Steel pipe pile continuous walls for road widening

2023.8.17 Road


Road widening work with the use of a retaining structure

Settsu, Osaka, Japan


・Press-in operation into a hard ground (equivalent N-value = 100)
・Systematic construction to remove effects on surrounding houses and overhead power lines, by adopting an environment supervising system EMOS

Press-in operation with rotary cutting (Gyropress Method™)


Construction machine usedGYRO PILER™ (GRAL1520)
Type/Dimension30 steel tubular piles, dia. = 1,500 mm,
L = 31.5 - 33.7 m (with 2 joints)

Measurements of noise and vibration

Construction plan

Soil boring log

International Press-in Association (IPA) The Editorial Committee , Press-in retaining structures: a handbook First edition 2016
*Editing the image with permission obtained.