Influence of Sand Permeability At Sand Column to Groundwater Recharge

Akhmad, Azis and Hamzah, Yusuf and Zulviyah, Faisal (2015) Influence of Sand Permeability At Sand Column to Groundwater Recharge. In: The 2nd Makassar International Conference on Civil Engineering (MICCE 2015), 11-12 Agustus 2015, Makassar.

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Abstract

The need for ground water supply is increasing, however, with the excessive exploitation, the surface of the groundwater has gone down, and that has resulted in the lowering of the land subsidence, the sea water intrusion, and the decreasing groundwater quality. In order to keep the groundwater supply, various attempts have been taken,such as implementing the natural or artificial recharges. One of the artificial recharging methods which had previously beenn studied was the constructing a recharge reservoir on the soil with the permeability of less 10-5 cm3/sec using a sand column. The purpose of research is to determine how much influence the permeability of the sand in the sand column. More specifically, the aim of the research was to determine exactly the kind of the sand column which could be used in the field, in order to reduce the groundwater problems. The measurement of the physical model test instrument was 180cm x 115cm x 60cm with the parameters of the number of sand columns (4; 6: 12) pieces, the reservoir water level of (5; 7,5; lO) cm. the sand column height of(30; 32,5; 35) cm, three variations of sand permeability. The conclusion of this study namely, that the greater the density of the sand column and sand permeability, discharge into the aquifer layers greater. While the height of sand column opposite. The greater the height of sand column, the smaller discharge into the aquifer layers.

Item Type: Conference or Workshop Item (Paper)
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Department of Civil Engineering > Teknik Konstruksi Gedung
Depositing User: Hamzah Yusuf
Date Deposited: 06 Dec 2016 05:59
Last Modified: 02 Apr 2019 02:09
URI: http://repository.poliupg.ac.id/id/eprint/36

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