kennykkou 发表于 2013-8-22 06:11

ASTM D 5276

ASTM D5276 所采用的跌落机跌落面钢板厚20mm请问钢板下是水泥地还是软垫?

jjlamshushushu 发表于 2013-8-22 08:35

水泥地板呀

kennykkou 发表于 2013-8-22 11:03

jjlamshushushu 发表于 2013-8-22 08:35 static/image/common/back.gif
水泥地板呀

ASTM D5276 请问引用处在那一章节?
跌落表面规定5.1.5.1 The impact surface shall be of concrete, stone, or
steel. If the dropping surface is a steel plate, it must be at least
1⁄2 in. (13 mm) thick and must be anchored firmly to the mass
并未提到钢板下可放何种材质

jansle_happy 发表于 2014-1-22 14:24

我也疑问，请指教
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