... Abstract The high-pressure cavern is located below the diversion tunnel, which will produce a large seepage force during the excavation process. Consider the effect of seepage field on the stress field with the seepage force, consider the effect of stress and damage on the seepage field...

... geology sedimentary rock natural gas storage geologist liquified natural gas (lng) geological subdiscipline reservoir characterization cavern underground storage cavern underground water-sealed storage cavern clastic rock rock type storage cavern environmental science 861 borehole...

... geologist risk management underground cavern geology excavation geological subdiscipline society iop publishing iop conf reservoir geomechanics powerhouse risk and uncertainty assessment cavern environmental science 861 underground powerhouse construction acceptance criteria...

... Abstract Vertical and horizontal water curtain holes can be effectively used to seal underground oil storage caverns. However, the density of hole spacing affects the water sealing effect of the water curtain system. Based on the basic theory of Darcy's law, this study established a three...

... Abstract To prevent stability risks and improve the optimal design capability for large underground caverns under the Engineering Procurement Construction (EPC) convention, an improved feedback analysis model is presented to adapt the integration of design and construction model for large...

... hydraulic fracturing geological subdiscipline mathematics of computing reservoir geomechanics geology reservoir characterization rock mechanic society iop publishing iop conf conference cavern microseismic international journal deformation underground space technology auxiliary...

... tectonics reservoir characterization cavern structural geology geological subdiscipline instability stability disturbance society iop publishing iop conf disturbance intensity integrity engineering shear strength environmental science 861 conference geologist reservoir geomechanics strength...

... Abstract Although domestic experimental devices can ascertain the basic rock mass parameters needed in the design process of a cavern to meet the needs of the underground storage project. It is hard to analyze and test the complex fluid-solid coupling state in the full-life-cycle process...

... Abstract The accuracy of the calculation results in seepage analysis is determined largely by the boundary conditions. The construction of underground caverns and reservoir impoundments will inevitably lead to a redistribution of the underground seepage fields and the change in groundwater...

... the loose zone to deepen and the stress of blots and cables to increase, thereby adversely affecting the stability of the cavern. deformation reservoir characterization underground powerhouse reservoir geomechanics excavation geology powerhouse tunnel environmental science 861 chinese...

..., the stability of the surge chamber dome has become one of the major challenges faced by the construction of Baihetan underground engineering. reservoir geomechanics stability cavern dome geological subdiscipline society iop publishing iop conf geology deformation environmental science 861...

... the potential risk. In a field case in Jintan, Jiangsu Province of China, the thermal response to gas injection-and-withdrawal process of the walls of Cavern L was explored. A Bonded-Block Model (BBM) based on a 3DEC platform is proposed in inverse simulation for the field case's cavity collapse process...

... Abstract A series of analyses have been carried out based on geological data uncovered during the investigation and construction of the large underground oil storage in rock cavern, including the geological causes of the joints, structure characteristics of the surrounding rock...

... 3 , and the tank will be set up in an extensive cavern at 650 m underground (the excavation volume is 343,000 m 3 , and the cavern diameter and height are 76 m and 78 m, respectively). Tens of thousands of ultra-sensitive photosensors will be installed on the wall of the tank. The potential...

... important subject (Fig. 3 right). Fig. 3 Issues for Practical Application 3. Rock Mechanics Installation Conditions 3.1 Fundamental Concept Resistance force against the stored pressure will be provided by ground pressure and shear strength, as shown in Fig. 3. The stability of the cavern under high inner...

...Optimization of the Excavation Design for Rock Caverns Using Artificial Neural Network W. Niea,b*, Z.Y. Zhaoa, M.K. Songb, H.M Chena and P.S. Muleyb a Nanyang Technological University, Singapore bHyundai Engineering & Construction Co. Ltd, Singapore * [email protected] (corresponding author s E...

... be accounted for using a probabilistic approach for assessment, and the results would provide a better insight of the areas suitable for cavern. 1. Introduction As Singapore has a land area of only 710km 2 , there is greater need to look into utilisation of underground space and this has become an integral...

...Stability Analysis and Construction of Large Underground Cavern in Anisotropic Rock Takayuki Moria, Makoto Nakajimaa*, Hisatoshi Matsukawaa, Hiroshi Fujiia, Takashi Megaa, Naotaka Takeshimab, Kazuki Nagaib and Taku Yamashitab a Kajima Corporation, Tokyo, Japan b Shikoku Electric Power Company Inc...

...Unlined Rock Caverns: Historical & Technical Evolutions of a Concept for Underground Storage of Hydrocarbons P. Vaskou Geostock, Rueil-Malmaison, France Abstract After clarifying the terminology of man-made caverns and the advantages of mined caverns compared to other storage types, the concept...

...Semmering Base Tunnel Large Caverns for Permanent and Temporary Use M. Proprenter iC consulenten ZT GesmbH, Vienna, Austria [email protected] Abstract The paper covers the construction and use of large caverns for temporary and permanent purposes on the example of the 27km long Semmering...