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Reduction method for preparation formula of heritage building concrete material

A technology for concrete and cultural relics, applied in the analysis of materials, material analysis by optical means, material analysis using wave/particle radiation, etc., can solve problems such as unfavorable construction concrete materials

Active Publication Date: 2019-12-03
张以红
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Problems solved by technology

[0004] At the same time, this problem also exists in the analysis work of modern building materials, which is not conducive to the research of building concrete materials

Method used

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  • Reduction method for preparation formula of heritage building concrete material

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Experimental program
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Embodiment Construction

[0014] First, use hot air at 50°C to 80°C for 20 to 30 minutes to evaporate the moisture in the cured cultural relic concrete samples on site or in the laboratory.

[0015] Second, for the on-site cultural relic concrete samples, the surface needs to be polished with sandpaper. For laboratory samples, it should be ground into standard powder.

[0016] Third, use XRF (desktop or portable) equipment or infrared spectrometer to analyze the mineral components of the cured samples of cultural relic concrete materials, and detect CaO, SiO 2 、Al 2 o 3 , Fe 2 o 3 , SO 3 、TiO 2 content of mineral components.

[0017] Fourth, calculate the characteristic values ​​of the mineral composition content of the cultural relic concrete material samples, including CaO / SiO 2 、CaO / Al 2 o 3 , CaO / Fe 2 o 3 、Al 2 o 3 / Fe 2 O3, SiO 2 / Al 2 o 3 , SiO 2 / Fe 2 o 3 , CaO / SO 3 , SiO 2 / SO 3 , CaO / TiO 2 Wait.

[0018] Fifth, according to the age when the cultural relic concrete m...

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Abstract

The invention discloses a reduction method for a preparation formula of a heritage building concrete material. The method comprises the following steps: calculating mineral component content characteristic values of a sample of the heritage building concrete material, wherein the characteristic values include CaO / Si02, CaO / Al2O3, CaO / Fe2O3, Al2O3 / Fe2O3 and the like, comparing the mineral componentcontent characteristic values of the sample with mineral component content characteristic values of a reference formula, and analyzing the preparation formula of the sample of the heritage building concrete material. The method provided by the invention can solve the technical problems of formula reduction of highly carbonized building concrete materials, wherein the technical problems include the technical problems of preparation formula reduction of the heritage building concrete material and a modern building concrete material; the method can directly analyze the formula of the concrete material in a heritage building site without damaging a heritage building, and realize the non-damaging archeology and formula research of a heritage building concrete material technology; and at the same time, the method can become an auxiliary method for research of chemical components of the modern concrete material.

Description

technical field [0001] This technology is used in the archaeology of cultural relics and building materials, and is used to analyze the production formula of the cured concrete materials (or cementitious materials) of cultural relics buildings. It is also suitable for the production formula restoration of modern architectural concrete. Background technique [0002] The problem of restoring the production formula of cultural relic building concrete materials, especially the problem of reducing the production formula of highly carbonized building concrete materials, has always been an unsolved problem. [0003] The technology close to the present invention is the analysis and determination method of chemical composition of construction cementitious material (concrete material is the main component of concrete material) and the use method of its related equipment. Existing analysis methods use chemical analysis and spectral analysis methods to analyze the mineral components and...

Claims

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Application Information

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IPC IPC(8): C04B28/00G01N21/3563G01N23/2202G01N23/223
CPCC04B28/00G01N23/2202G01N23/223G01N21/3563G01N2021/3572
Inventor 张以红
Owner 张以红
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