Curved Glulam Roof Detail

Curved timberlab beams timberlab glulam timber beams are load bearing structural members for roofs floors and other construction situations e g.

Curved glulam roof detail.

Double curved beams with simpler steel node connections or straight beams with more complex nodes. Connections are usually made with bolts or plain steel dowels and steel plates. Common applications for curved laminated products are. Glulam s major breakthrough came with the so called reichseisenbahnhalle at the world exhibition in brussels in 1910.

Curved headers for porches and towers. Our in house engineers and sales personnel can work with you to help realize your architectural visions. Curved and arched glulams calvert co inc. One of the greatest advantages of glulam is that it can be manufactured in a wide variety of sizes.

The question was really where to put complexity and where to put simplicity rabagliati says. These glulam beams follow the straight roof pitch on their top edge while the bottom forms a radius curve. Glulam uses stress rated seasoned and selected timbers usually radiata pine or douglas fir. Can manufacture a variety of different types of curved glulams including the standard constant radius curve tudor arches and peak and cambered glulams.

Extremely wide beams can be manufactured by laying boards of different widths side by side and reversing each layer so that there is an overlap and no straight through vertical joint. Pitched and tapered beams taper from the tangent point to a minimum end depth to provide maximum economy. While this is true for solid sawn as well as glued laminated glulam timbers the larger sizes and longer spans made possible with glulam components make the proper detailing of connections even more critical. Glulam beams are readily produced in curved shapes and are available in a range of species and appearance characteristics to meet varied end use requirements.

Lightweight one sixth the weight of a reinforced concrete beam two thirds the weight of steel. The tension allowed for the glued beams was 136 kg cm2 13 6 n mm2. Easy to install easy to handle and work on site using hand and power tools plus easy erection. Glulam arches with tie rods had the considerable wide span of 43 m.

Glulam beams optimise the structural values of a renewable resource wood. Can be curved to shape during manufacture. Properties of glulam beams are. We can manufacture most custom curved shapes including s curves side curves parabolic arches double compound curves and tight radius curves with a radius as tight as 2 0.

Proper connection details are important to the structural performance and serviceability of any timber framed struc ture. Curved glulam is manufactured by bending the laminated boards before they are bonded together with adhesives clamped and cured. The cross sections were almost 3 m high and 30 cm wide. Have strength properties 18 that of normal timber.

Although the vault roof is curved the individual glulam beams are straight.