• As for hydraulic tunnel lining concrete, thermal stress is one of important factors that cause concrete cracks, due to the heat of hydration of cement in the construction period.

    对于水工隧洞衬砌混凝土施工期由于水泥水化作用,温度应力影响显著,产生混凝土结构裂缝重要原因之一

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  • It was necessary and feasible to study the design to prevent reflecting cracks on the asphalt overlaid on the old cement concrete pavement.

    因此继续开展水泥混凝土路面加铺沥青面层防治反射裂缝设计方法研究必要而且是可行的。

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  • Mainly for the asphalt pavement cracks, pits and side issues such as eating, cement concrete pavement surface is also a serious breaking of the rupture and other issues.

    沥青路面主要表现裂缝问题水泥混凝土路面出现严重破裂问题。

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  • Based on analysis for reasons of cement concrete pavement inchoate cracks, it is important to present relevant prevention methods in mixture design and construction stage.

    分析水泥混凝土路面早期裂缝产生原因基础上,提出混合料组成设计阶段现场施工阶段应该采取的措施工程实践具有重要意义

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  • In mass concrete construction, the structural cracks by cement hydration heat will influence the durability and mechanical properties of concrete.

    大体积混凝土施工中由于水泥水化等多种因素产生混凝土结构裂缝影响混凝土耐久性能力学性能

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  • The influences of cement further hydration and water viscosity in pores and cracks on the elastic modulus of saturated concrete are taken into account in the model.

    模型考虑了影响水泥后期水化孔隙水滞力饱和混凝土弹性量的影响。

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  • How to prevent and delay the emergence of the reflective cracks effectively is the key to the asphalt concrete overlay on the old cement concrete pavement.

    水泥混凝土路面加铺沥青混凝土面层所面临关键如何有效抑止延缓反射裂缝的产生。

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  • For mass concrete construction, cement caused by hydration heat of concrete pouring temperature and internal stress of dramatic changes in temperature, is the main reason for cracks in concrete occur.

    对于大体积混凝土建筑水泥水化引起混凝土浇筑内部温度温度应力剧烈变化导致混凝土发生裂缝主要原因

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  • The reasons of such cracks of cement concrete are analyzed, and grouting is a good way to solve the problem. The mechanism of grouting is explained.

    本文通过分析水泥混凝土路面板由脱空引起混凝土裂缝原因,采取灌浆技术解决此类病害,并阐述了灌浆加固机理

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  • Cement concrete pavement, however damaged, broken boards, cracks, surface loss occurred from time to time, thus limiting its highway projects on a wide range of applications.

    然而水泥混凝土路面破损断板裂缝表面脱落现象时有发生,从而限制了公路工程广泛应用

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  • In the mass concrete construction in cement plants, cracks in the concrete may be controlled by reducing the hydration heat and cooling with water to control the internal and external temperature.

    水泥厂工程体积混凝土施工过程中,可以通过降低水泥水化热和冷却水冷却,控制混凝土内外温差等措施控制大体积混凝土有害裂纹产生。

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  • Temperature shrinkage is thought to be the main reason resulting the inchoate cracks in cement concrete pavement.

    指出温度收缩混凝土路面产生早期裂缝主要原因

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  • Impact compactor is a compaction machinery with high impact energy, which cracks the old cement concrete pavement to form a interlocking structure and be the cushion or sub-base of the new pavement.

    冲击压实机一种冲击能量机械通过破裂稳固混凝土路面,使路面形成嵌锁型结构成为铺路面的垫层基层

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  • Impact compactor is a compaction machinery with high impact energy, which cracks the old cement concrete pavement to form a interlocking structure and be the cushion or sub-base of the new pavement.

    冲击压实机一种冲击能量机械通过破裂稳固混凝土路面,使路面形成嵌锁型结构成为铺路面的垫层基层

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