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Novel environment-friendly foam cement light soil and preparation method thereof

A foamed cement and lightweight soil technology, applied in the field of lightweight soil, can solve the problem of low strength of foamed cement lightweight soil, and achieve the effects of improving strength and toughness, improving shear strength and reducing agglomeration

Active Publication Date: 2022-07-01
广东泰禾建设有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, because no aggregate is added and a large number of closed pores are contained, the strength of foam cement lightweight soil is low, which limits the use of

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] A preparation method of a novel environmentally friendly foamed cement lightweight soil:

[0050] Stir and mix 0.05kg of toluene-2,6-diisocyanate and 6kg of tetrahydrofuran, then heat up to 50°C, add 1kg of banana stem fibers, continue to stir and mix for 2 hours, filter after stirring, collect the filtrate and put it in an oven, and use 65 Dry at ℃ for 1 h to obtain modified banana stem fibers.

[0051] 0.065kg of sodium lauryl sulfate, 0.01kg of cocamidopropyl betaine, 0.025kg of sodium carboxymethyl starch and 0.3kg of the first portion of water were stirred and mixed for 20min to obtain a foam mixture.

[0052] Stir and mix 0.19kg of modified banana stem fiber and 0.08kg of orange peel fiber for 10min, then add 1.5kg of slag and 8.5kg of cement, continue to stir for 2min, then add 4.7kg of the second portion of water, continue to stir for 1min, and then add the foam mixture , and continue to stir for 1 min to obtain a new type of environmentally friendly foamed cem...

Embodiment 2

[0054] A preparation method of a novel environmentally friendly foamed cement lightweight soil:

[0055] Stir and mix 0.14 kg of toluene-2,6-diisocyanate and 8 kg of tetrahydrofuran, then heat up to 60 ° C, add 1 kg of banana stem fibers, continue to stir and mix for 2 hours, filter after stirring, collect the filtrate and put it in an oven, and use 65 Dry at ℃ for 1 h to obtain modified banana stem fibers.

[0056] 0.09kg of sodium lauryl sulfate, 0.03kg of cocamidopropyl betaine, 0.06kg of sodium carboxymethyl starch and 0.3kg of the first portion of water were stirred and mixed for 20min to obtain a foam mixture.

[0057] Stir and mix 0.28kg of modified banana stem fiber and 0.14kg of orange peel fiber for 10min, then add 2.5kg of fly ash and 11kg of cement, continue to stir for 2min, add 6.2kg of the second part of water, continue to stir for 1min, and then add foam to mix liquid, and continue to stir for 1 min to obtain a new type of environmentally friendly foamed cemen...

Embodiment 3

[0059] A preparation method of a novel environmentally friendly foamed cement lightweight soil:

[0060] Stir and mix 0.1 kg of toluene-2,6-diisocyanate and 6 kg of tetrahydrofuran, then heat up to 55 ° C, add 1 kg of banana stem fibers, continue to stir and mix for 2 h, filter after stirring, collect the filtrate and put it in an oven, at 65 Dry at ℃ for 1 h to obtain modified banana stem fibers.

[0061] 0.09kg of sodium lauryl sulfate, 0.03kg of cocamidopropyl betaine, 0.06kg of sodium carboxymethyl starch and 0.3kg of the first portion of water were stirred and mixed for 20min to obtain a foam mixture.

[0062] Stir and mix 0.25kg of modified banana stem fiber and 0.12kg of orange peel fiber for 10min, then add 1.8kg of fly ash and 9.2kg of cement, continue to stir for 2min, then add 5.2kg of the second part of water, continue to stir for 1min, and then add foam The mixed solution was continuously stirred for 1 min to obtain a new type of environmentally friendly foamed c...

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PUM

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Abstract

The invention discloses novel environment-friendly foamed cement light soil and a preparation method thereof, and belongs to the field of light soil. The novel environment-friendly foam cement light soil is prepared from the following raw materials in parts by weight: cement, a mineral admixture, a foaming agent, water, modified banana stem fibers and orange peel fibers, and the raw materials for preparing the banana stem fibers comprise banana stem fibers, toluene diisocynate and a solvent. The preparation method comprises the following steps: stirring and mixing toluene diisocynate and a solvent, then adding banana stem fibers, continuously stirring and mixing, filtering, and drying a filter body to obtain modified banana stem fibers; stirring and mixing a foaming agent and water to obtain a foam mixed solution; and stirring and mixing the modified banana stem fiber and the orange peel fiber, then adding a mineral admixture and cement, continuously stirring, then adding water, continuously stirring, then adding the foam mixed solution, and continuously stirring to obtain the novel environment-friendly foam cement light soil. The method has the advantage that the strength of the foamed cement light soil is improved.

Description

technical field [0001] The present application relates to the field of lightweight soil, in particular to a novel environmentally friendly foamed cement lightweight soil and a preparation method thereof. Background technique [0002] At present, in the field of construction, people's functional requirements for building materials are increasing, and foamed cement lightweight soil can meet a variety of functional requirements, such as thermal insulation, heat insulation and light weight. Foamed cement light soil is produced by foaming with a foaming agent, and the foam is evenly mixed with the cement slurry, and then cast in place. The foam cement light soil contains a large number of closed pores. Achieve lightweight and thermal insulation. [0003] Foamed cement lightweight soil generally does not add aggregates, which makes the fluidity good and facilitates pumping construction. Due to the construction convenience and thermal insulation properties of foamed cement lightwe...

Claims

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Application Information

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IPC IPC(8): C04B28/00C04B38/10C04B20/02C04B20/10C04B18/24C04B111/20C04B111/40
CPCC04B28/00C04B38/106C04B20/023C04B20/1048C04B2111/40C04B2111/203C04B2201/50C04B18/141C04B18/248C04B24/16C04B24/124C04B24/38C04B18/08Y02W30/91
Inventor 唐能刘湘江彭智良
Owner 广东泰禾建设有限公司