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All Journal REKAYASA DAN INOVASI TEKNIK SIPIL
maka bana
SMK NEGERI 1 SEYEGAN
Civil Engineering, Building, Construction & Architecture Environmental Science Transportation

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ANALISIS KERUSAKAN JALAN MENGGUNAKAN METODE INDEKS KONDISI PERKERASAN (IKP) TERHADAP VOLUME LALU LINTAS DAN DRAINASE maka bana; Muhammad Bintang Ramanda; Annisa Salsabilla; Galih Ryo Prayogi
RENOVASI : Rekayasa Dan Inovasi Teknik Sipil Vol 11 No 1 (2026): April
Publisher : Department of Civil Engineering, Faculty of Engineer, Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/renovasi.v11i1.22716

Abstract

Transportation infrastructure, specifically roads, plays a vital role in supporting social and economic activities. However, road quality is susceptible to degradation caused by the increasing number of heavy vehicles and high traffic loads. In addition to traffic loads, poor drainage performance leading to water ponding also contributes significantly to road infrastructure damage. This study aims to evaluate road damage and analyze the correlation between drainage performance and road structural damage on Pangeran Tirtayasa Road, spanning a length of 6.6 km. The research methodology involved primary data collection through field surveys to determine the Pavement Condition Index (PCI) for every 50-meter segment. Additionally, dimensions of the existing drainage were measured to calculate runoff discharge. The relationship between runoff discharge and PCI values was then analyzed using the simple linear regression method. The evaluation results indicate highly varied road conditions; on the left lane, the majority of the road is in Very Poor (24 segments) and Poor (23 segments) condition, while the right lane is dominated by Very Poor (26 segments) and Very Good (22 segments) conditions. Hydraulic evaluation further proves that the existing drainage is inadequate, resulting in runoff flooding in 50 segments of Direction A and 67 segments of Direction B. Despite the occurrence of runoff, regression analysis shows that the correlation between runoff discharge and PCI values is very weak, at only 5.65% for Direction A and 3.12% for Direction B. In conclusion, while runoff discharge does influence road damage, the weak correlation is attributed to field anomalies where certain road segments were recently reconstructed—resulting in high PCI values—but the accompanying drainage systems were not improved. Based on these findings, the existing drainage dimensions need to be redesigned to prevent water runoff onto the road surface. Keywords: Road Damage, Pavement Condition Index (PCI), Drainage, Water Runoff, Linear Regression
DAMPAK LAHAR PASCA ERUPSI MERAPI TERHADAP INFRASTRUKTUR: SEBUAH TINJAUAN LITERATUR SISTEMATIS maka bana; Zainul Faizien Haza; Angga Darmawan; Febriana Ramadhani
RENOVASI : Rekayasa Dan Inovasi Teknik Sipil Vol 11 No 1 (2026): April
Publisher : Department of Civil Engineering, Faculty of Engineer, Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/renovasi.v11i1.22725

Abstract

The 2010 eruption of Mount Merapi (VEI 4) did not only cause immediate impacts during the event, but also triggered post-eruption rain-triggered lahar (volcanic mudflow) hazards that persisted for years. This systematic literature review aims to identify the characteristics and level of infrastructure damage caused by the post-eruption lahars of Merapi 2010, as well as the factors influencing them. A search was conducted across the Scopus, ScienceDirect, SpringerLink, Garuda, and grey literature databases (BNPB, BPBD, Ministry of PUPR, JICA) using the PRISMA protocol. Out of 275 identified articles, 12 studies met the inclusion criteria and were analyzed narratively. The synthesis results show that infrastructure damage reached over 1,167 housing units, 31 to 34 bridge units, and 77 sabo dam units (29% of total assets). The Yogyakarta-Semarang national road experienced accessibility disruptions 18 times. The main factors influencing the level of damage were dynamic flow pressure (weak structures collapsed at 5 kPa), flow velocity (greater than 3 m/s), and the mismatch between the sabo dam design capacity (1.75 million m³) and the actual lahar volume (greater than 5 million m³). A lahar event in Senowo in March 2026 proves that the risk remains active 16 years post-eruption. The conclusion of this study emphasizes the need to revise sabo dam designs for VEI 4 scenarios and to integrate a rainfall-based early warning system (greater than 20 mm/hour). Keywords: or volcanic mudflow, infrastructure, sabo dam, Mount Merapi, systematic literature review
PERBANDINGAN KLASIFIKASI MUTU BATAKO PASIR PROGO, BATAKO PASIR OPAK DAN BATAKO PASIR MERAPI maka bana; Iskandar Yasin; Lilik Hendro; Afif Shulhan; Ibnu Kosim
RENOVASI : Rekayasa Dan Inovasi Teknik Sipil Vol 11 No 1 (2026): April
Publisher : Department of Civil Engineering, Faculty of Engineer, Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/renovasi.v11i1.22727

Abstract

Batako is usually used in the pavement of an area. Bricks are made with a mixture of cement, water and fine aggregate without additives. Batako has its own standard quality level to determine the use and function of the brick. The standard is contained in SNI 03-0349-1989. Where Batako is divided into 4 classifications, namely Quality Level I, Quality Level II, Quality Level III, and Quality Level IV. The calcification is obtained from the compressive strength value of a brick. Therefore, this research was conducted to examine the strength comparison of compressive strength values between Progo sand brick, Opak sand brick and Merapi sand brick. This study used experimental research methods in the laboratory using 3 test objects, each of which was represented by 3 samples. So that the total test object used is 9 pieces of test object. object 1 is Progo sand brick, object 2 is Opak sand brick and object 3 is Merapi sand brick. The test results show that Progo sand brick has an average strength value of 19.333 MPa, Opak sand brick has a compressive strength value of 27 MPa. Meanwhile, Merapi sand brick has a compressive strength value of 37 MPa. Keywords: Progo Sand Bricks, Opak Sand Bricks, Merapi Sand Bricks
Co-Authors Afif Shulhan Angga Darmawan Annisa Salsabilla Febriana Ramadhani Galih Ryo Prayogi Ibnu Kosim Iskandar Yasin Lilik Hendro Muhammad Bintang Ramanda Zainul Faizien Haza, Zainul Faizien