Determination of tensile strength of concrete using a novel apparatus

Sarfarazi, Vahab; Haeri, Hadi; Ebneabbasi, Pouyan; Shemirani, Alireza Bagher; Hedayat, Ahmadreza

doi:10.1016/j.conbuildmat.2018.01.157

Cited by 44 publications

(14 citation statements)

References 24 publications

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“…U ispitivanjima prema [12,13,[28][29][30][31] korišteni su uzorci prizmatičnog oblika, a u ispitivanjima prema [14,[32][33][34] uzorci cilindričnog oblika. Kompleksniji oblici uzoraka korišteni su u radu [35]. Uzorci su lokalno oslabljeni u ispitivanjima prema [12,13,27,29].…”

Section: Oblik Uzorkaunclassified

“…Prema [12,14,32] unos jednolike sile ostvaruje se sidrenjem armaturne šipke u uzorak. Prema [25] se jednolik unos ostvaruje obuhvaćanjem šireg dijela uzorka, a u [35] preko čeličnog prstena. Broj različitih načina unosa opterećenja je velik, a rezultati variraju pa je usporedba rezultata različitih istraživača upitna.…”

Section: Utjecaj Ekscentričnosti I Rubni Uvjetiunclassified

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4th Symposium on Doctoral Studies in Civil Engineering

2018

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U ovome radu, koji se odnosi na temeljenje zgrada novog uređaja za pročišćavanje otpadnih voda (UPOV) grada Rijeke, daje se osnovni prikaz odabrane tehnologije temeljenja objekata UPOV-a te njihov proračun. Cilj je ovog rada, na temelju odgovarajućih geotehničkih parametara i kontaktnih naprezanja na razini dna temeljnih ploča pojedinih objekata te iz situacije predmetne mikrolokacije, izraditi model temeljnog tla i temelja objekata primjenom proračunskog programa PLAXIS 3D, zasnovanog na metodi konačnih elemenata, te naposljetku interpretirati dobivene rezultate, prije svega ukupna slijeganja objekata novog UPOV-a.

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Section: Oblik Uzorkaunclassified

Section: Utjecaj Ekscentričnosti I Rubni Uvjetiunclassified

4th Symposium on Doctoral Studies in Civil Engineering

2018

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Section: Oblik Uzorkaunclassified

Section: Utjecaj Ekscentričnosti I Rubni Uvjetiunclassified

Direct tensile strength test of concrete

Renić¹,

Kišiček²

2018

4th Symposium on Doctoral Studies in Civil Engineering

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Vlačna čvrstoća i energija loma betona značajno utječu na ponašanje betonskih konstrukcija. Uobičajeno je koristiti neizravne metode ispitivanja, cijepanje i savijanje za određivanje vlačne čvrstoće betona. Neizravnim metodama nije moguće precizno procijeniti vlačno ponašanje betona. U radu je objašnjeno zašto su te metode neprikladne te je dan pregled preciznijih, izravnih metoda ispitivanja. Prikazane su prednosti i nedostaci svih metoda te opisani tehnički problemi pri ispitivanju. Nedostatak izravnog postupka ispitivanja je taj da još uvijek nije normiran.

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“…Concrete is one of the most consumed construction materials all over the world. However, the weakness of its tensile strength leads to sudden failure in concrete structures during an earthquake [1,2]. Different fibers can be used to eliminate the brittleness of concrete and improve the mechanical properties.…”

Section: Introductionmentioning

confidence: 99%

Experimental and Numerical Study of Energy Absorption Capacity of Glass Reinforced SCC Beams

Mohsenzadeh

Maleki

Yaghin

2019

IJE

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A B S T R A C TVarious experimental studies have been carried out on glass fiber reinforced concrete (GFRC), but in limited studies, the behavior of this type of concrete is evaluated using finite element method (FEM). In this study an analysis model is presented for predicting energy absorption capacity of glass fiber reinforced self-compacting concrete (GFRCSCC) beams and the results are compared with experimental study. For this purpose, the investigations are conducted in two experimental and numerical sections. In experimental section, the characteristics of fresh and hardened concrete have been evaluated using slump flow, V-funnel, L-box, T50, compressive strength, tensile strength and flexural strength tests. In numerical section, ABAQUS software has been used to simulate GFRCSCC beams. The concrete damage plasticity model has been used to simulated concrete material. The fiber contents are 0, 0.25, 0.75 and 1% of the mixed concrete by volume. The results show that the maximum increase in energy absorption capacity of beams compared to the plain concrete for 25, 35 and 45 concrete grade was 29, 33.2 and 53.75%, respectively. At last, the ultimate loads corresponding to the FEM are found to hold good agreement with experimental ultimate loads which validates the FEM.

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Determination of tensile strength of concrete using a novel apparatus

Cited by 44 publications

References 24 publications

4th Symposium on Doctoral Studies in Civil Engineering

4th Symposium on Doctoral Studies in Civil Engineering

Direct tensile strength test of concrete

Experimental and Numerical Study of Energy Absorption Capacity of Glass Reinforced SCC Beams

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