What is the use of steel pipe welding barbs

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What is the use of steel pipe welding barbs

What is the use of steel pipe welding barbs

The function of welding chambered thorns on the pipe body is to prevent the entry of sand or other objects from blocking the grouting hole.

 

The steel flower pipe is a process method in the tunneling and construction process of the slope support management project. It is mainly used for the weak fracture zone, shallowly buried section, the biased section of the cave entrance, sand section, sand, and gravel section during the self-stabilization period. Prepaid protection for areas such as fault fracture zones.

 

The steel flower pipe is a very effective auxiliary construction method without chaotic excavation of the working face. In the construction of weak and broken rock formations, the leading small conduits can strengthen the loose rock formations. After grouting, the intactness of the loose and weak surrounding rocks is enhanced, which is beneficial to the construction of the surrounding rock after the completion of the excavation and during the initial support It will not be chaotic, and the surrounding rock will not lose stability or even collapse.