Analytical and experimental studies on alkali-silica reaction mechanism: Aggregate cracking and chemical composition change of gel

HE Joo, Y Takahashi - Cement and Concrete Composites, 2023 - Elsevier
This study aims at developing an analytical model to predict alkali-silica reaction (ASR)
induced expansion in concrete considering the aggregate cracking and changes in the …

Mechanism for reduction in compressive properties of cementitious materials in relation to internal crack patterns due to ASR and DEF expansion

T Miura, K Sato, M Fujishima, H Nakamura… - Cement and Concrete …, 2022 - Elsevier
This study discusses the mechanism for the changes in the compressive properties of
internally cracked concrete due to expansion phenomena. The internal crack patterns due to …

Mesoscopic simulation of crack propagation and bond behavior in ASR damaged concrete with internal/external restraint by 3D RBSM

J Luo, Y Wang, S Asamoto, K Nagai - Cement and Concrete Composites, 2022 - Elsevier
One of the most serious serviceability concerns for reinforced concrete (RC) structures is
expansion and cracking resulting from the alkali-silica reaction (ASR), which has a negative …

Investigating equivalency of different element models in discrete mesoscale analysis of ASR-damaged concrete

J Luo, K Nagai - Construction and Building Materials, 2023 - Elsevier
The alkali-silica reaction (ASR) is one of the most serious durability issues affecting the
safety of concrete structures. Numerical simulation is useful for monitoring the internal …

Development of elastic and plastic strains in concrete damaged by alkali–silica reaction during various compression loading tests

S Farooq, G Aoki, M Fujishima, T Miura… - … and Building Materials, 2023 - Elsevier
In this study, the fracture process of concrete in the presence of alkali silica reaction (ASR)
cracks under compressive stress was evaluated. Concrete specimens damaged by ASR …

Anisotropic expansion behavior and crack orientation of reinforced concrete due to the alkali–silica reaction

S Farooq, G Aoki, T Miura, Y Kawabata… - Cement and Concrete …, 2024 - Elsevier
In this study, the expansion behavior, surface and internal crack developments due to the
alkali–silica reaction in two types of reinforced concrete prisms with and without stirrups are …

Simulation of concrete structures deformation affected by alkali–silica reaction considering environmental conditions and multiaxial stress state

X Ji, Y Takahashi, T Maeshima, I Iwaki… - Structure and …, 2022 - Taylor & Francis
In this study, the expansion and deformation of alkali–silica reaction (ASR)-affected concrete
structures under natural environment and multiaxial stress state are predicted. The …

Mesoscale modeling study on mechanical deterioration of alkali–aggregate reaction-affected concrete

W Wang, J Wang, J Wang, J He, J Pan - Materials, 2022 - mdpi.com
The alkali–aggregate reaction (AAR) is a harmful chemical reaction that reduces the
mechanical properties and weakens the durability of concrete. Different types of activated …

Crack-filling effect of gel on time-dependent mechanical behavior of concrete damaged by alkali–silica reaction

HE Joo, Y Takahashi - Materials and Structures, 2024 - Springer
This study aims to investigate the crack-filling effect of gel generated by the alkali–silica
reaction (ASR) on the mechanical behavior of concrete and propose an analytical model to …

Investigating the flexural behavior of ASR‐damaged RC beam through internal stress and cracking development using 3D Rigid Body Spring Model

J Luo, K Nagai - Structural Concrete, 2024 - Wiley Online Library
The alkali‐silica reaction (ASR) is one of the durability issues that affect the safety of
concrete structures. Numerical simulation is useful for monitoring the internal condition of a …