Abstract Deformation monitoring and structural reliability assessment are key components in modern conventional tunneling. The state-of-the-art design is usually based on displacement measurements of geodetic targets using total stations paired with pointwise geotechnical sensors inside the tunnel lining. In recent years, distributed fiber optic sensing (DFOS) has become more popular tunneling ...

In the mining process of an underground coal mine, dynamic load often causes great damage to roadway and affects normal mine. this paper, deformation surrounding rocks under static different disturbance intensities is studied by numerical simulation. The results show that same condition, greater strength is, more obvious roof displacement subsidence is. With increase in propagation distance, am...

This paper presents an empirical design of the excavation method and support system tunnel 1 Sigli-Aceh toll road, Indonesia, based on rock mass quality Rock Mass Rating (RMR) Japan Society Civil Engineers (JSCE). The results showed that route consisted fair to good calcarenite interlayered by sandstone D II C categories RMR JSCE. Based RMR, recommended for section having is full-face, top head...