When the axial static pre-stress is a constant, the impact compressive strength increases with an exponential function as the strain rate increases.

相同轴压下，冲击强度会随着应变率的增加而增加，呈现指数函数关系。

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Basing on compressive mechanism and main factors that impact compressive strength, the compressive strength formulas of block masonry are establish, using stress and strain method respectively;

依据受压工作机理和影响砌块砌体抗压强度的主要因素，分别用应力法和应变法建立了砌块砌体抗压强度公式；

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The water absorption and chemically combined water content continually decrease, and the compressive strength, bending strength and impact strength continually increase as SPS content increases.

随着SPS掺量的增大，水泥净浆的吸水率和化学结合水量进一步减小，抗压强度、抗折强度和冲击强度进一步提高；

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Another study, published back in 1995, showed that although the compressive strength of concrete was enhanced only slightly by the addition of polymer fibres, its impact resistance improved sevenfold.

ECONOMIST: Bunker-busting