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All Journal Fondasi: Jurnal Teknik Sipil Jurnal Pendidikan Karakter JAWARA (Jujur, Adil, Wibawa, Amanah, Religius, Akuntabel)
Abdurrohim, Abdurrohim
Universitas Sultan Ageng Tirtayasa
Civil Engineering, Building, Construction & Architecture Transportation

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Stabilization of Expansive Clay Soil with Fly Ash and Ground Granulated Blast Furnace Slag Materials on UCT Values Kusuma, Rama Indera; Abdurrohim, Abdurrohim; Vihawian, Vini; Mina, Enden; Fathonah, Woelandari
Jurnal Fondasi Vol 13, No 2 (2024)
Publisher : JURUSAN TEKNIK SIPIL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/fondasi.v13i2.28231

Abstract

Land is one of the important elements in construction projects and must have a high bearing capacity to support the structure above it. Civil construction, whether roads, buildings, or other structures, will last a long time if one of the factors is supported by a good subgrade. The location of the road in Sudimanik Village has soil classified as expansive clay, which has a high shrinkage capacity due to changes in water content. One way to improve unstable soil is by adding materials such as Fly Ash and Ground Granulated Blast Furnace Slag (GGBFS).The purpose of this study was to determine the characteristics of the soil based on the classification and physical properties of the soil using the Unified Soil Classification System method and to determine the characteristics of the soil and the effect of adding consistent variations of fly ash at 20% and variations in the percentage of GGBFS 0%, 10%, 20%, and 30% as additional material for soil stabilization against the Unconfined Compression Test value with variations in curing time of 0, 7, 14 and 28 days.The addition of fly ash and GGBFS/slag cement substantially increased the unconfined compressive strength of the soil over time. The maximum mixture for increasing the unconfined compressive strength was achieved with 20% fly ash and 30% GGBFS in variation E, indicating that this combination is very effective for increasing the soil strength in this area.
Dimensi Karakter Al-Qur’an Abdurrohim, Abdurrohim; Rohimah, Rt Bai
Jurnal Pendidikan Karakter JAWARA (Jujur, Adil, Wibawa, Amanah, Religius, Akuntabel) Vol 9, No 2 (2023)
Publisher : Jurnal Pendidikan Karakter JAWARA (Jujur, Adil, Wibawa, Amanah, Religius, Akuntabel)

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Abstract

Penelitian ini membahas bagaimana Al-Qur’an sebagai sumber karakter petunjuk hidup umat muslim dapat diinternalisasikan dengan memperdalamnya melalui dua pendekatan yaitu tafsir bil ma’tsur dan tafsir bil ma’qul. Dengan berdasarkan tafsir inilah karakter Al-Qur’an dapat terjawantahkan dalam kehidupan. Penelitan ini adalah kualitatif yaitu lebih pada pengamatan fenomena dan lebih meneliti ke subtansi makna dari fenomena tersebut, membantu ketersediaan diskripsi yang kaya atas fenomena untuk mendapatkan penjelasan lebih dalam. Hasil penelitian dapat disampaikan bahwa Al-Qur’an membuktikan keselarasan ayat-ayatnya dengan fenomena alam (sains), menggunakan bahasa arab yang mengandung bahasa yang tinggi, sehingga aturan Allah yang terdapat di dalam Al-Qur'an yang mengandung tiga fungsi utama, yakni  sebagai hudá (petunjuk), bayyinát (penjelasan) dan furqán (pembeda), dapat menjadi karakter dari dimensi Al-Qur’an yang mulia. Dengan penafsiran yang benar dari Al-Qur’an maka umat muslim akan terhindar dari upaya melemahkan Al-Qur’an dengan banyaknya gaya penafsiran yang melenceng dari makna Al-Qur’an yang benar. Dan inilah gaya penafsiran yang harus dihindari.
Stabilization of Expansive Clay Soil with Fly Ash and Ground Granulated Blast Furnace Slag Materials on UCT Values (Case Study: Jalan Desa Sudimanik Kec.Sudimanik, Kab Pandeglang, Banten) Kusuma, Rama Indera; Abdurrohim, Abdurrohim; Vihawian, Vini; Mina, Enden; Fathonah, Woelandari
Jurnal Fondasi Vol 13, No 2 (2024)
Publisher : JURUSAN TEKNIK SIPIL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/fondasi.v13i2.32672

Abstract

Land is one of the important elements in construction projects and must have high bearing capacity to support the structure above it. Civil construction, whether roads, buildings, or other structures, will last a long time if one of the factors is supported by good subgrade. The location of the road in Sudimanik Village has soil that is classified as expansive clay, which has a high shrinkage capacity due to changes in water content. One way to improve unstable soil is to add additional materials such as Fly Ash and Ground Granulated Blast Furnace Slag (GGBFS).The purpose of this study was to determine the characteristics of the soil based on the classification and physical properties of the soil using the Unified Soil Classification System method and to determine the characteristics of the soil and the effect of adding consistent variations of fly ash at 20% and variations in the percentage of GGBFS 0%, 10%, 20%, and 30% as additional material for soil stabilization against the unconfined compressive strength value with variations in curing time of 0, 7, 14 and 28 days.The results of this study obtained soil classification according to the USCS classification including ML or inorganic silt and very fine sand, rock dust or fine silty or clayey sand. The plasticity index value after the study was 12.69%, in variation E, namely the addition of 20% fly ash and 30% GGBFS. The optimum qu value is in variation E with a curing time of 28 days, which is 2.287 kg / cm2. And experienced an increase in qu value of 295.918% from the original soil condition.
Co-Authors Fathonah, Woelandari Mina, Enden Rama Indera Kusuma Rohimah, Rt Bai Vihawian, Vini