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Explosives and Explosive Ordnance Disposal
containing
条钢
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钢筋混凝土承重立柱的失稳条件
用控制爆破法将立柱基础以上一定高度的混凝土充分破碎,使之脱离钢筋骨架,则孤立的钢筋骨架便不能组成整体抗弯截面,当钢筋骨架顶部承受的静压载荷超过其抗压强度极限或达到失稳的临界载荷时,钢筋发生塑性变形,立柱随之失稳垮塌
destabilization condition of bearing reinforced concrete props
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