Crack width is a most significant parameter for the durability assessment and design of reinforced concrete structures.
锈胀裂缝宽度是混凝土结构耐久性与设计评估的重要参数。
The reason of wall cracks is analyzed, the standard problems of crack width are stated and the preventive methods and measures in the design and construction are presented for reference.
本文分析了墙体裂缝的产生原因，阐述了裂缝宽度的标准问题，并提出了在设计、施工中相应采取的防治方法和措施，供大家参考。
It shows that finite element analysis could replace experiments to study the crack width of reinforced concrete beams in a way.
说明有限元分析在某种程度上可以代替试验对钢筋混凝土梁裂缝宽度进行研究分析。
Ultimate strength design is not required and the reinforcement can be determined only on basis of allowable crack width in design of beam on foundation.
地基梁可不进行承载能力极限状态的计算，其配筋可由正常使用极限状态中的允许裂缝宽度来确定。
Design and analysis: loading combinations, section steel area calculating, earring capacity computation, section stress checking, deformation and crack width checking and so on.
设计分析：含荷载组合计算、截面配筋设计、承载能力计算、截面应力验算、变形及裂缝宽度验算等。
When crack width changes from wide to narrow, the K does not immediately minish, but continuously enlarges first, reduces then, and does not return in original route.
当裂纹宽度从大到小时，K值不是立刻减小，而是先继续增大，然后再减小，并且不是按原路线返回。
Experimental research under different crack width and water repellent treatment at different occasion is done using gel silicon water repellent agent.
实验研究了在不同的裂缝宽度、不同的防水处理时机下，用有机硅凝胶防水剂进行防水处理的效果。
Whether the HRB400 steel bars reinforced concrete beams can be met the limit of the maximum crack width and the limit of deflection is discussed.
讨论了正常使用极限状态下，HRB400级钢筋混凝土梁的裂缝宽度和挠度能否满足规范限值要求。
On this base, main reasons of influencing concrete slab's crack width of composite girder have been discussed.
在此基础上，讨论了影响组合梁混凝土板裂缝宽度的主要原因。
The deflection and the crack width of the SRC transfer girder are calculated.
验算钢骨混凝土转换梁的挠度和裂缝宽度。
The results are shown that reliability level of the members are sufficient, the guaranteed reliability is higher using the calculating formulas of characteristic crack width of current design codes.
计算结果说明，无粘结部分混凝土构件的正常使用极限状态下的可靠性提高，设计规范的“特征裂缝宽度”计算公式有较高的可靠保证。
According to the test results and theoretical analyses, a method of calculating the crack width of unbonded partially prestressed concrete beams is presented.
在试验和理论分析的墓础上，提出了无粘结部分预应力混凝土梁裂缝宽度的计算方法。
However, the evaluating results of statistical method are the static results reflecting the present conditions of CRCP crack width, and influenced remarkably by the individual wider cracks.
而统计方法的评价结果受个别较宽裂缝的影响较大，且为静态结果，只能反映CRCP裂缝宽度的现时状况。
The natural frequencies of beam are calculated with finite element method in the cases of different crack width and different crack depth.
本文利用有限元法分别计算在不同的裂纹深度、不同的裂纹开口宽度的情况下梁的固有频率。
In this paper, according to the experimental results of 22 beams, we probe into the influence of concrete cover thickness on crack width and crack spacing.
本文通过22根钢筋混凝土受弯构件的试验，探讨了混凝土保护层厚度对裂缝间距和裂缝宽度的影响。
Based on meeting the requirements of flexural strength, the effects made by ratio of longitudinal reinforcement on deflection and maximum value of crack width are analyzed.
在满足正截面承载力要求的基础上，分析了纵向配筋率的变化对挠度及最大裂缝宽度的影响。
Then, the strength of the structure and crack width are checked by using the nonlinear FEM.
然后以考虑混凝土开裂的非线性有限元方法校核结构强度和裂缝宽度。
Based on the design code of concrete structure (GBJ10-89), the paper gives the nominal tensile stress method of controlling crack width in prestressed concrete structure of punchy bars.
以混凝土结构设计规范(GBJ10—89)为基础。建立了强力钢筋做预应力筋的预应力混凝土结构用名义拉应力控制裂缝宽度的方法。
Then, a study on the accuracy of these formulas for calculating crack width is made on the basis of the existing test date obtained from flexural members.
此外，根据国内外大量的受弯构件裂缝宽度试验数据，对这些裂缝宽度计算公式的精度进行了计算和比较研究。
Through the examination experiment on three tube pieces' crack part, the relation of crack width, the maximum of leak magnetic field and differential coefficient is found out.
通过对三个管件的裂纹部位的检测实验，找出裂纹宽度与漏磁场的最大值和变化梯度之间的关系。
The improved model is proposed for calculating the maximum crack width.
改进了最大裂缝宽度的计算模式。
Based on the standard computation formula of cracks, the maximum crack width of RC member with 0.8% steel fiber (by volume) is about 32% lower than that of RC member.
经过计算，纤维体积率为0.8%的钢纤维混凝土能使混凝土结构裂缝的最大宽度降低32%。
Based on the experiments of the 12 SRC flexural members, the stiffness, crack width and ultimate bending strength of the SRC beams are analysed.
本文以12个型钢钢筋混凝土(以下简称SRC)梁受弯试验为基础，对SRC梁的刚度、裂缝宽度和受弯承载力进行试验研究和理论分析。
Comparisons between theoretical predictions and experimental results, in terms of crack spacing and crack width, indicate that the proposed model is reasonable.
文中对裂缝间距和裂缝宽度的模型预测结果和试验结果进行了比较，对比结果表明文中提出的计算模型是合理的。
This paper discussed the calculation analysis of the secondary lining crack width and spacing by using simulating soil curved beam's stress.
根据乌鞘岭隧道岭脊地段地质状况和二次衬砌实际受力特点，采用拟地基曲梁计算法来分析二次衬砌的裂缝宽度与间距。
Through the examination experiment on four tube pieces crack part, the relation of crack width, the maximum of leaking magnetic field and differential coefficient K is found out.
以经爆破试验的四件小钢管件裂纹为研究对象，找出裂纹宽度与磁记忆信号的关系，得出漏磁场变化梯度的最大值随裂缝宽度增加而增加。
With the help of the method, the bearing capacity in bending, the limitation of crack width and the deflection of the members can reach optimum.
可使构件正截面承载力、裂缝宽度，挠度同时都达到最佳程度的满足。
On the static loading test, to obtain a more precise result, the HJ series of concrete sensor was used to measure concrete crack width.
在静载试验中对混凝土裂缝宽度的量测采用HJ系列混凝应变计，获得了较精确的试验结果。
Then, through the crack width and crack spacing analysis, proposed control measures for cracks from design, construction, etc.
然后，通过对裂缝宽度和裂缝间距的分析，从设计、施工等方面提出控制裂缝的措施。
Then, through the crack width and crack spacing analysis, proposed control measures for cracks from design, construction, etc.
然后，通过对裂缝宽度和裂缝间距的分析，从设计、施工等方面提出控制裂缝的措施。
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