Document Type
Conference Item
Publication Date
11-1-2011
Abstract
Geosynthetic reinforced segmental retaining walls (GR-SRWs) are in a period of development and have achieved popularity all over the world. Inclusion of geosynthetic layer at the interface has great influence on interface frictional performance of segmental retaining wall units. In this investigation, three (3) types of geosynthetic reinforcements were chosen and used to find out their influences on the interface shear capacity of newly designed and locally produced precast I-blocks. A series of direct shear tests were conducted using a specially designed and fabricated direct shear apparatus to assess the frictional characteristics of the blocks with geosynthetic inclusions. The results presented in this paper report that flexible geosynthetic reinforcements perform well than stiff geosynthetics although decrease the interface shear capacity than no inclusion condition. The presence of geosynthetic layers also minimizes the localized stress concentrations at the interface.
Keywords
Geotechnical investigation, Lightweight cone penetration test, Individual natural valley, Ground model
Divisions
sch_civ
Event Title
International Conference on Geotechnique, Construction Materials and Environment
Event Location
Mie, Japan
Event Dates
21-23 Nov 2011
Event Type
conference