A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
INJECTION METHOD AND DEVICE FOR TUNNEL BACK-FILLING MATERIAL, AND BACK-FILLING MATERIAL
To provide a back-filling material injection device capable of reliably and efficiently injecting a high-strength back-filling material into a back-filling part.SOLUTION: A back-filling material injection device 10 comprises: a mixer 16 for forming a gel-like aggregate body by mixing aggregate, water and a micelle agent; a mixer 24 for forming cement gel by mixing cement and water or cement, water and the micelle agent; an aggregate gel press-feeding pump 12 for press-feeding the gel-like aggregate body to the vicinity of the facing of a tunnel 4; a cement gel press-feeding pump 21 for press-feeding the cement gel to the facing of the tunnel 4; a mixer tank 40 for forming a back-filling material 7a by mixing the gel-like aggregate body and the cement gel; and a back-filling injection pipe 8 for injecting the mixed back-filling material 7a into a back-filling part 7 of the tunnel 4.SELECTED DRAWING: Figure 1
【課題】裏込め部に高強度の裏込め材を確実かつ効率的に注入可能な裏込め材注入装置を提供する。【解決手段】裏込め材注入装置１０は、骨材、水、及びミセル剤を混合してジェル状骨材体を作成するミキサー１６と、セメント、水、あるいはセメント、水及びミセル剤を混合してセメントジェルを作成するミキサー２４と、ジェル状骨材体をトンネル４の切羽付近まで圧送する骨材ジェル圧送ポンプ１２と、セメントジェルをトンネル４の切羽付近まで圧送するセメントジェル圧送ポンプ２１と、ジェル状骨材体とセメントジェルを混合して裏込め材７ａを作成するミキサータンク４０と、混合された裏込め材７ａをトンネル４の裏込め部７に注入する裏込め注入管８と、を備える。【選択図】図１
INJECTION METHOD AND DEVICE FOR TUNNEL BACK-FILLING MATERIAL, AND BACK-FILLING MATERIAL
To provide a back-filling material injection device capable of reliably and efficiently injecting a high-strength back-filling material into a back-filling part.SOLUTION: A back-filling material injection device 10 comprises: a mixer 16 for forming a gel-like aggregate body by mixing aggregate, water and a micelle agent; a mixer 24 for forming cement gel by mixing cement and water or cement, water and the micelle agent; an aggregate gel press-feeding pump 12 for press-feeding the gel-like aggregate body to the vicinity of the facing of a tunnel 4; a cement gel press-feeding pump 21 for press-feeding the cement gel to the facing of the tunnel 4; a mixer tank 40 for forming a back-filling material 7a by mixing the gel-like aggregate body and the cement gel; and a back-filling injection pipe 8 for injecting the mixed back-filling material 7a into a back-filling part 7 of the tunnel 4.SELECTED DRAWING: Figure 1
【課題】裏込め部に高強度の裏込め材を確実かつ効率的に注入可能な裏込め材注入装置を提供する。【解決手段】裏込め材注入装置１０は、骨材、水、及びミセル剤を混合してジェル状骨材体を作成するミキサー１６と、セメント、水、あるいはセメント、水及びミセル剤を混合してセメントジェルを作成するミキサー２４と、ジェル状骨材体をトンネル４の切羽付近まで圧送する骨材ジェル圧送ポンプ１２と、セメントジェルをトンネル４の切羽付近まで圧送するセメントジェル圧送ポンプ２１と、ジェル状骨材体とセメントジェルを混合して裏込め材７ａを作成するミキサータンク４０と、混合された裏込め材７ａをトンネル４の裏込め部７に注入する裏込め注入管８と、を備える。【選択図】図１
INJECTION METHOD AND DEVICE FOR TUNNEL BACK-FILLING MATERIAL, AND BACK-FILLING MATERIAL
トンネルの裏込め材注入方法及び装置、裏込め材
OTSUKA TAKAYOSHI (author) / KONDO NORIO (author) / KOIZUMI TAKUYA (author) / KASHIMA YUTAKA (author) / SUZUKI MASAHIKO (author) / TERAI HISATO (author) / ISHII HIROAKI (author)
2022-07-25
Patent
Electronic Resource
Japanese
STRENGTH MANAGEMENT METHOD OF BACK FILLING MATERIAL AND METHOD OF BACK FILLING IN GROUND
| European Patent Office | 2018