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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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Journal : Journal of Advanced Civil and Environmental Engineering

 1 
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.
Development of Paving Block Structure Variation for Traffic Safety and Comfort Muhamad Yusuf; P Pratikso; Rachmat Mudiyono; Totti Aditya Susanto; Zoggy Ardi Eka Saputra
JACEE (Journal of Advanced Civil and Environmental Engineering) Vol 7, No 2 (2024): October
Publisher : Universitas Islam Sultan Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/jacee.7.2.215-226

Abstract

Urban traffic congestion worldwide leads to air pollution, increased vehicle noise, and longer travel times for both private and public transit. Congestion adversely affects the well-being of road users and urban residents, and traffic accidents are closely linked to congestion. Traffic composition, road infrastructure, environmental conditions, vehicle design, and human behavior can cause congestion. Concrete block pavement is a practical option for improving traffic safety and increasing driving comfort at intersections with traffic lights. Concrete block paving roads are a cost-effective engineering solution for residential, commercial, municipal, and industrial environments. The study uses the Autocad program to create a simulation of a paved surface and a research tool to analyze the model of the research subject. Results indicate that pavement types subjected to higher loads exhibit more deformation than those under lower loads. Pavements with higher weights are more likely to deform, with the Herringbone 90° pavement type able to withstand a maximum load of 2100 kg and exhibiting the highest load deformation rate of 0.21 cm/kg. The study investigates the load-bearing abilities of different pavement kinds and patterns. The Basketweave pavement type has the lowest load capacity at 2077.9 kg and the lowest load deformation rate of 0.41 cm/kg.
Co-Authors Abdul Rochim Azman Mohamed Boedi Winarno Grawira Ganjur Giwangkara Hasanan Md. Nor Hermin Poedjiastoeti M. Faiqun Ni’am Muhamad Khudza Alfi Himam Muhamad Yusuf Nur Hafizah A. P Pratikso Sumirin Sumirin Supriyana Supriyana Supriyana Totti Aditya Susanto Widya Ayu Prawesthi Zoggy Ardi Eka Saputra