numerical span 中文意思是什麼
numerical span
解釋
數字廣度-
Based on the numerical simulation and accuracy analysis to previous slab ' s test with the ansys program, the study of composite wall, with various detail design under potential load action respectively or jointly is carried on and the wall ' s atress behavior and failure mode is obtained, also the influence to wall ' s stiffness and bearing capacity by kinds of factors, including wall ' s shear span ratio, member ' s section, bar arrangement, etc. based on the hammer blow test and stiffness test, a 1 / 3 scale ten - bay model ' s modality parameter and elastic deformation characteristic is analyzed
在對密肋復合墻板運用ansys ~ （ （ ? ） ）程序進行數值模擬、分析驗證的基礎上，對典型組合墻體在不同連接構造和不同荷載效應組合作用下的受力形態和破壞模式進行研究；計算分析了復合墻體剪跨比、邊框柱截面尺寸、邊框柱配筋大小以及墻板內肋梁肋柱配筋等諸多因素對密肋復合墻體承載力及剛度的影響，得出其變化規律。 -
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。 -
Relating closely to the main problem of the high sidewall and wide span underground cavities excavation stability of xiluodu hydroelectric project, the evolution characters of geo - stress field in deep - cutting gorge and the whole features of the stress field, strain field and plastic failure zone around the underground chambers after excavation are studied systematically in the dissertation, based on a great deal of data gathered in field investigation and taking the flac3d v2. 0 software as basic computation tools. meanwhile, in the course of research, the new methods of dynamic numerical simulation are summarized and applied. furthermore, the effects of rock mass qualities, initial geo - stress field and excavation procedure on surrounding rock mass stability are discussed
本文緊密結合溪洛渡水電工程大跨度、高邊墻復雜地下廠房洞室群，施工開挖過程中和開挖后圍巖穩定性研究這一重大課題，在詳盡的野外地質調查工作和對大量基礎地質資料的整理與分析基礎上，以目前國際工程地質界公認的最新通用軟體flac ~ （ 3d ） 2 . 0版作為基本計算工具，從整個壩區地應力場的研究開始，通過動態數值模擬分析這一新的模擬思路，系統地研究了深切峽谷區地應力場多階段的特徵和演變規律，進而對左、右岸地下廠房洞室群開挖全過程中圍巖應力場、變形場和塑性破壞區的變化特徵，進行了全過程動態數值模擬研究，並詳細討論了圍巖質量、初始地應力場、施工開挖順序對大型地下洞室群圍巖穩定性的影響。 -
Taking an ultimate deflection more than 1 / 50 of calculating span as the determinant term, by the means of numerical analysis and regress equation respectively, this paper discusses the reasonable stretching controlling stress of usual span and reinforcement slabs for design reference
以極限撓度達到跨度的1 50作為延性破壞的判定指標，本文分別運用數值分析程序試算和回歸方程得出了常用跨度、常用配筋的中強（ 1270mpa ）螺旋肋鋼絲預應力混凝土空心板的張拉控制應力的取值，供設計參考。 -
Forever the without limits innovation spirit because this spirit is precisely numerical code rationality choice multiplication, the positive upward values centralism manifests, is precisely develops the establishment in take the public ownership system as the main body, in diversified economies ingredient communal development foundation socialist market economy objective need, is precisely china s enterprise dares to greet the economical globalization and the knowledge economy flood tide challenge need, is precisely any enterprise unceasingly through the system innovation, the organization innovation, the technical innovation, the pursue enterprise incessant realization great span, jumps the type, continues the need to develop, also will be unceasingly develops the enterprise general staffs to innovate spiritual, the offer spirit, the realistic spirit, the casting enterprise soul basis is at, in this kind forever under under the without limits innovation spirit guidance, the drive the enterprise culture will be able to transform the giant material force, the enterprise culture can become the modern business management the scientific idea, the surmounting enterprise life cycle infinite power
-追求卓越永無止境永無止境的創新精神，因為這一精神正是積極向上的價值觀的集中體現，正是發展建立在以公有制為主體，多種經濟成份共同發展基礎上社會主義市場經濟的客觀需要，正是中國的企業敢於迎接經濟全球化和知識經濟大潮挑戰的需要，正是任何一個企業不斷通過制度創新組織創新技術創新追求企業不斷實現大跨度跳躍式持續發展的需要，也是不斷發展企業廣大員工創新精神奉獻精神求實精神鑄造企業靈魂的根本所在，在這種永無止境的創新精神引導下激勵下企業文化才能轉變成巨大的物質力量，企業文化才能成為現代企業管理的科學理念，超越企業生命周期的無窮動力。 -
Study on numerical simulation of excavation process in hanjialing large span tunnel
韓家嶺大跨度隧道開挖過程數值模擬研究 -
In view of the defects of the available bridge girder models ， this paper proposes a new double - girder model adapted to composite bridge sections for the dynamic analysis of long - span cable - stayed bridges in the proposed model ， the equivalence of the stiffness and mass systems of the bridge girders can be satisfied and the nodes and elements can be maintained in lower numbers the dynamic behavior of a cable - stayed bridge is analyzed by the new double - girder model and the conventional triple - girder model respectively the numerical results show the accuracy and efficiency of the proposed model
針對大跨度斜拉橋動力分析的現有橋面系模型的不足，提出了一種適用於疊合梁橋面系的新型雙主梁模型該模型既保證了橋面系剛度系統和質量系統的等效性，也使模型的節點數和單元數維持在一個較少的水平，提高了計算效率採用文中提出的雙主梁模型和傳統的三主梁模型對廣州鶴洞大橋進行了動力特性分析，結果顯示了本文模型的正確性和實用性 -
In chapter 3, by minimizing a quadratic model restricting next search direction to a subset of span { - g _ ( k ), d _ ( k - 1 ) }, we propose other formula of parameter ~ ( * ) k convergences of the new method and its hybrid formula are proved under monotone line search. their numerical results show that they are efficient
在第三章中，通過最小化一個限制下次搜索方向在span { - g _ k ， d _ （ k - 1 ） }子集上的二次模型，我們提出了_ k ~ *取新形式或其雜交形式的共軛梯度法是有效的。 -
Finally, compared with the 2d result, the synthetic jet that 3d numerical simulated has a definite direction. the 3d result, however, has a much smaller fluctuation owing to the span - wise instability which created a breakup of coherent vertical structure into smaller scales, it therefore compares more favorably with the measured data in tests
三、三維模擬結果顯示合成射流的方向性極佳，與二維模擬相比較，三維數值模擬的速度波動較二維模擬要小，旋渦的相干結構衰弱，這是因為三維模擬考慮了流動的橫向不穩定性，這更加接近實際情況。 -
This thesis is mainly focused on the analysis method in numerical simulation of mechanic behavior of the long - span cable - stayed bridge in construction and the computer programming
本文重點研究了預應力混凝土斜拉橋在施工過程中的力學行為的數值模擬分析方法及其計算機程序實現。 -
This study aims at the analysis on local hot spot stress in critical components of long - span steel bridges and numerical simulation on the accumulated fatigue damage for the purpose of providing an accurate assessment of the accumulated fatigue damage and fatigue life of the components
本文的研究工作是圍繞著大跨度橋梁在交通荷載作用下，關鍵焊接構件的局部熱點應力分析和相應的疲勞損傷累積分析而展開的，目的為了對這些焊接構件內的疲勞損傷累積的過程進行比較準確的評估。 -
Taking the long span continuous rigid - frame structure of the south bank approach spans of wuhan tianxingzhou changjiang river bridge as the research object, and using the large scale finite element analysis program ansys and two ways of modeling with solid element and spatial beam element, this paper respectively analyzes the dynamic characteristics of the rigid - frame structure of the approach spans, makes a study of the influences of rigidity changes and bearings failure of the thin - wall piers on the dynamic characteristics of the structure of the approach spans and also compares the results of numerical analysis of the two kinds of modeling
摘要以武漢天興洲長江大橋南岸引橋大跨度連續剛構為研究對象，運用大型有限元分析程序ansys ，採用實體模型與空間梁單元兩種建模方式，分別分析了其動力特性，探討了薄壁墩的剛度變化與支座失效對其動力性能的影響，並對兩種模型的數值分析結果進行了比較。 -
Stability coefficient of large span cfst arch bridge is less than that of considering the geometrical nonlinearity, its numerical value decreases approximate 12 % ; stability coefficient of large span cfst arch bridge taking into account geometrical nonlinearity and material nonlinearity is smallest, and the numerical value is about 45 % of elastic stability coefficient
拱肋的最大橫向位移為1 . 126米，說明對在該橋型運營實行監控檢測時，可以把雙重非線性分析所得的最大位移作為參考依據。幾何非線性對大跨度鋼管混凝土拱橋的穩定性影響較小。考慮幾何非線性后，穩定系數僅下降了12 。 -
Physical simulation and numerical analysis on dynamic construction behavior of large - span flat tunnel
大跨度扁坦隧道動態施工的相似模擬與數值分析研究
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