垂跨比 的英文怎麼說
中文拼音 [chuíkuàbǐ]
垂跨比
英文
sag ratio-
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，從地下空間靜力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應力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，從以下幾個方面具體分析研究了計算斷面的應力與位移分佈規律： （ 1 ）在各種不同狀態下計算斷面的主應力矢量圖、位移分布圖（ ux 、 uy ）以及應力等值線色譜圖（ _ 1 、 _ 2 、 _ （ xy ） ）等； （ 2 ）相同狀態下不同水平與垂直剖線的應力_ 1 、 _ 2和_ （ xy ）對比分佈曲線； （ 3 ）不同狀態下相同水平或垂直剖線的應力_ 1 、 _ 2和_ （ xy ）的對比分佈曲線等，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。It shows that the method suggested in the paper is simple, applicable for engineering and has good precision. on the bases of the formulas deduced, and combining with relative test datas, it studies in the paper several factors influencing the bearing performance of the simple beams, such as shape of the external tendons, the equal moment segment length, span - to - depth ratio of the beam, valid initial prestress of the external tendons, area of the internal tension reinforcement, strength of the concrete, vertical distance between
在公式推導的基礎上，結合相關試驗資料，研究了體外筋的形狀、等彎矩區長度、梁跨高比、有效張拉預應力、體內受拉筋配筋率、混凝土強度、錨固點到樑上邊緣在垂直方向上的距離、體外預應力筋水平段長度（雙折線型體外筋的情況）以及荷載類型等對體外預應力混凝土簡支梁受力性能的影響。The thesis first describes the definition as well as the underlying characteristics of international m & a, and analyzes the juristic fact that international m & a is a sub - sector of international private direct investment. next, it introduces the history of international m & a and compares both positive and negative influence of international m & a. the thesis then explains the conceptions and impacts of horizontal m & a, vertical m & a, and conglomerate m & a respectively, the three kinds of transactions most critical to the international m & a
筆者在本章一開始明確了跨國並購的基本概念，閘述了它的基本特徵，對跨國並購屬于國際私人直接投資這一法律性質予以分析；介紹了跨國並購的發展歷程，從積極和消極兩方面對比分析了跨國並購的作用；按照橫向並購、垂直並購和混合併購這三種跨國並購的基本形式分別闡述了他們的概念及其各自的影響。Until now, the domestic and overseas scholar has studied the factors that have effect on performance of steel fiber reinforced concrete corbel such as shear span to depth, strength of concrete, reinforcement ratio ( including longitudinal reinforcement and stirrup ) and ratio of horizontal to vertical load. for calculating the cracking load, and ultimate load domestic and foreign scholar has brought forward a series of calculative formulas and methods have been put forward that based on statistical analysis, flexural model and truss model
到目前為止，國內外學者已研究了剪跨比、混凝土強度、配筋率（包括縱向鋼筋和箍筋） 、水平荷載與垂直荷載之比等因素對鋼筋鋼纖維混凝土牛腿受力性能的影響，對牛腿的抗裂計算和承載力的計算，國內外學者曾提出了基於數理統計分析、彎壓模型和桁架模型等的一系列計算方法和計算公式。Abstract : based on the systematic analysis of the shear behavior for r. c. beams, the tests of 11 simple supported beams under the top concentrated loads and the uniform loads are supplemented. the prime variable is shear span ratio, span depth ratio, horizontal web reinforcement ratio and vertical web reinforcement ratio. according to the test results, the working behavior, the prime shear failure modes, the effect of concrete and web reinforcement ( horizontal web reinforcement and vertical web reinforcement ) and other aspects of r. c. beams are analysed. the uniform calculation method for shear capacity of deep beams, short beams and shallow beams for practical is presented
文摘:在對國內外鋼筋混凝土梁的受剪性能進行較系統分析的基礎上，補充了11根鋼筋混凝土簡支短梁在頂部集中荷載和均布荷載作用下的試驗，試驗梁的主要變化參數為剪跨比、跨高比、水平腹筋率和垂直腹筋率.根據試驗結果，對試驗梁的工作性能、主要的剪切破壞形態、混凝土項的抗剪作用、抗剪腹筋（包括水平腹筋、垂直腹筋）的作用等進行了較為深入的分析，提出了可適用鋼筋混凝土深梁、短梁和淺梁相互協調的受剪承載力的統一計算方法[ size = 3 ] the kidnap of a group of five europeans ( three britons, a british - italian woman and a french woman ), along with a dozen ethiopian guides and helpers, has highlighted one of the harshest parts of africa : the land of the afars ( or danakil ), who straddle the wastes between ethiopia, eritrea and djibouti
五名歐洲人（三名英國人，一名英籍義大利婦女和一名法國婦女）以及跟隨他們的十二名衣索比亞向導和助手在阿爾法斯地區遭到綁架，該事件使非洲最混亂的地區之一阿法斯（或達內基爾）備受人們的關注，該地跨越衣索比亞，厄利垂亞和吉布地三國的荒蕪地帶。The kidnap of a group of five europeans ( three britons, a british - italian woman and a french woman ), along with a dozen ethiopian guides and helpers, has highlighted one of the harshest parts of africa : the land of the afars ( or danakil ), who straddle the wastes between ethiopia, eritrea and djibouti
五名歐洲人（三名英國人，一名英籍義大利婦女和一名法國婦女）以及跟隨他們的十二名衣索比亞向導和助手在阿爾法斯地區遭到綁架，該事件使非洲最混亂的地區之一阿法斯（或達內基爾）備受人們的關注，該地跨越衣索比亞，厄利垂亞和吉布地三國的荒蕪地帶。Action - stopping rules ： to stop action moving across the frame that ' s perpendicular to the lens axis, you need shutter speeds two stops faster than action moving toward or away from you
行動停車規則：停止行動跨越了襯托的垂直於鏡頭軸線，你需要的快門速度兩站速度比行動走向或遠離你。Then we also study the effect of string on the dynamical characteristic under the symmetric load and not under the symmetric load as the prestressing is the key making beam string structure the balanceatie system, having large rigidity and embodying the superiority of dynamical characteristic of this structure, this paper studies and conceives how to deteimine the number of the prestressing in each stage of construction and through comparing between the plan of onetime and repeated pulling construction choose the suitable pulling construction plan
並且本文還研究了在對稱荷載和不對稱荷載兩種工況下，結構的受力性能隨豎向撐桿數目、結構垂跨比以及下弦索預應力等參數改變時的變化情況，總結出該結構受力方面的特徵，為實際工程設計提供依據。鑒于預應力是使張弦梁結構形成自平衡體系、具備較大剛度和體現結構性能優勢的關鍵，本文研究和探討了結構施工各階段該預應力大小的確定方法，通過一次張拉與二次張拉方案各項指標的比較，選擇適當的預應力張拉施工方案。分享友人