beam stiffness 中文意思是什麼

beam stiffness 解釋
射束勁度
  • beam : n 1 梁，棟梁，桁條；（船的）橫梁。2 船幅；（動物、人的）體幅。3 （秤）桿，杠桿，（織機的）卷軸，...
  • stiffness : 彈性剛度
  1. Element stiffness matrix and nodal load matrix of circular beam

    曲梁的單元剛度矩陣和節點荷載列陣
  2. The present findings of semi - rigid connections, the method for design of beam - to - column connections in the codes from china and other countries, and the character about semi - rigid connections, were briefly introduced in this paper. the simulated method of the m - r relation curve of semi - rigid connections, the computing equations about the initial stiffness and moment capacities of two kinds of top - seat angle connections, with and without double web - angle, were discussed

    本文簡要地介紹了半剛性節點的研究現狀、各國規范樑柱連接的設計計算內容和方法、樑柱連接的類型和半剛性連接的特性，探討了頂、底角鋼、頂、底角鋼帶雙腹板角鋼兩種半剛性連接的m - _ r特徵曲線及其擬合方法，頂底角鋼連接、帶雙腹板頂底角鋼連接初始剛度以及彎矩承載力的計算公式。
  3. Based upon virtual displacement method and the updated - lagrangian approach, stiffness matrices for two - dimensional elastic - plastic beam model in large displacement were proposed, in the derivation of which transverse stress was included because it was believed that part of the 2nd order effects of various stresses, which are in equilibrium with each other and with the external loads, will counteract each other and neglecting either part would possibly lead to incorrect results

    利用虛位移原理和更新的拉格朗日方法，導出了大位移彈塑性梁單元剛度矩陣的顯式表達式，在剛度矩陣推導中引入了截面內非線性剪應力和橫向應力的影響，剛度矩陣通過了剛體檢驗。之所以要引入橫向應力的影響，是因為本文認為，保持平衡所需的所有應力，它們各自的二階效應會相互抵消，因此忽略其中的任何一項都可能導致不正確的結果。
  4. Elastic theory and plastic theory are adopted in the analysis of the two section composite beam. elastic theory suggests, on the condition of the same steel beam section size, the composite beam for the floorslab is suited lower flanges convertion section stiffness cuts down by 75. 1 %, elastic limit bending resistant capability cuts down by 47. 9 %, than the composite beam for the floorslab is suited on the top flange. it s conversion section stiffness is lifted 8. 0 %, elastic limit bending resistant capability is lifted 0. 20 %, than the steel beam

    彈性理論分析的結果表明，在鋼梁截面大小相同的條件下，樓板位於鋼梁下翼緣的組合梁和樓板位於鋼樑上翼緣的組合梁相比，其換算截面剛度降低75 . 1 ，梁的彈性極限抗彎承載力降低47 . 9 ，樓板位於鋼梁下翼緣的組合梁和純鋼梁相比，其換算截面剛度提高8 . 0 ，梁的彈性極限抗彎承載力提高0 . 2 。
  5. In this thesis, four types of steel beam - rectangular cfst column connections, including normal welded flange plate ( wfp ) connection, bolted flange plate ( bfp ) connection, stiffened end plate ( sep ) connection and double split - tee plate ( dst ) connection, were designed based on the configuration of steel frame connection. total 8 models, 2 models of each kind of connections were tested under low - reversed cyclic loading at the end of cfst columns. the relationships between force and displacement at the end of columns, the relationships between the moment and rotation of the joints, degradations of strength and stiffness, ductility, failure mechanism and failure characteristics of these four connections under different axial - compression ratios were presented

    本文借鑒鋼框架節點構造，設計了四種類型矩形鋼管混凝土柱與鋼梁連接節點，包括常規栓焊（ wfp ）節點、翼緣全螺栓連接（ bfp ）節點、雙t板連接（ dst ）節點以及加勁端板連接（ sep ）節點，進行了四類節點8個模型試件在柱端低周反復荷載作用下的抗震性能試驗研究，比較了不同軸壓比下節點的滯回性能、強度與剛度退化、延性、破壞機理與破壞特徵，主要結論有： 1 、節點的位移滯回曲線與轉角滯回曲線為塊型分佈，沒有或略有捏攏現象，耗能能力強； 2 、軸壓比對節點滯回曲線有顯著影響，全部節點都有顯著的剛度退化； 3 、位移與轉角骨架曲線在峰值荷載後有較長的水平或下降段，具有良好的延性性能； 4 、從整體抗震性能上看，翼緣全螺栓連接節點、雙t板連接與加勁端板連接節點都優于常規栓焊節點，可在實際工程中加以推廣。
  6. But this method could n ' t reflect the influence of the variance of pile capacity on capping beam internal force and the partaking of soil to the load. combined with the item " the optimal design theory and research of pile capping beam " financed by natural science fund of hunan province, a new method which can consider the pile - soil interaction and tide over the disfigurement of the winkler soil model is used to adjust the foundation base reactions in this paper. by this method, the proper solution about the internal force of capping beam can be achieved and the relative stiffness and the relative position of soil spring are thought out well

    本文結合湖南省自然科學基金項目「樁基承臺梁優化設計理論與方法研究」 ，考慮梁下土體和基樁對承臺梁的共同作用，提出了能對梁下地基反力進行自動調整的一種新型方法，其克服了文克爾地基模型所存在的缺陷，該法在調整過程中，充分考慮了梁下各土體彈簧之間的相對剛度，相對位置，更接近承臺梁的實際工作情況，有利於獲得承臺梁內力的正確解答。
  7. According to these, applying the virtual work theory, this paper analyzed the influence of active beam link on the terminal carrying capacity, stiffness and ductibility of three types of ebsf

    接著在此基礎上應用虛功原理，分別研究了耗能梁段長度對d型、 k型和v型三種偏心支撐框架的極限承載力、剛度以及延性的影響。
  8. Similarly, according to the deformation mechanism of ebsf and the virtual work theory, the influence of three different active beam links on the terminal carrying capacity, stiffness and ductibility of ebsf is deducted

    同樣，根據偏心支撐框架的幾何變形機制，應用虛功原理，重點推導並分析比較了分別採用d型、 k型或者v型支撐時對結構的極限承載力、彈性剛度以及延性的不同影響。
  9. The aseismatic behaviors of the two frames are analyzed and compared, with emphases on failure mechanism, hysteretic property, displacement ductility, energy - dissipation capacity as well as stiffness degeneration, etc, to find the influence of steel - fiber concrete to the aseismatic behaviors of the prestressed concrete flat - beam frame structures

    計算機模擬模擬結果和試驗結果的比較發現，在框架的開裂破壞形態、極限承載力等方面基本吻合。該研究成果可為扁梁框架結構體系的設計和有關規范的增補提供依據，具有很好的應用前景。
  10. The low - cyclic reversed loading tests of two unbonded partially prestressed concrete frames with different ppr have been carried out. the aseismic behaviors are analyzed and compared, with emphases on failure mechanism, hysteretic property, displacement ductility, energy - dissipation capacity as well as stiffness degeneration, etc. the results show, when designed rationally, the unbonded partially prestressed concrete frames can form beam hinge energy - dissipation machine and total destroy mechanism

    通過兩榀不同預應力度的無粘結部分預應力混凝土扁梁框架結構的低周反復荷載試驗，分析研究了無粘結部分預應力混凝土扁梁框架結構的破壞形態、滯回特性、位移延性、耗能能力、承載力及剛度退化等抗震性能。
  11. Stiffness simulation of elastic - plastic of beam - column with varying section

    彈塑性樑柱變截面剛度的模擬
  12. Stiffness analysis and mode calculation of composite beam structures

    復合梁結構的剛度分析及模態計算
  13. Thus it is necessary to study moment resistance, rotation stiffness and rotation capacity of the joints. in this paper, six specimens on end - plate composite beam - to - column joints and two specimens on end - plate composite beam - to - column joints were designed to subject to static load. the factors of m - characteristics about semi - rigid composite joints, including bolts, profiled steel sheeting, beam, column, stiffen rib and reinforcement, are studied

    本文設計了6個端板型鋼-混凝土組合樑柱節點與2個端板型純鋼樑柱節點，通過對這些試件的靜力荷載試驗，重點研究了端板型鋼-混凝土組合節點的彎矩-轉角性能的影響因素，包括高強螺栓、壓型鋼板、型鋼梁、型鋼柱、加勁肋，以及混凝土板內縱向鋼筋配筋率等。
  14. The factors affecting the spatial effects of the deep foundation pit are researched in detail with the mutual deformation analysis method. these factors include the plane dimensions of pit, ring beam, middle beams, corner braces, embedded depth and brace stiffness. the results are compared with those of two - dimensional analysis, and their differences and adaptability are clarified

    此外，本文還利用共同變形分析方法，對影響深基坑空間效應的諸多因素（包括基坑的平面尺寸效應、圈樑和腰梁效應、角撐效應、樁身插入深度和支撐剛度等）進行了深入探討，並與目前常用的平面分析方法做了比較，指出了兩者的區別及其適用性。
  15. The method for design thin - wall core box cast - in - site concrete hollow floor using common structural computing software is put forward and the scale for the magnifying stiffness coefficient of the spandrel beam and middle beam is discussed

    5 、提出了採用常用的結構計算軟體計算薄壁箱體現澆混凝土空心樓蓋設計的方法，提出了邊梁和中梁剛度放大系數的建議。
  16. This paper applies nonlinear finite element program bsnfem to analyze the behaviors of eccentrically braced steel frames under cyclic load. the study that comprehensive and systematic analyze the factor of links length, thickness of links flange, distance of links rib, thickness of links rib and angle of brace to be changed affect energy - dissipation capacity of d shape and k shape eccentrically braced steel frames have been some studied before. this paper fills the black in the filed factor of high - span ratio, brace stiffness and brace - to - beam connections to be changed affect energy - dissipation capacity of d shape and k shape eccentrically braced steel trames and any factor to be changed affect energy - dissipation capacity of y shape eccentrically braced steel frames

    對耗能梁段的長度、耗能梁段腹板的厚度、耗能梁段翼緣的厚度、耗能梁段加勁肋的間距、耗能梁段加勁肋的厚度、支撐的夾角等因素的改變對d形、 k形偏心支撐鋼框架耗能的影響，前人已有一些研究，本文對這些因素的影響進行了全面系統的分析，完善了理論分析的不足；而結構高跨比、支撐剛度、支撐與梁的連接形式等因素對d形、 k形偏心支撐鋼框架破壞機理的研究以及各種因素對y形偏心支撐鋼框架破壞機理的影響，則很少有人涉及，本文對此也進行了深入系統的分析，填補了這一研究空白。
  17. ( 2 ) based on the existing theory of lateral load distribution rule, and combined the structure characteristic of pre - stressed lager cantilever composite beam with corrugated steel webs, this thesis proposed the modified rigid beam method. taking this method, it is facilitated to compute the lateral load distribution factor of bearing composite cantilever beam with variable - stiffness under the load in arbitrarily position

    （ 2 ）以現有的橫向分佈理論為基礎，結合大懸臂波形鋼腹板組合挑梁的結構特點，提出了修正剛接梁法的計算方法，能夠方便地計算變剛度懸臂組合梁任意點位的橫向分佈系數。
  18. In this paper, to counter a flexible beam undergoing large overall motion impacting a fixed slope surface under the effects of grativity, the normal contact model is established based on the hertz theory and non - linear damping term, the tangential contact model is developed by adopting linear tangential contact stiffness to consider the effects of friction force during impact process, and the consistent linear dynamic model including impact is derived by using mode assumption method and lagrangin equation

    針對在重力場下作大范圍回轉運動的柔性梁與一固定斜面發生斜碰撞的情況，根據hertz接觸理論和非線性阻尼項建立法向碰撞接觸模型。引入線性切線接觸剛度建立切向碰撞接觸模型，以考慮接觸過程中由於切向相對速度的換向作用引起的摩擦力的變化。利用假設模態法和lagrangian方程建立系統含碰撞過程的一致線性化的動力學模型。
  19. It ' s an ideal structural system and has multi - earthquake resistance ability because of a great deal of slabs removed in floors above the transfer - story amended the lateral stiffness of the stories near the transfer - story. based on the available references, the five - spring line element, the three - spring line element and the multiple vertical - line - element model are introduced to model special column, beam and shear - wall, the relevant stiffness matrixes are deduced and the restoring - force models are gaven to deep into the elasto - plastic seismic characteristics of the structure. acording to the results of shaking table test and elastic finite element analysis, a new making model melhod is presented in which uses the linear and the nonlinear element and the assumption that the floor is infinitely rigid in different areas

    為進一步研究這種復雜高層建築結構的彈塑性性能，本文在國內外現有研究的基礎上，提出利用五彈簧桿元、三彈簧桿元及多豎線單元模型分別模擬空間柱、梁和剪力墻，推導了相應的剛度矩陣並給出了恢復力模型；結合試驗研究和精細有限元分析的結論，提出線性和非線性單元相結合，剛性樓板假定和彈性樓板相結合的建模方法，較好地解決了空間結構彈塑性分析中佔用計算機資源較多的問題；接力大型有限元分析程序? ? ansys ，在上述建模思路的指導下建立了結構的空間非線性分析模型，進行了空間三維彈塑性時程分析。
  20. Standard test method for determining the flexural creep stiffness of asphalt binder using the bending beam rheometer

    使用彎曲束狀流變儀的瀝青粘結劑的柔性蠕變硬度測定的標準試驗方法
分享友人
分享到 Line

分享到臉書