ISSN 2715-6141 (print) | 2715-4831 (online)

Vol. 3., No. 1, Maret 2021, pp. 23-30 https://teslink.nusaputra.ac.id/index

Dody Kusmanaa,1,*

a Jurusan Teknik Sipil, Universitas Sangga Buana YPKP, Bandung, Indonesia 1dody.kusmana@usbypkp.ac.id*

* Corresponding Author

Sesuai dengan permintaan kami telah melakukan kegiatan kajian pengujian lapangan berupa pengujian Ultrasonic pulse velocity (UPV), pada struktur bangunan Gedung Pasar Kosambi yang terletak di Bandung. Adapun isi didalam tulisan ini dibuat dengan memenuhi standar dan persyaratan yang berlaku di Indonesia, serta bertanggung jawab secara profesional atas hasil dari jasa konsultansi yang diberikan sesuai dengan ketentuan dan kode tata laku profesi yang berlaku. Kegiatan pemeriksaan dan pengujian ini bertujuan untuk memastikan Bangunan Pasar Kosambi dalam kondisi yang baik setelah mengalami kebakaran hampir 40 jam di lantai semi basement pada tanggal 18 mei 2019. Sehingga, setelah proses pengujian di lakukan dan analisa dapat difungsikan dengan layak dan aman sesuai rencana bisnis pasar kosambi. Pengujian UPV untuk mengetahui kepadatan beton diambil pada bangunan Pasar Kosambi Bandung dengan total lokasi uji sebanyak 25 Titik. Pengujian kepadatan beton dilakukan pada Kolom, Balok dan Pelat Lantai dengan metoda Direct, dan Semi-Direct. Berdasarkan integritas kepadatan beton ( Ultrasonic Pulse Velocity ) dengan hasil pengujian menunjukan tingkat kepadatan beton yang masuk kedalam kategori buruk dengan nilai rambatan 2.4 km/sec ( 20,4 Mpa atau 240,9 kg/cm2) hingga kategori sangat baik dengan nilai rambatan 4.6 km/sec ( 45,2 Mpa atau 533,7 kg/cm2).

Ultasonic Pulse Velocity

Engineering Struktur Bangunan

Kepadatan Beton

In accordance with the request, we have conducted field testing activities in the form of Ultrasonic pulse velocity (UPV) testing, on the building structure of the Pasar Kosambi building located in Bandung. The contents in this report are made in accordance with the standards and requirements applicable in Indonesia, and are professionally responsible for the results of consulting services provided in accordance with the provisions and the applicable professional code of conduct. This inspection and testing activity aims to ensure the Kosambi Market Building is in good condition after experiencing a fire for almost 40 hours on the semi basement floor on May 18, 2019. So that, after the testing process is carried out and the analysis can be functioned properly and safely according to the market business plan boarding house. UPV testing to determine the density of concrete was taken at the Pasar Kosambi Bandung building with a total test location of 25 points. Concrete density testing was carried out on Columns, Beams and Floor Slabs using the Direct and Semi-Direct methods. Based on the integrity of the concrete density (Ultrasonic Pulse Velocity), the test results show the level of concrete density which is in the bad category with a propagation value of 2.4 km / sec (20.4 Mpa or 240.9 kg / cm2) to the very good category with a propagation value of 4.6 km / sec (45.2 MPa or 533.7 kg / cm2).

Ultasonic Pulse Velocity

Engineering Studi of Building

Structure

Concrete Density

This is an open-access article under the CC–BY-SA license

ISSN 2715-6141 (print) | 2715-4831 (online) Vol. 3., No. 1, Maret 2021, pp. 23-30

Dody Kusmana (Penggunaan ultrasonic pulse velocity untuk kajian engineering struktur bangunan gedung…)

1. Pendahuluan

SSN 2715-6141 (print) | 2715-4831 (online) Vol. 3., No. 1, Maret 2021, pp. 23-30

Dody Kusmana (Penggunaan ultrasonic pulse velocity untuk kajian engineering struktur bangunan gedung…)

2. Metode Pengujian Ultrasonic Pulse Velocity

2.1. Prinsip Kerja Metode Ultrasonik

( sec).

2.2. Metode Pengujian Kualitas Beton

Gambar 1. Metoda Transmisi Langsung

T

LV

Beton L

R T

ISSN 2715-6141 (print) | 2715-4831 (online) Vol. 3., No. 1, Maret 2021, pp. 23-30

Dody Kusmana (Penggunaan ultrasonic pulse velocity untuk kajian engineering struktur bangunan gedung…)

Tabel 1. Tingkat Kualitas Beton Berdasarkan Uji UPV [16, p. 506]

Kecepatan rambat gelombang ultrasonic (UPV) (km/sec) Kualitas Beton > 4.5 Sangat baik

3.5 – 4.5 Baik

3.0 – 3.5 Cukup Baik

2.0 - 3.0 Buruk

< 2.0 Sangat Buruk

Gambar 2. Gambar Ultrasonic Pulse Velocity

3. Hasil Dan Pembahasan

engujian UPV pada bangunan Pasar

Kosambi Bandung, yang terlihat pada Tabel 2.

Tabel 2. Hasil pengujian kepadatan beton pada Pasar Kosambi Bandung

Lokasi Elemen

Struktur

Nilai Rata- Keterangan

Estimasi

Rata (km/sec) Mpa (Kg/cm2)

Basement Kolom 1B 4.6 Sangat Baik 45,2 533.7 Basement Kolom 5C 4.2 Baik 39,8 469.9

Basement Kolom 7E 3.9 Baik 35,2 415.6

Basement Kolom 8G 3.5 Cukup Baik 31,2 368.4

Basement Kolom 7H 4.3 Baik 40,3 475.8

Basement PELAT 6I 4.5 Baik 44,6 526.6

Basement Kolom 6H 4.4 Baik 34,4 512.4

Basement Balok 6I 4.3 Baik 40,8 481.7

S. Basement Kolom 8A 3.0 Buruk 25,7 303.4

S. Basement Kolom 6D 2.5 Buruk 21,4 252.7

S. Basement Kolom 7E 3.3 Cukup Baik 28,1 331.8

S. Basement Kolom 5G 3.8 Baik 34,3 405.0

S. Basement Balok 6L 4.0 Baik 36,0 425.1

S. Basement Kolom 4I 2.4 Buruk 20,4 240.9

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Dody Kusmana (Penggunaan ultrasonic pulse velocity untuk kajian engineering struktur bangunan gedung…)

S. Basement Kolom 5J 3.6 Baik 32,1 379.0

S. Basement Kolom 5K 4.1 Baik 37,5 442.8

S. Basement Kolom 6C 3.2 Cukup Baik 27,8 328.2

S. Basement Pelat I6 4.2 Baik 39,8 469.9

S. Basement Kolom 4E 3.1 Cukup Baik 26,4 311.7

S. Basement Kolom 6E 2.8 Buruk 23,6 278.7

S. Basement Kolom 5H 2.7 Buruk 22,3 263.3

Lantai 1 Kolom 6D 3.6 Baik 32,3 381.4

Lantai 1 Kolom 6F 3.8 Baik 34,40 406.2

Lantai 1 Kolom 5H 4.3 Baik 40,20 474.7

Lantai 1 Kolom 8G 4.4 Baik 42,40 500.6

ISSN 2715-6141 (print) | 2715-4831 (online) Vol. 3., No. 1, Maret 2021, pp. 23-30

Dody Kusmana (Penggunaan ultrasonic pulse velocity untuk kajian engineering struktur bangunan gedung…)

Gambar 3. (a), dan (b) hasil kondisi lapangan dari uji kepadatan beton pada Pasar Kosambi Bandung

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Dody Kusmana (Penggunaan ultrasonic pulse velocity untuk kajian engineering struktur bangunan gedung…)

4. Kesimpulan

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