現場承載試驗 的英文怎麼說
中文拼音 [xiànchǎngchéngzǎishìyàn]
現場承載試驗
英文
field bearing test- 現 : Ⅰ名詞1 (現在; 此刻) present; now; current; existing 2 (現款) cash; ready money Ⅱ副詞(臨時; ...
- 場 : 場Ⅰ名詞1 (平坦的空地 多用來翻曬糧食 碾軋穀物) a level open space; threshing ground 2 [方言] (...
- 承 : Ⅰ動詞1 (托著; 接著) bear; hold; carry 2 (承擔) undertake; contract (to do a job) 3 (客套話...
- 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
- 現場 : 1. (出事地點) scene 2. (工作地點) site; spot; on-site; work field
- 試驗 : trial; experiment; test
-
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。Simultaneously, combine with his own work experience, the author gets an advanced detail and general design steps. and then illustrates an actual engineering which is designed with the article ’ s recommendatory method and steps. by combining with the test results, it is proved that the ground treatment result obtains the design requirement and the commendatory method is right, which is able to provide reference value to the engineering
本文首先對加筋土的研究現狀做了詳細的介紹和分析,在此基礎之上,對加筋土地基設計方法做了一定的研究,對地基承載力力設計方法做了對比分析,選擇極限分析法作為本文的推薦方法,並結合作者自身的工作經驗,提出了加筋土地基詳細和全面的設計步驟,然後用一個加筋土地基實際工程為例,採用本文推薦的設計方法和步驟進行設計,並通過現場試驗結果,證明該地基處理達到設計要求,也證明了推薦方法計算的準確性,這對廣大工程師在實際工程操作中有較高的參考價值。By the large quantity of indoor and field soil mechanics test, this paper investigated physics and mechanics property of xigeda stratum and xigeda compounding filling, profoundly and systematically studied on shearing strength, cbr ( including indoor cbr and field cbr ) and intensity feature of xigeda compounding filling. the new achievement and cognition as follows : ( 1 ) cbr value is decided by moisture content and mudstone content of xigeda compounding filling. the filling material can satisfy minimum intensity standard of express highway when mudstone content is less than some fixed value, ( 2 ) this paper established field cbr standard value which can synthetically evaluate the filling material nature and field compaction degree. ( 3 ) the optimal compacting mean of xigeda compounding filling is hard oscillation first and weak oscillation later, not traditional way which is weak oscillation first and hard oscillation later. ( 4 ) this paper put forward the conception of optimum moisture content in construction different from optimum moisture content of indoor impaction
本文以昔格達填料強度特徵為研究對象,通過大量的室內及現場試驗,從昔格達地層巖組的物理力學性質、昔格達填料的物理性質入手,對昔格達填料的抗剪強度、室內承載比及現場承載比特徵進行了較系統地研究,獲得了如下認識及進展:昔格達混合填料承載比值受填料含水量及其中泥巖含量的影響,當泥巖含量小於一定值時,昔格達混合填料具有較高的承載比值,能夠滿足高速公路對填料的最低強度要求;建立了綜合評判昔格達填料性能及現場壓實效果的現場承載比( cbr )標準;對于昔格達填料而言,最佳的碾壓方式為先強振后弱振而不是傳統的先弱振后強振;提出了與室內擊實最優含水量相區別的施工最佳含水量的概念。The paper is based on innumerable practical heavy - load road data, deliberate heavy - load standard in detail through theoretical arithmetic, and bring heavy - load standard about cement concrete pavement and asphalt concrete pavement separately ; in the meantime, through a large quantity of cement concrete pavement stress calculation, the paper puts forward relation expression between load on concrete board and stress level under board ; meanwhile, the paper puts forward traffic classification about cement concrete pavement and asphalt concrete pavement ; through bearing board testing on each structure sheaf the paper finds the material modulus gets modified ; through comparing position equivalent rebound modulus to theoretical equivalent rebound modulus, the paper points out limitation of nomograph in course of cement concrete pavement design, whereby, puts forward modifier formulas about theoretical equivalent modulus
本文以大量的重載道路資料為主,從實際出發,結合理論計算,對重載標準進行了詳細的討論,分別給出了水泥混凝土路面與瀝青混凝土路面的重載標準了;同時,通過大量的水泥混凝土板底應力計算,推導出了混凝土面板荷載與板底應力水平的關系式;給出了水泥混凝土路面與瀝青混凝土路面的交通分級;通過對試驗路各結構層進行承載板測試,發現現有材料模量較以前有了明顯的提高;對比現場實測的當量回彈模量與理論當量回彈模量,指出現有水泥路面設計中的諾謨圖不能完全符合現有道路材料,從而提出了對理論模量的修正公式。By the check - out, inspection and measurement to start construction the industrial art to this test pile with the examination between stake body mass and bearing power, made sure the stroke reasonable operation method drilling under the dissolved cavern geology term ; the pier foundation loading test expressed the lading and rub the lading that resistance drag a glazing for of relation, and to the borehole cast - in - place concrete pile in the karst terrain deliver with break the mechanism, the characteristic of bearing power, proceeding the spot test job of the full of result ; the test data expresses the stake side friction resistance to rises with a bat batch terminal friction resistance very important function, the of tip of pile resistance drag occupies the proportion very few
通過對本次試樁施工工藝的檢測和樁身質量及承載力的檢驗,確定了沖擊鉆在溶洞地質條件下的合理使用方法;基樁承載實驗表明了荷載與摩擦阻力之間的關系,並對巖溶地區的嵌巖灌注樁的荷載傳遞和破壞機理、承載力特性,進行了富有成果的現場測試工作;試驗數據表明樁側摩阻和支盤端阻起很重要的作用,樁端阻力所佔比例甚少。這與設計樁基時的計算模式相差很大,承載力也較設計增加;使用力學數值分析方法和有限單元法,對鉆孔灌注樁樁端下的巖體強度和結構穩定性方面進行模擬計算和定量研究。On the basis of predecessor work, the thesis developed fem program of the pile under lateral load, which is based on winker ground model, and m method is introduced into fem program. the calculation values is closed to the results of field and laboratory model experiment, the finite elment method is verified
在前人所做工作的基礎上編制了基於文克爾地基模型的有限元計算程序,將水平承載樁的「 m法」引入計算程序中,並用現場試驗資料和本文的模型試驗結果與數值計算結果進行了對比,結果表明較為吻合,驗證了程序分析pcc樁水平承載的正確性和可靠性。Standard test method for cbr california bearing ratio of soils in place
現場測定土壤加利福尼亞承載比的標準試驗方法At first, based on the results of in - situ load tests, the load - settle curves are acquired, and the effects of different reinforcement parameters are presented. these parameters include the linear density ratio ( ldr ) ; the location of the top layer of the geobelt measured from the bottom of the load plate ( u ) ; the different materials of geobelt ; the number of reinforcement layers ( n ) and the distance between the two layers of geobelt ( a h ). these results show that the bearing capacities of the reinforced composite foundation can be improved and the settlement can be reduced
首先,通過現場載荷試驗,獲取了加筋墊層復合地基荷載-沉降曲線,從筋帶鋪設的密度、筋帶的首層間距、不同筋帶材料、加筋層數以及雙層筋帶的層間距等幾個方面分析了以上加筋參數對加筋復合地基承載力的影響,指出筋帶的存在提高了加筋復合地基的承載力,減小了沉降。Consequently, to optimize the appearance and structure design of retaining walls, especially to have a deeper understanding of the bearing mechanism of various retaining walls and select city retaining wall type reasonably are of great engineering significances and potential economic effect. based on a thorough analysis of the character and mechanism of city - retaining - wall structures, the design theories, construction technology, new wall types and development tendency are deeply discussed. besides, the characteristics of various types of city retaining wall are discussed, and the usual methods for earth pressure calculation are summarized
本文在綜合分析目前常用城市擋土結構的特點及其受力特性等基礎上,針對一般擋土墻設計理論、施工技術、新型結構以及未來的發展趨勢進行了深入探討,論述了城市擋土結構的特點,並對常用土壓力理論進行了綜述,介紹了城市擋土墻常見的類型,並介紹了常規的設計理論和方法;通過分析比較,優選出錨桿擋土結構和砌塊式擋土結構,並從錨桿錨固原理出發,結合工程實踐和大量現場試驗、對錨桿的抗拔承載力進行了深入研究,提出了用調整雙曲線模型法計算錨桿抗拔承載力的方法,對土壓力計算方法進行了探討,對其設計計算方法進行了研究。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。Based on the static loading test and stress testing of piles in situ of the project " taiyuan second long - distance telegraphic hinge ", some researches below have been conducted in this paper. the paper consists of the following two parts : the comparisons of load transfer feature of the resistance among the four types of piles ( that is, the normal cast - in - situ pile, the cast - in - situ pile with post - pressure grouting, the cast - in - situ pile with expanded - base, the cast - in - situ pile with expanded - base and post - pressure grouting ), the bearing capacity of piles affected respectively by the two types of construction technique
本文結合某工程的樁基現場靜載荷試驗和樁身應力測試試驗,對比、研究了同一場地中相同樁長的普通灌注直樁、后注漿灌注直樁、擴底灌注樁和擴底后注漿灌注樁四種樁型的承載力特性、樁身軸力和樁側摩阻力的分佈特性,闡述了擴底后注漿樁的樁身軸力傳遞規律和側阻力發揮性狀,分析了擴底、后注漿兩種施工工藝對試樁單樁承載力的影響。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。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。Based on plate loading test in - situ, the method of geddes " formula, finite element method and the relative theory of method of code, the paper makes a thorough study on the bearing capacity and settlement of vertically loading cast - in - situ piles with expanded branches and plates, and the major results are as follows : ( 1 ) based on the results of plate loading test in - situ, the single pile settlement behavior is analyzed. it is pointed out that its load - settlement ( q - s ) curve as tardy deformation
本文結合現場靜載荷試驗、 geddes公式法、有限元法和《規范》法中的有關理論,對擠擴支盤樁在豎向荷載作用下的承載力及沉降進行了研究,主要表現在以下幾方面: ( 1 )在現場靜載荷試驗結果的基礎上,分析了擠擴支盤樁單樁沉降特徵,指出其荷載沉降( q s )曲線為緩變形。Abstract : based on the in - situ pressure - grouting experiments and the full - scale pile tests of xinxiang and ligou and yangzhou bridges, the process and effect of jet pressure - grouting are presented in this paper. the mechanism of increasing the performance of bored piles by grouting is also analyzed. an engineering experience of applying the new technique is presented in the paper
文摘:根據新鄉、鞏縣及揚州等地鉆孔灌注樁樁底壓力灌漿現場試驗和樁的靜載試驗,介紹了樁底壓力灌漿的工藝及壓力灌漿的效果,並對壓力灌漿提高鉆孔灌注樁承載力的機理進行了分析,對其推廣應用作了介紹。By series of linear and nonlinear mechanical analysis of the road pavement, and together with series of plate - bearing test and stress test in place, we elicit that marshall mix design method is not fitful for asphalt pavement design. the mechanical property between the asphalt layers is a problem of contact. the contact nonlinear finite element method can get more credible solution than linear finite element method or layer theory does
通過對試驗段路面的線性、非線性力學計算和現場承載板試驗得出:馬歇爾試驗不能如實反映實際路面的受力性能;瀝青混凝土結構層之間通過接觸傳遞應力,接觸非線性模型比層狀彈性體系模型更符合實際,接觸非線性有限元計算結果可以較準確地反映實際路面的力學特性。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。After contrasting and analyzing the main design parameters " test methods of laboratory and field outside, it sets up the correlativities between the field bearing plate modulus and other parameters such as design dynamic modulus, benkleman bean static deflection, field cbr value, consistency and density. by means of laboratory experiment, it assays the influence of the consistency on laboratory bearing plate modulus and laboratory cbr values, and establishes the relationships between laboratory and field values. combined with the project, a more logical sub - grade quality test standard is put forward
通過對路基現場檢測不同方法的對比分析,建立了設計動模量、貝克曼梁靜彎沉、現場cbr 、稠度和壓實度與現場承載板模量的關系;通過室內試驗,分析了稠度對室內承載板、室內cbr的影響,並建立了室內外模量間的關系;在此基礎上,結合工程實際,對不同檢測方法進行了評價,提出了較為合理的路基施工質量檢測標準。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。Based on the static loading test and stress testing of piles in situ of the project " taiyuan second long - distance telegraphic hinge ", some researches below have been conducted in this paper. the paper consists of the following two parts : the comparisons of load transfer feature of the resistance among the four types of piles ( that is, the normal cast - in - situ pile, the cast - in - situ pile with post - pressure grouting, the cast - in - situ pile with expanded - base. the cast - in - situ pile with expanded - base and post - pressure grouting ), the bearing capacity of piles affected respectively by the two types of construction technique
本文結合「太原市電信長途第二樞紐工程」樁基現場靜載荷試驗和樁身應力測試試驗,對比、研究了普通灌注直樁、后注漿灌注直樁、擴底灌注樁和擴底后注漿灌注樁四種樁型的荷載傳遞特徵,分析了擴底、后注漿兩種施工工藝對試樁單樁承載力的影響。分享友人