Latest technology of underground rock cavern excavation in Japan

Tezuka, Masanobu; Seoka, Tadahiko

doi:10.1016/s0886-7798(03)00039-7

Cited by 42 publications

(16 citation statements)

References 3 publications

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“…The environmental/ecological vulnerability in the depot site is classified into four grades according to environmental/ecological vulnerability indices (EVI) [27]: slight vulnerability (<2), mild vulnerability (2-3), medium vulnerability (3-4), and high vulnerability (4)(5). The indices are used to evaluate the influence of the petroleum storage depot on the local ecological environment.…”

Section: Environmental Ecological Vulnerabilitymentioning

confidence: 99%

“…The petroleum reservoir principle of water-sealed rock caverns states that petroleum may be safely stored in an underground cavern below the stable groundwater level [1]. After World War II, the Scandinavian Peninsula, South Korea, Japan, the United States, Germany, France, Saudi Arabia, and other countries and regions established groundwater-sealed petroleum reservoirs [2][3][4][5]. In some countries, the total oil reserves in contained groundwater caverns are in excess of tens of millions of cubic meters.…”

Section: Introductionmentioning

confidence: 99%

“…Rock mass stability and groundwater conditions are studied based on either the theory of continuous medium or discontinuous medium. Considering the anisotropy of the rock mass, the stability of the surrounding rock of the underground oil reservoir during excavation, support, pressurization, and commissioning were analyzed [5,[13][14][15]. Furthermore, the stability of underground water-sealed petroleum storage under two-dimensional and three-dimensional fluid-solid coupling was studied using numerical simulation [16,17].…”

Section: Introductionmentioning

confidence: 99%

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AHP-Ideal Point Model for Large Underground Petroleum Storage Site Selection: An Engineering Application

Xue

Qiu

et al. 2017

Sustainability

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Scientific site selection can significantly reduce construction risk and cost during construction of underground petroleum storage. Based on the analytic hierarchy process (AHP) theory and ideal point theory, a new site selection model for large underground petroleum storage is established in this paper. Nine indicators are selected as evaluation indices, including joint development, natural water-sealed condition, rock mass strength, in situ stress, environmental ecological vulnerability, regional stability, technical and economic conditions, topography, and meteorological conditions. Based on AHP theory, the weight of each evaluation index is determined. Secondly, the positive and negative ideal solutions of these evaluation indices are determined using ideal point theory. The ideal point evaluation function of each evaluation index is built to calculate the degree of closeness for the evaluation samples. Finally, the accuracy of the model is verified by using the model to evaluate the first underground petroleum storage project in China. The results show that the first six indicators are main controlling factors, and the sum of their weight is 88.3%. The result of the evaluation site level is good (II), which is suitable for construction. Moreover, the feasibility and accuracy of the evaluation criteria, and evaluation method is verified after cooperation with the power coefficient method and expert evaluation method. The research results can provide some references to the site selection of similar key projects.

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Section: Environmental Ecological Vulnerabilitymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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AHP-Ideal Point Model for Large Underground Petroleum Storage Site Selection: An Engineering Application

Xue

Qiu

et al. 2017

Sustainability

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“…This large-scale infrastructure allows extra rainwater to be stored in underground rock caverns and be pumped up in times of water stress (Chua 2012). As there are already similar rock cavern projects completed in Singapore and Japan (Nordmark 2002;Parker 2004;Tezuba and Seoka 2003), building more rock caverns for the dual-purpose of storm-water storage and water supply augmentation seems to be a technically feasible project. If constructed and put into operation, this new underground infrastructure will have significant long-term impacts on the integrated water resources system in Singapore.…”

Section: Introductionmentioning

confidence: 99%

A Novel Integrated Decision Support Tool for Sustainable Water Resources Management in Singapore: Synergies Between System Dynamics and Analytic Hierarchy Process

Poh

2014

Water Resour Manage

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“…Lindblom (1997) addressed rock stability by developing criteria to ascertain the full operation integrity of underground caverns. Tezuka and Seoka (2003) analyzed the stability of the surrounding rock masses of large-cross-section underground oil storage caverns in earthquake-prone Japan. Park et al (2005) carried out geophysical investigations and numerical analyses for the stability assessment of the first LPG storage terminal constructed underneath a lake in western Korea.…”

Section: Introductionmentioning

confidence: 99%

Stability analysis of underground oil storage caverns by an integrated numerical and microseismic monitoring approach

Tang

Wang

et al. 2016

Tunnelling and Underground Space Technology

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a b s t r a c tUnderground storage in unlined caverns is of great significance for storing energy resources. Construction of underground storage caverns is an extremely complex process, involving extensive multi-bench excavation and strong unloading. Excavation-induced damage of surrounding rock masses may lead to instability of underground storage caverns. The aim of this paper is to put forward a method by integrating numerical simulation and microseismic monitoring for evaluation of cavern stability. A novel numerical method called Continuous-Discontinuous Element Method (CDEM) is applied to simulate micro-cracks under excavation-induced unloading conditions. Meanwhile, a microseismic (MS) monitoring system is employed to monitor real-time MS events during construction of storage caverns. Numerical results are validated using the monitoring data from the MS monitoring system. The integrated method is proved to be successful in capturing micro-cracks in underground storage caverns. Local instability, potential unstable zones and micro-crack evolution are analyzed, and cracking mechanisms are also discussed.

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Latest technology of underground rock cavern excavation in Japan

Cited by 42 publications

References 3 publications

AHP-Ideal Point Model for Large Underground Petroleum Storage Site Selection: An Engineering Application

AHP-Ideal Point Model for Large Underground Petroleum Storage Site Selection: An Engineering Application

A Novel Integrated Decision Support Tool for Sustainable Water Resources Management in Singapore: Synergies Between System Dynamics and Analytic Hierarchy Process

Stability analysis of underground oil storage caverns by an integrated numerical and microseismic monitoring approach

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