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RISTheoretical and Experimental Analysis of Stress Variations in Precast Concrete Segment Linings during Double-Shield TBM Excavation of Subway Tunnels
Publisher: American Society of Civil Engineers
Abstract: During double-shield tunnel boring machine (DS-TBM) excavation of urban subway tunnels, backfilling with pea gravel and grouting is usually performed behind segment wall linings. However, insufficient pea gravel backfill ...