破壞載荷系數 的英文怎麼說

中文拼音 [huàizǎishǔ]
破壞載荷系數 英文
break load factor
  • : 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...
  • : Ⅰ形容詞1 (不好的; 惡劣的; 使人不滿意的) bad 2 (表示程度深 多用在表示心理狀態的動詞或形容詞後面...
  • : 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
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • : 數副詞(屢次) frequently; repeatedly
  • 破壞 : 1 (使建築物等損壞) destroy; wreck; ruin 2 (使事物受到損害) do great damage to; do harm to; da...
  • 載荷 : load; loading載荷變化 load fluctuation; variation in load; 載荷裝置 load device
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. Sicp / al matrix composites, with 5, 15 and 25 % volume fraction of sic particles, were prepared by vacuum hot - pressing sintering processing in this paper. based on mechanics properties, sem observation and energy dispersive x - ray analysis, the interface reaction phenomenon of sicp / al composites made by vacuum hot - pressing sintering, as well as the reinforcement and fracture mechanisms of this composite were analyzed. the dynamic responses of sipc / al composites were studied by a split hopkinson high - speed pressure bar impact system which strain rate was from quasistatic state strain rate ( 3. 3 10 - 3s - 1 ) to dynamic state strain rate ( 5. 2 103 s - 1 )

    本研究以武裝直升飛機防護裝甲材料為研究對象,採用真空熱壓粉末冶金燒結工藝制備了含sic顆粒體積分分別為5 、 15和25的sic顆粒增強鋁基復合材料,結合其力學性能、掃描電鏡和界面微區能譜分析結果,分析了sic _ p al復合材料的真空燒結過程中的界面現象,以及材料增強和斷裂機理,並利用hopkinson高速壓桿沖擊實驗統對其從靜態到動態(應變率為3 . 3 10 ~ ( - 3 ) s ~ ( - 1 ) 5 . 2 10 ~ 3s ~ ( - 1 ) )的壓縮響應進行了研究,分析了不同體積分sic _ p al復合材料高應變率壓縮下,材料的變形和微觀損傷機理,以及利用高速沖擊空氣炮測定了改復合材料制備剃度復合板的穿透性能。
  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、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; (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,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、耗能減振參等進行了定量分析。
  3. By the check - out, inspection and measurement to start construction the industrial art to this test pile with the examination between stake body mass and bearing power, made sure the stroke reasonable operation method drilling under the dissolved cavern geology term ; the pier foundation loading test expressed the lading and rub the lading that resistance drag a glazing for of relation, and to the borehole cast - in - place concrete pile in the karst terrain deliver with break the mechanism, the characteristic of bearing power, proceeding the spot test job of the full of result ; the test data expresses the stake side friction resistance to rises with a bat batch terminal friction resistance very important function, the of tip of pile resistance drag occupies the proportion very few

    通過對本次試樁施工工藝的檢測和樁身質量及承力的檢驗,確定了沖擊鉆在溶洞地質條件下的合理使用方法;基樁承實驗表明了與摩擦阻力之間的關,並對巖溶地區的嵌巖灌注樁的傳遞和機理、承力特性,進行了富有成果的現場測試工作;試驗據表明樁側摩阻和支盤端阻起很重要的作用,樁端阻力所佔比例甚少。這與設計樁基時的計算模式相差很大,承力也較設計增加;使用力學值分析方法和有限單元法,對鉆孔灌注樁樁端下的巖體強度和結構穩定性方面進行模擬計算和定量研究。
  4. The properties of cavity sandwith panel infill steel frame, such as hysteresis characteristics, stiffness, ducfility, failure models and characteristic of dissipation of energgy were gained in the test and compared with ordinary steel frame. the properties of cavity sandwith panel infill is abtained as well. 2

    通過試驗得出了空腔砌塊復合墻體鋼框架在低周往復作用下的p -滯回性能、剛度關、延性形式及耗能性能等特性,並與相同尺寸的一榀純框架的相關特性作了對比分析。
  5. The main conclusions are remarked as follows : ( a ) the theory formula between the ultimate tensile force and interface cohesive intensity has been established. according to ultimate tensile force from in - site measure, the scientific interface cohesive intensity parameter has been achieved, then, the numerical analysis of the tension - draw test has been made

    主要研究成果: 1 、從理論上建立拉拔試驗中「極限拉拔力」和「界面粘結強度」的關,再藉助現場實測的極限拉拔,獲取釘土界面的合理粘結強度參,對拉拔試驗進行值模擬分析,驗證了模擬模型中界面單元的可靠性和精度,並標定了值試驗中土釘的模態。
  6. On the basis of the study of traffic features of heavy - load vehicles, the vehicle weight data and the axle - load spectrum of different vehicles were collected for some typical heavy - duty roads in china, and according to the features of heavy - loading pavement, deficiency of the former load - figure are analyzed and new figures which are suitable for heavy - load pavements are put forward. meanwhile, based on the research of the cement concrete fatigue equation and the damage mechanism of asphalt pavement under heavy - load vehicles, axle load conversion equations fitting for heavy - load cement concrete pavement and asphalt pavement are established respectively by further analysis. in addition, design indices, traffic and material parameters and structural combination for heavy - load pavements are discussed in this paper as well

    本課題針對重道路路面設計中所存在的問題,從重交通特性出發,收集分析了國內幾條重道路的交通及軸組成情況,根據重交通的特點,分析原有圖式的不足,提出了適合於重瀝青、重水泥混凝土路面的圖式;同時,在重水泥混凝土路面疲勞方程及重瀝青路面機理研究的基礎上,通過對重路面軸換算公式的進一步研究,分別提出了適合於重水泥及重瀝青路面的軸換算公式;此外,本文還對重水泥、重瀝青路面的設計指標、交通參、材料參及結構組合等方面進行探討,統地提出了重路面的設計方法,並使之有效地運用到工程實踐中。
  7. The safety factors computed from both methods were compared it was revealed that, the failure of engineering structures does not only depends on the impose load but also, on the constitute materials behavior

    同時,對大壩材料參的敏感性也進行了分析,並比較了兩種方法所得的安全。結果顯示,工程建築物的不僅僅是由於施加的原因,同時也與組成材料的性質有關。
  8. With the material dynamic constitutive equation including damage and the effect of stain rate the predictable formula about ballistic limit velocity of fiber composite target. secondly based on the damage feature about ceramic / fiber composite target caused by impact load, analysis model about defense performance of ceramic / composite material target is formed and the predictable formula about ballistic limit velocity is also given. lastly using the reflection and projectile theory of stress wave the paper discusses the design of ceramic / composite material target, optimizes the design of double layer ceramic / composite targets, gains optimal coefficient under certain area density and discusses the variety relationship of area density and thickness with optimal coefficient u nder some ballistic limit velocity 3

    首先,分析了纖維類正交鋪層復合靶板在沖擊作用下的損傷機理,結合包含損傷和應變率效應的材料動態本構方程,建立了纖維復合材料板彈道極限速度的預測公式;其次,根據陶瓷/纖維材料復合靶板在沖擊下的特點,建立了陶瓷/復合材料靶板抗彈性能分析模型,給出了彈道極限速度預測公式;最後,利用應力波反射和透射理論討論了陶瓷/復合材料靶板的設計問題,對雙層陶瓷復合靶板的優化設計進行了分析,給出了在一定面密度下的最佳優化,討論了一定彈道極限速度下的面密度和厚度隨優化的變化關
  9. ( 6 ) conclusion was obtained by the analyzing the mechanics environment and the stability of the lanslide on the right bank after the dam built : the value of the rock mass stress increased and the tensile stress region obviously reduced, the direction of the principal stress was unchangeable the dam and the landslide were stable under the dangerous condition ( the reservoir and at the same time the earthquake was viii ), but when the water lever suddenly fell and did not think of other force, safe factor evidently reduced, the dam and the landslide will be destroyed under the most dangerous condition ( the water lever suddenly fell and at the same time the earthquake was vi ) ; the stability of the landslide will be destroyed by the horizontal thrust under the most dangerous condition or ; the physical and mechanical parameter will be reduced due to long period filter, the landslide will be destroyed too

    ( 6 )建壩工程條件下河谷巖體力學環境分析及右岸古滑坡體的穩定問題分析得出:建壩后河谷的巖體應力量值明顯增高,同時左岸的張應力區的范圍及量值明顯減小,主應力的方向依然與模型的底邊界垂直;大壩建成后逐漸蓄水階段以及同時考慮本區最強地震力的作用等各種不同的工況條件時,滑坡體及壩體總體上仍處于穩定狀態;水位驟降時,在未考慮其他外力作用的情況時,滑體的安全將顯著降低。若考慮水位驟降及本區最大地震力的共同作用,壩體將在滑坡體下滑推力的作用下產生;建壩后水平推力對右岸古滑坡體穩定性的影響分析可以看出,在最危險的工況條件下,壩體及滑坡體也將處于臨界狀態;在長期滲透變形的作用下,由於滑帶的物理力學參的降低而有可能導致壩體失穩
  10. Research results show that foundation pit slope soil structure destroy characteristic is subgrade shear strain destroy, namely, it is gradually destroy. lateral displacement of retaining and protecting piles has relations with embed depth, load grade and strength index parameter. soil displacement and timbering pile displacement are in harmony with deformation

    研究結果表明,基坑邊坡土體具有地基整體剪切變形的特點,漸進的過程;支護樁側向變形是樁嵌固深度、大小、土體強度參變量的函;土體的位移和支護樁的位移滿足變形協調條件。
  11. Abstract : based on the systematic analysis of the shear behavior for r. c. beams, the tests of 11 simple supported beams under the top concentrated loads and the uniform loads are supplemented. the prime variable is shear span ratio, span depth ratio, horizontal web reinforcement ratio and vertical web reinforcement ratio. according to the test results, the working behavior, the prime shear failure modes, the effect of concrete and web reinforcement ( horizontal web reinforcement and vertical web reinforcement ) and other aspects of r. c. beams are analysed. the uniform calculation method for shear capacity of deep beams, short beams and shallow beams for practical is presented

    文摘:在對國內外鋼筋混凝土梁的受剪性能進行較統分析的基礎上,補充了11根鋼筋混凝土簡支短梁在頂部集中和均布作用下的試驗,試驗梁的主要變化參為剪跨比、跨高比、水平腹筋率和垂直腹筋率.根據試驗結果,對試驗梁的工作性能、主要的剪切形態、混凝土項的抗剪作用、抗剪腹筋(包括水平腹筋、垂直腹筋)的作用等進行了較為深入的分析,提出了可適用鋼筋混凝土深梁、短梁和淺梁相互協調的受剪承力的統一計算方法
  12. In chapter 2, the fatigue mechanism of automobile half shaft is studied ; and intensified coefficient model based on fatigue failure theory and programmed load spectrum technology is also provided

    第二章研究汽車驅動橋半軸疲勞機理,在零件疲勞損傷理論和程序譜處理技術基礎之上給出路面強化模型。
  13. The dynamical parameter was regarded as evaluation guideline, and through investigating the change characteristic of the basin and modulus under different destroy boards, different area and different level loads, the identify methods of the pavement bursted have been given and we advise to use synthesize modulus ratio to evaluate the pass - loads capacity of the joints. we have also discussed the influence of different level loads to the joints pass - loads capability, and confirmed the commonness and oneness of the influence of the pass - loads and bursted to the basin and modulus under the critical loads, and the range of the critical loads was also given. basing on the determination of the pass - loads a

    以動態參作為評價指標,通過研討不同板的不同區域,在不同等級作用下彎沉、模量的變化特性,提出了路面脫空識別辦法以及利用綜合模量比來評價接縫傳能力的思想,探討了不同等級對接縫傳能力的影響特性,確定了臨界下傳與脫空對彎沉、模量影響的共性和單一性,並確定了臨界的范圍,在判定脫空和傳基礎上提出了水泥混凝土路面的壓漿效果的評價方法,通過研討與動態模量的關,對地基的動態性能進行了統的分析與評價。
  14. In the test, two frames with the same size which is one - half of the reality frame ' s size and the same reinforcement were designed and made firstly. one frame is made of schsc named sf ; the other is made of nhsc named nf. secondly, the mts loading system was used to put the two frames under low - cyclic loading

    實驗結果表明:自密實混凝土框架正向屈服、極限均較普通混凝土的大而其相應的位移卻相當;兩榀框架的形式都是彎曲,且兩者-位移的滯回曲線與骨架曲線非常相似;自密實混凝土框架的延性略高於普通混凝土框架,兩者的耗能能力基本相當。
  15. In order to study the main effected factors of the aseismic performance of concrete dampers, experiment of dampers in forms of concrete ductile columns was conducted subjected to low cyclic loading, the damage pattern, hysteresis behavior, ductility factor and equivalent viscous damper factor of the dampers were obtained

    摘要為考察混凝土延性柱耗能器抗震性能的主要影響因素,通過對多根延性柱耗能器的低周反復試驗,得到其形態、滯回特性、延性、等效黏滯阻尼等參
  16. Firstly, behavior and destroying mechanism of pile under inclined loads are systematically discussed based on summary of research on pile under inclined loads home and abroad, and then a power series solution for displacement and stress calculation of pile under inclined loads in layered soils is presented. based on the solution, the calculation of soil reaction force at the flank and bottom of piles, vertical and horizontal displacement of piles and maximal bending moment of piles is concluded

    本文首先統地回顧了國內外傾斜樁研究工作,在此基礎上詳細討論了傾斜下基樁的受力特性和機理,從而導出了處于成層地基中的傾斜樁的內力及位移分析的冪級解,並以冪級解的分析結果進一步導出了樁側及樁端土體抗力、樁身豎向及水平位移、樁身最大彎矩的計算方法。
  17. To prevent pumping system stopping working, working without efficiency and being destroyed, so it is very important to monitor oil - well. the thesis dissertates the process of developing displacement - load sensor which collects displacement data and load data to form the indicator diagrams, researches the means based on rbf neural network of recognizing fault types, designs parts of hardware and software of the mainframe of the oil - well monitor and control system, and debugs the entire oil - well monitor and control system

    為了防止抽油機故障停機、無油空抽、不法分子的蓄意等情況的發生,因此對油井工況進行實時監控顯得尤為重要。本文論述了採集用於形成油井示功圖的位移和據的傳感器的研製,包括硬體電路和軟體的設計,對基於rbf神經網路的油井工況模式識別方法進行了研究,對監控統主機的部分硬體電路及相應的軟體進行了設計,並對整個油井監控統進行了聯調和測試。
  18. 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作用下樁土體傳遞的基本微分方程,通過分析影響傳遞的因素入手,對單樁的幾種典型模式進行了分析總結,並以由於地基土強度而導致的樁基模式為重點,推導其傳遞曲線,進而用高等學結合土力學方法推求樁土之間用深度和位移表達的傳遞的微分方程。
  19. Which has high strength, good ductility, impact bearing, erode - bearing, besides, its linear expanding coefficient is almost equivalent to concrete, and it has excellent performance - price ratio etc. this paper is related to 8 rc - poles wrapped by gfrp ( sgfw430 ) and rc - poles are compressed axially, in order to analyze the influence of different stick layer over the pole ' s work performance and the influence between three type axial compress ratio ( 0, 0. 8, 1. 1 ) with one layer gfrp with the contrast poles about limit load - bearing capability, failure state, ductility, section stiffness, restrict losing owing to stress - difference

    其具有強度高,延性好;抗沖擊、耐腐蝕;線膨脹與混凝土接近;性能價格比高等多個特點。本文通過8根外包單向gfrp ( sgfw430 )的rc組合柱,以及混凝土對比柱在軸心作用下的試驗為基礎,具體詳細地分析柱子在粘貼不同層的高性能玻璃纖維和在不同的軸壓比( 0 、 0 . 8 、 1 . 1 )下粘貼一層的高性能玻璃纖維后混凝土組合柱相對對比柱在極限承能力、形態、延性、截面剛度、應力差帶來的約束損失等方面的變化情況。
  20. Further, the mechanical behavior and fracture features under flexural load of the c / sic composites are discussed with mechanical properties contract to microstructure and cvi - pip process parameters. the multiple fracture phenomenon of the c / sic with high toughness connected to multiple interface fracture is found, which supplements the conventional composite theory on the relationship between strength and fracture mode

    化學組成及微結構參、工藝參,進而研究了彎曲下該c / sic復合材料的行為特徵和失效過程,發現了一種與多重界面失效緊密聯的、高斷裂韌性的多重損傷累積型材料現象,補充了傳統的脆性基體復合材料強度一斷裂韌性理論。
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