Sinorock is a supplier of construction self drilling hollow bar products

Since self drilling 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 the ability to manufacture self drilling hollow bars with various models.Sinorock also 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.

Sinorock is a supplier of construction self drilling hollow bar products for major civil engineering infrastructure works. Our range of products includes high performance self drilling hollow bar,expansion shell anchor bolt,FRP rock bolt,friction bolt,rock drill,stainless anchor bolt system and ground improvement solutions. All of our products are supported by sound technical advice and on-site support.
Sinorock has been a pioneer in the use of self drilling hollow bar to reinforce existing ground. Today, Sinorock is widely recognized as the principal worldwide source for soil nails meeting the most demanding performance requirements.Sinorock is committed to deliver customers innovative solutions designed to improve safety, productivity and efficiency. Many customers speak highly of our products and service.
Sinorock Self Drilling Hollow Bar System are applied in soft soil and cracked terrain. It has been used in more 100 project in China.For example,Guangxi Baise Hydropower station Project,Henan Baoquan hydropower Station Project,Chongqing Yuqian Highway Project and Hangzhou jiefang Road Tunnel Project.
Self drilling hollow bars are used widely to improve the stability and load bearing characteristics of a rock mass. Often they are used to stabilize relatively small blocks of rocks in cuttings, slopes and underground excavations such as tunnels, caverns and mines. They can be used on their own or in conjunction with other support systems such as ground anchorages.

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