这次的地标加速度市中心是0.78g,但是设计规范是0.22g,9月份的是0.26到0.28之间,所以破坏已经超过了正常的设计范围了。我知道这么说大家还是觉得很难受,因为没有人愿意看到有人遇难,自己的房子没有了。就想说,因 ...
greentree 发表于 2011-3-1 23:34
http://en.wikipedia.org/wiki/Peak_ground_acceleration
Peak ground acceleration
From Wikipedia, the free encyclopedia
Peak ground acceleration (PGA) is a measure of earthquake acceleration on th ...
mandy0512 发表于 2011-3-3 15:18
谢谢LS解答~~~~~
还有,Unlike the Richter magnitude scale, it is not a measure of the total size of the earthquake, but rather how hard the earth shakes in a given geographic area.
里氏震级是指整个 ...
rosy258 发表于 2011-3-4 14:31
欢迎光临 新西兰天维网社区 (http://bbs.skykiwi.com/) | Powered by Discuz! X2 |