The fibers allow the concrete to bend and crack in narrow hair-width fractures rather than gaping splits.
纤维可以使混凝土弯曲并出现头发丝细的裂纹，而不是直接裂出口子。
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。
Therefore, the checking formula for the designing method is consistent with the crack control width and the designing method is safe and reliable.
因此，该设计方法的验算公式与其相应的裂缝控制宽度是相辅相成的，设计方法也是安全可靠的。
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。
Based on standard test method ASTM C1550 for fibre reinforced concrete (FRC), a modified round panel test method for the material performance of FRC by measuring crack opening width is presented.
在美国材料试验协会标准ASTMC1550圆板试验方法基础上，提出一种改进的基于裂缝宽度量测技术的纤维混凝土(FRC)材料静定圆板试验方法。
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。
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。
Experimental research and theoretical analysis of critical load selection, difference between specimens with and without fatigue crack, and crack length and width effects were carried out.
对其中临界荷载的选取、有无疲劳裂纹的差别以及裂纹长度和宽度的影响等进行了实验研究和理论分析。
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。
Established the calculation model of waterproof layer tensile above bridge crack, compute a minimum extension and strength the waterproofing layer must have hi a certain width crack.
建立了桥面裂缝之上防水层张力的计算模型，有效地计算出桥面混凝土一定宽度裂缝上防水层须具备的最小延伸率和拉伸强度。
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。
Statistic data were obtained by tests and dissections and the relationships between crack length, width and depth were given as a reference for crack depth evaluation.
通过大量检测试验和解剖，得出统计规律数据，从而得到裂纹长度、宽度与深度之间的对照表，对裂纹深度的评估有一定的参考价值。
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。
The work mentioned above is helpful to understand width effects and evaluate surface crack with different width and depth.
上述工作有助于全面认识宽度对漏磁场的作用，实现不同宽度、深度的表面裂纹量化检测。
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。
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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