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maximum principal stress中文什么意思

發(fā)音:   用"maximum principal stress"造句

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  1. Maximum principal stress theory
    最大枝力理論
  2. In the middle of tunnel , maximum principal stress at horizontal is bigger than that at vertical , the magnitude is 17 ~ 23mpa , which formed the high stress site
    隧道中部大埋深地段，最大水平主應(yīng)力一般都大于垂直主應(yīng)力。量級(jí)在17 23mpa左右，屬于高應(yīng)力地段。
  3. ( 6 ) the principal stress direction arised deflexion obviously after excavation , the maximum principal stress paralled to opening , minimum principal stress vertical to sidewall or vault
    ( 6 )數(shù)值模擬研究表明，隧道開(kāi)挖后，主應(yīng)力方向發(fā)生明顯偏轉(zhuǎn)，最大主應(yīng)力與開(kāi)挖臨空面平行，最小主應(yīng)力近于垂直。
  4. Taking protective measures can obviously reduce the face slab ' s surface temperature drop - out range and the maximum principal stress amplification caused by temperature sudden drop , and the stronger protective measures are , the more obvious reduced effect is
    采取保護(hù)措施，可以明顯削減氣溫驟降所產(chǎn)生的面板降溫幅度及最大主應(yīng)力增幅，保護(hù)措施越強(qiáng)其削減效果越明顯。
  5. Research shows that four factors have great influence on the formation of complex rock mass . first , rock mass subjected six times of tectonic movement during long period of geo - history , each tectonic movement produced fractures and associated joints corresponding to the orientation of maximum principal stress and deteriorated the properties of fractures formed at former period ( s ) . second , down - cutting of langcangjiang river produced unloading fractures
    采用了四種巖體質(zhì)量分級(jí)評(píng)價(jià)方案對(duì)研究區(qū)巖體質(zhì)量進(jìn)行了研究，這四種方案包括：工程巖體分級(jí)標(biāo)準(zhǔn)( gb50218 - 94 ) 、水利水電圍巖工程地質(zhì)分類( gb50267 ? 99 ) 、巖體rmr分類( bieniawski , 1973 ) 、巖體質(zhì)量指數(shù)z分級(jí)(小灣, 1995 ) 。

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