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Aloísio Rodrigues Pereira
Paula Leão R. Pereira
Fernanda Leão R. Pereira
THE USES OF VETIVER GRASS FOR STABILIZATION OF
SLOPE, HILLSIDES AND DEGRADED AREAS IN BRAZIL.
30
Belo Horizonte, 12 de setembro de 2013. © Deflor, 2013
Introduction of Vetiver Grass in Brazil.
Restriction and Approval of the vetiver Grass at the
Brazilian Environmental agencies
Plant nurseries producing Vetiver Grass in Brazil
Application of the Vetiver Grass in works and projects of
engineering in Brazil
Belo Horizonte, 12 de setembro de 2013. © Deflor, 2013
VETIVER SEEDLING PRODUCTION SYSTEM
Bare Roots
In Polybags In Tubes
In Plástic tray In Vegetative Strips
Belo Horizonte, 12 de setembro de 2013. © Deflor, 2013
EFFECT ON VETIVER SLOPE STABILITY IN BRAZIL
2 4 6
< 30º 7,80 8,93 10,00 3,30
30 - 45º 6,76 7,95 9,01 2,91
>45º 5,95 7,31 8,70 2,60
24,60 33,90 36,20 19,30
FATOR DE SEGURANÇA (FS)
COM VETIVERSEM VETIVER
ÂNGULO ATRITO (º)
VARIÁVEIS
IDADE (ANOS)
IN
CL
IN
AÇ
ÃO
Fonte: PEREIRA, A.R (2013)
Belo Horizonte, 12 de setembro de 2013. © Deflor, 2013
ELEMENTO FOLHA CAULE RAIZ TOTAL
Cádmo 3,70 25,20 42,10 71,00
Cromo 3,94 38,70 51,36 94,00
Niquel 4,15 22,27 51,58 78,00
Chumbo 7,43 22,85 39,72 70,00
Zinco 4,60 37,78 50,62 93,00
EFICIÊNCIA DE REMOÇÃO (%)
EFFICIENCY IN HEAVY METAL REMOVAL BY ONE YEAR
OLD VETIVER PLANTS
Fonte: PEREIRA, A.R (2013)
Belo Horizonte, 12 de setembro de 2013. © Deflor, 2013
REHABILITATION OF WATER COURSES
Landfill slope protection
Established Vetiver barriers on slopes Water course bank protection
Vetiver root
system
Belo Horizonte, 12 de setembro de 2013. © Deflor, 2013
VETIVER AND GABION IN PROTECTION OF
WATER COURSES
Belo Horizonte, 12 de setembro de 2013. © Deflor, 2013
VETIVER FOR BEACH PROTECTION IN
COASTAL ZONES
January 2010
Before
Belo Horizonte, 12 de setembro de 2013. © Deflor, 2013
VETIVER FOR BEACH PROTECTION IN
COASTAL ZONES
January 2010
Before
Belo Horizonte, 12 de setembro de 2013. © Deflor, 2013
VETIVER FOR BEACH PROTECTION IN
COASTAL ZONES
Before
Three months later
Belo Horizonte, 12 de setembro de 2013. © Deflor, 2013
VETIVER FOR BEACH PROTECTION IN
COASTAL ZONES
Three years later
Before
Belo Horizonte, 12 de setembro de 2013. © Deflor, 2013
VETIVER FOR BEACH PROTECTION IN
COASTAL ZONES
Six years later
April 2015
Belo Horizonte, 12 de setembro de 2013. © Deflor, 2013
VETIVER FOR BEACH PROTECTION IN
COASTAL ZONES
Six years later
April 2015
Belo Horizonte, 12 de setembro de 2013. © Deflor, 2013
REHABILITATION OF WATER COURSE BANKS
SOLO ENVELOPADO VERDE
BROTAÇÃO ESTACAS VIVAS SOLO ENVELOPADO VERDE
IMPLANTAÇÃO ESTACAS VIVAS
Belo Horizonte, 12 de setembro de 2013. © Deflor, 2013
CASE STUDY
Dredging and ongoing protection of water quality with
use of Sediment retainers type Bermalonga®
Belo Horizonte, 12 de setembro de 2013. © Deflor, 2013
Rehabilitation, protection and slope covering on railway line
Construção de drenagem
Acerto manual do terreno
Paliçadas
Revegetação com sementes e mudas
Aplicação de Biomanta Antierosiva
BIOENGINEERING TECHNIQUES IN
EROSION CONTROL
Belo Horizonte, 12 de setembro de 2013. © Deflor, 2013
Rehabilitation, protection and slope covering on highway
BIOENGINEERING TECHNIQUES IN
EROSION CONTROL
6 months later - April 2015
November 2014
Belo Horizonte, 12 de setembro de 2013. © Deflor, 2013
UHE - ITUMBIARA, GO.
Foto 1 –General view of erosion Foto 2 – Details of erosion (inner walls)
Foto 3 – Detail of the interior of
erosion
Foto 4 –Mechanical earthwork at the
beginning of the walls of erosion
CASE STUDY