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新洪塘大桥主塔上梁!闽侯二桥2021年合龙!闽侯—福州主城将提速

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闽侯路网建设又传“捷报”!新洪塘大桥主塔“上梁”,建成后,闽侯上街来往福州城区只要五分钟!而闽侯二桥栈桥本月底即将完成搭设!

新洪塘大桥主塔“上梁”

日前,洪塘大桥拓宽改建工程项目主塔上横梁顺利提升安装,这标志着该项目又一个控制性节点工程取得突破。

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▲新洪塘大桥主塔“上梁”吴国棋/摄

洪塘大桥拓宽改建工程由中交二航局承建。主桥为独塔双索面自锚式悬索桥,总体布置依次为50米锚跨,150米主跨,150米边跨,50米锚跨,采用半漂浮结构体系。主桥采用型直立柱门式主塔,上横梁为主塔施工关键控制点之一,采用单箱矩形全钢结构,结构尺寸为长46米,宽4米,高5.5米,总重约244吨。

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▲俯瞰新洪塘大桥陈炜/摄

上街到福州城区只要五分钟

重要跨江通道,每天交通压力大。老洪塘大桥为双向两车道,新建洪塘大桥将在旧桥上下游各建三分之一桥面,再拆除中间旧桥建新桥,从而达到双向八车道的标准。

新洪塘大桥于2017年开工,工期36个月,路线总长约2.2公里,主线采用设计速度60公里/小时的双向八车道标准建设,预计2020年通车。

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XXAfter the completion of the new Hongtang Bridge, from Fuzhou City to Minhou Street, Yangqiao Road - Hongshan Bridge - Miaofeng Tunnel - Hongtang Bridge - Minhou Street, will achieve no traffic lights (three existing traffic lights), smooth Entering the city passage in the west. The journey time will be shortened from at least half an hour to five or six minutes, which will greatly alleviate the traffic congestion in the university town area to Fuzhou.

Minhou Second Bridge Trestle Bridge is about to be completed

Minhou Second Bridge is the first double-tower cable-stayed bridge in Minhou County. The total investment of the project is about 1.682 billion yuan. It is expected that the main bridge will be completed in July of the following year.

The construction of the bridge on the north and south shores of the first project of Minhou Second Bridge is currently in full swing and will be completed by the end of this month.

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▲ At the site of the steel trestle bridge on the north bank of Minhou Second Bridge, a steel frame trestle has been built on the Lijiang River. Workers are working with machinery to build the remaining trestle bridge deck.

The bridge of the Minhou Second Bridge is divided into two sides, which are synchronously propelled on the north and south sides. The bridge between the north and south coasts is disconnected, leaving a navigation hole with a width of 280 meters.

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▲The interaction effect of the north shore of Minhou Second Bridge

According to the project department, the length of the main trestle on the north side is about 350 meters, and the width of the trestle bridge is 9 meters. It is arranged on the downstream side of the bridge. At present, it is about 220 meters, and the remaining 130 meters. In the next week, it is expected to complete the construction of the North Shore main trestle. The main trestle of the South Bank is longer, with a total length of about 650 meters. Currently completed about 200 meters, it is expected that the construction of the main bridge on the South Bank will also be completed at the end of the month.

嗡嗡xx