mechanical of the concrete
Mechanical Characterization of Tensile Behaviour of Concrete Under High Strain Rates
... and the specimen located at the end in contact with the previous ...bar. The spallation of the con- crete specimen can be achieved by the developed tensile stresses after ...
154
Influence of cement properties in the reaction rate and mechanical behavior of concrete with high fl y ash content
... show the results of the loss of hydration water for each concrete studied along hydration ...to the concretes of dry consistency and Figures 8 and 9 belong to the ...
7
Damage assessment in concrete structures using piezoelectric based sensors
... monitoring the development and progression of internal damage in concrete ...in the resonant behavior in the measured electrical conductance obtained from electro- mechanical ...
11
Effect of internal structure on the interaction of mechanical and thermal properties of concrete
... to the replacement of OPC for FA impacts the thermal conductivity of ...concrete. The main solids hydration products of a completely hydrated OPC are calcium silicate ...
164
TítuloSimultaneous utilization of fine and coarse recycled concrete aggregate for the fabrication and experimental analysis of the structural performance of precast reinforced and prestressed concrete elements
... half of the total CDWs (54%) are made of brick, tiles and ceramic, which is commonly known as mixed recycled ...studied the possibility of replacing mixed recycled coarse aggregates in ...
326
Rheological and mechanical properties of self-compacting concrete with the addition of nano-silica and microsilica
... it. The total sample was then divided into 8 parts and a portion of each part was then taken in order to complete two samples of 2 g each, which were placed on a stove at 40°C during 7 days in order ...
14
TítuloSelf compacting recycled concrete: basic mechanical properties, rheology, robustness and thixotropy
... one of the main differences between conventional and recycled concrete (RC) is the high water absorption of recycled aggregate (especially due to adhered mortar) [SILV14, JUAN09, ...
323
Evaluation of pathological problems associated with carbonation and sulfates in a concrete tower with more than 50 years in service
... 107 The present study responds to the need to rehabilitate and return to operation reinforced concrete towers in petroleum industry installations in the southern portion of the ...
14
Assess of residual mechanical resistance of reinforced concrete beams after fire
... determine the residual strength of simple supported reinforced concrete beams subject to bending after ...capable of predicting the thermal and mechanical (residual) behavior ...
13
Rheological and mechanical properties of self-compacting concrete with the addition of nano-silica and microsilica
... Self-compacting concrete is the result of the redesign of quality mixtures with the ability to ensure its correct placement in strongly assembled structures, where the ...
14
Rheological and mechanical properties of self-compacting concrete with the addition of nano-silica and microsilica
... Las mezclas binarias presentan un comportamiento poco concluyente, ya que a mayor contenido en nSi mayor exigencia en SP aunque su TV es similar, siendo más viscosa la [r] ...
14
RAV5N2, Message from the Editor in Chief (May - August 2015)
... that the addition of carbon nanotubes increased strength of cement with fly ...research, the levels of 0.5% and 1% NTCs relative to the cement mass was analyzed, and the ...
79
Assess of residual mechanical resistance of reinforced concrete beams after fire
... determine the residual strength of simple supported reinforced concrete beams subject to bending after ...capable of predicting the thermal and mechanical (residual) behavior ...
13
TítuloMechanical properties of hot mix asphalt made with recycled concrete aggregates coated with bitumen emulsion
... incorporation of recycled concrete aggregates (RCA) in hot-mix asphalt (HMA) could be a way to promote sustainable ...examined the use of this type of waste material in ...to the ...
30
Study of pressure and curing temperature in reactive powder concretes (RPC) with different amounts of metallic microfibers = Estudio de presión y temperatura de curado en hormigones polvo reactivo (HPR) con cantidades diferentes de microfibras metálicas
... formance concrete with high mechanical resistance, ductility and durability, a concrete made up of cement, sand, quartz powder, silica fume, superplasticizer admixture, microfibers and ...
9
Polyolefin fibre-reinforced concrete : from material behaviour to numerical and design considerations
... Since the first applications of SCC in the 1980s, this material has experienced a great development throughout the entire ...world. The main reasons for such success are the ease ...
385
Comparative assessment of the mechanical behaviour of aerated lightweight concrete
... discuss the effect of air entrainment on the mechanical behavior and durability of molded concrete ...elements. The experiment was carried out using samples with 4 ...
16
Comparative assessment of the mechanical behaviour of aerated lightweight concrete
... adapting the Ibracon dosing method (Helene and Terzian, 1992), using concrete samples with three cement:aggregate proportions: 1:3, 1:4, and 1:5, all having the same consistency (170 ± 30) mm, which ...
16
Assess of residual mechanical resistance of reinforced concrete beams after fire
... times of 60 min and 120 min of fire exposure were not sufficient to significantly reduce the residual strength of the reinforced concrete ...that the temperatures ...
13
Comparative assessment of the mechanical behaviour of aerated lightweight concrete
... discuss the effect of air entrainment on the mechanical behavior and durability of molded concrete ...elements. The experiment was carried out using samples with 4 ...
16