筏基 的英文怎麼說

( 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。

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。

The regularities of pile - top reaction distribution, the carrying load ratio between pile and raft, the settlement and the imparity settlement of foundation in the frame - tube structure and the single wall are influenced by some factors such as the stiffness of the superstructure, the intensity of the soil under the piles, the length and radius of the piles, the distance between the piles, the thickness and the suspended width of the raft

對豎向荷載作用下的空間筒中筒結構、樁筏基礎和地基進行了三維有限元分析。研究整體結構和單片墻結構在上部結構剛度、樁端土強度、樁長、樁徑、樁距、筏板厚度、筏板外挑寬度等影響因素變化時的樁頂反力分佈規律、樁筏荷載分擔比、樁基沉降和差異沉降規律。

A new analytical method for piled raff foundation

樁筏基礎的新型分析方法

Secondly, this paper made some theoretic researches on its engineering classfication and applicable scope for this technology ; then combining with project example, this paper carried out scheme design for this technology, and compared some different kinds of underpinning scheme and node and structure design, and put forward the method of " reinforcce steel bar through column " to build pile cap beam, " resistant bend and shear anchored reinforce steel bar " to strengthen column consolidation effect, and the method of " steel plate hoop " to build reinforcing bar connection of the foundation beam, etc. in the process of the consturction scheme research and implement, this paper synthetically elaborated the organizaton for project construction, put forward the construction technical measure of specific aim on the artificial pile, and pile cap beam, and underground adding layer and structure stabilization, and overall structure stabilization and so on. for this project, adopt reinforcing bar concrete to brace hole wall to ensure the safety of engineering in the artificial pile construction, use flexible connection catch to make the cage hoisting easier to simplify the construction process, use the method of earthwork statified symmetrical balance in the process of underground adding layer excavation

本文首先對于基礎托換與結構加固技術的目的和意義、國內外發展狀況進行了綜合闡述；其次對該項技術工程分類及適應范圍進行了理論上的分析研究；然後結合工程實例對該項技術進行了方案設計，對比幾種不同的托換方案和節點及構造設計，提出了「通筋穿柱法」做承臺梁， 「抗彎抗剪錨筋法」強化柱加固效果， 「鋼板箍法」做地基梁鋼筋連接點等多項技術；在施工方案的研究和實施過程中，對于工程施工組織進行綜合闡述，並就人工挖孔樁、承臺梁、地下加層及結構加固、整體結構穩定等專項施工方案提出有針對性的施工技術措施，人工挖孔樁施工採用鋼筋砼護壁確保挖孔樁的安全成型，使用柔性連接鉤進行鋼筋籠吊裝簡化施工工序；承臺梁施工採用梁主筋橫穿柱身化學膠錨固等；地下加層綜合施工技術採用土方分層對稱平衡開挖，分段挖土做筏基結構自穩等；最後對于該工程實施后的效果分析，說明該項綜合施工技術的可行性。

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。

Spline element - free method for analysis of floating plates on vrasov foundation

符拉索夫地基上筏基分析的樣條無單元法

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。

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。

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。

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。

Based on " the simplified method to analyze soil - pile - raft interactions ", this article considers the raft rigidity of foundations and constructs an iterative algorithm to satisfy the concerted deformation

本文以樁筏基礎簡化共同作用分析方法為基礎，考慮筏板剛度對下臥層附加應力的影響，構造滿足地基基礎間協調變形的迭代演算法。

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。

A pre - processor for the design of raft foundations in a network

網路環境下的筏基前處理程序

Subsoil ; analysis of contact pressure distribution under raft foundations ; explanations and examples of analysis

地基.在筏基下接觸壓力分配的分析.說明和分析示例

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。

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。

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。

Case analysis of piled raft socketed in weak rock

軟巖地基上樁筏基礎實測分析

A contribution to optimum design of piled rafts

樁筏基礎優化設計的新思路