扭變應力 的英文怎麼說
中文拼音 [niǔbiànyīnglì]
扭變應力
英文
distorting stress-
The fault controlled the magmatism and metallization relevant to the contact zone, and deformed successively and produced cataclastic rocks and two sets of joints ; the second stage was from late cretaceous to eocene. the fault zone deformed right - laterally under ne - sw striking transtention, and new joints zone was produced at the end of the two main faults because of local stress concentration. the fault produced inchoative cataclastic rocks, and two sets of typical joints in plutons ; the third stage of deformation was relatively faint and only a little of microcracks was produced and infilled with vei ns in the deformed rocks, which was during the himalayan movement
其後的繼承性活動在斷裂帶內形成碎裂程度最強達到碎裂巖的碎裂巖系列構造巖,變形帶兩側發育兩組典型的共軛剪節理;第二次在晚白堊世?始新世,斷裂在北東?南西向近水平擠壓作用下右行張扭性活動,斷裂帶兩主斷裂在斜列重疊的端部由於局部應力集中進一步擴展形成節理帶,而斷裂在巖體區也發育兩組典型的共軛剪節理,斷裂內形成初碎裂巖為主的構造巖;第三次是喜山期以西側抬升、東側下降的強烈升降為主的活動,在基巖中,主斷層兩側圍巖出現微破裂。Shear stresses and shear strains in prismatic members may be caused by either torsional moments, or by shear forces associated with flexure.
在等截面桿件中,剪應力和剪應變可以由扭矩引起,或者由變曲相關的剪力引起。For reducing the disadvantageous influence of the the relaxation of strain and the lose of pretension on the structure, the time span of delaying scene torsional moment checx and accurate maintence method are given
為減少高強螺栓預拉應變鬆弛和預拉應力損失對結構的不利影響,給出了延遲現場扭矩檢測的時間區間和正確維護的方法。Saturated sand are testes in the laboratory under the undrained cyclic loading condition with static - dynamic dual purpose triaxial compression test apparatus, which is designed under the cooperation of hohai university and marui co. ltd japan. the results indicate that the stress path approaches from a initial stress point to the failure lines as cyclic loading goes on, and eventually converges on a certain limiting stress path in the vicinity of the failure lines. the stress - strain curve, however, does not converge on a closed hystersis loop ; the shear strain rapidly increases in looser sand or gradually and continually increases in denser sand
利用河海大學與日本圓井株式會社共同研製的新型的多功能靜動三軸儀進行了飽和砂土循環扭剪不排水試驗,研究表明,對于松砂,剪應變幅度快速地由微小增加到百分之幾甚至百分之十幾,對于緊砂,剪應變幅度逐漸地由微小增加到百分之幾甚至百分之十幾;經試驗初步研究表明用初始有效平均正應力歸一化的有效應力路徑很好的一致性。Those two phases of conjugated shear joints are differ from each other in spatial distribution, which is a reflection of the spatial evolution of the fault zone. it can beinferredfrom the information about macrostructure, superimposed deformation of tectonites, paleotectonic stress field of joints and other related documents that there had been three stages of significant activity since zijingguan fault zone was activated. the first stage was about from middle juiassic to early cretaceous, when the fault zone activated left - laterally under nw - se striking transpression
宏觀構造組合特徵、構造巖變形疊加信息、節理的古構造應力場信息及前人區域資料表明,紫荊關斷裂帶自古生代末開始活化以來有三次主要構造活動:第一次是中侏羅世?早白堊世,在北西?南東向近水平擠壓作用下,斷裂左行壓扭性活動,控制太行山地區巖漿巖帶及與其相關的接觸交代型礦床的形成。The equivalent effective stress - strain curve of pure torsion was five - six times longer than that of tension experiment
由純扭轉實驗得到的等效應力應變曲線較拉伸實驗延長5 - 6倍。When we draw the stress - strain relation of monotonic tension and pure torsion at the same co - ordinate namely equivalent effective stress and equivalent effective strain co - ordinate, it is obviously that the equivalent effective stress - strain curve of monotonic tension and pure torsion are basicly superposition while the equivalent effective strain is smaller. but equivalent effective stress level of monotonic tension was higher a little than that of pure torsion
把a3鋼試件單一拉伸和純扭轉時應力應變關系繪于同一個坐標中即等效應力和等效應變坐標中,可以看出當等效應變較小時拉伸實驗得到的等效應力應變曲線與純扭轉實驗得到的等效應力應變曲線基本重合。但單一拉伸較純扭轉得到的等效應力要略高一些。In the formula, our experience in structural strength design and the experimental results are considered. and such factors are also considered as differences in materials of the skin and the reinforcer, effects of bending, torsion, stretching and offcenter of the reinforcer. furthermore, through post - buckling stress analysis of the skin, it is shown that even low stress level will result in buckling of the skin, but the skin still has loading capacity
在總結過去結構強度設計和試驗分析的基礎上,應用扁殼理論,在廣義力與廣義應變關系中考慮了蒙皮與加筋不同材料以及加筋的彎曲、扭轉、伸縮和偏心等的影響,推導出適合於工程應用的加筋殼結構軸壓屈曲臨界載荷的計算方法;並通過對薄壁結構蒙皮后屈曲應力分析,說明蒙皮在很低的應力水平時就出現失穩現象,但失穩后的蒙皮仍具有一定的承載能力。In practical application, the m10 180 bolts, which are installed in the head cover of the torque divider of ts5560 special automobile, sometimes fracture all of a sudden. according to the tests of acceleration, stress and strain, and the exciting test, it is resonance vibration that leads to the compound - bending fatigue fracture of the bolts. the exciting force caused by drive system, transmitted through the torque divider, produces a 1000 - 1500hz cyclical excitation at the junction of the bolts and head cover, which causes the first order bending resonance vibration of the bolts
通過加速度、應力應變測試實驗和激振試驗的研究,發現ts5560特種車分動器取力器氣缸端蓋m10 180螺栓斷裂問題是由於共振引起的雙向彎曲疲勞斷裂:傳動系統工作所產生的激勵,經過分動器結構的傳遞(特別是分動器一階扭轉模態的放大) ,在螺栓的連接處產生1000 1500hz的振動激勵,其導致螺栓一階彎曲共振,在螺栓一階彎曲模態的阻尼比較小的情況下,使得螺栓產生較大的共振響應,導致螺紋處的彎曲動應力較大,疲勞壽命較低。And a post - liquefaction test method has been put forward, in which the cyclic loading and the static loading courses are both controlled by stress mode. this method reflects the in - situ conditions well and truly, and a lot of tests have been done using this method. in these tests the effects of confining pressure, relative density, liquefaction severity etc. have been thoroughly investigated
主要工作內容如下:參與研製了振動扭剪全自動多功能三軸儀,並利用其獨特試驗功能設計了一套飽水砂土液化后特性的試驗方法,試驗過程中模擬地震作用的動加載過程及模擬大變形發生的靜加載過程均採用應力控制的方式進行,試驗方法跟現場條件更為接近並用該試驗方法對相對密實度、固結壓力、液化度等對液化后變形特性的影響進行了研究。The sensor utilizes the parallelism relationship of twisted axis twisting strain and torsion, axial strain and axial force, and also adopts signal transmission principle with non - contact
這種傳感器利用了受扭軸扭轉應變與扭矩、軸向應變與軸向力的對應關系,採用了信號非接觸傳輸原理。It is importance of the experiment about measuring principal stress combined bending with torsion in mechanics of materials. this paper points out shortcomings in the traditional experimental devices combined bending with torsion and establishes theory and principles for designing superminiaturizational experimental device combined bending with torsion through analyses of stress and strain state at the measured point a ( b ). it also designs the superminiaturizational experimental device, which has smaller space and more precision and has more reasonable structure measurements in this paper
彎扭組合主應力測定實驗在材料力學實驗中佔有重要的地位,作者指出了老式彎扭組合實驗設備的缺點,通過對所測點a ( b )處應力應變狀態分析,確立了設計超小型化彎扭組合實驗裝置的理論基礎、設計原則,設計出了體積小,加載簡單,結構尺寸合理,精度高的超小型化彎扭組合實驗裝置。Fire hazard testing - part 10 - 3 : abnormal heat ; mould stress relief distortion test
著火危險試驗.第10 - 3部分:不正常熱.模型應力釋放扭變試驗Fire hazard testing - part 10 - 3 : abnormal heat - mould stress relief distortion test
著火危險試驗.第10 - 3部分:不正常熱.模型應力釋放扭變試驗Fire hazard testing - part 10 - 3 : abnormal heat ; mould stress relief distortion test iec 60695 - 10 - 3 : 2002 ; german version en 60695 - 10 - 3 : 2002
著火試驗.第10 - 3部分:不正常熱.模型應力釋放扭變試驗Under macrostrain large strain, the equivalent effective stress of pure torsion was higher
在大應變下,由扭轉實驗測得的等效應力值較高。The pore air pressure gradually goes up with the developing of axial strain in the process of the dynamic torsional shear test of loess, but the pore water pressure hold the line or goes up a little in the last. the stress - strain dynamic constitutive relationship of intact loess and man - made loess show the hyperbolic model. there are some remarkable differences of strength and strain between unsaturated loess and saturated loess
研究結果表明:非飽和黃土在動力扭剪試驗過程中,隨著軸向變形的發展,孔隙氣壓力逐漸上升,而孔隙水壓力則基本保持不變或後期略有升高;原狀黃土和重塑黃土的應力應變本構關系呈雙曲線型;非飽和黃土和飽和黃土的強度及變形特性存在明顯差異;進而分析了含水量、固結應力和固結應力比對黃土動力特性的影響本文最後對非飽和土的有效應力計算公式進行了討論。Finally, the torsional vibration of a rigid disk resting on the saturated grounds under the general torque is primarily discussed by the means of laplace - hankel transform. the general solutions of the torsional moment, stress and displacement are given and the numerical solutions in special cases are also obtained
最後,本文還採用laplace - hankel聯合變換技術初步分析了在一般動扭矩作用下飽和地基上剛性圓板的扭轉振動問題,給出了扭矩、應力和位移的通解,並給出了特例情況下的數值解。Topics covered include : static equilibrium, force resultants, support conditions, analysis of determinate planar structures ( beams, trusses, frames ), stresses and strains in structural elements, states of stress ( shear, bending, torsion ), statically indeterminate systems, displacements and deformations, introduction to matrix methods, elastic stability, and approximate methods
主題包含了:靜力平衡、合力、支承條件、靜定平面結構(梁、桁架、構架)分析,結構構件之應力與應變,應力狀態(剪力、彎矩、扭力) ,靜不定系統,變位與變形,矩陣方法介紹,彈性穩定及近似值解法。The relationship between the cyclic stress response of tension and torsion and the cycle number were measured and studied subjected to proportional and non - proportional loadings
分別測試和研究比例與非比例拉扭加載下拉與扭的應力響應值隨循環數的變化關系。分享友人