D330 Karayolu Burdur Kesiminde GPR ile Karayolu Üstyapı Tabaka Kalınlığı ve Tabakalardaki Anormalliklerin Belirlenmesi

Öz

Zemin Penetrasyon Radarı (GPR) karayollarında kalite kontrol çalışmalarında kullanılan önemli bir tahribatsız test yöntemidir. Bu çalışmada, üstyapı tabaka kalınlıklarının tespiti ve karayollarında imalat esnasında oluşan anormallikleri ortaya koymak için GPR cihazı kullanılmıştır. Araştırma kapsamında Antalya-Burdur-Isparta karayolunun belli bir kesiminde (17 km) arazi çalışmaları yapılmıştır. GPR cihazı kullanılarak iki farklı frekans hızında (600 ve 1600 MHz) görüntüleme yapılmıştır. Karayolunun yenilendiği yıl ve bir sonraki yıl üst üste iki kez GPR taraması yapılmıştır. İlk yıl yapılan GPR taramalarında yapımda planlanan tabaka kalınlıklarına ulaşılıp ulaşılmadığı ve yolun yapımından kaynaklı anormal durumlar tespit edilmiştir. İkinci yıl yapılan GPR taramalarında ise trafik yükü altında bir yıl sonrasında karayolunda meydana gelen değişimler belirlenmiştir. Bu çalışma ile GPR test yönteminin tahribatlı test yöntemlerine alternatif ve karayoluna hasar vermeden bilgi toplayabilecek bir test yöntemi olduğu bir kez daha ortaya koyulmuştur.

Anahtar Kelimeler

• Zemin Penetrasyon Radarı (GPR)
• Tahribatsız test yöntemi (NDT)
• Üstyapı
• Karayolu
• Kalite kontrol

Determination of Highway Pavement Layer Thickness and Layer Anomalies with GPR in Burdur Section of D330 Highway

Öz

Ground Penetration Radar (GPR) is an important non-destructive testing method used in quality control studies on highways. In this study, the GPR device was used to determine the pavement layer thicknesses and to reveal the anomalies that occurred during the manufacturing on the highways. Within the scope of the research, field studies were carried out in a certain part of the Antalya-Burdur-Isparta highway (17 km). Scanning was performed at two different frequency rates (600 and 1600 MHz) using the GPR device. Two consecutive GPR scans were performed in the year the highway was renewed and the following year. In the first year GPR scans, it was determined whether the planned layer thicknesses were reached or not and abnormal conditions arising from the construction of the highway. In the second year GPR scans, the changes that occur on the highway after one year under the traffic load were determined. With this study, it has been demonstrated once again that the GPR test method is an alternative to destructive testing methods and is a test method that can collect information about the highway without damaging.

Anahtar Kelimeler

• Ground Penetration Radar (GPR)
• Non-destructive testing method (NDT)
• Pavement
• Highway
• Quality control

Kaynakça

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