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Dwiyanto WIbowo, Paksi
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Humanities Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Education Public Health Social Sciences

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Implementasi Pembuatan Konstruksi Sumur Biopori Di Kelurahan Meruya Selatan Wibisono, Anom; Citra, Zel; Malinda, Yosie; Dwiyanto WIbowo, Paksi
Jurnal Pengabdian West Science Vol 3 No 05 (2024): Jurnal Pengabdian West Science
Publisher : Westscience Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58812/jpws.v3i05.1151

Abstract

Tindakan untuk meminimalisir kejadian genangan atau banjir di wilayah DKI Jakarta serta meningkatkan konservasi air untukterjaminnya ketersediaan air bersih di Kota Jakarta, maka salah satu solusinya dengan Pekerjaan Pembuatan Lubang Biopori dan Sumur Resapan di wilayah di Kota Jakarta. Biopori adalah teknik sederhana untuk melindungi tanah dan menghasilkan kualitas air yang bersih. Biopori dibuat dengan prinsip ekohidrologi, yaitu untuk memperbaiki kondisi tanah sehingga fungsi hidrologi ekosistem terjaga. Teknik ini bisa digunakan pada area padat pemukiman dan tidak memiliki lahan terbuka sama sekali, atau area persawahan di area perbukitan. Dalam rangka memberi solusi bagi persoalan air hujan, lingkungan dan kesehatan masyarakat sekitar Kelurahan Meruya Selatan tersebut maka diusulkan program pengabdian berjudul “Implementasi Pembuatan Konstruksi Sumur Biopori Sebagai di Kelurahan Kembangan Meruya Selatan”.
Inspection of Foundation Structures with Pile Integrity Test (PIT) of Steel Tower Building Citra, Zel; Malinda, Yosie; Dwiyanto Wibowo, Paksi; Ferial Ashadi, Reza; Wibisono, Anom; Apdeni, Risma
Rekayasa Sipil Vol. 18 No. 2 (2024): Rekayasa Sipil Vol. 18 No. 2
Publisher : Department of Civil Engineering, Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2024.018.02.10

Abstract

Pile Integrity Test (PIT) is a tool from Pile Dynamic Inc. (PDI), consisting of a mini-computer, accelerometer, and hammer. Integrity testing on piles using PIT equipment is carried out by analyzing one-dimensional wave propagation provided by hammer blows on the pile head. An accelerometer sensor installed on the pole will read the reflection that occurs during wave propagation on the pole head. The wave propagation speed that occurs in concrete will range from 3,500 m/s to 4,200 m/s. The PIT test results indicate the reduction in impedance in the pole by the BTA value, which compares the theoretical impedance value to the residual impedance. From the results of the Pile Integrity Test carried out at three pile points, it was found that all samples experienced a reduction in impedance around a depth of ± 3.0 meters below the sensor with BTA values of 75%, 78%, and 72% and fell into the damaged category. The reduction in impedance at a depth of 3 meters is most likely part of the connection between piles because one pile point uses 2–3 spun piles, with the length of 1 spun pile being 9 meters. From the results of visual observations, it can be seen that the condition of the existing spun pile and pile cap is still quite good.
Co-Authors Anom Wibisono Ashadi, Reza Ferial Citra, Zel Malinda, Yosie Risma Apdeni