等截面桿 的英文怎麼說

中文拼音 [děngjiémiàngǎn]
等截面桿 英文
prismatic bar
  • : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
  • : 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...
  • : 桿名詞(桿子) pole; staff
  1. Shear stresses and shear strains in prismatic members may be caused by either torsional moments, or by shear forces associated with flexure.

    等截面桿件中,剪應力和剪應變可以由扭矩引起,或者由變曲相關的剪力引起。
  2. So we consider five financial indexes includes stock b / p, e / p, current stock size, current stock stru and financial levge by the international tradition, then descriptive statistical test method and cross section statistical test method proved that b / p and current stock size have marked effect on the securities yield besides coefficient b. in the third chapter, the article fut forward a risk factor model, estimates yield sequences of every risk factor by weight regression, and then estimates each risk factor coefficient of different stock by time sequence regression, at last we can reckon the portfolio risk o2p and yield rp which consists n stocks

    結合國際慣例,文章考慮了股票的凈值市價比( b p ) ,市盈率倒數( e p ) ,流通規模( size ) ,流通比例( stru )和財務杠( levge )五個財務指標,應用描述性統計檢驗和橫統計檢驗多種方法,結果表明,除系數以外,凈值市價比( b p )和流通規模( size )對證券收益率部有重要的影響。在論文的第三章,提出了一個基於多因素的風險因子模型,並用加權回歸和時間序列回歸方法估計出了不同證券的各風險因子系數(類似於單指數模型中的系數) ,據此,即可衡量出一個包括n只股票的組合的風險_ p ~ 2和收益率r _ p 。
  3. Applying classical wave theory, a concept of equivalent elastic modulus on propagation speed modification of guided wave through " variable cross - section " of metal bar embeded layer was put forward

    摘要運用波動的經典理論,提出了導波在金屬嵌入層「變」傳播時波速改變的「效彈性模量」的概念。
  4. This paper presents the structural design of the main bridge of lhasa river bridge, makes a deep - going study of the key techniques for design of the bridge, such as the reasonable span length ratio of each span of the 5 - span girder and arch hybrid structure, mechanical behaviour of the dual arch ribs, and section of the continuous girder tie beam, and also works out rigidity and stress conditions of the continuous girder tie beam and stress conditions of the concrete - filled steel tube arches of the main bridge

    摘要介紹了拉薩河特大橋主橋結構設計情況,對於五跨梁拱組合橋梁各孔跨合理的跨度比、疊拱的受力行為及連續梁系形式設計中的關鍵性問題進行了深入的研究,給出了主橋連續梁系的剛度和應力情況、鋼管混凝土拱的應力情況。
  5. Based on tests of nine 1 / 2 - scaled model slabs under vertical loads, the paper analyzed load - deformation curve and proposed limit value of height - width ratio under axial loads. 2. based on aseismic tests, the paper put forward a model of concrete frame, silica brick and a combination of the two, proposed that the silica brick works as a 45 compression bar, analyzed the factors which may influence bearing capacity of the slab and advised a formula including the numbers of bays and of storeys of the frame

    通過對墻板模型的抗震性能試驗研究,建立了由鋼筋混凝土框格、砌塊以及兩者協同作用三個部分組成的承載力極限狀態下的理論簡化計算模型;提出了墻板中填充塊效斜壓寬度按45度計算的統一量化標準;分析了影響墻板承載力的主要影響因素,給出了表達墻板框格層數和跨數不同的斜承載力實用設計計算公式。
  6. Then, the author provided ways to control flexible support systems " displacement on the base of study the capability of flexible support systems. at the same time, the author analyzed the self - vibrating capability of flexible support systems and study the influence of parameters " changement

    同時,對柔性支承體系的動力性能進行了開拓性的研究,分析了空間柔性支承體系的自振特性,以及矢高、、質量不同參數對其動力特性的影響。
  7. Let us consider a slender bar of the medium, with a constant cross - section area. a short axial disturbance is produced at one of the bar, resulting in the propagation of a wave

    此方法的原理在於考慮一個的圓形細介質,在波傳播到的一端時,產生了微小的軸向干擾。
  8. This paper deals with the static and dynamic output kinematic accuracy of a group of elastic slider - crank mechanisms with the same design parameters by taking the bar length, joint - gaps, mass density, interception and physical parameters as random variables

    摘要將彈性曲柄滑塊機構的長、尺寸、鉸鏈間隙、質量密度、彈性模量幾何、物理參數均視為隨機變量,對機構輸出運動進行了靜態和動態誤差分析。
  9. Solution of critical load of continuous strut with constant section

    連續受壓直臨界荷載的求解
  10. A further research on the torsion problem of a straight bar with uniform cross section

    扭轉問題的進一步研究
  11. A further research for the torsion problem of a straight elastic bar with uniform cross section

    扭轉問題的進一步研究
  12. In this paper, the stubble, rust of tie bars and destruction forms of anchorage device are considered equivalent to the loss of tie bars ’ sections which is the analysis parameter of this paper

    本文將系的斷絲、銹蝕及錨具破壞形式效為系的損失。
  13. Vibration of column horn with large aspect ratio by 2 - d equivalent circuit

    用二維效電路模型研究大圓柱變幅的振動
  14. The main work of this paper was as fellows : ( 1 ) generalized the development of pre - stressed steel structure in our nation and abroad, and pointed out the main problem in practice ; ( 2 ) presented the mechanism of pre - stressed steel structure and revealed its applicable range ; ( 3 ) established the optimization design model for pre - stressed steel structure, which accounts for constraints on stresses and displacements of structure ; ( 4 ) brought forward the optimization design method, which combined linear programming and the principle of full restriction, through which we can obtain the magnitude of each time pre - stress and the optimized sections of each members of structure ; ( 5 ) analyzed the best times of pre - stress and pointed out that 2 ~ 3 times is preferable ; ( 6 ) conducted optimization design on large - space steel roof, horizontal parallel steel truss with local cables, horizontal parallel steel truss with global cable, and ultra - static steel truss, the result of which indicated that the multiple pre - stress structure is very economic ; ( 7 ) compared different schemes of cable placement for horizontal parallel steel truss, and the results showed that the local cable only unloaded the second girders, but had no response on the first girders and stomach poles, while global cable could unload the second girders and the stomach poles outside of turning point of cable, thus proving that global cable is more economic than local - cable

    本文的主要工作是:對國內外預應力鋼結構的發展歷史及現狀作了綜述和總結,指出當前預應力鋼結構工程實踐中存在的主要問題;闡述了預應力鋼結構的受力機理,並指出預應力鋼結構的適用范圍和特點;在考慮結構應力和變位約束的條件下,建立預應力鋼結構優化設計模型;提出多次預應力鋼結構優化設計方法和步驟,採用線性規劃和滿約束準則相結合的優化方法,可優化設計出施加的每一級預應力的大小,並得到結構各部分的優化;對多次預應力最佳的施加次數作了分析,並建議以2 3次為宜;為驗證文中理論和方法,分別對大跨多次預應力鋼屋架、局部布索的水平平行弦鋼桁架、整體布索的水平平行弦鋼桁架和局部布索的超靜定鋼桁架算例進行了優化設計,經濟效益明顯;對水平平行弦鋼桁架的幾種施加預應力的方案進行比較,對于局部布索,預應力只對下弦起到卸載作用,對上弦和腹基本不起作用;而整體布索預應力除對下弦卸載外,對索折點以外部分腹也起到卸載作用,經濟效益好於局部布索。
  15. Firstly, the shear and normal stresses of tapered members under the transverse load or axial load are analysed, and the stresses formulas are obtained which are different from those of the prismatic ones. secondly, research is done on the in - plane inelastic stability of tapered members under axial loads about strong axis and weak axis. a new design method is suggested in which the tapered member is equivalent to the prismatic member with the cross - section at the larger end of the tapered member

    同時由分析可知,目前採用的將變按照彈性極限荷載效的原則效成以小端為準的的設計方法,在彈塑性階段低估了壓的承載力,即彈性效的壓在彈塑性階段並不效,實際變的承載力比效的的承載力要高。
  16. This paper presents the element stiffness matrix and equivalent node force of the variable cross - section bar. so the approximation in structural analysis is avoided, and the calculation capacity of equivalent frame method is also developed. this helped the engineers avoid the fem, which consume much time and is difficult to master

    本文對板帶寬度變化的板柱結構推導了變單元的單元剛度矩陣和效結點荷載列陣,避免了在結構分析時所作的近似,也擴大了代框架法的計算范圍,使工程技術人員免於使用佔用機時、難于掌握的有限元分析法。
  17. 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、侵蝕性環境的混凝土結構海洋工程、橋梁工程、路工程、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受彎性能的理論計算體系。
  18. This paper investigates and presents the design methods for lateral braces between equal spaced columns reducing the effective lengths of the columns to half

    本文探討了一排間距布置的承受相同軸力的柱,使柱計算長度減少至0 . 5l時所需橫向水平撐的設計問題。
  19. Based on the transfer - matrix method, the general expressions of equivalent four - terminal network parameters of varying section torsional horn are derived, the relations between frequency equation and both the rotational velocity amplification and that of the surface tangential velocity of stepped type torsional ultrasonic horn with transitional section of cosine - like type are obtained

    摘要基於傳遞矩陣演算法,推導出了變扭轉振動時效四端網路參量的一般表達式,研究了帶類餘弦過渡段階梯形變幅扭轉振動頻率方程與角速度放大倍數及外表切向速度放大倍數的關系。
  20. At first, after the dynamic characteristics of the plane and the spatial supporting systems were studied, fore some steps fixed frequency and shape of vibration were gained. secondly, several design parameters which influence the dynamic characteristics of this kind system were discussed, including pre - tension value in the cable, cross - section of the cable, cross - section of steel - bar and form change. some applied decisions were found

    首先,對平和空間索桁支承體系的自振特性進行研究,得到體系的前幾階固有頻率和振型形式;進而探討了索的預拉力、拉索積、撐積、形狀改變(撐長度l )主要設計參數對體系自振特性的影響,得出了一些有益的結論,為體系設計和施工提供意見和依據;最後,對體系的風振特性進行了分析,用幕墻風荷載規范對幾種索桁支承體系形式進行風荷載計算。
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