cyclic loads 中文意思是什麼
cyclic loads
解釋
周期性荷載-
But during the 1994 northridge earthquke and 1995 hyogoken - nanbu earthquke, many steel beani - to - column connections were damaged which indicated that cognition on the capacity of this type of joints was rather inadequate. in order to avoid similar damages in the future, analysis on response of beam - to - column connections under cyclic loads is not only significant from the theoretical aspect, but also important in practice
然而， 1994年美國northridge地震和1995年日本的阪神地震中，大量鋼框架樑柱連接發生破壞，顯示出人們對于剛性樑柱連接的受力性能和破壞機理認識還相當不足。為了避免人員傷亡和經濟損失，對鋼框架樑柱連接研究其在循環荷載作用下的反應，不僅具有重要的理論意義，更具有重大的工程實用價值。 -
This paper attempts to research the seismic behavior of joints between concrete - filled steel tubular core columns and prestressed concrete beams under reversed cyclic loads, in order to make the joints become a good kind of seismic system
本文旨在對鋼管混凝土核心柱與預應力混凝土梁框架節點在低周反復荷載作用下的抗震性能進行研究，以便使這種節點最終成為一種完善的抗震體系。 -
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。 -
Research results show that the settlements of the road structure mainly come from the consolidation and the accumulative residue settlements under the cyclic loads. excessive uneven settlements will produce the premature failure on the pavement. and few researches on the interaction of pavement and subgrade have been developed at present
研究表明，路面路基結構的沉降變形主要來自地基路堤土層的固結壓密沉降和交通荷載反復作用下路面路基各結構層的累積殘余變形，路面路基結構發生過大的沉降變形會使路面過早破壞。 -
According to the pseudo static tests on two specimens of transfer floor from inclined column to framed short - leg shear wall, which are subjected to the vertical loads and the horizontal cyclic loads, in this paper the stress distributions, final failure model of the specimens, paths of the load transfer and the mechanical behaviors of the transfer beam are studied in detail, the ductility and energy dissipation of the specimens are also specially studied
摘要通過對兩榀框支短肢剪力墻斜柱轉換結構在豎向荷載及水平低周反復荷載共同作用下的擬靜力試驗，分析了試件的應力分佈狀態、破壞形態、荷載傳遞規律以及轉換梁的受力性能和試件的抗震性能。 -
Through the static and standard traffic cyclic loads, the responses of the pavement and subgrade have been attained. the studies on these responses such as elastic deformations, accumulative settlements and stress have been made under the changed characters of subgrade, such as moisture content, relative compaction of subgrade. the results of the experiments show that superfluous moisture content increases the vertical stress and the settlements of the construction under the similar relative compaction
通過靜力加載和模擬路面承受的豎向交通荷載的重復加載試驗，研究了路面路基結構在雙輪車輛荷載作用下的動靜態響應，分析了路面路基結構在浸水狀態（土層含水量增加）和壓實密度降低等不利因數的影響下，路面路基各結構層的動靜力學響應特性，如彈性變形、累積下沉、土壓應力等的變化規律。 -
Under varied loads such as cyclic and / or transient loading, soil structures or foundation will induce permanent and / or fluctuating plastic deformations. such plastic deformations are cumulative and / or alternating in nature with increase of time of loading during a sequence of cyclic loading. if the resulting accumulated deformations is limited within a given bound or the alternating deformations will be adapted to a given plastic state after a certain cycle numbers or a certain period of loading, the soils will be in shakedown state
在復雜變值荷載作用下，結構有可能出現兩種狀態：一種是在若干次載荷循環之後，塑性變形趨于穩定，在此後繼的載荷循環中結構表現為純彈性響應，這種狀態稱為安定狀態（ shakedown ） ；另一種則是塑性流動一直持續地發展或不斷反復，直至結構破壞，結構的破壞有兩種型式：一種是由塑性應變的累積引起的增量塑性破壞；一種是塑性變形多次反復引起的疲勞破壞，也稱為交變塑性破壞。 -
In this paper, the researching and developing situation at home and abroad on cement mortar reinforced with steel mesh used in aseismic reinforcement are firstly reviewed. based on experiments on three brick walls unstrengthened and strengthened, the forces, deformations and damaged patterns of walls bearing vertical and cyclic horizontal loads of multi - storey brick buildings are discussed
本文首先回顧了國內外關于鋼筋網水泥砂漿抗震加固的研究和發展現狀。通過三片磚墻加固前後的試驗，探討了多層磚房墻體在循環水平荷載和垂直荷載共同作用下受力、變形及破壞形態。 -
For foundations subjected to loads varying in time in a non - proportional manner within prescribed limits, the limit equilibrium analyses based on the classical limit theorems may overestimate ultimate bearing capacity, as collapse under cyclic loads may occur at a level well below the static collapse loads
於是，在載荷空間可以給定一個區域，載荷在這個區域內變化，結構最終將進入安定狀態。經典安定理論早在上個世紀五十年代就已經建立，並且一直有所發展，也為工程界所矚目。 -
Results show that low - rise steel frame structures can ignore fracture of bottom beam flange in the low seismic intensity area. 2 build up the finite element model. through comparing the shell element result to the test result, it proved feasible in shell element model to get the behavior of beam - column connections under monotonic and cyclic loads
2通過試驗結果與有限元模型計算結果的比較，驗證可以用殼元有限元模型來研究樑柱節點性能，實體有限元模型能很好模擬接觸問題和預拉力問題，混凝土有限元模型能夠較好的模擬混凝土結構的抗壓強度高和抗拉強度低的特性。 -
Test performed through 8 reinforced concrete bridge columns models under cyclic loads. and the results indicated the effects of axial load ratio and ductility to the residual shear strength. the test ' s results affirmed the accuracy of the empirical formula
有針對性的設計鋼筋混凝土橋墩模型，通過8根鋼筋混凝土橋墩模型的周期反復荷載試驗研究，從試驗過程和結果證實了軸壓比與延性對殘余剪切強度的影響，並將試驗實測結果與所提出的實用公式進行對比，進一步驗證了建議公式的正確性。 -
In high seismic regions, eccentrically braced frames are quite popular, they have good ductility and can sustain to severe cyclic loads, and they are used widely in seismic design
在強震區，偏心支撐框架是一種非常合適的結構形式，它具有良好的延性可以承受劇烈的循環荷載作用，在抗震結構中已得到了廣泛的應用。 -
Eventually, the rehabilitated specimens were retested under low cyclic loading. the loads and displacements of the beam end as well as the steel or plate strain were measured in detail ; and furthermore, crack patterns and failure model of the specimens were also observed during the test
在對試驗結果的整理分析后，本文對比研究了加固前後以及用不同加固方法加固的試件的開裂荷載、屈服荷載和極限承載力、梁端荷載?轉角滯回曲線及其包絡線特徵、延性和耗能性能。
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