INVESTIGATION AND RISK ASSESSMENT OF SUBSURFACE GAS POCKETS IN THE AREA OF KALAMATA AIRPORT

Ref.No: 62446100
Start date: 03.09.2026
End date: 02.03.2027
Approval date: 01.09.2026
Department: MINING AND METALLURGICAL ENGINEERING
Sector: GEOLOGICAL SCIENCES
Financier: INTRAPOWER EKTER A E KLX AIRPORT KOINOPRAKSIA
Budget: 43.400,00 €
Public key: ΡΒΔ546ΨΖΣ4-77Α
Scientific Responsible: Assist. Prof. IOANNIS VAKALAS
Email: vakalas@mail.ntua.gr
Description: THE PROJECT INVOLVES THE INVESTIGATION OF THE ORIGIN OF SUBSURFACE GAS POCKETS AND THE ASSESSMENT OF THEIR POTENTIAL HAZARDS IN THE AREA OF THE KALAMATA AIRPORT EXPANSION WORKS. THE INVESTIGATION FOLLOWS REPEATED INCIDENTS DURING GEOTECHNICAL DRILLING, WHERE GAS AND WATER WERE VIOLENTLY RELEASED FROM DEPTHS EXCEEDING 20 M. GAS SAMPLES WILL BE COLLECTED AND ANALYSED CHEMICALLY AND ISOTOPICALLY TO DETERMINE THEIR COMPOSITION AND DISTINGUISH BETWEEN BIOGENIC AND THERMOGENIC ORIGINS. GEOPHYSICAL INVESTIGATIONS WILL ALSO BE CONDUCTED USING ELECTRICAL RESISTIVITY TOMOGRAPHY (ERT) AND SEISMIC METHODS TO IDENTIFY POTENTIAL GAS-BEARING ZONES AND ACCURATELY DEFINE SUBSURFACE STRATIGRAPHY. THE COMBINED RESULTS WILL SUPPORT RISK ASSESSMENT AND PROVIDE VALUABLE GEOTECHNICAL INFORMATION FOR THE PLANNED CONSTRUCTION WORKS
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