振動剪 的英文怎麼說
中文拼音 [zhèndòngjiǎn]
振動剪
英文
nibbling shear-
The number of modes should be selected according to the participant coefficient of mode when calculating the internal force by the response spectrum method ; ( 4 ) the roof plate of large base which connect the towers together should be thick enough but not exceeding the proper scope that the towers and the large base can vibrate together, ( 5 ) in structures with large base and muti - towers, with increasing of the capacity of the large base, the inter - story shear force will increase while the inter - story displacement will decrease as to fulfill the ductility request to avoid the large base becoming weak story, but meanwhile, the upper story will turn into weak story, thus the coefficient r s should be within 2. 0 ~ 3. 0
採用振型分解反應譜法計算結構內力時應根據振型參與系數選擇振型避免漏選；大底盤多塔樓結構連接各塔樓的裙房屋面剛度應做得大些，以保證底部裙房與上部塔樓共同振動，但也不能過剛；大底盤多塔樓結構底盤承載力的加強將使底盤層剪力增大、層間變形減小，但易於滿足延性要求，在一定程度上可避免底盤成為薄弱層。但底部加強會導致薄弱層的上移，因此採取提高底盤承載力的措施的效果是有限度的，承載力系數s宜取為2 . 0 3 . 0之間。In this paper, the author combines the theory analysis with the experiment research method, and discusses the seismic behaviours, 3d elaborate finite element analysis and simplified model analysis of a kind of multi - function tall building - " sub - shearwall supported by frame ", which is applied widely today. the main contents are as follows : in order to observe the failure process and the earthquake response of the complex structure, and to analysis the seismic behaviour of the structural system and structural members, a 1 / 20 cement mortor model of a complex tall - building which is about to be built was producted and the shaking table test of this model under 26 sorts of earthquake loads was made. using sap2000 finite element analysis program, a 3d analysis model was built in computer, and the elastic time - history analysis of the model was done
本文採用理論分析和試驗研究相結合的方法，研究了目前應用較多的綜合性大廈? ?框支分區剪力墻高層商住樓的抗震性能及空間精細分析和簡化分析方法，主要內容為以下幾方面：對一擬建的復雜高層建築結構，採用1 20比例的空間整體模型，進行了26種工況下的模擬地震振動臺試驗，觀察了結構的破壞過程和地震反應，分析了結構及構件的抗震性能；建立了結構的精細空間模型，利用sap2000n大型有限元分析程序對結構進行了彈性時程分析；通過有限元分析與試驗結果的對比，對結構的抗震性能和抗震能力做出綜合評價，認為該結構由於轉換層上部去掉部分樓板，既可滿足建築設計的通風、採光等要求，又可達到協調結構轉換層上、下樓層抗側剛度的效果，是一種較理想的有多道抗震防線的結構型式。Principle of operationthe ring hammer granular crusher makes use of impact hitting hammer rings cross mounted on the rotating rotor to crush materiel. after first crushed by impact force of hammer rings, the materiel is then pressed, sheared and ground between crushing plate and ringhammers to the required granular product which flows off the screen, and those uncrushed such s tramp iron, wood pieces, stone etc will be brought into the tramp iron trap. this crusher features little blast wind, less vibration andlong, service life of vulnerable
工作原理環錘式破碎機利用旋轉的轉子帶動環錘對物料進行沖擊破碎，被沖擊后的物料又在環錘和破碎板、篩板之間受到壓縮、剪切、碾磨作用，使物料達到所需的粒度，被破碎后的物料經篩板的柵孔落下，不能被破碎的鐵塊、木塊、石塊等經撥料板撥進除鐵室.本機具有鼓風量小、振動值小，環錘等易損件壽命長等特點。2 ) the value of base frequency, which is the first order vertical - bending vibration, is bigger in box girder bridges than those of t - beams. it shows that the vibration performance of box girder bridge is better than t - beams. 3 ) when considering the shear deformation of beam, the vibration frequency calculated by is bigger than those not considering the shear deformation
T型梁的基頻為橫向振動，而整體箱梁的基頻為豎向彎曲振動；整體箱梁的一階豎彎振動的頻率比t型梁得到了提高；整體箱梁的動力性能優于t型梁；考慮剪切變形后，梁的自振頻率降低，對于整體箱梁其降低值接近於5 ，在分析時不應忽略。Standard test method for dynamic young ' s modulus, shear modulus, and poisson ' s ratio by impulse excitation of vibration
利用振動的脈沖激勵測定動態楊氏模量剪切模數和泊松比的標準試驗方法Standard test method for dynamic young ' s modulus, shear modulus, and poisson ' s ratio for advanced ceramics by impulse excitation of vibration
用振動脈沖激勵法的高級陶瓷動態楊氏模量剪切模量和泊松比的標準試驗方法In the full of research, the thesis constructed the dynamic equations of the simplified model, then programmed and computed the feedback gains using lqr method. moreover, the thesis plotted pictures of displacement, velocity, acceleration, bend and shearing force of ship ' s head and middle part in the condition of using cable and not using cable
在研究工作中，首先對船舶的簡化模型建立了動力學方程，然後採用線性二次型最優控制方法，編寫程序並計算出船體垂向振動固有頻率和最優反饋矩陣，得到控制前後船艏以及船舯部的位移、速度、加速度、彎矩和剪力歷程圖。Methods of testing plastics - mechanical properties - shear vibration - non - resonance method
塑料試驗方法.第3部分:機械特性.試驗方法323c :剪切振動.非共振法Plastics - determination of dynamic mechanical properties - part 6 : shear vibration - non - resonance method
塑料.動態力學性能的測定.第6部分:剪力振動.非共振法The dynamic parameters of the asphalt concrete can be obtained through dynamic triaxial test, combined with the cunli chen ' s studying results, discovering that the dynamic stress - strain relationship obeys the hyperbolic model well, and t he maximum dynamic modulus edmax and the maximum shear modulus gdmax increasing along with the decreasing of the temperature and the increasing of consolidation ratio kc
通過振動三軸試驗獲得瀝青混凝土材料的動力參數，並結合西安理工大學陳存禮老師的研究成果。發現動應力與動應變的關系較好地符合雙曲線規律，最大動模量e _ （ dmax ）和最大剪切模量g _ （ dmax ）隨著溫度的降低、圍壓和固結比kc的增大而增大。The contrast is higher, the amount of reflect becomes more ; and the sedimet is deeper, the shaking duration becomes longer. so. as the contrast higher and the depth deeper, more waves converge on the basin, more waves interfere with each other, the duration is longer, the amplitude of displacement or accelerate is larger, and the fourier responce spectra contain more components
所以，基巖與沉積層的剪切波速比越大，沉積層的深度越大，波就越容易聚集在盆地中，中國地震局工程力學研究所碩士論文波與波之間的干涉機會就越多，盆地的振動時間就越長，沉積層的位移和加速度反應就越大，波的頻譜成分就越豐富。The major work is as follows : 1 ) based on dry hull modal analysis of flexure - torsion coupling vibration of unsymmetrical ship structures about longitudinal centerline, a transfer matrix method to calculate the dynamic characteristics is adopted after the parameters of structures are specified. taken both shear effect and warping deformations into account, the point and field transfer matrices are derived, and the influence on dynamic characteristics is computed according to different damaged positions and areas
其主要內容如下： 1 ）通過薄壁梁理論求得結構參數后，採用遷移矩陣法，在考慮剪切效應、轉動慣量和翹曲影響下，推導出求解破損船體結構的動態特性公式系統的場遷移矩陣和點遷移矩陣，並著重分析了船體不同破損程度和翹曲變形對船體振動的動態特性的影響。Based on the transient response, the control effectiveness of the visco - elastic dampers is further demonstrated. according to the lqr optimal control theory, clipped - optimal control arithmetic, and the modified bouc - wen model of the mr dampers, the lqr - clipped semi - active control is proposed. the passive, active, and semi - active control of the cables are analyzed by using the difference discretization model of the cable - dampers system
結合lqr最優控制理論、面向速度剪切（ clipped - optimal ）控制演算法及修正的磁流變（ nr ）阻尼器bouc - wen模型，創新地提出了lqr - clipped半主動控制演算法，應用拉索振動的差分離散模型，對斜拉索的面內振動進行了被動、主動及半主動控制研究，分析了mr阻尼器對斜拉索的振動控制效果。This paper introduce simulink to simulation of structural nonlinear seismic responses innovative, working on regulation and dominance of simulation of structural dynamic response of simulink based on muti - storey shear - type model and member model, and set up basic block of structural dynamic response to pave the way for wide analysis of structural dynamic response, especially vibration control
本文開創性地將simulink引入結構非線性地震反應模擬中，以層間剪切模型和平面桿系模型為對象，努力探討simulink用於結構動力模擬的規律並發掘其優勢，編制結構動力模擬的基礎性模塊，為逐步實現更廣泛的結構動力分析尤其是結構的振動控制奠定基礎。Dynamic simple shear test
室內土工試驗振動單剪試驗Hand - held portable power tools - measurement of vibrations at the handle - part 10 : nibblers and shears
便攜式手持動力工具.手柄部位振動輛的測量.第10部分:步沖輪廓機和剪切機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。Analytical study on interaction between dynamically loaded single bearing piles and soil
雙層地基中考慮樁體剪切變形的單樁水平振動解析解Experimental research on shear - vibrating oil - water separating unit
振動剪切式原油脫水裝置及分離性能實驗研究Rheological model for caco3 pp composite melts under oscillatory shear
碳酸鈣填充聚丙烯振動剪切行為的流變模型分享友人