![]() ![]() Source: Table 401.4.1 CABO One- and Two- Family Dwelling Code 1995.įor large buildings or structures constructions, a geotechnical site investigation should be done. ![]() (pounds per square foot) Crystalline bedrock 12,000 Sedimentary rock 6,000 Sandy gravel or gravel 5,000 Sand, silty sand, clayey sand, silty gravel, and clayey gravel 3,000 Clay, sandy clay, silty clay, and clayey silt 2,000 Soil Bearing Capacities Chart Class of Materials Load-Bearing Pressure Site ground investigation should be done to determine what type and size of structure it can support, the ground loading, and the measurement of movement that can be tolerated. The structural weight of a building must be economically and safely transferred to the soil or ground without significant foundation settlement. The bearing capacity depends typically on the ground or soil’s behavior under the building and the interaction with the structure’s foundation. ![]()
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