ultimate deflection 中文意思是什麼

ultimate deflection 解釋
極限形變
  • ultimate : adj 1 最後的,最終的,極限的,結局的。2 根本的,首要的,基本的。3 最遠的;終極的;【力學】最大的...
  1. The research shows that : 1 ) the ductility of the hsc bending members constructed is much greater than 5 ; 2 ) increasing the vertical links and distribution steel can increase the deflection under ultimate moment ; 3 ) with appropriate compressive bars, vertical links and distribution steel the increase of moment after yield and the decrease of moment under ultimate moment can be ignored, so the ductility of the hsc bending member is much larger ; 3 ) the width / depth ratio of hsc bending member has no obvious effect on the ultimate compressive strain of concrete ; 4 ) the method used here to calculate the deflection is applicable ; 5 ) the location of crack coincides with the location of vertical links and distribution steel ; 6 ) the bending property of the hsc structure under the blast load can meet the demand of protective engineering

    研究表明:本文研究的梁、板構件的延性比遠大於5 ;增加箍筋(鉤筋、分佈筋)含量,可以提高壓區混凝土剝落時的撓度;在適當的受壓筋、箍筋(鉤筋、分佈筋)含量下,可以忽略壓區混凝土剝落瞬間的承載力下降,從而大大提高構件的延性;受彎構件的寬高比對壓區混凝土極限應變的影響不明顯;受彎構件的裂縫間距受箍筋(鉤筋、分佈筋)的布置影響;文中所用的承載力和變形計算方法是可行的。化爆試驗表明,高強混凝土構件的動載抗彎性能能夠滿足防護結構的要求。
  2. 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。
  3. 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。
  4. Parameter analysis, 3d nonlinear finite element program and experimental study are carried out to discuss the prestressing effects in terms of ultimate flexural strength, deflection, cracking moment, the redistribution of internal force, the stress increment of prestressed tendons, and the slip at the interface of prestressed steel - concrete composite continuous beams

    本文通過參數分析、 ansys三維有限元非線性分析、模型試驗等研究方法,著重探討了抗彎承載力、撓度變形、開裂彎矩、內力重分佈、預應力筋應力增量、組合界面滑移等方面的預加力效應。
  5. The paper made up a flexural experiment with six pieces of composite slab. during the every step of load exerted, the paper recorded the strain of cold - form steel deck and concrete, deflection, crack, slide, ultimate bearing capacity. by changing the thickness of cold - form deck, thickness and strength of concrete, amount of steel stud and other parameters, the paper discussed the behavior of loaded composite - slab

    本文進行6塊組合板的抗彎性能試驗,測試各級荷載下壓型鋼板及砼應變、組合板撓度、裂縫、板端滑移、組合板抗彎極限承載力;通過壓型鋼板厚度、砼板厚度、砼強度等級、栓釘數量等幾個參數的變化,探討組合板在荷載作用下的內力、變形情況。
  6. Based on the test results, the ultimate load - carrying capacity, mode of failure, cracking behavior and load versus mid - pan lateral deflection curves of the strengthened specimens are summarized and analyzed

    在試驗的基礎上,對加固構件的極限承載力、破壞形態、裂縫分佈以及荷載跨中橈度曲線等進行了總結和分析。
  7. Taken the damaged ship as an object, the nonlinear response including dynamic characteristics, external loads, hull deflection, buckling and ultimate strength of stiffened panels, and ultimate strength of hull is carried out in this paper

    本文通過對破損后的不對稱船體結構的非線性響應問題包括船體動態特性、破損船體外載荷、船體撓度、加筋板屈曲與極限強度,以及船體極限強度等方面進行了初步研究,從而為艦船生命力中的破損船體剩餘強度衡準制定提供依據。
  8. At first, the experiment carried out by tianjin university has been analysed according to the " nonlinear balance trying calculation " method, and the values of yield load and ultimate load agree with the test result better, and the curve of bending moment - curvature, bending moment - deflection can agree with the results. the second, the simplified formula for evaluation the ultimate flexural capacity of cfrp strengthened rc members is presented according to the three probable failure modes ( compression failure ; cfrp rupture ; crushing of the concrete in compression before yielding of the reinforcing steel ). it is applicable to both singly and doubly reinforced rectangular sections, as well as flanged sections

    首先利用鋼筋混凝土非線性平衡試演算法對天津大學試驗進行了理論分析,所得分析值與試驗結果相比,加固梁的屈服荷載、極限荷載能夠很好地吻合,彎矩曲率關系曲線及彎矩撓度關系曲線較為吻合;其次,為了滿足實際工程的需要,根據碳纖維布加固構件可能發生的三種破壞形態(壓區混凝土壓碎破壞、碳纖維布拉斷破壞以及受拉鋼筋尚未屈服時壓區混凝土已壓碎破壞) ,區別三種鋼筋混凝土構件截面形式(單筋矩形截面、雙筋矩形截面、 t形截面) ,分別給出了碳纖維布加固混凝土構件抗彎承載力的簡化計算公式和適用條件,並進一步探討了這三種截面形式下進行加固設計和復核的步驟。
  9. 1. experiments on uniaxial tensile of cfrp and gfrp are carried out, in which the tensile strength, young ' s modulus and ultimate deflection of frp are measured. the influence on tensile behavior caused by different adhesives is analyzed, and the standardization problem on tensile test methods is discussed

    設計了加載裝置和測量應變裝置,測試6種不同纖維片材和粘結劑組合的抗拉強度、彈性模量、極限應變,並分析不同粘結劑對纖維片材拉伸性能的影響,最後對纖維片材拉伸試驗的標準化問題進行了簡單的探討。
  10. Observing the mechanics and effect of the new strengthening method with test and finite element method is supposed to offer a guide for technology and become valuable in theory and practice. both compression test, including four reinforced and three control specimens, and shear - compression test, including nineteen reinforced and four control specimens are being studied in this paper. the research on the curves of load - strain, load - deflection and hysteretic shows that the transverse translation of the reinforced columns is well controlled with an upgrading of both ductility and ultimate bearing capacity ( ubc )

    本文對4根鋼絲網外噴高強砂漿加固鋼筋混凝土柱和3根對比鋼筋混凝土柱進行了軸壓試驗研究,並對19根加固鋼筋混凝土柱和4根對比鋼筋混凝土柱進行了剪壓試驗研究;通過對試件荷載-應變曲線、荷載-撓度曲線和滯回曲線等的研究表明,採用該加固方法能有效的約束柱子橫向變形,並對提高鋼筋混凝土柱的極限承載力和延性有明顯的效果;同時根據理論及加固機理分析提出了適應於此加固方法的軸壓極限承載力計算公式。
  11. Based on the test of 3 concrete beams reinforced with surface adhering sand carbon fiber bar and 2 concrete beams reinforced with surface adhering sand glass fiber bar, the deflection, balanced reinforcement ratio, failure mode, and ultimate capacity were analyzed and corresponding formulas are recommended

    摘要以3根粘砂碳纖維聚合物筋混凝土梁和2根粘砂玻璃纖維聚合物筋的試驗為依據,分析了纖維聚合物筋混凝土梁的撓度變形和破壞形式,以及界限配筋率和正截面承載力;並結合我國混凝土結構設計規范對梁的正截面承載力計算公式進行了推導。
  12. An explicit formula of ultimate strength is achieved according as combination of elastic large deflection method and rigid plastic method for perfect plates. 2. the explicit formulae with damage parameters as variable of reduction factors for ultimate strength of damaged plates are achieved by curve fitting based on a mass of numerical computation for parametric imperfection and damage of plates

    將板格的各種缺陷和損傷形式參數化,通過大量數值計算擬合出受損板格極限強度折減系數的以損傷參數為變量的顯式表達示,用折減系數對完好板格極限強度進行折減得到受損板格極限強度公式。
  13. The beams under secondary loading ( namely the preloading was not removed ) are firstly studied in this dissertation, and the ultimate strength, stiffness, and the distribution of cracks of the beams strengthened with ferrocement have been analyzed. mid - span deflection, crack width and strains of steel were measured during the course of the test, and performances of the beams are compared and assessed with particular emphasis on cracking behavior, mid - span deflection, ultimate strength capacity, the modes of failure and so on

    本文首次對二次受力(初始荷載不卸除)試件進行了加固試驗研究,試驗中測量了試件的極限荷載、混凝土應變、鋼筋應變及鋼筋網應變等,對比了加固與未加固構件的裂縫開展、跨中撓度以及極限荷載情況,並研究了用該方法加固的梁在各種受力情況下可能產生的破壞形式等。
  14. The specimens of rpc filled in steel tube slender columns were studied, and test results showed that the ultimate loading capacity and maximum displacement decreased as the slender ratio l0 / d increased, the relative loading when the lateral deflection increasing fast decreased as the l0 / d increased

    對鋼管活性粉末混凝土中長柱的實驗研究表明,中長柱試件的承載力和極限位移都隨著試件的計算長徑比l _ 0 d的增大而降低(或減小) ,側向撓度迅速增大時的相對荷載也隨著計算長徑比l _ 0 d的增大而降低。
  15. In the thesis, the design issues of repairing and strengthening reinforced concrete structure using ferrocement have been provided, and the equations of brittle ratio, cracking load, ultimate load and vertical deflection have been inferred too. at last, a conclusion is shown that the theoretical equations share a good agreement with the experimental results of the tested beams

    本文就鋼絲網復合砂漿加固受彎構件的設計進行了探討,提出了界限加強率、開裂荷載、極限荷載以及撓度的計算公式,並將計算公式的結果與試驗結果進行比較,取得了較好的吻合。
  16. The ultimate load analysis, mainly the yield - line theory and strip method, cannot illustrate the development of inner forces, deflection or the spreading of the cracks. meanwhile, the implementation of fem can give the information

    由於極限分析不能給出結構的受力和變形發展全過程,因此不利於揭示結構的薄弱部位和環節,也不利於結構的優化設計。
  17. Guarantee the safety of this project. this experiment focus on the failure mode and the ultimate bearing capacity of these columns. besides, this experiment also study the rule of the development of the deflection, the crack, the strain and the stress with the process of this experiment.

    通過此次試驗重點研究重慶大劇院縱向框架細長柱的破壞形態(是強度破壞還是失穩破壞)和極限承載能力,同時研究構件的變形、裂縫、應力應變隨加載的發展變化規律及其破壞過程,為本工程及今後此類細長柱結構體系的設計提出一些有益的建議。
  18. The specimens of rpc filled in steel tube short columns were studied, and their characters of deflection were analyzed. the tested cures of loading - displacement relationship of rpc filled in steel tube short columns were given and the characters were discussed. a formula for predicting the ultimate bearing capacity of rpc filled in steel tube short columns under axial compression was derived from the limit equilibrium method

    分析了鋼管活性粉末混凝土短柱的變形特點,模擬了鋼管活性粉末混凝土結構的三種加載方式,探討了該組合結構的工作機理,分析了試件受荷時的變形特點,給出了試件的實測荷載-變形曲線,並分析了套箍指標、加載方式等對鋼管活性粉末混凝土軸心受壓時的荷載-變形曲線的影響。
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