Influence Of Murfor Diagonal Reinforcement In The Buckling Of Dcw Walls Tested In Spain

Summary

Horizontal flexural tests were carried out on reinforced masonry walls in order to study the behaviour of diagonal reinforcements set close to the supports (wall reactions).  Test wallettes consisting of four course high cavity walls and Murfor truss-type reinforcement RND S/E-250, with varying sections of diagonal reinforcement and different cavity widths, were used.  The diagonals are regarded as having a pre-eccentricity which, while affecting the results, did not prove to be a handicap to the correct performance of the wall.  In the tests, it was found that the buckling of the diagonals did not follow a regular pattern.  This suggests that the stresses on the wall were not uniform, which is the case if it is assumed that there are normally irregularities in wall construction, and that it is impossible to transfer equal thrust to the four diagonals.  Thus, the pre-eccentricity affects buckling behaviour, despite the fact that this does not occur in a uniform manner in all the reinforcement.  16 refs.

Primary author(s): Gonzalez Bravo C, Adell J M, Del Rio C

                            Madrid,Polytechnic University

Source: 12th IB2MaC. Twelfth Int.Brick/Block Masonry Conf. Proc.

            Madrid,25-28 June 2000,p.85-94

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