[HTML][HTML] Comparing the stretching technique and the wavelet cross-spectrum technique for measuring stress-induced wave-velocity changes in concrete

H Cheng, C Weemstra, MAN Hendriks… - Automation in Construction, 2024 - Elsevier
Coda wave interferometry (CWI) holds promise as a technique for concrete stress
monitoring. This is because the coda, which consists of multiply scattered arrivals, is the …

Monitoring of stresses in concrete using ultrasonic coda wave comparison technique

A Hafiz, T Schumacher - Journal of Nondestructive Evaluation, 2018 - Springer
Condition or health monitoring of concrete structures has experienced increasing interest
over the last decade. While conventional sensors such as strain gauges are accurate and …

Dynamics of strength gain in sandy soil stabilised with mixed binders evaluated by elastic P-waves during compressive loading

P Lindh, P Lemenkova - Materials, 2022 - mdpi.com
This paper addresses the problem of stabilisation of poor subgrade soil for improving its
engineering properties and stiffness. The study aim is to evaluate the effects from single and …

Detecting stress changes and damage in full-size concrete T-beam and slab with ultrasonic coda waves

H Jiang, H Zhan, J Zhang, R Jiang… - Journal of Structural …, 2021 - ascelibrary.org
This article describes the use of coda wave measurements in a network of transducers for
detecting stress changes and damage in large concrete structures. The applicability of the …

Estimation of stresses in concrete by using coda wave interferometry to establish an acoustoelastic modulus database

H Zhan, H Jiang, C Zhuang, J Zhang, R Jiang - Sensors, 2020 - mdpi.com
This article presents an experimental study of estimating stresses in concrete by applications
of coda wave interferometry to establish an acoustoelastic modulus database. Under well …

Shear bond and compressive strength of clay stabilised with lime/cement jet grouting and deep mixing: A case of Norvik, Nynäshamn

P Lindh, P Lemenkova - Nonlinear Engineering, 2022 - degruyter.com
The strength of soil can significantly increase by stabilisation with binders. Adding binders in
correct proportions to improve soil parameters is of paramount importance for earthworks. In …

Effect of thermal change on acoustoelastic effect in concrete

X Yang, W Gao, H Chen, H Hao, Q Kong - Construction and Building …, 2024 - Elsevier
Acoustoelastic technology, which measures changes in ultrasonic wave velocity to
determine structural stress, shows significant potential for assessing stress in concrete …

Design of a three-dimensional earth pressure device and its application in a tailings dam construction simulation experiment

Z Chen, X Guo, L Shao, S Li, X Tian - Acta Geotechnica, 2021 - Springer
The basic principle of the three-dimensional stress state test is deduced based on the
relationship between the normal stress and the conventional stress state, and the …

Prediction of axial compressive stresses in ultra-high-performance concrete blocks using non-destructive ultrasonic techniques

W Wu, H Li, AY Elghazouli, Y Wu - Journal of Building Engineering, 2024 - Elsevier
The application of ultra-high-performance concrete (UHPC) in civil engineering structures is
growing rapidly. On the other hand, previous non-destructive testing (NDT) techniques …

Nondestructive In Situ Imaging of Preexisting Cracks in a Concrete Bridge Using Ultrasonic Coda Wave

H Zhan, H Jiang, Z Liang, R Jiang - Journal of Structural …, 2023 - ascelibrary.org
This paper presents an in-situ study of imaging cracks in the Berwick Bay Bridge
nondestructively by the application of an inverse algorithm to ultrasonic coda wave …