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A kind of cement iron sand mortar

A technology of iron sand and cement, which is applied in the field of cement iron sand mortar, which can solve the problems of traffic management function reduction, loss, cracks and peeling, and achieve the effect of saving investment and reducing maintenance costs

Active Publication Date: 2017-06-23
王壹帆
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The problem with painting (including magnetic paint) on the above-mentioned ordinary concrete is that the painted paint will crack and peel after a few months of use, and then fall off, resulting in the reduction or loss of its traffic management function

Method used

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  • A kind of cement iron sand mortar

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Experimental program
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Effect test

Embodiment 1

[0036] Prefabricated C20 ultra-dry hard concrete curbstones by machine compression molding, which are in the shape of a cuboid, 50cm long x 15cm wide x 30cm high, wherein M20 cement iron sand mortar is used to make concrete components on the 0.5cm thick surface layer on the top of the curbstones , the concrete member is used as a flat edge stone, and it is planned to paint magnetic paint markings on its top surface;

[0037] One, the preparation method of the M20 cement iron sand mortar of configuration optimization, wherein, the design method of mortar mix proportion, described sand selects middle sand for use, comprises the following steps:

[0038] (1) Determine the optimized ratio of iron sand and medium sand, and measure the bulk density value of the mixture of iron sand and medium sand

[0039] Select the ratio of iron sand and medium sand: Iron sand: medium sand = 25:75; mix iron sand and medium sand evenly according to this ratio, and the measured bulk density of the m...

Embodiment 2

[0070] Cast C25 reinforced concrete anti-collision guardrail belt, and use M25 cement iron sand mortar to make concrete components for the surface layer of the inner facade with a thickness of 0.5cm-1cm. It is planned to paint traffic signs with magnetic paint on the inner facade of the concrete anti-collision guardrail belt; steel bars are welded After the binding is completed, the formwork is installed in place;

[0071] One, the preparation method of the M25 cement iron sand mortar of configuration optimization, wherein, the design method of mortar mix ratio, described sand selects middle sand for use, comprises the following steps:

[0072] (1) Determine the optimized ratio of iron sand and sand, and measure the bulk density value of the mixture of iron sand and medium sand

[0073] Select the ratio of iron sand and medium sand: Iron sand: medium sand = 30:70; mix iron sand and medium sand evenly according to this ratio, and the measured bulk density value of the mixture o...

Embodiment 3

[0099] The paint mark of C25 reinforced concrete anti-collision guardrail of a bridge is damaged, and it is planned to repaint it with magnetic paint, and it is required to use M25 cement iron sand mortar to treat the old concrete anti-collision guardrail;

[0100] One, the preparation method of the M25 cement iron sand mortar of configuration optimization, wherein the design method of mortar mix ratio, described sand selects middle sand for use, comprises the following steps:

[0101] (1) Determine the optimized ratio of iron sand and sand, and measure the bulk density value of the mixture of iron sand and medium sand

[0102] Select the ratio of iron sand and medium sand: Iron sand: medium sand = 35:65; mix iron sand and medium sand evenly according to this ratio, and the measured bulk density of the mixture of iron sand and medium sand is 2316kg / m 3 ;

[0103] (2) Determine the amount of each component of cement iron sand mortar

[0104] The dosage of 42.5 grade ordinary ...

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Abstract

The invention relates to the technical field of road construction and care, in particular to cement iron sand mortar. The mortar comprises the following ingredients in parts by mass: 340 to 480 parts of 42.5-grade cement, 1350 to 2500 parts of an iron sand and sand mixture and 150 to 330 parts of water, wherein iron sand accounts for 20 mass percent to 40 mass percent in the iron sand and sand mixture; the sand accounts for 60 mass percent to 80 mass percent in the iron sand and sand mixture. A concrete component manufactured by the cement iron sand mortar cannot crack, peel or fall after the long-time use or even the use to aging and color degradation after magnetic paint is coated and brushed on the concrete component; the investment can be saved; the maintenance cost is reduced.

Description

technical field [0001] The invention relates to the technical field of road construction and maintenance, in particular to a cement iron sand mortar. Background technique [0002] According to statistics from the Ministry of Public Security, as of the end of 2014, the number of automobiles in my country increased by 17.07 million annually, and the number of motor vehicles has reached 264 million, including 154 million automobiles. With the continuous and rapid development of my country's economy, the masses have a strong rigid demand for car purchases, and the number of car ownership shows a rapid growth trend. Moreover, the number of motor vehicle drivers in my country has exceeded 300 million. The number of drivers ranks first in the world, and the number of cars is second only to the United States. , ranking second, which marks that my country's road traffic development has reached a new node, and it is also a new starting point for promoting traffic control work to a high...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/04C04B14/34
Inventor 王海有薛秋香王壹帆
Owner 王壹帆