H_210_NEH_631 - Part 631 - Geology
Part 631 - Geology


631.0200  General

631.0201  Minimum Requirements for Engineering Geology Investigations

631.0202  Levels of Engineering Geologic Investigations

631.0203  Geologic Investigations for Group A Structure Sites

631.0204  Geologic Investigations for Group B Structure Sites

631.0205  General Guidance for Engineering Geologic Investigations for Dams

631.0206  Outline of Geologic Investigation Report

631.0207  Minimum Requirements for Sampling and Testing of Structure Sites

631.0208  Geologic Investigation During Project Implementation and Construction (As-Built)

631.0209  Investigation for Repair, Rehabilitation, and Decommissioning of Structures

631.0210  Geology and Geotechnical Considerations for TR-60 Dams

631.0211  References

                 Figures

             Chapter 3 - Engineering Classification of Earth Materials    

631.0300  Introduction

631.0301  Overview of earth materials

631.0302 Rock Characteristics Related to Engineering Properties

631.0303  Geologic Properties of Materials

631.0304  Unified Soil Classification System (USCS)

631.0305  Definitions

631.0306  References

              Figures

             Chapter 4 - Engineering Classification of Rock Materials

631.0400  Engineering properties of rock

631.0401  Rock material properties

631.0402  Rock mass properties: general

631.0403  Rock mass properties: stratigraphic discontinuities

631.0404  Rock mass properties: structural discontinuities

631.0405  Properties related to both rock materials and rock mass

631.0406  Rock material field classification system

631.0407  Evaluation of Earth Material for Excavation by a Ripping Index

631.0408  Definitions

631.0409 References

631.0410 Appendices

               Tables

               Figures

       Chapter 5 - Engineering Geology Logging, Sampling, and Testing   

631.0500  Introduction

631.0501  Safety

631.0502  Logging earth materials

631.0503  Sampling earth materials

631.0504  Samples

631.0505  Testing earth materials

631.0506  References

               Tables

               Figures   

   

Chapter 31 - Groundwater Investigations

631.3101  Introduction

631.3102  Levels of Groundwater Investigations

631.3103  Groundwater Hydrology

631.3104  Hydraulic Material Properties

631.3105  Groundwater Movement

631.3106  Groundwater Recharge

631.3107  Groundwater Geology

631.3108  Groundwater Quality

631.3109  Groundwater Flow Direction

631.3110  Groundwater Data Collection

631.3111  Groundwater Monitoring

631.3112 Groundwater Aquifer Testing

631.3113 Groundwater References

Figures


[H_210_NEH_631 - 2nd Ed., Amend. 2, Oct 2022 - August 2022]