Paper Information

Journal:   JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN)   September 2003 , Volume 37 , Number 2 (80); Page(s) 213 To 225.
 
Paper: 

SHEAR WAVE VELOCITY ZONATION IN TEHRANS ALLUVIUM

 
 
Author(s):  JAFARI M.K., RAZMKHAH A., BAKHSHAYESH M.K.
 
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Abstract: 

Preparation of Iso-Velocity and Iso-Depth maps for different shear wave velocities in Tehrans alluvium is the main subject of this paper. In this regard, data obtained through geoseismic and geotechnical investigations was used. The collected geotechnical data of about 1000 boreholes including results of 26 new drilled boreholes are considered and combined with the results of 95 refraction surveys and 9 down hole surveys in the studied area. Furthermore the combination of geoseismic surveys, collected geotechnical data and in-situ measurements in drilled boreholes are used to propose a new classification of Tehrans soils based on shear wave velocity and N(SPT). A comparison also is made between results of Standard Penetration Test (SPT) in drilled boreholes and shear wave velocities obtained from geoseismic surveys. The new correlations established between N (SPT) and shear wave velocity for different types of fine-grained soils in south of Tehran are proposed.

 
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