ACES Jordan Completes Geotechnical Investigation for Wadi Araba Dams

20 Mar 2016

ACES Jordan has recently completed the geotechnical investigation for the Wadi Araba Dams in Jordan.

The Wadi Araba Dams are part of an integrated master plan launched by the Jordan Valley Authority (JVA) for developing the Wadi Araba area between the Southern Ghor and the Gulf of Aqaba, a 165 km long and 9-40km wide area. The development projects include the construction of several storage dams that will benefit, renovate and revive water resources, agricultural activities, tourist and industrial sectors in the Southern desert area.

The purpose of the geotechnical investigation was to assist in the dam type selection by assessing the foundation ground conditions, identifying the boundaries between the overburden soil deposits and rock formations, investigating the hydraulic properties of the dam sites, and identifying the suitability of the surround material for construction purposes.

The ensuing investigation consisted of drilling a total of 16 boreholes, including two inclined boreholes, to depths ranging from 20m to 45m, hydraulic permeability testing of 29 falling head permeability tests and 39 Lugeon (packer) tests, and excavating 15 test pits including rock bulk samples. The field work was followed by a series of laboratory tests including direct shear testing for recovered soil samples, as well as chemical testing, soundness, Los Angeles Abrasion and petrography for the aggregate materials.

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