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All Journal Journal of Tropical Life Science : International Journal of Theoretical, Experimental, and Applied Life Sciences Medali Jurnal : Media Dental Intelektual Jurnal Penelitian Hutan dan Konservasi Alam Buletin Kebun Raya Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil BANGUN REKAPRIMA Jurnal Politik Profetik BERITA BIOLOGI MAJALAH ILMIAH GLOBE Jurnal Environmental Science JWP (Jurnal Wacana Politik) Edukasi : Jurnal Penelitian dan Artikel Pendidikan Jurnal Kolaboratif Sains JISIP: Jurnal Ilmu Sosial dan Pendidikan MATHEMA: JURNAL PENDIDIKAN MATEMATIKA J-3P (Jurnal Pembangunan Pemberdayaan Pemerintahan) Jurnal Politik Pemerintahan Dharma Praja Jurnal Kebijakan Pemerintahan Jurnal MSDA (Manajemen Sumber Daya Aparatur) Sinar Sport Journal Jurnal Hilirisasi Technology kepada Masyarakat (SITECHMAS) Jurnal Teknik Industri Jurnal Teknik, Komputer, Agroteknologi dan Sains Jurnal Ilmiah Multidisiplin Amsir Amsir Community Service Journal Dedikasi : Jurnal Pengabdian Lentera JGEN : Jurnal Pengabdian Kepada Masyarakat Indonesian Journal of Jamu EDUKASI : Jurnal Penelitian dan Artikel Pendidikan

SUDARMONO SUDARMONO

Pusat Teknologi Reaktor dan Keselamatan Nuklir (PTRKN) - BATAN

Author-ID : 387706

Religion Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Medicine & Pharmacology Physics Public Health Social Sciences Transportation Other

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PENDAMPINGAN PEMBANGUNAN PONDASI JEMBATAN SEBAGAI AKSES PERUMAHAN PERMATA JANGLI TAHAP 2 Sulistiawati, Baiq Heny; Pangesti, Rendy Dwi; Supriyadi, Supriyadi; Fatmawati, Leily; Rahmawati, Roselina; Setyono, Karnawan Joko; Sukoyo, Sukoyo; Mulyono, Tedjo; Sudarmono, Sudarmono; Warsiti, Warsiti
Bangun Rekaprima Vol. 10 No. 1 (2024): April 2024
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/bangunrekaprima.v10i1.5584

Bridges have a central role as routes that connect between regions, one of which is Permata Jangli Housing Phase 2. Because of the importance of this connectivity, community dedication to repairing bridges is a major concern in efforts to maintain the safety and sustainability of the bridge. This community service examines repair methods for the retaining walls around the bridge to avoid the potential for the bridge to be eroded by water flow. Through the active participation of community members and the implementation of appropriate construction techniques, the results of this collaboration show that the retaining walls around the bridge have been successfully repaired, as well as increasing their resistance to water pressure and erosion. The success of this community service not only improves the quality of life of local residents by ensuring sustainable connectivity, but also empowers communities in efforts to preserve their vital infrastructure. This community service can be an inspiring example for similar efforts in similar housing complexes that face similar challenges in maintaining important infrastructure such as bridges. This underlines the important role of community service in maintaining infrastructure as a key aspect in sustainable development in urban housing.

OPTIMALISASI PEMANFAATAN LIMBAH PECAHAN BATA UNTUK MENINGKATKAN KETERAMPILAN BATU DI KELURAHAN NGADIRGO KOTA SEMARANG Wicaksono, Teguh Mulyo; Wasino, Wasino; Mukhlisin, Muhammad; Supriyadi, Supriyadi; Sudarmono, Sudarmono; Junaidi, Junaidi; Sukoyo, Sukoyo; Suwarno, Anung; Mahmudi, Wildana Latif; Abdillah, Rifqi Aulia
Bangun Rekaprima Vol. 10 No. 1 (2024): April 2024
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/bangunrekaprima.v10i1.5467

2022 is the beginning of offline learning after the Covid-19 pandemic. where previously learning was carried out online including practicums. One of the practicums carried out in the Semarang State Polytechnic Civil Engineering department is the masonry practicum which is carried out for semester 1 students. With the offline masonry practicum, the practicum will leave behind brick fragments that can no longer be used. These broken bricks will usually be thrown away at the end of each semester after all the practicums have been carried out. the proportion of brick fragments to intact bricks usually reaches 30% to 40%. The construction workers come from the Ngadirgo community, they learn building work autodidactically based on experience. With the continued development of BSB, there are quite a lot of employment opportunities, including development workers. Techniques and methods of masonry work that comply with construction standards can increase the ability of craftsmen to become skilled workers so that it is hoped that they can improve the welfare of the community around Ngadirgo sub-district, Mijen sub-district. Ngadirgo sub-district currently has a village cemetery which is located in Ngadirgo hamlet RW 2, in this cemetery there is no coffin house which is used to store death equipment including the coffin which is currently still entrusted to one of the residents' house. With the existence of coffin house products made from brick masonry in the village cemetery area.

OPTIMALISASI PEMANFAATAN LIMBAH ABUTA (ABU SEKAM PADI, DAN SERBUK BATA) SEBAGAI SUBTITUSI SEMEN PADA CAMPURAN BETON RAMAH LINGKUNGAN Wicaksono, Teguh Mulyo; Mukhlisin, Muhammad; Fatmawati, Leily; Rahmawati, Roselina; Supriyadi, Supriyadi; Sukoyo, Sukoyo; Sudarmono, Sudarmono; Herlambang, Fajar Surya; Anastasya, Frida
Bangun Rekaprima Vol. 10 No. 1 (2024): April 2024
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/bangunrekaprima.v10i1.5681

Construction prioritizes the strength of concrete without thinking about the negative impact on the environment. The cement industry is estimated to contribute 5-7% of CO2 gas emissions in the world. On the other hand, Indonesia is also faced with environmental problems caused by various industrial waste. From this problem an innovation emerged, namely ABUTA (husk ash and brick ash). The aim of this innovation is to create a concrete innovation using Abuta Waste (Rice Husk Ash, and Brick Powder). For the manufacture of economical, environmentally friendly concrete to reduce the negative impacts caused by excessive use of cement and reduce industrial waste in Indonesia. In writing this proposal the author used the experimental writing method and data collection method. The concrete innovation applied is concrete with a mixture of variations in the composition of rice husk ash powder and red brick powder of 10% of the cement composition in conventional concrete so that it is more economical and environmentally friendly. In this study, the ACI (American Concrete Institute) mix design method was used with the required design quality of 30 MPa. It is hoped that this innovation can become an environmentally friendly concrete innovation to reduce the negative impacts of excessive cement use and reduce industrial waste in Indonesia. Based on the mix design, the proportion of ash mixture (rice husk ash and brick powder) is 1:1. Meanwhile, the ratio of the amount of ash mixture to cement is 10%: 90%. The compressive strength of concrete with a 0% Abuta mix variation (7 days old) was 19.5, while the concrete innovation with a 10% Abuta mix variation (7 days old) was 15.70 Mpa. This means that the 10% mixture reduces the compressive strength value by 46.28% below the 0% abuta mixture variation. Using a mixture of 10% ash (rice husk ash and brick powder) in innovative concrete can reduce production costs by IDR. 76,700/m ³. Based on the materials obtained in this manufacture, it can be concluded that to obtain optimal compressive strength, better quality materials are needed. The application of concrete can be applied in casting work floors and non-structural construction work such as buildings that require general load power such as housing, sculpture, home interiors and others.

PEMODELAN PENINGKATAN KADAR AIR AKIBAT INFILTRASI DITINJAU DARI PARAMETER KEKUATAN TANAH Lestari, Nor Puji; Suwarno, Anung; Mulyono, Tedjo; Sudarmono, Sudarmono; Praharseno, Fikri; Wicaksono, Teguh Mulyo
Bangun Rekaprima Vol. 9 No. 1 (2023): April 2023
Publisher : Politeknik Negeri Semarang

Tanah merupakan salah satu aspek penting dalam konstruksi yang memerlukan perhatian saat perencanaan yang berhubungan dengan daya dukung pondasi, stabilitas lereng, tekanan tanah lateral serta bangunan sipil lainya. Sehingga banyak kejadian kegagalan struktur geoteknik terjadi saat kondisi tanah paling kritis. Oleh sebab itu, penelitian ini dirancang untuk mempelajari bagaimana pengaruh variasi kadar air terhadap kekuatan tanah pada kondisi normal dan jenuh sempurna. Metode yang digunakan pada penelitian ini adalah metode eksperimental di Laboratorium Mekanika Tanah Politeknik Negeri Semarang. Peningkatan variasi nilai infiltrasi dilakukan dengan cara merendam sampel tanah dalam cawan. Setelah dilakukan pemeraman, kemudian sampel tanah diuji triaksial UU. Penelitian menunjukkan bahwa pada awal penjenuhan penyerapan air maksimum akan tercapai (19,6%) dan akan berkurang sebanding dengan lama penjenuhan. Nilai kadar air bertambah mendekati nilai 100% saat penjenuhan berlangsung selama 10 hari. Parameter kuat geser tanah (kohesi) akibat penjenuhan sebesar 0,39 kg/cm2; 0,28 kg/cm2 dan 0,35 kg/cm2. Sedangkan semakin jenuh tanah maka nilai sudut gesek dalam tanah juga menurun mendekati nilai nol, yaitu 11,80o; 12,17o dan 2,76o. Bertambahnya nilai kadar air pada tanah mengakibatkan menurunnya nilai kohesi dan sudut gesek dalam pada tanah. Semakin jenuh tanah (semakin lama penjenuhan) maka sudut gesek dalam tanah mendekati nol dan kohesi tanah lebih kecil dibanding kondisi tanah asli. Sehingga semakin jenuh tanah maka nilai daya dukung tanah tersebut semakin kecil.

PENGENALAN DAN PELATIHAN PENGAMBILAN SAMPEL TANAH DISTURBED DAN UNDISTURBED UNTUK SISWA SMK 7 BIDANG KEAHLIAN KONSTRUKSI JALAN, IRIGASI, DAN JEMBATAN Sulistiawati, Baiq Heny; Harprastanti, Primasiwi; Fatmawati, Leily; Suwarno, Anung; Setyono, Karnawan Joko; Wahyumi, Puji; Sudarmono, Sudarmono; Mahmudi, Wildana Latif
Bangun Rekaprima Vol. 9 No. 2 (2023): Oktober 2023
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/bangunrekaprima.v9i2.5221

One of the challenges faced by students from SMK is the learning atmosphere and learning system applied by PTV. This is due to the gap between the SMK curriculum and PTV. State Vocational High School (SMKN) 7 Semarang is one of the vocational schools located in the city of Semarang. SMKN 7 Semarang has 8 expertise competencies, one of which is competence in the field of civil engineering, namely Building Construction, Sanitation and Maintenance (KGSP) and Road, Irrigation, and Bridge Construction (KJIJ). Students of SMKN 7 Semarang already have a basic understanding of civil engineering, but when they enter the PTV world, they still experience difficulties in several fields. Therefore, to bridge and fill the gap from the SMK curriculum to PTV, it is necessary to introduce and train related fields of civil engineering, one of which is field testing. Semarang State Polytechnic as one of the universities has competent human resources to provide solutions to these problems. The PKM team provided introduction and training on the use of hand drill and vane shear tools used for soil testing. The hand drill is used to take disturbed and undisturbed soil samples, while the shear vane is used to determine the shear condition of the soil. After conducting the introduction and training activities, students can better understand how to use the test equipment. In addition, students also understand better in analyzing soil data obtained from testing.

KOMPARASI KAPASITAS DAYA DUKUNG TIANG PANCANG BERDASARKAN DATA N-SPT, KALENDERING, DAN PDA TEST (Studi Kasus: Proyek Pembangunan Jalan Tol Semarang ”“ Demak Seksi 2: STA 10+690 s.d. 27+000) Pratama, Nindita; Nagari, Prajna Estetikaning; Sudarmono, Sudarmono; Setyono, Karnawan Joko; Suwarno, Anung
Bangun Rekaprima Vol. 8 No. 2 (2022): Oktober 2022
Publisher : Politeknik Negeri Semarang

Ruas Jalan Tol Semarang ”“ Demak diharapkan dapat mengatasi kemacetan di jalur pantura Semarang-Demak-Surabaya yang sudah melebihi kapasitas. Jalan Tol Semarang ”“ Demak Seksi 2 dibangun di atas tanah lunak dan mempunyai karakteristik daya dukung rendah. Untuk mengatasi masalah tersebut, dipilih konstruksi jalan dengan sistem struktur plat pada tiang (Slab on Pile). Konstruksi plat tiang mempunyai daya dukung yang baik untuk kondisi tanah tersebut, dimana beban konstruksi bagian atas ditahan oleh gaya geser (gaya gesek) sepanjang selimut tiang, Sistem Slab on Pile menggunakan perhitungan kapasitas daya dukung friksi. Penentuan kapasitas daya dukung tiang dapat dilakukan metode empiris: berdasarkan data N-SPT (Standart Penetration Test) menggunakan metode Meyerhoff (1976) dan kontrol akhir dengan data kalendering menggunakan metode Hilley (1930) serta PDA Test ( Pile Driving Analyzer) dengan analisis CAPWAP (Case Pile Wave Analysis Program). Berdasarkan penelitian diperoleh daya dukung kalendering terhadap jumlah segmen dari konfigurasi tiang pancang menunjukkan peningkatan secara linear. Perbandingan daya dukung tiang pancang berdasarkan metode empiris yaitu data N-SPT dengan metode Meyerhoff cenderung memiliki nilai daya dukung yang lebih kecil dari hasil pengujian dinamik melalui PDA. Sedangkan berdasarkan kalendering menggunakan metode Hilley menunjukan nilai daya dukung yang relatif sama dengan PDA, hal ini karena keduanya merupakan tes dinamik.

Rancang Bangun Komponen Pendorong Alat Pasang Pendrol Untuk Uji Penambat Rel Hadi, Tjokro; Sugiharto, Sugiharto; Supriyo, Supriyo; Sutarno, Sutarno; Sudarmono, Sudarmono
Bangun Rekaprima Vol. 4 No. 2 (2018): Oktober 2018
Publisher : Politeknik Negeri Semarang

Tahun 2012 Jurusan Teknik Sipil Politeknik Negeri Semarang membuka program studi baru yaitu program studi D4 Jalan dan Jembatan Kereta Api. Pada semester 5 ada mata kuliah Uji Bahan Bangunan 3, dimana pada mata kuliah ini terdapat alat uji Cabut Rel dari bantalan, yaitu menguji kekuatan penambat rel. Laboratorium Bahan Bangunan jurusan Teknik Sipil Politeknik Negeri Semarang sejak tahun 2015 telah memiliki alat uji cabut penambat rel jenis clip (pendrol). Ternyata dalam pelaksanaan uji, dibutuhkan alat bantu / tambahan untuk memasang pendrol karena pendrol harus dipasangkan pada bantalan, kesulitan yang dihadapi adalah bantalan tempat memasang pendrol merupakan bantalan beton tunggal berdiri sendiri sehingga tidak stabil kedudukannya, maka pemasangan pendrol dengan dipukul menggunakan palu besar tidak bisa dilakukan. Disisi lain memasang pendrol dengan alat yang telah dibuat susah dilakukan karena kelemahan pada bagian konstruksi pendorongnya. Karena kondisi tersebut mengakibatkan mahasiswa mengalami hambatan dalam pelaksanaan praktikum, Maka penelitian ini akan mengkaji konstruksi pendorong alat pasang pendrol. Penelitian ini fokus pada bagian konstruksi pendorong, penelitian ini dilakukan untuk meningkatkan kinerja alat, sehingga akan berdampak pada kualitas dan efisien waktu pelaksanaan proses belajar mengajar laboratorium Bahan Bangunan Program Studi Perancangan Jalan dan Jembatan. Hasil akhir pada penelitian ini adalah terwujudnya alat untuk memasang pendrol yang bekerja sempurna.Alat yang dirancang pada penelitian ini didasarkan pada perancangan alat sebelumnya dan disempurnakan berdasar pertimbangan fungsi yang optimal namun simple dan mudah diaplikasikan dalam praktek.

Co-Authors Afifi, Fakhrunnisa Cahya Ahmad Fikri Ali, Mukhlis Alle, Elkis Amir, Hasbiyah Anastasya, Frida Andri, Mohammad ANDRIA AGUSTA Anung Suwarno, Anung Arina, Diny Sefta Ariyuni, Ni Wayan BEDDU, MEGAWATI Busman, Aqilah Luthfiah Dewi, Vini Komala Dewy, Yuhani Mustika Diana Prameswari, Diana Didi Kusaeri Dwi Indriani Edo, Trisno Endang Sjamsudin Fajar Surya Herlambang Febi Luthfiani, Febi Hadi, Tjokro Harprastanti, Primasiwi Hartutiningsih-M. Siregar HERLINA HIDAYATI, HERLINA Hidayat, Ade Nurul I Made Aditya Nugraha Idrus, Muhamad Amril Ilahi, Andi Alfianto Anugrah Jayadi Jayadi Junaidi Junaidi Kharisma, Yudhi Leily Fatmawati, Leily Lestari, Nor Puji Lilik Satriyadi, Lilik Maisah Maisah Martiani Martiani, Martiani Muhammad Mukhlisin Mulyono, Tedjo Nagari, Prajna Estetikaning Neneng Hasanah Norhayatun, Norhayatun Nur Afni Pangesti, Rendy Dwi Praharseno, Fikri Praptiwi Praptiwi Prasetya, Dwi Indra Pratama, M Hafidh Aditya Pratama, Nindita Puji Wahyumi, Puji Putra, Ririn Ade Putri, Nikmah Sistia Eka R. Subekti Purwantoro Rabinah, Aiun Hayatu Rafiuddin, Rafiuddin Rifqi Aulia Abdillah, Rifqi Aulia Rompon, Reinsart Sampe Roselina Rahmawati Rustam, Utary S. Sugiharto Saefulhadi, Arum Almalivia Setiyono, Karnawan Joko Setyono, Karnawan Joko Siradj, Agung Muhammad Sirajd, Agung Muhammad Stefanus Santosa Suhardjo Suhardjo Sukardi Sukardi Sukoyo Sukoyo Sulistiawati, Baiq Heny Suparman Suparman Supriyadi Supriyadi Supriyanto , Supriyanto Supriyo Supriyo Sutarno Sutarno Suwarto Suwarto Syahrir, Azhar Tambunan, Kaminton Vantika, Sandy Warsiti Warsiti Wasino Wasino Wicaksono, M Rafi Wicaksono, Teguh Mulyo Wijaya, I Made Aldy Wildana Latif Mahmudi, Wildana Latif Yusril Yusril

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