low-frequency loads 中文意思是什麼
low-frequency loads
解釋
低頻負載-
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。 -
But it also bring some important questions which affect the safety and economy running of the units, such as frequency regulation, long running with low loads, electric equipment and assistant equipment friction, oil wasting etc. the text apply differential increcent rate of equilateral discharge to analyze deeply the economy of hydro - power plant according to the practice data of the plant, putting forward the resolvation, providing indeed the theoretic feasibility investigation of engineering
但由此帶來的水電機組的頻繁調節、長時間帶低負荷運行以及電氣設備和輔助設備的磨損和油耗的增加等，都成為影響水電機組長期安全、經濟運行的不可忽視的重要問題。本文根據安徽陳村水電廠實際資料，運用等微增率方法對agc投入后水電站廠內運行經濟性作了深入的分析，提出了解決辦法，為在工程上真正實現提供了理論上的可行性研究。 -
Based on a quasi - static test of two - lay - three - story concrete - filled rectangular steel tubular frame ( crstf ), ductility behavior, dissipation of seismic energy, degeneration of stiff and intensity of the crstf under low - frequency, horizontal, repeat load are analyzed. hysteretic curves to each floor of crstf between displacements and repeat loads, together with corresponding framework curve and resilience model to top floor of crstf is shown, too
本文基於一榀三層兩跨方鋼管混凝土框架擬靜力試驗，分析了低周反復水平荷載作用下框架的延性性能和強度與剛度的退化以及抗震耗能能力，給出了框架各層位移隨反復荷載變化的滯回曲線，並根據頂層滯回曲線進一步得出了框架頂層骨架曲線及相應的恢復力模型。 -
The modal analysis result shows that the vertical and horizontal frequencies of dps undeployed are high enough and suffice the dynamic stiffness requested for launching. but the large spread length and light weight effect the low frequency of dbs deployed, so considerations should be taken to the effects of other systems of the satellite. the static analysis result shows that the displacements of the dbs are small under the joint affect of vertical and horizontal loads, and stresses are low, so the stiffness and intensity are good enough
模態分析結果表明伸桿收攏狀態的軸向和橫向頻率都比較高，可滿足發射升空時的動剛度要求；靜力分析結果表明伸桿結構在衛星處于發射段和上升段時，在軸向和橫向過載聯合作用下變形均較小，剛度足夠；其應力水平亦較低，強度儲備較大。
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