Concrete ingredient and fast hardening concrete

A concrete, fast technology, applied in solid waste management, sustainable waste treatment, climate sustainability, etc., can solve the problems of long solidification cycle, low early strength, etc., to achieve shortened curing period, high early strength, and improved flatness The effect of the indicator

Inactive Publication Date: 2013-05-22
TIANJIN JUSHI TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention mainly solves the technical problems such as low early strength and long solidification period of the existing asphalt concrete when laying the pavement; furthermore, it provides a concrete batching that can meet the traffic requirements within 2 hours after pouring and is consistent with the asphalt concrete pavement. rapid setting concrete

Method used

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  • Concrete ingredient and fast hardening concrete

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Experimental program
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Effect test

Embodiment 1

[0021] The proportions (percentages) of the concrete ingredients used in this embodiment are as follows: by weight percentage, among which: 40% of sulphur-aluminum cement, 20% of stones, 33.1% of the mixture of gold steel sand and quartz sand, shear ball-marked steel Fiber 2%, fly ash 1%, carbon black 2%, calcium sulfoaluminate cement expansion agent 0.8%, polycarboxylate high-performance water reducing agent 0.1%, sulfo-aluminum cement accelerator 1%. According to the above proportions, weigh 400Kg of sulfo-alumina cement, 200Kg of stones, 331Kg of the mixture of diamond sand and quartz sand, 20Kg of steel fiber, 10Kg of fly ash, 20Kg of carbon black, 8Kg of calcium sulfoaluminate cement expansion agent, polycarboxylate Acid-based high-performance water reducer 1Kg, sulfur-aluminum cement accelerator 10Kg. Among them: the model or label of sulphur-aluminum cement is: 525#, which can be determined according to the grade of the road in actual use. For example, a high grade is u...

Embodiment 2

[0023] The proportions of concrete ingredients used in this embodiment are as follows: by weight percentage, in which: 36% of sulphur-aluminum cement, 22% of granite crushed stone, 34% of the mixture of gold steel sand and quartz sand, 2.2% of shear ball-shaped steel fiber %, fly ash 1%, carbon black 2.5%, calcium sulfoaluminate cement expansion agent 1%, polycarboxylic acid-based high-performance water reducing agent 0.1%, sulfo-aluminum cement accelerator 1.2%. According to the above ratio, weigh 360Kg of sulphoaluminum cement, 220Kg of stones, 340Kg of the mixture of gold steel sand and quartz sand, 22Kg of steel fiber, 10Kg of fly ash, 25Kg of carbon black, 10Kg of calcium sulfoaluminate cement expansion agent, polycarboxylate Acid-based high-performance water reducer 1Kg, sulfur-aluminum cement accelerator 12Kg. Among them: the model or label of sulphur-aluminum cement is: 525#, which can be determined according to the grade of the road in actual use. For example, a high ...

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Abstract

The invention relates to a concrete ingredient and fast hardening concrete prepared by mixing the concrete ingredient, which belong to the field of materials in construction engineering, and are mainly used in masonry or rush repair of the periphery of inspection wells on urban roads. The concrete ingredient includes sulfur aluminum cement, coarse aggregate, fine aggregate, a reinforcing material, an enhancing material, a coloring material, an expanding agent, a water reducing agent and an accelerating agent. In the concrete prepared by mixing the concrete ingredient, the weight ratio of the fast hardening concrete ingredient to water is 1:0.12-0.13. The concrete prepared by mixing the concrete ingredient has the properties of self-leveling, super early strength, high strength, micro expansion, resistance to shrinking, penetration, wear and ageing, and the like.

Description

technical field [0001] The invention belongs to the field of materials in construction engineering, and is mainly used for masonry or emergency repair around urban road inspection wells, such as wellhead laying, wellhead repair, etc. The fast-setting concrete prepared by this ingredient. It can also be used in related technical fields such as high-durability concrete engineering. Background technique [0002] When the existing asphalt pavement is laid, it goes through multiple processes, such as road leveling, compaction, laying the bottom layer such as fine stone and other aggregates, and then paving asphalt and other pavement materials by the road paver, and finally flattening and compacting by the equipment. . Since there are related wellheads for water and electricity on each road surface, these wellheads are formed by building wellhead walls and adding manhole covers at the wellheads. Due to the requirements of building strength, the construction of the wellhead and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/36
CPCC04B28/06Y02W30/91C04B14/02C04B14/048C04B14/06C04B14/185C04B14/303C04B14/48C04B18/08C04B20/0076C04B20/026C04B22/008C04B2103/001C04B2103/12C04B2103/302C04B2103/54C04B7/32C04B7/323C04B14/022C04B24/2641
Inventor 刘玉玲
Owner TIANJIN JUSHI TECH DEV
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