PILE PRESSING-IN DEVICE, SELF-TRAVELING METHOD ON PILE OF PILE PRESSING-IN DEVICE, AND CONSTRUCTION METHOD OF SHEET PILE CONTINUOUS WALL

• Main Authors: TAUCHI HIROAKI, KITAMURA MORIO, MURATA TOSHIHIKO, HAMAGUCHI SOTA, AOKI NOBUTOSHI
• Format: Patent
• Language: English; Japanese
• Published: 16.04.2020
• Subjects: EMBANKMENTS; EXCAVATIONS; FIXED CONSTRUCTIONS; FOUNDATIONS; HYDRAULIC ENGINEERING; SOIL SHIFTING; UNDERGROUND OR UNDERWATER STRUCTURES

To make a pile pressing-in device taking reactive force from an existing pile and pressing-in a pile into a ground stably travel even on a pile row with a large pile pitch and to press-in a pile with high accuracy by using the pile pressing-in device.SOLUTION: A chuck device 3, intermediate clamp devices 4A, 4B, and a rear clamp device 5 are connected in a longitudinal direction of a pile pressing-in device 1. The intermediate clamp devices and the rear clamp device are respectively configured so as to grip an upper end portion of an existing pile PS. The chuck device is configured so as to grip a pile P1 to be pressed-in. Relative ascending/descending operation and front/back operation between the chuck device and the intermediate clamp devices are made possible. Relative ascending/descending operation and front/back operation between the intermediate clamp devices and the rear clamp device are made possible. In a state where a pile P2 pressed-in a ground G is gripped by the chuck device and an upper end of an existing pile PS3 is gripped by the rear clamp device, the intermediate clamp devices can be separated from an existing pile and move in front and back.SELECTED DRAWING: Figure 5 【課題】既設杭から反力を取って地盤に杭を圧入する杭圧入装置を、杭ピッチが大きい杭列上でも安定して自走させ、同杭圧入装置により精度よく杭を圧入する。【解決手段】杭圧入装置１の前後方向にチャック装置３、中間のクランプ装置４Ａ，４Ｂ、後方のクランプ装置５が連結され、中間のクランプ装置及び後方のクランプ装置はそれぞれ、既設杭ＰＳの上端部を把持可能に構成され、チャック装置は圧入する杭Ｐ１を把持可能に構成される。チャック装置と中間のクランプ装置との相対的な昇降動作及び前後動作が可能にされ、中間のクランプ装置と後方のクランプ装置との相対的な昇降動作及び前後動作が可能にされる。地盤Ｇに圧入された杭Ｐ２をチャック装置により把持するとともに、後方のクランプ装置により既設杭ＰＳ３の上端を把持した状態で、中間のクランプ装置を既設杭から離脱させて前後に移動可能にされている。【選択図】図５