axial stiffness 中文意思是什麼

axial stiffness 解釋
軸向剛度
  • axial : adj. 1. 軸的。2. 成軸的。3. 軸周圍的,軸向的。adv. -ly 在軸的方向,與軸平行地。
  • stiffness : 彈性剛度
  1. 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。
  2. The study results reveal some laws : ( 1 ) two failure modes exist in different obliquity slope and influence the internal force of soil nailing ; ( 2 ) the connection between face shield and soil nailing determines the distribution of the axial force along length ; ( 3 ) the influence of face shield involves its connection with soil nailing and its stiffness on soil nailing wall ; ( 4 ) the transversal effect of soil nailing depended on the joint of nail head is little ; ( 5 ) the maximum axial forces of other soil nailings except the first soil nailing increase gradually with excavation

    研究表明: ( 1 )素土坡隨著坡角的變化,存在兩種破壞方式,破壞方式不同,土釘受力狀態不同; ( 2 )土釘和面層的連接方式決定著土釘長度方向上的軸力分佈形態; ( 3 )面層主要通過面層與土釘的連接和面層的本身剛度兩個方面對土釘內力和墻體變形產生影響; ( 4 )土釘橫向抗剪抗彎作用的發揮程度和土釘釘頭的連接方式有關,但作用不大,實際設計時可以忽略其影響; ( 5 )隨著坡體的開挖,第一排土釘的最大軸力變化不大,其它土釘的軸力都穩步增加。
  3. The parameters in the study included the fire duration time, the axial load level, the section type and the strengthen method. the ultimate lateral strength, flexural stiffness, dissipated energy and ductility of the columns were compared and analyzed. ( 2 ) based on the stress - strain relations for steel and concrete after high temperature and the temperature field in the structural member, fiber - based model was developed to calculate the hysteretic moment ( m ) versus curvature ( ) relations and the lateral load ( p ) versus lateral displacement ( ? )

    ( 2 )在確定高溫后鋼材和混凝土在往復荷載作用下的應力-應變關系以及構件截面溫度場的基礎上,考慮力-溫度-時間作用路徑,建立了火災后鋼管混凝土壓彎構件滯回性能的理論分析模型,對火災后鋼管混凝土構件的彎矩-曲率( m - ) 、荷載-變形( p - )滯回關系曲線進行了分析,計算結果與實驗結果總體上吻合較好。
  4. Basically, neglecting axial deformations corresponds to the omission of rows 1 and 4 and columns 1 and 4 of the stiffness matrix equation(15. 1).

    忽略不計軸向變形基本上可以說相當于刪去方程(15-1)中剛度矩陣的第1行和第4行及第1列和第4列。
  5. Constracting the axial stiffness of arbitrary supported rod from fundamental mode shape

    由基模態構造任意支撐桿的多項式型軸向剛度
  6. The major factors of the experiment are listed as following : the influence of different reinforcement ratio of the walls, the influence axial compression ratio, the influence of vertical reinforcing bars at the boundary, the influence of mortar layers etc. furthermore, the load carrying capacity and the elastic stiffness are calculated and experimental results have proved that they are good

    試驗中考慮的主要因素有:墻體不同配筋的影響、軸壓比的影響、兩端豎向加強鋼筋的影響、砂漿層的影響等。並對試件的承載力及彈性剛度進行了實測結果與計算的比較,符合較好。
  7. Using the general finite element programming package of ansys10. 0, the study of gabled frames beam - column end - plate connections is made, considering synthetically nonlinear ( material, geometry and contact ), bolt pretension forces and ratio of axial compression stress to strength. elastic - plastic finite element analyses are carried out among 28 species of 3 series under monotonic loads, in order to discuss the influence of parameters including stiffness of end - plate, bolt diameter, friction coefficients and so on

    本文使用通用有限元軟體ansys10 . 0綜合考慮了三重非線性(材料非線性、幾何非線性以及狀態非線性)的影響,同時考慮了螺栓預拉力的影響,對考慮端板厚度、端板加勁肋的設置、螺栓直徑、摩擦系數等參數不同的3個系列(端板系列,螺栓直徑系列,摩擦系數系列) 28個試件進行了有限元數值模擬,對連接節點的性能進行了分析研究。
  8. Based on the theoretical contact mechanics, the numerical simulations demonstrated that the axial stiffness during compression was sensitive to both the amount of plastic deformation and the interparticle friction occurring at the contacts within the assembly of particles

    研究發現:彈塑性球顆粒系統在加載時其軸向剛度對顆粒間產生的塑性變形量及顆粒間的摩擦均很敏感。
  9. The rigid ring strengthened stories may be set along the frame. so the relations between the tube and frame will be stronger. the overturn moment of the inner tube will be reduced by the axial stiff of circumjacent frame column, and the horizontal stiffness of the whole building will be enhanced

    在核心筒與外圍框架之間設置剛度較大的水平伸臂構件或必要時沿外圍框架設置剛度較大的周邊環帶加強層,可以加強內芯與周邊框架柱的聯系,充分利用周邊框架柱的軸向剛度而形成的反彎矩來減少內筒體的傾覆力矩,從而達到減少結構在水平和在以增強整個結構的抗側力剛度。
  10. Basically, neglecting axial deformations corresponds to the omission of rows 1 and 4 and columns 1 and 4 of the stiffness matrix equation ( 15. 1 )

    忽略不計軸向變形基本上可以說相當于刪去方程( 15 - 1 )中剛度矩陣的第1行和第4行及第1列和第4列。
  11. C ompared the results of structural period, displacement and internal forces of mode 1 with mode 3, we can know that the hypo - frame can increase the lateral stiffness of the mega steel - frame structures, decrease lateral - deformation of the structures, especially decrease the maximum inter - storey displacement obviously, and get the internal forces and deformation of the whole structure more uniform. from the analysis results, it can be found that the maximum axial force gets less with hypo - frame than without it, and the maximum shear force and bending moment get more with hypo - frame than without it. thus it can be seen that the mainframe can be an independent structure system by itself, but the cooperation of main and hypo frame should be considered for conducting the entire analysis and design, otherwise the mega structure can be unsafe, in addition, from the comparing analysis, it can be found that the shear force and bending moment of inside - row columns are increased much more than those of outside - row ones in a mega column

    通過3個算例方案1和方案3結構周期、位移和內力反應的比較分析可知,次框架可以進一步增加巨型鋼框架結構的抗側剛度,減少結構側向變形,特別是明顯減少了結構最大層間位移,使整個結構的內力與變形分佈更為均勻;次框架的加入使主框架柱最大軸力較無次框架情況減少,而主框架柱的最大剪力和彎矩較無次框架情況都有所增加,由此可知,雖然主框架本身可以成為獨立的結構體系,但在分析設計時,還應該考慮主、次框架協同工作,進行整體分析、整體設計,否則結構會偏於不安全。
  12. It is found by comparison that as the structural forms of special - shaped columns and short - shear walls are used, the structures should be arranged reasonably so as to meet the needs of lateral stiffness, and axial compression ratio should be controlled strictly so as to meet the needs of constructional reinforcement to prevent the probably curling and shear failure for the purpose of meeting the needs of the construction of small high - buildings

    對比討論發現:採用鋼筋混凝土異形柱和短肢剪力墻的結構形式時,應當進行合理的結構布置以滿足結構整體抗側移剛度的要求,同時嚴格控制豎向構件軸壓比並滿足配筋構造以防止構件可能出現的翹曲和剪切破壞,這樣才能同時滿足小高層住宅對建築和結構的需要。
  13. The paper use drucker - prager model as the constitutive model of soil, use pole module as the model of soil nails, use girder module as the model of soil - cement mixing piles, use goodman module as the model of interface, an iterative - increment method is used to solve nonlinear equation. 2. the paper has a further research on the influence of compound soil nailing behavior in the perspective and the axial strength of the soil nails of the effect of the stiffness of soil, the stiffness of soil - cement mixing piles, the width of soil - cement mixing piles, the length of nails, the angle of nails

    本文根據目前復合型土釘墻支護的研究現狀和工程實際需要,採用有限單元法對攪拌樁-土釘復合型土釘墻的力學特性進行數值分析,本文的主要工作內容有以下幾個部分: 1 .利用同濟曙光有限元軟體( geofba )對攪拌樁-土釘復合型土釘墻支護進行了非線性有限元分析,在有限元計算中,本文採用了drucker - prager模型作為土體的本構模型,土釘採用了桿單元模型,攪拌樁和噴射混凝土面層的組合體採用了梁單元模型,接觸面單元採用了goodman單元模型,非線性求解方法為增量迭代法。
  14. By tests of 9 specimens subjected to biaxial eccentric compression, shear and reversed torque, the failure modes and the varying laws of cracking torque, original stiffness, ultimate torsion strength and ductility are discussed, with the change of axial stress level and relative eccentricity. then, the cracking bearing capacity, the ultimate capacity and the deformability of the specimens are obtained

    通過9根承受雙向偏壓、彎、剪構件在反復扭矩作用下的試驗研究,以軸壓比和相對偏心距為主要研究參數,揭示鋼筋混凝土構件中雙向偏壓剪反復扭矩作用下的破壞特徵、開裂扭矩、剛度、強度、延性等特性和耗能性能,從而確定其開裂承載能力和極限承載能力及變形性能。
  15. Which has high strength, good ductility, impact bearing, erode - bearing, besides, its linear expanding coefficient is almost equivalent to concrete, and it has excellent performance - price ratio etc. this paper is related to 8 rc - poles wrapped by gfrp ( sgfw430 ) and rc - poles are compressed axially, in order to analyze the influence of different stick layer over the pole ' s work performance and the influence between three type axial compress ratio ( 0, 0. 8, 1. 1 ) with one layer gfrp with the contrast poles about limit load - bearing capability, failure state, ductility, section stiffness, restrict losing owing to stress - difference

    其具有強度高,延性好;抗沖擊、耐腐蝕;線膨脹系數與混凝土接近;性能價格比高等多個特點。本文通過8根外包單向gfrp ( sgfw430 )的rc組合柱,以及混凝土對比柱在軸心荷載作用下的試驗為基礎,具體詳細地分析柱子在粘貼不同層數的高性能玻璃纖維和在不同的軸壓比( 0 、 0 . 8 、 1 . 1 )下粘貼一層的高性能玻璃纖維后混凝土組合柱相對對比柱在極限承載能力、破壞形態、延性、截面剛度、應力差帶來的約束損失等方面的變化情況。
  16. The properties of different permanent magnetic bearings with both axial and radial magnetization are studied by mean of equivalent current and finite element method respectively. the levitation forces and stiffness have been calculated and agreed well with measured data

    研究了採用軸向和徑向不同磁化方向的永磁環所構成的永磁磁懸浮軸承懸浮特性,分別運用等效電流法以及有限元法分析計算了磁懸浮力以及剛度特性。
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