設計極限載荷 的英文怎麼說

中文拼音 [shèxiànzǎi]
設計極限載荷 英文
design limit load
  • : 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...
  • : 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...
  • : 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...
  • : 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
  • : 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
  • 設計 : devise; project; plan; design; excogitation; layout; layout work; styling
  • 極限 : 1 (最高的限度) the limit; the maximum; the ultimate limit; limitation; extremity; tipping point...
  • 載荷 : load; loading載荷變化 load fluctuation; variation in load; 載荷裝置 load device
  1. Based on the destructive test of certain old pre - stressed concrete hollow slab after structural strengthening by cfs, the destructive mechanism and ultimate bearing capacity of old pre - stressed hollow slab after structural strengthening is being researched, which is useful for the strengthening design of old bridge and solvating of single slab problem

    摘要通過某已使用10年的舊橋預應力混凝土空心板受拉區碳纖維布加固后的破壞試驗研究,對受拉區加固后的舊橋預應力混凝土空心板的破壞機理、變形性能及能力等進行了研究,為舊橋預應力混凝土空心板的加固及單板受力問題的分析解決提供了試驗依據。
  2. This paper demonstrates ultimate stress increment of unbonded tendons can be composed of approximate elastic deformation along the elements and local plastic deformation by nonlinear analysis on the unbonded partially prestressed concrete continuous structures. referring to the rule of ultimate stress increment of unbonded tendons at every load case, a regression formula of ultimate stress increment of unbonded tendons based on elastic - perfectly plastic model has been presented for engineers to calculate ultimate stresses of unbonded tendons in prestressed concrete multi - span continuous structures

    考慮在各種工況作用下無粘結筋應力增量的變化規律,並與理想的彈塑性模型相比較,最終得出以理想彈塑性模型算各種工況作用下無粘結筋應力增量的回歸公式,從而為預應力混凝土多跨連續結構的無粘結筋應力算提供有益的參考。
  3. Ultimate stress increment is a hotspot problem in theory of unbonded partially prestressed concrete structure, however, according to design critera and the art of the state on this issue around the world, it is still not considered in reason that ultimate stress of unbonded tendons in prestressed concrete multi - span continuous structures varies with load cases

    無粘結筋的應力增量一直是無粘結預應力混凝土結構理論中熱點問題,而從目前各國的依據及研究現狀來看,還沒有合理考慮多跨連續結構的無粘結筋應力隨工況變化的情況。
  4. This paper presents a manufacture and calculating method for castellated beams. according to the method, three beams are designed and tested, the detailed and trustworthy experimental data are obtained. in comparison of the castellated beam with the circular hole castellated beams during the process, that the yield of load and the strength limit for the latter are higher than the former is verified

    本文通過製造兩種不同截面形式的3根蜂窩梁( 2根圓孔、 1根六邊形孔) ,進行了兩點集中下的試驗,取得了較為翔實可靠的試驗數據,通過整理與分析,對兩種蜂窩梁的整體受力性能和承力作出評價,得出圓孔蜂窩梁的屈服力都高於六邊形孔蜂窩梁的結論。
  5. 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破壞機理,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破壞特點,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/復合材料靶板的問題,對雙層陶瓷復合靶板的優化進行了分析,給出了在一定面密度下的最佳優化系數,討論了一定彈道速度下的面密度和厚度隨優化系數的變化關系。
  6. It achieves full test automation from calibrating, running, failure diagnosis and data processing, which establish it an intelligent test system. in the software, a curve fitting program which based on the system ' s principle which can greatly improve the calibration precision and a safl mathematical statistics program for the test data are made

    在試驗系統軟體上,結合試驗機原理,採用基於原型函數的動態標定數據曲線擬合提高了標定的精度;通過對比各種曲軸試驗數據的處理方法,同時考慮在實際運用中的效果,算機統採用了疲勞分析( safl )法。
  7. Though much progress has been achieved in previous study, there still remains a lot to be studied and perfected. the thesis is devoted to study on the multi - ribbed slab wall, the main bearing member in mrss, including its mechanism, failure mode, aseismic capability, mechanical models, ultimate bearing capacity and aseismic design based on control. the paper mainly accomplished such work as follows : 1 ) based on test research on multi - ribbed slab wall, the paper proposed the member ' s failure modes under horizontal loads, analyzed the co - performance between the inner frame and the infilled silica bricks and that between the slab and the outer frame, discussed the wall ' s bearing capacity, rigidity, deformation, ductility and energy dissipation ability in different modes, and put forward a simplified mechanical model of the slab wall under vertical loads

    本文針對密肋壁板結構的主要受力構件? ?密肋復合墻體為研究對象,就其受力機理、破壞模式、抗震性能、三階段力學模型、能力以及基於控制的抗震方法等進行了較為詳細的研究,完成的主要工作有: 1 )通過對密肋復合墻體在水平低周反復和單調作用下的試驗研究,提出了墻體的主要破壞模式;分析了框格與內部填充砌塊、墻板與外框的共同工作的受力特點;探討了不同破壞模式情況下墻體的承能力、剛度、變形、延性、耗能等抗震性能,並給出了豎向作用下密肋復合墻體的簡化力學模型。
  8. The prime works are as follows : strain and stress distribution of section was analyzed. the effect of prestress degree. on cracking moment was explored. the relation of the unbonded prestress increment to effective reinforcement index and corresponding bonded prestress increment were studied. the formulae had been established

    其次,了三根活性粉末混凝土無粘結預應力疊合梁,兩點對稱集中加、一次受力,得到了它們的截面應變分佈、撓度與變形、無粘結預應力鋼絞線的預應力增量、裂縫的發展與分佈以及
  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算;討論了轉換層支撐體系的形式及構造,詳細論述了基於狀態的支撐架算方法,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算方法。
  10. This article describes a way of special ultrasonic system which monitors thermal stress in seamless welded rails. this monitoring system is a non destructive testing system, which adopts avr mcu and high - precise time chip processing as the core of it, and adopts the critically refracted longitudinal wave as the object of measuring. my studying focuses on the theory of the monitoring system, which will be listed in this arctile : according to the snell theory, the theory of motivating of critically refracted longitudinal wave is described in details, and the finite element software is used to emulate the propagating course. the formulas of calculating the pts of swr are taken from the acoustoelasticity theory, and the calculating the parameters is introduced. according to assemble materials, three kinds of ways of monitoring the pts of swr using critically refracted longitudinal wave are described, which are measuring the sound - time in changeless distance, ultrasonic critical - angle refractomery and frequency spectrum, the first way of ways is used in this experiment system. the factors, which effect the monitoring system, are assaid in some degree based

    本文的研究工作重點在無縫焊接鋼軌溫度應力測量系統的理論模塊,包括根據snell原理,研究折射縱波的激發機理,並使用有元軟體ansys進行模擬;根據聲彈性理論以及公式推導出算無縫焊接鋼軌中的溫度應力的公式,並對其中參數的求解方法進行介紹;根據收集的資料,介紹了三種使用折射縱波測量無縫焊接鋼軌溫度應力的方法,即固定距離測量聲時法、臨界角折射法和頻譜分析法,本實驗系統使用的是第一種;根據實驗經驗以及相關資料,分析了影響折射縱波測量溫度應力的幾個因素,並提出了相應的解決方法;根據實驗系統的需要,獨立並加工出相關配套的實驗備,包括實驗鋼塊、有機玻璃楔塊、固定件、外框裝置等。
  11. 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強度算建議。
  12. 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強度算建議。
  13. According to elasto - plasticity theory, with the help of finite - method program ansys, the paper undertakes the computer analogue tests about the bearing capacity of pile tip arranged by orthogonal principle, and attains the relations of pile - tip bearing capacity to embedment depth, pile diameter, cohesion, internal friction angle and modulus of deformation. by the means of mathematical statistic, regression equation of the ultimate bearing capacity calculated by finite element method is gained through the regression analysis of 81 group data from the computer analogue tests. by comparison and analysis of the values calculated by finite - element regression equation and the values of in situ loading test, the regression equation is gained which calculates the size effect for base resistance of large diameter pile

    根據彈塑性理論,運用大型有元軟體ansys按正交理論對樁端承力進行模擬算,獲得樁端承力與樁長(埋置深度) 、樁徑、粘聚力、內摩擦角及變形模量等主要影響因素的關系,並採用數理統方法,對81組ansys模擬試驗結果數據進行回歸分析,得到有元法確定樁端力的回歸公式,並將有元法回歸公式算值與現場小壓板試驗值進行比較分析,得到大直徑樁端阻的尺寸效應系數算公式。
  14. Firstly, the shear and normal stresses of tapered members under the transverse load or axial load are analysed, and the stresses formulas are obtained which are different from those of the prismatic ones. secondly, research is done on the in - plane inelastic stability of tapered members under axial loads about strong axis and weak axis. a new design method is suggested in which the tapered member is equivalent to the prismatic member with the cross - section at the larger end of the tapered member

    同時由分析可知,目前採用的將變截面壓桿按照彈性等效的原則等效成以小端截面為準的等截面壓桿的方法,在彈塑性階段低估了壓桿的承力,即彈性等效的壓桿在彈塑性階段並不等效,實際變截面壓桿的承力比等效的等截面壓桿的承力要高。
  15. 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、臨界斜裂縫值和縱筋應變、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。
  16. As a result, it is an urgent engineering problem to determine load level on asphalt pavements scientificly and to research ultimate state design method of asphalt pavement structures

    因此,科學地確定瀝青路面結構等級,研究瀝青路面結構狀態方法成為工程中迫切需要解決的問題。
  17. 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,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,可供基抗支護參考。
  18. The calculation method of the utmost load of gray cast iron beam with rectangle section is obtained through the analysis of limit load behavior of the beam under the united action of bending and pulling, therefore the design method of limit load about forcing parts of cast iron pressure vessels is determined

    通過分析灰口鑄鐵矩形截面梁在純彎曲和拉彎組合作用下行為,提出灰口鑄鐵矩形截面梁算方法,由此確定灰口鑄鐵壓力容器受壓元件的方法。
  19. Dll design limit load

    設計極限載荷
  20. This course provides mechanical engineering students with an awareness of various responses exhibited by solid engineering materials when subjected to mechanical and thermal loadings ; an introduction to the physical mechanisms associated with design - limiting behavior of engineering materials, especially stiffness, strength, toughness, and durability ; an understanding of basic mechanical properties of engineering materials, testing procedures used to quantify these properties, and ways in which these properties characterize material response ; quantitative skills to deal with materials - limiting problems in engineering design ; and a basis for materials selection in mechanical design

    本課程向機械工程學系學生提供以下知識:當固態工程材料承受機械或熱時的各種反應;介紹與工程材料之相關聯的物理機制,特別是剛度、強度、韌性、以及延展性;理解工程材料之基本力學性能;用來量化這些性能的測試手段;以及描述材料反應之特性的方式;定量處理工程時所遭遇到材料問題;以及機械時選擇選擇材料之基本概念。
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