The suggestions on erecting a shearkey and its formula are also proposed in view of the fact that there are no specific methods for erecting the shear keys in the regulations.
对规程中抗剪键的设置不够具体等问题，提出抗剪键的设置建议及计算公式。
2
Generally speaking the loading capacity of shearkey is mainly governed by embedded part, while quite few test have been taken to the embedded part when the on -going specification is established.
一般说来，剪切键承载能力主要受预埋件控制，但在制定现行规范时对多排多列角钢预埋件的试验研究较少。
3
Prefabricated shear wall and composite plate are the key components of the production cost of PC components.