Tiered Gravity Wall System Uses Minimal Space to Maximize Library Parking in Korea

The Challenge: Limited Footprint for a Retaining Wall

A new municipal library facility in Sacheon, Gyeongsangnam-Do, Korea, needed a space-saving retaining wall solution to maximize parking space while ensuring long-term stability. The four-floor, 5 270 sq m (56,725 sq ft) Sacheon City Library is designed as a “forest library,” integrating culture, information, and knowledge. This concept is particularly fitting as it’s nestled within a hilly, forested space west of the bustling city center.

Why Redi-Rock? A Space-Saving, Engineered Solution

Designers needed a retaining wall solution to ensure sufficient parking at the 28.5 billion KRW (17.7 million USD) library. Initial plans called for a cantilever-reinforced concrete (RC) wall; however, the wall site’s footprint was too limited to accommodate the RC wall’s footing. Instead, a tiered Redi-Rock gravity wall system featuring two 4 m (13-ft) walls was selected as the ideal retaining wall solution working within limited space, providing necessary height without requiring additional excavation. Upon completion, the gravity wall delivered:

• Tiered Gravity Wall Design: The completed wall system features two 4 m (13 ft) walls, offering stability without requiring additional excavation and an appealing natural stone aesthetic with the Ledgestone texture.

• Optimized Land Use: The modular design and minimal excavation needs paved the way for maximum parking capacity while maintaining the site’s intended layout.

• Efficient Installation: With fewer components and no need for extensive reinforcement, the Redi-Rock wall system expedited construction timelines with quick and easy installation.