Experimental study on compensating shrinkage concrete of in-situ deck wet-joint 补偿收缩混凝土在桥面现浇湿接缝的试验研究
Based on the insufficiency of existing expansive admixture in compensating shrinkage of the mass concrete, a double expansive resources admixture is introduced. 本文分析了现有膨胀剂在补偿大体积混凝土收缩方面的不足,介绍了一种双膨胀源膨胀剂。
The mechanisms of shrinkage compensate concrete, the application in the deck pavement of Badong Highway bridge on Yangtze River, effects on the performance of compensating shrinkage concrete and the events in construction are introduced. 介绍了补偿收缩混凝土的作用机理,并阐述了膨胀剂对混凝土性能的影响,在巴东长江公路大桥桥面铺装层的应用实例以及实验及施工中应注意的问题。
Increasing autogenous volume expansive deformation for compensating thermal shrinkage deformation of concrete may improve crack resistance. 提高混凝土的自生体积膨胀变形量补偿混凝土的温度收缩变形,对于混凝土抗裂很有意义。
The application of expansive agents in compensating shrinkage of concrete 浅谈膨胀剂在混凝土补偿收缩方面的应用
The Shrinkage Compensation Coefficient y is proposed for quantitatively estimating the effectiveness of die expansion at early age compensating the shrinkage at later stage. 提出以收缩补偿系数γ来定量描述补偿收缩混凝土早期膨胀对后期收缩的有效补偿能力。
Research of double expansive resources admixture compensating temperature shrinkage of mass concrete 补偿大体积混凝土温度收缩的双膨胀源膨胀剂的研究
At last, based on the research and analyses, this paper gave the measures of compensating and controlling the merchandise concrete shrinkage. 最后,通过收缩机理研究分析,给出混凝土收缩的补偿控制措施。
According to the deformation characteristic, Reducing concrete shrinkage and seismic behavior are practiced, and are proved by Applying of compensating shrinkage steel fiber reinforced concrete on the rigid roofing. 根据刚性防水屋面的变形特性,对减少砼的收缩和抗震性进行实践和论证。
By applying compensating shrinkage concrete in wharf face slab, the restraint on slab concrete is reduced and the concrete crack can be cut down or eliminated. 在码头面层中引入补偿收缩混凝土,减少基体对面层的约束,可以做到面层少出现或不出现裂缝。
In the control of temperature difference it shall fully use the temperature compensating effect of compensating shrinkage concrete, and shall correctly calculate that the re-lative parameters should be basically close to the actual ones. 在温差控制中,应充分利用补偿收缩混凝土的温度补偿效应,并准确计算相关参数基本与实际相近;
It is very important for reducing and compensating concrete shrinkage and preventing cracks forming to construction and curing. In the condition of compensating for econmic urban land utility, the urban planning should suit the attribute of urban land. 施工和养护对混凝土抗裂防渗性能有重要影响;在城镇土地有偿使用的条件下,城市规划应该尊重城市土地的经济属性。
Applying if Compensating Shrinkage Steel Fiber Reinforced Concrete on the Rigid Roofing 补偿收缩钢纤维混凝土刚性防水屋面应用
Application of compensating shrinkage concrete in reducing the cracks of concrete 补偿收缩混凝土防裂技术措施的研究与应用
In this paper, we will introduce a kind of compensating and shrinkage concrete with two functions of anti crack and leak prevention and its application in structure self-waterproof project of the basement and floor 本文介绍了具有抗裂防渗双功能的补偿收缩混凝土及其在地下室和屋面结构自防水工程中的应用
Adopting the routine concrete's producing technologies of high strengthening, compensating contraction and self-compacting, develops the high strength and low brittleness recycled concrete, mini-dry shrinkage and high strength recycled concrete and large fluidity and high strength recycled concrete. 借鉴常规混凝土的高强化技术、补偿收缩技术和自密实技术,开发出了高强低脆再生混凝土、微干缩高强再生混凝土和大流动性高强再生混凝土。
Research on compensating shrinkage of high strength concrete incorporated with expansive admixture Application of Bulk Compensating Shrinkage Concrete in Practical Engineering 引入膨胀剂的高强混凝土的收缩补偿研究提高二灰碎石路基基层早强性能的研究与应用
It is for the first time to use the compensating& shrinkage concrete technique for the construction of a large airport domestically. 这是补偿收缩纤维混凝土新技术第一次应用于国内大型机场的建设。
Compensating Shrinkage of Cement Paste by New MgO-Based Expansive Material 新型镁质膨胀材料对水泥浆体收缩的补偿