Intertidal zone cofferdam construction device and method

Abstract

The invention relates to an intertidal zone cofferdam construction device. The intertidal zone cofferdam construction device is characterized by comprising a first floating body component and a second floating body component which are placed on the upper surface of an intertidal zone; the first floating body component and the second floating body component are arranged on the two sides of a soil taking area; a first tower is fixedly arranged above the first floating body component, a second tower is fixedly arranged above the second floating body component, and a truss is arranged between the first tower and the second tower; one end of the truss extends to the position above the intertidal zone from the side of the first tower; a horizontal sliding rail arranged in the length direction of the truss is arranged on the truss, the sliding rail is provided with a walking trolley, the walking trolley is provided with a winch unit and a drive device, and a steel wire rope of the winch unit is connected with a grab bucket. The invention further discloses a cofferdam method utilizing the above intertidal zone cofferdam construction device for using of local materials on the cofferdam field. Above all, the problem that the construction technology of traditional cofferdams such as the sand bag cofferdam and the earth rock cofferdam is difficult is solved; and the work environment is improved, the work efficiency is improved, and the construction cost is reduced.

Description

technical field [0001] The invention belongs to the technical field of tidal flat cofferdams, in particular to a tidal flat cofferdam construction device and construction method. Background technique [0002] At present, this equipment is used for tidal flat cofferdam construction. In the tidal flat construction environment, the cofferdam foundation is underwater or a mud layer with high water content. Traditional cofferdams such as sand bag cofferdams and earth-rock cofferdams are relatively difficult to construct. At the same time, according to local conditions, referring to the market price in Taizhou, Zhejiang, the construction cost of traditional cofferdam is relatively high, and the unit price of construction cost of sand bag cofferdam is 150 yuan / m 3 , the construction cost of earth-rock cofferdam nearby is 30-40 yuan / m 3 ; and this device uses the soil outside the cofferdam to carry out cofferdam construction, and the unit price of construction cost is about 10 yuan...

AI Technical Summary

Problems solved by technology

[0002] At present, this equipment is used for tidal flat cofferdam construction. In the tidal flat construction environment, the cofferdam foundation is underwater or a mud layer with high water content. Traditional cofferdams such as sand bag cofferdams and earth-rock cofferdams are relatively difficult to construct. At the same time, according to local conditions, referring to the market price in Taizhou, Zhejiang, the construction cost of traditional cofferdam is relatively high, and the unit price of construction cost of sand bag cofferdam is 150 yuan / m 3 , the construction cost of earth-rock cofferdam nearby is 30-40 yuan / m 3 ; and this device uses the soil outside the cofferdam to carry out cofferdam construction, and the unit price of construction cost is about 10 yuan / m 3 , which greatly reduces the construction cost; but at the same time, due to the poor stability of the soil, a certain consolidation period is required, and the cofferdam cannot be filled in one go, so it is necessary to increase the height of the cofferdam layer by layer

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