Atık mermer tozu ile zemin stabilizasyonunun mekanistik-amprik tasarım yöntemine göre incelenmesi

Marble waste has become a critical environmental issue worldwide due to the increase in the use of marble. Nowadays, where sustainability is essential, such wastes are used for various purposes in construction works. The main contribution to sustainability is the reuse of marble waste. In the experimental and computational study, the usability of three different waste marble powders as soil stabilization material was investigated. In the experimental part of the study, waste marble powders were added to the CL type of two different clay soils at 0-10-20-30 and 40% rates. The changes in the strength properties of the stabilized soil were monitored by Atterberg limits, standard Proctor compression, shear box, and California Bearing Ratio (CBR) tests. In the computational part, while the effects of stabilization made using CBR and AASHTO-93 methods on pavement thickness were determined, the contribution of marble powder improvement to the fatigue life of the pavement was investigated in compliance with the Mechanistic-Empirical design method with KENPAVE software. The test results showed that the strength properties of low plasticity clays stabilized with marble dust wastes improved. With CBR and AASHTO-93 methods, it has been calculated that this improvement can reduce the required pavement thickness, and hundreds of cubic meters of material can be saved in highway construction with a reduction in the number of SN. Calculations made by the Mechanistic-Empirical method also predict that the critical rutting life of the pavement can increase up to 86% on average with the stabilization of waste marble dust. © 2024 Gazi Universitesi. All rights reserved.