Application of fine sulphur concrete and mortar pro- portioning to the temporary bearings of bridge;
细石硫磺混凝土及砂浆配制在桥梁临时支座上的应用
The paper discusses the application of sulphur concrete in reinforcing pile helmet of static load test and, based on the project item practice, introduces the construction and manufac-turing technique of pile helmet.
本文论述硫磺混凝土在竖向抗压静载试验桩顶加固(亦称桩帽)中的应用,并结合工程实践介绍其构造和制作工艺。
In this paper the price variation of sulfur in the world from 1970 to 2003 and research situations and ap-plication effects of sulfur concrete and sulfur asphalrt in many institutes abroad are reviewed.
概述了 2 0世纪 70年代初至 2 0 0 3年世界硫磺价格的变化和国外多家研究机构对硫磺混凝土和硫磺沥青的研制情况及应用效果。
The actuality and prospect of polymers modified concrete;
聚合物改性混凝土的现状与展望
The mechanical property and the durability of SD622S polymer modified concrete were studied.
通过大量的试验系统地探讨了羧基丁苯聚合物改性混凝土的强度、韧性及耐久性能,并进行了经济性分析,结果表明:相对于普通混凝土,羧基丁苯聚合物改性混凝土的路用力学性能、耐久性能较好,性能价格比较高;微观结构分析表明:羧基丁苯聚合物在混凝土中交织成网状胶膜,增大了水泥比表面积,从而使水泥水化反应更充分,微应力更分散,故混凝土的强度得到提高,耐久性得到改善。
Third,through physical property experiments of 120 specimens,this paper has studied physical property of three kinds of modified concretes,which included cube compressive strength,axial compressive strength,axial tensile strength and static elasticity modulus of modified concretes,chosen reasonable the mass concrete mix.
本文通过在混凝土内加入多种掺合料配制改性混凝土,以提高混凝土本身的抗裂能力,解决大体积混凝土中普遍存在的温度裂缝问题。
A review with 24 references is given on the application of vacuum impregnation in casting parts,modification of concrete and resin transfer molding including basic principle,advantages,kinds of impregnation agent,impregnation device and technological process.
侧重介绍了真空浸渍技术在铸件后续处理、混凝土改性和聚合物辅助成型等材料加工制备中的应用,其中包括它们的基本原理、技术优势、浸渍剂种类、浸渍设备与装置以及工艺流程等,展望了其应用前景。
Experiment Study on Crack Resistance of Flexible Fiber Reinforced Concerete Beams
柔性纤维改性混凝土梁抗裂性能试验研究
Experimental Research on Corrosion Mechanics of Modified Concrete in Dirty Water;
改性混凝土耐污水腐蚀机理和性能试验研究
Road Transformation by Repaving a Modified Asphalt Concrete Cover on Old Cement Concrete Pavement
旧水泥混凝土路面加铺改性沥青混凝土面层的道路改造应用
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。
polymer modified glass fiber reinforced concrete
聚合改性玻璃纤维加强混凝土
A study on improvement of properties of aerated concrete by use of admixtures
掺外加剂改善加气混凝土性能的研究
Fractal Study on the Modification Mechanism of Fiber-enhanced Asphalt Concrete;
纤维沥青混凝土改性机理的分形研究
Study on Hydrophilic Modification of PP Fiber Application in the Concrete Fields
混凝土用聚丙烯纤维料亲水改性研究
Overview of research on crumb rubber in mortar and concrete
橡胶改性水泥混凝土(砂浆)的研究综述
Preliminary study on improving the wave-transparent properties of the concrete materials
改善混凝土材料透波性能的初步研究
Way for improving the plastic shrinkage of wharf surface concrete
改善码头面层混凝土塑性收缩的方法
Research on Performance Improvement of Confined Recycled Aggregate Concrete
约束作用对再生混凝土性能改善研究
Teaching Reform on Reinforced Concrete Structures
地方性院校《混凝土结构》教学改革探索
Construction of Superpave-13(SBS) modified asphalt concrete
Superpave-13(SBS)改性沥青混凝土的施工
Quality Control of SBS Modified Asphalt Concrete Pavement
SBS改性沥青混凝土路面质量控制
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
Correlation of Ultrasonic and Stress of Polymer Modified Cement Concrete;
聚合物改性水泥混凝土声—应力相关性试验研究