CD Tesis

Perkuatan Geser Balok Beton Bertulang Eksisting Dengan Menggunakan Metode Deep Embedment

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The load capacity of old reinforced concrete structures is often insufficient
to meet current standards. This is due to increased load requirements, inadequate
shear requirements of the original design, material degradation, or increased
capacity associated with flexural reinforcement. This study experimentally
analyzed the behavior of existing reinforced concrete beams 2000 x 150 x 200 mm
reinforced using deep embedment steel with a diameter of Ø12 mm on the BII
beam and Ø8 mm on the BIII beam compared with the BI control beam. Before
conducting experimental testing, forensic testing was carried out in the form of a
rebar locator, hammer test and core drill sampling from the specimen to take
material properties data from the test object. Loading is applied until the beam
has the first crack, and then the beam is strengthened and re-loaded until it fails.
After the specimen collapses, a sample of the installed reinforcement is taken to
test the tensile strength of the steel reinforcement. The experimental results
showed the contribution of steel reinforcement embedded in the core of existing
concrete beams to increased load capacity. The maximum load of the control
beam BI is 30 kN with a deflection at 17.24 mm, the maximum load of the
reinforcement beam BII was 43 kN, which was 43% higher than that of the
control beam with a deflection at 13.00 mm, and the maximum load of the
reinforcement beam BIII was 42 kN, which was 40% higher than that of the
control beam with a deflection of 14.50 mm. The stiffness of the control beam BI
was 1.74 kN/mm. The stiffness of the reinforced beam BII was 3.31 kN/mm, which
was 90% higher than that of the control beam, and the stiffness of the reinforced
beam BIII was 2.90 kN/mm, which was 66% higher than that of the control beam.
The shear capacity of BI, BII and BIII concrete beams were 20.14 kN, 48.46 kN
and 35.68 kN. Deep embedment shear reinforcement with Ø12 mm has
significantly improved in resisting shear forces on existing reinforced concrete
beams. The cracks developed during the reinforced beams second loading phase
are identical to the loading of the first. The developing cracks widen as the load
increases, and the specimen got bending collapse.
Keywords: existing reinforced concrete beam, forensic test, shear strengthened,
deep embedment method

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Ketersediaan

Informasi Detail

Judul Seri

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No. Panggil

1910247085

Penerbit

Pekanbaru : Universitas Riau – Pascasarjana – Tesis Teknik Sipil., 2023

Deskripsi Fisik

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Bahasa

Indonesia

ISBN/ISSN

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Klasifikasi

1910247085

Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

TEKNIK SIPIL

Info Detail Spesifik

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Pernyataan Tanggungjawab

FATAH

Versi lain/terkait

Lampiran Berkas

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