Title:
地盤評価方法および地盤評価装置
Document Type and Number:
Japanese Patent JP7390943
Kind Code:
B2
Abstract:
To provide a ground evaluation method and a ground evaluation device allowing physical property changes of the ground in association with drilling to be evaluated without additional ground investigations.SOLUTION: A ground evaluation method evaluating physical property changes of surroundings in association with drilling a hole comprises: a step S1 determining a property relating to an influenced area and a level of ground looseness using a previously acquired N value of the ground in association with drilling a hole and a distance from the drilled hole; a step S2 acquiring a N value of the objective ground from a result of a ground investigation performed before drilling the hole; a step S3 setting a distance from a hole to be drilled in the objective ground; and a step S4 evaluating the N value of the objective ground at the distance from the drilled hole by applying the N value of the objective ground and the distance from the hole to specified properties.SELECTED DRAWING: Figure 1
Inventors:
Yuhei Kurimoto
Yoshiharu Asaka
Yoshiharu Asaka
Application Number:
JP2020044298A
Publication Date:
December 04, 2023
Filing Date:
March 13, 2020
Export Citation:
Assignee:
Shimizu Construction Co., Ltd.
International Classes:
E02D1/02; E02D17/04
Domestic Patent References:
| JP2017014818A | ||||
| JP10237856A | ||||
| JP11211518A | ||||
| JP2020023819A |
Attorney, Agent or Firm:
Sakai International Patent Office