鋼管壓彎模 的英文怎麼說
中文拼音 [gāngguǎnyāwānmó]
鋼管壓彎模
英文
bending die for steel tube- 鋼 : 鋼名詞(鐵和碳的合金) steel
- 管 : Ⅰ名詞1 (管子) pipe; tube 2 (吹奏的樂器) wind musical instrument 3 (形狀似管的電器件) valve;...
- 壓 : 壓構詞成分。
- 彎 : Ⅰ形容詞(彎曲) curved; bent; crooked; flexuous; tortuous Ⅱ動詞1 (使彎曲) curved; bend; flex 2 ...
- 模 : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
- 鋼管 : steel pipe; steel piping; steel tube; steel tubing
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Finally, a correlative equation about bearing capacity of this structural member under bending and torsion is deduced, which may provide design of such structural members a valuable reference. to imitate centrifugal concrete - filled steel tubes used in real structures, three - dimension models are built up by using finite element method. the resistance performance of this structure under complex loads is studied
利用三維有限元模擬分析方法對離心鋼管混凝土在彎扭組合作用、彎壓組合作用、壓扭組合作用下的構件彈性應力分佈進行了研究,分析了離心鋼管混凝土構件在組合作用下的工作機理和承載力的相關關系。These stud " can be concluded as following : on the basis of the bhw - 35 steel p - s - n curve and its da ' dn growth law the method of low - cycle fatigue life evaluation of 401 t / h boiler was proposed. and a mechanics model was suggested for calculating the stress of internal pressure suffering elbow. with the elbow fatigue test, a method of evaluation the fatigue growth life of pressure suffering elbow is recommended ; and the elementary use of damage mechanics on the fatigue life evaluation of the boiler drum
本文創新點為:在bhw - 35鋼的p ? s ? n曲線及da / dn擴展規律的試驗研究基礎上,提出了410t / h鍋爐汽包的低周疲勞壽命分析與預測方法;建立了一種橢圓截面變厚度彎管承受內壓時的應力計算力學模型,通過壓力彎管的疲勞試驗,本文推薦其低周疲勞擴展壽命預測方法;將損傷力學應用到鍋爐汽包疲勞壽命預測做了初步的探索。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。The predicted load versus deformation relationship curves are in good agreement with those of tests. stress distributions of steel and concrete, interactions between steel and concrete and failure modes of inner and outer steel tubes were analyzed by finite element method
在此基礎上,用abaqus建模對軸壓、純彎和壓彎構件受力全過程中內外鋼管與混凝土的應力分佈、三者之間的相互作用以及內外鋼管的破壞形態進行了研究。This paper is the research on the local interactive buckling behavior of cold - formed rectangular tube under uniform compression. the paper includes the following main contents : ( 1 ) an elastic interactive buckling model is presented on the basis of the theory of elastic plates. under the equilibrium condition and deformation compatibility condition, analytical expressions are derived to predict the interactive bucking load pcr
本文主要研究冷彎薄壁矩形鋼管均勻受壓下板組的相關關系,包括以下主要內容: ( 1 )建立了彈性相關屈曲解析法分析模型,考慮平衡條件及變形協調條件,建立板組的屈曲微分方程,得出了板組相關屈曲的臨界荷載p _ ( cr )的計算行列式。Behavior and mechanism of concrete filled double - skin steel tubular ( cfdst ) beam - columns subjected to monotonic or cyclic loading were investigated. two kinds of cfdst section tubes were studied in this paper, that is, the outer steel tubes are circular hollow sections ( chs ) or square hollow sections ( shs ), while all the inner steel tubes are chs. based on systematic parameter analysis, simplified models were derived to predict the load - carrying capacities of the composite members, and simplified moment - curvature and lateral load - lateral deflection hysteretic models, as well as ductility coefficient were suggested
本文從理論和試驗兩個方面較系統地研究了圓、方中空夾層鋼管混凝土構件在單調加載(包括軸壓、純彎、壓彎荷載)下的力學性能和工作機理,以及其在往復荷載作用下的滯回性能,並在參數分析的基礎上,提出了圓、方中空夾層鋼管混凝土軸壓、純彎和壓彎構件承載力的實用計算方法和彎矩-曲率、荷載-位移滯回關系模型及延性系數的確定方法。( 3 ) using the finite element program abaqus / standard 6. 4, theoretical model was built to analyze the load versus deformation relationship curves. furthermore, the stress distributions in the core concrete during the loading, the composite interaction between the steel tube and the concrete were studied. these analysis processes were carried out under two different conditions, namely at the ambient temperature and after exposure to fire
( 3 )利用有限元軟體abaqus / standard6 . 4 ,建立了火災后鋼管混凝土構件的理論分析模型,對火災后軸壓、壓彎構件的荷載-變形關系曲線進行了分析,比較了常溫和火災后構件在受力過程中截面上的應力分佈狀態以及鋼管與核心混凝土之間的相互作用,較深入地認識了火災后鋼管混凝土構件的受力特性。P - restoring force model, simplified calculation methods of ductility coefficient and energy dissipation are given on the basis of integral calculation and parameter analyze for cfrst
在數值計算和參數分析的基礎上,提出矩形鋼管混凝土壓彎構件荷載?位移恢復力模型,延性系數和耗能比的簡化計算方法及相關計算公式。分享友人