Application of unmanned aerial vehicle (UAV) for slope mapping at Pahang Matriculation College, Malaysia

Zolkepli, Muhammad Farhan; Ishak, Maisarah; Yunus, Muhamad; Zaini, Muhammad Syamsul Imran; Wahap, Mohd Sharulnizam; Yasin, Alimuddin; Sidik, M.H.; Hezmi, M.A.

doi:10.1016/j.pce.2021.103003

Cited by 22 publications

(19 citation statements)

References 18 publications

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“…The selected slope angle between the two vertexes was 47.43° where based on the classes of slope, the condition of slope was stated as very steep slope since it angle is in range from 35° to 100° and classified as the slope hazard. All of these analyses is accordance to previous researchers such as [3], [6]), who also do research for slope mapping using UAV. They also indicate the potential slope hazard based on slope angle that been analyzed by using Global Mapper.…”

Section: Fig 5 -Path Profile Of Areasupporting

confidence: 90%

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Unmanned Aerial Vehicle (UAV)-Based for Slope Mapping and the Determination of Potential Slope Hazard

Zolkepli¹,

Ishak²,

Talib³

2022

IJIE

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This paper discusses the applications of unmanned aerial vehicle (UAV) for slope mapping and the determination of potential slope hazard of three selected areas. With the development of modern technology, the utilization of UAV to gather data for slope mapping can be considered as finest method as it is quick, reliable, precise, cost-effective and also easily to operate. High imagery quality is essential for the effectiveness and nature of normal mapping output such as Digital Surface Model (DSM) and also Ortho Images. The utilization of UAV to capture aerial photo helps to gather information from a normal area to an area which almost impossible to reach. With the data obtained by the UAV, it will later process in established software and the analysis of slope profile of certain selected study areas will be done. Mapping using UAV was within the area of Pahang Matriculation College. Three slope area namely as Area 1, Area 2 and Area 3 are marked. Further analyses are conducted in these three areas to obtain the information of potential slope hazard based on slope angles. For Area 1, the slope is marked at the coordinate of (286136.265, 412066.821) to (286265.423, 411783.038). The slope angle between the two vertexes was 46.18° and considered as very steep slope. For Area 2, the slope is marked at the coordinate of (286054.203, 412021.343) to (285963.651, 411913.543). The slope angle between the two vertexes was 77.66° and considered as very steep slope. The slope at Area 3 is marked at the coordinate of (285847.833, 411775.762) to (285887.450, 411251.046). The slope angle between the two vertexes was 47.43° and considered as very steep slope. In conclusion, the use of UAV in geotechnical engineering proven to be very useful for slope mapping and determination of slope hazard based on slope angle.

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Section: Fig 5 -Path Profile Of Areasupporting

confidence: 90%

“…In order to determine the slope hazard, the angle of the slope need to be consider since it is one of the factor that cause the slope hazard to be occur. As indicated by [3], [21], the slope classes is shown in the Table 3. Fig.…”

Section: Slope Hazardmentioning

confidence: 99%

Unmanned Aerial Vehicle (UAV)-Based for Slope Mapping and the Determination of Potential Slope Hazard

Zolkepli¹,

Ishak²,

Talib³

2022

IJIE

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“…This will help to analyse the critical parts of slope that can lead to landslide. The further analysis from UAV data help to obtain slope angle which will be used for hazard identification (Zolkepli et al, 2021). A visualisation of 3D map from the data obtained through UAV was used to produce a 3D models of rock slope and then the stability of the slope is further analysed through software.…”

Section: Understanding the Earth Structurementioning

confidence: 99%

Application of Unmanned Aerial Vehicle (UAV) in Terrain Mapping: Systematic Literature Review

Nordin¹,

Salleh²

2022

IJSCET

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Unmanned Aerial Vehicle (UAV) is an advanced technology that can be control remotely. It hovers up in the air and travel with different height and distance depending on the capability of the UAV. Originally, this technology was invented for military practice. Now, the innovation of UAV is growing and have contribute to various field including terrain mapping in surveying work. Carrying out mapping task in terrain such as mountain, valley, plateau, or rainforest can be a difficult task in-terms of time, practicality and cost. Another challenge is when the survey area is permanently clouded over and the limited availability of aircraft platforms and the orbit features of satellites causing difficulties to obtain high quality photos. Therefore, there are much research that used UAV technology to do mapping work and obtain Digital Terrain Model (DTM), Digital Surface Model (DSM) and Digital Elevation Model for various purposes. In this study, systematic literature review using thematic analysis methodology was used to review, evaluate and combine relevant literature review. The aim of this study is to categorise the application for terrain mapping using UAV and also to identify the system and result improvement of UAV during the usage in terrain mapping. From the thematic analysis, two themes which are understanding the earth structure with the subtheme of geotechnical study, geomorphological study and flood study and UAV system improvement with the subtheme of accuracy assessment, accuracy enhancement and resolution were formed.

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“…In both the geological engineering profession and academia, the topic of slope stability has been a focus of inquiry for the last seventy years. Numerous approaches suggested in compliance with the existing computational techniques have been re ned to attain matureness and acquired the support of the engineering eld (Zolkepli et. al., 2021;Bouzid, 2022).…”

Section: Introductionmentioning

confidence: 99%

Influence of Alstonia Angustiloba Tree Water Uptake on Slope Stability: A Case Study at the Unsaturated Slope, Pahang, Malaysia

Zaini

Hasan

Zolkepli

2022

Preprint

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This study examines the effects of tree water uptake at different depths and distances on the improvement of induced water uptakes in soil owing to transpiration. This study is performed to examine the tree water uptake profile in a vegetated slope with the existence of Alstonia Angustiloba mature tree at the top and the permanence of the slope during various precipitation penetration events by which the data of the tree water uptake produced within this section of the slope is recorded and implemented to evaluate the factor of safety (FOS). Slope stability analysis is further conducted to explore how plant transpiration affects slope stability. The results portrayed that, higher tree water uptake lead to the greatest FOS of the slope up to 53% (from 2.17 to 4.57). The highest tree water uptake recorded was at the slope station with the existence of the Alstonia Angustiloba tree with a depth of 0.25 m and a distance of 1.1 m from the tree. The tree water uptake utilized in this study can contribute to a carbon-free and eco-friendly approach which can be implemented globally to prevent slope catastrophe.

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Application of unmanned aerial vehicle (UAV) for slope mapping at Pahang Matriculation College, Malaysia

Cited by 22 publications

References 18 publications

Unmanned Aerial Vehicle (UAV)-Based for Slope Mapping and the Determination of Potential Slope Hazard

Unmanned Aerial Vehicle (UAV)-Based for Slope Mapping and the Determination of Potential Slope Hazard

Application of Unmanned Aerial Vehicle (UAV) in Terrain Mapping: Systematic Literature Review

Influence of Alstonia Angustiloba Tree Water Uptake on Slope Stability: A Case Study at the Unsaturated Slope, Pahang, Malaysia

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