芯材、及び、上側芯材撤去方法

Japanese Patent JP7384755

B2

To provide a simplified connection structure of an upper side core material to be removed with a lower side core material to be left.SOLUTION: A core material 4 for an earth retaining wall 1 has an upper side core material 11, a lower side core material 12, a splice plate 15, upper part fixing means 14b fixing the upper part of the splice plate 15 and an outer face of the upper side core material 11, and lower part fixing means 14a fixing the lower part of the splice plate 15 and an outer face of the lower side core material 12. The splice plate 15 has a first cutout part 21 formed on the right side of the lower part of the splice plate 15 and extended from an edge part 15a of the splice plate 15, and a first through-hole 22 formed on the left side of the lower part of the splice plate 15. The lower side core material 12 has a second through-hole 23 formed on the right side of the outer face of the lower side core material 12, and a second cutout part 24 formed on the left side of the outer face of the lower side core material 12 and extended from an edge part 12ba of the outer face of the lower side core material 12. The lower part fixing means 14a includes a first bolt 16 penetrating through the first cutout part 21 and the second through-hole 23 and a second bolt 17 penetrating through the first through-hole 22 and the second cutout part 24.SELECTED DRAWING: Figure 2

Masamichi Yasunaga

JP2020108651A

November 21, 2023

June 24, 2020

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Kashima Construction Co., Ltd.

E02D5/20

JP2015063812A
JP2000248548A
JP2017066836A
JP2001146756A
JP2015063813A

Moriaki Ogawa
Haruyuki Nishiyama
Mitsuji Sekiya
Shoichi Okuyama
Tetsuo Matsushima
Ayako Nakamura
Soji Morimoto
Yu Tanaka
Koichi Tokumoto
Kunitoshi Takuma
Kohei Arihara

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