Earth Excavation Checklist The following checklist should be used as a guide for better quality control over earth excavation. (1) Prior to the start of excavation operations, take
Types of Backfill Materials Different types of backfill materials are used in construction industry. Backfill materials that are commonly used are described below with their engineering properties. 1.
GEOPHYSICAL TEST METHODS Geophysical test is often used as part of the initial site exploration phase of a project and/or to provide supplementary information collected by widely-spaced observations
Need for Soil Sampling A satisfactory design of a foundation depends upon the accuracy with which the various soil parameters required for the design are obtained. The accuracy
DESCRIPTION OF ROCK MASS CHARACTERISTICS Standardized geologic mapping and logging procedures should be used for describing rock mass characteristics. The types of information collected will depend on site
Core Recovery and RQD (Rock Quality Designation) The easiest way to characterize the amount of material recovered during rock coring is to calculate “core recovery” as the amount
How to Select Soil & Rock Properties for Engineering Design? A rational approach for selecting soil & rock properties for engineering design can be summarized as a logical
Depth of Soil Exploration The object of site exploration is to provide reliable, specific and detailed information about the soil and ground water condition of the site which
In-situ Tests on Soil In situ testing is a division of field testing corresponding to the cases where the ground is tested in-place by instruments that are inserted
