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1. New ACI committee to pursue precast structural code
(Concrete Currents)
... code requirements will complement ACI 318: Building Code Requirements for Structural Concrete. Committee 319 and its future code document set a precedent for additional content geared to specific industry ...
Created on 30 September 2019
2. Alternative SCM, industrial mineral blend catapults C-S-H formation
(Innovations Reports)
... oxide + iron oxide content > 75 percent) belies binder-optimizing performance potential exceeding that of leading SCM. While fly ash, GGBF slag and silica fume tend toward dosages starting at 10 percent ...
Created on 29 September 2019
3. Link Semi-Active Cab Suspension elevates driver comfort
(Innovations Reports)
... or brake pedals from moving with dynamic force around the driver. Structural components may also still be damaged, and cab contents remain at risk. During ROI Cabmate development, nearly four decades ...
Created on 25 September 2019
4. EPA, Corps’ Waters rule withdrawal signals clear regulatory scheme
(Concrete Currents)
... of a final rule in December 2019.    Related articles EPA prepares to shed contentious Waters of the U.S. interpretation EPA ‘Waters’ proposal clouds aggregate supplies, concrete plant management, ...
Created on 23 September 2019
5. New test stands to increase fly ash marketers’ raw feed sources
(News Scope)
Penn State University Department of Civil and Environmental Engineering researchers’ “Evaluation of Two-Atmosphere Thermogravimetric Analysis for Determining the Unburned Carbon Content in Fly Ash” has ...
Created on 11 September 2019
6. ACI 318-19 brings new provisions for alternative cements and aggregates
(Guest Editorial)
...  Basic material properties must be assessed, including: Chemical composition Loss on ignition Air content of mortar Fineness (or other measure of particle size) Autoclave expansion Compressive ...
Created on 10 September 2019
7. Packaged graphene admixture family arrives in small dosages
(Concrete Currents)
... cracking and increase strength in finished concrete slabs or structures. Liquid black with minimum 30 percent graphene content, the inaugural OG offerings are Concrete Admix Plus, 4.5-lb. plastic containers; ...
Created on 09 September 2019
8. Winning Work
(Features)
... saw year-over-year attendance gains and stepped up participation from transportation officials. Feedback confirmed a program loaded with content and productive exchanges between producers, customers and ...
Created on 06 August 2019
9. Scoping the future, PCI Foundation steps up student outreach
(Concrete Currents)
... and participate in the success of the Foundation. A social media strategy calls for posting of video content and images across Facebook, Instagram and LinkedIn platforms. Current and former students in ...
Created on 05 August 2019
10. ACI app instantly checks technician, inspector certification
(News Scope)
... Store; an Android version is in the works. — www.concrete.org CONTRACTORS MEASURE AIR CONTENT OF NON-AE MIXES The latest American Society of Concrete Contractors position statement, “Measuring Air ...
Created on 01 August 2019
11. Proposed apprenticeship enlists associations, sidesteps construction
(Government Affairs)
... format. Content filter, search. Users can access FAR and CFR citations for specific subjects via a Cross Index page for Contract Labor Standards. Site features more FAR Supplements and other acquisition ...
Created on 01 August 2019
12. Researchers’ new LOI measurement increases fly ash supply
(Concrete Currents)
... Determining the Unburned Carbon Content in Fly Ash” has received the 2019 Outstanding Article Award by the ASTM International’s Advances in Civil Engineering Materials journal. “[Fly ash] is a promising ...
Created on 22 July 2019
13. Elematic injects speed, recycling capability into flagship extruder
(Innovations Reports)
... Efficient compaction allows for minimum cement content in slabs, owing to the high concrete density and exponential effect on compressive strength development. MULTI-PRODUCT CASTING Independent screw ...
Created on 18 July 2019
14. Equipping Better Building
(Features)
... and Promotion Act reaching President Trump’s desk, NCMA embraced challenges requiring a new approach to market development, technical support and content delivery—with or without the tandem activities ...
Created on 18 July 2019
15. Report qualifies life cycle aspect of robust construction methods
(News Scope)
... as water content, and relative composition of alkali and calcium. More importantly, [the method] demonstrates that drying the gel strongly affects its structure. This drying effect has not been considered ...
Created on 15 July 2019
16. Feds speed access to Davis-Bacon prevailing wage data
(Concrete Currents)
... users with the new format. Content filter, search. User access FAR and CFR citations for specific subjects via a Cross Index page for Contract Labor Standards. Site features more FAR Supplements ...
Created on 25 June 2019
17. Chryso Quad brings marginal fine aggregate into mix design realm
(Concrete Currents)
... the option of using sands with low or high fines content, swelling clay deposits, or less than optimal shape.  “Quad solutions enhance the quality of concrete featuring challenging sands, but also ...
Created on 24 June 2019
18. Green Globes standard attains ANSI consensus designation
(Concrete Currents)
Sources: Green Building Initiative, Portland, Ore.; CP staff The Green Building Initiative’s new Green Globes Assessment Protocol for Commercial Buildings version, revised with content on resilience ...
Created on 17 June 2019
19. Contractors affirm stand on air measurement in non-AE mixes
(Concrete Currents)
Source: American Society of Concrete Contractors, St. Louis The latest ASCC position statement, “Measuring Air Content in Non-Air-Entrained Concrete,” conveys contractors’ point of view for architects, ...
Created on 12 June 2019
20. TRUCKS & COMPONENTS
(Features)
... Momentum site has been updated with enhanced content, including details on customers’ tank- of system-mounting needs or industry-specific applications. Visitors can also find information on the nationwide ...
Created on 30 May 2019

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