Turnitin
降AI改写
早检测系统
早降重系统
Turnitin-UK版
万方检测-期刊版
维普编辑部版
Grammarly检测
Paperpass检测
checkpass检测
PaperYY检测
Recent advances of ultrasonic testing of cement based materials at early ages
G Trtnik, M Gams - Ultrasonics, 2014 - Elsevier
To summarize some of the most important findings in the field of ultrasonic (US) testing of
early age hydration and formation of structure of different cement based materials (CBMs), a …
early age hydration and formation of structure of different cement based materials (CBMs), a …
[کتاب][B] Handbook of structural engineering
Continuing the best-selling tradition of the Handbook of Structural Engineering, this second
edition is a comprehensive reference to the broad spectrum of structural engineering …
edition is a comprehensive reference to the broad spectrum of structural engineering …
Ultrasonic in-situ monitoring of setting process of high-performance concrete
The present standard test for the setting times of concrete is the penetration resistance test
specified by ASTM C403. This test, while good for standard concrete mixtures, may not be …
specified by ASTM C403. This test, while good for standard concrete mixtures, may not be …
Study on the development of the microstructure in cement-based materials by means of numerical simulation and ultrasonic pulse velocity measurement
The formation of microstructure in cementitious materials was simulated with a numerical
model. Simulation results have been verified by measuring the evolution of the ultrasonic …
model. Simulation results have been verified by measuring the evolution of the ultrasonic …
Possibilities of using the ultrasonic wave transmission method to estimate initial setting time of cement paste
In this paper, the applicability of the ultrasonic wave transmission method to estimate the
initial setting time of an arbitrary cement paste is discussed. Ultrasonic pulse velocity …
initial setting time of an arbitrary cement paste is discussed. Ultrasonic pulse velocity …
Effect of concrete mixing parameters on propagation of ultrasonic waves
An experimental study was conducted to evaluate the effect of concrete aggregate
gradation, water–cement ratio, and curing time on measured ultrasonic wave velocity (UPV) …
gradation, water–cement ratio, and curing time on measured ultrasonic wave velocity (UPV) …
Three-dimensional microstructure analysis of numerically simulated cementitious materials
In order to predict the transport properties of porous media, such as permeability and
electrical conductivity of cementitious materials, a better understanding of the microstructural …
electrical conductivity of cementitious materials, a better understanding of the microstructural …
Ultrasound monitoring of the influence of different accelerating admixtures and cement types for shotcrete on setting and hardening behaviour
The possible use of ultrasound measurements for monitoring setting and hardening of
mortar containing different accelerating admixtures for shotcrete was investigated. The …
mortar containing different accelerating admixtures for shotcrete was investigated. The …
Effects of air voids on ultrasonic wave propagation in early age cement pastes
The objective of this paper is to investigate effects of air voids on ultrasonic wave
propagation in fresh cement pastes, and relate ultrasonic wave parameters to cement setting …
propagation in fresh cement pastes, and relate ultrasonic wave parameters to cement setting …
Early age microstructure of Portland cement mortar investigated by ultrasonic shear waves and numerical simulation
This paper investigates the ability of a shear wave reflection (WR) method to monitor
microstructural changes of Portland cement mortar during hydration. The wave reflection …
microstructural changes of Portland cement mortar during hydration. The wave reflection …