Date of issue:2022-04-22 General view:423
The slope protection net is a kind of protection net applied on the mountain. The slope protection net can be divided into two types: one is an active protection net and the other is a passive protection net. Whether it is an active protection net or a passive protection net, its structure It is a kind of flexible protective net, woven with steel wire rope, which is applied to the slope or rock of the mountain to limit the rock and soil due to weathering, pineapple or damage, and rock collapse, to reinforce the entire mountain, or It is to control the rolling of rocks within a certain range to prevent the falling rocks from rolling down to a larger area, causing damage to traffic and personnel.
The passive protective net includes the following main components: steel wire mesh, chain link fence for intercepting small falling rocks, fixing system (including: anchor, anchor rope, base, support rope), decompression ring, and steel column. Among them, the connection between the steel column and the wire rope net constitutes a whole, which forms a protective measure for the main surface of the protected area to prevent the mountain from collapsing and falling, etc., and plays the role of slope protection.
The slope protection net is also very complicated in the process of installation and fixation. In this process, many accessories need to be applied. These required accessories are fully equipped when the manufacturer purchases the slope protection net. Then the slope protection net What accessories are needed during installation and construction?
1. I-beam column: It is made of ordinary I-beam, and its height is the same as that of the entire passive protective net system.
2. Anchor bolts: Double-strand steel wire rope bolts with a diameter of 16mm are selected.
3. Anchor bolts: Choose 4 MP28*1000/M27*100 standard anchor bolts supported by threaded steel bars for each base.
4. Base and connector: use standardized GS-7001 base and GS-7005 connector.
5. Anchor pull system
Note: The designed pull-out force of the bolt along the hole diameter should not be less than 80KN, the pull-out force of other bolts should not be less than 50KN, the anchorage length should be determined according to the calculation, the minimum should not be less than 2 meters, the diameter of the steel bar should be greater than 12 mm, the diameter of the double-strand steel wire rope anchor Should be greater than 12mm, the diameter of the wire rod should be greater than 2 times the diameter of the wire rope and greater than 10mm.
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