MONITORING THE STABILITY OF THE ROCK MASS EXCAVATING OF UNDERGROUND PREMISES IN THE ORE BODY T1, JAMA BOR.
Autor: | Krstic, Sladana, Ljubojev, Milenko, Ljubojev, Vesna, Tasic, Dusan, Stojanovic, Zoran |
---|---|
Předmět: | |
Zdroj: | Proceedings of the International Multidisciplinary Scientific GeoConference SGEM; 2014, Vol. 2, p613-619, 7p |
Abstrakt: | Results of geotechnical observations and measurements that are continuously performed in mining are used to verify the projected geotechnical characteristics of the rock mass. In situ geotechnical measurements were performed on the excavated levels of the ore body T1 (K-110, K-130 and K-145). This work is part of project No. 33021 "Research and monitoring changes in the stress-strain state of rock mass in-situ around Undergrounds facilities to develop models with special reference to Krivelj tunnel River and Pine pit", which is funded by the Ministry of Education and Science Serbia. As part of the monitoring during the excavation of ore in ore bodies T1 and T2 from November 2013 to February 2014 the engineering-geological mapped underground excavations. The report was included in the mapping of underground excavation at elevations of K-110, K-130, K-145 in the ore body T1. During the mapping of underground excavation at levels K-110, K-130 and K-145 ore body T1 was carried out a detailed survey of mechanical discontinuities in the rock mass. Based on 186 measurements of elements falling on the levels of K-110, K-130 and K-145 was performed statistical analysis of ore body T1. Graphical representation of engineering-geological mapping levels within the ore bodies is presented engineering-geological plans. Results executive engineering geological mapping of rock mass underground dug the ore body T1 (statistical analysis of the spatial orientation of the measured rupture), are partially mapped for each level and a total of mapping levels of the ore body T1. At the level of K-110, statistical analysis of data sampled three systems of cracks: EP |
Databáze: | Complementary Index |
Externí odkaz: |
načítá se...