ultimate strain 中文意思是什麼
ultimate strain
解釋
極限應變-
Here the hsc of sompa is achieved through adding super - effective water reducer, fined slag and silicon fume, and decreasing the water / cement ratio. by varying the area ( spacing ) of tension bars, compressive bars, vertical links and distribution steel and embedding steel fiber and polypropylene fiber we try to improve the behaviors of reinforced high performance concrete one - way spanning slabs in bending, so that its ductility be greater than 5. with the same arrangement of steel the width of bending member is varied to observe the effect of the width / depth ratio on the ultimate compressive strain of concrete
通過變化受拉筋含筋率和受壓筋、箍筋（鉤筋、分佈筋）含量，或摻加纖維使之成為鋼纖維高強混凝土（ sfrhsc ）和聚丙烯纖維高強混凝土（ pfrhsc ） ，對高強混凝土雙筋截面梁、板的受彎性能進行了試驗研究，試圖改善高強混凝土受彎構件的延性，使其延性比大於5 ；並在相同配筋情況下，通過變化截面寬度，研究了高強混凝土受彎構件的寬高比對壓區混凝土極限應變的影響；並對試驗構件的裂縫發展情況進行了觀測。 -
This paper analyzes the influence of sra on the shrinkage - cracking property of hpc by designing five check - up experiments including desiccation - shrinkage, autogeous shrinkage, flat - restraint, anti - chloride ion penetration and ultimate tensile strain
摘要設計了乾燥收縮、自收縮、平板約束、抗氯離子滲透性以及極限拉應變等5種試驗方法來檢驗減縮劑對高性能混凝土收縮開裂性能的影響。 -
This thesis briefly analyzes some yield criteria and instability criteria to the sheet metal forming first. then according to the transformation rule from ultimate strain to ultimate stress, it establishes the mathematical calculation models of the forming limit stress diagram for the software development according to hill48 、 hill79 and hosford yield criterion irrespectively
本文首先分析了板料成形的屈服準則和失穩準則，然後根據極限應變到極限應力的轉換關系，分別採用hill48屈服準則、 hill79屈服準則和hosford屈服準則，建立了用於軟體開發的成形極限應力圖的數學計算模型。 -
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。 -
Ultimate compressive strain of concrete
混凝土極限壓應變31 -
Safety of the shaft wall was discussed taking into account of ultimate compressive strain of high strength concrete ( hsc )
結合高強混凝土的極限壓應變，分析了井壁結構的安全性。 -
The maximum tangential compressive reaches 2221, which is about 76. 6 % of the ultimate compressive strain, within safe status
在龍固副井施工中，井壁環向最大壓應變達2221 ，約為極限壓應變的76 . 6 % ，處于安全狀態。 -
When the confined shrinkage value which resulted from the confined action of all above shrinkage exceed the ultimate tensile strain, cracks occur
各種收縮變形疊加后，混凝土的限制收縮值超過極限拉伸率導致裂縫的產生。 -
The author ' s program can resolve the following problems : ultimate strength of hull girder, the panel ' s curve of stress - strain
作者的程序可解決如下問題：船體梁的極限承載能力以及加筋板單元的平均應力-應變關系曲線。 -
The static triaxial test of two engineerings shows that the breaking strength of asphalt concrete declines significantly as the temperature rises and the strain increases noticeably when breaking. increase in the asphalt content leads to decrease in tangent modulus and cohesion, but the internal friction angle tends to increase. increasing confining stress results in the augment of the maximum stress and the ultimate value of volumetric strain
兩個實際工程的靜三軸變形與強度試驗表明，隨著溫度升高瀝青混凝土破壞強度明顯降低，破壞時應變明顯加大；瀝青含量的增加會導致切線模量和凝聚力降低，但內摩擦角趨于增加；周圍壓力增大會導致最大應力_ d增大，其體變壓縮極限值也越大。 -
This paper researches the influence of no treating, paving cement and fly ash paste, and paving cement mortar on rcc layer surface upon the ultimate tensile strain of placing joint of rcc layers under the condition of different interval of placement of rcc layers and different amount of binding materials
研究在不同的層間間隔時間條件下，採用不同的膠凝材料用量，對碾壓混凝土層面分別採取不處理，鋪水泥粉煤灰漿（簡稱水泥凈漿） 、水泥砂漿等處理措施對碾壓混凝土層面極限拉伸值的影響。 -
The parameters in the study included the fire duration time, the axial load level, the section type and the strengthen method. the ultimate lateral strength, flexural stiffness, dissipated energy and ductility of the columns were compared and analyzed. ( 2 ) based on the stress - strain relations for steel and concrete after high temperature and the temperature field in the structural member, fiber - based model was developed to calculate the hysteretic moment ( m ) versus curvature ( ) relations and the lateral load ( p ) versus lateral displacement ( ? )
（ 2 ）在確定高溫后鋼材和混凝土在往復荷載作用下的應力-應變關系以及構件截面溫度場的基礎上，考慮力-溫度-時間作用路徑，建立了火災后鋼管混凝土壓彎構件滯回性能的理論分析模型，對火災后鋼管混凝土構件的彎矩-曲率（ m - ） 、荷載-變形（ p - ）滯回關系曲線進行了分析，計算結果與實驗結果總體上吻合較好。 -
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。 -
Also, the design ultimate strain of cfrp is discussed and a simple design method is brought forward on the basis of experiment results
本文在試驗的基礎上給出了碳纖維的設計極限應變並提出了加固後梁正截面承載力的簡化計算方法。 -
As an example, the ratios of the experimental value to the analytical value of ultimate strain of confined concrete are taken as random variables whose probability density function is estimated with the proposed method
以約束混凝土極限應變的試驗與理論預測值之比值為例，進行了概率密度函數估計。 -
The analysis results show that the high strength of cfrp can ’ t be fully utilized and limit of ultimate strain of material with lower strength is suggested for structural retrofitting
本文對這些情況進行了研究，認為碳纖維材料的高強特性在加固中不能得到充分發揮，建議對其設計極限應變進行限制或選用中等強度的材料。 -
The multi - purpose tester developed here is aim at testing the mechanics performance of the brittle material, which bases on modular design thought, it contains several modules as the machinery load component, platform of supporting, the function modules and the software system, they can be combined in different function modules to satisfies the need of different application situation. the tester can be used to measure not only general material properties such as elastic modulus, ultimate strain, strength, hardness and toughness, fatigue properties but also various special properties such as the local strength, and surface residual stress at the different location of the brittle component with non - destructive methods. thus the security and reliability of the brittle component can be evaluated and predicted
本文基於模塊化設計思想，研製了一臺專門針對脆性材料力學性能測試的多功能脆性材料試驗儀，其主要包括機械加載模塊、支撐平臺、功能模塊、測控系統、軟體系統等模塊，通過對這些模塊的不同組合可實現不同的功能及滿足不同應用場合要求;系統除了具有測試脆性材料的彈性模量、極限應變、強度、硬度、韌性等常規性能外，還具有無損測試玻璃構件不同位置的局部強度和表面預應力，進而對玻璃構件的安全可靠性和壽命進行預測等功能。 -
First read in the calculation result file i. e. d3plot, then input the correlative material parameters and ultimate strain from experiments, and the developed software will produce the forming limit stress diagram used as sheet metal instability criterion and the stress contour of the part
所開發的應用軟體，首先讀取dynaform的計算結果文件d3plot ，輸入材料的相關參數和試驗所得到的板料的極限應變，軟體即可生成用作板料失穩判據分析用的成形極限應力圖和零件的應力雲圖。 -
3 ) the average - strain of cross - section still can be assumed to be keep - in - plane within the whole loading procedure ; the theoretical moment - curvatures obtained by the cross - section keep - in - plane is consistent with the experimental ones. 4 ) the analytical flexural bearing capacity and cfrp - strain are more accurate by assuming the concrete ultimate strain to be 0. 07 instead of 0. 0033 ; 5 ) limiting the cfrp - strain under 0. 01 is reasonable to evaluate the flexural bearing capacity of rc beams retrofitted with cfrp ; 6 ) the initial load is hardly influence the flexural bearing capacity of cfrp - strengthened rc beams
取混凝土的極限壓應變0 . 007代替0 . 0033進行計算的結果能更準確地評浙江大學碩士學位論文2004摘要價加固梁的抗彎承載力和cfrp應變; 5 .在計算cfrp加固梁的抗彎承載力時，限制cfrp的應變在0 . 01以內的措施是恰當的; 6 .梁所承受的荷載的大小對加固後梁的抗彎承載力影響不大。 -
In this paper, the ductility of steel bar is expressed by ductility ratio b, the figure of dividing ultimate strain by yield strain. the ductility of section is expressed by ductility of section ratio, the figure of dividing ultimate curvature by yield curvature. the displacement ductility is expressed by displacement ductility ratio, the figure of dividing ultimate displacement by yield displacement
論文中鋼筋延性採用鋼筋延性比b來表示，即極限應變與屈服應變的比值；構件截面延性採用截面延性比來表示，即極限曲率與屈服曲率的比值；構件位移延性採用位移延性比_來表示，即極限位移與屈服位移的比值。
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