Geogrid donatılı gevşek kum zemine oturan çok kenarlı yüzeysel temellerin deneysel analizi

Yıl 2014, Cilt: 30 Sayı: 1, 9 - 18, 01.02.2014

Burakbey Davarc Murat Örnek Yakup Türedi

Öz

Bu çalışmada , donatılı gevşek kum zemine oturan çok kenarlı yüzeysel temellerin taşıma gücü davranışı laboratuvar ortamında yapılan model deneylerle araştırılmıştır. Deneylerde temel elemanı olarak H, +, T ve kare kesitli model temeller, güçlendirme elemanı olarak da geogrid donatı kullanılmıştır. Toplam 64 adet deneyin yapıldığı çalışmada temel geometrisi (H, +, T ve kare kesitli), zemin türü (gevşek kum), geogrid donatı yerleşimi (ilk donatı derinliği, donatılar arası mesafe, donatı sayısı) gibi parametrelerin çok kenarlı yüzeysel temellere ait taşıma gücü karakteristikleri üzerindeki etkileri a raştırılmış ve göçme mekanizmaları tespit edilmiştir. Deney sonuçları, geogrid donatı ilavesinin gevşek kumun taşıma gücünü artırdığını göstermiştir.

Anahtar Kelimeler

Model deney, kum, geogrid donatı, çok kenarlı temel

Experimental analyses of the multi-edge footings rested on geogrid reinforced loose sand bed

Öz

In this study, the bearing capacity of multi - edge model footings rested on geogrid reinforced loose sand beds was investigated. H, +, T and square shaped model footings were used in the tests. Geogrid layers were used for reinforcement members. The effects of the parameters such as the footing geometry (H, +, T and the square shaped), s oil type (loose sand) and geogrid replacement configuration (the depth of the first geogrid, spacing between geogrids, geogrid numbers) on the bearing capacity characteristics and failure mechanism of multi - edge model footings rested on geogrid reinforced loose sand beds was examined with a total of 64 tests. Experimental results show that there is an increase in the bearing capacity of the loose sands with the inclusion of the geogrid reinforcement.

Anahtar Kelimeler

Model test, sand, geogrid, multi-edge footings

Kaynakça

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