大体积砼裂缝问题是建筑工程中的一项质量通病。
It is common quality failing for constructional engineering to initiate cracks within large blocks of Concrete.
本文论述了大体积砼冬期施工方法及砼裂缝的控制。
On quality control of mass concrete construction of a project;
大体积砼的施工中出现最多的问题是温度应力导致的裂缝问题。
The problem, which occurs most often in the construction of large volume concrete, is the problem of cracking caused by temperature stress.
大体积砼水化热裂缝虽然不可避免，但是通过合理手段是可以控制的。
Though the crack of big-volume concrete is not avoid, using reasonable method can control it.
文章针对大体积砼产生裂缝的控制，论述了钢筋砼承受变形应力的特点。
According to the control of cracks in large concrete, this paper discusses the characteristics of reinforced concrete under deformation stress.
文章重点介绍了寒冷地区侯家沟大桥承台大体积砼施工技术方案及实施工艺。
This paper focuses on the construction technology program of mass concrete of Houjiagou Bridge cap in cold regions and the implementation.
本文通过对大体积砼裂缝成因的理论研究，提出了合理的裂缝控制的设计和施工措施。
Based on the theoretical study, the reasonable design and construction ways are presented for crack control.
本发明涉及大体积砼的浇注工艺，特别涉及水上基坑内坞口的大体积砼的浇注工艺。
The invention relates to a casting process for large-volume concrete, in particular to a casting process for large-volume concrete of a dock entrance of a foundation pit in water area.
针对大体积砼基础施工中容易产生裂缝的问题，本文结合具体实例论述了避免产生裂缝的施工措施。
In view of the possibity of cracks in construction of large volume concrete basement, some measures against the cracks in practical examples are discussed.
本文分析了裂缝形成的原因，对设计、材料、施工等方面提出一些预防大体积砼裂缝的想法及处理措施。
The paper analyses causes for crack initiation, and suggests some measures to prevent and control crack initiation in aspects of design, material and construction.
经试验表明，在砼中复合掺加膨胀剂和高效减水剂，可制得强度等级为C30，抗渗等级P＞25的大体积防水砼。
Large volume waterproof concrete with C30 strength grade and seepage resistance P>25 can be mixed by adding expansion agent and reduce-water agent.
经试验表明，在砼中复合掺加膨胀剂和高效减水剂，可制得强度等级为C30，抗渗等级P＞25的大体积防水砼。
Large volume waterproof concrete with C30 strength grade and seepage resistance P>25 can be mixed by adding expansion agent and reduce-water agent.
应用推荐