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Investigation of the Hypothesis of a Seismogenic Origin for the Structural Damages to Buildings in the Archeological Zone Cologne with Engineering-Geophysical Models

利用工程地球物理模型研究科隆考古区建筑物结构损坏的震源假说

基本信息

批准号：
70387488
负责人：
Professor Dr. Klaus-Günter Hinzen
金额：
--
依托单位：
Arbeitsgruppe Erdbebengeologie und Archäoseismologie (Erdbebenstation Bensberg)
依托单位国家：
德国
项目类别：
Research Grants
财政年份：
2008
资助国家：
德国
起止时间：
2007-12-31 至 2011-12-31
项目状态：
已结题

来源：
https://gepris.dfg.de/gepris/projekt/70387488?language=en
关键词：
Investigation Hypothesis Seismogenic Origin Structural

项目摘要

The Cologne Praetorium can be located in the eastern part of the Roman inner city, today in the area of the so-called Archaeological Zone . It was the seat of the roman imperial governor for the province Germania Inferior or Germania secunda and the administrative centre for the whole province. The foundations and parts of the remaining walls show heavy structural damages, which most probably indicate a sudden damaging event. Within the framework of the “Regionale 2010”, a project supported by the state of Northrhine Westphalia and the City of Cologne, the Archaeological Zone Cologne is being developed and a large section of the Praetorium (previously inaccessible) and the overlaying Jewish Quarter will be excavated. The existing structures together with the newly excavated areas present an opportunity to construct engineering geophysical models to test the hypothesis that observed damages are of seismogenic origin. The hypothesis suggests secondary effects (liquefaction and lateral spreading) as the main cause. During the planned exploration and excavation operations the damages will be systematically documented in the frame of the proposed project. A seismotectonic model for the Lower Rhine Embayment, one of the most seismically active areas in Europe north of the Alps, will be the basis for calculation of synthetic strong motion seismograms for deterministic earthquake scenarios. The dynamic behavior of the subsurface of the Archaeological Zone and the reaction of the Praetorium building will be studied. The results will provide an important basis for earthquake hazard analysis of the larger Cologne area and the Lower Rhine Embayment as a whole.

科隆总督府位于罗马内城的东部，今天在所谓的考古区。它是罗马帝国总督的所在地，为下日耳曼尼亚省或日耳曼尼亚secunda和整个省的行政中心。其余墙壁的基础和部分显示出严重的结构损坏，这很可能表明发生了突然的破坏事件。在北莱茵-威斯特伐利亚州和科隆市支持的“2010地区”项目框架内，正在开发科隆考古区，并将挖掘大部分总督府（以前无法进入）和覆盖的犹太区。现有的结构以及新挖掘的地区提供了一个机会，以构建工程地球物理模型，以测试所观察到的损害是地震成因的假设。该假说认为次要效应（液化和横向扩展）是主要原因。在计划的勘探和挖掘作业期间，将在拟议项目的框架内系统地记录损坏情况。下莱茵河海湾是阿尔卑斯山以北欧洲地震最活跃的地区之一，其地震构造模型将成为计算确定性地震情景的合成强震地震图的基础。将研究考古区地下的动态行为和总督府建筑的反应。研究结果将为大科隆地区和整个莱茵河下游湾的地震危险性分析提供重要依据。