TOPIC 1C Flashcards

1
Q

Key Factors: Material strength (compressive or tensile), length, and slenderness

A

Axial Force (N)

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2
Q

___________ cross-sectional areas are required for higher axial loads.

A

Larger

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3
Q

Key Factors: Material’s shear strength, beam depth, and span

A

Shear Force (V)

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4
Q

The member’s depth h significantly influences its ability to resist shear forces, as shear stress t = V/b(h)

A

Shear Capacity

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5
Q

_________ in depth can reduce the required width b for the member.

A

Increase

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6
Q

May be required for higher shear loads.

A

Shear Reinforcement stirrups

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7
Q

Key Factors: Moment of inertia, section modulus, and material’s flexural
strength

A

Bending Moment (M)

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8
Q

The required section modulus S is determined from the bending moment M using S = M/fy’, where fy’ is the yield strength of the
material.

A

Moment Capacity

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9
Q

___________ the depth of the beam increases the moment capacity significantly

A

Increasing

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10
Q

_________ and ________ dictate whether deeper or wider sections
are needed

A

Span length, load conditions

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11
Q

Key Factors: Polar moment of inertia and material’s shear strength.

A

Torsional Moment (T)

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12
Q

For members subjected to torsion, the ______ of the cross-section is critical

A

Polar Moment of Inertia (J)

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13
Q

Are more efficient at resisting torsion due to uniform distribution of material

A

Circular Sections

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14
Q

Provides guidelines and standards for designing structural members like beams, columns, slabs, and foundations to ensure the safety and stability of buildings.

A

NSCP 2015

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15
Q

The specific sizes of structural members
depend on factors such as?

A
  1. Load Requirements
  2. Span Lengths
  3. Building Use
  4. Material Strength
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16
Q

A general rule of thumb is that the beam depth should be _______ to _______
of the span

A

1/10, 1/12

17
Q

For a span of ________, the beam depth would be approximately________.

18
Q

Typically, the width of the beam is ______ to ______ times the depth.

19
Q

For a beam with a depth of 400 mm, the width could range from ______ to ______.

A

160mm, 240 mm

20
Q

The minimum size for beams specified by NSCP 2015, depending on seismic
requirements (Chapter 5), generally should not be less than ________ in width
and _______ in depth, especially for buildings in seismic zones

A

200mm, 400mm

21
Q

For low-rise buildings (1 to 3 stories), a column size of _______ is commonly used

A

300mm x 300mm

22
Q

For medium to high-rise buildings (4 to 10 stories or more), column sizes typically range from ________ to ________ or larger, depending on the loading and building height.

A

400mm x 400mm, 600mm x 600mm

23
Q

The minimum column dimension in
seismic zones is typically _______.

24
Q

Columns should have at least ___ longitudinal bars for square or rectangular columns and at least ___ longitudinal bars for circular
columns.

25
Typically, the thickness is L/20, where L is the shorter span
One-Way Slabs
26
For a 4-meter span, the slab thickness would be around _______.
200mm
27
Typically, the thickness is L/30, where L is the longer span
Two-Way Slabs
28
For a _______ span, the slab thickness could be around 200 mm or more.
6 meter
29
For residential floors, a minimum thickness of ______ (5 inches) is common.
125mm
30
For commercial floors with higher live loads, slab thickness could range from _____ to ____ (6 to 8 inches) or more depending on the load
150mm, 200mm
31
Typically, the minimum thickness of footings is _______ (12 inches), but the size depends on the soil bearing capacity and column load.
300mm
32
For heavier loads or poor soil conditions, combined footings or mat foundations may be required, with thicknesses ranging from ____ to _____ or more.
500mm, 1000mm