Assembled bracket - reinforced concrete bracket
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Reinforced concrete supports are used in roadways with a span of less than 3 m . Soft or expansive rock formations should not be used. The bracket is usually ladder-shaped. The length of the top beam is 1.8~3m , the length of the column is 2m~2.4m , and the inclination of the column is a=75°~82° . The section size of the member is high* width=(18~25)*(8~12) )cm .