Hydrologic and Hydraulic Design Methods

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Permeable Pavements Task Committee

Abstract: Computational methods for hydrologic analysis, hydraulic functions, and treatment capacity of permeable pavements vary depending on the complexity of the design and level of detail in modeling the system properties. Chapter 1 presents permeable pavement systems designed to achieve a wide range of stormwater management design objectives including groundwater recharge, water quality, and volume and peak flow management. Practitioners use methods and models that range from generic infiltration systems to complex structures that address specific design objectives such as flow control or targeted pollutant removal. A number of ASCE publications cover the hydrologic response of innovative practices such as permeable pavement in detail (ASCE 1992). This chapter does not direct the reader to use specific computational methods, but instead summarizes significant considerations required in computations for permeable pavement designs. The Low Impact Development (LID) Computational Methods Task Committee of the UWRRC/EWRI/ASCE, a sister task committee to the permeable pavements committee, continues to report on tools available for LID computations and provide application guidance.

Subject Headings: Pavement design | Computing in civil engineering | Hydraulic design | Pavement condition | Groundwater management | Stormwater management | Groundwater quality | Sustainable development |


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