樁基靜載試驗 的英文怎麼說
中文拼音 [zhuāngjījìngzǎishìyàn]
樁基靜載試驗
英文
pile f0undation static loading testing- 樁 : Ⅰ名詞(樁子) pile; pole; stake Ⅱ量詞(用於事情)
- 靜 : Ⅰ形容詞1. (安定不動; 平靜) still; calm; motionless 2. (沒有聲響; 清靜) silent; quiet Ⅱ名詞(姓氏) a surname
- 載 : 載Ⅰ名詞(年) year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
- 試 : 名詞(古代占卜用的器具) astrolabe
- 驗 : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
- 試驗 : trial; experiment; test
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Directed against the problem on confirming vertical bearing capacity of large diameter cast - in - place pile in the west of coteau area of yunnan province, the paper, analyses the influence degree of the variety of soil physics and mechanics property in area geology condition on bearing capacity of pile foundation, through 5 piles " loading test ; the influence degree of construction technics on bearing capacity of pile foundation under the influence of every exterior factors ; the influence degree of grouting injection around the pile shaft on bearing capacity of pile foundation
本文針對滇西山區大直徑灌注樁豎向承載力確定存在的問題,進行了5根試樁的靜載荷試驗,分析了區域地質條件下土的物理、力學性質的變化對橋梁樁基承載力的影響程度;地下水對樁承載力的影響程度;各種外部因素影響下,樁的施工工藝對樁承載力的影響程度;通過在樁體周圍土中注漿對樁承載力的影響程度。Nowadays, the ways to detect the piles are various, and all of them are limited in some aspects. for instance, coring test do large scathe on the piles, and static load test will waste much time, money and energy, while some ways are hard to operate as the limitation of the length and the diameter of the piles, and the special condition on the spots, such as high - strain, low - strain, and so on. furthermore, the result can only be gained under the complex analysis of the collected wave, and under the validation of the coring test
目前,工程中常用的樁基檢測方法很多,但都存在著一些弊端:有的對樁破壞性嚴重,例如抽芯檢測;有的耗時、耗財、耗力,例如靜載荷試驗;還有的如低應變、高應變等檢測技術由於受到樁長、樁徑以及現場一些特殊情況的限制,操作很不方便,而且採集到的波形要經過比較復雜的處理分析方能得出結論,而這個結論卻還要輔助取芯手段加以驗證。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。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。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。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。The static loading test for three group of testing piles of jiading power plant secend stage project are analyzed and studied in this thesis, and the practical applying of high - accurate data collector, technique of waterproof insulation and testing technique of burying in the body of pile are introduced also. the vertical and horizontal loading features of three group of piles of different kind and constructing technique in different earth layer at the pile point are analyzed and compared and summed up with basic integro - differential equation calculating the pile earth system load transmit, transforming principle of stress - deforming and pile body rating of burying electric measuring element. changing law of stress, and changing law of pile body shifting and bending for different testing piles under vertical and horizontal load are showed so that the loading features of soil layer and pile at testing spot, reliable design data for pile type and base for scientific construction technique are provided
本文僅就嘉定電廠二期工程中的三根試驗樁的靜載試驗進行了分析和研究,利用樁土體系荷載傳遞分析計算的基本微分方程及應力-應變轉換原理,結合預埋電測元件的樁身率定,對三組不同種類、不同施工工藝、不同持力層中的樁的豎直、水平承載特性進行了分析、比較和歸納,通過大量、全面的實測數據,經過整理、轉換和推演,揭示了不同試驗樁在豎直、水平荷載作用下的應力變化規律和樁身變位、撓曲變化規律,最終提供試驗場地土層和樁的承載特性,為該工程合理設計樁型提供了可靠的設計參數,為確定科學的施工工藝提供了有力的依據。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。Load test is difficult to be carried with the development of higher bearing capacity and long length. as a new measuring technology, self - balanced method has its advantage on technology and economy. at present it is first load test method in north american and it has been applied in some province in china
作為一種新興的單樁承載力測試技術? ?自平衡試樁法,其測試技術的優越性及其在經濟上的巨大潛力,目前在北美已被公認為是進行基樁靜荷載試驗的首選方法,在我國的北京、江蘇、甘肅的等地區也已經開始小范圍地試用。The paper sums up the construction technique of qinjiatuo super bridge in all : consolidating the soft ground foundation with vibrating & impacting macadam piles ; constructing the bored cast - in - place piles under the complex geological condition ; developing and researching cable - stayed handling basket with the bearing capacity of 3000kn ; beam construction ; construction technique of the new type bridge deck and dynamic & static load test
本文全面總結了覃家沱特大橋施工技術:振沖碎石樁加固軟弱地基、復雜地質情況下鉆孔樁施工、承載力3000kn斜拉式掛籃開發與研製、梁部施工、新型橋面鋪裝層施工技術及動靜載試驗。Beginning with plentiful experimental bases, some problems about pile - foundation technical criterion are discussed, some suggestions about are advanced, some rules about rock - socketed offect are educed : rock - socketed pile has conclusively rock - socketed offect, and when rock - socketed length achieves a certain value, increasing length will not influence bearing capacity, but base resistance still exists. based on the neural network model of limit load of rock - socketed segment of piles, the analysis method of characteristic parameters is proposed by means of self - organizing character map network
在分析大量的實測資料基礎上,對樁基技術規范中嵌巖樁的承載力計算公式進行了分析探討,認為f _ ( rc )應具體情況具體分析,取值應符合現場實際; s 、 p應在靜載試驗后再確定。In addition, the paper introduces the seismic design of open top floor, the design of steel cover, the test of static bearing capacity of pile and the test of wind tunnel experiment
此外,本文還介紹了空曠頂層的抗震設計:鋼結構屋蓋的結構設計;介紹了樁基靜載試驗和風洞試驗的概況及其試驗成果。Systematical analyses of rules as well as their responding effective aspects of critical displacements for various piles were made by direct shear friction test, model test in room, deep well load test and static load test of pile
摘要通過室內直剪摩擦試驗、室內模型試驗、深井荷載試驗和樁基靜載試驗,研究了各類樁的臨界位移的規律及其影響因素。Experimental studv of pile - soil load transfer behavior of self - balanced pile
橋梁大噸位樁基新靜載試驗方法的工程應用So it is necessary to study the bearing behavior of super - long and large - diameter bored piles based on the tests of several piles of four bridges, which are being constructed in the area of lake dongting, the mechanism of load transfer and the characteristic of bearing capacity are analyzed
因此無論是理論還是實踐都迫切要求對其承載性狀進行研究。作者以洞庭湖區某四座在建大橋的樁基靜載試驗為依託,對該地區的大直徑超長灌注樁的荷載傳遞機理和豎向承載性狀樁進行了研究。Through testing on the static load of a single pile stirred with cement and soil and compound foundation and studying on the relationship between the practical bearing capacity in civil engineering of a single pile stirred with cement and soil and the bearing capacity of compound foundation, it shows that : the practical bearing capacity of a pile stirred with cement and soil can not fulfil the requirement of disign or theory calculation, and resonable discount of calculating the bearing capacity of compound foundation should be considered
通過對水泥土攪拌樁進行單樁靜載荷試驗和復合地基靜載荷試驗,對水泥土單樁承載力在工程中的實際表現以及與復合地基承載力的關系的研究,結果表明:水泥土單樁的實際承載力一般難以達到設計或理論計算的要求,在復合地基承載力的計算中應做適當折減。6. using present theoretics, the author puts forward the theory of calculating the value of n by the modified value of modulus of compressibility a :. the value of k is 1. 1 - 1. 2 in the engineering of nanjing - qidong railway
最後,在現有的理論基礎上,藉助于靜載試驗,提出了採用地基土壓縮模量的k值修正計算樁土應力比n值的方法,並根據寧啟鐵路工程實例取k值為1 . 1 1 . 2 。Correlative function method and variable function method are used to calculate the relevant range of soil layer. the limit capacity of bored pile is determined by the cone penetration tests ( cpt ) and the static loading tests and related statistics parameters are also evaluated. considering the effects of group piles, the action effect is calculated by the settlement of pile foundation and the reliability index of single pile as well as group piles is determined by monte - carlo method
本文選擇臨近場地的四座高層建築地基的全部勘測資料,以沿深度方向的一維平穩高斯隨機場作為樁基土層土性參數的數學模型,利用相關函數法和變異函數法計算土層的相關范圍,由cpt和靜載試驗結果綜合確定鉆孔灌注樁的極限承載力,進而對相同場地各試樁的承載力進行折算后檢驗其概率分佈,並估計有關統計參數:考慮群樁效應確定樁基承載力,由樁基沉降反算其作用效應,由monte - carlo方法計算單樁及群樁的可靠指標。In order to fully develop the theory of squeezed branch piles, in particular, the justification of its superior performance in terms of the bearing capacity and sinking displacement, we have derived the analytical formulas of the axial load and the strain at arbitrary depth ; based on existing static loading test results and research on belled pile, together with the analysis of on - site testing data, we have applied the expand theory on sphere holes to the computation of radial stress of squeezed branch piles under hole expansion ; taking the oil pressure of hole expansion in to account, we have find the a branch force under certain hole pressures, hence we can estimate the maximum bearing capacity of single piles ; we have introduced the experiential formulas for the bearing capacity of squeezed branch piles based on its stress characteristic and pile testing data ; we have also done numerical simulations of squeezed branch piles utilizing finite element method software ansys ; we have matched the simulation res ults with those of on - site basic load experiments, regenerating the distributions of stress fields and strain fields of squeezed branch piles, and from those distributions, we can determine the optimal distances between plates and piles
為了完善支盤樁的設計理論,探求支盤樁高承載力和低沉降量的內涵,本文推導出了支盤樁任意深度的截面荷載以及位移隨深度變化的理論公式;基於已有的靜載試驗成果及有關擴底樁的研究成果,從對現場測試數據的分析,將球形孔擴張理論引入到支盤樁擴孔時徑向應力的計算,考慮到擴孔時的油壓數據,求得某一孔壓下的支盤力,據此估算單樁極限承載力;同時根據對支盤樁的受力特點和試樁數據的分析,提出了支盤樁承載力計算的經驗公式;用有限元分析的方法,利用大型有限元分析軟體ansys對支盤樁進行數值模擬,並將模擬結果同現場的靜載試驗結果進行對比,再現了支盤樁在荷載作用下土中應力場和位移場的變化,根據應力場和位移場的變化范圍,指出最佳盤間距和樁間距;為支盤樁的設計和施工提供了一個可量化的設計依據。分享友人