YUNIANTA, ANDUNG (2021) SISTEM DRAINASE JALAN RAYA YANG BERKELANJUTAN. Doctoral thesis, UNDIP.

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Abstract

Roadway as part of land transportation is a very important to actualize human or commodity movement. Roadway should be able to show good performance. It is known inundation at roadway is very serious problems, and often cause disruption to road users. Conventional drainage system which has been applied with the concept of discharging water into the drainage channel has not been able to cope with the rainwater that falls on the road surface. The load on the drainage channel continues to increase and the drainage function decreases to drain water through the channel. To overcome the problem of drainage, a new concept of eco-drainage was introduced, namely the concept of minimizing changes in water discharge and pollutants as a result of region development. Sustainable drainage system (SUDS) concept offers various forms of structures to solve the quantity and quality problems of surface runoff from roads. Use of the SWMMprogram to determine the hydraulic modeling that directs runoff flow through a network
of drainage systems, storage units and drainage structures. This research aims to develop
a sustainable road drainage system by increasing the infiltration capacity of water into the
soil. Model named U-Ditch Filter Drains Integrated Infiltration Wells consists of a UDitch channel with filter, reservoir and infiltration well. Channel is filled with aggregate
to filter runoff water from the road before it flows into the reservoir, and is integrated the
infiltration well. Effectiveness of aggregate filter quantitatively from one of the TSS
parameters with a value of 53.23%. Use of infiltration wells as a final reservoir must
attention to technical requirements, a deep groundwater level. Maximum water absorption
rate produced in infiltration wells is 12,529 liters/second with 125 mm of rainfall. the
average infiltration rate for 10 times of measurement is 8,150 liters/second. Total of
infiltration wells is 531 at a flow rate of 4,330 liters/second with location at Undip Faculty
of Economics and Business. Drainage maintenance is an optimal effort to maintain
optimal drainage infrastructure by the user community, with continuous local government
development. This research is expected to be able to produce a sustainable road drainage
system with the ability to reduce inundation and improve the quality of runoff water
entering the highway.
Keywords: Drainage, Road, Sustainability

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