[HTML][HTML] Effect of shrinkage reducing admixture on new-to-old concrete interface

R Qin, H Hao, T Rousakis, D Lau - Composites Part B: Engineering, 2019 - Elsevier
New-to-old concrete interfaces can be widely seen in the process of repairing or
strengthening concrete structures, such as concrete jacketing and concrete overlay or repair …

[HTML][HTML] Increasing the interlayer strength of 3D printed concrete with tooth-like interface: An experimental and theoretical investigation

L He, H Li, WT Chow, B Zeng, Y Qian - Materials & Design, 2022 - Elsevier
In 3D concrete printing, layer interface and interlayer notch are generated by the layer-by-
layer process. Therefore, the 3D printed concrete is anisotropic with the interlayer strength …

On the calibration of a numerical model for concrete-to-concrete interface

S Dudziak, W Jackiewicz-Rek, Z Kozyra - Materials, 2021 - mdpi.com
The study was devoted to the numerical modelling of concrete-to-concrete interfaces. Such
an interface can be found in many modern composite structures, so proper characterisation …

Shear bond between existing concrete and high‐strength fiber reinforced overlay: Influence of substrate strength and interface roughness

F Iavarone, FJ Vecchio, G Plizzari… - Structural Concrete, 2024 - Wiley Online Library
Bonded concrete overlays are widely used for strengthening and repair of concrete
members. The aim of a concrete repair is to restore the load‐carrying capacity and stiffness …

Shrinkage induced edge curling and debonding in slab elements reinforced with bonded overlays: Influence of fibers and SRA

M Chilwesa, L Facconi, F Minelli, A Reggia… - Cement and Concrete …, 2019 - Elsevier
An increase of infrastructures needing repair and rehabilitation has led to a growing use of
bonded overlays to members such as slabs, columns, bridge decks, bridge piers, etc. These …

[PDF][PDF] Factors Affecting the Bond Between Substrate-Overlay Material. A Review.

K Pulkit, B Saini, HD Chalak - Journal of Engineering Science & …, 2022 - jestr.org
Repair is a common method for restoring deteriorated structures. A strong bond between the
substrate-overlay is critical to concrete restorations. The interface layer between substrate …

Experimental and finite element analysis on mechanical performance of prefabricated assembly inverted arch to lining joints of large section highway tunnel under …

Z Chen, Y Liang, P Ye, S Zhang - Structures, 2024 - Elsevier
To investigate the mechanical properties of the prefabricated inverted arch to cast-in-place
lining joints, 21" Z"-shaped shear specimens for direct shear testing were designed and …

Investigations on Interface Shear-stress Transfer Behavior of Concrete Composite Slabs with Lattice Girders

C Cao, Z Hu, Y Chai, Q Li, W Li, H Pan, Y Li - KSCE Journal of Civil …, 2024 - Springer
Concrete-to-concrete interface shear-stress transfer behavior is crucial for concrete
composite slabs with lattice girders. In practice, diagonal reinforcements in the lattice girders …

[PDF][PDF] Experimental evaluation of bond strength performance between normal concrete substrate and different overlay materials

MM Al-Rubaye, RF Yousef, HH Muteb… - Journal of …, 2020 - jestec.taylors.edu.my
This research was implemented to evaluate the effect of different concrete mixes and
commercial repair binders as overlay materials on the interfacial bond strength …

Quantification of Concrete-Concrete Interface Strength–A Review

S Mustafa, E Schlangen, M Lukovic - Proceedings of the 14th fib …, 2022 - research.tudelft.nl
The construction industry is experiencing a significant increase in hybrid concrete structures
due to the need for repairing/strengthening of existing structures and the development of …