Building Tech Flashcards

Frames and grids are structural systems composed of ______ elements that distribute loads in a ____ pattern.

a. Linear, linear

b. Linear, planar

c. Planar, planar

d. Linear and planar, linear and planar

a. Linear, linear

Most often, secondary beams run _____ primary beams.

a. Parallel to

b. Perpendicular to

c. Alongside

d. On top of

b. Perpendicular to

3. One-way frames direct the primary bending moments along two axes in the form of beams spanning a set of columns.

a. True

b. False

b. False

What are the three axes of growth that grids and frames can tessellate along?

Horizontal, vertical, and curved

How are vertical loads (gravity loads) distributed along structural members from load source to the ground? (ie from top to bottom). Please put the structural members in order: Primary beams, columns, secondary beams

Secondary Beams → Primary Beams → Columns

In the base unit of a one-way frame with a square bounding box in plan, there are typically ___ columns and _____ primary

beams.

a. 4, 2

b. 2,2

c. 4,4

d. 2,4

a. 4, 2

What measurements/values work in ratio with one another to determine the dimensions of a base unit of a one-way grid?

Select all that apply.

a. Structural depth of primary beam

b. Structural depth of secondary beams

c. Span between primary beams

d. Distance between center points of the columns

All of the above

All bays must be the same width in a tessellated one-way frame system, without any flexibility in the tessellation.

a. True

b. False

b. False

hat materials can one-way frames be built out of (both columns and beams)? Choose all that apply.

a. Steel

b. Timber

c. Reinforced concrete

d. Textiles

a. Steel

b. Timber

c. Reinforced concrete

What is the name of the main textbook for this course?

Function of Form

Diagrids are most often used in a _________ load bearing

application, as they are resistant to axial forces in this

orientation.

a. Vertical

b. Horizontal

a. Vertical

The angles of diagrids cannot change as the system

tessellates to create a building, as this would

compromise the load distribution along the lines of the

system.

a. True

b. False

b. False

Grid-slab frames are composed of a thin _________ slab

integral with a lattice of beams. (write material below)

Reinforced Concrete

___________ are multi-layer systems, often with two

layers of triangular grids with diagonal struts

connecting them.

a. Space frames

b. Two-way frames

c. Grid shells

d. Diagrids

a. Space frames

The term coffering is most closely associated with

which system?

a. One-way frame

b. Two-way frame

c. Grid-slab frame

d. Diagrid

e. Space frame

c. Grid-slab frame

Grid slabs can tessellate: (choose all that apply)

a. Horizontally

b. Vertically

c. As a curved surface

All of the above

The depth a space frame in a structure can vary to

achieve a wide range of spans

a. True

b. False

a. True

Vertical loads in grid slabs are distributed in one

direction, similar to a 1-way frame.

a. True

b. False

b. False

In diagrids, the diagonal geometry should be _____ for

increased resistance to bending moments.

a. Less than 45 degrees

b. Greater than 45 degrees

a. Less than 45 degrees

Folded plates can be made of which material(s)?

a. Reinforced concrete

b. Steel

c. Timber

d. Polymer mixtures

e. Fabric

a. Reinforced concrete

b. Steel

c. Timber

d. Polymer mixtures

Folded plates can tesselate along which axes of

growth?

a. Horizontal

b. Vertical

c. Curved

a. Horizontal

b. Vertical

________ tessellation results in shed-like structural

forms, with variations in section and plan.

a. Horizontal

b. Vertical

c. Curved

a. Horizontal

Folded plates can work solo or in conjunction with a

linear _________ system. (fill in the blank)

Truss

Folded plates distribute loads along:

a. The surface of a plate (planes)

b. The seams of the folds. (lines)

c. The surfaces and seams (lines and planes)

c. The surfaces and seams (lines and planes)

Peak stresses in a folded plate base unit occur:

a. Along the surfaces

b. The ridge and valley of the folds

c. In the centerlines of the columns below

b. The ridge and valley of the folds

The __________ is proportional to its resistance to

bending.

a. Depth of the plate’s folds

b. Length of the plate

c. Number of tessellations

d. Material the plate is made of

a. Depth of the plate’s folds

Folding allows the surface of the plate to act like a

beam in section

a. True

b. False

a. True

Folded plates always feature which shape (2d

geometry) in plan when they touch the ground?

triangle