1. U.S. Department of Transportation Federal Highway Administration (FHWA). (2009). Technical manual for design and construction of road tunnels civil elements.
2. Sharifzadeha, M., Kolivand, F., Ghorbani, M., and Yasrobi, S. (2013). “Design of sequential excavation method for large span urban tunnels in soft ground-Niayesh tunnel.” Tunnelling and Underground Space Technology, Vol. 35, No. 4, pp. 178–188, DOI: 10.1016/j.tust.2013.01.002.
3. Li, J., Tan, Z. S., Yu, Y., and Ni, L. S. (2011). “Research on construction procedure for shallow large-span tunnel undercrossing highway.” Rock & Soil Mechanics, Vol. 32, No. 9, pp. 531–2809. (in Chinese)
4. Pinto, F. and Whittle, A. J. (2014). “Ground movements due to shallow tunnels in soft ground: I. Analytical solutions.” Journal of Geotechnical and Geoenvironmental Engineering, Vol. 140, No. 4, DOI: 10.1061/(ASCE)GT.1943-5606.0000948.
5. Shi, C. H., Cao, C. Y., and Lei, M. F. (2017). “An analysis of the ground deformation caused by shield tunnel construction combining an elastic half-space model and stochastic medium theory.” KSCE Journal of Civil Engineering, Vol. 21, No. 5, pp. 1933–1944, DOI: 10.1007/s12205-016-0804-y.