Basalt fiber anchoring system with accurate sectioned grouting and mounting method thereof

US11713553B2 · kind B2 · utility

Assignee

• Wuhan Center, China Geological Survey (Central South China Innovation Center for Geosciences) · CN

Inventors

• Zhenwei Dai · 红钢城街道, CN
• Shengtao Zhou · 红钢城街道, CN
• Xiaolin Fu · 红钢城街道, CN
• Yanjun Zhang · Shanghai, CN
• Anle Zhang · 红钢城街道, CN
• Jinjun Guo · 红钢城街道, CN

Key dates

• Filing date: Dec 23, 2021
• Grant date: Aug 1, 2023
• Expiry date: Jan 27, 2042

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02A10/23
• WIPO field: Civil engineering
• WIPO sector: Other fields

Abstract

A basalt fiber anchoring system with accurate sectioned grouting includes: a plurality of first base plates arranged in an anchoring borehole, where every two first base plates are arranged at an upper end and a lower end of a section to be grouted respectively; a plurality of basalt fiber reinforced plastics (BFRP) penetrating the plurality of first base plates; and a grouting device including a valve pipe and a grouting core pipe, where the valve pipe penetrates all the first base plates, a plurality of grouting ports are defined in a pipe wall of the valve pipe, each of the plurality of grouting ports is covered with an elastic sheath, the grouting core pipe is sleeved with two grout stop sealing plugs at intervals, a plurality of grout outlets are provided between the two grout stop sealing plugs.