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Road anti-dazzle board

An anti-glare board and highway technology, applied in the field of highway transportation facilities, can solve the problems of heavy weight, inconvenient transportation, long construction time, etc., and achieve the effects of convenient transportation and on-site construction, increased diffuse reflection effect, and reduced bulk density.

Active Publication Date: 2015-10-21
黄贺明
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The cast-in-place concrete foundation column-type anti-glare board for highways adopts an ordinary concrete column-type structure. Although it is more durable than PVC and FRP materials to a certain extent, it is heavy and inconvenient to transport, so it is only suitable for on-site pouring. Made, long construction time, high construction strength

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0066] A road anti-glare board, made of ultra-high performance powder concrete, the ultra-high performance powder concrete includes the following raw materials in parts by weight:

[0067] 400 parts of 52.5 grade Portland cement with an average particle size of 30-60 μm;

[0068] 100 parts of micro-silicon powder with an average particle size of 5-20 μm and a SiO2 content of ≥85%;

[0069] 100 parts of quartz stone powder with an average particle size of 50-100 μm;

[0070] 150 parts of limestone powder with an average particle size of 10-30 μm;

[0071] 450 parts of glass microbead powder with a particle size of 0.63 mm or less;

[0072] 500 parts of river sand with particle size below 1.63mm;

[0073] 16 parts of high-efficiency water reducing agent with water reducing rate greater than 30%;

[0074] 30 parts of inorganic pigment powder;

[0075] 180 parts of water;

[0076] 80 copper-plated fibers with an average diameter of 0.15 mm and a length of 8 to 12 mm;

[007...

Embodiment 2

[0087] Except that each mass portion proportioning of raw materials is different, other is the same as embodiment 1;

[0088] The self-compacting powder concrete is made of the following raw materials in proportion by mass:

[0089] 450 parts of 52.5 grade Portland cement with an average particle size of 30-60 μm;

[0090] 115 parts of micro-silica fume with an average particle size of 5-20 μm and a SiO2 content of ≥85%;

[0091] 115 parts of quartz stone powder with an average particle size of 50-100 μm;

[0092] 175 parts of limestone powder with an average particle size of 10-30 μm;

[0093] 500 parts of glass microbead powder with a particle size below 0.63mm;

[0094] 525 parts of river sand with particle size below 1.63mm;

[0095] 18 parts of high-efficiency water reducing agent with water reducing rate greater than 30%;

[0096] 32 parts of inorganic pigment powder;

[0097] 190 parts of water;

[0098] 85 copper-plated fibers with an average diameter of 0.15 mm...

Embodiment 3

[0101] Except that each mass portion proportioning of raw materials is different, other is the same as embodiment 1;

[0102] The self-compacting powder concrete is made of the following raw materials in proportion by mass:

[0103] 500 parts of 52.5 grade Portland cement with an average particle size of 30-60 μm;

[0104] 125 parts of micro-silicon powder with an average particle size of 5-20 μm and a SiO2 content of ≥85%;

[0105] 125 parts of quartz stone powder with an average particle size of 50-100 μm;

[0106] 200 parts of limestone powder with an average particle size of 10-30 μm;

[0107] 525 parts of glass microbead powder with a particle size of 0.63 mm or less;

[0108] 550 parts of river sand with particle size below 1.63mm;

[0109] 19 parts of high-efficiency water reducing agent with water reducing rate greater than 30%;

[0110] 35 parts of inorganic pigment powder;

[0111] 200 parts of water;

[0112] 90 copies of copper-plated fibers with an average ...

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Abstract

The invention relates to a road anti-dazzle board. The road anti-dazzle board is formed by preparing of ultra high performance powder concrete. Basalt fibers and other materials are added into the ultra high performance concrete, and the strength of the road anti-dazzle board is greatly improved. Meanwhile, a light structure with a rib structure is adopted by the road anti-dazzle board, light glass bead powder aggregate is added into the ultra high performance concrete, and the volume weight is lowered. According to the road anti-dazzle board, the dead weight is light, the strength is large, the durability is strong, the conveying and construction costs are low, color fading is not easy to occur, and the requirement for long-time working on the road can be met.

Description

field of invention [0001] The invention relates to the field of road traffic facilities, in particular to a road anti-glare board using ultra-high performance powder concrete. Background technique [0002] The glare produced by automobile headlights is the main factor that endangers the safety of road driving at night. In recent years, my country's expressways have developed rapidly, and the traffic volume at night is increasing. And other reasons, the glare at night has an increasingly serious trend. Installing anti-glare panels on the central isolation belt of the expressway is an effective way to eliminate the glare phenomenon and solve the glare problem of automobile headlights. In order to achieve the desired effect, the anti-glare board itself must have three elements: continuous blowing, constant collision, and no fading, that is, the tensile and compressive strength of the anti-glare board itself is sufficient, even if it encounters strong winds on the highway or is ...

Claims

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Application Information

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IPC IPC(8): C04B28/04C04B14/38
Inventor 刘福财肖敏王贻远李斌张信祯黄贺明
Owner 黄贺明
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