The bearing capacity of soft subsoils of Xiangtan-Shaoyang Expressway is been studied by the methods of slab loading test, the portable dynamic probe test and the crossplate shear test.
Fixed railway installations. equipment for overhead telecommunication and signalling lines. plate for securing cross - pieces to reinforced concrete posts.
铁路固定设备。通讯和信号装置架空线路用器材。钢筋混凝土电杆上横梁固定用板。
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Fixed railway installations. equipment for overhead telecommunication and signalling lines. plate for securing cross - pieces to reinforced concrete posts.