梁腹截面 的英文怎麼說

中文拼音 [liángjiémiàn]
梁腹截面 英文
stem section
  • : 名詞1 (屋架中架在柱子上的長木) beam 2 (通常也指檁) purlin 3 (橋) bridge4 (物體中間條狀隆起...
  • : 名詞1 (軀乾的一部分) abdomen; belly; stomach 2 (鼎、瓶子等器物的中空而凸出處) empty and protr...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  1. It is the key of ebfs, therefore, furthermore calculation about link are carried out in this thesis, introduced achieved research, summarized the affect of link on whole capability in the first, the second, numerical calculation are proceeded on link with ansys : with the purpose of discussing yielding mode critical length of link, established five different specimens ; with the purpose of discussing the influence of h / tw of web, b / tf of flange and h / b, established eighteen different specimens ; with the purpose of discussing the affect of stiffener, established four different specimens, and elaborated the affect of stiffener on link based on achieved test researches

    因此,本文對耗能段進行進一步計算分析,概述耗能段對整體性能的影響,並利用有限元程序ansys對耗能段進行數值計算:針對耗能段的屈服類型建立5種不同長度的模型,計算討論耗能段屈服類型的長度劃分;針對耗能板高厚比、翼緣寬厚比以及形狀等因素共建立了18種模型進行計算分析;針對加勁肋對耗能段的作用建立了4種模型,並結合已有的試驗闡述了加勁肋對耗能段的影響。
  2. Based on the research to the stability variable cross - section beam, the bending defection differential equation of the variable cross - section beam in critical state of bucking is established. according to the edge condition of the structure, the differential equation is solved and bucking equation of variable cross - section beam is created. we can get the algorithm which can be used to calculate the equivalent inertia moment of the variable cross - section lattice structure when it is regarded as constant cross - section of solid web beam

    對變格構式構件的穩定性計算進行了初步的研究,通過建立變構件臨界狀態下彎曲變形的微分方程,根據變形邊界條件,得到了兩端鉸支的變失穩特徵方程,提出了幾種特殊形式的變格構式構件等效為等式構件時等效慣性矩的計算方法。
  3. Modeling the general solid web continuous box girder and opening - in - web ( open web ) continuous box girder by ansys finite element modeling tool, node stress of governing section and corresponding shear lag values are analyzed. the solution is validated by comparing with variational results and modeling test values. based on the model, the section shear lag induced by dead load, prestress tendons and car loads under the most unfavorable condition and lateral symmetry are also approached. the influence of shear lag effect in double - level continuous box girder is considered with opening - in - web and the web location. the analysis indicates that double - level - load arouses less shear lag effect than one - level - load. when self - weight and prestressed tendons act on together, the shear lag effect on box girder take on a evidently change

    基於所建立的有限元模型,本文分別對實板開孔兩種箱在恆載、車載、預應力荷載作用時,各主要的剪力滯效應進行分析,通過施加縱向最不利的和橫向對稱的車輛荷載,研究實連續箱和空連續箱在承受雙層荷載和單層荷載時引起的剪力滯效應,並考慮板開孔及開孔位置對于連續箱剪力滯效應的影響。分析表明,雙層車載對于箱引起的剪力滯系數比單層車載的影響要小,對于箱中存在引起的剪力滯后現象有一定的改善作用。
  4. Based on the research of influenced parameters on constant and varying depth solid web box girder before, the shear lag aroused by the parameters including width - span ratio, outstanding flange on base slab and the position of the tendons are further studied. the investigation show that shear lag values diminish along with the decease of width - span ratio and the departure from the symmetrical axis of anchor position, but outstanding flange is contrary to the former

    在前人對等、變剪力滯效應影響參數研究的基礎上,本文進一步對板開孔的連續箱的寬跨比、底板翼緣伸出以及預應力錨固位置改變等參數對箱剪力滯的影響進行研究。
  5. The sections " shape of the beam in the steel structure is mostly i. with thinking of the strength factor, it ' s necessary to make the beam web high and thin

    鋼結構的多為工字型,從強度方考慮板宜做得高而薄。
  6. ( 3 ) this thesis deduces the predigestion calculating method for calculating the section stress redistributed by the effects of concrete shrinkage, creep and difference temperature of pre - stressed lager cantilever composite beam with corrugated steel webs

    ( 3 )推導了預應力波形鋼板組合挑關于徐變、收縮及溫度效應下的應力分佈簡化計算方法。
  7. Steel fiber reduces the size effect of shear resistance of reinforced concrete beams without web reinfocements. the size effect formula is proposed in this paper, it is better agreement with test data. 5

    鋼纖維對鋼筋混凝土無承載力「尺寸效應」具有降低作用,本文提出了與現行規范相銜接的鋼筋鋼纖維混凝土承載力「尺寸效應」計算公式,與現有的試驗資料符合良好。
  8. The research works and conclusions of this paper as following : 1. besed on the test results published over the word of reinforced concrete beams without web reinforcements and with stirrups, the systematically statistical analysis is carried out to set up the fomula of shear resistance of reinforced concrete beams using the uniaxial tensile strength of concrete. it provided the basis of strtistical analysis for shear resistance of steel fiber reinforced concrete beams

    根據收集到的國內外對鋼筋混凝土無和鋼筋混凝土有的斜承載力試驗研究成果,進行了比較系統的綜合統計分析,提出了採用混凝土軸心抗拉強度研究成果,進行了比較系統的綜合統計分析,提出了採用混凝土軸心抗拉強度指標的鋼筋混凝土承載力計算公式,為鋼筋鋼纖維混凝土受剪承載力試驗結果的統計分析提供了基礎。
  9. Second, change the diaphragm ’ s space between, retain the other thing, analyze the influence of the stress and deformation of box ? girder cross section and the beam web. based on the analysis upwards, the writer studied the rule of the influence of the stress and deformation box ? girder cross section and the beam web with different diaphragm ’ s space between. according to the results of finite element analysis, the writer puts forward some suggestions which will provide some reference for the following design

    本文利用ansys有限元分析程序,對指定斷,不同曲率的曲箱,建立完備的有限元模型,分別對二個方的問題進行了分析:其一,通過對箱在有無跨中橫隔板時頂板及板的變形和應力分佈的對比分析,闡述了設置跨中橫隔板的重要性;其二,在相同工況下,通過改變橫隔板的設置間距,分析對箱翼緣及板的受力影響。
  10. Analysis of shear failure characteristic of non - web bar circular reinforced concrete beam

    圓形破壞形態分析
  11. Local buckling capacity of steel composite beam subjected to combined bending, shear and patch loading is one of key problem in steel structures design. the computational formula for local stability of web was based on the assumption of infinite - elastic perfect plates in the steel structures design code ( gbj17 - 88 ). but in the revised code ( gb50017 - 2003 ), this formula was made big change with reference to british code ( bs5950, partl ) and australian code ( as4100 ), the related research result of our country was included as well. in the modified formula, influence of early geometric imperfection and elastic - plastic buckling stage were considered, which is compatible with both actual circumstance of engineering and the strength formula of beams under bending stresses ( considering partial plasticity of the section ). in this paper, the preceding problem is deeply analyzed and studied, considering the effects of various geometric parameters and stress combinations on buckling critical stress of web, the revised local buckling correlative formula for transverse and longituded stiffened web panels under combined stresses is analyzed and verified by finite element method

    組合鋼板在彎、剪及局壓復合應力作用下的局部屈曲承載能力是鋼結構設計中需考慮的問題,新的《鋼結構設計規范》 ( gb50017 ? 2003 )對此部分內容作了較大改動,原規范中關于板局部穩定的計算公式是基於無限彈性的完善板假定;新的規范則參考了英國規范( bs5950 part1 )及澳大利亞規范( as4100 )並結合我國相關研究成果,考慮了屈曲進入彈塑性階段以及初始幾何缺陷的影響。這不僅與工程實際情況相符,而且也與鋼在彎曲應力作用下允許部分進入塑性的計算公式相協調。
  12. Circular arch is rational for big rise - span ratio, but each has his strong point for small rise - span ratio. ( 3 ) the common used rise - span ratios are 1 / 6 - 1 / 12. by the decrease of rise - span ratio, the internal forces are increasing linearly except of the moment of open spandrel beam

    ( 3 )空式剛架拱橋的矢跨比一般為1 6 1 12 ,隨著矢跨比的減小,除了空段加勁的彎矩值線性減小外,其餘的內力值均為線性增大。
  13. This paper obtains the calculating methods of rigidity of the psrc beams with different effective working sections at the different stress stages through analyzing on the stress process of nominal section of beams while calculating the deflection of psrc beams

    計算實式預應力型鋼混凝土的撓度時,通過對的正受力過程分析,得到不同的有效工作式預應力型鋼混凝土在不同受力階段的剛度計算方法。
  14. The shear strength of the no corroded rc beams with stirrups is divided by two parts, that is the strength provided by the stirrups and the beams without web reinforcement. on the basis of this shearing mechanism of rc structural elements with web reinforcement, considering the confining effects of the stirrups, the shear carrying capacity expression of the corroded rc structural elements is given. the present results are compared with corresponding references and some reasonable conclusions are drawn

    對于銹蝕有的抗剪承載力問題,基於未銹蝕有抗剪強度公式建立的原理,即未銹蝕有的抗剪強度為相應未銹蝕無的抗剪強度和箍筋對抗剪強度貢獻兩部分的疊加,考慮箍筋的約束作用對斜抗剪強度的貢獻,建立了有筋構件斜抗剪承載力的計算表達式,且與相關文獻的結果進行了比較。
  15. Experimental research on shear strength of circular steel concrete beams without stirrups

    鋼筋混凝土圓形抗剪承載力的試驗研究
  16. The project is completed in the collaboration of the transportation college of jilin university and transportation science institute in jilin province. the paper mainly studies the characteristics and mechanical performance of small size member of bridge, the problems of concrete dense degree and shear lag effect of wide flange. the static load test and supersonic nondestructive test of four pieces of prestressed i - girder with varying section are carried out in bridge structure laboratory of jilin university

    本文針對橋構件局部尺寸較小部位的混凝土密實度問題,進行了2片板寬度為14cm , 2片板寬度為16cm的變預應力工字的靜載試驗和超聲無損檢測試驗,提出密實度系數的概念,對試驗的密實度進行定量評定,推導了工字的塑性系數公式,基於塑性理論給出了試驗的開裂荷載和極限承載能力計算公式,分析了試驗的密實度對其開裂荷載和極限承載能力的影響。
  17. 2. based on the test results published over the word of steel fiber reinforced concrete beams without web reinforcements and with stirrups, the effects of steel fiber to shear resistance and the relationship of steel fiber to stirrups are analyzed, the improvements of steel fiber to failure states of reinforced concrete beams without web reinforcements are discussed. it is proposed that the formula of shear resistance of steel fiber reinforced concrete beams based on the model of the current design and construction spectification of steel fiber reinforced concrete structures ( cecs38 : 92 ), used of the uniaxial tensile strength of steel fiber reinforced concrete, and combined with different formulas specified in current design codes of concrete structures issued by different trades

    根據收集到的國內外對鋼筋鋼纖維混凝土無和鋼筋鋼纖維混凝土有的斜受力性能試驗研究成果,對鋼纖維在增強鋼筋混凝土無和有承載力方的作用及其在箍筋抗剪承載力的關系進行了總結分析,對鋼纖維改善鋼筋混凝土破壞形態方的作用進行了分析討論,提出了採用鋼纖維混凝土軸心抗拉強度指標,基於現行cecs38 : 92 《鋼纖維混凝土結構設計與施工規程》計算模式、能夠與目前國內各行業現行混凝土結構設計規范中不同的鋼筋混凝土受剪承載力設計方法配套使用的鋼筋鋼纖維混凝土受剪承載力設計方法。
  18. Moreover, the detailed calculation and contrastive analysis are carried out by using the software ansys. theoretical calculation and testing results show that adopting the connection construction with a hole on the web can alleviate the stress state greatly and transform the failure mode of the connection from brittle fracture to local buckling damage on beam, reduces the possibility of brittle fracture by welding and improve the ductility performance of connection to a great extent

    結果表明,採用板開孔的節點形式,可以使的塑性鉸位置由根部向中部偏移,達到了有效控制塑性鉸位置的目的;同時,採用這種節點構造可以改變節點附近的應力分佈狀態,降低了節點脆性破壞的可能性,使節點的破壞模式從脆性破壞轉變為的局部屈曲破壞,很大程度上改善了結構的延性。
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