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http://dx.doi.org/10.9720/kseg.2022.4.671

A Study on the Field Application of High Strength Joint Buried Pile Retaining Wall Method  

Lee, Gwangnam (Department of Civil Engineering, Chosun University)
Kim, Daehyeon (Department of Civil Engineering, Chosun University)
Publication Information
The Journal of Engineering Geology / v.32, no.4, 2022 , pp. 671-684 More about this Journal
Abstract
This study verified the stability of a high-strength combined buried pile retaining wall and its applicability in the field. A cast-in-place (C.I.P) retaining wall and the high-strength combined embedded pile retaining wall were compared and analyzed numerically. The numerical analysis assessed the ground behavior and stability (and thus field applicability) of a high-strength combined buried pile retaining wall using data measured in the field. The experimental results showed that the cross-sectional force and displacement of the high-strength bonded pile retaining wall were reduced by 13.6~19.7%, the shear force increased by 0.7~4.7%, and the bending moment increased by 4.5~8.8% relative to the values for the C.I.P retaining wall. Examination of the amount of subsidence in the ground around the excavation showed that the maximum settlement of the C.I.P retaining wall was 46.89 mm and that at the high-strength combined buried pile retaining wall was 39.37 mm. Overall, designing a high-strength combined embedded pile retaining wall by applying the maximum bending moment and shear force calculated using the elastic beam method to the site ground was shown to achieve the safety of all members, as member forces were generated within the elastic region.
Keywords
retaining wall method; settlement; high strength; bending moment; shear force;
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