cyclic strength 中文意思是什麼

cyclic strength 解釋
交負荷強度
  • 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。
  • strength : n. 1. 力,力量,體力。2. 強度,濃度;長處;(要塞等的)抵抗力。3. 實力;兵力;全體人數,額定人數,編制。4. 筆力;文勢。5. (證券等的)市價堅挺。6. 〈美俚〉(可能有的)利潤。
  1. The fatigue behavior of strength, stiffness, and deformation of concrete is analysed systematically. the fatigue equation is established. the empirical expressions of the total longitudinal strain and the elastic modulus are given, and the relationships between the increasing rate of the total second - stage strain and the decreasing rate of the elastic modulus with the cyclic number are obtained

    系統地分析了砼抗拉、拉-壓疲勞強度、剛度、變形規律;建立了相應的s - n關系,提出了縱向總應變、彈性模量的經驗公式,及其第二階段總應變增長率、彈性模量衰減率分別與疲勞壽命的關系式。
  2. Then, a logic computational diagram is constructed for calculating diametral growth by assuming fatigue cyclic softening, namely yield strength reduction as tubing fatigues

    再通過合理的假設,建立用於計算直徑增長的計算機邏輯框圖。
  3. 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驗研究: (一)通過木柱石礎靜摩擦試驗,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荷載變化的規律; (二)通過單柱承載力試驗,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、極限承載力、極限變形等參量; (三)通過柱架低周反復荷載試驗,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載力和極限變形、及榫卯減振參數; (四)通過斗?低周反復荷載試驗和受壓試驗,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?抗壓極限承載力及受力變形規律; (五)通過抬梁式殿堂間架模型振動臺試驗,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;按結構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測量,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。
  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. In this paper, the researching and developing situating at home and abroad on aseismic properties of the masonry structures are reviewed. aiming to the defects of the calculated formulas of the aseismatic shear strength of brick walls in the code for seismic design of building ( gb50011 - 2001 ) and the code for design of masonry structures ( gb50003 - 2001 ), through test on brick wall models between the single wall and the wall with flanges, restoring force characteristics, the behavior at failure of the brick masonry wall and the effect of longitudinal wall under cyclic horizontal loading were analyzed the aseismic capacity has increased by 31 % for wall with flanges, the rigidity and deformation of the wall has gone up greatly too. the conclusion that the effect of longitudinal wall should be comprised in the aseismatic formulas was proposed

    本文回顧了國內外關于砌體結構抗震性能的研究與發展現狀,針對建築抗震設計規范( gb50011 - 2001 )和砌體結構設計規范( gb50003 - 2001 )中墻體抗震驗算公式中的不足之處,通過單片墻和帶翼緣墻在垂直荷載和水平反復荷載作用下的對比試驗,研究了帶翼緣墻在水平反復荷載作用下的恢復力特性曲線、磚墻破壞特徵以及縱墻的影響等,翼緣墻的存在,主墻抗剪能力可以提高31 ,剛度及變形能力也均有較大提高的結論,墻體驗算公式中應當考慮縱橫墻共同作用的影響。
  7. According to the demand of 《 code for seismic design of building 》 ( gb50011 - 2001 ), furthermore, based on the experimental study of two 1 / 15 reduced - scale shear wall models under low frequency cyclic and reversed lateral loads, the interacting behavior of the r. c frame column and the shear wall is studied, the failure mechanism and energy dissipation mechanism of moderate and tall shear wall with r. c frame column are compared, the seismic behavior is evaluated by the comparison of strength, stiffness, ductility, restoring force characteristics as well as energy consumption ability. it was showed by the experimental results that the earthquake resistant energy dissipation ability of the shear wall with frame column is satisfactory

    因此,為了探討這類剪力墻結構的抗震性能,本文以我國現行《建築抗震設計規范》 ( gb50011 - 2001 )的要求為基礎,通過1 15的縮尺比,將一縱向框架一剪力墻原型結構中的剪力墻結構模擬為一個試驗模型並對其進行了偽靜力加載試驗,研究了墻板與邊框柱的共同工作性能,分析了帶邊框柱中高剪力墻的受力特點、破壞及耗能機理,並從承載力、剛度、變形、延性及恢復力特性等方面綜合評價了其抗震性能,得出了一些有益的設計理念和方法。
  8. 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。
  9. By changing the parameters of stirrups ratio and axial load ratio, 6 high strength concrete ( hsc ) columns are tested subjected to cyclic lateral load. the baring capacity of hsc columns with new form of stirrups are compared with hsc columns with normal form of stirrups. load - displace relation curves are obtained

    本文以體積配箍率和軸壓比為主要控制參數,對不同配筋模式的6根高強混凝土壓彎構件進行了低周水平反復加載試驗,得到了箍筋約束混凝土的荷載?位移滯回曲線。
  10. Based on a large numbers of model / simulation test of the intermittent cracked rock - like samples, fatigue strength, fatigue deformation and crack appear in preexisting cracks tips, the growth of crack, the pattern of crack coalescence are studied / analysed systemically by means of cyclic load and static load, in the course of the model test, the difference between cyclic load and static load of crack appear in preexisting cracks tips, the growth of crack and the pattern of crack coalescence are observed and analysed

    在試驗過程中,觀察並分析了循環加載方式下,預置裂隙端部裂紋萌生、擴展、巖橋貫通模式與靜載方式下的差異;探討了疲勞裂紋萌生、擴展的機理,分析了加載頻率、荷載水平對裂隙試樣疲勞強度、疲勞變形(總變形和不可逆變形)的影響規律。
  11. Fatigue strength coefficient decreases linearly during the cyclic course ; fatigue strength exponent increases ; fatigue ductility coefficient first goes up till the maximum value at 50 % total life, and then goes down ; fatigue ductility exponent decreases during the first half cycle till its minimum value at 50 % total life and then increases in the rest cycle course ; cycle strength coefficient and cycle strain hardening exponent both decrease during the total cycle course

    結果表明: 6個基本疲勞特性參數在循環過程中都呈顯出規律性變化。疲勞強度系數呈線性減小趨勢;疲勞強度指數呈線性增大特徵;疲勞延性系數是一個先增后降的過程;而疲勞延性指數隨循環進行由初始減小到逐漸增大;循環強度系數和循環應變硬化指數在整個循環過程中都趨于減小。
  12. Compared with those of as - sprayed ring, hardness and tension strength of area near processing face are increased by 45 % and 40 % respectively. friction mechanical performance of the ring is improved at large extent, and especially the wearing amount is merely 13 % of as - sprayed rings. after dual - direction cyclic pressing, the pore - closed state and the distributing of density and hardness are nearly identical in every part of ring. the friction mechanical property is close to that of single - direction - cyclic - press ring

    靠近壓力加工面部位,硬度較沉積坯提高了45 % ,拉伸強度較沉積坯提高了40 % 。雙向楔壓后孔洞閉合、密度硬度分佈都比較均勻。單向楔壓后,用壓力加工面作為摩擦面, al - 20 % si / sicp復合材料的摩擦磨損性能得到大幅度提高,尤其磨損量為楔壓前的13 % 。
  13. Nonlinear finite element analysis of peripheral joints on frame of high - strength concrete under cyclic loading

    反復荷載下高強混凝土框架邊節點有限元非線性分析
  14. Standard test methods for determination of static and cyclic fatigue strength of ceramic modular femoral heads

    預制陶瓷股骨頭的靜態和循環疲勞強度測定的標準試驗方法
  15. Today returns to the daughter ' s grandfather family ' s home, simultaneously also saw wife younger male cousin 10 months big daughters hong ' s chiehyan, remembered half year ago at new year ' s celebration time saw she felt very cleverly and on the whole piece cyclic the face, really is lovable, but today saw hong chiehyan was quite thin, but the energy changed very much strongly, although was unable to depend on own strength to stand up, but already was allowed easily to sit and to hold is standing up grasps the thing, i attempt to grasp hong chiehyan, she could sway from side to side the stature immediately to recognize people, knew i am not her family member which she is familiar with, i looked in the book talks about the baby to start in 9 months to be able afterwards to recognize people, mainly is these people may satisfy when her hunger the demand

    今天回女兒金柏?的外公婆家,同時也看到老婆表弟10個月大的女兒洪婕晏,記得半年前在過年的時侯看到的她,感覺很乖巧加上整張圓滾滾的臉,真得是超級可愛,而今天看到的洪婕晏是比較瘦了一點,不過活動能力變得很強,雖然無法靠自己的力量站起來,但已經可以輕易地坐及扶著站起來抓東西,甚至當我試圖抱住洪婕晏,她立即會扭動身軀認人,知道我不是她熟悉的家人,我看書上講到嬰兒在9個月之後開始會認人,主要是這些人可以滿足她饑餓時的需求。
  16. Based on a series of experiments, the mechanical properties of rock - salt, including compaction characteristic, compressive strength, and deformation behaviors under cyclic loading were studied

    摘要通過試驗,研究了察爾汗巖鹽用作路基填料的壓實特性、抗壓強度以及循環荷載下的變形性狀。
  17. The following contents were discussed in detail : ( 1 ) effects of small particle content of the samples on the compaction characteristic of rock - salt ; ( 2 ) the value distributions of compressive strength of nature rock - salt ; ( 3 ) the effects of grain size, dry density and water content on compressive strength ; and ( 4 ) the development regularity of dynamic strain of rock - salt under traffic cyclic loading

    主要探討了巖鹽試樣中細粒含量比例對試樣壓實特性的影響規律;天然巖鹽抗壓強度的大小分佈,以及巖鹽抗壓強度與粒徑、干密度、含水量的關系;交通循環荷載作用下,巖鹽的動應變發展情況等。
  18. ( 2 ) the failure mode, strength, stiffness, energy capacity and ductility of the columns with glass fiber reinforced polymer were described in details to investigate the seismic behavior and mechanism of columns under cyclic load

    而纖維增強塑料( frp )的復合材料加固方法由於其具有輕質高強、易於現場施工和良好的耐腐蝕性等優良性能,在工程界逐漸得到廣泛應用。
  19. 08. 04 test method for cyclic pressure strength of reinforced, thermosetting plastic pipe

    增強熱固塑料管循環壓力強度試驗方法
  20. 4 pseudo - static force testing of 1 : 2 scale models including three steel frame two with semi - rigid connection and one with dog - bone connection are first carried out in china in order to obtain elastic - plastic behavior of semi - rigid connections and dog - bone connections steel frames under cyclic loading as well as to analyze collapse characteristic and the coming order of plastic hinges of the structure with different connections after structural ultimate strength has lost and conditions of stress development in the dog - bone, and the reason of the brittle failure in the rigid connections is obtained

    同時探討了連接形式對鋼框架性能的影響。 4進行了兩榀半剛性連接和一榀狗骨式連接平面鋼框架結構的擬靜力試驗。通過試驗考察了半剛性連接和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;了解了不同連接形式的結構在達到極限承載力后的破壞形態和塑性鉸出現的順序。
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