PREDICTION METHOD OF BASE LAYER DEPTH, AND PREDICTION SYSTEM OF BASE LAYER DEPTH: Fid-Bau Portal

PREDICTION METHOD OF BASE LAYER DEPTH, AND PREDICTION SYSTEM OF BASE LAYER DEPTH

KUSAKARI SHIGENAO

To improve accuracy of an estimated base layer depth.SOLUTION: A prediction method of a base layer depth includes: an estimated depth calculation step S30 of calculating an estimated depth of a base layer at a construction position of a plurality of support bodies based on previous measurement results; an estimated depth record step S40 of recording the calculated estimated depth into record means having a record structure to which a positional relationship of the construction positions of the plurality of support bodies is reflected; an actual depth record step S50 of recording an actual depth of the base layer at the construction position of the plurality of support bodies that is found during the construction into the record means; and an estimated depth update step S60 of correcting the estimated depth at a construction position where an actual depth is not found, among other construction positions that are positioned near the construction position whose actual depth is to be recorded based on the actual depth at the construction position whose actual depth is to be recorded, when recording the actual depth, to reflect it to the record means. Thus, an accuracy of the estimated base layer depth at a construction position of each support body can be improved.SELECTED DRAWING: Figure 2

【課題】基盤層の推定深度の精度を高める。【解決手段】基盤層深度予測方法は、事前測量の結果に基づいて複数の支持体の造成位置における基盤層の推定深度を算出する推定深度算出工程Ｓ３０と、算出した推定深度を、複数の支持体の造成位置の位置関係が反映された記録構造を有する記録手段へ記録する推定深度記録工程Ｓ４０と、施工中に判明した複数の支持体の造成位置における基盤層の実績深度を記録手段へ記録する実績深度記録工程Ｓ５０と、実績深度を記録するときに、その実績深度記録対象の造成位置の近傍に位置する他の造成位置のうち、実績深度が判明していない実績深度未判明の造成位置の推定深度を、実績深度記録対象の造成位置の実績深度に基づいて補正して、記録手段へ反映する推定深度更新工程Ｓ６０とを含む。これにより、各支持体の造成位置における基盤層の推定深度の精度を高めることができる。【選択図】図２

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