aggregate – Page 5 – Concrete Products

Heavy/civil elite kick off Construction Industry Safety Week

May 5, 2014 Concrete News

Sources: American Infrastructure, Worcester, Pa.

A who’s who of major transportation, environmental and marine contractors are marking the inaugural U.S. Construction Industry Safety Week through on-site awareness and related measures aimed at thanking workforces for supporting safety and recognizing efforts to be injury free; stressing the importance of being committed to accident prevention every working minute; and, inspiring all companies to share best practices advancing the industry’s safety culture.

Holcim, Lafarge map year-long merger, expedited asset sale plans

April 8, 2014 Concrete News

Sources: Holcim Ltd., Zurich; Lafarge SA, Paris; CP staff

Holcim and Lafarge officials outlined in April 7 presentations to European Union analysts the financial rationale and integration strategies behind a “merger of equals,” netting LafargeHolcim—present in 90 countries and accounting for $44 billion in sales; 470 million and 384 million tons of cement and aggregate shipments, respectively; plus, 90 million yd. of ready mixed production.

Industry tackles incendiary silica rule

April 1, 2014 Don Marsh

In a unified front, concrete, cement and aggregate interests question the scientific basis, worker benefit claims, enforcement feasibility and compliance costs at the heart of the Occupational Safety and Health Administration’s Notice of Proposed Rulemaking On Occupational Exposure to Respirable Crystalline Silica.

Sidley streamlines sand storage

April 1, 2014 Concrete News

R.W. Sidley Inc. recently developed a lean, aesthetic alternative to armor-type block synonymous with returned concrete mixes and aggregate stockpile containment.

Ohio ready mixed, aggregate, concrete masonry and precast producer R.W. Sidley Inc. recently developed a lean, aesthetic alternative to armor-type block synonymous with returned concrete mixes and aggregate stockpile containment.

Industry representatives step to podium at OSHA silica rule hearings

March 31, 2014 Concrete News

Sources: Occupational Safety and Health Administration; CP staff

Officers of major concrete, cement and aggregate producer associations are prepared to challenge the technical and economic merits of measures at the heart of OSHA’s public hearings for Notice of Proposed Rulemaking on Occupational Exposure to Respirable Crystalline Silica.

BUYING TIME

March 14, 2014 CP Staff

2011 CONEXPO-CON/AGG PHOTO: Oscar Einzing for AEM

INDUSTRY HEADS TO LAS VEGAS FOR SEVENTH CONEXPO-CON/AGG

After a second consecutive year where concrete, cement and aggregate interests saw modest shipment gains—while overall construction industry increases in 2013 reached the 7-8 percent range—producers are positioned to act on plant and fleet equipment investment carrying them through the growth projected for the remainder of the decade.

ConExpo-Con/Agg positioned as decade’s best capital investment barometer

February 25, 2014 Concrete News

Sources: CP staff; Association of Equipment Manufacturers, Milwaukee

After a second consecutive year where concrete, cement and aggregate interests saw modest shipment gains–while overall construction industry increases in 2013 reached the 7-8 percent range–producers are positioned to act on plant and fleet equipment investment carrying them through the growth phase projected for the remainder the decade.

TXI merger entrenches Martin Marietta in ready mixed production

January 28, 2014 Concrete News

Sources: Martin Marietta Materials, Inc., Raleigh, N.C.; CP staff

The boards of Martin Marietta and Dallas-based Texas Industries, Inc. have unanimously approved a definitive merger agreement under which Martin Marietta will acquire all outstanding shares of TXI common stock in a tax-free, stock-for-stock transaction. Based at existing Raleigh headquarters and operating under the Martin Marietta Materials, Inc. banner, the combined entity will create a market-leading supplier of aggregates and heavy building materials, with low-cost, vertically integrated aggregate and targeted cement operations. With greater geographic and product diversity and a leading distribution network, it will have uniquely positioned assets across some of the nation’s largest and fastest growing geographies.

Ultrasonic Device Gauges Concrete Set Time, Optimal Mix Placement Rate

January 17, 2014 CP Staff

Until now the so-called knead bag test has been used to determine concrete hardening or solidification time, tE. It entails filling a plastic bag with a small amount of mix, testing at different time intervals to measure when the concrete can no longer be pressed by thumb. European practitioners find the method subjective and uncertain, which is why the time determined in accordance with the German DIN 18218 standard must be extended by 25 percent.

Twin Steers to Twin Shafts

January 7, 2014 Don Marsh

Photo Courtesy of: Liebherr Concrete Technology

Fleet management is one of the competencies positioning Raleigh, N.C., ready mixed, aggregate and asphalt producer Sunrock Group among the Carolinas’ stronger independent operators. A 2001 change to Allison 4600s in its rear discharge mixer truck specs made the group’s concrete brand, Carolina Sunrock, an early adopter of fleetwide automatic transmissions.