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Impact-erosion resistant marine concrete dual-ash gelling powder and preparation method and device thereof

A marine concrete and anti-abrasion technology, applied in the field of cementitious materials, can solve the problems of poor anti-abrasion ability, achieve good anti-cracking and anti-abrasion ability, improve cold and heat resistance and corrosion resistance, and resist seawater penetration effect

Inactive Publication Date: 2020-03-27
HUNAN LVSHENG TECH DEV CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the deficiencies in the prior art, the object of the present invention is to provide a scour-resistant marine concrete double-ash cementitious powder and its preparation method and device, which solve the problem of poor scour-resistant capacity of existing marine concrete

Method used

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  • Impact-erosion resistant marine concrete dual-ash gelling powder and preparation method and device thereof
  • Impact-erosion resistant marine concrete dual-ash gelling powder and preparation method and device thereof
  • Impact-erosion resistant marine concrete dual-ash gelling powder and preparation method and device thereof

Examples

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Effect test

Embodiment 1

[0051] Example 1: A scour-resistant marine concrete double-ash cementitious powder and its preparation method and device. The double-ash cementitious powder includes the following raw material components and parts by weight:

[0052] Cement 35kg;

[0053] Furnace steel ash 18kg;

[0054] Slag 15kg;

[0055] Silica fume 16kg;

[0056] Expanded graphite 3kg;

[0057] Ceramic powder 3kg;

[0058] Rubber powder 8kg;

[0059] Anti-rust powder 1kg.

[0060] The fineness of expanded graphite is 600-900 mesh. The specific surface area of ​​slag is 488m 2 / kg, the density is 2.86g / cm 3 .

[0061] The preparation method of double gray gelled powder, comprises the following steps:

[0062] S1, material preparation: according to the parts by weight of the above-mentioned double ash gelatinized powder raw material components, weigh each raw material component;

[0063] S2: Preparation of base material: Place cement, furnace steel ash, slag and silica fume in a mixing and stirrin...

Embodiment 2

[0078] Embodiment 2: A kind of scour-resistant marine concrete double-ash cementitious powder and its preparation method and device. The difference from Example 1 is that the double-ash cementitious powder includes the following raw material components and parts by weight:

[0079] Cement 30kg;

[0080] Furnace steel ash 15kg;

[0081] Slag 12kg;

[0082] Silica fume 15kg;

[0083] Expanded graphite 2kg;

[0084] Ceramic powder 2kg;

[0085] Rubber powder 5kg;

[0086] Anti-rust powder 0.5kg.

Embodiment 3

[0087] Example 3: A scour-resistant marine concrete double-ash cementitious powder and its preparation method and device. The difference from Example 1 is that the double-ash cementitious powder includes the following raw material components and parts by weight:

[0088] Cement 40kg;

[0089] Furnace steel ash 25kg;

[0090] Slag 20kg;

[0091] Silica fume 18kg;

[0092] Expanded graphite 5kg;

[0093] Ceramic powder 5kg;

[0094] Rubber powder 12kg;

[0095] Anti-rust powder 1.8kg.

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Abstract

The invention discloses an impact-erosion resistant marine concrete dual-ash gelling powder and a preparation method and device thereof, and belongs to the field of gelling materials. The dual-ash gelling powder comprises following raw materials in parts by weight: 30 to 40 parts of cement, 15 to 25 parts of furnace steel ash, 12 to 20 parts of slag, 15 to 18 parts of silica fume, 2 to 5 parts ofexpanded graphite, 2 to 5 parts of ceramic micro powder, and 5 to 12 parts of rubber powder. The preparation method comprises following steps: preparing raw materials; preparing a basic material; andpreparing the dual-ash gelling powder. The problem that in the prior art, the impact-erosion resistant performance of conventional marine concrete is bad is solved.

Description

technical field [0001] The invention relates to the field of cementitious materials, more specifically, it relates to a scour-resistant marine concrete double-ash cementitious powder and a preparation method and device thereof. Background technique [0002] Marine concrete is also called marine concrete. It is generally believed that the concrete used in structures that are often subjected to splashing by waves belongs to marine concrete. Marine concrete is a high-performance concrete with high workability and high durability. [0003] Marine concrete generally includes cementitious materials, water and aggregates. Under physical and chemical action, the cementitious material can change from slurry to solid stone-like body, and can cement other materials to form a composite solid material with certain mechanical strength. [0004] The cementitious material used in the existing marine concrete is generally composed of cement, mineral powder, and fly ash mixed in a certain ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/02C04B111/24
CPCC04B28/02C04B2111/24C04B18/141C04B18/08C04B18/146C04B14/024C04B18/023C04B18/22C04B2103/61
Inventor 张建军何祥华张舜洋
Owner HUNAN LVSHENG TECH DEV CO LTD
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