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All Journal JURNAL KAJIAN TEKNIK SIPIL Construction and Material Journal Jurnal Pendidikan Teknik dan Vokasional
Musalamah, Sittati
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Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Engineering Environmental Science Materials Science & Nanotechnology Mechanical Engineering Transportation Other

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AKTUALISASI KAPASITAS DAYA DUKUNG AKSIAL PONDASI TIANG PANCANG BERDASARKAN PARAMETER TANAH DAN STATIC LOADING TEST KASUS: PERENCANAAN GEDUNG DEWI SARTIKA DI UNJ Mulyono, Tri; Musalamah, Sittati; Hanifah, Nurul
Jurnal Kajian Teknik Sipil Vol 3, No 1 (2018): Jurnal Kajian Teknik Sipil
Publisher : Universitas 17 Agustus 1945 Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (975.126 KB) | DOI: 10.52447/jkts.v3i1.1151

Abstract

Pengaruh besarnya hasil hitungan nilai kohesi terhadap aktualisasi hasil perencanaan pondasi menggunakan beberapa metode perencanaan pondasi yang berbeda merupakan hasil penelitian yang dilakukan pada kapasitas daya dukung aksial pondasi tiang pancang untuk kasus perencanaan gedung Dewi Sartika di Universitas Negeri Jakarta. Tujuan utamanya untuk membandingkan hasil hitungan perencana yang menggunakan metode Meyerhof N-SPT, dengan membandingkan hasil hitungan kapasitas daya dukung tiang yang memperhitungkan nilai kohesi—yaitu metode Meyerhof (Clay) dan Vesic (Clay) untuk daya dukung ujung, serta metode α (Terzaghi, Peck dan Mesri serta Tomlinson) dan λ untuk daya dukung kulit. Sedangkan untuk menentukan aktualisasi dari beberapa metode perencanaan tersebut, digunakan hasil interpretasi static loading test. Hasil penelitian ini menunjukkan bahwa metode Meyerhof N-SPT merupakan metode yang lebih aktual untuk digunakan dalam perencanaan pondasi, karena nilai daya dukungnya paling mendekati hasil static loading test. Akan tetapi, hasil penurunan pondasi berdasarkan metode tersebut melebihi batas aman penurunan pondasi yang diijinkan. Sedangkan perencanaan menggunakan metode yang memperhitungkan nilai kohesi, hasil penurunan pondasinya masih memenuhi batas yang diijinkan.
KAJIAN KUAT TEKAN BETON RINGAN TIDAK TERKEKANG BERAGREGAT KASAR POLIPROPILENA DILAPISI PASIR Waoma, Adolf; Purnomo, Heru; Musalamah, Sittati
Construction and Material Journal Vol. 7 No. 2 (2025): Construction and Material Journal Vol. 7 No. 2 Oktober 2025
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/cmj.v7i2.7522

Abstract

This study aims to determine the compressive strength, density, and crack pattern of lightweight concrete utilizing polypropylene coated with sand as coarse aggregate and Tayan sand as fine aggregate. The research employs three mix design clusters based on the water-to-cement ratio (w/c): Cluster A with a w/c ratio of 0.347, Cluster B with a w/c ratio of 0.339, and Cluster C with a w/c ratio of 0.319. Cylinder-shaped specimens measuring 15×30 cm were prepared for each cluster. For the 15×30 cm cylinder specimens, the average compressive strength obtained was 21.69 MPa, 22.15 MPa, and 24.53 MPa for Clusters A, B, and C, respectively, with standard deviations of 0.59, 0.49, and 1.51. The density of lightweight concrete was recorded as 1717.54 kg/m³, 1689.17 kg/m³, and 1802.93 kg/m³ for Clusters A, B, and C, respectively. The observed crack pattern corresponds to Type 3, in reference to ASTM C39. Keywords: Lightweight Concrete; Polypropylene; Tayan
PERENCANAAN STRUKTUR INSTALASI PENGOLAHAN AIR LIMBAH RUMAH PEMOTONGAN HEWAN MENGGUNAKAN METODE ACTIVATED SLUDGE (Studi Kasus Rumah Pemotongan Hewan Pulo Gadung Jakarta Timur) Putra, Wira Agung Syah; Musalamah, Sittati; Rahmayanti, Henita
Jurnal Pendidikan Teknik dan Vokasional Vol. 3 No. 1 (2020): Jurnal Pendidikan Teknik dan Vokasional
Publisher : LPPM, Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (201.306 KB) | DOI: 10.21009/JPTV.3.1.40

Abstract

This reasearch aims to plan the wastewater treatment unit resulting from the activities of slaughterhouses (RPH) located in RPH Dharma Jaya Pulo Gadung. In planning RPH waste water treatment using Activated Sludge (active sludge) system. This wastewater treatment system will be planned in RPH Dharma Jaya Pulo Gadung neighborhood, East Jakarta. The results of the planning of a container tub, sedimentation tub and aeration tub with a total area of ​​114 m² overall. The 5 x 4 x 3 m container uses a concrete structure with 8 ø 20 and ø 12 - 100 mm reinforcement bars on its walls and 8 ø 20 and ø 12 - 125 mm bars on the bottom plate of the tub. In the first 3 x 1 x 3 m racking basin using a concrete structure with 8 ø 16 and ø 12 - 125 mm reinforcement on its walls and 8 ø 20 and ø 12 - 75 mm bars on the bottom plate of the tub. In the aeration tub with dimensions of 3 x 2 x 2.3 m using a concrete structure with 6 ø 16 and ø 12 - 100 mm reinforcement on the walls and reinforcement 6 ø 20 and ø 12 - 125 mm on the bottom plate of the tub. For the connecting channel with Q max of 2.85 m³ / sec we obtain the width and channel depth b = 14 cm and d = 7 cm for the channel from Bar Screen to the container. For the channel from the reservoir to the settling tub with Q max of 2.37 m³ / sec obtained b = 14 cm and d = 7 cm. And the channel from the settling tub to the aeration bath is 2.04 m³ / sec with the length b = 12 cm and d = 6 cm. Keywords: activated sludge, planning, wastewater treatment
Co-Authors Henita Rahmayanti Heru Purnomo Nurul Hanifah Putra, Wira Agung Syah Tri Mulyono Waoma, Adolf