本文研究了桁梁结合梁的受力特征，针对W桥的具体情况试验研究了栓钉的承载力和布置方案，该成果已用于W桥的设计。
The characteristic of it and the strength, arrangement of its shear connectors are studied. The research results are being used in the design of W Bridge.
该固定钉本体具有桥和从桥以一定角度伸出的两条腿。
The staple body has a bridge and two legs extending from the bridge at an Angle thereto.
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