Transcription of CHAPTER 5 - FOUNDATION REQUIREMENTS
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CHAPTER 5 - FOUNDATION REQUIREMENTS
CHAPTER 5 - FOUNDATION REQUIREMENTS 500. GENERAL. This section outlines general material and quality standards for all foundations in this manual. 501. EXCAVATION 501-1. FOOTING DEPTH. Excavation for footings or FOUNDATION walls shall extend below depth of soil subjected to seasonal or character-istic volume change to undisturbed soil that provides adequate bearing. Select the greatest depth required by any of the provisions below, reference Figure 5-1. A. Maximum Frost Penetration Depth. The bottom of footings shall extend at least to the depth indicated on the map on page H-4. B. Alternate Seasonal Wetting and Drying. This is especially important with ex-pansive soils. If expansive soils exist, consult a geotechnical engineer to obtain required foot-ing depth.
B. Minimum Pier and Pier Footing Thickness. The minimum thickness for a pier is 8 inches. The minimum thickness for pier footings is 8 inches or 1-1/2 times the length of
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GEOTECHNICAL ENGINEERING, Minimum requirements, Geotechnical, Minimum, Minimum Requirements for Quality Assurance, GEOTECH ENGINEERING and TESTING, GEOTECH ENGINEERING and TESTING Geotechnical, Scour Requirements for Bridges, Walls, & Culverts, And the Australian Geomechanics, And the Australian Geomechanics Society’s Landslide, SECTION 02832 CONCRETE SEGMENTAL, Geotechnical Manual