Staircase And Slabs Flashcards

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1
Q

Staircase

A

An element that connects levels of a building by raising having a series of small levels of stairs

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2
Q

Components of stair

A

Inner and outer string
Tread
Raiser
Newel post
Balusters
Banister
Return nosing
Fascia
Landing
Curtail

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3
Q

Trader

A

Horizontal top part where we place footing while transiting

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4
Q

Raiser

A

Vertical member between two traders

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5
Q

Rise

A

Vertical distance between the upper face of two consecutive steps

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6
Q

Going

A

Width of the trade between two successive raise

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7
Q

Nosing

A

Outer projecting edge of tread made rounded to give pleasing appearance

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8
Q

Step

A

Portion of a step comprised of tread and raiser

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9
Q

Winder

A

Tapered steps used for changing direction

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10
Q

Handrail

A

Protective bar place at convenient distance to support hands

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11
Q

Balusters or spindle

A

Vertical member or filling between handrail and the base rail provides safety and aesthetic

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12
Q

Newel post

A

Vertical post placed at top and bottom edge of flights supporting handrail

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13
Q

Balustrade

A

Combination of framework of handrail and balusters

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14
Q

Soffit

A

Underside of a satir

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15
Q

Flight

A

Contentious series of steps without break

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16
Q

Landing

A

Platform provided between 2 flights

17
Q

Types of staircase

A

Straight flight
L shaped
U shaped
Winder
Spiral
Curve
Bifurcated
Cantilever

18
Q

Straight flights

A

Straightforward
Single liner flight with no change in direction

19
Q

L shaped

A

Classic
90 degree turn at some point going left or right

20
Q

U shaped

A

Bend is taken furter to form a u shape landing saperates 2 parallel flights aka dog lagged

21
Q

Bifurcated

A

1 sweeping set of staircase further splitting into 2 smaller flights going into opposite directions

22
Q

Winder

A

More complicated to l shaped
A set of wider (treaders that are wider on one direction ) takes place on place of landing

23
Q

Spiral staircase

A

Compact design centred around a single pole
Has nerrow wedge shaoed treaders not easy to transverse

24
Q

Curved staircase

A

Curve has no landing
Continuous forward bend of banisters

25
Q

Cantilever staircase

A

Made to appear floating
Stringer are attached to 1 end of the treader and can be hidden or exposed
Adds interest and spaceousness

26
Q

Slab

A

Structural elements made of concrete
Create flat horizontal surface such as floor ceiling roof deck
Several inches thick and supported by beams and columns

27
Q

Types of slabes

A

One way slab
2 way slabs
Flat slabs
Ribbed slab
Waffle slab

28
Q

1 way slab

A

Most common in construction
Uses between 4-6 inches of concrete to withstand heavy loads
Designed to application where 1 direction is supporting and other requires less supporting
Affordable
For commercial and residential
Limitations is that dose not have Span capabilities as other slabs

29
Q

2 way flat slabs
Construction
Use

A

Construction uses supporting of Beams at all 4 corners to =ly distribute load
Used in multi storied building building where floors need to supporting the weight of additional floors

30
Q

Flat slab

A

2 way reinforcement concrete slab does not have beams and girders
Load transmits directly to the supporting concrete columns
Utilizing a slab of uniform thickness

31
Q

Ribbed slabs
Construction
Use

A

Made up of wide band beams running between columns + narrow ribs spanning the orthogonal direction
= depth
Thin topping slab completes system

32
Q

Waffle slab and grid slab

A

Looks like waffle
Grand lobby of square pods system to house recessed lights alter acoustic
Wide span with minimal columns supporting
Construction and installation is costly and time consuming