criteria for the design of dams and their ......specifying the construction process 3.9....
TRANSCRIPT
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TECHNICAL GUIDES ON DAM SAFETY
CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS
VOLUME II: EMBANKMENT DAMS
COLEGIO DE INGENIEROS DE
CAMINOS, CANALES Y PUERTOS
COMITÉ NACIONAL ESPAÑOL
DE GRANDES PRESAS
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CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
1. INTRODUCTION
2. DESIGN SEQUENCE
3. COMMON DESIGN ASPECTS
4. HOMOGENEOUS AND ZONED DAMS
5. CORE DAMS
6. DAMS WITH IMPERVIOUS FACING
7. EVALUATION OF SAFETY
8. REFERENCES ANNEX: DAMS OF VARIOUS TYPES IN SPAIN
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CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
1. INTRODUCTION
1.1 Embankment dams in Spain
1.2 Statistics of incidents, accidents and
failures
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MAIN ELEMENTS OF THE DIFFERENT TYPES OF EMBANKMENT DAMS
CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
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CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
2. DESIGN SEQUENCE
2.1. Preliminary studies
2.2. Selection of the dam type
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CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
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CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
3. COMMON DESIGN ASPECTS
3.1. General layout of the dam and its appurtenant
works
3.2. Geometrical definition of the typical cross-
section. Pre-dimensioning
3.3. Excavations
3.4. Ground treatment. Possible use of galleries in
the foundation
3.5. Design of the drainage system
3.6. Definition of the protection of outer slopes
3.7. Freeboard, crest and possible berms
3.8. Specifying the construction process
3.9. Deformational study
3.10. Verification of safety
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MAIN FAILURE MODES IN AN EMBANKMENT DAM
CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
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SKETCH OF GALLERIES ON THE IMPERVIOUS AREAS AT THE BASE OF EMBANKMENT DAMS
CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
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FAILURE MECHANISMS THAT WATER FLOW CAN TRIGGER
CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
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DEFINITION OF FLOCCULE SIZE
CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
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RECOMMENDED GRADING FOR FILTERS
Determinación de los límites superiores
D15 máx .- Ver Tabla 3.5.1
D60 máx = 6 D15
D85 máx = 15 D15
Determinación de los límites inferiores
Porcentaje de finos < 5%
D15 mín: mayor de los dos valores: 0,4 D15 ó 0,12 mm
D60 mín = 1/5 D60 máx
D85 mín = 1/8 D85 máx
1
2
3
A
B
C
D
CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
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DIAGRAM OF THE THEORETICAL STUDY OF FINES ENTRAINMENT (SUFFUSION)
CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
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DIAGRAM OF THE DERIVED CURVE. SLOPE OF THE GRADING CURVE. URIEL’S CONDITION FOR SELF-STABILITY
CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
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SKETCH OF THE DOWNSTREAM SLOPE PROTECTION
CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
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DRAWING OF AN UPSTREAM SLOPE PROTECTION WITH RIP-RAP
CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
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DEFINITION OF THE DESIGN FETCH
CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
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DIAGRAM OF THE MAIN SETTLEMENTS IN EMBANKMENT DAMS
CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
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CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
4. HOMOGENEOUS AND ZONED DAMS
4.1. General layout of the dam body
4.2. Precautions against internal erosion
4.3. Dam body materials
4.4. Possible horizontal drains in the dam
body
4.5. Dimensioning of the upstream
protection. Stability during drawdown
4.6. Some expamples of homogeneous and
zoned dams in Spain
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CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS A. SORIANO
UNACCEPTABLE WATER TABLE IN A SEEPAGE NET, WHICH COULD OCCUR IN A THEORETICAL DAM – PERFECTLY HOMOGENEOUS
AND ON A IMPERVIOUS FOUNDATION
CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
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CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURENANT WORKS A. SORIANO
SCHEMATIC LOCATION OF DRAINING ELEMENTS IN A HOMOGENEOUS
CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
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CRACK IN THE SOIL-CEMENT COATING USED AS AN ANTI-EROSION PROTECTION ON THE UPSTREAM SLOPE OF THE C. W. BILL YOUNG DAM
CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
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TYPICAL CROSS-SECTION OF LA SOTONERA DAM
CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
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TYPICAL CROSS-SECTION OF LA PEDRERA DAM
CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
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TYPICAL CROSS-SECTION OF THE BARBATE DAM
CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
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CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
5. CORE DAMS
5.1. General layout of the typical cross-section
5.2. Materials for the impervious core
5.3. Materials for the dam shells
5.4. Other materials. Shadow zones
5.5. Foundation of the core
5.6. Core cracking. Hydraulic fracturing
5.7. Some examples of core dams in Spain
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ESSENTIAL ELEMENTS IN THE BODY OF CORE DAMS
CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
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GRADING BAND WITH A LARGER RISK OF CRACKING
CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
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DIAGRAM OF THE COMPACTION CONDITIONS OF A CLAY CORE
CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
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CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
SECCIÓN TIPO DE UNA PRESA DE NÚCLEO ASFÁLTICO
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DETALLE DEL APOYO DEL NÚCLEO ASFÁLTICO Y DE LA EVENTUAL GALERÍA PERIMETRAL DE INSPECCIÓN Y DRENAJE
CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
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TYPICAL VALUES OF MAXIMUM DAM SETTLEMENT OBSERVED DURING CONSTRUCTION
CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
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DIAGRAM OF DIFFERENT POTENTIAL CRACKS IN THE CORE
CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
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TYPICAL CROSS-SECTION OF THE SAN CLEMENTE DAM
CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
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TYPICAL CROSS-SECTION OF THE ZUFRE DAM
CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
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TYPICAL CROSS-SECTION OF THE ZAHARA EL GASTOR DAM
CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
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TYPICAL CROSS-SECTION OF THE CANALES DAM
CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
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TYPICAL CROSS-SECTION OF THE ARENÓS DAM
CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
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TYPICAL CROSS-SECTION OF THE CALANDA DAM
CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
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TYPICAL CROSS-SECTION OF THE TOUS DAM
CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
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TYPICAL CROSS-SECTION OF THE LA LOTETA DAM
CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
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CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
6. DAMS WITH IMPERVIOUS FACING
6.1. Criteria for the selection of this type of
solution at the design stage
6.2. Definition of the typical cross-section
6.3. Treatment of the dam body foundation
6.4. Materials for the dam body
6.5. Support layer for the facing
6.6. Dimensioning of the plinth
6.7. Reinforced concrete facing
6.8. Asphaltic facing
6.9. Some dams with impervious facing in Spain
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CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
TYPICAL CROSS-SECTION OF A CONCRETE-FACE ROCKFILL DAM
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VERTICAL DEFORMATION MODULUS. DEFINITION
CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
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CRITERIA FOR THE DESIGN OF DAMS AND THIR APPURTENANT WORKS A. SORIANO
TRANSVERSE MODULUS OF DEFORMATION OF THE DAM BODY. DEFINITION
CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
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DEFORMATION MODULUS RATIO IN RELATION TO THE SHAPE FACTOR OF THE FACE SLAB
CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
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MAXIMUM DISPLACEMENT OF THE CONCRETE FACE AS A FUNCTION OF THE ITS SHAPE FACTOR
CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
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DIAGRAM OF ACTIONS ON THE PLINTH OF CONCRETE FACED DAMS (A)
CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
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DIAGRAM OF ACTIONS ON THE PLINTH OF CONCRETE FACED DAMS (B)
CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
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SCHEMATIC DRAWING OF JOINTS IN THE FACE SLAB ITSELF
CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
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DIFFERENT TYPES OF PERIMETER JOINTS ALREADY EMPLOYED
CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
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DIFFERENT PARAPET WALLS AT THE CREST
CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
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LAYOUT OF THE TWO MOST COMMON TYPES OF BITUMINOUS FACING
CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
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CONSTRUCTION DETAILS OF THE CONNECTION OF BITUMINOUS FACINGS TO CONCRETE ELEMENTS (1)
CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
1.- UNIÓN DE LA PANTALLA CON UN PLINTO
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CONSTRUCTION DETAILS OF THE CONNECTION OF BITUMINOUS FACINGS TO CONCRETE ELEMENTS (2)
CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
2.- REMATE DE UNA PANTALLA ASFÁLTICA CON LA ESTRUCTURA DE CORONACIÓN
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CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
7. EVALUATION OF SAFETY
7.1. Actions
7.2. Water pore pressure
7.3. Material strength
7.4. Design situations
7.5. Calculation methods
7.6. Required factors of safety
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CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
PERÍODOS DE RETORNO DE LAS AVENIDAS, EN AÑOS
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CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
RESUMEN DE LOS PERÍODOS DE RETORNO DE LOS SISMOS DE CÁLCULO
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CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
RESUMEN DE LAS ACELERACIONES DE CÁLCULO (COMPONENTE HORIZONTAL)
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DIAGRAM OF PORE WATER PRESSURES DURING A DRAWDOWN
CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
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CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS. EMBANKMENT DAMS A. SORIANO
STABILITY AGAINST SLIDING OF EMBANKMENT DAMS. MINIMUM RECOMMENDED SAFETY FACTORS AS A FUNCTION OF THE DAM CATEGORY
TYPE OF ACTION OR COMBINATION OF ACTIONS
CATEGORY A CATEGORY B CATEGORY C
NORMAL 1.4 1.4 1.3
ACCIDENTAL 1.3 1.2 1.1
EXTREME >1.0 >1.0 >1.0
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TECHNICAL GUIDES ON DAM SAFETY
CRITERIA FOR THE DESIGN OF DAMS AND THEIR APPURTENANT WORKS
VOLUME II: EMBANKMENT DAMS
COLEGIO DE INGENIEROS DE
CAMINOS, CANALES Y PUERTOS
COMITÉ NACIONAL ESPAÑOL
DE GRANDES PRESAS