Titlebook: Soils and Foundations for Architects and Engineers; Chester I. Duncan Book 1998Latest edition Kluwer Academic Publishers 1998 Drainage.arc

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Shear Strength of Soils,Shear may be defined as the tendency of one part of a soil mass to slide with respect to the other. This tendency occurs on all planes throughout the soil mass. The singular plane of interest, however, is the plane of potential failure, called the plane of rupture.

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Allowable Soil Bearing Pressure,This chapter provides design criteria for shallow foundations, commonly referred to as spread footings. Design criteria for deep foundations (piles, piers, and caissions) is addressed in Chapter 8. Details relative to the construction of spread footings is given in Chapter 7.

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Piles, Piers, and Caissons,It is recognized that spread footings are the quickest and most cost effective way to transfer the loads of a building into the ground. There are situations, however, in which spread footings cannot reasonably be used. An examination of the test boring log given in Figure 8-1 illustrates this point.

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Soil Compaction,Soil compaction is a process by which a layer of soil is mechanically densified. This process will significantly alter the physical characteristics of the soil in the following ways:

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Classification of Soils, a building are transmitted through the foundations into the ground, where the underlying soil provides the ultimate response. Each kind of soil exhibits a different kind of response. The design of the foundations cannot be completed, nor should it even be started, until the behavior of the underlying soil has been determined.

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Physical Properties of Soils,ese properties can be determined by performing a laboratory analysis on undisturbed soil samples obtained during the test boring process, as described in Article 3–6. The laboratory analysis should be performed in accordance with the following ASTM Standard:

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Subsurface Soil Exploration,ation of the site. The purpose of this investigation is to acquaint both the architect and engineer with conditions peculiar to that site. The investigation will give the architect information as to site access, topography, and the existence of physical barriers such as sharp drop-offs, lakes, or streams of running or stagnant water.