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Sisal fiber enhanced coral concrete and preparation method thereof

A technology of sisal fiber and concrete, which is applied in the field of construction engineering materials to achieve the effects of reducing the amount of production, improving impermeability, and increasing the splitting tensile strength

Active Publication Date: 2014-11-19
GUILIN UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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The above ideas have not been reported in the literature

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Embodiment 1

[0018] A kind of sisal fiber reinforced coral concrete, is made up of coral concrete and sisal fiber, and the volume percentage content of two components is: 99.79% coral concrete and 0.21% sisal fiber; The water of this sisal fiber reinforced coral concrete The gray ratio (the ratio of water weight to cement weight per cubic meter of coral concrete) is 0.40.

[0019] The components per cubic meter of the coral concrete are: 450 kilograms of cement, 830 kilograms of sand, 716 kilograms of coral and 180 kilograms of seawater; wherein: cement is ordinary Portland cement with a label of 42.5; sand is natural river sand; coral is ordinary Gravel coral reefs.

[0020] The length of the sisal fiber is 10±2 mm, the tensile strength is 500-700 MPa, and the mass is 3 kg.

[0021] The preparation method of above-mentioned sisal fiber reinforced coral concrete, concrete steps are:

[0022] (1) Weigh all the raw materials according to the above composition requirements and set aside.

...

Embodiment 2

[0026] A kind of sisal fiber reinforced coral concrete, which is composed of coral concrete and sisal fiber, the volume percentage content of the two components is: 99.72% coral concrete and 0.28% sisal fiber, the sisal fiber strengthens the water content of coral concrete The gray ratio (the ratio of water weight to cement weight per cubic meter of coral concrete) is 0.40.

[0027] The components per cubic meter of the coral concrete are: 450 kilograms of cement, 830 kilograms of sand, 716 kilograms of coral and 180 kilograms of seawater; wherein: cement is ordinary Portland cement with a label of 42.5; sand is natural river sand; coral is ordinary Gravel coral reefs.

[0028] The length of the sisal fiber is 10±2 mm, the tensile strength is 500-700 MPa, and the mass is 4.5 kg.

[0029] The preparation method of above-mentioned sisal fiber reinforced coral concrete, concrete steps are:

[0030] (1) Weigh all the raw materials according to the above composition requirements ...

Embodiment 3

[0034] A kind of sisal fiber reinforced coral concrete, which is composed of coral concrete and sisal fiber, the volume percentage content of the two components is: 99.72% coral concrete and 0.28% sisal fiber, the sisal fiber strengthens the water content of coral concrete The gray ratio (the ratio of water weight to cement weight per cubic meter of coral concrete) is 0.40.

[0035] The coral concrete is coral concrete of C30 grade, and its components per cubic meter are: 337.5 kilograms of cement, 112.5 kilograms of silica fume, 830 kilograms of sand, 716 kilograms of coral and 180 kilograms of seawater; wherein: cement is ordinary silica gel with a label of 42.5 Salt cement; silica fume has a particle size of 0.1 micron and a specific surface area of ​​28m 2 / g of silica fume; sand is natural river sand; coral is ordinary gravel coral reef.

[0036] The length of the sisal fiber is 10±2 mm, the tensile strength is 500-700 MPa, and the mass is 4.5 kg.

[0037] The preparati...

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Abstract

The invention discloses sisal fiber enhanced coral concrete and a preparation method thereof. The concrete consists of coral concrete and sisal fibers, wherein the coral concrete is in the level C30, and each cubic meter of the coral concrete consists of 315-360 kilograms of cement, 90-135 kilograms of silica fume, 830 kilograms of sand, 716 kilograms of coral and 180 kilograms of seawater; the mass sum of the cement and the silica fume is 450 kilograms. The sisal fiber enhanced coral concrete is prepared by pouring cement, silica fume, sand and coral into an agitating machine for agitating, adding the sisal fibers for uniform dry agitating, and then adding the seawater for agitating. The concrete disclosed by the invention is high in splitting tensile strength and breaking strength, and has the characteristics of energy conservation, environment friendliness, low manufacturing cost, low heat conduction property, zero electromagnetic interference and the like.

Description

technical field [0001] The invention belongs to the technical field of building engineering materials, in particular to a sisal fiber reinforced coral concrete and a preparation method thereof. Background technique [0002] Coral concrete has broad application prospects in island construction and can be applied to flood barriers, roads, airports and other projects in islands and coastal areas. Under the premise of not destroying the local ecological environment, the coral concrete prepared based on coral reef instead of coarse aggregate and seawater instead of fresh water has great practical significance in civil engineering and military engineering. In order to improve the strength and toughness of coral concrete, referring to the example of adding fibers to ordinary concrete, sisal fibers are mixed into coral concrete to improve the basic mechanical properties of coral concrete. [0003] Fiber-reinforced coral concrete is a general term for cement-based composite material...

Claims

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Application Information

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IPC IPC(8): C04B28/04C04B16/02C04B14/06C04B14/28
Inventor 王磊夏海龙刘存鹏
Owner GUILIN UNIVERSITY OF TECHNOLOGY
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