INVESTİGATİON OF TENSİONAL FİSSURES İN KARAHAYIT (DENİZLİ) SETTLEMENT AREA AND THEİR TECTONİCAL - PALEOSEİSMOLOGİCAL İNTERPRETATİON
Öz
NS-SW directional normal faults and opening cracks are
found in Denizli area due to NE-SW directional tectonic opening. There are a
lot of opening cracks between Pamukkale and Karahayıt. The active Pamukkale
fault, which produces earthquakes in historical periods, located on the east of
Karahayit. The cracks in the region are structures those formed parallel to
this fault and formed by the same opening tectonics. Karahayit is known to have
water outflows from the cracks in the settlement area 20-30 years ago. However,
as the water level falls, the water flow is cut off from the cracks and the gap
between the cracked surfaces is filled with natural and anthropogenic
materials. The cracks on which it is built are artificially covered with
concrete or covered with paving stone. Even if the newly furnished parquet
closes the crack, the back topography reveals the position of the crack. It is
noteworthy that the old paving stones played from time to time throughout the
cracked line. Various structural damages were observed due to the construction
of the structure on the crack. These damages appeared in the walls as cracks,
opening in the building joints. Crack and fault behavior are structurally
different. The faults move in a very short period of time, causing earthquakes
and damage to structures. Opening cracks, however, are opened with very little
movement over a longer time period. Therefore, the damages on the structures
are observed over a longer period of time. The presence of water flow in these
cracks does not mean that the crack does not move. As long as the tectonic
opening in the region continues, these cracks, which are zones of weakness,
will continue to open.
Anahtar Kelimeler
Fault,Crack,Karahayıt,Tectonical opening,Travertine,Structural damage
Kaynakça
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