3Birger Jansson. Water and sewage in caverns and tunnels: thirty years experience in sweden. Underground space[J] , vol.4. No. 1.Pp47 - 51,1989.
4Lr.a.m.meskets, the dokhaven: an underground plant for sewage treatment in rotterdam, Underground space[J], vol.8 no. 1 1984 ,p18 - 23.
5F. medbo and f. loser. Subsurface location of a major water pollution control plant presently under construction in the oalo area. Norwegian hard rock tunneling[J]. Norwegian soil and reek engineering assoeiaton. Publication no. 1.55 - 60.
6Gsaetersmoen,consulting cngincer,Undergroud water treatment plant and reaervoirs in solo.Norwegian hard rock tunneling[J].Norwegian soil and rock engineering associaton,Publication no.1.81-82.
7K.garshol. Excavation, support and pre- grouting of tbm - driven sewer tunnel. Norweging tunelling technology[J]. Norwegian soil and rock engineering association. Publication No.2.21 - 28.
8K. garshol.Underground excavation and support of a major sewage.treatment plant for the aslo area.Norweging tunnelling technology [J].Norwegian soil rock engineering association.Publication No.2.45-49.
9Gunnar asting,consulting cngincer,Expericnces with pregrouting in sewage tunnels in the oslo area.Norweging tunnelling technology [J].Norwegian soil and rock engineering association Publication No.2.57-64.
10E.j.w.johansson&h.kuula. Thrce- dimensional back- analysis calculations of viiikinnaki underground sewage treatment plant in helsinki. International congress on rock mechanics[C], vol 2,597 -600, tokyo, japan, 1995.