- 動(dòng)剪力模式
- 動(dòng)剪切模量
- 動(dòng)力剪力模量
- 動(dòng)態(tài)剪切模量
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dynamic shear modulus中文什么意思
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- Dynamic shear modulus of soils
動(dòng)剪切模量 - Effects of consolidation ratios of sands on dynamic shear modulus and response spectrum of soil surface
固結(jié)比對(duì)砂土動(dòng)剪切模量及地表反應(yīng)譜的影響 - Considering the similitude law for shaking table test , we study the test results and obtain some conclusions which are a ) generally , the silty soil in test box liquefies and the liquefied time has relation with the amplitude of acceleration , b ) when the intensity is on and above eight degree , the silty soil deposit will be liquefied dramatically , c ) the relationship of the pore water pressure is relevant to the cycle loading which represents when the cycle loading ranges from little to great , the relationship is represent as a concave curve , or else as a protruding curve and tends to stability . ( 3 ) based on the triaxial compression test and the resonant column test , some studies are made such as a ) the duncan - chang parameters of constitutive model , b ) the dynamic shear modulus ratio and c ) the damping ratio of the site soil deposits . in order to deal with the test data , a computer program is compiled
( 2 )利用小型振動(dòng)臺(tái)進(jìn)行了k _ 0固結(jié)狀態(tài)下粉土的振動(dòng)液化模擬研究，通過(guò)分析正弦荷載作用下的試驗(yàn)資料，驗(yàn)證了粉土的孔隙水壓力增長(zhǎng)模式的合理性；從微分方程推導(dǎo)了基于土體振動(dòng)臺(tái)模型試驗(yàn)的相似律，并從模型實(shí)體、孔壓時(shí)程曲線和相似律等方面做出了分析，得出了如下結(jié)論：在小型振動(dòng)臺(tái)試驗(yàn)中，模型箱中的粉土都發(fā)生了液化，液化的時(shí)刻和輸入加速度幅值有關(guān)，而對(duì)頻率的變化不太敏感；粉土在相當(dāng)于8 9度地震烈度的加速度幅值作用下可能產(chǎn)生嚴(yán)重的液化；孔壓的增長(zhǎng)曲線形狀與施加的荷載有關(guān)：當(dāng)施加荷載為由小到大的形式時(shí)，曲線形狀為上凹的曲線；當(dāng)施加荷載為等幅的正弦荷載或荷載幅值由大到小時(shí)，曲線形狀為上凸的曲線，且逐漸趨于穩(wěn)定。 - The main dynamic parameter of the subsoil is the dynamic shear modulus . base on the data of the experiments , analyzing the relationship between the dynamic shear modulus and the characteristic parameters such as the density , the water content and the shear distortion , the expression of the dynamic shear modulus of the subsoil is picked out
地基土的主要?jiǎng)恿?shù)為土的動(dòng)剪切模量，而利用實(shí)驗(yàn)所得的數(shù)據(jù)，分析動(dòng)剪切模量g與地基土的干密度(孔隙比) 、含水量以及地基土的剪切變形等參數(shù)之間的關(guān)系，就可以得到地基土的動(dòng)剪切模量的表達(dá)式。 - Base on the elastic half space theory of the dynamic foundation , analyzing the relationship between the vibration frequency and the dynamic shear modulus of the soil , a relationship between the vibration frequency and the self - property of the subsoil can be carried out . that is the expression about the relationship between the vibration frequency and the density of the soil can be carried out
通過(guò)采用動(dòng)力基礎(chǔ)半空間理論，分析錘擊產(chǎn)生的地基土的振動(dòng)頻率與地基土的動(dòng)剪切模量之間的相關(guān)關(guān)系，就又可以得到地基土自振動(dòng)頻率與土體本身性質(zhì)之間的關(guān)系，即與土體的密實(shí)度之間的關(guān)系。