Handan Zhongfu Industrial And Mining Accessories Co., Ltd.
Handan ZhongFu company is a professional manufacturer for underground mining supporting products with over ten year experience. We can manufacture Split sets ,friction bolt, Combi split sets, Expandable friction bolt,Swellex, Threaded bar bolt, Cable bolt, Combi cable bolt, Welded mesh, Domed plate, Nuts, other mining Equipment.
What is the construction process of hollow anchor rod?
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1.Laying holes
Laying holes on the surface of preliminary sprayed concrete according to the requirements of design drawings.
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2.Drilling and installation of anchor
After the excavation of the initial spraying, it is necessary to drill holes on the simple platform as soon as possible using manual hand-held wind drill, and when the drilling is finished, the installation of anchor rods begins. When the rod is inserted into the anchor hole, keep the position centered, the anchor rod exposed concrete surface is not greater than the thickness of the spray layer, and then re-sprayed to the thickness indicated in the design drawings. In the watery area, first draw out the water in the hole or drill another hole nearby before installing the anchor rods.
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3. Grouting
Grouting machine is used to inject grout, after the end of grouting, the mouth of the pipe is blocked to prevent the slurry from flowing back out of the pipe. Anchor plate and hole concrete close, and always check the deformation of the anchor head, tighten the plate nut.
Our address
West Side Of Jianshe Street, Southwest Industrial Zone, Linmingguan Town, Handan, Hebei, China
Phone Number
+8615830050566
zfgongkuang@aliyun.com
