點荷載試驗 的英文怎麼說

中文拼音 [diǎnzǎishìyàn]
點荷載試驗 英文
point load test
  • : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
  • : 荷名詞(蓮) lotus
  • : 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 ...
  • : 名詞(古代占卜用的器具) astrolabe
  • : 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
  1. 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力上程計算方法;對基於彈塑性理論分析的地基承力國內尚未見報道的空間問題得到了圓形基礎(空間問題)的承力界限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? ?樁端巖基承力的確定問題,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、土力學計算及深斤四方面進行了深入討論;本文作者根據多年現場的工程實踐,對深井裝置的核心部分? ?反力裝置,設計了側壁支撐反力加系統,該加系統具有實用、簡便、穩定及安個等優
  2. Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account

    依照宋代《營造法式》建造了抬梁式殿堂木結構構件及結構模型,對中國古代木結構中的典型構造如:柱腳在礎石頂面平擱簡支、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱等的構造機理及結構功能進行了量化分析和實研究: (一)通過木柱石礎靜摩擦,測定了柱腳與石礎古鏡面間的摩擦系數及摩擦力隨上部結構變化的規律; (二)通過單柱承,測定了古建築中木柱的受力變形特徵、破壞模式、及模型材料的變形模量、極限承力、極限變形等參量; (三)通過柱架低周反復,測定了柱架的抗側移剛度、柱架恢復力特性及滯回曲線、榫卯張角剛度及其變化規律、柱架及榫卯的極限承力和極限變形、及榫卯減振參數; (四)通過斗?低周反復和受壓,測定了古建築木構件與木構件間摩擦系數,斗?抗側移剛度,斗?恢復力特性及滯回曲線,斗?抗壓極限承力及受力變形規律; (五)通過抬梁式殿堂間架模型振動臺,測定了殿堂木構架結構自振周期,地震反應振形、阻尼特性及阻尼比;按結構分層特對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多同步測量,對柱根滑移、榫卯變形、斗?的變形、復位、耗能減振參數等進行了定量分析。
  3. In this thesis, studies are focused on as follows : ( 1 ) based on analyzing the general transfer - matrix, the conception of the generalized double layer soil model is proposed, and the transfer - matrix ( r ) of half - infinite elastic mass is introduce - d to the analytic expressions of stress and settlement under the uniform circular, rectangular and strip vertical loads in multi - layered soil ; ( 2 ) according to the analytic expressions of the additional stress and settlement under unifo - rm circular in multi - layered soil, rectangular and strip vertical loads, the programs are develop - ed to resolve and debugged. the results show that the programs are correct ; ( 3 ) through calculating the coefficient of additional stress on the central axis of uniform circ - ular vertical loads, under the corner point of the uniform rectangular vertical loads, and on the central axis of uniform strip vertical loads, and the settlement on the center of uniform circular vertical loads and uniform rectangular loads in double - layered soil, the characters of stress and settlement are discussed ; ( 4 ) a case, as an example, is studied with different calculation methods, such as traditional theory, fem. the results obtained are compared

    本文在已有研究成果的基礎上進一步開展了以下幾方面的研究: ( 1 )在對層狀地基傳遞矩陣法中的總傳遞矩陣分析的基礎上,提出了廣義雙層地基模型的概念,並把半無限體的傳遞矩陣r引入到多層地基在圓形垂直均布、矩形垂直均布及條形垂直均布作用下附加應力與沉降的解析式中; ( 2 )根據多層地基在圓形、矩形垂直均布及條形垂直均布作用下附加應力與沉降的解析式,編制了程序,調通過並證了其正確性; ( 3 )通過對雙層地基圓形垂直均布中心軸線上的附加應力系數和中心沉降,矩形垂直均布下的附加應力系數和沉降及條形垂直均布中心軸線上的附加應力系數進行的計算,探討了雙層地基中的附加應力與沉降特性; ( 4 )應用本文的層狀地基體系理論對一個工程實例進行了計算分析,並與傳統的計算方法的計算結果和有限單元方法的計算結果進行了對比分析,結果表明利用層狀地基理論計算更能反映地基中附加應力分佈的實際情況。
  4. In this thesis, four types of steel beam - rectangular cfst column connections, including normal welded flange plate ( wfp ) connection, bolted flange plate ( bfp ) connection, stiffened end plate ( sep ) connection and double split - tee plate ( dst ) connection, were designed based on the configuration of steel frame connection. total 8 models, 2 models of each kind of connections were tested under low - reversed cyclic loading at the end of cfst columns. the relationships between force and displacement at the end of columns, the relationships between the moment and rotation of the joints, degradations of strength and stiffness, ductility, failure mechanism and failure characteristics of these four connections under different axial - compression ratios were presented

    本文借鑒鋼框架節構造,設計了四種類型矩形鋼管混凝土柱與鋼梁連接節,包括常規栓焊( wfp )節、翼緣全螺栓連接( bfp )節、雙t板連接( dst )節以及加勁端板連接( sep )節,進行了四類節8個模型件在柱端低周反復作用下的抗震性能研究,比較了不同軸壓比下節的滯回性能、強度與剛度退化、延性、破壞機理與破壞特徵,主要結論有: 1 、節的位移滯回曲線與轉角滯回曲線為塊型分佈,沒有或略有捏攏現象,耗能能力強; 2 、軸壓比對節滯回曲線有顯著影響,全部節都有顯著的剛度退化; 3 、位移與轉角骨架曲線在峰值後有較長的水平或下降段,具有良好的延性性能; 4 、從整體抗震性能上看,翼緣全螺栓連接節、雙t板連接與加勁端板連接節都優于常規栓焊節,可在實際工程中加以推廣。
  5. By using 5000kn pressure - bent testing machine, the specimens of boulder concrete and crushed stone concrete were tested through three - point - bending method and wedge - split tensile method, the scale division of the index dial of pressure - bent testing machine is larger, whereas the predicted test - load is lesser, so the velocity of exerted load is controlled through observing the reading of the multimeter which is connected with the collecting systerm in order to continuously exert test - load

    本文使用5000kn壓彎實機,對不同強度等級的卵石混凝土和碎石混凝土件分別進行了三彎曲和楔入劈拉過程中,由於實機噸位較大,而預計較小,為了能夠有效地控制加大小和加速度,採用通過觀察與傳感器相連的萬用表讀數控制加速度的方法,連續加
  6. This paper presents a manufacture and calculating method for castellated beams. according to the method, three beams are designed and tested, the detailed and trustworthy experimental data are obtained. in comparison of the castellated beam with the circular hole castellated beams during the process, that the yield of load and the strength limit for the latter are higher than the former is verified

    本文通過設計製造兩種不同截面形式的3根蜂窩梁( 2根圓孔、 1根六邊形孔) ,進行了兩集中下的,取得了較為翔實可靠的數據,通過整理與分析,對兩種蜂窩梁的整體受力性能和承力作出評價,得出圓孔蜂窩梁的屈服和極限承力都高於六邊形孔蜂窩梁的結論。
  7. Pseudo - static force testing of 1 : 2 scale models of a steel frame with dog - bone connections is first carried out in china in order to obtain elastic - plastic behavior of dog - bone connections steel frames under cyclic loading as well as to analyze collapse characteristic after structural ultimate strength has lost. the influence of dog - bone connection on the coming order of plastic hinges and failure characteristic of steel frame, and the influence of dog - bone ' s shape and position on the behavior of structure is obtained

    通過考察了狗骨式連接平面鋼框架結構在循環作用下的彈塑性性能;了解狗骨式連接對結構塑性鉸出現的順序以及結構破壞形態的影響;了解節處與狗骨處應力發展狀況,探討狗骨削弱的形狀和削弱位置對節性能的影響。
  8. To aim at this problem, in term to the feature of fatigue loading of bridge, this paper, on the base of analysis of current bridge reinforcement, makes a relative system experiment research and theory analysis for the fatigue performance of cfrp - strengthened concrete beam

    本文針對這個問題,在分析現有橋梁結構加固方法的基礎上,根據橋梁承受疲勞的特,對碳纖維布加固混凝土梁的疲勞性能進行了比較系統的研究和理論分析。
  9. Though much progress has been achieved in previous study, there still remains a lot to be studied and perfected. the thesis is devoted to study on the multi - ribbed slab wall, the main bearing member in mrss, including its mechanism, failure mode, aseismic capability, mechanical models, ultimate bearing capacity and aseismic design based on control. the paper mainly accomplished such work as follows : 1 ) based on test research on multi - ribbed slab wall, the paper proposed the member ' s failure modes under horizontal loads, analyzed the co - performance between the inner frame and the infilled silica bricks and that between the slab and the outer frame, discussed the wall ' s bearing capacity, rigidity, deformation, ductility and energy dissipation ability in different modes, and put forward a simplified mechanical model of the slab wall under vertical loads

    本文針對密肋壁板結構的主要受力構件? ?密肋復合墻體為研究對象,就其受力機理、破壞模式、抗震性能、三階段力學模型、極限承能力以及基於控制的抗震設計方法等進行了較為詳細的研究,完成的主要工作有: 1 )通過對密肋復合墻體在水平低周反復和單調作用下的研究,提出了墻體的主要破壞模式;分析了框格與內部填充砌塊、墻板與外框的共同工作的受力特;探討了不同破壞模式情況下墻體的承能力、剛度、變形、延性、耗能等抗震性能,並給出了豎向作用下密肋復合墻體的簡化力學模型。
  10. He finds the pitch range after calculated the three important parameters through the bladed for windows software, then presents an optimized control strategy that regulate the pitch angle in terms of the wind speed. it must control the output power because the variational output power brings the variational loads. he confirms and optimizes the control strategy that the output power is the control target, the output power is divided into three parts

    將功率作為系統控制的目標,將功率分成三段進行控制,在低風速區,是有限的,以功率最大化作為控制目標;在額定風速附近,由於處在升力曲線斜率的變化,功率變化較大,應盡快調整槳距角進入失速區工作,減少的波動,該額定風速區的上下工作要通過現場的手段來確定;在額定風速以上,使功率維持在額定輸出,減少功率波動,並通過bladed軟體的模擬計算對控制策略進行了證。
  11. It shows that the method suggested in the paper is simple, applicable for engineering and has good precision. on the bases of the formulas deduced, and combining with relative test datas, it studies in the paper several factors influencing the bearing performance of the simple beams, such as shape of the external tendons, the equal moment segment length, span - to - depth ratio of the beam, valid initial prestress of the external tendons, area of the internal tension reinforcement, strength of the concrete, vertical distance between

    在公式推導的基礎上,結合相關資料,研究了體外筋的形狀、等彎矩區長度、梁跨高比、有效張拉預應力、體內受拉筋配筋率、混凝土強度、錨固到樑上邊緣在垂直方向上的距離、體外預應力筋水平段長度(雙折線型體外筋的情況)以及類型等對體外預應力混凝土簡支梁受力性能的影響。
  12. Thus it is necessary to study moment resistance, rotation stiffness and rotation capacity of the joints. in this paper, six specimens on end - plate composite beam - to - column joints and two specimens on end - plate composite beam - to - column joints were designed to subject to static load. the factors of m - characteristics about semi - rigid composite joints, including bolts, profiled steel sheeting, beam, column, stiffen rib and reinforcement, are studied

    本文設計了6個端板型鋼-混凝土組合樑柱節與2個端板型純鋼樑柱節,通過對這些件的靜力,重研究了端板型鋼-混凝土組合節的彎矩-轉角性能的影響因素,包括高強螺栓、壓型鋼板、型鋼梁、型鋼柱、加勁肋,以及混凝土板內縱向鋼筋配筋率等。
  13. Standard test method for determination of the point load strength index of rock

    巖石的強度指數測定的標準方法
  14. The author designed, made, processed and tested to the plexiglass model and the bridge. then author calculated and analyzed the results, as a result of the computer programs bsas, sap, qjx and nastran. the author researched the force characteristics and structural behavior of large - span prestressed concrete bridges with continuous rigid frame structure, used the advanced theory and technology, materials, arts and crafts to resolve the practical matters in design and construction, to optimize structure, and to provide credible technical data for the design and construction and maintenance of bridges

    本文以吉林省九站松花江特大橋為研究對象,通過有機玻璃模型的設計製作及加工和,以及對已竣工通車的實橋,利用計算機程序bsas 、 sap 、 qjx及nastran等程序進行理論計算和綜合對比分析,探討大跨徑預應力砼連續剛構橋的力學特和使用性能,運用先進的理論、技術、材料、工藝等來解決設計和施工中存在的實際問題,優化結構,並為橋梁的設計、施工及使用維護等提供可靠的技術資料。
  15. Speaking in detail, for every specimen, we study the for of the cracking load, yield load and failure load ; the ductility property ; the property of hystersis curvs and keleton - frame curves ; the degree of initial stiffess and stiffness degadation. secondly, the two different suo nlgn use ltslaences , wmcn are ootll shear wsll sttllctlllt , are tab6n as instanop the shear ’ wsi is oin 卜 hot8qopo inww 田 l ! s ot 以 j 口 willo 地 勸 憂 地 epo o odod sqo8qopt solidndls ofr c l w means or0 卜 0nm elemem ana 吹 lsptwtodd ’ mlmwe m 加 柏 mm are d an 邑 以 胡 a ann compcomparen in severm es 叮 wsllcll as scu 一 陽 i 朗 l p 一 ndnd mdede so ess d laterm seimic e anu so on ’ inatty , tiep 訓 頒 oility of hollow shear wal of rc in d suo ra use reslaences s ant l

    首先研究在低周反復水平加對象的強度、變形和能量的特性:開裂、屈服、破壞;各件的滯回曲線和骨架曲線;延性情況;初始剛度和剛度退化等參數:進而用satwe有限元程序分析對比了某一小高層剪力墻結構在採用空心剪力墻板和採用普通實心剪力墻作為墻體的結構受力異同,在質量、主振型、剛度、水平地震效應等方面做了對比。
  16. In order to study the seismic behavior of this structure system, three frames are designed and they are subjected under cyclic reversed lateral load. we mainly study the strength, stiffness, ductility, energy absorption capacity and failure causation in the test

    為了探討該新型結構的抗震性能,本文設計並製作了三榀框架,進行了水平低周反復,重研究了方鋼管砼框架以及方鋼管砼支撐框架的強度、剛度、延性、耗能能力及破壞機制。
  17. In this paper, two steel bracing - retrofitting methods are proposed for the rc frame structures, which are steel angels - at - four - corners method and embedded - steel framework method. two test models of one - story and two - bay reinforced concrete frame retrofitted with above two methods separately are designed and conducted low - cyclic reversed load tests, their aseismic behaviors such as strength, stiffness, ductility and energy - dissipating capability are studied

    本文提出了兩種支撐抗震加固方法,即外包鋼支撐加固法和鋼內框支撐加固法;設計了兩榀單層兩跨鋼筋混凝土框架結構模型,進行了水平低周反復,重探討其強度、剛度、延性和耗能能力等抗震性能。
  18. 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以及位移隨深度變化的理論公式;基於已有的靜成果及有關擴底樁的研究成果,從對現場測數據的分析,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力;同時根據對支盤樁的受力特樁數據的分析,提出了支盤樁承力計算的經公式;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結果進行對比,再現了支盤樁在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。
  19. The influences of the steel tubes on the failure modes of specimens, on the shear strength of core area of joints, on the stiffness of joints, on the ductility and on the energy dissipation. meanwhile, both the function of concrete - filled steel tubular core columns in raising aseismic strength and the hysteretic behavior of joints specimens have been studied. in addition, the failure modes, the strength, stiffness, the ductility and the energy dissipation of the joints between concrete - filled steel tubular core columns and prestressed concrete beams, of have compared with those of the joint between a reinforced concrete column and a prestressed concrete beam

    根據結果,描繪了件在低周反復作用下的受力性能及破壞形態,分析了件的有關強度指標、節剛度、延性及耗能能力,討論了柱內鋼管對節件在破壞形態、核心區抗剪承力、剛度、延性及耗能能力等方面的影響、鋼管混凝土核心柱對提高節抗震性能的作用以及節的滯回特性,比較了鋼管混凝土核心柱與預應力混凝土梁框架節和普通預應力混凝土框架節在破壞形態、節強度、節剛度、延性及耗能能力等方面的充業庶:鋼營捉枉土較心往與扭應力捉枉土要節低周反復研兜差異。
  20. Based on experimental research and theoretical analysis, investigations on the new type of joint are made systematically, the main contents and results include the following items. 1 four specimens of new joints between cfrt columns and steel beams are designed. by low - cyclic reversed load test, skeleton curves of new joints and shearing deformation in joint core area are studied, the influence of parameters, such as concrete cores, length of stiffener, and relative dimensions of column and beam, is discussed

    本文在分析現有節方案特的基礎上,提出了角鋼加勁式節方案,並採用和理論分析相結合的方法,對這種新型節進行了系統研究,主要研究內容與成果如下: (一)設計了4個新型方鋼管混凝土柱?鋼梁節件,通過對新型節的低周反復,研究了新型節的骨架曲線和節核心區剪切變形等,探討了內填混凝土、加勁肋長度和樑柱相對尺寸等對節抗震性能影響。
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