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A kind of exposed stone concrete and construction method thereof

A technology of exposed stone concrete and construction method, which is applied in the direction of on-site coagulation pavement, road, road repair, etc., can solve the problems of unfriendly fluorosilicate environment, environmental hazards of exposed stone concrete construction, etc. The use of fluorosilicate, the effect of improving the retardation effect, the effect of improving the anti-slip and anti-glare properties

Active Publication Date: 2021-09-28
陕西隆生建材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, since the addition of fluorine-containing silicate in this patent improves the retarding efficiency of the dew stone agent and reduces the amount of dew stone agent, and the fluorine-containing silicate is not friendly to the environment, which brings certain problems to the construction environment of the dew stone concrete. harm

Method used

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  • A kind of exposed stone concrete and construction method thereof
  • A kind of exposed stone concrete and construction method thereof
  • A kind of exposed stone concrete and construction method thereof

Examples

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Effect test

Embodiment 1

[0033] Embodiment 1: a kind of construction method of exposed stone concrete, comprises the steps:

[0034] (1) Preparation of dew stone agent: Weigh 400g of dissolved water, stir at 32°C at a speed of 250 rpm, add 60g of glucose, 35g of sodium hexametaphosphate, 3g of amantadine hydrochloride, 8.5g of glycerol and 7g of pigments The material iron oxide was stirred at a speed of 250 rpm for 40 minutes to prepare the dew stone agent;

[0035] (2) Concrete preparation: Weigh 160Kg of water and add 1150Kg of coarse aggregate, 800Kg of fine aggregate, 100Kg of mineral powder and 275Kg of cement under the condition of stirring at a speed of 500 rpm. The particle size of the coarse aggregate is 5mm-25mm , the particle size of the fine aggregate is 0.5mm-2mm, the particle size of the mineral powder is 0.02mm-0.6mm, continue to stir for 50min, add 10Kg polycarboxylate water reducer, continue to stir for 40min to obtain concrete;

[0036] (3) Pavement pouring: pour the concrete prepar...

Embodiment 2

[0040] The difference between Example 2 and Example 1 is that Example 2 uses lignosulfonate water reducer instead of polycarboxylate water reducer, and the others are consistent with Example 1.

Embodiment 3

[0042] The difference between embodiment 3 and embodiment 1 is that embodiment 3 uses a coarse aggregate of 5mm-40mm, and the others are consistent with embodiment 1.

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Abstract

The invention discloses an exposed stone concrete and a construction method thereof, and relates to the technical field of concrete construction; an exposed stone concrete is made of exposed stone concrete raw materials containing the following parts by weight: 250-300 parts of cement and 1100 parts of coarse aggregate ‑1200 parts, 750‑850 parts of fine aggregate, 80‑120 parts of mineral powder, 8‑12 parts of water reducer, 140‑180 parts of water; the exposed stone concrete raw material also includes exposed stone agent; the exposed stone agent It is made of dew stone agent raw materials containing the following parts by weight: 0.04-0.08 parts of glucose, 0.025-0.045 parts of sodium hexametaphosphate, 0.001-0.005 parts of amantadine hydrochloride, and 0.35-0.45 parts of dissolved water; it has good retarding effect And the advantages of good environmental protection performance; the construction method of exposed stone concrete includes the following steps: preparation of exposed stone agent, concrete preparation, pavement pouring, road surface maintenance, etc.; the construction method of exposed stone concrete has the advantage of being convenient to improve the retarding effect of the product.

Description

technical field [0001] The invention relates to the technical field of concrete material processing and production, in particular to exposed stone concrete and a construction method thereof. Background technique [0002] Concrete is widely used in road construction and other fields because of its excellent strength and other properties. In the process of expressway construction, due to the fast driving speed of vehicles, the expressway pavement needs to have excellent anti-slip and anti-dazzling functions, and exposed stone concrete has excellent anti-slip, noise reduction, anti-glare and drainage functions, and more and more It is widely used in highway and tunnel pavement construction and other fields. [0003] The patent with the authorized notification number CN103232218B discloses a high-performance concrete dew stone agent and its preparation and application method. The dew stone agent includes A component and B component. Fluorosilicate, penetrating agent, stabilize...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/04E01C7/14E01C23/03
CPCC04B28/04C04B2201/50E01C7/142E01C23/03C04B2103/302C04B24/10C04B22/16C04B24/121C04B2103/54C04B14/06C04B18/141C04B24/026
Inventor 潘晓让
Owner 陕西隆生建材有限公司
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