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Hydrologic-hydraulic modeling for the dual drainage and flooding study of the Lawrence Avenue Underflow Sewer System
Torres Vazquez, Christian Oswaldo
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https://hdl.handle.net/2142/92688
Description
- Title
- Hydrologic-hydraulic modeling for the dual drainage and flooding study of the Lawrence Avenue Underflow Sewer System
- Author(s)
- Torres Vazquez, Christian Oswaldo
- Issue Date
- 2016-07-21
- Director of Research (if dissertation) or Advisor (if thesis)
- Garcia, Marcelo H.
- Department of Study
- Civil & Environmental Eng
- Discipline
- Civil Engineering
- Degree Granting Institution
- University of Illinois at Urbana-Champaign
- Degree Name
- M.S.
- Degree Level
- Thesis
- Keyword(s)
- Hydrologic Model
- Hydraulic Model
- Dual Drainage
- Urban flooding
- Dual drainage model (DDM)
- Lawrence Avenue Underflow Sewer System
- Deep tunnels
- Abstract
- Urban flooding is generally expected in cities where the urban development increases the impervious surface area which causes the runoff to exceeds the capacity of the drainage system. In the city of Chicago, the Lawrence Avenue Underflow Sewer System (LAUSS) is the first tunnel system built with the intention to capture and store sewage with the aim to prevent Combined Sewer Overflows (CSO). It is located at the north-eastern area of Cook County, IL, and serves an area of 31 Km². In this study a dual drainage model is implemented to this area using the DDM program with the desire to determine flooding areas and the hydraulic interaction between the surface and the sewer system under four precipitation scenarios. It is noteworthy the behavior of the tunnel as a reservoir and its performance under pressure for all the modeled precipitations. Furthermore, the inlets show a high efficiency to capture runoff, the largest water depths are produced at the end of the simulations for all the scenarios, and the number of flooded nodes is larger for the critical scenarios. Finally, water depths maps are obtained at the peak and end time for all the simulations, where four critical zones needing more attention, maintenance, and increment of the inlet capacity are identified. Of these four zones, two correspond to the areas where the flooded zones increase at the peak time, and the other two are associated with the actual increase of water depth in time.
- Graduation Semester
- 2016-08
- Type of Resource
- text
- Permalink
- http://hdl.handle.net/2142/92688
- Copyright and License Information
- Copyright 2016 Oswaldo Torres
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Graduate Dissertations and Theses at Illinois PRIMARY
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