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中文摘要：
针对碾压混凝土拱坝诱导缝双向相邻布置结构的力学问题，进行了不同削弱度的碾压混凝土试件轴拉试验。根据试验结果，考虑双向相邻诱导缝的影响，得到了用于诱导缝断裂分析的双参数等效强度的修正系数。对沙牌碾压混凝土拱坝的诱导缝双向相邻布置结构进行了计算分析，计算结果反映了诱导缝的双向相邻布置对其等效强度的影响，说明坝体中诱导缝的双向相邻布置在温度应力场的作用下更容易开裂。
英文摘要：
For studying the mechanical characteristics of bilateral adjacent induced joints in RCC arch dam, a series of RCC axial tension tests with different degree of weakening were carried out. According to the experimental results, considering the impact of bilateral adjacent induced joints, the correction factor of equivalent strength with double parameters, for analyzing the fracture of inducing joints, were obtained. The relative equivalent strength of bilateral adjacent induced joints structure of Shapai RCC arch dam were calculated, the result reflected the impact of bilateral adjacent induced joints on strength. The result also explained that the crack of bilateral adjacent induced joints was more easily under the action of temperature stress.
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