cyclic loading 中文意思是什麼

cyclic loading 解釋
反復荷載
  • cyclic : adj. 1. 周期的;輪轉的,循環的。2. 【化學】環狀的;【植物;植物學】輪列的,輪卷的。3. 組詩的;故事始末的。
  • loading : n. 1. 裝貨。2. 裝載量;重量;載荷;(船隻等的)貨載。 3. 填充物,填料。4. 額外人壽保險。
  1. By carrying out the experiment of five pieces of brick masonry walls with pilaster under low reversed cyclic loading, including four pieces strengthened with gfs and one piece un - strengthened, the seismic performance, such as the hysteretic behavior, rigidity degradations deformation and energy - dissipation, are studied systematically

    摘要通過1片未加固磚墻體和4片玻璃纖維布加固磚墻體抗震性能的試驗,對墻體的滯回特性、剛度退化性能、變形性能及耗能性能進行系統分析。
  2. It also investigates the effect of secondary torque, the characteristics of moment redistribution subjected to reversed cyclic loading, and the role of spandrel beams in the overall response

    著重討論了預應力次扭矩對結構受力的影響、水平荷載作用下結構的彎扭分配規律以及如何進行邊主梁的合理設計等問題。
  3. According to the complication of cyclic loading the aeolotropism and bauschinger effect resulted form plastic deformation were reflected by the kinematic hardening model, the transient stress - strain relation was described by jhansale model in the iterative formulas

    在迭代格式中,針對復雜的交變載荷,採用運動強化模型,反映了塑性變形引起的各向異性和包辛格效應,運用jhansale模型描述材料的瞬態應力應變關系。
  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荷載作用下的抗震性能試驗研究,比較了不同軸壓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 、軸壓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荷載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推廣。
  5. 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

    通過試驗考察了狗骨式連接平面鋼框架結構在循環荷載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;了解節點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點性能的影響。
  6. According to hysteretic properties under low - cyclic loading and some other suggestions, the moment - curvature restoring force computation model of unbonded partially prestressed concrete section, which considering the ppr, is given

    此外由於施加了預應力,使得該結構具有良好的恢復力特性。本文還根據試驗結果和相關參考文獻提出了考慮不同預應力度的預應力扁梁截面彎矩?曲率恢復力計算模型。
  7. Saturated sand are testes in the laboratory under the undrained cyclic loading condition with static - dynamic dual purpose triaxial compression test apparatus, which is designed under the cooperation of hohai university and marui co. ltd japan. the results indicate that the stress path approaches from a initial stress point to the failure lines as cyclic loading goes on, and eventually converges on a certain limiting stress path in the vicinity of the failure lines. the stress - strain curve, however, does not converge on a closed hystersis loop ; the shear strain rapidly increases in looser sand or gradually and continually increases in denser sand

    利用河海大學與日本圓井株式會社共同研製的新型的多功能靜動三軸儀進行了飽和砂土循環扭剪不排水試驗,研究表明,對于松砂,剪應變幅度快速地由微小增加到百分之幾甚至百分之十幾,對于緊砂,剪應變幅度逐漸地由微小增加到百分之幾甚至百分之十幾;經試驗初步研究表明用初始有效平均正應力歸一化的有效應力路徑很好的一致性。
  8. The influences of different reinforcement style of the concealed bracings and different span - height ratio of lintel beams on bearing capacity, stiffness and deterioration process, ductility, hysteresity capacity, energy dissipation and failure features of coupled shear wall were studied through experiment of 7 specimens under low cyclic loading

    通過7個結構試件在低周反復荷載作用下的試驗,研究了不同暗支撐配筋形式、不同連梁跨高比對雙肢剪力墻的承載力、剛度及其衰減過程、延性、滯回特性、耗能、破壞特徵等方面的影響。
  9. A fem of elasto - plastic flexural - torsional buckling of steel members under cyclic loading

    循環荷載下壓彎鋼構件彈塑性彎扭屈曲的有限單元法
  10. 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荷載作用下的試驗,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,推導出預壓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。
  11. This kind of instability bulk movement is induced by wave cyclic loading, as a result the slope of bottom bed decrease, water depth increase, and instability bulk movement has the character of subregion, regularity and head erosion, thus it will influence evolvement of region of interest landform, and change flow field and bottom stratum condition continually, so will lead to dynamic influence on structure foundation soil

    這種不穩定塊體運動由波浪循環荷載誘發,其結果使底床整體坡度減緩,水深加大,而且不穩定的塊體運動具有小區域、多發性和溯源侵蝕的特點,將繼續影響著海域以後的水深地形的發展演化,並不斷改變著該區的流場與底床地層條件,對構築物地基土的穩定性產生著動態的影響。
  12. Tow speciments of prestressed fabricated beam - column subassembly were tested under reversed cyclic loading. experimental studies were carried out to investigate the strain distribution, failure mechanism and load - bearing capacity on the beam - column connections, as well as ductility, hysteresis curves energy dissipation, displacement restoring capacity of full pc speciments

    本文通過兩榀預壓裝配式樑柱組合體在低周反復荷載下的試驗,了解了預壓裝配式框架梁端截面應變分佈、破壞機理和極限承載能力;探討了全預應力配筋截面延性特徵、滯回性能、耗能能力和變形恢復能力。
  13. It is concentrated on the investigation of the laws of damage initiation and development, under the conditions of monotone loading, cyclic loading, varies confinement pressures and triaxial equi - compression

    主要是根據試驗結果,對經歷各種荷載歷史后的損傷隨荷載歷史的發展演化規律進行了深入的研究。
  14. Deformation properties of jointed rockmass under dynamic cyclic loading

    動荷作用下裂隙巖體介質的變形性質
  15. Both static and cyclic load tests are conducted for a same size specimen. the purpose is to find the effect on shear strength from different height - width ratio, and to get the shear resistance limit by static and cyclic loading. according to test results, the improvement suggestions for the wall details and design are presented in this paper

    同樣尺寸的二個試件分別在頂端進行水平單調加載和水平方向低周往復加載抗剪試驗一次,試驗目的是測試墻體的不同高寬比對抗剪強度的影響以及墻體在單調加載及低周反復加載兩種情況下的抗剪強度pu並做出比較,從而對墻體構造及設計提出改進建議。
  16. Cross - country skis. determination of fatigue indexes. cyclic loading test

    速度滑雪板.疲勞指數的測定.周期性載荷試驗
  17. In the ansys software environment, two three - dimensional finite models are constructed, based the experiments of four steel beam - steel reinforced concrete column joints under low reversed cyclic loading by beijing polytechnic university ( 2000 )

    本文在鋼梁?鋼骨混凝土柱節點抗震性能試驗研究的基礎上,應用大型有限元軟體ansys對其中兩個不同類型的節點試件進行了非線性有限元分析。
  18. In this paper, by means of reversed cyclic loading tests on the specimens of long - span floor beams system, it analyzes the behavior of long - span floor beams system during the tests

    本文通過兩榀大跨度預應力次梁樓蓋結構體系組合構件的反復水平加載試驗,分析研究了大跨度預應力次梁樓蓋結構體系的受力特性。
  19. The mechanism of reinforcing steel bar under the press or pull is researched and the characteristics under the pull - press cyclic loading is studied in composite foundation. it shows that the stress concentrating on the reinforcing steel bar and the increasing stress can be seen with the increasing of cyclic times. residual strain always exists after unloading without considering the size of pullout force and increases slowly with the cyclic times

    探討了復合地基中抗拔鋼筋的受壓受拉機理及在拉壓循環荷載作用下的性狀,研究發現,隨拉壓循環次數的增加,應力向鋼筋集中,鋼筋承受的壓力隨著增大;無論上拔力大小,卸載后都有殘余變形,並隨著拉拔循環次數的增加而緩緩增加;抗拔碎石樁破壞性狀明顯,可明確的得到抗拔碎石樁的破壞荷載。
  20. And a post - liquefaction test method has been put forward, in which the cyclic loading and the static loading courses are both controlled by stress mode. this method reflects the in - situ conditions well and truly, and a lot of tests have been done using this method. in these tests the effects of confining pressure, relative density, liquefaction severity etc. have been thoroughly investigated

    主要工作內容如下:參與研製了振動扭剪全自動多功能三軸儀,並利用其獨特試驗功能設計了一套飽水砂土液化后特性的試驗方法,試驗過程中模擬地震作用的動加載過程及模擬大變形發生的靜加載過程均採用應力控制的方式進行,試驗方法跟現場條件更為接近並用該試驗方法對相對密實度、固結壓力、液化度等對液化后變形特性的影響進行了研究。
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