2016年06月24日

hollow anchor bar

To control the collapse and falling stones, supporting effect should be reinforced. Facing with high slope, many chambers, complex geological conditions and narrow work yard, hollow anchor bar has played a quite important role.
A substantial part of the business is associated with the supply of hollow steel round bar products and associated services to industrial development and infrastructure projects. The types of the steel products we sell at Sinorock are usually application specific and often special grades and form supplied fit for purpose.
This results in hollow anchor bar system with optimized features that meet our customers’ high demands to perfection, and our numerous awards are clear evidence of this.We set standards all over the world in the anchoring industry with our competencies. For instance, we have our own formula, which was developed by the founder of our company, sets the global standard for establishing tightening torques.We adopted the advanced production equipment and strictly quality control system to ensure that we can provide customers low-cost, and high quality construction materials, so that the equipment used in the construction is safe and efficient.
Superior hollow anchor bar in Sinorock,hollow anchor bar is beneficial for slope stabilization and also used for load transfer from soft strata to hard strata. As far as safety aspect concern it gives better results because of its stabilization and homogeneity between all rocks.  

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2016年06月21日

Hollow injection bar is useful

Sinorock hollow injection bar is a sort of hollow bar that makes grouting and anchoring can be done simultaneously,it can also provide an excellent effect on various kinds of complex conditions,such as soft soils,loose rock,fractured zones and so on.The injection hollow bar is versatile in the projects of mining,tunneling,transportation,kinds of foundation support and national defense ect.
The hollow injection bar is applicable to medium and good ground conditions and is perfect for permenent support,pressure grouting from rock bolt can stabilize broken rocks and prevent underground water to keep rock bolt from corrosion.These can provide support for the stabilty of surrounding soils.
The Sinorock hollow steel bar system is designed for use in various applications, including tunnel repair and refurbishment and also slope and cliff face reinforcement. It provides the optimal solution for nailing, bolting, micro piling and as ground anchors for use in difficult ground and rock conditions. The system comprises of high quality fittings matched to rope threaded seamless steel tube which is threaded to ISO 2008.The self drilling anchor bolt system enables drilling and grouting of the anchor in one operation, making a saving in on-site and project time.

Sinorock hollow steel bar systems effectively improve the stability of underground rock masses. The increased load bearing capacity of the rock conditions enables an early construction start, thus providing both technical and economic advantages.Thanks to our systems’ flexible application options, our customers can choose next to mechanical and chemical anchors and bolts from a variety of anchoring systems, which are all customtailored to satisfy individual project requirements.
  

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2016年06月18日

Hollow bar system for mining

In the process of coal mine production, mine pressure in coal roadway is one of the important prerequisites which must be face and solve.As coal roadway bolt support technology in the downhole applications become more mature, and which provides a strong support for mine safe and efficient production , but also must fully recognize that the support of self drilling hollow bar as a systems engineering, must comprehensively consider the effect of various complicated factors, the most reliable and most economical escort bolting scheme for the underground production, it has very important significance.
Superior capability and capacity allow Sinorock to provide infinite solutions for your self drilling hollow bar requirements.Sinorock has concentrated on the geotechnical field and has become the leading specialist for demanding geotechnical products.We are successfully meeting the needs of engineering industries as a renowned self drilling hollow bar manufacturer.
Thanks to our global presence, we are in the unique position to combine our experts’ knowledge around the world in order to develop sophisticated solutions for the mining and tunneling industries. Due to our constant R&D activities, which are characterized by close contact with leading technical universities, we continually maintain the highest level of innovation in the underground industry. Our R&D centers around the world constantly improve our extensive range of products in order to keep satisfying our customers’ individual needs.
Rather than design products from a laboratory, we are directly involved at the face, thus providing solutions which are perfectly adapted to specific mining and tunneling conditions.
Sinorock hollow bar system - your worldwide partner for innovative systems and solutions for the Construction and Mining industries.  

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2016年06月16日

Hollow bar for hydroelectric

The site selection of hydroelectric power station is usually at hill and gorge areas with big fall and enough catchment. It generally includes dam, underground powerhouse and spillway tunnel, etc.
As for gorge terrain, geological condition and rocky situation are complex, adding engineering exploitation and influence on rock soil structure, it’s not good for hydroelectric power station’s stabilization. So for permanent support, hollow bar is widely used.
Hollow bar for hydroelectric can also used for supporting slope, reinforcing surrounding terrain and avoiding collapse or other geological disasters.
If hollow bar is shorter than designed depth, coupling is used to connect another one and lengthen it. Drill bit is made of materials with strong penetrating power, which can drill rock with different hardness. Grouting can keep certain pressure and be benefit for slurry filling gaps among surrounding rock. Nut can concentrate and transfer stress to its plate.
  

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2016年06月11日

Qualified hollow bar

In the process of several years of development, the hollow bar anchor systems we make are widely used in tunneling project, mining
exploration, hydroengineering projects and other infrastructure construction etc. Many customers speak highly of our products and service.
Now our customersare distributed all over the world. This is credible reputation for an self-drilling anchors company to some extent.The goal to be the most professional hollow bar anchors company has always been attached great importance.Sinorock has several advanced hollow bar anchors production lines, accessories processing equipment, and great research and development group.
Sinorock offer an uncomplicated approach to anchoring problems and throughout our range you will find only the highest quality self drilling hollow bar system designed to work first time and provide positive anchoring solutions. Our technical department will be delighted to handle any fixings queries you may have and provide help with specification, data sheets, loading and design.
Sinorock - We are committed to a process of continuous improvement in all the company.We have developed our own technology, and also use global specifications.We are ISO-9001-2008 certified.Our quality hollow bar system and technical assistance capabilities have helped us to export to the United States, Canada, Central and South America.
Our qualified technical team ensures that every product is tested for it’s quality using a fully controlled quality management system maintaining traceability of the hollow bar products from their initial source of supply to final dispatch to the customer.
http://hollowbaranchor.seesaa.net/article/438874408.html  

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2016年06月04日

Foundation needs Hollow bar

Hollow bar system for support is a way of reinforcement which applied in geotechnical slope in deep foundation pit, tunnel construction,etc. through the axial force of hollow bar system, will be in a certain range of rock mass stress state of surrounding rock by one-way or two-way compressed into three to compression, so as to improve the ring to the compressive strength and the compression zone can withstand its own weight, and can absorb a certain amount of external load, can effectively control the deformation of the surrounding rock, the mountain form a whole and the stability of the surrounding rock belt, prevent surrounding rock weathering, the unstable slope of the mountain is well technical processing measures.
Many Chinese engineeringers are attracted to the Sinorock hollow anchor bolt products
because of its top quality and best service.Sinorock hollow anchor bolt System product range offers tendons with ultimate loads from 210kN to 1,900kN including all system components
such as drill bits for all soil conditions, couplers, spacers and anchor heads.The Sinorock hollow anchor bolt System combines the geotechnical load-bearing system with the creation of a borehole. Thanks to the Hollow
anchor Bolt system with simultaneous grout flushing, the installation procedure can be decisively eased and shortened.The anchoring technology of Self drilling hollow anchor bolt can raise surrounding rocks’ intensity and stability. It has advantages of
easy to operate, low cost, safety and promptness, etc, which has brought attention in the field of mining industry and geotechnical engineering.   

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