韌度試驗 的英文怎麼說
中文拼音 [rèndùshìyàn]
韌度試驗
英文
rupture test-
Research about ctod and its components 8 ", " shows that the direction angle of ctod vector is identical with the fracture angle of void - mode fracture, which is obtained through experiments, and it is also identical with the result got by peak value line of stress triaxiality. besides, 8 i " was compare with vgc as criterion for initiation of void - mode fracture
對裂紋尖端張開位移ctod及其張開型分量~ 1和剪切型分量~ 11的分析表明,在試件發生韌窩型斷裂時,按照圓弧裂紋中ctod矢量的垂直方向預測的斷裂角與試驗測得的斷裂角符合較好,與三軸度脊線預計的結果也比較一致。Metallic materials - standard test method for jic, a measure of ductile fracture toughness
金屬材料延性斷裂韌度jic試驗方法In the same time, according to the fracture test results, the influence mechanism of aggregate size on fracture toughness of adherence of new and old concrete is discussed and analyzed, which is verified by manse of the fractal theory
同時根據新老混凝土粘結斷裂試驗結果,分析了粗骨料最大粒徑對新老混凝土粘結斷裂韌度的影響機理,並用分形理論對影響機理進行了驗證。After continuous researches on macroscopic fracture theories and microscopic fracture theories, characterization parameters of the material fracture toughness have been defined, and the microscopic fracture theories applied in 3d braided cmc also have been proposed. enough numerical simulations have been conducted, and also comparison with the theories has been done
經過對試驗的反復推敲和論證,本文從宏觀斷裂理論和細觀斷裂理論的角度,確定了三維編織c sic復合材料(三維編織cmc )斷裂韌性的表徵參量,發展了能夠在該材料中應用的細觀斷裂理論。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。In order to use the strength and toughness index for design and apply of sfrc unified theoretical calculation formula of reinforcing and toughening of sfrc is given. experiments on bending toughness, breaking toughness and cube strength test results are carried out in connection with various kind of deformed steel fiber
初步給出建立鋼纖維混凝土增強、增韌統一理論計算公式思想,為鋼纖維混凝土強韌雙重指標在設計、選用鋼纖維混凝土中的應用打下基礎;針對不同種類異形鋼纖維進行了彎曲韌性、斷裂韌性、立方體抗壓強度等試驗。In the first part of this dissertation, theory of fracture mechanics of the frozen soil has been presented. a general strength theory based on fracture mechanics was proposed, and the validity of the theory using in frozen soil was discussed. the fracture toughness values for different kinds of cracks extension were determined, such as the plane strain fracture toughness for mode i cracking ( kic ), fracture toughness for mode cracking of frozen soil and the intersection of frozen soil and concrete
論文第二章為凍土斷裂力學的基本理論,包括斷裂力學在凍土研究中的工程適用性、條件適用性、平面應變斷裂韌度測試的適用條件等,給出了凍土斷裂韌度k _ ( c ) 、 k _ ( c ) 、 -型復合斷裂測試的基本原理及試驗方法,並基於weibull脆性破壞理論推導了凍土三點彎曲試樣k _ ( c )尺寸效應系數,為後面的工作提供理論基礎。The results indicate that the fracture toughness is influenced markedly by the different base structure of vermicular east iron and by the form of graphite ; unlike steel, the fracture toughness of vermicular cast iron increases with the yielding strength, while drops drastically with the increase of ratio of graphite grain length to thickness
試驗結果表明,蠕墨鑄鐵的斷裂韌度受不同基體組織的影響比較明顯;受不同石墨形態的影響顯著,與結構鋼不同,蠕墨鑄鐵的斷裂韌度隨材料的屈服強度增大而增大,隨石墨顆粒的長厚比增加會急劇下降。This subject is to combine the steel fiber reinforced concrete with the lightweight aggregate concrete to form a steel fiber reinforced lightweight aggregate ( haydite ) concrete, which owns the advantages of high toughness of steel fiber reinforced concrete and the light weight of lightweight aggregate concrete. in order to get the main character and mechanical property parameter of strength and deformation of steel fiber reinforced lightweight aggregate concrete, we do the experiments of cubic compressive strength, splitting - tensile strength, bending strength, elastic modulus and axial compressive strength and summarize the influence laws to the relation of mechanical performance of steel fiber reinforced lightweight aggregate and the quantity of steel fiber
鋼纖維輕骨料混凝土兼有鋼纖維混凝土的韌性高和輕骨料混凝土質量輕的優點,為了掌握這種新型材料的主要特徵和強度、變形等力學性能,本文進行了鋼纖維輕骨料混凝土的立方體抗壓強度、軸心抗壓強度、劈裂抗拉強度、抗折強度和彈性模量等試驗研究,總結出鋼纖維摻量對鋼纖維輕骨料混凝土的力學性能的影響規律。Standard test method for short rod fracture toughness of cemented carbides
硬質合金短桿斷裂韌度的試驗方法We built a test road and after one year, we used surface wave exploration to test. the result is that the repaired layer felt old road well and have no empty spot. we used the pendulum friction tested and the results are the wear - resisting property is better than cement concrete pavement and pendulum friction is higher than cement concrete pavement
此種材料同原有水泥混凝土路面的粘結性能強,強度上升快,韌性大,抗凍性好,防水抗滲;通過試驗路運營一年多的檢測結果表明:通過面波儀測定修補層與原路面粘結良好,沒有脫空點;利用擺式摩擦儀測定其耐摩耗性能優于原水泥混凝土路面。Plastics piping systems. thermoplastics fittings. test method for mechanical strength or flexibility of fabricated fittings
塑料管道系統.熱塑塑料配件.組裝配件的機械強度或柔韌性的試驗方法In the aspect of improving the cracking feature, compatibility and flexibility, the author has done experiments, including strength, modulus of elasticity experiments, and design some experiments similar to the practical structure and circumstance including adhesion strength between fresh mortars and old ones, between mortar and polystyrene board, mortar shrinkage in concrete circle, mortar shrinkage at different strength and different polymer - cement ratio, and temperature deformability at different strength and different polymer - cement ratio on mortars, on different type of formwork and on mortars with different type of formwork
在改善砂漿抗裂性、提高柔韌性和協調變形能力方面,進行了不同聚合物摻量的強度試驗、彈性模量試驗;設計了與模網混凝土實際結構和情況相接近的新老砂漿粘結強度試驗、砂漿與苯板的粘結試驗以及混凝土環中的砂漿收縮試驗;進行了不同強度、不同聚合物摻量下的砂漿干縮變形試驗、溫度變形試驗,以及不同結構形式的鋼網自身溫度變形試驗和配有鋼網的砂漿溫度變形試驗。Since the specimens used in the wedge - split tensile method are smaller, cheaper and the testing is more convenient, it is proposed that using the wedge - split tensile method tests the fracture toughness and the fracture energy of concrete
由於楔入劈拉法具有試件尺寸小、節省材料、試驗簡單方便、單人可操作等特點,測定混凝土斷裂韌度、斷裂能的實驗方法筆者建議採用楔入劈拉法。Experiment on dynamic rock facture toughness using edge - notched disc specimen
邊切槽圓盤試樣的巖石動態斷裂韌度實驗Combining the fracture toughness test results of rcc specimens with the existed size effect formula for fracture toughness of common concrete, the suitable size effect formula fur fracture toughness of rcc was gotten on the comparative of results of the computation models
將碾壓混凝土斷裂韌度試驗結果與已有的普通混凝土斷裂韌度尺寸效應公式結合,通過對幾種模型的計算結果的分析比較,得到了碾壓混凝土所適用的斷裂韌度尺寸效應公式。The new production of pva - dfrccs is successfully made out. which have achieved excellent flexural toughness, multiple cracking and flexural load - deflection hardening
通過試驗成功研製出了具有多縫開裂和抗彎荷載-撓度硬化效應的高韌性pva - dfrcc 。In short, the analysis of arc - tip fracture shows that : the initiation of void - mode fracture can be judged by vgc criterion, or by j ". according to sx criterion ; fracture direction of void - mode fracture can be determined by ctod and peak value line of stress triaxiality. the mesomechanics mechanism of shear - mode fracture need further study, and analysis found direction of plastic belt is consistent with the direction of shear - mode fracture
綜上所述,本文通過對圓弧尖端裂紋的分析表明:對于韌窩型斷裂的起裂,可以依據-復合型斷裂的sx準則按照i ~ 1來預測起裂載荷,也可用v _ ( gc )判據來預測起裂載荷,二者結果相近;對于韌窩型斷裂的斷裂角,用ctod矢量方向和三軸度脊線方向判斷均和試驗結果基本。Based on these test results, the effect of the kind of fiber on the reinforcing and toughening state of sfrc is analyzed the experimental results show that the kind of fiber affect the reinforcing and toughness state of sfrc greatly. the experimental results are analyzed using fracture - cmod toughness method, flexural toughness index isjiojao and toughness index design value
在試驗的基礎上,分析了纖維種類對鋼纖維混凝土增強、增韌性能的影響;運用斷裂cmod韌度法、 《鋼纖維混凝土試驗方法標準》 cecs13 : 89推薦的彎曲韌性指數評價方法和美國astmc1018 - 89標準推薦的韌度設計值分析本文中的試驗結果。Fracture mechanics toughness tests - method for determination of fracture toughness of metallic materials at rates of increase in stress intensity factor greater than 3. 0 mpa m0. 5 s - 1
斷裂機械韌性試驗.應力強度因子大於3 . 0 mpa m0 . 5 s - 1的增長速度下金屬材料斷裂韌性的測定方法分享友人