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Reinforced concrete supports have the advantages of saving wood, long life and corrosion resistance, but they are heavy and costly to labor when erecting.
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 .
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 .
Constant Temperature Humidity Test Chamber
Constant Temperature Humidity Test Chamber,Multilayer Constant Temperature Humidity Test Chamber,Variable frequency constant temperature and humidity test chamber,Rapid Temperature Change Chamber
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