Self Drilling Hollow Bar:A Perfect Solution to Hole Collapsing When Supporting Loose & Broken Geology
Time:2022-01-06From:sinorock View:
In some construction projects, the geological conditions are not very suitable for drilling construction. However, if you want to reinforce the foundations of these buildings, we usually use pile to support. Pile support generally requires drilling. Then, the difficulty of drilling holes in construction is a very difficult problem.When using ordinary hollow anchor rods for construction, it is usually necessary to drill with a drill rod first, then pull out the drill rod, insert the hollow anchor rod, and then grout through the hollow bar. Hole collapsing is very common in construction in relatively loose and broken geological structures that are severely affected by groundwater. The construction process of ordinary hollow anchor bars simply cannot be carried out in this kind of geology.



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