Aksoy, C.O., Onargan, T., 2010. The role of umbrella arch and face bolt as deformation preventing support system in preventing building damages. Tunneling and Underground Space Technology: An International Journal, 25(5): 553-559.
Grasso, P., Mahtab, M.A., Rabajoli, G., 1993. Consideration for design of shallow tunnels. International Conference on Underground Transportation Infrastructures, Toulon.
Harazaki, I., Anon, H., Matsuda, A., Aoki, T., Hakoishi, Y., 1998. Field observation of large supported by umbrella method: case of Maiko Tunnel in Kobe, Japan. Tunneling and Metropolises, Proceedings of the World Tunneling Congress, 1009-1014.
Hisatake, M., Ohno, S., 2008. Effects of pipe roof supports and the excavation method on the displacements above a tunnel face. Tunnelling and Underground Space Technology: An International Journal, 23(2): 120-127.
Hoek, E., 1998. Tunnel support in weak rock. Symposium of Sedimentary Rock Engineering, Taipei, Taiwan.
Itasca Consulting Group, 2011. Flac User's Guide, 5 edition.
John, M., Mattle, B., 2002. Design of tube umbrella. Magazine of the Czech Tunnelling Committee and Slovak Tunnelling Association, 3.
Jong, H.S., Yong, K.C., Oh, Y.K., Sang, D.L., 2008. Model testing for pipe-reinforced tunnel heading in a granular soil. Tunnelling and Underground Space Technology: An International Journal, 23(3): 241-250.
Lee, I.M., Lee, I.S., Nam, S.W., 2004. Effect of Seepage Force on Tunnel Face Stability Reinforced with multi-step Pipe Grouting. Tunnelling and Underground Space Technology: An International Journal, 19(6): 551-565.
Li, F., Niu, Z., 2012. Application of forepoling in construction of under-river tunnel. Railway Engineering: An International Journal, 17(8).
Morovatdar, A., Palassi, M., Ashtiani, R.S., 2020. Effect of pipe characteristics in umbrella arch method on controlling tunneling-induced settlements in soft grounds. Rock Mechanics and Geotechnical Engineering: An International Journal, 12(5): 984-1000.
Muraki, Y., 1997. The umbrella method in tunneling. Department of Civil and Environmental Engineering, MIT, Ph.D. Thesis.
Ockac, I., 2008. Control of surface settlements with umbrella arch method in second stage excavations of Istanbul Metro. Tunnelling and Underground Space Technology: An International Journal, 23(6): 674-681.
Oke, J., Vlachopoulos, N., Diederichs, M.S., 2016. Semi-analytical model for umbrella arch systems employed in squeezing ground conditions. Tunnelling and Underground Space Technology: An International Journal, 56: 136-156.
Oreste, P.P., Peila, D., 1998. A new theory for steel pipe umbrella design in tunneling. Proceedings of the World Tunnel Congress on Tunnels and Metropolises, Vol. 2.
Park, J., Cho, I., Lee, I., Lee, S., 2012. Tunnel reinforcement by using pressure-induced inflatable pipes methods. Geotechnical and Geoenvironmental Engineering: An International Journal, 138(12): 1483-1491.
Peila, D., 1994. A theoretical study of reinforcement influence on the stability of a tunnel face. Geotechnical and Geological Engineering: An International Journal, 12: 145-168.
Peila, D., Pelizza, S., 2003. Ground reinforcing and steel pipe umbrella system in tunneling, Kolymbas, D., (Ed.), Rational Tunneling: Advances in Geotechnical Engineering and Tunnelling, Logos Verlag, Berlin, Innsbruck.
Sakurai, S., 1983. Displacement measurements associated with the design of underground openings. Proceeding International Symposium, Field Measurements in Geomechanics, Zurich, Vol. 2: 1163-1178.
Sakurai, S., 1997. Lessons learned from field measurements in tunnelling. Tunneling and Underground Space Technology: An International Journal, 12(4): 453-460.
Schumacher, F.P., Kim, E., 2013. Modeling the pipe umbrella roof support system in a Western US underground coal mine. Journal of Rock Mechanics & Mining Sciences: An International Journal, 60: 114-124.
Song, K.I., Cho, G.C., Chang, S.B., Lee, I.M., 2013. Beam-spring structural analysis for the design of a tunnel pre-reinforcement support system. Journal of Rock Mechanics and Mining sciences, An International Journal, 59: 139-150.
Tunçdemir, H., Aksoy, C.O., Güçlü, E., Özer, S.C., 2012. Umbrella Arch and Forepoling Support Methods: A Comparison. ISRM International Symposium - EUROCK 2012, Stockholm, Sweden.
Volkmann, G.M., 2004. A contribution to the effect and behavior of pipe umbrella supports. Schubert, (ed.), Proceeding of 53rd Geomechanics Colloquy and EUROCK 2004, Salzburg, Austria.
Volkmann, G.M., Schubert, W., 2007. Geotechnical model for pipe umbrella supports in tunneling. Proceeding of the 33rd ITA-AITES World Tunneling Congress, Prague, Czech Republic, 755-760.
Volkmann, G.M., Schubert, W., 2010. A load and load transfer model for pipe umbrella support. EUROCK 2010, Rock Mechanics in Civil and Environmental Engineering, Lausanne, Switzerland.
Wang, H., Jia, J., 2008. Analytical method for mechanical behaviors of pipe roof reinforcement. International Conference on Information Management, Innovation Management and Industrial Engineering, Institute of Electrical and Electronics Engineers, 352-357.
Yoo, C., Shin, H.K., 2003. Deformation behavior of tunnel face reinforced with longitudinal pipes-laboratory and numerical investigation. Tunnelling and Underground Space Technology: An International Journal, 18(4): 303-319.
Yuan, X., Zhou, S., Gong, Q., 2013. Three-dimensional analysis of excavating face stability supported by pipe rook. Applied Mechanics and Materials: An International Journal, 275-277: 1257-1263.
Zhang, Z.Q., Li, H.Y., Liu, H.Y., Li G.J., Shi X.Q., 2014. Load transferring mechanism of pipe umbrella support in shallow-buried tunnels. Tunnelling and Underground Space Technology: An International Journal, 43: 213-221.
)