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Title: Investigation of seismic response of soil sites in Hong Kong : Part I- preliminary dynamic test results
Authors: Wong, YI
Yuan, YF
Guo, X
Zhao, JX
Lui, JYH
Yin, JH 
Keywords: Bender element test
Cyclic triaxial test
Resonant column test
Shear modulus
Shear wave velocity
Soil damping ratios
Soil site seismic amplification
Issue Date: 2000
Publisher: Hong Kong Institution of Engineers
Source: HKIE transactions, 2000, v. 7, no. 3, p. 19-27 How to cite?
Journal: HKIE transactions 
Abstract: Preliminary results of shear wave velocity measurement and dynamic tests on Hong Kong soils are presented. We measured in-situ shear wave velocities in three types of Hong Kong soil sites. Measured results suggested that an overseas correlation model relating shear wave velocity to N-values of the standard penetration test (SPT) can be possibly used for Hong Kong soils. In this paper, we also suggested a similar correlation relationship derived from our limited amount of data and this model could be our preferred model for Hong Kong alluvium deposits, marine deposits and completely decomposed rock. We took a number of soil samples and carried out resonant column tests, bender element tests and cyclic triaxial tests. According to these testing results, we propose to use a number of overseas dynamic soil models for Hong Kong soils of similar nature. We also present an example of soil amplification effects on a site with a soft soil layer (marine deposits with SPT-N value of 1 to 2) below sandy fill. It is found that amplification can be significant when the amplitude of the rock site excitations is low.
ISSN: 1023-697X
EISSN: 2326-3733
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