三、横向受力裂缝宽度的计算 粘结谞移理论 裂缝的间距 △a,A,=f △oA=rldx )A Mfa f 1 T 44 (a4+4o3)A三、横向受力裂缝宽度的计算 1. 粘结滑移理论 裂缝的间距 m  s (s ) l l   sm  c (c )  cm l （s+ s）As sAs c=ft l （s+ s）As m sAs  s As = f t A  s As = m ld       f d d A d f d f A l m t m t m t 4 1 4 4 1 2 = = =