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All Journal Teknik Sipil dan Arsitektur Prosiding Seminar Nasional Sains Dan Teknologi Fakultas Teknik Jurnal Teknik Sipil dan Arsitektur Jurnal Teknik Sipil Giratory Upgris ENVIRO: Journal of Tropical Environmental Research International Journal of Sustainable Building, Infrastructure and Environment Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil
Agustina Wardani
Universitas PGRI Semarang
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering Energy Engineering Environmental Science Social Sciences Transportation

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Analisis Lalu Lintas Terhadap Kapasitas Jalan Jolotundo Kota Semarang Wardani, Agustina; Ilonka, Willy Anastasya
ENVIRO: Journal of Tropical Environmental Research Vol 24, No 2 (2022): September
Publisher : Center for Environmental Research, LPPM, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/enviro.v24i2.70719

Abstract

Road capacity is the ability of road sections to accommodate ideal traffic flow or volume in a certain unit of time, expressed in the number of vehicles passing through a certain road section in one hour. The purpose of this study is to determine the performance of road traffic by calculating passing vehicles, road geometric conditions and environmental conditions. The study conducted in this research is conducted on the Jolotundo road section of Semarang city with the aim of calculating capacity and level of service, namely by conducting surveys (starting from 06.00 - 09.00 and 15.00 - 18.00), the data obtained are traffic volume data, vehicle speed and road geometric data. The data processing was carried out using the 1997 Indonesian Road Capacity Manual (MKJI) method where the degree of saturation (DS) as an indicator of traffic behavior on the Jolotundo section of Semarang City. From the results of the survey data processing, the capacity value on this road section is 1543.25 smp/hour and the level of service at LOS C with a value of 0.49, which means that the traffic volume on the Jolotundo road section currently has a stable flow, but the speed and movement of vehicles are controlled.
ANALISIS FAKTOR–FAKTOR YANG MEMPENGARUHI KETERLAMBATAN PROYEK PEMBANGUNAN GUDANG LOGISTIK POLRES LAMONGAN Mayasari, Intan; Zamaniah, Zamaniah; Masvika, Hendra; Permatasari, Citra; Ramadhon, Ardiana; Wardani, Agustina
Jurnal Teknik Sipil Giratory UPGRIS Vol 7, No 1: Juni 2026
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/giratory.v7i1.28133

Abstract

The construction of the Lamongan Police Logistics Warehouse, as part of public infrastructure, requires efficient supervision to support police operational needs. However, several operational issues have arisen, hindering timely completion. One of the main problems is delays in material delivery, which significantly disrupt project progress. This study aims to analyze the factors influencing delays in the warehouse construction project, focusing on the roles of contractors, suppliers, consultants, and project owners. Using a quantitative approach, the research identifies both internal and external factors that contribute to construction delays. Multiple linear regression analysis was employed to examine the relationship between independent variables (work environment, material delays, equipment, labor, and design changes) and project implementation delays. The findings indicate that labor is the most influential factor, with a beta value of 0.455, followed by design changes, which have a positive though relatively minor effect. In contrast, work environment, material delays, and equipment factors show no significant impact. To mitigate delays, the study recommends strengthening coordination among stakeholders, improving resource management, and enhancing project planning. The research provides valuable insights for improving construction project management and preventing unforeseen delays in similar future projects.
Optimalisasi Kinerja Simpang Tiga Bersinyal Ruas Jalan Gapuro–Kalikupang dan Ruas Jalan Basuki Rachmat Pasar Warungasem Kabupaten Batang Menggunakan Metode PKJI 2023 Mochamad Hanindhita Purwitoatmojo; Agustina Wardani; Ikhwanudin Ikhwanudin
Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil Vol. 4 No. 2 (2026): April : Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Si
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/konstruksi.v4i2.1550

Abstract

The signalized three-way intersection at the junction of Gapuro–Kalikupang Road and Basuki Rachmat Road in the Warungasem Market area, Batang Regency, is one of the locations with high traffic volume due to the growth of commercial and service activities. These conditions have led to an increase in vehicle volume, resulting in delays, long queues, and a decline in intersection service levels, particularly during peak hours. This study aims to analyze the intersection’s performance based on the 2023 Indonesian Road Capacity Guidelines (PKJI), determine the optimal traffic signal cycle timing using the Webster method, and evaluate changes in intersection performance following optimization. The research method employs a quantitative approach through a seven-day traffic survey conducted during peak hours. Primary data included traffic volume, intersection geometry, TS signal timing, and side-constraint conditions, while secondary data were obtained from relevant agencies. Analyses were conducted on intersection capacity, degree of saturation, queue length, delay, and level of service in accordance with PKJI 2023. The results of the study indicate that the existing conditions of the intersection do not yet provide optimal service due to high traffic volumes on several approaches. Optimizing the TS signal cycle times using the Webster method was able to increase approach capacity, lower the degree of saturation, reduce delay, and shorten vehicle queue lengths.
ANALISIS KERUSAKAN JALAN AKIBAT VOLUME KENDARAAN “STUDI KASUS : JALAN RAYA SEMARANG BOJA KM 38 – 42” Wardani, Agustina; Kristiawan, Agung; Samsudin, Nur
Jurnal Teknik Sipil Giratory UPGRIS Vol 1, No 1: Juni 2020
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/giratory.v1i1.7907

Abstract

Pembangunan gudang logistik Polres Lamongan, sebagai salah satu elemen infrastruktur publik, perlu dilakukan pengawasan dengan tingkat efisiensi yang tinggi untuk mendukung kebutuhan operasional kepolisian. Beberapa masalah operasional telah muncul yang menghambat penyelesaian tepat waktu. Salah satu masalah utama yang dihadapi adalah keterlambatan dalam pengiriman material yang sangat mempengaruhi kelancaran pekerjaan. Penelitian ini bertujuan untuk menganalisis faktor-faktor yang mempengaruhi keterlambatan dalam proyek pembangunan Gudang Logistik Polres Lamongan, dengan fokus pada peran kontraktor, supplier, konsultan, dan pemilik proyek. Melalui pendekatan kuantitatif, penelitian ini mengidentifikasi faktor-faktor internal dan eksternal yang dapat menyebabkan keterlambatan proyek konstruksi. Metode yang digunakan dalam penelitian ini meliputi analisis regresi linier berganda untuk menentukan hubungan antara variabel independen (lingkungan kerja, keterlambatan material, peralatan, tenaga kerja, dan perubahan desain) dengan keterlambatan pelaksanaan pekerjaan.Hasil penelitian menunjukkan bahwa faktor tenaga kerja memiliki pengaruh terbesar terhadap keterlambatan proyek, dengan nilai beta 0,455, diikuti oleh perubahan desain yang memiliki pengaruh positif meskipun kecil. Sementara itu, faktor lingkungan kerja, keterlambatan material, dan peralatan tidak menunjukkan pengaruh signifikan. Untuk mengatasi keterlambatan, penelitian ini merekomendasikan perbaikan dalam koordinasi antar pihak terkait, manajemen sumber daya yang lebih baik, dan perencanaan yang lebih matang. Penelitian ini memberikan wawasan yang penting untuk meningkatkan pengelolaan proyek konstruksi dan mencegah keterlambatan yang tidak terduga pada proyek-proyek serupa di masa depan.
Co-Authors Afifah, Risdiana Cholifatul Agung Kristiawan FAJRI FERDIANSYAH Ibnu Toto Husodo, Ibnu Toto Ikhwanudin Ikhwanudin Ikhwanudin Ikhwanudin Ilonka, Willy Anastasya Intan Mayasari, Intan Masvika, Hendra Mochamad Hanindhita Purwitoatmojo Nugroho, Galang - PERMATASARI, CITRA Putra Havia, Rafeiza Rizki Ramadhon, Ardiana RATRI SEPTINA SARASWATI Samsudin, Nur Saputra, Vian Guntur Sari, Putri Ameliya Slamet Budirahardjo Yudaningrum, Farida Yuliasih, Larasati Welas Zamaniah, Zamaniah