Rock grouting with emphasis on dam sites:
Gespeichert in:
| Beteilige Person: | |
|---|---|
| Format: | Buch |
| Sprache: | Deutsch |
| Veröffentlicht: |
Berlin u.a.
Springer
1985
|
| Schlagwörter: | |
| Links: | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=006080452&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| Umfang: | XII, 428 S. zahlr. Ill. u. graph. Darst. |
| ISBN: | 3540152520 0387152520 |
Internformat
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| 100 | 1 | |a Ewert, Friedrich-Karl |e Verfasser |4 aut | |
| 245 | 1 | 0 | |a Rock grouting with emphasis on dam sites |
| 264 | 1 | |a Berlin u.a. |b Springer |c 1985 | |
| 300 | |a XII, 428 S. |b zahlr. Ill. u. graph. Darst. | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 650 | 4 | |a Dams |x Design and construction | |
| 650 | 4 | |a Grouting | |
| 856 | 4 | 2 | |m HBZ Datenaustausch |q application/pdf |u http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=006080452&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |3 Inhaltsverzeichnis |
| 943 | 1 | |a oai:aleph.bib-bvb.de:BVB01-006080452 | |
Datensatz im Suchindex
| _version_ | 1819298217630629888 |
|---|---|
| adam_text | Contents
1 Introduction................................ 1
2 Remarks on the Methodology of Preparation .... 10
3 Analysis of Completed Grouting Programmes ... 13
3.1 Preliminary Remarks ........................ 13
3.1.1 Selection of the Programmes; Data............. 13
3.1.2 Representation of Grouting Data .............. 14
3.2 Description and Evaluation of the Programmes .. 18
3.2.1 Grouting Programmes in Folded Siltstone-
Sandstone Alternations of the Westphalian Upper
Carboniferous .............................. 18
3.2.1.1 The Grouting Programme at the Mohne Dam .... 18
3.2.1.2 The Aabach Dam Grouting Programme......... 30
3.2.2 Grouting Programmes in Buntsandstein......... 48
3.2.2.1 The Grouting Programme at the Haune Dam .... 48
3.2.2.2 The Antrift Dam Grouting Programme ......... 54
3.2.2.3 The Twiste Dam Grouting Programme.......... 68
3.2.2.4 Conclusions and Recommendations for Grouting
Programmes in Buntsandstein and in Similar Rock
Types...................................... 90
3.2.3 Grouting Programmes in Turonian Limestone of
Southeastern Westphalia ..................... 92
3.2.3.1 Location, Geology, Hydraulic Routing ......... 92
3.2.3.2 The Grouting Programme in Downtown
Paderborn ................................. 94
3.2.3.3 The Grouting Programme for the Haxter Valley
Bridge ..................................... 97
3.2.4 The Tavera Dam Grouting Programme in
Oligocène Conglomerate ..................... 106
3.3 Microscopical Studies........................ 119
3.3.1 Purpose and Origin of Samples ................ 119
3.3.2 Size of the Injectable Voids ................... 120
3.3.3 The Process of Sedimentation, Separation and
Drainage of the Excess Water ................. 120
3.3.4 The Influence of the Grouting Pressure
(Rock Fracturing) ........................... 129
3.4 Generally Valid Conclusions from the Analysis of
the Grouting Programmes .................... 131
Vin Contents
4 Discussion of the Conventional Investigation
Methods for Determining Rock Permeability ----- 141
4.1 Introduction................................ 141
4.2 On the Execution, Evaluation and Interpretation
of Water Pressure Tests ...................... 143
4.2.1 The Layout of the Tests ...................... 144
4.2.2 Testing Scheme ............................. 145
4.2.3 Several Aspects of the Practical Execution and
Evaluation of Water Pressure Tests ............ 147
4.2.3.1 The Pump.................................. 147
4.2.3.2 The Packer ................................. 148
4.2.3.3 Recording of Test Data....................... 150
4.2.3.4 Evaluation of the Measured Data .............. 151
4.3 Assessment of Current Investigation Methods for
Rock Permeability........................... 157
4.3.1 Water Pressure Tests and krCoefficient......... 158
4.3.2 On the Applicability of the Lugeon Criterion;
Appropriate Impermeabilization Criteria........ 162
4.3.3 WPT Rates and the Appraisal of the Specific Rock
Permeability................................ 169
4.4 Conclusions ................................ 173
5 On Hydraulic Routing in Rock ................ 174
5.1 Introduction................................ 174
5.2 Methods of Researching the Hydraulic Routing in
Rock ...................................... 176
5.3 Influential Factors in the Development of Water
Paths in Rock............................... 177
5.4 Discontinuities as Prescribed Water Paths and
Their Behaviour During Grouting.............. 182
5.4.1 Preliminary Remarks ........................ 182
5.4.2 Bedding Planes ............................. 182
5.4.3 Joint Planes ................................ 184
5.4.4 Cleavage Planes............................. 186
5.4.5 Faults ..................................... 187
5.4.6 Dissolution Cavities ......................... 187
5.5 The Results of Field Investigations of the
Hydraulic Routing........................... 188
5.5.1 HattelbergTunnel ........................... 188
5.5.2 Oker-Grane Tunnel.......................... 194
5.5.3 Outcrops at the Aabach Dam Project........... 200
5.5.3.1 Preliminary Remarks ........................ 200
5.5.3.2 Excavations at the Main Dam ................. 200
5.5.3.3 Karbach Tunnel............................. 206
5.5.3.4 Summary .................................. 210
5.5.4 Hydraulic Routing in the Buntsandstein......... 211
Contents IX
5.5.5 Hydraulic Routing of the Upper Turonian
Limestone of Southeast Westphalia ............ 213
5.5.6 Exploratory Addits for a Pump Storage Scheme in
Taiwan .................................... 216
5.5.7 Outcrops at the Tavera Project ................ 219
5.5.8 Other Indications Concerning Hydraulic Routing . 222
5.6 Synopsis of the Percolation Behaviour in Rock ... 224
5.7 Remarks on Percolation Models and Calculation
Methods in Rock Mechanics .................. 230
6 Studies of the Relationship Between the Type of
Hydraulic Routing, the Course of the Water
Pressure Tests and Grouting Behaviour ......... 234
6.1 Introduction................................ 234
6.2 Tests Using Geologically Defined Models for the
Hydraulic Routes Around the Boreholes ........ 235
6.2.1 Prerequisites................................ 235
6.2.2 Description of the Models, Arrangements of the
Tests ...................................... 239
6.2.3 Results of Simulated Water Pressure Tests....... 243
6.2.4 Results of Simulated Grouting Tests............ 253
6.3 Interpretation of Simulated Water Pressure Tests
and Conclusions ............................ 258
6.3.1 Conclusions Concerning the Type of Hydraulic
Routing: Direct or Indirect Communication ..... 258
6.3.2 Conclusions Concerning the Size of the Routes
in Relation to the Lugeon Criterion............. 259
6.3.3 Conclusions Concerning the Type of Water Paths
Drawn from the Absorption Rates ............. 261
6.3.4 Possibilities for Misinterpreting Water Pressure
Tests ...................................... 261
6.4 Interpretation of Simulated Grouting Tests and
Conclusions ................................ 263
6.4.1 Required Pressures for Grouting Very Fine
Routes, Rock-Type-Specific Groutability ....... 263
6.4.2 The Parallel Grouting of Dissimilar Water Paths . 266
6.4.3 Interplay Between Extension and Velocity of
Grout Travel, Causes for Buildup of Pressure,
Groutability and Grout Takes Dependent upon the
Type of the Conductivity, Remaining Permeability 268
7 Practical Field Investigations on Permeability by
Means of Water Pressure Tests ................ 276
7.1 Introduction................................ 276
7.2 Rock Fracturing Contingent upon Injection
Pressure ................................... 276
X Contents
7.3 Appropriate Maximum Pressures for Water
Pressure Tests .............................. 281
7.4 The Factor Time in Conducting the Water
Pressure Tests .............................. 282
7.5 Characteristic Water Pressure Tests for
Determining the Permeability Behaviour of
Different Rock Types ........................ 285
7.5.1 Classification of the Water Pressure Tests, Basic
Types .................................... 285
7.5.2 Geological Conditions for the Basic Types of
Water Pressure Tests......................... 287
7.5.3 Discussion of Actual Test Diagrams ............ 290
7.5.3.1 Water Pressure Tests in Impermeable Rock
(Group 1) .................................. 290
7.5.3.2 Water Pressure Tests in Rock of Unchangeable
Permeability (Group 2)....................... 290
7.5.3.3 Water Pressure Tests in Rock of Changeable
Permeability (Group 3)....................... 290
7.5.3.4 Water Pressure Tests in Rock of Very Changeable
Permeability (Group 4)....................... 292
7.5.3.5 Time-Dependent Fracturing Processes
(P-Q-t-Diagrams) ........................... 294
7.5.3.6 Conclusions: Catalogue of the Possible Rock
Permeabilities Based on the Water Pressure Tests . 294
7.6 Comparison of Rock Permeabilities Under the
Conditions of Injection and Operation.......... 297
7.7 Water Pressure Tests in Grouted Rocks for
Controlling its Success ....................... 297
7.8 On the Definition of Reference Pressure ...... 297
8 Practical Criteria for Determining Grouting
Methods Considering Rock-Type-Specific
Groutability ................................ 300
8.1 Introduction................................ 300
8.2 Selection of Grouting Pressures in View of the
Fracturing Behaviour ........................ 301
8.3 Assessing the Rock-Type-Specific Groutability ... 305
8.3.1 Orientation and Types of Separation Planes
Related to the Specific Conditions for Grouting .. 305
8.3.2 Relationships Between WPT Rates and Grout
Takes...................................... 314
8.3.3 The Specific Absorption Rate as an Indicator
for Groutability............................. 315
8.3.4 Mapping Separation Planes from Drill Cores and
Their Representation......................... 318
8.3.5 Conclusions Concerning Groutable Permeability
and Grouting Pressure ....................... 320
Contents XI
8.4 Penetration or Displacement Grouting? ......... 325
8.5 Comments on Setting W/C Ratios ............. 327
8.6 Spacing of Grout Holes, Grouting in Series...... 328
8.7 Downstage or Upstage Grouting, Schematic or
Adapted Execution, Accompanying Water
Pressure Tests .............................. 329
8.8 Relationship Between the Type of Hydraulic
Routing and the Remaining Permeability........ 337
8.9 Test Grouting............................... 339
9 Practical Criteria for Determining the Tolerable
Permeability................................ 341
9.1 Introduction, Hydraulic Fundamentals, Depth of
the Curtain, Tolerable Permeability .......... 341
9.2 Estimating the Mean Permeability of the Rock for
Determining Seepage Losses .................. 351
9.2.1 Problem and Possible Solutions ............... 351
9.2.2 Determining kf by a Modified Well Method .... 353
9.2.3 Determining kf on the Basis of a Coefficient of
Infiltration ................................. 362
9.2.4 Estimating kf on the Basis of the Inclination of the
Groundwater Table.......................... 368
9.3 Erodibility ................................. 369
9.4 Examples of the Possible Differences Between
Groutable and Tolerable Permeabilities ......... 374
9.5 Changes in Permeability and Groutability Due to
Comparatively High Storage Levels ............ 376
9.6 The Expenditures for Grouting Programmes
Compared with the Degree of Impermeabilization 377
9.7 Summarizing Assessment of the Tolerable
Permeability................................ 378
9.8 The Expediency of a Control Gallery Considering
Geological Setting and Rock-Type-Specific
Groutability ................................ 379
9.9 Lateral Extension of the Grout Curtain,
Systematic Groundwater Measurements Prior to
the Construction of the Dam .................. 380
9.10 Influence of the Type of the Project on the
Tolerable Permeability ....................... 381
10 The Influence of the Local Geological Setting and
the Grouting Measures on the Reduction of
Uplift ..................................... 383
10.1 Introduction................................ 383
10.2 Example: Aabach Dam....................... 383
10.3 Example: Antrift Dam ....................... 388
10.4 Example: Tavera Dam ....................... 390
XII Contents
10.5 Example: Twiste Dam........................ 391
10.6 Conclusions Concerning the Reduction of the
Uplift ..................................... 398
11 Final Remarks: an Attempt at Guide-Lines ...... 404
11.1 Hydrogeological Scope....................... 404
11.2 Site Investigations by Geological Mapping,
Core Drilling, Testing of Both Permeability and
Groutability ................................ 406
11.3 Control Measures During Impoundment ........ 408
Bibliography ....................................... 410
Subject Index....................................... 415
Advise. All the terms related to the field of grouting including al-
lied disciplines (geology, hydrogeology, geohydraulics) are listed
as Group A of the Subject index. It is recommended to first read
these key-words because in addition to the list of contents one gets
a good insight into alle items to be dealt with.
|
| any_adam_object | 1 |
| author | Ewert, Friedrich-Karl |
| author_facet | Ewert, Friedrich-Karl |
| author_role | aut |
| author_sort | Ewert, Friedrich-Karl |
| author_variant | f k e fke |
| building | Verbundindex |
| bvnumber | BV009165382 |
| callnumber-first | T - Technology |
| callnumber-label | TA755 |
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| callnumber-sort | TA 3755 |
| callnumber-subject | TA - General and Civil Engineering |
| classification_rvk | TZ 9500 |
| ctrlnum | (OCoLC)11756134 (DE-599)BVBBV009165382 |
| dewey-full | 627/.81 |
| dewey-hundreds | 600 - Technology (Applied sciences) |
| dewey-ones | 627 - Hydraulic engineering |
| dewey-raw | 627/.81 |
| dewey-search | 627/.81 |
| dewey-sort | 3627 281 |
| dewey-tens | 620 - Engineering and allied operations |
| discipline | Geologie / Paläontologie Bauingenieurwesen |
| format | Book |
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| id | DE-604.BV009165382 |
| illustrated | Illustrated |
| indexdate | 2024-12-20T09:33:20Z |
| institution | BVB |
| isbn | 3540152520 0387152520 |
| language | German |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-006080452 |
| oclc_num | 11756134 |
| open_access_boolean | |
| owner | DE-29 DE-188 |
| owner_facet | DE-29 DE-188 |
| physical | XII, 428 S. zahlr. Ill. u. graph. Darst. |
| publishDate | 1985 |
| publishDateSearch | 1985 |
| publishDateSort | 1985 |
| publisher | Springer |
| record_format | marc |
| spellingShingle | Ewert, Friedrich-Karl Rock grouting with emphasis on dam sites Dams Design and construction Grouting |
| title | Rock grouting with emphasis on dam sites |
| title_auth | Rock grouting with emphasis on dam sites |
| title_exact_search | Rock grouting with emphasis on dam sites |
| title_full | Rock grouting with emphasis on dam sites |
| title_fullStr | Rock grouting with emphasis on dam sites |
| title_full_unstemmed | Rock grouting with emphasis on dam sites |
| title_short | Rock grouting with emphasis on dam sites |
| title_sort | rock grouting with emphasis on dam sites |
| topic | Dams Design and construction Grouting |
| topic_facet | Dams Design and construction Grouting |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=006080452&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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