Page 6 - Open-Access-June-2020

TECHNICAL PAPER

Table 1: Flexural Behavior of ECC Elements

type of sl. dimensions details of
speCimen no. referenCes (b×d×l) (mm) reinforCement oBjeCtive oBservation
*
1. Li and Wang [12] i) 114 x 152 ×1017 i) Steel-1.47% The flexural behavior of GFRP GFRP reinforced ECC beams
ii) 114 x 152 × 1600 ii) GFRP-1.82% & reinforced ECC beams are exhibits enhanced load carrying
2.73% investigated. capacity and ultimate deflection
of 46% and 56%, respectively.

2. Lepech and Li [25] l-175, 263, 350, Steel-1.6% The size effects and ductility of Structurally sized ECC members
700, 1400, ECC structural members sized eliminate the fracture based
2100 & 2800 up to 3m were tested. size effect.
(d varies with l & b is
not available)
3. Kanakubo et al. [26] i) 40 × 40 × 160 Steel-1.04% The flexural behavior of Higher strength and
ii) 100 × 100 × 400 plain concrete and ECC in deformation capacity was
iii) 280 × 280 ×1120 accordance with the size effect attained by using smaller sized
was investigated. ECC specimens.
Reinforced
Beams 4. Singh and 100 × 120 × 1300 Steel-1.82% The flexure behavior of under- Both under-reinforced and over
Sivasubramanian [32] & 2.73% reinforced and over reinforced reinforced ECC beam showed
ECC beams are examined. ductile behavior.
5. Yuan et al. [24] 180 × 300 × 2350 BFRP - 0.377% To investigate mechanical FRP reinforced ECC beams
& 1.05% performance of FRP reinforced exhibit enhanced load-carrying
ECC beam. capacity, energy dissipation and
ductility than FRP reinforced
concrete beams.
6. Meng et al. [22] 100 × 200 × 2200 Steel-1.35% To investigate the flexural RECC beams showed enhanced
behavior of ECC incorporated higher load-carrying capacity,
plain and steel RC beams are mid-span deflection and
investigated. ductility of 14.8%, 103.6% and
13.6%, respectively than RC
beams.
7. Suryanto et al. [28] i) 400 × 250 × 20 No reinforcement The effect of change in In case of strength and initial
ii) 550 × 420 × 20 principal stress direction of ECC stiffness of the tested plates,
plates with different orientation damage orientation parameter
Plain Slabs of 20°, 45°, 70° and 90° are is governing than the damage
and Plates investigated. level parameter.
8. Said et al. [29] 590 × 220 ×25 No reinforcement The effect of PVA fibers on the The flexural performance
flexural performances of ECC of ECC slab increases with
slab are investigated. increase in reinforcement index.
9. Fischer [19] 1219.2 × 609.6 × No reinforcement To evaluate the overall ECC floor panel exhibits
3657.6 performance of ECC floor panel enhanced flexural stiffness,
system. strength and ductility.
10. Qian et al. [33] 230 × 229 × 711 1% &1.4% The behavior of the ECC Transition zone design
link slab-bridge deck-girder approach with ECC material
connection are investigated. makes ECC link slab a better
option for bridge deterioration
Composite problems and it is highly
Systems
durable compared with
concrete link slabs.

11. Larusson et al. [21] 1200 × 50 × 8200 No reinforcement The structural response of The design concept of both
integrally cast ECC panels (ICP) the ICP and the MP system
and ECC modular deck panels offer a 70% weight reduction
(MP) are investigated. in comparison to hollow core
decks.
*(b-breadth, d-depth, l-length &t-thickness)

The IndIan ConCreTe Journal | June 2020 7