2017年09月14日

Grouting hollow bar

The self drilling hollow anchor bar is a new type anchor bolt which combines the function of the anchor bar and the grouting pipe. It is full of grouting, but also pressure grouting, to avoid the mortar loose caused by the pulling out of grouting pipe during construction. And because of the role of the accessories, the centered performance of anchor bars are good, which can be wrapped in full length to improve the quality of the project for solving many traditional problems in the anchoring system, which applied to the anti-floating of underground engineering, and it can better solve the other forms of anti-floating anchor rods in the soil, especially in the silt and muddy soil layer drilling easily caused by the collapse and necking problems, with a high promotional value.

In order to solve the problems of steep— inclined limestone,poor self support capability of weak and soft shale and difficulties in the control of the rock mass deformation in the construction of the underground powerplant of Pengshui hydropower station,the new technology of expansion and prestressed type hollow grouting bolt with steel wedge is adopted to reinforce the shallow— covered rock mass.The anchor piers with steel plates,which are used to replace the original concrete anchor piers, can simplify the construction technology,ensure the construction quality and enhance the construction speed.Thus,the wall rocks are deeply and immediately anchored and the deformation risks of the wall rocks are minimized.The comprehensive application of the new anchoring technology ensures the shallow and/or deep anchoring quality in soft and weak shale.In addition,the new technology results in significant economic and social benefits and can be popularized.

Sinorock is recognized for its excellent quality, delivery performance, innovative management and perfect service system. In addition, many products we have developed have become industry standards. The products we are provide all kinds of self drilling hollow bar and the corresponding accessories. Our self drilling hollow anchor bolt products received the consistent high praise by the customers. Till now, Sinorock has become one of the famous self drilling hollow bar suppliers.


Posted by seo2@sinorockco.com at 18:54│Comments(19)TrackBack(0)

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