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Low Carbon Concrete for the First Time Required by Law

Green Building Law Update

Embodied (or embedded) emissions are emissions of carbon dioxide and other greenhouse gases generated by making and transporting materials to a building site, including mining, refining, and shipping. Current green building programs actually encourage the use of concrete. And the next versions of green building programs must respond.

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A winning foundation: Solid defense with low carbon concrete

Construction Specifier

In addition, the project targeted LEED Gold certification to qualify for the city of Seattles Priority Green expedited program. Adding titanium dioxide as a color additive was cost-prohibitive, and getting white cement meant transporting a specific cement across the country. Teams anchor foam between panels after placing beauty panels.

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COMPOSITION OF REACTIVE POWDER CONCRETE (RPC)

The Constructor

Portland cement – type V 1000 kg/m3 2. Portland cement – type V 955 kg/m 3 2. This compactness gives RPC ultra –high strength and durability.Reactive powder concretes have compressive strength ranging from 200 Mpa to 800Mpa. Typical composition of reactive powder concrete 800 Mpa 1. Fine sand ( 150 – 400 micron) 5001 kg/m3 3.

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STRUCTURAL USES OF PRECAST CONCRETE

The Constructor

The backing concrete is made from an ordinary mix, whereas the façade may consist of a special mix, e.g. white Portland cement. However, it is used more frequently as a non-structural decorative façade. A great variety of forms, details and colours can be produced. Precast concrete cladding is not exclusive to precast frames.

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TYPES OF CEMENT AND THEIR USES

The Constructor

Blast Furnace Slag Cement It is obtained by grinding the clinkers with about 60% slag and resembles more or less in properties of Portland cement It can used for works economic considerations is predominant. and 5 hours respectively It is used in works where concrete is subjected to high temperatures, frost, and acidic action.

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New study shows protected bike lanes increase ridership, desirability of neighborhood

BD+C

Recently, the National Institute for Transportation and Communities (NITC) released their findings on protected bikes lanes in the US, a subject that has only been explored in a limited number of studies. Their study looked at protected bikes lanes in Austin, Chicago, Portland, San Francisco and Washington, D.C. read more.

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CELLULAR LIGHTWEIGHT CONCRETE?FLY ASH BASED

The Constructor

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