成果表明：船队进出厢的航行阻力和下沉量取决于船厢断面系数和进出厢的速度。
It is shown that the ship sailing resistance and ship sinkage are dependent on cross-section coefficient of the chamber and sailing speed.
目前钻孔灌注桩基中的桩均为园形截面，和矩形截面的桩相比，园桩的周长、断面系数较小，抗弯能力差。
At present, piles with circular are used in all casting bore-hole pile foundations, but these piles have smaller perimeter and smaller section modulus as compare with the rectangular ones;
暗穴临界安全厚度随着暗穴断面尺寸、暗穴半径收敛值、安全系数、地面荷载等参数的增大而增大。
The critical safety thickness of hidden cavity increases with the augment of hidden cavity section size, radial constringency, safety coefficient and surface loading.
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