A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The invention relates to the technical field of super-large-span truss construction, and provides a super-large-span steel pipe arch truss aerial butt joint construction method which comprises the following steps that S1, construction preparation is conducted, and a butt joint device and a conversion supporting platform are manufactured in advance; s2, according to the design drawing, the longitudinal axis and the transverse axis of the steel column are accurately paid off, and the manufacturing and machining sizes of the steel column and the truss are accurately measured; s3, the steel column is hoisted in place; and S4, the ground of the position where the conversion supporting platform is located and installed is rolled so that the bearing capacity of the conversion supporting platform can meet the load calculation requirement, the bottom of the conversion supporting platform is located on the prefabricated reinforced concrete bearing platform, and the conversion supporting platform is hoisted in place through a crane before the truss is hoisted. The method is high in applicability, simple in process, high in mounting and assembling precision, safe and reliable.
本发明涉及超大跨度桁架施工技术领域，提供了一种超大跨度钢管拱桁架空中对接施工方法，包括如下步骤：S1、进行施工准备，预先进行对接装置和转换支撑平台的制作；S2、根据设计图纸，对钢柱的纵和横向轴线进行精准放线，并对钢柱、桁架的制作加工尺寸精确测量；S3、将钢柱吊装就位；S4、将转换支撑平台定位安装的部位地面进行碾压使其承载力满足计算荷载要求，转换支撑平台底部坐落在预制钢筋混凝承台上，桁架吊装前用吊车将转换支撑平台吊装就位。本发明适用性强，工艺简单，安装组对精度高，安全可靠。
The invention relates to the technical field of super-large-span truss construction, and provides a super-large-span steel pipe arch truss aerial butt joint construction method which comprises the following steps that S1, construction preparation is conducted, and a butt joint device and a conversion supporting platform are manufactured in advance; s2, according to the design drawing, the longitudinal axis and the transverse axis of the steel column are accurately paid off, and the manufacturing and machining sizes of the steel column and the truss are accurately measured; s3, the steel column is hoisted in place; and S4, the ground of the position where the conversion supporting platform is located and installed is rolled so that the bearing capacity of the conversion supporting platform can meet the load calculation requirement, the bottom of the conversion supporting platform is located on the prefabricated reinforced concrete bearing platform, and the conversion supporting platform is hoisted in place through a crane before the truss is hoisted. The method is high in applicability, simple in process, high in mounting and assembling precision, safe and reliable.
本发明涉及超大跨度桁架施工技术领域，提供了一种超大跨度钢管拱桁架空中对接施工方法，包括如下步骤：S1、进行施工准备，预先进行对接装置和转换支撑平台的制作；S2、根据设计图纸，对钢柱的纵和横向轴线进行精准放线，并对钢柱、桁架的制作加工尺寸精确测量；S3、将钢柱吊装就位；S4、将转换支撑平台定位安装的部位地面进行碾压使其承载力满足计算荷载要求，转换支撑平台底部坐落在预制钢筋混凝承台上，桁架吊装前用吊车将转换支撑平台吊装就位。本发明适用性强，工艺简单，安装组对精度高，安全可靠。
Overhead butt joint construction method for super-large-span steel pipe arch truss
一种超大跨度钢管拱桁架空中对接施工方法
CHEN JUN (author)
2023-09-22
Patent
Electronic Resource
Chinese
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