等摩阻法 的英文怎麼說
中文拼音 [děngmózǔfǎ]
等摩阻法
英文
equal friction method-
The penetration test study the disturbance of soil in difference location. by using finite element method, the paper study the stratum movement and the earth surface deformation caused by pipe jacking, analysis the construction parameter such as head pressure, deflexion, friction force impact on earth surface deformation, give the distributing rule and range of additional soil pressure in soil
採用有限元計算分析的方法，對頂管施工引起的地層運動及地表位移進行研究，分析了機頭土壓力、機頭偏斜、摩阻力等不同施工參數對地表變形的影響以及附加應力在土中的分佈規律和影響范圍。Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account
依照宋代《營造法式》建造了抬梁式殿堂木結構構件及結構模型，對中國古代木結構中的典型構造如：柱腳在礎石頂面平擱簡支、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱等的構造機理及結構功能進行了量化分析和實驗研究： （一）通過木柱石礎靜摩擦試驗，測定了柱腳與石礎古鏡面間的摩擦系數及摩擦力隨上部結構荷載變化的規律； （二）通過單柱承載力試驗，測定了古建築中木柱的受力變形特徵、破壞模式、及模型材料的變形模量、極限承載力、極限變形等參量； （三）通過柱架低周反復荷載試驗，測定了柱架的抗側移剛度、柱架恢復力特性及滯回曲線、榫卯張角剛度及其變化規律、柱架及榫卯的極限承載力和極限變形、及榫卯減振參數； （四）通過斗?低周反復荷載試驗和受壓試驗，測定了古建築木構件與木構件間摩擦系數，斗?抗側移剛度，斗?恢復力特性及滯回曲線，斗?抗壓極限承載力及受力變形規律； （五）通過抬梁式殿堂間架模型振動臺試驗，測定了殿堂木構架結構自振周期，地震反應振形、阻尼特性及阻尼比；按結構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測量，對柱根滑移、榫卯變形、斗?的變形、復位、耗能減振參數等進行了定量分析。This product basis physics ， bionics and the resistance induction of human body survey theory ， and combination plenty of clinical practices develop development ， it is attacked that this product not only has to bang, needle jiu ， massage, fiery jar, scrape sha ， the 6 big functions of traditional chinese medicine such as massage pattern and step - down, geng the comprehensive prescription patterns such as shoulder and waist leg beautiful body, and more have acupoint alone to seek, electricity jiu the functions such as therapy
該產品根據物理學、仿生學、人體電阻感應探測理論、生物電學、中醫針灸學、磁療共振學、中國古典醫學及現代微電子技術，並結合大量臨床實踐而研製開發的，該產品不但具有捶擊、針灸、推拿、火罐、刮痧、按摩等六大中醫功能模式和降壓、頸肩、腰腿美體等綜合處方模式，而更獨有穴位查找、電灸療法等功能。According to elasto - plasticity theory, with the help of finite - method program ansys, the paper undertakes the computer analogue tests about the bearing capacity of pile tip arranged by orthogonal principle, and attains the relations of pile - tip bearing capacity to embedment depth, pile diameter, cohesion, internal friction angle and modulus of deformation. by the means of mathematical statistic, regression equation of the ultimate bearing capacity calculated by finite element method is gained through the regression analysis of 81 group data from the computer analogue tests. by comparison and analysis of the values calculated by finite - element regression equation and the values of in situ loading test, the regression equation is gained which calculates the size effect for base resistance of large diameter pile
根據彈塑性理論，運用大型有限元軟體ansys按正交設計理論對樁端承載力進行模擬計算，獲得樁端承載力與樁長（埋置深度） 、樁徑、粘聚力、內摩擦角及變形模量等主要影響因素的關系，並採用數理統計方法，對81組ansys模擬試驗結果數據進行回歸分析，得到有限元法確定樁端極限承載力的回歸公式，並將有限元法回歸公式計算值與現場小壓板載荷試驗值進行比較分析，得到大直徑樁端阻的尺寸效應系數計算公式。And the impact of every parameters of f - ved element, stiffness coefficient and damper coefficient of ved element, normal stiffness, tangent stiffness and sliding friction of frd element and the cross - section area of the brace on the capability of dissipating vibration energy is computed and analyzed
並對f - ved單元中ved單元的剛度系數、阻尼系數、 frd的法向剛度、切向剛度、滑動摩擦力及支撐橫截面面積等參數對單元阻尼效果的影響進行了分析研究。This paper offers a method that can avoid the incorrect or rough methods mostly accepted now, and this method considers the temperature change along pipeline, the difference of friction loss in turbulence zone and the throttle effect in cross - section of reduced pipe
針對現有的靜態模擬演算法存在的錯誤和不足，提出了一種更為精確的模擬演算法，該演算法除考慮了管道沿線的溫度變化、處于不同的紊流區摩阻損失的大小不同之外，還考慮了變徑管道在變截面處存在節流效應等問題。Since traditional certainty methods have some instinct limitations, this paper comprehensively considers the uncertainty of the friction strength value between the nail and soil, the strength factor of soil, and so on. after dealing with the factors and their relation, the reliability of the soil - nail retaining structure is analyzed and its calculating formula is educed
鑒于傳統的確定性分析方法的局限性，本文綜合考慮了土釘與土體之間的界面摩阻力強度值及土體強度參數等的不確定性，經過對各參數及參數間關系的處理，對土釘支護結構的內部穩定性進行了可靠度分析，得出可靠度的計算公式。The researching method is, firstly, to create a flow field model which is testified to be reliable on a large area, and to research the variations of discharge entering and out - flowing from hangzhou bay ; secondly, to simulate the discharge variation of main interest area near the bridge axis with a denser grid in a subarea of the coarse model
研究方法是首先建立大范圍的可靠適用的流場數值模型，研究進出杭州灣的流量變化；然後對感興趣的區域嵌套加密網格，利用橋墩物理模型測定的等效底摩阻系數，研究建橋前後在橋軸線上的流速、流量變化。分享友人