Inventor
YU FENGHAI
CN6 patents
Patents
6 patentsUS12099038B1Sep 24, 2024
Test system and method for anchoring performance of full-size rock mass anchor bolt under combined load
UNIV SHANDONG SCIENCE & TECH3 citations71
US11067392B2Jul 20, 2021
Anchor bolt length determination method based on monitoring of roof rock stratum horizontal extrusion force
UNIV SHANDONG SCIENCE & TECH2 citations71
US11859493B2Jan 2, 2024
Device for monitoring horizontal extrusion force of roof rock strata and method using the same
UNIV SHANDONG SCIENCE & TECH0 citations47
US10969314B2Apr 6, 2021
Device and method for anchor bolt (cable) supporting structure test and anchoring system performance comprehensive experiment
UNIV SHANDONG SCIENCE & TECH0 citations47
US11703432B2Jul 18, 2023
In-situ test device for surrounding rock strength of bolt supported roadway and method thereof
UNIV SHANDONG SCIENCE & TECH0 citations45
US12129760B2Oct 29, 2024
Multi-stage pressure yielding and anti-impact device for anchoring support
UNIV SHANDONG SCIENCE & TECH0 citations41