A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
SUPPORTING LAYER DETERMINATION DEVICE, DETERMINATION SYSTEM, DETERMINATION METHOD, AND PROGRAM
To improve the reliability of construction of cast-in-place concrete piles using an earth drill method.SOLUTION: A determination device (20) determines whether the depth of excavation by a bucket has reached a support layer during construction using an earth drill method. The determination device includes a calculation unit (23) that calculates an energy index value required for excavation for each predetermined excavation depth from excavation data during construction, a storage unit (24) that stores the correspondence between the energy index value and the N value obtained from excavation data from the previous construction deeper than the assumed depth of the supporting layer, a conversion unit (25) that converts the energy index value obtained from the excavation data during the current construction deeper than the assumed depth of the supporting layer into a pseudo N value according to the correspondence relationship, and a determination unit (26) that determines whether the excavation depth has reached the support layer by comparing the pseudo N value deeper than the assumed depth of the support layer with the determination threshold value.SELECTED DRAWING: Figure 2
【課題】アースドリル工法による場所打ちコンクリート杭の施工の信頼性を向上する。【解決手段】判定装置（２０）は、アースドリル工法による施工時にバケットによる掘削深度が支持層に到達したかを判定する。判定装置には、施工時の掘削データから所定の掘削深度毎に掘削に要するエネルギー指標値を算出する算出部（２３）と、支持層の想定深度以深の前回施工時の掘削データから求めたエネルギー指標値とＮ値の対応関係を記憶する記憶部（２４）と、支持層の想定深度以深の今回施工時の掘削データから求めたエネルギー指標値を対応関係に従って疑似Ｎ値に変換する変換部（２５）と、支持層の想定深度以深の疑似Ｎ値と判定閾値を比較して掘削深度が支持層に到達したかを判定する判定部（２６）と、が設けられている。【選択図】図２
SUPPORTING LAYER DETERMINATION DEVICE, DETERMINATION SYSTEM, DETERMINATION METHOD, AND PROGRAM
To improve the reliability of construction of cast-in-place concrete piles using an earth drill method.SOLUTION: A determination device (20) determines whether the depth of excavation by a bucket has reached a support layer during construction using an earth drill method. The determination device includes a calculation unit (23) that calculates an energy index value required for excavation for each predetermined excavation depth from excavation data during construction, a storage unit (24) that stores the correspondence between the energy index value and the N value obtained from excavation data from the previous construction deeper than the assumed depth of the supporting layer, a conversion unit (25) that converts the energy index value obtained from the excavation data during the current construction deeper than the assumed depth of the supporting layer into a pseudo N value according to the correspondence relationship, and a determination unit (26) that determines whether the excavation depth has reached the support layer by comparing the pseudo N value deeper than the assumed depth of the support layer with the determination threshold value.SELECTED DRAWING: Figure 2
【課題】アースドリル工法による場所打ちコンクリート杭の施工の信頼性を向上する。【解決手段】判定装置（２０）は、アースドリル工法による施工時にバケットによる掘削深度が支持層に到達したかを判定する。判定装置には、施工時の掘削データから所定の掘削深度毎に掘削に要するエネルギー指標値を算出する算出部（２３）と、支持層の想定深度以深の前回施工時の掘削データから求めたエネルギー指標値とＮ値の対応関係を記憶する記憶部（２４）と、支持層の想定深度以深の今回施工時の掘削データから求めたエネルギー指標値を対応関係に従って疑似Ｎ値に変換する変換部（２５）と、支持層の想定深度以深の疑似Ｎ値と判定閾値を比較して掘削深度が支持層に到達したかを判定する判定部（２６）と、が設けられている。【選択図】図２
SUPPORTING LAYER DETERMINATION DEVICE, DETERMINATION SYSTEM, DETERMINATION METHOD, AND PROGRAM
支持層の判定装置、判定システム、判定方法、プログラム
OGAWA ATSUSHI (author) / MORI TOSHIHIRO (author) / ARAMOMI MINORU (author) / AOKI HIROYUKI (author) / NAKAZATO TAISUKE (author) / MEJI RYUNOSUKE (author)
2024-05-14
Patent
Electronic Resource
Japanese
IPC:
E02D
FOUNDATIONS
,
Gründungen
| European Patent Office | 2019
DOOR DEVICE, DETERMINATION DEVICE, DETERMINATION METHOD AND DETERMINATION PROGRAM
| European Patent Office | 2021
| European Patent Office | 2023
| European Patent Office | 2024