ES ARCC pdf

23.54kN/m³

What is the unit weight of concrete?

15kN/m³

What is the unit weight of soil?

S = P/A

Formula for stress

h = l/33

Formula for calculating footing area

h = l/12

How to calculate total h of the beam

m = s / l < 0.5

How to classify one-way slab

m = s / l ≥0.5

How to classify two way slab

b = ½ h

How to calculate beam width (estimate)

Resultant

Is a single force which acting alone will produce the same effect as the force system

Reinforced concrete

Combination of concrete and steel

10mm

What shall be the diameter of the tie bar for the longitudinal bar 32 diameter and smaller?

Storey drift

Lateral displacement of one level above or below

Parapet wall

It is part of any wall entirely above the roof line

E=S/ε

S=stress
ε =strain

Formula for modulus of elasticity (E)

t = L/10

inimum cantilever slab thickness

8db

Minimum diameter bend for 32mm diameter bar

40mm

Concrete cover inside building

Spiral

Round type of column

Static loads

Loads that are applied slowly to structure

Micro

Driven pile 200mm diameter or less

20.7 MPa

Cast in place/bored piles minimum f’c

P delta effect

Secondary moment on a column

ASD

Also called working stress design

2 days

Removal of side forms (atleast)

Class A

Concrete mixture of 1:2:4

125 kph

Basic wind speed zone III Mindanao NSCP 2001

Dead

Vertical load due to permanent weight

Ties

To prevent column main bars from buckling outward

450 mm

Spacing maximum rebars for walls and slab 3x the wall or slab thickness

Weak storey

A storey whose strength is less than 80% of the strength of the storey

Short column

A thick column subject to failure by crushing

L/28

Minimum one way slab thickness both end continuous

4.8 kpa

Minimum live loads for parking garages and ramp

Joints

Is a portion of structure common to intersecting members

1.9 kpa

Minimum building code requirement for residential live loads