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。
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。
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。
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。
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。
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。
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。
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。
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。
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。
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。
Viscosified acid has been shown to provide wider crack width and improved acid retardation over that from thin fluid when used in carbonate acidizing.
巳被增稠的酸显视出较宽的裂缝和更好的酸阻滞性能,这就比稀酸液用于碳酸(盐)的酸化效果更好。
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。
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。
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。
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。
Crack control is of great significance in reinforced concrete (rc) structures. but the control of crack width and length had not reached an ideal state as yet.
裂缝控制在钢筋混凝土结构工程中至关重要,但对于裂缝宽度、高度等的控制至今并没有取得理想的效果。
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%。
By the analysis of average crack spacing, the maximum cracks width, crack height of the reinforced beams. derived a maximum crack width formula for the reinforced beam.
通过对加固梁平均裂缝间距、最大裂缝宽度、裂缝高度等的分析,推导出了加固梁最大裂缝宽度计算公式。
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