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All Journal Journal of Advanced Civil and Environmental Engineering Journal of the Civil Engineering Forum Jurnal Pengabdian Masyarakat Bidang Sains dan Teknologi Tematik Jurnal Pengabdian KOLABORATIF Jurnal Teknik Sipil
Nur Fithriani F. Cholida
Departement Of Civil Engineering, Universitas Semarang, Semarang
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Electrical & Electronics Engineering Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Mathematics Mechanical Engineering Medicine & Pharmacology Nursing Public Health Social Sciences Transportation Veterinary

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Investigation on the Compressive Strength of Gunny Sack Fiber Concrete under High-Temperatures Nur Fithriani F. Cholida; Purwanto P.; Hani Purwanti
JACEE (Journal of Advanced Civil and Environmental Engineering) Vol 3, No 1 (2020): April
Publisher : Universitas Islam Sultan Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/jacee.3.1.27-35

Abstract

Gunny sack fiber concrete has not been explored especially the behavior under high temperatures. This paper presents the results of an experimental investigation of gunny sack fibrous concrete (percentage of 0.5% of volume) given a monotonic- compressive load. A number of cylindrical test specimens were made which consisted of control specimens and which were incinerated at temperatures of 300oC, 600oC and 900oC. The concrete -compressive strength was designed with three variations of the cement water ratio to get the compressive strength of a standard cylinder with normal, medium and high -quality compressive strength categories. Experimental results show that normal to high quality concrete can be produced with gunny sack fiber substitution. The compressive strength of the gunny sack fiber concrete decreased significantly from the control specimen to the specimen which was burned at 300oC. The loss of compressive strength from the control specimens to the post-burn specimens of medium quality and high -quality of gunny sack fiber concrete was the same compared with the loss of compressive strength of normal- quality concrete. This study also carried out a comparison of the degradation of the compressive strength of steel fibrous concrete with gunny sack fiber in post-burn conditions.
A Parametric Study of Confinement Effects to the Interaction Diagram of P-M for High-Strength Concrete Columns Nur Fithriani Fatma Cholida; A Antonius; Faiqun Ni'am
JACEE (Journal of Advanced Civil and Environmental Engineering) Vol 1, No 1 (2018): April
Publisher : Universitas Islam Sultan Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/jacee.1.1.30-37

Abstract

In reinforced concrete columns design, P-M interaction diagram is used as axial load control and column bending without taking into account the effect of lateral reinforcement bars. Design principles that ignore the effect of reinforcement bars will result in low value of actual axial capacity of column. This paper presents the effect of lateral reinforcement with a case study of square-sectional columns on high-strength concrete. The equation of unconfined concrete strength enhancement is based on Mander, Legeron, Imran, Antonius and Muguruma models. The reviewed parameters include compressive strength of concrete, reinforcement configuration, and spacings of confinement. The result of the analysis is a comparison of P-M diagram based on confinement models. It shows that confinement significantly influences axial capacity of column, yet it has a certain collapse point at point P = 0 in all models. This is caused by longitudinal reinforcement system. Configuration of reinforcement, spacing and confinement models greatly affects the collapse behavior of column, whether the collapse is classified as compressive collapse or tensile collapse based on the P-M diagram.
A Comparative Study on the Confinement Models of High-Strength Steel Fiber Concrete Nur Fithriani F. Cholida; Antonius; Lintang Enggartiasto
Journal of the Civil Engineering Forum Vol. 8 No. 3 (September 2022)
Publisher : Department of Civil and Environmental Engineering, Faculty of Engineering, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jcef.4029

Abstract

Since the last four decades, the behavior of concrete contains of steel fiber, or often called steel fiber concrete, with a wide range of compressive strength has been carried out. Generally, the results of the experimental program produced a material which has a more ductile compared with normal concrete or concrete without fiber. Due to the ductility properties of the material, it is very suitable for use as an earthquake-resistant structural material. At the same time, the behavior of high-strength steel-fiber concrete has also investigated, one of which is about confined high-strength steel-fiber concrete. Analytical models of confined high-strength steel fiber concrete have been developed in various preliminary studies, with their characteristics derived based on the experimental results. Therefore, this research evaluated the models of confined high-strength steel-fiber concrete proposed by Mansur et al., Hsu and Hsu, and Paultre et al. The evaluation includes stress-strain behavior, strength enhancement of confined concrete (f'cc/f'co) or K value, the increase in confined concrete strain (ε'cc/ε'co), and strain of confined concrete when the stress has dropped by 50 percent against its unconfined strain (εcc50/εc50). The comparison method was carried out using a statistical approach and stress-strain simulation. Evaluation results showed significant predictive differences in confinement models in terms of post-peak behavior and parameters ε'cc/ε’co and εcc50/εc50. Prediction of confinement models on the value of f'cc/f’co to the experimental results has a coefficient of variation above 10%. The result further showed that a modified model of confined high-strength steel-fiber concrete was proposed and able to simulate the stress-strain behavior.
Performance of The Existing Building Under Earthquake Loads Based on Current Indonesian National Standard Lintang Enggartiasto; Nur Fithriani Fatma Cholida; Purwanto P
JACEE (Journal of Advanced Civil and Environmental Engineering) Vol 5, No 2 (2022): October
Publisher : Universitas Islam Sultan Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/jacee.5.2.94-102

Abstract

This paper presents the results of an assessment of the existing 5-storey building built in 1980, which aims to determine the level of safety against the most recent standards. The method used is non-destructive testing, collecting planning data in the form of as built drawings and implementation data. The assessment of the existing structure consists of an evaluation of the condition of the material, structural system, and analysis of the structure using the latest load standards. The test results of the existing structural material show that the compressive strength of the concrete still meets the requirements based on SNI-2847-2019. The results of the evaluation of the structure against earthquake loads show that the performance of the structure has a mass participation of 100% and the dynamic base shear force (V) reaches 100% of Vstatic therefore it meets the requirements in SNI 1726-2019. The results of the evaluation of the performance of the structure show that the lateral drift and P-delta effects still meet the requirements of the most recent standards. Horizontal and vertical structural irregularities are found in the existing structural system. The structure's overall performance level (X and Y direction earthquakes) is Damage Control. These results are still permitted for structures with a priority factor (Ie) 1.50, with an earthquake return period of 2500 years.
ANALISIS KAPASITAS DAYA DUKUNG PONDASI DANGKAL BERDASARKAN PENGUJIAN CONE PENETRATION TEST Undayani Cita Sari; Nur Fithriani Fatma Cholida; Moh Nur Sholeh; M Mirza Pratama
Jurnal Teknik Sipil Vol 18 No 1 (2022): Jurnal Teknik Sipil
Publisher : Universitas Kristen Maranatha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28932/jts.v18i1.3760

Abstract

In the simple buildings, shallow foundations can be used to support the construction above them. This shallow foundation has various types, including the type of footplate which can be calculated using the Terzaghi equation. In the Terzaghi equation, it requires dimension parameters of the footing and soil material parameters such as cohesion and soil volume weight which requires laboratory testing to obtain it. Meanwhile, Schmertmann provides an equation to obtain the Terzaghi bearing capacity factor in the form of Nq and Nγ by using the Cone Penetration Test (CPT). This bearing capacity factor value can be used to calculate the bearing capacity using the Terzaghi Equation. In addition, Schmertmann also provides an equation to directly calculate the bearing capacity value based on CPT data. Based on this problem, this study analyzes the bearing capacity of various footplate dimensions using the Schmertmann approach. The study took place in the Argoboga, Salatiga which the type of soil based on the CPT test value generally is sandy soil. The results show that the bearing capacity calculated by the Nq correlation method is greater than the Nγ correlation method and the direct correlation method. In addition, the greater the difference between the dimensions and the depth of the foundation, the greater the deviation of the bearing capacity results between each method.  
Peningkatan K3 dan Produktivitas Pekerja Konstruksi pada Proyek Rumah Kos Talitha Hafira; Nur Fithriani Fatma Cholida; Iryan Dwi Handayani; Widya Ayu Prawesthi
ABDIKAN: Jurnal Pengabdian Masyarakat Bidang Sains dan Teknologi Vol. 5 No. 1 (2026): Februari 2026
Publisher : Yayasan Literasi Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55123/abdikan.v5i1.7158

Abstract

This community service activity was motivated by the low awareness of construction workers towards K3 in a small-scale boarding house construction project in Wanamukti, Tembalang, Semarang, where the construction sector contributes >30% of national work accidents due to minimal use of PPE and supervision. The problem formulation includes low knowledge ofK3, non-compliance with PPE, and the absence of simple SOPs that lead to high risks and low productivity. The program's objective is to improve understanding, skills, and a safe work culture through training and mentoring. The research method consisted of an initial survey, a pretest with 15 workers, applied K3 training with PPE demonstrations and safety talks, field mentoring, and a posttest using the N Gain formula. The results showed an increase in posttest scores from the range of 30–60 to 70–95 (100% of participants increased), with an average N Gain of 56.78% (moderate category); workers began to get used to wearing helmets, safety shoes, and gloves, and a decrease in unsafe acts. The conclusion is that the training is effective in improving safety and productivity. Suggestions for future service include continuing regular training, developing K3 SOPs, and expanding to similar projects in several other cities.
Pengabdian kepada Masyarakat melalui Optimalisasi Detail Engineering Design (DED) Struktur Masjid Berbasis Standar Konstruksi Nasional Nur Fithriani Fatma Cholida; Thalita Zhafira; Iryan Dwi Handayani; Trias Widorini
ABDIKAN: Jurnal Pengabdian Masyarakat Bidang Sains dan Teknologi Vol. 4 No. 3 (2025): Agustus 2025
Publisher : Yayasan Literasi Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55123/abdikan.v4i3.6118

Abstract

The mosque is the center of religious and social activities of the community. Its construction requires careful technical planning. This will ensure that the building is safe, efficient, and in accordance with Standar Nasional Indonesia (SNI). The purpose of this community service activity is to provide technical assistance during the process of preparing the Detail Engineering Design (DED) of the Assafi Qolbu Mosque building located in Mranggen District, Demak Regency. Using an expert-driven design approach, the assistance was carried out by a team of Civil Engineering lecturers at Semarang University. Site surveys, needs analysis, technical working drawings, and selection of structural materials according to standards were all work carried out. The activity resulted in a one-story building structure technical document (DED) that included the planning of strip and footplate foundations, sloofs, columns, beams, floor slabs, and light reinforced roof structures. A well-designed DED ensures that the durability of the building is guaranteed to meet the aspects of structural safety and material efficiency. This activity not only creates design documents, but also increases partners' understanding of the importance of involving experts in the construction of mosques, especially their structures. It is expected that this assistance will serve as an implementative model for the construction of worship facilities based on Indonesian National Standards.
IDENTIFIKASI KELAYAK AN GEDUNG KANTOR KELURAHANKALICARI SEMARANG MENGGUNAKAN HAMMER TEST Hani Purwanti; Nur Fithriani Fatma; Ferry Firmawan
TEMATIK Vol. 2 No. 1 (2022): Januari
Publisher : Universitas Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26623/tmt.v2i1.4536

Abstract

AbstrakKelurahan merupakan unit pemerintahan terkecil setingkat dengan desa. Berbeda dengan desa, kelurahan memiliki hak mengatur wilayahnya lebih terbatas. Dalam perkembangannya,sebuah desa dapat diubah statusnya menjadi kelurahan. Kelurahan merupakan wilayah kerja Lurahsebagai Perangkat Daerah Kabupaten atau kota. Kelurahan dipimpin oleh seorang Lurah yangberstatus sebagai Pegawai Negeri Sipil. Peraturan terbaru yang mengatur hal yang berkaitan denganKelurahan, yaitu Undang-Undang Nomor 23 Tahun 2014 tentang Pemerintahan Daerah. KantorKelurahan Kalicari dibangun pada tahun 1995 secara swakelola. Ini berarti Usia bangunan kantorkelurahan kalicari sudah mencapai 26 tahun. Dalam pasal 25 ayat 2 UU 18/1999, Umur bangunankonstruksi sendiri bisa lebih lama atau lebih singkat dari 10 tahun, tergantung pada rencana ataujenis konstruksinya. Tetapi secara umum, umur maksimum bangunan ialah 30 tahun. Sebenarnyasebuah bangunan bisa saja tetap berdiri kokoh hingga 50 tahun, bahkan 100 tahun, tetapi perludiperhatikan jika sudah menginjak usia 30 tahun. Karena kantor kelurahan kalicari ini dibangun secara swakelola oleh masyarakat sehinggabaik dana, perencanaan dan pelaksanaan serta pengawasan dilakukan sendiri oleh masyarakatsehingga perlu di cek secara fisik keamanan bangunannya yang sudah mencapai usia 26 tahun.Karena semakin tua bangunan maka tingkat ketahanan bangunan semakin berkurang. Untuk mengetahui kekokohan sebuah bangunan bisa diketahui dengan peralatan khususantara lain Hammer Test. Untuk itu Tim Pengabdian kepada masyarakat dari Fakultas Teknik,Universitas Semarang menguji kekuatan beton menggunakan Hammer test dari bangunan kantorkelurahan di beberapa titik kolom, dan sloof dari bangunan tersebut. Pelaksanaan pengujianhammer test di kelurahan kalicari dilaksanakan pada tanggal 19 Oktober 2021 didampingi daripihak kelurahan Kalicari yaitu Lurah Bapak Didik Agung Mulyana, SE, MSI  
Pelatihan Karya Tulis Ilmiah Berbasis AI untuk Meningkatkan Literasi Ilmiah Siswa SMA Negeri 1 Mranggen Talitha Zhafira; Nur Fithriani Fatma Cholida; Iryan Dwi Handayani; Widya Ayu Prawesthi
Jurnal Pengabdian KOLABORATIF Vol. 4 No. 2 (2026): July
Publisher : Faculty of Engineering, Universitas Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26623/kolaboratif.v4i2.14743

Abstract

Scientific literacy is a fundamental competency that should be developed among students to enable them to adapt to the evolving learning environment in the digital era. Nevertheless, students' competence in producing scientific papers still requires significant improvement. In addition, the use of Artificial Intelligence (AI) as a supporting tool in the learning process has not yet been optimally implemented. This community service program aimed to enhance students' scientific literacy at SMA Negeri 1 Mranggen through AI-assisted training in scientific writing and to introduce the ethical use of digital technology in academic writing. The program was implemented through several stages, including the delivery of instructional materials, demonstrations of AI applications, interactive discussions, hands-on scientific writing practice, and learning outcome assessments using pre-tests and post-tests. A total of 60 students from SMA Negeri 1 Mranggen participated in the program. The analysis of learning outcomes revealed that the participants' average score increased from 52.73 before the training to 91.73 after the training. Furthermore, the calculated N-Gain value of 0.825 indicates a high level of improvement. These findings demonstrate that the training was effective in improving students' understanding of the structure of scientific papers, the use of AI as a writing support tool, and scientific literacy in general. The integration of AI technology into scientific writing training has the potential to become an innovative instructional approach for strengthening students' academic competencies in the digital era. The outcomes of this program help accelerate the adoption of digital technology in schools while encouraging the educational community to use AI ethically.
Co-Authors A Antonius Antonius Faiqun Ni'am Ferry Firmawan Hani Purwanti Lintang Enggartiasto Lintang Enggartiasto M Mirza Pratama Moh Nur Sholeh Purwanto Purwanto P. Talitha Hafira Talitha Zhafira Thalita Zhafira Trias Widorini Undayani Cita Sari Widya Ayu Prawesthi