Have a variety of choices for connecting timber to concrete:
1) Chemical or mechanical anchors (refer Hilti, Ramset, and others)
2) Cast in ferrules to take bolts
3) cast in threaded rods
4) Masonry Nails
5) cast in straps or rods.
6) Proprietary fasteners (Miitek gangnail, Pryda, Simpson)
The strength of the timber typically controls the selection of fasteners.
As for thatched roofing, probably need to look in some old construction
books for techniques. At a guess I would say the bundles are held together
with wires, and similar wires are used to attach to the roof battens. The
wires simply being twisted round the battens possibly nailed or stapled in
place.
Seems like you have a concrete slab roof with a decorative thatched roof
over.
Regards
Conrad Harrison
B.Tech (mfg & mech), MIIE, gradTIEAust
mailto:sch.tectonic@bigpond.com
Adelaide
South Australia
-----Original Message-----
From: Murvin Ragaven [mailto:mragaven@gibb.intnet.mu]
Sent: Tuesday, 11 December 2007 14:57
To: seaint@seaint.org
Subject: Connections between timber batterns/purlins with concrete slab
Hello there,
Please can anyone tell me how is the connection between a timber feature
on a roof and a concrete slab made? I am actually designing such
structures (hotels and villas). Can anybody also suggest how a thatch
roof connection can be made? Thanks for replying though it is a question
for architects and not for us structural engineers
Thanks and Regards,
Murvin Ragaven
(Civil Engineer)
GIBB (Mauritius) Ltd
GIBB HOUSE
71, Sayed Hossen Road
Solferino
Tel : (+ 230) 402 - 1900
Fax: (+ 230) 427 - 6800
Website: www.gibbmauritius.com
Email: mragaven@gibb.intnet.mu
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