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ASSESSING THE UNDERWORLD - AN INTEGRATED PERFORMANCE MODEL OF CITY INFRASTRUCTURES

评估地下世界 - 城市基础设施的综合性能模型

基本信息

批准号：
EP/K021699/1
负责人：
Christopher David Foss Rogers
金额：
$ 736.85万
依托单位：
University of Birmingham
依托单位国家：
英国
项目类别：
Research Grant
财政年份：
2013
资助国家：
英国
起止时间：
2013 至无数据
项目状态：
已结题

来源：
https://gtr.ukri.org/projects?ref=EP%2FK021699%2F1
关键词：
ASSESSING UNDERWORLD INTEGRATED PERFORMANCE MODEL

项目摘要

The surface urban transport infrastructures - our roads, cycle ways, pedestrian areas, tramways and railways - are supported by the ground, and hence the properties of the ground must control to a significant degree their structural performance. The utility services infrastructure - the pipes and cables that deliver utility services to our homes and which supports urban living - is usually buried beneath our urban streets, that is it lies below the surface transport infrastructure (usually roads and paved pedestrian areas). It follows that streetworks to install, replace, repair or maintain these utility service pipes or cables using traditional trench excavations will disrupt traffic and people movement, and will often significantly damage the surface transport infrastructure and the ground on which it bears.It is clear, therefore, that the ground and physical (i.e. utility service and surface transport) infrastructures exist according to a symbiotic relationship: intervene physically in one, and the others are almost inevitably affected in some way, either immediately or in the future. Moreover the physical condition of the pipes and cables, of the ground and of the overlying road structure, is consequently of crucial importance in determining the nature and severity of the impacts that streetworks cause. Assessing the Underworld (ATU) aims to use geophysical sensors deployed both on the surface and inside water pipes to determine remotely (that is, without excavation) the condition of these urban assets.ATU builds on the highly successful Mapping the Underworld (MTU) project funded by EPSRC's first IDEAS Factory (or sandpit) and supported by many industry partners. The MTU sandpit brought together a team that has grown to be acknowledged as international leaders in this field. ATU introduces leaders in climate change, infrastructure policy, engineering sustainability and pipeline systems to the MTU team to take the research into a new sphere of influence as part of a 25-year vision to make streetworks more sustainable.ATU proposes to develop the geophysical sensors created in MTU to look for different targets: indications that the buried pipes and cables are showing signs of degradation or failure, indications that the road structure is showing signs of degradation (e.g. cracking, delamination or wetting) and indications that the ground has properties different to unaltered ground (e.g. wetted or eroded by leaking pipes, loosened by local trench excavations, wetted by water ingress through cracked road structures). For example, a deteriorated (fractured, laterally displaced, corroded or holed) pipe will give a different response to the geophysical sensors than a pristine pipe, while wetting of the adjacent soil or voids created by local erosion due to leakage from a water-bearing pipe will result in a different ground response to unaltered natural soil or fill. Similarly a deteriorated road (with vertical cracks, or with a wetted foundation) will give a different response to intact, coherent bound layers sitting on a properly drained foundation.Taking the information provided by the geophysical sensors and combining it with records for the pipes, cables and roads, and introducing deterioration models for these physical infrastructures knowing their age and recorded condition (where this information is available), will allow a means of predicting how they will react if a trench is dug in a particular road. In some cases alternative construction techniques could avert serious damage (e.g. water pipe bursts, road structural failure requiring complete reconstruction) or injury (gas pipe busts). Making this information available will be achieved by creating a Decision Support System for streetworks engineers. Finally, the full impacts to the economy, society and environment of streetworks will be modelled in a sustainability assessment framework so that the wider impacts of the works are made clear.

城市地面交通基础设施--道路、自行车道、步行区、有轨电车和铁路--都是由地面支撑的，因此地面的特性必须在很大程度上控制其结构性能。公用事业基础设施-为我们的家庭提供公用事业服务并支持城市生活的管道和电缆-通常埋在我们的城市街道之下，也就是说，它位于地面交通基础设施（通常是道路和铺设的行人区）之下。因此，使用传统的沟渠挖掘来安装、更换、修理或维护这些公用事业服务管道或电缆的街道工程将扰乱交通和人员流动，并且往往会严重破坏地面运输基础设施及其承载的地面。（即公用事业服务和地面运输）基础设施根据共生关系存在：如果你对其中一个进行物理干预，那么其他人几乎不可避免地会以某种方式受到影响，无论是立即还是在未来。此外，管道和电缆、地面和上覆道路结构的物理状况因此在确定街道工程造成的影响的性质和严重程度方面至关重要。评估地下世界（ATU）旨在使用部署在地表和水管内部的地球物理传感器来远程（即不挖掘）确定这些城市资产的状况。ATU建立在由EPSRC的第一个IDEAS工厂（或沙坑）资助并得到许多行业合作伙伴支持的非常成功的地下世界测绘（MTU）项目的基础上。MTU沙坑汇集了一个团队，该团队已成长为该领域的国际领导者。ATU将气候变化、基础设施政策、工程可持续性和管道系统领域的领导者引入MTU团队，将研究带入新的影响力领域，作为25年愿景的一部分，使街道工程更具可持续性。ATU建议开发在MTU创建的地球物理传感器，以寻找不同的目标：表明埋地管道和电缆出现退化或故障迹象，表明道路结构出现退化迹象（例如开裂、分层或湿润）以及地面特性与未改变地面不同的迹象（例如被管道渗漏浸湿或侵蚀、被局部沟渠开挖松动、被通过开裂道路结构进水浸湿）。例如，一个恶化的（断裂，横向位移，腐蚀或穿孔）管道将给出一个不同的地球物理传感器的反应比一个原始的管道，而潮湿的邻近土壤或空隙所产生的局部侵蚀由于含水管道泄漏将导致不同的地面反应未改变的天然土壤或填充。同样，（垂直裂缝或湿地基）将对位于适当排水地基上的完整、连贯的结合层产生不同的反应。利用地球物理传感器提供的信息，并将其与管道、电缆和道路的记录相结合，并在了解其年龄和记录条件的情况下，为这些物理基础设施引入劣化模型（在可获得此信息的情况下），将允许预测如果在特定道路中挖沟，它们将如何反应的手段。在某些情况下，替代建筑技术可以避免严重的损害（例如水管爆裂、道路结构损坏需要彻底重建）或伤害（煤气管爆裂）。将通过为街道工程师创建一个决策支持系统来提供这些信息。最后，街道工程对经济、社会和环境的全面影响将在可持续性评估框架中进行建模，以便明确工程的更广泛影响。

项目成果

期刊论文数量（10）

专著数量（0）

科研奖励数量（0）

会议论文数量（0）

专利数量（0）

Remote Condition Assessment of Geotechnical Assets Using a New Low-power ERT Monitoring System

DOI：
10.3997/2214-4609.201602048
发表时间：
2016-09
期刊：
影响因子：
0
作者：
J. Chambers;P. Meldrum;P. Wilkinson;D. Gunn;S. Uhlemann;O. Kuras;R. Swift;C. Inauen;S. Butler
通讯作者：
J. Chambers;P. Meldrum;P. Wilkinson;D. Gunn;S. Uhlemann;O. Kuras;R. Swift;C. Inauen;S. Butler

Remote monitoring of near-surface soil moisture dynamics using a low-power autonomous resistivity imaging system.

使用低功率自主电阻率成像系统远程监测近地表土壤湿度动态。