Transcription of FOUNDATION SETTLEMENTS - hcmut.edu.vn
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FOUNDATION SETTLEMENTS - hcmut.edu.vn
CHAPTER. 5. FOUNDATION SETTLEMENTS . 5-1 THE SETTLEMENT PROBLEM. FOUNDATION SETTLEMENTS must be estimated with great care for buildings, bridges, towers, power plants, and similar high-cost structures. For structures such as fills, earth dams, levees, braced sheeting, and retaining walls a greater margin of error in the SETTLEMENTS can usually be tolerated. Except for occasional happy coincidences, soil settlement computations are only best es- timates of the deformation to expect when a load is applied. During settlement the soil tran- sitions from the current body (or self-weight) stress state to a new one under the additional applied load. The stress change Aq from this added load produces a time-dependent accu- mulation of particle rolling, sliding, crushing, and elastic distortions in a limited influence zone beneath the loaded area.
5-1 THE SETTLEMENT PROBLEM Foundation settlements must be estimated with great care for buildings, bridges, towers, power plants, and similar high-cost structures.
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