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Architecture billings see continued strength, led by institutional sector

BD+C

On the heels of recording its strongest pace of growth since 2007, there continues to be an increasing level of demand for design services signaled in the latest Architecture Billings Index (ABI). This score reflects an increase in design activity (any score above 50 indicates an increase in billings). down from a mark of 55.8

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Architecture Billings Index up nearly a point in June

BD+C

The Architecture Billings Index (ABI) is signaling improving conditions for the overall design and construction industry. This score reflects an increase in design activity (any score above 50 indicates an increase in billings). The American Institute of Architects (AIA) reported the June ABI score was 53.5,

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Callison launches sustainable design tool with 84 proven strategies

BD+C

Global architecture and design firm Callison announced the release of Matrix by Callison , a comprehensive online sustainable design tool. Body Image: read more.

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Kinetic Architecture: New book explores innovations in active façades

BD+C

Arup has announced that Russell Fortmeyer, LEED AP, BD+C, an associate in Arup''s Los Angeles office, has co-authored a book on kinetic architecture with industry expert Charles Linn, FAIA, an architect who has specialized in architectural journalism for more than 25 years.

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What you missed last week: Architecture billings up again; record year for hotel renovations; nation's most expensive real estate markets

BD+C

BD+C ''s roundup of the top construction market news for the week of August 18 includes the latest architecture billings index from AIA and a BOMA study on the nation''s most and least expensive commercial real estate markets.

BOMA 79
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ACCEPTANCE CRITERIA FOR DESIGN MIX CONCRETE

The Constructor

III Concrete which does not meet the strength requirements as specified in I, but has a strength greater than that required by II may, at the discretion of the designer, be accepted as being structurally adequate without further testing. times the standard deviation; and 2) 0.80 times the standard deviation; and 2) 0.80

Concrete 229
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TYPES OF CONCRETE MIX DESIGN

The Constructor

IS 456-2000 has designated the concrete mixes into a number of grades as M10, M15, M20, M25, M30, M35 and M40. In this designation the letter M refers to the mix and the number to the specified 28 day cube strength of mix in N/mm2. These mixes of fixed cement-aggregate ratio which ensures adequate strength are termed nominal mixes.

Concrete 240