Recycled aggregate mountain flour anti-seismic hollow block for masonry frame filled wall and preparation method thereof

A technology of recycled aggregates and hollow blocks, which is applied in buildings, building components, building structures, etc., can solve the problem of less research reports on seismic performance, and achieve the effect of improving shear resistance.

Active Publication Date: 2016-03-09
LIMING VOCATIONAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These research reports mainly focus on its mechanical properties, light weight, thermal insulation and other properties, and there are relatively few research reports on its seismic performance.

Method used

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  • Recycled aggregate mountain flour anti-seismic hollow block for masonry frame filled wall and preparation method thereof
  • Recycled aggregate mountain flour anti-seismic hollow block for masonry frame filled wall and preparation method thereof
  • Recycled aggregate mountain flour anti-seismic hollow block for masonry frame filled wall and preparation method thereof

Examples

Experimental program
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preparation example Construction

[0028] The present invention also provides a method for preparing recycled aggregate stone powder anti-seismic hollow blocks for masonry frame filling walls. The specific steps are as follows:

[0029] First, mix cement, stone powder, and fine aggregates by wheel milling, and then add polycarboxylate high-efficiency water reducer and water, and keep stirring until the cement slurry can completely cover the fine aggregate particles; then add Regenerate coarse aggregate, and continue to add the remaining polycarboxylate high-efficiency water reducer and water, and make dry recycled aggregate stone powder concrete after forced mixing, and send dry recycled aggregate stone powder concrete to the hydraulic molding machine in batches , the semi-finished product can be obtained by high-frequency vibration and pressure molding; after the semi-finished product is left to stand for 12-24 hours, and then autoclaved for 10-12 hours, a recycled aggregate stone powder anti-seismic hollow mas...

Embodiment 1

[0044] First, mix cement, stone powder, and fine aggregates by wheel milling, and then add polycarboxylate high-efficiency water reducer and water, and keep stirring until the cement slurry can completely cover the fine aggregate particles; then add Regenerate coarse aggregate, and continue to add the remaining polycarboxylate high-efficiency water reducer and water, and make dry recycled aggregate stone powder concrete after forced mixing, and send dry recycled aggregate stone powder concrete to the hydraulic molding machine in batches , the semi-finished product can be obtained by high-frequency vibration and pressure molding; after the semi-finished product is left to stand for 12-24 hours, and then autoclaved for 10-12 hours, a recycled aggregate stone powder anti-seismic hollow masonry can be produced for building frame-filled walls finished block.

[0045] The mass ratio of the cement, recycled coarse aggregate, stone powder, fine aggregate and water is 1:4.75:0.80:2.85:...

Embodiment 2

[0050] It is basically the same as Example 1, the difference is:

[0051] The mass ratio of the cement, recycled coarse aggregate, stone powder, fine aggregate and water is 1:2.95:0.60:2.65:0.35.

[0052] The polycarboxylic acid high-efficiency water-reducer is self-made AMPS modified polyacrylic acid high-efficiency water-reducer, and its dosage is 0.60% of the cement mass.

[0053] n (polyethylene glycol monomethyl ether acrylate): n (sodium methacrylate): n (sodium 2-acrylamide-2-methyl propylene sulfonate): n (acrylic acid) = 1.0: 2.5: 1.0 : 7.0, the MPEG relative molecular weight is 1200, the amount of initiator APS is 6% of the total mass of the mixed monomer solution, the polymerization reaction temperature is 90°C and the polymerization reaction time is 3.5h.

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Abstract

The invention discloses a recycled aggregate mountain flour anti-seismic hollow block for a masonry frame filled wall. The hollow block comprises a rectangular shell, wherein two rectangular holes are formed inside the shell; first grooves are formed in the top and bottom surfaces of the shell; and second grooves are formed in four side surfaces of the shell. The invention also discloses a method for preparing the recycled aggregate mountain flour anti-seismic hollow block for the masonry frame filled wall. The recycled aggregate mountain flour anti-seismic hollow block for the masonry frame filled wall prepared by the previous method is tested by referring to 'concrete block and brick test method' (GB / T 4111-2013), and the compressive strength, breaking strength and shear strength can respectively reach 8.60MPa or more, 1.30MPa or more and 0.10MPa or more. The recycled aggregate mountain flour anti-seismic hollow block disclosed by the invention is used for the frame filled wall, is full in hysteretic curve, high in ductility and high in energy-dissipating capacity and has good anti-seismic property.

Description

technical field [0001] The invention belongs to the technical field of civil engineering masonry materials, and in particular relates to a recycled aggregate stone powder anti-seismic hollow block for building a frame-filled wall, and the invention also relates to a recycled aggregate stone powder anti-seismic hollow block for building a frame-filled wall Method of making blocks. Background technique [0002] A frame-fill wall is a wall built between columns in a frame structure. Before the 1960s, the design of the frame-filled wall was not taken seriously, and it was always considered to be a "non-structural" component that played the role of enclosure and separation; in 1964, a magnitude 9.2 earthquake occurred in southern Alaska, USA. The damage loss of "non-structural" components greatly exceeds the loss of the main frame structure, and the anti-seismic problem of "non-structural" components began to attract people's attention; my country also began to pay attention to i...

Claims

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Application Information

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IPC IPC(8): C04B28/00C04B18/16C04B24/16E04C1/00C08F283/06C04B103/30
CPCC04B24/165C04B28/00C04B2103/302C08F283/065E04C1/00C04B18/12C04B18/16C04B40/0028C04B40/024C08F220/585Y02W30/91
Inventor 陈宝璠卓玲
Owner LIMING VOCATIONAL UNIV
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