Determination of Excavation Volume Using UAV-Based PPK Method in Open Mining Sites Tatlıdere Forests in Düzce

Abstract

Remote sensing technologies have the potential to provide cost-effective, fast, and easy solutions for the determination of surface changes (material volume) after quarrying (open-pit mine) activities. In areas where the topography is rugged and difficult to access, the use of ground measurement techniques causes difficulties. In such cases, the use of remote sensing techniques is indispensable. The Post Processing Kinematic (PPK) measurement technique provides an alternative solution to other photogrammetry methods in areas whose topography is not suitable for satellite-based positioning. This study investigates the applicability of the UAV based PPK method for the calculation of cut volume in quarry operations. The study area was selected as a quarry located within the boundaries of Tatlıdere Forestry Operation Chief in Düzce province and operated by a legal entity. Using a DJI Phantom 4 RTK unmanned aerial vehicle (UAV) with a PPK application module, a total of two flights in PPK flight mode were performed at the quarry on 30 September 2021 and 19 May 2022 (covering a period of approximately 7 months). The material volume, which is important for quarry operation, was calculated and the excavation volume in the two flight time intervals was found to be 104.170 m³ and the cut area was found to be 44.348 m2. According to the results obtained, UAV systems should be used in quarry management in terms of time and work safety in obtaining data.

Keywords

• Cut volume
• UAV
• PPK method
• Quarry
• Düzce

Düzce Tatlıdere Ormanları Açık Maden Sahalarında İHA-Tabanlı PPK Yöntemi Kullanılarak Kazı Hacminin Belirlenmesi

Abstract

Taş ocaklarında yapılan faaliyetler sonrası meydana gelen yüzey değişimlerinin (materyal hacmi) belirlenmesinde uzaktan algılama teknolojileri, maliyet-etkin, hızlı ve kolay çözümler sunma potansiyeli taşımaktadır. Topografyanın engebeli ve ulaşılması güç olduğu alanlarda yersel ölçüm tekniklerini kullanmak zorluklara neden olmaktadır. Bu gibi durumlarda uzaktan algılama tekniklerinin kullanımını olmazsa olmaz kılmaktadır. Coğrafi yapısı, uydu bazlı konumlamaya müsait olmayan alanlarda ölçü sonrası veri değerlendirme (Post Processing Kinematic-PPK) ölçüm tekniği diğer fotogrametri yöntemlerine alternatif çözüm sağlamaktadır. Bu çalışmada İHA-tabanlı PPK yönteminin taş ocağı işletmeciliğindeki kazı hacminin hesaplanmasında kullanılabilirliği incelenmiştir. Çalışma alanı olarak, işletmesi tüzel kişiliğe ait Tatlıdere (Düzce) Orman İşletme Şefliği’ndeki taş ocağı seçilmiştir. Çalışmada DJI Phantom 4 RTK marka ve PPK uygulama modülü sahip insansız hava aracı (İHA) kullanılarak, taş ocağında 30 Eylül 2021 ve 19 Mayıs 2022 tarihlerinde (yaklaşık 7 aylık süreci kapsayan) PPK uçuş modunda toplam iki uçuş gerçekleştirilmiştir. Taş ocağı işletmeciliği için önemli olan materyal hacmi hesaplanmış, iki uçuş zaman aralığındaki kazı miktarı 104,170 m³ ve kazı alanı ise 44,348 m2 bulunmuştur. Elde edilen sonuçlar doğrultusunda taş ocağı işletmeciliğinde İHA sistemleri veri elde etmede zaman ve iş güvenliği açısından kullanmalıdır.

Keywords

• Kazı hacmi
• İHA
• PPK metot
• Taş ocağı
• Düzce

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