International

Shear creep failures of reinforced concrete slender beams without shear reinforcement

Halwan Alfisa Saifullah, Kenichiro Nakarai, Van Piseth, Nobuhiro Chijiwa, Koichi Maekawa
ACI Structural Journal, 2017

The development length of tensile reinforcement embedded in High Volume Fly Ash-Self Compacting Concrete

Rosyid K. Rohman, S.A. Kristiawan, Halwan Alfisa Saifullah, Achmad Basuki
Construction and Building Materials, 2022

Effect of water-cement ratio, aggregate type, and curing temperature on the fracture energy of concrete

Xiangen Wang, Halwan Alfisa Saifullah, Hiroki Nishikawa, Kenichiro Nakarai
Construction and Building Materials, 2020

Influence of Joint Strengthening on the Seismic Performance of Non-Engineered Buildings

Edy Purwanto, Stefanus Adi Kristiawan, Senot Sangadji, Halwan Alfisa Saifullah
Buildings, 2024

Effect of Thickness and Lamina Species Combination on Bending and Shear Properties of Cross Laminated Timber (CLT) Panel

Kundari Rahmawati, Achmad Basuki, Halwan Alfisa Saifullah, Buan Anshari, Tafidah Khairiyyah Saharso
Journal of the Korean Wood Science and Technology, 2025

Shear Capacity Prediction of Acacia Mangium Cross-Laminated Timber Under Out-of-Plane Bending

Kundari Rahmawati, Achmad Basuki, Halwan Alfisa Saifullah, Buan Anshari
Journal of Tropical Forest Science (JTFS), 2024

Experimental and numerical investigation of the splice length requirement in high volume fly ash-self compacting concrete (HVFA-SCC) beam

Rosyid Kholilur Rohman, Stefanus Adi Kristiawan, Achmad Basuki, Halwan Alfisa Saifullah
International Journal of Applied Science and Engineering, 2024

Influence of patching on the shear failure of reinforced concrete beam without stirrup

Stefanus Adi Kristiawan, Halwan Alfisa Saifullah, Agus Supriyadi
Infrastructures, 2021

Influence of Patching Length on the Flexural Behaviour of Pathced Reinforced Concrete Beam

Halwan Alfisa Saifullah, Agus Supriyadi, Annisa Rizki, Stefanus Adi Kristiawan
Journal of Engineering Science & Technology Review, 2023

Tension-Stiffening of Reinforced HVFA-SCC Beams

Muhammad Fajrul Falah, Stefanus Adi Kristiawan, Halwan Alfisa Saifullah
Jordan Journal of Civil Engineering, 2023

Evaluating Retrofitting Strategies of Low-to-Mid-Rise Reinforced Concrete Structure Based on Its Seismic Fragility

Midia Rahma, Senot Sangadji, Zikra Fauzan Virawan, Halwan Alfisa Saifullah, Rida Handiana Devi
International Journal on Advanced Science, Engineering and Information Technology, 2023

Shear recovery of patched reinforced concrete beams with web reinforcements

Stefanus Adi Kristiawan, Agus Supriyadi, Halwan Alfisa Saifullah
Archives of Civil Engineering, 2022

Evaluating the Effectiveness of Bond Strength Relative to Plain Reinforcement Bar Diameter in HVFA-SCC Beam Lap Splices

Ashar Natsir Samito, Stefanus Adi Kristiawan, Halwan Alfisa Saifullah
Science and Technology Asia, 2024

Numerical Investigation of Reinforced Concrete Frame With Weak Joints: A Preliminary Investigation

Ridan Adi Kusworo, Stefanus Adi Kristiawan, Halwan Alfisa Saifullah
Journal of Sustainable Engineering: Proceedings Series, 2024

HVFA-SCC Beam Under Short-Term Sustained Loading

Halwan Alfisa Saifullah, Hendrawan Danu Prihanto, Hafid Musthafa Adhiatma, Anak Anung Anurwikan, Akbar Aristyo Pambudi, Fr. Xavier Veoleta Vania Putri, Vincentius Axel Herwasto Adi Supomo, and Akbar Sutrimo
Lecture Notes in Civil Engineering, 2025

Numerical study on the flexural performance of HVFA-SCC beam

Muhammad Falih Ardi, Halwan Alfisa Saifullah, Stefanus Adi Kristiawan, Faza Bagus Fauzan, Averush Fadliilah Arden, Exsan Rusdyantoro Saputra
AIP Conference Proceedings, 2025

Shear Performance of HVFA-SCC Reinforced Concrete Beam (Case Study: Shear Span to Effective Depth Ratio of 2.5)

Dzaki Fauzan Rusdin, Alfian Muhammad Rosyid Ridho, Halwan Alfisa Saifullah, Stefanus Adi Kristiawan
AIP Conference Proceedings, 2025

Finite Element Modelling on the Influence of Adding Anchor Reinforcement in Beam-Column Joint of Non-engineered Building

Edy Purwanto, Stefanus Adi Kristiawan, Halwan Alfisa Saifullah, Senot Sangadji, Afrizal Aqila Fathin, Hamdi Ali Haditama, and Ahmad Zaky
Lecture Notes in Civil Engineering, 2025


The Impact Strength of High Strength Self-Compacting Concrete with Metakaolin and Silica Fume

Endah Safitri, Wibowo, Halwan Alfisa Saifullah, and Nurfalah Rahendrawan 
Lecture Notes in Civil Engineering, 2025

Shear Properties of Hybrid Species Cross Laminated Timber Made of Acacia Mangium and Melia Azedarach L

Kundari Rahmawati, Achmad Basuki, Halwan Alfisa Saifullah, Buan Anshari, and Muchamat Depa Andika
Lecture Notes in Civil Engineering, 2025

Behavior of Fastener Due to Tensile Loads on Cold Rolled Steel with LISA V.8 FEA

Aco Wahyudi Efendi, Senot Sangadji, Halwan Afisa Saifullah, and Stefanus Adi Kristiawan
Lecture Notes in Civil Engineering, 2025


Eco-Friendly Concrete: The Use of Sawdust and Glass Powder

Bambang Santosa, Rangga Heru Darma Putra, Veto Galan Lingga, Yuan Pratama Sadewo, Galuh Chrismaningwang, and Halwan Alfisa Saifullah
Lecture Notes in Civil Engineering, 2025

Seismic Risk Analysis of Prof. Ir. KRMT Wreksodiningrat Bridge Structure Using Fragility Curve Development Based on Pushover Method

Vito De Caprio Matius Hutabalian, Senot Sangadji & Halwan Alfisa Saifullah
Lecture Notes in Civil Engineering, 2025

Numerical study on the flexural performance of HVFA-SCC beam with compression reinforcement

G. Christ Martin Rinaldi, Halwan Alfisa Saifullah, Stefanus Adi Kristiawan, Ak Seha Purnomo, Angga Bayu Saputra, Anggit Aji Bramantyo, Bimo Waskitho, Farhan Hilmy Abadi, Fidelis Aldo Widhi Pangestu, Monica Putri Wulanningsih
IOP Conference Series: Earth and Environmental Science, 2025

The Effect of Structural Strengthening On The Dynamic Behavior of Irregular Buildings

Dwi Prasetiyo, Senot Sangaji, Halwan Alfisa Saifullah
IOP Conference Series: Earth and Environmental Science, 2024

Fragility and seismic risk of public building structures due to earthquake loads (Case study: Manahan Sports Building)

Annisa Nilam Sari, Senot Sangadji, Halwan Alfisa Saifullah
IOP Conference Series: Earth and Environmental Science, 2024

Flexural behaviour of high-strength self-compacting concrete (HSSCC) RC beam with 12.5% metakaolin and variations of silica fume

Sofa Marwoto, Halwan Alfisa Saifullah, Endah Safitri, Wibowo Wibowo
AIP Conference Proceedings, 2024

Influence of concrete compressive strength on the seismic performance of non-engineered bulding: A numerical simulation

Edy Purwanto, Stefanus Adi Kristiawan, Senot Sangadji, Halwan Alfisa Saifullah
AIP Conference Proceedings, 2024

Development of fragility curve of transmission tower

Hafiza Fiqri Firdaus, Senot Sangadji, Halwan Alfisa Saifullah
AIP Conference Proceedings, 2024

Shear Behaviour of High-Strength Self-Compacting Concrete (HSSCC) RC Beam with 12.5% Metakaolin and Variations of  Silica Fume

Halwan Alfisa Saifullah, Endah Safitri, Wibowo Wibowo, Dimas L Zuniatama
E3S Web Conference, 2023

The fragility curve of low-to-mid rise steel frame buildings retrofitted with inverted V-Bracing

Pramesta Praba Sumedi, Senot Sangadji, Halwan Alfisa Saifullah
AIP Conference Proceedings, 2023

Strengthening of Non-Engineered Building Beam-Column Joint to Increase Seismic Performance with Variation of Steel Plate Width

Edy Purwanto, Amarta Adri, Stefanus Adi Kristiawan, Senot Sangadji, Halwan Alfisa Saifullah
Lecture Notes in Civil Engineering, 2023

Experimental Investigation on the Shear Behavior of Patched RC Beams Without Web Reinforcements: Efficacy of Patching Position with Respect to the Shear Span

Adji Putra Abrian, Stefanus Adi Kristiawan, Halwan Alfisa Saifullah, Muhammad Rafi, Muhammad Hafidz, Andreas Simanjuntak, Abel Bismo
Lecture Notes in Civil Engineering, 2023

The Effect of 12.5% Metakaolin and Variations of Silica Fume on Split Tensile Strength and Modulus of Rupture of High Strength Self-Compacting Concrete (HSSCC)

Endah Safitri, Wibowo, Halwan Alfisa Saifullah, Farhan Gilang Septian
Lecture Notes in Civil Engineering, 2023

The Strength and Modulus of Elasticity of High Strength Self-compacting Concrete (HSSCC) with 12.5% Metakaolin and Variations of Silica Fume

Endah Safitri, Wibowo, Halwan Alfisa Saifullah, Fernanda Perdana
Lecture Notes in Civil Engineering, 2023

Calculating the displacement of the cross-sectional neutral axis of LVL sengon

Achmad Basuki, Halwan Alfisa Saifullah, Gabriella Imelda Putri, Endang Rismunarsi, Agus Supriyadi
AIP Conference Proceedings, 2023

Bond strength between reinforcement and High Volume Fly Ash-Self Compacting Concrete (HVFA-SCC)

Rosyid K. Rohman, Stefanus Adi Kristiawan, Achmad Basuki, Halwan Alfisa Saifullah
IOP Conference Series: Earth and Environmental Science, 2023

Seismic retrofitting of existing steel structures with X-bracing

Sri Wanto, Senot Sangadji, Halwan Alfisa Saifullah
AIP Publishing, 2023

Reinforcement to concrete bond strength: a comparison between normal concrete and various types of concrete 

Rosyid K. Rohman, Stefanus Adi Kristiawan, Halwan Alfisa Saifullah, Achmad Basuki
Journal of Physics: Conference Series, 2022

The development Length of Tensile Reinforcement Embedded in High Volume Fly Ash- Self Compacting Concrete (HVFA-SCC)

Rosyid K. Rohman, Stefanus Adi Kristiawan, Halwan Alfisa Saifullah, Achmad Basuki
SSRN Electronic Journal, 2022

Fragility curves for low-to-mid-rise concrete frame building retrofitted by shear wall-frame system

Zikra Fauzan Virawan, Senot Sangadji, Halwan Alfisa Saifullah
IOP Conference Series: Earth and Environmental Science, 2021

Strengthening of Non-Engineered Building with Steel Plate to Increase Seismic Performance

Eddy Purwanto, Stefanus Adi Kristiawan, Senot Sangadji, Halwan Alfisa Saifullah
IOP Conference Series: Earth and Environmental Science, 2021

Experimental study: Shear behaviour of reinforced concrete beams using steel plate strips as shear reinforcement

RJ Eklou, Muhammad Yani Bhayusukma, Halwan Alfisa Saifullah, Senot Sangadji, Stefanus Adi Kristiawan
IOP Conference Series: Materials Science and Engineering, 2021

Fragility curve of low-to-mid rise concrete frame retrofitted with FRP

Rida Handiana Devi, Senot Sangadji, Halwan Alfisa Saifullah
E3S Web of Conferences, 2020

Experimental investigation of loading rate effects on the shear capacity of reinforced concrete deep beams

La Vanny, Kenichiro Nakarai, Halwan Alfisa Saifullah, A. Mizobe
Lecture Notes in Civil Engineering, 2020

Influence of Longitudinal Reinforcement Ratio on Shear Strength of RC Slender Beam Under Different Loading Rates

Halwan Alfisa Saifullah, Kenichiro Nakarai, Nobuhiro Chijiwa, Koichi Maekawa, Stefanus Adi Kristiawan
Applied Mechanics and Materials, 2020

Analytical study on creep shear failures of RC slender beams without web reinforcement

Halwan Alfisa Saifullah, Kenichiro Nakarai, Nobuhiro Chijiwa, Koichi Maekawa
Matec Web of Conferences, 2018

Effect of loading conditions on shear creep failures of RC beam

Halwan Alfisa Saifullah, Van Piseth, Kenichiro Nakarai, Nobuhiro Chijiwa, Koichi Maekawa
fib PhD Symposium, Tokyo, Japan, 2016

Doctoral Disertation

Halwan Alfisa Saifullah
Civil Engineering Department, Hiroshima University, Japan, 2018