ARCH 352 CHALLENGE TWO

The "Crystal Palace" in London is one of the most popular…………..structures worldwide.

_______ are often built into one side of tall column forms to allow the placing of concrete inthe bottom half of the form

a _________ should be provided at the bottom of the form so that debris may be removed beforeplacing begins

_______ splicing are normally used for large bars

Normally, __________ are not recommended when splicing normal reinforcing bars.

estimate the columns dimensions for a slab of 14 m X 16 m dimentions

What is the primary purpose of reinforcement in concrete girders and beams?

Most round columns are formed by the use of_________

__________ is the term given to either temporary or permanent molds into which concrete or similar materials are poured.

the average cover for columns' reinforcing steel bars in normal weather conditions is______

Two important criteria must be considered in the location of reinforcing bars in a concrete section

the most common type of steel bars splicing is _________, because________

why precast RC construction are suitable for campus size projects.

mention three advantages of cast-in-place RC constructions

flat plates structures are suitable for__________buildings

flat slab structures are suitable for__________buildings

waffle slab structures are suitable for__________buildings

estimate the thickness of TWO WAY slab of 14 meters span

estimate the thickness of ONE WAY slab of 9 meters span

__________ are flexible membranes that derive their stability from air pressure

two types of tensile structures are:

_______ belong to the family of arches,domes and vaults.

folded roof can be built with minimum thickness to cover a span up to__________ m

shell roof can be built to cover a span up to__________ m

trusses can be built to cover a span up to__________ m

space frames can be built to cover a span up to__________ m

dooms can be built with minimum thickness to cover a span up to__________ m by using __________material

the only suitable material for folded roofs is________

the _____is a truss that works in two directions

____ is a flat plate with many holes in it

trusses can be constructed with:

folded roofs can be constructed with:

space frames can be constructed with:

shells which are generated from reinforced concrete can cover spans up to

the truss must be divided into ______

portable frames are suitable for _____size spans

if we join a beam to it's two supporting columns with rigid connection

for skeleton frames,it's commonly used in:

load bearing walls has 3 disadvantages:

…………. can provide a wide variety of shapes, sizes, and configurations for any building

…….. is a ductile material and equally strong in tension and compression.

HSS refers to …………

……… is considered to be a secondary component of Structural steel systems.

in Steel structures, the most Common shapes for beams are ……….…

in Steel structures, the most Common shapes for columns are ……….…

Structural …………. are cut from W shapes and are used as in truss chords.

The designation W14 * 83 means that the

A steel frame building may consist of either a rigid frame or braced frame. T or F

Steel decks are made from cold-formed steel. T or F

Spray-on fire protection of steel gives a less cleaner appearance than gypsum board encasement of steel T or F

pre-engineered structures are most competitive where a straightforward structure with large open areas is required T or F

the discovery of steel lies in the birth of a structural system that initially came to be knownas a “steel cage” T or F

Where might preengineerd structure be at a disadvantage

In a multistory steel-frame building, the columns are generally spliced every..........floor(s)

Steel joists and joist girders are best utilized in a building that has concentrated loads. T or F

Steel roof decks are either form decks or composite decks. T or F

What three advantages do open-web steel joists have over W shapes when used as floor framing?

Which of the ferrous metals is least corrosion resistant

Which of the ferrous metals has the largest amount of carbon

why wrought iron provides the ability to resist corrosion more than other types? Give an example