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。
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.
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。
The paper briefly narrates the reasons for mass concrete crack, prediction of crack, field control, material selection and curing of concrete.
大体积混凝土裂缝是困扰建筑业多年的质量通病，如裂缝较多、较深，将直接影响结构安全。
Roughly amassing the concrete crack is the quality common failing that perplexs building industry many years, and will directly influence the structural safety if the crack is more and more deeply.
高层建筑厚板转换层施工有两个难点，一是荷载安全传递问题，二是大体积混凝土裂缝控制问题。
There are two difficult points in the thick plate transition layer of the high-rise building. The first point is the security of load transfer, and the second is the control of mass concrete cracks.
通过分析大体积混凝土裂缝成因提出了合理控制裂缝并采用环氧胶泥及砂浆修补混凝土大梁裂缝的措施。
Some rational measures to control cracks are proposed on the basis of the analyses of the cause of cracks.
分析了大体积混凝土裂缝形成的原因，从结构设计、材料选择和质量控制等方面，提出大体积混凝土裂缝的控制措施。
This text analyzed the reason and proposed the control measures of the cracks in large volume concrete from respects such as structure design , material selection and quality control , etc.
本文从分析大体积混凝土裂缝形成的原因入手，结合大型水池底板混凝土施工的工程实例，阐述大体积混凝土温度裂缝的控制。
Together with practice, the paper shows how to control thermal crack in large volume concrete by the cause of formation of crack.
大体积混凝土施工的一个特点是容易产生温度裂缝。
The temperature rift is a problem of easy occurring in large volume concreting.
在大体积混凝土施工中裂缝控制是一项较复杂的问题，但这一问题带有普遍性。
In large volume of cracks in concrete construction control is a more complex issue, but the problem with the universal.
文章主要通过研究目前铁路桥梁施工中大体积混凝土产生裂缝的原因，提出了必要的防治措施。
This paper puts forward necessary control measures mainly through the study on causes for cracks in large volume concrete in current railway bridge construction.
在大体积混凝土中掺入一定比例的粉煤炭可有效地防止混凝土裂缝。
It is effective to prevent concrete splitting open for coal ash to mix into big cubage concrete in proportion.
介绍了洋都家园基础大体积泵送混凝土在冬季低温条件下，如何防止裂缝出现的技术措施。
Combined with Yangdu home garden, how to the technology measures for preventing crack appearance of large volume pumping concrete under winter low temperature condition is introduced.
因此线弹性断裂力学可以很好地应用于大体积混凝土结构的裂缝稳定性分析和改进水工结构的设计方法。
Therefore, linear elastic fracture mechanics can be applied to stability analyses of cracks in mass concrete structures and to improving design methods of hydraulic structures.
因此，控制好内外温差和温度变形是防止大体积混凝土出现裂缝的重要方法。
Therefore well controlling of difference in temperature and temperature strain are important measures on concrete cracking control.
大体积混凝土在桥梁施工过程中，由于水泥水化热容易引起表面裂缝。
During the mass concrete construction in bridge structure, the cement hydration heat is easy to cause surface cracking.
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。
A big technical problem for mass concrete structures during pouring is how to control crack expansion.
大体积混凝土的温度裂缝控制是施工中的一项重要课题。
Temperature crack control of mass concrete is an important subject in construction.
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。
The crack problem of the mass waterproof concrete transmitted by pumps, has been the keystone to resolve and discuss for the construction industry actively.
为控制因温差导致的大体积混凝土基础底板裂缝，本文提出行之有效的应对措施。
In this paper effective measures are supplied on how to control crevice in large concrete baseplate caused by big temperature changes when building.
同时，大体积混凝土工程中因早期裂缝引起的结构失效和耐久性问题等也日益突出。
But this also leads to some problems, such as structure and durability failure in massive concrete structures, which were caused by the crack at early ages.
因此大体积混凝土在施工中必须考虑裂缝控制。
Thus, crack control must be considered while a large mass concrete structure is in construction.
对在原有厂房内、复杂场地土上的机床基础的支护方案选择，大型机井的设计与施工，大体积混凝土温度裂缝的控制与计算进行的阐述。
The choice of plan with the foundation of equipment in complex soil, The count & control with the crevice for temperature of bib concrete are also discussed.
大体积混凝土结构基础设计和施工中裂缝、预埋件等的控制是工程界的热点。
The design of the bulk concrete structure for foundation and control of the cracks as well as embedded parts in construction are focuses in the engineering circle.
如何防止温差裂缝，是大体积混凝土的技术关键。
How to prevent the cracks caused by temperature difference is the technical key to a mass concrete.
本文分析了大体积混凝土施工中裂缝产生的原因，从原料和施工两方面提出了裂缝防治的措施。
This paper analyzed reasons for the crevices in concrete constructing large area, and then presented (controlling) measures from two aspects of raw materials and construction.
通过在工程中实践，进一步证明本方法在大体积混凝土结构裂缝深度无损检测中的优势。
Through practices in the project, further proves this method in the mass concrete structural cracks depth lossless detection superiority.
通过在工程中实践，进一步证明本方法在大体积混凝土结构裂缝深度无损检测中的优势。
Through practices in the project, further proves this method in the mass concrete structural cracks depth lossless detection superiority.
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