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A platform for research: civil engineering, architecture and urbanism
Pushing installation method for small sections of anchorage steel beams in upper-span sea
The invention provides a pushing installation method for a small section of an upper-span anchorage steel beam in a sea, which comprises the following steps of: hoisting a large-section steel box beam at the top of a first permanent pier and a second permanent pier of permanent piers, arranging a plurality of temporary piers among the permanent piers outside the end of the large-section steel box beam, and arranging an assembling bracket at a position close to the installed steel box beam; pushing devices are arranged at the tops of the permanent piers and the temporary piers, and a plurality of sliding block devices are arranged at the top of the assembling support; a girder lifting station is arranged at the end of the large-section steel box girder; the front guide beam is hoisted to the assembling supports of the temporary piers and the top of the first temporary pier through a floating crane; the first section of the small-section steel box girder is conveyed to a girder lifting station, the small-section steel box girder is hoisted to an assembling support through the girder lifting station, the small-section steel box girder and a front guide girder are accurately aligned and then are connected in a welded mode, and after the steel box girder to be installed is pushed forwards by a certain distance, another section of the small-section steel box girder is installed again; the girder lifting station lifts and closes the small-section steel box girder; the steel box girder is installed through the steps.
本发明提供一种上跨海中锚碇钢梁小节段顶推安装方法，将大节段钢箱梁吊装在永久墩的第一永久墩和第二永久墩顶部，在大节段钢箱梁端头之外的永久墩之间设置多个临时墩，在靠近已安装钢箱梁的位置设置拼装支架；在永久墩和临时墩的顶部设置顶推装置，在拼装支架的顶部设置多个滑块装置；在大节段钢箱梁端头的位置设置提梁站；利用浮吊将前导梁吊装在临时墩的拼装支架和第一临时墩的顶部；将首段小节段钢箱梁运送至提梁站，通过提梁站将小节段钢箱梁吊装至拼装支架上并与前导梁精确对位后焊接连接，待安装钢箱梁向前顶推一段距离后，再次安装另一段小节段钢箱梁；提梁站将小节段钢箱梁吊装并合龙；通过以上步骤实现钢箱梁安装。
Pushing installation method for small sections of anchorage steel beams in upper-span sea
The invention provides a pushing installation method for a small section of an upper-span anchorage steel beam in a sea, which comprises the following steps of: hoisting a large-section steel box beam at the top of a first permanent pier and a second permanent pier of permanent piers, arranging a plurality of temporary piers among the permanent piers outside the end of the large-section steel box beam, and arranging an assembling bracket at a position close to the installed steel box beam; pushing devices are arranged at the tops of the permanent piers and the temporary piers, and a plurality of sliding block devices are arranged at the top of the assembling support; a girder lifting station is arranged at the end of the large-section steel box girder; the front guide beam is hoisted to the assembling supports of the temporary piers and the top of the first temporary pier through a floating crane; the first section of the small-section steel box girder is conveyed to a girder lifting station, the small-section steel box girder is hoisted to an assembling support through the girder lifting station, the small-section steel box girder and a front guide girder are accurately aligned and then are connected in a welded mode, and after the steel box girder to be installed is pushed forwards by a certain distance, another section of the small-section steel box girder is installed again; the girder lifting station lifts and closes the small-section steel box girder; the steel box girder is installed through the steps.
本发明提供一种上跨海中锚碇钢梁小节段顶推安装方法，将大节段钢箱梁吊装在永久墩的第一永久墩和第二永久墩顶部，在大节段钢箱梁端头之外的永久墩之间设置多个临时墩，在靠近已安装钢箱梁的位置设置拼装支架；在永久墩和临时墩的顶部设置顶推装置，在拼装支架的顶部设置多个滑块装置；在大节段钢箱梁端头的位置设置提梁站；利用浮吊将前导梁吊装在临时墩的拼装支架和第一临时墩的顶部；将首段小节段钢箱梁运送至提梁站，通过提梁站将小节段钢箱梁吊装至拼装支架上并与前导梁精确对位后焊接连接，待安装钢箱梁向前顶推一段距离后，再次安装另一段小节段钢箱梁；提梁站将小节段钢箱梁吊装并合龙；通过以上步骤实现钢箱梁安装。
Pushing installation method for small sections of anchorage steel beams in upper-span sea
上跨海中锚碇钢梁小节段顶推安装方法
XUE ZHIWU (author) / WU RUI (author) / XU QI (author) / LIAO WENLONG (author) / SUN CAN (author) / HU QI (author) / WANG ZHEN (author) / MIAO ZHONGYI (author) / LIAO LINCHONG (author) / LEI LINLIN (author)
2023-05-16
Patent
Electronic Resource
Chinese
IPC:
E01D
BRIDGES
,
Brücken
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