Pub Date : 2022-01-01DOI: 10.14382/epitoanyag-jsbcm.2022.31
S. A. Abdulsada, Ali I Al-Mosawi
{"title":"Corrosion behaviour and surface topography for steel plates used in automotive industry exposed to salty corrosive thermo-accelerated medium","authors":"S. A. Abdulsada, Ali I Al-Mosawi","doi":"10.14382/epitoanyag-jsbcm.2022.31","DOIUrl":"https://doi.org/10.14382/epitoanyag-jsbcm.2022.31","url":null,"abstract":"","PeriodicalId":11915,"journal":{"name":"Epitoanyag - Journal of Silicate Based and Composite Materials","volume":"12 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86295845","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-01-01DOI: 10.14382/epitoanyag-jsbcm.2022.5
Youssef Korichi, A. Merah, Med Mouldi Khenfer, Benharzallah Krobba
{"title":"Development a cement mortar based on dune sand used as an anti-carbonation coating of concrete","authors":"Youssef Korichi, A. Merah, Med Mouldi Khenfer, Benharzallah Krobba","doi":"10.14382/epitoanyag-jsbcm.2022.5","DOIUrl":"https://doi.org/10.14382/epitoanyag-jsbcm.2022.5","url":null,"abstract":"","PeriodicalId":11915,"journal":{"name":"Epitoanyag - Journal of Silicate Based and Composite Materials","volume":"20 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78349186","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-01-01DOI: 10.14382/epitoanyag-jsbcm.2022.20
G. Akeke, C. Nnaji, U. Udokpoh
The high cost of cement as a significant component of concrete has led to the high cost of concrete production in most developing countries. Because of its longevity and good benefit-to-cost ratio, blended cement has grown in popularity in developed countries. Rice husk ash (RHA) is a residue produced by the burning of rice husk that is abundant in rice mills. RHA has been proven as a good supplementary cementitious material for concrete production due to its low energy requirements, minimal greenhouse gas emissions during processing and service life, and strong pozzolanic reaction. Using Scheffe’s (4, 2) simplex-lattice design, a mathematical model was developed to optimise the compressive strength of RHA reinforced concrete in this research. RHA was used as the second component in concrete, along with water, cement, fine and coarse aggregates, at a partial replacement ratio of 20% in cement. The compressive strength of RHA concrete was determined using Scheffe’s Simplex technique for the various componential ratios as well as the control points that would be used to validate the Scheffe’s model. The model’s adequacy was assessed using the f-statistics test, the student’s t-test, and ANOVA at a 5% significance level. The statistical result shows a satisfactory correlation between the values produced from the developed Scheffe’s model and the control laboratory data. The maximum compressive strength of RHA concrete obtained was 40.75 N/mm 2 corresponding to a mix ratio of 0.475: 1.0: 2.75: 3.50 and the minimum compressive strength obtained was 7.41 N/mm 2 corresponding to a mix ratio of 0.47: 1.0: 2.5: 4.5 for water, binder (80% cement and 20% RHA), fine aggregate, and coarse aggregate, respectively. The ratio of the mix elements to a particular required compressive strength value may be calculated with a high degree of precision using the established Scheffe’s simplex model, while also giving the answer in less time by resolving trial mix challenges. cementitious materials; environmental pollution.
{"title":"Compressive strength optimisation of rice husk ash concrete using Scheffe’s mathematical model","authors":"G. Akeke, C. Nnaji, U. Udokpoh","doi":"10.14382/epitoanyag-jsbcm.2022.20","DOIUrl":"https://doi.org/10.14382/epitoanyag-jsbcm.2022.20","url":null,"abstract":"The high cost of cement as a significant component of concrete has led to the high cost of concrete production in most developing countries. Because of its longevity and good benefit-to-cost ratio, blended cement has grown in popularity in developed countries. Rice husk ash (RHA) is a residue produced by the burning of rice husk that is abundant in rice mills. RHA has been proven as a good supplementary cementitious material for concrete production due to its low energy requirements, minimal greenhouse gas emissions during processing and service life, and strong pozzolanic reaction. Using Scheffe’s (4, 2) simplex-lattice design, a mathematical model was developed to optimise the compressive strength of RHA reinforced concrete in this research. RHA was used as the second component in concrete, along with water, cement, fine and coarse aggregates, at a partial replacement ratio of 20% in cement. The compressive strength of RHA concrete was determined using Scheffe’s Simplex technique for the various componential ratios as well as the control points that would be used to validate the Scheffe’s model. The model’s adequacy was assessed using the f-statistics test, the student’s t-test, and ANOVA at a 5% significance level. The statistical result shows a satisfactory correlation between the values produced from the developed Scheffe’s model and the control laboratory data. The maximum compressive strength of RHA concrete obtained was 40.75 N/mm 2 corresponding to a mix ratio of 0.475: 1.0: 2.75: 3.50 and the minimum compressive strength obtained was 7.41 N/mm 2 corresponding to a mix ratio of 0.47: 1.0: 2.5: 4.5 for water, binder (80% cement and 20% RHA), fine aggregate, and coarse aggregate, respectively. The ratio of the mix elements to a particular required compressive strength value may be calculated with a high degree of precision using the established Scheffe’s simplex model, while also giving the answer in less time by resolving trial mix challenges. cementitious materials; environmental pollution.","PeriodicalId":11915,"journal":{"name":"Epitoanyag - Journal of Silicate Based and Composite Materials","volume":"40 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75986160","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-01-01DOI: 10.14382/epitoanyag-jsbcm.2022.14
M. Vasić
{"title":"Estimation of the drying behaviour for different clay raw materials – drying sensitivity techniques review","authors":"M. Vasić","doi":"10.14382/epitoanyag-jsbcm.2022.14","DOIUrl":"https://doi.org/10.14382/epitoanyag-jsbcm.2022.14","url":null,"abstract":"","PeriodicalId":11915,"journal":{"name":"Epitoanyag - Journal of Silicate Based and Composite Materials","volume":"18 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75225900","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-01-01DOI: 10.14382/epitoanyag-jsbcm.2022.24
L. Laczkó, Ilona Wojnárovitsné Hrapka, Ferenc Spránitz
{"title":"Effect of water/cement ratio on cement hydration","authors":"L. Laczkó, Ilona Wojnárovitsné Hrapka, Ferenc Spránitz","doi":"10.14382/epitoanyag-jsbcm.2022.24","DOIUrl":"https://doi.org/10.14382/epitoanyag-jsbcm.2022.24","url":null,"abstract":"","PeriodicalId":11915,"journal":{"name":"Epitoanyag - Journal of Silicate Based and Composite Materials","volume":"1 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83708837","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
This work aims to produce a sustainable self-compacting mortar (SCM), by replacing a part of cement with powders from waste materials such as glass and ceramic. Nine mixtures have been prepared, one as reference mixture and includes only ordinary portland cement, and eight containing different proportions of ceramic and glass powders (5, 15, 25 and 50%). In the fresh state, two tests were carried out: slump flow and flow time. In order to evaluate the physical and mechanical properties of SCM mixtures, compressive strength, flexural strength, ultrasonic pulse velocity (UPV) and water absorption were measured. The results showed that adding glass and ceramic powders until 25% improved the fresh properties of SCM. At hardened state, replacing cement by 5% of glass and ceramic powders (GP and CP) resulted in acceptable physical and mechanical properties.
{"title":"Some engineering properties of sustainable self-compacting mortar made with ceramic and glass powders","authors":"Aboubakeur Boukhelkhal, Hamdaoui Abderramane, Sebguig Belkacem","doi":"10.14382/epitoanyag-jsbcm.2022.4","DOIUrl":"https://doi.org/10.14382/epitoanyag-jsbcm.2022.4","url":null,"abstract":"This work aims to produce a sustainable self-compacting mortar (SCM), by replacing a part of cement with powders from waste materials such as glass and ceramic. Nine mixtures have been prepared, one as reference mixture and includes only ordinary portland cement, and eight containing different proportions of ceramic and glass powders (5, 15, 25 and 50%). In the fresh state, two tests were carried out: slump flow and flow time. In order to evaluate the physical and mechanical properties of SCM mixtures, compressive strength, flexural strength, ultrasonic pulse velocity (UPV) and water absorption were measured. The results showed that adding glass and ceramic powders until 25% improved the fresh properties of SCM. At hardened state, replacing cement by 5% of glass and ceramic powders (GP and CP) resulted in acceptable physical and mechanical properties.","PeriodicalId":11915,"journal":{"name":"Epitoanyag - Journal of Silicate Based and Composite Materials","volume":"21 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83716155","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-01-01DOI: 10.14382/epitoanyag-jsbcm.2022.10
Z. Laidani, Younes Ouldkhaoua, M. Sahraoui, B. Benabed
{"title":"Feasibility of marble powder and calcined bentonite in SCM as partial substitution of cement for sustainable production","authors":"Z. Laidani, Younes Ouldkhaoua, M. Sahraoui, B. Benabed","doi":"10.14382/epitoanyag-jsbcm.2022.10","DOIUrl":"https://doi.org/10.14382/epitoanyag-jsbcm.2022.10","url":null,"abstract":"","PeriodicalId":11915,"journal":{"name":"Epitoanyag - Journal of Silicate Based and Composite Materials","volume":"1 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88216336","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-01-01DOI: 10.14382/epitoanyag-jsbcm.2022.33
Hamed Nazarpour-Fard
{"title":"Composites of polyvinylpyrrolidone and polystyrene with rice husk ash as a bio and silica-rich material: thermal characteristics and water vapor absorption ability","authors":"Hamed Nazarpour-Fard","doi":"10.14382/epitoanyag-jsbcm.2022.33","DOIUrl":"https://doi.org/10.14382/epitoanyag-jsbcm.2022.33","url":null,"abstract":"","PeriodicalId":11915,"journal":{"name":"Epitoanyag - Journal of Silicate Based and Composite Materials","volume":"7 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86745515","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-01-01DOI: 10.14382/epitoanyag-jsbcm.2022.28
Ali I Al-Mosawi
{"title":"A novel conceptional approach for calculating the stability time related to converting the anticipated degradation from the curve of conductivity for flexible poly (vinyl chloride)","authors":"Ali I Al-Mosawi","doi":"10.14382/epitoanyag-jsbcm.2022.28","DOIUrl":"https://doi.org/10.14382/epitoanyag-jsbcm.2022.28","url":null,"abstract":"","PeriodicalId":11915,"journal":{"name":"Epitoanyag - Journal of Silicate Based and Composite Materials","volume":"68 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78573281","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-01-01DOI: 10.14382/epitoanyag-jsbcm.2022.22
I. C. Attah, R. K. Etim, D. U. Ekpo, I. N. Usanga
{"title":"Effectiveness of cement kiln dustsilicate based mixtures on plasticity and compaction performance of an expansive soil","authors":"I. C. Attah, R. K. Etim, D. U. Ekpo, I. N. Usanga","doi":"10.14382/epitoanyag-jsbcm.2022.22","DOIUrl":"https://doi.org/10.14382/epitoanyag-jsbcm.2022.22","url":null,"abstract":"","PeriodicalId":11915,"journal":{"name":"Epitoanyag - Journal of Silicate Based and Composite Materials","volume":"45 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80018791","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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