細長柱 的英文怎麼說
中文拼音 [xìzhǎngzhù]
細長柱
英文
slender column-
On the structural design of chongqing grand theater, german architect request adopt not only shear wall around the building, but also frame columns whose cross section is gracile ( b h = 400mm 1000mm )
在重慶大劇院結構設計中,德方建築師要求除建築物周邊採用剪力墻以外,中間框架部分全部採用細長截面( b h = 400mm 1000mm )框架柱。Description : perennial herbs, 5 - 20 cm tall, densely white villose ; roots slender, terete, up to 40 cm long, fleshy, stem buried in sand with apical part emerged above ground
形態特徵:多年生草本,高5 - 20厘米,全株密被白色長柔毛;根細長,圓柱形,長達40厘米,肉質;莖大部埋藏於沙中,部分露出地面。Numerical simulation of failure mechanism of slender coal pillars
細長窄煤柱破壞機理的數值分析This paper introduces the evolution of analytic tools for viv response of slender marine structures, and then put forward a prediction model for viv of a slender riser in which fluid force coefficients obtained in forced oscillation tests are applied more directly than other similar models
文中介紹了細長海洋結構物渦激振動預報工具的發展,進而提出了一種基於圓柱體受迫振蕩實驗數據的預報模型。The children fastened their eyes upon their bit of candle and watched it melt slowly and pitilessly away ; saw the half inch of wick stand alone at last ; saw the feeble flame rise and fall, climb the thin column of smoke, linger at its top a moment, and then the horror of utter darkness reigned
孩子們眼睛盯著那截小蠟燭頭,看著它一點一點無情地燒掉,最後剩下半英寸長的燭心,那軟弱的燭光忽高忽低,順著細長的煙柱往上爬,爬到頂部徘徊了一會,接著恐怖的黑暗完全籠罩了一切。The influence of nano - al2o3 on the sintering and the properties of the si3n4 ceramics was researched in this paper. the samples with different amount of nano - al2o3 were obtained by using pressureless sintering at 1600, 1650, 1700 in the nitrogen atmosphere. the microstructure and the composition of the ceramics were determined by the means of x - ray, sem, micro - hardness meter etc. it is show that the sisty ceramics can be densified at 1650c to % percent of the theory density through the addition of nano - al2o3 ( the value could be 90 percent by other technique ). the crystalline growth of the cylindrical - si3n4 and the ratio of its longitude to its diameter are increased with the addition of nano - al2o3. a uniform microstructure and an fined crystal as well as more sialon phases can be obtained in the si3n4 ceramics through the addition of that
實驗結果表明:在碳管爐中、氮氣保護下進行燒結,添加劑為納米al _ 2o _ 3粉末時,由於納米粉末的高活性、高燒結驅動力,在1650就可使si _ 3n _ 4完全地燒結,並使其緻密度可達理論密度的96以上(比其它工藝高6左右) ;同時,納米al _ 2o _ 3地加入大大促進了長柱狀? si _ 3n _ 4的生長和發育及柱狀晶長徑比的提高,使微觀結構均勻、細化,形成了更多力學性能優異的固體? sialon相,減少了不利於陶瓷材料性能的晶間玻璃相,凈化了晶界。The morphologies of one - dimensional gan nano structures were affected greatly by substrates. we can get different one - dimensional gan nano structures by choosing different substrates. among the products, smooth and straight gan nanowires on quartz substrates, long and transparent gan nanobelts on sapphire substrates, short gan nanorods on si substrates and gan nanopoles on gaas substrates were found, respectively
我們可以通過選擇不同的襯底來分別合成形態不同的一維gan納米結構,其中在石英襯底上合成的是平直的gan納米線,在藍寶石襯底上合成的是細長透明的gan納米帶,在gaas襯底上合成的是柱狀的一維gan納米結構,而在以襯底上合成的是粗短的gan納米棒。The parameters are measured respectively during the experimental process, such as bearing capacity, deformation, strain and so on. it concludes that when the other conditions is equal, the limit bearing capacity of the concrete filled steel tube long column subjected to axial compress is reduced along with the long diameter ratio increased
從試驗結果可以看出:鋼管混凝土軸心受壓長柱的穩定承載力,在其他條件相同時隨長細比的增大而逐漸降低;試件在最大承載力狀態下,鋼管表面的平均縱向應變已超過鋼管的屈服應變值,破壞呈現為非彈性失穩破壞。Based on the analytical result, the axial force is large and the moment is negligible, whether the failure mode of these columns is unstable failure - if unstable failure happens, the bearing capacity of these columns may be less than that of material failure, the safety of this project may not be guaranteed
根據本工程內力分析結果,柱軸力很大,彎矩極小,該細長柱是否會發生失穩破壞?如果發生失穩破壞,其承載能力將會低於按規范計算的材料破壞承載力,則工程的安全性將得不到保證。At last, we can get the limit bearing capacity formula of concrete filled steel tube long column subjected to axial compress. on the basis of the theoretical analysis, twelve samples which have four kinds of long diameter ratio are studied experimentally
在理論推導的基礎上,對四種長細比12個鋼管混凝土軸心受壓長柱進行了試驗研究,量測了鋼管混凝土軸心受壓長柱在試驗過程中各階段的承載力、應變、縱向變形系數等。Due to the high floor height ( h = 8m ) of chongqing grand theater, it leads to slender column, the slenderness of which is great
由於該大劇院一、二層的層高較高( h = 8m ) ,形成了長細比較大的細長柱。Bp neural network application on carrying capacity calculation of reinforced concrete slender column
網路在鋼筋混凝土細長柱承載力計算中應用China ' s policymakers will not be unhappy with their new, slimline figure
中國的決策者對經過換算顯得細長的柱型肯定不滿意。The results of the study demonstrate that under the condition of the same slendness ratio, the stability factor of axially compressed medium long concrete filled steel tube column has no relation with peak stress of the core concrete, instead, the factor will depend on peak strain of the concrete
研究結果表明,在長細比相同的情況下,鋼管混凝土軸壓中長柱的穩定系數與核心混凝土的峰值應力無關,而取決于核心混凝土的峰值應變。The cold - formed square hollow section columns are widely used in various structures such as building structure, trusses, space frames and offshore plates etc. this paper is mainly doing the research on load carrying capacity of the cold - formed square hollow section columns under axial load, the paper includes the following main contents : ( 1 ) an elastic buckling stress for cold - formed square hollow section is presented by finite element analysis, and is compared with the result given by classical elastic buckling theory ; ( 2 ) the elastic - plastic non - linear behavior of the cold - formed square hollow section columns analyzed by ansys is presented ; ( 3 ) by using material model, and geometry nonlinear analysis, the cold - formed effect to stub columns of cold - formed square hollow section is studied ; ( 4 ) by using an material model, the geometry nonlinear analysis, the influence of initial geometrical imperfection to stub columns of cold - formed square hollow section is also analyzed ; ( 5 ) the load carrying capacity of the cold - formed square hollow section columns, which are including the cold - formed effect and influence of initial geometrical imperfection is analyzed by non - linear finite element, and the theoretical analysis results are compared with the results of experimental study and the results calculated by specification gb50018 - 2002
冷彎方管作為軸心壓桿廣泛用於房屋結構、桁架、網架、塔架以及海洋平臺等結構中,本文主要研究軸心受壓冷彎方管的承載力性能,內容主要包括以下一些: ( 1 )對冷彎方管的彈性臨界應力進行有限元分析,並與經典理論結果進行對比,以驗證有限元程序的適應性; ( 2 )闡述冷彎方管採用有限元彈塑性非線性分析理論及應用ansys軟體的非線性分析方法; ( 3 )採用彈塑性模型,考慮幾何非線性及材料非線性,對不同寬厚比的軸心受壓冷彎方管柱的冷彎效應進行有限元非線性分析研究; ( 4 )考慮冷彎效應對屈服應力的影響,對不同寬厚比的軸心受壓冷彎方管短柱在不同初始變形下的承載力性能進行有限元非線性研究; ( 5 )考慮冷彎效應、幾何初始變形,對不同長細比和不同寬厚比的軸心受壓冷彎方管長柱的承載力性能進行有限元非線性研究,並與試驗結果以及我國現行規范gb50018 ? 2002計算結果進行對比分析。Nonlinear analysis of prestressed concrete slender columns with arbitrary cross - section
任意截面預應力混凝土細長柱的非線性分析For this matter, the owner of this project hope validate the safety of this project by structural experiment, confirm the failure mode of these columns, and degree of the effect to the bearing capacity of longitudinal rebar, provide reference for the design of these slender columns
為此,希望通過結構試驗加以驗證,明確細長柱可能發生的破壞形態以及柱破壞時柱內縱筋發揮在強度的程度,為柱的設計提供參考,以確保工程的安全性。Using the directional characteristic of the positive direction explodes elongated charge, wavefront of the elongated charge in the explode location shown higher directivity is in - phase stacked, and also propitious for p - wave to explode and travel
細長藥柱震源利用正向激發長藥柱的定向性特點,達到激發后的波前面在垂直向下的方向上是同相疊加的,顯示出很強的定向性,有利於縱波的激發和傳播。Guarantee the safety of this project. this experiment focus on the failure mode and the ultimate bearing capacity of these columns. besides, this experiment also study the rule of the development of the deflection, the crack, the strain and the stress with the process of this experiment.
通過此次試驗重點研究重慶大劇院縱向框架細長柱的破壞形態(是強度破壞還是失穩破壞)和極限承載能力,同時研究構件的變形、裂縫、應力應變隨加載的發展變化規律及其破壞過程,為本工程及今後此類細長柱結構體系的設計提出一些有益的建議。The main contents are followed below : ( 1 ) for the aim of knowing the characteristics of main factory building structure frame columns of large - scale thermal power plants, nine high strength concrete frame columns with high axial compression ratio and six slender ordinary strength concrete frame columns with high axial compression ratio were tested under low reversed cyclic horizontal loading for the very first time, and thus the influencing factors of normal section bearing capacity, such as concrete intensity grade, axial compressive ratio, slendemess ratio, the type of stirrups and stirrup ratio, etc, the anti seismic deformation capability of frame columns were acquired
本文主要研究的內容有: ( 1 )首次針對火電廠主廠房結構框架柱的特點,對9個高軸壓比高強混凝土框架柱和6個高軸壓比普通混凝土框架長柱進行了低周反復水平加載試驗,獲得混凝土等級、軸壓比、長細比、配箍形式及配筋率等對框架柱的抗彎及抗剪承載力、抗震變形能力的影響因素。分享友人