The paper briefly narrates the reasons for mass concrete crack, prediction of crack, field control, material selection and curing of concrete.
简述大体积混凝土裂缝产生的原因，裂缝预测，现场控制，材料选择，混凝土的养护。
Mass concrete is easy to crack in construction.
大体积混凝土施工中容易产生裂缝。
A big technical problem for mass concrete structures during pouring is how to control crack expansion.
大体积混凝土在浇筑中的一个重要技术课题是控制裂缝扩展。
Temperature crack control of mass concrete is an important subject in construction.
大体积混凝土的温度裂缝控制是施工中的一项重要课题。
The crack problem of the mass waterproof concrete transmitted by pumps, has been the keystone to resolve and discuss for the construction industry actively.
泵送工艺施工的大体积防水混凝土工程的裂缝问题，近年来一直是工程界积极探讨解决的重点。
A large number of project experience have shown that thermal stress and ice expansive pressure are the primary factors which cause mass concrete aqueduct to crack and wreck.
大量工程实践证明，温度应力、冰膨胀力是引起大体积混凝土渡槽结构出现裂缝和发生事故的主要原因。
Nowadays, the thermal release speed of the cement is comparatively much faster than that in the past, this makes the thermal crack problem of the large mass concrete more outstanding and common.
目前所生产的水泥放热速度较过去大为提高，这使得大体积混凝土的温度裂缝问题日益突出，已成为普遍性的问题。
According to engineering practice, the article discusses and analyses the crack for temperature action of mass concrete, and sums up some technical measures to be taken for crack resistance.
结合工程实践对大体积混凝土温度裂缝作了详细的分析和探讨，并总结出几项防止裂缝的技术措施。
In order to prevent the crack of concrete, many mass concrete takes dry shrinkage as an important index of crack resistance.
为了防止混凝土发生裂缝，许多大体积混凝土在设计中提出抗裂要求，干缩是混凝土抗裂能力的重要指标。
Control of crack on mass concrete in plateau is a new problem to be studied.
高原中体积混凝土的裂缝控制是目前国内外工程界面临的新课题。
The mass concrete construction method for the equipment foundation in BX steel POSCO cold rolled sheet plant and technical measures for controlling its crack development were introduced in this paper.
介绍了本钢浦项冷轧薄板厂大体积混凝土设备基础的施工方法，以及控制其裂缝开展的技术措施。
Effective reference is provided in the paper for accurately analyzing the problem of crack prevention under construction of mass reinforced concrete.
本文的研究结果为精确分析大体积钢筋混凝土施工期的温控防裂问题提供了有效参考。
The thermal crack problem of the mass concrete is very complicated, and correlative with structure, building material, construction, rock, circumstance, and so on.
大体积混凝土温度裂缝问题十分复杂，涉及到结构、建筑材料、施工、岩土、环境等多方面因素。
Thus, crack control must be considered while a large mass concrete structure is in construction.
因此大体积混凝土在施工中必须考虑裂缝控制。
The criterion can provide us reliable of valid experimental basis on crack resistance design and stage curing of mass concrete.
为大体积混凝土的抗裂设计及阶段性养护提供可靠的实验依据。
HBC dam concrete is a new dam concrete with low-heat and high crack resistance, and is expected to be widely used in the mass concrete projects of water resource engineering.
HBC大坝混凝土是一种可望在水工大体积混凝土工程中推广应用的低热高抗裂大坝混凝土。
This paper analyzes the causes and preventive measures of temperature crack, starting from the features of mass concrete construction and taking practical projects as examples.
从大体积混凝土施工的特点出发，结合实例，分析温度裂缝产生原因和防治措施。
Aimed at the general reason of cracks of mass concrete, the calculation of temperature and the analysis of crack were made.
针对大体积混凝土裂缝的原因，进行了温度计算和抗裂分析。
The general reason of cracks of mass concrete is introduced, it gives the calculation of temperature and the analysis of crack.
针对大体积混凝土裂缝的原因，进行了温度计算和抗裂分析。
The mass concrete structures are applied more and more abroad in engineering project, the problem of the crack which is caused by temperature change is puzzled people always.
大体积混凝土结构在工程中的应用越来越广泛，由于温度变化而引起的裂缝是长期困扰人们的问题。
Surface protection is one of the effective measures for surface crack prevention. of mass concrete.
表面保护是防止大体积混凝土表面温度裂缝的有效措施。
The measures of crack control in mass concrete of cap influence the quality of the bridge and service period directly.
大体积混凝土承台裂缝控制措施好坏直接影响到桥梁质量及后期工作。
The measures of crack control in mass concrete of cap influence the quality of the bridge and service period directly.
大体积混凝土承台裂缝控制措施好坏直接影响到桥梁质量及后期工作。
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