Sinorock hollow bar is mainly used in the fault fracture zone advanced support construction, under the complex geological conditions instead of ordinary catheter, overcoming the problems such as hole collapse, unable to plug rod, grouting is not full,ect. which played a supporting role in advance, ensuring the overall stability of the surrounding rock, and the safety of construction personnel and tunnel, with good application value.
Sinorock has been providing the finest hollow bar products and services in the geotechnical anchor engineering.We manufacture and galvanize hollow bars with variety diameters.We stock standard construction rock bolt, nuts, and other accessories both domestic and imported.
The specific features are as follows:
1.High-performance grouting, filling, consolidation of rock and soil, groundwater control, it has the good quality of grouting diffusion radius and reliable anchorage.
2.Drill pipe of the self drilling anchor bolt body does not have to pull out, its empty channel can be used as grouting, grouting from inside to outside.
3.Since before hollow bar has strong penetrating power, in general, under the action of drilling machinery can easily penetrate all kinds of rocks.
Sinorock has a complete team offering the service from site construction and anchor selection to technical adjustment. Above all it can provide the customer the most professional and reasonable scheme.It not only provides standard products, but also the special products upon the customer requirements.
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