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All Journal MEDIA KOMUNIKASI TEKNIK SIPIL REKA KARSA REKA RACANA Jurnal Teknik Sipil Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Jurnal Rekayasa Hijau JMTS: Jurnal Mitra Teknik Sipil Jurnal Komposit : Jurnal Ilmu-Ilmu Teknik Sipil Indonesian Journal of Construction Engineering and Sustainable Development Jurnal Jalan Jembatan Asian Journal of Social and Humanities Journal of Green Science and Technology
Hamdhan, Indra Noer
Institut Teknologi Nasional
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Engineering Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Transportation

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Improving Shear Strength Of Expansive Soil Through Asphalt Emulsion And Local Pozzolanic Additives Oktofani, Khansa Nuansa; Syahril, Syahril; Indra Noer Hamdhan; Naess, Victor Firstkiel Feber
Journal of Green Science and Technology Vol 9 No 2 (2025): Journal of Green Science and Technology Vol. 9 No.2 September 2025
Publisher : Faculty of Engineering, Universitas Swadaya Gunung Jati

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33603/jgst.v9i2.10408

Abstract

Expansive clayshale soils pose a significant geotechnical challenge due to their high swell-shrink potential and low shear strength, necessitating urgent development of effective and sustainable stabilization methods. This study explores the stabilization of such problematic soils using a combination of emulsified asphalt (AE) and Bledug Kuwu mud (LBK), a natural pozzolanic byproduct derived from a unique geological phenomenon in Central Java, Indonesia. A total of 51 cylindrical specimens were prepared with a fixed 8% AE content and varying LBK contents (6%, 10%, 14%, and 18%) by dry weight of soil. The mechanical properties were evaluated using Unconsolidated Undrained (UU) triaxial tests, while Scanning Electron Microscopy (SEM) was employed to examine microstructural evolution. The results highlight a marked improvement in shear strength parameters cohesion (c) and internal friction angle (φ)—in tandem with increased LBK content and curing duration. The optimal mixture (18% LBK, 8% AE, and 14 days of curing) showed a significant rise in c from 79.46 kPa to 150.88 kPa and φ from 14.3° to 24.0°, indicating a synergistic interaction between the asphalt binder and pozzolanic compounds. SEM analysis confirmed the formation of a denser and more cohesive matrix, attributed to both the physical encapsulation effect of AE and the pozzolanic reaction products, particularly calcium silicate hydrate (C–S–H) and calcium aluminate hydrate (C–A–H), which enhanced interparticle bonding. These findings underscore the effectiveness and urgency of adopting AE–LBK stabilization as a cost-efficient and environmentally friendly alternative for improving expansive soils. The study provides a foundational basis for field-scale implementation and long-term performance assessment in infrastructure development on marginal ground.
PERBAIKAN NILAI KADAR AIR DAN INDEKS PLASTISITAS TANAH LEMPUNG LUNAK MENGGUNAKAN BAHAN TAMBAH EXPANDED POLYSTYRENE (EPS) DAN RESIDIUM CRACKING CATALYST 15 (RCC 15) shaputra, muhammad rio eka; Syahril; Indra Noer Hamdhan; Geni Firuliadhim
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.v30i1.6424

Abstract

The uneven distribution of development in each region can result in construction on land with poor characteristics. One of the soils that has weak characteristics is soft clay. Soft clay has weak characteristics, such as relatively high water content and plasticity index (PI), so it needs to be stabilized to improve its bearing capacity before being used in construction. This study aims to examine the effect of adding Expanded Polystyrene (EPS) which is a fabricated material with Residium Cracking Catalyst 15 (RCC15) which is a waste product of oil processing from PT. Pertamina on improving the characteristics of soft clay. The specimens from Cililin, Bandung Regency, has a soft inorganic clay (CH) with a clay content of 61% and a water content of 37.945%. Test specimens were made with variations in the addition of EPS of 0.4% and RCC15 of 20%, 25%, and 30%. The results of the property index test showed that the addition of RCC15 can increase the water content and plasticity index (PI) value, with the optimum value at a mixture of 0.4% EPS and 25% RCC15. The impact of using EPS and RCC15 as additives has the potential to increase the stability of soft clay, making it suitable for use in construction.
Expansion of Cross Necklace and Startail Fish Fins in Mechanically Stabilized Earth Walls On Red Soil Layer Karminto, Karminto; Soegiarso, Roesdiman; Hamdhan, Indra Noer
Asian Journal of Social and Humanities Vol. 2 No. 4 (2023): Asian Journal of Social and Humanities
Publisher : Pelopor Publikasi Akademika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59888/ajosh.v2i4.226

Abstract

Development in Indonesia is currently being actively carried out, especially development in the field of infrastructure, especially toll roads and bridges for opritnya, and due to development with limited Right Of Way (ROW) land, so that the oprit road body is not made slope with a certain slope, for that a construction that is not needed. For this reason, precast soil retaining walls are needed, generally precast soil retaining walls such as Mechanically Stabilized Earth Walls use geosynthetics that are not heat resistant and strip plates, where the interlocking strip plates between soils are less strong, in connection with this there are often failures of MSE Wall failures which are caused by these two factors and are influenced by hydrostatic water pressure and soil layers that are not suitable for construction take land left and right of the road. In connection with the above, it is necessary to have novelty Mechanically Stabilized Earth Walls with anchor strength where along the anchor there is a crossbar necklace and at the end there is a fish fin startail whose function is strong to resist shear and interlocking the ground is getting stronger.
PEMODELAN PERBAIKAN TANAH LUNAK DENGAN PRELOADING, DEEP MIXING COLUMN, DAN STONE COLUMN Hamdhan, Indra Noer; Raasyid, Muchamad Ansharie
JMTS: Jurnal Mitra Teknik Sipil Volume 8, Nomor 4, November 2025
Publisher : Prodi Sarjana Teknik Sipil, FT, Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/jmts.v8i4.26668

Abstract

Soft soil is one of the soils with low bearing capacity and high compressibility. One of the soft soil improvement methods that can be used is Deep Mixing Column and Stone Column. This study combines preloading with Deep Mixing Column and Stone Column, which aims to determine the most effective repair method in reducing settlement and consolidation time. As well as knowing the effect of depth and distance between rectangular patterned columns on settlement and consolidation time using Plaxis 2D. The modeled column is 0.8 m in diameter with variation of distance 1D; 2D; 5D; and 10D and variation of depth 25%; 50%; 75%; and 100% of the soft soil thickness. The results showed that the Deep Mixing Column was more effective in reducing the settlement, with an effectiveness of 38%-80%. Meanwhile, Stone Column is more effective in reducing consolidation time, with an effectiveness of 53%-99%. The deeper and more closely spaced the Deep Mixing Column and Stone Column are applied, then the smaller the decline and the shorter the consolidation time. Abstrak Tanah lunak merupakan salah satu tanah dengan daya dukung rendah dan memiliki pemampatan yang besar. Metode perbaikan tanah lunak yang dapat digunakan salah satunya Deep Mixing Column dan Stone Column. Penelitian ini mengkombinasikan preloading dengan Deep Mixing Column maupun Stone Column, yang bertujuan untuk mengetahui metode perbaikan yang paling efektif dalam mereduksi penurunan dan waktu konsolidasi. Serta mengetahui pengaruh kedalaman dan jarak antar kolom berpola rectangular terhadap penurunan dan waktu konsolidasi dengan menggunakan Plaxis 2D. Kolom yang dimodelkan berdiameter 0,8 m dengan variasi jarak 1D; 2D; 5D; dan 10D serta variasi kedalaman 25%; 50%; 75%; dan 100% dari tebal tanah lunaknya. Hasil penelitian menunjukkan bahwa Deep Mixing Column lebih efektif dalam mereduksi penurunan, dengan efektifitas 38%-80%. Sedangkan Stone Column lebih efektif dalam mereduksi waktu konsolidasi, dengan efektifitas 53%-99%. Semakin dalam dan rapat spasi Deep Mixing Column maupun Stone Column yang diaplikasikan, maka penurunan semakin kecil serta waktu konsolidasi semakin singkat.
Penerapan Konsep Arsitektur Industrial Pada Perancangan Rumah Susun Di Bandung Tumbelaka, Farrell Ramadhan; Anita, Juarni; Hamdhan, Indra Noer
Reka Karsa: Jurnal Arsitektur Vol 12, No 3
Publisher : Institut Teknologi Nasional (ITENAS) Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/rekakarsa.v12i3.13447

Abstract

ABSTRAK Seiring dengan pertumbuhan penduduk di Kota Bandung, kebutuhan hunian bagi masyarakat berpenghasilan rendah semakin meningkat, sehingga diperlukan solusi perancangan yang efisien dan berkelanjutan. Rumah susun menjadi salah satu alternatif strategis untuk memenuhi kebutuhan tersebut. Penelitian ini bertujuan menerapkan konsep arsitektur industrial pada perancangan Rumah Susun Soetta Bandung, dengan fokus pada efisiensi biaya, fungsionalitas, dan keberlanjutan desain. Arsitektur industrial dipilih karena karakteristiknya yang memanfaatkan material ekspos, struktur sederhana, serta fleksibilitas ruang, sehingga menciptakan desain yang ekonomis tanpa mengurangi kenyamanan dan nilai estetika. Metode penelitian yang digunakan adalah deskriptif kualitatif dengan mendeskripsikan konsep desain arsitektur industrial secara kualitatif. Pengumpulan data dilakukan melalui studi literatur, survei lapangan, analisis tapak, dan studi banding dengan proyek serupa. Hasil perancangan menunjukkan bahwa penerapan arsitektur industrial mampu menghadirkan solusi hunian vertikal yang relevan dengan mengintegrasikan efisiensi struktur, ruang komunal yang mendukung interaksi sosial, serta fasilitas yang menunjang kebutuhan penghuni. Selain itu, pendekatan ini juga mempertimbangkan keberlanjutan lingkungan melalui penggunaan material ramah lingkungan dan optimalisasi ventilasi alami. Kata kunci: arsitektur industrial, jalan soekarno-hatta bandung, hunian vertikal, rumah susun  ABSTRACT As the population in Bandung continues to grow, the demand for housing among low-income communities is increasing, necessitating efficient and sustainable design solutions. Apartment housing has become one of the strategic alternatives to meet this demand. This study aims to apply the industrial architecture concept in the design of Rumah Susun Soetta Bandung, focusing on cost efficiency, functionality, and design sustainability. Industrial architecture was chosen for its characteristics, which utilize exposed materials, simple structures, and spatial flexibility, creating an economical design without compromising comfort and aesthetic value. The research method used is qualitative descriptive, describing the concept of industrial architectural design qualitatively. Data collection was conducted through literature studies, field surveys, site analysis, and comparative studies with similar projects. The design results show that the implementation of industrial architecture can provide a relevant solution for vertical housing by integrating structural efficiency, communal spaces that support social interaction, and facilities that accommodate residents' needs. Moreover, this approach also considers environmental sustainability through the use of eco-friendly materials and the optimization of natural ventilation. Keywords: apartment housing, industrial architecture, soekarno-hatta street bandung, vertical housing
Co-Authors Adrianto Kresnohadi Adrianto Kresnohadi, Adrianto Adrin Tohari Alfafa, Muhamad Fadhlan Arzunnita Pramulandani asep hilman rosadi Ayu Risnawati Azizi Rochman Bahari, Sonny Riantama Bemby S. Dearini J, R. Thasyia Puteri Dedi Rahdianata Desti Santi Pratiwi Desti Santi Pratiwi Devy Dhea Wulandari Eliza, Emilia Erdina Tyagita Utami Fadhillah, Ryan Achmad Fadilah, Rifki Fadjar Mohamad Elfaaz Fadjar Mohamad Elfaaz, Fadjar Mohamad Fauzi, Imron Maulana Fauziah Fitriani Iskandar Fauziah Fitriani Iskandar, Fauziah Fitriani Fikri Yudhistira Nugraha Fikri Yudhistira Nugraha, Fikri Yudhistira Fitri Virliani Anugrah Fitriana, Sena Bayu Adji Frizkia Azifa Silmi Geni Firuliadhim Gibral Maulana Harapan Saragih, Hotma Henoch Leindrio Cornelis Henoch Leindrio Cornelis, Henoch Leindrio Hermawan, Dody Ikhya Ikhya Ikhya Ikhya, Ikhya Imam Aschuri Imron Maulana Fauzi Juarni Anita Kabul Suwitaatmadja Karminto, Karminto Ketut Devy Apriyani Ketut Devy Apriyani, Ketut Devy Kurnia, Prana Lesmana, Nirpan Marsya Imara Sabrilia Maulana, Gibral Muhamad Fadhlan Alfafa Muhammad Yanuar Ohoimas Muhammad Yanuar Ohoimas, Muhammad Yanuar Nadya Utami Rivanga Naess, Victor Firstkiel Feber Nanda, Teuku Nabilla Nirpan Lesmana Oktofani, Khansa Nuansa Permatasari, Widya Yunita Pratiwi, Desti Santi R. Thasyia Puteri Dearini J Raasyid, Muchamad Ansharie Raden Wahyu Mulyana Raden Wahyu Mulyana, Raden Wahyu Rahdianata, Dedi Rahmah, Rizka Adisya Kamila Rangga Anhar Rangga Anhar, Rangga Rifki Fadilah Rinaldi Alamsyah Riny Yolandha Parapat Rivanga, Nadya Utami Rochman, Azizi Ryan Achmad Fadhillah S., Bemby Sahib, Yasmin Jihan Fahira Sari, Namirah Nurgia Sena Bayu Adji Fitriana Shaputra, Muhammad Rio Eka Silmi, Frizkia Azifa Soegiarso, Roesdiman Sonny Riantama Bahari Suwitaatmadja, Kabul Syahril Syahril Syahril Teuku Nabilla Nanda Tumbelaka, Farrell Ramadhan Utami, Erdina Tyagita Wahab, Dimas Athhariyadi Widya Yunita Permatasari Wijaya Panjaitan, Pita Uli Artha Wulandari, Devy Dhea Yasmin Jihan Fahira Sahib Yessi Nirwana Kurniadi