A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Timber-concrete composite structures are often used as upgrade solutions for existent timber floors. The timber cross section is maintained and a concrete layer is poured over the floorboard surface. Floorboards help with loading distribution on the beams. The study presented is based on laboratory tests that used specimens made with a lightweight aggregate concrete (LWAC). The use of this type of concrete, compared with normal weight concrete (NWC), has the advantage of lower dead weights, and might be very important in many cases, namely, when the supporting structure has limited strength. Many design works of timber-concrete composite connections do not take into account the timber interlayer, which is known to reduce the load-carrying capacity and the stiffness of the connection. Previous investigations of NWC found that the inclusion of the interlayer leads to average reductions of 30% and 50% for the load capacity and slip modulus, respectively. The current investigation with LWAC found that such reductions are up to 10 and 30%, respectively. DOI:10.1061/(ASCE)ST.1943-541X.0000299. © 2011 American Society of Civil Engineers. ; 11 ; 2 ; 7 ; Maio 2011 ; DE/NEM ; Journal of Structural Engineering
Timber-concrete composite structures are often used as upgrade solutions for existent timber floors. The timber cross section is maintained and a concrete layer is poured over the floorboard surface. Floorboards help with loading distribution on the beams. The study presented is based on laboratory tests that used specimens made with a lightweight aggregate concrete (LWAC). The use of this type of concrete, compared with normal weight concrete (NWC), has the advantage of lower dead weights, and might be very important in many cases, namely, when the supporting structure has limited strength. Many design works of timber-concrete composite connections do not take into account the timber interlayer, which is known to reduce the load-carrying capacity and the stiffness of the connection. Previous investigations of NWC found that the inclusion of the interlayer leads to average reductions of 30% and 50% for the load capacity and slip modulus, respectively. The current investigation with LWAC found that such reductions are up to 10 and 30%, respectively. DOI:10.1061/(ASCE)ST.1943-541X.0000299. © 2011 American Society of Civil Engineers. ; 11 ; 2 ; 7 ; Maio 2011 ; DE/NEM ; Journal of Structural Engineering
Interlayer influence on timber-LWAC composite structures with screw connections
Jorge, L. (author) / Lopes, S. (author) / Cruz, H. (author) / Sherif El-Tawil
2011-05-01
0303/11/17708
Article (Journal)
Electronic Resource
English
DDC:
690
Interlayer Influence on Timber-LWAC Composite Structures with Screw Connections
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