钢筋混凝土

A water-filled joint element is developed to simulate the limited cooperation between reinforced concrete lining and surrounding rock; and an equivalent method is adopted to develop the program, The reinforcement stress and the rock stresses in hydraulic tunnel with inner water exosmosis are calculated.

计算衬砌渗透系数，引入反映钢筋混凝土衬砌与围岩有条件联合承载特性的充水夹层单元模型，采用等效耦合分析方法，对水工隧洞内水外渗条件下的衬砌钢筋应力和围岩应力状态进行了计算分析。

These mentioned factors greatly influence the mechanical behavior and the load carrying capacity of reinforced concrete beams. On the base of finite element software ANSYS, flexural behavior of corroded reinforced concrete beams are studied.

本文借助于ANSYS有限元程序，对锈蚀钢筋混凝土梁的受弯性能进行了研究，主要工作和成果有：采用有限元程序模拟钢筋的拉伸试验。

The main diagonal strut-tie model, rhombic reinforcement truss model and stirrup truss model which working together in shear-bending moment resistance mechanism are also presented based on research of the experiment specimen's behavior.

本论文在这类构件抗震受力特征分析及钢筋混凝土剪弯交变作用构件中组合受力特征分析的基础上提出了以对角交叉斜筋及菱形钢筋为主要配筋的"综合斜筋"小跨高比连梁设计方案。

Also studied is the effect of the pH value on the open circuit potential.

文章研究了在模拟钢筋混凝土孔隙液中，钢筋发生腐蚀与Cl质量分数之间的关系及pH值对腐蚀电位的影响。

Corrosion of reinforcement in concrete is one of the main factors affecting the durability of reinforced concrete structures.

钢筋腐蚀是影响钢筋混凝土结构耐久性的主要影响因素之一，且造成的危害巨大。

The flexural capacity, deformation and failure modes of beams with different parameters can be analyzed using the program, such as types of plan and prestressed tendons(extrenal prestessed tendons, internal unbonded prestressed tendons, internal bonded prestressed tendons), jacking and effective stress in external prestressed tendons, configuration of the deviators, properties of tendon, ratio of span to effective depth of the beam and load pattern, initial loading state at tendon jacking, etc.(3) Nonlinear behaviors of the concrete beam prestressed with external or internal unbonded tendons were studied by the program developed.

本程序可以对任意截面型式的预应力(体外预应力筋、体内无粘结预应力筋、体内有粘结预应力筋)混凝土梁和普通钢筋混凝土梁进行非线性全过程数值分析计算，程序可以就转向块的布置方式、体外预应力筋纵断面形状、体外筋有效预应力的大小及材性、张拉预应力筋时梁的持荷状态等因素对体外预应力混凝土梁在外荷载作用下的强度、变形特征、破坏模式等的影响进行分析研究。

It may be of timber or of steel joists encased in concrete, of reinforced concrete or plain concrete without reinforcement.

它可以用木料或埋在混凝土里的钢梁，也可以用钢筋混凝土或不配筋的素混凝土。

Analysing the influences of inherent stress to service behavior of the short concrete filled steel tube, get the series curves of short compression column with inherent stress.

钢管混凝土是将混凝土填入薄壁钢管内而形成的组合材料，是介于钢和钢筋混凝土之间的一种新型结构。

This thesis sums up the study of the reinforced concrete flat-beam framestructures, pseudo-dynamic test, the steel-fiber concrete and generalizes theperformance of the steel-fiber concrete and its influence to the seismic resistance ofthe frame.

本文总结了国内外对钢筋混凝土扁梁框架结构、拟动力试验和钢纤维混凝土的研究，概括了钢纤维混凝土的性能及其对框架抗震性能的影响。

The microstructure of the concrete is changed after FRT.

采用扫描电镜分析了混凝土的微观结构，结果表明，再碱化后，钢筋混凝土的粘结强度得到明显提高；电流、碳酸钠溶液浓度以及再碱化时间时再碱化后的粘结强度有显著影响；混凝土的微观结构发生了改变，孔隙率减小，有利于粘结强度的增加。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。