884aa四虎影成人精品,99久久国产综合精品女图图等你,97在线观看永久免费视频,久久精品国产精品亚洲38,ⅵdeodesetv性欧美

（1 筑博設(shè)計(jì)股份有限公司， 深圳 518000； 2 哈爾濱工業(yè)大學(xué)深圳研究生院， 深圳 518055）

［摘要］內(nèi)爬式塔吊廣泛應(yīng)用于各種超高層結(jié)構(gòu)施工中，塔吊支撐梁和牛腿支座的設(shè)計(jì)在施工中至關(guān)重要，而相關(guān)研究卻十分缺乏，從而導(dǎo)致設(shè)計(jì)過(guò)于保守或偏不安全。對(duì)某高層內(nèi)爬式塔吊的支撐梁和牛腿進(jìn)行設(shè)計(jì)，并采用有限元軟件ABAQUS對(duì)其受力性能進(jìn)行分析，對(duì)比分析了兩種連接方案中支撐梁和牛腿受力性能。分析結(jié)果表明，支撐梁端部通過(guò)螺栓與鋼夾板相連，再將鋼夾板焊在牛腿上的連接方式不僅便捷施工更加滿足了施工精度的要求；由于鋼夾板提供了有效的梁端支撐，使得梁端與牛腿的連接更加牢固。該研究為同類工程的安全設(shè)計(jì)提供參考。

 ［關(guān)鍵詞］內(nèi)爬式塔吊； 支撐梁； 牛腿； 有限元

中圖分類號(hào)： TU391 文獻(xiàn)標(biāo)識(shí)碼： A文章編號(hào)：  1002-848X(2016)S2-0595-04

Structural design and analysis on key techniques in bearing beam and corbel of internal climbing tower crane

Wang Jinwen1,2, Wang Hongxin1,2, Zhang Meisong1

(1 Zhubo Design Group ＆ Research Institute Co., Ltd., Shenzhen 518000, China;2 Harbin Institute of Technology Shenzhen Graduate School, Shenzhen 518055, China)

Abstract: Internal climbing tower cranes are widely used in all kinds of high-rise structure constructions, the bearing beam and the corbel design is a great importance in the construction, but the related research are very lacking, resulting in the structural designs are too conservative or unsafe. The finite element software ABAQUS was used to analysis the bearing performance of the bearing beam and the corbel, and two kinds of connection design scheme of the bearing beam and corbel were contrasted to analysis. It is a good design scheme that the end of the supporting beam connected with the steel plates through bolts and the steel plates are welded in the corbel. This structural design is not only convenient to construct but also meet the requirement of the construction accuracy. As the steel plate provides a more effective supporting for beam end support, so that the connection of the beam end is more firmly. The design scheme mentioned may give a reference to correlative designs.

Keywords: internal climbing tower crane; bearing beam; corbel; FEM simulation