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NORTH KIAMA BYPASS. Geometric Constraints lead to an Innovative Precast Concrete Segmental Arch Tunnel. Presented by: Paul Quach. 1985. 1995. 2005. History. 1986 - Princes Highway not to be widened. 1990 - Extensive route study. 1991 - EIS. - PowerPoint PPT Presentation
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1October 05
NORTH KIAMA BYPASS
Geometric Constraints lead to an Innovative Precast Concrete
Segmental Arch Tunnel
Presented by: Paul Quach
2October 05
1986 - Princes Highway not to be widened
1990 - Extensive route study
1991 - EIS
1996 - Updated EIS and Commission of Inquiry
1997 - Project approval by NSW Min. Urban Affairs and Planning
19851985 19951995 20052005
2001 - Funding Granted
History
3October 05
• $178M, 7.6km, 4 lane link from Dunmore to Kiama• Three Interchanges
– Bombo– Swamp Road– Shellharbour & Tabbitta Roads
• Off Ramp at Bombo rail Station• On-road Cycle ways• Bridges at Bombo Access
– Panama Street– Bombo Beach Access Road– Bombo Quarry Rail Siding (Tunnel)
North Kiama Bypass
4October 05
NORTH KIAMA BYPASS: BOMBO ACCESSNORTH KIAMA BYPASS: BOMBO ACCESS
Design ConstructionStaging
5October 05
Reference: www.expedia.com
KIAMA
Site Location
6October 05
Site Location
7October 05
North Kiama Bypass
8October 05
North Kiama Bypass
9October 05
NORTH KIAMA BYPASS: BOMBO ACCESSNORTH KIAMA BYPASS: BOMBO ACCESS
Staging
10October 05
Staging
11October 05
Staging
Stage 1 Construction
12October 05
Staging
Stage 1 Construction
13October 05
Staging
Stage 2 Construction
14October 05
NORTH KIAMA BYPASS: BOMBO ACCESSNORTH KIAMA BYPASS: BOMBO ACCESS
DesignStaging
15October 05
Design
16October 05
Design
17October 05
Design
18October 05
Design
B
A
19October 05
Design
A B
20October 05
Design
B
A
21October 05
Design
A B
22October 05
• 3D Analysis of End Structures• Development of mesh • Pre-cast arch panels• In-situ collar• Complete model• M1600 wheel load positions• Analysis results
– deflection, 100 x magnification– Plate bending moments
Design
23October 05
Design
24October 05
Design
25October 05
Design
26October 05
Design
27October 05
Design
28October 05
Design
29October 05
Design
30October 05
Design
31October 05
Design
32October 05
NORTH KIAMA BYPASS: BOMBO ACCESSNORTH KIAMA BYPASS: BOMBO ACCESS
Design ConstructionStaging
33October 05
Construction
34October 05
Construction
35October 05
Construction
36October 05
Construction
37October 05
Construction
38October 05
Construction
39October 05
Construction
40October 05
Construction
41October 05
Construction
42October 05
Construction
43October 05
Construction
44October 05
Completed Project
45October 05
Completed Project
46October 05
Thank you
PAUL QUACHBusiness Development Manager
The Reinforced Earth Company2/20 George StreetHornsby, NSW2077
Tel. +61 2 9910 9910Fax.+61 2 9910 9999
pquach@reco.com.auwww.reco.com.auwww.rta.nsw.gov.au
• Statistics– Permanent Walls
• 2400m²• 7m max height
– Temporary Walls• 1200m²• 8m max height
– Tunnel• 70m long• 13m Span• 6m High
47October 05
NORTH KIAMA BYPASSAcknowledgements
• Owner– Roads & Traffic
Authority NSW
• Head Contractor– John Holland Pty Ltd
• Primary Designer– Hughes Trueman– Brian Bourne
• Geotechnical– D. J. Douglas &
Partners
• Design and supply of walls and tunnel– The Reinforced
Earth Company– Sub-consultants and
suppliers• 3D Analysis of Tunnel
by Interactive Design Services
• Geotechnical by M.A.Adler & Associates
• Design Verification by Cardno MBK
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