Investigation of concrete cracking phenomena by using cohesive fracture-based techniques: A comparison between an embedded crack model and a refined diffuse …

U De Maio, D Cendón, F Greco, L Leonetti… - Theoretical and Applied …, 2021 - Elsevier
Cracking simulation in concrete-like structures is the subject of numerous investigations of
computational kind, in which different modeling techniques based on either smeared or …

Using acoustic emission parameters to study damage and fracture characteristics of concrete with different pour intervals cold joints

HS Deng, HL Fu, YB Zhao, Y Shi, X Huang - Theoretical and Applied …, 2022 - Elsevier
Discontinuous pouring of concrete members leads to the formation of cold joints, thus
increasing the risk of structural cracking. In this study, a three-point bending test was …

Influence of cracks at the invert on the mechanical behavior of the tunnel structures

B Min, C Zhang, W Zhu, X Zhang, P Li - Thin-Walled Structures, 2021 - Elsevier
Studies show that lining cracks are one of the most common anomalies that occur in the
operational tunnels. Therefore, investigating the performance of the cracked linings is of …

Determination of fracture toughness of nano-scale cement composites using simulated nanoindentation technique

S Gautham, S Sasmal - Theoretical and Applied Fracture Mechanics, 2019 - Elsevier
With the advent of instrumented nanoindentation, mechanical properties of cement paste
composites such as elastic modulus, hardness, creep have been explored at micro-and …

Fracture performance and fracture characteristics of concrete members with cold joints: Numerical simulation

HS Deng, HL Fu, H Li, Y Shi, Z Huang - Theoretical and Applied Fracture …, 2023 - Elsevier
This paper investigates the effect of pouring interval on the fracture performance and fracture
characteristics of concrete beam with cold joints through three-point bending experiments …

Effect of loading rate on mixed mode I-II crack propagation in concrete

MH Ma, ZM Wu, JJ Zheng, YJ Wang, CY Rena… - Theoretical and Applied …, 2021 - Elsevier
The mixed mode I-II crack propagation process in concrete subjected to quasi-static
conditions has been extensively investigated. However, in engineering practice, many …

Mechanical properties of the tunnel structures with cracks around voids behind linings

C Zhang, B Min, H Wang, S Zhang - Thin-Walled Structures, 2022 - Elsevier
Previous studies have pointed to a high correlation between the voids behind linings and
cracks, but no research has focused on the mechanical properties of the linings after the …

Crack propagation mechanism of inverted arches in large cross-section tunnels

M Du, X Liu, Y Wang, H Huang, Z Zhu, Y Zhang… - Engineering Failure …, 2023 - Elsevier
Floor heave-induced failure is a primary type of failure in the inverted arches of tunnels. In
this study, the crack propagation behaviours in an inverted arch during floor heave were …

Theory of planned behavior and GEM framework–How can cognitive traits for entrepreneurship be used by incubators and accelerators?

G Morales-Alonso, JA Blanco-Serrano… - European Journal of …, 2022 - emerald.com
Theory of planned behavior and GEM framework – How can cognitive traits for entrepreneurship
be used by incubators and accelerators? | Emerald Insight Books and journals Case studies …

Investigation of crack dynamic parameters and crack arresting technique in concrete under impacts

L Lang, Z Zhu, X Zhang, H Qiu - Construction and Building Materials, 2019 - Elsevier
Concrete structures usually contain cracks or microcracks. Under dynamic loading, such as
impacts, blasts and earthquakes, these cracks may initiate and propagate, weakening …