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Extended abstract: Development of a combined geological and hydrogeological discrete fracture network model to support safety assessment of a deep-bedrock spent nuclear fuel repository at Olkiluoto, Finland

机译:扩展摘要:开发联合地质和水文地质离散骨折网络模型,以支持芬兰奥尔古洛奥尔古洛的深层基岩核燃料库的安全评估

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摘要

Following ratification by the Finnish government in 2001, construction of the world’s first deep geological repository for spent nuclear fuel began in 2004 at Olkiluoto, an island off Finland’s south-west coast. The repository is situated at a depth of 400-450 m in the high-grade metamorphic bedrocks of the Fennoscandian shield, primarily composed of low-permeability Palaeoproterozoic gneisses and granites (Paulamaki et al., 2002). Construction and operation of the repository are fulfilled by Posiva, a nuclear waste management organisation. A key component of Posiva’s upcoming operational licence application is an updated site descriptive model (SDM), characterising the geological, hydrogeological and hydrogeochemical features of the island (Hartley et al., 2018). The updated model builds on several previous iterations of the Olkiluoto SDM (Hartley et al., 2010; Fox et al., 2012; Hartley et al., 2012; Hartley et al., 2017).
机译:批准芬兰政府于2001年批准后,2004年在芬兰西南海岸的岛屿奥克里诺在2004年开始建设了一顿核燃料。 储存库在Fennoscandand Shield的高档变质基岩中位于400-450米的深度,主要由低渗透性古品子古代古代片状和花岗岩组成(Paulamaki等,2002)。 核垃圾管理组织Posiva的建设和操作符合Posiva。 Posiva即将运营许可申请的一个关键组成部分是更新的网站描述模型(SDM),其特征是岛屿的地质,水文地质和水文地质化学特征(Hartley等,2018)。 更新的模型建立了Olkiluoto SDM的几个先前迭代(哈特利等,2010; Fox等,2012;哈特利等,2012;哈特利等,2017)。

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