TY  - JOUR
T1  - FIELD STUDIES INVESTIGATING THE EFFECTS OF KARSTIC FORMATIONS ON ENGINEERİNG STRUCTURES IN SIIRT PROVINCE
TT  - SİİRT İLİNDE KARSTİK OLUŞUMLARIN MÜHENDİSLİK YAPILARI ÜZERİNDEKİ ETKİLERİNİN SAHA ÇALIŞMALARI İLE İNCELENMESİ
AU  - Gülen, Murat
AU  - Ayhan, Ersin
PY  - 2026
DA  - March
Y2  - 2025
DO  - 10.17780/ksujes.1769559
JF  - Kahramanmaraş Sütçü İmam Üniversitesi Mühendislik Bilimleri Dergisi
JO  - KSU J. Eng. Sci.
PB  - Kahramanmaras Sutcu Imam University
WT  - DergiPark
SN  - 1309-1751
SP  - 111
EP  - 123
VL  - 29
IS  - 1
LA  - en
AB  - Limestone and dolomite are carbonate rocks that gradually dissolve when exposed to groundwater and surface water, leading to the development of karstic features. Rainwater containing weak carbonic acid enlarges existing fractures and joints, forming voids, caves, and underground channels. These structures are highly sensitive to external influences such as structural loads, rainfall, groundwater fluctuations, climatic variations, and seismic activity. Even small hydrogeological or dynamic changes can disrupt the stability and cause sudden settlement or collapse. Understanding these processes is essential for ensuring the safety of engineering structures founded on carbonate terrains. In Siirt Province, karstic carbonate rocks are widespread in areas where various engineering structures are located. While these units seem stable under natural conditions, external factors can cause abrupt losses in bearing capacity and surface deformation, adversely affecting structural performance. This study evaluates more than 700 boreholes, supported by geophysical measurements and field observations across 147 plots. Additionally, several case studies were examined to identify mechanisms of stability loss in different parts of the province. The findings highlight that thorough geotechnical and geophysical investigations are necessary prior to construction in karst-prone zones. Integrating geological and hydrogeological data into urban planning is also crucial for ensuring safe and sustainable development.
KW  - Karst formations
KW  - dynamic effects
KW  - loss of bearing capacity
KW  - sudden settlement
KW  - stability
N2  - Kireçtaşı ve dolomit, yer altı ve yüzey sularına maruz kaldıklarında yavaşça çözünen karbonat kayaçlarıdır ve bu süreç karstik yapıların gelişimine neden olur. Zayıf karbonik asit içeren yağmur suyu, kayaçlardaki mevcut çatlak ve eklemleri genişleterek boşluklar, mağaralar ve yer altı kanalları oluşturur. Bu yapılar, yapı yükleri, yağış, yer altı su seviyesi değişimleri, iklimsel farklılıklar ve sismik etkiler gibi dış faktörlere oldukça duyarlıdır. Küçük hidrojeolojik veya dinamik değişiklikler bile zeminin stabilitesini bozarak ani oturma ya da çökme gibi sorunlara yol açar. Bu süreçlerin anlaşılması, karbonat zeminler üzerinde inşa edilen mühendislik yapılarının güvenliği için büyük önem taşır. Siirt ilinde karstik karbonat kayaçları, birçok mühendislik yapısının bulunduğu alanlarda yaygın olarak görülür. Bu birimler doğal koşullarda kararlı görünse de dış etkiler taşıma gücü kayıplarına ve yüzey deformasyonlarına neden olur. Bu çalışma kapsamında, 700’den fazla sondaj kaydı incelenmiş; 147 parselde jeofizik ölçümler ve arazi gözlemleri değerlendirilmiştir. Ayrıca ilin farklı bölgelerindeki vakalar analiz edilerek stabilite kaybı mekanizmaları belirlenmiştir. Elde edilen bulgular, karst riski taşıyan alanlarda inşaata başlamadan önce kapsamlı geoteknik ve jeofizik araştırmalar yapılması gerektiğini ortaya koymaktadır. Güvenli ve sürdürülebilir kentleşme için jeolojik ve hidrojeolojik verilerin planlamaya entegre edilmesi de büyük önem taşımaktadır.
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UR  - https://doi.org/10.17780/ksujes.1769559
L1  - https://dergipark.org.tr/en/download/article-file/5174286
ER  -