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A platform for research: civil engineering, architecture and urbanism
Tower supporting construction method of large-span portal type reticulated shell
A tower supporting construction method of a large-span portal type reticulated shell is characterized in that tower supporting construction is adopted for both the starting installing and the subsequent separate installing of the reticulated shell according to the structural features of the reticulated shell. Starting units of the reticulated shell are divided into A and B, the starting units A and B are each spliced on the ground in a unilateral arching mode, then one end of the starting unit A is lifted up, the starting unit A rotates around a support ball to a design height, then a tower iserected, the lifted end of the starting unit A is placed on the tower, one end of the starting unit B is lifted up, and the starting unit B rotates around the support ball to a design height to be inbutt joint with the starting unit A in the air. During aloft separate installing, in order to reduce the influences of down-warping of the reticulated shell on the construction quality, safety and speed, the tower is arranged to serve as a temporary support, and the tower is moved forwards according to the installing progress of the reticulated shell. The method has the advantages of being shortin construction cycle, low in cost, controllable in quality and high in safety.
一种大跨度门式网壳塔架支撑施工方法，其特征是根据网壳的结构特点对网壳的起步安装和后续散装均采用塔架支撑施工。网壳的起步单元分A、B两块，A、B两块均采用单边起拱的方式在地面拼装完成，然后将A块一端吊起，绕支座球旋转至设计高度，再立起塔架，把A块吊起的一端放在塔架上，再将B块一端吊起，绕支座球旋转至设计高度与A块空中对接。高空散装时为了减少网壳下挠对施工质量、安全、速度的影响，设置塔架作为临时支撑，塔架随着网壳的安装进度向前挪动。本发明具有施工周期短，费用低，质量可控，安全性高的优点。
Tower supporting construction method of large-span portal type reticulated shell
A tower supporting construction method of a large-span portal type reticulated shell is characterized in that tower supporting construction is adopted for both the starting installing and the subsequent separate installing of the reticulated shell according to the structural features of the reticulated shell. Starting units of the reticulated shell are divided into A and B, the starting units A and B are each spliced on the ground in a unilateral arching mode, then one end of the starting unit A is lifted up, the starting unit A rotates around a support ball to a design height, then a tower iserected, the lifted end of the starting unit A is placed on the tower, one end of the starting unit B is lifted up, and the starting unit B rotates around the support ball to a design height to be inbutt joint with the starting unit A in the air. During aloft separate installing, in order to reduce the influences of down-warping of the reticulated shell on the construction quality, safety and speed, the tower is arranged to serve as a temporary support, and the tower is moved forwards according to the installing progress of the reticulated shell. The method has the advantages of being shortin construction cycle, low in cost, controllable in quality and high in safety.
一种大跨度门式网壳塔架支撑施工方法，其特征是根据网壳的结构特点对网壳的起步安装和后续散装均采用塔架支撑施工。网壳的起步单元分A、B两块，A、B两块均采用单边起拱的方式在地面拼装完成，然后将A块一端吊起，绕支座球旋转至设计高度，再立起塔架，把A块吊起的一端放在塔架上，再将B块一端吊起，绕支座球旋转至设计高度与A块空中对接。高空散装时为了减少网壳下挠对施工质量、安全、速度的影响，设置塔架作为临时支撑，塔架随着网壳的安装进度向前挪动。本发明具有施工周期短，费用低，质量可控，安全性高的优点。
Tower supporting construction method of large-span portal type reticulated shell
一种大跨度门式网壳塔架支撑施工方法
HUANG JINBIAO (author) / LI LIWU (author) / WANG ZHEN (author) / GUO SHUANJUN (author) / XU CHEN (author) / ZHANG XINHUA (author)
2020-04-24
Patent
Electronic Resource
Chinese
IPC:
E04B
Allgemeine Baukonstruktionen
,
GENERAL BUILDING CONSTRUCTIONS
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