quiz 1 - PSD

it gives more specific guidance for the design of structural members and their connections. they present the guidelines and criteria that enable a structural engineer to achieve the objectives mandated by a building code.

Design Specification

the relationship between stress and strain is linear up to the ________.

Proportional Limit

in buildings, vertical compression members such as there are referred to as ______.

Columns

this specification provides for the design of structural steel buildings and their connections.

American Institute of Steel Construction

it is the primary design code in the country, providing guidance to civil and structural engineers on the design and assessment of buildings and any other structures since its first edition in 1972.

National Structural Code of the Philippines

the ability of a material to absorb energy in large amounts is called _________.

Toughness

structural shapes of this type are created by bending thin material such as sheet steel or plate into the desired shape without heating.

Cold Formed Steel

one of the most commonly used structural steels is a mild steel designated as _______.

A36

the properties of steel do not change appreciably with time, as do those of a reinforced concrete structure.

Uniformity

in 1884, the first building with a steel frame was completed in ________.

Chicago

the stress then remains constant even though the strain continues to increase. at this stage of loading, the test specimen continues to elongate as long as the load is not removed, even though the load cannot be increased. this constant stress region is called _______.

Plastic Range

the ratio of stress to strain within the elastic range is called ________.

Modulus of Elasticity

do not give design procedures, but they do specify the design requirements and constraints that must ve satisfied.

Building Codes

the A36 steel has a minimum Fy= _____MPa and Fu=_______ksi.

36.9 & 58-80

it is the first structural shaped rolled in US.

I-beams

this specification deals with cold-formed steel.

American Iron and Steel Institute

dead loads are those that are permanent, including the weight of the structure itself, which is sometimes called the _______.

Self-weight

ASEP means________.

Association of Structural Engineers of the Philippines

these loads another special category and need to be considered only in those geographic locations where there is a reasonable probability of occurrence.

Earthquake Loads

according to (Murphy, 1957), the earliest use of iron, the chief component of steel was for small tools, in approximately ______.

4000 B.C

different grades of structural steel are identified by the designation assigned them by the _______.

American Society for Testing Materials

it has been the guiding document for buildings and structures in the Philippines

National Building Code of the Philippines

the horizontal members that are subjected primarily to bending or flexure and are called ______.

Beams

the _______ of the material is a stress that lies between the proportional limit and the upper yield point.

Elastic Limit

the forces that act on a structure are called _______.

Loads

in the United States, the first structural steel railroad bridge was the _______.

Eads Bridge

if a live load is applied slowly and is not removed and reapplied an excessive number of times, the structure can be analyzed as if the load were _____.

Static

this specification covers the design of highway bridges and related structures.

American Associate of State Highway and Transportation Officials

it exerts a pressure or suction on the exterior surfaces of a building and because of its transcient nature, it properly belongs in the category of live loads.

Wind

the specimen can be unloaded without permanent deformation, the unloading will be along the linear portion if the diagram, the same path followed during loading. this part of the stress-strain diagram is called _______.

Elastic Range

the point of interest to the structural engineer is the maximum value of stress that can ba attained, called the _______.

Ultimate Tensile Strength

if the original length is used to compute the strain, it is called ______.

Engineering Strain

the property of a material by which it can withstand extensive deformation without failure under high tensile stresses.

Ductility

steel, an alloy of primarily iron and carbon, with fewer impurities and less carbon than cast iron, was first used un heavy construction in the ______.

19th Century

the proportional limit, elastic limit and the upper and lower yield points are all very close to one another and are treated as a single point called the _______.

Yield Point

it has two flanges and a web, with only one axis of symmetry.

Channel Section / C-Channel

it is similar in composition to the low-alloy steels but with a higher percentage of the components added to iron and carbon. these steels are higher in strength than the plain carbon steels and also have some special quality, such as resistance to corrosion.

High-Alloy

in this manufacturing process, which takes place in a mill, molten steel is taken from an electric are furnace and poured into a _____ system where the steel solidifies but is never allowed to cool completely.

Continuous Casting

what is your subject code?

Q119 - Q120

what is the full name of your instructor in PSD?

Engr. Ihsan L. Linzag

who is the acting program head of the CE dept in UCU. Full Name.

Engr. Leo Gerardo S. Roxas

a typical designation for W-shape would be “W18×50” where W indicates the type of shape, 18 is the _____ parallel to the web, and 50 is the ______.

depth , weight

buildings must be designed and constructed according to the provisions of a building code, which is legal document continuing requirements related to such things as ________, ________, ________.

structural safety, ventilation, plumbing

give at least 2 disadvantages of steel

Susceptibility to Corrosion, Susceptibility to Buckling

density of steel in kg/m³

7850 kg/m³

this shapes are H-shaped members that are not classified in ASTM A6.

M-shapes

these are commonly available in widths up to 120in. For larger plate widths, see literature available from floor plate procedures.

Raised-Pattern Floor Plates

in this manufacturing process, which takes place in a mill, molten steel is taken from an electric are furnace and poured into a _______ system where the steel solidifies but is never allowed to cool completely.

Continuous Casting

these are made with two channels that are interconnected through their back-to-back webs along the length of the member, either in contact for the full length or separated by spacers at the point of interconnection.

2C-Shape/ Double Channel

AISC means ________.

American Institute of Steel Construction

AASHTO means ________.

American Association of State Highway and Transportation Officials

AISI means _______.

American Iron and Steel Institute

value of Modulus of Elasticity of steel in psi

29,000,000

value of Modulus of Elasticity of steel in ksi

29,000