Pullout capacity of ladder-type metal reinforcements in tire shred-sand mixtures

Mohan, Varenya Kumar D.; Kim, Hobi; Balunaini, Umashankar; Prezzi, Mônica

doi:10.1016/j.conbuildmat.2016.02.160

Cited by 21 publications

(3 citation statements)

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“…While the percentage increase in the pull-out resistance factor for 15.8 mm diameter bars embedded in the aforementioned mixtures was in the range of 12.7-54.6%. ese values are in agreement with the results obtained by [65].…”

Section: Pull-out Resistance Factor (F * )supporting

confidence: 92%

“…Based on pull-out tests performed on ribbed metal strip embedded in tire shred-sand mixtures, the authors observed a higher pull-out capacity for ribbed metal strips embedded in tire shred-sand mixture compared with the metal strips embedded in the tire-only shred mixture. Mohan et al [65] performed laboratory tests on ladder-type reinforcement placed in tire shred-sand mixture with different sizes of tire shreds ranging between 50 mm and 100 mm. e results were then compared with the pull-out resistance of the ribbed steel bar.…”

Section: Advances In Civil Engineeringmentioning

confidence: 99%

“…Furthermore, the ductility of backfill mixtures based on pull-out resistance seems to be largely affected by tire shred size and its content in the backfill mixture [7]. e increase in pull-out force due to an increase in tire size was possibly due to the following reasons: (1) the larger size tire particles creating more resistance with the box boundaries and (2) increase in the passive resistance [65].…”

Section: Pull-outmentioning

confidence: 99%

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Shear Strength and Pull‐Out Response of Tire Shred‐Sand Mixture Reinforced with Deformed Steel Bars

Khan

Ahmad

Nasir

et al. 2020

Advances in Civil Engineering

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The use of scrap tires in various engineering applications has been extensively explored. The present study has the following aim: to evaluate the suitability of tire-sand mixtures as backfill material based on its shear strength. To achieve this objective, modified Proctor compaction tests were performed on tire shred-sand mixture with mixing proportions by weight of tire shreds and sand (0/100, 20/80, 30/70, and 40/60) using different sizes of tire shreds (50 mm, 75 mm, and 100 mm). Based on the results of the modified Proctor compaction test, the two mixing proportions, i.e., tire shred/sand, 20/80 and 30/70, respectively, were selected. Large-scale direct shear test indicated higher internal friction angle and cohesion values for tire shred-sand mixtures (30/70) with 100 mm tire size (38.5° and 19 kPa) as compared with sand-only backfill material (30.9° and 0 kPa). Based on stress-strain behavior plots, it was indicated that the inclusion of tire shreds imparts ductility to backfill mixtures. To achieve the second objective, the pull-out tests were performed with deformed steel bars of two different diameters (12.7 mm and 15.8 mm) embedded in various backfill mixtures prepared with tire shreds of three different sizes (50, 75, and 100 mm). The pull-out test result indicated that the deformed steel bars exhibit higher pull-out resistance in tire shred-sand mixtures (9.9 kN/m) compared with sand-only backfill material (4.1 kN/m).

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Section: Pull-out Resistance Factor (F * )supporting

confidence: 92%

Section: Advances In Civil Engineeringmentioning

confidence: 99%

Section: Pull-outmentioning

confidence: 99%

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