11 07 0
In recent years, a large number of deep foundation pit had been constructed in the city, poor urban drainage system caused the roads water- logging, if deep foundation pit position low-lying, weak blocking drainage measures may lead to adverse water flow backward, which bring about foundation pit soaked by water immersion, to the foundation pit […]
26 06 0
Quality is the life and soul of the enterprise. Only high-quality products can make consumers leave a good impression on the enterprise. Quality is essential for the long-term development of an enterprise. Only with the facts and data to speak and with the quality to expand the market, an enterprise can be overcoming all obstacles […]
2 06 0
The supporting of self drilling anchor bar is an active form of support, which has the advantages such as good supporting effect,low cost,etc,which represents the development direction of the roadway bolting technology, greatly simplifies the coal working face end support and advanced support process, it ensure the safety of coal production. It has created favorable […]
19 05 0
On the basis of affinity map analysis, the main factors that affect the pulling force of self drilling anchor are confirmed by the analysis of affinity diagram. 1) the drilling hole forming technology is not reasonable The first is the improper selection of drilling methods, drilling using ordinary geological drilling rig, drilling quality can not […]
19 05 0
The diameter and length of anchor are the factors that affect the pulling force of the self drilling anchor, but it can be controlled by the drilling machine, the length of the self drilling anchor bolt and the drill bit, which is not the main factor for the construction control. In soft rock or weathered […]
19 05 0
The ordinary anchor bolt is mainly suitable for the whole formation. When the formation is broken or accumulated by the filling material, the DTH Drill is used to form a hole, the hole is easy to collapse, and the ordinary anchor rod can not be put into the hole smoothly. In this case, the self […]
14 04 0
The advantages of hollow self drilling anchor – Hollow self drilling anchor combines functions of drilling, grouting and anchoring, is an advanced anchoring and support system, which can solve problem of hole collapse and ensure grouting effect under complex geological condition. At aspects of bending resistance, shearing strength and surface bonding, hollow drilling rock bolt […]
10 03 0
In late-2016, the 18.80 km RV Road–Bommasandra line was put forward, the Bangalore Metro Rail Corporation Ltd. has now also initiated the Bangalore Metro’s new 21.25 km Gottigere–Nagawara line under the 72 km Phase 2 project. Its 7.50 km elevated viaduct in south Bangalore from Gottigere to Swagath Road Cross includes 5 new stations, Gottigere, […]
1 03 0
Solve the problem that broken into a hole and quick make a hole safely in the rock mass is the important achievement of the construction, the construction process in strict accordance with the “advance guard, short excavation, weak blasting, spray anchor, frequently measure” principle, slowly but surely, step-by-step. Self drilling injection anchor combines drilling, grouting […]
24 02 0
2016 has passed away and 2017 has opened new chapter. In the season of hope, Luoyang Sinorock Engineering Material Co., Ltd. will go to the U.S. to attend CONEXPO-CON/AGG 2017. As a grand meeting in the field of engineering mechanical industry in the world, CONEXPO-CON/AGG 2017 will exhibit the newest equipment, product, service and technology. […]