支座反力 的英文怎麼說
中文拼音 [zhīzuòfǎnlì]
支座反力
英文
bearing reaction-
Abstract : to account some difficult problems in theoretical calculation of blasting demolition of buildings, the criterion for disintegration of brick - concrete structures, blasting height of frame structure, counteracting force of supports are analyzed. a numerical simulation is demonstrated for structure ' s destabilization and dilapidation in the process of blasting demolition of buildings such as chimney and bridge, which services a guide for theoretical study and practice of blasting demolition of buildings
文摘:針對建築物爆破拆除理論計算難以把握的幾個問題，如磚混結構解體的判據，框架結構建築的爆高、支座反力，以及框架結構失穩和煙囪、橋梁爆破拆除倒塌過程的數值模擬方法，進行了分析和說明，為建築物爆破拆除設計理論研究與施工提供了參考依據。The results showed that : ( 1 ) the models used by author and the analysis are useful and can be practiced. ( 2 ) after using isolation technology, the structure ' s period, earthquake response, base shear force and acceleration are all decreased markedly and the horizontal displacement focuses on isolation layer. ( 3 ) under frequent earthquake action, the shear force ratio between layers is close to 0. 35 ; in according with the provision in aseismic design code that the horizontal seismic reduction coefficient can choose 0. 53 and the upper building can be designed by decreasing one degree
計算模型分別採用三維空間模型及規范中建議的彈簧、質量模型，隔震層採用疊層橡膠隔震支座，運用大型結構有限元計算程序sap2000以及自主開發的nba結構程序計算隔震結構在多維地震動輸入下的動力非線性時程反應，同時研究了隔震結構在溫度變化的作用下，結構各桿件的內力變化，通過對變電建築物在傳統抗震作用下及隔震作用下的分析比較，得出一些有益的結論。In order to develop and consummate the analysis theory and calculation method of base - isolated structures, based on the research on restoring force model of isolation systems and the analysis on the nonlinear seismic response of base - isolated structures, the analysis on multi - dimensional and lateral - torsional coupled seismic response of base - isolated structures is developed in this paper. according to the mechanical performance of isolation systems, detailed analysis and improvement of the present research, an unilateral and a bilateral coupled visco - elastic hysteretic model for rubber bearings, an unilateral and a bilateral coupled visco - elasto - plastic differential hysteretic model for lead rubber bearings, an unilateral and a bilateral coupled modified visco - plastic differential hysteretic model for sliding friction bearings are proposed
為進一步發展和完善基礎隔震結構分析理論和計算方法，本文以隔震系統恢復力模型研究及基礎隔震結構非線性地震反應分析為基礎，對基礎隔震結構的多維地震反應及平?扭耦聯地震反應開展了以下幾方面的研究工作：根據隔震系統力學性能的特點，在現有研究成果的基礎上，對隔震系統恢復力計算模型進行了改進和創新，提出了普通疊層橡膠支座單向及雙向耦合粘彈性恢復力計算模型，鉛芯疊層橡膠支座單向及雙向耦合粘彈塑性微分型恢復力計算模型，摩擦滑動支座單向及雙向耦合修正粘塑性微分型恢復力計算模型。For example, frp reinforced concrete is used to support or surround magnetic resonance imaging ( mri ) medical equipment, and frp is also used for the constructions of some seawalls, industrial roof decks, base pads for electrical and reactor equipment, anchor in rock and ground engineering and concrete floor slabs in aggressive chemical environments in order to promote the wide usage of frp and frp reinforced concrete structures, financed cooperatively by nationa l natural science foundation ( item : the research on mechanical performance of frp reinforced concrete beam reinforced ; number : 59978046 ) and henan illustrious youth science foundation, connected with the analysis methods of modern steel reinforced concrete structure, the thesis further studies the flexural performance of frp reinforced concrete beam through the systematic study on experimental data got from this kind of beams, systematically establishes the theoretical calculating system of the flexural performance of frp reinforced concrete beam in cooperation with the up - to - date analytical methods for reinforced concrete, which suits the properties of frp
例如，纖維增強塑料筋應用於支撐和圍繞磁共振成像醫療設備的混凝土中及海堤、工業頂棚、電設備、反應設備的基座、巖土工程中的錨桿、侵蝕性環境的混凝土結構等海洋工程、橋梁工程、路面工程、巖土工程、醫療及化工工程的建設。為了推動纖維增強塑料筋及其混凝土結構在工程中的廣泛應用，本文在國家自然科學基金（項目名稱：纖維增強塑料筋混凝土梁力學性能的研究；編號： 59978046 ）和河南省傑出青年基金的資助下，通過對纖維增強塑料筋混凝土梁正截面受彎性能試驗數據的系統分析，結合現代鋼筋混凝土結構學的分析方法，對纖維增強塑料筋混凝土梁正截面受彎性能進行了深入的研究，較系統的建立了適合於纖維增強塑料筋特點的纖維增強塑料筋混凝土梁正截面受彎性能的理論計算體系。This paper introduces the development and present situation of vibration absorb technology in the world ; generally analysis the rubber - bearing ( rb ) and lrb " s operative mechanism, function and the calculation of parameter ; advance the concept of standardization to lrb ; on the basis of generally analyzing the connected factor such as the site category, the diameter of lead bar, the height of bearing, the designing carrying capacity, the span of bridge, the inherent period and the displacement of rb, determine the parameter, the absorbing vibration target, the method and the process of standardization to lrb ; then according to the two - step rule of resisting and defending earthquake, and combining with the response spectrum theory in the seismic vibration of bridge, make a lot of calculation and analysis of vibration absorb design to the real bridge collected and combined by finite element program ; at last, gives the result of standardization through diagram and explains to its usage
本論文介紹了國內外減震技術的發展和現狀；綜合分析了普通板式橡膠支座和鉛銷橡膠支座的工作機理、性能及參數的計算；提出了鉛銷橡膠支座標準化的概念；在綜合分析場地土、鉛銷直徑、支座高度、設計承載力、橋梁跨徑、固有周期以及支座變位等影響因素的基礎上，確定了鉛銷橡膠支座標準化的參數、減震目標、方法和過程；並根據抗震設防兩階段原則，結合橋梁地震振動理論的反應譜法，運用有限元程序對收集和組合的實橋進行了大量減震設計的計算和分析；最後以圖表的形式給出了鉛銷橡膠支座標準化的結果，並說明了其使用方法。Throught the comparation between supsendome and single layer reticulate, the advantages of suspend - dome was expatiated. through the analysis of lamella ’ s, rib - loop, rib - loop tilted bar type shell, the influence of lattice type to member ’ s force, joint ’ s displacement, reaction, intergral stability was studied, the suitable lattice type for suspendome was put forward
通過對聯方型、肋環型、肋環斜桿型、肋環斜桿型、肋環斜桿型弦支穹頂結構進行的分析優化比較，研究了網格形式對構件內力、節點位移、支座反力、整體穩定的影響，提出了適合弦支穹頂結構的合理網格形式。The dissertation discusses some theories of computation including the unit stiff matrix of the spatial member in the local coordinates ， the coordinate transformation, the integration of the integer stiff matrix ， the equivalent joint load ， the introduction of the boundary condition ， the computation of the unit internal force and support reaction ， the stableness of the spatial stiff frame. the dissertation also discusses the methods of dealing with several unusual problems such as combined structure, temperature stress ， elastic bearing
本文論述了空間桿件局部坐標單元剛度矩陣、坐標轉換、整體剛度矩陣的集成、等效結點荷載、邊界條件的引入、單元內力與支座反力計算、空間剛架穩定的計算理論，以及組合結構、溫度內力、彈性支承等幾個特殊問題的處理方法。The active underpinning in situ of department store mansion is succeeded as the research prediction. how to improve the stress release method and how to determine the bearing resistance are discussed at the end
最後作者提出了應力釋放法在實際施工過程中的一些不足之處，以及如何準確確定大樑支座反力。We consider each sleeper as an abutment of opposite forces, rails on horizontal sleepers as a mock dispersed elastic ground beam model and trains as moving load on beams. geometric roughness and damping are not taken into consideration
將每根枕木考慮成一個支座反力，將橫向枕木支承的鋼軌模擬成離散的彈性地基梁模型，將列車考慮成一個作用在樑上的移動荷載。Dynamic characteristic of orthogonal vierendeel dome was discussed, and the influence on vibration characteristic acted by difference including rise - to - span ratio, shell thickness, section area and constraint condition was studied. vibration shapes - separation - spectra - method and time - history method were adopted to analyze the dynamic response of orthogonal vierendeel dome under common earthquake. by comparing dynamic response in different direction and dimension seismic excitation, the value and distribution of dynamic internal force were obtained
本文研究了正交空腹網殼結構的動力特性，分析了矢跨比、網殼厚度、腹桿截面和支座約束條件對結構自振特性的影響；採用反應譜法和時間歷程法對正交空腹網殼的地震響應作了詳細的分析，分別研究了結構在不同方向地震激勵下和在不同維數地震激勵下動力響應的數值大小和分佈規律，並比較了兩種方法的結果差異，對抗震設計具有參考價值。But that of supper quiet fixed structure can not be computed only with quiet equilibrium condition, it must be considered the flexible deformed coordinative condition of structure in same time
超靜定結構的支座反力和各截面的內力不能完全出靜力平衡條件叩。地確定，必須考慮結構的彈性變形協調條件確定之。It is discovered, from the analysis of the seismic reaction of the piled jetties with rubber shock absorption seats, that the use of shock absorption seats will help improve the seismic resistance of piled jetties and the use of shock absorption seats will may reduce the maximum bending moment of the fixed end on a pile head to one third of that before the method for reduction of seismic hazards is adopted
通過對現有高樁碼頭結構導入減震橡膠支座后的地震反應分析發現，減震支座的導入將有利於提高高樁碼頭的抗震能力，使樁上部固定端處的最大彎矩減小到未減震前的1 / 3 。In the paper, we discuss a part of the healthy monitor system, including instantaneous stress filed identification for bracket, stress anlysis of welding line and key point ; alarm of key point stress condition
本文討論了網架健康監測軟體系統研究工作的一部分，其中包括：牛腿支座反力瞬時識別；牛腿焊縫及關鍵點應力分析；牛腿焊縫及關鍵點應力狀態報警。5, such results as the list of the reaction force, deformation figure of the truss the contour of the nodes displacement, the contour of the element stress, and the contour of the node stress, are attained under the static force, the analysis of the finite element show that the maximum stress reaches the value of 285mpa, and then the frame body has the larger stress concentration in this position, if the welding around is not adopted
通過ansys5 . 5軟體有限元分析，得出了各支座反力和節點應力列表，以及桁架在靜力作用下的變形圖、節點位移等值線圖、單元應力等值線圖、節點應力等值線圖。有限元分析計算表明，在不採用周邊焊的情況下最大應力可達285mpa ，具有較大的應力集中。分享友人