市政道路思维导图模板_ProcessOn思维导图、流程图

道路分类与分级

沥青路面

面层

类型

宋体;color:blue;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">热拌沥青宋体;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">（HMA）宋体;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">混合料面层

宋体;mso-bidi-font-family:宋体;color:blue;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">SMAfont-family:宋体;mso-bidi-font-family:宋体;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">（沥青玛蹄脂碎石混合料）

OGFC（大空隙开级配排水式沥青磨耗层）

AC（沥青混凝土）

冷拌

宋体;color:red;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">支路宋体;color:blue;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">及其以下宋体;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">道路的路面

温拌

宋体;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">与热拌沥青混合料的适用范围相同

宋体;color:blue;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">沥青贯入式宋体;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">面层

mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">次干路以下EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">道路面层使用

宋体;color:blue;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">沥青表面处宋体;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">治面层

宋体;color:blue;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">性能主要指标宋体;color:#00CCFF;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">（承平温、滑水声）

宋体;color:blue;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">上面（磨耗层）层采用OGFC沥青混合料，中面层、下（底）面层等采用密级配沥青混合料（如AC）

混凝土路面

垫层

类型

面层

混凝土类型

接缝

原材料选择

line-height:150%">（一）重交通以上等级道路、城市快速路、主干路应采用42.5级以上的道路硅酸盐水泥或硅酸盐水泥、普通硅酸盐水泥；其他道路可采用矿渣水泥，其强度等级不宜低于32.5级。不能采用粉煤灰水泥和火山水泥<o:p></o:p>line-height:150%">（二）粗集料宜使用人工级配，最大公称粒径，碎石不得大于31.5mm。 <o:p></o:p>line-height:150%">（三）海砂不得直接用于混凝土面层。淡化海砂不得用于城市快速路、主干路、次干路，可用于支路。

沥青混合料

宋体;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">分类

<div align="center"> <table class="MsoNormalTable" border="1" cellspacing="0" cellpadding="0" style="border-collapse:collapse;mso-table-layout-alt:fixed;border:none; mso-border-top-alt:solid black .5pt;mso-border-bottom-alt:solid black .5pt; mso-padding-alt:0cm 5.4pt 0cm 5.4pt;mso-border-insideh:.5pt solid black; mso-border-insidev:.5pt solid black"> <tbody><tr style="mso-yfti-irow:0;mso-yfti-firstrow:yes;height:4.5pt"> <td width="251" colspan="3" style="width:250.7pt;border:solid black 1.0pt; border-left:none;mso-border-top-alt:solid black .5pt;mso-border-bottom-alt: solid black .5pt;mso-border-right-alt:solid black .5pt;background:#33CCCC; padding:0cm 5.4pt 0cm 5.4pt;height:4.5pt"> 密级配（孔隙率＜10%）<o:p></o:p> </td> <td width="207" colspan="2" style="width:207.3pt;border:solid black 1.0pt; border-left:none;mso-border-left-alt:solid black .5pt;mso-border-alt:solid black .5pt; background:#33CCCC;padding:0cm 5.4pt 0cm 5.4pt;height:4.5pt"> 开级配（孔隙率＞15%）<o:p></o:p> </td> <td width="63" style="width:63.05pt;border-top:solid black 1.0pt;border-left: none;border-bottom:solid black 1.0pt;border-right:none;mso-border-left-alt: solid black .5pt;mso-border-top-alt:solid black .5pt;mso-border-left-alt: solid black .5pt;mso-border-bottom-alt:solid black .5pt;background:#33CCCC; padding:0cm 5.4pt 0cm 5.4pt;height:4.5pt"> 半开级配<o:p></o:p> </td> </tr> <tr style="mso-yfti-irow:1;height:16.9pt"> <td width="159" colspan="2" style="width:159.35pt;border-top:none;border-left: none;border-bottom:solid black 1.0pt;border-right:solid black 1.0pt; mso-border-top-alt:solid black .5pt;mso-border-top-alt:solid black .5pt; mso-border-bottom-alt:solid black .5pt;mso-border-right-alt:solid black .5pt; background:#FFFF99;padding:0cm 5.4pt 0cm 5.4pt;height:16.9pt"> 连续级配<o:p></o:p> </td> <td width="362" colspan="4" style="width:361.7pt;border:none;border-bottom:solid black 1.0pt; mso-border-top-alt:solid black .5pt;mso-border-left-alt:solid black .5pt; mso-border-top-alt:solid black .5pt;mso-border-left-alt:solid black .5pt; mso-border-bottom-alt:solid black .5pt;background:#FFFF99;padding:0cm 5.4pt 0cm 5.4pt; height:16.9pt"> 间断级配<o:p></o:p> </td> </tr> <tr> <td width="80" style="width:79.6pt;border-top:none;border-left:none;border-bottom: solid black 1.0pt;border-right:solid black 1.0pt;mso-border-top-alt:solid black .5pt; mso-border-top-alt:solid black .5pt;mso-border-bottom-alt:solid black .5pt; mso-border-right-alt:solid black .5pt;background:#CCFFCC;padding:0cm 5.4pt 0cm 5.4pt"> 沥青混凝土<o:p></o:p> (AC)<o:p></o:p> </td> <td width="80" style="width:79.75pt;border-top:none;border-left:none; border-bottom:solid black 1.0pt;border-right:solid black 1.0pt;mso-border-top-alt: solid black .5pt;mso-border-left-alt:solid black .5pt;mso-border-alt:solid black .5pt; background:#CCFFCC;padding:0cm 5.4pt 0cm 5.4pt"> 沥青稳定碎石<o:p></o:p> (ATB)<o:p></o:p> </td> <td width="91" style="width:91.35pt;border-top:none;border-left:none; border-bottom:solid black 1.0pt;border-right:solid black 1.0pt;mso-border-top-alt: solid black .5pt;mso-border-left-alt:solid black .5pt;mso-border-alt:solid black .5pt; background:#CCFFCC;padding:0cm 5.4pt 0cm 5.4pt"> 沥青玛蹄脂碎石<o:p></o:p> (SMA)<o:p></o:p> </td> <td width="97" style="width:96.6pt;border-top:none;border-left:none;border-bottom: solid black 1.0pt;border-right:solid black 1.0pt;mso-border-top-alt:solid black .5pt; mso-border-left-alt:solid black .5pt;mso-border-alt:solid black .5pt; background:#CCFFCC;padding:0cm 5.4pt 0cm 5.4pt"> 排水式沥青磨耗层<o:p></o:p> (OGFC)<o:p></o:p> </td> <td width="111" style="width:110.7pt;border-top:none;border-left:none; border-bottom:solid black 1.0pt;border-right:solid black 1.0pt;mso-border-top-alt: solid black .5pt;mso-border-left-alt:solid black .5pt;mso-border-alt:solid black .5pt; background:#CCFFCC;padding:0cm 5.4pt 0cm 5.4pt"> 排水式沥青碎石基层<o:p></o:p> </td> <td width="63" style="width:63.05pt;border:none;border-bottom:solid black 1.0pt; mso-border-top-alt:solid black .5pt;mso-border-left-alt:solid black .5pt; mso-border-top-alt:solid black .5pt;mso-border-left-alt:solid black .5pt; mso-border-bottom-alt:solid black .5pt;background:#CCFFCC;padding:0cm 5.4pt 0cm 5.4pt"> 沥青碎石<o:p></o:p> (AM)<o:p></o:p> </td> </tr> <tr style="mso-yfti-irow:3;mso-yfti-lastrow:yes;height:14.85pt"> <td width="159" colspan="2" style="width:159.35pt;border-top:none;border-left: none;border-bottom:solid black 1.0pt;border-right:solid black 1.0pt; mso-border-top-alt:solid black .5pt;mso-border-top-alt:solid black .5pt; mso-border-bottom-alt:solid black .5pt;mso-border-right-alt:solid black .5pt; background:#00B0F0;padding:0cm 5.4pt 0cm 5.4pt;height:14.85pt"> 悬浮—密实<o:p></o:p> </td> <td width="91" style="width:91.35pt;border-top:none;border-left:none; border-bottom:solid black 1.0pt;border-right:solid black 1.0pt;mso-border-top-alt: solid black .5pt;mso-border-left-alt:solid black .5pt;mso-border-alt:solid black .5pt; background:#FFD966;mso-background-themecolor:accent4;mso-background-themetint: 153;padding:0cm 5.4pt 0cm 5.4pt;height:14.85pt"> 骨架—密实<o:p></o:p> </td> <td width="270" colspan="3" style="width:270.35pt;border:none;border-bottom:solid black 1.0pt; mso-border-top-alt:solid black .5pt;mso-border-left-alt:solid black .5pt; mso-border-top-alt:solid black .5pt;mso-border-left-alt:solid black .5pt; mso-border-bottom-alt:solid black .5pt;background:#FF69F4;padding:0cm 5.4pt 0cm 5.4pt; height:14.85pt"> 骨架—空隙<o:p></o:p> </td> </tr></tbody></table> </div>

结构类型

EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">按嵌挤原则构成

沥青贯入式路面、沥青表面处治

EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">按密实级配原则构成

<div align="center"> <table class="MsoNormalTable" border="1" cellspacing="0" cellpadding="0" style="background:#CCFFFF;border-collapse:collapse;mso-table-layout-alt:fixed; border:none;mso-border-top-alt:solid windowtext .5pt;mso-border-bottom-alt: solid windowtext .5pt;mso-padding-alt:0cm 5.4pt 0cm 5.4pt;mso-border-insideh: .5pt solid windowtext;mso-border-insidev:.5pt solid windowtext"> <tbody><tr> <td width="94" valign="top" style="width:93.75pt;border:solid windowtext 1.0pt; border-left:none;mso-border-top-alt:solid windowtext .5pt;mso-border-bottom-alt: solid windowtext .5pt;mso-border-right-alt:solid windowtext .5pt;background: #F8F8F8;padding:0cm 5.4pt 0cm 5.4pt"> 0">结构组成形式<o:p></o:p> </td> <td width="55" valign="top" style="width:54.85pt;border:solid windowtext 1.0pt; border-left:none;mso-border-left-alt:solid windowtext .5pt;mso-border-alt: solid windowtext .5pt;background:#F8F8F8;padding:0cm 5.4pt 0cm 5.4pt"> 0">黏聚力c<o:p></o:p> </td> <td width="67" valign="top" style="width:67.2pt;border:solid windowtext 1.0pt; border-left:none;mso-border-left-alt:solid windowtext .5pt;mso-border-alt: solid windowtext .5pt;background:#F8F8F8;padding:0cm 5.4pt 0cm 5.4pt"> 0">内摩擦角φ<o:p></o:p> </td> <td width="69" valign="top" style="width:69.05pt;border:solid windowtext 1.0pt; border-left:none;mso-border-left-alt:solid windowtext .5pt;mso-border-alt: solid windowtext .5pt;background:#F8F8F8;padding:0cm 5.4pt 0cm 5.4pt"> 0">温度稳定性<o:p></o:p> </td> <td width="236" valign="top" style="width:236.2pt;border-top:solid windowtext 1.0pt; border-left:none;border-bottom:solid windowtext 1.0pt;border-right:none; mso-border-left-alt:solid windowtext .5pt;mso-border-top-alt:solid windowtext .5pt; mso-border-left-alt:solid windowtext .5pt;mso-border-bottom-alt:solid windowtext .5pt; background:#F8F8F8;padding:0cm 5.4pt 0cm 5.4pt"> 0">代表形式<o:p></o:p> </td> </tr> <tr> <td width="94" valign="top" style="width:93.75pt;border-top:none;border-left: none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt; mso-border-top-alt:solid windowtext .5pt;mso-border-top-alt:solid windowtext .5pt; mso-border-bottom-alt:solid windowtext .5pt;mso-border-right-alt:solid windowtext .5pt; background:#F8F8F8;padding:0cm 5.4pt 0cm 5.4pt"> 悬浮—密实结构<o:p></o:p> </td> <td width="55" valign="top" style="width:54.85pt;border-top:none;border-left: none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt; mso-border-alt:solid windowtext .5pt;background:#F8F8F8;padding:0cm 5.4pt 0cm 5.4pt"> 0">较大<o:p></o:p> </td> <td width="67" valign="top" style="width:67.2pt;border-top:none;border-left:none; border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt; mso-border-alt:solid windowtext .5pt;background:#F8F8F8;padding:0cm 5.4pt 0cm 5.4pt"> 0">较小<o:p></o:p> </td> <td width="69" valign="top" style="width:69.05pt;border-top:none;border-left: none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt; mso-border-alt:solid windowtext .5pt;background:#F8F8F8;padding:0cm 5.4pt 0cm 5.4pt"> 0">较差<o:p></o:p> </td> <td width="236" valign="top" style="width:236.2pt;border:none;border-bottom:solid windowtext 1.0pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt; mso-border-bottom-alt:solid windowtext .5pt;background:#F8F8F8;padding:0cm 5.4pt 0cm 5.4pt"> 0">AC沥青混合料<o:p></o:p> </td> </tr> <tr> <td width="94" valign="top" style="width:93.75pt;border-top:none;border-left: none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt; mso-border-top-alt:solid windowtext .5pt;mso-border-top-alt:solid windowtext .5pt; mso-border-bottom-alt:solid windowtext .5pt;mso-border-right-alt:solid windowtext .5pt; background:#F8F8F8;padding:0cm 5.4pt 0cm 5.4pt"> 骨架—空隙结构<o:p></o:p> </td> <td width="55" valign="top" style="width:54.85pt;border-top:none;border-left: none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt; mso-border-alt:solid windowtext .5pt;background:#F8F8F8;padding:0cm 5.4pt 0cm 5.4pt"> 0">较低<o:p></o:p> </td> <td width="67" valign="top" style="width:67.2pt;border-top:none;border-left:none; border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt; mso-border-alt:solid windowtext .5pt;background:#F8F8F8;padding:0cm 5.4pt 0cm 5.4pt"> 0">较高<o:p></o:p> </td> <td width="69" valign="top" style="width:69.05pt;border-top:none;border-left: none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt; mso-border-alt:solid windowtext .5pt;background:#F8F8F8;padding:0cm 5.4pt 0cm 5.4pt"> 0">——<o:p></o:p> </td> <td width="236" valign="top" style="width:236.2pt;border:none;border-bottom:solid windowtext 1.0pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt; mso-border-bottom-alt:solid windowtext .5pt;background:#F8F8F8;padding:0cm 5.4pt 0cm 5.4pt"> 0">AM沥青碎石混合料、OGFC排水沥青混合料<o:p></o:p> </td> </tr> <tr> <td width="94" valign="top" style="width:93.75pt;border-top:none;border-left: none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt; mso-border-top-alt:solid windowtext .5pt;mso-border-top-alt:solid windowtext .5pt; mso-border-bottom-alt:solid windowtext .5pt;mso-border-right-alt:solid windowtext .5pt; background:#F8F8F8;padding:0cm 5.4pt 0cm 5.4pt"> 骨架—密实结构<o:p></o:p> </td> <td width="55" valign="top" style="width:54.85pt;border-top:none;border-left: none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt; mso-border-alt:solid windowtext .5pt;background:#F8F8F8;padding:0cm 5.4pt 0cm 5.4pt"> 0">较高<o:p></o:p> </td> <td width="67" valign="top" style="width:67.2pt;border-top:none;border-left:none; border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt; mso-border-alt:solid windowtext .5pt;background:#F8F8F8;padding:0cm 5.4pt 0cm 5.4pt"> 0">较高<o:p></o:p> </td> <td width="69" valign="top" style="width:69.05pt;border-top:none;border-left: none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt; mso-border-alt:solid windowtext .5pt;background:#F8F8F8;padding:0cm 5.4pt 0cm 5.4pt"> 0">——<o:p></o:p> </td> <td width="236" valign="top" style="width:236.2pt;border:none;border-bottom:solid windowtext 1.0pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt; mso-border-bottom-alt:solid windowtext .5pt;background:#F8F8F8;padding:0cm 5.4pt 0cm 5.4pt"> 0">SMA沥青玛碲脂<o:p></o:p> </td> </tr></tbody></table> </div>

主要材料与性能

沥青

主要技术性能

黏度（稠度、反针入度）

感温性（软化点）

耐久性

宋体;color:red;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">薄膜烘箱加热试验宋体;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">，测老化后沥青的质量变化、残留针人度比、残留延度，宋体;color:blue;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">反映其抗老化性

宋体;color:red;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">水煮法试验宋体;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">，测定沥青和集料的黏附性，反映其抗水损害能力font-family:宋体;mso-bidi-font-family:宋体;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">，等级越高，黏附性越好

塑性

安全性

宋体;color:red;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">闪点试验宋体;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">测定沥青加热点闪火的温度——闪点，确定它的安全使用范围

细集料（天然砂）

矿粉

纤维稳定剂

挡土墙

土分类

EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">液性指数I1：土的天然含水量与塑限之差值对塑性指数之比值

路基

填料

不适宜用的填料

宋体;color:blue;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">性能主要指标

宋体;color:red;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">整体稳定性

宋体;color:red;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">变形量控制

施工

流程

准备工作

材料要求

填筑

宋体;color:blue;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">路基填土宽度宋体;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">应比设计宽度宽500mm

压实

通用要点

试验段

宋体;color:red;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">管顶以上500mmfont-family:宋体;mso-bidi-font-family:宋体;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">内不得使用压路机。宋体;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">管顶面至路床的覆土厚度不大于500mm时，应加固

宋体;color:#00CCFF;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">轻静低慢叠

小于4km/h

宋体;color:red;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">不小于12t

宋体;color:red;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">路两边向路中心宋体;color:#FFC000;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">（由低向高）,宋体;color:blue;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">无明显轮迹为止

安全距离

填土路基

宋体;color:#00CCFF;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">除水、杂→修台→分压→碾重→管顶→终填

挖土路基

宋体;color:#00CCFF;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">除水、杂→分挖→留量→不超→低高压

压实度测定

雨期施工

通用要求

填土路基

挖土路基

冬季施工

不良土质处理

软土

宋体;color:red;background:#D9D9D9;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">表层处理法、换填法、重压法、垂直排水固结法

置换土（最快最贵）、抛石挤淤、砂垫层置换、反压护道、砂桩、粉喷桩、塑料排水板（比粉喷桩慢）及土工织物等处理措施

湿陷性土

宋体;color:red;background:#D9D9D9;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">换土法、强夯法、挤密法、预浸法、化学加固法

湿涨性土

宋体;color:blue;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">用宋体;color:red;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">灰土桩、水泥桩宋体;color:blue;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">或用其他宋体;color:red;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">无机结合料宋体;color:blue;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">对膨胀土路基宋体;color:red;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">加固和改良宋体;color:blue;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">；宋体;color:red;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">换填或堆载预压宋体;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">。宋体;mso-bidi-font-family:宋体;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA">防水和保湿，EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">采用不透水的面层结构，在路基中设不透水层，裸露的边坡植草

冻土

宋体;color:#00CCFF;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">提高基面、增加防冻层厚度、选抗冻材料、选隔温材料

地下水位高

宋体;color:#00CCFF;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">提高基面、选粗粒土、泥灰稳定、设沟排水

基层

通用

选择方法

line-height:150%">background:#D9D9D9">特重交通150%;background:#D9D9D9">宜选用贫混凝土、碾压混凝土（都属于水泥混凝土）或沥青混凝土(AC)；<o:p></o:p>line-height:150%">background:#D9D9D9">重交通道150%;background:#D9D9D9">路宜选用水泥稳定粒料或沥青稳定碎石（AM）；<o:p></o:p>line-height:150%">background:#D9D9D9">中、轻交通道路line-height:150%;background:#D9D9D9">宜选择水泥或石灰粉煤灰稳定粒料或级配粒料。<o:p></o:p>line-height:150%">background:#D9D9D9">湿润和多雨地区line-height:150%;background:#D9D9D9">，繁重交通路段宜采用排水基层line-height:150%;background:#D9D9D9">。

材料

宋体;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">无机结合料稳定粒料（半刚性）

宋体;color:red;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">石灰稳定土宋体;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">类基层

mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">水稳性、抗冻性以及早期强度不如水泥稳定土mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">（除了价格，水泥稳定土完胜）

宋体;color:fuchsia;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">干缩宋体;color:blue;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">和宋体;color:fuchsia;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">温缩宋体;color:blue;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">特性十分明显mso-bidi-font-family:宋体;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA">，且都会导致裂缝。宋体;color:fuchsia;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">严格禁止宋体;mso-bidi-font-family:宋体;color:red;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">用于高等级路面的基层，只能用作高级路面的底基层EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">。

宋体;color:red;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">水泥稳定土宋体;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">类基层

特点

宋体;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">在暴露条件下容易干缩，低温时会冷缩，而导致裂缝

分类

水泥稳定细粒土（简称水泥土，狭义土）

完败水泥稳定粒料，mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">只用作高级路面的底基层

应采用初凝时间应大于3h，终凝时间不小于6h的42.5级及以上普通硅酸盐水泥，32.5级及以上矿渣硅酸盐水泥、火山灰硅酸盐水泥。

水泥稳定粒料（巨粒土）

石灰工业废渣稳定土

宋体;color:red;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">石灰粉煤灰稳定砂砾宋体;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">基层

宋体;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">有明显的收缩特性，但小于水泥土和石灰土，也被宋体;mso-bidi-font-family:宋体;color:blue;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">禁止用于高等级路面的font-family:宋体;mso-bidi-font-family:宋体;color:red;mso-ansi-language:EN-US; mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">基层EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">，而只能做底基层EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">。二灰稳定粒料可用于高等级路面的基层与底基层

宋体;color:red;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">石灰粉煤灰钢渣稳定土mso-bidi-font-family:宋体;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA">类基层

宋体;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">嵌锁型和级配型材料（柔性）

宋体;color:blue;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">级配砂砾宋体;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">及级配砾石

施工

a拌合

原材料应进行检验

厂拌方式，强制式、间歇式拌合机

运输

出厂时混合料含水量宜略大于最佳含水量

及时运到现场

水泥稳定土材料自搅拌至摊铺完成，不应超过3h

采取防止水分蒸发和防扬尘措施

摊铺

宋体;color:blue;background:#D9D9D9;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">宜在春末和气温较高季节（如夏季）施工，施工最低日气温为background:#D9D9D9;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA">5宋体;mso-bidi-font-family:宋体;color:red;background:#D9D9D9;mso-ansi-language:EN-US; mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">℃

摊铺时路床应湿润

宋体;color:blue;background:#D9D9D9;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">雨期施工应防止石灰、水泥和混合料淋雨background:#D9D9D9;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA">；降雨时应停止施工，已摊铺的应尽快碾压密实。

水泥土宋体;color:blue;background:#D9D9D9;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">分层摊铺时，应在font-family:宋体;mso-bidi-font-family:宋体;color:red;background:#D9D9D9;mso-ansi-language: EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">下层保湿养护7dmso-bidi-font-family:宋体;color:blue;background:#D9D9D9;mso-ansi-language:EN-US; mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">后，方可摊铺上层材料

完工时间

水泥稳定土基层自拌合至摊铺完成，不得超过3h，宜在水泥初凝时间到达前碾压成活

宋体;color:#FFC000;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">石灰稳定土、二灰稳定砂砾基层（都有石灰）在冬季到来30-45天前完成

宋体;color:#FFC000;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">水泥稳定土基层在冬季到来宋体;color:#FFC000;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">10-15天前完成

压实

宋体;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">压实系数(松铺系数)应经试验（不能按经验）确定

碾压成活时间

宋体;color:blue;background:#D9D9D9;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">石灰稳定土应当天碾压成活，碾压时的含水量宜在最佳含水量的background:#D9D9D9;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA">±2%范围background:#D9D9D9;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA">内

宋体;color:blue;background:#D9D9D9;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">水泥稳定土宜在水泥font-family:宋体;mso-bidi-font-family:宋体;color:red;background:#D9D9D9;mso-ansi-language: EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">初凝前background:#D9D9D9;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA">碾压成活

方向

宋体;color:blue;background:#D9D9D9;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">直线和不设超高的平曲线段，应由11.0pt;font-family:宋体;mso-bidi-font-family:宋体;color:red;background:#D9D9D9; mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">两侧向中心background:#D9D9D9;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA">碾压；设超高的平曲线段，应font-family:宋体;mso-bidi-font-family:宋体;color:red;background:#D9D9D9;mso-ansi-language: EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">由内向外background:#D9D9D9;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA">碾压

厚度

background:#D9D9D9;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA">二灰稳定砂砾基层每层宋体;mso-bidi-font-family:宋体;color:red;background:#D9D9D9;mso-ansi-language:EN-US; mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">最大压实厚度为200mm，且不宜小于100mm

机具

先轻型、后重型压路机

养护

宋体;color:blue;background:#D9D9D9;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">洒水（或覆盖）养护，保持湿润

二灰稳定砂砾基层、柔性基层可采用沥青乳液和沥青下封层进行养护

时间

半刚性基层不少于7d

柔性基层7-14d

宋体;color:blue;background:#D9D9D9;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">封闭交通

雨期施工

1．对稳定类材料基层，应坚持拌多少、铺多少、压多少、完成多少。（拌铺压完）<o:p></o:p>2．下雨来不及完成时，要尽快碾压，防止雨水渗透。<o:p></o:p>3．降雨时应停止施工，已摊铺的水泥混合料应尽快碾压密实。

冬期施工

质检项目

无机结合料基层质检项目主要有：集料级配，混合料配合比、含水量、拌合均匀性，基层压实度、7d无侧限抗压强度

土工合成材料

作用

mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">加筋、防护、过滤、排水、隔离

应用

沥青路面

宋体;color:blue;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">性能主要指标

宋体;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">满足结构强度、扩散荷载的能力以及水稳性和抗冻性的要求

mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">不透水性好

混凝土路面

作用

background:#D9D9D9;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA">防止或减轻宋体;mso-bidi-font-family:宋体;color:blue;background:#D9D9D9;mso-ansi-language: EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">由于唧泥产生background:#D9D9D9;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA">板底脱空和错台font-family:宋体;mso-bidi-font-family:宋体;color:blue;background:#D9D9D9; mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">等病害

宋体;color:red;background:#D9D9D9;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">控制或减少font-family:宋体;mso-bidi-font-family:宋体;color:blue;background:#D9D9D9; mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">路基不均匀background:#D9D9D9;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA">冻胀或体积变形font-family:宋体;mso-bidi-font-family:宋体;color:blue;background:#D9D9D9; mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">对混凝土面层产生的不利影响

宋体;color:blue;background:#D9D9D9;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">为混凝土面层施工color:red;background:#D9D9D9;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA">提供宋体;mso-bidi-font-family:宋体;color:blue;background:#D9D9D9;mso-ansi-language: EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">稳定而坚实的background:#D9D9D9;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA">工作面

宋体;color:red;background:#D9D9D9;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">改善font-family:宋体;mso-bidi-font-family:宋体;color:blue;background:#D9D9D9; mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">接缝的background:#D9D9D9;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA">传荷能力

要求

<div id="mind-topic-tags"><div id="mind-topic-tags" style="color: rgb(51, 51, 51); font-family: 'Helvetica Neue', Helvetica, 'Microsoft Yahei', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', sans-serif; font-size: 12px;">比面层每侧至少宽出300mm（小型机具施工时）或500mm（轨模）或650mm（滑模）</div></div>

不同道路等级对应的基层选用

line-height:150%">background:#D9D9D9">特重交通150%;background:#D9D9D9">宜选用贫混凝土、碾压混凝土（都属于水泥混凝土）或沥青混凝土(AC)；<o:p></o:p>line-height:150%">background:#D9D9D9">重交通道150%;background:#D9D9D9">路宜选用水泥稳定粒料或沥青稳定碎石（AM）；<o:p></o:p>line-height:150%">background:#D9D9D9">中、轻交通道路line-height:150%;background:#D9D9D9">宜选择水泥或石灰粉煤灰稳定粒料或级配粒料。<o:p></o:p>line-height:150%">background:#D9D9D9">湿润和多雨地区line-height:150%;background:#D9D9D9">，繁重交通路段宜采用排水基层line-height:150%;background:#D9D9D9">。

面层

施工

结构

透层

宋体;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">使沥青混合料面层与非沥青材料基层结合良好

粘层

宋体;color:blue;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">加强路面沥青层之间，沥青层与水泥混凝土路面之间的粘结

封层

上封层

宋体;color:#00CCFF;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">封闭面层，防止雨水渗透

下封层

宋体;color:#00CCFF;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA">封闭底基层或基层，防止养护期间水分蒸发及后期雨水渗透

运输

运料车车厢板，装料前应喷洒一薄层隔离剂或防粘结剂

篷布覆盖保温、防雨和防污染

运料车轮胎上不得沾有泥土等可能污染路面的脏物

EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">高等级道路，开始摊铺前等候的运料车宜在5辆以上

摊铺

机械施工

EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">运料车应在摊铺机前100～300mm外空挡等候

宋体;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">摊铺机在开始受料前应在受料斗应涂刷薄层隔离剂或防粘结剂

宋体;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">每台摊铺机的铺筑宽度不宜超过6mEN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">，前后错开10～20m呈梯队方式同步摊铺，两幅之间应有30～60mm左右宽度的搭接，并应避开车道轮迹带，上下层搭接位置宜错开200mm以上。

宋体;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">摊铺机开工前应提前0.5～1h预热熨平板使其不低于100℃

宋体;color:blue;background:#D9D9D9;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">摊铺机必须font-family:宋体;mso-bidi-font-family:宋体;color:red;background:#D9D9D9;mso-ansi-language: EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">缓慢、均匀、连续不间断background:#D9D9D9;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA">地摊铺font-family:宋体;mso-bidi-font-family:宋体;color:blue;background:#D9D9D9; mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">，宋体;color:blue;background:#D9D9D9;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">速度11.0pt;font-family:宋体;mso-bidi-font-family:宋体;color:red;background:#D9D9D9; mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">2background:#D9D9D9;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA">～6m/min

自动找平

热拌沥青混合料的最低摊铺温度根据铺筑层厚度、气温、风速及下卧层表面温度。

人工施工

半幅施工时，路中一侧宜预先设置挡板

摊铺时应扣锹布料，不得扬锹远甩

边摊铺边整平，严防集料离析

摊铺不得中途停顿，并尽快碾压

低温施工时，卸下的沥青混合料应覆盖篷布保温

冬季施工

压实

压实层最大厚度宜≤100mm

碾压温度应根据沥青和沥青混合料种类、压路机、气温、层厚等因素经试压确定

方向

宋体;color:blue;background:#D9D9D9;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">直线和不设超高的平曲线段，应由11.0pt;font-family:宋体;mso-bidi-font-family:宋体;color:red;background:#D9D9D9; mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">两侧向中心background:#D9D9D9;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA">碾压；设超高的平曲线段，应font-family:宋体;mso-bidi-font-family:宋体;color:red;background:#D9D9D9;mso-ansi-language: EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">由内向外background:#D9D9D9;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA">碾压

顺序

初压

宜采用钢轮压路机静压1～2遍

复压

应紧跟在初压后开始，不得随意停顿

重型轮胎压路机

密级配沥青混合料

子主题

相邻碾压带应重叠1/3～1/2轮宽

振动压路机

粗集料为主的混合料

层厚较大时宜采用高频大振幅，厚度较薄时宜采用低振幅

相邻碾压带宜重叠100～200mm

三轮钢筒式压路机

总质量不小于12t

相邻碾压带宜重叠后轮的1/2轮宽，并不应小于200mm

终压

应紧接在复压后进行

双轮钢筒式压路机或关闭振动的振动压路机

碾压不宜少于2遍，至无明显轮迹为止

长度

碾压路段总长度≤80m。

压路机钢轮可涂刷隔离剂或防粘结剂，严禁刷柴油。亦可向碾轮喷淋添加少量表面活性剂的雾状水

压路机不得在未碾压成型路段上转向、掉头、加水或停留。宋体;background:#D9D9D9;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA">当天成型的路面上，不得停放各种机械设备或车辆，不得散落矿料、油料及杂物

接缝

紧密、平顺，3m直尺检查

上、下层的纵缝应错开150mm（热接缝）或300～400mm（冷接缝）以上

相邻两幅及上、下层的横向接缝均应错位1m以上

高等级道路的表面层横向接缝应采用垂直的平接缝，以下各层和其他等级的道路的各层可采用斜接缝

开放交通

摊铺层自然降温至表面温度低于50℃（背）后

雨期施工

沥青

不允许下雨时或下层潮湿时施工。做到及时摊铺、及时完成碾压

混凝土

作业工序要紧密衔接，及时浇筑、振动、抹面成型、养生。

冬季施工

沥青

line-height:150%">1line-height:150%;color:blue;background:#D9D9D9">．城市快速路、主干路的沥青混合料面层在低于5℃时严禁冬期施工。次干路及其以下道路在施工温度低于5℃时，应停止施工；（应停止非禁止，必须施工时，要采取措施，砼面层同理）mso-highlight:silver"><o:p></o:p>line-height:150%">background:#D9D9D9">2background:#D9D9D9">．粘层、透层、封层严禁冬期施工。

混凝土

line-height:150%">background:#D9D9D9">1background:#D9D9D9">．摊铺混凝土温度不应低于5℃。（环境）mso-highlight:silver"><o:p></o:p>line-height:150%">2150%;background:#D9D9D9">．当连续5昼夜平均气温低于-5℃，或最低气温低于-15℃时，宜停止施工。（环境）line-height:150%;background:silver;mso-highlight:silver"><o:p></o:p>line-height:150%">background:#D9D9D9">3background:#D9D9D9">．混凝土拌合料温度应不高于35℃。拌合物中不得使用带有冰雪的砂、石料，可加防冻剂、早强剂，搅拌时间适当延长。11.0pt;line-height:150%;color:#00CCFF">（原料）<o:p></o:p>line-height:150%">background:#D9D9D9">5background:#D9D9D9">．摊铺混凝土时气温不低于5℃。（line-height:150%;color:#00CCFF">基层）<o:p></o:p>line-height:150%">background:#D9D9D9">6background:#D9D9D9">．尽量缩短各工序时间，快速施工。成形后，及时覆盖保温层，减缓热量损失，使混凝土的强度在其温度降到0℃前达到设计强度。line-height:150%;color:#00CCFF">（工序）<o:p></o:p>line-height:150%">7150%;background:#D9D9D9">．养护时间不少于28d。（养护）

高温期施工

混凝土