剪切力较高，销栓作用比大直径钢筋更有用。
Splitting forces are higher and dowel action is greater with the use of large diameter bars.
大直径钢筋无论是钢筋本身的加工制作、绑扎连接还是施工工序的合理部署等都有其特殊性。
The construction of steel reinforcement with large diameter has many special characteristics, such as the manufacture, colligation, and the arrangement of construction.
相应的高水头大直径水工压力隧洞的建设也逐渐增多。并且越来越多的工程采用地下钢筋混凝土岔管。
Building of hydraulic tunnels with high head and large diameter increase gradually, and the underground reinforced concrete branch pipe is adopted in more and more projects.
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