載荷因數表 的英文怎麼說

中文拼音 [zǎihéyīnshǔbiǎo]
載荷因數表 英文
accelerometer
  • 載 : 載Ⅰ名詞（年） year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
  • 荷 : 荷名詞（蓮） lotus
  • 因 : Ⅰ動詞[書面語] （沿襲） follow; carry on Ⅱ介詞1 [書面語] （憑借; 根據） on the basis of; in accord...
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 表 : Ⅰ名詞1 （外面;外表） outside; surface; external 2 （中表親戚） the relationship between the child...
  • 載荷 : load; loading載荷變化 load fluctuation; variation in load; 載荷裝置 load device
  1. First, the theory of fretting wear and studies on fretting fatigue were introduced and the parametric method was used in the process of creating the model of dovetail joints in ug software. the elastic contact problem is analyzed in finite element method ( fem ) and is used to the parameters " distribution and contact stress of the joint are obtained on the base of ansys code. with the effect factor of load frequency, the prediction method of fretting fatigue life of dovetail joint under low and high / low cycle complex load is proposed

    本文介紹了微動損傷的機理和微動疲勞壽命的研究方法；利用ug軟體對燕尾榫聯接結構創建了參數化實體模型；基於ansys軟體平臺求解彈性接觸問題，獲得了榫聯接結構接觸應力及接觸狀態量的分佈；在已有微動疲勞壽命預測模型的基礎上，引入載荷頻率影響因子，對低周、高低周復合載荷作用下的燕尾榫聯接結構進行了微動疲勞壽命的預測，與試驗結果對比表明採用本文提出的方法預測榫聯接結構的微動疲勞壽命是有效的。
  2. The main results and academic contributions of the dissertation can be summarized as following : 1 ) for the difficulty to obtain the accurate analytical solution of the stress constraints around 3d cracks, detailed 3d fe analyses have been conducted to study the out - of - plane constraint factor tz around a straight through - thickness crack, a quarter - elliptical corner crack and a semi - elliptical crack embedded in an isotropic elastic plate subjected to uniform remote tension loading. the distributions of tz are minutely studied in the forward section of the cracks. strong 3d zones ( tz > 0 ) along the crack front were investigated despite the far field stress - free boundary conditions

    全文主要研究內容和學術貢獻如下: 1 .針對一般三維裂紋端部場應力約束準確解析的困難，對均勻拉伸載荷作用下各向同性彈性板中穿透厚度中心直裂紋、半橢圓表面裂紋和1 / 4橢圓角裂紋進行了大量詳細的全場應力三維有限元分析，首次全面分析了非穿透裂紋端部場三維影響區范圍，給出了不同形狀三維裂紋前沿離面應力約束因子tz的數值解，並結合k場平面解給出了非穿透裂紋端部應力場k - tz雙參數描述。
  3. The calculated drafts covers the whole possible ship draft in the large amplitude motion ; secondly, the research creates and solves the ship large amplitude motion equations. on the one hand, the actual calculation takes into account the coupling between the different motion modes, on the other hand, in the process of calculation of the ship hydrodynamic coefficient, it considers the influence of the nonlinear factor. the hydrodynamic coefficient used in the calculation of froude - krylov force, diffraction force and radiation force changes instantaneously following the draft, and the hydrostatic buoyancy is computed very accurately for the instantaneous immerse hull

    本文的研究分為二個部分：首先利用frank源匯法計算水動力系數，計算包括不同吃水時的附加質量和阻尼系數，吃水范圍涵蓋了船舶大幅度運動時所有可能的吃水；然後建立和求解船舶大幅度運動方程，在實際計算時一方面考慮了運動模態之間的耦合，另一方面在計算水動力時，考慮了非線性因素的影響。 froude - krylov力、輻射力、繞射力中的水動力系數隨吃水瞬時變化，靜浮力的計算精確到船體瞬時濕表面積，最後用四階龍格?庫塔方法在時域內求解船舶運動方程，並進行了載荷計算。
  4. Regarding the rc beams subjected to concentrated load or even load and braced by bonding steel, an analysis is made on the relevant factors influencing maximum anchorage shear stress of steel sheet. the analysis is based on elastic theory and makes use of the formula for calculating anchorage shear stress of steel sheet. as indicated by the results, the maximum anchorage shear stress not only realtes to such parameters as height of cross section of rc beam and span but also relates to the thickness of adhesive layer, elastic modulus, thickness of steel sheet, and length of steel sheet. the present method will check maximum an chorage shear stress on the end of shear sheet so as to prevent rc beam from local damage. the present results will offer important reference for our country to further perfect bracing design by bonding steel method

    在彈性理論的基礎上，利用鋼板錨固剪應力計算公式，對在集中荷載或均布荷載作用下採用粘鋼加固的混凝土梁，分析鋼板錨固最大剪應力的有關影響因數.結果表明，最大錨固剪應力不但和混凝土梁的截面高度、跨度等參數有關，還和粘膠層厚度、彈性模量、鋼板厚度及鋼板長度有關.採用文中方法可以對鋼板端部最大錨固剪應力進行驗算，防止混凝土梁出現局部受拉破壞.研究結果為進一步完善我國粘鋼法加固設計提供重要的參考資料
  5. Abstract : based on laboratory test results, a model for predicting the residual deformation of soft clay under impact loading is proposed in this paper, which fits well with other test results. this model, considering several factors which affect the residual deformation such as confining pressure, impact energy and the number of impacting, can be used for the deformation prediction in the treatment of saturated soft clay by the drainage consolidation method of combining static and dynamic loading

    文摘:在試驗基礎上建議了一個預測沖擊荷載作用下飽和軟粘土殘余變形的計算模式，該模式考慮了周圍壓力、沖擊能大小、沖擊次數和沖擊遍數等幾個因素.對計算模式的驗證表明，預測值與實測值吻合較好.該模型可用於動靜結合排水固結法處理軟基時的變形計算
  6. Earthquake and wind ), because of the damping matrixes of the two structures " motion equations are both non - classical, the dynamic equation ca n ' t be decoupled by the traditional real - mode analysis ( the mode - superposition method ). though, in this thesis the complex - mode analysis is used to solve the stationary and non - stationary random earthquake response of structures and their analytic expressions are got. on the basis of these expressions, the optimal parameters of the two structures " isolation & seismic decrease equipment are analyzed

    目前，基礎隔震結構、 「加層減震」 （ tmd減震）結構正逐步應用於工程實際，由於這兩種結構在動力荷載（如地震、風）作用下動力方程中的阻尼矩陣為非經典情形，傳統的實模態分析方法（振型分解法）不能使動力方程解耦，因此本文運用復模態分析方法求得了結構在平穩和非平穩隨機地震激勵下結構隨機地震響應的解析表達式，在此基礎上進行了基礎隔震和tmd減震裝置參數的優化分析。
  7. Through the experimentation for the physical performance of cfpb masonry under local compression, the author has observed the deformation and failure of cfpbm. based on the mathematical statistics and regression analysis of the experimental data, the author derived a feasible and common formula for counting the cfpbm ' s local compression strength regarding the different local compression locations, analyzed stress distribution of local bearing masonry under beams end, and provided the calculating formula on effective supporting length of beam end in brick masonry. as the results of experiments demonstrate, owing to the cfpb ' s own holes " system, the beneficial effects, the bounding effect of surrounding masonry and the spread effect of force, have not developed completely

    試驗結果分析表明：由於多孔磚自身的孔洞結構，砌體內部的圍箍作用和力的擴散作用未得到充分發揮，局壓強度雖較軸心受壓強度有所提高，但仍低於同情況下實心磚的局壓強度；當有上部荷載作用時，對砌體局壓有利的懸臂卸荷作用和內拱卸荷作用均不明顯，因此在推導梁端局壓強度計算公式時，未考慮此可能存在的有利影響，計算偏安全；局壓強度提高系數公式除採用規范公式（二項式）的表達式，還用對數式進行了回歸推導，得到了一個較為普遍的公式；論文還對梁端局壓的梁端有效支承長度計算公式進行了回歸推導。
  8. The study shows that besides boundary conditions, the factors influencing the nonlinear consolidation behavior of soils are the compression index cc, the permeability index ck, the level and the rate of loading, and the thickness of soil, etc. in nonlinear consolidation, especially for layered soils, the average consolidation degree defined by settlement, us is greater than the one defined by effective stress, up, i. e., the rate of the development of settlement is greater than that of the dissipation of excess pore water pressure

    研究表明，除邊界條件外，影響軟土地基一維非線性固結性狀的主要因素是壓縮指數c _ c 、滲透指數c _ k 、荷載大小與加荷速率、土層厚度等。對于非線性固結，特別是成層地基，按沉降定義的平均固結度u _ s大於按有效應力定義的平均固結度u _ p ，即沉降發展速率要快于超靜孔壓消散的速率。
  9. Based on the commonly used strip theory with the extension of taking into account the instantaneous variation of the wetted hull surface during the motion and its effects on the ship hydrodynamic characteristics, this dissertation mainly calculates the ship motions and loads in waves in time domain and elementarily investigates some nonlinear characteristic of ship motion and hydrodynamic coefficient. it is hoped that the research had an engineering value for the predication and evaluation of seakeeping performance in the concept ship design stage

    本文基於擴展的切片理論，計入船體運動時濕表面的變化及其對船體流體動力性能的影響，在時域內計算了船舶在波浪中的運動和載荷，並對船舶水動力系數及運動中的一些非線性因素進行了初步的探討，本文的研究對船舶設計階段的耐波性能評估具有工程實用價值。
  10. Meanwhile, dynamic responses at pile head are investigated. it is sh own that the effects of pile slenderness, bearing stiffness of pile toe and the pile - soil modulus ratio on pile impedance are major whereas the ones of the permeability and the soil reaction coefficient are minor

    對影響樁振動特性的主要因素進行了分析，結果表明，長徑比、樁土模量比及樁底支承系數對樁的動力響應影響顯著，而滲透系數作為飽和土的一個重要參數，由於荷載作用時間問題，對樁的動力響應影響較小。
  11. It is the researchful purpose of this paper that the methods of appraising the existing structural reliability basing on own information are found, which will impel the methods of appraising the existing structural develop from applied methods to probability methods. the contents of this paper have mainly four, including : firstly, the normal value of permanent load in the existing structure is ascertained by the way that is called bayes - small capacity, which considers the dates of design and the road - test dates. secondly, by introducing the random variable that is statistical ambiguity, the statistics of loading and resistance of existing structure are researched

    本文研究目的是針對現有結構的特點，建立基於自身信息的現有結構可靠性的實用評定方法，推動我國的現有結構可靠性鑒定方法由實用鑒定法向概率鑒定法發展，主要研究內容包括四個方面：一、結合結構原設計數據和現場抽樣實測數據，研究了恆載標準值的統計推斷方法，提出bayes小樣本統計推斷方法；二、利用統計不定性隨機變量，結合現有結構的特點，提出荷載、抗力變異性的小樣本統計推斷方法；三、分析了現有結構抗力變異性的主要影響因素，並利用實測數據進行了實例分析；四、針對現有結構自身的荷載、抗力統計特性，研究了現有結構承載力的校核表達式，對恆載、抗力分項系數提出修訂建議，建立了基於自身信息的現有結構可靠性實用評定方法。
  12. Load carrying capacity a quantitative term to describe the ability of a lubricant to resist film rapture and protect against wear and surface destruction under conditions of high speeds ， high loads ， high temperatures or combinations of these

    承載能力描述在高速度、高負荷、高溫或這些因素同時作用的情況下，潤滑油抵抗油膜破裂、抗磨損以及保護表面免受損壞的能力的定量參數。
  13. Under the horizontal earthquake action and wind force, aim at " the pure frame structure with rectangle columns ", " the pure frame structure with special - shaped columns ", " the frame - truss structure with special - shaped columns " and " frame - shear wall structure with special - shaped columns ", earthquake action analysis was done by the spacial finite element method through the changes structural parameter. analyzing systematically " structure vibration mode ", " vibration period ", " structure lateral rigidity ", " seismic action force ", " seismic response force ", " floor seismic shear force ", " lateral horizontal displacement of structure " and " members internal force ". results indicate : ( 1 ) based on equal area, the special - shaped columns replaced the rectangle columns, the structural lateral rigidity enlarges, the lateral displacement minishes obviously, the earthquake response increase slightly, the biggest increasing amount of frame columns axis - compress ratio is smaller than 0. 08. the whole aseismic performance of structure has improved ; ( 2 ) when the section ' s length and section ' s thickness ratio of special - shaped columns is smaller than 3. 6, the structure benefits to resist seismic action ; ( 3 ) the angle of horizontal seismic action with the whole coordinate is 0 degree, structure earthquake response is bigger, belonging to a control factor of structure aseismic design ; ( 4 ) the frame - truss structure with special - shaped columns and the " a " - brace has the biggest lateral rigidity ; ( 5 ) the frame - shear wall structure with special - shaped columns have bigger lateral rigidity and smaller displacement, members internal force enlarged just rightly, have much superiority of resisting seismic action ; ( 6 ) in the higher seismic fortification criterion region ( 8 degree of seismic fortification intensity ), aseismic disadvantageous building site ( iii type site ), adopting special - shaped columns structure system, should reduce possibly the building ' s self - weight in order to reduce the earthquake response ; ( 7 ) the response spectrum method of computing seismic response and the time - history analysis method have similar analysis result

    西安理工大學碩士學位論文在水平地震作用下，並考慮風荷載組合，分別對「矩形柱純框架結構」 、 「異型柱純框架結構」 、 「異型柱框一析架結構」及「異型柱框-剪結構」等四種結構體系，通過改變結構參數，運用空間有限元方法，進行地震作用計算。系統地分析研究「結構振型」 、 「振動周期」 、 「結構側向剛度」 、 「結構地震反應力」 、 「樓層地震剪力」 、 「結構側向位移」 、 「層間位移角」 ，以及「構件內力」 。結果表明:在等面積原則下，異型柱代換矩形柱后，結構剛度增大，側向位移明顯減小，地震反應力略有增加，框架柱軸壓比最大增幅小於8 % ，結構整體抗震性能有所提高;當異型柱肢長肢厚比小於等於3 . 6時，結構有利於抗震;水平地震作用力與整體坐標夾角為0度時，結構地震作用效應較大，屬結構設計的控制因素之一;異型柱框一析架結構採用「人」字斜撐，側向剛度大於「八」字斜撐和「人一八」字混合斜撐;異型柱框一剪結構側向剛度大、位移小，構件內力增大適中，是一種抗震性能優越的結構體系:在抗震設防烈度較高地區（ 8度）和抗震不利的建築場地（ m類場地） ，採用異型柱結構體系時，應盡可能減輕結構自重，降低地震作用力;分別採用「振型分解反應譜」法和「時程分析」法進行地震作用計算，兩種方法所得結果基本一致。
  14. Appraising the existing structural reliability is an important embranchment of the theory about reliability. today, the methods of appraising the existing structural reliability that is used in our country generally belong to applied methods, but the expression about verifying the bearing capacity in this method is educed according as statistical information of future structures. because the statistical property of existing structural loading and resistance is obvious different form the future structure, the methods ca n ' t reflect the statistical property of existing structural

    現有結構可靠性評定是結構可靠性理論的一個重要分支，我國目前的建築物可靠性評定方法總體上屬于實用鑒定法，但這種方法的承載力校核表達式是依據擬建結構的統計信息得出的，由於現有結構的荷載、抗力等的統計特性明顯不同，因此這種方法難以合理反映現有結構的具體特性，而應根據荷載、抗力等的具體統計參數，建立現有結構的承載力校核表達式。
  15. The study gives a qualitative and quantitative dynamic fracture analysis, and a three - dimensional finite element program is developed to compute the dynamic stress intensity factor for a semi elliptic surface crack in an elastic solid of finite size under impact loading

    在定量分析中，編寫了該裂紋結構受沖擊載荷作用下的全尺寸三維動態有限元程序，並進行了大規模的數值計算，確定了表面裂紋動態應力強度因子，論證了該事故發生的原因。
  16. This paper derives the fundamental equation of differential callus of the load transmission in the system of pile and soil when a single pile is vertically loaded ; moreover it answers some typical cases of destruction. some theories of the bearing capacity of a single pile under vertical loading and some ways of making certain of it are generalized and summarized. concerning a practical engineering, they are specif ically utilized

    本文系統闡述了樁基礎的類型及特點，在前人研究的基礎上導出了單樁在豎向荷載作用下樁土體系荷載傳遞的基本微分方程，通過分析影響荷載傳遞的因素入手，對單樁的幾種典型破壞模式進行了分析總結，並以由於地基土強度破壞而導致的樁基破壞模式為重點，推導其荷載傳遞曲線，進而用高等數學結合土力學方法推求樁土之間用深度和位移表達的荷載傳遞的微分方程。
  17. The resistance attenuation of each element is considered in the design process, and the statistical parameters of the elements are assumed to be the same as the investigated results of china. in the process of the calculating of the element reliability attenuation in expected service life, several load combination and different load ratio of dead load to live load are considered. in order to ensure that structure reliability in expected service life satisfies the requirement of today ’ s code, a method of choosing the initial reliability index of structure basing on the length of expected service life and the structure resistance attenuation is proposed and the corresponding durability reduction factor is chosen by an optimum algorithm

    根據我國現行建築結構可靠度設計原理，考慮耐久性退化影響因素，設計了抗力統計參數與我國調查結果一致的五種代表性鋼筋混凝土構件，考慮多種荷載效應組合以及不同荷載效應比，研究了不同使用期內代表性構件的可靠度變化規律;為保證預期使用期內結構可靠度水平仍可滿足現行規范要求，提出了根據預期使用期和抗力衰減幅度確定結構設計可靠度指標的方法，並通過優化的方法確定了預期使用期內的耐久性折減系數，給出了預期使用期結構可靠度設計的實用設計方法。
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