{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["12(21)"],"submitter":["Solak AM"],"pubmed_abstract":["This work presents five different methods for quantifying the segregation phenomenon in lightweight aggregate concretes (LWAC). The use of LWACs allows greater design flexibility and substantial cost savings, and has a positive impact on the energy consumption of a building. However, these materials are susceptible to aggregate segregation, which causes an irregular distribution of the lightweight aggregates in the mixture and may affect the concrete properties. To quantify this critical process, a new method based on image analysis is proposed and its results are compared to the well-established methods of density and ultrasonic pulse velocity measurement. The results show that the ultrasonic test method presents a lower accuracy than the other studied methods, although it is a nondestructive test, easy to perform, and does not need material characterization. The new methodology via image analysis has a strong correlation with the other methods, it considers information from the complete section of the samples, and it does not need the horizontal cut of the specimens or material characterization."],"journal":["Materials (Basel, Switzerland)"],"pagination":["E3642"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC6862299"],"repository":["biostudies-literature"],"pubmed_title":["Proposing a New Method Based on Image Analysis to Estimate the Segregation Index of Lightweight Aggregate Concretes."],"pmcid":["PMC6862299"],"pubmed_authors":["Baeza-Brotons F","Tenza-Abril AJ","Benavente D","Solak AM"],"additional_accession":[]},"is_claimable":false,"name":"Proposing a New Method Based on Image Analysis to Estimate the Segregation Index of Lightweight Aggregate Concretes.","description":"This work presents five different methods for quantifying the segregation phenomenon in lightweight aggregate concretes (LWAC). The use of LWACs allows greater design flexibility and substantial cost savings, and has a positive impact on the energy consumption of a building. However, these materials are susceptible to aggregate segregation, which causes an irregular distribution of the lightweight aggregates in the mixture and may affect the concrete properties. To quantify this critical process, a new method based on image analysis is proposed and its results are compared to the well-established methods of density and ultrasonic pulse velocity measurement. The results show that the ultrasonic test method presents a lower accuracy than the other studied methods, although it is a nondestructive test, easy to perform, and does not need material characterization. The new methodology via image analysis has a strong correlation with the other methods, it considers information from the complete section of the samples, and it does not need the horizontal cut of the specimens or material characterization.","dates":{"release":"2019-01-01T00:00:00Z","publication":"2019 Nov","modification":"2024-11-21T07:27:14.838Z","creation":"2020-05-21T21:08:36Z"},"accession":"S-EPMC6862299","cross_references":{"pubmed":["31694271"],"doi":["10.3390/ma12213642"]}}