Category: Concrete Construction

Chicago high-rise with self-climbing formwork – Formwork Number 55 East Erie, the latest high-rise residential development in downtown Chicago, is being built with the aid of Doka automatic self-climbing systems with wall formwork elements suspended from the platform. This makes it possible to concrete the entire core, slabs, and facade walls in a single pour, […]

Culprits in cement shortage A shortfall of shipping to carry cement imports coupled with a surge in construction activity has resulted in cement shortages gripping some regions of the United States, according to a report released by the Portland Cement Association’s economic research department. “There are two root causes for the cement shortage,” says PCA […]

Pneumatic tool cleaner – General Construction Equipment, Materials, Tools, And Services Cleanse-O-Matic flushes harmful material out of pneumatic tools quickly without them having to be disassembled. The unit removes this material through alternating cycles of cleaning fluid (which is recycled) and compressed air (its power source). American Pneumatic Tool, Booth 1675. 800-532-7402. www.apt-tools.com. Circle 81. […]

Most innovative products—decorative Landscape curb machine With the self-propelled Lil’ Bubba EP landscape curb machine, a two-person crew reportedly can install 300 linear feet of decorative edging per day. According to the manufacturer, the machine allows the contractor to purchase materials in the morning and recover the costs in the afternoon when the work is […]

Alteration of samples: distressed concrete can change before and during laboratory study Brad Shotwell Samples extracted from a concrete structure for laboratory study are typically being examined to determine what occurred while the concrete was in service. But sample removal can upset the “equilibrium” of the concrete before it arrives at the laboratory. For example, […]

The growing concrete market: no matter how you slice it, the $110 billion U.S. concrete industry is looking pretty good Tom Klemens How big is our industry? How big a role does concrete play in the overall construction industry? We are often asked these questions, so we decided to find out for ourselves. Our research […]

Formwork for self-consolidating concrete: there are many good reasons to use SCC—but some cautions are necessary Joe Nasvik Only a few years ago there was very little cast-in-place self-consolidating concrete (SCC) being used in the United States; this year, according to the National Ready Mixed Concrete Association (NRMCA), 2.8 million cubic yards will be placed, […]

Post tension tendon hydraulic shear PocketShear[TM] is a hydraulic cold-shearing hand tool for unbonded post tension tendons. PocketShear[TM] is specified by leading engineers across the country and used daily by leading steel placers. At 27 lbs. the unit is lighter than a typical stressing jack and faster than an oxyacetylene torch. The PocketShear[TM]. simply slides […]

Compact engraving machine – Decorative Concrete’s Most Innovative Products – Brief Article The Super Compact 2500D engraving system has several patented features to make existing concrete look like brick, tile, or cobblestone. The precision-machined tool cuts accurate decorative patterns as a worker operates it from a comfortable standing position. The engraver package includes an aluminum […]

The 2002 CC100: CC’s list of the top 100 concrete contractors in America – Cover Story – companies ranked by 2001 revenues – Statistical Data Included “What doesn’t destroy me makes me stronger” could be the nation’s slogan for 2001, and that’s also an appropriate description of the concrete construction industry’s year. It was indeed […]