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Civil Construction
Civil construction mainly includes the buildings of transportation, airport, port, bridge, communication, water conservancy, drainage, exhaust in the city, power supply facilities and invisible production providing or the fixed assets served in the department of science, education, culture and health. It is the common materials of every company, unit, the business and our living place.It is also the guarantee of all the facilities moving steadily. While whether it is stable r not, it relates to people’s normal life and the development of civil construction.
The anchor bolt productions developed and sales in Luoyang Sinorock Engineering Material Co., Ltd. provide the material basis for civil construction. Make the good job of geological supporting project, and guarantee the order of people’s life, we provide the safe, efficient, energy-saving and environmental friendly productions and services,which is not only the demand of our time, but also of ourselves.
Common hollow anchor bolt can be used for permanent support project in medium and good rock condition, the pre-support project, of highway and railway, slope stabilization and foundation support. By doing pressure grouting, it can help to reinforce the broken rock mass, improve the rock mass and prevent the corrosion from underground water and then reach the purpose of supporting.
High-stainless self drilling anchor bolt, is used for the condition of the civil construction influence by the underwater,seawater and chemical mediums. The stainless anchor bolt has not only the beautiful surface, but also the good anti-corrosion property.
Expansion shell anchor bolt is to put the hollow bar into rock hole, rotate the hollow bar until the expansion shell fully expanded and make friction resistance between the expansion shell and drill hole. Pressuring the plate and nut to make expansion shell hollow grouting bar from a rapid anchoring force pressure.
Tubular bolt is a wholly anchor bolt, it can reinforce the rock, and it can increase the contact area of the steel tube and the rock layer, which has the larger pulling-out force than other common anchor bolts.
Large-diameter pipe shed is widely used in the advanced and radial support, slope stabilization, roadbed reinforcement, which is the ideal method for construction.
Application of Self-drilling Anchor Bolts in Xiluodu Hydropower Station

Self drilling anchor bolt has two performances: drilling and grouting. It features a hollow bore for flushing, or simultaneous drilling and grouting. It can be installed in sites with weak rocks, loose soil, weathered layer, sand with stone layer where it is so difficult to create a hole in complex formation. The unconsolidated ground conditions favor the self drilling anchor bolt technique for fast and simple method of installed compared to the traditional method, which was confirmed by the application in Vertical Shaft at Left Bank of Xiluodu Hydropower Station.



The engineering geological conditions at the left bank is very complicated and the construction period is short, which means the overall is so dangerous that it demands for adjusting the conventional supporting method to be adapted to the project. There are three geological stratification from the top to the bottom. First, diluvial deposit (plQ3). Its structure is
inhomogeneous to bring about collapse of the shaft easily. Second, glacier deposit (fgl+glQ2), which has bad autostability. Third, ancient landslide deposit, which is composed of triassic system amaranth sandstone and the macadam of limestone.
This project includes NO.1 and NO.2 outlet shaft, and both are 251m deep. According to the surrounding rock situation, the shaft divides covering stratification and stone stratification. The covering stratification of NO.1 shaft is 115m deep and NO.2 126m deep. The diameter of covering stratification excavation ranges from14.0~14.6m, and the diameter of stone stratification is 11.50m. The surrounding rock in the covering stratification is relatively weak so it needs supported when dug 3.0~4.5m deep. The length of the self drilling anchor bolt is 6m. The depth of drilling is 5.5m and the interval space is 1.2m*1.0m. Finally, C40 concrete should be applied for lining construction of long inclined shaft, and the thickness is 1.2m.

Self drilling anchor bolts
are usually used in civil construction, like micro pile, slope stabilization, bridge building. Sinorock self drilling anchor bolt has been used in Canada Ground Support Project, Russia Winter Olympic Games in 2014 and Korea SAMSUNG Project.. With reliable products and great service, Sinorock has won good reputation from all over the world.


Russia Winter Olympic Games in 2014

The 2014 Winter Olympics, officially known as the XXII Olympic Winter Games were a major international multi-sport event held in Sochi, Russia, in the tradition of the Winter Olympic Games.

The Olympic infrastructure was constructed according to a Federal Target Program (FTP). In June 2009, the Game’s organizers reported they were one year ahead in building the main Olympic facilities as compared to recent Olympic Games.


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