Gob-side entry retaining (GER) play a crucial role in enhancing coal recovery. improving roadway stress conditions. and ensuring safe and efficient mining operations. This study focuses on investigating the stability characteristics of surrounding rock using flexible formwork concrete (FFC) along the headgate of 3405 panel. https://www.roneverhart.com/Asus-F1400EA-SB34-14-HD-1366x768-Laptop-Intel-Core-i3-1115G4-3-0-GHz-8GB-DDR4-256GB-SSD-Intel-UHD-Graphics-Windows-11-p9785/