DYNAMIC INJECTION DEVICE AND DYNAMIC INJECTION METHOD

To effectively inject a grout material (chemical solution) into a wide range of a soft ground composed of sandy soil layers and reclaimed layers.SOLUTION: A dynamic injection device 10 is characterized by including sending means 17 that sends a chemical solution for improving a ground in a state whe...

Full description

Saved in:
Bibliographic Details
Main Authors GOTO TAKASHI, HASHIMOTO MASANOBU, OKADA KAZUNARI, KATO MITSURU, YOKOI TSUTOMU, AKIMOTO KOHEI
Format Patent
LanguageEnglish
Japanese
Published 24.10.2019
Subjects
EMBANKMENTS
EXCAVATIONS
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
UNDERGROUND OR UNDERWATER STRUCTURES
Online AccessGet full text

Cover

More Information
Summary:To effectively inject a grout material (chemical solution) into a wide range of a soft ground composed of sandy soil layers and reclaimed layers.SOLUTION: A dynamic injection device 10 is characterized by including sending means 17 that sends a chemical solution for improving a ground in a state where a pulse is added to the sending speed or sending pressure of the chemical solution, and a switch member 19 that repeats the injection of the chemical solution and stopping for each of the positions of the ground by switching several times channels for the chemical solution sent by the sending means 17.SELECTED DRAWING: Figure 1 【課題】砂質土層や埋立層からなる軟弱地盤に対してグラウト材（薬液）を広範囲に効果的に注入する。【解決手段】動的注入装置１０は、地盤を改良するための薬液の送出速度又は送出圧力に脈動を付加した状態で前記薬液を送り出す送出手段１７と、前記送出手段１７により送り出された前記薬液の流路を複数回切り替えることで、前記地盤の複数の位置の各々に対して前記薬液の注入及び中断を繰り返す切替部材１９と、を有することを特徴とする。【選択図】図１
Bibliography:Application Number: JP20180079285