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Geo-Engineering and Microstructural Properties of Geopolymer Concrete and Motar: A Review

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Iranian Journal of Science and Technology, Transactions of Civil Engineering Aims and scope Submit manuscript

Abstract

Constant generation of industrial waste has taken a massive toll on the environment, and therefore, many researchers are continuously looking for ways to utilize these by-products effectively to mitigate the problems associated with it. Moreover, the amount of carbon dioxide (CO2) emission has also increased dramatically due to the massive generation of cement, creating a serious threat to the environment. Geopolymer concrete (GPC) has been introduced as a better alternative to replace Ordinary Portland Cement-based concrete. The introduction of a new geopolymer material that can replace the traditional cement plug for upstream carbon capture and sequestration is the unique aspect of this research. Research findings reveal that as compared to conventional concrete, GPC exhibits excellent durability, higher compressive and flexural strength, faster setting time, low CO2 emission and high temperature resistance, etc. This paper presents a comprehensive review of geo-engineering properties and microstructural behaviour of geopolymer concrete and mortar. Physical properties, chemical compositions, mechanical properties and microstructural changes of both the geopolymer concrete and mortar have been peer reviewed, with a focus on compressive strength, setting time, water absorption, durability, permeability and leaching of heavy metals. It has also been discussed how different chemical admixtures such as calcium sucrose, glucose, acetic acid solution, sodium sulphate and sodium hydroxide affect its characteristics. The effect of calcium silicate hydrate (C-S-H), and calcium aluminium silicate hydrate (C-A-S-H) phase matrix in geopolymer concrete and mortar has been discussed. Moreover, GPC with various secondary industrial waste materials with its prospective applications in the building industry, has been briefly addressed.

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Data Availability

The data or research articles used to support the findings of the study are included in this review article.

Abbreviations

AAS:

Alkali activator solution

Al2O3 :

Aluminium oxide

BDL:

Below detection level

CaCO3 :

Calcium carbonate

CaO:

Calcium oxide

CLS/GB:

Catalytic liquid system to geopolymer binder ratio

CO2 :

Carbon dioxide

CP:

Container glass

FA:

Fly ash

Fe2O3 :

Ferric oxide

GGBS/GBFS:

Ground granulated blast furnace slag

GLSS:

Granulated lead smelter

GPC:

Geopolymer Concrete

GRAC:

Geopolymer recycled aggregate concrete

ITZ:

Interfacial transition zone

MIP:

Mercury intrusion porosimetry

MPCM:

Micro-encapsulated phase change materials

Na2SiO3 :

Sodium silicate

NaOH:

Sodium hydroxide

NASH:

Sodium alumino-sulphate hydrate

NS:

Nano-silica

OPC:

Ordinary Portland cement

PC:

Precast concrete

PCC:

Portland cement concrete

POFA:

Palm oil fuel ash

RA:

Recycled aggregate

RCA:

Recycled concrete aggregate

RFFG:

Red mud-class F fly ash-based geopolymers

RHA:

Rice husk ash

RM:

Red mud

SEM:

Scanning electron microscope

SF:

Silica Fume

Si/Al:

Silicon/Aluminium

SiO2 :

Silicate oxide

SS/SH:

Sodium silicate/sodium hydroxide

w/b:

Water/binder

W/GPS:

Water to geopolymer ratio

XRD:

X-ray diffraction

XRF:

X-ray fluorescence

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Acknowledgements

We, the authors would like to acknowledge the researchers whose research findings we have referred in this review paper.

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Correspondence to Aparupa Pani.

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There is no conflict of interest by the authors with anyone whosoever is connected with this research.

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Tushar, D., Das, D., Pani, A. et al. Geo-Engineering and Microstructural Properties of Geopolymer Concrete and Motar: A Review. Iran J Sci Technol Trans Civ Eng 46, 2713–2737 (2022). https://doi.org/10.1007/s40996-021-00756-y

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  • DOI: https://doi.org/10.1007/s40996-021-00756-y

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