1. STRUCTURAL
CONCEPT
Cityland MART
VPKC3 - VNCC

2. Soil Condition Piling Foundation Framing options Span length Steel Structure Loading Codes RFI to Clients

3. SOIL CONDITION
Clay
WEAK
40m depth

4. PILING
Bored Pile
Jacking Pile
R.C pile
P.C pile

5. CALCULATION MODEL

6. PILING

7. PILING Bored Pile D800 Depth >45m 1 column 1 pile 1 pile = 450Ton
Too much for some Cols

8. PILING Driven Pile: Hammer NOISY AFFECT TO SURROUNDING NOT FLEXIBLE
FIT FOR STIFFER SOILS

9. PILING Jacking Pile SELECT P.H.C PILE Work same Same price Faster R.C

10. 12m
50T
30m
120T

11. PILING PLAN D350: 24 no. 1 pile 1 column D450: 248 no.
for columns support RC slabs
PILING PLAN

12. COMPARE PILING OPTIONS
Bored Pile
Jacking Pile
D800
D350
D450
Number
117 24
248
Depth of 1 pile (m) 45 12 30
Total Depth (m)
3273
288
7440
Unit price (Mil. VND/m depth)
4.12
0.35
0.62
Price (Mil. VND)
13,485
101
4,613
4,714
* Roughly estimate
→ SELECT
P.H.C PILE

13. SLAB ON GRADE 1st Floor Slab on grade (SOG)
Separate with Foundations for Columns
Use SOG to support 1FL walls

14. CONCRETE FRAMING OPTIONS
Girder: 1200x700, 1000x700
Slab: 270mm
Girder: 700x700 Beam: 500x700
Slab: 200mm
Flat Slab: 250mm
SECONDARY
BEAMS
POST TENSION
SLAB
2-WAY SLAB

15. CONCRETE FRAMING OPTIONS
Deflection: 45mm
Deflection: 44mm
Deflection: 42mm
SECONDARY
BEAMS
POST TENSION
SLAB
2-WAY SLAB

16. CONCRETE FRAMING OPTIONS
Bigger size
Heavier
Lighter
More beams
More formworks
Least formwork
More complicate
May be slower
Expensive Materials
SECONDARY
BEAMS
POST TENSION
SLAB
2-WAY SLAB

17. COMPARE FRAMING OPTIONS
Roughly estimate
For 891m2 floor
Category
2-way slab
Secondary beams
Post-tension Flat slab
Unit
Slab
Concrete
Quantity
240.57
178.2
222.75 m3
Price
628.85
465.81
735.08
Mil. VND
Rebar
13995
15489
7970 kg
349.88
387.23
199.25
Formwork
734.4
765.6
891 m2
113.10
117.90
137.21
Beams
89.88
289.73
234.95
20662
17164
516.55
429.10
506.66
76.86
86.13
Tendon
11480
855.69
Total price
Total unit price
2.22
1.93
2.16
Mil. VND/m2
→ SELECT Slab with secondary beams

18. Compare to COMPOSITE STRUCTURE
Composite Steel Deck slab
Columns can be steel
Price ≈2 mil.VND/m2 (excluded
Fire protection)
* Based on quotation of the contractor
Reduce load
More complicate, Slower

19. SPAN LENGTH Efficient span: 2x9m = 18m
Create enough space for 1FL Mart
Use Continuous Steel roof girder

20. STEEL STRUCTURE
STEEL GIRDER span 18m
Fast, Easy for construct

21. STEEL STRUCTURE SPACE FRAME FLAT TRUSS Complex, Slow down construction
Only suitable for large span, 54m eg.

22. PURLIN STRUCTURE Cold-form Z, C profiles
Suitable for column pitch 6-7m
Select Hot rolled I profiles
To support wind loads in large span 11m

23. POLE SIGN STRUCTURE Steel Hollow column for Pole
Small steel shape truss for Sign

24. EXPANSION JOINTS IN R.C SLAB
Double the columns
2 cols 1 pile cap
PROPOSED LAYOUT

25. DESIGN CODES
US. Codes for structural design Compatible with Korean standard Concrete: ACI Steel: AISC LRFD Wind load: ASCE 7-05 Seismic load: UBC 97 Load combinations: UBC 97

26. LIVE LOAD 1st Floor SDL: Superimposed Dead load
LL: Live load (by Code)

27. LIVE LOAD 2nd Floor SDL: Superimposed Dead load
LL: Live load (by code)

28. WIND LOAD
Code: ASCE 7-05

29. SEISMIC LOAD
Code: UBC 97

30. RFI to Client
Live loads on Mart Client to confirm use US code with Authorities