confining stress 中文意思是什麼
confining stress
解釋
包圍應力-
In the condition of the different confining stress and the temperature of 8. 8 ?, dynamic strain of the asphalt concrete is very little within 100 vibration times under rather big dynamic stress, the total axial strain is only about 1 % ~ 2 % within 3000 ~ 5000 vibration times
在不同圍壓和8 . 8條件下，對瀝青混凝土施加較大的動應力，在100振次以內所產生的動應變是很小的，即使施加3000 5000振次，軸向總應變也僅為1 2左右。 -
The static triaxial test of two engineerings shows that the breaking strength of asphalt concrete declines significantly as the temperature rises and the strain increases noticeably when breaking. increase in the asphalt content leads to decrease in tangent modulus and cohesion, but the internal friction angle tends to increase. increasing confining stress results in the augment of the maximum stress and the ultimate value of volumetric strain
兩個實際工程的靜三軸變形與強度試驗表明，隨著溫度升高瀝青混凝土破壞強度明顯降低，破壞時應變明顯加大；瀝青含量的增加會導致切線模量和凝聚力降低，但內摩擦角趨于增加；周圍壓力增大會導致最大應力_ d增大，其體變壓縮極限值也越大。 -
If asphalt concrete specimen is in stabilization by exert confining stress before the static triaxial test, it is then found that under the condition that time is long enough, the volume of the specimen will shorten gradually and stable around a fixed value, and the amount of compression is essentially the half of the volume of void itself. it is also found that in stabilization by exert confining stress the linear phrase will be shorten in the figure of the static triaxial test of specimen, while the initial tangent modulus will be augment. 3
在進行靜三軸試驗以前先對瀝青混凝土試件進行圍壓穩定，發現在時間足夠長的條件下，試件的體積會逐漸縮小，並逐漸穩定在某一定值，其壓縮量基本上為其本身孔隙體積的一半；經圍壓穩定后的試件靜三軸試驗曲線上的線性階段明顯縮短，而初始切線模量增大。 -
And a post - liquefaction test method has been put forward, in which the cyclic loading and the static loading courses are both controlled by stress mode. this method reflects the in - situ conditions well and truly, and a lot of tests have been done using this method. in these tests the effects of confining pressure, relative density, liquefaction severity etc. have been thoroughly investigated
主要工作內容如下：參與研製了振動扭剪全自動多功能三軸儀，並利用其獨特試驗功能設計了一套飽水砂土液化后特性的試驗方法，試驗過程中模擬地震作用的動加載過程及模擬大變形發生的靜加載過程均採用應力控制的方式進行，試驗方法跟現場條件更為接近並用該試驗方法對相對密實度、固結壓力、液化度等對液化后變形特性的影響進行了研究。 -
The porosity and permeability measurement of core in net confining stress
覆壓下巖石孔隙度和滲透率測定方法 -
Confining stress and consolidation ratio have little effect on damping ratio of the asphalt concrete, and the damping ratio has decreasing tendency along with the increasing of the temperature
圍壓和固結比對瀝青混凝土的阻尼比沒有多大影響，阻尼比隨著溫度的升高有著降低的趨勢。 -
In this paper, systematic numerical test have been carried out to study the stability of surrounding rock mass with different distribution of weak interbed, different distance between weak interbed and limit of excavation, different thickness of weak interbed, in the different confining coefficient and representational surrounding rock mass graded ii, iii, iv. all of the numerical modeling is plain - strain type with elastic - plastic constitutive law and mohor - coulomb failure criterion, through the integrated numerical analysis program final. plentiful numerical test results have been drawn via analyse the deformation, tensile stress region, plastic region of surrounding rock and the stress status of shot - crete
大量的工程實踐表明，軟弱夾層對地下洞室圍巖穩定性的影響有著決定性的作用，本文以大型數值模擬分析系統final為平臺，採用彈塑性應力應變關系和m - c屈服準則建立平面應變問題有限元模型，對軟弱夾層的分佈部位、分佈距離、軟弱夾層的厚度對圍巖穩定性的影響以及在具有不同側壓力系數的地應力場中和、 、類代表性圍巖中軟弱夾層對圍巖穩定性的影響進行了系統的數值試驗，研究得出了軟弱夾層對圍巖位移、拉應力區、塑性區以及噴射混凝土層內力等影響豐富的量化成果，以便直接為工程設計人員提供參考。 -
The plane strain tests of sand and clay, and the emergence and development of shear bands were simulated numerically by pfc to analyze the stress - strain relationship curves of pfc models and test results under different confining pressures
對砂土和粘性土的室內平面應變試驗及其剪切帶形成和發展進行了數值模擬，分別對比了不同圍壓下顆粒流試樣與室內試驗的應力應變關系曲線，基本再現了砂土和粘性土試樣應力應變關系。 -
Theoretical analysis of relationship between stress and strain in consideration of confining pressure and pore pressure of rock sample
考慮圍壓及孔隙壓力的巖石試件應力與應變關系解析
分享友人