The crack of concrete slab is a difficult problem in the design and construction.
混凝土面板裂缝一直是面板设计与施工中的一个难题。
Cement cause the crack of concrete but we can take precautions against the crack of concrete from cement.
本文从水泥方面对混凝土裂缝原因及预防混凝土裂缝进行了探讨。
The reasons for the crack of concrete structure are complicated and many sided, but the main cause is following two sides.
钢筋混凝土结构裂缝的成因是复杂的和多方面的，主要原因有以下两个方面。
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。
The crack of concrete structure is usually produced under many kinds of factors, the differentiation of concrete crack is an important content in strengthening.
混凝土结构的裂缝通常是在多种因素的作用下产生的，鉴别混凝土结构产生的各种类型裂缝是工程鉴定加固中的一项重要内容。
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.
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。
A mathematic model is set up by probabilistic method for analyzing concrete crack in early age, which is tested by the observation results of a concrete retaining wall case.
利用概率的方法，建立分析早龄期混凝土开裂的数学模型，并利用一实际的混凝土挡土墙工程观测结果进行验证。
The research of how to prevent, handle the concrete crack has been in progress.
如何防止、处理混凝土裂缝的研究一直在进行中。
The crack behavior of concrete bending members with HRB400 steel is experimental studied in this paper.
本文主要研究了HRB400级钢筋混凝土构件的受弯的裂缝性能。
Aiming at the randomicity of concrete crack, the author adopt the randomicity finite element model and Monte-Carlomethod to simulate the randomicity of material character and crack distribution.
针对材料性能的随机性和裂缝分布的随机性，引入了随机性模型，采用蒙特卡罗法来模拟其随机性。
This article came from the structure design of concrete structure discussed the crack problem, and puts forward the main construction measures for crack control.
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。
It shows that finite element analysis could replace experiments to study the crack width of reinforced concrete beams in a way.
说明有限元分析在某种程度上可以代替试验对钢筋混凝土梁裂缝宽度进行研究分析。
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。
The cause of concrete crack in the construction of box girder of passenger dedicated railway line is introduced, and the relevant control measures are raised.
介绍了铁路客运专线箱梁的施工过程中，箱梁混凝土裂缝的成因，提出了相应的控制措施。
My work can be summarized as follows: (1) According to the characteristics of crack on concrete structure, I realize the width measurement algorithm.
本文主要完成以下工作：1根据混凝土结构裂缝图像的特点，实现了混凝土结构裂缝宽度的测量算法。
The article analyses the cause of concrete crack of brick concrete building, and presents the methods to control crack.
分析砖混结构建筑常见的混凝土裂缝成因，提供裂缝控制的方法。
The polypropylene fiber can effectively control the length, width and number of the drying shrinkage crack of early-age concrete.
聚丙烯纤维可有效控制混凝土早期干缩裂缝的长度、宽度和数量。
The kinds of concrete crack of building for telecom and the causes are analyzed, the prevention approaches are put forward.
分析了邮电通信建筑混凝土结构裂缝的种类和产生的原因，介绍了防治裂缝的措施和方法。
The concrete crack is one of them.
混凝土裂缝就是其中之一。
To monitor the random crack of the concrete dam structure with the ordinary instrument isn t effect.
如何监测大坝混凝土结构的随机裂缝，常规仪器显得无能为力。
The paper introduces the cause of cement concrete road crack, and presents the measures to prevent cement concrete road crack.
分析造成水泥砼路面裂缝的原因，从施工与角度提出了防止水泥砼路面裂缝的措施。
The paper introduced the cause of concrete bridge crack for prevention, control and management in the construction.
论述了混凝土桥梁裂缝各种成因，以便在设计与施工中加以预防、控制和管理。
The paper puts forward the means for the control of plastic concrete crack based on the different reasons.
文章根据大坍落度混凝土裂缝产生的不同原因，提出了裂缝控制的措施。
Combining with digital image processing technology, the algorithm of judging concrete crack was proposed.
结合数字图像处理技术，提出了判断混凝土裂纹的综合算法。
The mineral admixture can greatly improve the crack resistance of concrete.
矿物掺合料也可以改善混凝土的抗裂性。
The mineral admixture can greatly improve the crack resistance of concrete.
矿物掺合料也可以改善混凝土的抗裂性。
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