WebROOF DEAD LOADS IN (psf) Material Weight Felt, per ply .5 Gravel 4 Roll Roofing 1 235 Ib Shingles and Paper 2.5 (2) 15 Ib and (I) 90 Ib 1.7 (3) 15 Ib and (I) 90 Ib 2.2 3-ply Ready Roofing 1 3-ply Felt and Gravel 5.6 4-ply Felt and Gravel 6 BUILT UP ROOF 5-ply Felt and Gravel 6.5 Concrete Plank 6.5 Insulrock 2.7 Webdead loads. All other loads are variable loads (see also “Nominal loads”). LOADS EFFECTS. Forces and deformations pr od uc ed in str uc tur al me mbe rs by the app lie d lo ads . NOMINAL LOADS. The magnitudes of the loads specified in 780 CMR 16.00 (dead, live, soil, wind, snow, rain, flood and earthquake). NOTATIONS: D = Dead load.
2015 INTERNATIONAL RESIDENTIAL CODE (IRC) ICC DIGITAL …
WebRafters with ceiling not attached to rafters, ground snow load = 50 psf, dead load = 20 psf, deflection limit L/180. The first span table is for roofs where the ceiling is not attached to the rafters (with no snow load), a live load of 20 psf, a dead load of 20 psf and a … WebTABLE R802.5.1(1) RAFTER SPANS FOR COMMON LUMBER SPECIES (Roof live load = 20 psf, ceiling not attached to rafters, L/Δ = 180) RAFTER SPACING (inches) SPECIES AND GRADE: DEAD LOAD = 10 psf: DEAD LOAD = 20 psf: 2 x 4: 2 x 6: 2 x 8: 2 x 10: 2 x 12: 2 x 4: 2 x 6: 2 x 8: 2 x 10: 2 x 12: Maximum rafter spans a (feet - inches) (feet - inches) (feet ... tee shirt las vegas
Loads on roof structures - Structural Basics
WebDec 31, 2024 · In order to get an area load or line load, we need to define the density and dimensions of each element. So let’s look at a Purlin roof and its roof layers to see how … WebDescription: Featuring Trus Joist® TJI® Joists for Floor and Roof Applications. Document ID #: tj-4000. File Type: pdf. File Size: 5.1 MB. File Date: February 2024. Document Types: … Web15 rows · 1. Wood structural panels with a minimum thickness of 7 / 16 inch (11.1 mm) and maximum panel span ... tees it