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All Journal Matriks Teknik Sipil
Yusep Muslih Purwana
Program Studi Teknik Sipil, Fakultas Teknik, Universitas Sebelas Maret
Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Engineering Materials Science & Nanotechnology

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POTENSI KEMBANG SUSUT TANAH EKSPANSIF DI WILAYAH SOLO RAYA (Studi Kasus di Trucuk, Pedan, dan Nogosari) Siti Nurlita Fitri; Niken Silmi Surjandari; Noegroho Djarwanti; Yusep Muslih Purwana; Bambang Setiawan; Harya Dananjaya; Brilian Budi Prakosa
Matriks Teknik Sipil Vol 9, No 4 (2021): Desember
Publisher : Program Studi Teknik Sipil FT UNS

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1453.98 KB) | DOI: 10.20961/mateksi.v9i4.55171

Abstract

Expansive soil has commonly found in several areas around infrastructure projects such as; highways, irrigation systems, buildings, and bridges. The behavior of expansive soils affects the strengths and durability of the upper structure. The main characteristic of expansive soil is the swell-shrinkage influenced by water content. Moreover, the negative trait harms the structure. For example,  the cracks of the highway pavement and building wall and differential settlements in bridges abutment are the damage phenomena caused by expansive soil. The soil spread in several area near Surakarta residency namely Nogosari, Boyolali , Cawas Pedan, Klaten Regency, Bendosari Gentan, Sukoharjo and Purwodadi. Therefore, these areas have high vulnerability damage of Expansive soil. The study for determining and collecting data on the potential for shrinkage, which is a characteristic of expansive soil, is necessary conduct. This research aims to identify the swell-shrinkage potential in laboratory tests. The test had carried out with property index(water content and Atterberg limit) following code standards (SNI and ASTM). The liquid limit values for the Trucuk, Padan, and Nogosari areas are 84.75%, respectively; 73.56% and 49.05%. The plasticity index values for the Trucuk, Padan, and Nogosari regions are as follows: 66.97%; 45.72%; and 28.74%. Activity (AC) values for the 3 Pedan, Trucuk, and Nogosari locations are as follows: 1.61; 1.67; and 1.28. The value results are based on laboratory tests output, were 3 locations in the Klaten area, namely Trucuk, Pedan, and Nogosari. In summary, the zones have high susceptibility area damage by expansive soil. The result of this study is expected to be preliminary mapping guidance surround the Surakarta Residency
Perilaku Pelat Beton Di Atas Tanah Ekspansif Melalui Simulasi Analisis Beams On Elastic Foundation Prasetyo Widhy Utomo; Bambang Setiawan; Yusep Muslih Purwana
Matriks Teknik Sipil Vol 10, No 1 (2022): Maret
Publisher : Program Studi Teknik Sipil FT UNS

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1780.275 KB) | DOI: 10.20961/mateksi.v10i1.55322

Abstract

Tanah yang berperan sebagai penopang konstruksi dapat menimbulkan sejumlah masalah apabila memiliki kembang susut yang besar. Perilaku pengembangan dan penyusutan (fluktuatif) tanah dapat mempengaruhi perilaku perkerasan beton yang ada di atasnya. Penelitian ini menganalisis perilaku perkerasan beton di atas tanah ekspansif sewaktu mengalami pengembangan dan penyusutan menggunakan metode BoEF (Beams on Elastic Foundation). Metode analisis diterapkan dalam simulasi model 2 Dimensi dengan modulus subgrade tanah ekspansif 30000kN/m2, dan swelling pressure 175 Kpa. Model simulasi pelat terdiri atas 12 variasi berdasarkan ketebalan pelat dan nilai pembebanan garis yang diterapkan. Hasil dari penelitian ini menunjukkan bahwa lendutan terbesar terjadi pada pelat tebal 15 cm dengan perilaku lendutan setiap penambahan ketebalan pelat sebesar 10 cm pelat beton akan mengalami lendutan sebesar 10 %. Perilaku lendutan akibat penambahan beban setiap 100 kN untuk fase pengembangan maksimum pada ujung pelat ketebalan 15 cm, 25 cm, dan 35 cm masing-masing mengalami kenaikan sebesar 0.73 %; 1.41 %; dan 0.85 % sedangkan pada tengah pelat masing-masing akan berturut-turut turun sebesar 7.54 %; 5.44 %; dan 4.44 %. 
Co-Authors Bambang Setiawan Brilian Budi Prakosa Harya Dananjaya Niken Silmi Surjandari Noegroho Djarwanti Prasetyo Widhy Utomo Siti Nurlita Fitri