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Uji Lintasan Kendaraan pada Interlocking Pavement Berbahan No Fine Agregate Concrete Utomo, Adityo Budi; Dhanardono, Bhima; Hidayatiningrum, Laely Fitria
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 27, Nomor 1, JULI 2021
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (904.152 KB) | DOI: 10.14710/mkts.v27i1.27387

Abstract

Pada musin hujan, banyak kasus jalan tergenang air akibat kurangnya kapasitas saluran drainase dan rendahnya penyerapan air oleh tanah. Penelitian ini memanfaatkan beton non pasir sebagai perkerasan interblok untuk meningkatkan penyerapan air ke lapisan drainase dan tanah dasar. Beton non pasir yang digunakan memiliki campuran semen : kerikil = 1 : 6 dengan FAS 0,4. Hasil pengujian di laboraturium menunjukkan nilai berat jenis, penyerapan air, kuat tekan, dan ketahanan terhadap Na2SO4 adalah 1.703 gr/cm3, 2,57%, 10,8 MPa, dan 0,79%. Untuk melihat tingkat kemampulayanan perkerasan interblok, beton non pasir ini ditata di atas lapis drainase dan lapis perata untuk kemudian dilakukan uji penggenangan dan lintasan kendaraan. Perkerasan interblok tersebut dapat meloloskan air secara cepat dan dapat menahan beban wheel loader sebesar 13.000 kg sehingga bisa digunakan untuk trotoar, jalur taman, dan perkerasan jalan dengan beban gandar maksimum 8 ton.
STUDI KERETAKAN GEDUNG DAN AKSES JALAN KAMPUS POLITEKNIK PEKERJAAN UMUM DI KOTA SEMARANG UTOMO, ADITYO BUDI; Agung Bhakti Utama; Laely Fitria Hidayatiningrum; Andi Patiroi
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol. 30 No. 1 (2025): Wahana Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v30i1.6314

Abstract

The MBH Campus, Public Works Polytechnic (PUtech) located in Semarang City began construction in 2021 - 2022 and functional in early 2023. Six months after its first operation, much damage was found to the building and access roads where there were many cracks in the walls with the same pattern and widening and collapsing in several parts of the garden and access roads that widened over time. A study was conducted to identify the cause of the damage that occurred. The study began by identifying the level of damage to the PUtech campus building and making assumptions regarding the cause of the damage. A more detailed investigation was carried out to strengthen the possibility of suspicions. The analysis was carried out based on the results of field measurements, non-destructive material tests, and soil characteristic tests on the building. The study's results showed a tendency for the building to subside to the north by 0-4 cm per year. The subsidence did not indicate conditions that were dangerous to the building structure because it occurred evenly. The base soil is in the form of cohesive inorganic clay with moderate plasticity so there is a high potential for soil expansion. The soft base soil, classified as soft soil, has the potential for consolidation up to 40 cm due to the existing building load.