This research is a numerical study on the pullout load according to the number of helical anchor screw installation and soil properties changes. As the number of helical screws, cohesion, internal friction angle, and deformation coefficient increased, the pullout load increased.

• 박병수(강원도립대학교 건설지적토목과 교수, 공학박사) | Park, Byung Soo Corresponding author
• 김창우(강원도립대학교 건설지적토목과 연구원, 공학석사) | Kim, Chang Woo