曲面應力 的英文怎麼說

中文拼音 [miànyīng]
曲面應力 英文
quadric stress
  • : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
  • : 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...
  • : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  1. On this foundation the article inducts in detail the method which is based on the relative settlement of calculating unit area end support ( qb ) force at the same time considering the feature of pedestal pile ' s " arch effect " the article introduces conception of pile effective length and finally obtain t he formula of calculating man - made pipe with bulb - shaped axial carrying capacity. the article uses marc program to calculate and analyze foundation soil ' s stress and displacement and gets the change curve chart and the proportion that is shared by king - pipe side soil friction resistance and pipe end counterforce respectively. the article inducts the structure of pedestal in detail on the basis of generalizing pedestal application cases of many countries

    在此基礎上論文詳細歸納了以相對沉降為依據確定單位積端承q _ b的計算方法,並考慮擴底樁的「拱效」特點引入了有效樁長的概念,最後結合公路規范推出了比較實用的人工挖孔擴底樁軸向承載計算公式。論文運用了marc程序對地基土的和位移進行了有限元數值計算分析,得到了地基土的和位移場的變化線和在加載過程中樁側土摩阻和樁端反各自所承擔的比例;本文還在總結各國挖孔擴底樁用情況的基礎上就擴底樁的構造進行了詳細的歸納。
  2. It is obvious that the loading of fig. 19(a)produces both direct tension and bending stress on the cross section.

    顯然,圖19(a)的加載在截上產生了正的拉
  3. Abstract : based on the analysis of the main failures discovered in pavement on steel deck plate and the demanding service condition of the pavement on steel deck, high - temperature rutting test, low - temperature bending test and controlled stress flexural fatigue test are used to study the performance of asphalt mixtures modified by epoxy resin including high - temperature stability, low - temperature cracking - resistance, and fatigue cracking - resistance, which are served to evaluate the modification effect of epoxy resin of different contents. with the addition of epoxy resin, all the three performances are improved greatly. however, when the amount of epoxy resin added is over a certain value, the modification effect will be stable with no extra benefit detected. finally, in terms of the properties of the three respects, 20 ?, 30 ?, 30 ? are given separately as the proposal adding contents

    文摘:在分析鋼橋鋪裝層主要病害和特殊工作環境的前提下,分別採用高溫車轍試驗、低溫小梁彎試驗和控制小梁彎拉疲勞試驗,研究了不同環氧樹脂摻量下的環氧樹脂改性瀝青混合料的高溫穩定性、低溫抗裂性和抗疲勞性能.試驗結果表明:環氧樹脂對這3個方都有很大的改進效果,但改性效果和樹脂的添加量並不是一個無限遞增的關系,當添加量超過一定數值以後,改性的效果將趨于平穩.最後就高溫、低溫、疲勞3個方分別提出環氧樹脂添加量為20 ? , 30 ? , 30 ?的建議值
  4. Based on the analysis of the main failures discovered in pavement on steel deck plate and the demanding service condition of the pavement on steel deck, high - temperature rutting test, low - temperature bending test and controlled stress flexural fatigue test are used to study the performance of asphalt mixtures modified by epoxy resin including high - temperature stability, low - temperature cracking - resistance, and fatigue cracking - resistance, which are served to evaluate the modification effect of epoxy resin of different contents. with the addition of epoxy resin, all the three performances are improved greatly. however, when the amount of epoxy resin added is over a certain value, the modification effect will be stable with no extra benefit detected. finally, in terms of the properties of the three respects, 20 ?, 30 ?, 30 ? are given separately as the proposal adding contents

    在分析鋼橋鋪裝層主要病害和特殊工作環境的前提下,分別採用高溫車轍試驗、低溫小梁彎試驗和控制小梁彎拉疲勞試驗,研究了不同環氧樹脂摻量下的環氧樹脂改性瀝青混合料的高溫穩定性、低溫抗裂性和抗疲勞性能.試驗結果表明:環氧樹脂對這3個方都有很大的改進效果,但改性效果和樹脂的添加量並不是一個無限遞增的關系,當添加量超過一定數值以後,改性的效果將趨于平穩.最後就高溫、低溫、疲勞3個方分別提出環氧樹脂添加量為20 ? , 30 ? , 30 ?的建議值
  5. The plating in ships is generally subjected to combined in - plane and lateral pressure loads. in - plane loads include biaxial compression / tension and in - plane bending and edge shear, which are mainly induced by overall hull girder bending and / or torsion of the vessel. lateral pressure loads are due to water pressure and cargo

    內載荷分為軸向壓或拉、邊緣剪切以及內軸向彎。實際的船舶結構中內載荷通常由船體梁的總縱彎或者船體梁的扭轉引起。側向壓則由水壓和貨物壓引起。
  6. Shear stresses and shear strains in prismatic members may be caused by either torsional moments, or by shear forces associated with flexure.

    在等截桿件中,剪和剪變可以由扭矩引起,或者由變相關的剪引起。
  7. Control the radius and position and improvement the status of inosculate and stress

    控制套圈的滾道率和位置,改善接觸狀態
  8. The subject for different process technology and surface treatment of crank takes tracking checkout for its internal stress, analyses relation of jumping measurement, deformation measurement, recovery measurement and stress change, finds the reason and usual law of jumping overproof of crank. through cold pressure alignment, hot pressure alignment, support aged alignment and so on methods for 42crmo steel crank, the subject checks change of stress in the process of alignment and change of tissue and property after alignment for crank, and gives comprehensive evaluation for every alignment technology, then give safe and feasible technology parameter

    本課題主要是對不同加工工藝及不同表處理過程的軸,對其內進行跟蹤檢測,分析各工藝過程中跳動量、變形量、恢復量與改變的關系,找出軸跳動量超差的原因和一般規律。通過對42crmo鋼軸進行「常溫壓校直」 、 「熱壓校直」 、 「支撐時效校直」等方法的校直,檢測校直過程中的變化及校直后組織和性能的改變,進而對各校直工藝進行綜合評價,給出安全可行的工藝參數。
  9. We call this surface the stress quadric.

    我們稱這個二次
  10. Abstract : the therortical calculation of the bending stress of the root and experimental stress analysis on the modified profile and the standard involute tooth profile were made with the finite element method and the electric resistance strain film method. this indicated that the modified profile was supe rior to the standard involute profiles in terms of the bending strength

    文摘:分別用有限元和電阻變片法對修形齒形和漸開線齒形進行齒根彎計算與實驗分析.結果證明在彎強度方修形齒形比標準漸開線齒形更優越
  11. In this paper, the finite - element numerical analysis calculation is applied to the foundation of high - rise and multi - floor building and the evolvement law of stress and displacement of tunnel used by urban traffic to explore the mutual influence between the wall rock of underground space and high - rise building foundation, taking account of the specific construction situation in the " sanmu garden " project in dadukou district in chongqing, from the perspective of underground space static - force structure stability analysis to open a underground tunnel with 6m in span and 7. 5m in height for track traffic 20m below the surface. this paper, taking considerations of three different states, i. e. the natural state without any artificial interference, the state of high - rise buildings on the surface, and the underground tunnel state with excavation for track traffic, and four plane lines and four vertical lines, analyzes and studies the distributing law of stress and displacement of calculation section from the following aspects : ( 1 ) the main stress vectorgraph, displacement distribution graph ( ux, uy ) and chromatogram graph of stress isoline ( 1, 2, xy ) of section under different states ; ( 2 ) the contrastive distribution curve of stress ( 1, 2, xy ) of different plane and vertical lines under the same state ; ( 3 ) the contrastive distribution curve of stress ( 1, 2, xy ) of the same plane and vertical lines under different states, wishing to provide references for underground space utilization and project designing and construction of the tunnel under high - rise buildings in the future

    本文結合重慶市大渡口區「三木花園」開發建設項目,從地下空間靜結構穩定性分析角度出發,針對在該項目中涉及的高層和多層建築物以及在其地下20米處開挖了一個用於軌道交通的跨度6米,高7 . 5米的地下隧道這一具體工程情況,採用2d - 3d -有限元結構分析程序對高層與多層建築物的地基基礎及其與城市軌道交通使用的地下隧道圍巖的與位移演變規律進行了有限元數值分析計算,探索了地下空間圍巖與高層或多層建築物地基基礎之間的相互影響,通過考慮未受到任何人為擾動影響的天然狀態、地表存在多層或高層建築物狀態和地下開挖用於軌道交通的地下隧道狀態等三種不同狀態以及4個水平剖線和4個垂直剖線等不同情況,從以下幾個方具體分析研究了計算斷與位移分佈規律: ( 1 )在各種不同狀態下計算斷的主矢量圖、位移分布圖( ux 、 uy )以及等值線色譜圖( _ 1 、 _ 2 、 _ ( xy ) )等; ( 2 )相同狀態下不同水平與垂直剖線的_ 1 、 _ 2和_ ( xy )對比分佈線; ( 3 )不同狀態下相同水平或垂直剖線的_ 1 、 _ 2和_ ( xy )的對比分佈線等,為今後在對地下空間的開發利用以及在高層建築物地下開挖硐室時的工程設計和工程施工提供參考依據。
  12. It is determined that with accurate knowledge of the complete stress - strain curve of concrete in compression, steel in tension, and with an iterative computerized non ? linear method, it is possible to predict the entire moment - curvature, moment - flexural rigidity and axial rigidity relation ship of a cross - section of a structure member

    可以確定,只要知道混凝土受壓和鋼筋受拉的完整的變關系,採用選代的非線性計算方法,就有可能預測結構截彎矩一率、彎矩一彎剛度和軸向剛度的關系。
  13. The work done in this paper is mainly as follows : ( 1 ) the wide beam should intrude to the wall at some length to make the flexural stress uniform along beam section width, thus make full use of the beam ' s bearing capacity and avoid the shear failure in the concrete joint. and it also prevents stress focus and concrete crack in the local shear wall

    關于寬梁與薄墻肢節點,可以得出以下幾點初步結論:寬梁該深入墻肢一定的深度,以使寬梁截的彎沿著梁截寬度分佈均勻,充分發揮寬梁的抗彎能,同時避免節點區混凝土的剪切失效,也避免剪墻的局部因為受到的過大而拉裂。
  14. The research fruits in this article can provide the temperature isoline map of crown cantilever section and central longitudinal section of the dam, the stress isoline map of crown cantilever section and upstream and downstream surfaces of the dam, the maximal and minimal stress distribution map in dam abutment along with the height of dam, the maximal and minimal stress table of typical nodes and the maximal and minimal stress table in different elevations, and also provide reference basis for taking relative temperature control measures in the design and construction of rcc arch dam

    本文研究成果可給出壩體的拱冠梁剖和壩體中心縱剖的溫度等值線圖、拱冠梁剖和壩體上下游等值線圖、壩肩最大最小沿壩高的分佈線、不同高程處典型點的最大最小值表以及不同高程處最大最小值表等成果,為碾壓混凝土拱壩的設計和施工中採取相的溫控措施提供了參考依據。
  15. In the hogging condition, double bottom and the side shell remain the ultimate bucking strength, deck and upperwing tank remain the yield stress, and the other parts keep elasticity. then the key to calculate the ultimate strength of ship hull girders is to ascertain the ultimate bucking strength of the stiffened panels. in this regard, the developed formulation is designed to be more sophisticated than previous simplified theoretical method for calculating the ultimate strength of stiffened panels under combined in - plane bending and lateral pressure. fabricatio n - related initial imperfections ( initial deflections and residual stresses ) are included in the panel ultimate strength calculation as parameters of influence. all possible collapse modes involed in collapse of stiffened panels, including overall buckling collapse, column or beam - column type collapse, tripping of stiffeners and local bukling of stiffened web are considered

    確定了船體梁整體破壞時的剖分佈之後,關鍵在於確定板架的極限屈強度。本文充分考慮了在縱向彎、橫向壓作用下加筋板可能發生的幾種破壞模式,即板架的整體屈破壞、樑柱形式的破壞、筋的側傾、腹板的屈並同時考慮了初始焊接殘余、初撓度的影響,使其更精確的計算加筋板的屈強度。對于加筋板中加強筋腹板的局部屈,採用解析法推導出筋的腹板的撓度方程及其邊界條件,求解相的方程,從而計算出腹板的局部屈
  16. Taking advantage of hear forces current theory ? this paper deduces the formula of bending shear stresses, in which the influences of axial force, bending moment, variable section depth and the variable thickness of top slab, bottom slab and webs are taken into account

    本文利用「剪流理論」推導出了彎的公式,該公式不僅計及了軸和彎矩對彎的影響,還計及了截高度、頂板、底板及腹板厚度變化對彎的影響。
  17. This thesis used along caldwell ' s direct calculation method of the ultimate strength of ship hull girders, considered the double bottom and upperwing tank to ship ultimate strength contribution, first defined the stress distribution of the whole section of the ship girders. that is : in the sagging condition, deck and side shell of nearby deck remain the ultimate bucking strength, double bottom remain the yield stress. and the other parts keep elasticity

    本文沿用caldwell等人直接計算船體極限強度的思想,考慮雙層底和頂邊水艙對船體極限強度的貢獻,首先將船體梁整體破壞時剖分佈確定為:在中垂狀態下,甲板及甲板附近的舷側均屈,雙層底區域則均屈服,其他部分保持彈性狀態;在中拱狀態下,雙層底及之間的底舷側均屈,甲板及頂邊水艙區域均屈服,其他部分則保持彈性狀態。
  18. The longitudinal stresses in the tunnel structure calculated by using the model of tamura & okamoto are obviously greater than the stresses in transverse direction obtained by using two dimensional finite element analysis. it is proposed that the axial and bending stresses should not be ignored for the underground structural design

    計算結果表明,由彈簧質量模型算得的地下結構在地震作用下縱向振動和橫向振動產生的縱向和彎及剪明顯高於由二維平有限元算得的橫向平內產生的正和剪,由此可見軸向和彎是地下結構抗震設計中不容忽視的因素。
  19. In the end, the steel - reinforced concrete arched bridge ( chun ' an weiping bridge ), which span is 198m, is analyzed by the proposed three - dimensional nonlinear finite element method and also those gained conclusions are directly adopted in the computation. the universal stability coefficient and nonlinear buckling stability coefficient of the bridge are respectively computed, in which the dead load and the live load are assembled according to the criterion. on the other side, the regularities of creep deformation and subsidiary stress of the investigated bridge under the first - stage dead load are carefully researched

    最後,將本文所提出的三維非線性分析方法及其主要研究成果直接用於198m跨勁型骨架式鋼管混凝土拱橋「淳安威坪大橋」的分析計算中,對該橋在最不利恆載和活載組合下的一般特徵值失穩系數和非線性屈系數進行了對比研究,並對一期恆載長期作用下該橋的徐變變形、附加以及截變重分佈規律分別進行了深入研究。
  20. 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,採用腹板開孔的節點形式,可以使梁的塑性鉸位置由梁根部向中部偏移,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梁截分佈狀態,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梁的局部屈破壞,很大程度上改善了結構的延性。
分享友人