critical loading 中文意思是什麼

critical loading 解釋
臨界負載
  • critical : adj 1 批判的，批評的；（在某方面）有鑒定力的 （in）。2 吹毛求疵的；愛挑剔別人的 （of about）。3 ...
  • loading : n. 1. 裝貨。2. 裝載量；重量；載荷；（船隻等的）貨載。 3. 填充物，填料。4. 額外人壽保險。
  1. Then, by using the great fem programme and the drucker - prager model, the thesis establishes the pile - soil model of super - long piles, analyzes the mechanism of bearing and deformation of super - long piles under vertical loading systemically, studies the characteristics of q - s curve, bottom resistance, pile shaft resistance and critical length of super - long piles in detail, acquires some practical guidance conclusion. secondly, with a practical engineering, the author expatiates the bearing characters of super - long piles farther. the thesis points that super - long piles are frictional piles under the condition of working loading

    然後應用大型有限元程序，採用土的drucker - prazer模型，建立了超長樁分析計算的樁土模型，系統分析了超長樁在豎向荷載作用下的承載機理和變形特性，研究了超長樁的荷載?沉降特性，端阻、側阻的發揮性狀以及超長樁的有效樁長，得出了具有實際指導意義的結論。
  2. Bridge engineering is important throat part in highways and railroads. it is critical to ensure its loading ability and normal function for smooth moving in a whole line

    橋梁工程是公路和鐵路的重要咽喉部位，確保其承載能力和正常使用性能是全線運行暢通的關鍵。
  3. The method for measuring the plane strain fracture toughness klc has been introduce to high polymer bonded explosives ( pbx ) by systematically studying technologies concerning the shape of specimen, the depth and its machining of crack, the loading rate, the measurement of critical fracture load, and the computation of klc, etc. the method has been used to test and study klc of three typical high polymer bonded explosives which are j2, jl, j3 respectively both at normal temperature and unmoral temperature

    本文以高聚物粘結炸藥為研究對象，對測試高聚物粘結炸藥的平面應變斷裂韌度所涉及的樣品形狀、裂紋深度及裂紋制備、加載速度、臨界斷裂載荷p _ q的確定及平面應變斷裂韌度k _ （ ic ）的計算等方面進行深入研究，建立了較為完善的炸藥平面應變斷裂韌度測試方法。
  4. This forms the basis of decision support tools presented for marking up available space, allocating tasks to spaces, and analyzing and optimizing space loading in relation to the critical path - what we call space - time broking

    以此概念作為決策支援工具的基礎，便於將適用的空間標示出來，把工作配置給空間，分析空間負荷與要徑之關系本文稱為截斷空間與時間之連結。
  5. Influence of loading rate on critical event of cleavage fracture in notched specimen of low alloy steel

    加載速度對低合金鋼缺口試樣解理斷裂臨界事件的影響
  6. Stay cables of the long - span cable - stayed bridges are susceptible to vibration under wind loading, or wind incorporated rain excitation, or deck motion due to high flexibility, relatively small mass and very low inherent damping, such as vortex shedding, wake galloping, parameter resonance and wind - rain induced vibration. large - amplitude vibration of cables may reduce the life of cables and threaten safe traffic, and has been considered today as one of the most critical problems for this type of bridge

    大跨度斜拉橋拉索具有較小的質量和極低的阻尼，在風、風雨及橋面振動等外部激勵下極易發生振動，如渦激共振、尾流馳振、參數共振和風雨振等，拉索的大幅振動對拉索的使用壽命和橋梁安全運營構成極大威脅，它已成為大跨度斜拉橋急需解決的關鍵問題之一。
  7. In the analysis of the elastic local buckling strength of the stiffener ' s web, the elastic critical stress is analytically derived by solving the characteristic value problem involving the governing differential equation under the corresponding loading and boundary conditions

    對于加筋板中加強筋腹板的局部屈曲，則用解析法推導出筋的腹板的撓度方程及其邊界條件，求解相應的方程，從而計算出腹板的局部屈曲應力。
  8. Dynamic loading plays a critical role in the functional performance and mechanical reliability of microelectronic components and devices

    動力載荷對微電子組件和裝置能否可靠工作起關鍵作用。
  9. Based on the method of limitation analysis of soil plasticity, researching from the soil arching mechanism of soil - nailing retaining, the upper limit of the critical height of soil - nailing slopes and the minimum horizontal length from coping of the potential slide surface to the edge of deep excavation are obtained through the analysis to weight of soil and vertical loading and the mechanism of soil and soli - nailing acting reciprocally

    摘要基於土的塑性極限分析方法，以均質土坡為例，從土釘支護結構的準粘聚力理論出發，綜合考慮土體自重、坡頂的條形荷載，以及土釘與土體的相互作用的機理，推導出了土釘支護的臨界高度的上限值和潛在螺旋曲線滑動面在坡頂方向距基坑邊沿的最小水平距離解析表達式，可供基抗支護設計參考。
  10. In this paper, a three dimensional finite element analysis has been used to analyse the loading stress of utw pavement. the critical loading position of utw plate and the rules of the effect of the joint spacing of plate, the thickness of overlay, ec / es and the interface conditions between concrete overlay and existing ac on the stress are provided

    本文採用三維有限元法分析了utw路面荷載應力，確定了路面板的臨界荷位，得出了板接縫間距、厚度、板與地基模量比（ ec es ）和層間接觸狀況對應力的影響規律。
  11. Critical transverse wind loading

    樓宇抵受橫向風力的臨界載重
  12. Mission critical - must be done now else the whole thing goes down the tubes - e. g resolving a web hosting issue that stops your site from loading.

    任務關鍵人現在必須做全盤走低管子-育網路解決主辦地點的問題，你從裝車站
  13. Local buckling capacity of steel composite beam subjected to combined bending, shear and patch loading is one of key problem in steel structures design. the computational formula for local stability of web was based on the assumption of infinite - elastic perfect plates in the steel structures design code ( gbj17 - 88 ). but in the revised code ( gb50017 - 2003 ), this formula was made big change with reference to british code ( bs5950, partl ) and australian code ( as4100 ), the related research result of our country was included as well. in the modified formula, influence of early geometric imperfection and elastic - plastic buckling stage were considered, which is compatible with both actual circumstance of engineering and the strength formula of beams under bending stresses ( considering partial plasticity of the section ). in this paper, the preceding problem is deeply analyzed and studied, considering the effects of various geometric parameters and stress combinations on buckling critical stress of web, the revised local buckling correlative formula for transverse and longituded stiffened web panels under combined stresses is analyzed and verified by finite element method

    組合鋼梁腹板在彎、剪及局壓復合應力作用下的局部屈曲承載能力是鋼結構設計中需考慮的問題，新的《鋼結構設計規范》 （ gb50017 ? 2003 ）對此部分內容作了較大改動，原規范中關于腹板局部穩定的計算公式是基於無限彈性的完善板假定；新的規范則參考了英國規范（ bs5950 part1 ）及澳大利亞規范（ as4100 ）並結合我國相關研究成果，考慮了屈曲進入彈塑性階段以及初始幾何缺陷的影響。這不僅與工程實際情況相符，而且也與鋼梁在彎曲應力作用下允許截面部分進入塑性的計算公式相協調。
  14. Logic : exceedance of critical so2 loading represents an indicator for ecosystems under stress due to acidification from anthropogenic sulfur deposition

    結果:超過so 2的臨界負荷量可由一受到人為排放硫的沈降而導致生
  15. New low cycle fatigue life criterion under nonproportional loading based on critical plane methods

    新的非比例加載低周疲勞壽命估算方法
  16. Firstly, the analyses on the dynamical response of the tsing ma bridge ( tmb ) under traffic loading are performed on the basis of the three dimensional finite element model of the full - scale structure of the bridge, and some regions critical to fatigue damage are determined from the result of the dynamical response. the hot spot stress approach is usually adopted in the fatigue design and analysis of tubular welded joints. to apply the hot spot stress approach for the fatigue evaluation of long - span suspension bridges, the fem is further used to determine the hot spot stress of the critical fatigue locations

    首先，在青馬大橋三維有限元模型和整體動力響應分析計算的基礎上進一步進行關鍵疲勞構件的局部熱點應力分析，對疲勞危險部位處的焊接構件建立三維有限元模型，施加符合橋梁實際工況的載荷與位移邊界條件，進行局部熱點應力分析，確定這些焊接構件內的名義應力和相鄰焊接區域內熱點應力之間的關系，得到相應的應力集中系數。
  17. Modem harbour crane has been continuously seeking higher economical efficiency. the stevedoring gantry crane in modern harbours plays a critical role in loading and discharge production

    現代港口的裝卸型門機不斷地追求更高的經濟指標，在港口裝卸生產中起著越來越重要的作用。
  18. 3 by finite element method, the stress of new - old concrete is simulated in condition of standard axis loading. the critical bond strength of new - old concrete interface is obtained

    3 、採用有限元方法，建立數值模型，模擬在標準軸載條件下新老砼的受力狀態，得出了修補區砼開放交通新老砼界面的臨界粘結強度。
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