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A platform for research: civil engineering, architecture and urbanism
Construction method of spanning type steel-concrete mixed bridge
The invention discloses a construction method of a spanning type steel-concrete mixed bridge. The construction method comprises the following steps that firstly, a concrete box girder and a bridge foundation are connected and fixed; secondly, a temporary supporting frame is erected at the to-be-connected end of the concrete box girder, and the steel concrete connecting segments are hoisted to the temporary supporting frame for position checking and adjusting; thirdly, the concrete box girder and the steel concrete connecting sections are fixed into a whole in a pouring mode; fourthly, the steel box girders are hoisted to the midspan area of the overpass bridge, and welding operation of the steel box girders, the adjacent steel box girders and the steel concrete connecting sections is conducted synchronously; fifthly, after welding of the steel box girder is completed, follow-up construction is conducted; according to the construction method, the mid-span area and the end-span area of the viaduct are constructed respectively and do not influence each other, meanwhile, the concrete box girders and the steel concrete connecting sections form a whole through pouring, and the strength of the overall structure of the viaduct and the reliability of connection are guaranteed; through the construction mode, the construction time of the midspan area is effectively shortened, the traffic pressure is relieved, and the construction cost is reduced.
本发明公开了一种跨越式钢砼混合桥梁的施工方法，包括以下步骤：步骤一、将混凝土箱梁与桥基础连接固定；步骤二、在混凝土箱梁的待连接端部搭设临时支撑架并将钢砼连接节段吊装临时支架处进行位置校核调整；步骤三、将混凝土箱梁与钢砼连接节段浇筑固定为一体；步骤四、吊装钢箱梁至跨线桥的跨中区并同步进行钢箱梁与相邻钢箱梁和钢砼连接节段的焊接作业；步骤五、钢箱梁焊接完成后进行后续施工；本发明提供的施工方法使高架桥的跨中区和跨端区分别进行施工，互不影响，同时混凝土箱梁和钢砼连接节段通过浇筑形成整体，保证了桥梁整体结构的强度和连接的可靠；通过这种施工方式，有效缩短了跨中区的施工时长，缓解了交通压力，降低了施工成本。
Construction method of spanning type steel-concrete mixed bridge
The invention discloses a construction method of a spanning type steel-concrete mixed bridge. The construction method comprises the following steps that firstly, a concrete box girder and a bridge foundation are connected and fixed; secondly, a temporary supporting frame is erected at the to-be-connected end of the concrete box girder, and the steel concrete connecting segments are hoisted to the temporary supporting frame for position checking and adjusting; thirdly, the concrete box girder and the steel concrete connecting sections are fixed into a whole in a pouring mode; fourthly, the steel box girders are hoisted to the midspan area of the overpass bridge, and welding operation of the steel box girders, the adjacent steel box girders and the steel concrete connecting sections is conducted synchronously; fifthly, after welding of the steel box girder is completed, follow-up construction is conducted; according to the construction method, the mid-span area and the end-span area of the viaduct are constructed respectively and do not influence each other, meanwhile, the concrete box girders and the steel concrete connecting sections form a whole through pouring, and the strength of the overall structure of the viaduct and the reliability of connection are guaranteed; through the construction mode, the construction time of the midspan area is effectively shortened, the traffic pressure is relieved, and the construction cost is reduced.
本发明公开了一种跨越式钢砼混合桥梁的施工方法，包括以下步骤：步骤一、将混凝土箱梁与桥基础连接固定；步骤二、在混凝土箱梁的待连接端部搭设临时支撑架并将钢砼连接节段吊装临时支架处进行位置校核调整；步骤三、将混凝土箱梁与钢砼连接节段浇筑固定为一体；步骤四、吊装钢箱梁至跨线桥的跨中区并同步进行钢箱梁与相邻钢箱梁和钢砼连接节段的焊接作业；步骤五、钢箱梁焊接完成后进行后续施工；本发明提供的施工方法使高架桥的跨中区和跨端区分别进行施工，互不影响，同时混凝土箱梁和钢砼连接节段通过浇筑形成整体，保证了桥梁整体结构的强度和连接的可靠；通过这种施工方式，有效缩短了跨中区的施工时长，缓解了交通压力，降低了施工成本。
Construction method of spanning type steel-concrete mixed bridge
跨越式钢砼混合桥梁的施工方法
LI TIANPENG (author) / CAO YINAN (author) / LUO YUNSONG (author)
2022-12-27
Patent
Electronic Resource
Chinese
IPC:
E01D
BRIDGES
,
Brücken
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