孔壓 的英文怎麼說

中文拼音 [kǒng]
孔壓 英文
hole-pre ure effect
  • : 壓構詞成分。
  1. Different situations, single - pile raft, four - pile raft and nine - pile raft, are calculated with cpri. with the computing results, the variation of the raft settlement, pile counterforce, soil counterforce and pore pressure at different time are analyzed, which agree with the general rule and show the contribution of soil consolidation on the interaction

    本文利用cpri分別對單樁承臺、四樁承臺和九樁承臺的工作性狀進行了計算分析,模擬樁基的沉降發展過程和不同時刻土體中的孔壓、樁身荷載、承臺底面土體反力的變化,分析了群樁承臺的荷載在各樁頂的分佈。
  2. And compared with the quadrangular isoparametric element, the manifold element ( t1 - 0 ) can give more accurate initial pore pressure and displacement and have a vast prospect of application

    與等價四邊形等參元相比, t1 - 0流形元能給出精度更高的初期孔壓和位移。
  3. Compared with the mud on wall form hole technology, clash stake technology or vibration sink pipe technology used in complex foundation stake forming, it has advantages of no vibration, no pollution, and no noise. in addition, since the concrete pressed into the drill stem sent vibration free concrete to the pump, so it is eas y to ensure the quality of the stake body. compared with the mud on wall and dry work form hole technology, the side obstruction and end obstruction of screw drill press concrete stake have all been accordingly improved, the weight bearing is better, and the transmutation of the complex foundation is less

    其中,螺旋鉆孔壓灌混凝土成樁技術自研製以來,已在多項復合地基工程中進行了應用,較好地解決了軟弱地層成困難的問題,適應地質條件范圍廣,成樁速度較快,工期短、工效高;與復合地基成樁時的泥漿護壁成工藝、振沖樁工藝或振動沉管工藝施工比較,具有無振動、無污染、無噪音的優點;另外,入鉆桿內的混凝土為泵送免振混凝土,因此樁體質量易於保證;與泥漿護壁和干作業成工藝相比,螺旋鉆孔壓灌混凝土成樁的側阻和端阻都有相應的提高,樁的承載性能較好,復合地基的變形較小。
  4. The research reveals that in the complex foundation, the application of screw drill press concrete stake technology is feasible. it has notable effects in reducing the sedimentation of the complex foundation, ensuring the stake quality of the basic stake, improving the weight bearing capacity, saving costs, and cutting time limit

    研究表明,螺旋鉆孔壓灌混凝土成樁技術在復合地基中的應用是可行的,它在減小復合地基的沉降量,保證基樁的成樁質量,提高承載力,節約工程造價,縮短工期等方面均有顯著作用。
  5. Code of water pressure test in borehole for water resources and hydropower engineering

    水利水電工程鉆孔壓水試驗規程
  6. Abstract : reviewed are five methods for the analysis of the penetration of jacked - in piles, namely, cavity expansion method, strain path method finite element method, slip line method and calibration model test. after analysis, it is pointed out that it is more rational to adopt sub - statical spatial axisy numerical formulas based on traditional plane - strain cavity expansion method in the analysis. after spatial closed - form solutions are obtained for soil movements, stresses and initial excessive pore pressures generated durihy pile penetration are found out. it is suggested that finite element analysis together with centrifugal model test be used in verifying the results

    文摘:在分析飽和粘土中靜樁的貫入機理的基礎上,對靜樁沉樁分析的圓擴張理論、應變路徑法、有限元分析、滑移線理論和模型槽試驗等五種方法逐一進行評述,並提出在傳統的平面圓擴張理論基礎上加以改進,採用準靜態空間軸對稱方程組對靜樁貫入過程進行模擬,從而得出土體位移、應力、初始超孔壓的空間解析解,同時採用有限元分析、模型槽試驗相互印證的研究方法
  7. 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 )利用小型振動臺進行了k _ 0固結狀態下粉土的振動液化模擬研究,通過分析正弦荷載作用下的試驗資料,驗證了粉土的隙水力增長模式的合理性;從微分方程推導了基於土體振動臺模型試驗的相似律,並從模型實體、孔壓時程曲線和相似律等方面做出了分析,得出了如下結論:在小型振動臺試驗中,模型箱中的粉土都發生了液化,液化的時刻和輸入加速度幅值有關,而對頻率的變化不太敏感;粉土在相當於8 9度地震烈度的加速度幅值作用下可能產生嚴重的液化;孔壓的增長曲線形狀與施加的荷載有關:當施加荷載為由小到大的形式時,曲線形狀為上凹的曲線;當施加荷載為等幅的正弦荷載或荷載幅值由大到小時,曲線形狀為上凸的曲線,且逐漸趨于穩定。
  8. The value of pore water pressure dissipation can be divided into two parts. one part is produced by vacuum degree and the other part by groundwater table lowering

    加固區內地基中的隙水力的最大消散值可分為兩個組成部分:一為真空度的直接傳遞導致的孔壓下降值;二為抽真空引起水位線下降進而引起的孔壓消散值。
  9. Analysis of general stress and displacement in piezoelectric ceramics with an elliptic hole

    任意點載荷下含橢圓孔壓電介質中廣義應力和位移分析
  10. Stamped solder lugs, with hole

    孔壓制焊片
  11. The main work includes : based on biot ' s dynamic consolidation equations, by the method of integral transform and matrix transfer, two - dimensional consolidation of layered saturated soils is studied. then, the general integral solutions of stress ( including pore pressure ) and displacement ( including fluid flow ) of any point were obtained under harmonic vibration loads according to staunch boundary condition. second, a program to verify the correctness of this dissertation is developed

    主要工作有:本文根據biot平面動力固結方程,運用積分變換和矩陣傳遞的方法,研究了成層飽和地基的二維biot固結問題,根據下邊界為不透水基巖的邊界條件,獲得了地基表面作用簡諧振動荷載時,任意點應力(包括孔壓) 、位移(包括流體流量)的一般積分形式解。
  12. Pps ported pressure switch

    節氣門通氣孔壓力開關
  13. The corresponding programs in matlab language were presented for various operating mode computations. thus, the excess pore - pressure and void ratio distribution along space - time could be derived. the degree of consolidation, which could be expressed by excess pore - pressure or deformation, was derived for various operating mode and its ’ characteristics along space - time showed rules of warping soil consolidation under osmotic pressure

    應用matlab語言編制計算程序對各種工況的超隙水力消散、隙比隨時間和空間的變化進行了求解,對各種計算工況得到的以孔壓和變形表示的固結度的變化規律進行分析,說明滲體積力作用下淤填粘土的固結隨時間和空間的非線性分佈特性。
  14. Application of inserted reinforcing bar cage after completion of bored pile with long helix in beijing subway construction

    長螺旋成孔壓灌混凝土成樁后插鋼筋籠施工工藝在北京地鐵施工中的應用
  15. In addition, some references and suggestions on choosing design parameters of screw drill press concrete stake in complex foundation have been provided in this research

    另外,本次研究對復合地基中螺旋鉆孔壓灌混凝土樁的設計參數的選取提供了參考和建議。
  16. Based on the screw drill press concrete stake technology, via the practical application of this technology in complex foundation form stake, this thesis goes deeply into the screw drill press concrete stake equipment and technology parameter in complex foundation, the weight bearing of the formed stake, the factors that affect the stake quality, and its practical application in the project and its social and economic benefits

    本次研究是在螺旋鉆孔壓灌混凝土成樁技術的基礎上,通過該技術在復合地基成樁中的具體應用,對復合地基中螺旋鉆孔壓灌混凝土樁的成樁設備及工藝參數、成樁后樁體的承載性狀、影響成樁質量的因素及該技術在工程中的具體應用和社會經濟效益等問題進行了研究。
  17. In the paper, static and dynamic triaxial tests were conducted on fiy ash at shanmenxia longgou ash dam, and the static and dynamic parameters of fly ash were obtained. thirdly the 2 dimensions static analysis of the ash dam was conducted based on biot ' s consolidation theory and duncan ' s nonlinear stress - strain model. finally the plane dynamic behaviors of the ash dam during earthquake of intensity 7 were analyzed based on the exponent function model of excess pore water pressure aroused by earthquake, which is put forward in the paper, and equivalent visco - elastic dynamic fem model and principle of effective stress

    本文結合實際工程,對三門峽火電廠龍溝灰壩的築壩粉煤灰進行了靜、動三軸試驗,確定了該壩粉煤灰的靜動力學指標;然後根據比奧( biot )固結有效應力原理,採用鄧肯( duncan )非線性應力應變模型,對該灰壩的二維靜力應力和變形狀態進行了分析;最後利用本文提出的地震超靜孔壓指數函數模型,採用等價粘彈性動力有限元方法,對該灰壩在地震作用下的動力穩定性進行了分析評述。
  18. Earthquake - induced liquefaction and pore water pressure based on cusp catastrophe model

    基於尖點突變模型的地震液化和孔壓研究
  19. The pore water pressure dissipation in the silt is produced mainly by lowering of groundwater table and pore water pressure dissipation in the pvds ( or sand drains ) is produced mainly by vacuum degree

    淤泥地基中隙水力消散主要是由於地下水位線的下降引起的;而砂井或塑排中的孔壓消散大部分由真空度直接引起。
  20. Based on comparison of several technical schemes, the method of sand bedding pre - elevating and step water - filling pre - compressing is adopted. so the dissertation is consist of two parts : ( 1 ) the applicability study for the method of sand bedding pre - elevating and step water - filling pre - compressing, including numerical analyses for the thickness of sand bedding, the consolidation, settlement and stability of foundation, drainage, possibility of foundation liquefaction under seismic loading, et al. ( 2 ) monitoring at construction stage and checking the effect of foundation treatment, including the measurements of the settlement velocity and non - uniform settlement of ring beam under the tank, pore pressures and horizontal displacements in foundation, the pressure distribution at the bottom of oil tank and the strength increase of soils

    通過多種技術方案比較,最終選擇了技術先進的砂墊層預抬高分級充水預法,論文工作主要由以下兩部分組成: ( 1 )砂墊層預抬高分級充水預法的適用性研究,其中包括砂墊層厚度、地基沉降與固結度、地基穩定性、降水、地震作用下砂土液化的可能性等方面的計算分析; ( 2 )施工監測與地基處理效果檢驗,其中包括油罐環梁基礎沉降速率與不均勻沉降程度、各分級充水加載階段地基超靜孔壓與深層水平位移、油罐底板力分佈及地基土強度增長等方面的實測與數據分析。
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