Shear Performance of Reinforced 3DPM-NM Specimens with Different Interface Locking Designs (2026-02)¶
, Chu Zhipeng, Luo Yijing, , ,
Journal Article - Buildings, Vol. 16, Iss. 3, No. 626
Abstract
As 3D printing emerges as a transformative technology in construction, the structural performance of 3D-printed mortar (3DPM) has become a key research focus. This study conducted shear tests on reinforced specimens combining 3D-printed mortar (3DPM) and normal mortar (NM). Four different shapes of interfacial locking design (I-shaped, K-shaped, C-shaped, S-shaped) were examined, comparing reinforced (CR) and non-reinforced (NR) specimens. The investigation analyzed failure modes, crack propagation patterns, and shear transfer mechanisms at CR series specimens under direct shear loading. CR-S specimens exhibited a shear peak load value 14.0% higher than CR-K specimens, 33.2% higher than CR-C specimens, and 42.9% higher than CR-I specimens. CR-I specimens exhibited pure adhesive failure. CR-K, CR-C, and CR-S specimens showed composite failure patterns combining adhesive and shear failure mechanisms. Strain analysis revealed the maximum horizontal strain εxx across all specimen shapes. CR-C and CR-S specimens recorded strain values exceeding CR-I and CR-K specimens by over 50%. Reinforcement produced pronounced increases in ultimate bearing capacity for I-shaped and C-shaped specimens, achieving gains of 51.9% and 60.4%, respectively. Reinforcement substantially enhanced energy dissipation capacity. Compared with NR series specimens, the performance improvements ranked as follows: CR-C (+164.67%) > CR-S (+70.70%) > CR-I (+52.05%) > CR-K (+9.42%).
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21 References
- Ahmed Ghafur (2023-01)
A Review of 3D Concrete Printing:
Materials and Process Characterization, Economic Considerations and Environmental Sustainability - Anton Ana-Maria, Reiter Lex, Wangler Timothy, Frangez Valens et al. (2020-12)
A 3D Concrete Printing Prefabrication Platform for Bespoke Columns - Geng Zifan, She Wei, Zuo Wenqiang, Lyu Kai et al. (2020-09)
Layer-Interface Properties in 3D Printed Concrete:
Dual Hierarchical Structure and Micromechanical Characterization - Khan Mohammad, Sanchez Florence, Zhou Hongyu (2020-04)
3D Printing of Concrete:
Beyond Horizons - Lim Sungwoo, Buswell Richard, Le Thanh, Austin Simon et al. (2011-07)
Developments in Construction-Scale Additive Manufacturing Processes - Liu Chao, Zhang Yukun, Liu Huawei, Wu Yiwen et al. (2024-10)
Inter-Layer Reinforced 3D Printed Concrete with Recycled Coarse Aggregate:
Shear Properties and Enhancement Methods - Ma Guowei, Li Zhijian, Wang Li (2017-12)
Printable Properties of Cementitious Material Containing Copper-Tailings for Extrusion-Based 3D Printing - Ma Guowei, Li Zhijian, Wang Li, Wang Fang et al. (2019-01)
Mechanical Anisotropy of Aligned Fiber-Reinforced Composite for Extrusion-Based 3D Printing - Moelich Gerrit, Kruger Jacques, Combrinck Riaan (2021-09)
Modelling the Inter-Layer Bond Strength of 3D Printed Concrete with Surface Moisture - Mohamed Osama, Mishra Anamika, Isam Fida (2025-05)
An Overview of 3D Printed Concrete for Building Structures:
Material Properties, Sustainability, Future Opportunities, and Challenges - Rahul Attupurathu, Santhanam Manu, Meena Hitesh, Ghani Zimam (2019-08)
Mechanical Characterization of 3D Printable Concrete - Sanjayan Jay, Nematollahi Behzad, Xia Ming, Marchment Taylor (2018-04)
Effect of Surface Moisture on Inter-Layer Strength of 3D Printed Concrete - Schutter Geert, Lesage Karel, Mechtcherine Viktor, Nerella Venkatesh et al. (2018-08)
Vision of 3D Printing with Concrete:
Technical, Economic and Environmental Potentials - Shazad Qamar, Li Fangyuan (2025-01)
Interfacial Bond-Effects on Shear-Strength and Damage in 3D Printed Concrete Structures:
A Combined Experimental and Numerical Study - Singh Amardeep, Liu Qiong, Xiao Jianzhuang, Lyu Qifeng (2022-02)
Mechanical and Macrostructural Properties of 3D Printed Concrete Dosed with Steel-Fibers under Different Loading-Direction - Singh Amardeep, Wang Yufei, Zhou Yiyi, Sun Junbo et al. (2023-10)
Utilization of Antimony-Tailings in Fiber-Reinforced 3D Printed Concrete:
A Sustainable Approach for Construction Materials - Sun Xiaoyan, Ye Boxing, Lin Kangjian, Wang Hailong (2021-12)
Shear-Performance of 3D Printed Concrete Reinforced with Flexible or Rigid Materials Based on Direct-Shear-Test - Sun Chang, Zhao Haiye, Liu Qiong, Pan Feng (2024-04)
Shear Behavior of 3DPM-NM Specimens with Different Interfacial Locking Designs - Takva Çağatay, Top Semahat, Gökgöz Berru, Gebel Şeyma et al. (2024-11)
Applicability of 3D Concrete Printing Technology in Building Construction with Different Architectural Design Decisions in Housing - Wang Li, Liu Yi, Yang Yu, Li Yanfeng et al. (2021-04)
Bonding Performance of 3D Printing Concrete with Self-Locking Interfaces Exposed to Compression-Shear and Compression-Splitting Stresses - Wang Hailong, Shao Jianwen, Zhang Jing, Zou Daoqin et al. (2021-11)
Bond Shear Performances and Constitutive Model of Interfaces Between Vertical and Horizontal Filaments of 3D Printed Concrete
0 Citations
BibTeX
@article{sun_chu_luo_li.2026.SPoR3NSwDILD,
author = "Chang Sun and Zhipeng Chu and Yijing Luo and Long Li and Qiong Liu and Amardeep Singh",
title = "Shear Performance of Reinforced 3DPM-NM Specimens with Different Interface Locking Designs",
doi = "10.3390/buildings16030626",
year = "2026",
journal = "Buildings",
volume = "16",
number = "3",
pages = "626",
}
Formatted Citation
C. Sun, Z. Chu, Y. Luo, L. Li, Q. Liu and A. Singh, “Shear Performance of Reinforced 3DPM-NM Specimens with Different Interface Locking Designs”, Buildings, vol. 16, no. 3, p. 626, 2026, doi: 10.3390/buildings16030626.
Sun, Chang, Zhipeng Chu, Yijing Luo, Long Li, Qiong Liu, and Amardeep Singh. “Shear Performance of Reinforced 3DPM-NM Specimens with Different Interface Locking Designs”. Buildings 16, no. 3 (2026): 626. https://doi.org/10.3390/buildings16030626.