破壞壞壓力 的英文怎麼說
中文拼音 [pòhuàihuàiyālì]
破壞壞壓力
英文
breakdown pressure-
Based on the previous research on the portal crane administration, one standpoint put forward in this paper is idea that is on the foundation of reliability in this paper, two viewpoints take shape when reason is analyzed, that is fatigue break and appearing the flaw that will extend. what is the fatigue break ? ( this phenomenon is always happen in some place ), the fatigue is that board appears apophysis and concave when the board is pressed. so that the board ability of bearing the weight of load will descend
本論文建立在已有的港口裝卸機械管理的研究基礎之上，進一步提出了以可靠性為基礎的港口裝卸機械的管理思想，已有的研究表明，港口機械設備破壞主要由於兩個原因，第一是穩定性問題，特別是構件的局部穩定性，所謂穩定性是指：在板的平面內，板受到平行於板面的壓力作用，使板發生隆起、內陷等凹凸不平的結果，從而使板受載能力減弱；第二是結構出現疲勞裂紋及其擴展，這是由於設備長時期運行，而造成設備某些部位出現裂紋並得以擴展，使設備承載能力下降。Foundation pillar damage by horizontal pressure of backfill and precaution
回填土的側向壓力對基礎柱的破壞及其預防On the basis of investigations into the progressive yield process and the possible failure modes of rcc gravity dams, the quasi - elasticity design limit state of the ctrtical stability criterion is proposed and the real working state of the dams designed according to the ctriterion is discussed. a check formula using the material strength reducing factor as the safety index and a simplified formula similar to against sliding stability fromula are derived. finally, the corresponding design safety factors are given by using fem calculations with various influence parameters to be taken into account
本文在研究碾壓混凝土重力壩漸進破壞過程和可能失穩方式的基礎上，提出了以準彈性臨界作為穩定臨界準則的設計極限狀態，分析了按該準則設計的大壩的實際工作狀態，導出了以準彈性強度儲備系數為設計安全指標的審查公式以及形式與抗剪斷公式相同的簡化公式，探討了定量計算考慮各種因素影響的相應設計安全系數的合理取值，並與現行規范方法進行了比較In recent years, commonalty tourism is developing at a tremendous pace, it makes enormous environmental pressure on scenic spots. serious artificial demolish have happened to many famous scenic spots
近年來，大眾旅遊熱的興起，給風景名勝區造成了巨大的環境壓力，許多著名的風景名勝區遭受了嚴重的人為破壞。The corbel ' s dimension should be ascertained as the manipulative condition of diagonal section. the amount of longitudinal reinforcement be ascertained on the basis of the flexure model, is obtained according to static for balance condition, the calculative expression of the load is obtained. and in terms of the design method in ultimate state the maximum load
我國規范對于牛腿的設計規定，牛腿尺寸的確定以斜截面抗裂作為控制條件，縱筋用量的確定以彎壓破壞模型為基礎，根據靜力平衡條件得到承載力的計算公式，按照極限狀態設計方法計算得到，箍筋用量則按照構造要求確定。Abstract : based on destructible feature of plastically drawing unsteadiness of pressure vessel, this paper calculated elastical / viscoplastical drawing unsteadiness of pressure vessel made of revolving shells
文摘:依據壓力容器拉伸塑性失穩破壞特徵，計算了旋轉薄壁殼壓力容器在彈粘塑性材料下的塑性失穩破壞。This model has wide - ranging application and simple computing procedure. it avoids the narrow - ranging limitations of slide line method, as well as avoids the complicated computing procedure in the simulation of the gradual breakdown process for the granular structure by fem. its analysis results are identical with those of the practical engineering, this model has engineering application value
建立了挖掘過程推壓阻力的計算模型，該模型適用面廣、計算較簡便，既避免了滑移線適用面窄的局限性、也避免有限元分析對散體漸近破壞過程模擬的復雜計算過程，計算結果與工程實際吻合，具有工程實用價值。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顆粒體積分數分別為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高速壓桿沖擊實驗系統對其從靜態到動態（應變率為3 . 3 10 ~ （ - 3 ） s ~ （ - 1 ） 5 . 2 10 ~ 3s ~ （ - 1 ） ）的壓縮破壞響應進行了研究，分析了不同體積分數sic _ p al復合材料高應變率壓縮載荷下，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。The numerical results show that the elephant foot bulging is in fact buckling failure which is caused by the overcritical compressive stress rather than intensity failure
分析表明：立式儲液罐罐壁「象足」變形主要是由罐壁縱向壓應力超過臨界應力而產生的局部屈曲破壞，並非強度破壞。Hence, the damage radii can not be determined from overpressure alone.
因此，破壞半徑不能單單由超壓力大小來決定。Within this range, the peak overpressure appears to be the main criterion of damage.
在此范圍內，最高超壓力的大小是判斷破壞程序的主要依據。In considering the destructive effect of a blast wave, one of its important characteristics is the overpressure.
在研究爆震波的破壞作用時，其中一個重要的特性便是超壓力。If a child is bullied repeatedly, he or she will not only lower gradually his / her self - esteem and self - confidence, become lonely, anxious, depressed, but also show a series of external behavior problems, such as aggressive / destructive behaviors, scatterbrained, lower achievements, social isolation, behavioral withdrawal etc. as to the students frequently bullying others, they will be excluded by peers, and resulting in social interaction difficulties
經常受欺負不僅會導致兒童孤獨、壓抑、焦慮、自尊和自我評價下降等內部心理問題；而且，還會造成一些外部行為問題，如注意力分散、學習成績下降、經常逃學，行為孤立、退縮，具有破壞性或攻擊性。對欺負者而言，經常欺負他人會招致同伴群體的社會排斥，從而造成社交困難。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。Some beneficial results of the csnw ' s behaviors are gotten. main research contents as follows : ( 1 ) the four destruction models and respective stability analysis methods are discribed in this paper, whose working mechnism and calculating methods are given. in addition, some defects of every method are also discussed ; ( 2 ) on the basis of traditional active soil pressure method and expirical siol pressure method, the calculating model of the laternal earth pressure which is a tetragon with the largest value in the center side is addressed
主要工作如下： （ 1 ）本文給出了復合土釘墻的穩定性分析方法，該方法介紹了復合土釘墻的四種破壞類型，分析了每種破壞類型的受力機理，並給出了相應的計算方法和計算方法中的一些不足； （ 2 ）在傳統的主動土壓力和經驗土壓力的基礎上，建立了土釘墻中間大、上下小的四邊形狀分佈的側向土壓力的計算模式。Disruption pressure 5 times rated pressure
破壞壓力五倍額定壓力After researching the loads on dangerous rock synthetically, the author points out the development and collapse mechanism of dangerous rock : the geology foundations that forms dangerous rock are the constructional surfaces such as tectonic fracture 、 relief fissure, soft interlayer etc. the developing of dangerous rock is due to release of in - situ stress in rock 、 aeolation 、 water erosion and root flerry. the main loads leading to collapse of dangerous rock are gravity, water pressure and earthquake force
在綜合研究危巖上的各種作用之後，本文提出了危巖的形成和破壞機理：硬質巖體中構造裂隙、卸荷裂隙、及各種軟弱夾層，結構面的的存在是危巖形成的地質基礎；地應力卸荷、風化、流水侵蝕、植物根劈是危巖發育的主要作用；重力、水壓力、地震力是危巖崩塌的主要荷載。Since the structural pollution has already become a vital issue, the chinese government put forward in the tenth five - year plan that it ought to be solved completely to relieve pressures on environmental destruction through a strategic adjustment in economic structure
當前結構性污染成為我國環境污染中的一個重要問題，為此我國政府在「十五」綱要中提出，要在「十五」期間通過經濟結構的戰略性調整，從根本上解決結構性污染，減輕環境污染和生態破壞的壓力。Release of the heat of fusion is believed to alter the pressure gradient in such a way as to diminish the destructive winds near the storm center
人們認為融解熱的釋放可以改變氣壓梯度，結果減小風暴中心附近的破壞性風力。The data show that faults destruct uniform distribute of stress and strain, and faults are concentrated places of stress according to results of stress field, earth stress field and stress field of water pressure
通過計算庫區蓄水前後的應力場、應變場及水壓應力場，發現斷層的存在破壞了應力場和應變場分佈的均勻性，斷層附近是應力集中區。分享友人