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Experimental Investigations of Pull-Out Behaviour of Synthetic Fibres

Mária Erdélyiné TÓTH
Mária Erdélyiné TÓTH
, 
Anikó PLUZSIK
Anikó PLUZSIK
, 
Tamás PLUZSIK
Tamás PLUZSIK
 und 
Bálint MORLIN
Bálint MORLIN
   | 04. Apr. 2019
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Online veröffentlicht: 04. Apr. 2019
Seitenbereich: 89 - 95
Eingereicht: 25. Juni 2017
Akzeptiert: 13. Apr. 2018
DOI: https://doi.org/10.21307/acee-2018-026
Schlüsselwörter
© 2018 Mária Erdélyiné Tóth et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Figure 1.

Ribbed and waved fibres and experimental F-u curves for one-sided case, cement content: 300 g, anchoraged length: 20 mm
Ribbed and waved fibres and experimental F-u curves for one-sided case, cement content: 300 g, anchoraged length: 20 mm

Figure 2.

One- and two-sided samples in pull-out tester
One- and two-sided samples in pull-out tester

Figure 3.

One- and two-sided pull-out with 300 g cement content and 20 mm anchoraged length
One- and two-sided pull-out with 300 g cement content and 20 mm anchoraged length

Figure 4.

Mortar strength/Maximal slipping force – Cement content relationship of two-sided pull-out tests, anchoraged length: 20 mm
Mortar strength/Maximal slipping force – Cement content relationship of two-sided pull-out tests, anchoraged length: 20 mm

Figure 7.

Modelling experimental curves (cement content: 150/300 g, anchoraged length: 20 mm) with analytical models
Modelling experimental curves (cement content: 150/300 g, anchoraged length: 20 mm) with analytical models

Figure 5.

Maximal slipping force – Anchoraged length relationship
Maximal slipping force – Anchoraged length relationship

Figure 6.

Frictional stress – relative displacement relationship
Frictional stress – relative displacement relationship

Figure 8.

Torn and pulled out ribbed fibres of samples with 450 g cement content
Torn and pulled out ribbed fibres of samples with 450 g cement content

Non-changeable parameters

E m 30000 Mpa
v m 0.2
E 7000 Mpa
d f 0.78 mm
R/r 50.8
sref 0.25 mm
a 0.1

Critical length of anchorage

Fibre types Cement content [g] F max [N] τ [MPa] L crit [mm]
Waved fibre 150 280 2.5 45
225 3.4 33
300 4 28
375 4 28
450 4 28
Ribbed fibre 150 180 2 37
225 3 24
300 3.4 21
375 3.8 19
450 3.8 19

Experimental samples

Experimental samples - five pieces of every similar case All of the mix prepared from 1250 g standard sand (according to EN 196-1), sum total 450 g CEM I 42.5 R cement and limestone powder and 225 g water, water-mix (cement and limestone) ratio 0.5
Sign of the sample Cement content of the mix [g] Limestone powder content of the mix [g] Fibre type Anchoraged length [mm] Anchoragement type
150_20 150 300 waved/ribbed 20 one-sided/ two-sided
225_20 225 225 waved/ribbed 20 one-sided/ two-sided
300_20 300 150 waved/ribbed 20 one-sided/ two-sided
375_20 375 75 waved/ribbed 20 one-sided/ two-sided
450_20 450 - waved/ribbed 20 one-sided/ two-sided
150_15/150_20/150_25 150 300 waved/ribbed 15/20/25 one-sided
225_15/225_20/225_25 225 225 225 waved/ribbed 15/20/25 one-sided
300_15/300_20/300_25 300 150 waved/ribbed 15/20/25 one-sided
375_15/375_20/375_25 375 75 waved/ribbed 15/20/25 one-sided
450_15/450_20/450_25 450 - waved/ribbed 15/20/25 one-sided
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