raft foundation 中文意思是什麼

raft foundation 解釋
板式基礎
  • 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...
  • foundation : n 1 建設，創設，創立。2 基礎，根本；根據；地基，地腳。3 基金；捐款；用捐款創辦的事業；慈善機關；...
  1. ( 2 ) study on the effects of the design parameters of the piles, which affect the counterforce on the pile head and the sedimentation characteristics of the piled raft foundation. ( 3 ) the principles, methods and processes of balance design method for variable - rigidity were expatiated on the basis of above studies

    理論研究表明:樁距、樁長、樁徑及筏板厚度的變化對樁筏基礎樁頂反力及沉降特性有很大影響，特別是筏板厚度和樁距的變化對樁筏基礎沉降差影響甚大。
  2. On the basis of investigation on the related researching achievements home and abroad, this thesis puts emphasis on studying the counterforce on the pile head and the sedimentation characteristics of the piled raft foundation under the vertical loads, considering the superstructure ’ s effect. and then, this thesis probes into the principles, methods and processes of balance design method for variable - rigidity

    在分析國內外相關研究成果的基礎上，本文主要研究豎向荷載作用下考慮上部結構影響的樁筏基礎樁頂反力及沉降特性，並在此基礎上探討了變剛度調平設計的原理、方法和步驟。
  3. Based on the previous theoretical analysis, two practical projects of pile - raft foundation of high - rise building on soft ground are studied by using the software of pile - raft foundation interaction analysis program pogap. the choice of standing layer for pile, the rational compression modulus of soil under pile, the place of pile and the space between piles, and the reasonable thickness of plate are analyzed, some well - regulated conclusions can be achieved. an experiential equation for choosing the optimal thickness of plate is also given

    根據以上分析，結合兩個軟弱地基上高層建築樁筏基礎的工程實例，利用浙江大學巖土工程研究所編制的pogap樁筏基礎共同作用分析軟體，就樁端持力層的選擇，樁端下臥層壓縮模量合理選值，樁位及樁間距的確定，筏板厚度的合理取值等問題展開分析，得出了一些規律性的結論，提出了筏板最佳板厚取值的經驗公式。
  4. Further more, it is reasonable and advanced that rafts share loads with upper structures and knowledge about pile - raft foundations in high buildings is strengthened. the primary research results of this paper hold great guiding significance and enrich theoretic research of pile - raft foundation

    本文初步的、探索性的研究成果，對現行設計工作有明顯的指導意義，進一步豐富了樁?筏基礎的理論研究。
  5. Considering the stiffened plate as a composite system of grillage beams and slab, the superstructure as an equivalent rigidity plate, a semi - analytical and semi - numerical method, which makes use of compatible analysis of force and displacement among beams and slabs and columns and ground, is developed to analyze interaction between stiffened raft foundation and subsoil considering the rigidity of superstructure

    摘要將彈性地基上的梁板式矩形筏基視為十字交叉梁與平板組合體系，上部結構剛度簡化為等效剛度板，採用半數值、半解析方法，通過梁、板、柱以及地基之間力與位移平衡協調分析，可得到考慮上部結構剛度時梁板式筏基寫地基共同作用的半數值、平解析解。
  6. 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。
  7. By adopting the layering foundation model, the contact element and the substructure method, the three - dimensional finite element analysis for soil, pile - raft foundation and frame - tube applied by the vertical loads is established

    地基土採用分層地基模型，樁土界面採用接觸單元處理，上部結構採用子結構法處理。
  8. 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。
  9. The three - dimensional model of piled raft foundation is created. the result of analysis can be used to show the effect of the raft thickness, pile stiffness, young ' s modulus of soils and the number of piles

    在此基礎上，建立三維非線性有限元模型，分析筏板剛度、樁剛度、土體彈性模量、樁數對基礎平均沉降、不均勻沉降及樁土荷載分擔比的影響。
  10. Currently the specialized design standard for piled raft foundation is not constituted yet

    我國現行規范中尚無樁筏基礎的設計規范。
  11. And in the paper, the optimized design proposals of raft foundation and pile - raft foundation are presented, which can make the raft become thinner and the cost of foundation can decreases much more

    本文對筏形基礎提出了「外弱內強」的地基方案，對樁筏基礎提出了「外弱內強」的布樁方式，從理論上這兩種方法可以使筏基達到優化設計的目標，直接結果使筏板可以大大減薄，降低基礎造價。
  12. Owning to lack of research on properties of thick - raft foundation, the appropriate designing principles and calculation methods are lacked in engineering field. instead the traditional design methods that lack accuracy are used in designing thick - raft foundation. it usually results in too thick raft, and makes the cost of foundation very high

    由於工程界中對于厚筏基礎缺少研究，不了解其具體的受力特性，在厚筏基礎設計方面缺乏成熟的設計理論和計算方法，厚筏基礎仍按常規筏基的設計方法進行設計，往往造成筏板過厚，使基礎造價過高，產生很大的浪費。
  13. 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。
  14. Analysis of piled raft foundation with different lengths and diameters of piles

    樁徑樁筏基礎的分析方法
  15. Analysis and research on engineering application of raft foundation on natural ground

    天然地基筏形基礎工程應用的分析與研究
  16. Research on the calculation of raft foundation settlement deformation of the high building

    高層建築筏形基礎沉降變形有限元計算
  17. The paper also gives practical design and calculation for raft foundation reinforced by steel fiber partly

    針對局部增強的鋼纖維混凝土筏形基礎，提出實用的設計計算方法； 4
  18. With the increase of height of tall buildings in our country, the thickness of raft become larger and larger when raft foundation or pile - raft foundation is adopted

    隨著高層建築越建越高，採用筏形基礎或樁筏基礎時，筏板的厚度也不斷增大。
  19. 4. for a particular engineering, some targets are compared between normal raft foundation and raft foundation reinforced by steel fiber, which proves that the latter is superiority

    針對某一工程，對于普通混凝土筏形基礎和局部增強鋼纖維混凝土筏形基礎進行指標比較，證明後者的優越性。
  20. 3. in prevail algorithm for raft foundation, the paper indicates that the most economic and suitable method is finite element analysis while accounting for rigidity of upset structure

    從現行的筏形基礎的諸多演算法中，指出考慮上部結構剛度貢獻的有限元演算法是其中較為合理和經濟的計算方法。
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