Structural Design Review Notes 1

STRUCTURAL DESIGN

STRUCTURAL DESIGN What Happens to a short column? a. b. c. d.

Elongates Buckles Deforms Deflects

STRUCTURAL DESIGN What usually happens to steel when stressed? a. b. c. d.

Bend Twist Break Rupture

STRUCTURAL DESIGN What is a method of pre-stressing wherein tendons are stressed after concrete has hardened?

a. b. c. d.

Pre-stressing Pre-tensioning Post-tensioning Pre-fabricating

STRUCTURAL DESIGN What deformation does a beam contain? a. b. c. d.

Deformation Deflection Elongation Compression

STRUCTURAL DESIGN Minimum concrete cover for slab on fill?

a. b. c. d.

50mm 25mm 75mm 20mm

STRUCTURAL DESIGN What’s the most probable reason why a slab-on-fill cracks? a. b. c. d.

Improper soil compaction Failure of concrete mix Lack of Reinforcing bar Compression

STRUCTURAL DESIGN Given a footing plan, determine how deep is the footing; how deep is the excavation.

STRUCTURAL DESIGN Given the plan, determine how many main bars were used?

STRUCTURAL DESIGN Given a foundation plan, schedule of footings and columns… a. What is the depth of the excavation? b. What is the volume of soil to be excavated? c. Determine the number of main bars and size used in the column

STRUCTURAL DESIGN d. Determine the number of stirrups used per interval 50,80, 100 e. Determine the distance of the first Stirrup from the face of the column F If height of column is 3m, compute the Volume of concrete g. Compute the volume of concrete for a trapezoidal

STRUCTURAL DESIGN The main bars for cantilevered slabs are located at a. b. c. d.

Top Middle Bottom Anywhere

STRUCTURAL DESIGN What is the difference between a seismic gap and an expansion gap? For One Way Slab, the ratio of width to length is ________________

For Two Way Slab, the ratio of width to length is __________ .

STRUCTURAL DESIGN What is the best Location of support for a one way slab? a. End of the slab b. Middle third c. Top of slab

STRUCTURAL DESIGN What is another term for tangential stress? What is stress? Different kind of stress What is Torsion?

What is Slenderness Ratio? What is Radius of Gyration? What is Bending Movement?

STRUCTURAL DESIGN When is a system statically determinate? What is the method of sections? What is Casting Bed? What is Punching Shear?

STRUCTURAL DESIGN What do you call the point wherein a material is about to rupture? a. Ultimate Strength b. Point of Breaking c. Point of No Return

STRUCTURAL DESIGN What is Retaining Wall? What is the purpose of a Retaining wall and how does it work?

STRUCTURAL DESIGN What wall is used to protect different levels? a. b. c. d.

Retaining Wall Cantilever Wall Shear Wall Fire Wall

STRUCTURAL DESIGN What is a Sheet Pile? What is a Batter Pile?

STRUCTURAL DESIGN A Structural Member whose function is to Transfer the Loads from a Building Safely into the Ground ? a. b. c. d.

Column Footing Beam Suspended slab

STRUCTURAL DESIGN lt is the depth below ground water level multiplied by the weight of water. a. b. c. d.

Soil Bearing Pressure Hydrostatic Pressure Hydroscopic Pressure Soil Capacity

STRUCTURAL DESIGN What do you call the Upward Force acting on Spread Footing? What causes the Upward Force that acts on Footings? What needs to be done to the Footing Dimension to reduce Soil Bearing Pressure?

STRUCTURAL DESIGN The Top of the Footing is in (Compression or Tension)? The Bottom of the Footing is in (Compression or Tension)? What do you call the Act/Process of Enlarging an Existing Foundation?

STRUCTURAL DESIGN lf a Project is located on a Steep Ground, what type of Foundation would you recommend? a. b. c. d.

Cantilever Isolated Mat Floating

STRUCTURAL DESIGN lf a Project is to be constructed on a Converted Farm Land, what Foundation is recommended? a. b. c. d.

Isolated Mat Floating Grid

STRUCTURAL DESIGN If a Project is to be erected on Stable Ground, what Foundation is recommended? a. b. c. d.

Mat Isolated Cantilever Grid

STRUCTURAL DESIGN Where will you see the details for the Foundation Anchor Bolts? a. b. c. d.

Foundation Plan Base Plate Plan Framing Plan Floor Plan

STRUCTURAL DESIGN What happens to the Footing when it is starting to deform? a. b. c. d.

Bend Upward Cracks at the bottom Bend Downward Cracks at the top

STRUCTURAL DESIGN For a Residential Project at Rizal with relatively Sloping Ground, what is the most appropriate Structural Support? a. b. c. d.

Cantilever Footing on Foundation Wall Isolated Footing on Foundation Wall Firewall Zocalo Wall

STRUCTURAL DESIGN What is the Main Factor that Determines the Strength of Concrete? Why do we use Tie Beams?

STRUCTURAL DESIGN Structural Steel Beam/Column Wide Flange is required to be in the Standards of? a. b. c. d.

ASTM 38 ASTM 40 ASTM 48 ASTM 30

STRUCTURAL DESIGN Structural Steel Beam/Column Wide Flange is required to be in the Standards of? a. b. c. d.

ASTM 38 ASTM 40 ASTM 48 ASTM 30

STRUCTURAL DESIGN In connecting Steel Beams to Columns, which is more Structurally Stable? a. b. c. d.

Rivet Screw Weld Bolt

STRUCTURAL DESIGN Spacing of Metal Studs Tension and Compression Zone of an lBeam What do you call the Vertical and Diagonal Members of a Truss?

STRUCTURAL DESIGN Which part carries most of the Weight of a Structure? a. b. c. d.

Flange of I-Beam Web of I-Beam Flange of H-Beam Web of H-Beam

STRUCTURAL DESIGN A Large Beam that Supports Secondary Beams. Also known as Primary Beam. What is a Live Load? What is a Restrained Support? Concrete Cover for ?(Columns, Beams, footings)

STRUCTURAL DESIGN In Reinforced Concrete Beams, which portion is under Tension? a. Top b. Middle c. Bottom

STRUCTURAL DESIGN ln Reinforced Concrete Beams, which portion is under Compression? a. Top b. Middle c. Bottom

STRUCTURAL DESIGN What do you call the Distance between Supports? Effective Depth of Beam Difference between Pedestal and Column

Usual Failure of Short Columns

STRUCTURAL DESIGN As the Depth of a Beam Increases, its ability to resist Bending _________. a. Decreases b. Increases c. No Effect

STRUCTURAL DESIGN For Flat Slab Construction, when additional loading is imposed on the slab, why is there a need to thicken the section at the column?

Least Dimension of a Column

STRUCTURAL DESIGN Wood Moisture Content What are Joists? Wooden Joists are subject to Lateral Buckling, and the End Connections Move. However, no adjustments are necessary. Why?

STRUCTURAL DESIGN What do you call the Design wherein both Steel and Concrete Fail at the Same Time? What Loads are considered for High Rise Buildings?

Earthquakes have Vertical and Lateral Effects on High Rise Structures, which are more Critical?

STRUCTURAL DESIGN From the Figure, which is most dangerous during an earthquake? a. Rupture b. Shaking c. Sublimation

STRUCTURAL DESIGN For Buildings with Heavy Exterior Cladding and Hollow Ground Floor, during an Earthquake, the weak floor buckles. This is because the forces are NOT to the other floor. a. b. c. d.

Transferred Uniformly Distributed Concentrated Removed

STRUCTURAL DESIGN From the given pictures/illustrations, identify the Sag rods, Purlins, Honeycomb, Isolated Footing and Core Sample Label

Identify different symbols (Structural Plans) and analyzing the structural plans Identification of parts from given illustrations: second floor framing plan.

STRUCTURAL DESIGN How can we determine if the existing slab is structurally sound if there is no data given?

a. b. c. d.

Core Cylinder Compression Cylinder Steel Cylinder Tension Cylinder

STRUCTURAL DESIGN Computation of Top Bar, Bottom Bar and Temperature Bars

Length of Top Bars/Bottom Bars Spacing of Lateral Ties

Shear Reduction Factor

STRUCTURAL DESIGN Rebar Length Computation

Identify Rebar Lengths (U3 & U4) Difference between Tension and Compression Elasticity of Steel

STRUCTURAL DESIGN Flexural stress without axial load a. b. c. d.

0.90fy 0.75fy 0.65fy 0.95fy

STRUCTURAL DESIGN Most economic size of a beam What is Camber? Define the following: wide flange, channel, plate, angle bar, sheet

STRUCTURAL DESIGN What supports the Shear Wall? a. b. c. d.

Footing Column Beam Wall

STRUCTURAL DESIGN What equipment is used for Pile Driving? a. b. c. d.

Rotary Drill Pile Hammer Auger Hammer Drill