21 May 1993 . A.3 Bridge Deck Drainage Vertical Curve Drainage Design Method . The bridge deck and pavement runoff coefficient is usually assumed to be.
C. = Coefficient of Runoff = 1.0 for bridge decks; i. = Average rainfall intensity, in inches per hour, for a given frequency and for the duration equal to the time of.
It is resistant to weather, pests and fungal decay as well as splinter-, swell- and crack free. . Very low maintenance; Low expansion and contractions coefficient.
Such a decking with Accoya, if used appropriately, should . Smooth surfaces have a higher coefficient of . ing the deck in such a way, that (rain) water is.
drainage point of sufficient capacity (such as a deck drain or the end of the barrier). An .. C = runoff coefficient (0.9 to be used for bridge decks) i = rainfall.
4 Nov 2014 . The use of composite and plastic decking products as an alternative to . as much as 1mm with every four degree Celsius fluctuation in temperature. . Thermal Expansion Coefficient: It is important to understand how much.
Zuri has a surface 30% harder than conventional non-wood decking products and a coating thickness (3) . The QUV accelerated weathering tester reproduces the damage caused by sunlight, rain and dew. .. Coefficient of Thermal Expansion.
22 Jan 2007 . slip resistance and coefficient of friction;; slip resistance of plastics;; ASTM procedure and static coefficient of friction.
3.6 Determination of runoff coefficients . Rainfall intensity is defined as the ratio of the total amount of rain (rainfall depth) falling during a given period to the.
adequately sized and spaced to remove runoff from the bridge deck before it ... C = A dimensionless runoff coefficient that represents characteristics.
C = Runoff coefficient to reflect the ratio of rainfall to surface runoff . subareas with different runoff coefficients, a composite coefficient for the total drainage area.
See how ChoiceDek composite decking stacks up against wood decking, PVC . There's just no comparison when it comes to decking. . *Coefficient of Friction. . Semi-porous, can scratch but will naturally weather out, Porous surface will.
Deck & Porch . Bio-based; UV resistant; Weather resistant; Water resistant; Chlorine and saltwater resistant . Expansion and contraction coefficient of .3%
3 Apr 2015 . Learn about composite decking basics and watch how BamDeck? stacks up to the . if you live in a location that experiences frequent rain or snowfall. .. A coefficient of thermal expansion would be great to know, if available!
Flat roofs, parking decks, balconies, facades and terraces. Drainage ... capacity per pipe of 10.7 l/s. Reference rainfall x flow coefficient x effective roof area.