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首页> 外文期刊>Annales >Deviation of the highway n' 10 at Lisle et Pezou (Loir-et-Cher, France) : taking into account the geological and hydrogeological context for the management of the road
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Deviation of the highway n' 10 at Lisle et Pezou (Loir-et-Cher, France) : taking into account the geological and hydrogeological context for the management of the road

机译：Lisle et Pezou（法国卢瓦尔-谢尔省）的n“ 10号公路的偏离：考虑到公路管理的地质和水文地质环境

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— The deviation of the national highway n°10 between Lisle and Pezou in Loir-et Cher (France) participates at the continuity of service between Vend?me and Chartres. The work took place from 2004 to 2008 - opens to users in December 2008. The road bypasses the towns of Lisle and Pezou by the North West, and passes successively on colluvium of the Loir valley, the flint clay and the deposits of the Eocene on the plateau. These surface formations are topped by chalky-limestone bedrock dating from the Turonian known to be particularly karstified. Regular and critical geological hazards during project and eathworks periods, lead the DREAL Centre to initiate a general survey about geological and hydrogeological hazards of the road. The Laboratoire des Ponts et Chaussées de Blois (which belongs to the CETE Normandie Centre) did the work. Final report was sent to the management of interdepartmental roads direction northwest (DIR NO), specially for its operations center in Vend?me, which manages the infrastructure. The analysis, by the CETE, of various geotechnical and hydrogeological reports on the study area, shows that it presents an important structural fracturing which leads to flows of groundwater and surface reliefs. The road infrastructure, partly overlapping these structural discontinuities, thus cross several areas that may be favorable to geotechnical events such as subsidence, karstic collapses or slope failures. Following this analysis based on aerial photography and a systematic field survey, areas of specific hazards were identified and specific management recommendations have been defined.
机译：—卢瓦尔-谢尔省（法国），莱尔和佩祖之间10号国道的偏离是旺德姆和沙特尔之间服务的连续性。这项工作于2004年至2008年进行，并于2008年12月向用户开放。这条道路绕过西北的Lisle和Pezou镇，并相继通过了卢瓦尔河谷，uv石粘土和始新世的沉积高原。这些表面地层之上是白垩-石灰岩基岩，其历史可追溯到众所周知的喀斯特岩溶的土伦。在项目和食堂期间，经常发生和严重的地质灾害，导致DREAL中心启动了有关道路地质和水文地质灾害的总体调查。蓬特布瓦瓦桥和长廊实验室（属于CETE诺曼底中心）进行了这项工作。最终报告已发送给西北部部门间道路管理部门（DIR NO），专门用于其位于Vend？me的运营中心，该中心负责管理基础设施。 CETE对研究区域内各种岩土和水文地质报告的分析表明，它呈现出重要的构造裂缝，导致地下水流入和地表浮雕。道路基础设施部分重叠了这些结构上的不连续性，因此穿越了多个可能对岩土事件有利的区域，例如沉降，岩溶塌陷或斜坡破坏。根据航空摄影和系统的现场调查进行的分析之后，确定了特殊危害​​的区域并确定了具体的管理建议。

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