Behnaz Dibavar
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View article: Predicting the strength, density, and porosity of rocks from roll crusher tests
Predicting the strength, density, and porosity of rocks from roll crusher tests Open
The density, porosity, and strength of rocks are fundamental in the design of geo-engineering projects. Determining these properties requires the preparation of smooth core samples, which is usually impossible for soft rocks. Besides, only…
View article: Performance prediction of roadheaders used in coal mines from the needle penetration index and the schmidt hammer value
Performance prediction of roadheaders used in coal mines from the needle penetration index and the schmidt hammer value Open
Coal mine galleries and construction tunnels are commonly excavated using roadheaders. Estimating the performance of roadheaders is crucial for planning and cost estimation when planning tunnel or tunnel projects. The aim of this study is …
View article: Evaluating machine utilization times for roadheaders used in coal mines: Regression and artificial neural network analyses
Evaluating machine utilization times for roadheaders used in coal mines: Regression and artificial neural network analyses Open
Roadheaders are extensively utilized for tunnel heading rock engineering applications all over the world. To create a work plan and calculate costs, it is critical to forecast roadheader performance as precisely as possible. Machine utiliz…
View article: Statistical and Numerical Study of Chipping and Cracking in Segmental Lining
Statistical and Numerical Study of Chipping and Cracking in Segmental Lining Open
Some of the most frequent damages of concrete segments in shield tunnels are chipping and cracking, which are followed by degradation of lining system. In this paper, these types of damages are studied in four subway and two water conveyan…
View article: 3D Numerical Investigation of Ground Settlements Induced by Construction of Istanbul Twin Metro Tunnels with Special Focus on Tunnel Spacing
3D Numerical Investigation of Ground Settlements Induced by Construction of Istanbul Twin Metro Tunnels with Special Focus on Tunnel Spacing Open
One of the most important considerations of tunneling in urban areas is controlling the amount of surface settlement that occurs during construction stages. The goal of this paper is to investigate the effect of spacing of Istanbul Twin Me…