... stage loading 分级加荷 loading in two-stage 二次受力 two-stage loading 二级栽荷 ...
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Composite slabs were investigated in two batches. 5 composite slabs were tested by once force-bearing; 4 composite slabs considering secondary load.
通过3块复合砂浆钢丝网底板来研究底板的特性,分两批做叠合板的试验,第一批是5块一次受力叠合板,第二批是4块二次受力叠合板。
参考来源 - 复合砂浆钢丝网叠合板抗弯性能试验研究The ultimate load capacity of reinforcement grows when the first three factors rise, and it will reduce when the secondary load improve.
结果表明,结构加固后的极限承载力随着前三个参数的增大而提高,随着二次受力的加大而降低。
参考来源 - 碳纤维加固分析及其在桥梁中的应用Carbon Fiber Reinforced Plastic;CFRP;Reinforce;RC T-section beams;Ultimate shear capacity;Initial loads;the effective pasting length;Concrete mass element;Contact Analysis;the birth and death capabilities
碳纤维布;CFRP;加固;钢筋混凝土T梁;抗剪极限承载力;二次受力;有效粘贴长度;混凝土块单元;接触;单元“死活”
参考来源 - 碳纤维布对RC梁抗剪加固研究·2,447,543篇论文数据，部分数据来源于NoteExpress
研究结果表明，在初始荷载小于极限承载力20%的情况下，可以忽略二次受力的影响。
The results show that the effect of secondary load can be neglected if initial load is less than 20% of ultimate capacity.
利用基于平截面假定的正截面受弯承载力的计算理论，分析了配筋率、加固量及二次受力等因素的影响。
With theoretical method based on the assumption of plane section, the influence of steel reinforcement ratio, CFRP amount and initial loading level on the flexural strength is analyzed.
在结构承受较大初始荷载情况下，二次受力问题对加固梁的抗弯刚度、极限承载能力、延性存在一定影响；
When the initial load is big, the secondary load could influence the performances of CFRP reinforcement on all aspects as mentioned above.
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