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Concrete used for tunnels

A technology for concrete and tunnels, which is applied in the field of concrete for tunnels, can solve the problems of not being suitable for production and living needs, high cost, unreasonable design of concrete mix ratio, etc., and achieve the effect of reasonable design, reasonable mix ratio and wide application range

Inactive Publication Date: 2017-04-05
蔡建华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing concrete mix design is unreasonable and cannot be applied to the needs of existing production and living, and the cost is high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] A kind of concrete for tunnels, which is uniformly mixed with the following raw materials: water 160kg / m³, cement 210kg / m³, fly ash 50kg / m³, mineral powder 70kg / m³, sand 796kg / m³, fine stone 1050kg / m³, silicon powder 180kg / m³ and admixture 4.0kg / m³.

Embodiment 2

[0015] A kind of concrete for tunnels, which is uniformly mixed with the following raw materials: water 161kg / m³, cement 215kg / m³, fly ash 52.5kg / m³, mineral powder 72.5kg / m³, sand 800.50kg / m³ , fine stone 1055kg / m³, silicon powder 195kg / m³ and admixture 4.1kg / m³.

Embodiment 3

[0017] A kind of concrete for tunnels, which is uniformly mixed with the following raw materials: water 162kg / m³, cement 220kg / m³, fly ash 55kg / m³, mineral powder 75kg / m³, sand 805kg / m³, fine stone 1060kg / m³, silicon fume 210kg / m³ and admixture 4.2kg / m³.

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PUM

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Abstract

The invention discloses concrete used for tunnels. The concrete is formed by evenly stirring raw materials in the following mixing proportion and comprises 160-162kg / m<3> of water, 210-220kg / m<3> of cement, 50-55kg / m<3> of pulverized fuel ash, 70-75kg / m<3> of mineral powder, 796-805kg / m<3> of sand, 1050-1060kg / m<3> of fine stone, 180-210kg / m<3> of silica powder and 4.0-4.2kg / m<3> of an admixture. The concrete used for tunnels has the advantages of being reasonable in design and wide in application range.

Description

technical field [0001] The invention relates to the technical field of concrete for designing buildings, and in particular relates to concrete for tunnels. Background technique [0002] Concrete is a general term for engineering composite materials in which aggregates are cemented into a whole by cementitious materials. Generally speaking, the term concrete refers to the cement concrete obtained by using cement as the cementitious material, sand and stone as the aggregate; mixed with water (may contain admixtures and admixtures) in a certain proportion, and stirred. concrete. Concrete is the most widely used and used building material in civil engineering. Design and manufacture concrete according to the predetermined performance, and develop new varieties of lightweight, high-strength, and multi-functional concrete. [0003] The existing concrete mix design is unreasonable, cannot be applied to the needs of existing production and life, and the cost is high. Contents o...

Claims

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Application Information

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IPC IPC(8): C04B28/00
Inventor 蔡建华
Owner 蔡建华
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