Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Large-span bridge structure under height-limited condition and construction method thereof
A large-span bridge structure under a height-limited condition comprises main cables, slings, stay cables, main beams, bridge towers, bridge tower bearing platforms, bridge tower foundations, side-span bridge piers, bridge pier bearing platforms and bridge pier foundations. The main beams are closed steel box main beams, the main cables are directly anchored on the main beams, the bridge towers are all-steel structure bridge towers, and a midspan area of a bridge main span is a main cable bearing area. The area, close to the bridge towers, of the bridge main span is a stay cable bearing area,and a common bearing area where the slings and the stay cables are arranged in a crossed manner is arranged between the main cable bearing area and the stay cable bearing area. The invention further provides a construction method of the large-span bridge structure under the height-limited condition. According to the large-span bridge structure, by reasonably distributing the bearing proportion ofthe main cables and the stay cables, the adverse effects caused by the low bridge tower height, the small main cable vertical span ratio and the small stay cable angle under the height-limited condition are overcome, the large span is achieved, and meanwhile good stress performance and good overall economy are obtained.
一种高度受限条件下的大跨度桥梁结构，包括主缆、吊索、斜拉索、主梁、桥塔、桥塔承台、桥塔基础、边跨桥墩、桥墩承台、桥墩基础，主梁为闭口钢箱主梁，主缆直接锚固于主梁上，桥塔为全钢结构桥塔，桥梁主跨的跨中区域为主缆承重区，桥梁主跨的靠近桥塔区域为斜拉索承重区，主缆承重区和斜拉索承重区之间为吊索和斜拉索交叉布置的共同承重区。还提供一种高度受限条件下的大跨度桥梁结构的施工方法。本大跨度桥梁结构通过合理分配主缆和斜拉索的承重比例，克服了高度受限条件下桥塔高度低、主缆垂跨比小、斜拉索角度小带来的不利影响，在实现大跨度的同时获得了良好的受力性能和较好的整体经济性。
Large-span bridge structure under height-limited condition and construction method thereof
A large-span bridge structure under a height-limited condition comprises main cables, slings, stay cables, main beams, bridge towers, bridge tower bearing platforms, bridge tower foundations, side-span bridge piers, bridge pier bearing platforms and bridge pier foundations. The main beams are closed steel box main beams, the main cables are directly anchored on the main beams, the bridge towers are all-steel structure bridge towers, and a midspan area of a bridge main span is a main cable bearing area. The area, close to the bridge towers, of the bridge main span is a stay cable bearing area,and a common bearing area where the slings and the stay cables are arranged in a crossed manner is arranged between the main cable bearing area and the stay cable bearing area. The invention further provides a construction method of the large-span bridge structure under the height-limited condition. According to the large-span bridge structure, by reasonably distributing the bearing proportion ofthe main cables and the stay cables, the adverse effects caused by the low bridge tower height, the small main cable vertical span ratio and the small stay cable angle under the height-limited condition are overcome, the large span is achieved, and meanwhile good stress performance and good overall economy are obtained.
一种高度受限条件下的大跨度桥梁结构，包括主缆、吊索、斜拉索、主梁、桥塔、桥塔承台、桥塔基础、边跨桥墩、桥墩承台、桥墩基础，主梁为闭口钢箱主梁，主缆直接锚固于主梁上，桥塔为全钢结构桥塔，桥梁主跨的跨中区域为主缆承重区，桥梁主跨的靠近桥塔区域为斜拉索承重区，主缆承重区和斜拉索承重区之间为吊索和斜拉索交叉布置的共同承重区。还提供一种高度受限条件下的大跨度桥梁结构的施工方法。本大跨度桥梁结构通过合理分配主缆和斜拉索的承重比例，克服了高度受限条件下桥塔高度低、主缆垂跨比小、斜拉索角度小带来的不利影响，在实现大跨度的同时获得了良好的受力性能和较好的整体经济性。
Large-span bridge structure under height-limited condition and construction method thereof
一种高度受限条件下的大跨度桥梁结构及其施工方法
GU MINJIE (Autor:in) / MA BIAO (Autor:in) / ZOU XIAOJIE (Autor:in) / WANG QINGQIAO (Autor:in)
15.12.2020
Patent
Elektronische Ressource
Chinesisch
IPC:
E01D
BRIDGES
,
Brücken
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