Box culvert and caisson combined structure and construction method

Abstract

The invention provides a combined structure of a box culvert and a caisson and a construction method, which is characterized in that: the interior of the water-passing box culvert and the large caisson is connected by steel bars, and concrete is integrally poured to form the combined structure of the box culvert and the caisson, and the water-passing box culvert and the large caisson The bottom of the same concrete floor. A water flow channel is arranged in the water tank culvert, and holes are opened on the mediastinal wall, and through holes are opened on the front wall and the back wall. It constitutes the embankment part of the gravity wharf or breakwater, the lower part is the block stone foundation bed on the seabed, the upper part is the reinforced concrete parapet and block stone prism, and the top is the surface structure. The present invention changes from the original individual shipment and installation to the overall shipment and installation, which reduces the number of times of launching, long-distance floating and installation in the prefabrication yard, saves the construction period and cost, and is convenient and safe to construct; the structure of the water box culvert solves the problem of The water exchange between the harbor basin and the open sea ensures the water quality of the harbor basin, reduces wave penetration, and protects the safety of facilities in the harbor basin.

Description

technical field [0001] The invention belongs to the field of port, coastal engineering and harbor basin water environment protection retrieval, and mainly relates to a large-scale reinforced concrete prefabricated heavy part structure and construction method of port and coastal engineering, specifically a combined structure of a box culvert and a caisson and a construction method. Background technique [0002] Concrete box culverts are used for drainage or water intake, or to communicate with internal and external water systems to ensure water quality. They are generally light in weight and are installed by hoisting or dry construction on land. When the box culvert reaches tens of meters in length and weighs thousands of tons, it is very difficult to install at sea, and a super-large crane is required for lifting. Since there is no water-blocking area closed around and at the bottom like the caisson, the surrounding area must be closed when floating in the sea And buoyancy m...

AI Technical Summary

Problems solved by technology

[0005] The invention provides a combination structure of box culvert and caisson and a construction method, which mainly solves the problem of difficult and unsafe floating installation of large box culverts, reduces the times of launching, long-distance floating transportation and installation in the prefabrication yard, reduces engineering costs and construction The construction period; the further purpose is to rationally arrange the structure of the tank culvert, solve the problem of water exchange between the harbor basin and the open sea, ensure the water quality of the harbor basin, reduce wave penetration, and protect the safety of facilities in the harbor basin

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