Numerical evaluation of stress distribution along grouted rockbolts

Boulamatsi, SA; Nomikos, PP; Sofianos, AI

dc.contributor.author	Boulamatsi, SA	en
dc.contributor.author	Nomikos, PP	en
dc.contributor.author	Sofianos, AI	en
dc.date.accessioned	2014-03-01T02:53:57Z
dc.date.available	2014-03-01T02:53:57Z
dc.date.issued	2012	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/36502
dc.relation.uri	http://www.scopus.com/inward/record.url?eid=2-s2.0-84856700553&partnerID=40&md5=3895408152afc5e67a2e02bbe5744392	en
dc.subject	Bolts and anchors	en
dc.subject	Numerical modelling	en
dc.subject.other	Axisymmetric models	en
dc.subject.other	Cylindrical tunnels	en
dc.subject.other	Finite difference	en
dc.subject.other	Flow rules	en
dc.subject.other	Grouted rockbolts	en
dc.subject.other	Load distributions	en
dc.subject.other	Numerical evaluations	en
dc.subject.other	Numerical modelling	en
dc.subject.other	Plane strains	en
dc.subject.other	Rock bolts	en
dc.subject.other	Rock mass	en
dc.subject.other	Rock walls	en
dc.subject.other	Spherical cavities	en
dc.subject.other	Three-dimensional model	en
dc.subject.other	Concrete construction	en
dc.subject.other	Foundations	en
dc.subject.other	Rock bolting	en
dc.subject.other	Rock mechanics	en
dc.subject.other	Rocks	en
dc.subject.other	Stress concentration	en
dc.subject.other	Two dimensional	en
dc.subject.other	Three dimensional	en
dc.title	Numerical evaluation of stress distribution along grouted rockbolts	en
heal.type	conferenceItem	en
heal.publicationDate	2012	en
heal.abstract	The load distribution along fully grouted rock bolts is evaluated numerically. In order to achieve this, three series of models were prepared using two dimensional and three dimensional finite difference codes. Firstly, plane strain and three dimensional models were prepared in order to simulate a rock bolt installed in the rock walls of a cylindrical tunnel and secondly two dimensional axisymmetric models whose purpose was to simulate approximately a rockbolt installed in the rock walls of a spherical cavity. Four different rock masses, obeying for yield the associate flow rule, were examined. The obtained results show the influence of the rockmass quality on the anchor length of the rock bolt and on its behaviour as a means of reinforcement. © 2012 Taylor & Francis Group, London.	en
heal.journalName	Harmonising Rock Engineering and the Environment - Proceedings of the 12th ISRM International Congress on Rock Mechanics	en
dc.identifier.spage	1461	en
dc.identifier.epage	1465	en