Experimental investigation and numerical modeling on mechanical behavior of highly porous cement-based material: An overview

被引:6
|
作者
Nguyen, Thang T. [1 ]
机构
[1] Hanoi Univ Civil Engn, Fac Bldg & Ind Construct, Hanoi, Vietnam
关键词
Porous; cement based; foam concrete; geopolymer; discrete element method; DEM; numerical modeling; GEOPOLYMER FOAM CONCRETE; AIR-VOID STRUCTURE; FLY-ASH; AERATED CONCRETE; COMPRESSIVE STRENGTH; FLEXURAL STRENGTH; PORE STRUCTURE; ELEMENT; ROCK; SIZE;
D O I
10.1080/15376494.2023.2264899
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
This paper presents an overview of recent developments in experimental investigation and numerical modeling of highly porous cement-based materials, focusing on traditional Portland cement (PC) and geopolymer foam concrete. It starts by introducing the advantages of using highly porous cement-based materials compared to their dense counterparts and then delves into the properties of PC and geopolymer foam concrete. The first part of the review is dedicated to the experimental investigation, including mixture proportions, foaming methods, mechanical properties and air-void systems. This part also summarizes and discusses various strength prediction models for foam concrete that were drawn from experimental data. The second part of the review is dedicated to the computational methods used to simulate porous materials, and attention is focused on continuum-based and discrete-based approaches. Finally, the failure mechanism of porous cement-based materials is discussed, along with comparing the failure criteria for both dense and porous cement-based materials.
引用
收藏
页码:9040 / 9061
页数:22
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