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Wave-blocking concrete block

A technology of concrete and water reducing agent, which is applied in the direction of climate change adaptation, coastline protection, jetty, etc., and can solve the problems of common wave-blocks being not resistant to erosion, not resistant to erosion and durability of salt solution, nickel slag occupying land and polluting the environment, etc. Achieve high resistance to chlorine salt corrosion, strong erosion resistance, and improve construction quality

Active Publication Date: 2016-11-09
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Technical problem: The technical problem to be solved by the present invention is to provide a concrete wave block. This invention firstly solves the durability problems of ordinary wave block such as not being resistant to erosion and saline solution erosion, and secondly solves the land pollution occupied by nickel slag. environmental problems

Method used

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Experimental program
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Effect test

Embodiment 1

[0030] The concrete for the wave block is composed of the following parts by mass: 300 parts of PII 52.5 cement, 80 parts of mineral powder, 100 parts of nickel slag powder, 900 parts of nickel slag aggregate, 900 parts of stone, 145 parts of water, and 4 parts of polycarboxylate superplasticizer 3 parts, 3 parts of sodium hydroxide, 3 parts of sodium silicate, 30 parts of steel fibers with a length of 10 mm and an aspect ratio of 30, 2 parts of sodium stearate, and 5 parts of redispersible latex powder. Apply a layer of two-component water-based polyurethane coating on the concrete surface 28 days after the wave block concrete is poured.

Embodiment 2

[0032] P0 42.5 400 parts of cement, 30 parts of mineral powder, 60 parts of nickel slag powder, 700 parts of nickel slag aggregate, 1100 parts of stone, 135 parts of water, 4 parts of aliphatic water reducer, 1 part of sodium hydroxide, 3 parts of sodium silicate Parts, 20 parts of steel fiber with a length of 50 mm and an aspect ratio of 60, KOCH 2 5 parts of OH, 2 parts of redispersible latex powder. Apply a layer of two-component water-based polyurethane coating on the concrete surface 28 days after the wave block concrete is poured.

Embodiment 3

[0034] 360 parts of PII 52.5 cement, 20 parts of mineral powder, 100 parts of nickel slag powder, 600 parts of nickel slag aggregate, 1200 parts of stone, 135 parts of water, 4 parts of polycarboxylate superplasticizer, 2 parts of sodium hydroxide, sodium silicate 4 parts, 30 parts of steel fiber with a length of 15mm and an aspect ratio of 60, KOCH 2 5 parts of OH, 2 parts of redispersible latex powder. After 28 days of concrete pouring for the wave block, the surface of the concrete is impregnated with γ-glycidyl etheroxypropyl trimethoxysilane solution.

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Abstract

The invention relates to a wave-blocking concrete block. The wave-blocking concrete block is prepared from, by mass, 300-400 parts of 52.5 or 42.5 cement, 20-80 parts of mineral powder, 30-100 parts of nickel slag powder, 600-900 parts of nickel slag aggregate, 900-1200 parts of stones, 125-145 parts of water, 4-5 parts of a water reducing agent, 3-6 parts of an exciting agent, 20-30 parts of steel fibers, 2-5 parts of an infiltration crystalline waterproof agent and 2-5 parts of redispersible latex powder. The concrete surface is coated with a layer of two-component waterborne polyurethane coating or dipped with an organic silane solution after 28 days after casting of the wave-blocking concrete block. The durability problems of common wave-blocking concrete blocks which are not resistant to scour and salt tolerance are solved, meanwhile nickel slag is utilized, and the problems of resource waste and environmental pollution are solved to some degree.

Description

technical field [0001] The invention relates to the field of concrete for coastal protection, in particular to a concrete wave-stopping block. Background technique [0002] my country's coastline is long, and the damage and erosion of the revetment wave wall caused by strong wind waves and storm surges is relatively serious. Chloride ions and sulfate ions in seawater also have a certain impact on the wave wall. Under multiple erosion conditions such as wind waves and salt solution, the wave retaining wall is severely damaged and has a short service life. In addition, due to the convenient transportation along the coastline, many metallurgical enterprises are built near the coastline, but the metallurgical slag (nickel slag, etc.) Landfill disposal, on the one hand pollutes the environment, on the other hand wastes resources. [0003] At present, most of the existing literature starts with the architectural structure design of coastal protection facilities to improve the an...

Claims

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Application Information

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IPC IPC(8): C04B28/04C04B41/48C04B41/49E02B3/06
CPCC04B28/04C04B41/009C04B41/4884C04B2201/50E02B3/06C04B18/12C04B18/144C04B14/02C04B2103/302C04B22/062C04B22/08C04B14/48C04B2103/65C04B2103/0057C04B41/4505C04B41/4535Y02A10/11
Inventor 张亚梅李保亮潘东张培根孙正明
Owner SOUTHEAST UNIV
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