My work can be summarized as follows: (1) According to the characteristics of crack on concrete structure, I realize the width measurement algorithm.
本文主要完成以下工作：1根据混凝土结构裂缝图像的特点，实现了混凝土结构裂缝宽度的测量算法。
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。
Based on the VOIGT REUSS model, stress changes of crack phase of reinforced concrete cylinder silo was analysed in the paper.
在VOIGT-REUSS模型的基础上，建立钢筋混凝土粮食筒仓壁开裂状态下的应力应变关系。
Based on analyzing the relations of degree of pre-stress to stress, deflection and crack of concrete beam, a design method is pro-posed.
在详细分析了预应力度同梁的应力、位移、开裂的关系的基础上提出了部分预应力混凝土梁的设计方法。
On the analysis of cause of crack in casting reinforcing steel bar and concrete board, countermeasures are put forward for reference.
通过对现浇钢筋混凝土板出现裂缝的原因分析，提出相应的预防和处理措施，供施工单位参考。
Mechanism for effects of polypropylene fiber on crack resistance of concrete was also discussed.
同时，探讨了聚丙烯纤维对混凝土抗裂性能影响的机理。
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 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。
A discrete crack model based on the extended finite element method (XFEM) was used to describe the nonlinear fracture of concrete gravity DAMS during earthquakes.
为了模拟重力坝在强震作用下的破坏过程，利用扩展有限元框架下的分离裂纹模型描述混凝土中的裂纹扩展。
Analysis is made on the cases of condense and crack of cement concrete pavement, and provided the preventions based on the practice.
通过对水泥混凝土路面收缩开裂原因的分析，从施工角度提出切实可行的防治措施。
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。
Based on the finite element analysis, the early crack condition of a cast-in-place reinforced concrete slab is evaluated by the crack resistant coefficient.
通过对钢筋混凝土现浇楼板的有限元分析，提出用抗裂系数来评价现浇楼板在早期的裂缝状况，并针对楼板的不同部位采用对应的裂缝评价标准。
Based on experience, the type of the concrete crack, main content, treatment limitation and principle of concrete crack are in detail discussed in this paper.
根据多年的工程经验，对混凝土结构裂缝的类型、裂缝鉴别的主要内容以及裂缝的处理界限和原则进行了详细阐述。
The conventional method for determining the first crack point of concrete in direct tension is greatly dependent on the judgment of idvidual.
目前采用的确定混凝土拉伸断裂初裂点的方法，受人为因素影响大。
According to the actual state of the supervision engineering, the characteristics of the crack on the concrete beam and slab was discussed by analyzing the nature attributes of the crack.
本文从混凝土梁板表面裂缝的自然属性切入，根据监理工程的实际状况论述裂缝的特征。
Based on the structural non load effect, the causes of common concrete structural crack in tall buildings are analysed. The control method of crack development is discussed.
从结构的非荷载效应着眼，通过对目前高层建筑砼结构中常见的裂逢成因分析，提出控制裂缝扩展的相应对策。
The paper puts forward the means for the control of plastic concrete crack based on the different reasons.
文章根据大坍落度混凝土裂缝产生的不同原因，提出了裂缝控制的措施。
Control of crack on mass concrete in plateau is a new problem to be studied.
高原中体积混凝土的裂缝控制是目前国内外工程界面临的新课题。
This paper discusses results of our experiments on the crack resistance of concrete and those of other reference.
本文讨论了我们对混凝土抗裂性的试验以及其他有关参考文献的试验结果。
Based on the fractal characteristic of concrete material, the relation between fracture toughness and height of crack zone is analyzed.
根据混凝土材料裂纹的分形特性，分析了混凝土的断裂韧度与裂纹带高度之间的变化关系。
The influence mechanism of the mixed fibre on crack resistance and bearing capacity of reinforced concrete beam are analyzed.
分析了纤维的掺入对钢筋混凝土粱的抗裂性能及正截面承载力的影响机理。
The studies based on the stress intensity factor of the front of crack, and the effect of bond and slip between steel and concrete were considered.
考虑了钢筋与混凝土的粘结滑移作用，以裂缝前端应力强度因子为判据，分析了裂缝的稳定性和钢筋的限裂作用。
In order to put the researcher's academic conclusions into the using in practical projects, an application on crack resistance of huge reinforced concrete cylindrical tanks is programmed.
为了使作者研究的理论成果在实际工程中得到应用推广，还编制了大型钢筋混凝土水池池壁裂缝控制系统程序。
The purpose of this paper is to apply GFEM to make a research on concrete crack problem, so find a new way to the numerical simulation of concrete structure crack.
本文旨在应用广义有限元法研究混凝土的开裂问题，为混凝土结构裂缝的数值模拟工作开辟一条新的途径。
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。
Based on the static experiment mentioned above, the research of stable crack growth process of concrete under fatigue loads was carried out.
在上述静载试验基础上，进行了疲劳荷载作用下混凝土裂缝稳定扩展过程研究。
Based on the practice, analysis is made on the formations of the pavement face plate of cement concrete, and given the preventions against occurrences of crack.
结合工程实践，分析了水泥混凝土路面面板破坏的原因，并提出了防治水泥混凝土路面裂缝形成的工程措施。
Based on the practice, analysis is made on the formations of the pavement face plate of cement concrete, and given the preventions against occurrences of crack.
结合工程实践，分析了水泥混凝土路面面板破坏的原因，并提出了防治水泥混凝土路面裂缝形成的工程措施。
应用推荐