Low-clinker high-impermeability field floor hardening material based on dry process desulfurized fly ash

A technology for dry desulfurization ash and sintered desulfurization ash is applied in the field of inorganic non-metallic materials, less clinker and high impermeability type field hardening materials, and can solve the rising cost of commercial concrete, the low comprehensive utilization rate of construction and industrial solid waste, Environmental impact and other problems, to achieve the effect of large solid waste consumption, excellent impermeability and good impermeability

Active Publication Date: 2019-12-13
SHANGHAI BAOTIAN NOVEL BUILDING MATERIALS
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The comprehensive utilization rate of these construction and industrial solid wastes is low, and they are piled up in large quantities, which has a great impact on the environment
In addition, due to the shortage of cement and sand and gravel supply, the cost of commercial concrete has risen, and the production cost of low-grade (

Method used

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  • Low-clinker high-impermeability field floor hardening material based on dry process desulfurized fly ash
  • Low-clinker high-impermeability field floor hardening material based on dry process desulfurized fly ash
  • Low-clinker high-impermeability field floor hardening material based on dry process desulfurized fly ash

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Experimental program
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Embodiment 1～3

[0053] Due to the large difference in the apparent density of various raw material components, according to the volume ratio and the apparent density of each component, the mass of various raw material components required for a unit volume of field hardening material can be prepared, so the volume fraction is used For the description, the following is the content of each raw material component when preparing the low-clinker and high-impermeability field hardening material based on dry desulfurization ash in Examples 1-3, as shown in Table 3.

[0054] table 3

[0055]

[0056] After testing, the 7d compressive strength, 28d compressive strength and 28d flexural tensile strength of the low-clinker and high-impermeability type field hardening materials based on dry desulfurization ash obtained in Examples 1-3 reached the highest respectively. The main reasons are:

[0057] (1) With a small amount of cement and sintered desulfurization ash as the cementing material, and constru...

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Abstract

The invention discloses a low-clinker high-impermeability field floor hardening material based on dry process desulfurized fly ash. The material comprises, by volume, 10-40 parts of blast furnace slag, 5-45 parts of converter steel slag, 0.1-40 parts of sandy soil, 5-20 parts of sintered desulfurized ash, 5-8 parts of slag powder, 1-2 parts of cement, 0.1-2 parts of an additive and 12-13 parts ofwater. Batching, stirring, paving, rolling and curing construction are carried out in sequence on the components, thus obtaining the low-clinker high-impermeability field floor hardening material. Theinvention adopts blast furnace slag, converter steel slag, sintered desulfurized ash and sandy soil as the main raw materials, and takes an appropriate amount of slag powder and a small amount of cement as the auxiliary materials, the obtained field floor hardening material has a strength grade up to C10-C25, and can replace low-strength grade concrete for application to floors of factories and mines, storage yards and construction sites and roadbases.

Description

technical field [0001] The invention relates to the field of building materials, in particular to inorganic non-metallic materials, in particular to a field hardening material with less clinker and high impermeability based on dry desulfurization ash. Background technique [0002] With the increase of environmental protection, it is required to increase the disposal of all kinds of muck to reduce land occupation and environmental pollution. The waste slag discharged in some remote areas that has not been treated for many years has agglomerated, such as the blast furnace slag and steel slag piled up in Xinjiang, which is difficult to use according to conventional methods. At the same time, the tailings of mining enterprises and the muck produced by various projects need to be utilized urgently. For example, the shield sludge generated by the shield construction method contains gravel and soil, which is generally used for earthwork backfill, and the resource utilization rate i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00
CPCC04B28/00C04B2111/0075C04B2201/50C04B18/141C04B18/142C04B18/062C04B14/06C04B2103/0068
Inventor 康明王林赵玉静严志平李阳
Owner SHANGHAI BAOTIAN NOVEL BUILDING MATERIALS
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