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PHC-W말뚝 흙막이와 결합된 지하증설벽체 테스트베드 구축을 위한 실대형 지하증설벽체의 휨강도 및 전단강도 설정 연구
우종열,유충근,김성수,최용규 한국지반공학회 2018 한국지반공학회논문집 Vol.34 No.12
Test bed additional wall combined with PHC-W pile retaining wall has been constructed. To determine the dimensions of test bed additional wall, bending and shear tests of full scale core members of additional wall were tested. Basement additional walls utilizing PHC-W pile retaining wall, which were developed by modifying the cross-section of PHC piles, were classified into the composite additional wall and the non-composite additional wall. Their tests were conducted to obtain bending strength and shear strength of basement additional walls ultilizing PHC-W pile retaining wall. Since bending strengths and shear strengths of the composite additional wall and the non-composite additional wall were similar, it could be confirmed that the non-composite additional wall could be applied instead of the composite additional wall. Full-scale model additional wall was 200 mm thick, thus the thickness of additional wall combined with PHC-W pile retaining wall could be reduced by 100∼200 mm.