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Design method of all-solid waste foam light filler

A design method and lightweight filler technology, applied in solid waste management, computational theoretical chemistry, sustainable waste treatment, etc., can solve the problems of consuming large materials and time, and achieve the effect of ensuring accuracy and saving manpower

Pending Publication Date: 2022-07-12
SHANDONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, from the deployment of the mix ratio that meets the workability requirements to the verification of the compressive strength of the fixed curing age specimens, this process usually consumes a lot of materials and time

Method used

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  • Design method of all-solid waste foam light filler
  • Design method of all-solid waste foam light filler
  • Design method of all-solid waste foam light filler

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0069] The conventional materials of granulated blast furnace slag and carbide slag used in the examples are commercially available.

[0070] The granulated blast furnace slag activity used in the embodiment is S85 grade, and the density is 2900kg / m , and the particle size distribution is as follows. figure 1 The calcium carbide slag used is vacuum dried, ground, and passed through a 300μm sieve, with a density of 2185kg / m3, and the particle size distribution is as follows figure 2 The protein anionic composite foaming agent used is produced by Shandong Chilong Building Energy Saving Technology Co., Ltd., the dilution ratio is 1:49, and the output foam density is 40-50kg / m 3 .

[0071] (1) According to the parameter suggestions given above, determine the initial mixing ratio parameters, using a water-cement ratio of 0.65, and a mass content of carbide slag of 15% (converted to the parameters represented by volume: the content of granulated blast furnace slag is 12.02%, The ...

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Abstract

The invention discloses a full-solid waste foam light filler and a design method thereof, and only two types of solid wastes, namely granulated blast-furnace slag and carbide slag, are used in the full-solid waste foam light filler; meanwhile, two key values, namely a flow value and compressive strength, of quality detection of the foam light soil are taken as target parameters, and regression models of the flow value and the compressive strength are respectively established by using a statistical mixing design method. The model provided by the invention can provide corresponding flow values and 3-day, 7-day and 28-day compressive strength according to material proportioning parameters within a certain precision range, and provides specific numerical reference for experimenters, so that a large amount of time and cost spent in mix proportion design and mechanical property test are saved.

Description

technical field [0001] The invention belongs to the technical field of solid waste utilization, in particular to a design method of all-solid waste foam lightweight filler. Background technique [0002] Granulated blast furnace slag (GGBS) has hydration properties similar to cement, but usually requires some alkaline hydroxide, soluble silicate or sulfate due to its very slow self-hydration process and its high dependence on the material properties of GGBS Accelerates hydration of GGBS. However, some commonly used alkaline activators (such as sodium hydroxide, water glass, etc.) have strong hygroscopicity and corrosiveness, which will increase the operation risk of the production personnel to a certain extent. At the same time, the use of such a highly alkaline activator in the alkali slag system has problems such as short setting time, low economic benefit, and large energy consumption of the product. Carbide slag is a by-product of acetylene, polyvinyl chloride and polyv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G16C10/00G16C60/00C04B7/147C04B18/04C04B28/00C04B38/10
CPCG16C10/00G16C60/00C04B28/00C04B18/0427C04B38/106C04B7/147C04B2111/40C04B2111/00017Y02W30/91
Inventor 张洪智和彦辰葛智孙仁娟管延华凌一峰
Owner SHANDONG UNIV