![]() ![]() For example, if span is 24 feet, then depth of glulam beam = (24 × 12)/20 = 14.4″, rounding as 14″ and width = 14/3 = 5 1/2″, thus, you would need 5-1/2″ × 14″ size of glulam beam to span 24 feet. Rule of thumb for sizing Glulam beam: as per thumb rule & general guideline, depth of the Glulam beam is 1/20th of span in inches and their width is 1/3 to 1/4 of the depth. For non-residential applications, where long spans, unusually heavy loads, or other circumstances control design, custom members are typically specified.ĭimensions of Glulam beam: length – 6/12/13 meters thickness, mm: 80, 120, 160, 200 width, mm: 90, 110, 130, 180, 200, 220, 240 Typical Glulam beam width used in residential construction include: 3-1/8, 3-1/2, 5-1/8, 5-1/2, 6-3/4 inches and 7 inches. However, the l9 mm (3/4″) laminations allow for a greater amount of curvature than do the 38 mm (1-1/2″) laminations. Member made from l9 mm (3/4″) laminations. A member made from 38 mm (1-1/2″) laminations costs significantly less than an equivalent. Standard depths for glulam members range from 114 mm (4-1/2″) to 2128 mm (7′) or more in increments of 38 mm (1-1/2″) and l9 mm (3/4″). ![]() Depth of Glulam beam are range from 7 1/4 inches (184mm) to 23 7/8 inches (606mm). ![]() Typically, Glulam beam sizes are represented by their width and depth. ![]()
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