vetiver system for bridge abutment stabilisation
TRANSCRIPT
![Page 1: VETIVER SYSTEM FOR BRIDGE ABUTMENT STABILISATION](https://reader030.vdocuments.mx/reader030/viewer/2022021305/620736538073802e7f3f28e6/html5/thumbnails/1.jpg)
VETIVER SYSTEM FOR
BRIDGE ABUTMENT STABILISATION
Dr. Paul TruongVeticon Consulting P/L
www.uqconnect.net/veticonBrisbane, Australia.
All materials in this document remain the property of Veticon Consulting Pty Ltd. Permission must be obtained for their use. Copyright © 2007
![Page 2: VETIVER SYSTEM FOR BRIDGE ABUTMENT STABILISATION](https://reader030.vdocuments.mx/reader030/viewer/2022021305/620736538073802e7f3f28e6/html5/thumbnails/2.jpg)
![Page 3: VETIVER SYSTEM FOR BRIDGE ABUTMENT STABILISATION](https://reader030.vdocuments.mx/reader030/viewer/2022021305/620736538073802e7f3f28e6/html5/thumbnails/3.jpg)
Severe erosion on the abutment of the Coolumboola Creek bridge near Miles.
![Page 4: VETIVER SYSTEM FOR BRIDGE ABUTMENT STABILISATION](https://reader030.vdocuments.mx/reader030/viewer/2022021305/620736538073802e7f3f28e6/html5/thumbnails/4.jpg)
![Page 5: VETIVER SYSTEM FOR BRIDGE ABUTMENT STABILISATION](https://reader030.vdocuments.mx/reader030/viewer/2022021305/620736538073802e7f3f28e6/html5/thumbnails/5.jpg)
Erosion was caused by the change in flow direction
Eroded area
Flow
![Page 6: VETIVER SYSTEM FOR BRIDGE ABUTMENT STABILISATION](https://reader030.vdocuments.mx/reader030/viewer/2022021305/620736538073802e7f3f28e6/html5/thumbnails/6.jpg)
Vetiver was planted in contour rows to stabilise the batter and cross rows to reduce flow velocity
![Page 7: VETIVER SYSTEM FOR BRIDGE ABUTMENT STABILISATION](https://reader030.vdocuments.mx/reader030/viewer/2022021305/620736538073802e7f3f28e6/html5/thumbnails/7.jpg)
![Page 8: VETIVER SYSTEM FOR BRIDGE ABUTMENT STABILISATION](https://reader030.vdocuments.mx/reader030/viewer/2022021305/620736538073802e7f3f28e6/html5/thumbnails/8.jpg)
Cross rows are most effective when planted right angle to flow direction
![Page 9: VETIVER SYSTEM FOR BRIDGE ABUTMENT STABILISATION](https://reader030.vdocuments.mx/reader030/viewer/2022021305/620736538073802e7f3f28e6/html5/thumbnails/9.jpg)
One month after planting
![Page 10: VETIVER SYSTEM FOR BRIDGE ABUTMENT STABILISATION](https://reader030.vdocuments.mx/reader030/viewer/2022021305/620736538073802e7f3f28e6/html5/thumbnails/10.jpg)
Six month after planting
![Page 11: VETIVER SYSTEM FOR BRIDGE ABUTMENT STABILISATION](https://reader030.vdocuments.mx/reader030/viewer/2022021305/620736538073802e7f3f28e6/html5/thumbnails/11.jpg)
18 months after planting
![Page 12: VETIVER SYSTEM FOR BRIDGE ABUTMENT STABILISATION](https://reader030.vdocuments.mx/reader030/viewer/2022021305/620736538073802e7f3f28e6/html5/thumbnails/12.jpg)
18 months after planting, note the bare area between rows (brown off during winter)
![Page 13: VETIVER SYSTEM FOR BRIDGE ABUTMENT STABILISATION](https://reader030.vdocuments.mx/reader030/viewer/2022021305/620736538073802e7f3f28e6/html5/thumbnails/13.jpg)
There were several big flows during the first summer and no damages were noted. This abutment is now well protected by these mature vetiver.
![Page 14: VETIVER SYSTEM FOR BRIDGE ABUTMENT STABILISATION](https://reader030.vdocuments.mx/reader030/viewer/2022021305/620736538073802e7f3f28e6/html5/thumbnails/14.jpg)
Five years after planting (Summer)
![Page 15: VETIVER SYSTEM FOR BRIDGE ABUTMENT STABILISATION](https://reader030.vdocuments.mx/reader030/viewer/2022021305/620736538073802e7f3f28e6/html5/thumbnails/15.jpg)
![Page 16: VETIVER SYSTEM FOR BRIDGE ABUTMENT STABILISATION](https://reader030.vdocuments.mx/reader030/viewer/2022021305/620736538073802e7f3f28e6/html5/thumbnails/16.jpg)
![Page 17: VETIVER SYSTEM FOR BRIDGE ABUTMENT STABILISATION](https://reader030.vdocuments.mx/reader030/viewer/2022021305/620736538073802e7f3f28e6/html5/thumbnails/17.jpg)
NEW GATTON BYPASS
SANDY CREEK BRIDGE ABUTMENT
(Under Old Bridge)
![Page 18: VETIVER SYSTEM FOR BRIDGE ABUTMENT STABILISATION](https://reader030.vdocuments.mx/reader030/viewer/2022021305/620736538073802e7f3f28e6/html5/thumbnails/18.jpg)
Flash flood undercut abutment
![Page 19: VETIVER SYSTEM FOR BRIDGE ABUTMENT STABILISATION](https://reader030.vdocuments.mx/reader030/viewer/2022021305/620736538073802e7f3f28e6/html5/thumbnails/19.jpg)
Planting on 3 Dec 2002
![Page 20: VETIVER SYSTEM FOR BRIDGE ABUTMENT STABILISATION](https://reader030.vdocuments.mx/reader030/viewer/2022021305/620736538073802e7f3f28e6/html5/thumbnails/20.jpg)
One week after planting
![Page 21: VETIVER SYSTEM FOR BRIDGE ABUTMENT STABILISATION](https://reader030.vdocuments.mx/reader030/viewer/2022021305/620736538073802e7f3f28e6/html5/thumbnails/21.jpg)
![Page 22: VETIVER SYSTEM FOR BRIDGE ABUTMENT STABILISATION](https://reader030.vdocuments.mx/reader030/viewer/2022021305/620736538073802e7f3f28e6/html5/thumbnails/22.jpg)
One month after planting
![Page 23: VETIVER SYSTEM FOR BRIDGE ABUTMENT STABILISATION](https://reader030.vdocuments.mx/reader030/viewer/2022021305/620736538073802e7f3f28e6/html5/thumbnails/23.jpg)
Seven weeks after planting, more than 30cm growth
![Page 24: VETIVER SYSTEM FOR BRIDGE ABUTMENT STABILISATION](https://reader030.vdocuments.mx/reader030/viewer/2022021305/620736538073802e7f3f28e6/html5/thumbnails/24.jpg)
Three months after planting
![Page 25: VETIVER SYSTEM FOR BRIDGE ABUTMENT STABILISATION](https://reader030.vdocuments.mx/reader030/viewer/2022021305/620736538073802e7f3f28e6/html5/thumbnails/25.jpg)
One year after planting and through several flash floods
![Page 26: VETIVER SYSTEM FOR BRIDGE ABUTMENT STABILISATION](https://reader030.vdocuments.mx/reader030/viewer/2022021305/620736538073802e7f3f28e6/html5/thumbnails/26.jpg)
NEW GATTON BYPASS
SANDY CREEK BRIDGE ABUTMENT
(Under New Bridge)
![Page 27: VETIVER SYSTEM FOR BRIDGE ABUTMENT STABILISATION](https://reader030.vdocuments.mx/reader030/viewer/2022021305/620736538073802e7f3f28e6/html5/thumbnails/27.jpg)
Undercut shotcrete and unprotected batter
![Page 28: VETIVER SYSTEM FOR BRIDGE ABUTMENT STABILISATION](https://reader030.vdocuments.mx/reader030/viewer/2022021305/620736538073802e7f3f28e6/html5/thumbnails/28.jpg)
New abutment under new bridge built parallel to the old bridge
![Page 29: VETIVER SYSTEM FOR BRIDGE ABUTMENT STABILISATION](https://reader030.vdocuments.mx/reader030/viewer/2022021305/620736538073802e7f3f28e6/html5/thumbnails/29.jpg)
![Page 30: VETIVER SYSTEM FOR BRIDGE ABUTMENT STABILISATION](https://reader030.vdocuments.mx/reader030/viewer/2022021305/620736538073802e7f3f28e6/html5/thumbnails/30.jpg)
Planting on 24 November 2003
![Page 31: VETIVER SYSTEM FOR BRIDGE ABUTMENT STABILISATION](https://reader030.vdocuments.mx/reader030/viewer/2022021305/620736538073802e7f3f28e6/html5/thumbnails/31.jpg)
![Page 32: VETIVER SYSTEM FOR BRIDGE ABUTMENT STABILISATION](https://reader030.vdocuments.mx/reader030/viewer/2022021305/620736538073802e7f3f28e6/html5/thumbnails/32.jpg)
![Page 33: VETIVER SYSTEM FOR BRIDGE ABUTMENT STABILISATION](https://reader030.vdocuments.mx/reader030/viewer/2022021305/620736538073802e7f3f28e6/html5/thumbnails/33.jpg)
Four months after planting
![Page 34: VETIVER SYSTEM FOR BRIDGE ABUTMENT STABILISATION](https://reader030.vdocuments.mx/reader030/viewer/2022021305/620736538073802e7f3f28e6/html5/thumbnails/34.jpg)
Four months after planting
![Page 35: VETIVER SYSTEM FOR BRIDGE ABUTMENT STABILISATION](https://reader030.vdocuments.mx/reader030/viewer/2022021305/620736538073802e7f3f28e6/html5/thumbnails/35.jpg)
One year after planting
![Page 36: VETIVER SYSTEM FOR BRIDGE ABUTMENT STABILISATION](https://reader030.vdocuments.mx/reader030/viewer/2022021305/620736538073802e7f3f28e6/html5/thumbnails/36.jpg)
![Page 37: VETIVER SYSTEM FOR BRIDGE ABUTMENT STABILISATION](https://reader030.vdocuments.mx/reader030/viewer/2022021305/620736538073802e7f3f28e6/html5/thumbnails/37.jpg)
Bridge Abutment Coomera Creek,
Brisbane – Robina Rail line
![Page 38: VETIVER SYSTEM FOR BRIDGE ABUTMENT STABILISATION](https://reader030.vdocuments.mx/reader030/viewer/2022021305/620736538073802e7f3f28e6/html5/thumbnails/38.jpg)
Coomera Creek, Queensland Rail, Brisbane – Robina line
![Page 39: VETIVER SYSTEM FOR BRIDGE ABUTMENT STABILISATION](https://reader030.vdocuments.mx/reader030/viewer/2022021305/620736538073802e7f3f28e6/html5/thumbnails/39.jpg)
Five months after planting
![Page 40: VETIVER SYSTEM FOR BRIDGE ABUTMENT STABILISATION](https://reader030.vdocuments.mx/reader030/viewer/2022021305/620736538073802e7f3f28e6/html5/thumbnails/40.jpg)
Mangrove seedlings
![Page 41: VETIVER SYSTEM FOR BRIDGE ABUTMENT STABILISATION](https://reader030.vdocuments.mx/reader030/viewer/2022021305/620736538073802e7f3f28e6/html5/thumbnails/41.jpg)
One year after planting
![Page 42: VETIVER SYSTEM FOR BRIDGE ABUTMENT STABILISATION](https://reader030.vdocuments.mx/reader030/viewer/2022021305/620736538073802e7f3f28e6/html5/thumbnails/42.jpg)
Opposite side
![Page 43: VETIVER SYSTEM FOR BRIDGE ABUTMENT STABILISATION](https://reader030.vdocuments.mx/reader030/viewer/2022021305/620736538073802e7f3f28e6/html5/thumbnails/43.jpg)
Five months after planting
![Page 44: VETIVER SYSTEM FOR BRIDGE ABUTMENT STABILISATION](https://reader030.vdocuments.mx/reader030/viewer/2022021305/620736538073802e7f3f28e6/html5/thumbnails/44.jpg)
Bridge abutment of a tidal creek in north Queensland
![Page 45: VETIVER SYSTEM FOR BRIDGE ABUTMENT STABILISATION](https://reader030.vdocuments.mx/reader030/viewer/2022021305/620736538073802e7f3f28e6/html5/thumbnails/45.jpg)
Vetiver was planted in both directions between the rocks to to stop them moving
![Page 46: VETIVER SYSTEM FOR BRIDGE ABUTMENT STABILISATION](https://reader030.vdocuments.mx/reader030/viewer/2022021305/620736538073802e7f3f28e6/html5/thumbnails/46.jpg)
Vetiver
Tingalpa creek, Brisbane
Bridge