Equipment & Products

COMPRESSION MACHINERY INDICATORS Introduced as an advanced digital indicator for concrete compression machines, the Test Pilot features a four-channel


Introduced as an advanced digital indicator for concrete compression machines, the Test Pilot features a four-channel transducer input system with two selectable load channels to capture load data from one or two load frames. Two additional channels capture strain and/or displacement data from compressometers or extensometers.

Stored data (500 test memory capacity) is downloadable onto a PC using Microsoft hyper-terminal and standard transfer cables. Data collection facility produces an x-y plot of load versus time. Spanish/English display options are included in addition to selectable parameter choices for load, rate and stress units, specimen type and number, peak load and stress.

The Test Pilot is said to increase productivity and accuracy; withstand harsh and dusty construction environments; and, suit retrofitting to popular brands of compression machines. Besides a large range of digital indicators, SERVOs, DAUs and gauges, the company offers the Co-Pilot, which features the same design, software and components as the Test Pilot, but in a format for the lab on a budget. Forney Inc.
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Showroom Finish is a high-gloss, acrylic sealer that adheres to previously painted surfaces, including two-part epoxy finishes. A clear, urethane-fortified acrylic coating developed to provide a high-gloss premium finish to painted, stained or bare concrete, Showroom Finish is reportedly durable, long wearing, scratch and stain resistant, as well as oil and gas resistant to extend paint life. It also protects against moisture damage and is said to enhance the natural color of brick, slate, stone, exposed aggregate, saltillo, clay pavers, and stamped concrete. According to the manufacturer, the sealant offers protection even at very low temperatures, significantly reducing scratches and wear patterns on painted surfaces, especially when coupled with Epoxy-Seal one-part acrylic/epoxy paint for heavy abuse. Showroom Finish is a water-based, low-odor product with 30 percent solids and less than 100 grams VOC per liter. Seal-Krete
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Joining ThermoCure II is EZ Cure, an economical curing box that also heats and cools to maintain a 73_F curing environment. ASTM C31 specifies that field specimens must be cured between 60_F and 80_F and that an environment preventing moisture loss must be maintained for the first 48 hours before transportation to the laboratory. The company’s two solutions enable proper curing conditions in the field.

The National Ready Mixed Concrete Association reports that the primary cause of decreased cylinder strength is improper field curing during the first critical 48 hours. Improper field curing can result in reduction of compression test results by as much as 20 percent. Accordingly, the manufacturer notes, ThermoCure II and EZ Cure are indispensable in avoiding the low breaks that lead to increased construction costs and lost time. Engius
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An internal structural reinforcement, the Paratec (PARApet TEChniques) is tailored to meet the specific requirements of masonry parapet and retaining walls. It strengthens low parapet masonry walls – such as those found on roofs or balconies, or a low wall that is part of a bridge or an embankment – while remaining sensitive to the original architecture and without narrowing roadways or rebuilding the wall. This new system is a targeted approach to solving problems associated with older masonry structures that are subject to wind loading, seismic movement, vehicular impact and foundation subsidence.

The Paratec system is backed by research using practical testing as well as advanced computer modeling techniques that simulate the effects of vehicle impact upon a masonry wall. Working in conjunction with both software specialists and consulting engineers, the Paratec system utilizes advanced dynamic software incorporating a discrete element analysis technique that enables the behavior of parapet walls to be accurately predicted under various circumstances. Cintec America
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The company’s CP 672 Speed Spray is said to provide a high-quality finish for firestopping joint applications in wall and floor assemblies fire rated up to four hours. A sprayable, fire-rated mastic for construction joints where maximum movement is required, it is suitable for top of wall, expansion joint, and edge of slab or curtain wall applications. CP 672 also provides maximum flexibility as it meets 500 cycle requirements (Class II and III approval, plus UL 2079 and ASTM E1966). When used with Hilti CP 777 Speed Plugs and CP 767 Speed Strips, installation times for top of wall joints are reportedly reduced by up to 40 percent compared to conventional spray and mineral wool systems.

Tested in accordance with ASTM G21 (B 0 rating Û no growth), CP 672 is mold and mildew resistant. It also meets LEED requirements for indoor environmental quality credit 4.1 Low Emitting Materials, Sealants and Adhesives as well as 4.2 Paints and Coatings, in addition to LEED VOC requirements (43 g/L). The CP 672 Speed Spray system also has been tested for sound transmission ratings (in accordance with ASTM E90-55 STC). Hilti
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The ADP2000 incorporates vibratory feeders for batching dry pigment, and mixing and dispensing slurry. Wisconsin-based Wausau Tile, nationally recognized in specialty precast, uses the equipment for floor tile and site-fixture production. The producer needed a dispensing system for small batches, as its larger dispensing systems did not offer the accuracy at small volume doses.

The main performance feature of the ADP2000 system is batch to batch repeatability, product developers note. Wausau Tile’s system is designed to batch with accuracy of 0.5 grams, and mix powder with water and transfer slurry to the plant mixer within five minutes. The system uses a PC to control the dispensing, enter formulas, and keep inventory records. Its point and click interface software is written in Microsoft Access. Û


Sioux Steam Cleaner Corp. of Beresford, S.D., is among equipment suppliers for the giant Crazy Horse Memorial carving in South Dakota’s Black Hills. Its Dakota Series hot-water washer, providing 4 gal./min. at 2,000 psi, is used to clean dirt, oil, grease and grime off mining drills, crawlers, graders, excavators, and trucks.

Crazy Horse Memorial is a nonprofit cultural and educational humanitarian project whose three primary goals include completing the mountain carving, expanding the Indian Museum of North America, and creating the Indian University of North America and Medical Training Center for the North American Indian. In 1939, a Boston-born sculptor Korczak was first approached by the Sioux Indians to carve Crazy Horse. Following years of study, plans were formulated and tons of the mountain were blasted away to begin carving the groundwork. In 1998, the finished face of Crazy Horse was unveiled. Work continues on the horse’s head.