Article Per Year (5 Year)
p-Index From 2020 - 2025
0.562
P-Index
This Author published in this journals
All Journal REKA RACANA Jurnal Teknik Sipil Journal of Advanced Civil and Environmental Engineering Journal of the Civil Engineering Forum
Oesman, Mardiana
Unknown Affiliation
Civil Engineering, Building, Construction & Architecture Education Environmental Science

Published : 4 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 4 Documents
Search

 1 
Pengaruh Serat Polypropylene pada Beton Oesman, Mardiana; Herawati, Risma; Jauza, Zalfa Nuur
RekaRacana: Jurnal Teknik Sipil Vol 10, No 2: Juli 2024
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/rekaracana.v10i2.103

Abstract

ABSTRAKPenelitian ini melakukan pengujian pada campuran PFRSCC dan beton kontrol untuk mengetahui sifat mekanis beton tersebut. Komposisi campuran PFRSCC dan beton kontrol merujuk kepada penelitian Hafizhul (2023), melakukan penelitian terhadap UHPC (ultra high performance concrete) dengan menggunakan material lokal, yaitu pasir alam dan batu pecah lolos saringan 4,75mm. Komposisi PFRSCC dan beton kontrol menggunakan semen jenis Portland Slag Cement (PSC); 1% superplaticizer dari total binder; 30% Silica Fume dari total binder; serat Polypropylene sebesar 1% dari volume beton total; rasio pasir alam terhadap batu pecah 45%: 55%; rasio w/b sebesar 0,23. Namun demikian, campuran beton kontrol tidak mengandung serat PP. Hasil pengujian beton segar dengan flow table dicapai 250 mm dengan w/b 0,23. Hasil pengujian sifat mekanis PFRSCC pada umur 28 hari menunjukan kuat tekan sebesar 42,73 MPa; kuat tarik sebesar 4,33 MPa; kuat lentur sebesar 8,98 MPa; serta modulus elastisitas sebesar 45,51 GPa. Sedangkan, hasil pengujian sifat mekanik beton kontrol pada umur 28 hari menunjukan kuat tekan sebesar 47,66 MPa; kuat tarik sebesar 1,95 MPa; kuat lentur sebesar 6,29 MPa; serta modulus elastisitas sebesar 38,79 GPa. Apabila dibandingkan sifat mekanis PFRSCC terhadap beton kontrol, maka serat PP memberikan pengaruh dalam meningkatkan kuat tarik sebesar 2,38 MPa (122,05%), kuat lentur sebesar 2,67 MPa (42,77%), dan modulus elastisitas beton sebesar 6,67 GPa (17,32%). Namun, 1% serat PP menurunkan kuat tekan, lebih rendah 4,93 (10,34%) dibandingkan terhadap beton kontrol.Kata kunci: SCC, PFRSCC, Polypropylene, sifat mekanis ABSTRACTThis study conducted tests on a mixture of PFRSCC and control concrete to determine the mechanical properties of the concrete. The composition of the mixed PFRSCC and control concrete refers to Hafizhul's research (2023), research on UHPC (ultra high-performance concrete) using local materials, namely natural sand and crushed stone passing a 4.75mm filter. The composition of PFRSCC and control concrete uses Portland Slag Cement (PSC); 1% superplasticizer of total binder; 30% Silica Fume from total binder; Polypropylene fiber of 1% of the total concrete volume; ratio of natural sand to crushed stone 45%: 55%; w/b ratio of 0.23. However, the control concrete mix did not contain PP fiber. The results of testing fresh concrete with a flow table reached 250 mm with w/b ratio of 0.23. The results of testing the mechanical properties of PFRSCC at the age of 28 days showed a compressive strength of 42.73 MPa; tensile strength of 4.33 MPa; flexural strength of 8.98 MPa; and a modulus of elasticity of 45.51 GPa. Meanwhile, the results of testing the mechanical properties of the control concrete at the age of 28 days showed a compressive strength of 47.66 MPa; tensile strength of 1.95 MPa; flexural strength of 6.29 MPa; and a modulus of elasticity of 38.79 GPa. When compared to the mechanical properties of PFRSCC on control concrete, PP fiber has an influence in increasing the tensile strength of 2.38 MPa (122.05%), flexural strength of 2.67 MPa (42.77%), and the elastic modulus of concrete is 6.67 GPa (17.32%). However, 1% PP fiber decreased the compressive strength, 4.93 (10.34%) lower than the control concrete.Keywords: SCC, PFRSCC, Polypropylene, sifat mekanis  
Effect of Polypropylene Fibre on Self- Compacting High-performance Concrete Oesman, Mardiana; Herawati, Risma; Jauza, Zalfa Nuur
JACEE (Journal of Advanced Civil and Environmental Engineering) Vol 7, No 1 (2024): April
Publisher : Universitas Islam Sultan Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/jacee.7.1.65-79

Abstract

This study conducted tests on the design mixture of Polypropylene Fibre Reinforced Self-Compacting High-performance Concrete (PFRSCHPC) and Self-Compacting high-performance concrete (SCHPC) to determine the mechanical properties of the concrete, and the beams behaviour under bending loads. The composition of the mixtures of PFRSCHPC and SCHPC refer to Oesman, et al. (2022), which conducted research on UHPC (ultra-high-performance concrete) using natural sand and crushed stone through a 4.75mm sieve. PFRSCHPC and SCHPC compositions using Portland Slag Cement (PSC); 1% superplasticizer and 30% silica fume of the total binder; 1% Polypropylene fibre (PP); the ratio of  sand to crushed stone 45%: 55%; and the w/b was 0.23. However, SCHPC as the control concrete mixture does not contain PP. The testing results of the PFRSCHPC showed compressive strength, tensile strength, flexural strength, and modulus of elasticity were 42.73 MPa; 4.33 MPa; 8.98 MPa; 45.51 GPa, respectively. When compared to SCHPC, PP has an influence in increasing tensile strength by 2.38 MPa (122.05%), flexural strength by 2.67 MPa (42.77%), and concrete elasticity modulus by 6.67 GPa (17.32%). However, 1% PP decreased compressive strength of PFRSCHPC, lower by 4.93 MPa (10.34%) compared to SCHPC. PFRSCHPC beam reached a peak load of 27.5 kN; initial stiffness of 5.32 kN/mm; ductility of 5.6; and toughness of 1606.08 kNm. PFRSCHPC beam with PP fibre content of 1% are able to increase 17.02% of peak load; 14.75% of ductility, and 113.91% of toughness.
Analisis Kinerja Komposit Hibrid Aerated Autoclaved Concrete Panel – Lapisan Beton Bertulang Terhadap Lentur Nuryana Ferryana, Irwan; Sumargo, Sumargo; Oesman, Mardiana
Jurnal Teknik Sipil Vol 31 No 2 (2024): Jurnal Teknik Sipil - Edisi Agustus
Publisher : Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/jts.2024.31.2.13

Abstract

Abstract Aerated Autoclaved Concrete (AAC) precast panels are designed for 400kg/m2 loads. Installation of AAC panels is usually added an additional layer on the top surface as protection. The reinforced concrete layer on top of the AAC panels is often defined as super dead load. However theoretically, the additional layer can increase the strength and stiffness of the panels, provided that both layers work in a monolithic composite. Thus, the layer also functions as a structural component. However, it needs research to convince it. The study is used a fullscale experimental method using 1970x600x125mm AAC panels. The variables are the thickness of the concrete layer and the method of installing shear connectors. Variations of the thickness layers are 30,40, and 50mm with a compressive strength 24.5MPa. The concrete layer is reinforced by D6mm wiremesh 150mm spacing. Shear connectors are made of D6mm deformed rebar, 200mm spacing with two variations: welded and unwelded. Panels are loaded with flexural loads monotonically, using the third-point loading method. The results of the flexural test show that due to the reinforced concrete layer on the ACC panel, the load at the first crack and ultimate increased around 28-89%, and 33-109% respectively, and stiffness 174.70% until 363.31%.
Sustainable Concrete Using Ground Granulated Blast Furnace Slag and Polypropylene Fibers: Flexural Behavior of RC Beams Oesman, Mardiana; Muhamad Irfan Nurdin; Muhammad Miftahul Riza; Wahib Hasan Prasetyo
Journal of the Civil Engineering Forum Vol. 12 No. 1 (January 2026)
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.23135

Abstract

As sustainability becomes a central focus in the construction industry, the combined use of supplementary cementitious materials and discrete fiber reinforcement offers an innovative pathway to enhance both environmental and structural performance. This study investigates the mechano-microstructural interaction between a dense Ground Granulated Blast Furnace Slag (GGBFS)–based matrix and polypropylene (PP) fibers in reinforced concrete (RC) beams, emphasizing the performance trade-offs among key mechanical properties. The experimental program comprised two phases. First, GGBFS replacement levels of 30% and 45% (by binder mass) were evaluated for compressive strength to identify the optimal matrix. Second, PP fibers were incorporated at 0, 3, 5, and 7 kg/m³ into the selected matrix. Tests under standardized curing conditions measured compressive strength, flexural load capacity, ductility, toughness, and stiffness. Microstructural analysis assessed fiber–matrix bonding quality and crack-bridging mechanisms. The 30% GGBFS mixture achieved the highest compressive strength in the optimization phase. Fiber inclusion produced distinct performance trade-offs: 3 kg/m³ delivered the best combination of strength and toughness, 5 kg/m³ maximized ductility, and 7 kg/m³ yielded the highest initial stiffness but slightly reduced post-peak energy absorption. These findings demonstrate that no single fiber dosage is universally optimal; instead, the choice should be based on prioritizing specific performance criteria. Microstructural observations revealed dense interfacial transition zones and effective fiber anchorage in GGBFS-rich matrices, enhancing crack control and delaying propagation. This study’s primary contribution lies in establishing a clear link between microstructural features and quantified mechanical trade-offs, providing a framework for performance-based mix design. The identified trade-offs also offer direct guidance for performance-based design, enabling engineers to tailor mix compositions to targeted applications such as seismic resilience, deflection-sensitive spans, or impact-resistant members.
Co-Authors Herawati, Risma Jauza, Zalfa Nuur Muhamad Irfan Nurdin Muhammad Miftahul Riza Nuryana Ferryana, Irwan Suharwanto Suharwanto Sumargo Sumargo Wahib Hasan Prasetyo