Showing papers in "Construction and Building Materials in 1991"

TL;DR: In this paper, the effect of litemix and fellite perlite aggregate on the properties of a plain gypsum plaster and a new water-resistant binder reinforced with glass fibre is examined.

TL;DR: In this article, the effects of cellulose, glass, mineral and synthetic polyester fibres on the wear and deformation of asphalt pavements are shown, and cellulose fibres are found to be good because they stabilise greater amounts of bitumen in the asphalt pavement.

TL;DR: In this article, the suitability of the Portland-limestone cements for use in a range of designed strength concretes has been demonstrated and the addition of 5% limestone had little effect on performance although at higher addition rates the properties of the limestone were shown to be significant.

TL;DR: In this article, the influence of styrene-butadiene rubber (SBR) and acrylic latices on the properties of Portland cement concrete is investigated, and properties of modified concretes are compared with unmodified samples, on the basis of constant water/cement ratio.

TL;DR: In this paper, the authors discuss how vegetation can be integrated within an engineering scheme to assist in such aspects as slope stabilisation and water erosion control to result in a scheme which is not only more visually attractive, but can also provide other positive environmental benefits.

TL;DR: In this article, various admixtures were included in cement and CFRC. Their effects on the carbon fibre-cement adhesion and composite material properties were determined using fibre pull-out and composite materials flexural tests.

TL;DR: In this article, a range of concretes were tested having been subjected, generally to either air-drying or to sealed conditions; for the main programme tests were conducted at 7.28 and 180 days and thereafter after about 2 to 2.7 years, when the test specimens were also oven-dried at 50°C and/or 100°C.

TL;DR: In this article, the effects of heat ageing on the elongation at break and tensile strength are studied for ten commercially available, standard construction silicone sealants, based on acetoxy, alkoxy, aminoxy and oxime cure.

TL;DR: In this paper, the authors compared the results of different lab tests, suggested during the development of the International Standard on sealant durability, with those obtained from outdoor weathering under mechanical strain.

TL;DR: In this paper, a facility is described which is capable of simulating climatic parameters and which can be operated in real-time or cyclic mode, with the assessment and continuous monitoring of in-service behaviour of materials and associated construction techniques being highlighted.

TL;DR: In this paper, the theoretical, experimental and practical aspects of plate-bonding with adhesives have been highlighted, and it is shown that providing due consideration is given to design criteria, adhesive bonding can out-perform conventional welded joints.

TL;DR: In this article, the flexural load-deflection curves for mortar reinforced with various fiber types (steel and synthetic) and various fibre volume fractions are measured using three different beam sizes.

TL;DR: In this article, a two-component polyurethane system based on predominantly indigenous raw materials has been developed and thoroughly evaluated in the laboratory for its efficacy and some results are reported.

TL;DR: In this paper, a pin-ended model is developed using a modified Rankine theory to predict the behavior of masonry walls better than the present Code guidance when the full range of slenderness ratios, for which some test results are available, is considered.

TL;DR: In this article, a study was conducted to determine the shear strength of slurry infiltrated fiber reinforced concrete (SIFCON) by inducing pure shear in SIFCON specimens.

TL;DR: In this paper, the authors present a survey of the available analytical methods for building materials degradation and their interpretation by the best laboratory for the purpose of a survey, where the objectives and all available analytical techniques need to be considered prior to a survey.

TL;DR: In this paper, flat coil-coated galvanized steel samples from two sources were cut, bent and subjected to exposure at two natural weathering sites for five years, and results were compared to two accelerated salt-spray replicated tests.

TL;DR: In this paper, an integrated and practical approach to the design of laterally loaded masonry panels is presented, together with supports of variable fixity along two, three or all four sides.

TL;DR: In this article, the authors explore basic issues in relation to the assembly of large structures from panel-like components, such as cleaning is expensive, how much cleaning is necessary, and how much is necessary?

TL;DR: The cable net cooling tower at Schmehausen was completed 14 years ago as discussed by the authors and annual inspections are required by law, and the following topics are brought to light by these inspections: repair of damaged concrete on the pylon head; the search for a durable means of protecting the steel cables between the lifter ring and the thrust ring from corrosion; renewal of the attachments of the aluminium lining; cracks in the ring foundation; and weakening of the foundation anchors.

TL;DR: In this paper, the use of dowels to the bed joints that enable in-plane movement and restrict out-ofplane movement has been investigated and tests on small panels and wallettes were carried out to demonstrate the feasibility of using dowels.

TL;DR: In this paper, the elastodynamic properties of anisotropic, short fibre-reinforced, thin cement sheets have been determined by frequency measurements in the vicinity of longitudinal, flexural and torsional resonance frequencies of rod samples in their different modes of vibration.

TL;DR: In this paper, some milestones in the structural use of glass-reinforced plastics are described, and the importance of these projects was in proving the material's capabilities and opening new areas of general application.

TL;DR: In addition to testing the structural safety of buildings exposed to wind loading, BRE also has experience of examining building designs with regard to wind-related environmental aspects - eg, pollutant movement and ingress, natural ventilation, ground-level wind conditions for pedestrians, leakiness of the building envelope.

TL;DR: In this article, a parametric study was conducted on the geotextile/covering pad reinforcing system, and experiments were conducted on this system involving variation of virgin sands, covering pad sands and the type of reinforcing geotexxtiles, and friction tests conducted for corresponding combinations of cover sand/geotextiles/virgin sand.

TL;DR: In this paper, the efficacy of locally produced locally produced admixtures for waterproofing earth walls has been examined, including banana liquor, cement, bitumen and locust bean mesocarp using 5% and 10% concentrations on two different lateritic soils.

TL;DR: The European Structural Polymeric Composites Group (EUROCOMP) as discussed by the authors developed a practical Design Code for the structural use of polymeric composite materials, with particular attention to joints and safety/durability aspects.