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Optimization of rock mass support systems during deep excavations (CROSBI ID 557278)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Arbanas, Željko ; Grošić, Mirko ; Udovič, Dalibor ; Jagodnik, Vedran Optimization of rock mass support systems during deep excavations // Proceedings of the regional symposium of the International Society for Rock Mechanics, Eurock 2009, Rock Engineering in Difficult Ground Conditions - Soft Rock and Karst / Vrkljan, Ivan (ur.). Leiden: CRC Press ; A.A. Balkema Publishers, 2009. str. 427-433

Podaci o odgovornosti

Arbanas, Željko ; Grošić, Mirko ; Udovič, Dalibor ; Jagodnik, Vedran

engleski

Optimization of rock mass support systems during deep excavations

During excavations in the rock mass for constructions of roads and buildings in urban areas, the only parameter that can be predicted is the excavation slope. In urban areas excavations sometimes have to be made vertically with demanding support systems, which require strict technical construction. The deform-ability and strength properties of the rock mass are determined from geotechnical investigation and the use of the rock mass classification system. It is then possible to make the geotechnical model and perform the stabil-ity and stress-strain analyses. It is first assumed that the rock mass slope is unsupported during excavation. If a low initial factor of safety is obtained, the stability analysis should include a support system. The interactive design is applied throughout construction of the support system and includes extensive monitoring. A re-design of the excavation and additional support measures are required when monitoring imply on significant deviations of defined conditions.

rock mass; excavation; support; active design

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Podaci o prilogu

427-433.

2009.

objavljeno

Podaci o matičnoj publikaciji

Proceedings of the regional symposium of the International Society for Rock Mechanics, Eurock 2009, Rock Engineering in Difficult Ground Conditions - Soft Rock and Karst

Vrkljan, Ivan

Leiden: CRC Press ; A.A. Balkema Publishers

978-0-415-80481-3

Podaci o skupu

Regional symposium of the International Society for Rock Mechanics, Eurock 2009, Rock Engineering in Difficult Ground Conditions - Soft Rock and Karst

predavanje

29.10.2009-31.10.2009

Cavtat, Hrvatska; Dubrovnik, Hrvatska

Povezanost rada

Građevinarstvo