Artificial fish reef concrete and preparation method thereof

An artificial reef and concrete technology, which is applied in the intersection of building materials and marine engineering, can solve problems such as unfavorable algae adhesion and growth, shortened life of artificial reefs, and concrete expansion and deterioration, so as to be beneficial to seawater conservation and save transportation costs. , The effect of delaying rust

Active Publication Date: 2013-12-25
FUZHOU UNIV
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Problems solved by technology

[0005] Artificial fish reef concrete will encounter the following problems in the future development: (1) Ordinary Portland cement used in reinforced concrete artificial fish reefs has a high pH value, which is not conducive to algae attachment and growth, and its carbon emissions are high
(3) Salt erosion and biological corr

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  • Artificial fish reef concrete and preparation method thereof
  • Artificial fish reef concrete and preparation method thereof
  • Artificial fish reef concrete and preparation method thereof

Examples

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Embodiment Construction

[0025] In order to make the object, technical solution and advantages of the invention clearer, the present invention will be further described in detail through specific examples below.

[0026] An artificial fish reef concrete, which is prepared from cement, mixing water, fine aggregate, stones and admixtures, wherein the mass ratio of cement: mixing water: fine bones: stones is 1: (0.3~ 0.5): (1 ~ 1.8): (2.4 ~ 3.4); the preparation method is as follows: first dry mix the mixture of cement, fine aggregate and stones in the mixer, then dissolve the admixture in the mixing water and pour it into Stir in the dry-mixed mixture; pour the artificial reef concrete after mixing; remove the formwork after 12 to 24 hours of artificial reef concrete pouring, and perform seawater curing for 7 to 28 days.

[0027] In this embodiment, the artificial fish reef concrete pouring time is preferably 24 hours, and the artificial fish reef concrete pouring seawater curing is preferably 28 days. ...

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Abstract

The invention relates to artificial fish reef concrete and a preparation method thereof. The artificial fish reef concrete is prepared by raw materials including cement, mixing water, fine aggregate, stone and an additive, wherein the mass proportion of the cement to the mixing water to the fine aggregate to the stone is 1: (0.3-0.5): (1-1.8): (2.4-3.4); the artificial fish reef concrete is de-molded after being cast for 12 to 24 hours, and the de-molded artificial fish reef concrete is maintained in seawater for 7 to 28 days. The artificial fish reef concrete and the preparation thereof have the characteristics that a rapid-hardening sulphoaluminate cement is used as a cementing material, and the cementing material generates little Ca(OH)2 after being hydrated. Through maintaining the artificial fish reef concrete by seawater, the performance is excellent; in a natural sea area, the pH (potential hydrogen) of a pore liquid seeping from the surface of the concrete is similar to the pH value of the seawater in a short time, therefore, the concrete is beneficial for marine organisms such as sea algae and microorganism to adhere and breed; meanwhile, the concrete also has excellent workability, high strength and higher durability.

Description

technical field [0001] The invention belongs to the intersecting field of building materials and marine engineering, and relates to artificial fish reef concrete and a preparation method thereof. Background technique [0002] The 21st century is "the century of the ocean". All countries will raise the development of marine strategy to an unprecedented strategic height, and the development of marine economy will stand at a new historical starting point. While accelerating the development of the marine economy, the offshore ecological environment and resource constraints will also face further difficulties. It has become an essential trend to develop a system for the restoration and improvement of the marine environment. At present, countries around the world are competing to carry out marine engineering development projects for ecological restoration named after marine ranches. [0003] Among the several methods of marine ranching, the artificial reef is a three-dimensional...

Claims

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Application Information

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IPC IPC(8): C04B28/06C04B24/12C04B14/06C04B40/00
Inventor 季韬陈彩艺叶益龙
Owner FUZHOU UNIV
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