向下的滲流壓力 - 土木
By Zenobia
at 2014-03-27T00:34
at 2014-03-27T00:34
Table of Contents
有水頭差時
向下的滲流壓力會造成孔隙壓力減小(-rwh)
是因為此時滲流壓力為拉力嗎?
可是,如果為拉力,土壤可以承受拉力嗎?
另外,如果以物理的角度探討,
要如何解釋土讓受到靜態水壓與向下的滲流壓力
竟然會造成孔隙水壓減少,
兩個向下的力量疊加不是會變大嗎?
--
向下的滲流壓力會造成孔隙壓力減小(-rwh)
是因為此時滲流壓力為拉力嗎?
可是,如果為拉力,土壤可以承受拉力嗎?
另外,如果以物理的角度探討,
要如何解釋土讓受到靜態水壓與向下的滲流壓力
竟然會造成孔隙水壓減少,
兩個向下的力量疊加不是會變大嗎?
--
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土木
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