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Strain Distribution of Dowel-Type Connections Reinforced with Self-Tapping Screws
Publisher: ASCE
Abstract: Current limited guidance on the selection of screws together with undefined design specifications restricts the effectiveness of self-tapping screws as reinforcement on timber members to control crack propagation. Using ...
Using Calcium Carbonate Whisker in Hybrid Fiber-Reinforced Cementitious Composites
Publisher: American Society of Civil Engineers
Abstract: The multiscale nature and multiscale cracking behavior of cementitious composite determine its micro-, meso-, and macroperformance. A new kind of fiber hybridization containing steel fiber, polyvinyl alcohol (PVA) fiber, ...
Prediction of the Maximum Wave Elevation in Moraine-Dammed Lakes during Resonant Earthquake Excitation
Publisher: ASCE
Abstract: Large-amplitude water waves can be generated in small lakes, such as moraine-dammed lakes, by resonant earthquake excitation, which may cause the overtopping failure of natural dams and result in destructive floods in ...
Reuse of Discharged Soil from Slurry Shield Tunnel Construction as Synchronous Grouting Material
Publisher: ASCE
Abstract: Soil discharged from slurry shield tunnel construction has put great pressure on the environment and construction cost because of the increasing number of shield tunnel projects in cities. This paper aims to investigate ...
Effect of Roughness on the Bond Behavior between Ultrahigh-Performance Engineered Cementitious Composites and Old Concrete
Publisher: ASCE
Abstract: An ultrahigh-performance engineered cementitious composite (UHP-ECC) is a cementitious composite with both high compressive strength and tensile ductility, which has been regarded as a promising strengthening material for ...
Failure Mechanism and Countermeasures of an Operational Railway Tunnel Invert in Horizontally Stratified Rock Masses
Publisher: ASCE
Abstract: Invert anomaly has become a typical problem of railway tunnels in stratified rock during operations, which seriously affects the transportation capacity of railroad lines. This paper will study the failure mechanism and ...
Performance Evaluation of Modified Cement-Sodium Silicate Grouting Material for Prereinforcing Loose Deposit Tunnels
Publisher: American Society of Civil Engineers
Abstract: In grouting practices for tunneling in loose deposits, the traditional grouting materials often suffer from its disadvantages, such as prolonged gel times, poor stability, an uncontrollable range of diffusion, and large ...