透水混凝土的细观孔隙结构分析_《混凝土与水泥制品》杂志社

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透水混凝土的细观孔隙结构分析

Analysis of Microscopic Pore Structure of Pervious Concrete

2022年第7期

透水混凝土；CT扫描；骨料粒径；胶凝材料用量；细观分析；透水率

Pervious concrete; CT scan; Aggregate particle size; Dosage of cementitious material; Mesoscopic analysis; Permeability

2022年第7期

10.19761/j.1000-4637.2022.07.040.05

国家自然科学基金项目（51604183）；山西省青年科技研究基金项目（201703D111027）。

刘冠志1，侯泽彪1，廖霖1，吕永斌2，李子东2，王永明2

Pervious concrete; CT scan; Aggregate particle size; Dosage of cementitious material; Mesoscopic analysis; Permeability

刘冠志1，侯泽彪1，廖霖1，吕永斌2，李子东2，王永明2

刘冠志,侯泽彪,廖霖,等.透水混凝土的细观孔隙结构分析[J].混凝土与水泥制品,2022(7):40-44.

LIU G Z,HOU Z B,LIAO L,et al.Analysis of Microscopic Pore Structure of Pervious Concrete[J].China Concrete and Cement Products,2022(7):40-44.

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1000

摘要：为了探究不同骨料粒径及不同胶凝材料用量对透水混凝土内部孔隙结构的影响，采用CT扫描技术对不同骨料粒径以及不同胶凝材料用量的试件进行了试验，并使用重构软件对扫描结果进行了二维及三维分析。结果表明：主要影响透水混凝土孔隙结构的因素是骨料粒径和胶凝材料用量；孔隙结构可以看作由孔室和孔喉两部分组成，骨料粒径对孔室的影响较大，孔室的大小随着骨料粒径的增大逐渐向大孔室发展；孔喉面积主要受胶凝材料用量的影响；孔喉面积对透水混凝土的透水率有一定的影响。 Abstract: In order to explore the effects of different particle sizes of aggregates and different amounts of cementitious materials on the internal pore structure of permeable concrete, CT scanning technology was used to test specimens with different aggregate particle sizes and different amounts of cementitious materials, and reconstruction software was used. The scan results were analyzed in 2D and 3D. The results show that the factors affecting the pore structure of permeable concrete are the aggregate particle size and the amount of cementitious material. The pore structure can be regarded as consisting of two parts, the pore chamber and the pore throat, and the aggregate particle size has a great influence on the pore chamber. With the increase of aggregate particle size, the size of the pore chamber gradually develops into a large pore, and the pore throat area is mainly affected by the amount of cementitious material. Pore throat area has a certain influence on the permeability of pervious concrete.

英文名 : Analysis of Microscopic Pore Structure of Pervious Concrete

刊期 : 2022年第7期

关键词 : 透水混凝土；CT扫描；骨料粒径；胶凝材料用量；细观分析；透水率

Key words : Pervious concrete; CT scan; Aggregate particle size; Dosage of cementitious material; Mesoscopic analysis; Permeability

刊期 : 2022年第7期

DOI : 10.19761/j.1000-4637.2022.07.040.05

文章编号 :

基金项目 : 国家自然科学基金项目（51604183）；山西省青年科技研究基金项目（201703D111027）。

作者 : 刘冠志1，侯泽彪1，廖霖1，吕永斌2，李子东2，王永明2

单位 : Pervious concrete; CT scan; Aggregate particle size; Dosage of cementitious material; Mesoscopic analysis; Permeability

刘冠志1，侯泽彪1，廖霖1，吕永斌2，李子东2，王永明2

刘冠志,侯泽彪,廖霖,等.透水混凝土的细观孔隙结构分析[J].混凝土与水泥制品,2022(7):40-44.

LIU G Z,HOU Z B,LIAO L,et al.Analysis of Microscopic Pore Structure of Pervious Concrete[J].China Concrete and Cement Products,2022(7):40-44.

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摘要

参数

结论

参考文献

引用本文

Abstract: In order to explore the effects of different particle sizes of aggregates and different amounts of cementitious materials on the internal pore structure of permeable concrete, CT scanning technology was used to test specimens with different aggregate particle sizes and different amounts of cementitious materials, and reconstruction software was used. The scan results were analyzed in 2D and 3D. The results show that the factors affecting the pore structure of permeable concrete are the aggregate particle size and the amount of cementitious material. The pore structure can be regarded as consisting of two parts, the pore chamber and the pore throat, and the aggregate particle size has a great influence on the pore chamber. With the increase of aggregate particle size, the size of the pore chamber gradually develops into a large pore, and the pore throat area is mainly affected by the amount of cementitious material. Pore throat area has a certain influence on the permeability of pervious concrete.

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透水混凝土的细观孔隙结构分析

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