mecanismo de instablização

Observaes dos tipos de escorregamentosOcorrem no perodo das chuvasGeralmente superficiaisNvel de gua profundoOcupao desordenadaFalta de sistemas de drenagem e esgotoSubstituio da vegetao

Distribuio da Coeso (nat.)

Distribuio do ngulo de Atrito (nat.)

Distribuio daCoeso (sat.)

Distribuio dongulo de Atrito (sat.)

Distribuio Sazonal (78-88) PrecipitaoAcidentes

Grfico1

00

012.1212121212

0.378787878827.2727272727

0.378787878827.6515151515

0.378787878827.6515151515

0.378787878828.0303030303

0.757575757628.7878787879

3.030303030331.0606060606

2.651515151533.3333333333

11.363636363644.696969697

12.878787878850.7575757576

14.393939393958.3333333333

17.424242424267.4242424242

17.80303030368.1818181818

18.181818181872.7272727273

18.939393939473.4848484848

19.318181818276.5151515152

19.69696969777.2727272727

19.69696969778.0303030303

19.69696969782.5757575758

19.69696969787.1212121212

21.969696969787.8787878788

23.484848484890.9090909091

33.333333333396.9696969697

44.69696969798.4848484848

64.393939393999.2424242424

71.969696969799.2424242424

79.545454545599.2424242424

93.939393939499.2424242424

100100

%acidente

% chuva

dia

porcentagem

Grfico2

110669

125547

1985179

44861675

3332861

2863209

2041200

138535

122036

115382

146690

92928

Chuva

Desliz.

Mes

Precipitao

N deslizamento

Grfico3

228123

156549

1964100

149328

177161

158248

2438921

27021427

2316399

1541203

2136252

Chuva

Desliz.

Ano

Precipitao

N deslizamento

Grfico4

0.084

0.782

0.077

0.057

Deslizamento

Grfico5

0.1871581758

0.4599715775

0.200077516

0.1527927307

Chuva

Plan1

Dia123456789101112131415161718192021222324252627282930

acidente000.50.50.50.5143.51517192323.5242525.526262626293144598595105124132

%acidente000.37878787880.37878787880.37878787880.37878787880.75757575763.03030303032.651515151511.363636363612.878787878814.393939393917.424242424217.80303030318.181818181818.939393939419.318181818219.69696969719.69696969719.69696969719.69696969721.969696969723.484848484833.333333333344.69696969764.393939393971.969696969779.545454545593.9393939394100

chuva0163636.536.53738414459677789909697101102103109115116120128130131131131131132

% chuva012.121212121227.272727272727.651515151527.651515151528.030303030328.787878787931.060606060633.333333333344.69696969750.757575757658.333333333367.424242424268.181818181872.727272727373.484848484876.515151515277.272727272778.030303030382.575757575887.121212121287.878787878890.909090909196.969696969798.484848484899.242424242499.242424242499.242424242499.2424242424100

dia123456789101112131415161718192021222324252627282930

%acidente000.37878787880.37878787880.37878787880.37878787880.75757575763.03030303032.651515151511.363636363612.878787878814.393939393917.424242424217.80303030318.181818181818.939393939419.318181818219.69696969719.69696969719.69696969719.69696969721.969696969723.484848484833.333333333344.69696969764.393939393971.969696969779.545454545593.9393939394100

% chuva012.121212121227.272727272727.651515151527.651515151528.030303030328.787878787931.060606060633.333333333344.69696969750.757575757658.333333333367.424242424268.181818181872.727272727373.484848484876.515151515277.272727272778.030303030382.575757575887.121212121287.878787878890.909090909196.969696969798.484848484899.242424242499.242424242499.242424242499.2424242424100

msJanFevMarAbrMaiJunJulAgoSetOutNovDez

Chuva11061255198544863332286320411385122011531466929

Desliz.694717916758612092003536829028

Ano7879808182838485868788

Chuva22811565196414931771158224382702231615412136

Desliz.23491002861489211427399203252

PerodoJan-MarAbr-JunJul-SetOut-Dez

Deslizamento8.40%78.20%7.70%5.70%

Chuva43461068146463548


Chuva0.18715817580.45997157750.2000775160.1527927307

Plan2

Plan3

Grfico1

00

012.1212121212

0.378787878827.2727272727

0.378787878827.6515151515

0.378787878827.6515151515

0.378787878828.0303030303

0.757575757628.7878787879

3.030303030331.0606060606

2.651515151533.3333333333

11.363636363644.696969697

12.878787878850.7575757576

14.393939393958.3333333333

17.424242424267.4242424242

17.80303030368.1818181818

18.181818181872.7272727273

18.939393939473.4848484848

19.318181818276.5151515152

19.69696969777.2727272727

19.69696969778.0303030303

19.69696969782.5757575758

19.69696969787.1212121212

21.969696969787.8787878788

23.484848484890.9090909091

33.333333333396.9696969697

44.69696969798.4848484848

64.393939393999.2424242424

71.969696969799.2424242424

79.545454545599.2424242424

93.939393939499.2424242424

100100

%acidente

% chuva

dia

porcentagem

Grfico2

110669

125547

1985179

44861675

3332861

2863209

2041200

138535

122036

115382

146690

92928

Chuva

Desliz.

Mes

Precipitao

N deslizamento

Grfico3

228123

156549

1964100

149328

177161

158248

2438921

27021427

2316399

1541203

2136252

Chuva

Desliz.

Ano

Precipitao

N deslizamento

Grfico4

0.084

0.782

0.077

0.057

Deslizamento

Plan1

Dia123456789101112131415161718192021222324252627282930

acidente000.50.50.50.5143.51517192323.5242525.526262626293144598595105124132

%acidente000.37878787880.37878787880.37878787880.37878787880.75757575763.03030303032.651515151511.363636363612.878787878814.393939393917.424242424217.80303030318.181818181818.939393939419.318181818219.69696969719.69696969719.69696969719.69696969721.969696969723.484848484833.333333333344.69696969764.393939393971.969696969779.545454545593.9393939394100

chuva0163636.536.53738414459677789909697101102103109115116120128130131131131131132

% chuva012.121212121227.272727272727.651515151527.651515151528.030303030328.787878787931.060606060633.333333333344.69696969750.757575757658.333333333367.424242424268.181818181872.727272727373.484848484876.515151515277.272727272778.030303030382.575757575887.121212121287.878787878890.909090909196.969696969798.484848484899.242424242499.242424242499.242424242499.2424242424100

dia123456789101112131415161718192021222324252627282930

%acidente000.37878787880.37878787880.37878787880.37878787880.75757575763.03030303032.651515151511.363636363612.878787878814.393939393917.424242424217.80303030318.181818181818.939393939419.318181818219.69696969719.69696969719.69696969719.69696969721.969696969723.484848484833.333333333344.69696969764.393939393971.969696969779.545454545593.9393939394100

% chuva012.121212121227.272727272727.651515151527.651515151528.030303030328.787878787931.060606060633.333333333344.69696969750.757575757658.333333333367.424242424268.181818181872.727272727373.484848484876.515151515277.272727272778.030303030382.575757575887.121212121287.878787878890.909090909196.969696969798.484848484899.242424242499.242424242499.242424242499.2424242424100


Chuva11061255198544863332286320411385122011531466929

Desliz.694717916758612092003536829028

Ano7879808182838485868788

Chuva22811565196414931771158224382702231615412136

Desliz.23491002861489211427399203252


Deslizamento8.40%78.20%7.70%5.70%

Plan2

Plan3

Ocorrncias de chuvas e deslizamentos (78-88)

Grfico1

00

012.1212121212

0.378787878827.2727272727

0.378787878827.6515151515

0.378787878827.6515151515

0.378787878828.0303030303

0.757575757628.7878787879

3.030303030331.0606060606

2.651515151533.3333333333

11.363636363644.696969697

12.878787878850.7575757576

14.393939393958.3333333333

17.424242424267.4242424242

17.80303030368.1818181818

18.181818181872.7272727273

18.939393939473.4848484848

19.318181818276.5151515152

19.69696969777.2727272727

19.69696969778.0303030303

19.69696969782.5757575758

19.69696969787.1212121212

21.969696969787.8787878788

23.484848484890.9090909091

33.333333333396.9696969697

44.69696969798.4848484848

64.393939393999.2424242424

71.969696969799.2424242424

79.545454545599.2424242424

93.939393939499.2424242424

100100

%acidente

% chuva

dia

porcentagem

Grfico2

110669

125547

1985179

44861675

3332861

2863209

2041200

138535

122036

115382

146690

92928

Chuva

Desliz.

Mes

Precipitao

N deslizamento

Grfico3

228123

156549

1964100

149328

177161

158248

2438921

27021427

2316399

1541203

2136252

Chuva

Desliz.

Ano

Precipitao

N deslizamento

Plan1

Dia123456789101112131415161718192021222324252627282930

acidente000.50.50.50.5143.51517192323.5242525.526262626293144598595105124132

%acidente000.37878787880.37878787880.37878787880.37878787880.75757575763.03030303032.651515151511.363636363612.878787878814.393939393917.424242424217.80303030318.181818181818.939393939419.318181818219.69696969719.69696969719.69696969719.69696969721.969696969723.484848484833.333333333344.69696969764.393939393971.969696969779.545454545593.9393939394100

chuva0163636.536.53738414459677789909697101102103109115116120128130131131131131132

% chuva012.121212121227.272727272727.651515151527.651515151528.030303030328.787878787931.060606060633.333333333344.69696969750.757575757658.333333333367.424242424268.181818181872.727272727373.484848484876.515151515277.272727272778.030303030382.575757575887.121212121287.878787878890.909090909196.969696969798.484848484899.242424242499.242424242499.242424242499.2424242424100

dia123456789101112131415161718192021222324252627282930

%acidente000.37878787880.37878787880.37878787880.37878787880.75757575763.03030303032.651515151511.363636363612.878787878814.393939393917.424242424217.80303030318.181818181818.939393939419.318181818219.69696969719.69696969719.69696969719.69696969721.969696969723.484848484833.333333333344.69696969764.393939393971.969696969779.545454545593.9393939394100

% chuva012.121212121227.272727272727.651515151527.651515151528.030303030328.787878787931.060606060633.333333333344.69696969750.757575757658.333333333367.424242424268.181818181872.727272727373.484848484876.515151515277.272727272778.030303030382.575757575887.121212121287.878787878890.909090909196.969696969798.484848484899.242424242499.242424242499.242424242499.2424242424100


Chuva11061255198544863332286320411385122011531466929

Desliz.694717916758612092003536829028

Ano7879808182838485868788

Chuva22811565196414931771158224382702231615412136

Desliz.23491002861489211427399203252

Plan2

Plan3

Ocorrncias de chuvas e deslizamentos (78-88)

Grfico1

00

012.1212121212

0.378787878827.2727272727

0.378787878827.6515151515

0.378787878827.6515151515

0.378787878828.0303030303

0.757575757628.7878787879

3.030303030331.0606060606

2.651515151533.3333333333

11.363636363644.696969697

12.878787878850.7575757576

14.393939393958.3333333333

17.424242424267.4242424242

17.80303030368.1818181818

18.181818181872.7272727273

18.939393939473.4848484848

19.318181818276.5151515152

19.69696969777.2727272727

19.69696969778.0303030303

19.69696969782.5757575758

19.69696969787.1212121212

21.969696969787.8787878788

23.484848484890.9090909091

33.333333333396.9696969697

44.69696969798.4848484848

64.393939393999.2424242424

71.969696969799.2424242424

79.545454545599.2424242424

93.939393939499.2424242424

100100

%acidente

% chuva

dia

porcentagem

Grfico2

110669

125547

1985179

44861675

3332861

2863209

2041200

138535

122036

115382

146690

92928

Chuva

Desliz.

Mes

Precipitao

N deslizamento

Plan1

Dia123456789101112131415161718192021222324252627282930

acidente000.50.50.50.5143.51517192323.5242525.526262626293144598595105124132

%acidente000.37878787880.37878787880.37878787880.37878787880.75757575763.03030303032.651515151511.363636363612.878787878814.393939393917.424242424217.80303030318.181818181818.939393939419.318181818219.69696969719.69696969719.69696969719.69696969721.969696969723.484848484833.333333333344.69696969764.393939393971.969696969779.545454545593.9393939394100

chuva0163636.536.53738414459677789909697101102103109115116120128130131131131131132

% chuva012.121212121227.272727272727.651515151527.651515151528.030303030328.787878787931.060606060633.333333333344.69696969750.757575757658.333333333367.424242424268.181818181872.727272727373.484848484876.515151515277.272727272778.030303030382.575757575887.121212121287.878787878890.909090909196.969696969798.484848484899.242424242499.242424242499.242424242499.2424242424100

dia123456789101112131415161718192021222324252627282930

%acidente000.37878787880.37878787880.37878787880.37878787880.75757575763.03030303032.651515151511.363636363612.878787878814.393939393917.424242424217.80303030318.181818181818.939393939419.318181818219.69696969719.69696969719.69696969719.69696969721.969696969723.484848484833.333333333344.69696969764.393939393971.969696969779.545454545593.9393939394100

% chuva012.121212121227.272727272727.651515151527.651515151528.030303030328.787878787931.060606060633.333333333344.69696969750.757575757658.333333333367.424242424268.181818181872.727272727373.484848484876.515151515277.272727272778.030303030382.575757575887.121212121287.878787878890.909090909196.969696969798.484848484899.242424242499.242424242499.242424242499.2424242424100


Chuva11061255198544863332286320411385122011531466929

Desliz.694717916758612092003536829028

Plan2

Plan3

Correlao acidentes x chuvaspara o ms de abril/85

Grfico1

00

012.1212121212

0.378787878827.2727272727

0.378787878827.6515151515

0.378787878827.6515151515

0.378787878828.0303030303

0.757575757628.7878787879

3.030303030331.0606060606

2.651515151533.3333333333

11.363636363644.696969697

12.878787878850.7575757576

14.393939393958.3333333333

17.424242424267.4242424242

17.80303030368.1818181818

18.181818181872.7272727273

18.939393939473.4848484848

19.318181818276.5151515152

19.69696969777.2727272727

19.69696969778.0303030303

19.69696969782.5757575758

19.69696969787.1212121212

21.969696969787.8787878788

23.484848484890.9090909091

33.333333333396.9696969697

44.69696969798.4848484848

64.393939393999.2424242424

71.969696969799.2424242424

79.545454545599.2424242424

93.939393939499.2424242424

100100

%acidente

% chuva

dia

porcentagem

Grfico2

110669

125547

1985179

44861675

3332861

2863209

2041200

138535

122036

115382

146690

92928

Chuva

Desliz.

Mes

Precipitao

N deslizamento

Grfico3

228123

156549

1964100

149328

177161

158248

2438921

27021427

2316399

1541203

2136252

Chuva

Desliz.

Ano

Precipitao

N deslizamento

Plan1

Dia123456789101112131415161718192021222324252627282930

acidente000.50.50.50.5143.51517192323.5242525.526262626293144598595105124132

%acidente000.37878787880.37878787880.37878787880.37878787880.75757575763.03030303032.651515151511.363636363612.878787878814.393939393917.424242424217.80303030318.181818181818.939393939419.318181818219.69696969719.69696969719.69696969719.69696969721.969696969723.484848484833.333333333344.69696969764.393939393971.969696969779.545454545593.9393939394100

chuva0163636.536.53738414459677789909697101102103109115116120128130131131131131132

% chuva012.121212121227.272727272727.651515151527.651515151528.030303030328.787878787931.060606060633.333333333344.69696969750.757575757658.333333333367.424242424268.181818181872.727272727373.484848484876.515151515277.272727272778.030303030382.575757575887.121212121287.878787878890.909090909196.969696969798.484848484899.242424242499.242424242499.242424242499.2424242424100

dia123456789101112131415161718192021222324252627282930

%acidente000.37878787880.37878787880.37878787880.37878787880.75757575763.03030303032.651515151511.363636363612.878787878814.393939393917.424242424217.80303030318.181818181818.939393939419.318181818219.69696969719.69696969719.69696969719.69696969721.969696969723.484848484833.333333333344.69696969764.393939393971.969696969779.545454545593.9393939394100

% chuva012.121212121227.272727272727.651515151527.651515151528.030303030328.787878787931.060606060633.333333333344.69696969750.757575757658.333333333367.424242424268.181818181872.727272727373.484848484876.515151515277.272727272778.030303030382.575757575887.121212121287.878787878890.909090909196.969696969798.484848484899.242424242499.242424242499.242424242499.2424242424100


Chuva11061255198544863332286320411385122011531466929

Desliz.694717916758612092003536829028

Ano7879808182838485868788

Chuva22811565196414931771158224382702231615412136

Desliz.23491002861489211427399203252

Plan2

Plan3

Correlaochuva x deslizamentoGeralmente tratada com a chuva do episdioDepende do histrico Intensidade mais importante que precipitao em 24hIntensidade maior que o coeficiente de permeabilidade escoamento

Correlao chuva x deslizamentopara SalvadorUtilizando o modelo de Guidicini e Iwasa (1976) chegou-se a seguinte equao:

I = 1.873,06 Ac-1,258Sendo: I = intensidade de chuva horria (mm/h); Ac = precipitao acumulada em 4 dias (mm)

Efeito da vegetao

Diminuio da infiltraoDiminuio do run-offDiminuio da erosoAumento da sucoAumento da resistncia

Efeito da vegetao

Precipitao

Processo de infiltrao

Mecanismo de instabilizao

Mudana de filosofiade projetoDeixa-se de imaginar conteno e pensa-se em proteoObras de drenagem e revestimento so de grande importnciaMenor segurana em relao a os projetos tradicionais, porm com possibilidade de realizao das obras

Barro Branco

Acidente em 21/04/96 - 180 mm/12 horas13 mortes e 300 desabrigadosVolume do material deslizado = 900 m3 Volume retirado = 3.300 m3

Foto do acidente

Execuo da soluo

mecanismo de instablização

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