Concrete Slump Variations at Site: How to Deal with it?
The Constructor
OCTOBER 16, 2020
Adjusting the slump of concrete is a part of the concreting process, which the contractors should manage properly and cautiously. The concrete slump.
How Smart Sensors Can Strengthen Concrete on Jobsites
Construction Business Owner
APRIL 26, 2021
How Smart Sensors Can Strengthen Concrete on Jobsites. General contractors can incur contractual penalties of up to $50,000 a day for not meeting a project’s deadline. Alex Headley. Mon, 04/26/2021 - 11:43. Inefficient construction scheduling is a longstanding problem that often costs the industry and society greatly.
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How to Treat Discolored Concrete Surface?
The Constructor
SEPTEMBER 25, 2022
Concrete discoloration is simply the change of the designated color of concrete. This could be due to the presence of calcium chloride in concrete, cement and additives, improper curing, environmental conditions, and faulty finishing works. However, if a contractor encounters dark spots, strips, […].
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How Long Does Concrete Take to Cure?
The Constructor
JULY 26, 2021
Concrete curing never actually stops, and the development of concrete strength continues over time. However, site engineers and contractors must know.
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Concrete Discoloration: Causes and Mitigation Strategies
The Constructor
AUGUST 30, 2022
Discoloration of concrete is a source of displeasure for both the contractor as well as the owner. It may appear as gross variations in color across large concrete surfaces, light or dark spots, or early light efflorescence. The post Concrete Discoloration: Causes and Mitigation Strategies appeared first on The Constructor.
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Refine versus shine: Defining and defending design intent with refined concrete
Construction Specifier
JANUARY 13, 2025
LEED AP, Vivian Volz, CSI, AIA, LEED AP, SCIP Photo courtesy Tao Group Solutions After years of grappling with client callbacks, legal disputes, and financial losses from poor polished concrete installations, the industry has reached a breaking point: prohibit polished concrete.
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How to Improve Pumpability of Lightweight Aggregate Concrete?
The Constructor
OCTOBER 5, 2022
Pumping lightweight aggregate concrete is challenging due to the high water absorption of the aggregate in it which results in issues such as segregation, slump loss, inconsistent mix, etc. Therefore, engineers and contractors should consider appropriate strategies to overcome problems associated with pumping lightweight aggregate concrete.
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DEWALT POWERSHIFT™: The Power of Electrification & Sustainability
Construction Business Owner
FEBRUARY 10, 2025
Central The DEWALT POWERSHIFT Cordless Equipment System optimizes the workflow of the concrete contractor and construction jobsites through electrification. SPEAKERS Ricky Cacchiotti Director of Product Management DEWALT Ricky Cacchiotti is the director of product management for concrete power tools, anchors, and POWERSHIFT at DEWALT.
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5 Ways to Mitigate Early-Age Cracking in Concrete Structures
The Constructor
AUGUST 11, 2022
Mitigating early-age cracks in concrete structures is critical for sufficient durability, avoiding possible strength reduction, and reducing maintenance costs. Not only do early-age cracks diminish the aesthetic appearance of a building, but also make occupants uncomfortable and affect the contractor’s reputation. The […].
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What to do if Freshly Placed Concrete Freezes in Cold Weather?
The Constructor
AUGUST 5, 2021
Possible freezing of freshly placed concrete in cold weather conditions is a primary concern for contractors and engineers. This is because freezing.
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A winning foundation: Solid defense with low carbon concrete
Construction Specifier
APRIL 9, 2025
These winning ways have now extended beyond the court as the teams new $64-million training facilitythe Seattle Storm Center for Basketball Performancewas named a winner in the National Ready Mixed Concrete Associations (NRMCA) 2024 Concrete Innovation Awards. The design called for lighter, whiter concrete for the structure.
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6 Reasons To Hire A Concrete Company
Construction Marketing
MARCH 31, 2021
Across many homes, concrete is usually used for patios, pathways, and driveways. It’s no surprise that concrete is popular as it’s very durable. With that said, it does start to develop cracks and other issues, and when this happens to hire a professional concrete company is advised. 1) Knowledge of Concrete.
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Concrete
GCP Applied Technologies
MARCH 2, 2020
Concrete admixtures have been around for nearly a century. Since then, water reducers, superplasticizers, set accelerators, rheology control agents, air-entrainment, among other concrete admixtures, have become essential in the ready mix concrete , precast, tunneling and other concrete industries. Concrete mix design.
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Pros And Cons Of Using Concrete In Commercial Stairs
Construction Marketing
DECEMBER 19, 2022
Although concrete seems stark and cold, it may be the perfect material for constructing stairs in commercial buildings. But before making a decision, builders must weigh the pros and cons of using commercial concrete stairs. There is no denying that many new commercial projects incorporate concrete structures into their designs.
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Controlling concrete setting times
GCP Applied Technologies
NOVEMBER 2, 2020
Controlling concrete setting times. Find tips on methods and concrete admixtures that can help contractors control concrete setting times. Concrete chemistry is complicated, and the makeup of the mix can impact its behavior – from its workability to the set times. Phillip.fry@gc…. Mon, 11/02/2020 - 11:14.
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Protecting steel in concrete
GCP Applied Technologies
AUGUST 20, 2020
Protecting steel in concrete. Corrosion of reinforcement and other embedded steel elements is the leading cause of deterioration and loss of durability in concrete structures. Corrosion of reinforcement and other embedded steel elements is the leading cause of deterioration and loss of durability in concrete structures.
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Concrete admixture
GCP Applied Technologies
MARCH 2, 2020
Concrete admixture. Mid-range water reducers – These admixtures provide superior placeability and finishing for concrete flatwork, in commercial and high-end residential construciton. Air detraining agents – These liquid air-detraining admixtures reduce the level of plastic air in non air-entrained concrete. michael.delros….
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How to reduce bug holes in concrete
GCP Applied Technologies
NOVEMBER 10, 2020
How to reduce bug holes in concrete. Discover best practices for improving the aesthetics of your concrete, including reducing bug holes. When working on a concrete structure where aesthetics are important, extra care needs to be taken to prevent bug holes. Concrete handing: Pour rate. Phillip.fry@gc…. November 10, 2020.
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5 Tips for Moving From Nonstandard to Standard Surety
Construction Business Owner
AUGUST 24, 2021
Standard market surety – how contractors can swing back safely from non-standard. Although 2021 projections are looking up, this unprecedented economic situation put many contractors in a tough spot, with uncertain financials making them only eligible for more expensive nonsurety bonds. Greg Ragsdale. Tue, 08/24/2021 - 15:46.
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HS2 contractor commits to zero carbon concrete
Construction Enquirer
MAY 5, 2023
HS2 contractor SCS has signed up to the ConcreteZero initiative. The Skanska Costain STRABAG Joint Venture is now commited to buying and using 30% low emission concrete by 2025 and 50% by 2030, with a long-term target of using 100% net zero concrete by 2050.
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How an Old Building Material Could Provide a New Solution
Construction Business Owner
SEPTEMBER 8, 2017
Some contractors may push back with the claim that the reliability of materials, such as masonry, concrete or steel, is worth the larger carbon footprint and increased energy consumption to produce those materials. Understanding the finite nature of some of these resources is one thing.
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Elon Musk’s Boring Co., concrete contractor cited on ‘Dirty Dozen’ list
Construction Dive
MAY 2, 2024
A national safety group named 12 companies that have allegedly flaunted worker health and safety and disregarded employees’ rights.
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Tackling high-rise concrete construction challenges
GCP Applied Technologies
JUNE 9, 2020
Tackling high-rise concrete construction challenges. concrete / mix design / high rises. As architects design new high-rise buildings taller and with more complexity, producers are challenged to deliver ready-mix concrete that can be pumped, placed, and finished effectively for these structures. michael.delros…. June 09, 2020.
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Granular Local Market Cost Data is Essential for Construction Cost Visibility & Management
Job Order Contracting
MARCH 7, 2025
Better contractor alignment Estimates match how local subcontractors and suppliers bid , reducing disputes. Example: If national data shows a concrete cost of $150 per cubic yard , and a location factor of 1.2 However, if local drywall contractor quotes are actually $2.50 Identify cost drivers (e.g., per SF , adjusted by a 1.15
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Sight and sound : Enhancing light and acoustics with flooring contractors
Construction Specifier
APRIL 4, 2025
As such, specifying a certified flooring contractor is imperative to ensure proper installation of the flooring material and its long-term performance. To fully appreciate the role of a certified flooring contractor, it is essential to understand how their expertise enhances natural light and acoustics.
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Are you putting the right fiber for the right purpose in your concrete?
GCP Applied Technologies
SEPTEMBER 1, 2020
Are you putting the right fiber for the right purpose in your concrete? There are myriad options when it comes to fiber reinforced concrete, and it can be confusing to determine the right type of reinforcement for each application. Microfibers are used in concrete to reduce plastic shrinkage cracks. Phillip.fry@gc….
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Hilti Acquires Concrete Sensors, an IoT Concrete Testing Startup
Construction Junkie
MAY 22, 2020
photo courtesy of Hili and Concrete Sencors. The only thing slower than watching paint dry is, well, watching concrete dry. Proper curing of concrete is extremely important, though, for quality and safety reasons. Perhaps equally important is proper testing and documentation of the concrete’s strength over time.
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Laying a Solid Foundation with BIM
Construction Business Owner
JANUARY 9, 2018
In the concrete business, once slabs are poured, changes can be costly. For this reason, concrete contractors stand to benefit considerably from implementing a building information modeling (BIM) solution in their companies.
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Hochtief-Murphy completes record cement-free concrete pour
Construction Enquirer
MAY 10, 2023
National Grid claims its contractor Hochtief-Murphy Joint Venture (HMJV) has completed the world’s largest ever continuous pour of cement-free concrete on the £1bn London Power Tunnels project to rewire London.
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100 How to Invest in Your Company's Future
Construction Business Owner
JANUARY 22, 2018
Tom Merritt is an example of how a local contractor transformed his company into a leading commercial civil, earthwork and concrete company by focusing on continuous improvement. After working as a laborer and doing side jobs on weekends using his truck, trailer and tractor, he started Merritt Contracting Inc.,
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Commercial Construction Best-Practices: How to Avoid Scandals
HardHatChat
MAY 13, 2014
Be sure to check references of general contractors before entering into a negotiated or competitive bid situation. Commercial general contractors generally don’t find their way into the mainstream news unless it is for something negative, often involving criminal activity. But the saying goes, all it takes is a few bad apples….
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9 tips to get started with low-carbon concrete
Construction Dive
OCTOBER 23, 2023
The material is growing in popularity, but many contractors haven’t used it yet. Experts at Greenbuild offered some practical advice on how to get started.
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Building Trends: An Old Material Becomes New Again
Viewpoint Construction Technology
MAY 8, 2018
Contractors are also turning to cloud-based, integrated construction software solutions to improve collaboration and streamline processes. Architects are looking to wood—specifically cross-laminated timber—as an alternative to steel and concrete for high-rise buildings. But the material under consideration might surprise you.
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230 Living in a Materials World
Viewpoint Construction Technology
MAY 7, 2019
Effectively managing the materials on jobsites with modern software can have a significant impact on contractors bottom lines. It’s the skill of the labor, the creativity of the design and the intricacy of the engineering that shifts steel, concrete, brick, glass and so many other materials into finished work. Ticketed for Improvement.
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New concrete slab system expands floor further with joints that are fewer and farther between
GCP Applied Technologies
DECEMBER 19, 2018
New concrete slab system expands floor further with joints that are fewer and farther between. Pinpointing the negatives of conventionally designed concrete floor slabs is not difficult: Curling, cracking and too many joints can cause numerous challenges. Now you're relying on the tensile strength of the concrete to bear your loads.".
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What is new in ACI 301-20, Specifications for Concrete Construction
Construction Specifier
JANUARY 12, 2021
Photos courtesy American Institute of Concrete. The American Concrete Institute (ACI) published ACI 301-20, Specifications for Concrete Construction , in October 2020. This standard specification establishes criteria for concrete construction that can be incorporated by reference into contract documents. by Michelle L.
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Clayco breaks ground on $1.5B Indiana manufacturing plant
Construction Dive
SEPTEMBER 6, 2023
The Chicago-based general contractor will self-perform the concrete foundations, flatwork, tilt-up wall panels and concrete paving on the lithium-ion battery separator materials hub.
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Martin Concrete Named ENR Southeast Specialty Contractor of the Year
ENR Construction
AUGUST 1, 2023
A big year of revenue growth in the Southeast and big project and safety achievements earned Martin Concrete Construction, of Kennesaw, Ga., the title of 2023 ENR Southeast Specialty Contractor of the Year.
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Sky-High Chicago Concrete Costs Outpace US Rise, Contractors Say
ENR Construction
FEBRUARY 6, 2023
Cement surcharges and prices to ensure deliveries of materials such as concrete have jumped much faster than inflation in the area for more than a year. High demand, lower river water levels, a labor dispute and many other factors are contributing to unprecedented increases.
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How to Decrease Commercial Construction Costs by Reusing the Right Items
HardHatChat
APRIL 30, 2012
When converting a grocery story into the new headquarters of Englewood Construction, many existing materials were reused, including this concrete floor, which received a face lift with a new stain. The best commercial general contractors can find the right HVAC team to do that job.
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Concrete floors in diverse facilities: Key factors for optimal performance
Construction Specifier
SEPTEMBER 4, 2024
By Chris Bennett, iSCS, CDT, James Longo, iSCS, and Keith Robinson, RSW, FCSC, FCSI, LEED AP RSW, FCSC, FCSI Photo by Magda Biernat Photography Concrete floors are used in wide-ranging facilities, such as industrial data centers, commercial high-rise buildings, and residential homes.
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3 Keys to a Better Bidding Process
Construction Business Owner
JULY 1, 2020
According to a survey by 1 Associated General Contractors of America (AGC) and FMI Corporation, 58% of construction professionals expect to see more technology-driven change within the next 5 years than there has been in the last 50 years. How teams can get more from their bidding technology. Greg Ragsdale. Wed, 07/01/2020 - 16:41.
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How tech can solve the buying vs. renting riddle
Construction Dive
AUGUST 14, 2024
National concrete contractor Lithko went digital to analyze hidden costs in owning equipment and take advantage of the urgency renting creates.
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VERIFI® In-transit Concrete Management Advances UK Concrete Barrier Projects
GCP Applied Technologies
AUGUST 19, 2022
VERIFI® In-transit Concrete Management Advances UK Concrete Barrier Projects. From monitoring the concrete batch consistency, to reducing rejected loads through remote insight, this intelligence has provided additional tools to assist Extrudakerb’s operations. GCP System: VERIFI® in-transit concrete management system .
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