Guia docente 2023_24 Escuela de Ingeniería de Minas y Energía

Grado en Ingeniería de los Recursos Mineros y Energéticos

Contents

Topic	Sub-topic
The design of underground works.	Introduction Applications of underground works
Ground characterization	Characterization of rock masses in the field Mechanical behavior of the rocks Characterization and behavior of discontinuities Properties of the rock massif (Geometric Classifications) Natural tensions of the ground
Holding technology	Metal frames. Description and operation of rigid and articulated metal frames. Description, operation and placement of the sliding frames. Holding technologies. Elements of a holding system. Systems of adhesion holding- (cement, resin). Friction holding systems (punctual and distributed). Valuation of the suitability of the ballooning in different conditions. Use of gunite and projected concrete. Use in mining. Characteristic parameters of the concrete. Components of the projected concrete and dosages. Placement: Gunite in dry and wet way.
Undeground work design. Holding system.	General formulation of the excavation problem. Design based on geomecanic classifications. Analysis of tensions in rock masses Convergence convergence method Analysis of the stability of wedges in excavations New Austrian Method
Ground technologies	Injections Grouting Ground freezing
Classification of the ground following its mechanical excavability level.	Excavation, perforability and blasting rates
Tunnels desing technologies	Roadheader TBMs (Topos and shields) Advance drilling and blasting (Jumbos) Mechancial precut Traditional methods
Safety into underground works during construction	Basic aspects Legislation Appearances applied