Island constructing caisson without leveling of foundation bed and construction method

A construction method and technology of caisson, applied in the direction of caisson, infrastructure engineering, construction, etc., can solve the problem of seldom used and so on

Inactive Publication Date: 2014-03-26
NO 2 ENG CO LTD OF CCCC FIRST HARBOR ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In general, island cofferdams usually level the foundation bed before installing components. This component belongs to the traditional dyke structure type an

Method used

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  • Island constructing caisson without leveling of foundation bed and construction method
  • Island constructing caisson without leveling of foundation bed and construction method
  • Island constructing caisson without leveling of foundation bed and construction method

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Embodiment Construction

[0018] Such as Figure 1 to Figure 3 As shown, the island-building caisson without foundation bed leveling of the present invention includes a prefabricated caisson, and the caisson includes a bottom plate 1, a groove 2 is reserved at the bottom plate 1, and a grouting bag 3 is arranged in the groove 2, and the grouting bag 3 is connected to the grouting pipe 4, the bottom plate 1 is provided with a sand injection hole 5, the grouting pipe 4 is connected to the grouting bag 3 through the sand injection hole 5, the bottom edge of one end of the caisson is provided with a protrusion 6, and the corresponding position of the other end is set to match The concave parts 7 of the caisson can be formed to engage with each other. The upper part of one end of the caisson is provided with a guide beam 8, and the upper part of the other end is provided with a guide groove 9 matched with the guide beam.

[0019] Such as Figure 4 As shown, the construction method of the non-bed caisson of...

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Abstract

The invention relates to an island constructing caisson without leveling of a foundation bed. The island constructing caisson without leveling of the foundation bed comprises a prefabricated caisson body, a grouting bag is arranged on a bottom plate of the caisson, and the grouting bag is connected with a grouting pipe. The invention further relates to a construction method of the island constructing caissons. The method includes the following steps that one caisson is positioned according to pre-determined design; the caisson is made to sink through ballast; when the caisson sinks to the pre-determined height, the caisson body is supported with a supporting device; binding material is injected to the grouting bag from the grouting pipe; after the binding material solidifies and reaches certain strength, the supporting device is taken out; sand and the ballast are injected to the bottom of the caisson, and pouring is performed; after the caisson is installed, a next caisson is installed according to the same steps. Due to the fact that grout is injected into the grouting bag after the caisson is placed well, concrete sets fast, the caisson body can be supported by the set concrete, setting is easy to control in the early stage of a caisson foundation, and setting and inclination in the construction period are not be caused easily.

Description

technical field [0001] The invention relates to a caisson structure and a construction method of the caisson. Background technique [0002] In general, island cofferdams usually level the foundation bed before installing components. This component belongs to the traditional dyke structure type and is widely used in dyke projects such as sand control dikes, breakwaters, renovation buildings, and bank revetments. It is seldom used in poor island conditions. The island-building components or caissons of the existing foundation-free leveling process are mainly gravity structures, which rely on the weight of the island-building components or caissons and the weight of backfill to resist the effects of waves, wind, water pressure and earth pressure, maintain the overall stability of the structure, and withstand The wave capacity is strong, the dam is self-heavy, the base pressure is high, and the requirements for the bearing capacity of the foundation are not high. Usually, a rip...

Claims

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Application Information

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IPC IPC(8): E02D23/00E02D23/08
Inventor 刘德进冯海暴张学俊曲俐俐李振国冯甲鑫付大伟
Owner NO 2 ENG CO LTD OF CCCC FIRST HARBOR ENG
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