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EARTH RETAINING MEMBER AND EARTH RETAINING STRUCTURE
To provide an earth retaining member and an earth retaining structure capable of securing strength of a connection part in the circumferential direction.SOLUTION: An earth retaining member has a body whose cross-sectional shape perpendicular to the first direction is worked in a wave shape and plate-like vertical flange parts set at both ends of the first direction of the body. The vertical flange parts are connected with each other by bolts to form an earth retaining structure. The body has lateral flange parts which are formed at both ends in the width direction of the main body perpendicular to the first direction and are formed with connection holes penetrating through a face perpendicular to the width direction. In a cross section perpendicular to the first direction, a section modulus Z1 of the body when a neutral axis of the cross section of the body is parallel to the width direction, and in a cross section perpendicular to the width direction of the main body, a section modulus Z2 when the neutral axis of the cross section of the vertical flange is parallel to the thickness direction of the body are defined. When a factor based on a bearing area ratio of the bolts fastened to the vertical flange part is assumed as K, and a factor determined according to the number of set bolts set to the vertical flange part is assumed as α, the section modulus Z2 satisfies a relation of 2Z2×K×α>Z1 ... (1).SELECTED DRAWING: Figure 4
【課題】周方向の接続部の強度を確保できる土留部材及び土留構造を提供する。【解決手段】本発明に係る土留部材は、第１方向に垂直な断面形状が波形に加工された本体と、本体の第１方向の両端に設置された平板状の縦フランジ部と、を備え、縦フランジ部同士をボルトで連結して土留構造を形成する土留部材であって、本体は、第１方向に直交する本体の幅方向の両端のそれぞれに形成され、幅方向に対し垂直な面に貫通する連結孔が形成された横フランジ部を備え、第１方向に垂直な断面において、本体の断面の中立軸が幅方向に平行であるときの本体の断面係数Ｚ１と、本体の幅方向に垂直な断面において、縦フランジ部の断面の中立軸が本体の厚さ方向に平行であるときの断面係数Ｚ２とを規定し、縦フランジ部に締結されるボルトの支圧面積比に基づく係数をＫ、縦フランジ部に設置されるボルト設置数に応じて決まる係数をα、としたときに、断面係数Ｚ２は、２Ｚ２×Ｋ×α＞Ｚ１・・・ （１）の関係を満たす。【選択図】図４
EARTH RETAINING MEMBER AND EARTH RETAINING STRUCTURE
To provide an earth retaining member and an earth retaining structure capable of securing strength of a connection part in the circumferential direction.SOLUTION: An earth retaining member has a body whose cross-sectional shape perpendicular to the first direction is worked in a wave shape and plate-like vertical flange parts set at both ends of the first direction of the body. The vertical flange parts are connected with each other by bolts to form an earth retaining structure. The body has lateral flange parts which are formed at both ends in the width direction of the main body perpendicular to the first direction and are formed with connection holes penetrating through a face perpendicular to the width direction. In a cross section perpendicular to the first direction, a section modulus Z1 of the body when a neutral axis of the cross section of the body is parallel to the width direction, and in a cross section perpendicular to the width direction of the main body, a section modulus Z2 when the neutral axis of the cross section of the vertical flange is parallel to the thickness direction of the body are defined. When a factor based on a bearing area ratio of the bolts fastened to the vertical flange part is assumed as K, and a factor determined according to the number of set bolts set to the vertical flange part is assumed as α, the section modulus Z2 satisfies a relation of 2Z2×K×α>Z1 ... (1).SELECTED DRAWING: Figure 4
【課題】周方向の接続部の強度を確保できる土留部材及び土留構造を提供する。【解決手段】本発明に係る土留部材は、第１方向に垂直な断面形状が波形に加工された本体と、本体の第１方向の両端に設置された平板状の縦フランジ部と、を備え、縦フランジ部同士をボルトで連結して土留構造を形成する土留部材であって、本体は、第１方向に直交する本体の幅方向の両端のそれぞれに形成され、幅方向に対し垂直な面に貫通する連結孔が形成された横フランジ部を備え、第１方向に垂直な断面において、本体の断面の中立軸が幅方向に平行であるときの本体の断面係数Ｚ１と、本体の幅方向に垂直な断面において、縦フランジ部の断面の中立軸が本体の厚さ方向に平行であるときの断面係数Ｚ２とを規定し、縦フランジ部に締結されるボルトの支圧面積比に基づく係数をＫ、縦フランジ部に設置されるボルト設置数に応じて決まる係数をα、としたときに、断面係数Ｚ２は、２Ｚ２×Ｋ×α＞Ｚ１・・・ （１）の関係を満たす。【選択図】図４
EARTH RETAINING MEMBER AND EARTH RETAINING STRUCTURE
土留部材及び土留構造
HAYASHI MASAHIRO (author) / WAKAYAMA TAKAHIRO (author) / KAMAZAKI YUJI (author)
2023-04-14
Patent
Electronic Resource
Japanese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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