计算挡土墙压力时,荷载效应( )。 -题库考试答案搜索网

计算挡土墙压力时,荷载效应( )。

单选题

2021-07-17 23:44

A、应按正常使用极限状态下荷载效应的标准组合
B、应按正常使用极限状态下荷载效应的准永久组合
C、应按承载能力极限状态下荷载效应的基本组合,采用相应的分项系数
D、应按承载能力极限状态下荷载效应的基本组合,但其分项系数均为1.0

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正确答案

D

试题解析

标签：水利水电工程专升本土力学与地基基础期末考试

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桥梁结构的整体计算采用车辆荷载，桥梁结构的局部加载、涵洞、桥台和挡土墙土压力等的计算采用车道荷载。车道荷载和车辆荷载可以叠加。

用朗肯土压力理论计算挡土墙土压力时，适用条件之一是（　）。

（）shall be liable for loss of and damage to the Vessel and／or goods arising or resulting from inaccuracies in stating the description，quantity，weight，measurement or contents.

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.

The （） is used for hauling in or letting out the wires or ropes.

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Effects which are dutiable or subject to prohibitions or restrictions should be declared in （）.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

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