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  • 學位論文

高層建築物頂層之高聳電信微波鐵塔之設計 並用載重及強度係數設計法(LRFD) 及大陸設計規範檢核其結果

Design of tall Steel Communication Tower with Micro-wave Antennas on the top of Building and Check by LRFD and China Specification

指導教授 : 鄭金國
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摘要


本文主要目的是在研究高層建築物頂層之高聳電信微波鐵塔,於風力作用下之行為。高聳電信微波鐵塔建造置於高層建築物上時柔性會加大,水平荷載為主要的作用力,其變形與應力有80﹪~ 90﹪是源自於風力作用,旦以順風向為主要作用力,所以本文使用不同的規範(中國大陸、台灣規範和AISC-LRFD),計算順向風力加諸於高聳電信微波鐵塔上時,其構材的斷面強度、應力比及鐵塔之側位移與基底彎矩,並討論比較其結果。

關鍵字

側位移 應力比 基底彎矩

並列摘要


The main purpose of this thesis is to study the behavior of tall steel micro-wave antenna tower on the top of building subjected to wind loads. This study emphasizes the along-wind effects, because it is the most significant loading of tall tower. The base moment, lateral displacements and the stress ratio of each element of the tower is checked by both China Design Code and AISC-LRFD Specification and do the comparison.

並列關鍵字

along-wind stress ratio

參考文獻


[20] AISC,“Manual of Steel Construction-Load and Resistance Factor Design”,Second Edition,1994.
[27] M.J. Glanville ; K.C.S. Kwok ; R.O. Denoon,“Full-scale Damping Measurements of Structures in Australia”, J. Wind Eng. Ind. Aerodyn., 1996.
[28] Haritos,N. ; Stevens,L.K.,“The assessment of response of tall free-standing towers to along-wind loading”,Sixth International Conference on Wind Engineering, Australia, 1983.
[30] Andrew Tallin ; Bruce Ellingwood,“Serviceability Limit States:Wind Induced Vibrations”; Journal of Structural Engineering, ASCE,Oct,1984.
[1] 王肇民,“高聳結構設計手冊”,中國建築工業出版社,建築結構設計手冊叢書編委會,2000年11月(修訂版)。

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