Wednesday, December 19, 2012

Rectangular Beam Strips.

Rectangular beam strips consist of rectangular reinforced ground beams which are designed to be of sufficient width to reduce the bearing pressures on the sub-strata to an acceptable value. The beam is required to be of sufficient cross-section to resist the induced bending moments and shear forces in the longitudinal direction. The beam is reinforced with either ladder reinforcement or caged reinforcement to suit the design conditions. Figure 9.8 shows a typical beam strip supporting point loads.

Fig. 9.8 Typical beam strip.

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