width of crack

When the amount and surface shape of reinforcing bar are same, the similitude of crack width, crack amount and crack spacing of reinforced concrete simple beams of different scales are all nearly equal to the square root of model scale λ;

当钢筋根数及形式相同时，不同模型比尺下的钢筋混凝土简支梁的裂缝宽度、裂缝条数及裂缝间距的相似率，均约等于模型几何相似比的平方根λ；

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In this paper FEM, which is able to calculate the width of crack, is used to study the temperature reinforcement for two kinds of common hydraulic structures ( the plates and the vertical walls restrained by the bedrock in the bottom).

本文采用能计算裂缝宽度的钢筋混凝土有限元程序，对两种常见的水工钢筋混凝土结构（底面受基岩约束的底板和底部受基岩约束的竖立墙体）的温度配筋进行了研究。

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Through the research of factors affecting the quantity of water flow in cracks, the authors plot the relation curve between unit water flow and width of crack and obtain the time and the width of cracks which maybe lead to the self-heal of concrete cracks.

通过对混凝土裂缝渗水量影响因素的研究，确定了单位渗水量与裂缝宽度等的关系曲线，以及混凝土裂缝可能产生自愈合的时间及裂缝宽度；

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The criterion of the element with the maximum tensile stress will crack is presented, the iteration flow diagram of nonlinear analysis is improved, and then the position, gap and width of crack can be computed based on ′ smeared ′ crack model.

本文采用最大拉应力单元开裂准则，改进了非线性分析的迭代流程，使其最大可能地模拟实际结构的开裂情况，进而可以基于分布裂缝模式计算裂缝发生位置、裂缝间距、裂缝开展深度和宽度。

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Established the calculation model of waterproof layer tensile above bridge crack, compute a minimum extension and strength the waterproofing layer must have hi a certain width crack.

建立了桥面裂缝之上防水层张力的计算模型，有效地计算出桥面混凝土一定宽度裂缝上防水层须具备的最小延伸率和拉伸强度。

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Then get the crack from image processing area by image segmentation, and extract left and right boundaries of the crack in binary value image and then the width value of the crack.

然后在裂缝图像处理区域中进行图像分割提取出裂缝，对裂缝二值图像进行左右边界提取，进而得到裂缝宽度信息；

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