内衬管道环刚度怎么计算？-倚通科技

企业简介管道修复管道检测产品中心经典案例倚通资讯学术交流联系倚通

内衬管道环刚度怎么计算？

2023-05-24

答：根据 CJJ 143-2010（埋地塑料排水管道施工技术规范）关于内衬管道环刚度的计算公式 S=E*I/D3，主要影响因素有三个，一是管道材料的弹性模量 E，这与管道材质有关，二是管壁的截面惯性矩 I，这与管壁的截面形状有关，三是管道的直径 D。螺旋缠绕技术中专用型材和钢带截面惯性矩很大，因而可以产生很高的环刚度，这也是强度远高于 CIPP 的重要原因之一。就像 10mm 厚的钢板和 10mm 厚的槽钢，其强度的差距的显然易见的。

热点话题

施工案例

1、古运河沿岸管道非开挖修复项目

2、七莘路丰虹路西侧DN2000管道

3、二污干管钱江路修复项目

4、天津港南疆石化小区管网

5、黄江镇主干网 DN1500塌陷修复工程

6、DN800---DN1800排水管道修工程

7、DN800-1650排水管道修工程

8、十里河南路- dn2200污水管网

常见问题

1、设计和验收的依据有吗？

2、内衬管道环刚度怎么计算？

3、管道环刚度能达到多少？与 CIPP 相比如何？

4、内衬管道的接缝处会不会漏水？

5、带水作业可以满水施工吗？

6、修复后内径是多大？会影响过流能力吗？

7、材料的厚度多少？

8、原管道有局部变形怎么办？

9、需要局部开挖工作坑吗？对检查井有特殊要求吗？

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