Why is Slump Mandated in Project Specifications?
October 5, 2022 from 3:00pm to 4:00pm Mountain Standard Time
Colorado Convention Center - Mile High 1
With the advances in concrete technology over the last 50 years, why is slump still being mandated in project specifications? This presentation will begin by covering the history of the slump test and the development of the water/cement ratio. Then we will discuss the advent of water-reducing admixtures and show how they have advanced. We will discuss why slump should now be "means and methods" decided on by the contractor. We will also discuss how different placement methods, weather, and what is being poured should determine the slump, not the EOR. This will all be presented with the idea that the w/cm ratio is not compromised, and technology is allowing the contractor to work with a higher slump. This will be explained with supporting documents from ACI, ASCC, and ASTM.
LEARNING OBJECTIVES
- Understand the history of the slump test and how it came to fruition.
- Understand the history of the water reducing admixtures and why they are important.
- Identify why different placement methods, weather, and what is being poured should determine slump
- Explain why slump should be "means and methods" and not mandated in project specifications.
TRACK SPONSOR - IconX, LLC
Booth number: 206 | Learn more about IconX, LLC >
TRACK SPONSOR - White Cap
HD Supply Construction & Industrial – White Cap is America’s leading supplier of specialty hardware, tools and materials for medium-to-large contractors. They appreciate our extensive inventory. And they count on delivery options like our will-call, site or yard delivery and direct-ship to get the products they need when and where they need them. Our team of more than 400 outside account managers are experts in their field, so you’ll always have access to our comprehensive knowledge of jobsite and personal safety, concrete, tilt-up, bridge, highway, grading, waterproofing, residential and commercial construction practices. We offer the expertise you expect and the products you need to get the job done.
Booth number: 311 | Learn more about White Cap >
TRACK SPONSOR - Leviat
Leviat is a world leader in lifting, bracing, insulating, and anchoring technology for the construction industry.
Our trusted product brands - including Meadow Burke, Thermomass, HALFEN, Plaka and Ancon - are all known for high performance, quality and reliability. These engineered products and innovative construction solutions are used in a variety of sectors from residential to infrastructure.
We help our ambitious construction partners to turn architectural visions into reality and build better, safer, stronger and faster. Our engineers provide technical design assistance at every stage of a project, from initial planning to installation and beyond. Our technical support services range from simple product selection through to the development of a fully customized project-specific design solution. Our digital engineering tools include industry-leading calculation and design software and BIM objects.
Every promise we make locally, has the commitment and dedication of our global team behind it. Leviat employs almost 3,000 people at 60 locations across North America, Europe and Asia-Pacific, providing an agile and responsive service worldwide.
A CRH company, Leviat is part of the leading building materials business in the world.
Booth number: 111 | Learn more about Leviat >
TRACK SPONSOR - Brinkmann Constructors
Brinkmann Constructors is an employee-owned national general contractor specializing in construction management, design/build and design/assist services. Brinkmann is a creative force in the industry, always taking a second look to save our clients time and money. We advocate for our clients through honest and transparent communication while inspiring confidence and building trust. Brinkmann is a tilt-up construction leader, completing more than $2 billion and 38 million square feet of tilt work across the nation.
TRACK SPONSOR - Seretta Construction, Inc.
Seretta was founded in 1987 in Orlando, FL and now has offices in Orlando, Charlotte and Austin. We perform complete foundation, slab, tiltwall and paving packages. We also perform high tolerance and specialty slabs. We work throughout the Southeast, Mid-Atlantic, Gulf Coast and Southwestern United States.
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About the Tilt-Up Concrete Association
Founded in 1986, the Tilt-Up Concrete Association (TCA) strives to improve the quality and acceptance of site-cast Tilt-Up construction - one of the fastest growing industries in the United States, combining the advantages of reasonable cost with low maintenance, durability, speed of construction and minimal capital investment. Over 10,000 buildings, enclosing more than 650 million square feet, are constructed each year using this construction method.
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