玻璃粉-粉煤灰基地聚合物混凝土力学及微观性能研究

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发布时间：2020-01-06 00:00:00

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玻璃粉-粉煤灰基地聚合物混凝土力学及微观性能研究

Study on Mechanical and Microscopic Properties of Glass Powder and Fly Ash Based Geopolymer Concrete

2022年第8期

玻璃粉；粉煤灰；复合碱激发剂；地聚合物混凝土；力学性能；微观结构

Abstract: The effects of particle size and substitution rate of glass powder, modulus and concentration of composite alkali activator on the mechanical properties and microstructure of glass powder and fly ash based geopolymer concrete (GAGC) were studied. The results show that the compressive strength of GAGC increases first and then decreases with the increase of glass powder substitution rate, and the optimal substitution rate is 40%. With the increase of glass powder particle size, the gel and cluster structures in GAGC system decrease, the microstructure changes from dense to loose, and the mechanical properties decrease, and the optimal particle size is(10±2)μm. With the increase of the modulus and concentration of composite alkali activator, the compressive strength of GAGC increases first and then decreases, and the optimal modulus and concentration are 1.5 and 1.4 mol/kg respectively.

2022年第8期

10.19761/j.1000-4637.2022.08.091.05

交通运输行业重点科技项目（2020-MS1-003）；佛山市科技计划项目（2020001005435）。

陈剑刚1，潘泽滨2，马云龙1，舒本安1，成浩1，杨腾宇1

1.佛山市交通科技有限公司，广东佛山 528300；2.洋浦经济开发区规划建设土地局，海南洋浦578101

陈剑刚1，潘泽滨2，马云龙1，舒本安1，成浩1，杨腾宇1

陈剑刚,潘泽滨,马云龙,等.玻璃粉-粉煤灰基地聚合物混凝土力学及微观性能研究[J].混凝土与水泥制品,2022(8):91-95.

CHEN J G,PAN Z B,MA Y L,et al.Study on Mechanical and Microscopic Properties of Glass Powder and Fly Ash Based Geopolymer Concrete[J].China Concrete and Cement Products,2022(8):91-95.

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1000

摘要：研究了玻璃粉的粒径和取代率、复合碱激发剂的模数和浓度对玻璃粉-粉煤灰基地聚合物混凝土（GAGC）力学性能和微观结构的影响。结果表明：随着玻璃粉取代率的增加，GAGC的抗压强度呈先增大后减小的趋势，最佳取代率为40%；随着玻璃粉粒径的增大，GAGC体系中的凝胶体和团簇结构减少，微观结构由密实转为松散，力学性能降低，最优粒径为（10±2）μm；随着复合碱激发剂模数和浓度的增大，GAGC的抗压强度呈先增大后减小的趋势，最佳模数和浓度分别为1.5和1.4 mol/kg。 Abstract: The effects of particle size and substitution rate of glass powder, modulus and concentration of composite alkali activator on the mechanical properties and microstructure of glass powder and fly ash based geopolymer concrete (GAGC) were studied. The results show that the compressive strength of GAGC increases first and then decreases with the increase of glass powder substitution rate, and the optimal substitution rate is 40%. With the increase of glass powder particle size, the gel and cluster structures in GAGC system decrease, the microstructure changes from dense to loose, and the mechanical properties decrease, and the optimal particle size is(10±2)μm. With the increase of the modulus and concentration of composite alkali activator, the compressive strength of GAGC increases first and then decreases, and the optimal modulus and concentration are 1.5 and 1.4 mol/kg respectively.

英文名 : Study on Mechanical and Microscopic Properties of Glass Powder and Fly Ash Based Geopolymer Concrete

刊期 : 2022年第8期

关键词 : 玻璃粉；粉煤灰；复合碱激发剂；地聚合物混凝土；力学性能；微观结构

Key words : Abstract: The effects of particle size and substitution rate of glass powder, modulus and concentration of composite alkali activator on the mechanical properties and microstructure of glass powder and fly ash based geopolymer concrete (GAGC) were studied. The results show that the compressive strength of GAGC increases first and then decreases with the increase of glass powder substitution rate, and the optimal substitution rate is 40%. With the increase of glass powder particle size, the gel and cluster structures in GAGC system decrease, the microstructure changes from dense to loose, and the mechanical properties decrease, and the optimal particle size is(10±2)μm. With the increase of the modulus and concentration of composite alkali activator, the compressive strength of GAGC increases first and then decreases, and the optimal modulus and concentration are 1.5 and 1.4 mol/kg respectively.

刊期 : 2022年第8期

DOI : 10.19761/j.1000-4637.2022.08.091.05

文章编号 :

基金项目 : 交通运输行业重点科技项目（2020-MS1-003）；佛山市科技计划项目（2020001005435）。

作者 : 陈剑刚1，潘泽滨2，马云龙1，舒本安1，成浩1，杨腾宇1

单位 : 1.佛山市交通科技有限公司，广东佛山 528300；2.洋浦经济开发区规划建设土地局，海南洋浦578101

陈剑刚1，潘泽滨2，马云龙1，舒本安1，成浩1，杨腾宇1

陈剑刚,潘泽滨,马云龙,等.玻璃粉-粉煤灰基地聚合物混凝土力学及微观性能研究[J].混凝土与水泥制品,2022(8):91-95.

CHEN J G,PAN Z B,MA Y L,et al.Study on Mechanical and Microscopic Properties of Glass Powder and Fly Ash Based Geopolymer Concrete[J].China Concrete and Cement Products,2022(8):91-95.

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玻璃粉-粉煤灰基地聚合物混凝土力学及微观性能研究

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