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Pressure Sintering of Si3N4 System for Near-Net Shape Forming
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Yttria and alumina have been used with particular success, either singly or in combination, as densification aids for hot pressing and sintering of silicon nitride. To obtain desirable mechanical, ...
Evaluation of Cement-Based Grout for Reinforcing Unsafe Rocks of Stone Carvings at Hangzhou Klippe in China
Publisher: American Society of Civil Engineers
Abstract: Cement-based grouting materials can be applied to reinforce unsafe rocks of stone carvings that are attached to or carved out of cliffs. However, studies on the evaluation, that is, the pros and cons of the applied grouting ...
Effect of Biogenic Gas Formation through Microbial Induced Desaturation and Precipitation on the Static Response of Sands with Varied Relative Density
Publisher: ASCE
Abstract: Several monotonic triaxial consolidated drained (CD) and consolidated undrained (CU) tests were conducted to investigate the effect of biogenic gas formation through microbial-induced denitrification on the mechanical ...
Characterization of Crude Bacterial Urease for CaCO3 Precipitation and Cementation of Silty Sand
Publisher: ASCE
Abstract: Biocementation catalyzed by ureolytic bacteria or enzyme urease is a promising technique for the treatment of liquefiable soil. Silty sand is often encountered in natural conditions and is often prone to earthquake ...