用樁加固地基 的英文怎麼說
中文拼音 [yòngzhuāngjiāgùdejī]
用樁加固地基
英文
palificaltion-
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。The characteristics of high pressure gyratory sprayed pumping discusses is presented, which is applicable in wide range of scope and ground layers, convenient for construction, long durability, wide source of materials. mechanism for subgrade strengthening : complex foundation of cement solid and earth between piles was formed by pulsant load of flowing pressure and spraying flow, water wallop, cavitation phenomenon, water wedge effect, extrusion force and air flow agitation etc so as to enhance foundation bearing force and reduce settlement and deformation
高壓旋噴注漿技術具有適用范圍、適用地層較廣,施工方便,耐久性好,材料廣闊等特點;其加固地基機理主要是通過流動壓、噴射流的脈動負荷、水塊的沖擊力、空穴現象、水楔效應、擠壓力、氣流攪動等效應形成水泥固結體與樁間土的復合地基,從而提高地基承載力,減少沉降變形。There are many methods of foundation consolidation for civil engineering, such as soil exchange method, prepress method, dynamic consolidation method, vibrancy rushing method, soil and podsol dense pile method, sand pile, cement - coal - powder and gravel pile method, deep mixing method, high - pressure eject masonry, etc. the dynamic consolidation and deep mixing method ( dmm ) are very common in project construction
目前國內外地基處理的方法很多,主要的地基處理方法包括:換填法、預壓法、強夯法、振沖法、土和灰土擠密樁法、砂樁法、水泥粉煤灰碎石樁法、深層攪拌法以及高壓噴射注漿法等。其中強夯法和深層攪拌法是工程建設中較常用的加固方法。The primary purpose of this paper is that gives a particular explanation of the work principle and construction technique for the dynamic consolidation method and ddm. it also provides the evaluating schemes for foundation consolidation. so we can get some useful methods for foundation consolidation in civil engineering
文章的最終研究目標是詳細說明強夯法和深層攪拌樁加固技術的工作機理及施工工藝方法,並提出相應的地基加固評價選用方法,從而為工程建設中進行地基處理提供方法和依據。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。According to the theory, the method of using half - rigid pile reinforce the embankment below the corbel of the approach slab which form a composite foundation and realize rigidity gradation, is put forward in this paper and the formula to calculate pile - soil stress ratio in light of visic curvity expansive theory is also deduced here which can be used in design
應用這一理論,本文提出了採用半剛性擠密樁復合地基加固橋頭搭板枕梁下路堤實現,路、橋的剛柔過渡方法。針對低強度半剛性擠密樁計算理論的現狀,本文應用魏西克( visic )擴孔理論推導了計算樁土應力比的理論公式,可供設計階段採用。The application of lime - soil compaction pile in strengthening collapsible loess foundation
灰土擠密樁加固濕陷性黃土地基的工程應用In order to search after its applying to expressway roadbed improvement, this paper studied consolidation characteristic and distortion law hi soft soil under positive and negative action, introducing parse explain and numerical calculation theory. additionally, based on locale experimentation, the design and construction method of vhlcp was implemented and its reinforce effect and economical character was estimated. testing indicated that the groundwork ' s intensity have increased 97 %, silt soil have vanished and outlay have saved 39 %
根據現場試驗,確定了適合於高速公路工程要求的真空堆載聯合預壓的設計和施工方法,並分析評價了其加固效果和經濟性,試驗表明:應用真空堆載聯合預壓后,地基強度平均提高了97 ,地基中淤泥質土已消失;與粉噴樁加固地基相比,節省經費39 。To have a further study of the new type soft subgrade reinforcing system of geocell reinforced gravel mattress and gravel pile composite foundation of its mechanism of load capacity and settlement development, three comparative model tests were designed and carried out under the direction of similarity theory and similarity criterions deduced through dimension analysis method
摘要為深入研究土工格室碎石墊層碎石樁復合地基這一新型多元復合地基加固體系的承載力和沉降變形機理,應用量綱分析法推導了土工格室碎石墊層碎石樁復合地基模型試驗的相似準則,根據相似理論設計和完成了3組具有可比性的模型試驗,獲得大量荷載沉降、樁土應力比和應力分佈數據。Analysis based on a large amount of data about the load - settlement, pile soil stress ratio and stress distribution obtained from the model tests shows that in the horizontal - vertical multiple reinforcing system, the horizontal reinforcing function of the geocell reinforced gravel mattress, the vertical reinforcing function of the gravel pile, the system of load transfer and supporting formed through interaction and working together mechanism between gravel pile composite foundation and geocell reinforced gravel mattress are the main mechanism of its load capacity improvement, settlement and asymmetrical settlement reduction
試驗結果分析表明:在土工格室碎石墊層碎石樁復合地基這一水平向豎向多元復合地基共同作用的加固體系中,結合了土工格室碎石墊層的水平向增強體作用和碎石樁的豎向增強體作用;土工格室碎石墊層和碎石樁復合地基相互作用,共同工作構成的荷載傳遞和支撐體系是其提高承載力,減少沉降和差異沉降的主要機理。The application and analysis of vibro - replacement stone column in foundation reinforcement
振沖碎石樁加固地基的應用與分析The paper puts forward the mechanism of pile reinforcement of soft soil ground and the technical process of its construction, and discusses its application in highway construction and technology of quality examination
摘要文章論述了粉噴樁加固軟土地基的機理和施工工藝流程,探討了其在公路建設應用中的質量控制和質量檢測技術。Based on the study idea of the former pile else, this paper has conducted and discussed the mechanism of consolidation, settlement calculation and optimization design of the pcc pile according to the test in situ results and reasoning. it includes the followings in detail : ( 1 ) compared with the precast tube concrete pile and tube sinking concrete pile, the merits and shortages, construction machine, construction technology of the pcc pile and pcc pile composite foundation are introduced in detail to make the pcc pile be known completely by engineers
本文在借鑒其他樁型的研究的基礎上,通過現場試驗研究和理論推導,對pcc樁處理軟基加固機理、沉降計算和優化設計等進行了較為深入的研究和探討,具體包含以下幾方面的內容: ( 1 )在與預制管樁和沉管灌注樁等樁型比較的基礎上,對pcc樁的優缺點、施工機具設備、施工工藝、技術作用機理以及pcc樁復合地基技術特點等進行了述評。Considering that the load was added in steps, dynamic design based on in - sile test parameter is an effective and practical method. based on the author ' s experience of djm composite ground engineering, and two projects of highway djm composite ground, it systemically analyzed and summarized the in - site test result as well as the settlement deformation, pore water pressure dissipation, deep horizontal displacement, stress ratio, stress of pile. etc. it also compares the in - site test results of djm composite ground with or without rigid bearing stratum, and draws many practical conclusions
根據筆者多年粉噴樁加固路基工程的經驗,結合兩個高等級道路粉噴樁加固路基工程實例,全面系統地分析和總結了現場試驗路段試驗結果,對攪拌樁復合地基沉降特性、孔壓消散特性、深層水平位移特性、樁土應力比、樁身應變等作了深入細致地分析,對有硬持力層和無硬持力層(浮樁)的粉噴樁復合地基現場試驗結果作了對比,得到了許多有應用價值的結論。The present paper, based on practice of dynamic compaction to eliminate sandy soil liquefaction on shi - an expressway, is presenting a penetrated analysis of working properties and mechanism of consolidation of dynamic compaction. some construction co - efficient have also been presented for reference in highway construction. meanwhile, in combination with the flat board static load tests, a simple and easy - to - look analysis model has been proposed for composite ground of macadam ( fly - ash ) the present paper concludes that dynamic compaction for treatment of sandy soil liquefaction is an effective approach
本文結合石安高速公路建設中採用強夯法處治砂土液化地基的工程實踐,對強夯法的工作性狀和加固機理做了剖析,對強夯施工參數提出了在公路領域中的選用特點和方法,同時,結合野外的平板靜載試驗,提出一個簡單直觀的碎石(粉煤灰)樁復合地基分析模型。The results indicate that this method can minish settlement largely, decrease level thrusts on bridge abutment, make the settlements transition, improve the bearing capacity of foundation soil and its economic benefits are notable. the results of field test show that low intensity piles can put into widely use in soft foundation of express way
研究結果表明,採用低強度樁復合地基加固橋頭軟基時,可以採用變樁長、變間距的設計思想,使沉降逐漸過渡,減輕橋頭跳車的危害,並且還可以減小沉降和深層土體水平位移,減小對橋臺及其樁基的水平推力,提高地基承載力。According to the test results, the deformation characteristics of level soft - soil foundation and slope soft - soil foundation under the load of embankment are analyzed. the effects of driven piles and stabilizing piles reinforcements are compared. the respective influence of the two reinforcement means upon foundation deformation is discussed and useful suggestions on how to use the two means are finally put forward
根據試驗結果,分析了水平軟弱土地基與斜坡軟弱土地基在路堤荷載作用下的變形特性;比較了打入樁加固與抗滑樁加固的效果;探討了兩種加固方案的對地基變形的影響,並對兩種加固措施的使用提出了建議。Stone pile is of great effects to the rate of ground consolidation, but increasing the bearing capacity is restrained, although cfg pile is effective to increase ground bearing capacity, it is of little effect to ground consolidation
碎石樁可以加快地基土的固結速率,但提高地基承載力的能力是有限的; cfg樁雖然可以大大提高地基承載力,但加快地基土的固結作用不大。The action mechanism, construction technology of deep cement mixing pile and inspection for the project as well as the advantage of using deep cement mixing method to consolidate soft soil foundation were expounded in the paper by the actural example of the coal yard expended southward of no. 1 and no. 2 berths of the phase two project, beilun
通過北侖港區二期1 、 2泊位煤炭堆場南延工程實例,闡述了深層水泥攪拌樁的作用機理、施工工藝、工程檢驗以及應用深層水泥攪拌樁加固軟土地基的優點。Jet grouting is a foundation treatment method that a high - velocity grout, which is forced under high pressure out of a nozzle, cuts into the soil to form a cylindrical soil - cement solidification, and with the result of that the bearing capacity of the foundation is enhanced and the settlement and the differential settlement are reduced. this process is widely used in constructional engineering, highway bridge, coal mine and railway bed
旋噴注漿法可在地層深處將水泥漿液等以高壓旋轉沖切土體,形成水泥土圓柱加固體,構成旋噴樁復合地基,以達到加固地基,提高承載力和減少建築物的沉降和不均勻沉降的目的,在我國建築工程、公路橋梁、煤礦和鐵路路基等建設工程中應用極為廣泛。分享友人