Stirrup bend the straight part of the general structure : length, diameter of not less than five times the stirrups; Seismic requirements for the structure, not less than 10 times the diameter of the stirrup.

• 箍筋弯后的平直部分长度：对一般结构，不宜小于箍筋直径的5倍；对有抗震等要求的结构，不应小于箍筋直径的10倍。