Analysis of land use for mitigating mass movement threats, case study: Wonolelo and its surrounding areas, Bantul Regency

Muchlis,; Rakhman, Arie Noor; Latifah, U

doi:10.1088/1755-1315/871/1/012024

Cited by 2 publications

References 2 publications

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Slope stability analysis applied to the 5th section of the Northern Marmara Motorway, İzmit, Türkiye

Çakıner,

Bozkurtoğlu,

Karakaş

2024

Environ Earth Sci

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The Northern Marmara Motorway is a project that aims to alleviate the heavy traffic congestion in the provinces of İstanbul, Tekirdağ, Kocaeli and Adapazarı. Within the 5th section bounded by “the Motorway Port Connection Road” and “İzmit Intersection”, mass movements of slide (Y1, Y2) and flow (Y3) types were observed along the route. This study investigated the causes of mass movements in the Korucu Formation, which consists of sandstone and shale alternation. It also evaluated the support systems to prevent these movements. The analysis considered project criteria, both static and dynamic conditions, types of mass movements and triggering factors. The study identified a combination of factors, including the water table and surface waters, which lead to progressive weathering and mass movement. Stability analyses were conducted for specific right-cut slope sections. These analyses included assessments of soil structure, soil–rock mechanics, engineering geology and geotechnics, as well as examination of field and laboratory test results. These analyses aimed to comprehensively investigate and understand the factors influencing the occurrence of mass movements, particularly for km: 170 + 300–170 + 400, km: 170 + 640 and km: 175 + 297–175 + 463. At Y1, pile retaining walls are proposed using Slide2 software to reduce the slope angle from 22° to 17°. At Y2, a translational landslide occurred with recommendations for the adjustment of the slope angle and protective measures considering the disturbance factors (D = 0.3 and D = 0.5). Y3 was a flow-type movement that required protection of the slope with riprap due to the different geological conditions and disturbance factors. This study underlines the need for a comprehensive geological analysis and structural measures to ensure safety in these areas.

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Slope stability analysis applied to the 5th section of the Northern Marmara Motorway, İzmit, Türkiye

Çakıner,

Bozkurtoğlu,

Karakaş

2024

Environ Earth Sci

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Importance of engineering geology on slope stability analysis applied in Northern Marmara Motorway (Section-5), İzmit, Turkey

Çakıner

Bozkurtoğlu

2022

Preprint

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Northern Marmara Motorway is a project planned to reduce the heavy traffic load around İstanbul, Tekirdağ, Kocaeli and Adapazarı provinces. In the Kurtköy-Akyazı section of the Northern Marmara Motorway, within the 5th section, bordered by “the Motorway Port Connection Road” and “İzmit Junction”, flow and slide-type mass movements were observed along the route. Possible causes of these mass movements occurred in the Çaycuma Formation which is sandstone-shale alternation, and the support system to stop the movements were evaluated within the scope of the study. The existing project criteria were analysed for the static and dynamic conditions, types of mass movements and the factors causing these mass movements were determined, and the slope stabilization applications suggested. The study area was additionally evaluated in terms of hydrogeological characteristics. Therefore, a meteorological water budget for the study area has been calculated by the Penman Method. Additionally, the water budget data was evaluated in terms of the mechanism that creates the mass movement, the environmental properties and the water relationships. Stability analyses were run in terms of soil structure, soil-rock mechanics, engineering geology, geotechnical engineering, and field and laboratory test results for the mass movements that took place in the right cut slopes between KM: 170 + 300 − 170 + 400, KM: 170 + 640 and KM: 175 + 297 − 175 + 463 of the 5th section.

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Analysis of land use for mitigating mass movement threats, case study: Wonolelo and its surrounding areas, Bantul Regency

Cited by 2 publications

References 2 publications

Slope stability analysis applied to the 5th section of the Northern Marmara Motorway, İzmit, Türkiye

Slope stability analysis applied to the 5th section of the Northern Marmara Motorway, İzmit, Türkiye

Importance of engineering geology on slope stability analysis applied in Northern Marmara Motorway (Section-5), İzmit, Turkey

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