地基土承载力宽度、深度修正系数
表2-5 清底系数m0t/d0.3~0.1m00.7~1.0注:(1)t、d 为桩端沉渣厚度和桩的直径;(2)d ≤1.5m时,t ≤300mm;d >1.5m时,0.1 l/d桩端土情况4~2020~25>25透水性土0.700.70~0.850.85不透水性土0.650.65~0.720.722)沉桩的承载力容许值 ?nR?1a?2(u??iliqik??rApqrk)i?1土类系数、?r?粘土粉质粘土砂土i土粉桩径或边长d(m)0.8≥d0.60.70.91.12.0≥d>0.80.60.70.91.0d>2.00.50.60.70.9
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