Technique for building quick-speed consolidated platform near water by using clay under lake

A process method and technology of water platform, applied in infrastructure engineering, excavation, filling and other directions to achieve the effect of reducing investment

Inactive Publication Date: 2009-05-06
ANHUI SURVEY & DESIGN INST OF WATER CONSERVANCY & HYDROPOWER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] In order to solve the problem of taking clay from the lake bottom to build a rapidly consolidated waterfront platform, and to meet the requirements of lake shore stability and landscape platform load-bearing requirements, the present invention provides a process method for building a rapidly consolidated waterfront platform with clay from the lake bottom

Method used

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  • Technique for building quick-speed consolidated platform near water by using clay under lake
  • Technique for building quick-speed consolidated platform near water by using clay under lake
  • Technique for building quick-speed consolidated platform near water by using clay under lake

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Embodiment 1

[0050] One of the five largest freshwater lakes in my country has serious problems such as insufficient flood control standards along the shoreline, serious lakeside collapse, intensified soil erosion, and deterioration of the ecological environment along the lake. It is urgent to carry out flood control and ecological restoration projects along the lakeside. Combined with the flood control and landscape requirements of the lakeside city, it is necessary to build waterfront anti-wave forests and landscape platforms along the shoreline of the lake. According to the relevant regulations of environmental protection, it is not allowed to take soil from the land to fill the water platform in the lake, only to take soil from the bottom of the lake.

[0051] After a large-scale geological survey, the bottom of the lake is clay, and no sandy soil that is easy to consolidate has been found. The platform built by sucking mud from the bottom of the lake by conventional flushing method can...

Embodiment 2

[0067] Located on the shoreline of the same lake in Example 1, it is necessary to build a river crossing memorial square extending into the lake for about 250m, and its foundation platform is 60,000m 2 , the filling volume is 400,000 m 3 Also adopt this inventive process to get the lake bottom clay filling. The foundation platform 1 has high requirements on the compaction degree of the filling earthwork. The separation cofferdam 5 is excavated by the waterway and poured soil into the nearby water and cannot be compacted in layers. The separation cofferdam 5 is arranged in the platform filling area as in the embodiment 1. Difficult to meet engineering requirements.

[0068] The specific construction layout is shown in Fig. 6, and the processes of excavating the waterway 2, taking soil from the lake bottom, transporting the soil, unloading the soil, and pushing and leveling the soil for leveling are all the same as in Embodiment 1, and the separation cofferdam 5 is arranged out...

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Abstract

The invention relates to a process method for constructing a fast consolidated waterside platform by using clay from the bottom of a lake. The method does not use the conventional filling method for construction, but takes entire blocks of clay from the bottom of the lake and transports the clay to a lakeside for embanking, and comprises the following steps: channel excavation, breakwater construction, clay taking from the bottom of the lake, clay material transportation, clay unloading, clay pushing transportation and leveling, and ship channel backfilling. The waterside platform is a platform along the lake shoreline and can be designed into various shapes according to requirements, wherein the width is between 10 and 300 meters, the water depth at the waterside platform is between 1 and 3 meters, and the crest level of the platform is at least 0.5 meter higher than the normal water level. The method can use conventional barges of an internal lake to transport block stones to a filling surface through a ship channel directly, and adopt mechanical dumping to reduce labor intensity and shorten construction period; and the method can achieve the aim of constructing the waterside platform on the lake shoreline, which can consolidate fast and satisfy the requirements of lakeshore stability and bearing after the filling construction through taking the clay from the bottom of the lake. The method can reduce 30 to 50 percent of the investment compared with taking the clay from land to fill the platform, and can reduce two thirds to three fourths of the investment compared with sucking the clay from the bottom of the lake and then performing a secondary consolidation.

Description

technical field [0001] The invention belongs to the technical field of ecological environment construction and protection, and relates to civil engineering, in particular to a process method for comprehensively regulating lake shorelines by building a rapidly consolidated waterfront platform with clay taken from the bottom of a lake. Background technique [0002] With the development of society, it is particularly urgent to strengthen the improvement of water environment. Combined with the needs of flood control and landscape, the improvement of lake shoreline often requires the filling of shore foot platforms, anti-wave forest platforms and landscape near the lake to meet the requirements of lake shore stability and bearing capacity. Leisure platforms, etc., but according to the relevant environmental protection regulations, it is not allowed to fill the lake with soil from the land, and the platform can only be filled with lake bottom soil combined with lake dredging. [0...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D17/00E02D17/18E02F5/22E02F7/00
Inventor 徐有前骆克斌檀少彬董志红张启富武杰冯晚冬王天星黎平平
Owner ANHUI SURVEY & DESIGN INST OF WATER CONSERVANCY & HYDROPOWER
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