A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
REINFORCEMENT CONSTRUCTION METHOD OF MASONRY RETAINING WALL
To provide a reinforcement construction method of a masonry retaining wall which can advantageously improve the strength of a masonry retaining wall, by constituting so as to perform connection of the masonry retaining wall firmly with respect to an inclined bedrock, while effectively forming a hardening layer of a urethane foam in a gap of a backing cobble stone layer.SOLUTION: In a masonry retaining wall 2 in which wedge stones 4 are piled up so as to be adjacent to each other on a front surface of an inclined bedrock 10 via backing cobble stones 6, a drilling rock bolt 20 is drilled from a bottom part of a head part storage recessed place formed in a joint part 8 between the wedge stones 4 and 4 to a predetermined depth reaching the inclined bedrock 10, and a hardening layer of a urethane foam 34 is formed around the drilling, and then, a head part portion of the drilling rock bolt 20 is fixed to the masonry retaining wall 2. Thereby, the connection between the masonry retaining wall 2 and the inclined bedrock 10 can be achieved.SELECTED DRAWING: Figure 1
【課題】裏込めグリ石層の隙間にウレタン発泡体の硬化層を効果的に形成しつつ、傾斜地山に対する、石積擁壁の連結を強固に行ない得るように構成することによって、石積擁壁の強度を有利に向上せしめ得るようにした石積擁壁の補強工法を提供する。【解決手段】傾斜地山１０の前面に、裏込めグリ石層６を介して、間知石４を相互に隣接するようにして積み上げてなる石積擁壁２において、間知石４，４間の目地部８に形成される頭部収容凹所の底部から、傾斜地山１０に達する所定深さまで穿孔ロックボルト２０を穿孔せしめ、その穿孔の周囲にウレタン発泡体３４の硬化層を形成した後、穿孔ロックボルト２０の頭部部位を石積擁壁２に固定することにより、石積擁壁２と傾斜地山１０との連結を図るようにした。【選択図】図１
REINFORCEMENT CONSTRUCTION METHOD OF MASONRY RETAINING WALL
To provide a reinforcement construction method of a masonry retaining wall which can advantageously improve the strength of a masonry retaining wall, by constituting so as to perform connection of the masonry retaining wall firmly with respect to an inclined bedrock, while effectively forming a hardening layer of a urethane foam in a gap of a backing cobble stone layer.SOLUTION: In a masonry retaining wall 2 in which wedge stones 4 are piled up so as to be adjacent to each other on a front surface of an inclined bedrock 10 via backing cobble stones 6, a drilling rock bolt 20 is drilled from a bottom part of a head part storage recessed place formed in a joint part 8 between the wedge stones 4 and 4 to a predetermined depth reaching the inclined bedrock 10, and a hardening layer of a urethane foam 34 is formed around the drilling, and then, a head part portion of the drilling rock bolt 20 is fixed to the masonry retaining wall 2. Thereby, the connection between the masonry retaining wall 2 and the inclined bedrock 10 can be achieved.SELECTED DRAWING: Figure 1
【課題】裏込めグリ石層の隙間にウレタン発泡体の硬化層を効果的に形成しつつ、傾斜地山に対する、石積擁壁の連結を強固に行ない得るように構成することによって、石積擁壁の強度を有利に向上せしめ得るようにした石積擁壁の補強工法を提供する。【解決手段】傾斜地山１０の前面に、裏込めグリ石層６を介して、間知石４を相互に隣接するようにして積み上げてなる石積擁壁２において、間知石４，４間の目地部８に形成される頭部収容凹所の底部から、傾斜地山１０に達する所定深さまで穿孔ロックボルト２０を穿孔せしめ、その穿孔の周囲にウレタン発泡体３４の硬化層を形成した後、穿孔ロックボルト２０の頭部部位を石積擁壁２に固定することにより、石積擁壁２と傾斜地山１０との連結を図るようにした。【選択図】図１
REINFORCEMENT CONSTRUCTION METHOD OF MASONRY RETAINING WALL
石積擁壁の補強工法
KANEDA MANABU (author) / MIYAZAWA MASATO (author) / TAKEUCHI SHOICHI (author) / OHATA YUKIHIRO (author) / SHIMOKAWA KAZUO (author)
2021-03-18
Patent
Electronic Resource
Japanese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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