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C2A-KS12 Flashcards

Knowledge of structural provisions of the California Building Code.

1
Q

The Structural Provisions of the California Building Code consist of the following:

A

Chapter 16: Sets forth general design criteria for structural loads to be accommodated by the structural system of the building

Chapter 17: Governs testing and inspection of construction materials

Chapter 18: Requirements for soils, site, grading, and foundation design

Chapter 19: Concrete

Chapter 20: Aluminum

Chapter 21: Masonry

Chapter 22: Steel

Chapter 23: Wood

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2
Q

Dead Load

A

The weight of materials and construction incorporated into the building, including walls, floors, roofs, ceilings, stairways, built-in partitions, finishes, cladding, and equipment attached to the structure.

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3
Q

Live Load

A

Those loads produced by the use and occupancy of the building or other structure and do not include construction or environmental loads such as wind load,
snow load, rain load, earthquake load, flood load, or dead load.

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4
Q

Shear Wall

A

Reinforced concrete, reinforced masonry, steel, plywood over wood studs; resists lateral forces by developing shear in its own plane (parallel) and cantilevering from its base.

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5
Q

Moment frame

A

Steel or concrete; resists lateral forces by a bending action

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6
Q

Braced frame

A

Most often structural steel, also reinforced concrete or timber braced frames; resist lateral forces by the cross bracing.

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7
Q

Occupancy Category (Section 1604.5)

A

Buildings shall be assigned an occupancy category (l-
IV) in accordance with Table 1604.5 (Occupancy Categories of Building & Other Structures).

  1. Category I — Buildings and other structures that represent a low hazard to human life in the event of a failure(Agricultural facilities, Certain Temporary Facilities, Minor Storage Facilities)
  2. Category Il — Buildings or other structures not categorized in l, Ill, or IV
  3. Category Ill — Buildings and other structures that represent a substantial hazard to human life in the event of a failure (Covered structures whose primary occupancy is public occupancy with occupant load greater than 300,
    Schools, Health Care Facilities, Detention Facilities)
  4. Category IV — Buildings or other structures designated as essential facilities; don’t confuse with the Essential Services Buildings (Hospitals with surgery or emergency treatment facilities Fire, Rescue, and Police Stations, Designated Emergency Shelters, Power-generating Stations, Water Treatment Facilities required to maintain water pressure for fire suppression)

Note: Values for loads and strengths are to be increased by the factors based on the importance of the structure. Essential Facilities may have an increased factor up to
1.5.

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8
Q

According to the structural provisions of the CBC, what buildings are considered essential facilities? (don’t confuse with the Essential Services Buildings)

A
  • Hospitals with surgery or emergency treatment facilities
  • Fire, Rescue, and Police Stations
  • Designated Emergency Shelters
  • Power-generating Stations
  • Water Treatment Facilities required to maintain water pressure for fire suppression

Note: Values for loads and strengths are to be increased by the factors based on the importance of the structure. Essential Facilities may have an increased factor up to
1.5.

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9
Q

True or false

Values for loads and strengths are to be increased by the factors based on the importance of the structure.

A

True

Essential Facilities may have an increased factor up to
1.5.

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10
Q

Loads to be considered during the design

A
  1. Dead Loads — actual weight of the materials and construction
  2. Live Loads — loads produced by the use or occupancy of the building
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11
Q

Per Table 1607.1 is called the “Minimum Uniformly Distributed Live Loads and Minimum Concentrated Live Loads” what is the value for Assembly areas — fixed seats

A

60 psf.

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12
Q

Per Table 1607.1 is called the “Minimum Uniformly Distributed Live Loads and Minimum Concentrated Live Loads” what is the value for Corridors?

A

100 psf.

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13
Q

Per Table 1607.1 is called the “Minimum Uniformly Distributed Live Loads and Minimum Concentrated Live Loads” what is the value for Dining Rooms & Restaurants?

A

100 psf.

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14
Q

Per Table 1607.1 is called the “Minimum Uniformly Distributed Live Loads and Minimum Concentrated /Live Loads” what is the value for Library Reading Rooms?

A

60 psf. and min. concentrated load 1,000 lbs

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15
Q

Per Table 1607.1 is called the “Minimum Uniformly Distributed Live Loads and Minimum Concentrated Live Loads” what is the value for Office Building — offices —

A

50 psf. and min. concentrated load 2,000 lbs

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16
Q

Per Table 1607.1 is called the “Minimum Uniformly Distributed Live Loads and Minimum Concentrated /Live Loads” what is the value for Residential?

A

R-3 — 40 psf.

17
Q

Per Table 1607.1 is called the “Minimum Uniformly Distributed Live Loads and Minimum Concentrated Live Loads” what is the value for Hotels, rooms?

A

40 psf.

18
Q

Per Table 1607.1 is called the “Minimum Uniformly Distributed Live Loads and Minimum Concentrated Live Loads” what is the value for School classrooms

A

40 psf. and min. concentrated load 1,000 lbs.

19
Q

Per Table 1607.1 is called the “Minimum Uniformly Distributed Live Loads and Minimum Concentrated Live Loads” what is the value for Stores, retail?

A

1 st floor — 100 psf. and min, concentrated load 1,000 lbs.

20
Q

Per Table 1607.1 is called the “Minimum Uniformly Distributed Live Loads and Minimum Concentrated Live Loads” what is the value for Stadiums and Arenas

A
  • Bleachers — 100 psf.

* Fixed Seats — 60 psf.

21
Q

Per the structural provisions of the CBC what is the suggested load capacity for Handrails and Guardrails ?

A

50 pounds per lineal foot

22
Q

Per Roof Loads (Section 1607.11) Minimum roof live loads are based upon what?

A

roof slopes

23
Q

Per the structural provisions of the CBC, Landscape Roofs — Uniform design live load in the landscaped area shall be

A

20 psf.

The weight of landscaping materials shall be considered as dead load and shall be computed on the basis of saturation of the soil.

24
Q

The weight of landscaping materials on landscaped roofs shall have a minimum uniform design live load of what?

Landscaped roofs shall be considered as what kind of load? (live or dead)

A

20 psf.

The weight of landscaping materials shall be considered as dead load and shall be computed on the basis of saturation of the soil.

25
Q

Snow Loads

A
  • Design snow loads shall be determined in accordance with Chapter 7 of ASCE 7 (American Society of Civil Engineers).
  • Ground snow loads to be used in determining the design loads for roofs shall be determined in accordance with ASCE 7.
  • Snow loads on flat roofs take into account such factors as exposure and rain- on-snow surcharge.
  • Snow loads on sloped roofs, drifting snow on low roofs, and snow sliding from higher sloped roofs onto lower roofs also needs to be considered.
26
Q

• Wind Loads

A
  • We discussed Exposure Categories (B-D) in Knowledge Statement #2.
  • Wind loads on every building or structure shall be determined in accordance with Chapter 6 of ASCE 7.
  • Wind shall be assumed to come from any horizontal direction
  • No decrease in wind load is permitted for effects from shielding by other structures.
27
Q

• Soil Lateral Loads

A
  • Basement, foundation, and retaining walls shall be designed to resist lateral soil loads.
  • Designed to resist overturning, sliding, excessive foundation pressure, and water uplift
  • Designed in accordance with Table 1610.1 — Soil Lateral Load
28
Q

Rain Loads

A

-Each portion of a roof shall be designed to sustain the load of rainwater that will accumulate on it if the primary drainage system for that portion is blocked plus the uniform load caused by water that rises above the inlet of the secondary drainage system at its design flow.

29
Q

Flood Loads

A

-Within designated flood hazard areas, all new construction of buildings and structures, shall be designed and constructed to resist the effects of flood
hazards and flood loads.

30
Q

Earthquake Loads

A
  • All structures must be designed and constructed to resist the effects of earthquake motions and be assigned a Seismic Design Category based on anticipated earthquake acceleration and the occupancy category of the building.
  • Seismic Design Categories (A, B, C, D, E, or F with F being for longer acceleration periods) based on Occupancy Category (a few pages before) and the anticipated severity of the earthquake ground motion at the site.
31
Q

Chapter 17 — Structural Tests and Inspections

A

We will discuss Tests and Inspections in Knowledge Statement #54

32
Q

Chapter 18 — Soils and Foundations

A

-Provisions of this chapter shall apply to building and foundation systems in those areas not
subject to water pressure by wind or wave action.

  • Chapter 16 is used for foundations subject to water pressure from wind and wave action.
  • Chapter 33 is used for safeguards for excavations and fills used during construction.
  • Some of the topics covered in Chapter 18;
  • Pier and Pile Foundations
  • Driven Pile Foundations
  • Cast-ln-Place Concrete Pile Foundations
  • Excavation, Grading, and Fill
  • Load Bearing Values of Soils
  • Footings and Foundations
  • Retaining Walls
  • Damp proofing & Waterproofing
33
Q

Chapter 19 — Concrete

A

-Provisions of this chapter shall govern the materials, quality control, design and construction of concrete used in structures.

34
Q

Chapter 20 — Aluminum

A

-Provisions of this chapter shall govern the quality, design, fabrication, and erection of
aluminum.

35
Q

Chapter 21 — Masonry

A

-Provisions of this chapter shall govern the materials, design, construction and quality of
masonry.

36
Q

Chapter 22 — Steel

A

-Provisions of this chapter shall govern the quality, design, fabrication, and erection of steel used structurally in buildings or structures.

37
Q

Chapter 23 — Wood

A

-Provisions of this chapter shall govern the materials, design, construction, and quality of
wood members and their fasteners.

38
Q

I used the following sources to compile information in this section:

A
  1. California Building Standards Code — 2010

2. Building Codes Illustrated 2009 — Francis Ching/Steven Winkel

CSE (55 decks)

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