[PDF] Top 20 Flexural Performance of MMFX Reinforcing Rebars in Concrete Structures

... Prior to the initiation of first cracking load of 8 kips, the deflection increased linearly with an increase of the applied load. The beam underwent major stiffness loss of about 80 percent as the cracks development ... See full document

... Steel reinforcing bars were cut to the testing length of 450 mm in line with the requirements outlined in ASTM ...steel rebars at the National Centre for Agricultural Mechanization (NCAM), Idofia, Kwara ... See full document

... The twenty two beams tested were designed to achieve select levels of stresses in the tension steel of 80, 100, 120 and 140 ksi for a specified splice length using different levels of confinement. The beams were designed ... See full document

... bottom concrete cover starting from the two main flexural cracks and running towards the ...main flexural cracks was observed causing a deep propagation of these cracks towards the flange of the ... See full document

... for flexural rehabilitation and strengthening of reinforced concrete beams was successfully demonstrated with this ...reinforced concrete structures by hindering further ingress of salt ... See full document

... centre-point flexural loading according to BS 1881 to evaluate the flexural ...natural rebars were less than the 12% minimum requirement of BS ...residual flexural strength was 41% for BB and ... See full document

... Universal Testing Machine in accordance with BS EN 12390-2 was used for the flexural test and a total of 27 beam specimens were tested. After curing for 28 days, 6 controlled beams (non-corroded) was kept in a ... See full document

... The obtained resulted stated that both GFRP hoop and spiral ties are effective in pro- viding confinement to a GFRP reinforced geopolymer column. It could be seen that the S1-50 specimen was able to increase the peak ... See full document

... the concrete mixer was in motion to eliminate lumping of fibres in the mix as shown in Figure ...dry concrete mix was agitated manually with a trowel several times to remove the fibres lumped around the ... See full document

... Reinforced concrete is one of the most widely used construction materials in the world ...Reinforced concrete is used in numerous ways, some of the larger and better known uses including roadways, bridges, ... See full document

... Beams of size 100mmx200mmx1800mm were tested under two point loading. The First crack load, Ultimate load and deflection at ultimate loads are tabulated in table no. 7.The reinforcement details and test set up of the ... See full document

... Abstract. This paper deals with effects of pre-cracks on both initiation and propagation of reinforcement steel corrosion due to carbonation. The ring shaped mortar samples with 8 mm steel bar inside were cracked with ... See full document

... of concrete. However, low w/c ratio will reduce workability of the concrete and in worst case, hard in compaction and honeycombing will ...of concrete decrease to a certain ... See full document

... The load was applied using two hydraulic jacks at each location with a capacity of 120 kips (534 kN) each. Two 150 kips (667 kN) load cells were used to measure the reactions at the supports. Four electrical resistance ... See full document

... in concrete is one of the principal factor that caused the splitting failures that occurred between steel and concrete, the used of epoxy, resin/exudates has been introduced to curb this trend encountered ... See full document

... Abstract: Recently, as the use of high-performance materials and complex composite methods has increased, the need for advanced design specifications for steel–concrete composite structures has grown. ... See full document

... As seen in Fig. 7, none of the failures were localized and the failures occurred uniformly over the entire specimen. The shells tested with biaxial tension failed slowly. For the N420A-SBT specimen, the failure occurred ... See full document

... of concrete was due to the load carrying capacity of steel ...the flexural strength of the beam ...the concrete. Thus the trend of the increase in flexural strength as shown in ...The ... See full document

... floating structures using high performance concrete, this paper examines the bond characteristics between concrete and the reinforcing ...the reinforcing steel is likely to ... See full document

... For almost a decade, embedded galvanic anodes in a discrete or “point” form have been used to provide localized corrosion prevention around concrete repairs. Embedded discrete anodes are installed around the ... See full document