A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
FILLING METHOD OF UNDERGROUND CAVITY PART
PROBLEM TO BE SOLVED: To provide a filling method capable of providing an excellent filling state, by restraining the occurrence of a gap by an air reservoir, even when an upper overflowing part and an upper projection part exist in filling of an underground buried pipe for filling a conduit such as a sewer, a water supply, a gas pipe, an electric wire pipe and an irrigation channel buried in the ground with a filler and filling of a cavity in an underground structure or a clearance generated around the structure.SOLUTION: Before injecting a filler, air in a cavity is substituted with a carbon dioxide gas, and is filled with the carbon dioxide gas. A construction method then injects the filler including one kind or two or more kinds of components among cement, quick lime and hydrated lime in the cavity. Since a calcium ion included in injected filler slurry is absorbed and solidified in the filler slurry after becoming calcium carbonate by reacting with the carbon dioxide gas remaining in an upper overflowing part and an upper projection part, the carbon dioxide gas is consumed and an air reservoir disappears.SELECTED DRAWING: Figure 4
【課題】地中に埋設された下水道、上水道、ガス管、電線管、用水路等の導管内に充填材を充填する地中埋設管の充填および地中の構造物内の空洞または構造物周囲に生じた隙間の充填において、上越し部や上部凸部が存在する場合であっても、空気溜りによる空隙の発生を抑制し、良好な充填状態を得ることができる充填工法を提供するものである。【解決手段】充填材の注入に先立って、空洞内の空気を二酸化炭素ガスに置換し、二酸化炭素ガスで満たす。次いでセメント、生石灰、消石灰のうち１種または２種以上の成分を含む充填材を該空洞内に注入する工法である。注入した充填材スラリー中に含まれるカルシウムイオンが、上越し部や上部凸部に残存する二酸化炭素ガスと反応して炭酸カルシウムになり充填材スラリー中に吸収・固化するため、二酸化炭素ガスが消費され空気溜りが消失する。【選択図】図４
FILLING METHOD OF UNDERGROUND CAVITY PART
PROBLEM TO BE SOLVED: To provide a filling method capable of providing an excellent filling state, by restraining the occurrence of a gap by an air reservoir, even when an upper overflowing part and an upper projection part exist in filling of an underground buried pipe for filling a conduit such as a sewer, a water supply, a gas pipe, an electric wire pipe and an irrigation channel buried in the ground with a filler and filling of a cavity in an underground structure or a clearance generated around the structure.SOLUTION: Before injecting a filler, air in a cavity is substituted with a carbon dioxide gas, and is filled with the carbon dioxide gas. A construction method then injects the filler including one kind or two or more kinds of components among cement, quick lime and hydrated lime in the cavity. Since a calcium ion included in injected filler slurry is absorbed and solidified in the filler slurry after becoming calcium carbonate by reacting with the carbon dioxide gas remaining in an upper overflowing part and an upper projection part, the carbon dioxide gas is consumed and an air reservoir disappears.SELECTED DRAWING: Figure 4
【課題】地中に埋設された下水道、上水道、ガス管、電線管、用水路等の導管内に充填材を充填する地中埋設管の充填および地中の構造物内の空洞または構造物周囲に生じた隙間の充填において、上越し部や上部凸部が存在する場合であっても、空気溜りによる空隙の発生を抑制し、良好な充填状態を得ることができる充填工法を提供するものである。【解決手段】充填材の注入に先立って、空洞内の空気を二酸化炭素ガスに置換し、二酸化炭素ガスで満たす。次いでセメント、生石灰、消石灰のうち１種または２種以上の成分を含む充填材を該空洞内に注入する工法である。注入した充填材スラリー中に含まれるカルシウムイオンが、上越し部や上部凸部に残存する二酸化炭素ガスと反応して炭酸カルシウムになり充填材スラリー中に吸収・固化するため、二酸化炭素ガスが消費され空気溜りが消失する。【選択図】図４
FILLING METHOD OF UNDERGROUND CAVITY PART
地下空洞部の充填工法
TERAMURA TOSHIFUMI (author)
2017-10-12
Patent
Electronic Resource
Japanese
FILLING SITUATION CHECKING APPARATUS OF UNDERGROUND CAVITY AND FILLING SITUATION CHECKING METHOD
| European Patent Office | 2018