According to the design feature of this building,the method of orient collapse with trapezoidal notch is used to the demolition of five brick-concrete residential buildings by controlled blasting.
根据这种建筑物的结构特点,采用梯形切口定向倾倒的方法,爆破拆除了5座砖混结构宿舍楼群。
The frac'ture mechanics analysis testing data show that the method of measureing frac'ture toughness of cemented carbide with three-point bend specimen with a breach in mountain shape is reliable.
断裂力学分析及测试数据表明,采用山形缺口三点弯曲试样测定硬质合金断裂韧性的方法是可靠的,数据离散性小,试验可重复性强,并符合硬质合金组织结构—机械性能变化规律。
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