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All Journal Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil BANGUN REKAPRIMA Jurnal Teknik Sipil Macca
Parhadi
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Humanities Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Education Engineering Transportation Other

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PENGEMBANGAN PROTOTIPE ALAT UJI PERMEABILITAS BETON BERPORI UNTUK MENENTUKAN KOEFISIEN PERMEABILITAS Rabinah, Aiun Hayatu; Jamal Mahbub; Suparman; Lilik Satriyadi; Parhadi; Bimawijaya Laia
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol. 30 No. 1 (2025): Wahana Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v30i1.6481

Abstract

The increasing growth of infrastructure and building development has led to a reduction in land surface cover. The lack of surface cover significantly impacts the environment, such as causing severe flooding. To address water-related issues, one approach is to manage runoff at its source through Low Impact Development (LID) strategies, such as permeable pavements. One method used to infiltrate water is porous concrete. Key parameters of porous concrete include strength, water-cement ratio, porosity, and permeability coefficient. The permeability coefficient of porous concrete is obtained through permeability testing. Laboratory permeability tests are more commonly used than field-testing. Therefore, it is important to have a dedicated tool for testing the permeability of porous concrete. The first stage involves the development and testing of a prototype, which includes prototype design, material survey, material procurement, equipment preparation, prototype construction, and testing. The prototype development refers to the ACI 522R-10 standard. The results of the prototype testing are analyzed using Darcy’s law to determine the permeability coefficient and analyze the flow characteristics. Based on the research findings, the permeability test prototype for porous concrete can be used as a testing tool for porous concrete permeability both in laboratory and field settings. The prototype exhibits laminar flow, thus allowing Darcy’s law to be applied for evaluating hydraulic conductivity.
PENERAPAN IPTEK UNTUK PEMBANGUNAN GREEN HOUSE PEMBIBITAN PADA PROGRAM URBAN FARMING DI RT 06 RW 13 JALAN BUKIT CEMARA INDAH XI KELURAHAN METESEH KECAMATAN TEMBALANG SEMARANG: PENERAPAN IPTEK UNTUK PEMBANGUNAN GREEN HOUSE PEMBIBITAN PADA PROGRAM URBAN FARMING DI RT 06 RW 13 JALAN BUKIT CEMARA INDAH XI KELURAHAN METESEH KECAMATAN TEMBALANG SEMARANG Buana, Lalu Yahya Surya; Praharseno, Fikri; Suwarto; Lestari, Nor Puji; Ariyanto, Arief Subakti; Sulaiman, Sriwahyuningsih; Suparman; Wahjoedi; Parhadi; Devilito, Rio
Bangun Rekaprima Vol. 11 No. 1 (2025): April 2025
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/bangunrekaprima.v11i1.6578

Abstract

Urban farming is an effort to maintain resilience in the capital city of Central Java. The Semarang City Government continues to be committed to improving the quality of regional development with benchmarks from aspects of development achievement, quality aspects, document preparation aspects, and innovation aspects. In 2023, the Semarang City Government will carry out program innovations such as the Food Startup Challenge, Urban farming Corner, Rumah Gizi Pelangi Nusantara, and Sekolah Berkebun which will be included in the assessment of the Regional Development Awards (PPD) for Regency/City at the Central Java Province level. In carrying out this innovation, the Semarang City Government also encourages the involvement of all levels of society, especially women's groups and children through the curriculum in schools. This urban farming can support nutritional improvements for stunted children in the City of Semarang. As is known, the City of Semarang has succeeded in scoring a hat trick as the first best city in the Regional Development Awards or PPD for 3 consecutive years (2019, 2020, 2021) both at the Central Java Province and national levels. One of the activities that can support the urban farming program is the availability of green houses for plant nurseries in the RT, RW, and sub-district sectors. The construction of green houses for nurseries is very important for the community, especially residents of RT 06, Meteseh Village, so that they can produce plant seeds independently and can carry out planting activities or movements carried out by the Semarang city government
Analisis Monitoring Progres Fisik Menggunakan Microsoft Project: Studi Kasus: Pekerjaan Timbunan Paket 1 Proyek Pembangunan Bendungan XYZ Isnubroto, Danang; Hadi, Tjokro; Mulyono, Tedjo; Supriyadi; Parhadi; Ariyanto, Arief Subakti
Jurnal Teknik Sipil MACCA Vol. 9 No. 2 (2024): Jurnal Teknik Sipil MACCA
Publisher : Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33096/cbjew741

Abstract

Pekerjaan Bendungan XYZ Paket 1 (satu) mempunyai 5 (lima) pekerjaan utama yaitu: timbunan inti, timbunan filter halus, timbunan random kasar, timbunan filter kasar dan timbunan rip – rap. Analisis progres fisik pada pekerjaan tersebut perlu dilakukan untuk mengantisipasi terjadinya keterlambatan. Berdasarkan analisis menggunakan program bantu Microsoft Project didapatkan progres rata – rata aktual dan sisa adalah pekerjaan timbunan inti sebesar 941 m3/hari dan 1861 m3/hari, timbunan filter halus 180 m3/hari dan 554 m3/hari, timbunan random kasar 9020 m3/hari dan 9754 m3/hari, pekerjaan timbunan filter kasar 0 m3/hari dan 178 m3/hari, pekerjaan rip – rap 32 m3/hari dan 381 m3/hari. Hasil tersebut menunjukkan bahwa produktifitas rata – rata aktual lebih kecil dibandingkan produktifitas rata – rata sisa, sehingga proyek berpotensi mengalami keterlambatan. Untuk mengejar keterlambatan dapat ditambah jumlah alat berat dan sumber daya lainnya, serta target waktu pelaksanaan proyek dapat tercapai apabila target progres sisa per hari dapat tercapai.
Co-Authors Ariyanto, Arief Subakti Bimawijaya Laia Buana, Lalu Yahya Surya Devilito, Rio Hadi, Tjokro Isnubroto, Danang Jamal Mahbub Lestari, Nor Puji Lilik Satriyadi Mulyono, Tedjo Praharseno, Fikri Rabinah, Aiun Hayatu Sulaiman, Sriwahyuningsih Suparman Supriyadi Suwarto Suwarto Wahjoedi