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SPECIFICATION SETTING METHOD OF SANDY GROUND COMPACTION METHOD
To provide a specification setting method of a sandy ground compaction method which can set previously specification without depending on test construction at the site, in a design of compaction by vibration and impact.SOLUTION: A specification setting method of a sandy ground compaction method for performing secondary compaction by press-fit of a sand material after primary compaction of a sand ground by vibration and impact has been performed includes: confirming which type includes an object ground of the compaction and setting a necessary improvement rate; then determining compaction energy for generating predetermined depression from depression distortion of the compaction object ground becoming an improvement ratio; then determining specification of vibration or impact energy satisfying the compaction energy; and performing the primary compaction and the secondary compaction based on the specification.SELECTED DRAWING: Figure 5
【課題】振動や衝撃による締固めの設計において、現場での試験施工に頼らず、事前に仕様を設定することができる砂質地盤締固め工法の仕様設定方法を提供する。【解決手段】砂質地盤を振動・衝撃により一次締固めした後で材料砂の圧入により二次締固めを行う砂質地盤締固め工法の仕様設定方法であって、締固めの対象地盤がどの種類に入るかを確認して必要な改良率を設定し、次に、改良率となる締固め対象地盤の沈下ひずみから所定の沈下を発生させるための締固めエネルギーを求め、次に、締固めエネルギーを満足させる振動或いは衝撃エネルギーの仕様を決定し、次に、仕様に基づいて一次締固めと二次締固めを実施する。【選択図】図５
SPECIFICATION SETTING METHOD OF SANDY GROUND COMPACTION METHOD
To provide a specification setting method of a sandy ground compaction method which can set previously specification without depending on test construction at the site, in a design of compaction by vibration and impact.SOLUTION: A specification setting method of a sandy ground compaction method for performing secondary compaction by press-fit of a sand material after primary compaction of a sand ground by vibration and impact has been performed includes: confirming which type includes an object ground of the compaction and setting a necessary improvement rate; then determining compaction energy for generating predetermined depression from depression distortion of the compaction object ground becoming an improvement ratio; then determining specification of vibration or impact energy satisfying the compaction energy; and performing the primary compaction and the secondary compaction based on the specification.SELECTED DRAWING: Figure 5
【課題】振動や衝撃による締固めの設計において、現場での試験施工に頼らず、事前に仕様を設定することができる砂質地盤締固め工法の仕様設定方法を提供する。【解決手段】砂質地盤を振動・衝撃により一次締固めした後で材料砂の圧入により二次締固めを行う砂質地盤締固め工法の仕様設定方法であって、締固めの対象地盤がどの種類に入るかを確認して必要な改良率を設定し、次に、改良率となる締固め対象地盤の沈下ひずみから所定の沈下を発生させるための締固めエネルギーを求め、次に、締固めエネルギーを満足させる振動或いは衝撃エネルギーの仕様を決定し、次に、仕様に基づいて一次締固めと二次締固めを実施する。【選択図】図５
SPECIFICATION SETTING METHOD OF SANDY GROUND COMPACTION METHOD
砂質地盤締固め工法の仕様設定方法
FUKADA HISASHI (author) / OBAYASHI ATSUSHI (author) / WATANABE EIJI (author) / IMAKIRE KENICHI (author)
2018-12-20
Patent
Electronic Resource
Japanese
IPC:
E02D
FOUNDATIONS
,
Gründungen
GROUND COMPACTION METHOD FOR SOFT SANDY GROUND AND GROUND COMPACTION DEVICE USED FOR THE METHOD
| European Patent Office | 2015
Liquefaction analyses of sandy ground improved by sand compaction piles
| British Library Online Contents | 1993
Liquefaction analyses of sandy ground improved by sand compaction piles
| Elsevier | 1993