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.
在大体积混凝土中，温度应力及温度控制具有重要意义，这主要是由于两方面的原因。
Temperature stress and temperature control possess the important meaning in the cardinal principle is amassed the concrete, and this chiefly is the reason owing to two aspects.
适用范围：除适用于上述范围外，还可适用于大体积混凝土工程。
Applicable scope: Except aforesaid scope, also applicable for large volume concrete project.
适用范围：一般工业、民用建筑及房地产、水利工程，尤其适用于大体积混凝土。
Applicable scope: Ordinary industrial and civil architecture, real estate, hydraulic engineering. Especially for large volume concrete project.
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.
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.
大体积混凝土的温度应力问题与温度控制要求在碾压混凝土坝中同样存在。
The problem of thermal stress and a need for temperature control in the mass concrete construction also occur in the roller compacted concrete dams(RCCD).
分析了施工时大体积混凝土的温度裂缝产生的原因，指出了控制温度裂缝的措施。
This paper analyses the cause of producing temperature crevice at concrete construction, and formulates the measures for controlling temperature crevice.
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.
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.
在高温天气如何保证要求高的大体积混凝土的施工质量是一个难题。
It is a difficulty to guarantee the high quality for bulk concrete construction in the high temperature weather.
介绍了南通市体育会展中心体育场环梁大体积混凝土的施工技术和经验。
Introduce the massive concrete construction technique and experience in annular beam of Nantong gymnasium meeting and exhibiting center.
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.
水闸墙体为高温高湿环境下的大体积混凝土工程，防渗、防漏要求高。
The floodgate walls act as concrete projects of big volume subjected to hostile environments such as high temperature and high dampness and pose a high anti-seeping and anti-leaking demand.
运用体积开裂概率分析了大体积混凝土结构的抗裂可靠性，并结合有限元法对控制裂缝设计与施工进行了研究。
The paper analyses the anti cracking reliability in massive concrete structure with the concept of overall crack probability, presenting the cracking control design and construction combined with FEM.
大体积混凝土温度控制要求严格，通水冷却是保证其施工质量的有效方法之一。
Mass concrete temperature control requirements are very strict and one of effective methods to ensure construction quality is water cooling.
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。
Based on the insufficiency of existing expansive admixture in compensating shrinkage of the mass concrete, a double expansive resources admixture is introduced.
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.
随着高层建筑与大型设备基础日益增多，大体积混凝土的应用也日益广泛。
With the increasing of high-rise buildings and large equipment, the application of mass concrete is increasing too.
文章以某综合楼的结构优化设计为例，主要介绍了柱下交叉条形基础大体积混凝土的施工要点。
Taking the optimized structural design in a complex building as an example, the article introduces the essentials in the cross strip foundation mass concrete construction.
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.
大体积混凝土的施工技术要求比较高。
本文重点介绍了四方台大桥主墩承台大体积混凝土冬季施工配比的设计。
The massive concrete proportion design for main pier bearing platform of Sifangtai Bridge in winter construction was mainly introduced.
而应用声波跨孔法进行大体积混凝土结构的深裂缝检测可有效地解决上述问题。
The application of inter borehole acoustic wave method to probing deep cracks in mass concrete can effectively solve the above mentioned problems.
本文主要介绍大体积混凝土的定义、裂缝及起因和防裂技术措施。
This paper mainly introduces the definition, crack and crack cause, and crack prevention technical measures of big volume concrete.
大体积混凝土在固化过程释放的水化热会产生较大的温度变化和收缩作用。
Releasing steam heat from the mass concrete structures while solidifying leads to produce the temperature change and contraction.
大体积混凝土在固化过程释放的水化热会产生较大的温度变化和收缩作用。
Releasing steam heat from the mass concrete structures while solidifying leads to produce the temperature change and contraction.
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