上拉杆
The geogrid layer adopts a unidirectional geogrid. A lower unidirectional geogrid is tightly connected with an upper unidirectional geogrid layer through a connecting rod.
所述土工格栅层采用单向土工格栅,下一层单向土工格栅采用连接棒与上一层进行拉紧连接;
The entire door type scaffold is characterized in that the connecting bar and the upright rod are welded together through a welding hole on the upper end of the upright rod;
它包括立杆、连接棒、安全销,其特征:通过立杆上端的焊接孔,将连接棒和立杆焊接在一起;
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