線荷載試驗 的英文怎麼說
中文拼音 [xiànhézǎishìyàn]
線荷載試驗
英文
line load test- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
- 荷 : 荷名詞(蓮) lotus
- 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
- 試驗 : trial; experiment; test
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The load displacement curves and the ultimate strength of each member are presented. effects of beam length, radius of curvature and flexural - torsional rigidity on ultimate are considered
通過試驗研究,給出每個構件的荷載位移曲線和極限承載力,得到了曲梁承載力隨跨長、曲率半徑以及截面尺寸的變化規律。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。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荷載、矩形垂直均布荷載及條形垂直均布荷載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荷載、矩形垂直均布荷載及條形垂直均布荷載作用下附加應力與沉降的解析式,編制了程序,調試通過並驗證了其正確性; ( 3 )通過對雙層地基圓形垂直均布荷載中心軸線上的附加應力系數和荷載中心沉降,矩形垂直均布荷載角點下的附加應力系數和荷載角點沉降及條形垂直均布荷載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。Second, carried out the fatigue life test of the truck ' s front axles adopted grouping fatigue life test method, calculated the results on theory of probability stats, linear fitted the fatigue life data by means of the basquin equation and least squares method, acquired the mathematical model of s - n and p - s - n curve of the front axles
其次,採用成組試驗法,對汽車前橋進行了疲勞壽命試驗,藉助概率統計方法對試驗結果進行了分析計算,得到了各試驗載荷下的疲勞壽命的正態分佈的均值和標準差,採用basquin關系式和最小二乘法對疲勞壽命數據進行線性擬合,得到了前橋的s - n和p - s - n的關系。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。To meet the demands for large space and flexible compartmentation of buildings, laminated vierendeel trusses are adopted in high - position transfer story structures. first the bearing characteristics are analyzed, in which reasonable stiffness ratio of the upper chord, middle chord, and lower chord is derived. then combined with an actual engineering model ( 1 8 similar ratio ), the static loading and pseudo - dynamic tests of two models for laminated vierendeel truss used in transfer story structures are conducted, in which one model adopts reinforced concrete, and the other adopts prestressed concrete and shape steel concrete. seismic behaviors are analyzed, including inter - story displacement, base shear - displacement skeleton curves, and equivalent viscosity - damping curves. a program is programmed to carry out the elasto - plastic dynamic analysis, and displacement time - history curves of the two models are derived. the test and analysis results show that the laminated vierendeel truss with prestressed concrete and shape steel concrete has excellent seismic behaviors. it can solve the disadvantages of laminated vierendeel trusses used in transfer story structures. finally, some design suggestions are put forward, which can be referenced by similar engineering
為滿足建築物大空間和靈活隔斷要求,在高位轉換層結構中採用迭層空腹桁架結構.首先分析了其受力性能,得出了空腹桁架各構件合理的截面剛度以及布局形式.然後結合一實際工程,進行了兩榀迭層空腹桁架轉換結構模型( 1 : 8相似比)的豎向荷載下靜力試驗以及擬動力試驗.其中一榀為普通混凝土迭層空腹桁架,另一榀配置了預應力和鋼骨混凝土,對比分析了兩模型的層間位移比、骨架曲線以及等效粘質阻力系數等抗震性能的比較,並進行了彈塑性動力分析.試驗和分析結果表明,配置預應力和型鋼混凝土的迭層空腹桁架轉換結構具有良好的抗震性能,可以成功地解決迭層空腹桁架作為轉換層結構所產生的弊端問題,最後對這類轉換層結構提出了相應的設計建議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。A load - displacement full - process analyzing program of cfrp - confined rc eccentrically loaded columns is given. the computed results of load - displacement coincide with test results
編制荷載-撓度全過程計算程序對碳纖維布約束偏壓柱進行數值分析,程序計算曲線與試驗曲線吻合良好。Through the pull - out experiment, the load displacement curve was obtained. contrasting the test results under the different condition to post - installed bar, it was clear about the mechanism of the inorganically post - installed bars. the test results of inorganically post - installed bars was compared especially with the traditional organically post ? installed bars
通過拉拔試驗,得到了荷載位移曲線,對比了不同條件下植筋的試驗結果,明確了無機植筋的受力過程,特別同有機植筋進行對比,並提出了帶錐頭無機植筋的施工工藝。Model identification for rheological load test curve and its application
流變荷載試驗曲線的模型識別及其應用Then figure out the wind load in term of the load criterion and the wind tunnel test results separately. by comparing with the two results, we can draw a conclusion that the values which generated by the load criterion are bigger than these ones generated by the other. in order to calculate and design in the worst situation, the paper select the bigger basic wind stress and then turn the area - load into liner - load to receive the displacement of the nodes and the internal force of the cells generated by the static wind load
由此,得出用於作業棚結構設計的數據,進而按建築荷載規范和風洞試驗數據分別計算出風荷載標準值以及基本風壓,通過對兩種靜力風荷載計算的結果進行比較,可以看出,按規范計算風荷載的結果在結構的整體計算中偏於保守。按照最不利情況計算的設計準則,本論文選用較大的基本風壓值按受力面積分配的方法把面荷載轉化為線荷載代入midas運算程序中,求得該結構在該靜力風荷載作用下的節點最值位移。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。5 results of an experimental investigation on shear behavior of l, t and + - shaped columns are presented. the effects of shear - span ratio, axial compression ratio, stirrup contents and loading direction on shear behaviors of l, t, and + - shaped columns are discussed. combining with test data of others, the formulas for shear strength of l and + - shaped columns are given
5對l 、 t 、十形柱受剪性能進行了低周反復荷載試驗研究,討論了剪跨比、軸壓比、配箍率、荷載作用方向對l 、 t 、十形柱承載力和延性的影響,並結合他人試驗結果,提出了l 、十形柱的偏下線受剪承載力公式。Observing the mechanics and effect of the new strengthening method with test and finite element method is supposed to offer a guide for technology and become valuable in theory and practice. both compression test, including four reinforced and three control specimens, and shear - compression test, including nineteen reinforced and four control specimens are being studied in this paper. the research on the curves of load - strain, load - deflection and hysteretic shows that the transverse translation of the reinforced columns is well controlled with an upgrading of both ductility and ultimate bearing capacity ( ubc )
本文對4根鋼絲網外噴高強砂漿加固鋼筋混凝土柱和3根對比鋼筋混凝土柱進行了軸壓試驗研究,並對19根加固鋼筋混凝土柱和4根對比鋼筋混凝土柱進行了剪壓試驗研究;通過對試件荷載-應變曲線、荷載-撓度曲線和滯回曲線等的研究表明,採用該加固方法能有效的約束柱子橫向變形,並對提高鋼筋混凝土柱的極限承載力和延性有明顯的效果;同時根據理論及加固機理分析提出了適應於此加固方法的軸壓極限承載力計算公式。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載試驗下試驗對象的強度、變形和能量的特性:開裂荷載、屈服荷載、破壞荷載;各試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點,在質量、主振型、剛度、水平地震效應等方面做了對比。Based on the experiments under low reversed cyclic loading, failure pattern, hysteresis curves, skeleton curves, restoring force model, displacement restoring capacity, ductility and rigidity degeneration of prestressed concrete beams with high ppr are studied systematically
摘要基於低周反復荷載試驗,對高預應力度混凝土梁的受力過程、破壞形態、滯回曲線、骨架曲線、恢復力模型、變形恢復能力、延性、剛度退化等抗震性能進行了較深入的研究分析。In addition, 4 pieces of prestressed small - sized concrete hollow block masonry models and 1 piece of normal concrete hollow block masonry model are tested under frequency low - cyclic static load. some seismic behaviors such as strain - stress curve and ductility of the prestressed masonry were analyzed
進行了4片預應力砌塊砌體墻和1片對比用普通墻的低周反復荷載試驗,分析了預應力砌體的滯回曲線、延性等抗震性能。3. the action of main affected factors, such as axial force, shear - span ratio, transverse reinforcement amount and so on, are described in detail to study the shear behavior and mechanism of columns under cyclic load. 4. the shear contribution of concrete and transverse reinforcement as to the increasing of columns * displacement ductility level is also investigated
詳細地分析了位移延性、循環次數以及剪跨比、軸壓比及配箍特徵值等因素對框架柱構件骨架曲線、荷載退化曲線、剛度退化曲線及構件滯回性能等的影響,得出了反復荷載下框架柱塑性鉸區域剪切受力性能的眾多試驗研究結果。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
本文在分析現有節點方案特點的基礎上,提出了角鋼加勁式節點方案,並採用試驗和理論分析相結合的方法,對這種新型節點進行了系統研究,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?鋼梁節點的試件,通過對新型節點的低周反復荷載試驗,研究了新型節點的骨架曲線和節點核心區剪切變形等,探討了內填混凝土、加勁肋長度和樑柱相對尺寸等對節點抗震性能影響。As numerical examples, a slender composite column of rectangular cross section with embedded h - shape structural steel is first considered. the complete load - deflection curve is obtained and compared with the corresponding experimental results. the comparison demonstrates the validity and accuracy of the proposed method
應用編制的計算程序,首先對一配有工字型鋼的矩形截面長柱進行了計算分析,獲得了長柱的荷載-撓度全過程曲線,並與試驗結果作了比較,驗證了計算程序的正確性和有效性。分享友人