American Society of Civil Engineers


Effect of Arching on Passive Earth Pressure for Rigid Retaining Walls Considering Translation Mode


by Abhijit Roy, (Dept. of Civil Engineering, Indian Institute of Technology, IIT Kanpur, Kanpur 208016, India E-mail: abhijitr@iitk.ac.in) and Nihar Ranjan Patra, (Assistant Professor, Dept. of Civil Engineering, Indian Institute of Technology, IIT Kanpur, Kanpur 208016, India E-mail: nrpatra@iitk.ac.in)

pp. 1-10, (doi:  http://dx.doi.org/10.1061/41031(341)304)

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Document type: Conference Proceeding Paper
Part of: Structures Congress 2009: Don’t Mess with Structural Engineers: Expanding Our Role
Abstract: Arching is a universal phenomenon that involves transfer of pressure from the yielding part of soil to the adjoining part. The soil is said to arch over the yielding part of support. The state of stress within the zone of arching depends upon the amount of yield. As yielding increases, arching effect is gradually reduced. Though arching phenomenon occurs in many geotechnical engineering problems, it has not received much attention. Generally, using Rankine’s and Coulomb’s theory, earth pressure exerted by the soil on the retaining wall is calculated. Both of them assumed that the distribution of earth pressure is triangular. Many experimental results [Tsagarali, 1965, Fang and Ishibhishi, 1986] showed that there is nonlinearity in pressure distribution due to horizontal translation of the wall. The effect of arching is considered for the calculation of active earth pressure in retaining wall considering translation mode by [Handy, 1985] and [Harrop-Williams, 1989].


ASCE Subject Headings:
Arches
Earth pressure
Retaining structures