Title:
CONSTRUCTION METHOD OF RAFT FOUNDATION AND RAFT FOUNDATION STRUCTURE
Document Type and Number:
Japanese Patent JP2019143315
Kind Code:
A
Abstract:
To provide a construction method of a raft foundation and a raft foundation structure allowing productivity and in-site workability to be improved, construction cost to be reduced, and construction period to be reduced through securing connection strength between an inner foundation and a bottom base, and standardizing the inner foundation.SOLUTION: A construction method of a raft foundation provided at least with a concrete bottom base 10 and an outer foundation and an inner foundation comprises: a first step of arranging a plurality of precast concrete materials 40 without connecting each other, the precast concrete materials 40 composing the inner foundation, which is provided with a concrete body 41, leg parts 42 extending downward from the concrete body, and a plurality of vertical bars 43 of which one end are buried in the concrete body and the other end extend downward from the concrete body and bend; a second step of binding the vertical bars 43 and bottom base bars 11; and a third step of integrating the bottom base and the inner foundation through filling concrete in a lower part of the concrete body 41 to such an extent the lower part is fully filled.SELECTED DRAWING: Figure 2
Inventors:
SHIMIZU MASAHIKO
Application Number:
JP2018026552A
Publication Date:
August 29, 2019
Filing Date:
February 19, 2018
Export Citation:
Assignee:
SHIMIZU MASAHIKO
International Classes:
E02D27/01
Domestic Patent References:
| JP2011064047A | 2011-03-31 | |||
| JP2002105969A | 2002-04-10 | |||
| JP2017179972A | 2017-10-05 | |||
| JP2016089509A | 2016-05-23 | |||
| JP2002047661A | 2002-02-15 | |||
| JPH10219708A | 1998-08-18 |
Attorney, Agent or Firm:
Toru Unno