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High-performance foamed concrete and application thereof in bank protection retaining wall

A technology of foamed concrete and foaming agent, applied in the field of revetment and retaining walls, can solve problems such as easy deformation and damage, poor strength of retaining walls, great influence of fillers and construction methods, etc., to enhance integrity and improve compression resistance The effect of strength and light weight

Active Publication Date: 2021-07-23
福建豪科建设发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The general reinforced retaining wall is a flexible structure. The strength of the retaining wall itself is poor, and it is greatly affected by the filler and construction method, and it is prone to deformation and damage in the later stage.

Method used

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  • High-performance foamed concrete and application thereof in bank protection retaining wall

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] A high-performance foamed concrete, comprising the following components by mass: 30 parts of cement, 30 parts of recycled construction waste aggregate, 20 parts of fly ash, 0.5 part of foaming agent, 0.01 part of Dawa gum, 0.005 part of bentonite, 1 part of water reducer and 15 parts of water;

[0038] Wherein, the gradation of the recycled aggregate of construction waste is:

[0039] Particle size range Dosage

[0040] 0.5-0.9mm 20%;

[0041] 0.1-0.28mm margin;

[0042] The particle size of the fly ash is 100 microns;

[0043] The cement is ordinary Portland cement.

[0044] The preparation method of above-mentioned high-performance foamed concrete comprises the following steps:

[0045] S1. Make the water and water reducer in the formula amount into an aqueous solution;

[0046] S2, making foaming solution with foaming agent, Dawa gum and bentonite in formula quantity;

[0047] S3. Add the aqueous solution prepared in step S1 to the regenerated construction was...

Embodiment 2

[0050] A high-performance foamed concrete, comprising the following components by mass: 50 parts of cement, 15 parts of recycled aggregate from construction waste, 10 parts of fly ash, 0.8 parts of foaming agent, 0.05 parts of Dawa gum, 0.05 parts of bentonite, 1.5 parts of water reducing agent and 25 parts of water;

[0051] Wherein, the gradation of the recycled aggregate of construction waste is:

[0052] Particle size range Dosage

[0053] 0.5-0.9mm 10%;

[0054] 0.1-0.28mm margin;

[0055] The particle size of the fly ash is 300 microns;

[0056] The cement is ordinary Portland cement.

[0057] The preparation method of above-mentioned high-performance foamed concrete comprises the following steps:

[0058] S1. Make the water and water reducer in the formula amount into an aqueous solution;

[0059] S2, making foaming solution with foaming agent, Dawa gum and bentonite in formula quantity;

[0060] S3. Add the aqueous solution prepared in step S1 to the regenerated...

Embodiment 3

[0063] A high-performance foamed concrete, comprising the following components by mass: 45 parts of cement, 16 parts of recycled construction waste aggregate, 18 parts of fly ash, 0.7 part of foaming agent, 0.04 part of Dawa gum, 0.045 part of bentonite, 1.4 parts of water reducing agent and 22.5 parts of water;

[0064] Wherein, the gradation of the recycled aggregate of construction waste is:

[0065] Particle size range Dosage

[0066] 0.5-0.9mm 15%;

[0067] 0.1-0.28mm allowance;

[0068] The particle diameter of described fly ash is 200 microns;

[0069] The cement is ordinary Portland cement.

[0070] The preparation method of above-mentioned high-performance foamed concrete comprises the following steps:

[0071] S1. Make the water and water reducer in the formula amount into an aqueous solution;

[0072] S2, making foaming solution with foaming agent, Dawa gum and bentonite in formula quantity;

[0073] S3. Add the aqueous solution prepared in step S1 to the reg...

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Abstract

The invention discloses high-performance foamed concrete and application thereof in a bank protection retaining wall, the high-performance foamed concrete comprises the following components: cement, construction waste recycled aggregate, fly ash, a foaming agent, gum ghatti, bentonite, a water reducing agent and water, and the application is the application of the foamed concrete in the bank protection retaining wall. According to the high-performance foamed concrete, the stability of foam generated by the foaming agent is improved by adding the gum ghatti and the bentonite, so that the foam is not easy to break in the mixing process of the cement, the aggregate and the like, meanwhile, the compressive strength of the concrete is improved by taking the construction waste recycled aggregate and the fly ash as double aggregates and intermittently grading the two aggregates. The high-performance foamed concrete is applied to the bank protection retaining wall and has the advantages that the weight is light, the pressure on a foundation is low, meanwhile, compared with other flexible materials, the strength and the durability of the high-performance foamed concrete are greatly improved, and the integrity between supported soil bodies of the wall body is enhanced.

Description

technical field [0001] The invention relates to a revetment retaining wall in river course management, in particular to a high-performance foamed concrete and its application in revetment retaining walls. Background technique [0002] Bank revetment engineering is an engineering protection measure taken to prevent water and soil loss caused by water erosion on river embankments. At present, traditional protection technologies such as riprap revetment, geotextile sand pillow revetment, hinge sinking revetment, gravity retaining wall revetment, cast-in-place or prefabricated concrete hollow retaining wall revetment, slab or mold bag concrete revetment have been applied in a large number of water conservancy projects. application. [0003] CN20360315U discloses a wall plate type ecological retaining wall revetment structure, laying reinforced concrete prefabricated sheet piles at the bottom of the original slope facing the water, laying a flexible cushion on the top of the pre...

Claims

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Application Information

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IPC IPC(8): C04B38/10C04B28/04E02B3/12E02B3/14
CPCC04B28/04E02B3/12E02B3/128E02B3/14C04B2201/20C04B2201/50C04B18/167C04B18/08C04B24/34C04B14/104C04B2103/302C04B2103/42C04B38/10C04B38/0067Y02W30/91
Inventor 陈丽茉陈晓斌张李琳饶欢陈澜
Owner 福建豪科建设发展有限公司
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