Underwater anti-scouring environment-friendly composite material as well as preparation method and construction process thereof

A technology of composite materials and construction technology, which is applied in the direction of infrastructure engineering, sustainable waste treatment, solid waste management, etc., can solve the problems of wave flow erosion and corrosion of underwater platform foundations, and achieve strong anti-scourability, convenient construction, and anti-corrosion. strong dispersion effect

Active Publication Date: 2022-05-27
CHINA UNIV OF PETROLEUM (EAST CHINA)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of this, the present invention provides an underwater anti-scour environment-friendly composite material and its preparation method and construction technology, which fully utilizes the high water content silt in the sea, which not only ensures The scouring and strength indicators have been improved, and the purpose of environmental protection has been achieved, and the problem of erosion and corrosion of the underwater platform foundation by wave currents has been solved.

Method used

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  • Underwater anti-scouring environment-friendly composite material as well as preparation method and construction process thereof
  • Underwater anti-scouring environment-friendly composite material as well as preparation method and construction process thereof
  • Underwater anti-scouring environment-friendly composite material as well as preparation method and construction process thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0061] Component A in this embodiment includes the following raw materials by weight: cement: 53 parts; epoxy resin: 0.69 parts; silica fume: 32 parts; nano-SiO 2 : 4 parts; fly ash: 9 parts. The prepared component A is used for the consolidation of seabed silt. The water content of the silt is 90%. 120g of this component A is added to each kilogram of silt and stirred evenly. The performance index of the prepared composite material is shown in Table 2. The physical properties are shown in Table 1.

[0062] Table 1 Physical properties of in situ seabed silt

[0063] index Moisture content / % Density / g / cm 3

Organic matter content / % Liquid limit / % Plastic limit / % result 90 1.53 1.09 53.1 26.8

[0064] The 3-hour fluidity detection method is as follows: apply Vaseline to the inner wall of the plexiglass cylinder, place it in the center of the transparent glass plate, stir the solidified soil added with the composite material evenly for 3 hour...

Embodiment 2

[0072] Component A in this embodiment includes the following raw materials by weight: cement: 53 parts; epoxy resin: 0 parts; silica fume: 35 parts; nano-SiO 2 : 4 parts; fly ash: 9 parts. The prepared component A is used for the consolidation of seabed silt, the water content of the silt is 90%, and 120 g of this component A is mixed with each kilogram of silt and stirred evenly.

[0073] Table 3 The performance indexes of the prepared composite material solidified soil

[0074]

Embodiment 3

[0076] Component A in this embodiment includes the following raw materials by weight: cement: 53 parts; epoxy resin: 0.69 parts; silica fume: 35 parts; nano-SiO 2 : 4 parts; fly ash: 9 parts. The prepared component A is used for the consolidation of seabed silt, the water content of the silt is 90%, and 120 g of this component A is mixed with each kilogram of silt and stirred evenly. The performance index of the prepared composite material is shown in Table 3.

[0077] Table 4. The performance indexes of the composite solidified soil prepared in Table 4

[0078]

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Abstract

The invention discloses an underwater anti-scouring environment-friendly composite material as well as a preparation method and a construction process thereof, and relates to the technical field of underwater pile foundations. The adhesive comprises a component A and a component B. The component A comprises the following raw materials by weight: 70-80% of an inorganic gel component; 0.5%-1% of an organic gel component; 5-10% of an anti-dispersing agent component; 2-4% of a nanometer filling component; 7-10% of fly ash; and the component B is marine sludge. According to the composite material, the waste high-water-content sludge is fully utilized, the scouring and strength indexes are guaranteed, the environment-friendly purpose is achieved, and the problem that an underwater platform foundation is eroded and corroded by wave flow is solved.

Description

technical field [0001] The invention relates to the technical field of underwater pile foundations, in particular to an underwater anti-scour environment-friendly composite material, a preparation method and a construction process. Background technique [0002] my country has a long coastline and is rich in seabed silt resources. At the same time, piles of silt have accumulated in the waters of various docks and waterways along the coast. At present, the government has adopted a number of measures to reduce siltation, sucking a large amount of silt from the seabed and excavating it. A large amount of seabed silt extracted by mudboats is transported to deep ocean waters to be dumped or accumulated on the coast to form tidal flats, which wastes the potential application value of seabed silt. Therefore, how to make full use of seabed silt is an important issue. [0003] Nowadays, with the strong support of the state, the new energy industry has developed rapidly, such as offshor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04E02D27/12E02D15/00C04B111/20C04B111/24C04B111/27C04B111/74
CPCC04B28/04E02D27/12E02D15/00C04B2201/50C04B2111/00017C04B2111/74C04B2111/27C04B2111/20C04B2111/24C04B24/281C04B22/0006C04B14/062C04B20/008C04B18/08C04B18/0418Y02W30/91
Inventor 管友海徐瑞刘欣樊长琦曲爽
Owner CHINA UNIV OF PETROLEUM (EAST CHINA)
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