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High-strength regenerated ceramsite composite prefabricated product

A high-strength, prefabricated technology, applied in the production of ceramic products, clay products, ceramic materials, etc., can solve the problems that the mechanical properties are difficult to meet the standards, the performance of recycled materials is not stable enough, and affect the popularization and application, etc., to achieve excellent mechanical properties and structure Stability, excellent bonding effect and strengthening performance, comprehensive and practical effect

Pending Publication Date: 2021-12-03
NANJING BEILIDA NEW MATERIAL SYST ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the performance of recycled materials is not stable enough, and the mechanical properties are difficult to meet the standards. There are also problems such as insufficient strength and high water absorption when applied in concrete, which greatly affects the popularization and application.

Method used

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  • High-strength regenerated ceramsite composite prefabricated product

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A high-strength recycled ceramsite composite prefabricated product, including the following component raw materials: cementitious material, recycled ceramsite, aggregate, water reducing agent, mixing water, wherein the density of recycled ceramsite is 388kg / m3, and the particle size is 2-10mm, cylinder compressive strength is 3.46MPa.

[0023] The high-strength recycled ceramsite composite prefabricated product has the parts by weight of each component: 65 parts of cementitious material, 26 parts of recycled ceramsite, 75 parts of aggregate, 3 parts of water reducing agent, and 50 parts of mixing water.

[0024] Ordinary Portland cement is used as the cementing material; natural sandstone is used as the aggregate, and the ratio of coarse aggregate to fine aggregate is 4.2:5.8; the superplasticizer is selected from high-efficiency polycarboxylate superplasticizer.

[0025] The particle size D50 of regenerated ceramsite is 4.3mm.

[0026] The regenerated ceramsite includ...

Embodiment 2

[0029] A high-strength recycled ceramsite composite prefabricated product, including the following component raw materials: cementitious material, recycled ceramsite, aggregate, water reducing agent, and mixing water, wherein the recycled ceramsite has a density of 402kg / m3 and a particle size of 2-10mm, cylinder compressive strength is 3.76MPa.

[0030] The high-strength recycled ceramsite composite prefabricated product has the parts by weight of each component: 60 parts of cementitious material, 30 parts of recycled ceramsite, 80 parts of aggregate, 4 parts of water reducing agent, and 50 parts of mixing water.

[0031] Ordinary Portland cement is used as the cementing material; natural sandstone is used as the aggregate, and the ratio of coarse aggregate to fine aggregate is 4.0:6.0; the superplasticizer is selected from high-efficiency polycarboxylate superplasticizer.

[0032] The particle size D50 of regenerated ceramsite is 4.65mm.

[0033] The regenerated ceramsite i...

Embodiment 3

[0036] A high-strength recycled ceramsite composite prefabricated product, including the following component raw materials: cementitious material, recycled ceramsite, aggregate, water reducing agent, mixing water, wherein the density of recycled ceramsite is 392.5kg / m3, and the particle size is It is 2-10mm, and the cylinder compressive strength is 3.62MPa.

[0037] The high-strength recycled ceramsite composite prefabricated product has the parts by weight of each component: 50 parts of cementitious material, 20 parts of recycled ceramsite, 70 parts of aggregate, 2 parts of water reducing agent, and 42 parts of mixing water.

[0038] As a further preference of the present invention, ordinary portland cement is selected as the cementitious material; natural sandstone is selected as the aggregate, and the ratio of coarse aggregate to fine aggregate is 3.8:6.2; and high-efficiency polycarboxylate superplasticizer is selected as the water reducing agent.

[0039] The particle siz...

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Abstract

The invention provides a high-strength regenerated ceramsite composite prefabricated product which comprises the following component raw materials: a cementing material, regenerated ceramsite, aggregate, a water reducing agent and mixing water, the density of the regenerated ceramsite is 365-415 kg / m < 3 >, the particle size is 2-10 mm, and the cylinder compressive strength is 3.1-3.9 MPa. According to the invention, the raw materials are reasonably selected, the regenerated ceramsite is self-made, and the prefabricated product has excellent mechanical properties and structural stability; and the concrete product has the advantages of favorable rheological property, high blending uniformity and excellent combination effect and strengthening performance among the components, effectively improves the performance parameters of the product, conforms to the green and environment-friendly development concept, has high comprehensive practicability, and is worthy of popularization and application.

Description

technical field [0001] The invention relates to the technical field of concrete ceramsite products, in particular to a high-strength recycled ceramsite composite pre-product. Background technique [0002] Ceramsite, as the name suggests, is ceramic particles. Most of the appearance characteristics of ceramsite are round or elliptical spheres, but there are also some gravel-like ceramsites that are not round or elliptical spheres, but irregular gravel. The shape of ceramsite varies from process to process. Its surface is a hard shell, which is pottery or enamel, which has the function of water-proof and air-retaining, and gives ceramsite high strength. [0003] Because there are many raw materials for the production of ceramsite, and there are many varieties of ceramsite, so there are many colors. The color of roasted ceramsite is mostly dark red and ocher red, and some special varieties are gray-yellow, gray-black, gray-white, blue-gray, etc. Due to the different solid w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04C04B18/02C04B38/06C04B38/00C04B33/36C04B33/132
CPCC04B28/04C04B18/027C04B38/009C04B33/1321C04B33/132C04B33/36C04B38/067C04B38/0675C04B2111/00017C04B2201/50C04B14/06C04B2103/302Y02P40/60
Inventor 熊吉如丁赛华
Owner NANJING BEILIDA NEW MATERIAL SYST ENG
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