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Sarah De Carufel

Sarah De Carufel

As a Technical and R&D Support Specialist for Giatec Scientific, Sarah De Carufel utilizes her civil-engineering background to assist in the development of innovative products. Her paper based on her thesis, Effect of High-Performance Steel Materials on the Blast Behaviour of Ultra-High Performance Concrete Columns, won the award for Best Paper at the 2016 First International Interactive Symposium on UHPC. Read Sarah De Carufel, M.A.Sc. | R&D Engineering Associate full biography to know more about her Education and Awards and Accomplishments, as well as her Areas of Expertise in Concrete, Fiber-reinforced concrete, Ultra-high performance concrete (UHPC), among other areas. Giatec Scientific Inc., is revolutionizing the construction industry by bringing smart concrete testing technologies and real-time data collection to the forefront of every jobsite. We are bringing long-overdue change to a conservative industry by addressing the current challenges in concrete testing, analysis, design, and production.

Field-Cured vs. Standard-Cured Cylinders

Sarah De Carufel June 2, 2021

How Curing Methods Affect High-Strength Concrete ASTM C31 is the standard that defines two different concrete curing conditions, standard curing and field curing. It is the standard that dictates the procedures for making and curing test cylinders and can become a problem when an engineer or purchaser argues that field-cured test cylinders must be the basis of acceptance for a project. ASTM C31 section 10.1 defines standard curing as a condition that “involves subjecting the specimens to standard temperature and humidity conditions.” According to ASTM C511, these test specimens are…

What Is the Half-Cell Potential Test?

Sarah De Carufel May 27, 2020

Corrosion is a natural process that occurs when a structure is exposed to elements like CO2 or chloride, which can penetrate the concrete all the way to the steel reinforcement. This can have serious durability and safety consequences, which is why it is important to monitor corrosion using an accurate and trusted method. The half-cell potential test is the only corrosion monitoring technique standardized in ASTM C876 – 15: Standard Test Method for Corrosion Potentials of Uncoated Reinforcing Steel in Concrete. It is used to determine the probability of corrosion…

Practical Installation Locations of Wireless Concrete Maturity Sensors

Sarah De Carufel April 27, 2020

The traditional way to determine whether a concrete element is strong enough for critical construction operation is to monitor concrete strength using field cured cylinders. Once the specimens have reached the desired strength, usually 75% of the mix design strength, the project can then move forward and it becomes safe to remove forms, post tension, open roads to traffic, etc. When field cured cylinders are used, samples are made at a given interval during the pour and the specimens are all cured in a specific location and tested at a…

Faster Tilt-Up With Concrete Maturity Monitoring

Sarah De Carufel March 25, 2020

In the construction industry, innovations that reduce costs and speed up project completion are highly sought after—so it’s no wonder that we’re seeing a resurgence in the popularity of tilt-up construction. According to Tilt Wall Ontario Inc, over 10,000 buildings are constructed using the tilt-up method each year. Invented in the early 1900s, tilt-up is a construction method in which large concrete elements are cast onsite and lifted into place by high-capacity mobile cranes. It has long been considered a viable approach for all kinds of everyday buildings and has…

Reduce Delays on High Rise Construction Projects

Sarah De Carufel December 20, 2019

High rise buildings are a huge undertaking—no pun intended. In terms of scale, personnel, timelines, costs, scheduling, planning, and logistics—high rise construction projects are significant investments. Each day on a jobsite including your crew, fuel, equipment, etc. can cost between ten and fifteen thousand dollars on average. Therefore, it’s absolutely crucial that you have a plan in place that limits setbacks and inefficiencies. If you’re reading this, you probably know that any construction project can encounter unexpected roadblocks—especially large scale projects like high rise buildings. According to McKinsey Global Institute…

Never Have a Low Break Again

Sarah De Carufel July 9, 2019

Never Have a Low Break Again One of the most frustrating setbacks that occurs on jobsites is low concrete breaks. It seems like they always happen at the worst time, when your schedule is already delayed and you are trying to move your project along as fast as possible. When testing your concrete for early-age strength, if the lab comes back to you with a psi/MPa that is lower than what is expected from your mix, you have very limited options moving forward, all of which require more time and…

Calibrating Your Concrete Maturity Sensors in 5 Easy Steps

Sarah De Carufel July 9, 2019

If you’re reading this article, you’re probably getting ready to use wireless concrete maturity sensors, like SmartRock®, on your jobsite to monitor the strength of your in-situ slab. Here’s a little refresher on the concrete maturity method. The maturity method (ASTM C1074) is a non-destructive testing approach that allows you to estimate the early-age and compressive strength of in-place concrete in real-time. The technique is based on the principle that concrete strength is directly related to its hydration temperature history. Though this methodology has been used since the 1970s, it…

Understanding Relative Humidity in Concrete

Sarah De Carufel April 6, 2019

During the construction of a concrete building, an essential step in the application of flooring is the importance of monitoring the relative humidity (RH), moisture levels, and the moisture evaporation rate of your slab. If your concrete contains excess moisture and high RH levels this can lead to disastrous flooring failures, resulting in costly repairs and liabilities. But what exactly is the difference between relative humidity and moisture and why should you care? Relative Humidity vs. Moisture Relative humidity (RH) is often mistaken for moisture; however, these terms measure two…

Importance of Initial Curing Conditions of Test Cylinders

Sarah De Carufel November 9, 2018

Why Curing Conditions for Test Cylinders is Important Acceptance testing for specified concrete strength is, and always has been, a necessary step in the construction industry. Nowadays, this process includes making cylinders or beams on site and bringing them to the lab for strength testing, followed by a step procedure which is outlined in ASTM C31/C31M. This standard outlines the test procedure for two types of cylinders (or beams); standard-cured and field-cured. Both tests shouldn’t be confused with one another; the standard-cure provides acceptance for the concrete that was delivered,…

Use Maturity to Determine the Allowable Variation in Temperature

Sarah De Carufel December 7, 2017

Determining the Allowable Variation in Concrete Temperature with the Maturity Method Measuring the temperature differential in mass concrete elements is essential. Because of the mass effect, the concrete core can have a really high temperature while the surface, which is greatly affected by environmental conditions, tends to be cooler. If the difference in temperature between the core and the surface is too large, it can cause internal thermal stress. If the tensile strength of the concrete is not high enough to withstand the thermal stress it can create significant cracking….

About Giatec

Giatec is a global company revolutionizing the construction industry by bringing smart testing technologies and real-time data collection to the forefront of every jobsite. Giatec’s suite of hardware and software products has leveraged advanced technologies such as AI and the Internet of Things (IoT), including wireless concrete sensors, mobile apps, and advanced non-destructive technologies (NDT) to drive innovation throughout concrete’s lifecycle and reduce concrete’s carbon footprint.

Our suite of hardware and software products has leveraged advanced technologies such as; Artificial Intelligence (AI), and Internet of Things (IoT), including; wireless concrete sensors, mobile apps, and advanced non-destructive technologies (NDT) to drive innovation throughout concrete’s lifecycle.

Combining wireless concrete sensors and mobile apps, Giatec has developed smart IoT-based technologies, like SmartRock® concrete maturity sensors, for real-time monitoring of concrete properties. This provides critical information to contractors so they can make efficient and informed decisions on the jobsite, ultimately saving time and money. Ready-mix producers also leverage the SmartRock® Plus cloud, which gives them access to concrete performance data to optimize their mix designs.

 

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