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All Journal Civil Engineering Journal International Journal of Engineering, Science and Information Technology Educalitra: English Education, Linguistics, and Literature Journal
Ahmad, Jawad
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Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences Transportation

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A Comparative Analysis of Tintern Abbey and Frost at Midnight from the Perspective of Ecocriticism Ahmad, Jawad; Jian, Luo
Educalitra: English Education, Linguistics, and Literature Journal Vol. 3 No. 1 (2024)
Publisher : English Language Education Study Program, Faculty of Social, Economics, and Humanities, University of Nahdlatul Ulama Purwokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.10596899

Abstract

This comparative analysis exploits the framework of ecocriticism to explore the themes of nature and the environment in William Wordsworth's "Tintern Abbey" and Samuel Taylor Coleridge's "Frost at Midnight." By examining the poetic techniques, imagery, and philosophical discourses employed by both poets, this article aims to shed light on how their respective works portray a deep connection and reverence for nature. The analysis delves into the shared themes of environmental consciousness, the spiritual significance of the natural world, and the role of memory in shaping one's relationship with the environment. Through a comparison of these two seminal Romantic poems, this study reveals the poets' nuanced perspectives on nature and offers insights into the broader ecological concerns of the Romantic period.
Artificial Intelligence Models for Predicting the Compressive Strength of Geopolymer Cements Rahmawati, Cut; Aisyah, Siti; Sanusi, .; Iqbal, .; Maulana, M. Mufid; Erdiwansyah, .; Ahmad, Jawad
Civil Engineering Journal Vol 10 (2024): Special Issue "Sustainable Infrastructure and Structural Engineering: Innovations in
Publisher : Salehan Institute of Higher Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28991/CEJ-SP2024-010-03

Abstract

The utilization of nanosilica and cellulose nanocrystals (CNCs) in cement geopolymers remains challenged by intricacies and uncertainties regarding their concentration, posing difficulties in the formulation of systematic geopolymer mix designs. This study aims to formulate models based on Artificial Neural Networks (ANN) capable of forecasting the compressive strength of geopolymers through the utilization of experimentally acquired data. Nanosilica was applied at concentrations of 2%–4% and CNCs at 1%–3%. ANN was modeled using MATLAB to predict the compressive strength of the geopolymer. The results indicated an effect of nanosilica and CNCs on the compressive strength of geopolymer at 2%–4% concentration and 1%–3% CNCs. The best ANN was the GDX training function, purelin activation function, LGD and LGDM learning functions, Lr 0.1 and 0.01 at the number of epochs 3812 out of 25000 and 1774 out of 25000, resulting in the best correlation values of 0.994 and 0.959; the lowest RMSE values are 0.022 and 0.110. The results of the ANN model built based on actual data prove that the model is helpful for accurate simulation to predict the compressive strength of geopolymer cement. This study contributes novelty by optimizing the design model for Geopolymer Cements incorporating nanosilica and CNCs. Doi: 10.28991/CEJ-SP2024-010-03 Full Text: PDF
Performance of Soil Subgrade Improvement using Waste Material Coconut Shell Charcoal Putri, Lusi Dwi; Rahmawati, Cut; Ahmad, Jawad
International Journal of Engineering, Science and Information Technology Vol 5, No 3 (2025)
Publisher : Malikussaleh University, Aceh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52088/ijesty.v5i3.1006

Abstract

This study investigates using Coconut Shell Charcoal (ABK) as a stabilizing agent for clayey soils, aiming to enhance their suitability for road subgrade applications. The primary objective is to evaluate the effect of varying ABK concentrations (0%, 5%, 10%, and 15%) on the geotechnical properties of clay soil, particularly its compaction and load-bearing capacity. Laboratory tests, including compaction and California Bearing Ratio (CBR), were conducted to assess the influence of ABK on soil strength and stability. The results reveal that adding ABK significantly improves the soil's compaction characteristics and CBR values. The highest improvement was observed at 15% ABK, where the CBR value reached 22.22%, well above the minimum threshold required for road subgrade materials. There is a good influence of coconut shell charcoal on increasing the CBR value of clay soil subgrade at each additional material. The R value of 0.963 obtained shows a very high correlation. The addition of coconut shell charcoal to the subgrade soil has a positive effect on the California Bearing Ratio value which increases in each variation. The study demonstrates that ABK, a sustainable agricultural waste product, provides an affordable and effective solution for enhancing the strength and stability of clay soils, making it a promising alternative to traditional stabilizers such as lime and cement. The findings have significant implications for road construction in regions with expansive and weak soils, offering a cost-effective and environmentally friendly method for soil stabilization. This research contributes to the growing body of knowledge on the use of agricultural waste in infrastructure development, emphasizing the potential of ABK in providing sustainable solutions for soil improvement in civil engineering applications.
Co-Authors . Iqbal . Sanusi, . Erdiwansyah, . Jian, Luo Lusi Dwi Putri, Lusi Dwi Maulana, M. Mufid Rahmawati, Cut Siti Aisyah