11# mine steel arch

Mining i beam is also called mine beam, it is a typical profile in the current mining industry and the coal support field, this type of steel is named for its section. Mainly used for the support of mine tunnel.
Application: It is mainly used in mine roadway, secondary support of mine roadway and supporting support for the tunnel.
Specification: T chanel support, arch support
Size: 11#
Material: Q345B
Characteristic: High pressure, long support time, easy to install, etc.

1. The outer edge of the i-steel shall not be more than 2.4% of the width of the legs.

2. The bending deflection of the i-steel shall not be greater than 1.0mm.

3. The degree of eccentricity of i-steel shall not be more than 2% of the width of the legs. Degree of eccentricity = b2-b1/2.

4. The bending degree of the steel shall not be greater than 3mm.

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