The stress intensity factors K1 of various position of welded joint were measured by single edge precracked tensile specimen.
用单边预裂纹拉伸试样测定了焊接接头各部位的应力强度因子K1值。
Then, the criteria of hydraulic fracturing of different tensile cracks are discussed. The mechanism and formula for stress intensity factor are put forward.
然后研究压剪断裂的力学机理，分析有水压力作用的压剪断裂应力强度应力的计算及其断裂判据。
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