A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Testing of Thin UHPFRC Cantilever Stairs with Bolted Connections
The purpose of this research is to analyze the suitability of UHPFRC for applications to precast cantilever stairs that can be easily connected to the main structure. Several cantilever stair elements were tested under a concentrated static load applied at the free end. The anchored end was connected to the testing frame with four bolts that provided a partial fixed end. Each stair had a tread, a riser and an end plate casted with four holes to accommodate the bolts. The riser and the tread had a thickness of 20 mm whereas the end plates were 20 mm and 30 mm thick. The length of the stairs was 600 mm. Only short steel fibers were provided as reinforcement (2.35 vol.%) resulting a 180 MPa compression strength and 25 MPa flexural strength. The failure of the elements occurred at concentrated load values of 4 to 7 kN depending on the thickness of the end plate. The equivalent static force was above the one resulting from standardized static loads for staircases.
Testing of Thin UHPFRC Cantilever Stairs with Bolted Connections
The purpose of this research is to analyze the suitability of UHPFRC for applications to precast cantilever stairs that can be easily connected to the main structure. Several cantilever stair elements were tested under a concentrated static load applied at the free end. The anchored end was connected to the testing frame with four bolts that provided a partial fixed end. Each stair had a tread, a riser and an end plate casted with four holes to accommodate the bolts. The riser and the tread had a thickness of 20 mm whereas the end plates were 20 mm and 30 mm thick. The length of the stairs was 600 mm. Only short steel fibers were provided as reinforcement (2.35 vol.%) resulting a 180 MPa compression strength and 25 MPa flexural strength. The failure of the elements occurred at concentrated load values of 4 to 7 kN depending on the thickness of the end plate. The equivalent static force was above the one resulting from standardized static loads for staircases.
Testing of Thin UHPFRC Cantilever Stairs with Bolted Connections
RILEM Bookseries
Serna, Pedro (editor) / Llano-Torre, Aitor (editor) / Martí-Vargas, José R. (editor) / Navarro-Gregori, Juan (editor) / Sosa, Ioan (author) / Negrutiu, Camelia (author) / Heghes, Bogdan (author) / Todor, Adel (author)
RILEM-fib International Symposium on Fibre Reinforced Concrete ; 2020 ; Valencia, Spain
Fibre Reinforced Concrete: Improvements and Innovations ; Chapter: 96 ; 1090-1099
RILEM Bookseries ; 30
2020-11-05
10 pages
Article/Chapter (Book)
Electronic Resource
English
Testing of Thin UHPFRC Cantilever Stairs with Bolted Connections
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