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.
大体积混凝土基础施工的一个重要的技术课题是控制裂缝扩展。
One of the most important technology of the construction of the mass concrete base is to control the expand of cracking.
因此可以通过合理控制约束的范围、性质和强度以达到控制裂缝的目的。
Therefore, we can control the wall's cracks by controlling the restraint's range, properties and strength.
对构造配筋、设置应力释放带和使用微膨胀混凝土等控制裂缝的有效措施进行了讨论。
Reinforcing concrete wall, grooving a stress-release slot in basement wall and adopting tiny expansive concrete are good measures to control the cracking.
然后,通过对裂缝宽度和裂缝间距的分析,从设计、施工等方面提出控制裂缝的措施。
Then, through the crack width and crack spacing analysis, proposed control measures for cracks from design, construction, etc.
裂缝不仅是油气的储集空间,又是其渗流的通道,它更是控制裂缝性油藏产能大小的重要因素。
Fracture provides not only accumulation space for oil but also channels for migration of hydrocarbons. It is a key factor to control the production of fracture reservoir.
大体积混凝土结构的温度与收缩裂缝对混凝土结构具有破坏作用,控制裂缝的产生,十分重要。
Temperature and shrinkage crack of huge concrete can destruct concrete structure, so it is important to control the crack.
以试验结果为基础,提出了水池结构中裂缝宽度的计算公式及控制裂缝宽度的短钢筋的构造要求。
Based on the test results, the calculation formulas of the width in cistern structure are proposed, and the detailing requirements of short bars are advanced in order to control the crack width.
本文从建筑结构设计上来探讨了混凝土结构所存在的裂缝问题,并提出了控制裂缝的主要施工措施。
This article came from the structure design of concrete structure discussed the crack problem, and puts forward the main construction measures for crack control.
指出改进屋面保温隔热层、加强女儿墙砌体刚度、屋面板设置伸缩缝等是控制裂缝产生的有效措施。
Then controlling measures such as improving thermal insulating course, strengthening the masonry rigidity of the parapet, setting the expansion joint on the roof sheathing, etc.
岩性、岩层厚度、断裂作用、构造应力场、局部构造、地层负荷与岩溶作用是控制裂缝发育的主要因素。
Lithology, rock stratum thickness, fracture process, structural stress field, local structure, stratum load and karst process are all main controlling factors for the development of the rift.
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.
我们采用许用应力法设计,后计算变形,再用垫尖起拱抵消浇筑变形,并配套有效地控制裂缝的浇筑方法。
It is suggested that the load form should be designed by using permissible stress method and the calculation of deformation is carried out in this paper.
从结构的非荷载效应着眼,通过对目前高层建筑砼结构中常见的裂逢成因分析,提出控制裂缝扩展的相应对策。
Based on the structural non load effect, the causes of common concrete structural crack in tall buildings are analysed. The control method of crack development is discussed.
桥梁混凝土裂缝是桥梁施工中经常碰到的问题,采取有效措施预防与控制裂缝是在工程施工中所必须要解决的。
Bridge crack in concrete bridge construction is a frequently - encountered problem, how to Tate effective measures to prevent and control the cracks in the works must be resolved.
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.
对砼裂缝进行控制,就必须研究砼结构中裂缝产生的原因以及在实际的设计和施工过程中采取合理的、经济的措施来控制裂缝。
To control it efficiently, the causes for crack occurring and practical, economical measures in process of design and construction must be research and taken.
以混凝土结构设计规范(GBJ10—89)为基础。建立了强力钢筋做预应力筋的预应力混凝土结构用名义拉应力控制裂缝宽度的方法。
Based on the design code of concrete structure (GBJ10-89), the paper gives the nominal tensile stress method of controlling crack width in prestressed concrete structure of punchy bars.
结合工程实际中遇到的情况,对早期裂缝的成因进行了分析探讨,介绍了防止早期裂缝的技术措施,从而控制裂缝发生,确保建筑工程质量。
According to practical situation in project, causes of early cracks are analyzed, and its technical prevention measures are proposed to control cracks and ensure project quality.
对混凝土桥梁产生裂缝的种类和原因进行了较全面的分析和总结,以便在设计、施工使用中找出控制裂缝的可行办法,达到防范于未然的作用。
The concrete bridge fracture sorts and produced cause are completely analyzed and summarized for finding out fracture control feasible methods in design and construction to take preventive measures.
在大坝确认收到破坏的部位,大都是在较高部位出现裂缝,那里的特点是附设有连接装置,护栏,泄水闸门,警卫室或控制室等。
Where damage has been identified, it has been cracking high in the dam and where additional features such as curbs, railings, gates, or guard or control houses are located.
这些裂缝在控制流体流动和采收率方面发挥重要作用。
These fractures play an important role in controlling fluid flow and recovery.
混凝土的浇筑采取了有效的施工措施,控制了裂缝的产生,保证了混凝土施工质量及表面外观质量。
Some effective measures have been taken in the placement of concrete to control the occurrence of crack and to ensure the construction quality and appearance quality.
本文通过对混凝土裂缝成因的简要分析,对相关控制措施和修补方法进行进一步探讨,对裂缝的预防和修补具有借鉴意义,供大家参考。
This paper mainly analyzes the causes of concrete cracks and discusses the relative control measures and mending measures for further study on the prevention and mending, for reference only.
裂缝发育程度严格受泥质含量、构造应力作用和断层的控制。
The fracture growth level is strictly controlled by argilla content, structural stress action and fault.
因此,该设计方法的验算公式与其相应的裂缝控制宽度是相辅相成的,设计方法也是安全可靠的。
Therefore, the checking formula for the designing method is consistent with the crack control width and the designing method is safe and reliable.
因此,该设计方法的验算公式与其相应的裂缝控制宽度是相辅相成的,设计方法也是安全可靠的。
Therefore, the checking formula for the designing method is consistent with the crack control width and the designing method is safe and reliable.
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