Categories: Proceedings 07: 4IMC, Proceedings of Conferences
Author A. SABHA Technical University of Dresden Abstract The structural behaviour of masonry is inadequately described in many codes and design methods. In these methods the calculated bearing capacity does not conform with the experiments. This paper presents recent...
Categories: Proceedings 07: 4IMC, Proceedings of Conferences
Author S. MAJEWSKI and G. WANDZIK Technical University of Silesia, Poland Abstract The elasto/plastic model for brittle materials and its application to the analysis of masonry structures is presented. The model belongs to the group of “cap models” with...
Categories: Proceedings 07: 4IMC, Proceedings of Conferences
Author ALESSANDRO BARATTA University of Naples “Federico II” Abstract A mechanical model for masonry structures is introduced which assumes that masonry can be idealized as a particular kind of “Not-resisting-tension” (NRT) material. The...
Categories: Proceedings 07: 4IMC, Proceedings of Conferences
Author LARS SENTLER Lund University, Sweden and PER OFVERBECK Vattenfall AB, Stockholm Abstract This paper reviews the causes of failure of masonry in relation to the information which is obtained in standardized test procedures. In standardized tests the strength...
Categories: Proceedings 07: 4IMC, Proceedings of Conferences
Author ALASTAIR W.STUPART AND IAN H.MURRAY Building Research Establishment, Scottish Laboratory Abstract Water repellents can be considered as a remedy for rain penetration but information is required on their effectiveness and durability. In the UK water repellents...
Categories: Proceedings 07: 4IMC, Proceedings of Conferences
Author A. O’ROURKE The Nottingham Trent University Abstract The maximum permissible V-value (thermal transmittance) for a wall is 0.45 W/m2K or 0.6 W/m2K if the trade off provision with double glazing is used. Since July 1995, the Building Regulations have...
Categories: Proceedings 07: 4IMC, Proceedings of Conferences
Author PETER J. JACKSON Sampling and Scientific Services – Rugby U.K. Abstract The test developed by HARRISON at BRE has been used to assess the durability of a range of mortars and particularly those based upon the wider range of masonry cement types and...
Categories: Proceedings 07: 4IMC, Proceedings of Conferences
Author C. GERBER-BALMELLI Easier &. Hofmann, Zurich Abstract The Swiss Standard SIA 177/2 (1989) covers the design of clay, calcium-silicate and concrete unit walls under both eccentric normal force and combined normal force and shear. The standard is based on...
Categories: Proceedings 07: 4IMC, Proceedings of Conferences
Author D. KASTEN and W. EDEN Bundesverband Kalksandsteinindustrie e.V., Hannover Abstract The most important property of masonry is its compressive strength. This is calculated from the compressive strengths of its components, units and mortar. The use of the formula...
Categories: Proceedings 07: 4IMC, Proceedings of Conferences
Author Rob van der PLUIJM Eindhoven University of Technology and TNO Building and Construction Research and Ad VERMELTFOOT Eindhoven University of Technology Abstract Very limited experience exists with bond wrench testing in the Netherlands. The research described in...
Categories: Proceedings 07: 4IMC, Proceedings of Conferences
Author J.J.ROBERTS, A.J.HARRIS AND S.WILLIAMS Kingston University Abstract The use of basements in domestic dwellings is likely to increase in the coming years as land prioces rise. Satisfactory design of basement walls requires knowledge of the pressures acting on...
Categories: Proceedings 07: 4IMC, Proceedings of Conferences
Author JOHN KNAPTON Newcastle University Abstract In recent years there has been growing vandalism in cemeteries and lawn memorials have been pushed over, often by children. Lawn memorials were introduced into British cemeteries in the mid 1950s to reduce the...
Categories: Proceedings 07: 4IMC, Proceedings of Conferences
Author R. CERIONI, I. IORI and A. SPAGNOLI Universita di Parma Abstract The behaviour of masonry panels subjected to eccentric compression is investigated, using a nonlinear stress-strain relationship for the material. A numerical procedure, which takes into account...
Categories: Proceedings 07: 4IMC, Proceedings of Conferences
Author A.K.TAYLOR and F.M.KHALAF, Napier University, Edinburgh Abstract ISO and CEN Codes use a method for calculating the compressive strength of masonry which involves the use of a reference or “normalised” unit size. An empirical equation for the shape...
Categories: Proceedings 07: 4IMC, Proceedings of Conferences
Author CARL G. CASH Simpson Gumpertz and Heger Abstract On the basis of at least three geographically separated cracking failures of organic fibre reinforced cement roofing shingles, current ASTM industry standards are questioned because the failed shingles comply...
Categories: Proceedings 07: 4IMC, Proceedings of Conferences
Author MARK F. WILLIAMS AND BARBARA LAMP WILLIAMS Williams Building Diagnostics, Maple Glen, PA Abstract Exterior masonry veneer cavity walls over metal stud/sheathing backup rely on an internal system of flashings and weep holes for drainage of the cavity and wall...
Categories: Proceedings 07: 4IMC, Proceedings of Conferences
Author K.THOMAS Kenneth Thomas Associates Abstract The paper consists of case studies of disfigured facing brickwork and includes recommendations on how problems could have been avoided and/or possible remedial measures which might have been adopted. Case 1. An end...
Categories: Proceedings 07: 4IMC, Proceedings of Conferences
Author J. KNAPTON University of Newcastle upon Tyne and I.D. COOK Blockleys Brick Limited Abstract The life cycle cost of roads and similar paved areas surfaced with flexibly bedded pavers is considered in terms of initial construction cost, maintenance costs and...
Categories: Proceedings 07: 4IMC, Proceedings of Conferences
Author MICHAEL H. M. NIEUWENHUYS, Royal Association of Dutch Clay Brick Manufacturers Abstract Brickwork is considered to be uneconomic because of the cost of the hand operations associated with it. The KNB decided to ignore new mechanised methods of erection and...
Categories: Proceedings 07: 4IMC, Proceedings of Conferences
Author W.G.J. BERKERS Research Centre for the Dutch Calcium Silicate Brick Industry Abstract Until the Seventies the Dutch calcium silicate brick industry produced bricks and small blocks. It was then realised that bricklaying would lose competitiveness as a...
