RAISING MEMBER OF MANHOLE, RAISING METHOD OF MANHOLE AND MANHOLE: Fid-Bau Portal

RAISING MEMBER OF MANHOLE, RAISING METHOD OF MANHOLE AND MANHOLE

TANAKA SUSUMU

PROBLEM TO BE SOLVED: To make it possible to perform raising which eliminates the need for digging conventionally performed in raising operation for a cover of a recessed manhole and others so as to reduce a construction period and cost.SOLUTION: A raising member is included between a cover of a manhole and a receiving frame in which the manhole is placed. The raising member is provided with a fitting part supported inside a cylindrical part of the receiving frame and a receiving part for supporting the cover of the manhole. The external diameter of the receiving part is larger than that of the fitting part, and in the receiving part a vertical hole penetrating a wall for composing the receiving part is formed, and the lower end of the vertical hole is exposed to a lower step part formed as the external diameter of the receiving part is larger than that of the fitting part. In the fitting part, a groove is formed in the surface of an exterior wall for composing the fitting part, or a cave hole penetrating a wall for composing the fitting part is formed.SELECTED DRAWING: Figure 2

【課題】陥没したマンホールの蓋等の嵩上げ処理で、従来行われていた掘削が不要な嵩上げが行え、工期の短縮、コストダウンを図る。【解決手段】マンホールの蓋とマンホールを設置している受枠の間に、嵩上げ部材を介在させる。嵩上げ部材は、受枠の筒状部内部で支持される嵌め込み部と、マンホール蓋を支持する受部とを有している。受部の外径は嵌め込み部の外径より大きく、前記受部には、当該受部を構成する壁を貫通する縦穴が形成され、前記縦穴の下端部は、前記受部の外径が嵌め込み部の外径より大きいことにより形成されている下側段部に露出している。また、前記嵌め込み部には、当該嵌め込み部を構成する外壁表面に溝が形成されているか、または当該嵌め込み部を構成する壁を貫通する横穴が形成されていることを特徴とする【選択図】図２

Zugriff

Download

Seitennavigation

Dokumentinformationen

Ähnliche Titel

Exportieren, teilen und zitieren