CONCRETE STRENGTH MONITORING USING APPLICATIONS OF IOT
This paper explores the use of Internet of Things (IoT) technology for monitoring concrete strength during the curing process. By employing a thermocouple temperature sensor, the study tracks the temperature changes in concrete specimens caused by the hydration process, which is crucial for understanding the development of concrete strength over time. However, the paper highlights […]
A PCA-Based Approach for Very Early-Age Hydration Monitoring of Self-Compacting Concrete Using Embedded PZT Sensors
This paper investigates very early‑age hydration monitoring of self‑compacting concrete (SCC) containing fly ash replacement ratios (0%, 15%, 30%, 45%, 60%) using embedded piezoelectric (PZT) sensors and electromechanical impedance (EMI) signatures. The authors apply principal component analysis (PCA) to the EMI conductance signatures to extract indices that reflect the liquid to solid transition during hydration […]
Real-time monitoring of early-age compressive strength of concrete using an IoT-enabled monitoring system: an investigative study
This research develops an IoT‑enabled system by embedding temperature sensors within concrete for real‑time tracking of internal temperature‑time history, then using established maturity models (based on equivalent age and Arrhenius equation) to predict early‑age compressive strength. The sensor network uses long‑range wide‑area network (LoRa) communications and a cloud platform for data storage and visualization. The […]
Early-age concrete strength monitoring using smart aggregate based on electromechanical impedance and machine learning
This paper presents a novel method for monitoring the strength development of early‑age concrete using embedded smart aggregates (SAs) that leverage electromechanical impedance (EMI) sensing combined with machine learning. The smart aggregates are embedded in the concrete mix during casting and continuously monitor conductance signatures, specifically the conductance resonant frequency (CRF) and conductance resonant peak […]
Concrete Curing Deficiencies: Hidden Risks That Compromise Durability
Curing is often underestimated, yet it’s one of the most critical factors influencing the strength, durability, and long-term performance of concrete. Improper curing can lead to surface cracking, shrinkage, low strength development, and reduced resistance to chemical attack. Common deficiencies include: Insufficient moisture retention Inadequate curing duration Uneven temperature distribution, especially in mass concrete or […]
The World’s Largest Precast Concrete Structures
Precast concrete has been a game changer in the construction industry due to its versatility, speed, and cost-effectiveness. It allows for the creation of complex structures in a controlled factory environment, ensuring high quality and precision. Over the years, many large-scale structures around the world have been built using precast concrete, ranging from bridges to […]
Impact of Curing on Precast Concrete Performance
Precast concrete is a widely used construction material, offering both flexibility and durability. However, its performance heavily depends on the curing process. Curing plays a critical role in ensuring that the concrete develops its desired strength, durability, and long-term performance. In this article, we explore how different curing methods influence the quality of precast concrete […]
How Concrete Curing Affects Durability and Strength
Concrete, one of the most widely used materials in construction, is known for its strength and durability. However, the final quality of concrete depends significantly on the curing process. Proper curing of concrete is crucial for achieving the desired strength, durability, and longevity of a structure. In this article, we’ll explore how concrete curing affects […]
How Concrete Compression Tests Ensure Structural Strength
Concrete is the most widely used construction material in the world due to its durability, versatility, and strength. However, to ensure that concrete will perform as expected under load, it must be thoroughly tested. One of the most critical tests for concrete is the compression test, which is used to determine its compressive strength. Compressive […]
The Most Challenging Concrete Curing Issues in Iconic Mega-Structures and Their Solutions
Concrete curing is a critical process in the construction of mega-structures, where improper curing can lead to structural failures or costly maintenance. Across the globe, engineers have faced and overcome unique challenges related to concrete curing in some of the largest and most iconic constructions. This article reviews concrete curing challenges in notable mega-structures and […]