Ambar Susanto, Ambar
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PENGARUH NANO-MATERIAL DAN BIOPOLIMER TERHADAP KARAKTERISTIK TANAH LUNAK UNTUK DESAIN PERKERASAN JALAN Sanniyah, Salwa Siti; Sihombing, Atmy Verani R.; Mase, Lindung Zalbuin; Susanto, Ambar; Somantri, Andri Krisnandi; Krisologus, Yulianto Petrus
Jurnal HPJI (Himpunan Pengembangan Jalan Indonesia) Vol. 10 No. 1 (2024)
Publisher : Himpunan Pengembangan Jalan Indonesia (HPJI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26593/jhpji.v10i1.7648.53-64

Abstract

Abstract The effect of soft soil modification using nano-materials and biopolymers on road pavement design is discussed in this paper. The nano-materials and biopolymers used in this research are nano-lime and nano-silica, with the biopolymer in the form of chitosan from shrimp shells. First, soil mixed with nano-materials with 1-5 matrix variations and 4 variations of biopolymer mixture (0.05%, 0.1%, 0.15%, and 0.2%) were tested in the laboratory to determine the effect of nano-materials and biopolymers on soft soil characteristics, which are expressed by the Atterberg Limit and California Bearing Ratio. Next, the data obtained was used to design road pavement. This study shows that the addition of nano-materials and biopolymers improves soil characteristics, both at the Atterberg Limit and the California Bearing Ratio of the soil. This soil improvement can reduce the thickness of the road pavement by 18.18%. Keywords: soft soil; nano-materials; biopolymers; road pavement; road Abstrak Pengaruh modifikasi tanah lunak menggunakan nano-material dan biopolimer terhadap desain perkerasan jalan dibahas pada tulisan ini. Nano-material dan biopolimer yang digunakan pada penilitian ini adalah nano-kapur dan nano-silika, dengan biopolimer berupa chitosan dari kulit udang. Pertama, tanah campuran nano-material dengan variasi matriks 1-5 dan 4 variasi campuran biopolimer (0,05%, 0,1%, 0,15%, dan 0,2%) diuji di labora-torium untuk mengetahui pengaruh nano-material dan biopolimer terhadap karakteristik tanah lunak, yang dinya-takan dengan Atterberg Limit dan California Bearing Ratio. Selanjutnya, data yang diperoleh digunakan untuk merancang perkerasan jalan. Penelitian ini menunjukkan bahwa penambahan nano-material dan biopolimer memperbaiki karakteristik tanah, baik pada Atterberg Limit maupun pada California Bearing Ratio tanah tersebut. Perbaikan tanah ini dapat mengurangi tebal perkerasan jalan sebesar 18,18%. Kata-kata kunci: tanah lunak; nano-material; biopolimer; perkerasan jalan; jalan
Kuat Tekan Self-Healing Concrete Berbasis Enkapsulasi Xanthan Gum Hafizh, Muhammad; Mauludin, Luthfi Muhammad; Keryanti, Keryanti; Susanto, Ambar
Borneo Engineering : Jurnal Teknik Sipil Volume 8 Nomor 3 Tahun 2024
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/be.v8i3.5877

Abstract

This study aims to determine the reaction and performance of self-healing concrete using Bacillus megaterium encapsulation with xanthan gum coating through a simple extrusion method. The focus of the study is on the effect of adding xanthan gum microcapsules on the compressive strength of concrete and determining the optimal microcapsule content. The percentage of xanthan gum microcapsules used is 1,2,3,4, and 5%. Based on the test results, the addition of 2% xanthan gum microcapsules provides the highest compressive strength, which is 25.6 MPa on the 7th day and 34.1 MPa on the 28th day. Further test results show that although the addition of 5% microcapsules provides the greatest strength return, the use of higher amounts of microcapsules actually reduces the overall concrete strength. Therefore, the optimal microcapsule content to be added to the concrete mixture is 2%, which provides the best balance between increasing strength and material stability.
PENGARUH NANO-MATERIAL DAN BIOPOLIMER TERHADAP KARAKTERISTIK TANAH LUNAK UNTUK DESAIN PERKERASAN JALAN Sanniyah, Salwa Siti; Sihombing, Atmy Verani R.; Mase, Lindung Zalbuin; Susanto, Ambar; Somantri, Andri Krisnandi; Krisologus, Yulianto Petrus
Jurnal HPJI (Himpunan Pengembangan Jalan Indonesia) Vol. 10 No. 1 (2024)
Publisher : Himpunan Pengembangan Jalan Indonesia (HPJI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26593/jhpji.v10i1.7648.53-64

Abstract

Abstract The effect of soft soil modification using nano-materials and biopolymers on road pavement design is discussed in this paper. The nano-materials and biopolymers used in this research are nano-lime and nano-silica, with the biopolymer in the form of chitosan from shrimp shells. First, soil mixed with nano-materials with 1-5 matrix variations and 4 variations of biopolymer mixture (0.05%, 0.1%, 0.15%, and 0.2%) were tested in the laboratory to determine the effect of nano-materials and biopolymers on soft soil characteristics, which are expressed by the Atterberg Limit and California Bearing Ratio. Next, the data obtained was used to design road pavement. This study shows that the addition of nano-materials and biopolymers improves soil characteristics, both at the Atterberg Limit and the California Bearing Ratio of the soil. This soil improvement can reduce the thickness of the road pavement by 18.18%. Keywords: soft soil; nano-materials; biopolymers; road pavement; road Abstrak Pengaruh modifikasi tanah lunak menggunakan nano-material dan biopolimer terhadap desain perkerasan jalan dibahas pada tulisan ini. Nano-material dan biopolimer yang digunakan pada penilitian ini adalah nano-kapur dan nano-silika, dengan biopolimer berupa chitosan dari kulit udang. Pertama, tanah campuran nano-material dengan variasi matriks 1-5 dan 4 variasi campuran biopolimer (0,05%, 0,1%, 0,15%, dan 0,2%) diuji di labora-torium untuk mengetahui pengaruh nano-material dan biopolimer terhadap karakteristik tanah lunak, yang dinya-takan dengan Atterberg Limit dan California Bearing Ratio. Selanjutnya, data yang diperoleh digunakan untuk merancang perkerasan jalan. Penelitian ini menunjukkan bahwa penambahan nano-material dan biopolimer memperbaiki karakteristik tanah, baik pada Atterberg Limit maupun pada California Bearing Ratio tanah tersebut. Perbaikan tanah ini dapat mengurangi tebal perkerasan jalan sebesar 18,18%. Kata-kata kunci: tanah lunak; nano-material; biopolimer; perkerasan jalan; jalan