lightweight concrete floor over metal decking

Finishing Lightweight Concrete on Elevated Decks| Concrete .

We have installed hundreds of thousands of square feet of suspended floor slab on metal decking using lightweight concrete, and we've found it's next to impossible to get a smooth, level floor. All our work is done with power trowels, and when the slab is at its optimum for finishing, the concrete tends to roll slightly ahead of the power .

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STRUCTURE magazine | Concrete on Metal Deck

Concrete is placed on an elevated floor metal deck. Concrete placed on metal decks (Figure 1) is either normal weight concrete, typically weighing from 145 to 155 pounds per cubic foot, or lightweight concrete, typically weighing 110 to115 pounds per cubic foot.

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Types Of Concrete For Metal Decking: Structural Vs. Non .

Non-Structural insulating concrete is a product that is used as insulation over the metal deck. It is concrete that is mixed with insulating properties such as vermiculite or zonocel. It is lightweight, weighing approximately 28 pounds per cubic foot.

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Lightweight Concrete Floor Systems - Thickness, Uses

Composite Lightweight Concrete Floors According to EN 1994-1-1:2005, composite slab is composed of profiled steel decking with an in situ reinforced concrete topping. Not only does the deck acts as a permanent formwork to the concrete, but also provides adequate shear bond with the concrete.

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Metal Deck For Concrete: Types & Uses of Composite And Form .

Metal Decking Concrete Slabs Metal decking concrete slabs will normally use structural concrete. This type of concrete will add strength to the structure. It’s available as a normal weight concrete, 145-155 pounds per cubic foot, or lightweight concrete, 110 pounds per cubic foot.

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Reinforced concrete slab systems on steel decks

slab over the supports will pre ve n t the formation of tension cracks due to flexure when slabs are continu-ous for two or more spans. We l d e d w i r e fabric is usually re c o m m e n d e d for tempera t u r e and shrinkage re-i n f o rc e m e n t . Reinforced concrete slab systems on steel decks Decking can serve as form, shoring and .

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Lightweight Roof Deck Concrete - Empire Blended

Systems over galvanized steel form units meet the criteria for UL Class 90 Wind Uplift Resistance as well as FM I-60 and I‑90. Composite shear values over galvanized steel deck in excess of 1,500 PLF are achievable. LIMITATIONS: LIGHTWEIGHT ROOF DECK CONCRETE is not generally used for structural purposes. When used as a floor fill, sand and .

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Concrete Fill on Metal Deck | Civil Engineering

Therefore, the two options that are frequently considered for a 2-hour-rated, noncellular floor-deck system are 31⁄4-in lightweight concrete above the metal deck without spray-on fire protection and 21⁄2-in normal-weight concrete above the metal deck with spray-on fire protection (Fig. 8.6).

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LEWIS Dovetailed sheeting for thin lightweight concrete floors

The LEWIS floor. The LEWIS floor consists of a LEWIS metal decking, finished with a thin layer of (lightweight) fine grade aggregate concrete or liquid screed. After the sheets are assembled, fine grade aggregate concrete (C20/25) or self-levelling liquid screed (≥ C20) is applied over the Dovetailed sheeting.

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Reinforced concrete slab systems on steel decks

slab over the supports will pre ve n t the formation of tension cracks due to flexure when slabs are continu-ous for two or more spans. We l d e d w i r e fabric is usually re c o m m e n d e d for tempera t u r e and shrinkage re-i n f o rc e m e n t . Reinforced concrete slab systems on steel decks Decking can serve as form, shoring and .

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Floor Deck - Metal Deck Direct

A composite floor is comprised of a reinforced concrete floor slab and structural steel floor beams acting compositely together. The structure consists mainly of profiled steel decking working together with in-situ reinforced concrete*. The decking rests over the structural steel floor beams network, which is erected using suitable means.

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Floor systems - SteelConstruction.info

The floor slab may be in the form of a precast concrete slab or a composite slab with metal decking (either shallow or deep decking may be used). An added benefit is that some forms of shallow floor construction inherently achieve composite interaction between the beams and slab, thereby enhancing structural efficiency.

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Engineered Mezzanine Decking Panels Vs Concrete Flooring .

The flooring system that was selected was 3/4" HD with the TriGard® finish and corrugated steel decking. During the final walk through, the Main Contractor made the following comments: "The flooring system offered a substantial savings over elevated concrete platforms, which was the only real alternative for this project.

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SECTION 03 52 00 - LIGHTWEIGHT CONCRETE ROOF INSULATION

Fill corrugations of metal decking with insulating concrete to a minimum depth of 3 mm (1/8-inch) over top of flutes. Set insulation boards to key into slurry. Install insulation in a stair stepped configuration to form base for slope-to-drain capability.

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Metfloor

steel strip with a minimum yield strength of 500n/mm2. With a cover width at just 600mm, the lightweight, easy to handle MetFloor® sheets ensure safer on-site working conditions. MetFloor® 55 MetFloor® 55 is a traditional dovetail re-entrant shallow composite floor deck. Its profile provides an excellent mechanical key into the concrete slab .

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