ARCC - ES

Is a single force which acting alone will produce the same effect as the force system.

Is a single force which acting alone will produce the same effect as the force system.

Resultant

A thick column subject to failure by crushing

Short Column

Types of Column

1. Short
2. Long
3. Intermediate

What shall be the diameter of the tie bar for a longitudinal bar with 32 diameter and smaller

10 mm diameter

Combination of concrete and steel wherein the steel reinforcement provides the tensile strength lacking in concrete

Reinforced Concrete

3-D structural system without bearing walls, composed of self-contained unit with or without the aid of horizontal diagrams or floor bracing systems.

Space Frame

Lateral displacement of one level relative to the level above or below

Storey drift

It is a part of any wall entirely above the roof line

Parapet Wall

It is a member with a ratio of height to least lateral dimension of 3 or greater used primarily to support axial compression load

Column

Intensity of F/A

Stress

Minimum diameter bend for 32 diameter bar

8db

Types of columns in concrete

1. Tied
2. Composite
3. Spiral

Loads that are applied slowly to a structure

Static load

Minimum cantilever slab thickness

L/10

Minimum one-way slab thickness both end continuous

L/28

Minimum one-way slab thickness one end continuous

L/24

Spacing of shear reinforcement placed perpendicular to axis on non-prestressed member

d/2

Allowable deflection for any structural member loaded with live load only

L/360

Open building is a structure having all walls at least

(80%)

Low rise building is an enclose or partially enclosed with mean roof height

18m

Maximum bundle of bars

4 pcs

A complete record of test materials and of concrete shall be available for inspection and preservation up to

2yrs

Also called working stress design

ASD

Horizontal or nearly horizontal systems acting to transmit lateral forces to the vertical resisting element

diaphragm

minimum number of longitudinal bars for circular columns

6 pcs

Epoxy coated reinforced steel bars

ASTM A 775 M

Designation of fabricated deformed steel bars

ASTM A 184

NSCP, conduit and pipe embedded in concrete shall not displace more than ___ of the area of the cross-section

4%

This is the enclosed by a continuous foundation wall or piers provide space under a first floor for the integration of and access to mechanical, electrical, and plumbing

crawl space

The stress wherein the deformation increases without any increase in the load.

Creep

It is formed, sawed, or tooled in a concrete structure to create a weakened plane to regulate the location of cracking

Contraction joint

Concrete mixture of 1:2:4

Class A

Gravity load definition, vertical load due to permanent weight

Dead load

A storey whose strength is less than 80% of the strength in the upper storey

Weak storey

Maximum spacing of rebars for walls and slab

3x the wall or slab thickness or 450 mm

Basic wind space NSCP 2015 Zone III Mindanao NSCP 2001

125 kph

Are the effect on the structure due to E.Q. motion acting in direction other than // to the direction under consideration

Orthogonal effect

The plot on proposed condominium is classified as terrain with buildings 6 M and more in height covered 20% of the area extending 1.5 kilometers from the plot - exposure NSCP 1992 wind press design factor

Exposure B

Post Tensioning

One-Way slab

pile cap

Steel bolster

Used to support lower layer of mesh or rebar

Strap footing

Connection two footing by a tie beam

Pratt truss

Warren truss

Double Howe truss

Mono truss

To prevent the column main bars from buckling outward spilling the concrete and causing early collapse

Ties

spacing max of rebars for walls and slab 3x the wall or slab thickness

450mm

Is a component including its attachments having fundamental period less than or equal to 0.06 sec

Rigid component

Is a length of embedded reinforcement, including prestressing strand, required to develop the design strength of reinforcement at a critical section

Development Length

Is a length of embedded reinforcement provided beyond a critical section

Embedment Length

Is a portion of structure common to intersecting members

Joint

An instrument used to measure acceleration in the vertical and two orthogonal horizontal directions

Accelerometer

Is a number (written as a roman numeral) describing the severity of an earthquake in terms of its effect on the earth's surface and on humans and their structures

Intensity

Is the purpose for which a building or other structures or part thereof is used or intended to be used

Occupancy

Is a deposit of earth material placed by artificial means

Fill

Mean roof height less than equal to 18m and mean roof height does not exceed horizontal dimension

Low-Rise Building

Is the equivalent static pressure to be used in determination of wind loads for building

Design Pressure

Are buildings, towers, and other vertical structure that are intended to remain operational in the event of extreme environmental loading from wind or earthquake

Essential Facilities

Is a horizontal truss system that serves the same function as a diaphragm

Horizontal Bracing System

Is a frame in which members are joints are capable of resisting forces primarily by flexure

Moment-Resisting Frame

Is a method of prestressing in which prestressing reinforcement is tensioned after concrete has hardened

Post-Tensioning Frame

Unit weight of soil

kN/m3

It represents a quantity of matter in an object and is expressed in kilograms

Mass

The study of forces and their effects on bodies that are at rest or in motion

Mechanics

Refers to the size or amount of the force in acceptable units

Magnitude

It is a quantity that has magnitude, direction, and sense

Vector Quantity

It is a quantity that has magnitude only

Scalar Quantity

If the system of forces is in equilibrium, the resultant of the force system is equal to

Zero

It is the ratio of total deformation over original length

Strain

Ratio of yield strength over allowable strength

Factor of safety

Essentially a vertical truss system of the concentric or eccentric type that is provided to resist lateral forces

Braced Frame

A building or other structure whose fundamental frequency is greater than or equal to 1.0 Hz

Rigid Building or other structure

A building or other structure having no unusual geometrical irregularity in spatial form

Regular shape building or other structure

A structural system w/o complete vertical load carrying space frame. This system provide support for all or most gravity loads

Bearing wall system

Wood treated with an approved preservatives under treating and quality control procedures

Treated wood

Is a panel of laminated veneers conforming to Philippine National Standard (PNS 196)

Plywood

Is a unit of measurement for the volume of lumber

Board-foot

A wall designed to resist lateral forces parallel to the plane of the wall

Shear wall

Known as scarp, a cliff or steep slope generally separating two levels or gently sloping areas

Escarpment

It is the ratio of stress over strain

Modulus of elasticity

Concrete covering not exposed to weather

Beam - 40mm
Slab - 20mm
Exposed to earth - 75mm

Type of stresses

1. Axial
2. Shearing
3. Bending
4. Bearing
5. Torsional

Types of shearing stress

1. Vertical
2. Horizontal
3. Diagonal

Minimum one-way slab thickness simply supported

L/20

Dead + Live load only

L/240

Is a reinforced (spirally) or tied reinforced compression members, clear distance between longitudinal bars shall not be less than

1.5db

Is a component including its attachments having fundamental period greater than 0.6 sec

Flexible component

Driven pile diameter not less than

200 mm

Cast in place bored piles minimum f'c

3000 psi (20.7 mpa)

Material weight

1. Concrete - 23.54 kn/m3
2. Steel - 77 kn/m3

The secondary effect on shears, axial forces, and moments of frame members due to the action of vertical loads induced by horizontal displacement

P Delta Effect

Types of wall

1. Shear wall
2. Retaining wall
3. Bearing Wall

AISC

American Institute of Steel Construction

ASTM

American Society for Testing and Materials

ACI

American Concrete Institute

It is a deflection upward on a beam (or arch wise)

Camber

Type of occupancy, fire station and police station

Category II

Hook extension in ties

6db