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All Journal Pondasi Journal of Advanced Civil and Environmental Engineering JOURNAL OF CIVIL ENGINEERING, BUILDING AND TRANSPORTATION APTEK
Rachmat Mudiyono
Universitas Islam Sultan Agung
Civil Engineering, Building, Construction & Architecture Engineering Environmental Science Physics Social Sciences Transportation

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Analysis of Internal Friction Angle and Cohesion Value for Road Base Materials in a Specified Gradation Grawira Ganjur Giwangkara; Azman Mohamed; Hasanan Md. Nor; Nur Hafizah A.; Rachmat Mudiyono
JACEE (Journal of Advanced Civil and Environmental Engineering) Vol 3, No 2 (2020): October
Publisher : Universitas Islam Sultan Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/jacee.3.2.58-65

Abstract

Internal friction angle (φ) is one of the important parameter in a foundation engineering, especially in the stress distribution event. The higher value of the internal friction angle shows the higher of the material can withstand the lateral force. Cohesion factor (c) is also an integral part of the shear strength for the foundation material. In the granular soil such as sand or non-cohesive material, including aggregate, cohesion value usually assumed as zero, although some cohesion factor may be applied. In this research, two different materials were tested for their shear strength. The materials were Natural Crushed Aggregate (NCA) and Recycled Concrete Aggregate (RCA). Each material was also tested under two different circumstances. First, the materials were tested in a small-scale direct shear (SSDS) test with the maximum material size of 0.425 mm and 2.0 mm. Secondly, the materials were tested in a large-scale direct shear (LSDS) test with the graded size of aggregate according to road base layer specification. The SSDS showed the internal friction angle of NCA and RCA varies from 26.20 to 29.82 degrees. Whereas the LSDS showed the internal friction angle of NCA and RCA are 44.90 and 29.16 respectively. Both of SSDS and LSDS also showed the cohesion value of NCA and RCA.
EVALUATION OF SIDEWALK BASED ON THE INDONESIAN GUIDELINE FOR TECHNICAL PLANNING OF PEDESTRIAN FACILITIES Supriyana Supriyana Supriyana; Rachmat Mudiyono; Sumirin Sumirin
Pondasi Vol 27, No 1 (2022): JUNI
Publisher : UNISSULA Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/pondasi.v27i1.23161

Abstract

Sidewalks are pedestrian paths generally parallel to road and higher than the pavement surface to ensure the safety of pedestrians. Sidewalk is important for pedestrians; thus, it has to meet the standards of technical requirement. This study aimed to evaluate condition of sidewalk in Kudus City, Indonesia to find out whether the existing sidewalks had complied with the technical requirement as stipulated in the Indonesian guideline for technical planning of pedestrian facilities. This was a descriptive quantitative study involving sidewalks as the sample. Data were collected through survey and analyzed quantitatively. Despite having several issues around design of the construction, the existing sidewalk in Kudus City, Indonesia had been in accordance with the provision as prescribed in the Indonesian guideline for technical planning of pedestrian facilities. Finding of the study suggested that sidewalks need for further improvement for the convenience of pedestrians, especially signposts, sidewalk accessories, direction and other relevant properties.Keywords: Descriptive qualitative study, Indonesian standard of public facilities development, pedestrians, sidewalks
ANALISA DAMPAK LALU LINTAS DARI PEMBANGUNAN FLY OVER PERLINTASAN JALAN REL KERETA API DI MRANGGEN Muhamad Khudza Alfi Himam; Rachmat Mudiyono; M. Faiqun Ni’am
JOURNAL OF CIVIL ENGINEERING BUILDING AND TRANSPORTATION Vol. 6 No. 2 (2022): JCEBT SEPTEMBER
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jcebt.v6i2.7737

Abstract

Perlintasan jalan rel kereta api di Mranggen menyebabkan kemacetan, oleh karena itu perlu adanya pembangunan flyover di Mranggen. Tujuan penelitian ini adalah menganalisis kinerja lalu lintas jalan Semarang Purwodadi sebelum pembangunan flyover, saat konstruksi flyover dan setelah pembangunan flyover selesai. Penelitian menggunakan metode survei dan analisa kinerja jalan berdasarkan MKJI 1997. Jumlah sampel yang diambil 3 hari yaitu di hari senin, jumat dan sabtu. Hasil analisis kondisi sebelum pembangunan diperoleh derajat kejenuhan maksimal sabtu pagi dari Grobagan ke arah Semarang yaitu 0,90864 termasuk tingkat pelayanan jalannya E, tingkat kejenuhan maksimal saat ada pembangunan Fly Over pada senin pagi dari Grobagan ke arah Semarang yaitu 1,023177 termasuk tingkat pelayanan jalannya F, tingkat kejenuhan maksimal setelah pembangunan Fly Over Mranggen pada jumat pagi dari Grobagan ke arah Semarang didapatkan angka 0,793675 termasuk tingkat pelayanan jalannya jalannya C, sehingga efek positif setelah konstruksi flyover selesai yaitu arus lalu lintas menjadi lancar karena tidak melewati pasar tumpah Ganefo dan juga tidak melewati rel kereta api tiga jalur yang sering macet karena lalu lintas kereta api hampir disetiap 30 menit.
ROAD DAMAGED FACTOR ANALYSIS AT SIGNALIZED INTERSECTION (Case Study: The Traffic Light in Front of UNISSULA, Jl. Raya Kaligawe KM 4, Semarang) Widya Ayu Prawesthi; Rachmat Mudiyono; Hermin Poedjiastoeti
Pondasi Vol 27, No 2 (2022): Desember 2022
Publisher : UNISSULA Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/pondasi.v27i2.24345

Abstract

Abstract: Road damage is common occurrence at signalized intersections. This causes delays in vehicle mobility and leads to congestion. This research seeks to investigate the types of damage occurring at signalized intersections, the factors causing the damage, and the alternatives to prevent the damage. Based on RCI method the value is 4,4, it means that on the location, the condition of the road are bad, many holes, and irregular surface. And also in the  location often flooded, and affected by centrifugal force from the U turn, and the vibrating force while the vehicles waiting for the traffic light, and affected on the previous flexible layer get damaged. Based on that result, the repair possibility at the Traffic Light jalan Kaligawe KM. 4 (main road in front of Universitas Islam Sultan Agung) Semarang should use rigid pavement. And there are some specification items that relevant with the condition of the road: concrete slab thickness = 15cm, concrete slab length = 100m, shrink joint applied in space 5m, cross joint (dowel) applied with straight wire that have 32mm diameters, length 45cm, and space between the wire is 30cm, and tie bar use whorl beam that have 16mm diameters, length 70cm and space 75cm.
Analisis Perbandingan Perencanaan Tebal Perkerasan Lentur Antara Analisa Komponen Dengan Software Desain Perkerasan Jalan 2 Boedi Winarno; Rachmat Mudiyono; Abdul Rochim
Aptek Jurnal Apliksai Teknologi (APTEK): Volume 16, No. 01, Desember 2023
Publisher : Fakultas Teknik Universitas Pasir Pengaraian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30606/aptek.v16i1.2216

Abstract

Perencanaan ketebalan perkerasan merupakan bagian penting dari perencanaan konstruksi jalan. Perencanaan ketebalan perkerasan dengan berbagai metode, penelitian ini menggunakan Analisa Komponen dan Software Desain Perkerasan Jalan versi 2 (SDPJ2). Tujuan penelitian membandingkan analisis perkerasan lentur antara kedua metode tersebut. Penelitian ini dengan dengan mengumpulkan data primer dan sekunder yang digunakan dalam analisisnya. Data dalam analisis yang terdiri dari data LHR, CBR yang merupakan data primer yang didapat dari pengambilan langsung dari lapangan. Data sekunder yang terdiri umur rencana, faktor distribusi arah, faktor distribusi lajur, pertumbuhan lalu lintas, ekivalen ke sumbu standar yang didapat dari literatur resmi dari pedoman perencanaan, buku dan jurnal yang telah dipublikasikan. Analisa Komponen dalam analisis menggunakan persamaan logaritma dan SDPJ2 menggunakan aplikasi sebagai alat bantu perhitungan. Hasil tebal perkerasan lentur dengan Metode Analisa Komponen lebih tebal 4 cm dibandingkan dengan Metode SDPJ2 pada layer Sub Base Course . Berdasarkan hasil perhitungan biaya Metode Analisa Komponen sebesar Rp 44.882.570,00 dan Metode Software Desain Perkerasan 2 sebesar Rp 41.842.874.700,00.
Co-Authors Abdul Rochim Azman Mohamed Boedi Winarno Grawira Ganjur Giwangkara Hasanan Md. Nor Hermin Poedjiastoeti M. Faiqun Ni’am Muhamad Khudza Alfi Himam Nur Hafizah A. Sumirin Sumirin Supriyana Supriyana Supriyana Widya Ayu Prawesthi