頂破應力 的英文怎麼說

中文拼音 [dǐngpòyīnglì]
頂破應力 英文
rupture stress
  • 頂 : i 名詞（人體或物體的最上部） crown; peak; top Ⅱ動詞1 （用頭支承） carry on the head 2 （從下面拱...
  • 破 : Ⅰ動詞1 （完整的東西受到損傷） be broken; be damaged 2 （使損壞） break; break down; damage 3 （使...
  • 應 : 應動詞1 （回答） answer; respond to; echo 2 （滿足要求） comply with; grant 3 （順應; 適應） suit...
  • 力 : 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...
  1. Thedevelopment development hydraulic jack, the bearing heater, thebearing get up pulling out, the hydraulic pressure spanner, thehydraulic pressure pulls a horse, the hydraulic pressure small crane, nut broken cutting, the oil filter machine and the pipe bendingmachine and so on the advanced practical mechanical and electricalservice product has the world advanced level, the product and thetechnology widely applies to domain the and so on electric power, petrification, chemical industry, metallurgy, mine, spinning andweaving, papermaking machinery service department and the machinemanufacture unit, and in the daya bay nuclear power station, beijingsteel corporation, wuhan steel corporation, the baoshan steelcorporation, the daqing oil field, the victory oil field, the golmudoil field, the three gorges power plant, yangzi petrifies, qi and lupetrifies and so on in the national large and middle scale enterprisesand the project the comprehensive promoted use

    研製開發的液壓千斤頂，軸承加熱器、軸承起拔器、液壓扳手、液壓拉馬、液壓小吊車、螺母破切器，濾油機和彎管機等先進實用的機電維修產品有世界先進水平，產品和技術廣泛應用於電力、石化、化工、冶金、礦山、紡織、造紙等領域的機械維修部門和機械製造單位，並在大亞灣核電站、首鋼、武鋼、寶鋼、大慶油田、勝利油田、格爾木油田、三峽電站、揚子石化、齊魯石化等國家大中型企業和工程中全面推廣使用。
  2. 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。
  3. The principal stress value arised alteration, the magnitude of stress closed to 25 ~ 32mpa, its influence scope was within the scope outside of tunnel opening 10 ~ 15 meter, maximum tense focused at vault and middle of floor about half meter. shearing stress focused at corner of vault and wall, always been sheared

    主應力量值也發生了較大改變，壓應力可達25 32mpa ，其影響范圍在隧道邊墻外10 15m ；拉應力集中在拱頂和底板中部約0 . 5m范圍內，最大可達10mpa ；在拱腰和墻腳常為剪應力集中區，易發生塑性剪切破壞。
  4. In the paper, other research results are summarized, and a big test model indoor of row pile retaining and protecting deep foundation pit is designed. for homogeneous soil or samdwich soil structure three different retaining and protecting kinds : dense pile, thin pile and without pile are designed, using excavation simulation and loading on the top of slope, the model test is divided into two stages : foundation pit excavation simulation stage and destroy test stage. in this paper, for three different retaining and protecting kinds, the relation between soil pressure and displacement of piles, the relation between soil stress and strain, interaction of pile and soil and retaining and protecting loss - stability destroy are systemic studied

    本文總結了前人研究成果，構築大型室內深基坑排樁支護試驗模型，在均質及層狀土層結構地基上，設計了密排樁、疏排樁及無支護三種不同支護型式，採用模擬開挖與坡頂均布加荷方式，進行了模擬基坑開挖和破壞性的兩個階段試驗，對三種不同支護型式的土壓力與樁位移、土體應力與變形、樁土共同作用及支護結構失穩破壞進行系統研究。
  5. ( 三 ) under the dynamic load of the explosion, the numeric analysis has been done and achieve the rule as follow : ( 1 ) when the frequency of vibration is 0. 3hz, the acceleration of the slopes top gets the maximum ; so 0. 3hz is believed the natural frequency of the slope as a whole ; ( 2 ) the vibration of explosion can been magnified because of the condition of the landform, when the relative altitude is up to 45m, the acceleration of horizon gets the maximum ; when the relative altitude is up to 100m, the absolute value of acceleration and the deformation of horizon is larger than that in the bottom of the slope ; ( 3 ) in the period of forced vibration, at the top of the slope, the acceleration of horizon become larger and larger ; at the middle part of the slope, it becomes smaller ; ( 4 ) when the explosion velocity of is much little, the shallow part destruction is the primary deformation of the slope

    （三）採用模態疊加法針對爆破動力作用，進行邊坡的動力響應分析，得出了以下結論： （ 1 ）振動頻率為0 . 3hz時，坡面頂部水平向加速度峰值最大；綜合考慮，可認為該邊坡的自振頻率為0 . 3hz左右； （ 2 ）地形對爆破地振動存在放大作用，研究剖面的坡面，水平向加速度及位移在地形相對高差45米左右最大，而後隨相對高差的增高而減小，相對高差為100米時，水平向位移及加速度絕對值均大於坡腳； （ 3 ）強迫振動段，水平向加速度值隨時間變化的規律為：坡頂節點總的變化趨勢是越來越大，而坡體中部節點的變化趨勢是越來越小； （ 4 ）當爆破振速較小時，變形破壞的形式表現為坡頂表面滑塌型。
  6. By adopting the method of coupling analysis, and a comprehensive consideration on composed pressure and affections of pre - tightened radial force and thermal stress, the internal stress field of anvil was obtained and the damage mechanism was expounded

    採用耦合分析方法，綜合考慮合成壓力、徑向預緊力和熱應力的作用，獲得了頂錘內部的應力場，闡述了破壞機理。
  7. The paper introduces large - scale fem software, algor, by which the auther can build model of hanging box of high pile cap, and simulates accurately three loadcases, which include loadcase behind enclosed concrete, loadcase behind empty water in hanging box, and loadcase behind high pile cap construction. the auther calculates tensor and displacement of hanging box weir when loads exert panels, supports, suspenders, top beams, base beams of hanging box weir. at the same time the auther carrys out th e stability analysis, besides, educes calculational and analytical data, which are tally with construction result in the main

    論文介紹大型通用有限元計算軟體algor ，並用軟體建立大遼河特大橋高樁承臺吊箱圍堰的全結構模型，相對準確地模擬灌注封底混凝土后、抽除吊箱內河水后、承臺破冰體施工后等三種受力工況，並用模型進行了應力和變形的計算，計算各工況荷載作用於吊箱全結構箱體板面、內支撐、吊桿、懸吊頂梁、底梁等的應力和變形，並對比吊箱圍堰板面計算變形和施工實測變形，結果是吻合的；對大遼河特大橋高樁承臺輕型吊箱的穩定性進行了計算分析；論文研究工作表明，應用組合有限元方法計算大型施工結構問題具有現實意義。
  8. In order to reveal load mechanism and failure mode of thick pile caps, by means of the test of 1 / 4 - scale models of thick pile caps with six piles and post - handling study of 3 - dimensional non - linear finite element adina, this paper points out the shortage, which is that the design of pile caps is carried out by flexural strength in chinese technical code for building pile foundations jgj94 - 94 and american reinforcement concrete building construction code aci318 - 02, promulgates that the failure mode of thick pile caps is punching failure and load transfer mechanism is the strut - and - tie, which is that zones of concrete with primarily unidirectional compressive stresses are modeled by compress struts, while tension ties are used to model longitudinal reinforcement over pile

    摘要為揭示厚承臺的傳力機理和破壞形式，通過對4個1 : 5比例的六樁厚承臺的模型試驗研究與三維非線性有限元adina的后處理研究，指出中國建築樁基技術規范jgj94 - 94與美國鋼筋砼房屋建築規范aci318 - 02規范中，承臺以彎曲強度進行配筋計算的設計方法之不足，揭示出厚承臺的破壞模式是沖切破壞，傳力機理是以帶有主要單向壓應力的砼區域作斜壓桿，樁頂區域的縱筋作拉桿的空間桁架。
  9. This paper introduces the limit - destruction theory to study and analyze the function - mechanism of sand cushion in the collective function of the piles and the earth, and then brings forward the regulating - equation of the stress ratio between the up - pile - soil and the top of pile concerning the sand cushion. its final calculating result basically tallies with the practical function conditions. this provides an alternative approach to the study of sand cushion

    4在復合地基樁、土共同作用中，墊層的作用和機理，本文引入極限破壞理論對砂墊層作用機理進行分析研究，提出砂墊層的樁頂樁土應力比協調方程，其計算結果與實際作用情況較吻合，為砂墊層研究提供了一種思路。
  10. This thesis used along caldwell ' s direct calculation method of the ultimate strength of ship hull girders, considered the double bottom and upperwing tank to ship ultimate strength contribution, first defined the stress distribution of the whole section of the ship girders. that is : in the sagging condition, deck and side shell of nearby deck remain the ultimate bucking strength, double bottom remain the yield stress. and the other parts keep elasticity

    本文沿用caldwell等人直接計算船體極限強度的思想，考慮雙層底和頂邊水艙對船體極限強度的貢獻，首先將船體梁整體破壞時剖面應力分佈確定為：在中垂狀態下，甲板及甲板附近的舷側均屈曲，雙層底區域則均屈服，其他部分保持彈性狀態；在中拱狀態下，雙層底及之間的底舷側均屈曲，甲板及頂邊水艙區域均屈服，其他部分則保持彈性狀態。
  11. Products are : super high pressure electric, pneumatic, manual oil pump ; pre - stress jack for the use of coal mine and construction ; steel bar and cable scissor ; all kinds of bolt for safety supporting and bolting ( km19 and km22 bolt have all got the certificate of “ ma ” in china. ) ; cable anchor and bolt test stand ; hydraulic nut scissor and etc

    產品有防爆式超高壓電動、風動、手動油泵；煤礦、建築用預應力張拉千斤頂；鋼筋、鋼絞線切斷器；安全支護用各種錨具（ km19 、 km22錨具在國內率先取得煤安證書） ；錨索錨具靜載拉伸試驗臺；液壓螺母破切器等。
  12. The mechanic character, destroying pattern, the ductile and dissipation energy capacity of this composite structure under the earthquake have been clarified. the stiffness degradation, natural frequency, damping ratio of this structural system with the development of intensity of earthquake have also been investigated. with consideration of the top displacement, drift of story and micro - strain of longitude steel bars, the equivalent shell wall method has been presented in order to simplify the design of such type structure

    通過試驗，掌握了該結構體系在水平地震荷載作用下的受力特點、變形與耗能性能、結構的破壞形態等力學指標：得到了結構在不同地震烈度條件下的剛度變化、自振頻率、阻尼比等動力特性；綜合結構的頂點位移、層間轉角以及鋼筋的微應變，提出了適合於該結構體系簡化設計的「等效剪力墻法」 。
  13. Afterward, element internal forces and node displacements under the el - centro are studied by time - history method, the conclusion was obtained that the pre - stressed ribbed dome structure has a good dynamic performance, but at the same time, it ' s been pointed out that the pre - stress is necessary to structure, without it, the structure may be destroyed

    然後，通過對結構在el - centro地震波作用下內力和位移時程曲線的分析，發現該加肋預應力穹頂結構具有良好的動力性能；但同時指出在索中沒有施加預應力的情況下，結構將容易遭到動力破壞。
  14. The studying results show that three types of surrounding rockmass pressure were put out, they are tension collapse, extrusion press slide types and gravity fall surrounding rockmass pressure, and then calculating formula have been discussed

    研究認為，低地應力區地下洞室圍巖壓力可分為拱頂橫向拉張塌落型、側壁切向擠壓滑落型和洞周自重掉落石塊型三種破壞類型產生的圍巖壓力，並討論了低地應力區地下洞室圍巖壓力的計算公式。
  15. The underground tests show that the deformation and roof delamination of roadway surrounding rock can be effectively reduced by means of great increase of the bolt pretensioned stress, the steel strip plays an important role in the rock bolting system, and there exsits a critical value for pretensioned stress, up to or beyond which the rock bolting can effectively control the deformation and damage of the surrounding rock

    井下試驗表明，大幅度提高錨桿預應力可顯著減小巷道圍巖變形，有效控制頂板離層；鋼帶在預應力支護系統中起非常重要的作用；錨桿預應力存在臨界值，達到或超過臨界值后錨桿支護可有效控制圍巖變形與破壞。
  16. In order to study basic roof ' s destruction movement that affects working face in horizontal section top coal caving in mining steep seams, this paper analyses tension of roof using elastic and thin board theory and concludes criterion of roof destruction based on long and narrow thin board

    摘要為研究急斜煤層水平分段放頂煤開采過程中基本頂破壞活動對工作面的影響，根據急斜煤層基本頂具有傾斜狹長板的特點，運用彈性薄板理論對基本頂巖層進行了拉應力分析，得出了頂板破斷的判別準則，建立了基本頂初次破斷后形成的「鉸接結構」的力學模型。
  17. In order to study the basic roof ' s destruction movement that affects working face in horizontal section top coal caving in mining steep seams, this paper analyses tension of roof using elastic and thin board theory and obtains criterion of roof destruction based on long and narrow thin board

    摘要為研究急斜煤層水平分段放頂煤開采過程中基本頂破壞活動對工作面的影響，根據急斜煤層基本頂具有傾斜狹長板的特點，運用彈性薄板理論對基本頂巖層進行了拉應力分析，得出了頂板破斷的判別準則，建立了基本頂初次破斷后形成的「鉸接結構」的力學模型。
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