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Novel frost-resistant concrete

A new type of concrete technology, applied in the field of concrete, can solve the problems of easy cracking by freezing, false coagulation, and affecting the durability of concrete engineering, and achieve the effect of good frost resistance and high strength

Inactive Publication Date: 2015-04-29
安徽省无为市泉塘预制厂
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Our country has a vast territory, and the climate and environment of different regions are quite different. In the vast western and northern regions of our country, the temperature in winter is low, and the frost resistance of ordinary concrete cannot meet its requirements. Coagulation phenomenon, thus affecting the durability of concrete works

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] The novel antifreeze concrete of the present invention, its raw material comprises the following components by weight: 60 parts of cement, 350 parts of stones, 130 parts of yellow sand, 150 parts of melon seed slices, 55 parts of coal gangue, 35 parts of phosphorus slag powder, 20 parts of zeolite powder Parts, 8 parts of rubber powder, 3 parts of carboxylated styrene-butadiene latex, 50 parts of cellulose, 2 parts of water reducer, 1.2 parts of accelerator, 2 parts of compound pumping agent, 1.8 parts of alkali-aggregate reaction inhibitor, thio 1 part of sodium sulfate, 0.9 part of sodium acetate, 100 parts of water;

[0016] Wherein, the composite pumping agent consists of 3 parts by weight of calcium lignosulfonate, 60 parts by weight of polycarboxylate superplasticizer, 1.5 parts by weight of anhydrous sodium sulfate, 0.2 parts by weight of sodium abietate, 10 parts by weight of ethyl hydroxyethyl Methyl cellulose and 15 parts by weight of fly ash are mixed, ground...

Embodiment 2

[0018] The novel antifreeze concrete of the present invention, its raw material comprises the following components by weight: 150 parts of cement, 180 parts of stones, 250 parts of yellow sand, 70 parts of melon seed slices, 90 parts of coal gangue, 10 parts of phosphorus slag powder, 70 parts of zeolite powder 3 parts of rubber powder, 12 parts of carboxylated styrene-butadiene latex, 20 parts of cellulose, 4 parts of water reducing agent, 0.3 parts of accelerator, 4.5 parts of compound pumping agent, 0.3 parts of alkali-aggregate reaction inhibitor, thio 2.3 parts of sodium sulfate, 0.3 parts of sodium acetate, 200 parts of water;

[0019] Wherein, the granularity of described rubber powder is 100 orders;

[0020] The composite pumping agent consists of 5 parts by weight of calcium lignosulfonate, 30 parts by weight of polycarboxylate superplasticizer, 0.3 parts by weight of anhydrous sodium sulfate, 1.5 parts by weight of sodium rosinate, 5 parts by weight of hydroxyethyl m...

Embodiment 3

[0022] The novel antifreeze concrete of the present invention, its raw material comprises the following components by weight: 127 parts of cement, 270 parts of stones, 206 parts of yellow sand, 112 parts of melon seed slices, 88 parts of coal gangue, 15 parts of phosphorus slag powder, 37 parts of zeolite powder 6.3 parts of rubber powder, 11.6 parts of carboxylated styrene-butadiene latex, 40 parts of cellulose, 2.93 parts of water reducing agent, 1 part of accelerator, 3.4 parts of compound pumping agent, 1.4 parts of alkali-aggregate reaction inhibitor, thio 1.92 parts of sodium sulfate, 0.63 parts of sodium acetate, 172 parts of water;

[0023] Wherein, the granularity of described rubber powder is 120 orders;

[0024]The composite pumping agent consists of 4.2 parts by weight of calcium lignosulfonate, 52 parts by weight of polycarboxylate superplasticizer, 1.3 parts by weight of anhydrous sodium sulfate, 0.8 parts by weight of sodium rosinate, 7 parts by weight of hydrox...

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Abstract

The invention discloses novel frost-resistant concrete. Raw materials comprise cement, stones, yellow sands, melon seed-shaped drug slices, coal gangue, phosphorus slag powder, zeolite powder, rubber powder, a carboxylated butadiene-styrene rubber emulsion, cellulose, a water reducer, an accelerator, a compound pumping aid, an alkaline-aggregate reaction inhibitor, sodium thiosulfate, sodium acetate and water. The compound pumping aid is obtained by mixing, grinding, crushing and screening calcium lignosulphonate, a polycarboxylate efficient water reducer, anhydrous sodium sulfate, sodium abietate, hydroxyethylmethylcellulose and coal ash. The novel frost-resistant concrete is high in strength and good in frost-resistance.

Description

technical field [0001] The invention relates to the technical field of concrete, in particular to a novel antifreeze concrete. Background technique [0002] Concrete is currently the building material with the widest application range and the largest amount of use. It has the advantages of simple construction, high strength, good stability, good durability, and low maintenance cost. It has been widely used in construction. Our country has a vast territory, and the climate and environment of different regions are quite different. In the vast western and northern regions of our country, the temperature in winter is low, and the frost resistance of ordinary concrete cannot meet its requirements. Coagulation phenomenon, thus affecting the durability of concrete works. Contents of the invention [0003] The invention proposes a novel antifreeze concrete with high strength and good antifreeze performance. [0004] The present invention proposes a new type of antifreeze concret...

Claims

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Application Information

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IPC IPC(8): C04B28/00C04B24/38
Inventor 陈元仕
Owner 安徽省无为市泉塘预制厂
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