Results 251 to 260 of about 20,129 (306)
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1999
Both flat and pitched roofs can conveniently be subdivided into two main sections for purposes of measurement, that is, construction and coverings. The order of measurement of these two sections varies in practice, but on balance it is probably better to take the construction first since this follows the order of erection on the site.
Ivor H. Seeley, Roger Winfield
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Both flat and pitched roofs can conveniently be subdivided into two main sections for purposes of measurement, that is, construction and coverings. The order of measurement of these two sections varies in practice, but on balance it is probably better to take the construction first since this follows the order of erection on the site.
Ivor H. Seeley, Roger Winfield
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LCA comparison of roofing materials for flat roofs
Smart and Sustainable Built Environment, 2015Purpose– The environmental performance of several flat roof systems with different materials and insulation thicknesses is compared using life cycle assessment (LCA), with the aim to determine the roofing materials with the highest environmental performance.
Antonio Contarini, Arjen Meijer
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Unstable Region in the Flat-Roof Resonator
Applied Optics, 1967Applicando il metodo numerico iterativo, già usato in un nostro precedente lavoro, abbiamo dimostrato che questo tipo di risonatore può avere regioni di instabilità dove sono presenti alte perdite. Applicando un metodo di perturbazioni successive, abbiamo dimostrato che esistono zone di inversione fra il modo fondamentale e il secondo modo pari.
P. F. Checcacci +2 more
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Ventilation of Timber Flat Roofs
Batiment International, Building Research and Practice, 1985Reviewed here is a major co-operative investigation in Denmark into the effect of ventilation of timber flat (cold) roofs to combat condensation and moisture accumulation. Field measurements of moisture content in a number of test roofs over long periods and under different conditions are evaluated and conclusions drawn.
Vagn Korsgaard +3 more
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Structural Survey, 1988
This paper is predominantly concerned with flat roofs of timber construction with which the author is most familiar. The principles discussed are, however, generally applicable to roofs constructed of other materials.
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This paper is predominantly concerned with flat roofs of timber construction with which the author is most familiar. The principles discussed are, however, generally applicable to roofs constructed of other materials.
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Ponding of Liquids on Flat Roofs
Journal of the Structural Division, 1969Expressions are developed for the moments and deflections of simply-supported, prismatic beams subjected to various loading conditions simultaneous with ponding. These can be combined by a form of superposition to solve cases of combined loadings and different support conditions including continuous beams.
James Chinn +2 more
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Applied Optics, 1965
A microwave or laser resonator with flat-roof mirrors is discussed from a theoretical point of view. When the angle of the roof is extremely small, on the order of 10−3 rad for microwaves or 10−3–10−6 rad for optics, this resonator has some features in common with the confocal resonator.
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A microwave or laser resonator with flat-roof mirrors is discussed from a theoretical point of view. When the angle of the roof is extremely small, on the order of 10−3 rad for microwaves or 10−3–10−6 rad for optics, this resonator has some features in common with the confocal resonator.
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REPAIR AND MAINTENANCE OF FLAT ROOFS
Property Management, 1988The repair and maintenance of flat roofs probably creates one of the greatest headaches for a property manager as well as giving a touch of migraine to the professionals and advisers concerned with flat roofing problems. It was probably 15 years ago when we all became aware of the failings in design, construction and maintenance of flat roofs erected ...
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Experimental study on wind tunnel force measurement of flat roof Trough Condenser (FRTC)
Solar Energy, 2021Qiong Zou
exaly