試探樁 的英文怎麼說
中文拼音 [shìtànzhuāng]
試探樁
英文
preliminary pile-
In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test
然後,對巖土工程領域至今尚未解決,甚至不為人注意的考慮地基變形的地基承載力問題進行了實用化的探討,提出了考慮地基變形的地基承載力上程計算方法;對基於彈塑性理論分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎(空間問題)的承載力界限荷載p _ ( 1 / 4 ) ,並與國內外土力學專著及地基基礎設計規范中的條形基礎(平面問題)的界限荷載p _ ( 1 / 4 ) ,進行了對比,從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況;根據本文作者多年從事現場地基工程振動試驗及相關課題的研究工作,本文以截頭錐模型模擬地基,對地基(巖基)承載力的動測法進行了研究,為各類地基(包括巖基) ,匯總了動力分析和檢測川的參數:針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承載力的確定問題,從巖石室內單軸抗壓強度確定、基於彈塑性模型的有限單元法計算、土力學計算及深斤載荷試驗四方面進行了深入討論;本文作者根據多年現場載荷試驗的工程實踐,對深井荷試驗裝置的核心部分? ?反力裝置,設計了側壁支撐反力加載系統,該加載系統具有實用、簡便、穩定及安個等優點。In the process of work, according to complex geological conditions such as huge thick soft clay in site and top surface of possible pile foundation supporting course fluctuating in large amplitude, we adopted many advanced exploratory methods ( just as high accuracy exploration of shallow earthquake, crosshole wave velocity test, vane shear test, pressuremeter test, etc. ), we found out that there is an ancient groove of yangzi river in former plant site, therefore we suggested in time that plant site should properly be moved eastwardly, only this item saved nearly about 50 million for pile foundation project cost
在工作過程,根據廠址區軟粘土厚度大、可能作為樁基持力層頂面起伏變化大等復雜地質條件,採取了多種先進的勘探手段(如高精度淺層地震勘探、跨孔波速試驗、十字板剪切試驗、旁壓試驗等) ,查明了原廠址區存在一個長江古凹槽,並及時建議廠址適當東移,僅次一項就節省樁基工程費用近5000萬元。Based on the result of the comparision static penetrat ion test and field vane shear test before and after the treatment of soft founda tions for a experimental section, and based on four static loading tests for two single piles and two composite foundation, behaviors of soil among piles before and after the construction of powder - spray piles and the pattern of the ch ange of the stress ratio between piles and soil are studied, a new determination met hod for bearing capacities of cement powder - spray piles and composite foundati on is proposed, and the formula for calculation of composite foundation bearing capacity are revised
基於某試驗路段軟基處理前後靜力觸探、十字板試驗的對比測試和對兩根單樁、兩處單樁復合地基進行的4次靜載試驗,研究了樁間土性狀在施工水泥粉噴樁前後的變化和樁土應力比的變化規律,提出了根據靜載試驗確定粉噴樁及其復合地基承載力新的取值方法,並修正了復合地基承載力的計算公式。Abstract : based on the result of the comparision static penetrat ion test and field vane shear test before and after the treatment of soft founda tions for a experimental section, and based on four static loading tests for two single piles and two composite foundation, behaviors of soil among piles before and after the construction of powder - spray piles and the pattern of the ch ange of the stress ratio between piles and soil are studied, a new determination met hod for bearing capacities of cement powder - spray piles and composite foundati on is proposed, and the formula for calculation of composite foundation bearing capacity are revised
文摘:基於某試驗路段軟基處理前後靜力觸探、十字板試驗的對比測試和對兩根單樁、兩處單樁復合地基進行的4次靜載試驗,研究了樁間土性狀在施工水泥粉噴樁前後的變化和樁土應力比的變化規律,提出了根據靜載試驗確定粉噴樁及其復合地基承載力新的取值方法,並修正了復合地基承載力的計算公式。5. combining with field test, the author disputes load transfering mechanism and mode of failue about cement power - sprayed, and studies the relationship of n ( the stress ratio of piles to soil ) to load p. at last, the author summizes the factors to effect n
作者結合現場試驗,對粉噴樁荷載傳遞機理和破壞模式作了探討,對粉噴樁的樁土應力比n與荷載水平p的關系進行了研究,並對影響樁土應力比的因素作了歸納總結。In accordance with the construction of xi ' ning - huangyuan first class highway and machangyuan - ping ' an high - speed highway, based on a good deal of investigation, this paper studies the geologic character and the main physical mechanics of the collapsibility loess in qinghai. this paper also studies the foundation treatment effect with dynamic consolidation, impact rolling, lime pile and lime - soil cushion. to dynamic consolidation, much attention is given to the relationship between the ramming energy and the effective depth
本文結合西湟一級公路、馬平高速公路建設,對青海地區濕陷性黃土進行了大量勘探調查,總結研究了青海地區濕陷性黃土的地質結構特點、主要的物理力學性質及其規律;並通過現場試驗,系統地研究了強夯、沖擊碾壓、灰土擠密樁和灰土換填等地基處理方法的施工工藝及處理效果。The experiential formula between kc and base resistance q from cpt and, the relationship between ke and c # ( strength of concrete ) are also created by fitting 94 pressed pile testing date. based on analyzing the compacting effects caused by driving pile in loess and it ' s influence on bearing capacity and settlement, another two disturbance parameters, c and e, are proposed for multiplying respectively the parameters of soil cohesive c and deformation modulus es to reflect this effect. by fitting 51 driven pile testing date, we created an experiential formula between the e and r ( the modulus ratio between pile and surrounding soil ), also an experiential formula between the c and base friction resistance fs / pa from cpt of pile surrounding soil
在本文中分析了靜壓樁的沉樁擠土效應對其承載力與沉降特性的影響,在計算模型中引入了樁周土粘聚力c的修正系數k _ c和樁周土變形模量e _ s的修正系數k _ e來體現這種影響,通過對94根靜壓樁試樁資料進行擬合,建立了k _ c與樁端土靜力觸探的端阻q _ c之間經驗公式以及k _ e與c # (混凝土標號)之間的對應關系。The collapsible loess is often met during the construction of the high - grade highway in the loess area, and the main failure is the uneven subsidence of the roadbed and the culvert, which affects the safe usage of the roadbed and the culvert, etc. directed against this, based on the chankou - lanzhou freeway construction, the paper analyzes the application of the composite ground formed by lime - soil pile under the bridge and designs the project, discusses the rules of the contact pressure, the stress ratio of the pile and the soil, compares the p - s curves of one pile, the composite ground formed by one pile and the composite ground formed by two piles based on the in - situ plate loading test, evaluates the bearing capacity of the composite ground of the project
黃土地區的高等級公路建設中經常遇到濕陷性黃土問題,其病害類型主要是地基土受水浸濕后引起路基、橋臺、涵洞等的不均勻沉降,直接影響路基、構造物等的正常使用。針對此問題,本文依託甘肅讒口至蘭州柳溝河高速公路建設工程,對橋基灰土樁復合地基應用的可行性進行了深入分析,根據具體工程進行了合理的設計與計算,並配合現場靜載荷試驗及壓力盒實測數據,探討了基底應力分佈規律,樁土應力比,變形模量的變化關系,對比分析了單樁、單樁復合和雙樁復合的p ? s關系,對橋基灰土樁復合地基承載力進行了整體評價。To discuss the feasibility of applying this technique into the practice of engineering, this paper references the real project of the running tunnel from great showplace to scientific house in shenzhen metro, uses the geotechnical centrifuge of southwest jiaotong university, then researches the settlement of the ground and the influence on the pipeline underground in stratum with abundant water by the technique of undraining spin - spay pile, at last draws a conclusion about the principle of the ground settlement with the construction method of excavating soil rich in water without dewatering at shenzhen metro
為了探討離心模型試驗技術這一研究手段在地下工程中應用的可行性,結合地質、水文、結構較為復雜的深圳地鐵大科區間暗挖施工sk3 + 355斷面的具體實例,應用我校新近建成的100gt土工離心試驗機,採用離心模型試驗技術對在富水地層應用水平旋噴樁工藝進行控制降水施工對地表沉降變形及地下管線的影響進行了研究。In this section the author analyses the rules of the pile ultimate tip resistance and the shaft friction resistance distribution and their exertion of cast - in - place socketed piles instrumented with strainometers in soft muddy rock. the second aspect of the paper is the analysis on the current rock pile vertical bearing capacity in the four standards gb50007 - 2002, tb 10002. 5 - 99, jtj024 - 85 and jgj94 - 94, then the design method with correlated formula of socketed piles in xigeda - mudstone is given. at the end of this paper, based on the research of pressure grouting technique in recent years, and combined with in - site test result, this paper puts forward the design and calculation method to grouted pile in xigeda - mudstone and the principle of choosing grouting parameters, which provid es experiences for applying this technique and further studying
本論文結合省級科研項目「西攀高速公路昔格達組泥巖層中鉆孔樁提高承載力的研究」 ,所做的研究工作主要在以下三個方面:一是根據8根樁身內埋設量測元件試樁的單樁豎向靜載荷試驗資料,分析了各試驗樁特別是常規沖孔灌注嵌巖樁在昔格達泥巖中的軸向力、側摩阻和樁端阻力的分佈和發揮規律;二是在討論現行規范對嵌巖樁承載力的計算公式的基礎上,探討了在昔格達泥巖層中的沖孔灌注嵌巖樁的側摩阻和端阻的計算方法,並推薦了相應的計算公式;最後,在吸取近年來對灌注樁后注漿技術研究成果的基礎上,結合現場試驗研究結果,分析了該項技術在昔格達巖層中的應用效果,提出了相應的參數選取,從而為壓力灌漿技術的工程應用和進一步研究提供經驗,並為今後在該地層中合理選用樁型以及指導施工提供了依據。Based on the results of vertical static loading test and stress test for longhole bored pile in loess foundation, by analysing the transferring law of axial force and the action of lateral friction resistance and bottom resistance, the paper discusses the influences of two types of holing technology on bearing capacity behavior
本文通過黃土地基中旋挖鉆孔灌注長樁和泥漿護壁鉆孔灌注長樁靜載荷試驗和樁身應力的測試,分析了黃土地基中兩種成孔工藝鉆孔灌注長樁樁身軸力的傳遞規律、樁側阻力及樁端阻力的發揮性狀,探討了兩種成孔工藝對鉆孔灌注長樁承載力的影響。On the basis of in - site test of piles in two great bridges in one expressway project, this paper investigates the application of this technique applying to cast - in - situ pile in gravel, studies the bearing properties of grouted piles, examines the practicality of high - strain test use in grouted piles and analyses the grouted piles with vesic theory
根據現場樁基動、靜載試驗,對卵石層中樁端壓力灌漿樁的承載特性進行了分析;探討了基樁高應變case法在灌漿樁中的適用性;並應用vesic球形空穴擴張理論對灌漿結果進行了分析。Abstract : the results of hi - lo strain - gauge test on 9 dead - load testing piles are analyzed. the bearing strength of single piles is evaluated preliminarily by using high strain and low strain process and conditions for correlating dynamic and dead loads and technical factors affecting the test accuracy are discussed
文摘:通過對一組靜載試驗樁高低應變動測結果的分析,對高應變法、低應變法檢測單樁承載力的可靠性作出了初步評價,並對動靜對比成立的條件及影響其測試準確性的一些技術因素進行了探討。Someone think it must use permeating theory to design, the others think it must use permeating theory to design. the building ministry made out the working standard of the later pressure grouting of pour pile, but it stand at the industry standard, is n ' t enough perfect and comprehensive. in this paper, the author put forward the design principle by analyzing the reasons that affect the bear load ability of the drilling hole pour pile and the principle that improve the bear load ability of single pile by later pressure grouting, put forward th e working technology and requirement of check before acceptance by analyzing and summarizing several models such as the chinese railway 11 office residential high building
本文通過分析影響鉆孔灌注樁承載力的因素以及鉆孔灌注樁后壓漿提高單樁承載力的機理提出了設計計算的原則;通過中鐵十一局高層住宅樓鉆孔灌注樁低壓力后壓漿工程對6根樁的壓漿對比試驗及鉆探揭露確定了低壓力后壓漿所適用設計理論和方法;確定了低壓力后壓漿的壓漿壓力、壓漿量等參數;經過實驗及經驗總結確定了壓漿材料的選取原則及方法,列出了低壓力后壓漿在不同土層適用的壓漿材料。Through searching on the technical property of such pile, taking two foundation treatments as project background which are soft foundation treatment of wuhan dongxihu segment of the jingzhu freeway in hubei province and bridge foot protection at hebi xingfu eservoir in henan province, this paper carries out test study on active mechanism of crushed stone pile filled with cement slurry and its application in dealing with high earth filled soft ground and bridge foot protection
通過對無砂混凝土小樁技術特點的探討,以湖北京珠高速公路武漢東西湖段軟基處理和河南省鶴壁市幸福水庫公路橋梁基礎加固為工程背景,就無砂混凝土小樁的作用機理及其處理高填方軟基和橋梁基礎加固等方面展開試驗研究。Based on the measured data of more than 100 deep stirring piles in a certain project, combined with static loading test on over 20 piles, this paper deals with the feasibility of using the reflection wave method to detect the completeness of the deep stirring pile body
摘要根據某工程100多根深層攪拌樁的實測資料,並結合20餘根樁的靜載試驗結果,對反射波法檢測深層攪拌樁樁身完整性的可行性進行了探討。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。Based on the static pile testing, the analysis of load transfer and settlement and a new means to reach the bearing capacity of piles are reported in this paper
在現場的樁基垂直靜載荷試驗基礎上,進行荷載傳遞機理分析和沉降變形的階段性劃分,探討了確定單樁豎向承載力的新方法,為工程合理、充分地利用承載力提供參考。This differ with computation modal that design the foundation pier very big, bearing power too than design increment ; usage mechanics numerical analysis device with limited a logarithm of timw fitting method logt, noted the rock strength in stake tip of the borehole cast - in - place concrete pile to proceed with the structure steadiness the simulation compute to study with the fixed amount, designing for the engineering to start construction to provide for science with the spot
本研究結合現場試驗、力學數值分析和有限單元分析,對巖溶地段鉆孔灌注樁的施工工藝、荷載傳遞機理、持力層頂板厚度及嵌巖深度等方面作一些探討性研究,為該工程的設計和施工積累經驗,並為該類課題的進一步研究奠定了基礎。This article aims at the characteristics of a baibie harbor great bridge, by the spot construction test and mechanicses, limited an analysis, dissolve to the construction technics and loading capacity, stake deliver mechanism, bearing stratum and glazing rock depth area curve etc. s of the borehole cast - in - place concrete pile in the karst terrain do the some study research
國內外對于巖溶地區鉆孔灌注樁的研究,主要是針對具體工程的施工方案描述和施工故障及處理措施,對巖溶地段基樁的承載機理及承載力的綜合研究則未見報道。本文針對白墅港大橋的特點,通過現場施工試驗及力學、有限元分析,對巖溶地區鉆孔灌注樁的施工工藝、荷載傳遞機理、持力層厚度及嵌巖深度等方面做一些探討性研究。分享友人