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Dinamika Teknik Sipil
Published by Universitas Muhammadiyah Surakarta
ISSN : 14118904     EISSN : 28282876     DOI : 10.23917/dts
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture
Dinamika Teknik Sipil: Majalah Ilmiah Teknik Sipil is a journal managed by Department of Civil Engineering, Faculty of Engineering Universitas Muhammadiyah Surakarta. It focuses on the dissemination of conceptual ideas, design, analysis, and application of civil engineering in the development of sustainable infrastructure which will give a real contribution to solve the real-world problems, particularly problems regarding infrastructures and disasters.
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 65 Documents
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Reconstruction of Natural Slope Stability by Limit Equilibrium Methods and Finite Element Methods Irwan, Andesta Granitio; Wiati, Irene Tresna
Dinamika Teknik Sipil: Majalah Ilmiah Teknik Sipil Vol. 16/No.2/Desember 2023
Publisher : Departement of Civil Engineering, Faculty of Engineering

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/dts.v16i2.23276

Abstract

Slope stability analysis is particularly important for natural slopes that are relatively undesigned to be technically safe. Natural slopes are prone to collapse depending on the condition of the slope material and rainfall. A comprehensive stability analysis using numerical methods to calculate the factor of safety and probability of collapse can be used as a reference to assess the safety of a slope. This study discusses boundary equilibrium and finite element in the analysis of slope safety factor and landslide probability by reconstructing the slope with landslide history. The reconstruction of the slope is based on the actual slope condition with saturated material due to rain that has a safety factor of 0.5 using mathematical methods which are then analyzed numerically in this study. The results of the factor of safety on the saturated condition slope have a value that is not much different from the actual condition with a 100% probability of landslide. The results of low shear strength values in each slice of the limit equilibrium analysis for saturated conditions also indicate that the slope is in an unsafe condition which is supported by the development of shear and tensile strains in the finite element method analysis in the slope slide plane area which causes the stress distribution in the actual landslide area to be unstable. 
Evaluation of Pavement Condition Based on the Value of Surface Distress Index and Pavement Condition Index on the Road Section of Gedong Tataan - Kedondong, Pesawaran Hidayat, Aditya Mahatidanar; Prasetyaningtiyas, Gayuh Aji
Dinamika Teknik Sipil: Majalah Ilmiah Teknik Sipil Vol. 16/No.2/Desember 2023
Publisher : Departement of Civil Engineering, Faculty of Engineering

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/dts.v16i2.23271

Abstract

Good road infrastructure conditions can stimulate the economic growth of an area. Therefore, routine road maintenance is carried out by its administrators. One of the road sections that needs improvement is the Gedong Tataan - Kedondong road section. The Gedong Tataan - Kedondong section is a provincial road with a length of 16.67 kilometers. To predict the pavement condition on the road section, an assessment method is required for identification. This method is used as one of the tools to assess pavement damage on a road section, and the methods used are the Surface Distress Index (SDI) and the Pavement Condition Index (PCI). The research results show a PCI (Pavement Condition Index) value of 73%, indicating that the road pavement condition is very good, and routine maintenance is required. Meanwhile, with the SDI (Surface Distress Index) method, a value of 65 is obtained, indicating that the road falls into the fair category, and the appropriate treatment options include patching and overlay. Another implication is to allocate the budget wisely for road maintenance. Information from these two indices helps in determining improvement priorities. Routine maintenance can be a better investment in the long term than letting road conditions deteriorate.
Studi Awal Pemanfaatan Limbah Bangunan sebagai Alternatif Pengganti Bentonite Mentah Putri, Dialina; Rahma, Vina Rosalina; Cahoyo, Muhammad Fariz; Sejati, Agus Wahyu; Prasetyaningtiyas, Gayuh Aji
Dinamika Teknik Sipil: Majalah Ilmiah Teknik Sipil Vol. 16/No.2/Desember 2023
Publisher : Departement of Civil Engineering, Faculty of Engineering

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/dts.v16i2.23277

Abstract

Pengeboran tanah untuk pekerjaan fondasi pada tanah berpasir menyebabkan sebagian dinding bor runtuh sehingga membutuhkan perekat butiran seperti bentonite yang dapat mengembangkan diri. Disisi lain, bentonite diperoleh melalui proses penambangan yang berdampak negatif terhadap lingkungan. Pembuangan limbah bentonite harus melalui proses netralisis zat berbahaya (Fe, 3,8% dan NaHCO3, 12%) agar tidak merusak lingkungan. Kegiatan filterisasi berpotensi mengakibatkan keterlambatan proyek dan pembengkakan biaya. Penelitian ini bertujuan untuk mendapatkan alternatif pengganti bentonite. Limbah bata merah dan plesteran memiliki potensi untuk menggantikannya jika digunakan dalam gradasi yang halus (≤0,075 mm). Gradasi halus pada kedua limbah sangat berkaitan dengan kemamapuan untuk mengembang. Limbah bangunan tersebut dihancurkan menjadi serbuk kemudian dibuat larutan dengan beberapa percobaan komposisi antara air, bata merah, plesteran, dan NaHCO3 dalam jumlah yang kecil (1%-8%). Kemudian larutan diaplikasikan pada sampel tanah kecil dari lubang bor yang mengalami keguguran di lapangan dan diuji swelling satu arah. Pengamatan secara mikroskop dengan menggunakan SEM (Scanning Electron Microscope) diperlukan untuk melihat kandungan larutan tersebut. Hasil penelitian laboratorium menunjukkan adanya peningkatan swelling seiring dengan penambahan NaHCO3 serta kemiripan kandungan larutan limbah dengan bentonite. Penelitian ini sangat bermanfaat bagi dunia industri terutama hal yang berkaitan dengan ecogreen dalam hal pengeboran baik fondasi maupun pengeboran dalam tanah lainnya.
Pemanfaatan Steel Slag sebagai Substitusi Agregat Kasar pada Pembuatan Beton HVFA-SCC Tahan Serangan Sulfat Handayani, Nur Khotimah; Trisnawan, Nugroho Aldini
Dinamika Teknik Sipil: Majalah Ilmiah Teknik Sipil Vol. 16/No.2/Desember 2023
Publisher : Departement of Civil Engineering, Faculty of Engineering

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/dts.v16i2.23273

Abstract

Penggunaan beton dengan volume fly ash tinggi atau  High Volume Fly ash (HVFA) yang dipadukan dengan konsep  Self Compacting Concrete (SCC) telah terbukti mampu meningkatkan kekuatan beton terhadap serangan sulfat. Pengembangan dilakukan dengan menambahkan steel slag sebagai pengganti agregat kasar yang mampu meningkatkan kekuatan beton sekaligus pemanfaatan steel slag untuk mengurangi limbah hasil peleburan besi. Tujuan penelitian ini adalah untuk mengetahui pengaruh penambahan steel slag sebagai substitusi agregat kasar pada HVFA-SCC terhadap kekuatan beton yang mengalami serangan sulfat. Serangan sulfat disekenariokan dalam 4 metode perendaman, yaitu air laut, larutan sulfat 5%, larutan sulfat 5% dengan cara rendam angkat dan air aquades sebagai kontrol. Untuk mengukur kekuatan beton dilakukan pengujian kuat tekan dan modulus elastisitas dengan perencanaan awal sebesar 35 MPa, sedangkan untuk mengukur workability menggunakan pengujian slump flow dan L-box. Presentase penggunaan steel slag sebesar 20% dari total agregat kasar dan presentase penggunaan fly ash 50% dari total semen yang digunakan. Hasil pengujian menunjukkan substitusi 20% steel slag pada HVFA-SCC dapat meningkatkan kuat tekan beton  pada semua metode serangan sulfat, sehingga penggunaan steel slag pada HVFA-SCC dapat menjadi alternatif dalam pembuatan beton tahan serangan sulfat.
Green Waterfront City, Future Perspectives for Sustainable City in Tidal Flooding Prone Area at Northern Semarang Hanif, Ivan Muhammad; Pudyastuti, Purwanti Sri; Sulaiman, Muhammad Isa; Aisyah, Shafara
Dinamika Teknik Sipil: Majalah Ilmiah Teknik Sipil Vol. 16/No.2/Desember 2023
Publisher : Departement of Civil Engineering, Faculty of Engineering

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/dts.v16i2.23274

Abstract

Due to their low topography and flat terrain, Semarang's northern coastal areas are vulnerable to tidal flooding. This paper explains the concept of Green Waterfront City for northern coastal areas of Semarang.  The concepts include: the design of mangrove forest areas on Semarang's North Coast as a natural, eco-friendly barrier that withstands sea abrasion; the concept of an artificial embankment made of natural materials that collects sediment and turns into a dike to reduce sea abrasion; and amphibious housing, which is a versatile, light-colored, eco-friendly residential area. Should the concept be put into practice, it would create advantages in some aspects such as: a) Socially, people affected by the tidal floods on the north coast of Semarang will be provided with appropriate housing and permitted to go back to where they previously lived; b) Economy: Communities affected by tidal floods on Semarang's north coast will see an increase in their economic worth in the fishing and tourism industries through the introduction of Silvofishery; c) Environment: The development of Green Waterfront City for northern coastal areas of Semarang can mitigate the negative environmental effects of tidal flooding and sea abrasion.

Page 7 of 7 | Total Record : 65

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