Applied Geology (For Anna) by D.V. Reddy

Author:D.V. Reddy
Language: eng
Format: azw3
Published: 2018-04-03T04:00:00+00:00

Fig. 11.56. Subunits in masonry building – walls behave as discrete units during earthquakes

Fig. 11.57. Earthquake response of a pipped roof masonry building – no vertical reinforcement is provided in wall

Fig. 11.58. Horizontal sliding at sill level in a masonry building – no vertical reinforcement

In un-reinforced masonry buildings (Fig. 11.58), the cross-section area of the masonry wall reduces at the opening. During strong earthquake shaking, the building may slide just under the roof, below the lintel band or at the sill level. Sometimes, the building may also slide at the plinth level. The exact location of sliding depends on numerous factors including building weight, the earthquake-induced inertia force, the area of openings and type of doorframes used.

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