A site classification refers to the process of categorising difference areas of land based on their physical and environmental characteristics. The classification can be used for various purposes, such as land-use planning, natural resource management, conservation, and urban development.
The process of site classification in accordance with AS 2870 entails a thorough assessment of various factors, including but not limited to topography, soil type, vegetation, climate, hydrology, and geology. The selection of additional factors such as cultural significance, human use patterns, and wildlife habitats may also be considered based on the specific purpose of the classification. The thorough evaluation of these factors provides a standardised framework for understanding and managing different types of land use, thereby ensuring effective land-use planning, natural resource management, conservation, and urban development.
What is Soil?
Soil is a complex and dynamic natural resource that is vital to the health and productivity of the earth’s ecosystems. It is a mixture of mineral particles, organic matter, water, and air, and it provides the physical, chemical, and biological foundation for plant growth and the cycling of nutrients.
Soil is formed through a complex process of weathering, erosion, deposition, and biological activity, over thousands of years. It is influenced by a range of factors including climate, topography, vegetation, and time. The soil profile typically consists of several layers of horizons, each with its own unique characteristics and composition.
Unified Soil Classification System (USCS)
The Unified Soil Classification System (USCS) is widely regarded as the established approach for geotechnical engineers to analyse soil properties.
Site classification
Site classification, commonly referred to as lot classification, offers an initial evaluation of a site’s soil conditions and provides a classification consistent with Australian Standards AS 2870. The aim of this process is to aid design engineers in the creation of appropriate foundation systems and slabs for residential buildings.
This objective is accomplished by performing site classification in line with the Australian Standards AS 2870, which establishes guidelines for the testing and classification of soil properties. By adhering to these industry standards, design engineers can accurately assess the site’s soil composition and develop effective foundation designs, ultimately ensuring safe and durable residential construction projects.
