The Role of Nano-Technology in Sustainable Construction: A Case Study of Using Nano Granite Waste Particles in Cement Mortar

Bakhoum, Emad S.; Garas, Gihan L.; Allam, Mostafa E.; Ezz, Hesham

doi:10.4186/ej.2017.21.4.217

Cited by 19 publications

(10 citation statements)

References 14 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Replacing 5% of cement and 10% of sand with marble waste powder in NC5 + NF10 mix gives almost the same compressive strength value obtained from CM. Comparing these results of marble replacement to those of granite with the same mixing proportions cited in Bakhoum et al (2017), the results of green mortar using granite waste powder in Table 5 showed an increase in the compressive strength for all mixes NC5, NF10, and NC5 + NF10, of 33%, 39%, and 41%, respectively.…”

Section: Discussionmentioning

confidence: 70%

“…It should be noted that the mix proportions used in this study were selected similar to those done on granite waste powder in Bakhoum et al (2017) in order to conclude a complete understanding of the behavior of the chemical constituents of marble and granite in mortar mixes.…”

Section: Design Mixesmentioning

confidence: 99%

“…This was referred to the lack of combination between the CSH gel and the granite marble wastes during the hydration process leading to a weak micro-structure of concrete. Bakhoum et al (2017) presented a study on the use of nano-granite waste particles as a partial replacement of cement and fine aggregate in mortar production. The research concluded that replacing 5% cement and 10% sand with nano-granite waste in the mortar mix increased the compressive strength of the green mortar by 41% compared to that of the control mix (CM).…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

A study of the chemical effect of marble and granite slurry on green mortar compressive strength

et al. 2020

View full text Add to dashboard Cite

Background: The marble and granite industries in Egypt produce a vast amount of by-product slurry waste that could be used in green mortar production suitable for construction purposes. This research highlights the effect of the chemical constituents of marble and granite waste powders on the compressive strength of the green concrete produced. A chemical analysis of the constituents of granite and marble wastes was compared with those of the cement to study the effect of these components on the hydration reaction inside the mixture. The experiment was based on replacing the same proportions of sand and cement in the green concrete mixes with each of granite and marble waste powders after dissolving it in the water content. Results: The study revealed that by replacing 5% of cement in (NC5) mix, 10% of sand in (NF10) mix, as well as 5% of cement and 10% of sand in (NC5 + NF10) mix, by granite waste powder, the compressive strength values increased by 33%, 39%, and 41%, respectively. This was due to the presence of more than 26% fine free silica particles in granite which undergo pozzolanic reaction with calcium hydroxide present in mortar pores producing calcium silicate hydrate (CSH) crystals resulting in high strength to the cement mortar. For the same mixes containing marble powder, the compressive strength showed less values by − 14%, 10%, and 0% for NC5, NF10, and NC5 + NF10 mixes, respectively, when compared to the control mix values. Conclusion: Although the waste particles worked as filler, it was observed that its presence in the mixture improved the particle packing and increased the cohesion of the composites.

show abstract

Section: Discussionmentioning

confidence: 70%

Section: Design Mixesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

A study of the chemical effect of marble and granite slurry on green mortar compressive strength

et al. 2020

View full text Add to dashboard Cite

show abstract

“…Granite powder waste is a possible additive for cementitious mixes, but this requires more research. Attempts to use it in cementitious mixes have been going on for several years, and the number of studies conducted for cementitious mixes with this additive is constantly growing [ 33 , 34 , 35 , 36 ]. Gupta and Vyas [ 33 ] performed research related to the partial replacement of fine aggregate in cementitious mortars.…”

Section: Introductionmentioning

confidence: 99%

“…Granite powder, when compared to marble powder, exhibits a better influence on the properties of self-compacting concrete. Bakhoum et al [ 35 ] conducted research related to the addition of granite powder nanoparticles in cementitious mortars. They observed that replacing 10% of cement with the nanoparticles of granite powders could increase the mechanical properties of composites.…”

Section: Introductionmentioning

confidence: 99%

Granite Powder vs. Fly Ash for the Sustainable Production of Air-Cured Cementitious Mortars

Chajec

2021

Materials

View full text Add to dashboard Cite

The partial replacement of cement in concrete with the addition of granite powder and fly ash can help to reduce the carbon dioxide (CO2) emissions into the atmosphere associated with cement production. The aim of the article is to compare the performance of granite powder and fly ash for the sustainable production of air-cured cementitious mortars. The morphological, chemical, and granulometric properties of these additives were first compared with the properties of cement. Afterward, a series of mortars modified with the addition of granite powder and fly ash was made. The properties of the fresh mixes and the mechanical properties of the hardened composites were then tested. Finally, based on the obtained results, a cost analysis of the profitability of modifying cementitious composites with granite powder or fly ash was investigated. The obtained results allow similarities and differences between granite powder and fly ash in relation to cement to be shown. To conclude, it should be stated that both of these materials can successfully be used for the sustainable production of air-cured cementitious composites. This conclusion has a significant impact on the possibility of improving the natural environment by reducing the amount of cement production. More sustainable production of cement-based materials could enable CO2 emissions to be decreased. The use of granite powder for the production of cementitious mortars can significantly reduce the amount of this material deposited in landfills.

show abstract

Sustainable assessment of concrete structures using BIM–LCA–AHP integrated approach

Abdelaal,

Seif,

El-Tafesh

et al. 2023

Environ Dev Sustain

View full text Add to dashboard Cite

Recently, sustainability has become one of the most critical goals to be accomplished in the construction industry to mitigate its environmental impacts, energy consumption, waste, and cost. Therefore, this research aims to assess the sustainability of concrete structures using the Building Information Modeling and Life Cycle Assessment (BIM–LCA) approach. It can aid to rank and select the type of concrete based on sustainability criteria including CO2 emissions, embodied energy, and cost using analytical hierarchy process (AHP) method. One-Click LCA tool has been used for the recognition of the distinctions in the LCA results by adopting different environmental product declaration databases. HBERT is used as a verification tool for One-Click LCA results. A comparative study is applied to a multi-story car park concrete structure using both traditional concrete and green concrete that includes supplementary waste materials. Three different models of concrete that have the same compressive strength are selected: traditional concrete, green concrete using 30% fly ash, and green concrete using 50% ground granulated blast-furnace slag (GGBFS). The results showed that using 50% GGBFS in the concrete mix is the most sustainable alternative in terms of CO2 emissions and embodied energy. Finally, it is concluded that using BIM–LCA–AHP integrated approach can help engineers to design computerized models that improve the sustainability of construction by evaluation based on sustainable objectives.

show abstract

The Role of Nano-Technology in Sustainable Construction: A Case Study of Using Nano Granite Waste Particles in Cement Mortar

Cited by 19 publications

References 14 publications

A study of the chemical effect of marble and granite slurry on green mortar compressive strength

A study of the chemical effect of marble and granite slurry on green mortar compressive strength

Granite Powder vs. Fly Ash for the Sustainable Production of Air-Cured Cementitious Mortars

Sustainable assessment of concrete structures using BIM–LCA–AHP integrated approach

Contact Info

Product

Resources

About