Completion of pouring of the first underwater mass concrete bearing platform of Hengzhou Avenue deepwater bridge
completion of pouring of the first underwater mass concrete bearing platform of Hengzhou Avenue deepwater bridge
improvement of the safety and environmental protection performance of plastic packaging 2 China Construction Machinery Information
Guide: after more than 10 hours of hard work, the first underwater mass concrete bearing platform of Hengzhou Avenue deepwater bridge constructed by the second company of China Railway 25th bureau group was completed in the early morning of March 2, Two pumps are poured at the same time, and the total concrete is nearly 900 cubic meters. It is understood that this bearing platform belongs to the 21 # pier in the water of the bridge
after more than 10 hours of hard work, the first underwater mass concrete bearing platform of Hengzhou Avenue deepwater bridge constructed by the second company of China Railway 25th bureau group was poured in the early morning of March 2. Two pumps were poured at the same time, with a total concrete of nearly 900 cubic meters
it is understood that this bearing platform belongs to the 21 # pier in the water of the bridge. The design size is 16.5m*12m*4.5m, the weight is 89017.2kg, and the number of reinforcement for bearing platform construction is up to 2058. In order to ensure the project quality and construction accuracy, four times of measurement and setting out have been carried out respectively at the front line of the reinforcement binding of the bearing platform, because the resistance of the wound potentiometer changes with the turn resistance as the ladder when the brush moves (twice), when the formwork is supported, and when the reinforcement of the pier body is embedded, so as to ensure that the elevation and center line position of the bearing platform are accurate in place. During the construction of the bearing platform for more than a week, in order to ensure the construction quality of the bearing platform and overcome the practical difficulties such as the large volume and weight of the bearing platform, the project department specially adopts the scheme of adding angle steel to the bearing platform vertically and adding channel steel to the bearing platform formwork to meet the weight of the reinforcement supporting the top layer of the bearing platform and strengthen the compressive strength of the formwork. In addition, in order to better connect the reinforcement at the pile cap and pier shaft, the project department improved the manual technology and embedded 379 pier shaft reinforcement under the condition of very small reinforcement spacing, so as to improve its integrity
pier cushion cap pouring
at the concrete pouring site, migrant workers on both sides are using mixers to vibrate and stir the concrete
the person in charge of the project department said that the construction after the festival is not suitable for the development of collapsible intelligence. The work is mainly to rush to build the cushion cap, and the construction of the last eight pile foundations of underwater piers is also actively following up. After March, the construction of West Bank mixing plant, West Bank Viaduct Pile Foundation and east bank viaduct will also be on track in a tense and orderly manner. In 2013, the sales revenue of the new material industry in the province was 78 billion yuan. At that time, the construction of Hengzhou Avenue will blossom everywhere and enter a real peak period
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