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A kind of preparation method of environment-friendly permeable concrete for highway engineering

A permeable concrete and engineering technology, applied in the field of permeable concrete, can solve the problems of difficult construction, poor strength, poor water permeability, etc., and achieve the effects of improving bonding strength, rational utilization of resources, and high surface energy.

Active Publication Date: 2020-12-18
上海拜石实业发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of the defects of poor strength, poor water permeability and difficult construction control of current permeable concrete, the present invention provides an environmentally friendly permeable concrete for road engineering, including the following raw materials: cement, palm ash, coarse aggregate, porous fine aggregate, fiber reinforcement , silica fume, water

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] An environmentally friendly permeable concrete for highway engineering is prepared from the following raw materials in terms of mass percentage: 16% cement, 1.8% palm ash, 6% porous fine aggregate, 3.5% fiber reinforcement, 1% silica fume, Water is 5.6%, and the balance is coarse aggregate.

[0045]The cement is Portland cement. Factory standard P.O 42.5, Xidayao Kiln, Dengta City, Liaoning Province.

[0046] The palm ash is the ashes after burning palm shells; the parameters of the palm ash are shown in Table 1.

[0047] The porous fine aggregate is expanded vermiculite; the particle size of the expanded vermiculite is 2 mm.

[0048] The fiber reinforcement is obtained by mixing regenerated polyethylene fibers and regenerated polypropylene fibers at a mass ratio of 1:1.5; the regenerated polyethylene fibers are purchased from Huimin County Taili Chemical Fiber Products Co., Ltd., with a tensile strength of 10.5cN / dtex and a diameter of The regenerated polypropylene ...

Embodiment 2

[0057] An environmentally friendly permeable concrete for highway engineering is prepared from the following raw materials by mass percentage: 14% cement, 3.8% palm ash, 6% porous fine aggregate, 3.5% fiber reinforcement, 1% silica fume, Water is 5.6%, and the balance is coarse aggregate.

[0058] The cement is Portland cement. Factory standard P.O 42.5, Xidayao Kiln, Dengta City, Liaoning Province.

[0059] The palm ash is the ashes after burning palm shells; the parameters of the palm ash are shown in Table 1.

[0060] The porous fine aggregate is expanded vermiculite; the particle size of the expanded vermiculite is 2mm.

[0061] The fiber reinforcement is obtained by mixing regenerated polyethylene fibers and regenerated polypropylene fibers at a mass ratio of 1:1.5; the regenerated polyethylene fibers are purchased from Huimin County Taili Chemical Fiber Products Co., Ltd., with a tensile strength of 10.5cN / dtex and a diameter of The regenerated polypropylene fiber was...

Embodiment 3

[0070] An environmentally friendly permeable concrete for highway engineering is prepared from the following raw materials in terms of mass percentage: 12% cement, 5.8% palm ash, 6% porous fine aggregate, 3.5% fiber reinforcement, 1% silica fume, Water is 5.6%, and the balance is coarse aggregate.

[0071] The cement is Portland cement. Factory standard P.O 42.5, Xidayao Kiln, Dengta City, Liaoning Province.

[0072] The palm ash is the ashes after burning palm shells; the parameters of the palm ash are shown in Table 1.

[0073] The porous fine aggregate is expanded vermiculite; the particle size of the expanded vermiculite is 2mm.

[0074] The fiber reinforcement is obtained by mixing regenerated polyethylene fibers and regenerated polypropylene fibers at a mass ratio of 1:1.5; the regenerated polyethylene fibers are purchased from Huimin County Taili Chemical Fiber Products Co., Ltd., with a tensile strength of 10.5cN / dtex and a diameter of The regenerated polypropylene ...

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Abstract

The invention discloses environment-friendly water-permeable concrete for highway engineering. The environment-friendly water-permeable concrete is prepared from cement, palm ash, coarse aggregate, porous fine aggregate, fiber enhancer, micro silica powder and water. The invention also discloses a preparation method of the concrete. Compared with the prior art, the palm ash which is obtained afterpalm shells are burnt up, renewable polyethylene fibers and renewable polypropylene fibers are adopted as the raw materials for reinforcement of the concrete, waste is turned into treasure, the resources are utilized reasonably, and therefore the concrete has a significant meaning on environmental protection work. Additionally, the environment-friendly water-permeable concrete for highway engineering can improve the water-permeable performance remarkably when ensuring the pressure resistance and can also meet construction demands for highways.

Description

technical field [0001] The invention relates to a permeable concrete, in particular to an environment-friendly permeable concrete for road engineering. Background technique [0002] permeable concrete [0003] As a new type of pavement paving material with high permeability, permeable concrete has good ecological and environmental benefits. Due to the continuous expansion of modern cities, large areas of forests, grasslands and cultivated land have been destroyed, and the original virtuous cycle of biological ecosystems has been seriously damaged, and the pavement of large areas of impermeable and airtight traditional concrete water-blocking pavement materials , causing great pressure on the virtuous cycle of the urban ecological environment. The increasingly serious urban "heat island effect" has a serious impact on the exchange of water, air and heat in the city. Due to the dense urban buildings, the asphalt pavement and concrete cement pavement absorb a lot of heat duri...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/04
CPCC04B28/04C04B2111/00017C04B2111/00284C04B2111/0075C04B2201/50C04B18/101C04B14/204C04B18/20C04B18/146C04B14/048
Inventor 刘群
Owner 上海拜石实业发展有限公司
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