Construction platform and construction method of pebble bed large-scale deep water foundation

A construction platform and deep-water foundation technology, applied in infrastructure engineering, water conservancy engineering, artificial islands, etc., can solve problems such as construction deviation, impact on construction period, stagnation, etc., and achieve the effect of ensuring stability, saving resources, and accurate limit.

Pending Publication Date: 2018-06-19
CHINA GEZHOUBA GROUP NO 5 ENG
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  • Abstract
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  • Claims
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Problems solved by technology

[0002] At present, the geology is located in the pebble layer in the upper reaches of the Yangtze River, and the construction of large-scale deep-water foundation construction platforms is mainly to build pile foundation construction platforms and cofferdam construction platforms, flow operation, and step-by-step construction. The disadvantage is that the construction platform requires a large number of temporary components. , as a cofferdam assembly and lowering, and pile foundation construction platform, it brings construction complexity to the early installation and later dismantling; the pile foundation and cofferdam are constructed step by step, and it is often necessary

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  • Construction platform and construction method of pebble bed large-scale deep water foundation

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Embodiment 2

[0042] The construction method of the large-scale deep water foundation construction platform of pebble layer comprises the following steps:

[0043] Step1: Use the chain bucket ship and suction dredger to carry out rough leveling and fine leveling of the cofferdam bottom foundation to reach the design bottom elevation of the cofferdam bottom sealing concrete;

[0044] Step2: Use the first steel pipe vertical rod 3, the second steel pipe vertical rod 6, the first double I-shaped steel pad beam 4, and the second double I-shaped steel pad beam 5, and assemble 5-7m high steel on two large barges 34 The space truss structure in which the casing 1 is positioned constitutes a construction platform, and a plurality of second steel pipe auxiliary piles 20 are respectively inserted and driven on the upper and lower reaches of the platform, wherein the downstream second steel pipe auxiliary piles 20 are used as auxiliary piles for the subsequent cofferdam assembly platform;

[0045] Ste...

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Abstract

The invention provides a construction platform and a construction method of a pebble bed large-scale deep water foundation. The construction platform comprises barges which are symmetrically arranged,wherein a space truss structure which is used for locating steel protective tubes is assembled between the top parts of the barges; a protective tube inserting platform is arranged at the top part ofthe space truss structure; multiple groups of first double I-shaped steel carrying pole beams are arranged between the top parts of adjacent steel protective tubes; platform hoisting equipment for lifting the whole platform is arranged between the first double I-shaped steel carrying pole beams and the space truss structure. Two large barges are utilized for constructing a protective tube placement space truss construction platform, the platform is wholly lifted after all protective tubes are in place, and the platform is then utilized as a pile foundation construction, cofferdam assembling and lowering platform, so that the construction efficiency is increased, and the construction quality is ensured.

Description

technical field [0001] The invention belongs to the technical field of construction platforms on water, and in particular relates to a construction platform and method for large-scale deep-water foundations in pebble layers. Background technique [0002] At present, the geology is located in the pebble layer in the upper reaches of the Yangtze River, and the construction of large-scale deep-water foundation construction platforms is mainly to build pile foundation construction platforms and cofferdam construction platforms, flow operation, and step-by-step construction. The disadvantage is that the construction platform requires a large number of temporary components. , as a cofferdam assembly and lowering, and pile foundation construction platform, it brings construction complexity to the early installation and later dismantling; the pile foundation and cofferdam are constructed step by step, and it is often necessary to avoid two flood periods to complete the construction, ...

Claims

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Application Information

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IPC IPC(8): E02B17/00E02D19/04
CPCE02B17/00E02D19/04E02B2017/0047E02B2017/0039
Inventor 刘雄黄胜春陈郭方涛钟君亮骆大新任玉香徐智勤房虹汝
Owner CHINA GEZHOUBA GROUP NO 5 ENG
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