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95 Terms
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A projecting beam supported at only one fixed end.
Cantilever Beam
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A graphical representation of the variation in magnitude of the bending moments present in a structure for given set of transverse loads and support conditions.
Moment Diagram
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A point, surface, or mass that supports weight, esp. the area of contact between a bearing member, as a beam or truss, and a column, wall, or other underlying support.
Bearing
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A point at which a structure changes curvature from convex to concave or vice versa as it deflects under a transverse load: theoretically an internal hinge and therefore a point of zero moment.
Inflection Point
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A slight convex curvature intentionally built into a beam, girder, or truss to compensate for an anticipated deflection.
Camber
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A structural member essential to the stability of a structural whole.
Primary Member
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The lowest division of a building or other construction, partly or wholly below the surface of the ground, designed to support and anchor the superstructure and transmit its load directly to the earth.
Foundation
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An assemblage of framing members designed to support gravity loads and resist lateral forces
Structure
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A continuous or strip footing that changes levels in stages to accommodate a sloping site or bearing stratum.
Stepped footing
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Minimum building story requiring geotechnical report
2 story
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A graphical representation of the variation in magnitude of the external shears present in a structure for a given set of transverse load and support conditions
Shear diagram
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Allowable deflection for any structural member loaded with live load only.
L/360
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A structural support that allows rotation but resist translation in a direction perpendicular into or away from its face.
Roller Support
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Is the purpose for which a buiding or other structures or part thereof is used or intended to be used
Occupancy
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A wall supporting no load other than its own weight.
Nonbearing Wall
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What is the unit weight of soil
15 kN/m3
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Upright compression member with a ratio of unsupported height to average least lateral dimension of less than three (3m)
pedestal
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Any wall within a building, surrounded by exterior wall.
Interior Wall
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High Yeild Strength Quenched and Tempered Alloy Steel Plate, Suitable for Welding
ASTM A514
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Is a single force which acting alone will produce the same effect as the force system
Resultant
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What is the unit weight of concrete
23.54 kN/m3
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A means for binding a structural member to another or to its foundation, often to resist uplifting and horizontal forces.
Anchorage
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A complete record of test materials and of concrete shall be available for inspection and preservation up to.
2 years
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High-early strength concrete shall be maintained above 10 degrees Celcius and in a moist condition for at least first 7 days after placement
Curing
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It represents a quantity of matter in an object and is expressed in kilograms
Mass
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Formula for stress
S = P/A
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A slender rod driven through holes in adjacent parts to keep the parts together or to permit them to move in one plane relative to each other.
Pin
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Formula for calculating footing area
A = p/q
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How many bore holes that is required for soil testing for an area of less than or equal to 50 m^2
1
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One of the constituent parts into which a structure may be resolved by analysis, having a unitary character and exhibiting a unique behavior under an applied load.
Structural Member
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How to calculate total h of beam
h = ℓ/12
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The perpendicular distance a spanning member deviated from true course under transverse loading, increasing with load and span, and decreasing with an increase in the moment of inertia of the section or the modulus of elasticity of the material.
Deflection
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How to classify one-way slab
m = s/ℓ < 0.5
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Wood treated with an approved preservative
Treated Wood
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How to classify two-way slab
m = s/ℓ ≥ 0.5
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Open building is a structure having all walls open at least.
80%
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How to calculate beam width (estimate)
b = ½ h
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Combination of concrete and steel
Reinforced concrete
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Hook extension in ties.
6db
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A major spatial division, usually one of a series, marked or partitioned off by the principal vertical supports of a structure.
Bay
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A plate for uniting structural members meeting in a single plane.
Gusset
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What shall be the diameter of the tie bar for the longitudinal bar 32 diameter and smaller
10mm
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Lateral displacement of one level above or below
Storey drift
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It is part of any wall entirely above the roof line
Parapet wall
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If the forces is in equilibrium, the resultant of the force system is equal to.
Zero
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Formula for modulus of elasticity (E)
E = S/ε
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Minimum cantilever slab thickness
t = L/10
48
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Minimum diameter bend for 32mm diameter bar
8 db
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Of a pertaining to a structure or structural member having a load-carrying mechanism that acts in one direction only
One-way
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Concrete cover inside building
40mm
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The ability of a structure, when disturbed from a condition of equilibrium by an applied load, to develop internal forces or moments that restore the original condition.
Stability
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Round type of column
Spiral
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An imaginary line passing through the centroid of the cross section of a beam or other member subject to bending, along which no bending stress occur.
Neutral Axis
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Mean roof height less than or equal to 18 m.
Low rise building
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Is a panel of laminated veneers conforming to Philippine National Standard.
Plywood
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Loads that are applied slowly to structure
Static loads
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Driven pile 200mm diameter or less
Micro
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_______ is granular material, such as sand, gravel, crushed stone and iron blast-furnace slag, and when used with a cementing medium forms a hydraulic cement concrete or mortar.
Aggregate
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Cast in place/bored piles minimum f’c
20.7 mpa
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Secondary moment on a column
P Delta effect
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A structural frame based on the geometric rigidity of the triangle and composed of linear members subject only to axial tension or compression.
Truss
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First stirrups should be placed ______mm from the face of the support.
50mm
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Any condition, as fracturing, buckling, or plastic deformation, that renders a structural assembly, element, or joint incapable of sustaining the load-carrying function for which it was designed.
Structural Failure
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Also called Working Stress Design
ASD
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Minimum number of longitudinal bars in compression members shall be 3 for bars within triangular ties, 4 for bars within rectangular or circular ties, while ____ for bars enclosed by spirals
6
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Concrete mixture of 1:2:4
Class A
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Type of foundation that uses pile cap.
Pile
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Removal of side forms (at least)
2 days
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Strength reduction factor for flexure.
0.9
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A galvanize wire basket filled with stones and used in constructing an abutment or retaining structure.
Gabion
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Depth of footing above bottom reinforcement shall not be less than ____mm for footings on soil.
150mm
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Vertical load due to permanent weight
Dead
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Horizontal or nearly horizontal systems acting to transmit lateral forces to the vertical resisting element.
Diaphragm
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Basic wind speed Zone III Mindanao NSCP 2001
125kph
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To prevent column main bars from buckling outward
Ties
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A building material made of wood or other plant fibers compressed with a binder into rigid sheets.
Fiberboard
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Spacing maximum rebars for walls and slab 3x the wall or slab thickness
450mm
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A thick column subject to failure by crushing.
Short column
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A storey whose strength is less than 80% of the strength of the storey
Weak storey
80
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Minimum one way slab thickness both end continous
L/28
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______ is earth material acquired from an off-site location for use on grading on a site.
borrow
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Minimum live loads for parking garages and ramp
4.8 kPa
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________ is an inclined ground surface the inclination of which is expressed as a ratio of vertical distance to horizontal distance.
Slope
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Is a portion of structure common to intersecting members
Joints
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Bundled bars shall be limited to ___ Bars in 1 bundle.
4
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Minimum building code requirement for residential live loads
1.9 kPa
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Driven pile diameter not less than.
200 mm
88
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Low rise buildings is an enclosed ok partially enclose w/ mean roof height less than or equal to ____m.
18
89
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Any of the U-shaped or closed-loop bars placed perpendicular to the longitudinal reinforcement of a concrete beam to resist the vertical component of diagonal tension.
Stirrup
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Concrete compression failure.
Crushing
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The depth of a concrete section measured from the compression face to the centroid of the tension reinforcement.
Effective Depth
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The forces exerted on a structure by an earthquake.
Earthquake load
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A load acting on a very small area or particular point of a supporting structural element
Concentrated Load
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The gradual subsiding of a structure as the soil beneath its foundation consolidates under loading.
Settlement
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Removal of forms for slab and under beam (at least)