Knowledge - Tiancheng

2021-6-09

Ground anchor safety technical requirements
1. The ground anchors used for hoisting should be made strictly according to the design, and concealed engineering records should be kept, and overloading is not allowed when using; 2. The ground anch
2021-6-07

Introduction of ground anchor
Ground anchors can be divided into anchor piles, anchor points, anchor ingots, and drag pits. In lifting operations, ground anchors are commonly used to fix drag ropes, cable wind ropes, hoists, guide
2021-6-06

Anchor rod (anchor cable) support design technical parameters
Anchor rod (anchor cable) support design technical parameters 1. Design bearing capacity of anchor cable When the diameter of the steel strand is φ15.24mm, it is 230kN, when the diameter of the steel
2021-6-05

Several force concepts related to bolt support
Several force concepts related to bolt support 1 definition Anchoring force: refers to the restraining force of the anchor rod on the surrounding rock, which includes radial anchoring force and tangen
2021-6-04

Do you know everything about rock bursts?
It has been nearly 90 years since the rock burst disaster occurred during the mining of coal resources in our country. With the large-scale entry of coal mining in my country into deep regions, rock b
2021-6-03

Terms related to rockburst
Terms related to rockburst [Regulations] Article 225 Coal seams that have experienced rock bursts within the mine field, or coal seams that have been identified as having impact tendency (or their roo
2021-6-02

Safety technical measures for ground anchoring
Safety technical measures for ground anchoring 1. Ground anchor function and scope of application: small winch fixing, gas pump fixing, belt conveyor head and tail fixing, filling pipe, etc. 2. After
2021-6-01

Market prospect analysis of bolt industry
Advanced bolts are the basis of high-end machine production, and their effect can be described as "four or two shifts." On the surface, bolt output only accounts for a few percent of machine
2021-5-30

The difference in tensile strength between my country's high-strength bolts a...
There is a huge difference in the tensile bearing capacity of high-strength bolts in the DIN standard and the Chinese standard, for the following reasons: 1. In our country's standard, the pretens
2021-5-29

About the quality treatment of nuts
The further optimization of the current product structure is an important strategic shift for fastener companies. The gradual transformation of low-carbon steel hexagon nuts into A194 2H-class nuts ma
2021-5-28

How to choose the material of bolts and nuts?
Many customers ask questions like: How to choose the materials of bolts and nuts? Obviously, customers like this don't know much about the raw materials of nuts. If you have any questions, please

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