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根据实际拱坝中设置诱导缝方式的不同,在碾压混凝土轴拉试件中埋设不同形式诱导片模拟各种不同的情况,并进行了轴拉试验。得到不同诱导缝形式、试件尺寸及面积折减率的诱导缝的等效强度,从中分析诱导缝等效强度对于不同情况的变化规律。诱导缝等效强度随试件尺寸的增加而减小。
According to the difference of the induced joints in the actual arch dam, different forms of inducing plates are buried in RCC specimens to simulate various conditions and the axial pull test is carried out. The equivalent strength of the induced joints with different forms of the induced joints, the sizes of the specimens and the reduction rates of the area are obtained. The variation law of the equivalent strength of the induced joints for different situations is analyzed. The equivalent strength of the induced joint decreases with the increase of specimen size.