波纹管涵在冬天安装注意事项有哪些?

竹月坊小鱼 2024-03-21 12:10:15

波纹管涵百科

钢波纹涵管也叫波纹管涵,是指铺埋在公路、铁路路下的涵洞用的螺纹波纹管,它是由波形钢板卷制成或用波形钢片组拼成的圆形钢结构管。 金属波纹管 涵的波纹结构可使涵洞路面受力合理,荷载分布均匀,并具有一定的抗变形能力,能解决北方寒冷地区(霜冻)对桥梁和管涵砼结构的破坏问题;使路表面没有伸缩缝,提高行车舒适性;有利于改善软土地基结构与路堤交界处的“错台”现象,提高行车安全性。波纹管涵的工后营运、养护成本低,工程实际造价也低于同类跨径的桥梁、涵洞。钢波纹涵管进出口也可按照边坡比例做成斜口,加工波纹管管径范围0.5~8 m,管壁厚度为3 mm~7 mm,能够满足填土0.5 ~40 m厚的需要。

Steel corrugated culvert pipe, also known as corrugated pipe culvert, refers to the threaded corrugated pipe used for culverts buried under highways and railways. It is a circular steel structural pipe made of corrugated steel plates or assembled with corrugated steel sheets. cqtjrf.cn.The corrugated structure of metal corrugated pipe culverts can make the road surface of the culvert stress reasonable, load distribution uniform, and have a certain degree of deformation resistance, which can solve the problem of damage to the concrete structure of bridges and pipe culverts in cold northern regions (frost); Make the road surface without expansion joints to improve driving comfort; cqdidi.cn.Beneficial for improving the "staggered platform" phenomenon at the junction of soft soil foundation structure and embankment, and enhancing driving safety. The post construction operation and maintenance costs of corrugated pipe culverts are low, and the actual engineering cost is also lower than that of bridges and culverts with similar spans. cqjngd.com.The inlet and outlet of steel corrugated culvert pipes can also be made into inclined openings according to the slope ratio. The diameter range of processed corrugated pipes is 0.5-8m, and the wall thickness is 3-7mm, which can meet the needs of filling soil with a thickness of 0.5-40m.

在冬天安装波纹管涵时,有几个关键的注意事项需要特别关注,今天就由小编江能管道与大家一起来分享一下吧!

环境温度与焊接要求:在冬季进行焊接时,环境温度不应低于-20℃。此外,为了防止焊件因温差过大而产生问题,应采取防雪和防风等措施。焊接完成后,严禁接头立即与冰雪接触,以防接头受损。

混凝土施工与运输:冬季搅拌混凝土时,应严格控制其掺料比和坍落度,确保骨料中不含有冰雪和冻团块。在搅拌前,应使用热水或蒸汽清洗混合器或滚筒。混凝土的出机温度不宜低于10℃,同时,其运输设备应有保温措施,以最大限度地缩短运输时间,确保混凝土在运输过程中不会受冻。模具温度也应保持在5℃以上。

浇筑与养护:混凝土浇筑应选择在晴天进行,并确保在冷却前完成。浇筑完成后,应进行适当的保温和维护,确保在混凝土强度达到设计要求之前不会被冻结。

连接与防雨措施:在安装过程中,连接金属波纹涵洞时,应设置临时雨棚,防止雨水侵蚀,确保波纹管涵的完整性和稳定性。

电源与机电设备保护:特别注意电源线的保护,现场机电设备的电气门箱应遮盖防潮,电线应绝缘良好,防止漏电和触电事故的发生。

总的来说,冬季安装波纹管涵时,需要特别关注环境温度、混凝土施工与运输、浇筑与养护、连接与防雨措施以及电源与机电设备的保护等方面,以确保安装过程的顺利进行和波纹管涵的长期稳定性。

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