Several problems needing attention in the design of common concrete proportioning;
普通混凝土配合比设计中应注意的几个问题
The paper discussed the durability performance of high-admixture flyash concrete,by the contrast analysis with common concrete,it proved that high-admixture flyash could improve the durability performance of the concrete.
通过对高掺量粉煤灰混凝土的抗侵蚀性能、抗冻性、抗气渗透性与抗水渗透性、抗硫酸盐性这些耐久性能进行研究,并与普通混凝土进行对比分析,研究结果表明高掺量粉煤灰可以显著改善混凝土的耐久性能。
The experimental research on erosion and abrasion resistance properties of HF fly ash concrete and ordinary concrete;
HF粉煤灰混凝土与普通混凝土抗冲耐磨性能试验研究
The comparison between ordinary concrete and high-performance concrete in this paper was based on: characteristic index; materials; water-cement ratio; microstructure and macro-properties.
从特征指标、组成材料、水胶比、微观结构和宏观性能等方面分析普通混凝土与高性能混凝土的区别,并分析高性能混凝土的配制与耐久性的关系,最后阐明了高性能混凝土可持续发展的前景。
The workability of ordinary concrete can be improved distinctly by mixing PFAC into ordinary concrete.
在普通混凝土中掺入PFAC明显改善普通混凝土的和易性,且具有显著的缓凝作用,使混凝土坍落度的经时损失减小,随着PFAC掺量的增加,水泥净浆的初凝和终凝时间随之延长,混凝土早期强度下降的幅度也随之增大,PFAC对混凝土的后期强度有着显著的增强效应。
The research of the inspection technology in no damaging method of fired concrete;
高温后普通混凝土无损检测的试验研究
Study on Prediction of Common Concrete Strength by Artificial Neural Network;
基于人工神经网络的普通混凝土强度预测的研究
The experiments in which Φ37 pill penetrated the concrete target,the steel-fiber concrete target and nubbly corundum concrete target at 510m/s were conducted.
进行了Φ37弹着靶速度为510m/s时对普通混凝土、钢纤维混凝土和刚玉块石混凝土三种靶体的侵彻试验,分析了弹丸和三种混凝土靶体的破坏特征,得到了弹坑直径和侵彻深度等参数。
Anti-frozen performance comparison of recycled concrete and normal concrete;
再生混凝土与普通混凝土抗冻性能的比较
Effect of standard curing time during early stage on anti-carbonization capability of normal concrete;
早期标准养护时间对普通混凝土抗碳化能力的影响
The fracture performances of C80 high strength concrete and steel fibers high strength concrete have been tested;the fracture behaviors of them have been analyzed compared with normal concrete with several parameters.
通过对C80高强混凝土 (HSC)和钢纤维高强混凝土 (SFHSC)试件断裂性能的测试 ,分析两类混凝土断裂性能特性 ,并通过多指标与普通混凝土比较 ,总结HSC和SFHSC的断裂性能。
Adhesive of Rubberized Concrete to Common Concrete
橡胶混凝土与普通混凝土的黏结性能
Comparison between the Properties of Ordinary Concrete and Special Concretes
普通混凝土与特种混凝土的特性比较
EXPERIMENTAL STUDY OF CONCRETE COMPOSITE SLABS MADE OF CERAMISITE CONCRETE POST-POURED ON PRE-CAST ORDINARY CONCRETE
普通混凝土后浇陶粒混凝土迭合板的试验
(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。
The results showed that the strength of dolomite chip concrete is higher,and the modulus of elasticity is slightly higher than that of ordinary concrete.
结果表明 :石屑混凝土的强度比普通混凝土高 ,弹性模量略大于普通混凝土 ;
Technical requirements and test methods of sand for ordinary concrete
普通混凝土用砂质量标准及检验方法
Standard for test methods of mechanical properties of ordinary concrete
普通混凝土力学性能试验方法
Normal concrete small hollow block
GB8239-1997普通混凝土小型空心砌块
Standard for test methods of properties of ordinary concrete mixture
普通混凝土拌合物性能试验方法
Technical specification for mix proportion design of ordinary concrete
普通混凝土配合比设计技术规程
Influence of PFAC on Properties of Ordinary Concrete;
PFAC对普通混凝土性能的影响研究
Talk about the difference characters between high intensity concrete and ordinary concrete;
高强度和普通混凝土强度的差异分析
Some discussions on the durability design of ordinary concrete
对普通混凝土耐久性设计的一些探讨
Application of Limestone Powder in the Ordinary Concrete
石灰石粉在普通混凝土中的应用研究
Comparison Between Advantages and Disadvantages of High Performance Concrete and Normal Concrete for Donghai Bridge Close to Island Side
东海大桥近岛段工程高性能混凝土与普通混凝土优劣性对比
Smart dynamic concrete-exploration and practice in high-performance of low-grade ordinary concrete(Ⅱ)
智能动力混凝土——低强度等级普通混凝土高性能化的探索与实践(二)
Smart dynamic concrete-exploration and practice in high-performance of low-grade ordinary concrete
智能动力混凝土——低强度普通混凝土高性能化的探索与实践(一)
The road performance comparison of rubber cement concrete and common cement concrete
橡胶混凝土与普通混凝土路面路用性能预测对比