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。
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。
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。
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。
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。
Finally, an improved method of calculating crack width of RC beams strengthened with FRP was suggested.
最后,提出了粘贴纤维布加固rc梁的受弯裂缝宽度计算方法。
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。
The test results show that steel fiber reinforced self-stressing concrete could decrease the crack width of penstocks effectively.
试验表明,利用钢纤维和自应力混凝土可以有效地降低管道外包混凝土的裂缝宽度。
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。
The force bearing state of long corridor of surge tank is computed. The computing formulae of crack width and reinforcement rate are given.
并对长廊阻抗式调压井的衬砌结构受力特性进行了分析,给出了混凝土衬砌结构开裂的计算方法和结构配筋估算公式。
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。
Furthermore, calculating method for the stress of prestressing steel and controlling conditions of crack width are also presented in the paper.
提出了预应力钢筋应力的计算方法和裂缝的控制条件。
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。
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。
By investigating landslide characteristics, crack width and amount of slip square, it is confirmed that this landslide is a medium-sized landslide.
邯沙公路在施工过程中发生滑坡,通过勘查滑坡特征、裂缝宽度和滑方量,确认该滑坡属中型滑坡。
The proposed equations for evaluating the cracking strength and maximum crack width of prestressed and reinforced concrete members are verified by …
建议的计算预应力混凝土及钢筋混凝土构件抗裂度和最大裂缝宽度的公式用大连工学院等单位所作的试验资料作了验证。
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。
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。
The results show that the crack extent, the crack width and the reinforced bar stresses increase with the increment of the original gap width in the operation;
同时研究结果表明:运行期,混凝土衬砌的开裂范围、裂缝宽度和相应的钢筋应力随着衬砌与围岩之间初始缝隙值的增大而增大;
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。
The creep and shrinkage of concrete is the major problem that leads to the enlargement of crack width in concrete structures, under the action of long-term load.
混凝土的徐变和收缩是长期荷载作用下混凝土结构裂缝宽度扩大的主要影响因素。
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 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 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。
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。
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。
The relationship of deflection, crack spacing and maximum crack width with the stress, diameter and ratio of steel bars can be predicted by existing model presented in the code.
试验梁的挠度、裂缝间距和最大裂缝宽度与钢筋应力、钢筋直径和配筋率等因素的关系基本上可用现有模型预测。
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。
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。
After the comparison of the load-transfered capacities in the same section with different crack width, it is found that the wider the crack is the poorer load-transferred capacity will be.
通过同一截面不同裂缝宽度下传荷能力的比较发现裂缝宽度越大传荷能力越差。
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