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管道工程

2016-08-30 22:57:05   0  举报

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AI智能生成

管道工程是涉及设计、制造、安装和维护用于输送液体和气体的管道系统的工程领域。这些管道可以用于供水、排水、石油和天然气输送等各种应用。管道工程的目标是确保管道的安全、高效和经济运行。这包括选择合适的材料和设计，以满足特定的流量、压力和温度要求，以及遵守相关的建筑和安全法规。管道工程师还需要考虑地形、地质条件和环境影响，以确定最佳的管道路线和安装方法。此外，他们还需要定期进行维护和检查，以防止泄漏和其他问题的发生。

模版推荐

作者其他创作

大纲/内容

开槽管道

施工方案

开挖支护

槽底地基处理

不开槽管道

<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 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 style="mso-yfti-irow:0;mso-yfti-firstrow:yes;height:22.1pt"> <td width="76" style="width:75.9pt;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;padding:0cm 5.4pt 0cm 5.4pt; height:22.1pt"> 施工工法<o:p></o:p> </td> <td width="81" style="width:80.7pt;border:solid windowtext 1.0pt;border-left: none;mso-border-left-alt:solid windowtext .5pt;mso-border-alt:solid windowtext .5pt; padding:0cm 5.4pt 0cm 5.4pt;height:22.1pt"> 密闭式顶管<o:p></o:p> </td> <td width="84" style="width:83.5pt;border:solid windowtext 1.0pt;border-left: none;mso-border-left-alt:solid windowtext .5pt;mso-border-alt:solid windowtext .5pt; padding:0cm 5.4pt 0cm 5.4pt;height:22.1pt"> 浅埋暗挖<o:p></o:p> </td> <td width="93" style="width:92.75pt;border:solid windowtext 1.0pt;border-left: none;mso-border-left-alt:solid windowtext .5pt;mso-border-alt:solid windowtext .5pt; padding:0cm 5.4pt 0cm 5.4pt;height:22.1pt"> 盾构<o:p></o:p> </td> <td width="88" style="width:88.4pt;border:solid windowtext 1.0pt;border-left: none;mso-border-left-alt:solid windowtext .5pt;mso-border-alt:solid windowtext .5pt; padding:0cm 5.4pt 0cm 5.4pt;height:22.1pt"> 定向钻<o:p></o:p> </td> <td width="100" style="width:99.8pt;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; padding:0cm 5.4pt 0cm 5.4pt;height:22.1pt"> 夯管<o:p></o:p> </td> </tr> <tr style="mso-yfti-irow:1;height:9.1pt"> <td width="76" style="width:75.9pt;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;padding: 0cm 5.4pt 0cm 5.4pt;height:9.1pt"> 施工距离<o:p></o:p> </td> <td width="81" style="width:80.7pt;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;padding:0cm 5.4pt 0cm 5.4pt;height:9.1pt"> 较长<o:p></o:p> </td> <td width="84" style="width:83.5pt;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;padding:0cm 5.4pt 0cm 5.4pt;height:9.1pt"> 较长<o:p></o:p> </td> <td width="93" style="width:92.75pt;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-left-alt:solid windowtext .5pt; mso-border-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt;height:9.1pt"> 长<o:p></o:p> </td> <td width="88" style="width:88.4pt;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;padding:0cm 5.4pt 0cm 5.4pt;height:9.1pt"> 较短<o:p></o:p> </td> <td width="100" style="width:99.8pt;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;padding:0cm 5.4pt 0cm 5.4pt; height:9.1pt"> 短<o:p></o:p> </td> </tr> <tr> <td width="76" style="width:75.9pt;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;padding: 0cm 5.4pt 0cm 5.4pt"> 速度<o:p></o:p> </td> <td width="81" style="width:80.7pt;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:#FF99CC;padding:0cm 5.4pt 0cm 5.4pt"> ——<o:p></o:p> </td> <td width="84" style="width:83.5pt;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;padding:0cm 5.4pt 0cm 5.4pt"> 慢<o:p></o:p> </td> <td width="93" style="width:92.75pt;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-left-alt:solid windowtext .5pt; mso-border-alt:solid windowtext .5pt;background:#99CCFF;padding:0cm 5.4pt 0cm 5.4pt"> 快<o:p></o:p> </td> <td width="88" style="width:88.4pt;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:#99CCFF;padding:0cm 5.4pt 0cm 5.4pt"> 快<o:p></o:p> </td> <td width="100" style="width:99.8pt;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:#99CCFF;padding:0cm 5.4pt 0cm 5.4pt"> 快<o:p></o:p> </td> </tr> <tr> <td width="76" style="width:75.9pt;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;padding: 0cm 5.4pt 0cm 5.4pt"> 适用范围<o:p></o:p> </td> <td width="81" style="width:80.7pt;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:#CCFFFF;padding:0cm 5.4pt 0cm 5.4pt"> 综合管道<o:p></o:p> （多）<o:p></o:p> </td> <td width="84" style="width:83.5pt;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:#CCFFFF;padding:0cm 5.4pt 0cm 5.4pt"> 综合管道<o:p></o:p> （多）<o:p></o:p> </td> <td width="93" style="width:92.75pt;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-left-alt:solid windowtext .5pt; mso-border-alt:solid windowtext .5pt;background:#CCFFFF;padding:0cm 5.4pt 0cm 5.4pt"> 综合管道<o:p></o:p> （多）<o:p></o:p> </td> <td width="88" style="width:88.4pt;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;padding:0cm 5.4pt 0cm 5.4pt"> 给水管道<o:p></o:p> （少）<o:p></o:p> </td> <td width="100" style="width:99.8pt;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;padding:0cm 5.4pt 0cm 5.4pt"> 给水排水管道<o:p></o:p> （较多）<o:p></o:p> </td> </tr> <tr> <td width="76" style="width:75.9pt;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;padding: 0cm 5.4pt 0cm 5.4pt"> 精度<o:p></o:p> </td> <td width="81" style="width:80.7pt;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;padding:0cm 5.4pt 0cm 5.4pt"> 小于±50mm（高）<o:p></o:p> </td> <td width="84" style="width:83.5pt;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;padding:0cm 5.4pt 0cm 5.4pt"> ≤±30mm<o:p></o:p> （高）<o:p></o:p> </td> <td width="93" style="width:92.75pt;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-left-alt:solid windowtext .5pt; mso-border-alt:solid windowtext .5pt;background:#FFFF99;padding:0cm 5.4pt 0cm 5.4pt"> 不可控<o:p></o:p> （差）<o:p></o:p> </td> <td width="88" style="width:88.4pt;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;padding:0cm 5.4pt 0cm 5.4pt"> ≤0.5倍管道内径（低）<o:p></o:p> </td> <td width="100" style="width:99.8pt;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:#FFFF99;padding:0cm 5.4pt 0cm 5.4pt"> 不可控<o:p></o:p> （差）<o:p></o:p> </td> </tr> <tr> <td width="76" style="width:75.9pt;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;padding: 0cm 5.4pt 0cm 5.4pt"> 适用地质条件<o:p></o:p> </td> <td width="81" style="width:80.7pt;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:#CCFFFF;padding:0cm 5.4pt 0cm 5.4pt"> 各种土层<o:p></o:p> </td> <td width="84" style="width:83.5pt;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:#CCFFFF;padding:0cm 5.4pt 0cm 5.4pt"> 各种土层<o:p></o:p> </td> <td width="93" style="width:92.75pt;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-left-alt:solid windowtext .5pt; mso-border-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt"> 除硬岩外的相对均质地层<o:p></o:p> </td> <td width="88" style="width:88.4pt;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;padding:0cm 5.4pt 0cm 5.4pt"> 砂卵石及含水地层不适用<o:p></o:p> </td> <td width="100" style="width:99.8pt;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;padding:0cm 5.4pt 0cm 5.4pt"> 含水地层不适用，<o:p></o:p> 砂卵石地层困难<o:p></o:p> </td> </tr> <tr> <td width="76" style="width:75.9pt;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;padding: 0cm 5.4pt 0cm 5.4pt"> 成本<o:p></o:p> </td> <td width="81" style="width:80.7pt;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:#CCFFFF;padding:0cm 5.4pt 0cm 5.4pt"> 高<o:p></o:p> </td> <td width="84" style="width:83.5pt;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:#CCFFFF;padding:0cm 5.4pt 0cm 5.4pt"> 高<o:p></o:p> </td> <td width="93" style="width:92.75pt;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-left-alt:solid windowtext .5pt; mso-border-alt:solid windowtext .5pt;background:#CCFFFF;padding:0cm 5.4pt 0cm 5.4pt"> 高<o:p></o:p> </td> <td width="88" style="width:88.4pt;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:#FF99CC;padding:0cm 5.4pt 0cm 5.4pt"> ——<o:p></o:p> </td> <td width="100" style="width:99.8pt;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;padding:0cm 5.4pt 0cm 5.4pt"> 较低<o:p></o:p> </td> </tr></tbody></table> </div>

给排水管道

功能性试验

压力管道

水压试验

试验阶段

预试验

30min

主试验

15min+30min

合格标准

允许压力降值

允许渗水量值

试验长度

水压试验的管段长度宜≤1.0km

无压管道

严密性试验

闭水试验

准备工作

（1）管道及检查井外观质量已验收合格；<o:p></o:p>（2）管道未回填土且沟槽内无积水；<o:p></o:p>（3）全部预留孔应封堵，不得渗水；<o:p></o:p>（4）管道两端堵板承载力经核算应大于水压力的合力；除预留进出水管外，应封堵坚固，不得渗水；

水头要求

观测时间

闭气试验

（1）混凝土类的无压管道在回填土前进行的严密性试验。<o:p></o:p>（2）地下水位应低于管外底150mm，环境温度为-15～50℃。<o:p></o:p>（3）下雨时不得进行闭气试验。

给水管道

冲洗消毒

柔性管道回填

燃气管道

分类

安装要求

附属设备

功能性试验

管道吹扫

每次吹扫管道长度不宜超过500m，管道超过500m时宜分段吹扫

强度试验

空气

设计压力≤0.8Mpa

除聚乙烯管外，试验压力为设计输气压力的1.5倍，但不得低于0.4MPa

稳压1h，肥皂水

水

试验压力不得低于1.5倍设计压力。试压宜在环境温度5℃以上

50%+1h+30min

严密性试验

空气

稳压的持续时间应为24h，每小时记录不应少于1次，修正压力降≤133Pa为合格

管道维修

供热管

分类

焊接

施工单位要求

（1）有负责焊接工艺的焊接技术人员、检查人员和检验人员；<o:p></o:p>（2）有符合焊接工艺要求的焊接设备且性能稳定可靠；<o:p></o:p>（3）有精度等级符合要求、灵敏度可靠的焊接检测设备；<o:p></o:p>（4）有保证焊接工程质量达到标准的措施。

施工人员要求

承担燃气钢质管道、设备焊接的人员，必须具有焊工合格证书，且在证书的有效期及合格范围内从事焊接工作。间断焊接时间超过6个月，再次上岗前应重新考试

质量控制

质量检验

顺序

焊工焊缝检查

要求100%无损探伤检验的焊缝

（1）  钢管与设备、管件连接处<o:p></o:p>（2）  管线折点处现场焊接的焊缝<o:p></o:p>（3）  焊缝返修后应进行表面质量及100%的无损探伤检验，其检验数量不计在规定检验数中；<o:p></o:p>（4）  现场制作的各种管件

施工

要求

管道沟槽到底后，地基应由施工、监理、建设、勘察和设计等单位共同验收

管道安装前，应完成支、吊架的安装及防腐处理