極限力矩 的英文怎麼說
中文拼音 [jíxiànlìjǔ]
極限力矩
英文
ultimate moment- 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
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 矩 : 名詞1. (畫直角或正方形、矩形用的曲尺) carpenter's square; square2. (法度; 規則) rules; regulations 3. [物理學] moment
- 極限 : 1 (最高的限度) the limit; the maximum; the ultimate limit; limitation; extremity; tipping point...
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According to experiments, the paper study and make an analysis of beams consolidated by carbon fiber about its damage character, genuflecting bend, limit payload and rigidity, etc
摘要通過試驗,本文對用碳纖維加固的二次受力鋼?砼梁的破壞特性、屈服彎矩、極限承載力、剛度等進行了研究與分析。Two hypothesises, different from the traditional viewpoints, about stress distribution in beam section at the connection of beam and end - plate are presented by author to determine the ultimate moment of end - plate connection
其計算過程分為兩步: ( 1 )計算梁受拉翼緣的極限拉力; ( 2 )計算端板連接的極限彎矩。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。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。Finally, a set of equations is proposed to predict the ultimate strength of such connections, the results of which accord with that of both tests and fea
在此基礎上,對矩形鋼管混凝土t 、 y型節點的構造要求進行了探討,提出了可供工程應用的矩形鋼管混凝土t 、 y型節點極限承載力計算公式。( 3 ) by using an elastic - plastic material model, the nonlinear analysis is taken on the rectangular tube and simply supporte d plate, and the ultimate carrying load capacity pu is obtained. the results show that the buckling mode is in accordance with the assumption of elastic analysis, and so shows the ultimate mode
( 3 )採用彈塑性模型,考慮幾何非線性理論,利用ansys軟體對矩形鋼管考慮板組相關屈曲影響和不考慮相關屈曲影響(將矩形管板件按四邊簡支板對待)兩種情況進行了屈曲後分析,分別得出其極限承載力p _ u ,並分析了矩形管的屈曲過程。For the cantilever beam, the theoretical stiffness and limited capacity are slightly less than the test ones if considering only the steel beam and the reinforced bars in the negative moment zone with the concrete in the tension zone ignored
結果表明:簡支組合扁梁,忽略彈性中和軸以下受拉的混凝土的影響,採用等效換算截面方法計算所得的剛度和極限承載力與試驗結果比較吻合;懸臂梁只考慮混凝土板中配置的負彎矩鋼筋,忽略混凝土,計算所得的剛度和極限承載力比試驗結果略微偏小,但相差不大。In the paper, the load incremental method is adopted. by the way of reducing the elastic model of the destructive blocks in the elements, the finite element analysis model is revised and the repeated computing process does n ' t finish until the results are converged. the proposed method can simulate the entire process of concrete structures from crack to complete damage
分析中採用載荷增量法,對各級載荷下單元中破壞的材料分塊進行彈模折減處理,並重新生成單元剛度矩陣,經過多次迭代直至計算收斂,從而可以給出各類cfrp加固混凝土結構的載荷?變形全過程曲線,並預測其極限承載力。In this paper, considering the additional bending moments of the axial load about the lateral displacements ( i. e. the second - order effect ), an iterative computer analysis procedure is proposed to predict the load - deformation relations and ultimate loads of steel - concrete composite columns of arbitrary cross section
本文考慮長柱在軸向荷載作用下的附加彎矩影響(二階效應) ,提出了一種適用於任意截面形式鋼-砼組合長柱的荷載-變形關系分析和極限承載力分析的數值迭代計算機方法。On the basis of relative researches in the world, according to the study status of steel - concrete composite slab, which would be widely used in modern bridge, modified equivalent inflexibility of steel - concrete composite slab was deduced by use of conversion section principle in this paper ; based in this, this paper put forwards the theory of ultimate flexural capacity of steel - concrete composite slab in consideration of slip effect, and introduces the practical simplified method for calculating flexural deformation of steel - concrete composite slab in consideration of the effect of steel studs and welded wire, and conclude that the methods in this paper is veracious and reliable, comparing with the traditional calculating mode ; morever, this paper put forwards the calculating theory and program of the effect analysis of creep and shrinkage to steel - concrete composite slab, using conversion elastic modulus principle, and testifies that the theory is right and the program is reliable and practical
本文在國內外研究成果的基礎上,針對壓型鋼板與混凝土組合板結構在現代橋梁建設中廣泛應用前景和研究現狀,利用換算截面法導出了壓型鋼板與混凝土組合板結構的修正等效慣性矩;在此基礎上,又推出了考慮壓型鋼板與混凝土之間的相對粘結滑移影響的壓型鋼板與混凝土組合板結構極限抗彎承載能力計算理論,並介紹了考慮栓釘、聯結件影響的壓型鋼板與混凝土組合板結構簡化實用撓曲變形計算公式,而且通過與傳統計算理論的分析比較,表明本文提出的計算理論公式的準確可靠性;此外,採用換算彈性模量比法著重提出了壓型鋼板與混凝土組合板結構的徐變、收縮效應分析的計算理論和程序,並通過實例分析計算證明了理論的正確性、程序的可靠性和實用性。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極限載荷行為,提出灰口鑄鐵矩形截面梁極限載荷的計算方法,由此確定灰口鑄鐵壓力容器受壓元件的極限設計方法。The paper presents a new comparative method. that is to make the different strengthened forms by externally bonded with different materials reach the same ultimate flexural capacity, and contrast with each load - deflection and moment - curvature curve, which are calculated by paper ' s program. mean
本文引入新的對比方法,即不同材料的加固在最終均達到同樣的極限抗彎承載力時,比較其各自的彎矩一曲率和荷載一撓度變化情況,並自行編製程序進行計算。( 2 ) if secondary moment is taken for one kind of modulation of moment and there are the same, the effect of secondary moment on the modulation of moment becomes bigger with secondary moment becoming bigger. if prestressed frame can not complete full redistribution of internal force, ultimate load may put off and put up because of secondary moment. total coefficient of modulation of moment also is bigger
( 2 )如果把次彎矩看著是對框架的一種彎矩調幅,在相同的相對受壓區高度下,次彎矩越大,次彎矩調幅作用越強;如果結構不能實現完全的內力重分佈,則次彎矩能夠延緩截面極限承載力的到來,提高結構的極限承載力,結構總的彎矩調幅系數也隨著次彎矩的增大而增大。Whereas, vdsc operates on physical limits of large vehicle slip angle and lateral acceleration, and enhances vehicle lateral stability by utilizing the additional yaw moment produced by different adhesion forces acted on the right and left side wheels
而vdsc系統主要在車輛大側向加速度、大側偏角的極限工況下工作,通常利用左、右兩側車輪附著力之差產生的橫擺力矩來達到穩定性控制目的。According to the above formula, the initial rigidity and ultimate moment is calculated by developed program to several kinds of gabled frames end - plate connection joint with different types ( such as end - plate connection horizontally placed, vertically placed and inclinedly placed ), different end - plate thickness, different bolt diameter. the different result is compared with different end - plate thickness, the different force arm in joints, different bolt diameters and strength grades
按推導的公式編程計算了不同形式(端板外伸式、端板平齊式、端板斜接、柱腹板加勁) 、不同端板厚度、不同螺栓直徑的門式剛架樑柱端板節點的初始剛度、節點極限彎矩,並比較了不同端板厚度、不同節點力臂、不同螺栓直徑和強度等級、不同連接形式下初始剛度和極限彎矩的變化。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 。Moreover, six externally prestressed beams which were experimented overseas were analyzed with this method developed, by comparing the calculation result and the experiment data, it is found that the calculating method has a satisfactory precision and is worth being promoted
利用這一概念,建立了直接通過塑性鉸區長度和曲率半徑求體外預應力筋應力和梁極限彎矩的簡化公式,用簡化公式對國外有關6片體外預應力梁進行了計算,並與試驗結果進行對比,證明本研究中的簡化公式具有較好的精度,值得推廣。2. capacity p is concluded in ultimate moment capacity mu and it is analyzed by method of vp
在極限彎矩承載力m _ u中求p時, p的求法分析。The two kinds of joint connection half - rigidity characteristic about gabled frames are discussed. the criterion among rigid connection, zero rigidity connection, half rigidity connection is determined ; the joint ' s moment and rotation angle curve is analyzed ; the calculation method about joint initial rigidity is brought forward ; the ultimate moment ' s calculation formula is deduced ; the result calculated by the formulas is compared to one calculated by the norm ' s formulas
探討了門式剛架兩種端板節點連接的半剛性特性,確定了節點剛接、鉸接和半剛接劃分的標準;分析了節點受力時的彎矩轉角曲線關系;提出了節點的初始剛度的計算方法;提出了節點極限彎矩的計算公式,並與規范關于節點抗彎承載力計算的結果進行了比較。Initial rotational stiffness ri and ultimate moment capacity mu of top - and seat - angle steel connections is given in this text. initial rotational stiffness rt and ultimate moment capacity mu of top - and seat - angle with double web - angle steel connections is given in this text. it is right by comparison with experiment
推導了頂底角鋼、腹板雙角鋼連接的初始連接剛度r _ i ,頂底角鋼、腹板雙角鋼連接的極限彎矩承載力並經和試驗比較得出兩種連接型式的初始連接剛度、極限彎距承載力其理論值和試驗值的相對誤差在工程允許的范圍內。分享友人