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Proceedings of the Institution of Civil Engineers-Construction Materials最新文献

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Modelling the early strength of alkali-activated cement composites containing palm oil fuel ash 模拟含有棕榈油燃料灰的碱活化水泥复合材料的早期强度
IF 1.5
Proceedings of the Institution of Civil Engineers-Construction Materials Pub Date : 2019-05-10 DOI: 10.1680/JCOMA.16.00052
B. Salami, M. Johari, Z. Ahmad, T. Owolabi, M. Maslehuddin, S. Olatunji
{"title":"Modelling the early strength of alkali-activated cement composites containing palm oil fuel ash","authors":"B. Salami, M. Johari, Z. Ahmad, T. Owolabi, M. Maslehuddin, S. Olatunji","doi":"10.1680/JCOMA.16.00052","DOIUrl":"https://doi.org/10.1680/JCOMA.16.00052","url":null,"abstract":"Palm oil fuel ash (Pofa) and polyvinyl alcohol fibres were used to make an alkali-activated cementitious composite mortar, which was then tested. Based on the test results, a support vector regression model was developed to estimate the effect of the alkaline activator/Pofa ratio on early compressive strength at different added water contents. The results from the model show that the mortar strength increased as the sodium silicate+sodium hydroxide/Pofa ratio increased up to an optimum, after which the strength declined considerably. The sodium hydroxide molarity and added water were also found to have a significant effect on strength. Excellent agreement was found between the model results and test results. The precision and accuracy of the developed model show its potential for reducing the challenges of acquiring experimental data.","PeriodicalId":51787,"journal":{"name":"Proceedings of the Institution of Civil Engineers-Construction Materials","volume":"26 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2019-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73999228","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}
引用次数: 4
Briefing: Grand Théâtre de Rabat, Morocco – a case study 简报:摩洛哥Grand thth<s:1> tre de Rabat -个案研究
IF 1.5
Proceedings of the Institution of Civil Engineers-Construction Materials Pub Date : 2019-05-10 DOI: 10.1680/JCOMA.18.00034
A. Watts, Ross Kunchev
{"title":"Briefing: Grand Théâtre de Rabat, Morocco – a case study","authors":"A. Watts, Ross Kunchev","doi":"10.1680/JCOMA.18.00034","DOIUrl":"https://doi.org/10.1680/JCOMA.18.00034","url":null,"abstract":"The Grand Theâtre de Rabat is part of a programme of Moroccan cultural development. Given the large number of glass-fibre-reinforced concrete panels used for the project in different sizes and conf...","PeriodicalId":51787,"journal":{"name":"Proceedings of the Institution of Civil Engineers-Construction Materials","volume":"73 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2019-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86390353","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}
引用次数: 1
Effects of hydrated lime on mechanical behaviour of asphalt concrete at nanoscale 水合石灰对纳米级沥青混凝土力学性能的影响
IF 1.5
Proceedings of the Institution of Civil Engineers-Construction Materials Pub Date : 2019-03-29 DOI: 10.1680/JCOMA.17.00053
S. Barbhuiya, Benjamin Caracciolo
{"title":"Effects of hydrated lime on mechanical behaviour of asphalt concrete at nanoscale","authors":"S. Barbhuiya, Benjamin Caracciolo","doi":"10.1680/JCOMA.17.00053","DOIUrl":"https://doi.org/10.1680/JCOMA.17.00053","url":null,"abstract":"Asphalt concrete (AC) is a mix of mineral aggregates and natural sand held together with a binder of bitumen. This paper presents the effects of adding hydrated lime (HL) to AC on the nanoscaled me...","PeriodicalId":51787,"journal":{"name":"Proceedings of the Institution of Civil Engineers-Construction Materials","volume":"108 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2019-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84764205","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}
引用次数: 2
Improvement of repair mortars using multi-walled carbon nanotubes 多壁碳纳米管修补砂浆的改进
IF 1.5
Proceedings of the Institution of Civil Engineers-Construction Materials Pub Date : 2019-03-29 DOI: 10.1680/JCOMA.16.00049
M. Medeiros, Francielle Dranka, D. Souza, R. A. Medeiros-Junior
{"title":"Improvement of repair mortars using multi-walled carbon nanotubes","authors":"M. Medeiros, Francielle Dranka, D. Souza, R. A. Medeiros-Junior","doi":"10.1680/JCOMA.16.00049","DOIUrl":"https://doi.org/10.1680/JCOMA.16.00049","url":null,"abstract":"The research reported in this paper focused on the improvement of repair mortars using multi-walled carbon nanotubes. Compressive strength, squeeze flow and flow-table tests were performed to assess the effects of incorporation of nanotubes on the rheological and strength properties of mortars. A reference mortar and five mortars with nanotubes were made, with nanotubes sourced from two different manufacturers. It was found that the cementitious composites were stiffer with higher nanotube content and that no more than 0·3% should be used to ensure mortar fluidity. Regarding the compressive strength, the results indicated that 0·3 and 0·4% of nanotubes increased the strength by 22 and 27%, respectively. However, 0·5% made the mortar difficult to mix and did not result in increased strength.","PeriodicalId":51787,"journal":{"name":"Proceedings of the Institution of Civil Engineers-Construction Materials","volume":"8 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2019-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85702657","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}
引用次数: 3
Microstructure and physical properties of nano charcoal ash as binder 纳米炭灰分作为粘结剂的微观结构和物理性能
IF 1.5
Proceedings of the Institution of Civil Engineers-Construction Materials Pub Date : 2019-03-29 DOI: 10.1680/JCOMA.16.00054
S. N. A. Jeffry, R. Jaya, N. Hassan, J. Mirza, Mohd Ibrahim Mohd Yusak
{"title":"Microstructure and physical properties of nano charcoal ash as binder","authors":"S. N. A. Jeffry, R. Jaya, N. Hassan, J. Mirza, Mohd Ibrahim Mohd Yusak","doi":"10.1680/JCOMA.16.00054","DOIUrl":"https://doi.org/10.1680/JCOMA.16.00054","url":null,"abstract":"Waste coconut shell (CS) was used to produce nano charcoal ash (NCA) as a potential modifier material in an asphalt binder. This study focused on the microstructural and physical properties of NCA....","PeriodicalId":51787,"journal":{"name":"Proceedings of the Institution of Civil Engineers-Construction Materials","volume":"30 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2019-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74152401","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}
引用次数: 8
Nanosilica-added concrete: strength and its correlation with time-dependent properties 纳米硅掺入混凝土:强度及其与时间相关特性的关系
IF 1.5
Proceedings of the Institution of Civil Engineers-Construction Materials Pub Date : 2019-03-29 DOI: 10.1680/JCOMA.17.00031
L. Varghese, V. V. L. K. Rao, L. Parameswaran
{"title":"Nanosilica-added concrete: strength and its correlation with time-dependent properties","authors":"L. Varghese, V. V. L. K. Rao, L. Parameswaran","doi":"10.1680/JCOMA.17.00031","DOIUrl":"https://doi.org/10.1680/JCOMA.17.00031","url":null,"abstract":"This paper presents results of an experimental investigation on fresh and hardened properties of high-performance concrete (HPC) containing nanosilica (nS), and a comparison with HPC containing mic...","PeriodicalId":51787,"journal":{"name":"Proceedings of the Institution of Civil Engineers-Construction Materials","volume":"67 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2019-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81850997","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}
引用次数: 24
Nanomaterials in construction – what is being used, and where? 建筑中的纳米材料——正在使用什么，在哪里?
IF 1.5
Proceedings of the Institution of Civil Engineers-Construction Materials Pub Date : 2019-03-29 DOI: 10.1680/JCOMA.16.00011
Wendy Jones, A. Gibb, C. Goodier, P. Bust, M. Song, Jie Jin
{"title":"Nanomaterials in construction – what is being used, and where?","authors":"Wendy Jones, A. Gibb, C. Goodier, P. Bust, M. Song, Jie Jin","doi":"10.1680/JCOMA.16.00011","DOIUrl":"https://doi.org/10.1680/JCOMA.16.00011","url":null,"abstract":"Identifying where nanomaterials are present in construction materials is challenging. Academic literature reports what nanotechnology can offer construction, but this can differ from the reality of...","PeriodicalId":51787,"journal":{"name":"Proceedings of the Institution of Civil Engineers-Construction Materials","volume":"4 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2019-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87224888","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}
引用次数: 32
Nanoscale mechanical properties of cement paste reinforced with short carbon nanotubes 短碳纳米管增强水泥浆体的纳米力学性能
IF 1.5
Proceedings of the Institution of Civil Engineers-Construction Materials Pub Date : 2019-03-29 DOI: 10.1680/JCOMA.17.00025
S. Barbhuiya, PengLoy Chow
{"title":"Nanoscale mechanical properties of cement paste reinforced with short carbon nanotubes","authors":"S. Barbhuiya, PengLoy Chow","doi":"10.1680/JCOMA.17.00025","DOIUrl":"https://doi.org/10.1680/JCOMA.17.00025","url":null,"abstract":"This paper summarises an investigation into the behaviour of cement paste reinforced with 0·30% short multi-walled carbon nanotubes. Nanoindentation tests indicated that the addition of short nanot...","PeriodicalId":51787,"journal":{"name":"Proceedings of the Institution of Civil Engineers-Construction Materials","volume":"73 2 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2019-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83681067","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}
引用次数: 4
Effect of magnetite nanoparticles (ferroferric oxide) on discrete concrete properties 磁铁矿纳米颗粒(氧化铁)对混凝土离散性能的影响
IF 1.5
Proceedings of the Institution of Civil Engineers-Construction Materials Pub Date : 2019-03-29 DOI: 10.1680/JCOMA.17.00055
I. Mansouri, M. Nejat, S. Shahbazi, A. Karami
{"title":"Effect of magnetite nanoparticles (ferroferric oxide) on discrete concrete properties","authors":"I. Mansouri, M. Nejat, S. Shahbazi, A. Karami","doi":"10.1680/JCOMA.17.00055","DOIUrl":"https://doi.org/10.1680/JCOMA.17.00055","url":null,"abstract":"Many methods have been investigated to improve the properties of concrete. One such method involves using nanomaterials as a partial replacement of cement. The objective of the work reported in thi...","PeriodicalId":51787,"journal":{"name":"Proceedings of the Institution of Civil Engineers-Construction Materials","volume":"126 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2019-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77318238","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}
引用次数: 11
Construction Materials: Referees 2020 建筑材料:推荐人2020
IF 1.5
Proceedings of the Institution of Civil Engineers-Construction Materials Pub Date : 2019-02-01 DOI: 10.1680/coma.2011.164.1.54
{"title":"Construction Materials: Referees 2020","authors":"","doi":"10.1680/coma.2011.164.1.54","DOIUrl":"https://doi.org/10.1680/coma.2011.164.1.54","url":null,"abstract":"","PeriodicalId":51787,"journal":{"name":"Proceedings of the Institution of Civil Engineers-Construction Materials","volume":"1 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2019-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82222979","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}
引用次数: 0
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