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讨论"土层的震陷问题"(引自桥梁通讨论群)
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快乐飞翔
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Sep 20, 2006, 10:33:14 PM
9/20/06
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to 阳光软件.桥梁通
hill:根据《公路工程抗震设计规范》有关规定,该地区地震基本烈度为6度,地震动峰值加速度a=0.05g。根据勘探结果,桥址处场地土类型为软弱场地土,地面下15m深度范围内分布的淤泥及淤泥质土在地震作用下,将会产生震陷。
有可能吗?
lc:记得好象饱和砂土才发生吧
看雪:可以得
熊莉
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Sep 21, 2006, 3:05:49 AM
9/21/06
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to qscr
虎子哥哥:砂土会发生液化,计算的时候侧摩阻力要打折扣 6度区不会有什么问题,结构上采取措施应该可以
lc:打折一般按多少打
虎子哥哥:一般取1/2~2/3
lc :是你们的经验是吧
虎子哥哥:规范有规定
lc :不好意思 哪本啊
虎子哥哥:JTJ 004-89
虎子哥哥:抗震规范 2.2.4
小 资 女 人 的 最 爱 ( 图 )
女 友 喜 欢 这 些 , 他 统 统 给 了 , 大 家 看 看 是 啥 ( 组 图 )
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