水文纜道塔架結(jié)構(gòu)分析
王承啟1，全學友1，戴建國2
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王承啟1，全學友1，戴建國2（1 重慶大學土木工程學院，重慶 400045； 2 南京戴維科技有限公司，南京 210012）［摘要］為準確模擬塔架與拉線組合結(jié)構(gòu)的空間受力特性，采用ANSYS軟件，建立三維空間精細化有限元模型，分析該結(jié)構(gòu)的強度與穩(wěn)定性，對比該塔架有無拉線這2種情況下結(jié)構(gòu)的靜力性能和自振特性。研究結(jié)果表明：塔架-拉線組合結(jié)構(gòu)整體表現(xiàn)出側(cè)向有彈簧支座的連續(xù)梁的受力特性；拉線使結(jié)構(gòu)的受力分布合理化，提高了結(jié)構(gòu)的承載力和剛度。［關(guān)鍵詞］水文塔架；有限元；強度；穩(wěn)定；動力特性中圖分類號：P335,TU392文獻標識碼：A文章編號：1002-848X(2012)07-0049-03Analysis of mechanical behavior of a hydrological towerWang Chengqi1, Quan Xueyou1, Dai Jianguo2(1 College of Civil Engineering, Chongqing University, Chongqing 400045, China；2 Nanjing Daiwei Technological Co., Ltd., Nanjing 210012, China)Abstract: In order to accurately simulate the space mechanical characteristics of the composite structure of the tower with stay wires, a precise three dimensional space finite element model was established by ANSYS, and the structural strength and stability were analyzed-Meanwhile, the static performance and vibration characteristics of towers with stay wires were compared with towers with none wires-The results show that the mechanical characteristics of the composite structure are similar to continuous beams with lateral bearing spring-The stay wires rationalize the force distribution on structures, and enhance the structural bearing capacity and the structural stiffness.Keywords: hydrological tower; finite element; strength; stability; dynamic property作者簡介：王承啟，博士，一級注冊結(jié)構(gòu)工程師，注冊土木工程師（巖土），Email: wangcq666@qq.com。參考文獻［1］長江流域規(guī)劃辦公室水文處. 水文纜道［M］. 北京：水利電力出版社，1978.［2］SL 443—2009 水文纜道測驗規(guī)范［S］. 北京：中國水利水電出版社，2009.［3］袁東良，任志遠，谷源譯，等. 水文渡河設(shè)施設(shè)計與維修［M］. 鄭州：黃河水利出版社，2000.［4］GB 50017—2003 鋼結(jié)構(gòu)設(shè)計規(guī)范［S］. 北京：中國計劃出版社，2003.［5］DL/T 5154—2002 架空送電線路桿塔結(jié)構(gòu)設(shè)計技術(shù)規(guī)定［S］. 北京：中國電力出版社，2002.
