Experimental Study on Impermeability of Some Hydraulic Waterproofing Concretes 几种水工混凝土涂料抗渗性能试验研究
Reason on the appearance quality question of concretes prestressed T-beam and the project improvement measure 预应力T梁混凝土外观质量问题原因及改进
As one new compound materials, the steel textile fiber concretes already had the application in the road engineering, but not sees in the toll station cement road surface's application. 作为一种新型复合材料,钢纤维混凝土在道路工程中已经多有应用,而在收费站水泥路面中的应用并不多见。
The phenomenon of stiffness deterioration ( progressive damage) beyond the peak stress has been observed in cyclic loading tests of coals, rocks, concretes, soils and sands. 峰后的刚度劣化现象(渐进损伤)在多种煤、岩石、混凝土、土和砂子的循环加载实验中已被观察到。
Performance deterioration and corrosion behavior of reinforced concretes under synergistic effects of enviroment and load 钢筋混凝土在环境与应力协同作用下的性能劣化与腐蚀行为
Only limited determinations of these coefficients have been made for low-density concretes. 只有这些系数的限制了的确定值是用于低密度混凝土的。
Research on Dynamic Performance of Reinforcement Concretes Component by Enlargement Section Method 加大截面法加固混凝土构件的动力性能试验研究
Instead of dealing in abstracts you now have to deal in concretes. 你只好以处理具象的事物,取代处理抽象的事物。
Concretes of C30 and C60 were prepared with iron mine tailings as fine aggregate and coarse aggregate and with natural sand and common crushed stone separately. 分别以铁尾矿砂和铁尾矿石代替天然砂和普通碎石配制了C30和C60两个强度等级的混凝土。
The thermal conductivity of rice husk concrete and the influence rule on amount of rice husk coupling to the intension of concretes are researched furtherly. 研究稻壳混凝土的导热系数和不同的稻壳耦合剂对稻壳混凝土强度影响规律。
In recent years, the electrical conductivity of concretes has been paid more and more attention to. 近年来,在导电混凝土已经支付越来越多的关注。
Corrosion prevention of pretensioned structures is primarily accomplished through the use of high-performance concretes or the addition of corrosion-inhibiting admixtures. 要求结构防腐蚀主要依靠高性能混凝土和加钢筋阻锈剂来实现。
The concretes are one overall performance fine tradition building material, its efficiency, plastic and durable outstandingly. 混凝土是一种综合性能优良的传统建筑材料,其经济性,可塑性和耐久性尤为突出。
Effects of fibers and expansive agent on plastic shrinkage and cracking of concretes with high content mineral admixtures; 胶集比或水泥浆量对混凝土塑性收缩裂缝的影响与水灰比的情况相似。
Analysis of mechanics performance impact about fibrous material to gangue active powder concretes 纤维材料对矿渣活性粉末混凝土力学性能影响分析
The analysis of the reason for concretes bridge structure crack 浅析混凝土桥梁结构产生裂缝的原因
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
Research on the durabilities of concretes made from shaft kiln cement and rotary kiln cement; 水泥回转窑内温度测量是关系到水泥质量的关键问题。
Mechanical properties of reinforced asphalt concretes with different position grids 不同层位格栅加筋的沥青混凝土力学性能
Cause of Cracks of Tianjin Port High-pile Wharf Surface Layer Concretes and Its Control Measures 天津港高桩码头面层混凝土裂缝成因分析及裂缝控制技术措施
The effect of densified silica fume on low workability concretes under different water to binder ratio was studied. 在不同的水胶比条件下,考察了凝聚态硅灰对低工作性混凝土强度发展历程的影响。
Acid Rain Attack on Different Variety of Cement Concretes 不同品种水泥混凝土的抗酸雨侵蚀性能
The drying shrinkage and self-shrinkage of concretes with different water to binder ratios were studied. 实验研究了不同水胶比的混凝土干缩性能及自收缩性能。
Experimental study on thermal conductivity of the surface layer concretes 表层混凝土导热系数规律的试验研究
Freezing-thawing Durability of Carbonized Concretes Subjected to Multiple Damage Factors; Rescuing the race crisis was the basic reason. 多重因素作用下碳化混凝土的抗冻性这股热潮是多方面因素共同作用的产物。
Micromechanical Damage Model for Rocks and Concretes Under Triaxial Compression 三轴压缩下岩石/混凝土的三维细观损伤模型
In addition, newly developed low heat type cement and concretes with various mix were used in actual construction. 另外,施工中还大量使用了新型低热水泥,以及掺和各种混合料的混凝土。
Shrinkage retarder would alsoexert excellent early shrinkage retardation effects on concretes containing fly ash or mineral powder. 对掺粉煤灰或矿粉的混凝土,减缩剂同样具有优异的早期减缩效果。
The Toughness Test Studies of Fiber Concretes in the Wet Joint of Continuous Bridge Erected as Simple-supported Beam 先简支后连续梁桥湿接缝处纤维混凝土韧性试验研究
Building material including concretes, calcareous tuff and glass. 建筑材料包括混凝土、石灰华和玻璃。