A kind of preparation method of submarine artificial reef

A technology of artificial reef and sulphoaluminate cement, which is applied in the field of building materials, can solve the problems of raw material transportation, loading and unloading storage and construction, difficulty in adapting to the environmental conditions of islands and reefs, difficulty in raw material loading and unloading and storage, etc., and achieve good underwater Effects of anti-dispersion ability, reduced construction cost, good intermeshing and bonding ability

Active Publication Date: 2018-04-13
博康特(北京)材料化学科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the traditional building materials currently on the market, such as: cement, river sand, gravel and fresh water, etc., for islands far away from the coastline of the mainland, the transportation, loading and unloading, storage and construction of these raw materials will become very difficult
Not only is the transportation cost too high, but at the same time, under the marine environmental conditions far away from the coastline of the mainland, especially the loading, unloading and storage of raw materials are almost difficult to put into practice, and the traditional underwater construction technology is also difficult to adapt to the environmental conditions of islands and reefs

Method used

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  • A kind of preparation method of submarine artificial reef
  • A kind of preparation method of submarine artificial reef
  • A kind of preparation method of submarine artificial reef

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Submarine artificial reef made of ordinary Portland cement.

[0031] Table 1: Raw materials used

[0032]

[0033]

[0034] Submarine artificial reefs prepared with Portland cement:

[0035] 42.5 ordinary Portland cement 32.40%, 42.5 early strength sulfoaluminate cement 1.60%, mortar modifier 2.94%, anti-dispersion agent 0.02%, silica fume 1.87%, fly ash 5.10%, slag 2.37%, bone Material 38.30%, seawater 15.40%,. After accurately weighing the raw materials according to the proportion, stir with a mortar mixer, add sea water while stirring, after stirring for 5-10 minutes, stop the machine for 1-3 minutes, continue stirring for 1-2 minutes, pour the stirred mortar into the In a 4cmx4cmx16cm mold with a depth of 20cm in water, take out the test mold from the water after 6 hours, scrape the surface of the mold with a scraper, put it in water again for 24 hours, and measure the compressive strength of the mortar for 1 day after removing the mold, and other test piece...

Embodiment 2

[0038] Seabed artificial reefs prepared with slag cement.

[0039] Table 2: Raw materials used

[0040]

[0041] Seabed artificial reefs prepared with slag cement:

[0042] 42.5 slag cement 35.20%, 42.5 early strength sulfoaluminate cement 2.10%, mortar modifier 2.72%, anti-dispersion agent 0.03%, silica fume 2.36%, fly ash 6.89%, aggregate 37.10%, seawater 13.60% . After accurately weighing the raw materials according to the proportion, stir with a mortar mixer, add sea water while stirring, after stirring for 5-10 minutes, stop the machine for 1-3 minutes, continue stirring for 1-2 minutes, pour the stirred mortar into the In a 4cm x 4cm x 16cm mold with a depth of 20cm in water, take out the test mold from the water after 6 hours, scrape the surface of the mold with a scraper, put it back into the water and maintain it for 24 hours, and measure the compressive strength of the mortar for 1 day after the mold is removed. The blocks were maintained in seawater at room te...

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Abstract

The invention belongs to the technical field of building materials, and specifically relates to a seabed artificial reef, which is composed of cement, sulphoaluminate cement, mortar modifier, anti-dispersion agent, silica fume, fly ash, slag, aggregate and mixing water. prepared in a certain proportion. The invention adopts modified cement-based cementitious material as the basic raw material of the artificial reef, and directly uses seawater as the mixing water to make the artificial reef, which has good fluidity under water, is not easy to disperse, and has a fast setting time. The daily compressive strength is about 5-30MPa, and the 28-day compressive strength is about 10-70MPa. The present invention uses cement, composite aggregate, seawater, etc. to prepare the seabed artificial reef, which is especially suitable for the construction and emergency repair of island reefs that lack building sand and fresh water, and have a long transportation distance and are far away from the coastline of the mainland. The preparation method of the invention is simple and convenient, and has wide application.

Description

technical field [0001] The invention belongs to the technical field of building materials, and in particular relates to a seabed artificial reef. Background technique: [0002] The 18th National Congress of the Communist Party of China clearly pointed out that building a maritime power is a major national strategy, and the development of the marine economy cannot be separated from the construction of marine engineering, especially the construction of marine engineering on islands and reefs far away from the coastline of the mainland. Due to the ebb and flow of sea water, the irregular distribution of reefs and hidden reefs around the island has brought a lot of inconvenience to the navigation of ships and the life and work of residents on the island. Therefore, rapid construction and repair of basic projects on islands and reefs , For example, the rapid construction of submerged reefs into clear reefs and the implementation of infrastructure projects have very important prac...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/06
Inventor 汪峻峰
Owner 博康特(北京)材料化学科技发展有限公司
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