Unimelb Construction Design A1 2021

ABPL 30041 - Construction Design, 2021 Sem 2 Assignment 1

Model: FOUNDATIONS - UP TO AND INCLUDING GROUND FLOOR (Zone D) Ying Lee - 1068215 Tutorial 5 Tutor: Zeljko Trkulja At Studio Link: https://at.studio/t05abpl30041-21-sm2#model=9f3561c0ffa3-11eb-843f-891041bdc36e

1. Site Overview

1

1 2

2 H

3

South-West Isometric

H

3

South-East Isometric

Scale - 1:20 on A1

1. Site Overview

H 3

3 2 1

North-East Isometric

1

2

H

North-West Isometric

Scale - 1:20 on A1

2. Foundation Condition

Crushed Rock Grain size: 2-4mm Medium dense

Silty Clay Grain size: 0.002-0.005mm Stiff but moist

Weathered Clay Grain size: 0.002-0.005mm Stiff, moist and extremely weathered clay

Extremely Weathered Siltstone Soil Layering according borelog investigations

Grain size: 0.004-0.063mm Very low rock strength

2. Foundation Condition

Silty Clay

Weathered Clay

Extremely Weathered Siltstone

Angle of Repose for the different soil layer, showing the safe region of excavation to prevent materials from sliding

3. Latent Condition

Presence of tree roots and rock floater

4. Footing Systems

Pad Footing 6 for load bearing columns

Pad Footing 8 for external steel columns

Bored Pier 1 for vertical load transfer within the building

4. Footing Systems

Edge beam 1

Details of stirrups used to resist shear force and hold reinforcements together

4. Footing Systems

Possible failure of Pad Footing 6 if not extended down to extremely weathered siltstone to reach acquired bearing capacity

5. Moisture Control

Waterproof membrane wrapping underneath concrete slabs and footings

Long term damage to concrete and reinforcements due to moisture ingress

6. Suspended Slab

Construction Joint

Internal of Suspended Slab showing load are not transferred directly into the ground.

Construction Joint with Bored Pier 1, indicating different concrete pouring sequence

7. Positive and Negative Bending

Negative Bending

Negative Bending

Positive Bending

Positive bending taking place near mid-span of slab while negative bending at the supports (edge beam and bored pier)

8. Other Detail

Reinforcements and starter bars set up for precast wall installation for the lift well