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发明授权
CN106499121B 具有负泊松比效应的防爆钢筋混凝土及其制备方法 有权

具有负泊松比效应的防爆钢筋混凝土及其制备方法
摘要：
具有负泊松比效应的钢筋结构单元，由平行排布的n层钢筋铰链组成，所述钢筋铰链为具有内凹角的轴对称多边形结构。层间距为30mm‑150mm；对称多边形结构为六棱内凹结构、八棱内凹结构、十棱内凹结构或十二棱内凹结构。内凹角大小分别为β1＝90°‑150°，β2＝100°‑160°，β3＝110°‑160°，β4＝110°‑170°；所述轴对称多边形的外接圆直径为90mm‑160mm。本发明还公开了由浇筑了混凝土的上述钢筋结构单元组成的具有负泊松比效应的防爆钢筋混凝土以及其制备方法。与普通钢筋混凝土相比，本发明制备的防爆钢筋混凝土储能模量可最大提高483％；从而大幅提升抵抗并吸收爆炸载荷能量的能力。
摘要（英）：

The invention discloses a steel bar structure unit with a negative poisson's ratio effect. The steel bar construction unit with the negative poisson's ratio effect is composed of parallelly arranged n layers of steel bar hinges, the steel bar hinges are of axisymmetric polygon structures with inward concave angles. The layer interval is 30mm-150mm; the symmetrical polygon structures are six-rowed inward concave structures, eight-rowed inward concave structures, ten-rowed inward structures or twelve-rowed inward concave structures. The inward concave angles are beta<1>=90 degrees-150 degrees, beta<2>=100 degrees-160degrees, beta<3>=110 degrees-160degrees and beta<4>=110 degrees-170degrees; the diameters of circumcircles of the axisymmetric polygon structures are 90 mm-160 mm. The invention further discloses an anti-explosion steel bar concrete with a negative poisson's ratio effect composed of the steel bar structure unit poured with concrete. Compared with normal steel bar concrete, the storage modulus of the anti-explosion steel bar concrete can be maximized to 483%, and thus the ability to resist and absorb explosion load energy is sharply improved.

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