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All Journal Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil BANGUN REKAPRIMA
Junaidi Junaidi
Jurusan Teknik Sipil Politeknik Negeri Semarang
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Journal : Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil

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Analisis Penurunan Timbunan Tanah Silt Pada Proyek Jalan Ruas Giriwoyo-Duwet Wonogiri Agung Prakoso; Muhammad Mukhlisin; Junaidi Junaidi; Pentardi Rahardjo
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol 24, No 2 (2019): Wahana Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v24i2.1732

Abstract

The foundation layers of road construction in general have many problems of land subsidence. Land subsidence does not occur only on the ground or the original soil. Decrease of soil may also occur on pile or soil. Less than optimal density of the soil or the choice of unsuitable heap material may be the cause of the land subsidence in the embankment. Land subsidence also occurred in the National Road Development Project Segment Giriwoyo-Duwet, Wonogiri, Central Java, Indonesia, causing a decrease in road elevation from planned elevations. Decreasing this elevation can cause the standards of the cleverness and comfort of the road not being met. This study explains the results of the analysis of the large decrease in soil that occurred. The analysis is done by two methods. The method is done by theoretical calculation and by analysis using plaxis software. The results of the analysis show that the characteristics of soil used as soil pile material is silt soil with high and soft plasticity characteristics. The analysis also illustrates the factors of land degradation due to poor soil characteristics, carrying capacity and soil density less than standard and weather factors. The magnitude of the decline that occurred showed a decrease of 3-7 cm from the observation on the location, 1,1 cm from the results of plaxis software analysis and 1,7 cm from theoretical calculations.
KAJIAN PENURUNAN TANAH TIMBUNAN PENYEBAB KERETAKAN STRUKTUR RIGID PAVEMENT DENGAN MENGGUNAKAN METODE ASAOKA (Studi Kasus Proyek Pembangunan Jalan XYZ) Supriyadi Supriyadi; Junaidi Junaidi; Anis Wahyuni; M. Rifqi Mubarok
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol 27, No 2 (2022): Wahana Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v27i2.4149

Abstract

Rigid pavement work on the XYZ Road Construction Project experienced a problem, namely the occurrence of cracks in the rigid pavement structure above the box culverts under which soil improvement was carried out using embankment soil. The purpose of this study is to analyze the factors that cause settlement of the embankment that causes the rift of the rigid pavement structure on box culverts built on embankment soil so that the results can be used as a reference for handling or repairing rigid pavement work on box culverts with a structure piled up soil in subsequent segments. From the results of the analysis it can be seen that the process of casting rigid pavement was carried out at two points, namely Point 1 and Point 2 where after casting the rigid pavement, the subgrade beneath it still experienced a decrease of 10 mm and 6 mm. This decline occurred for up to 3 months and caused cracks in the rigid pavement structure above it. This is due to the difference in settlement of the box culvert which was initially assumed not to have decreased again with the surrounding embankment which was still experiencing settlement. In addition, the results of the analysis show that the rigid pavement design uses a single reinforcement so that the capacity of the concrete (Mu) is less than the weight of the concrete itself which causes the concrete to crack.
Co-Authors Agung Prakoso Anis Wahyuni Arief Subakti Ariyanto Basuki Setiyo Budi M. Rifqi Mubarok Muhammad Mukhlisin Pentardi Rahardjo Puji Wahyumi Supriyadi Supriyadi Tjokro Hadi Totok Prasetyo Triwardaya Triwardaya Wasino Wasino Yustinus Eka Wiyana