... tunnel high osmotic pressure hot water reservoir lining Study on Deep Underground Geometrical Model for Enhanced Geothermal System Based on Excavation Min Tanga, Hong Lia and Chun an Tanga* a Dalian University of Technology, Dalian, China * tca@mail.neu.edu.cn Abstract At present, along...

...Underground High-Pressure Storage System Using Mud Slurry Lining Yoshinobu NISHIMOTOa*, Masaharu TAKABATAKE a, Akihiro HISANO Masahiro YODAb and Hisashi MIYAMOTOc a Chigasaki Research Inst., R&D Dept,. J-Power, Japan b Social Environment Dept. JPBS CO., LTD., Japan c Sales Dept. TELNITE CO., LTD...

...Evaluation of Stresses in Tunnel Linings by Flat Jack Technique at Meuse/Haute-Marne Underground Research Laboratory Minh Ngoc Vu*, Jad Zghondi, Gilles Armand and Chi Cong Vu Agence Nationale pour la Gestion des Dechets Radioactifs, France * minh-ngoc.vu@andra.fr Abstract The French National...

.... Introduction Sprayed concrete technology has dramatically improved in terms of the use of advanced admixtures and application methods to give durable and high performance concrete. With this improvement in sprayed concrete quality, tunnel linings were constructed using permanent l fibre reinforced sprayed...

... Abstract In this paper, the forces acting on tunnel lining due to dry condition and groundwater pressures were studied. Firstly, the effect of the forces acting on tunnel lining under dry condition was studied numerically for the Sabzkouh tunnel as an actual case study. This tunnel is a deep...

... properties were mainly considered at the interface. In addition, the conventional design method, the allowable stress design for the tunnel lining, was reviewed with numerical results. Keywords: Sprayed Waterproofing Membrane, Contact Property, Tunnel, Numerical Modelling, Concrete Lining 1. Introduction...

... railway between Beijing and Zhangjiakou in China that is a very famous project all around the world is now under construction. Badaling station is at the middle of this railway line and is designed as an underground station. The transition zone between the running tunnel to Zhangjiakou direction...

... of lining structure on the mechanical behavior of lining is uncertain in many cases. Also, the inspection method for shield tunnels has not been established due to lack of comprehensive knowledge of critical defects on shield tunnels. In order to examine the above and establish maintenance method...

...-dimensional finite element analysis. The results indicate that the optimal invert geometry is an inverted arch-shaped concrete abutment, the optimal steel pipe shape is linear, and the most suitable construction procedure is as follows: the foot of the tunnel lining is excavated and filled...

... Abstract Huge earthquakes can pose serious risks even for rock tunnels, as evidenced by large earthquakes in the past. In a large earthquake in Japan in 2004, some tunnels suffered severe damages including collapse of their permanent lining, even though the tunnels were constructed in ordinary...

...8th Asian Rock Mechanics Symposium ARMS8 14-16 October 2014, Sapporo, Japan Ground Evaluation Method as Part of Secondary Lining Design for Kyogoku Power Plant Tailrace Tunnel K. Izumia*, H. Hoshia, T. Takahashi b a Kyogoku Project Office, Hokkaido Electric Power Co.,Inc. b Kyogoku Technology...

... Abstract Deformation during service stage is monitored by periodical inspection and countermeasures are performed as needed in road tunnel. Cracks over permanent lining and the heaving of road surface often occur, however, it is difficult to assess the development of such deformation features...

... Abstract Tunnels in Japan, which is especially constructed by the conventional tunneling method, often have voids behind the lining, that is, they have partial discontinuity between the lining and the ground. These defects may induce undesirable deformation and stress to the tunnel lining...

... lining are still few, and the design routine of this method based on the quantitative evaluation of reinforcement effects has not been established. In this paper, we studied the reinforcement effect of the FRP-PCM method on tunnel linings, by conducting numerical simulations of tunnel model...

... some of factors affecting calibration coefficient and steps of installation in soil and tunnel concrete lining, for this purpose more than 1200 elastic 3D analysis for various installation situations performed. The results show for pressure cell in soils, geometric factors and compaction quality...

... ABSTRACT Three-dimensional behavior of a cylindrical underground structure under an oblique incidence of seismic wave was theoretically analyzed. The surrounding ground and the lining are taken as homogeneous, isotropic, and linear elastic mediums and the seismic wave is assumed as a plane...

... cm and 15 cm concrete lining respectively. The steel reinforcement percentage is 1.5 % for both sections. It should be noted, for weak rocks, using the rock bolts is not usually helpful duo to the large plastic zone caused by excavation but the use of lattice girders for temporary support is very...

... on the requirements of the application. Wide use in shotcrete and segmental linings worldwide has now and again shown the importance of steel fibres in such applications. Establishing quality assurance of FTC needs to be implemented. For this, proper batching systems and methods need to be enforced in project sites...

... displacement dislocation Engineering maximum principal stress lining lining behavior Reservoir Characterization segmental tunnel lining behavior tehran subway stress distribution segmental lining stress concentration tunnel lining metals & mining earth pressure line 4 non...

... metals & mining Upstream Oil & Gas ground transportation Reservoir Characterization structural geology Barton lining particle velocity Earthquake underground structure coefficient support system rail transportation Engineering Rock mechanics dynamic loading loading rock...