推壓載荷 的英文怎麼說

中文拼音 [tuīzǎi]
推壓載荷 英文
racking
  • : 動詞1 (向外用力使物體移動) push; shove 2 (磨或碾) turn a mill or grindstone; grind 3 (剪或削...
  • : 壓構詞成分。
  • : 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 ...
  • : 荷名詞(蓮) lotus
  • 載荷 : load; loading載荷變化 load fluctuation; variation in load; 載荷裝置 load device
  1. The hydrodynamic propulsor takes drill fluid as power source, with the aid of the axial load produced by the pressure drop of the bit nozzle, makes the axial force act on the bit to produce wob, making up for the insufficient wob, ensuring the bit feeding smoothly and improving the penetration rate

    這種進器以鉆井液為動力源,藉助鉆頭噴嘴降產生的軸向,使軸向力直接作用於鉆頭產生鉆,彌補有效鉆不足,保證鉆頭平穩鉆進,提高機械鉆速。
  2. 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

    本文借鑒鋼框架節點構造,設計了四種類型矩形鋼管混凝土柱與鋼梁連接節點,包括常規栓焊( wfp )節點、翼緣全螺栓連接( bfp )節點、雙t板連接( dst )節點以及加勁端板連接( sep )節點,進行了四類節點8個模型試件在柱端低周反復作用下的抗震性能試驗研究,比較了不同軸比下節點的滯回性能、強度與剛度退化、延性、破壞機理與破壞特徵,主要結論有: 1 、節點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 、軸比對節點滯回曲線有顯著影響,全部節點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,翼緣全螺栓連接節點、雙t板連接與加勁端板連接節點都優于常規栓焊節點,可在實際工程中加以廣。
  3. The prestressed continuous beam - arch composite bridges are a special structural system where the horizontal thrust of the arch rib is absorbed by a prestressed tie at deck level. in some cases, this type of structure is preferable because it does n ' t have the large thrust at the spring hi traditional arch bridges and the somewhat large bending moment and shear force in traditional beam bridges. as a result, the performances of the prestressing reinforcement can be efficiently utilized

    它利用拱肋承擔力,系梁預應力束抵抗拱端力,吊桿及縱橫橋面系結構承受橋面,既克服了傳統拱橋巨大的拱端力,又改善了連續梁橋較大的彎矩和剪力的受力狀況,最大限度地發揮了拱梁混凝土和預應力鋼筋各自的特點,經濟效益顯著。
  4. Considering the similitude law for shaking table test, we study the test results and obtain some conclusions which are a ) generally, the silty soil in test box liquefies and the liquefied time has relation with the amplitude of acceleration, b ) when the intensity is on and above eight degree, the silty soil deposit will be liquefied dramatically, c ) the relationship of the pore water pressure is relevant to the cycle loading which represents when the cycle loading ranges from little to great, the relationship is represent as a concave curve, or else as a protruding curve and tends to stability. ( 3 ) based on the triaxial compression test and the resonant column test, some studies are made such as a ) the duncan - chang parameters of constitutive model, b ) the dynamic shear modulus ratio and c ) the damping ratio of the site soil deposits. in order to deal with the test data, a computer program is compiled

    ( 2 )利用小型振動臺進行了k _ 0固結狀態下粉土的振動液化模擬研究,通過分析正弦作用下的試驗資料,驗證了粉土的孔隙水力增長模式的合理性;從微分方程導了基於土體振動臺模型試驗的相似律,並從模型實體、孔時程曲線和相似律等方面做出了分析,得出了如下結論:在小型振動臺試驗中,模型箱中的粉土都發生了液化,液化的時刻和輸入加速度幅值有關,而對頻率的變化不太敏感;粉土在相當於8 9度地震烈度的加速度幅值作用下可能產生嚴重的液化;孔的增長曲線形狀與施加的有關:當施加為由小到大的形式時,曲線形狀為上凹的曲線;當施加為等幅的正弦幅值由大到小時,曲線形狀為上凸的曲線,且逐漸趨于穩定。
  5. The thesis had done the theories analysis in detail and built the relevant mathematics models aiming at the mechanics characteristic about the lodging of stalk, the elastic and plastic deform of stalk under the action of the transverse loads, the mechanics condition which causes stalk pushed, the relation between the speed of unit and the surface radius of ski, the relevant location between the thickness of the compressed stalk and action location of load, the relevant location between the mating device and plough, the coefficient of overturning soil under the thickness of the compressed stalk and so on. in addition, the computer aided analysis and simulating experiments in field were acted by choice

    本文對秸稈自倒伏力學特性;橫向作用下的莖稈彈塑性變形與秸稈被倒的力學條件;機組作業速度與滑撬曲面半徑的關系;秸稈實厚度與加作用點的相對位置;配套裝置與犁體相對位置;秸稈實厚度下的翻垡系數等,進行了較詳細的理論分析並建立了相關數學模型。在此基礎上,本項研究還選擇性地進行了計算機輔助分析和田間模擬試驗。
  6. Firstly, the steel frame is generally investigated and inspected, including the surface status, distortion, strain of the crane - beam, horizontal load and wheel - stress of the crane, dynamic characteristic and reaction of tne frame, so on. in this way. the particular status and characteristic of this kind of steel frame are mastered

    首先,對鋼框架進行了全面的調查和檢測,包括鋼框架的外觀狀況、變形、吊車梁應變、吊車輪和水平、框架動力特性和動力反應等,掌握了該類鋼框架在實際使用過程中的具體特性和狀況,並提出吊車輪和水平的測試方案和斷方法。
  7. The main contents are as follows. by the experiments of two joints under low - reversed cyclic loading, the paper analyzes the failure pattern, energy dissipation, ductility and cracking in the joint cores, evaluates the seismic performances and anti - crack behaviors of the joints, and deduces the anti - crack formula of the subassemblage and prestressed frame joint. through the fini te element analysis software ansys, the paper analyzes the specimens nonlinearly, and the theoretical analysis results are well consistent with those of the experiment

    主要內容包括:通過兩榀節點在低周反復作用下的試驗,分析其破壞形態、耗能能力、延性性能和節點核芯區裂縫開展情況,評估節點的抗震性能和抗裂能力,導出預裝配式框架節點的抗裂驗算公式;並運用ansys對試驗中的節點進行了非線性分析,計算結果與試驗結果基本吻合。
  8. Pressure grouting has made piles and soil combinaion closely at the same tiine, the piles liave hand load capacity more than ever currenly, the design and calculation of root piles have been short of a sult of fledged theory aner referencing the application of root piles in underpinning engineering and basing on the intrinsic cbaraer of root piles in thes paper the authr has ehabshed mle constitutive relative of root piles and soil in correctin slopes, researched the slope edility aller correcang slopes and safety factr of slopes

    樹根樁可以看作是一種摩擦樁,它不僅可以承擔豎向,而且還可以承擔水平,用力注漿可以使樁與土體緊密結合,使樁具有較大的承力。當前,對樹根樁的設計計算卻沒有一套成熟的理論,本文在參考了樹根樁應用於托換工程的設計計算方法后,根據樹根樁的實際特徵,詳細導了樹根樁加固邊坡后樹根樁與土均質化復合「土體」的本構關系,研究了樹根樁應用於邊坡加固后的穩定性情況。
  9. Based on the full - depth / part - depth shear spring model proposed by luo weide and the theoretical corealation between the pile base resistance and the pile base settlement presented by randolph, a elastic analytical approach for computing the pile compression is conducted

    本文利用羅惟德全深度? ?變深度剪切彈簧模型導了樁身縮量的彈性理論解析計算方法,選用randolph的樁端沉降與樁端阻力的關系,利用傳遞法導了樁身縮量的數值計算方法。
  10. 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。
  11. Thea, aimed at different situation and with the combination of the compatibility truss theory and limited balance principle and the truss - strut model, the shear strengthening theoretic formula for the beams under concentrated load is put forward. ground on the test data and real engineering, the simple design formula is afforded

    然後,作者以桁架一拱模型和軟化桁架理論為基礎,綜合極限平衡原理,考慮了拉應變存在條件下混凝土抗強度的軟化,針對不同加固情況導了集中作用下的矩形截面約束梁的抗剪加固理論公式。
  12. In the formula, our experience in structural strength design and the experimental results are considered. and such factors are also considered as differences in materials of the skin and the reinforcer, effects of bending, torsion, stretching and offcenter of the reinforcer. furthermore, through post - buckling stress analysis of the skin, it is shown that even low stress level will result in buckling of the skin, but the skin still has loading capacity

    在總結過去結構強度設計和試驗分析的基礎上,應用扁殼理論,在廣義力與廣義應變關系中考慮了蒙皮與加筋不同材料以及加筋的彎曲、扭轉、伸縮和偏心等的影響,導出適合於工程應用的加筋殼結構軸屈曲臨界的計算方法;並通過對薄壁結構蒙皮后屈曲應力分析,說明蒙皮在很低的應力水平時就出現失穩現象,但失穩后的蒙皮仍具有一定的承能力。
  13. This paper, in allusion to damage of expansion joint of bridge, introduces a sort of new structure of jointless device - semi - integral abutment jointless bridge, and establishes model of general structure finite element of this bridge, and in details analyses its qualities of stress. the model considers the interaction of superstructure - substructure - soil. resistance of the soil behind abutment adopts still soil pressure and elastic resistance when the temperature rising, but active soil pressure when dropping. analysis of qualities stress of bridge includes of action of dead load, car load, temperature load of season character. taking an 100m length pc semi - integral abutment jointless bridge as instance, the paper establishes the model of plane frame by applying large common software - anasys, and analyses it by elastane and large deformation to imitate character of stress and deformation of general bridge. at the same time corresponding models of finite element of joint bridge and integral abutment bridge are established, and unique stress and performance of structure of semi - integral abutment jointless bridge are researched by comparing and analysing character of three different models under same loading, and controlling factor of design and constitution are generalized. in conclusion, for semi - integral abutment jointless bridge, on one hand shear, moment and deflection of the main beam and axis force of substructure are approximate with that of joint bridge, and integral stifmess of structure is increased and damage of expansion joint is eliminated, on the other hand there is axis force in main beam, shear and moment of substructure are bigger than that of joint bridge. in all this type of jointless bridge has rational stress and is worth of application and popularization

    半整體式橋臺無縫橋梁計算模型考慮了上部結構-下部結構-土的共同作用;臺後土抗力升溫時採用靜止土力加彈性土抗力,降溫時採用主動土力;分析橋梁受力性能時考慮了結構自重、車輛和季節性溫變的作用。以一座橋長100mpc半整體式橋臺無縫橋梁為實例,採用大型通用軟體ansys建立平面框架模型,進行彈性、大變形分析,模擬全橋受力和變形特點;同時建立與此對應的有伸縮縫橋梁和整體式橋臺無縫橋梁有限元模型,通過三種橋型同步加對比分析,研究半整體式橋臺無縫橋梁獨特的受力特點和結構性能,總結其設計控制因素和構造要求。通過本文研究知:半整體式橋臺無縫橋梁主梁的剪力、彎矩、撓度和下部結構的軸力與梁式橋相近,結構整體剛度增大,併除去了伸縮縫病害;但主梁增加了軸力,下部結構剪力、彎矩較梁式橋大;綜合分析是一種受力合理有實踐和廣價值的橋型。
  14. Through the experimentation for the physical performance of cfpb masonry under local compression, the author has observed the deformation and failure of cfpbm. based on the mathematical statistics and regression analysis of the experimental data, the author derived a feasible and common formula for counting the cfpbm ' s local compression strength regarding the different local compression locations, analyzed stress distribution of local bearing masonry under beams end, and provided the calculating formula on effective supporting length of beam end in brick masonry. as the results of experiments demonstrate, owing to the cfpb ' s own holes " system, the beneficial effects, the bounding effect of surrounding masonry and the spread effect of force, have not developed completely

    試驗結果分析表明:由於多孔磚自身的孔洞結構,砌體內部的圍箍作用和力的擴散作用未得到充分發揮,局強度雖較軸心受強度有所提高,但仍低於同情況下實心磚的局強度;當有上部作用時,對砌體局有利的懸臂卸作用和內拱卸作用均不明顯,因此在導梁端局強度計算公式時,未考慮此可能存在的有利影響,計算偏安全;局強度提高系數公式除採用規范公式(二項式)的表達式,還用對數式進行了回歸導,得到了一個較為普遍的公式;論文還對梁端局的梁端有效支承長度計算公式進行了回歸導。
  15. The composer anatomizes the present compacting ratio value with the stress distribution property under vehicle load and dead weight load, then pures the smallest stress place in the embankment according to the stress distribution property, and suggests a actual compacting ratio value for embankment firstly according to internal load stress distribution curve. and questions simplified calculation methods for the settlement of embankment

    通過路堤在車輛和自重的作用下的應力關系,對現有實度標準進行剖析,依此受力特性導出路基中最小應力發生的位置,根據高路堤內部應力分佈曲線,首次提出符合路堤受力特性的實度標準。
  16. Based on the linear creep superposition principle, admiting average loading age coefficient and average time - lasting coefficient, adopting creep and shrinkage calcultion in aci code, a simplified method of creep and shrinkage analysis in reinforced concrete member bearing multi - times axial forces is presented

    摘要根據線性徐變的迭加原理,引入平均齡期影響系數和平均持影響系數,利用aci規范中的徐變和收縮計算公式,導了鋼筋混凝土軸構件分批加時收縮徐變分析的簡化計算方法。
  17. The influences of soil structure, confining pressure and strain amplitude on dynamic properties of recently deposited soils of nanjing and its surrounding areas are discussed. furthermore, based on test results and theoretical analysis, the averaging curves, recommended values and envelopes of dynamic shear modulus ratio ggmax and damping ratio versus dynamic strain for recently deposited soils of nanjing and its surrounding areas are presented. by use of vibration triaxial apparatus, nanjing silty clay and fine sand interbedded strata and nanjing fine sand were tested and their test results are discussed

    通過自振柱試驗,探討了土的結構性、有效圍和應變幅值大小對動作用下南京及其鄰近地區新近沉積土的動剪切模量、阻尼比和應力?應變關系的影響;通過試驗和理論分析,給出了南京及其鄰近地區的粘土、淤泥質粉質粘土、粉質粘土、粉質粘土與粉砂互層土、粉土以及砂土等六類新近沉積土中典型土類的動剪切模量比和阻尼比隨剪應變幅值變化的平均曲線、包絡線和薦值。
  18. Because of its simplicity of the critical moment and the good precision, the solutions based on gjelsvik theory are used in the elastic - plastic phase. the ultimate load carrying capacity of box section beams are calculated considering the effect of plasticity and residual stresses

    其次,運用基於gielsvik約束扭轉理論導了箱形偏桿的彈性彎扭屈曲,同時給出了彎桿在彈性彎扭屈曲的軸力和彎矩相關關系。
  19. ( 8 ) for the sake of overcoming the shortage of the former work, axisymetrical analytical solutions of vacuum combined surcharge preloading were deduced, the effect of surcharge loading speed was considered and vacuum was regard as instantaneous load, so we can take account of effect of surcharge loading time, well resistance and smear, it is more closed to practical engineering

    ( 8 )根據以前真空-堆聯合預解析解的不足之處,導了真空-堆聯合預下地基孔及固結度的解析解。本文的解析解將真空視為瞬時施加,而將堆的施加考慮為線性施加過程,因此可以考慮堆施加的時間影響,與實際工程情況更摘要加接近,並可同時考慮井阻、塗抹的影響。
  20. This paper deduced the involute gear total tooth profile equations of unsymmetric teeth with double pressure angles, proposed the calculation formulas of coordinates and load angle at the upper and lower points of single and double teeth mesh areas, and programmed the relevant parametric programs

    摘要導出雙力角非對稱漸開線齒輪系統全齒廓方程,以及在單、雙齒嚙合上、下界點處坐標和角的計算公式,編制了相應的參數化程序。
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