raft theory 中文意思是什麼

raft theory 解釋
扁體理論
  • raft : n 1 筏，桴，槎，木排。2 【軍事】（登陸用的）浮橋。3 〈美國〉（妨礙航行的）流木，浮冰，水鳥群（等...
  • theory : n. 1. 理論，學理，原理。2. 學說，論說 （opp. hypothesis）。3. 推測，揣度。4. 〈口語〉見解，意見。
  1. Some suggestions about the pile raft foundation designed on the spatial truss theory are proposed, and the tentative design of an eighteen story frame - tube building and the field observation for the pile raft foundation in all the processes of construction are also presented

    摘要提出了按空間桁架理論設計樁筏基礎的建議，並對18層框筒結構進行了試設計和施工全過程的現場實測。
  2. In this paper, we introduce in detail some kinds of views how to choose subsoil models correctly and how to determine computation parameters for subsoil models, and we analyze their system with reaction theory and establish balancing matrix equation of pile - raft interaction

    在本文中，我們就地基模型和計算參數選擇進行了詳細的介紹，並用共同作用分析方法對該系統進行了分析，且建立了共同作用的矩陣法方程。
  3. Two different raft analysis theories, namely, plate theory and thick raft theory, are also introduced in the paper

    本文還分別介紹了兩種採用不同假設的筏板計算理論：薄板理論和厚板理論。
  4. In designing and calculating plate of piled - raft foundation, thick - plate theory has been applied, that is, thick - plate finite element method is mainly used when load and deformation of plate are analyzed

    樁筏基礎筏板的設計、計算採用厚板理論分析，主要用厚板有限元法來分析筏板的受力、變形特點。
  5. The raft rigidity directly affected by the dimensions of the board, however, were neglected in the traditional analyzing of substratum settlement except of the elasticity theory method

    除彈性理論法外，其它常用的設計和分析方法幾乎都沒有考慮筏板剛度對下臥層沉降的調節作用。
  6. For the first time, based on frame structure with large thick raft plinth and many engineering examples, analytic method of interaction that means the analysis on three parts above as a whole with a full consideration of interaction thereof that met the need of the deformation correspond on the boundary was used to research on the interaction of structure and groundsill in this paper. and five models were adopted, which were : ( 1 ) a tube with symmetrical double - axis structure and symmetrical loads, ( 2 ) two tubes with symmetrical double - axis structure and symmetrical loads, and ( 3 ) a tube with symmetrical single - axis structure and symmetrical loads, and ( 4 ) two tubes with symmetrical double - axis structure and unsymmetrical loads, and ( 5 ) two tubes with unsymmetrical structure and loads. based on the middle - thick slab theory from mindli and the model for groundsill from winkle, the deformation character of raft foundation and the distributing rule for resisting force of fundus were studied in details by using b ig - style fem ( finite element member ) software, ansys

    本文結合了大量的工程實例，以大底盤框架厚筏結構形式為研究對象，針對單個和多個塔樓布置於同一個大底盤框架厚筏基上的復雜結構體系，分（ 1 ）一個塔樓：結構布置雙軸對稱，荷載對稱的情況； （ 2 ）兩個塔樓：結構布置雙軸對稱，荷載對稱的情況； （ 3 ）一個塔樓：結構布置單軸對稱，荷載對稱的情? ； （ 4 ）兩個塔樓：結構布置雙軸對稱，荷載不對稱的情況； （ 5 ）兩個塔樓：結構布置和荷載均不對稱的情況等五種組合情況，全面系統地探討了上部結構?基礎?地基相互作用的大跨度基礎、基礎板變形特徵及其基底反力的分佈規律。
  7. If this type raft foundation still is analyzed with the classical theory of thin plate, the limitation is obvious

    對于這類樁筏基礎，若仍然採用經典的薄板理論進行分析，就存在一定的局限性。
  8. With the increasing of raft foundation thickness, the hypothesis of kirchhoff will be invalid due to the incapable neglecting of transverse shearing deformation. the correct solution can not be deduced through theory of thin plate any more since the influence of transverse shearing deformation does not take into account

    隨著板厚度的增加，橫向剪切變形不可忽略， kirchhoff假設不再成立，薄板理論已不能給出正確的解答，橫向剪切變形的影響必須加以考慮。
  9. The data regression processing method based on fuzzy mathematics theory is proposed to get the middle frequency band simulating result based on finite element result of low frequency band and statistics energy analysis result of high frequency band to get a complete frequency band result and solve the middle frequency band result processing problem in the simulation of floating raft isolation system

    摘要為了解決浮筏隔振系統模擬結果的中間頻段數據處理問題，基於浮筏隔振系統低頻段的有限元分析結果和高頻段的統計能量分析結果與試驗結果的對比分析，提出採用模糊理論進行數據回歸處理來得到中間頻段的模擬結果，從而提出一種估算浮筏隔振效果的方法。
  10. The character of some piles, maybe all the piles, in piled raft foundation is nonlinear, so elastic theory can not be used to calculate the settlement of piled raft foundation

    沉降控制復合樁基工作時部分或全部樁達到一定程度的非線性狀態，因此不宜採用彈性理論來計算基礎的沉降。
  11. However, soil consolidation has important effectiveness to the system of pile - soil - raft interaction, it has significant value in theory and practice to consider the factor of soil consolidation when we study the mechanism of interaction

    但是由於復合樁基在軟土中應用較多，土體的固結問題就無法迴避，考慮土體固結的樁?土?承臺非線性共同作用理論和分析方法需要進一步的探索和研究。
  12. Based on optimal control theory and equivalent optimal control theory, the optimal control method of elastic floating raft under shock and stochastic load is studied and the optimal control method and optimal parameter design method of the nonautonomous rigid - elastic coupling floating raft system are established

    摘要在理想最優控制理論和準最優控制理論的基礎上，對沖擊和隨機荷載聯合作用下，彈性浮筏系統的最優控制方法進行研究，建立了剛彈耦合非自治浮筏系統的最優控制方法和最優參數設計方法。
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