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- MakaleYalnız künye2011Investigation of Usability of Basaltic Pumice Aggregate At Prefabricated Structure Light-Weight Concrete Components
Gökce, H. Suleyman; Simsek, Osman
At prefabrication, concrete which is 30 MPa and more compressive strength is generally used in the production of structure components such as colon, beam etc. In new generation productions, expected property of the components is not only compressive strength, but also tensile splitting strength, bond strength and lightness which provides advantage on movement and molding. In this study, the engineering properties of the concrete prepared by CEM I 42.5 R type cement by using pumice and normal aggregate were investigated On determination of compressive strength 100x200 mm sized cylinder sample, on determination of tensile splitting and bond strength 150x150x150 mm sized cube sample and O12 ribbed steel bar was used. It is found that light-weight concrete (LC) which was prepared with pumice aggregate is 30% lighter than normal concrete (NC) prepared with normal aggregate and at equal strength. According to the NC, the LC was obtained by 48% less tensile splitting strength and 15% less bond strength.
- MakaleYalnız künye2010Effect of Alternative Expanded Perlite Using on Properties of Raw Perlite Aggregated Light-Weight Concrete
Gökçe, H. Suleyman; Simsek, Osman; Durmus, Gokhan; Demir, Ilhami
Perlite is a natural building materials contribute to global warming positive thanks to its isolation and lightness characteristics as concrete aggregate with usage of in construction sector. In research results, about %74 of world perlite reserves was determined to be in Turkey. It is thought that energy of fairly hard obtained will provide more efficient usage thanks to efficient usage of the natural reserves. Such approaches will provide to reduce of environment pollution in the usage of energy. In this study, with different characteristic usability of expanded perlite aggregate was researched in raw perlite aggregated light weight concrete. 7 different mixtures were prepared in volume at 10% ratio by using 3 different expanded perlite aggregate instead of raw perlite aggregate. With prepared light weight concrete mixtures 100x100x100 mm sized cube samples were produced. 28 days compressive strength, unit volume weight and water absorption ratio of these sample were researched. As a result, with suitable characteristic usage of expanded perlite aggregate was understood to be effective on the mechanical and physical properties of perlite aggregated light weight concrete.
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