Reuse of Aerated Autoclaved Concrete Waste as a New Material in Shallow Soil Stabilization

Year 2018, , 168 - 178, 10.07.2018

Mehmet Alpyürür Aykut Şenol

https://doi.org/10.29048/makufebed.429021

Abstract

Nowadays, the
autoclaved aerated concrete (AAC) is one of the most widely used construction
materials. Hence, there will be a huge amount of AAC waste in the near future.
In this research, an experimental research study within the scope of
investigating the potential use of autoclaved aerated concrete (AAC) waste in
the shallow soil stabilization was presented. Three types of subgrades that are
a high plasticity bentonite clay (CH), a low plasticity clay (CL) and a sand (SP) were used with the pulverized autoclaved aerated
concrete waste (PAACW). It was found that PAACW additive increased the
unconfined compression strength and CBR of the clay soils and the internal
friction angle of the sand. Also, addition of PAACW significantly decreased the
swelling potential and swelling pressure of CH.

Keywords

Soil improvement, demolition waste, autoclaved aerated concrete, clay, sand

Yüzeysel Zemin İyileştirmesinde Yeni Bir Malzeme Olarak Atık Gazbeton Kullanımı

Abstract

Günümüzde yaygın olarak kullanılan yapı
malzemelerinden biri olan gazbetonun yakın gelecekte inşaat yıkıntı atıklarından
biri olacağı açıktır. Bu araştırmada, atık gazbetonun zemin iyileştirmesinde
kullanılabilirliği araştırılmıştır. Gazbeton malzemesi, öğütülerek kullanılmış
ve farklı zemin tiplerine etkisini araştırmak amacı ile yüksek plastisiteli kil
olarak bir bentonit (CH), bir düşük plastisiteli kil zemin (CL) ve bir kum
zemin (SP) numuneleri ile karıştırılarak deneyler yapılmıştır. Öğütülmüş
gazbeton atığı (ÖGA) katkısı ile kil zeminlerin serbest basınç mukavemeti ve
CBR değerlerinin, kum zeminin ise kayma mukavemeti açısının arttığı
belirlenmiştir. Ayrıca CH numunesinin şişme basıncı ve şişme yüzdesinde önemli
derecede azalmalar tespit edilmiştir.

Keywords

Zemin iyileştirme, yıkıntı atığı, gazbeton, kil, kum

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