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Moving underground for urban regeneration – Design challenges and cost assessment for the proposed undergrounding of Poseidonos av.
IOP Conference Series: Earth and Environmental Science Pub Date : 2021-04-23 , DOI: 10.1088/1755-1315/703/1/012023
N Poulidi 1 , A Benardos 2
Affiliation  

The evolution in underground construction has led to the development of many large-scale underground projects in which essential infrastructure are placed, and though this facilitating the preservation or even the reclamation of valuable surface space. A part of these underground structures is the subsurface transformation of road networks, aiming either at the better traffic regulation, or at the rehabilitation of the surface urban setting. However, special design requirements are needed along with the accurate costing of the proposed solution that would finally assess the feasibility of the project. The paper deals with the proposed underground relocation of a section of the Poseidonos av., a major coastal highway in Athens, as part of the greater urban regeneration that is going to take place in the Hellinikon area. The design of the 1.47 km underground section is proposed to be implemented as a cut-and-cover top down development that will inflict minimal traffic intervention during construction. Also, all proposed surface arrangements and configurations are presented, designed to ensure efficient transit to all users of the road and the surface area. Finally, the design details are used to draw accurate assessments of the required cost and time of the project that will completely transform the area and actually further boost the integration of the Hellinikon development project in the surrounding area.



中文翻译:

为城市更新而移动地下——Poseidonos av 拟建地下的设计挑战和成本评估。

地下建筑的发展导致了许多大型地下项目的发展,其中放置了重要的基础设施,尽管这有助于保护甚至回收宝贵的地表空间。这些地下结构的一部分是道路网络的地下改造,旨在更好地调节交通,或恢复地表城市环境。但是,需要特殊的设计要求以及最终评估项目可行性的拟议解决方案的准确成本计算。该文件涉及拟对雅典主要沿海公路波塞多诺斯大道(Poseidonos av.)的一段进行地下搬迁,作为将在赫利尼康地区进行的更大城市更新的一部分。1.的设计。47 公里的地下部分拟实施为明挖覆盖的自上而下开发,在施工期间对交通的干预最小。此外,还提出了所有建议的路面布置和配置,旨在确保有效地向道路和路面区域的所有用户过渡。最后,设计细节用于对项目所需的成本和时间进行准确评估,这将彻底改变该地区,并实际上进一步促进赫利尼康开发项目与周边地区的整合。旨在确保向道路和地面区域的所有用户高效运输。最后,设计细节用于对项目所需的成本和时间进行准确评估,这将彻底改变该地区,并实际上进一步促进赫利尼康开发项目与周边地区的整合。旨在确保向道路和地面区域的所有用户高效运输。最后,设计细节用于对项目所需的成本和时间进行准确评估,这将彻底改变该地区,并实际上进一步促进赫利尼康开发项目与周边地区的整合。

更新日期:2021-04-23
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