A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
GROUND IMPROVEMENT METHOD BY CONSTRUCTING COMPACTION PILE
PROBLEM TO BE SOLVED: To enhance work efficiency without interruption to work by preventing blocking of a hopper or a casing pipe due to adhesion of an infilling material inside the hopper or the casing pipe.SOLUTION: In a ground improvement method by constructing a compaction pile in which a widened compaction pile is constructed in a ground, a good-quality infilling material A and a not-good-quality infilling material B are prepared as infilling materials thrown into a hopper and a casing pipe, the good-quality infilling material being within an actual particle diameter range that serves as a reference for a good-quality material in terms of a relationship between a particle diameter and a passage mass percentage, and the not-good-quality infilling material being a material with a high moisture content, viscous soil, or local soil, either as is modified or as it is. In the ground improvement method by constructing a compaction pile, the good-quality infilling material A and the not-good-quality infilling material B are thrown into the hopper and the casing pipe alternately at prescribed amounts, and discharged into the ground from a bottom end of a casing pipe 4.SELECTED DRAWING: Figure 4
【課題】ホッパー内やケーシングパイプ内に中詰め材が付着してホッパーやケーシングパイプを閉塞してしまうといったことを防止することにより、作業の中断といったことを無くして作業効率を向上させる。【解決手段】地盤中に拡径した締固め杭を造成する締固め杭造成による地盤改良方法において、ホッパー及びケーシングパイプ内に投入する中詰め材として、粒径と通過質量百分率との関係における良質材料の基準となる粒径実績範囲内に収まった良質な中詰め材Ａと、含水比の高い材料又は粘性土又は現地発生土等をそのまま又は改質等した非良質な中詰め材Ｂと、をそれぞれ用意し、この良質な中詰め材Ａと非良質な中詰め材Ｂを、所定の量ずつ交互にホッパー及びケーシングパイプ内に投入してケーシングパイプ４の下端から地盤中に排出する締固め杭造成による地盤改良方法である。【選択図】図４
GROUND IMPROVEMENT METHOD BY CONSTRUCTING COMPACTION PILE
PROBLEM TO BE SOLVED: To enhance work efficiency without interruption to work by preventing blocking of a hopper or a casing pipe due to adhesion of an infilling material inside the hopper or the casing pipe.SOLUTION: In a ground improvement method by constructing a compaction pile in which a widened compaction pile is constructed in a ground, a good-quality infilling material A and a not-good-quality infilling material B are prepared as infilling materials thrown into a hopper and a casing pipe, the good-quality infilling material being within an actual particle diameter range that serves as a reference for a good-quality material in terms of a relationship between a particle diameter and a passage mass percentage, and the not-good-quality infilling material being a material with a high moisture content, viscous soil, or local soil, either as is modified or as it is. In the ground improvement method by constructing a compaction pile, the good-quality infilling material A and the not-good-quality infilling material B are thrown into the hopper and the casing pipe alternately at prescribed amounts, and discharged into the ground from a bottom end of a casing pipe 4.SELECTED DRAWING: Figure 4
【課題】ホッパー内やケーシングパイプ内に中詰め材が付着してホッパーやケーシングパイプを閉塞してしまうといったことを防止することにより、作業の中断といったことを無くして作業効率を向上させる。【解決手段】地盤中に拡径した締固め杭を造成する締固め杭造成による地盤改良方法において、ホッパー及びケーシングパイプ内に投入する中詰め材として、粒径と通過質量百分率との関係における良質材料の基準となる粒径実績範囲内に収まった良質な中詰め材Ａと、含水比の高い材料又は粘性土又は現地発生土等をそのまま又は改質等した非良質な中詰め材Ｂと、をそれぞれ用意し、この良質な中詰め材Ａと非良質な中詰め材Ｂを、所定の量ずつ交互にホッパー及びケーシングパイプ内に投入してケーシングパイプ４の下端から地盤中に排出する締固め杭造成による地盤改良方法である。【選択図】図４
GROUND IMPROVEMENT METHOD BY CONSTRUCTING COMPACTION PILE
締固め杭造成による地盤改良方法
YABE HIROSHI (author) / ISOTANI SHUJI (author)
2017-06-01
Patent
Electronic Resource
Japanese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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