屋脊处的峰值吸力绝对值随着坡角增加而增大，迎风屋檐处的峰值吸力随着坡角增加而减小。
The peak suction absolute values near the roof ridge increase and those values near the windward-side eave decrease with the increasing roof pitch.
当吸力相同时，原状样的峰值强度和剪胀势均高于压实样，这与原状样中铁锰结核的胶结作用有关。
As compared with the compacted specimens, the natural specimens were higher in the peak shear strength and the dilatancy due to the cementation effect of the iron and manganese oxides.
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