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All Journal Jurnal Planologi Sultan Agung Jurnal Teknik Sipil
Asmaningrum, Tri Hardiyanti
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Civil Engineering, Building, Construction & Architecture Engineering Environmental Science Social Sciences Transportation Other

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Exploring Space-Time Fixity about Activity Types and Mode Choice Mahmudah, Amirotul M. H.; Budiarto, Arif; Dharmowijyo, Dimas B. E.; Joewono, Tri Basuki; Asmaningrum, Tri Hardiyanti
Jurnal Planologi Vol 22, No 2 (2025): October 2025
Publisher : Universitas Islam Sultan Agung Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/jpsa.v22i2.48312

Abstract

Space-time fixity and flexibility of activity are essential for understanding how space-time constraints influence accessibility and mobility in daily life. Reducing these constraints helps improve quality of life and solve urban problems like traffic jams. Thus, these concepts are vital not only in academia but also in transportation and travel behavior studies. This research explores how activity type and mode choice influence space-time fixity. Descriptive statistic were used to profile respondents and their activities, while bivariate analysis looked at the relationship between mode choice and activity type in terms of space-time fixity. Specifically, mode choices—such as non-motorized, motorcycle, car, public transport, and ride-sourcing—and various out-of-home activities like travel, working/studying, socializing, and grocery shopping. Daily activity data from the Surakarta agglomeration area during the COVID-19 pandemic in 2021 was collected for this study. This study finds that space fixity occurs more often than time fixity, and activities' average level of space and time fixity is fairly flexible. The time fixity pattern for mode choices in out-of-home activities is similar for most activities, except socializing. In contrast, space fixity patterns differ among out-of- home activities. Working/studying outside the home shows the highest time and space fixity across all modes. Research indicates that a score of 6.0 on a 7-point Likert scale represents the highest space-time fixity. This score applies to those who mainly use public transport, with time fixity linked to travel activity and space fixity to out-of-home working/studying activity. The implications of these results on urban planning are discussed.
Pavement Damage Assessment on the Soekarno Hatta Km 1–5 Section in Balikpapan Through the PCI Method Asmaningrum, Tri Hardiyanti; Zamzani, Muhamad Imron; Isabella, Mayati; Friber, Friber; Achmad, Radja Nikra
Jurnal Teknik Sipil Vol 25, No 4 (2025): Jurnal Teknik Sipil: Vol 25, No. 4, November 2025
Publisher : Fakultas Teknik Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jts.v25i4.101909

Abstract

Pavement conditions along corridors with high volumes of heavy vehicle traffic tend to deteriorate more rapidly than their design service life would allow. Soekarno Hatta Road, Km 1–4 in Balikpapan City, is a strategic roadway that accommodates intensive freight traffic and exhibits significant pavement surface distress. This study aims to evaluate pavement surface condition along this segment using the Pavement Condition Index (PCI) method to determine damage levels and maintenance requirements. The data used consist of primary field survey data, including the identification of distress types, severity levels, and distress density for each 100-meter sample unit. The analysis results indicate that the dominant distresses are edge cracking (17.61%), depressions (15.91%), and surface corrugation (15.34%), suggesting the presence of both structural and functional pavement problems. PCI values vary along the roadway: the Km 1 and Km 3 segments are classified as Fair (average PCI of 63), whereas the Km 2 and Km 4 segments are classified as Poor (average PCI of 48 and 43, respectively). The findings demonstrate that heavy traffic loading, base-layer conditions, and pavement aging significantly influence pavement degradation, underscoring the need for targeted, sustainable maintenance and rehabilitation measures.
Co-Authors Achmad, Radja Nikra Arif Budiarto Dharmowijyo, Dimas B. E. Friber, Friber Isabella, Mayati Mahmudah, Amirotul M. H. Tri Basuki Joewono Zamzani, Muhamad Imron