本文结合工程实例,对楼板的温度裂缝进行了有限元分析,并提出了一些预防裂缝的建议。
In this thesis based on engineering examples, some Suggestions were put forward to control crack by finite element analysis of floor slabs.
并结合实例分析了裂缝的产生原因及处理方法。
Combined with the example of the analysis of crack causes and solutions.
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.
结合扬泰地区工程实例,分析了沥青路面两类早期非荷载疲劳裂缝产生的原因和开展形式,并提出工程防治措施。
Based on the practical engineering in Yangtai region, analysis is made on the causes of formation of the non-loaded fatigue crack early in asphalt pavement, and given the preventions.
采用虚拟裂缝模型结合线弹性断裂力学的方法,分析了RPC(活性粉末混凝土)及纤维增强RPC的断裂特性;
The fracture properties of RPC(Reactive Powder Concrete) and fibre RPC are analyzed by the Fictitious Crack Model(FCM) and the linear elastic fracture mechanics.
本文结合工程实际,用混凝土弹性理论对温差收缩引起的裂缝进行分析,并提出预防和处理措施。
The shrinkage cracks caused by difference in temperature are analysed using elasticity theory and relating to project practices, and the prevention and treatment measures are proposed in the paper.
结合工程实践,通过对以往工程单管式钢筋混凝土烟囱筒壁裂缝产生的机理分析,提出了提高烟囱耐久性的途径。
Combined with project practice and based on mechanism analysis about pipe wall cracks in former single pipe style reinforcement chimney how to enhance methods of chimney durability is given.
运用体积开裂概率分析了大体积混凝土结构的抗裂可靠性,并结合有限元法对控制裂缝设计与施工进行了研究。
The paper analyses the anti cracking reliability in massive concrete structure with the concept of overall crack probability, presenting the cracking control design and construction combined with FEM.
通过成像测井资料并结合地质资料和常规测井资料分析,对16井区火山岩裂缝性储层有效性和渗透性进行了评价研究。
Based on the EMI data, geologic information and conventional logging data, the validity and permeability of the fractured reservoirs in the volcanic rocks of the area of Gu-16 well are evaluated.
以神经网络为基本工具,利用其强大的非线性映射能力,并结合有限元法动力分析成果,为预测在复合射孔条件下岩层裂缝扩展深度提供了一条新的途径。
By using ANN and its powerful nonlinear mapping ability and combining production of FEM dynamic analysis, a new way to predicting terrane crack depth of complex fire hole is offered.
结合对考虑拼接缝的既有隧道管片受力状态的分析,找到裂缝隔片产生在连接块上的重要内在原因。
Combined with the analysis of original stress state of existing tunnel considering segment joints, the important internal causes of crack are found out.
应用联合有限-离散元法结合弥散式旋转裂缝模型分析了地震作用下混凝土重力坝动力破坏过程。
This paper uses the combined finite-discrete element method with smeared rotating crack model to analyze the seismic rupture process simulation of concrete gravity dam under the action of earthquake.
最后结合掺氧化镁混凝土的抗拉强度试验曲线,根据数值模拟结果,对长沙拱坝的裂缝成因进行了初步分析。
At last, the causes of cracks of Changsha arch dam are given based on the numerical simulation results together with the strength curves of experiment of MgO concrete.
对于带缝运行的水工混凝土结构,用小波分析和突变理论相结合的方法,建立裂缝转异诊断模型。
An abnormality diagnosis model was developed for hydraulic concrete structures operating with cracks occurring in their bodies by use of the wavelet analysis and cusp catastrophe theory.
文章结合试井分析,确定了裂缝几何尺寸和裂缝导流能力,对低渗油田某井建立了数值模拟模型。
In combination with the well test analysis, the fracture geometry and conductivity are calculated and a numerical simulator is built for a real well in a low permeability oilfield.
结合工程实践对大体积混凝土温度裂缝作了详细的分析和探讨,并总结出几项防止裂缝的技术措施。
According to engineering practice, the article discusses and analyses the crack for temperature action of mass concrete, and sums up some technical measures to be taken for crack resistance.
结合某电厂碎煤机楼的工程实际情况,对在动力荷载作用下可能引起填充墙体裂缝的原因进行了分析,并通过方案比选提出了该实际工程裂缝的处理措施。
Combined with practical works of coal-breaker house in one power plant the production of cracks on filler wall is analyzed, which probably caused by dynamic load.
本文以高粘性沥青为结合料,主要对以下四方面内容进行了研究:首先,用有限元方法计算分析应力吸收层防治反射裂缝效果。
Based on high viscous asphalt, this paper mainly studied the following four topics: Firstly, FEM (finite element method) was used to analyze the effect of stress absorbing layer.
结合工程实际中遇到的情况,对早期裂缝的成因进行了分析探讨,介绍了防止早期裂缝的技术措施,从而控制裂缝发生,确保建筑工程质量。
According to practical situation in project, causes of early cracks are analyzed, and its technical prevention measures are proposed to control cracks and ensure project quality.
第二,通过对旧水泥稳定碎石破碎后结构层强度损失和抵抗反射裂缝能力的分析,以及结合国内外研究资料,提出破碎层颗粒粒径范围。
Secondly, by analyzing the loss of strength in the base and reflection crack occurs, combining research data in and abroad, the size of broken stones was proposed.
并分析了待定权函数系数的求法,即结合有限元计算混合型裂缝应力强度因子方法求出待定的权函数系数,继而得到了矩阵型权函数。
The method to get the constant coefficients of weight functions is also analyzed, which is based on the SIFs by finite element method.
从大体积混凝土施工的特点出发,结合实例,分析温度裂缝产生原因和防治措施。
This paper analyzes the causes and preventive measures of temperature crack, starting from the features of mass concrete construction and taking practical projects as examples.
在简要总结分析国内外砌体裂缝的性质和裂缝控制原则及措施的基础上,结合我国当前国情,针对性地提出了砌体结构裂缝控制的具体构造措施和建议。
Based upon brief summary and analysis of the properties of cracks in masonry structure and relative control principle and measures practical construction measures are proposed for cracks control.
根据微观薄片分析,结合岩心与地表露头资料,对邛西构造须二段特低渗透砂岩储层微观裂缝的类型、特征、期次及其参数分布进行了研究。
The types, characteristics, ages and parameters of the microfractures in T3x2 of Qiongxi structure are studied through microscopic thin section analysis and in combination with core and outcrop data.
为进行连续介质到非连续介质转化的数值模拟,实现结构破坏过程的仿真分析,将固定和旋转的弥散裂缝模型与变形体离散元方法结合应用于混凝土、岩石等准脆性材料的受拉开裂过程分析。
Fixed and rotating smeared-crack models based on a deformable distinct element method were developed to analyze the fracture of quasi-brittle materials such as concrete and rock under tension.
因此针对采集到的裂缝图像特征,提出类判别法与数学形态学结合的方法对裂缝进行定量分析。
Aimed at the features of crack image the combined method of category discriminance and mathematical morphology, which is a quantification analysis method, is proposed.
本文结合岩心、测井等资料,对塔中裂缝的密度、开启程度、孔隙度、渗透率、连通性与裂缝间距等参数进行了分析与评价。
Based on the core and logging data, this paper analyses and evaluates density of seams, opening degree, porosity, permeability and seam spacing in the Tazhong area.
结合省内外连拱隧道所产生的裂缝展开讨论,对连拱隧道的裂缝进行了数值分析,针对原因提出合理建议,同时谈了几点体会。
The paper discussed the numerical analysis of multi-arch tunnel cracks, and proposed some advice for the cracks cause.
裂缝检测与图像分析中的边缘检测有许多相似之处,因此,能够借助某些边缘检测理论并结合实际地震资料形成有效的裂缝检测方法。
Fracture detection is similar with boundary detection in image analysis. Therefore, using boundary detection theory and real seismic data can form effective fracture detection way.
裂缝检测与图像分析中的边缘检测有许多相似之处,因此,能够借助某些边缘检测理论并结合实际地震资料形成有效的裂缝检测方法。
Fracture detection is similar with boundary detection in image analysis. Therefore, using boundary detection theory and real seismic data can form effective fracture detection way.
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