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Concrete for road construction and preparation method of concrete

A technology for road construction and concrete, which is applied in the field of concrete, can solve the problems that the compressive strength and splitting strength need to be improved, and achieve the effect of reasonable production process design, high splitting strength, and favorable promotion

Inactive Publication Date: 2020-08-25
JIANGSU PROVINGIAL TRANSPORTATION ENG GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Although the existing road concrete has the advantages of high compressive strength, easy material acquisition, easy molding, and low price, its compressive strength and splitting strength need to be improved

Method used

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  • Concrete for road construction and preparation method of concrete

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A concrete for road construction, which is composed of the following materials by weight ratio: 50 parts of cement, 38 parts of sand, 22 parts of mineral powder, 29 parts of stones, 20 parts of water, 2 parts of plant fiber, 1.5 parts of water reducing agent and 4 parts of montmorillonite earth.

[0030] A kind of concrete for road construction, concrete preparation method is as follows:

[0031] S1. Inspection of equipment

[0032] 1.1. Overhaul, maintain, and debug the production equipment, check and calibrate the measuring instruments, and make corresponding records to ensure the accuracy of raw material measurement. Production can only be carried out after the debugging is qualified. During production, the material must be cut strictly according to the mix ratio , strictly control the measurement deviation within the allowable range;

[0033] 1.2. The admixture pounds must be checked with weights once a day before starting production, and the sand, stone, cement, ...

Embodiment 2

[0044] In an optional embodiment, it is composed of the following materials by weight ratio: 55 parts of cement, 37 parts of sand, 28 parts of mineral powder, 60 parts of stones, 29 parts of water, 2.8 parts of plant fiber, 1.9 parts of water reducer and 3.5 parts Montmorillonite.

[0045] A kind of concrete for road construction, concrete preparation method is as follows:

[0046] S1. Inspection of equipment

[0047] 1.1. Overhaul, maintain, and debug the production equipment, check and calibrate the measuring instruments, and make corresponding records to ensure the accuracy of raw material measurement. Production can only be carried out after the debugging is qualified. During production, the material must be cut strictly according to the mix ratio , strictly control the measurement deviation within the allowable range;

[0048] 1.2. The admixture pounds must be checked with weights once a day before starting production, and the sand, stone, cement, slag and mineral powde...

Embodiment 3

[0059] In an optional embodiment, it is composed of the following materials by weight ratio: 45 parts of cement, 35 parts of sand, 23 parts of mineral powder, 55 parts of stone, 34 parts of water, 1.5 parts of plant fiber, 1.5 parts of water reducer and 2.7 parts Montmorillonite.

[0060] A kind of concrete for road construction, concrete preparation method is as follows:

[0061] S1. Inspection of equipment

[0062] 1.1. Overhaul, maintain, and debug the production equipment, check and calibrate the measuring instruments, and make corresponding records to ensure the accuracy of raw material measurement. Production can only be carried out after the debugging is qualified. During production, the material must be cut strictly according to the mix ratio , strictly control the measurement deviation within the allowable range;

[0063] 1.2. The admixture pounds must be checked with weights once a day before starting production, and the sand, stone, cement, slag and mineral powder p...

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Abstract

The invention relates to the technical field of concrete. The concrete for road construction is prepared from the following materials in parts by weight: 40 to 60 parts of cement; 30 to 40 parts of sand; 20 to 30 parts of mineral powder; 50 to 67 parts of stone; 18 to 32 parts of water; 1 to 3 parts of plant fiber; 0.5 to 2 parts of a water reducing agent; and 2.5 to 4 parts of montmorillonite. The concrete provided by the invention has the advantages of excellent compression resistance and high splitting strength.

Description

technical field [0001] The invention relates to the technical field of concrete, in particular to concrete for road construction and a preparation method thereof. Background technique [0002] Concrete pavement refers to the pavement with cement concrete slab as the surface layer. It refers to the pavement structure composed of cement concrete slab as the surface layer, base layer and cushion layer, also known as rigid pavement. [0003] Although the existing road concrete has the advantages of high compressive strength, easy material acquisition, easy molding, and low price, its compressive strength and splitting strength need to be improved. [0004] In order to solve the above problems, this application proposes a concrete for road construction and a preparation method thereof. Contents of the invention [0005] (1) Purpose of the invention [0006] In order to solve the technical problems existing in the background technology, the present invention proposes a concret...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00B28C5/08
CPCB28C5/08C04B28/00C04B2111/0075C04B14/06C04B14/02C04B18/141C04B18/24C04B2103/302C04B14/104
Inventor 窦爱兵
Owner JIANGSU PROVINGIAL TRANSPORTATION ENG GRP
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