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4356 2 Safety checking shall be carried out and corresponding safety measures shall be taken for the hoisting. In addition, an approved specific lifting plan shall be provided; 2 吊装作业应进行安全验算并采取相应的安全措施,应有经批准的抬吊作业专项方案;
4357 2 Sampling methods, sampling sites, sampling quantity, curing conditions and testing ages of concrete specimens shall meet the relevant requirements of the current national standard GB 50204 Code for Acceptance of Constructional Quality of Concrete Structures and GB/T 50107Standard for Evaluation of Concrete Compressive Strength. The fabrication requirements and test methods of concrete specimens shall meet the relevant requirements of the current national standard GB/T 50081 Standard for Test Method of Mechanical Properties on Ordinary Fresh Concrete; 2 混凝土试件的抽样方法、抽样地点、抽样数量、养护条件、试验龄期应符合现行国家标准《混凝土结构工程施工质量验收规范》GB 50204、《混凝土强度检验评定标准》GB/T 50107等的有关规定;混凝土试件的制作要求、试验方法应符合现行国家标准《普通混凝土力学性能试验方法标准》GB/T 50081等的有关规定;
4358 2 Sampling tests for mechanical properties of materials shall be performed according to the requirements in the relevant current national standards; 2 应按现行国家有关标准的规定进行力学性能的抽样检验;
4359 2 Sampling tests for verification of yield strength, tensile strength, elongation, bending properties and weight deviation per unit length of steel reinforcements shall be carried out according to the requirements of relevant current national standards; 2 应按国家现行有关标准的规定抽样检验屈服强度、抗拉强度、伸长率、弯曲性能及单位长度重量偏差;
4360 2 Sand spraying device for the adhering braking system. 2 用于粘着制动系统的撒砂装置。
4361 2 Seams of anchorage devices at ends shall be sealed with such materials as cement grout and cement mortar. Exposed anchorage devices may be sealed by using protection cover; 2 应采用水泥浆、水泥砂浆等材料封闭端部锚具缝隙,也可采用封锚罩封闭外露锚具;
4362 2 Select one span close to two ends in case of tightening section from 6~12 spans; 2 紧线段在6~12档时靠近两端各选择一档;
4363 2 Select rational design scheme and detailing; 2 采用合理的设计和构造;
4364 2 Select structural types which are insensitive to the possible hazards; 2 采用对可能受到的危害反应不敏感的结构类型;
4365 2 Self-closed, inductive and flushing valves shall be adopted for the closet pans and urinals in toilets of public buildings shall be self-closed type (pedal and self-closed type should be adopted in public toilets); 2 公共建筑卫生间的大便器、小便器均采用自闭式(公共卫生间宜采用脚踏自闭式)、感应式冲洗阀;