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Method for preparing high strength concrete by using pebbles

A concrete and high-strength technology, which is applied in the field of pebbles to prepare high-strength concrete, can solve the problems of low compressive and flexural strength, and high-strength concrete cannot meet construction needs, so as to improve impermeability, reduce cement consumption and total cementitious materials. volume, improve the effect of self-compacting

Active Publication Date: 2015-12-09
CHINA ROAD & BRIDGE
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Problems solved by technology

However, with the complexity of building structures and the increasing number of super high-rise buildings, high-strength concrete can no longer meet the needs of construction, and ultra-high-strength concrete will become the most important trend in the development of concrete
The current high-strength concrete has low compressive and flexural strength

Method used

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Embodiment Construction

[0019] The present invention will be further described in detail below in conjunction with the embodiments, so that those skilled in the art can implement it with reference to the description.

[0020] It should be understood that terms such as "having", "comprising" and "including" as used herein do not entail the presence or addition of one or more other elements or combinations thereof.

[0021] A method of preparing high-strength concrete from pebbles, comprising:

[0022] Step 1. Select the following raw materials in parts by weight: 207Kg of cement, 99Kg of water, 87Kg of pebble powder, 3Kg of water reducer, 37Kg of zeolite powder, 13Kg of carbon nanotubes, 20Kg of fly ash hollow microspheres, 7Kg of fly ash, mineral powder 27Kg, tourmaline 13Kg, quartz sand 47Kg, defoamer 2Kg, expansion agent 3Kg, steel fiber 19Kg and titanium fiber 3Kg;

[0023] Step 2, add carbon nanotubes to the water while stirring, ultrasonically oscillate for 6 minutes, so that the carbon nanotub...

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Abstract

The invention discloses a method for preparing high strength concrete by using pebbles. The method comprises the following steps: selecting the following raw materials, by weight, 207 parts of cement, 99 parts of water, 87 parts of pebble powder, 3 parts of a water reducer, 37 parts of zeolite powder, 13 parts of carbon nanotubes, 20 parts of fly ash hollow microspheres, 7 parts of fly ash, 27 parts of ore powder, 13 parts of tourmalinite powder, 47 parts of quartz sand, 2 parts of an antifoaming agent, 3 parts of an expanding agent, 19 parts of steel fibers and 3 parts of titanium fibers; mixing, and homogenizing; and carrying out high temperature and high pressure curing. The method enhances the compactness of concrete, and greatly enhances the compressive and flexural strength of the concrete.

Description

technical field [0001] The invention relates to a method for preparing high-strength concrete from pebbles. Background technique [0002] In recent years, high strengthening has become one of the trends in the development of modern concrete technology. The research and development of high-strength concrete has made great progress. The strength of high-strength concrete has gradually increased, its performance has been continuously improved, and it has been widely used in many fields. However, with the complexity of building structures and the increasing number of super high-rise buildings, high-strength concrete can no longer meet the needs of construction, and ultra-high-strength concrete will become the most important trend in the development of concrete. The current high-strength concrete has low compressive and flexural strength. Contents of the invention [0003] It is an object of the present invention to solve at least the above-mentioned problems and to provide a...

Claims

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Application Information

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IPC IPC(8): C04B28/00C04B14/04C04B14/06C04B14/36C04B14/38C04B14/48
Inventor 李植淮杜波邹恩杰贾其军庞彪黎锐峥
Owner CHINA ROAD & BRIDGE
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