A normal approach is analyzed to measure concrete remoulding effort according to the theory of fluid rheology.
利用流变学理论对混凝土和易性的行规测定方法进行了分析。
Micro-mechanism of static and dynamic strengths for saturated concrete;
饱和混凝土静动力抗压强度变化的细观力学机理
The experimental results show that the tensile strength of saturated concrete was lower than that of the dry concrete under low loading rate but was larger under high loading rate.
利用大型液压伺服试验机研究了不同加载速率下饱和混凝土与干燥混凝土的劈拉强度变化情况,试验研究表明:在准静态加载时,与干燥的混凝土相比饱和混凝土的劈拉强度有所降低,随着加载速率的升高,饱和混凝土的的动态劈拉强度有较大的提高。
A model is presented to describe the effects of pore water on the elastic properties of saturated concrete.
为了研究饱和混凝土中的孔隙水压力对混凝土力学性能的影响,根据饱和混凝土的微观结构建立了研究饱和混凝土力学性能的理论模型,利用夹杂、等效弹性模量的思想和Mori-Tanaka方法研究了饱和状态时孔隙水对混凝土弹性模量的影响。
Analysis of influence of flag on the workability and strength of concrete
矿渣粉对混凝土和易性及强度影响的研究
Working property and strength of the concrete mixed with Iron ore gangue
铁尾矿砂混凝土的和易性与强度特点
Workability of concrete prepared with different recycled coarse aggregates replacement rate
不同取代率再生粗骨料混凝土的和易性
Development and Application of High Performance Concrete and Ultra-high Performance Concrete
高性能混凝土与超高性能混凝土的发展和应用
(2)The water-cement ratio has great influence on the strength of the high performance concrete as the same as the ordinary concrete.
(2) 高性能混凝土和普通混凝土一样,水胶比对混凝土强度影响大。
Seismic Vulneralbility Eatimation Analysis of Reinforced Concrete Bridge;
钢筋混凝土梁式桥的地震易损性分析
It can improve the workability, pumping properties and early strength of the concrete.
使混凝土的和易性、泵性均得到明显的改善，可提高早期强度。
Discussion on characteristics of high strength fly ash concrete and concrete with ground slag
浅谈高强粉煤灰混凝土和矿粉混凝土的性能
Strength and Deformation of T-shaped Columns with Confined Concrete
混凝土T形柱中约束混凝土的强度和变形特性
Key words： reinforced concrete、 concrete、 high performance concrete、 cement concrete、 pozzolanic effect、 mass concrete.
关键词：钢筋混凝土、混凝土、性能混凝土、高强混凝土、泥混凝土、生骨料混凝土、体积混凝土。
The Analysis of High Performance Concrete Durability and the Method of Evaluation
高性能混凝土耐久性分析和评定方法
Experimental Study on Ductility and Toughness of HDPE-Pipe Concrete
HDPE管混凝土延性和韧性的试验研究
Several Problems And Solving Measurement In Concrete Frame Design
混凝土框架设计中易被忽视的问题和解决措施
The Research on the Performance of Artificial Sand High Performance Concrete and Natural Fine Sand Concrete
人工砂高性能混凝土和天然细砂混凝土的性能研究
Study on Crack and Freeze-thaw Resistance of Hybrid Fibers Reinforced High Performance Concrete;
混杂纤维高性能混凝土抗裂和抗冻融性能研究
Research in Seismic Behavior Compared Concrete Filled Square Steel Tubular with Concrete Filled Circular Steel Tubular;
方钢管混凝土和圆钢管混凝土结构抗震性能对比研究
Nonlinear Numerical Simulation of Prestressed Concrete and Reinforced Concrete Beam Based on ANSYS;
基于ANSYS的预应力混凝土和钢筋混凝土梁的非线性数值模拟
An Experimental Study on Hysteretic Behavior of Reinforced Concrete Transnomal Short Columns and Steel Reinforced Concrete Transnomal Short Columns;
钢筋混凝土超短柱和型钢混凝土超短柱滞回性能试验研究