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Miswar, Khairul
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Studi Karakteristik Marshall pada Aspal Porous dengan Penambahan Abu Cangkang Kopi sebagai Filler Sulaiman, Sulaiman; Gani, Fauzi A.; Miswar, Khairul; Gusrizal, Gusrizal; Maulana, Adi
Portal: Jurnal Teknik Sipil Vol 15, No 2 (2023): October Edition
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/portal.v15i2.4944

Abstract

The type of pavement used in Indonesia is generally flexible pavement. Porous asphalt is one of the flexible pavement layers. Porous asphalt is a mixture of asphalt concrete with a high content of air voids in the mixture. The purpose of the study was to determine the composition and characteristics of porous asphalt with coffee shell substitution as a filler. Aggregate gradation used open gradation or uniform graded with variations in asphalt content of 3.2%, 3.7%, 4.2%, 4.7% and 5.2% before being substituted for coffee shells, using 60/70 penetration asphalt as a binder. The results of testing and calculation of Marshall parameters to determine KAO, obtained an optimum asphalt content of 4.7% with a stability value of 804 kg, flow 3.3 mm, VIM 19.2%, and MQ 249.4 kg/m. After the KAO was obtained, the specimens were made with variations of coffee shell substitution of 0.5%, 1%, 1.5%, 2% and 2.5%. Marshall test results obtained the optimum composition of coffee shell content at 1% composition with a stability value of 1474 kg, flow 3.1 mm, VIM 13.8%, and MQ 475.6 kg/m. The optimum coffee shell content is determined by the results of the ups and downs of a graph. The test results are evidenced by the increase in the value of the graph on the value of stability, flow, and MQ.
Pendekatan Konsep Penerapan Green Infrastructure Pada Kawasan Perumahan Berbasis Komunal Muliani, Fitri; Miswar, Khairul; Munandar, Aris; Rinaldy, Deri
Jurnal Rekayasa Teknik dan Teknologi Vol 8 No 2: Jurnal Rekayasa Teknik dan Teknologi, Juli, 2024
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Almuslim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51179/rkt.v8i2.2739

Abstract

This research aims to discuss policies and implementation of green infrastructure in Indonesia in communal-based housing areas. The references used for come from problems and best practices from other countries that have implemented green infrastructure. The method used is a descriptive method with a literature review approach. This research was carried out by understanding concepts, regulations, application of concepts, as well as identifying problems and providing recommendations related to green infrastructure in Indonesia. Based on the research results, there are six main regulations that serve as a reference for implementing green infrastructure in residential areas in Indonesia. Where the important thing in this regulation is Green Open Space (RTH) in the city with a minimum area proportion of 30%, rainwater storage is also set at a capacity of 50% of the amount of rainwater that falls according to annual rainfall and a general room temperature of 25 degrees Celsius. with relative humidity of 60%. The main problem is that 30% to 40% of carbon dioxide emissions are produced by buildings, which shows that buildings have a significant contribution to the process of environmental damage, as do residential areas. In Indonesia, the concept of green infrastructure that is applied is oriented towards zero energy use and the use of renewable energy. Holistic policy regulations are needed, from upstream to downstream as a form of implementing green infrastructure in residential areas, such as several developed countries in the world, namely the United States, England and Singapore, which have implemented policy regulations for sustainable implementation of green infrastructure in their countries.
Pengaruh Penambahan Serat Kawat Bendrat Pada Beton Terhadap Kuat Tekan Dan Kuat Belah Miswar, Khairul; Kurnia, R. Dedi Iman; Yusmananda, Robi
Jurnal Rekayasa Teknik dan Teknologi Vol 7 No 1: Jurnal Rekayasa Teknik dan Teknologi, Januari, 2023
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Almuslim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51179/rkt.v7i1.1829

Abstract

Beberapa penelitian yang telah dilakukan pada negara maju termasuk melakukan beberapa percobaan dengan menambahkan bahan tambah serat baja dalam campuran beton. Namun dikarenakan harga serat itu sangat mahal di indonesia, maka digunakan serat kawat bendrat untuk menggantikan serat baja tersebut pada campuran beton. Serat kawat bendrat berdiameter 1 mm dipotong dengan panjang 4 cm dan berbentuk lingkaran dan lurus digunakan dalam campuran beton yang diperkirakan mampu meningkatkan kuat tekan dan kuat belah beton dengan benda uji silinder berdiameter 15 cm dan tinggi 30 cm yang dites pada umur 28 hari. Jumlah serat yang akan digunakan 5% dari volume beton. Rasio serat kawat l/d<100 sebagai acuan penggunaan serat. Hasil penelitian menunjukan bahwa penambahan serat kawat bendrat pada campuran beton didapatkan nilai slump test lebih kecil dibandingkan beton normal. Beton normal diperoleh lebih tinggi dibandingkan dengan beton serat kawat lurus dan beton serat kawat cincin yaitu beton normal 12 cm dengan beton serat lurus 8 cm dan beton serat cincin 7,7 cm. Sedangkan untuk penambahan serat kawat pada campuran beton meningkatkan kuat tekan beton dari beton normal 21,39 Mpa pada campuran kawat cincin meningkat sebesar 22,37 Mpa dan campuran serat lurus meningkat sebesar 21,57 Mpa. Dan untuk kuat tarik diperoleh peningkatan dari beton normal 2,90 Mpa mengalami peningkatan pada campuran serat kawat cicin sebesar 3,96 Mpa dan serat kawat lurus meningkat sebesar 3,35 Mpa.
Pelatihan Pengumpulan dan Pengolahan Data Ukur Bagi Siswa-Siswa Sekolah Dasar Swasta Sukma Bangsa Lhokseumawe Kaifan, Andrian; Gani, Fauzi A.; Munardy, Munardy; Abdullah, Faisal; Miswar, Khairul; Ruhana, Ruhana; Riyadhsyah, Riyadhsyah
Jurnal Pengabdian Masyarakat (ABDIRA) Vol 5, No 3 (2025): Abdira, Juli
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/abdira.v5i3.664

Abstract

This community service activity aims to provide basic training to students of Sukma Bangsa Lhokseumawe Private Elementary School in collecting and processing measurement data using simple and semi-digital tools, namely tape measures, automatic waterpass, and sound level meters. This training is intended to foster students' initial understanding of the concepts of measuring length, elevation, and environmental noise levels, as well as introducing simple statistical methods such as mode, median, and mean. The implementation methods include delivering materials, demonstrating tool usage, hands-on practice, and processing and interpreting measurement data. The results show that students are able to understand the functions of measuring instruments and process data using basic statistical methods. This activity has proven effective in enhancing science literacy and numeracy among elementary school students.
PELATIHAN PENGGUNAAN APLIKASI SOFTWARE PTC MATHCAD PRIME UNTUK LULUSAN JURUSAN TEKNIK SIPIL POLITEKNIK NEGERI LHOKSEUMAWE Musbar, Musbar; Miswar, Khairul; Muhyi, Abdul; Riyadhsyah, Riyadhsyah; Bahri, Syamsul
Jurnal Vokasi Vol 6, No 3 (2022): November
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/vokasi.v6i3.3300

Abstract

Kemampuan lulusan Jurusan Teknik Sipil Politeknik Negeri Lhokseumawe  (JTS PNL) dalam menggunakan aplikasi perhitungan analisis rekayasa secara cepat dan tepat masih dirasakan kurang. Sebagian besar Perhitungan masih menggunakan aplikasi MS Excell yang mempunyai keterbatasan untuk memasukkan formula – formula yang komplek. Tujuan dari pelatihan ini adalah untuk mengatasi permasalahan mitra dalam bidang perhitungan rekayasa berbasis neumerik dengan menggunakan aplikasi PTC Mathcad Prime. Kegiatan pelatihan ini dilaksanakan selama dua hari penuh yang bertempat di Laboratorium Struktur Jurusan Teknik Sipil PNL dengan jumlah peserta sebanyak 5 orang. Materi pelatihan secara umum terbagi dalam 6 modul latihan, yaitu: mempelajari bagaimana menggunakan ribbon dan help, memasukkan dan mengedit persamaan matematika, menentukan dan evaluasi variabel dan fungsi, menyisipkan dan kerjakan dengan vektor dan matriks, membuat dan format plot dan menyesuaikan dan format lembar kerja. Peserta belum pernah menggunakan aplikasi tersebut sebelumnya, sehingga kemampuan dasar peserta sangat kurang. Setelah pelatihan peserta sudah mampu menggunakan aplikasi dan mengembangkannya dalam berbagai analisis matematika dan rekayasa secara mandiri
ANALISIS KETERKAITAN MASYARAKAT TERHADAP  RAINWATER HARVESTING SEBAGAI UPAYA PENERAPAN GREEN BUILDING PADA KAWASAN PERUMAHAN Muliani, Fitri; Zuraihan, Zuraihan; Yanis, Muhammad; Munandar, Aris; Muttaqim, Hakim; Suhaimi, Suhaimi; Miswar, Khairul
Agora : Jurnal Penelitian dan Karya Ilmiah Arsitektur Usakti Vol. 23 No. 1 (2025)
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/agora.v23i1.21760

Abstract

Penelitian ini mengeksplorasi sejauh mana keterlibatan masyarakat dalam penerapan sistem pemanenan air hujan (rainwater harvesting) sebagai alternatif penyediaan air bersih di lingkungan perumahan, dengan pendekatan deskriptif kualitatif berbasis pada persepsi dan kesiapan warga. Latar belakang studi ini berkaitan dengan meningkatnya pembangunan perumahan yang berdampak pada tingginya kebutuhan air bersih. Sistem rainwater harvesting dinilai sebagai solusi berkelanjutan yang sejalan dengan prinsip green building dan konservasi sumber daya air. Pengumpulan data dilakukan melalui metode kombinasi, yakni wawancara mendalam menggunakan teknik snowball sampling dan penyebaran kuesioner dengan metode stratified proportional random sampling. Data dianalisis menggunakan perangkat lunak SPSS versi 25 dengan teknik Multidimensional Scaling (MDS) berbasis skala nonmetrik untuk mengungkap faktor preferensi masyarakat. Hasil analisis menunjukkan bahwa faktor hemat biaya dan akses terhadap air bersih menjadi pendorong utama adopsi sistem ini, sementara pengetahuan teknis dan kualitas air masih menjadi hambatan. Studi ini memberikan kontribusi penting dalam memahami dinamika sosial penerimaan teknologi hijau di skala komunitas perumahan
Pemanfaatan Limbah Konstruksi untuk Memperbaiki Gradasi Tanah pada Produksi Bata Compressed Stabilized Earth Block (CSEB) Kaifan, Andrian; Munardy, Munardy; Irham, Irham; Miswar, Khairul; Gani, Fauzi A.
Teras Jurnal : Jurnal Teknik Sipil Vol. 15 No. 1 (2025): Volume 15 Nomor 1, Maret 2025
Publisher : UNIVERSITAS MALIKUSSALEH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/tj.v15i1.1208

Abstract

Abstrak Material semen adalah yang paling umum digunakan sebagai stabilisator untuk meningkatkan sifat-sifat Compressed Stabilized Earth Blocks (CSEB). Faktor yang mengatur yang mengendalikan sifat-sifat CSEB termasuk jumlah kandungan lanau dan lempung di dalam tanah. Penelitian ini difokuskan pada pengendalian kandungan lanau dan lempung dan perbaikan gradasi dengan penggunaan limbah konstruksi (beton yang dihancurkan) dan pasir sungai. Tanah yang dipilih dimodifikasi garadasinya dengan menambahkan limbah konstruksi dan pasir mengikuti teori konsep particle packing pada kurva gradasi Fuller dengan kandungan lanau + lempung kondisi asli dan sebanyak 20%. Semen digunakan dengan kadar 6%, 8%, dan 10%. Benda uji kubus 15 × 15 × 15 cm3 dicetak dan diuji kepadatan, penyerapan air, dan kuat tekan 28 hari. Hasil dari penelitian terlihat bahwa bata CSEB yang diperbaiki gradasi tanahnya ini masuk pada mutu Kelas C dan kelas B menurut WD-ARS 1333:2018(E) Bagian 7. Bata CSEB dengan campuran limbah konstruksi ini memberikan solusi mengurangi limbah konstruksi. Kata kunci: CSEB, limbah konstruksi, lanau dan lempung, particle packing, kuat tekan.  Abstract Cement is the most used material as a stabilizer to improve the properties of Compressed Stabilized Earth Blocks (CSEB). The controlling factors that control the properties of CSEB include the amount of silt and clay content in the soil. This study focused on controlling silt and clay content and improving gradation by using construction waste (crushed concrete) and river sand. The selected soil was modified in its gradation by adding construction waste and sand following the particle packing concept theory on the Fuller gradation curve with the original silt + clay content and as much as 20%. Cement was used with levels of 6%, 8%, and 10%. Cube test specimens measuring 15 × 15 × 15 cm3 were moulded and tested for density, water absorption, and 28-day compressive strength. The results of the study showed that the CSEB bricks with improved soil gradation were in Class C and Class B quality according to WD-ARS 1333:2018(E) Part 7. CSEB bricks with a mixture of construction waste provide a solution to reduce construction waste. Keywords: CSEB, construction waste, silt and clay, particle packing, compressive strength
Pengaruh Kombinasi Agregat Halus dan Volume Foam terhadap Sifat Mekanik Beton Busa Naifah, Naifah; Sabila, Ghaitsa Zahira; Bahri, Syamsul; Miswar, Khairul
Jurnal Teknologi Vol 25, No 2 (2025): Agustus 2025
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/teknologi.v25i2.7551

Abstract

Lightweight concrete is defined as concrete utilizing lightweight aggregates or a combination of fine aggregates and natural sand, with a maximum density not exceeding 1850 kg/m³. Recent advancements in foam concrete—a cement-based material with a density range of 400–1850 kg/m³—have expanded its applications in structural and non-structural components. This study investigates the effect of fine aggregate particle size and foam volume on the compressive strength of lightweight foam concrete. Fine aggregates with particle sizes of 4.75 mm, 2.36 mm, and 1.18 mm were used, corresponding to target densities of 800 kg/m³, 1000 kg/m³, and 1200 kg/m³. The mix design was based on the Absolute Volume Method, following ASTM C29 and SNI standards. Experimental results indicate that the use of 4.75 mm aggregate resulted in the highest percentage increase in compressive strength across all dencity levels, namely 1.50% at 800 kg/m³, 2.08% at 1000 kg/m³, and 1.34% at 1200 kg/m³. At the highest density (1200 kg/m³), where foam content was minimized, the increase in compressive strength was more stable, recorded at 1.06% for 1.18 mm sand, 1.28% for 2.36 mm sand, and 1.34% for 4.75 mm sand. The findings highlight that both aggregate gradation and foam volume significantly affect the mechanical performance of foam concrete, with coarser aggregates offering better strength performance, particularly at higher densities.
Co-Authors Adi Maulana, Adi Andrian Kaifan Aris Munandar Faisal Abdullah Fazila, Noor Gani, Fauzi A. Gusrizal Gusrizal Hakim Muttaqim Irham Irham Kurnia, R. Dedi Iman Mehta, Sayed Zubein Muhammad Yanis Muhyi, Abdul Muliani, Fitri Munardy, Munardy Musbar Musbar, Musbar Naifah Naifah Rinaldy, Deri Riyadhsyah, Riyadhsyah Ruhana, Ruhana Sabila, Ghaitsa Zahira Suhaimi Suhaimi Sulaiman Sulaiman Syamsul Bahri Yusmananda, Robi Zuraihan Zuraihan