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Kajian Bio-Korosi pada Struktur Beton di Lingkungan Industri Kota Lhokseumawe akibat Emisi Senyawa Fosfor Tanjung, Aisyah Protonia; Wardani, Lusyana Eka
Madani: Jurnal Ilmiah Multidisiplin Vol 3, No 11 (2025): December 2025
Publisher : Penerbit Yayasan Daarul Huda Kruengmane

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.18339104

Abstract

Concrete is a construction material widely used in infrastructure development due to its high compressive strength and good resistance to various environmental conditions. However, in industrial environments, concrete is susceptible to degradation caused by chemical and biological processes, one of which is bio-corrosion. Bio-corrosion occurs as a result of the activity of acid-producing microorganisms that lower the pH of the concrete surface, damage the material matrix, and accelerate corrosion of the reinforcing steel. Industrial areas, such as regions with fertilizer plants and chemical industries, generate emissions and waste containing phosphorus compounds that can affect the durability of concrete. Phosphorus compounds play a dual role: they can accelerate bio-corrosion by serving as a nutrient source for microorganisms, yet under certain conditions they may also act as corrosion inhibitors by forming protective layers on reinforcing steel. This study aims to comprehensively examine the role of phosphorus compounds in concrete bio-corrosion within industrial environments. The method employed is a literature review that analyzes previous studies addressing bio-corrosion mechanisms, microbial activity, and the influence of phosphorus on concrete and reinforcing steel. The results indicate that concrete bio-corrosion is a complex phenomenon influenced by interactions among biological, chemical, and environmental factors. The role of phosphorus is highly dependent on the surrounding environmental conditions of the concrete; therefore, effective industrial environmental management is a crucial factor in maintaining the durability and service life of concrete structures. This review is expected to provide a scientific basis for mitigating concrete deterioration and supporting sustainable infrastructure management in industrial areas.
Analisis Geoteknik Degradasi Fondasi Bangunan Pesisir Lhokseumawe: Integrasi Dinamika Siklus Hidrologi, Fluktuasi Muka Air Tanah, dan Intrusi Air Laut Wardani, Lusyana Eka; Tanjung, Aisyah Protonia
Madani: Jurnal Ilmiah Multidisiplin Vol 3, No 11 (2025): December 2025
Publisher : Penerbit Yayasan Daarul Huda Kruengmane

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.18339245

Abstract

Groundwater level fluctuations are a significant geotechnical factor influencing the stability and integrity of building foundations, particularly in coastal areas affected by seasonal hydrological cycle dynamics, tidal variations, and seawater intrusion. Lhokseumawe City, as an industrial and coastal residential area in North Aceh, is characterized by geological conditions dominated by water-saturated alluvial soils with low permeability, making it vulnerable to pore water pressure fluctuations, reductions in soil bearing capacity, and the risk of progressive subsidence. This study employs a systematic literature review method with an in-depth analysis of 22 national and international scientific references published between 2020 and 2025, obtained from ScienceDirect, SpringerLink, Scopus, and national engineering journal repositories. The review focuses on: (1) the relationship between seasonal rainfall patterns, tidal processes, and groundwater level fluctuations; (2) the quantitative impacts of groundwater level rise and decline on effective stress, foundation bearing capacity, and structural deformation; and (3) the mechanisms of seawater intrusion and its effects on reinforcement corrosion and concrete degradation in reinforced foundations. The synthesis results indicate that groundwater level rise due to extreme rainfall and high tides can increase pore water pressure by up to 20–30 kPa, reduce soil shear strength by approximately 35–40%, and decrease the bearing capacity of shallow foundations by 30–50%. Conversely, groundwater level decline resulting from excessive extraction induces clay soil consolidation with potential local subsidence of 1–3 cm/year, differential settlement, and structural damage in buildings that have been in service for several decades. Furthermore, seawater intrusion increases groundwater salinity, with chloride concentrations reaching 2,000–5,000 mg/L in coastal zones, thereby accelerating reinforcement depassivation and corrosion in reinforced foundations. These findings underscore the importance of adaptive foundation design, groundwater extraction control, and integrated seawater intrusion mitigation strategies to support the sustainability of coastal infrastructure in Lhokseumawe.
Kajian Mekanisme Sulfat Attack pada Struktur Beton terhadap Dampak Siklus Sulfur terhadap Durability Infrastruktur Tanjung, Aisyah Protonia; Wardani, Lusyana Eka
Madani: Jurnal Ilmiah Multidisiplin Vol 3, No 12 (2026): January
Publisher : Penerbit Yayasan Daarul Huda Kruengmane

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.18339342

Abstract

Sulfate attack is a significant chemical degradation mechanism in concrete, particularly for structures located in industrial environments. This process occurs due to reactions between sulfate ions and hydrated cement compounds, such as calcium hydroxide and calcium aluminate, producing expansive products like ettringite and gypsum. The formation of these compounds causes volumetric expansion, cracking, strength reduction, and progressive deterioration of concrete structures. Industrial environments are highly susceptible to sulfate attack due to production activities that generate emissions and wastewater containing sulfur compounds. These sulfur compounds undergo transformation through the environmental sulfur cycle, increasing the availability of aggressive sulfate ions that attack concrete. Continuous sulfate exposure has a significant impact on the durability of concrete infrastructure, characterized by increased porosity and permeability, as well as a reduced service life of structures. This study aims to examine the mechanisms of sulfate attack on concrete structures and its relationship with the sulfur cycle in influencing infrastructure durability. The method employed is a scoping review, analyzing scientific literature from reputable databases and nationally indexed journals. The results indicate that the severity of sulfate attack is influenced by sulfate ion concentration, environmental conditions, and concrete characteristics. A comprehensive understanding of this mechanism provides a critical foundation for the planning, management, and maintenance of sustainable concrete infrastructure in industrial environments.
Menjembatani Budaya melalui Bahasa: Pembelajaran dan Budaya Tiongkok bagi Penguatan Daya Saing Global Santri Tanjung, Aisyah Protonia; Iqbal, Muhammad; Ikhsan, Maulana; Wardhiah, Wardhiah
Journal of Community Service (JCOS) Vol. 4 No. 1 (2026)
Publisher : EDUPEDIA Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56855/jcos.v4i1.1844

Abstract

Kegiatan pengabdian ini bertujuan untuk meningkatkan daya saing global santri dayah melalui pembelajaran bahasa Mandarin dan literasi budaya Tiongkok. Di tengah pesatnya perkembangan teknologi dan dominasi Tiongkok dalam ekonomi global, kemampuan bahasa asing dan pemahaman lintas budaya menjadi kompetensi strategis. Kegiatan dilakukan melalui pelatihan dasar bahasa Mandarin, pengenalan budaya Tiongkok, diskusi teknologi global berbasis inovasi Tiongkok, serta praktik percakapan sederhana menggunakan pendekatan komunikatif. Metode pelaksanaan meliputi ceramah, praktik langsung, demonstrasi budaya, dan evaluasi berbasis pre–post test. Hasil pengabdian menunjukkan peningkatan pemahaman kosakata dasar Mandarin, peningkatan kepercayaan diri berkomunikasi, serta bertambahnya wawasan santri terkait etika budaya dan kemajuan teknologi Tiongkok. Program ini turut memperluas perspektif global santri sekaligus memperkuat kesiapan mereka menghadapi kompetisi internasional.
Pemberdayaan siswa melalui penguatan kesiapan akademik, ketahanan mental, dan kompetensi multibahasa berbasis experiential learning Maisarah, Maisarah; Iqbal, Muhammad; Ikhsan , Maulana; Tanjung, Aisyah Protonia; Wardani, Lusyana Eka; Wardhiah
PERDIKAN (Journal of Community Engagement) Vol. 7 No. 2 (2025)
Publisher : IAIN Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19105/pjce.v7i2.22672

Abstract

Academic readiness, mental resilience, digital literacy, and multilingual competence are essential skills for students transitioning to higher education. Previous studies indicate that these students often experience academic adjustment challenges, psychological pressure, and limited exposure to foreign languages beyond Arabic and English. Although several programs have addressed academic guidance and mental health awareness, the integration of experiential learning within a comprehensive empowerment model for students remains limited. This program was developed based on the hypothesis that experiential, participatory engagement can significantly enhance students’ adaptive capacities. This community engagement initiative employed a Participatory Action Research (PAR) approach, involving 200 students from Madrasah Aliyah Dayah Terpadu Al-Muslimun in Aceh Utara. The program was implemented through four stages: preparation, socialization, implementation, and evaluation, using observation, interviews, structured tasks, and reflective discussions as data collection methods. Key outcome indicators included improved academic learning strategies, enhanced mental health awareness, increased digital literacy through the use of online journals, and basic competencies in Mandarin, Japanese, and French. The results demonstrated notable improvements in academic readiness, understanding of mental well-being, and learning motivation among third-year students. Second-year students demonstrated an increased ability to recognize basic vocabulary and showed a greater interest in foreign language learning. Overall, students' active participation and teachers' positive responses indicated the effectiveness of experiential learning in strengthening their adaptability. These findings align with empowerment theory, which posits that learners are active agents in their own personal development. No adverse effects were identified during program implementation. In conclusion, this empowerment program successfully enhanced students’ academic preparedness, mental resilience, and multilingual competence. Recommendations include establishing language interest classes, digital journal reading groups, and integrating mental health education into the curriculum.[Kesiapan akademik, ketahanan mental, literasi digital, dan kompetensi multibahasa merupakan kemampuan kunci bagi santri yang akan memasuki jenjang pendidikan tinggi. Berbagai studi menunjukkan bahwa remaja pesantren menghadapi tantangan adaptasi akademik, tingginya stres belajar, serta terbatasnya paparan bahasa asing selain Arab dan Inggris. Program-program terdahulu telah menyoroti pentingnya pembinaan akademik dan kesehatan mental, namun integrasi pendekatan experiential learning dalam penguatan multiaspek siswa pesantren masih terbatas. Kegiatan ini berangkat dari hipotesis bahwa model pemberdayaan berbasis pengalaman langsung dapat meningkatkan kemampuan adaptif siswa secara signifikan. Metode kegiatan menggunakan pendekatan Participatory Action Research (PAR) dengan melibatkan 200 siswa Madrasah Aliyah Dayah Terpadu Al-Muslimun Aceh Utara. Program dirancang melalui empat tahap persiapan, sosialisasi, pelaksanaan, dan evaluasi dengan teknik pengumpulan data melalui observasi, wawancara, tugas terstruktur, dan refleksi partisipatif. Indikator utama yang diukur meliputi peningkatan pemahaman strategi belajar, kesadaran kesehatan mental, kemampuan literasi digital melalui jurnal daring, serta kompetensi dasar bahasa Mandarin, Jepang, dan Perancis. Hasil menunjukkan adanya peningkatan kemampuan akademik, pemahaman konsep mental well-being, serta motivasi belajar pada kelompok siswa tingkat tiga. Pada kelompok tingkat dua, terjadi peningkatan kemampuan identifikasi kosakata dasar dan minat terhadap pembelajaran bahasa asing. Secara keseluruhan, partisipasi aktif siswa dan respons positif guru memperlihatkan efektivitas pendekatan experiential learning dalam memperkuat kapasitas adaptif santri. Hasil ini konsisten dengan teori pemberdayaan berbasis partisipasi yang menempatkan siswa sebagai aktor utama dalam proses pengembangan diri. Tidak ditemukan dampak negatif selama pelaksanaan program. Kesimpulannya, program pemberdayaan ini berhasil meningkatkan kesiapan akademik, ketahanan mental, serta kompetensi multibahasa siswa pesantren. Rekomendasi meliputi penguatan keberlanjutan melalui pembentukan kelas minat bahasa, kelompok baca jurnal digital, dan integrasi pelatihan kesehatan mental dalam kurikulum dayah.]