1 Scope
This specification specifies the general requirements of geotechnical investigation in petrochemical industry, the requirements of geotechnical investigation in plant area, tank area and long-distance pipeline, engineering analysis and assessment as well as the contents and requirements of investigation report.
This specification is applicable to the geotechnical investigation for the construction, expansion and renovation of main production unit and its system support engineering facilities in petrochemical industry and it also applicable to the geotechnical investigation for the construction of tanks and long-distance pipelines.
2 Normative References
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments to (excluding amending error in the text), or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest edition of the normative document is applicable. For undated references, the latest edition of the normative document applies.
Foreword
1 Scope
2 Normative References
3 Terms and Definitions
4 General Requirements
4.1 Investigation Level
4.2 Investigation Stage and Scheme
4.3 Exploration, In-situ Test and Geotechnical Test
4.4 Classification and Naming of Rock and Soil
4.5 Geotechnical Engineering Unit
5 Geotechnical Investigation in Petrochemical Plant
5.1 Plant Selection Investigation
5.2 Preliminary Investigation
5.3 Detailed Investigation
7.4 Aerial Crossing Engineering
7.5 Tunnel Engineering
8 Analysis and Assessment of Geotechnical Engineering
8.1 Analysis and Selection of Geotechnical Parameters
8.2 Assessment on Site Stability
8.3 Assessment on Natural Foundation
8.4 Assessment on Foundation Treatment
8.5 Assessment on Pile Foundation
8.6 Assessment on the Corrosivity of Water and Soil to Building Materials
8.7 Assessment on the Anti-floating of Pool Base
9 Geotechnical Investigation Report
9.1 General Requirements
9.2 Main Contents and Requirements of Investigation Report
Appendix A (Informative) Application Selections of Geophysical Methods
Appendix B (Informative) Parameters and Purpose of In-situ Test Method
Appendix C (Normative) Rock Weathering Degree Classification
Appendix D (Informative) Soil Field Identification
Appendix E (Normative) Determination of the Characteristic Values of Existing Base Foundation Bearing Capacity
Appendix F (Normative) Soil Liquefaction and Earthquake Subsidence Distinguishing
Appendix G (Normative) Assessment on the Corrosivity of Environmental Water and Soil to Steel Pipeline
Appendix H (Normative) Pipeline Tunnel Surrounding Rock Classification
Appendix I (Normative) Table of Rock and Soil Test Items in Tunnel Engineering
Appendix J (Informative) Allowable Values of the Side Slope Gradient
Appendix K (Normative) Classification Table of Rock and Soil Engineering
Wording Explanation
