關於土力學的三軸問題 - 土木
By Blanche
at 2009-08-22T10:22
at 2009-08-22T10:22
Table of Contents
題目:
某飽和黏土經鑽探某深度取得.由CD試驗得到某飽和黏土之有效應力參數C'=15kPa,
phi=28度.接著對同一黏土進行UU試驗,圍壓為200kPa,當試體破壞時軸差應力為108kPA
.請計算破壞時(1)破壞面上之正向應力(2)破壞面上之剪應力(3)試體內最大剪應力
(4)孔隙水壓(5)破壞面與垂直線之交角.
我的作法
這題我本來用圖解法,以200kPa為有效圍壓,劃出應力狀態莫爾圓得到有效最大主應力為589.9kPa
可是這樣觀念也不對.
若帶公式求解孔隙水壓為278.23kPa,這答案也好奇怪.不敢往下作了.........
煩請各位大哥大姐們幫我解惑一下.
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Tags:
土木
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By Ingrid
at 2009-08-23T15:09
at 2009-08-23T15:09
By Elma
at 2009-08-27T06:28
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By Blanche
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at 2009-09-06T12:50
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at 2009-09-08T19:45
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at 2009-09-11T22:21
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