对于桩基础载荷试验，单桩竖向承载力特征值Ra=单桩竖向极限承载力/2

桩基础中的桩，按承载性状可分为摩擦桩和端承桩两种，摩擦桩是指（　　）。

Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

对水泥土搅拌桩地基、高压喷射注浆桩地基、振冲桩地基，其承载力检验数量为总数的（）

饱和粘性土的不固结不排水强度主要取决于()【三峡大学2006年研究生入学考试试题】

下列桩基中，群桩承载力等于各根单桩承载力之和的是( )。A．端承桩B．摩擦桩C．端承摩擦桩D．摩擦端承

对于摩擦型群桩，群桩竖向承载力为各单桩竖向承载力之和。

对于摩擦桩群桩基础，其沉降通常比单桩（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。