BSI PD CEN/TS 17006:2016:2017 Edition
$142.49
Earthworks. Continuous Compaction Control (CCC)
| Published By | Publication Date | Number of Pages |
| BSI | 2017 | 32 |
This technical specification provides guidance, specifications and requirements on the use of Continuous Compaction Control (CCC) as a quality control method in earthworks by means of roller integrated dynamic measuring and documentation systems.
The CCC method is suitable for soils, granular materials and rockfill materials which can be compacted using vibratory rollers.
A continuous Compaction Control (CCC) technology based on the measure of propel energy necessary to overcome the rolling resistance is also available and can be used as a quality control method in earthworks. The propelling power of the compactor provides an indication of the material stiffness and it is measured as a function of the machine ground speed, slope angle and rolling resistance. This method is not included in this document.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 4 | Contents Page |
| 6 | European foreword |
| 7 | 1 Scope 2 Terms and definitions |
| 9 | 3 Fundamentals and principles of CCC measurements Figure 1 — Single drum roller for CCC measurements (schematic diagram) |
| 10 | 4 Influences on the CCC measuring value 4.1 General 4.2 Roller 4.2.1 General 4.2.2 Static linear load of roller drum 4.2.3 Vibration amplitude 4.2.4 Vibration frequency 4.2.5 Operating speed |
| 11 | 4.2.6 Direction of roller 4.3 Measuring depth Table 1 — Examples of measuring depth to be expected (gravelly soil, smooth single drum vibrating rollers) 4.4 Soils, granular materials and rockfill materials 4.4.1 Type of material and water content |
| 12 | 4.4.2 Evenness and inhomogeneities on the layer surface 4.4.3 Resting time of the compacted layer 5 Preconditions and requirements 5.1 Soils, granular materials and rockfill materials 5.1.1 Soil type 5.1.2 Requirements for the layer surface 5.2 Requirements for CCC rollers |
| 13 | 5.3 CCC Measuring and documentation system 5.3.1 Structure of the measuring and documentation system 5.3.2 Requirements for the CCC measuring and documentation system |
| 14 | 5.4 Reproducibility 5.5 Personnel requirements 6 CCC applications 7 CCC with calibration for indirect continuous density and stiffness control and QC and QA purpose 7.1 General |
| 15 | 7.2 CCC quality control and acceptance testing with calibration 7.2.1 Procedure 7.2.1.1 Inspection areas |
| 16 | 7.2.2 Alternative decision rules 7.3 Selection of the calibration test area 7.4 Calibration procedure |
| 17 | Figure 2 — Calibration test area 7.5 Development of correlations 7.5.1 General principles 7.5.2 Quality and validity of correlation |
| 18 | 7.5.3 Examples of correlations 8 CCC weak area analysis and documentation for QC and QA purpose 8.1 General 8.2 CCC quality control and acceptance testing for weak area analysis |
| 19 | 9 CCC – documentation of maximum compaction achievable for QC and QA purpose 9.1 General 9.2 CCC quality control and acceptance testing for documentation of maximum compaction for QA purpose 10 CCC – documentation of compaction method 10.1 General |
| 20 | 10.2 CCC quality control and acceptance testing for method specification 11 CCC test report |
| 21 | Annex A (informative) Analysis of the vibration behaviour A.1 Principle of compaction energy Figure A.1 — Schematic representation of compaction energy |
| 22 | A.2 Principle of harmonic wave Figure A.2 — Measuring principle for harmonic waves |
| 23 | A.3 Measuring the dynamic stiffness Figure A.3 — Measuring principle for dynamic stiffness |
| 24 | Annex B (informative) Statistical evaluation of CCC values based on decision rules for CCC application with calibration B.1 Decision rules – Analysis of the unweighted fall-below areas if normally distributed measuring values exist Figure B.1 — Distribution of CCC measuring values of the population and fall-below ratio (fall-below area ratio): Control area is accepted, because m – 1,28 σ ≥ TM |
| 25 | Figure B.2 — Distribution of CCC measuring values of the population and fall-below ratio (fall-below area ratio): Control area is rejected, because m – 1,28 σ < TM |
| 26 | B.2 Evaluation of the unweighted fall-below areas in case of arbitrary distribution of the measuring values or the total fall-below area ratio B.3 Evaluation of the weighted fall-below areas in case of arbitrary distribution of the measuring values or the total fall-below area ratio |
| 28 | Table B.1 — Case studies for identical test statistics for different fall-below area ratio B and fall-below ratio U Figure B.3 — Relative fall-below area ratio B and fall-below ratio U based on the two courses of measuring values (A and B) |
| 29 | Table B.2 — Guide values for the decision limit q Figure B.4 — Two examples for the distribution of CCC measuring values to illustrate the decision rule “weighted fall-below areas” (see also Figure B.3) |
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