Results 101 to 110 of about 5,551 (259)

Estruturas mistas no contexto da pré fabricação: alternativa à ligação viga-laje pré-fabricada. [PDF]

open access: yes, 2013
O intenso processo de industrialização sofrido pela construção civil nos últimos anos está associado à busca por sistemas estruturais e/ou construtivos que visem à racionalização da construção, entre os quais se destacam os sistemas mistos de aço e ...
Diógenes, Hidelbrando J. F.   +2 more
core  

Evolution of gas permeability for concrete materials under and after uni-axial loading [PDF]

open access: yes, 2015
Under life-cycle service conditions, gas permeability which is usually employed to indicate the durability performance of concrete materials will be changed along with the evolution of microstructure under or after loading.
Chen, Wei, Wang, Wei, Zhou, Chunsheng
core   +1 more source

Durability and Smart Condition Assessment of Ultra-High Performance Concrete in Cold Climates [PDF]

open access: yes, 2016
The goals of this study were to develop ecological ultra-high performance concrete (UHPC) with local materials and supplementary cementitious materials and to evaluate the long-term performance of UHPC in cold climates using effective mechanical test ...
Allena, Srinivas   +2 more
core  

Beton cu pulberi reactive armate cu fibre din oţel [PDF]

open access: yes, 2012
Ultra High Strength and Performance Concrete development is a relatively new industry. The last 150 years have shown that despite of a constant increasing resistance for the concrete, the practical applications were often behind to these innovations in ...
Dumitru Moldovan   +3 more
core  

Design procedure and experimental study on fibre reinforced concrete segmental rings for vertical shafts [PDF]

open access: yes, 2016
Structural fibres are used to replace partially or totally the passive reinforcement in precast concrete segments for tunnel linings constructed with TBM, showing several advantages.
Aguado de Cea, Antonio   +3 more
core   +2 more sources

Experimental Results on Staggered Lapped Bars in FRC [PDF]

open access: yes, 2016
The paper presents experimental results on lap splices in fiber reinforced concrete (FRC). Four point bending tests were carried out on several full-scale beams with all or part of the longitudinal reinforcement lap spliced at mid-span.
Marchina, E., Metelli, G., Plizzari, G.
core  

Design, modelling and optimisation of ultra high-performance fibre reinforced concrete incorporating waste materials

open access: yesDiscover Civil Engineering
The adoption of ultra-high-performance fibre-reinforced concrete (UHPFRC) in modern-day construction has gradually increased because of its high compressive and flexural strength at the early production ages.
Ime Emmanuel James   +3 more
doaj   +1 more source

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