Accès libre

Experimental and theoretical behavior of cementitious plates containing ethylene vinyl acetate reinforced with glass woven fabric under impact load

Ali Dogan
Ali Dogan
 et 
Nurullah Karaca
Nurullah Karaca
   | 07 mars 2022
Materials Science-Poland's Cover Image
À propos de cet article
Article précédent
Article suivant
Citez
Publié en ligne: 07 mars 2022
Pages: 491 - 506
Reçu: 25 oct. 2021
Accepté: 19 janv. 2022
DOI: https://doi.org/10.2478/msp-2021-0041
Mots clés
© 2021 Ali Dogan et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Fig. 1

Processes of vacuum infusion
Processes of vacuum infusion

Fig. 2

Test machine (A) compressive strength (B) low-velocity impact
Test machine (A) compressive strength (B) low-velocity impact

Fig. 3

Unit weight changes of cementitious samples depending on (A) EVA replacement ratio by volume (B) EVA replacement ratio by volume and GFRP coating process. EVA, ethylene vinyl acetate; GFRP, glass fiber woven fabric
Unit weight changes of cementitious samples depending on (A) EVA replacement ratio by volume (B) EVA replacement ratio by volume and GFRP coating process. EVA, ethylene vinyl acetate; GFRP, glass fiber woven fabric

Fig. 4

Average maximum compressive stress (A) un-coated samples (B) coated samples (C) amount of resin epoxy for samples with various thicknesses. EVA, ethylene vinyl acetate
Average maximum compressive stress (A) un-coated samples (B) coated samples (C) amount of resin epoxy for samples with various thicknesses. EVA, ethylene vinyl acetate

Fig. 5

Dynamic test results: maximum load for un-coated and coated plate samples
Dynamic test results: maximum load for un-coated and coated plate samples

Fig. 6

Force-time curves for PC, L18, L32, L45, and L56 samples (A) 15 mm (B) 30 mm (C) 50 mm thickness
Force-time curves for PC, L18, L32, L45, and L56 samples (A) 15 mm (B) 30 mm (C) 50 mm thickness

Fig. 7

Force-time curves for CPC, CL18, CL32, CL45, and CL56 samples (A) 15 mm (B) 30 mm (C) 50 mm thickness
Force-time curves for CPC, CL18, CL32, CL45, and CL56 samples (A) 15 mm (B) 30 mm (C) 50 mm thickness

Fig. 8

Cementitious samples after impact test; (A) uncoated cementitious control plate (B) uncoated cementitious plate with EVA-replaced samples (C) coated sample 18% EVA-replaced (D) coated sample 32% EVA-replaced (E) coated sample 45% EVA-replaced (F) coated sample 56% EVA-replaced (G) coated control plate with 15 mm thickness (H) coated control plate with 30 mm thickness (I) coated control plate with 50 mm thickness. EVA, ethylene vinyl acetate
Cementitious samples after impact test; (A) uncoated cementitious control plate (B) uncoated cementitious plate with EVA-replaced samples (C) coated sample 18% EVA-replaced (D) coated sample 32% EVA-replaced (E) coated sample 45% EVA-replaced (F) coated sample 56% EVA-replaced (G) coated control plate with 15 mm thickness (H) coated control plate with 30 mm thickness (I) coated control plate with 50 mm thickness. EVA, ethylene vinyl acetate

Fig. 9

Mass-plate impact sketch and equivalent system [30]
Mass-plate impact sketch and equivalent system [30]

Fig. 10

Graphical representation of experimental and theoretical results for uncoated samples (A, C, E, G, I) and coated samples (B, D, F, H, J)
Graphical representation of experimental and theoretical results for uncoated samples (A, C, E, G, I) and coated samples (B, D, F, H, J)

Properties of glass fiber woven fabric

Fiber type Woven fabric (g/m2)
Areal weight 600 g (±5%)
Style/Pattern Biax 0–90 – stitch
Tensile strength 3,500 (MPa)
Tensile modulus 72 (GPa)

Concrete mix design

Sample Weight cement (kg) Weight water (kg) Weight plasticizer (kg) Weight aggregate (kg) Weight EVA (kg)
PC 507.28 253.64 2.54 1,521.83 0
L18 507.28 253.64 2.54 1,369.65 61.46
L32 507.28 253.64 2.54 1,217.47 122.92
L45 507.28 253.64 2.54 1,065.28 184.38
L56 507.28 253.64 2.54 913.10 245.83

Properties of the materials that make up cementitious plates

Materials Properties Type
Cement Density: 3.15 (g/cm3) Type I blane fineness: 3,250 (kg/m2)
Aggregates Density: 2.6 (g/cm3) Sand 4 mm
EVA Density: 0.55 (g/cm3) 2–4 mm
Water Potable
Superplasticizer Specific gravity (20°C): 1.069–1.109 (kg/l) Polycarboxylic ether based

Properties of resin epoxy and resin hardener

L160 H160
Density (g/cm3) 1.13–1.17 0.96–1.00
Viscosity (MPa) 700–900 10–50
Epoxy equivalent (g/equivalent) 166–182
Epoxy value (value/100 g) 0.55–0.60
Refractor index 1.5480–1.5530 1.5200–1.5210
Measurement conditions 25°C 25°C
Flexural strength (MPa) 110–140
Modulus of elasticity (GPa) 3.2–3.5
Tensile strength (MPa) 70–80
Elongation at break (%) 5.0–6.5

Nomenclature of the produced cementitious plate samples

Plate designation Replacement ratio of EVA (by volume) Coating GFRP
PC 0 –
L18 18 –
L32 32 –
L45 45 –
L56 56 –
CPC 0 Coated
CL18 18 Coated
CL32 32 Coated
CL45 45 Coated
CL56 56 Coated
eISSN:
2083-134X
Langue:
Anglais
Périodicité:
4 fois par an
Sujets de la revue:
Materials Sciences, other, Nanomaterials, Functional and Smart Materials, Materials Characterization and Properties
RSS Feed de la revue