M type steel strip

Model Expansion Width Thickness Forming Height Aperture Length*
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1. Technical superiority of profiled steel strips (compared to flat steel strips)
, Steel The bending section modulus of the strip is increased
times
and the steel strength is increased about times
. The hardening effect during the cold rolling process of the profiled steel strip
improves the tensile strength.
, easy to stick closely to the surrounding rock
, high section utilization, material saving and low price.
2. Features
The profiled steel strip is a series of products, and different models can be selected according to different geological conditions and different requirements.
There is a big difference between the upward and downward section modulus of the shaped steel strip (the downward section modulus is about the same as the upward section modulus
So
During installation, use an anchor drill to push upward Tight, the section modulus of the steel strip is very small, and it is easy to adhere closely to the surrounding rock of the roof. However, when the roof is pressed, the downward bending section modulus of the steel strip is very large, causing the anchor to loosen the surrounding rock to form a Overall.
Compared with other types of steel belts, profiled steel strips are less likely to tear and have greater rigidity.
Profiled steel strips have a high cross-section utilization rate.
3. How to use
The installation and use of the profiled steel belt is extremely simple. Install the anchor rod after drilling the surrounding rock, and combine the steel belt and the anchor rod according to the design requirements in advance.
Use an anchor rod drill to install the anchor rod. , after the anchor rod is installed, tighten the tray and anchor nut
and so on to complete the installation.
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