Recyclable sand-consolidated anchor head prestressed anchor, anchorage jack and its application method

US10794184B2 · kind B2 · utility

Assignees

• Institute of Rock and Soil Mechanics, Chinese Academy of Sciences · CN
• Sanming Road and Bridge Group Co. Ltd. · CN
• Guangxi Beitou Transportation Maintenance Technology Group Co., Ltd. · CN
• Foshan Sanlongwan Urban Construction Co. Ltd. · CN

Inventors

• Guanhua Sun · Tuji, CN
• Yinghao SUN · 红钢城街道, CN
• SHAN-HENG LIN · Zhongpu, TW
• Yongtao Yang · Hangzhou City, CN
• Hong Zheng · 红钢城街道, CN
• Chunguang Li · Scarborough, CA
• Fuxing Liao · Sanyuan District, CN
• Junhui Luo · Nanning, CN
• Qinglin Chen · Longbeilingcun, CN
• Yi Xiong · Houston, US

Key dates

• Filing date: Jul 23, 2019
• Grant date: Oct 6, 2020
• Expiry date: Jul 23, 2039

Classification

• Technology area (CPC E): Fixed Constructions
• CPC primary: E02D2250/0046
• WIPO field: Civil engineering
• WIPO sector: Other fields

Abstract

The invention discloses a retrievable sand consolidation anchor head prestressed anchor rod, an anchoring jack and an application method thereof, and belongs to the technical field of geotechnical engineering. The retrievable sand-consolidated anchor head pre-stressed anchor includes a bolt body 6, a rigid frame 5, a load member 1, a sand column 2, a pressure receiving member 4, a cut-off member 3, and an anchor pier 8. The anchoring jack includes a force transmitting frame 12, a first guiding plate 25, a second guiding plate 28, and a housing 13. The application method includes an anchoring method using the retrievable sand-consolidated anchor head prestressed anchor rod and a method of recovering the retrievable sand-consolidated anchor head pre-stressed anchor rod. After the anchoring of the reclaimed sand-consolidated anchor head pre-stressed anchor rod, the bolt body can be recovered and reused, and the operation is simpler and more environmentally friendly.