我国规定泵送混凝土的塌落度，宜为（） -题库考试答案搜索网

我国规定泵送混凝土的塌落度，宜为（）

单选题

2022-06-29 08:00

A、5~7cm
B、8~18cm
C、8~14cm
D、10~18cm

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正确答案

B

试题解析

标签：混凝土材料科学大学试题理学

感兴趣题目

泵送混凝土最适宜的塌落度是（）。

混凝土经泵送后塌落度会降低。

灌注水下混凝土的塌落度宜为（）。

在防水混凝土浇筑地点的塌落度每工作班至少检查（）次。如规定塌落度为50~90mm，则允许误差为±（）mm。

对30～60米泵送高度入泵时混凝土塌落度选用值是（）

我国规定泵送混凝土的塌落度，宜为（）

混凝土经泵送后塌落度会降低。

对30～60米泵送高度入泵时混凝土塌落度选用值是（）

我国规定泵送混凝土的坍落度宜为（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

我国规定泵送混凝土的坍落度宜为（）

不同入泵塌落度或扩展度的混凝土，其泵送高度宜符合有关规定，当泵送高度为100m时，入泵混凝土坍落度宜控制在（）。

相关题目: boost的意思是:help or encourage to increase or improve; eloquent的意思是:fluent or persuasive in speaking or writing; A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.; 水运工程混凝土和砂浆材料用量定额中规定泵送混凝土和水下灌注混凝土坍落度超出设计坍落度范围之外，每增减lcm，水泥用量相应增减()。; （）any case or suspected case of quarantinable disease，or any case of eruptive disease or any death be discovered，the local quarantine officer must be notified immediately．; Should any case or suspected case of quarantinable disease，or any case of eruptive disease or any death be discovered，the local Quarantine Officer must be（）immediately.; Masters are（）solely responsible for all damages or accidents of whatever kind resulting from the navigating or handling of their vessels by day or by night.; 系统中雷达状态包括Unknown、Operational（or ON）、Failed（or OFF）、Detached。; The carrier is liable for loss of or damage to the goods or delay in delivery caused by fire，（）the claimant proves that the fire arose from fault or neglect on the part of the carrier，his servants or agents.; Shutdown price（or point，or rule）停业价格（或停业点、停业原则）; 泵送混凝土的入泵塌落度不宜小于100mm，对强度等级超过c60的泵送混凝土，其入泵塌落度不宜小于（）。; 翻译：With Average or With Particular Average（WA or WPA）（）; 塌落度不低于（）并用泵送施工的混凝土称为泵送混凝土。; 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.; Vessels must be（）valid certificate of nationality or certificated of registry or license.; When loading or discharging dry mud or cement，crew members should use goggles and（）.; 逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

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