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京石公路永定河大桥位于芦沟桥畔,为通往石家庄的要道。桥长1120m,宽25.5~28m。桥面为10cm厚300号现浇钢筋混凝土。由于施工工期所限,必须打破施工常规,即三伏天(桥面温度高达45℃) 和雨季进行施工,全桥桥面、栏杆、扶手、人行道表面积共33,600m~2。从1987年5月底至10月1日,连续浇注混凝土4000
Beijing-Shijiazhuang Highway Yongdinghe Bridge is located along the Lugou Bridge and is a major road leading to Shijiazhuang. The bridge is 1120m long and 25.5-28m wide. The bridge surface is 10cm thick and 300 cast-in-place reinforced concrete. Due to the limited construction period, it is necessary to break the construction routines, that is, the construction of the three days (deck temperature up to 45 °C) and the rainy season. The total surface area of bridge decks, railings, handrails, and sidewalks is 33,600 m2. From the end of May 1987 to October 1st, continuous pouring of concrete 4000