Mountain gravel concrete and preparation method thereof

A crushed stone and concrete technology, which is applied in the field of mountain crushed stone concrete and its preparation, can solve problems such as rough gravel surface and adverse effects on the fluidity of concrete products, so as to avoid adverse effects, increase product market value, and improve The effect of concrete strength

Active Publication Date: 2020-09-04
成都聚力混凝土有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, this technical solution uses mountain crushed stones mined from limestone mountains to prepare concrete. During the mining process of mountain rocks, mountain blasting and crushing are generally required to obtain mo

Method used

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  • Mountain gravel concrete and preparation method thereof
  • Mountain gravel concrete and preparation method thereof
  • Mountain gravel concrete and preparation method thereof

Examples

Experimental program
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Example Embodiment

[0039] Example 1: A mountain gravel concrete, including the following steps:

[0040] S1 Pulping: Use sieve meshes with apertures of 25mm, 20mm, 5mm, and 0.5mm to siev the mountain gravel, weigh 2.9Kg of gravel particles with a particle size of 20mm-25mm, and 62.4Kg with a particle size of 5mm- 20mm crushed stone particles, 55.1Kg crushed stone particles with a particle size of 0.5mm-5mm, and 24.6Kg crushed stone particles with a particle size of not more than 0.5mm, totaling 145Kg, mixed evenly. Screen the HY molecular sieve with a sieve with an aperture of 5mm, and sieve the diatomaceous earth with a sieve with an aperture of 5mm. Add 0.4Kg of the HY molecular sieve with a particle size of not more than 5mm and 6Kg with a particle size of not more than Mix 5mm diatomaceous earth evenly, then add 25Kg of water and stir evenly to prepare a wet material. The wet material is transferred to the ball mill. The ball mill contains 70Kg zirconium balls of Ф50mm (Shandong Yubang Energy S...

Example Embodiment

[0043] Example 2

[0044] The difference between Example 2 and Example 1 is that, Example 2 does not add attapulgite, and the others are the same as Example 1.

Example Embodiment

[0045] Example 3

[0046] The difference between Example 3 and Example 1 is that Example 3 is not subjected to ball milling treatment. Example 3 mixes mountain gravel, HY molecular sieve and diatomaceous earth, and then adds 25Kg of water and stirs evenly to obtain a slurry The other materials are the same as in Example 1.

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Abstract

The invention discloses mountain gravel concrete and a preparation method thereof, belonging to the technical field of concrete preparation. The mountain gravel concrete is mainly prepared from the following concrete raw materials in parts by weight: 1350 to 1550 parts of mountain gravel, 400 to 460 parts of cement, 220 to 280 parts of water, 2 to 5 parts of a molecular sieve and 40 to 80 parts ofdiatomite, wherein the concrete raw material further comprises an admixture, and the admixture comprises the following admixture raw materials in parts by weight: 8-12 parts of a water reducing agent, 5-10 parts of sodium hydroxyethyl sulfonate and 0.5-3 parts of a defoaming agent. The mountain gravel concrete has the advantage of good fluidity. The preparation method of the mountain gravel concrete comprises the following steps: pulping, admixture preparation, concrete preparation and the like. The preparation method of the mountain gravel concrete has the advantage that product flowabilityis conveniently improved.

Description

technical field [0001] The invention relates to the technical field of building material preparation, in particular to mountain crushed stone concrete and a preparation method thereof. Background technique [0002] Concrete is a material made of cementitious materials, gravel, sand and water in a certain proportion. Concrete has the characteristics of high strength, excellent durability and simple production process. It is widely used in high-rise buildings, road and bridge construction and other fields. application. In the process of concrete production, a large amount of concrete stones such as stones and sand are used. In the actual production process, there are mainly two types of concrete stones: one is pebble stones mined from rivers, and the other is mined from mountain rocks. Mountain gravel. Because pebbles are easy to mine and the cost is low, more pebbles were used in the previous construction process. However, the mining of pebbles in the river has brought cer...

Claims

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Application Information

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IPC IPC(8): C04B28/04C04B20/00C04B18/12C04B24/16C04B24/42C04B14/08C04B20/02
CPCC04B28/04C04B20/0076C04B18/12C04B24/16C04B24/42C04B14/08C04B20/0008C04B20/026C04B2201/50C04B22/002C04B2103/302C04B14/102Y02W30/91
Inventor 王玉婷李亚林
Owner 成都聚力混凝土有限公司
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