vibration of foundation 中文意思是什麼

vibration of foundation 解釋
基礎振動
  • vibration : n. 1. 振動，顫動；擺動；【物理學】振動。2. （心的）震顫。3. （思想情緒的）激動。4. 猶豫。adj. -al
  • of : OF ＝Old French 古法語。
  • foundation : n 1 建設，創設，創立。2 基礎，根本；根據；地基，地腳。3 基金；捐款；用捐款創辦的事業；慈善機關；...
  1. In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test

    然後，對巖土工程領域至今尚未解決，甚至不為人注意的考慮地基變形的地基承載力問題進行了實用化的探討，提出了考慮地基變形的地基承載力上程計算方法；對基於彈塑性理論分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎（空間問題）的承載力界限荷載p _ （ 1 / 4 ） ，並與國內外土力學專著及地基基礎設計規范中的條形基礎（平面問題）的界限荷載p _ （ 1 / 4 ） ，進行了對比，從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況；根據本文作者多年從事現場地基工程振動試驗及相關課題的研究工作，本文以截頭錐模型模擬地基，對地基（巖基）承載力的動測法進行了研究，為各類地基（包括巖基） ，匯總了動力分析和檢測川的參數：針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承載力的確定問題，從巖石室內單軸抗壓強度確定、基於彈塑性模型的有限單元法計算、土力學計算及深斤載荷試驗四方面進行了深入討論；本文作者根據多年現場載荷試驗的工程實踐，對深井荷試驗裝置的核心部分? ?反力裝置，設計了側壁支撐反力加載系統，該加載系統具有實用、簡便、穩定及安個等優點。
  2. Lateral vibration of tubular columns on winkler foundation under fluid pressure

    地基上管柱在流體壓力作用下的橫向振動
  3. This dissertation is chiefly act below work : ( 1 ) expatiating the equipments diagnosis technique development process and trend, putting forward the standpoint that giving systematical diagnosis to the mechanical and electrical equipment and expanding the technical application in equipment diagnosis, making it breakthrough the traditional application of maintaining etc. in equipments, still be used for improvement and development etc. s of new product ' s design ; ( 2 ) probing into vibration type and disposal method of vibration signal, the usual method of equipment condition recognition, the essential constitutes and development trend of observation and diagnosis system ; ( 3 ) introducing the development trend of domestic and international crusher and the distinguishing feature of double turnplate stike crusher which is a new product. according to the breakdown phenomenon in running process, establishing the fault tree and deducing every kind of foundation affairs resulting in fault ; ( 4 ) studying the calculation method of critical rotation speed

    本文主要做了以下工作： （ 1 ）闡述了設備診斷技術的發展過程及發展趨勢，提出了應結合實際對機電設備進行系統診斷的新的技術思路，用實踐證明了應當拓寬設備診斷技術應用的范圍，使設備診斷技術既可以在設備管理和設備維修中得到應用，也可以用於新產品的設計改進及開發等； （ 2 ）探討了振動的類型及振動信號的處理方法，設備狀態識別常用的方法，監測與診斷系統的基本構成與發展趨勢； （ 3 ）介紹了國內外破碎機的發展趨勢，以及雙轉盤沖擊破碎機這一新產品的結構和特點，並根據試機過程中出現的故障，建立了故障樹，並導出了導致故障發生的各種基礎事件； （ 4 ）研究了臨界轉速的計算方法和原理，用傳遞矩陣法計算出了破碎機內轉盤的臨界轉速。
  4. The beam - on - dynamic - winkler - foundation ( bdwf ) model was utilized to determine the lateral dynamic response of a pile with finite length in a viscoelastic soil. an analytical solution was obtained in the time domain for the vibration of a pile under a laterally cyclic force applied at the pile head. based on the solution, the transient response of the pile loaded by semi - sine force was acquired with superposition principle

    首先，基於動力winkler模型（ bdwf ）對粘彈性地基中有限長樁的水平動力響應問題進行求解，得到了單樁在樁頂受水平簡諧荷載作用下的時域解析解，並在此基礎上通過疊加原理得到了半正弦激振條件下的瞬態解析解。
  5. Elastic half - space theory of foundation vibration

    動力機器基礎基礎振動半空間理論
  6. Frequency domain analysis and time - frequency joint analysis of experimental results show that the complex vibration of target can be effectively detected by laser micro - doppler effect, and it lays the foundation of target detection, classification and recognition

    實驗結果的頻譜分析和時頻域的聯合分析表明：利用激光微多普勒效應，可以有效地探測目標的復合振動，為目標的探測、分類和識別奠定了基礎。
  7. A vibration of large deflection for rectangle plates on winkler foundation

    基礎上矩形板的大撓度振動
  8. Non - liner vibration of circular plate subjected to static load on elastic foundation

    靜荷載作用下圓薄板在彈性地基上的振動問題
  9. Theory of vibration of pile on elastic foundation considering 3d wave effect of soil and its applications

    考慮土體三維波動效應時彈性支承樁的振動理論及其應用
  10. The axisymmetric mixed boundary - value problem of the vertical vibration of a rigid foundation on saturated layered soil subgrade

    上覆單相彈性層的飽和地基上剛性基礎豎向振動的軸對稱混合邊值問題
  11. Nonlinear thermal vibration of rectangular orthotropic plate on nonlinear foundation

    非線性地基上正交異性矩形板的非線性熱振動
  12. Due to the vibration feedback from super structure, the motion of foundation is different from that of free field

    上部結構柱頂加速度反應主要由基礎轉動引起的擺動分量組成，平動分量次之，而彈性變形分量很小。
  13. In this paper, the theory for lateral vibration of pile foundation with consideration of shear deformation of pile is established, and the influence of the ratio of pile length to its diameter, the ratio of pile stiffness to soil stiffness and dimensionless frequency were studied systemically

    本文建立了一整套考慮樁體剪切變形的樁基水平振動分析理論，並較系統地研究了樁的長徑比、樁土剛度比、激振頻率等因素對樁基水平動力響應的影響。
  14. According to the analysis of dynamic characteristics of these seismic soil - layer structures, it was proposed that failure functions of foundation caused by strong earthquakes included liquefaction, seismic fissure filling, vibration falling, fracturing and seismic settlement of soil

    根據這些強烈地震成因土層構造的動力學特徵進行分析，認為強烈地震對地基土的破壞作用有幾種方式：液化作用、地震裂隙充填作用、振動塌落作用、斷裂破壞作用和震沉陷落作用。
  15. Allowable amplitude of foundation vibration

    動力機器基礎基礎振動容許振幅
  16. Secondly, analysis of effect of improvement and different improvement schemes on characteristics of self - vibration, ground motion and ground seismic resistant of foundation is made. furthermore, characteristics of self - vibration and seismic reaction of different natural ground and improved ground with the same improvement schemes and characteristics of seismic reaction of the same natural and improved ground under different seismic wave are also analyzed

    採用所建立的動力有限元模型，分析比較了加固以及不同加固方案對地基自振特性、地面運動特性和地基自身抗震性能的影響；採用同一種加固方案但地基土層條件不同的地基加固前後自振特性及地震響應的差異以及同一復合地基在不同地震波作用下加固前後的地震響應的變化。
  17. Exact solutions are derived for the forced vibration of plate on elastic foundation to moving loads, which is based upon the use of the 2 - d fourier transforms to the motion equations and boundary conditions. following a series of deduction, a calculation programme by the methods of numeric integration in fortran is provided

    由系統的運動方程出發，利用界面連續條件，運用積分變換方法對原方程及邊界條件進行了二維fourier積分變換，把偏微分方程組變成常微分方程組，求出加鋪層板系統在移動荷載作用下的撓度解析解。
  18. The research on rotor dynamics takes a new look after introducing the theory of modern nonlinear dynamics. domestic and international scholars did a lot of research effort by the theory of modern nonlinear dynamics, such as bifurcation and chaos behavior on crack rotor system, vibration of oil film, rub - collision rotors, loosening foundation, catastrophe and gradation of rotor trouble. we got many important results, but most of research that focused on single deck rotors with singularity troubles, research coupling troubles of rotor systems is not enough

    目前，國內外科技工作者採用非線性理論和方法對轉子系統進行了大量的研究工作，包括轉子系統裂紋故障的分岔與混沌行為及穩定性，轉子系統的油膜震蕩、碰摩、基礎松動的研究，轉子系統故障的慢變過程及突變的研究等，但是目前轉子系統多被簡化為具有某一單一故障的單盤轉子模型，對耦合故障多盤轉子系統的動力學行為和故障機理研究還比較少，而工程實際中的轉子系統模型更為復雜，耦合故障普遍存在。
  19. The large - framed machine foundation is commonly used in supporting the steam turbine - generator set in power stations, and the vibration of the foundation is the key element of the whole foundation design

    大型框架式動力機器基礎是發電廠支承汽輪發電機組的常用型式，而基礎的振動問題則是整個基礎設計的關鍵。
  20. Study on nonlinear vibration of an elastic rotor bearing - foundation system

    基礎系統的非線性振動研究
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