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A platform for research: civil engineering, architecture and urbanism
LATERAL PRESSURE EVALUATION METHOD OF RETAINING WALL, AND LATERAL PRESSURE EVALUATION DEVICE
To provide a lateral pressure evaluation method of a retaining wall capable of easily obtaining realistic depth distribution of lateral pressure at the excavation side at each excavation stage, and a lateral pressure evaluation device.SOLUTION: The lateral pressure evaluation method of a retaining wall is a method for evaluating the lateral pressure at the excavation side, which acts on a retaining wall 3 when excavating the ground with predetermined excavation width B, depth L at a depth h. The excavation side lateral pressure at each excavation stage is obtained by applying vertical stress σz at a predetermined distance from retaining wall 3 to the excavation side to the formula of Rankine-Resal method while considering the effect of residual stress of lateral stress σh at the time of unloading.SELECTED DRAWING: Figure 1
【課題】各次掘削段階についてより現実に即した掘削側側圧の深度分布を簡易に求めることのできる山留め壁の側圧評価方法および側圧評価装置を提供する。【解決手段】地盤を所定の掘削幅Ｂ、奥行きＬ、深さｈで掘削した際の山留め壁３に作用する掘削側側圧を評価する方法であって、ランキン・レザール法による計算式に、山留め壁３から掘削側に所定の距離だけ離れた位置における鉛直応力σｚを適用するとともに、除荷時における側方応力σｈの残留応力の効果を考慮して、各次掘削段階の掘削側側圧を求めるようにする。【選択図】図１
LATERAL PRESSURE EVALUATION METHOD OF RETAINING WALL, AND LATERAL PRESSURE EVALUATION DEVICE
To provide a lateral pressure evaluation method of a retaining wall capable of easily obtaining realistic depth distribution of lateral pressure at the excavation side at each excavation stage, and a lateral pressure evaluation device.SOLUTION: The lateral pressure evaluation method of a retaining wall is a method for evaluating the lateral pressure at the excavation side, which acts on a retaining wall 3 when excavating the ground with predetermined excavation width B, depth L at a depth h. The excavation side lateral pressure at each excavation stage is obtained by applying vertical stress σz at a predetermined distance from retaining wall 3 to the excavation side to the formula of Rankine-Resal method while considering the effect of residual stress of lateral stress σh at the time of unloading.SELECTED DRAWING: Figure 1
【課題】各次掘削段階についてより現実に即した掘削側側圧の深度分布を簡易に求めることのできる山留め壁の側圧評価方法および側圧評価装置を提供する。【解決手段】地盤を所定の掘削幅Ｂ、奥行きＬ、深さｈで掘削した際の山留め壁３に作用する掘削側側圧を評価する方法であって、ランキン・レザール法による計算式に、山留め壁３から掘削側に所定の距離だけ離れた位置における鉛直応力σｚを適用するとともに、除荷時における側方応力σｈの残留応力の効果を考慮して、各次掘削段階の掘削側側圧を求めるようにする。【選択図】図１
LATERAL PRESSURE EVALUATION METHOD OF RETAINING WALL, AND LATERAL PRESSURE EVALUATION DEVICE
山留め壁の側圧評価方法および側圧評価装置
NIGIRIKAWA NAOHIRO (author) / ASAKA MIHARU (author)
2020-12-10
Patent
Electronic Resource
Japanese
IPC:
E02D
FOUNDATIONS
,
Gründungen
LATERAL PRESSURE EVALUATION METHOD OF RETAINING WALL, AND LATERAL PRESSURE EVALUATION DEVICE
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