The basic principle of simple high strain pile test method transformed from measured free fall of drop hammer is given in this paper.

给出测量自由落锤的加速度换算高应变试桩的动力的简易法的基本原理、测试操作与工程应用。

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According to several times free fall impact test video was shown AIR-WAY cushion pad can absorb impact force.

由几次水球落下冲击测试影片可以明显看出AIR - WAY透气缓冲垫能有效吸收冲击力！

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This meant that for the drop-test we were able to let the Panasonic free-fall from a height of three feet, while the GammaTech was dropped from a somewhat less realistic (in terms of likely real-world falls) one foot.

ENGADGET: Durable faceoff and torture test: Panasonic's Toughbook 30 vs. GammaTech's Durabook D15RP