A Reinforced Concrete Floor Is Framed with Beams Spaced 30

question 44

Essay

A reinforced concrete floor is framed with beams spaced 30 ft on center in one direction and 20 ft on center in the other direction. Are the slabs that span between the beams one- way slabs or two- way slabs, or does the floor have a combination of these two? Give reason(s)for your answer.

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Definitions:

Diterpene

A type of terpene consisting of four isoprene units, making up 20 carbon atoms, often found in essential oils and used in medicines and perfumes.

Prostaglandin

A collection of lipid compounds that are physiologically active and exhibit various hormone-like actions in animals.

Carboxyl Group

A functional group consisting of a carbon atom double-bonded to an oxygen atom and single-bonded to a hydroxyl group, denoted as -COOH in organic compounds.

Prostaglandins

A group of physiologically active lipid compounds having diverse hormone-like effects in animals, derived enzymatically from fatty acids.