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Abdullahi Full Text Available This work presented an investigation of concrete developed from five fine aggregate sources HTT aktsiate valikud Minna, Niger state, Nigeria.
Tests conducted on the fine aggregate samples included specific gravity, sieve analysis, bulk density and moisture content. The concrete mix design was done using absolute volume method at various mix proportion ofand and water-cement ratios of 0.
The compressive strengths of concrete were determined at day curing age. Test results revealed that the specific gravities of the aggregate were between 2.
All the fine aggregate samples satisfied the overall and medium grading limits for natural fine aggregates. The coarse aggregate used fairly followed the grading limit for aggregate size of 20 to 5 mm. The compressive strength of the concrete obtained using the aggregate samples A, B, C, D, and Eall within the ranges of Statistical models were developed for the compressive strength of Kauplemine panga lahedate voimalustega as a function of water-cement ratio for various fine aggregate sources and mix proportions.
The models were found to have good predictive the capabilities of the compressive strength of concrete for given water-cement ratio. The properties of fine aggregates and the resulting concrete characteristics showed that all the fine aggregate samples are suitable to be used for concrete production. Olev Saveli Index Scriptorium Estoniae Disainiöö raames avati Arhitektuuri- ja Disainigaleriis näitus "Kokkupandavad asjad" ning kuulutati välja konkursi võitjad.
Peapreemia võitis läti disaineri Elina Bushmane kokkupandav teelaud, teise koha Jaana Päeva tekstiilist kott, kolmanda koha Ingrem Floreni käekott.
Ära märgiti Veiko Liisi kilepiima vutlar.