SL Type IV Corner (Ministerial Certification)
Corner of L-shaped retaining wall for residential land as stipulated in Article 14 of the Enforcement Order of the Land Readjustment Act.
The "SL Type IV Corner" is a corner product of L-shaped retaining walls for residential land that is designed to withstand large-scale seismic movements. It can be used on sites with a wall height of up to 3 meters. With separate design, it can also be used for road applications.
basic information
【Design Conditions】 When confirming soil conditions through soil tests: Overburden load: q = 10.0 kN/m² Soil shear resistance angle: φ = 25°, 30°, 35°, 40° Soil unit weight: γs = 16, 17, 18, 19 kN/m³ Concrete unit weight: γc = 24 kN/m³ Friction coefficient: μ = tanφ (not exceeding 0.6) Safety factor (sliding): Normal 1.5, during earthquake 1.0 (overturning): Normal 1.5, during earthquake 1.0
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