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Development of Innovative Prestressed Support Earth Retention System
김낙경(Kim Nag Gyeong),박종식(Park Jong Sig),한만엽(Han Man Yeob),김문영(Kim Mun Yeong),김성보(Kim Seong Bo) 한국지반공학회 2004 한국지반공학회논문집 Vol.20 No.2
A new innovative prestressed support (IPS) earth retention system has been developed and introduced. The IPS is a wale system prestressed by steel wires. The IPS consists of wale, wires, and H-beam support. The IPS provides a high flexural stiffness to resist the bending by earth pressures. The IPS earth retention system provides a larger spacing of support, economical benefit, construction easiness, good performance, and safety control. This paper explains basic principles and mechanism of new IPS system and presents a design method of IPS earth retention system. In order to investigate applicability and safety of new IPS system, field tests were performed in a trench excavation. The new IPS system applied in a trench excavation was performed successfully. The measured performances of IPS system were presented and discussed.