Development of Dynamic Simple Shear Apparatus for Small Strain Dynamic Tests on Unsaturated Granular Soils by Bender Element and Ultrasonic Sensors
Publish place: Advance Researches in Civil Engineering، Vol: 1، Issue: 2
Publish Year: 1398
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_ARCE-1-2_002
تاریخ نمایه سازی: 7 خرداد 1398
Abstract:
Shear modulus and confined modulus are important parameters for static and dynamic analysis in geotechnical applications. Cyclic simple shear apparatus had been developed by mounting bender element and ultrasonic sensors to measure continuous shear wave and pressure wave velocities for determination of Gmax and M. For this purpose two new pedestals have been fabricated on which HAE ceramic disc and sensors were mounted. A pressure control panel and a hanging column system have been designed to apply high and low matric suction values with high accuracy. Finally, some tests was conducted to verify the result of device performance and to compare with the theoretical results of unsaturated soils.
Keywords:
Dynamic Simple Shear Apparatus , Bender Element , ultrasonic , Unsaturated soils , maximum shear modulus
Authors
Ali Akbar Karimzadeh
M.Sc. of Geotechnical Engineering, Depaertment of Civil Engineering, Sharif University of Technology, Tehran, Iran.
Fardin Jafarzadeh
Associate Profesor, Department of Civil Engineering, Depaertment of Civil Engineering, Sharif University of Technology, Tehran, Iran.
Adel Ahmadinezhad
Ph.D. of Geotechnical Engineering, Department of Civil Engineering, Sharif University of Technology, Tehran, Iran.
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