極限強度設計 的英文怎麼說

中文拼音 [jíxiànqiángdùshèjì]
極限強度設計 英文
limit design
  • 極 : i 名詞1 （頂點; 盡頭） the utmost point; extreme 2 （地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • 限 : Ⅰ名詞（指定的范圍; 限度） limit; bounds Ⅱ動詞（指定范圍, 不許超過） set a limit; limit; restrict
  • 強 : 強形容詞（強硬不屈;固執） stubborn; unyielding
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 設 : Ⅰ動詞1 （設立; 布置） set up; establish; found 2 （籌劃） work out : 設計陷害 plot a frame up; fr...
  • 計 : Ⅰ動詞1 （計算） count; compute; calculate; number 2 （設想; 打算） plan; plot Ⅱ名詞1 （測量或計算...
  • 極限 : 1 （最高的限度） the limit; the maximum; the ultimate limit; limitation; extremity; tipping point...
  • 設計 : devise; project; plan; design; excogitation; layout; layout work; styling
  1. 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
  2. Taking the contact stress, bend stress stiffness and temperature stress as the condition, taking the weight of the kiln tyre as optimization aim function, the redia and the width of the tyre are optimized general optimize methods just consider the affecting of the parameters to aim function, but in fact, structural parameters ( such as structure dimension, interval and so on ), physics and dynamics ( damp factor, conduct factor, friction factor material ' s elastic module strength limits and so on ), which would be changed after used. the difference are called discrepancy robust design ' s basic concept is : all design parameters " discrepancy will affect the aim funct ion and arouse the quality target discrepancy

    一般的優化方法，僅僅考慮了參數對其目標函數的影響，而實際情況下有些參數是變化的，產品的結構參數（如幾何尺寸、間隙等） 、物理和力學參數如阻尼系數、傳導系數、磨擦系數、材料的彈性模量和強度極限等的設計值與製造后和使用中的實際值會有差異，這種差異稱為設計變量和噪聲因素的變差。
  3. The thesis developed the optimization design software of geometric parameter for the worm gear including strength check module, the drawing contact lines module, the change lines of tooth thickness of worm, and the parametric modelling software for the reducer which includes parametric modelling of parts and assembly. the cad prototype system is very convenient because of its accessible interfere, simple operation and written in chinese. by input design parameters ， the cad system can make optimization design and strength check for the worm gear ， draw contact lines of tooth flank of worm - gear and change line of tooth thickness of worm ， judge if the tooth flanks of worm undercut and if the sideward tooth of worm - gear hob come to a point ， make project design and structure design for the reducer and draw its 2d parts and assembly

    研究和開發了平面二次包絡環面蝸桿傳動的參數優化設計和校核軟體系統：包括幾何參數設計計算模塊，強度校核模塊，繪制齒面接觸線模塊，蝸桿齒厚變化曲線模塊和蝸桿根切判別模塊；開發了平面二次包絡環面蝸桿減速器外形與結構尺寸數據庫以及傳動效率數據庫，建立了平面二次包絡環面蝸桿傳動公差及極限偏差數據庫；開發了平面二次包絡環面蝸桿減速器參數化建模軟體：包括零部件的參數化建模模塊和裝配圖的參數化建模模塊，其中零部件的參數化建模包括蝸桿軸系的參數化建模、蝸輪軸系的參數化建模、箱體的參數化建模、端蓋的參數化建模、軸承的參數化建模和其它零部件的參數化建模軟體模塊。
  4. By maintaining and strengthening, the existing fault bridge strengthened the total intensity and rigidity of the main girder, to large extend. the strengthened bridge could lengthen its service life and made deck line state, ultimate bearing capacity and durability, and so on, attain to design standard

    對既有病橋進行加固維護，能大大地增強主梁的整體強度、剛度，延長橋梁的使用壽命，使其橋面線形、極限承載能力和耐久性等達到設計要求。
  5. Taking an ultimate deflection more than 1 / 50 of calculating span as the determinant term, by the means of numerical analysis and regress equation respectively, this paper discusses the reasonable stretching controlling stress of usual span and reinforcement slabs for design reference

    以極限撓度達到跨度的1 50作為延性破壞的判定指標，本文分別運用數值分析程序試算和回歸方程得出了常用跨度、常用配筋的中強（ 1270mpa ）螺旋肋鋼絲預應力混凝土空心板的張拉控制應力的取值，供設計參考。
  6. The emphasis on the minimum nozzle length was carried to the limit with the design of nozzle with sharpedged throats.

    強調最小噴管長度轉向採用銳邊喉管道的噴管設計的極限值。
  7. To meet this challenge, a research project was supported by ministry of communication and bv shanghai zhenhua port machinery co. ltd. focusing on analysis of tdtcd ( traditional design theories of crane drums ) the paper has studied the impacts of features under the binding force of wire ropes, the end - plate and rope slot. this study is based not only on the thin shell theory and viscoelastic mechanics to calculate the strength and stability of drum, but also on an experiment with technology in " state of act "

    本文結合交通部重點科技項目「港口起重機鋼絲繩傳動件高性能技術研究」和上海振華港機股份有限公司委託項目「起重機焊接捲筒極限壁厚研究」 ，針對起重機捲筒傳統設計方法偏於保守的情況，以薄殼理論和近代力學為基礎，以現代試驗技術為研究手段，對鋼絲繩緊箍力作用下的外載特性、端板、繩槽等因素對捲筒強度和穩定性的影響進行了系統的理論研究，在深入開展捲筒強度、穩定性和實驗模態分析等試驗的基礎上，提出了有別于傳統方法的捲筒強度、穩定性計算方法。
  8. On basis of ship strength theory, mathematical model and solvable method of limited deflections of ships are established, and deflection criterion to check the demands of longitudinal strength of intact ships or damaged ships is proposed. it is convenient for the preliminary ship design

    根據船體梁強度理論，建立船舶極限撓度數學模型與求解方法，提出利用船舶撓度檢驗船體總縱強度的新方法，可以較方便地對正常或破損船舶總縱剩餘強度進行檢驗，便於初步設計。
  9. Firstly, for the system of moulding board and support frame in construction the side pressure and screws are analyzed. the material and structure form of support frame are discussed. the design of support frame uses the method of limited state, and also it analyses the integer stability, part stability, and single stability, and then proposes the load analysis of multi - level support frame

    首先，針對轉換層梁模體系及支撐架施工，重點分析了轉換層結構現澆混凝土對模板側壓力值及模板對拉螺桿的計算；討論了轉換層支撐體系的形式及構造，詳細論述了基於極限狀態設計的支撐架計算方法，包括縱橫向水平桿的強度驗算、立桿的整體穩定性、局部穩定性、單肢桿件穩定性等驗算，並提出了多層支撐架的施工荷載計算方法。
  10. On the basis of the concept of combination of action effects of modem prestressed concrete structures proposed by the authors, the ultimate limit states design proposals of normal section of prestressed concrete structures considering the effects of secondary moment and secondary axial force are presented in the paper

    在作者提出的現代預應力混凝土結構設計荷載效應組合建議的基礎上，給出了合理考慮次彎矩和次軸力影響的各類預應力混凝土結構正截面極限強度設計計算建議。
  11. Abstract : on the basis of the concept of combination of action effects of modem prestressed concrete structures proposed by the authors, the ultimate limit states design proposals of normal section of prestressed concrete structures considering the effects of secondary moment and secondary axial force are presented in the paper

    文摘:在作者提出的現代預應力混凝土結構設計荷載效應組合建議的基礎上，給出了合理考慮次彎矩和次軸力影響的各類預應力混凝土結構正截面極限強度設計計算建議。
  12. The integral method is adopted caculate and analyze to amf three - dimension distruction which is the structure of coil type four - pole and the structure of coil type double - pole and study the size of two kind of electrode structure axial magnetic flux density distribution and its fielduniformity. the finite - element method is used simulate that eddy current has effect on amf when contact tray of douple - pole amf structure is slotted or no

    本文採用積分方法對本文設計的線圈式兩極縱向磁場觸頭結構和線圈式四級縱向磁場觸頭結構的縱向磁場三維分佈進行了計算分析。研究了電弧燃燒期間兩種觸頭結構縱向磁場強度的大小、均勻性，利用有限元法模擬線圈式兩極縱向磁場觸頭結構的觸頭盤開槽和不開槽時渦流對縱向磁場的影響。
  13. On the basic of former research men ' s experience, 18 experimental members ( including 9 simple beams and 9 restrained beams ) are designed and tested. in the experiment, phenomena are observed and record by taking photos in the whole process from the first crack appears to test members crash completely, experimental data is attained including load values of crack - appear load, critical load and terminal load, stress values of reinforcing steel bar stress, compressed concrete stress and beam flank stress and values of deflection etc. by analyzing the crack ' s appearing and developing form and stress values of concrete and steel bars, the crash modes of test beams are defined ; shearing force - deflection curves are contrasted and analyzed ; the effects on shear strength of the three factors as shear span ratio, concrete strength and restraining moment are also analyzed

    借鑒已有試驗的經驗，本文設計和完成了對18根超高強混凝土無腹筋梁（包括9根簡支梁和9根約束梁）在集中荷載下抗剪強度的試驗，觀察了試件從裂縫出現到完全破壞失去承載能力全過程的試驗現象並通過拍照進行記錄，獲得了試件的斜裂縫出現荷載、臨界斜裂縫荷載和極限荷載等荷載值和縱筋應變、混凝土受壓應變和梁側混凝土應變等應變值以及撓度值等。
  14. Then, a step - by - step increase of vertical curvature is applied to the hull girder assuming that the plane cross section remains plane. at each incremental step, the stress of the cross section is evaluated using the average stress - strain curves of the elements as well as the incremental bending moment due to the curvature increment. performing sample calculations on existing girder models tests under pure bending, the rationality of the proposed method was examined

    假設船體橫向框架材足夠強，因而板架的整體破壞不會發生；基於梁?柱理論、理想彈塑性假設、平面假設，建立了拉伸和壓縮加筋板單元的平均應力?應變關系曲線，應用船體結構總縱極限強度的簡化逐步破壞分析方法計算船體總縱極限彎矩，並據此開發了計算程序sus 。
  15. This paper, regarding the asphalt pavement in the zhoukou region as the study object, according to the prevalent norms ( specifications for design of highway asphalt pavement ), with the beginning of the pavement performance and the transportation investigation, totally and systematically analyzes the traffic parameters and the destroying reason of pavement at the early stage in the point of fatigue property and limit strength, gives the concepts and methods of the growth rate of equivalent axle load action time, seasonal modification factor and overload factor, proposes the method of axle load conversion on the condition of heavy loading. on this basis, it proposes the design method adapting to asphalt pavement construction, explains the steps of thickness computation of construction with the combination of engineering example, finally verifies thedesign method in the paper by test road. theory and practice both prove that the reasonability of pavement structure style and the reliability of design method in the paper can adapt to the present heavy loading and overloading traffic conditions, have highly theoretical and practical value

    本文以周口地區瀝青路面為研究對象，以現行《公路瀝青路面設計規范》為依據，從路面使用性能和交通特徵的調查入手，從疲勞特性和極限強度出發分析了路面早期破損的原因，全面系統地進行了交通參數的分析，提出了當量軸次增長率、季節修正系數和超載系數的概念和方法，並提出了重載交通的軸載換算方法。在此基礎上，針對超載、重載交通從結構組合設計、結構厚度計算（包括疲勞強度標準和極限強度標準）等方面提出了適宜的瀝青路面結構設計方法，並結合工程實測，說明了結構層厚度計算的具體步驟，最後通過試驗路驗證本文提出的設計方法。理論與實踐均表明，本文提出的路面結構型式合理、設計方法可靠，能適應目前重載、超載交通的狀況，具有較高理論與實用價值。
  16. Since the overall failure of a ship hull is normally governed by buckling and plastic collapse of the deck, bottom or sometimes the side shell stiffened panels, it is of crucial importance to accurately calculate the ultimate strength of stiffened panels in deck, bottom and side shell for more advanced structural design of ship structures

    由於船體梁的總體破壞通常由甲板、底板或者舷側加筋板的屈曲或塑性破壞控制，因此在船舶結構設計中準確地計算甲板、底板或舷側加筋板的極限強度就顯得尤為重要。
  17. In this paper, torsional - flexural buckling of single - angle members is researched deeply and systematically by ultimate strength theory and general fem analysis software ansys, and is contrasted with some codes, as a result the simple and practical formulas for stability coefficient are recommended for design purpose

    本文採用極限強度理論和通用有限元分析軟體ansys ，系統深入地研究了單角鋼軸心受壓構件的彎扭失穩，並與多本規范進行了對比分析；在此基礎上提出簡單實用的穩定系數計算公式，以便工程設計參考。
  18. The structure of grillage is the backbone of a ship ' s structures and its compressive ultimate strength is one of the main parts in the strength analysis of a ship ' s structures. so it ' s important to make a deep research into the compressive ultimate strength of the grillage structure

    由於板架結構是船體結構的主要組成部分，尤其是船舶的上甲板和船底結構，它們直接關繫到船體的總縱強度，所以板架結構的壓縮極限強度是設計人員十分關心的。
  19. This is because that the perfect construction design is closely neted the true strength store of the ship girders. however, in order to understand the actual strength store of ship hull girders, we must have a right assessment of the ultimate strength of ship hull girders

    這是因為完善的結構設計是與船體梁的真實強度儲備緊密地聯系在一起的。而要了解船體梁實際的強度儲備就必須對船體梁的極限強度有一個正確的分析和評估。
  20. Recently, the method which bases on structure ultimate strength developed very rapidly in the domain of structure engineering. it has been a trend that the design method which bases on structure ultimate strength replaces the traditional method which bases on the theory of elasticity

    近年來，基於結構極限強度的極限狀態設計法在結構工程領域得到了迅猛發展，在船舶工程中，用基於極限承載能力的設計方法來取代傳統的基於線彈性理論的設計方法也成為一種趨勢。
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