Size dependence of concrete fracture energy determined by
The RILEM definition is based on Hillerborg's fictitious crack model [6,10, 13] and previous similar models for other materials (e g [14]) in which it has been tacitly assumed that the crack bridging stress (Jb in the cohesive zone (or fracture process zone) is a function of the crack
15 ON CHLORIDE DIFFUSION COEFFICIENTS OBTAINED BY - RILEM
A few years ago, Nilsson [2] derived the following relationship between diffusion coefficients Dnss and Dss: where - 3 is the chloride binding capacity involved in the non-steady state process dc Inserting Eq (12) into Eq (5) one obtains: 129 1st RILEM workshop on Chloride Penetration into Concrete 15-18 october 1995, St Rémy lès
RILEM draft recommendation: TC-242-MDC multi-decade creep and
RILEM database, in which 95 of all creep tests have a duration of less than 6-years and only a few exceed 12 years, is insufficient for calibrating and validating multi-decadepredictionmodelsandmust,therefore,be combined with inverse inferences from bridge deflec-tions and must, of course, be based on sound theory A
08 Chapter 3
up to a few cm thick becoming detached Factors Rain water penetration (damage preferentially occurring on the side of the building facing the prevailing rain) and partially rising damp are the factors related to moisture transport Within the bedding mortar-brick combination there is such a difference in capillary pore size
DETERMINATION OF FLOW RATE OF WATER IN CONCRETE BY RILEM TUBE
few standard recommendations exist for non-destructive site assessment of surface-treated structures However, a good number of these, including that proposed by RILEM (1980), are based on the use of a single test method, which can only provide a partial and sometimes ambiguous picture of the condition of the treated surface The moisture
Earth as Building Material – an overview of RILEM activities
lives in an earth construction, few specific buildi ng standards and testing methods exist Many of the tests used today are based on tests for concrete and thus do not take into account the complex nature of earth constructions, such as their sensitivity to water RILEM, the union of Laboratories and Experts in Const ruction
Prediction of concrete creep and shrinkage: past, present and
Huet, Carol, to name but a few (RILEM TC-69, 1988a) The present lecture will attempt to review the highlights of the past successes, explain some basic physical mechanisms and mathematical con-cepts, appraise our current capabilities and sug-gest some profitable future research directions and applications Due to time and space limitations,
MAGNESIUM-OXIDE BOARDS CAUSE MOISTURE DAMAGE INSIDE FACADES
International RILEM Conference on Materials, Systems and Structures in Civil Engineering Conference segment on Moisture in Materials and Structures 22-24 August 2016, Technical University of Denmark, Lyngby, Denmark Figure 1: Sketch of a typical façade con-struction where a sheathing board is used as wind barrier Adapted from [1]
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