... research and testing, as well as long-term performance monitoring,” says Surface Tech Chief Technical Officer – Concrete Jon Belkowitz, PhD. “The same rigorous testing procedures for common SCM are being ...
... high-quality concrete. Correct measurement of the UC content is important to reliably identify ‘bad’ fly ashes without unnecessarily discarding any of the ‘good’ ashes.”
To address current test limits ...
... connector using commercially available corrugated steel ducts and grouts. Investigators will conduct the required ACI ITG 5.1 and ITG 1.1 validation testing of precast wall and frame structures using the ...
... discarding any of the ‘good’ ashes.”
To address current test limits for accurately estimating UC content, researchers propose thermogravimetric analysis (TGA), which monitors off-gassing and mass loss ...
... connector using commercially available corrugated steel ducts and grouts. Investigators will conduct the required ACI ITG 5.1 and ITG 1.1 validation testing of precast wall and frame structures using the ...
Upgrades continue for ForneyVault technology, a cloud-based system that helps construction materials testing laboratories provide trustworthy test results thanks to auditable, unalterable records management ...
... the DC of concrete is a non-destructive test that can show the water content of concrete in various stages.
These indicators were determined by measuring different factors for a given curing compound, ...
... the natural pozzolan entailed mortar specimens, while more recent tests have been conducted on concrete samples and involved a major integrated cement and ready mixed producer.
Sunrise ...
... ash in concrete. Prior observation of the natural pozzolan entailed mortar specimens, while more recent tests have been conducted on concrete samples and involved a major integrated cement and ready mixed ...
... microscopy to evaluate the microstructure at the interface and demonstrated with strength testing.
De la Varga, Muñoz, Spragg, Nickel, Bohn, Fay and Graybeal conclude:
The tensile bond strength of ...
...
ConBlock CDA has a 12-month shelf life in a dry environment with temperatures above 40°F, and is packaged in 5-gal. pails, 50-gal. drums or 264-gal. totes.
Concrete Sealants tested ConBlock ...
... to understand their mineralogy and evaluate slab or structure integrity. Staff perform tests described in ASTM C295 Standard Guide for Petrographic Examination of Aggregates for Concrete; C856-18 Standard ...
... substitute traditional binders in conventional concrete slabs, soil stabilization, mass pours, above-grade walls, grout, shotcrete and controlled density fill. In tests against plain control specimens, ...
... Professor Seyedali Abolmaali is leading an investigation to a) classify the most common types of cracks developing in concrete drainage structures; and, b) test reinforcing steel corrosion potential in ...
... of portland cement replacement.
Testing concretes prepared with total cementitious material content of 611 lbs./yd. at 0.47 w/cm, BASF engineers noted respective 1-, 7- and 28-day compressive strength ...
... While not pozzolanic, they add, the powders promote sub-micron level reactivity by providing calcium surface area augmenting formation of hydrated cement compounds. Testing in SCC mixes with target 24-in. ...
... factor, permits earlier stripping of forms to improve production efficiency, and promotes sustainable construction by enabling higher than normal levels of portland cement replacement.
Testing concretes ...
... or higher.
New Technology will offer 2018 World of Concrete attendees perspective on four years of CoolCure testing, including data from an Arrow Concrete-hosted demonstration late last year, and how ...
... weight of total cementitious materials content, Tytro RC meets ASTM C494 Type S Specific Performance Admixtures specs.
In laboratory tests and field trials leading up to Tytro Shotcrete System commercialization, ...