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Derivation of Flexural Rigidity Formula for Two-row Overlap Pile Wall2열 겹침주열말뚝의 휨 강성 산정식 유도
- Other Titles
- 2열 겹침주열말뚝의 휨 강성 산정식 유도
- Authors
- Choi, Wonhyuk; Kim, Bumjoo
- Issue Date
- Dec-2018
- Publisher
- 한국지반신소재학회
- Keywords
- Two-row overlap pile wall; Deep excavation; Flexural rigidity; Cross-section
- Citation
- 한국지반신소재학회 논문집, v.17, no.4, pp 109 - 118
- Pages
- 10
- Indexed
- ESCI
KCI
- Journal Title
- 한국지반신소재학회 논문집
- Volume
- 17
- Number
- 4
- Start Page
- 109
- End Page
- 118
- ISSN
- 2508-2876
2287-9528
- Abstract
- Two-row overlap pile wall, currently under development for use in deep excavations, is a novel retaining structure designed to perform itself as a cutoff wall as well as a high-stiffness wall by constructing four overlapping piles arranged in zigzag manner at a time using a tetra-axis auger. This wall has a relatively complex cross-section, compared with other types of pile wall, which would make it difficult to determine design parameters related to cross-section. In this study, a flexural rigidity equation has been derived by analyzing both theoretically and statistically various wall cross-sections with different pile diameters and overlap lengths. The flexural rigidity equation was found to show the maximum error rate of 3%.
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Related Researcher
- Kim, Bum Joo
- College of Engineering (Department of Civil and Environmental Engineering)