過深樁 的英文怎麼說
中文拼音 [guòshēnzhuāng]
過深樁
英文
overdriven pile-
Based on the close analysis of the influence factors of the vertical bearing capacity, circular aperture extension theory is employed to establish the computing formulas for the pile vertical stress and the foundation vertical bearing capacity, respectively. moreover, with analyzing the features of the calculation parameters such as materials of gunite mortar, jet pressure, diameter of the jet pipe, pile length, pile layout, a design theory for chemical churning pile composite foundation is proposed. then, the variation of the pipe deformation with loads, the deformation coordination of pile and soil are studied
在此基礎上深入探討了旋噴樁的樁土受力特性及其復合地基的加固機理,從影響旋噴樁復合地基豎向承載力的因素入手,基於圓孔擴張理論給出了樁體豎向應力及旋噴樁復合地基的豎向承載力計算公式;通過對噴射漿液、噴射壓力選取、噴射直徑估算、樁長及樁位設計等各種計算參數的深入分析和研究,提出了一套相應的旋噴樁復合地基設計計算方法;通過計算分析,深入探討了旋噴樁復合地基變形隨荷載變化規律、樁和樁間土變形協調關系、樁土應力比及復合地基壓縮模量的確定,並提出相應的設計方法和修正參數;此外,結合工程應用,對旋噴樁復合地基的施工技術及其現場質量檢測方法進行了較全面的探討。Based on the construction of large diameter pile foundations at deep water riverbed without overburden for the shengmi bridge in nanchang, the construction difficulties and construction control key points involved in the method for bored pile construction with floating gantry are described
摘要通過對南昌生米大橋深水無覆蓋層大孔徑樁基施工實踐,介紹浮式龍門鉆孔樁施工方法中的施工難點和控制重點。By direct shear for and normal triaxial shear tests of non - saturated desert sand, the parper studied the effect of water content and dry density on the strength of the non - saturated desert sand, and set up the code of this sand. based on the plane strain test of non - saturated desert sand slope, the paper analysed the destruction way of the excavaion side during the construction by means of adding water, and brough forward a formule that calculates the allowable of excavation and pile hole
通過非飽和沙漠砂直剪試驗和常規三軸剪切試驗,研究了含水量和干密度對非飽和砂強度的影響,建立了這種砂的強度準則。通過非飽和沙漠砂邊坡室內平面應變試驗,分析了沙漠井場浸法施工中就基坑壁的破壞方式,推導出了基坑和樁孔容許開挖深度的計算公式。Based on nonlinear finite element theory, stress and deformation behaviors are analyzed after ground stabilization and foundation pit reinforcement with deep mixing method. by comparison of the conditions of treatment and non - treatment of two examples respectively, the results indicate that the match ratio scheme used for deep mixing method is more ideal when soft clay is stabilized in this area of fuzhou in the thesis. this scheme not only can fully utilize industrial waste material, but also can economize construction cost
對于加固土的工程特性,本文以非線性有限元理論為基礎,模擬分析水泥攪拌樁加固地基和基坑支護加固的應力和變形情況;通過兩個例子分別在有處理和無處理情況下的對比,利用固化劑最佳摻入比來設計地基處理方案,並運用非線性有限元方法計算出土體內大小主應力的分佈情況以及變形情況,結果表明本文所得出的配合比方案用於深層攪拌樁法來對福州地區軟粘土進行地基加固時還是比較理想的,這樣不僅充分利用工業廢料,還可節約工程造價。Mechanical impact dynamics is used to analyse the production and spread of stress wave when hydraulic pile hammer hammerblows piles, the stress wave influence the course of driving pile. slender hammer that is equal to wave resistance of the pile can bring ideal stress waveform. when the hammer weight is constant, efficiency of driving pile can be increased by means of selecting drive cap and cushion pad of different rigidity to match the hammer according to various geological condition and the pile. the structure and principium of hydraulic system of double - acting hydraulic pile hammer with double cylinders is studied in detail in the paper, the hydraulic system and electric control system of six - ton - double - actin hydraulic pile hammer with double cylinder is designed on the basis of it
本文應用沖擊機械繫統動力學分析打樁過程中錘體與樁撞擊時應力波的產生、傳播以及該波對沉樁過程的影響。認為與樁等波阻的細長狀錘體能夠產生理想的應力波波形;在樁錘重量一定的情況下,可針對不同的地質情況和樁,通過選擇不同剛度的樁帽和樁墊與其匹配來提高打樁效率。本文對雙缸雙作用液壓打樁錘液壓系統的結構和工作原理進行了深入的研究,並在此基礎上設計出六噸雙缸雙作用液壓打樁錘的液壓系統和電控系統。In which, it gives inquiring of the construction of deep - water foundations and the usage of floating crane. the construction program of bridge pier foundation will be fixed according to the water depth. if the water depth is less than 4m, pier foundation will adopt the method of building island by earth filling ; if the water depth is more than 4m and there is over burden at river bed, at the same time, it has sufficient bearing capacity to load steel pipe pile, the steel pipe pile platform will be adopted
其中,對深水基礎的施工及浮吊的使用進行了探討,根據水深確定橋墩基礎的施工方法,對水深不超過四米的橋墩基礎,採用填土築島的方法:對水深大於四米,河床有覆蓋層,且能保證鋼管樁具有足夠的承載力的橋墩,採用鋼管樁平臺;對主河道上河床沒有覆蓋層,鋼管樁無法插打的橋墩,採用浮式平臺。At first, based on the results of field pile tests, conclusions are made that the resistance of expanded branches or plates behaves mainly as end - bearing force, and this new type of pile can be classified as multi - end - bearing piles with friction
首先,通過現場試驗結果,深入分析了擠擴支盤樁單樁的荷載傳遞機理,指出擠擴支盤樁的支盤阻力主要體現端承力的性質,並將擠擴支盤樁定性為摩擦多支點端承樁。The same type of cement - soil mixing pile with concrete core, concrete pile and cement - soil pile that means they have the same pile length and pile diameter is deeply analyzed by finite element program. we get the q - s curve, the axis force of pile body curve, the stress of pile curve and the side and the end sharing load ratio of the pile curve by finite element program. with the help of the finite element program, the paper finds the relations between the pile ' s parameter and its bearing capacity and load transferring properties
利用有限元計算分析了同比(樁長相同、樁徑相同)水泥土組合樁、水泥土攪拌樁和混凝土鉆孔灌注樁,得到了它們的荷載沉降曲線、樁身應力曲線、樁身軸力曲線、樁側樁端分擔荷載曲線等,通過這些曲線對它們的荷載傳遞規律以及變形特性進行了深入的分析。In order to find out an economical, practical and reliable supporting method, some relevant technical personnel and i, based on successful experiences and project instances, designed the pre - stress anchor board supporting system, which is to exert pressure on the anchors and to independently support slopes. this system has successed and replaced the pile - anchor supporting system used in past
為探索一種經濟、實用、可靠的支護方法,結合一些成功的經驗和工程實例,筆者與有關技術人員一起設計了預應力錨板墻支護技術,在錨桿上施加預應力,主動、獨立支護邊坡,取代了過去了常用的樁?錨支護體系,並實施成功,成為島城近年來深基坑支護主要技術之一。Thaw settlement cause negative friction. this paper base on the thought of " initiative cooling ", aim at three problems existing in common concrete pile used in frozen soil, a new type of pile is proposed to overcome the disadvantages of the classical pile used in frozen soil. pile body within active layer is fluted and refilled with porous materials such as gravels and ballasts, convection will be occur and then thermal exchange inside porous material in winter while only heat conduction exists in summer, as a result the soil around flutings will be cooled, so the top line of permafrost will be drive up
本文基於「主動冷卻」地基的思想,以及針對凍土地區普通混凝土樁存在的三大問題,提出了一種新型樁的設計思路,運用數值模擬試驗手段對其冷卻機理與加固機理進行了系統研究,即在凍融活動層的深度范圍內,在混凝土樁身的表面刻槽,修築完時槽內填充碎石、塊石等多孔介質,通過外界大氣溫度的自然波動下多孔介質在冬季時存在的對流換熱機制,而在夏季只存在熱傳導,來達到主動冷卻樁周凍土和抬升凍土上限的目的。Some researchers at home and aboard apply model test to deep foundation pit simulation study, most of them are sheeting pile timbering deep foundation pit simulation which is stuffed with sand
國內外學者也曾用模型試驗進行過深基坑模擬試驗研究,但多集中在以砂土作為填料的板樁支護模擬。In this paper, combined with the research project " study on the design, construction and quality monitoring of foundations in karst and mined - out regions along tanshao highway " financed by the department of communication of hunan province, a deep analysis has been made to find out the factors influencing the safe thickness of bearing stratum under the pile tip in karst region. three simplified models are set up to calculate the safe thickness, from which empirical calculation formulas are deduced. and a few important conclusions drawn from the discussion can be used to guide engineering practice, which are also valuable materials for the revision of current criterions later
本文結合湖南省交通廳「潭邵高速公路巖溶及采空區路、橋基礎設計施工與質量監控方法研究」研究課題,以潭邵高速公路為工程依託,通過深入分析巖溶區基樁樁端持力層安全厚度的影響因素,提出了樁端持力層安全厚度計算的三類簡化模型,以此為基礎,推導出了樁端持力層厚度計算公式,並通過討論得到了可用於指導工程實踐的幾點重要結論,可供今後規范的修改參考;本文針對巖溶地區的特殊情況,提出了巖溶區樁基設計方法及具體設計步驟,並借鑒國內外巖溶區樁基的成功經驗,提出了巖溶區樁基設計處理幾種特殊方法,可供同類工程借鑒;另外,本文通過具體的工程實踐,系統總結了巖溶區樁基施工技術及常遇問題的處理方法。With the retrospection of the developing course of the bored pile foundation and combining with my practical experience, the paper expatiates upon the design principle of percent of fit of the stone - fill grouted concrete and the main factors of the influence strength target, and the final pile technique introduction of the hollow pile of the stone - fill grouted concrete and the precast prestressed concrete ; baesd on the theory of slurry hydraulics, empirical calculation formulas of the radis and height of diffuse slurry are deduced in this paper ; it analyzes the test pile materials of the hollow pile foundation, such as luoyang yi river bridge and dangwang jian river bridge ; the new technique of the hollow pile, which provides the generalization and application with base materials, expounds its feasibilities, adaptabilities and economy
本文通過綜合分析國內外鉆孔樁基礎的發展歷程及研究現狀,重點討論了填石壓漿混凝土空心樁、預制預應力混凝土空心樁的成樁工藝、填石壓漿混凝土的配合比設計原理及影響強度指標的主要因素;根據泥漿水力學原理,導得了考慮各種因素的水泥漿液在預填骨料中的流動影響半徑和上升高度;結合河南省洛陽伊河大橋、黨灣澗河大橋工程實踐,討論了填石壓漿混凝土空心樁基礎的質量檢測方法及標準;並在此基礎上,深入分析了樁側、樁端承載能力,提出了填石壓漿混凝土空心樁的設計計算理論和方法。最後,論證了空心樁新工藝的可行性、適應性、經濟性,為大力推廣應用空心樁新技術提供了可靠的技術資料。The first, site experiment is carried out. the paper analyze in - situ testing data of subgrade which is made up of plain concrete pile composite foundation and agitation pile composite foundation including pore pressure, layer settlement of soils between piles, earth pressure, lateral deformations
發現正常荷載下,兩種復合地基路基的受力性狀不一樣,用建築垃圾填土樁距較大的素混凝土樁復合地基,淺層應力向樁體集中,並通過樁向深層擴散,樁間土與樁有較大的相對位移,樁頂和樁端的刺入較為明顯。Through a project example, showing as for deep mixing cement pile, the construction supervision that the fual course of construction is only strengthened, control the critical process, the project quality can be assured
通過某工程實例,說明對于深層攪拌水泥樁,只有加強施工全過程的施工監理,控制好關鍵工序,才能保證工程質量。Abstract : large transmission main pipe line engineering, treated foundation on deep muddy, thick backfilling ground is introduced in this paper, cement mixed combined earth foundation is designed and calculated, pipe bridge 、 pipe pass through dam and etc, technical measures are also introduced
文摘:本文介紹深淤泥厚填土場地大型輸水干管工程的地基處理,水泥攪拌樁復合地基基礎設計與計算及過橋管、過堤管等的技術處理措施。Considering the above reason, this paper, by the action - reaction model in the design theory of underground structure, and by fem, establishes an analysis frame based on the characteristics of the cavern - pile method. the influences of tunnel span, height, overburden depth, and excavation sequence on the cavern - pile method are discussed by a careful interpretation of the modeling result. in addition, a comparison of surface settlement and engineering quantity of the cavern - pile method with those of the binocular excavation method, bench cut method and cd method are made in the paper
本研究主要是依據目前地下結構設計及計算理論中的地層結構法,以有限單元法為計算手段,針對淺埋暗挖洞樁法的自身特點確定了模擬分析方案,並通過計算結果的處理和分析指出了洞室跨度、高度、埋深、施工工序等因素對淺埋暗挖洞樁法的影響規律。Numerical simulation is carried under different conditions, including ( a ) the different distance between deep foundation excavations and the adjacent structures ; ( b ) different supports are used, such as cantilever piles, row piles with one - layer grouted soil anchor, row piles with two - layer grouted soil anchor, row piles with three - layer grouted soil anchor and soil nailings etc. this paper reveal the law of adjacent structures and bracing structures displacements and surrounding soil settlements. anchor and soil nailing ' s impact on the displacements of adjacent structures is analyzed then. further more, we find the law of displacements of bracing structures, surrounding soil settlements, differential settlement and absolute settlements of adjacent structures that may appear in the process of excavation by steps
模擬分析了近鄰建築物在不同距離的條件下,懸臂支護、一層錨桿與排樁聯合支護、兩層錨桿與排樁聯合支護、三層錨桿與排樁聯合支護、土釘支護等幾種支護情況下的深基坑開挖過程,對深基坑工程開挖過程中近鄰建築物的變形、支護結構變形以及基坑外地層沉降的發展變化規律進行了分析總結;對錨桿和土釘支護對建築物變形的影響作了詳細地分析,找到了一些基坑開挖過程中基坑支護結構變形、周圍地層沉降、近臨建築不均勻沉降及絕對沉降的發展變化規律,得到了一些對深基坑工程設計和施工有工程實際意義的結論。At first, i analyses the geological characters, and studies the procedure of the construction of deep water pile foundation of the highway bridges. then i put forward two programs of the construction in this condition : one is the construction of the steel round the barrage before the bore peg ' s, the other is on the contrary, and compare the shortcomings and the advantages of those
本文通過對巖溶地區公路橋梁深水樁基礎施工的地質特徵分析,研究了深水樁基施工程序,提出了在巖溶地質條件下先下鋼圍堰后施工鉆孔樁和先成樁后施工鋼圍堰的兩種施工方案,並對兩方案的優缺點進行了分析比較。Through the practice of deep foundation top - down for youyou international square, some key construction techniques were introduced, including structure of bored and double stirring piles, down - top construction in high - rise buildings, top - down in low - rise buildings, protection of railways, methods for excavation
摘要通過由由國際廣場深基坑逆作施工實踐,著重介紹了灌注樁加雙排攪拌樁止水帷幕圍護體系、主樓順作裙房逆作、電纜翻交、軌道交通四號線保護、挖土施工等關鍵施工技術。分享友人