three-point bending 中文意思是什麼

three-point bending 解釋
三點彎曲
  • three : n. 1. 三個人[東西]。2. 三歲，三時。3. 【板球】3字型。
  • point : n 1 尖頭，尖端；尖頭器具；〈美國〉筆尖；接種針，雕刻針，編織針；小岬，小地角；【拳擊】下巴。2 【...
  1. The experiment determined the fracture process and the parameter of the fracture properties of two different aggregate concrete and recorded the stable whole fracture curves of boulder concrete and crushed stone concrete separately, which are determined through three - point - bending method and wedge - split tensile method

    測定了兩種粗骨料混凝土的斷裂過程及斷裂特徵參數，分別記錄了兩種試驗方法測定的卵石混凝土和碎石混凝土的斷裂全曲線。
  2. By using 5000kn pressure - bent testing machine, the specimens of boulder concrete and crushed stone concrete were tested through three - point - bending method and wedge - split tensile method, the scale division of the index dial of pressure - bent testing machine is larger, whereas the predicted test - load is lesser, so the velocity of exerted load is controlled through observing the reading of the multimeter which is connected with the collecting systerm in order to continuously exert test - load

    本文使用5000kn壓彎實驗機，對不同強度等級的卵石混凝土和碎石混凝土試件分別進行了三點彎曲試驗和楔入劈拉試驗。試驗過程中，由於實驗機噸位較大，而試驗荷載預計較小，為了能夠有效地控制加載大小和加載速度，採用通過觀察與荷載傳感器相連的萬用表讀數控制加載速度的方法，連續加載。
  3. First, the basic mechanical capability and creep were proceeded on the material test system with the modified three point bending creep fracture test. the modulus and fracture toughness and tensile strength was attained and creep curve in 200 temperature was also presented. applying basic damage mechanical theory, thermal damage analyses were performed induced in fracture toughness and modulus, the practical formula of damage factors varying with temperature and time was given

    首先利用改進的三點彎曲試驗在mts實驗機上進行了巖石力學性能和蠕變測試，得到了花崗巖在溫度影響下的彈性模量和斷裂韌度以及抗拉強度變化規律，並得到了200下北山花崗巖蠕變全過程曲線。
  4. In this paper, the program ls - dyna was used. the model was validated by simulating the tibia three - point bending test and lower extremity sheering and bending tests

    模型的有效性通過模擬脛骨的彎曲實驗和下肢的剪切與彎曲實驗，並比照相同條件下的生物試驗結果驗證。
  5. The damage introduced by single and 5 repeated thermal shocks ( water - quench experiments ) was characterized by degradation of flexural strength in three - point bending

    單次和5次重復熱震（水淬試驗）后經三點抗彎測試來觀察材料抗彎強度的衰減情況。
  6. The measurement of crack initiation in three - point bending fatigue of 40cr steel

    鋼疲勞裂紋萌生壽命的測量
  7. Test method for determination of the modulus of elasticity for rigid and semi - rigid plastic specimens by controlled rate of loading using three point bending

    用三點彎曲法測定在裝載控制速度下剛性和半剛性塑料樣品彈性模量的方法
  8. Standard test method for determination of modulus of elasticity for rigid and semi - rigid plastic specimens by controlled rate of loading using three - point bending

    用三點彎曲法測定在裝載控制速度下剛性和半剛性塑料樣品的彈性模量的標準試驗方法
  9. The results of analyzing the fatigue behavior of the specimens in direct tension test, cantilever beam bending test, three point bending test and wheel tracking test by apa show that the fatigue failure regularities of specimens in different tests are different

    關于直接拉伸、懸臂梁彎曲、三點彎曲和往返輪載（ apa ）等疲勞試驗的試件所開展的疲勞損傷分析發現，試驗方法不同，其疲勞損傷破壞規律不同。
  10. Firstly, one conventional model of fatigue damage and classical damage mechanics theory are used to analyze the fatigue behavior of asphalt mixture specimens in fatigue tests including direct tension, cantilever beam bending, three point bending and wheel tracking by asphalt pavement analyzer ( apa ). for every type of tests, corresponding fatigue damage model and computational method are set up

    首先直接採用一種常用的疲勞損傷演化模型和經典損傷理論，分別對直接拉伸、懸臂梁彎曲、梁式試件三點彎曲和apa往返輪載等多種疲勞試驗開展疲勞損傷分析，針對每類試驗均建立了相應的疲勞損傷模型和疲勞損傷計算方法。
  11. Calculate the dynamic stress intensity factor of simple edge crack round bar specimen in three point bending of nanling marble

    計算大理巖帶直切口三點彎曲棒梁試件的動應力強度因子的近似公式
  12. Fatigue damage detection in three - point - bending fatigue of 40cr steel

    鋼的三點彎曲疲勞損傷在線跟蹤測量
  13. The on - line liquid infiltration joining of c / sic composite with different conditions was carried out. a kind of ni - base alloy was used as the interlinker and the composites were woven by different ways. by using the three - point bending test, combined with sem, eds, the microstructure and the properties of joints of the c / sic composites were studied

    本文採用在線液相滲透連接方法，以ni基合金作為連接劑，在不同連接條件下對不同編織結構的c sic復合材料進行連接，並結合掃描電鏡（ sem ） 、能譜分析（ eds ）及三點彎曲強度測試研究了c sic復合材料連接的顯微結構與性能。
  14. Experimental and finite element analysis of three point bending ( tpb ) test were conducted. it is found material ' s anisotropy of anisotropic materials and poission ' s ratio of isotropic materials all had influence on contact deformation between specimen and fixture. so it is wise to get flexural properties using four point bending test

    4 .通過試驗和有限元分析發現，造成對三點彎曲試驗測得的三維編織復合材料的彎曲模量遠低於四點彎曲試驗結果的原因:材料的各向異性和泊松比對於三點彎曲試驗的壓頭和支座處的局部接觸變形影響很大
  15. Two different reinforcing methodologies are applied : modification of the overlay characteristics by adding chopped glass fibers to the hot mixture asphalt ( hma ) and reinforcing asphalt overlay with glass grids. theory of fracture mechanics ( fm ) is employed to determine crack growth rates for the suggested anti - cracking overlay systems. asphalt mixture designing tests, three point bending tests and fatigue crack propagation tests were carried out. the critical stress intensity factors kic are determined for plain and reinforced asphalt concrete. depending on the fatigue crack propagation, the crack growth rate is determined for each type of anti - cracking system and the cracking process is also analyzed. one of the significant points in this study is the attempt to give better understanding of the crack propagation for multilayer asphaltic overlay or what are suggested herein to be called composite structure anti - cracking overlay system. the results indicate that the reinforcing materials improve anti - cracking characteristics of the asphalt concrete. composite structure anti - cracking overlay gives a good solution for the reflective cracking phenomenon over old cracked pavements

    利用2種不同的方法加筋瀝青罩面:在瀝青混合料中加入短切玻璃纖維改善瀝青混凝土的特性，採用玻璃格珊加筋瀝青混凝土.應用斷裂力學方法分析瀝青路面裂縫擴展機理.採用瀝青混合料設計試驗、三點彎曲試驗和疲勞裂縫擴展試驗，確定加筋瀝青混凝土的臨界應力強度因子kic ，測量每一種瀝青罩面抗裂系統的裂縫擴展速率.本研究的主要特點是提出復合型抗裂罩面系統，分析了多層加筋瀝青罩面裂縫擴展過程，推薦了若干瀝青路面抗裂系統.結果證明，加筋材料可以提高瀝青罩面的抗裂特性，復合型抗裂罩面系統能夠有效地阻止反射裂縫的擴展
  16. Therefore, it is desirable to investigate and enhance the mechanical property of silicon single crystal. in this paper, the fracture property of czochralshi ( cz ) and nitrogen - doped silicon ( ncz ) were investigated at room temperature by three - point bending method

    尤其在當今隨著矽片直徑不斷增大的情況下，提高矽片的機械強度，減少矽片損傷、翹曲、位錯及其滑移等帶來的損失變得十分重要。
  17. Standard test method for distortion temperature in three - point bending by thermomechanical analysis

    熱機分析三點彎曲處變形溫度的標準試驗方法
  18. After mechanical and process properties testing, the results indicated that : ( 1 ) the film resin can make the properties good in climbing drum peer strength of sandwich constructions composite, the little effects of the film resin on other mechanical properties have been given ; ( 2 ) the sandwich composite has the better mechanical properties at central symmetry layer than asymmetric layer ; ( 3 ) through the study of the different pressure of the sandwich composite, the result is obtained that the edgewise properties increases, the flexural properties decreases with the pressure increase from 0. 2mpa to 0. 5mpa ; ( 4 ) at the sameness extend layer, the mechanical properties of the laminate is bigger than that of the honeycomb sandwich panel ; ( 5 ) through the studies on honeycomb sandwich plate delamination under three - point bending tests. it is found that the flexural strength decreases with the area of delamination increases

    研究表明： （ 1 ）膠膜能明顯的提高蜂窩夾層結構的剝離性能，對其它性能的影響不大； （ 2 ）對稱鋪層較非對稱鋪層的力學性能高； （ 3 ）固化壓力由0 . 3mpa提高至0 . 5mpa時，蜂窩夾層結構的側壓強度提高，而彎曲強度和剪切剛度分別降低； （ 4 ）蜂窩夾層結構中的面板較同樣材料鋪層的復合材料疊層板的力學性能低； （ 5 ）蜂窩夾層結構的界面上有缺陷時，彎曲強度下降，且隨著缺陷面積增大，彎曲強度下降幅度增大。
  19. Shear and three - point bending test of animal bones

    動物骨的剪切和三點彎曲試驗
  20. The dynamic response of stress intensity factor of three - point bending specimen

    三點彎曲試樣應力強度因子的動態響應
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