A Unique Engineering Geology Approach to Aid in Design and Construction of a Pipeline Project in Texas

Wilkerson, Mark; Larson, John W.; Gaughan, Matt; Marshall, David

doi:10.1061/9780784413012.038

Cited by 3 publications

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“…The sites lie at moderate to steep slopes (>22 • ) and move at a VD rate of up to −4.29 mm/yr (Figure 4). Several studies focusing on south and central Texas corroborate this assessment of the susceptibility of cliffs dominated by the Eagle Ford Formation to slow-moving landslides [87][88][89].…”

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confidence: 75%

Kinematics and Controlling Factors of Slow-Moving Landslides in Central Texas: A Multisource Data Fusion Approach

Gebremichael,

Hernandez,

Alsleben

et al. 2024

Geosciences

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The Austin metropolitan area has experienced unprecedented economic and population growth over the past two decades. This rapid growth is leading communities to settle in areas susceptible to landslides, necessitating a comprehensive analysis of landslide risks and the development of early warning systems. This could be accomplished with better confidence for slow-moving landslides, whose occurrences could be forecasted by monitoring precursory ground displacement. This study employed a combination of ground- and satellite-based observations and techniques to assess the kinematics of slow-moving landslides and identify the controlling and triggering factors that contribute to their occurrence. By closely examining landslide events in the Shoal Creek area, potential failure modes across the study area were inferred. The findings revealed that landslide-prone areas are undergoing creep deformation at an extremely slow rate (up to −4.29 mm/yr). These areas lie on moderate to steep slopes (>22°) and are predominantly composed of clay-rich units belonging to the Del Rio and Eagle Ford formations. Based on the incidents at Shoal Creek, episodes of intense rainfall acting on the landslide-prone areas are determined to be the main trigger for landslide processes in the region.

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confidence: 75%