Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
FLOTATION PREVENTION DEVICE AND FLOTATION PREVENTION METHOD OF MANHOLE
PROBLEM TO BE SOLVED: To provide a device and a method for preventing flotation of a manhole in a ground change such as liquefaction phenomenon of the foundation.SOLUTION: A device for preventing flotation of a manhole by increasing the weight of the manhole more than the buoyancy generated in a ground change such as liquefaction phenomenon against a manhole peripheral wall 1 and a bottom part U comprises a plurality of storage bodies 2 and 22 and weights 3a and 3b. The storage bodies 2 and 22 have a storage part for storing the weights 3a and 3b, and each partition wall for surrounding the upper part, the lower part and four sides of the storage bodies 2 and 22 has a connection part for connecting with other adjacent storage bodies 2 and 22. Any of each partition wall is attached to be freely opened and closed so as to open the storage part, and each storage body 2 and 22 is arranged almost over the whole circumference of the inner peripheral side of the manhole peripheral wall 1.SELECTED DRAWING: Figure 1
【課題】本発明は、地盤の液状化現象等の地盤変化におけるマンホールの浮上防止装置、および浮上防止工法を提供することにある。【解決手段】マンホールの重量をマンホール周壁１や底部Ｕに対し、液状化現象等の地盤変化で発生する浮力よりも大きくしてマンホールの浮上を防止する装置であって、複数の収容体２，２２と重り３ａ，３ｂを備えており、収容体２，２２は、重り３ａ，３ｂを入れる収容部を有しており、収容体２，２２の上部と下部と四周と囲む各隔壁には、隣接する他の収容体２，２２と連結する連結部を有しており、各隔壁のいずれかは、開閉自在に取り付けてあることにより、収容部を開放することができ、各収容体２，２２は、マンホール周壁１の内周側のほぼ全周に亘って配置してあることを特徴とする。【選択図】図１
FLOTATION PREVENTION DEVICE AND FLOTATION PREVENTION METHOD OF MANHOLE
PROBLEM TO BE SOLVED: To provide a device and a method for preventing flotation of a manhole in a ground change such as liquefaction phenomenon of the foundation.SOLUTION: A device for preventing flotation of a manhole by increasing the weight of the manhole more than the buoyancy generated in a ground change such as liquefaction phenomenon against a manhole peripheral wall 1 and a bottom part U comprises a plurality of storage bodies 2 and 22 and weights 3a and 3b. The storage bodies 2 and 22 have a storage part for storing the weights 3a and 3b, and each partition wall for surrounding the upper part, the lower part and four sides of the storage bodies 2 and 22 has a connection part for connecting with other adjacent storage bodies 2 and 22. Any of each partition wall is attached to be freely opened and closed so as to open the storage part, and each storage body 2 and 22 is arranged almost over the whole circumference of the inner peripheral side of the manhole peripheral wall 1.SELECTED DRAWING: Figure 1
【課題】本発明は、地盤の液状化現象等の地盤変化におけるマンホールの浮上防止装置、および浮上防止工法を提供することにある。【解決手段】マンホールの重量をマンホール周壁１や底部Ｕに対し、液状化現象等の地盤変化で発生する浮力よりも大きくしてマンホールの浮上を防止する装置であって、複数の収容体２，２２と重り３ａ，３ｂを備えており、収容体２，２２は、重り３ａ，３ｂを入れる収容部を有しており、収容体２，２２の上部と下部と四周と囲む各隔壁には、隣接する他の収容体２，２２と連結する連結部を有しており、各隔壁のいずれかは、開閉自在に取り付けてあることにより、収容部を開放することができ、各収容体２，２２は、マンホール周壁１の内周側のほぼ全周に亘って配置してあることを特徴とする。【選択図】図１
FLOTATION PREVENTION DEVICE AND FLOTATION PREVENTION METHOD OF MANHOLE
マンホールの浮上防止装置と、浮上防止工法
OTSUGA NORIO (Autor:in)
15.12.2016
Patent
Elektronische Ressource
Japanisch
IPC:
E02D
FOUNDATIONS
,
Gründungen
SPACER, FLOTATION PREVENTION TOOL, AND FLOTATION PREVENTION METHOD OF SPACER
| Europäisches Patentamt | 2022