Soil bioengineering techniques implemented at ... · Soil bioengineering techniques implemented: A. To protect slopes from superficial erosion 1. Sowings with straw mulch and straw

Photographs taken by

CEABN, ISA:

Carlo Bifulco

Anabela Marcos Pereira

Francisco Chagas Correia

Infraestruturas de Portugal SA (ex- Estradas de Portugal SA):

Vera Calado Ferreira

Ana Marta Mota

Soil bioengineering techniques

implemented at Malveira junction

A21 Highway, Lisboa- Ericeira:

January 2013

February 2014

August 2012

January 2013

August 2012

August 2012

August 2012

August 2012

August 2012

January 2013

February 2014

January 2013

January 2013

August 2012

January 2013

August 2014

August 2014

August 2014

November 2014

November 2014

November 2014

Soil bioengineering techniques implemented:

A. To protect slopes from superficial erosion

1. Sowings with straw mulch and straw mat

June 2014

July 2014

June 2014

May 2015

June 2014

A. To protect slopes from superficial erosion

2. Hydroseedings

December 2014

January 2015

June 2014

February 2015

A. To protect slopes from superficial erosion

3. Hydroseedings on geogrid

May 2014

May 2014

January 2015

B. To stabilize slopes

4. Hedge brush layers

July 2014

September 2014

March 2015

April 2015

B. To stabilize slopes

5. Shrub planting

November 2014

January 2015

April 2015January 2015

C. To consolidate slopes

6. Live gabions

July 2014

June 2014

January 2015 April 2015

May 2014

C. To consolidate slopes

7. Live wooden groundsills

August 2014

November 2014

July 2014

April 2015

D. To protect from erosion temporary water runoffs

Janeiro 2015

8. Live mattress

Janeiro 2015

D. To protect from erosion temporary water runoffs

May 2015

July 2014

February 2015

9. Live rough bed channels

D. To protect from erosion temporary water runoffs

10. Live comb

February 2015

July 2014

August 2014