Highway Construction Project, Highway No. 103 (Rong Kwang - Ngao) Section 3
Location
Lampang, Thailand
Client
Aung sae heng
project type
Infrastructure
CHALLENGES & INNOVATIVE SOLUTIONS
CHALLENGE
Geotechnical Design in Complex Hilly Terrain
Extending lanes on Highway No. 103 (Rong Kwang - Ngao Section 3) required significant hillside excavations. Designing safe and effective earth retaining systems in this variable terrain necessitated precise geological understanding to prevent slope failure during and after active road construction.
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Geological Uncertainty: The complex hilly topography required exact in-situ data to properly understand the underlying rock and soil mechanics.
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Active Construction Proximity: Excavating and stabilizing high slopes directly adjacent to ongoing highway expansion activities posed strict logistical and safety risks.
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Dual-System Requirements: The project demanded specialized stabilization designs catering to both exposed cut slopes and the engineered earth mass behind Concrete Panel MSE Walls.
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Structural Design Precision: Accurately determining the critical embedment depth for soil nails was essential to guarantee both global stability and structural safety.
SOLUTION
Data-Driven Analytical Modeling and Reinforcement Design
To ensure absolute structural integrity, the engineering team executed a comprehensive geotechnical investigation and advanced computational analysis to dictate the final stabilization parameters.
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Comprehensive Geological Survey: Conducted extensive fieldwork and detailed slope mapping to capture precise, site-specific structural geology data.
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Failure Mechanism Evaluation: Executed rigorous kinematic analysis to accurately identify and predict potential rock mass failure modes based on the field data.
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Advanced Stability Modeling: Applied the Limit Equilibrium Method to compute exact safety factors and analyze critical slip surfaces across the excavation profile.
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Optimized Reinforcement Design: Translated complex analytical data into actionable construction drawings, specifying the precise soil nail depths and layouts for both the cut slopes and MSE Wall integration.
THE OUTCOME
Optimized Slope Stabilization for Highway Expansion
By employing a rigorous, data-driven geotechnical approach, the engineering team successfully delivered a highly optimized and structurally sound stabilization design. The precise analytical determination of soil nail depths eliminated geological guesswork, ensuring the absolute stability of both the exposed cut faces and the Concrete Panel MSE Wall. Ultimately, this comprehensive engineering analysis provided clear, safe, and executable construction drawings, facilitating the successful expansion of the highway through challenging mountainous terrain.
