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- The great difficulties in threecomponent seismic survey are depressing random noise in acquisition, removing the artificial vertical faults in shear wave section. 三分量地震勘探的最大難點是採集上壓制隨機干擾,處理上去除轉換波剖面上同相軸的人為的直立錯斷(由於通常處理軟體不佳引起)。
- Shear wave: The vibration direction of the particle is perpendicular with the spread direction of the wave. 橫波:質點的振動方向跟波的傳播方向垂直的波。
- AVO phenomenon relating to petrophysical parameters can be seen in both compressional wave and shear wave. 地震反射振幅隨炮檢距變化的規律不僅縱波存在,橫波同樣也具有與物性參數有關的AVO特徵。
- Principle of saturated sand cyclic liquefaction evaluation by shear wave velocity was presented. 摘要介紹了應用剪切波速判別飽和砂土振動液化的原理;
- At the balanceable place the incoming wave is inputted vertically as shear wave in the bottom of the mode. 框架結構在靜力作用下產生位移,在靜平衡位置再輸入地震波。
- We can compute to the value of the compressionalwave and the shear wave from the theoretical model Biot-Geerstma-Smith equations. 利用理論模型 Biot-Geerstma-Smith 方程分別算出縱波速度和橫波速度。
- As the speed of the shear wave of styrene-butadiene rubber (SBR) is lower than other rubbers, it is more suitable for the acoustic baffle material. 雖然SBR橡膠的特性阻抗與海水接近,但經過結構設計,通過將橡膠的壓縮形變轉換為剪切形變,從而有效降低結構件聲速,可以達到與海水失配的目的。
- In thoery, it is feasible to obtain the shear wave of the formation by dipole acoustic imaging well logging through the casing. 過套管利用偶極子聲波成像測量獲得地層橫波資料,在理論上講是可行的。
- Uphole shooting is a mostly direct and effective method.Similarly, shear wave uphole shooting can be conducted using shear wave source. 微測井一直是解決縱波勘探表層問題最直接最有效的表層調查方法,同樣利用橫波震源,也可以進行橫波微測井採集。
- the vertical shear of basic flow 垂直切變基本流
- Based on the shear wave formulation,this paper presents a new method to calculate horizontal seismic responses of multistory shear type structures. 基於結構側向位移的剪切波動方程,提出分析多層剪切型結構水平地震反應的新方法。
- The compressional and shear wave travel time generally incease with hydration time and reach to steady situation gradually. 泥頁岩縱橫波時差隨著水化時間的延長呈總體增大的趨勢並逐步趨於穩定。
- By increasing the number of the elements, the amplitudes of compressional wave and shear wave are enhanced in the generation condition. 隨著相控線陣工作陣元個數的增加,在近似滿足同相位疊加時,縱、橫波振幅得到明顯的加強。
- Numerical results show that significant reductions of vibratory vertical shears and hub moments in the fixed frame can be obtained for a four-bladed soft-inplane hingeless rotor. 數值結果表明振蕩附翼的引入能有效地降低旋翼槳轂的振動載荷。為振蕩附翼的振動自適應控制律設計提供了有效的旋翼氣動彈性分析方法。
- There are two sets of vertical shearing planes and one set of relaxed fissures dipping towards the river course in the rock mass at the Xiaowan dam site. 小灣岩體存在兩組垂直結構面和一組傾向河道的卸荷裂隙。
- An acoustic attenuation method is given for [110]-[001] acoustic shear wave TeO_2acousto-optic deflectors. The experiment shows that it is a feasible method. 文章討論了一種適用於[110]-[001]型TeO_2橫波聲光偏轉器的吸聲方法
- Classification of engineering site sort, reassessment of saturated sandy soil liquefaction and subsoil earthquake response analysis all depend on subsoil shear wave velocity. 建築場地類別劃分、地基飽和砂土液化判別、地震反應分析等都依賴於剪切波速,由於其重要性,對它的測定技術和精確程度應重點研究。
- In the CGSM, shear modulus and damping ratio of the soil are functions of depth and shear strain, wave equation for the transmission of shear wave is obtained. 在連續梯度土介質模型中,剪切模量和阻尼比是位置深度和剪應變的函數,導出剪切波在土體中傳播的波動方程。
- GU Han-ming,SONG Xian-hai.Evaluating freeway compactedness by way of rayleigh ray reflection of shear wave tempo[J].Geology Science and Technology Journal,2001,20(2):100-102. [1]顧漢明;宋先海.;用瞬態瑞雷波反演橫波速率評價高速公路壓碾效果[J]
- With the development of modern well-logging techniques, direct shear wave logging has become an increasingly important tool in exploration and production geophysics. 直接使用橫波測井已經成為油氣勘探開發中重要的手段。