載荷應力 的英文怎麼說

中文拼音 [zǎiyīng]
載荷應力 英文
loading stress
  • : 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 ...
  • : 荷名詞(蓮) lotus
  • : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • 載荷 : load; loading載荷變化 load fluctuation; variation in load; 載荷裝置 load device
  1. Fist of all, on the basis of the research of agone boffins, this author investigates the interaction mechanism of bolts and rock, and introduces the elastic ? lastic analytical resolution which is consist of the liner structure, the equivalent reinforced wall rock and the original wall rock in the simple loading from the equivalent well - proportioned view ; this solution is very important meaning for the engineering design. on the basis of coulomb friction model, the author introduces the finite element equation of the contact problem in order to provide the academic foundation for the application of msc. marc. finally, combining the engineering practice of the non - linear analysis of shield tunnel through yellow river of the south - north water transfer and using the model of friction, the author researched the evolution law of stress and displacement field in the structure of grouted rock bolts, and analyzed the effect to the stress and deformation of surrounding rock mass due to anchor supports

    首先,在前人研究成果的基礎上,對錨桿與圍巖的相互作用機理進行研究,利用全長錨固錨桿的中性點理論,從等效均化的角度來考慮錨桿對圍巖的加固作用,並推導了在簡單作用下,含有襯砌、等效加固后的圍巖、原始圍巖三者的彈塑性解析解,對工程設計有著重要的參考意義;在數值模擬方面,以考慮錨固圍巖滿足規則化庫侖摩擦模型為基礎,利用虛功原理推導了接觸問題的有限元方程的計算格式,為開發運用大型商用有限元軟體msc . marc提供了理論根據,也形成了本文的理論基礎:最後,論文以南水北調東線穿黃隧洞穩定性分析項目為工程實例,利用本文所述的接觸問題的摩擦模型理論,對錨桿支護結構的場、位移場的變化規律進行了研究,分析了加錨支護對隧洞圍巖、變形的影響。
  2. Under kinds of conditions, these stresses, strains and their development of concrete, steel, and angle iron were shown. during the whole process, the rate of sharing the loading for the angle iron was also indicated

    給出了各種情況下混凝土、鋼筋和角鋼的變值及其發展變化情況;給出了各種情況下,角鋼在加固過程中承擔的比率。
  3. With the help of the electronic computers, engineers employ it to figure out nearly all kinds of engineering problems ranging from astronavigation, construction, waterpower projects, ship - building and mechanical engineering etc. owing to the strong power of finite element method, one kind of software pack which based on the method is exploited and named algor feas to resolve problems on structure analysis for trusses and shells. this paper also employ algor feas software pack to analyze and compute the cableway towers, giving the accurate result on stress and displacement both in location and whole. finally, we also bring out some advice on structure improving

    在此分析過程中:首先將物理模型簡化為學模型,主要是將塔架結構按空間桿單元簡化為空間桁架結構,目的是將學模型變換為數學模型;這一過程主要是利用autocad2000建立塔架的計算模型;再者,利用algorfeas軟體包讀入autocad建立的塔架計算模型生成初始數據卡利用計算機進行編程進行風計算,再將計算結論整合入algorfeas產生的初始數據卡中,生成計算數據卡;接著,利用algorfeas軟體包計算塔架在不同情況下的圖,位移圖,並且求出在不同條件下的最大位移和最大等;然後,對塔架的穩定性進行分析;最後;根據計算結果提出改進建議。
  4. Stress analysis of symmetrical and thick wall components with axial symmetry in geometry and load

    幾何軸對稱及軸對稱厚壁零件的分析
  5. 2 transmission of longitudinal stress wave in non - defect pipeline excited by axial symmetry impact has been studied by the numbers

    2 、對無缺陷管道中受軸對稱沖擊下激勵出的波進行了較為系統的實驗研究。
  6. In the dissertation ' s chapter 3 to chapter 5, the mechanical and physical performances of the engineering plastics are analyzed, the failure mode and the designing computing methods of engineering plastics member suffering the static load, dynamic load, impact load, pulse load, are studied. by the practice application and ball firing experiment of the engineering plastics key piece in the weapons, the precious experiences, for engineering plastics application and confirmation of the material performances guideline in the weapons, are obtained

    論文的第三章至第五章,分析了工程塑料物理機械性能,研究了受靜、動、沖擊及脈沖下工程塑料構件的失效模式和設計計算方法,通過工程塑料在槍械關鍵受結構件上的實際用和實彈射擊試驗,取得了寶貴的經驗,為高性能工程塑料在槍械上的用和材料性能指標的確定奠定了基礎。
  7. It can be said that the solution to the space problem of limit load and the calculation of foundation bearing capacity for deformed groundwork have some academic and scientific value. the dynamic pile testing of foundation and batholith as well as deep well load testing system has been put into use in real work environment and gained some social and economic benefit

    本文關于界限的空間問題解答,考慮地基變形的地基承工程演算法具有一定的學術價值;本文中的地基(及巖基)承動測法及深井試驗系統已在工程實踐中用,並取得了較好的社會和經濟效益,具有一定的工程實用意義。
  8. 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問題進行了實用化的探討,提出了考慮地基變形的地基承上程計算方法;對基於彈塑性理論分析的地基承國內尚未見報道的空間問題得到了圓形基礎(空間問題)的承界限p _ ( 1 / 4 ) ,並與國內外土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學承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)承的動測法進行了研究,為各類地基(包括巖基) ,匯總了動分析和檢測川的參數:針對日前巖土工程界用樁基設計規范中的難點? ?樁端巖基承的確定問題,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、土學計算及深斤試驗四方面進行了深入討論;本文作者根據多年現場試驗的工程實踐,對深井試驗裝置的核心部分? ?反裝置,設計了側壁支撐反系統,該加系統具有實用、簡便、穩定及安個等優點。
  9. By analyzed interactions of combined limit pipe load components, simplified check formula for pipe load strength are put forward and the calculation method of relevant allowable pipe load values based on shell finite element analysis is presented as well

    通過對組合極限接管分量相互關系的分析,提出了接管強度驗算簡化公式和以殼結構有限元分析為基礎的許用接管計算方法。
  10. The existing theoretical analyses have n ' t refelcted this true mechanism of the force transfering in fixed segment of anchor bar. for the sake of studying the working course from elastic to elastoplasticity slide better, this paper put forward shear stress - displacement curve, and solve the internal force distribution along anchor bar by the basic equntion. at the same time, this paper analysize the difference of columniform fixed segment and the segmeng with anchor slab at the foot of anchor bar

    為了更好的研究錨桿在不同作用下,錨桿的工作狀態從彈性到彈塑性發展的整個過程,本文進行了錨桿受的模型實驗研究,根據實驗結果提出了剪與位移的彈塑性本構關系表達式,並根據錨桿受的基本方程,求解得出了錨桿在不同工作狀態下從彈性到彈塑性滑移的全過程中錨桿的內分佈。
  11. 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,引入頻率影響因子,對低周、高低周復合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。
  12. The plating in ships is generally subjected to combined in - plane and lateral pressure loads. in - plane loads include biaxial compression / tension and in - plane bending and edge shear, which are mainly induced by overall hull girder bending and / or torsion of the vessel. lateral pressure loads are due to water pressure and cargo

    面內分為軸向壓或拉、邊緣剪切以及面內軸向彎曲。實際的船舶結構中面內通常由船體梁的總縱彎曲或者船體梁的扭轉引起。側向壓則由水壓和貨物壓引起。
  13. Modeling the general solid web continuous box girder and opening - in - web ( open web ) continuous box girder by ansys finite element modeling tool, node stress of governing section and corresponding shear lag values are analyzed. the solution is validated by comparing with variational results and modeling test values. based on the model, the section shear lag induced by dead load, prestress tendons and car loads under the most unfavorable condition and lateral symmetry are also approached. the influence of shear lag effect in double - level continuous box girder is considered with opening - in - web and the web location. the analysis indicates that double - level - load arouses less shear lag effect than one - level - load. when self - weight and prestressed tendons act on together, the shear lag effect on box girder take on a evidently change

    基於所建立的有限元模型,本文分別對實腹和腹板開孔兩種箱梁在恆、車、預作用時,各主要截面的剪滯效進行分析,通過施加縱向最不利的和橫向對稱的車輛,研究實腹連續箱梁和空腹連續箱梁在承受雙層和單層時引起的剪滯效,並考慮腹板開孔及開孔位置對于連續箱梁剪滯效的影響。分析表明,雙層車對于箱梁引起的剪滯系數比單層車的影響要小,對于箱梁中存在引起的剪滯后現象有一定的改善作用。
  14. The characteristic of stresses in design by analysis, such as the self - limiting, the redistribution of load ( stress ) and the types of distribution through thickness will be discussed to co - workers at home and abroad

    摘要對分析設計中各類的特性,如自限性和)再分佈、各類沿壁厚分佈的類型等和國內外同行進行討論。
  15. The conclusions have been deduced from the detailed analysis of a set of experimental results as below : 1 ) the formula of tangent young ' s modulus et has been established during the unloading process ; 2 ) the shearing features of the samples are similar to undrained test even though there are draining paths so the possion ratio of the sample is about 0. 5 ; 3 ) unloading paths have little effects on the shearing strength parameters

    通過對試驗結果的分析得到: 1 )任一時刻土體的切線彈性模量公式; 2 )卸情況下盡管存在排水通道,但試樣仍基本上表現為不排水的性狀,按廣義虎克定律得到的泊松比在0 . 5附近; 3 )卸路徑對土體的強度參數影響不大。
  16. Advancing load stress

    升高載荷應力
  17. In first part of the thesis, by a review of the research on aircraft sonic fatigue, the formulas for calculating natural frequencies of the typical aircraft skin - panel structure with four edges simply - supported or four edges fixed - supported were drawn, the response of displacement and stress was analysed under the condition of random white noise loading with the steady - state or unsteady - state. the procedure how to use data of s - n curve under constant loading for predicating the fatigue life of skin - panel subjected to random loading was shown

    通過對聲疲勞問題研究的回顧,根據典型飛機蒙皮壁板模型,整理了四邊固支,四邊簡支兩種邊界條件下多階模態固有頻率,非平穩及平穩隨機白噪聲下的位移和,以及如何從等幅s ? n曲線求得隨機載荷應力下的疲勞壽命。
  18. Abstract : on the base of the analysis of kinematics and dynamics f or i ntroduced some types of cone crushers, this paper constructs the dynamics models with the fin ite element method on the main components of the cone crushers, such as main shaf t, moving cone and offcentering axial bushing. according to the characters of the load, the paper simplifies and counts the external loads. then using the software of ansys and employing the elements of high accurate three dimension block, the paper analyzes the strength and rigidity of the finite element method and a ttains valuable results

    文摘:在對引進的某型圓錐破碎機的運動學及動學分析的基礎上,建立了該破碎機主要部件主軸、動錐及偏心軸套的有限元分析模型.根據特點,簡化並計算了外.用ansys軟體,選用精度較高的三維塊單元,對其進行了有限元分析,得出了具有參考價值的計算結果
  19. According to construction features of three - span prestressed concrete and continuous rigid frame box with v pier bridge, the paper demonstrates the shell finite element theories, c onstruct the spatial model, and researches its spatial stress and variable regularity under different loads including uniform load, concentrated load and prestressing force wire. morever, the paper studies vibratory modal of three - span prestressed concrete and continuous rigid frame box with v pier bridge, and sets about experimental investigation of the corresponding practical bridge

    本文根據典型的三跨預混凝土墩連續剛構橋的特點,提出採用板殼有限元法計算理論,建立其空間分析模型,研究該橋在不同(均布恆、集中活、預束)支承條件下的空間受特性和變化規律:探討了典型三跨預混凝土墩連續剛構橋的空間靜動特性及相的振動模態;探索一般的平面理論預測值與實際空間效的差異,並進行相的試驗研究。
  20. Static mechanics analysis of flexible paving on steel - box - girder - gridge deck

    鋼箱梁橋面柔性鋪裝學分析
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