A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Section steel hoisting construction method for steel reinforced concrete cable bent tower of cable-stayed swivel bridge
The invention discloses a cable-stayed swivel bridge steel reinforced concrete cable bent tower profile steel hoisting construction method. A profile steel positioning frame of a support, a profile steel sling, a connecting plate for temporarily fixing profile steel and a high-strength bolt for the connecting plate are arranged according to a cable bent tower profile steel plane; the cable bent tower profile steel is hoisted and constructed in batches according to the construction sequence requirement; according to the section arrangement diagram of the cable bent tower and the plane installation position diagram of the cable bent tower profile steel, a profile steel positioning frame is manufactured, dotting and marking are conducted on the positioning frame according to the plane position arrangement diagram of the profile steel, and the cut short section angle steel is welded to the positioning frame according to the made point positions; the profile steel lifting appliance is manufactured according to the plane spacing of the same row of profile steel of the cable bent tower, and the profile steel lifting appliance can lift two profile steel at a time; according to a cable bent tower profile steel plane arrangement diagram, firstly, four pieces of profile steel corresponding to the four corner positions of a cable bent tower are hoisted, the perpendicularity of each piece of profile steel is accurately adjusted with the help of instruments and equipment, and welding is conducted; horizontally lifting the profile steel positioning frame to the position of a cable bent tower, and tightly and firmly connecting the profile steel positioning frame with the installed four pieces of profile steel at the corners; adopting a profile steel lifting appliance to lift the sling tower profile steel to a to-be-mounted position in batches to finish positioning and temporary fixing of the profile steel; welding operators weld the section steel one by one. The defects of a conventional hoisting construction method are overcome, and the hoisting construction method which is efficient, high in quality and low in risk is provided.
一种斜拉转体桥型钢混凝土索塔型钢吊装施工方法，按照索塔型钢平面布置图支座的型钢定位架、型钢吊具、型钢临时固定用的连接板、连接板用高强螺栓；按照施工顺序要求对索塔型钢分批吊装施工；根据索塔的断面布置图和索塔型钢的平面安装位置图，制作型钢定位架，按照型钢的平面位置布置图在定位架上打点做标记，将切割好的短节角钢按照做好的点位焊接在定位架上；根据索塔同排型钢的平面间距，制作型钢吊具，满足型钢吊具一次性可以吊装两根型钢；按照索塔型钢平面布置图，先分别吊装索塔四个拐角位置对应的四根型钢，并借助仪器设备精确调整每根型钢的垂直度，且焊接；将型钢定位架平置起吊至索塔位置，与已经安装的拐角四根型钢紧密且牢固连接；采用型钢吊具，分批起吊索塔型钢至待安装位置，完成型钢的定位和临时固定；施焊作业人员逐根对型钢进行焊接。克服常规的吊装施工方法所在的不足，提供一种高效、高质量、低风险的吊装施工方法。
Section steel hoisting construction method for steel reinforced concrete cable bent tower of cable-stayed swivel bridge
The invention discloses a cable-stayed swivel bridge steel reinforced concrete cable bent tower profile steel hoisting construction method. A profile steel positioning frame of a support, a profile steel sling, a connecting plate for temporarily fixing profile steel and a high-strength bolt for the connecting plate are arranged according to a cable bent tower profile steel plane; the cable bent tower profile steel is hoisted and constructed in batches according to the construction sequence requirement; according to the section arrangement diagram of the cable bent tower and the plane installation position diagram of the cable bent tower profile steel, a profile steel positioning frame is manufactured, dotting and marking are conducted on the positioning frame according to the plane position arrangement diagram of the profile steel, and the cut short section angle steel is welded to the positioning frame according to the made point positions; the profile steel lifting appliance is manufactured according to the plane spacing of the same row of profile steel of the cable bent tower, and the profile steel lifting appliance can lift two profile steel at a time; according to a cable bent tower profile steel plane arrangement diagram, firstly, four pieces of profile steel corresponding to the four corner positions of a cable bent tower are hoisted, the perpendicularity of each piece of profile steel is accurately adjusted with the help of instruments and equipment, and welding is conducted; horizontally lifting the profile steel positioning frame to the position of a cable bent tower, and tightly and firmly connecting the profile steel positioning frame with the installed four pieces of profile steel at the corners; adopting a profile steel lifting appliance to lift the sling tower profile steel to a to-be-mounted position in batches to finish positioning and temporary fixing of the profile steel; welding operators weld the section steel one by one. The defects of a conventional hoisting construction method are overcome, and the hoisting construction method which is efficient, high in quality and low in risk is provided.
一种斜拉转体桥型钢混凝土索塔型钢吊装施工方法，按照索塔型钢平面布置图支座的型钢定位架、型钢吊具、型钢临时固定用的连接板、连接板用高强螺栓；按照施工顺序要求对索塔型钢分批吊装施工；根据索塔的断面布置图和索塔型钢的平面安装位置图，制作型钢定位架，按照型钢的平面位置布置图在定位架上打点做标记，将切割好的短节角钢按照做好的点位焊接在定位架上；根据索塔同排型钢的平面间距，制作型钢吊具，满足型钢吊具一次性可以吊装两根型钢；按照索塔型钢平面布置图，先分别吊装索塔四个拐角位置对应的四根型钢，并借助仪器设备精确调整每根型钢的垂直度，且焊接；将型钢定位架平置起吊至索塔位置，与已经安装的拐角四根型钢紧密且牢固连接；采用型钢吊具，分批起吊索塔型钢至待安装位置，完成型钢的定位和临时固定；施焊作业人员逐根对型钢进行焊接。克服常规的吊装施工方法所在的不足，提供一种高效、高质量、低风险的吊装施工方法。
Section steel hoisting construction method for steel reinforced concrete cable bent tower of cable-stayed swivel bridge
一种斜拉转体桥型钢混凝土索塔型钢吊装施工方法
DONG YANGYANG (author) / DONG KANG (author) / ZHANG XINGHONG (author) / JIA YOUXIU (author) / GUAN WEI (author) / YANG YANJUN (author) / TIAN YONGKANG (author)
2024-12-10
Patent
Electronic Resource
Chinese
IPC:
E01D
BRIDGES
,
Brücken
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