单项选择题
当持力层较厚且施工条件许可时,桩端全断面进入持力层的深度宜达到土层的临界深度,粘性土、粉土的临界深度一般为()
A.(2-6)D
B.(3-10)D
C.(1-2)D
D.(0.5-1.5)D
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单项选择题
A.(2-6)D
B.(3-10)D
C.(1-2)D
D.(0.5-1.5)D
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