荷載點 的英文怎麼說

中文拼音 [zǎidiǎn]
荷載點 英文
load acting point
  • : 荷名詞(蓮) lotus
  • : 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 ...
  • : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
  • 載點 : loading point
  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,對錨桿支護結構的應力場、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應力、變形的影響。
  2. 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力上程計算方法;對基於彈塑性理論分析的地基承力國內尚未見報道的空間問題得到了圓形基礎(空間問題)的承力界限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? ?樁端巖基承力的確定問題,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? ?反力裝置,設計了側壁支撐反力加系統,該加系統具有實用、簡便、穩定及安個等優
  3. The point at which branching of the graph occurs is called a bifurcation point and corresponds to a critical value of the load.

    圖上發生分叉處的叫分支,它相當于的臨界值。
  4. It may be observed that this bifurcation phenomenon is somewhat abstract, since it will only arise if kj is perfectly aligned with the load.

    可以發現,分支現象有抽象,因為它只能發生在KJ與成一條直線的情況下。
  5. Compared with lrc method, the llc method has virtues of briefness in calculating and definitude in physical significance. and the llc method also can unify the wind load equations for main structure design and shielding system design

    相比lrc法, llc法具有計算簡便、物理意義明確的特,同時llc法還將用於結構整體設計和圍護結構設計的風計算公式進行統一。
  6. When reinforced concrete upper structure - piled raft - subsoil system is studied, every part of this system is looked upon homogeneous discrete space. accofding to static equivalent principle, equivalent node loads are calculated, and load embattle is integrated with element equivalent node force and directly bearing load

    在分析時,本文將鋼筋混凝土上部結構和地基、基礎的研究問題視為各向同性空間問題,且按靜力等效原則計算等效節列陣由單元等效結力和直接作用於單元結上結集成而得。
  7. The live loads were applied by a standard system of ring dynamometers with attachment points distributed uniformly on the upper surface of the decking.

    用一系列標準環式測力計施加活,其接觸均勻分佈於面板的上部表面。
  8. In the chapter 3, algor feas ( also called super sap ), a commercial fem software is introduced ; several. problems in building the finite element model of a auto frame is researched ; taking advantages of fem and mathematic programming, a strength analysis method of the frame of a series multi - spindle hydropneumatic suspension automobile is proposed ; taking the structure and load characteristic of a missile ' s frame into account, the static, eigenvalue and response analysis have been made by using super sap91

    第三章簡要介紹了大型有限元軟體sap91 ;對車架有限元建模及分析中的若干問題進行了討論;利用有限元法和數學規劃法相結合,提出了一種串聯多軸油氣彈簧懸架車輛車架強度分析的方法;針對某導彈發射車車架的結構和,利用sap91軟體對其進行靜力分析、特徵值分析和動力響應分析。
  9. A joint j is typical of those at which there is no external load.

    J是無外作用的典型節
  10. Element stiffness matrix and nodal load matrix of circular beam

    曲梁的單元剛度矩陣和節列陣
  11. Choose two nodes on the edge of the structural to compare the results calculating by the finite element program midas, then we can draw a conclusion that these kinds of space truss systems is sensitive to the libration of the dynamic wind loads. to consider this factor is very necessary in the process of design, we will use the pulsant augmentation coefficient to realize it

    比較靜力風和動力風作用下的有限元軟體的計算結果,選取結構邊緣部分的兩個節,對比它們在兩種方法計算下的最大位移的計算結果。經過比較可以看出重量輕、頻率低、阻尼小的柔性建築物對風的橫向振動是很敏感的,在進行工程設計時應該考慮這種因素,並可採用乘以風振系數等相應方法來加以體現。
  12. 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變化的規律; (二)通過單柱承力試驗,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、極限承力、極限變形等參量; (三)通過柱架低周反復試驗,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力和極限變形、及榫卯減振參數; (四)通過斗?低周反復試驗和受壓試驗,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;按結構分層特對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多同步測量,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。
  13. In this thesis, studies are focused on as follows : ( 1 ) based on analyzing the general transfer - matrix, the conception of the generalized double layer soil model is proposed, and the transfer - matrix ( r ) of half - infinite elastic mass is introduce - d to the analytic expressions of stress and settlement under the uniform circular, rectangular and strip vertical loads in multi - layered soil ; ( 2 ) according to the analytic expressions of the additional stress and settlement under unifo - rm circular in multi - layered soil, rectangular and strip vertical loads, the programs are develop - ed to resolve and debugged. the results show that the programs are correct ; ( 3 ) through calculating the coefficient of additional stress on the central axis of uniform circ - ular vertical loads, under the corner point of the uniform rectangular vertical loads, and on the central axis of uniform strip vertical loads, and the settlement on the center of uniform circular vertical loads and uniform rectangular loads in double - layered soil, the characters of stress and settlement are discussed ; ( 4 ) a case, as an example, is studied with different calculation methods, such as traditional theory, fem. the results obtained are compared

    本文在已有研究成果的基礎上進一步開展了以下幾方面的研究: ( 1 )在對層狀地基傳遞矩陣法中的總傳遞矩陣分析的基礎上,提出了廣義雙層地基模型的概念,並把半無限體的傳遞矩陣r引入到多層地基在圓形垂直均布、矩形垂直均布及條形垂直均布作用下附加應力與沉降的解析式中; ( 2 )根據多層地基在圓形、矩形垂直均布及條形垂直均布作用下附加應力與沉降的解析式,編制了程序,調試通過並驗證了其正確性; ( 3 )通過對雙層地基圓形垂直均布中心軸線上的附加應力系數和中心沉降,矩形垂直均布下的附加應力系數和沉降及條形垂直均布中心軸線上的附加應力系數進行的計算,探討了雙層地基中的附加應力與沉降特性; ( 4 )應用本文的層狀地基體系理論對一個工程實例進行了計算分析,並與傳統的計算方法的計算結果和有限單元方法的計算結果進行了對比分析,結果表明利用層狀地基理論計算更能反映地基中附加應力分佈的實際情況。
  14. Ultimate stress increment is a hotspot problem in theory of unbonded partially prestressed concrete structure, however, according to design critera and the art of the state on this issue around the world, it is still not considered in reason that ultimate stress of unbonded tendons in prestressed concrete multi - span continuous structures varies with load cases

    無粘結筋的極限應力增量一直是無粘結預應力混凝土結構理論中熱問題,而從目前各國的設計依據及研究現狀來看,還沒有合理考慮多跨連續結構的無粘結筋極限應力隨工況變化的情況。
  15. Firstly, a set of formula is developed for uniplanar x - and multiplanar xx - joints loaded with axial forces, in - plane bending moments and out - of - plane bending moments respectively. in china, it is the first time to develope a set of formula for full - width joints considering the membrane effect

    在總結國內外研究成果的基礎上,本文對方管平面x型和空間xx型相貫節在軸力、平面內彎矩和平面外彎矩等工況作用下的靜力工作性能建立了一種更合理的理論簡化模型研究方法。
  16. The system reliability analysis method of arch - bridge is presented based on the failure model of arch rib, which is the most important failure model of arch - bridge. the control sections of arch rib in the analysis of bearing capacity reliability are determined according to the " five - spot coincidence method ", which is often used in arch - bridge design with chinese code

    針對拱式橋結構體系中的主要受力構件?拱肋進行分析,借鑒拱橋設計中的「五重合法」確定研究截面,進而根據該截面的不利情況確定布置型式。
  17. In this thesis, four types of steel beam - rectangular cfst column connections, including normal welded flange plate ( wfp ) connection, bolted flange plate ( bfp ) connection, stiffened end plate ( sep ) connection and double split - tee plate ( dst ) connection, were designed based on the configuration of steel frame connection. total 8 models, 2 models of each kind of connections were tested under low - reversed cyclic loading at the end of cfst columns. the relationships between force and displacement at the end of columns, the relationships between the moment and rotation of the joints, degradations of strength and stiffness, ductility, failure mechanism and failure characteristics of these four connections under different axial - compression ratios were presented

    本文借鑒鋼框架節構造,設計了四種類型矩形鋼管混凝土柱與鋼梁連接節,包括常規栓焊( wfp )節、翼緣全螺栓連接( bfp )節、雙t板連接( dst )節以及加勁端板連接( sep )節,進行了四類節8個模型試件在柱端低周反復作用下的抗震性能試驗研究,比較了不同軸壓比下節的滯回性能、強度與剛度退化、延性、破壞機理與破壞特徵,主要結論有: 1 、節的位移滯回曲線與轉角滯回曲線為塊型分佈,沒有或略有捏攏現象,耗能能力強; 2 、軸壓比對節滯回曲線有顯著影響,全部節都有顯著的剛度退化; 3 、位移與轉角骨架曲線在峰值後有較長的水平或下降段,具有良好的延性性能; 4 、從整體抗震性能上看,翼緣全螺栓連接節、雙t板連接與加勁端板連接節都優于常規栓焊節,可在實際工程中加以推廣。
  18. By using 5000kn pressure - bent testing machine, the specimens of boulder concrete and crushed stone concrete were tested through three - point - bending method and wedge - split tensile method, the scale division of the index dial of pressure - bent testing machine is larger, whereas the predicted test - load is lesser, so the velocity of exerted load is controlled through observing the reading of the multimeter which is connected with the collecting systerm in order to continuously exert test - load

    本文使用5000kn壓彎實驗機,對不同強度等級的卵石混凝土和碎石混凝土試件分別進行了三彎曲試驗和楔入劈拉試驗。試驗過程中,由於實驗機噸位較大,而試驗預計較小,為了能夠有效地控制加大小和加速度,採用通過觀察與傳感器相連的萬用表讀數控制加速度的方法,連續加
  19. Therefore, the prestress of the cable should make sure that the cable is in the tight state in the entire process. the largest wind load which the prestressed cable truss can undertake is studied emphatically in the article

    因此,索中初始預應力應能保證索在工作的全過程中始終處于張緊狀態,以此為條件,本文重研究了預應力索桁架所能承受的最大風值。
  20. This paper presents a manufacture and calculating method for castellated beams. according to the method, three beams are designed and tested, the detailed and trustworthy experimental data are obtained. in comparison of the castellated beam with the circular hole castellated beams during the process, that the yield of load and the strength limit for the latter are higher than the former is verified

    本文通過設計製造兩種不同截面形式的3根蜂窩梁( 2根圓孔、 1根六邊形孔) ,進行了兩集中下的試驗,取得了較為翔實可靠的試驗數據,通過整理與分析,對兩種蜂窩梁的整體受力性能和承力作出評價,得出圓孔蜂窩梁的屈服和極限承力都高於六邊形孔蜂窩梁的結論。
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