Mechanical behavior of silicate-modified polyurethane/waterglass grout in fractured rock interface reinforcement at elevated temperatures

• Published in: Tunnelling and underground space technology Vol. 165; p. 106879
• Main Authors: Chao, Yuan, Qinhao, Huang, Junfeng, Liu, Shuchen, Li
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 01.11.2025
• Subjects: High temperature resistant; Mechanical Performance Testing; New type of grouting material; Rock reinforcement; High temperature resistant; Mechanical Performance Testing; Rock reinforcement; New type of grouting material

Grouting is an effective method for filling fractures and reinforcing rock masses. In deep underground engineering, grouting materials are subject to the adverse effects of high temperatures and large deformations during the curing stage, which can easily lead to the deterioration or even failure of...