A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Three-span continuous arch structure bridge
The invention provides a three-span continuous arch structure bridge which comprises arch ribs, a main beam and a plurality of hanging rods, the arch rib is composed of a first hole span, a second hole span and a third hole span which continuously extend in the bridge direction. The heights and spans of the first hole span, the second hole span and the third hole span are sequentially reduced, thefirst hole span, the second hole span and the third hole span are of asymmetric structures, the two ends of the arch rib and the connecting point of every two adjacent hole spans are supported on themain beam, the upper ends and the lower ends of the hanging rods are anchored to the arch ribs and the main beam respectively. The three-span continuous arch structure bridge is based on the limitation of bridge crossing control points. Bridge hole spans are arranged according to a 'large + medium + small' span; the line shape of the arch ribs is formed by fitting various curves, the single holespan is asymmetric, the three hole spans are integrally in a ribbon shape, the structural shape is more attractive and harmonious, meanwhile, the strength, fatigue and stability of the arch rib can beguaranteed, and reasonable stress of the arch ribs and the main beam is further guaranteed through tension of the suspenders on the arch ribs.
本发明提供了一种三跨连续拱结构桥梁，包括拱肋、主梁和吊杆，所述拱肋由顺桥向连续延伸的第一孔跨、第二孔跨和第三孔跨构成，所述第一孔跨、第二孔跨、第三孔跨的高度和跨度依次减小，且第一孔跨、第二孔跨和第三孔跨均为不对称结构，所述拱肋的两端及相邻两个孔跨的连接点支撑于主梁上，所述吊杆有多根，且其上下两端分别锚固于拱肋和主梁上。该发明根据桥梁跨越控制点的限制，桥梁孔跨按照“大+中+小”的跨径布置，拱肋的线形由多种曲线拟合而成，单个孔跨内不对称，且三个孔跨整体上呈飘带造型，结构造型更加美观协调，同时可保证拱肋强度、疲劳、稳定性，而且拱肋上吊杆的拉力进一步保证了拱肋与主梁的受力合理。
Three-span continuous arch structure bridge
The invention provides a three-span continuous arch structure bridge which comprises arch ribs, a main beam and a plurality of hanging rods, the arch rib is composed of a first hole span, a second hole span and a third hole span which continuously extend in the bridge direction. The heights and spans of the first hole span, the second hole span and the third hole span are sequentially reduced, thefirst hole span, the second hole span and the third hole span are of asymmetric structures, the two ends of the arch rib and the connecting point of every two adjacent hole spans are supported on themain beam, the upper ends and the lower ends of the hanging rods are anchored to the arch ribs and the main beam respectively. The three-span continuous arch structure bridge is based on the limitation of bridge crossing control points. Bridge hole spans are arranged according to a 'large + medium + small' span; the line shape of the arch ribs is formed by fitting various curves, the single holespan is asymmetric, the three hole spans are integrally in a ribbon shape, the structural shape is more attractive and harmonious, meanwhile, the strength, fatigue and stability of the arch rib can beguaranteed, and reasonable stress of the arch ribs and the main beam is further guaranteed through tension of the suspenders on the arch ribs.
本发明提供了一种三跨连续拱结构桥梁，包括拱肋、主梁和吊杆，所述拱肋由顺桥向连续延伸的第一孔跨、第二孔跨和第三孔跨构成，所述第一孔跨、第二孔跨、第三孔跨的高度和跨度依次减小，且第一孔跨、第二孔跨和第三孔跨均为不对称结构，所述拱肋的两端及相邻两个孔跨的连接点支撑于主梁上，所述吊杆有多根，且其上下两端分别锚固于拱肋和主梁上。该发明根据桥梁跨越控制点的限制，桥梁孔跨按照“大+中+小”的跨径布置，拱肋的线形由多种曲线拟合而成，单个孔跨内不对称，且三个孔跨整体上呈飘带造型，结构造型更加美观协调，同时可保证拱肋强度、疲劳、稳定性，而且拱肋上吊杆的拉力进一步保证了拱肋与主梁的受力合理。
Three-span continuous arch structure bridge
一种三跨连续拱结构桥梁
WANG XINGUO (author) / YAN AIGUO (author) / LUO CHUNLIN (author) / WU MENGCHANG (author) / LIU GUILIN (author) / ZHOU JI (author) / WANG XIAOFEI (author) / HUANG ZHEN (author) / LIU SHIWEN (author) / LI WENHAO (author)
2020-10-16
Patent
Electronic Resource
Chinese
IPC:
E01D
BRIDGES
,
Brücken
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