INTERNAL-PRESSURES AND INTERACTIONS WITH THE BUILDING ENVELOPE

The paper is concerned primarily with the dynamics of internal pressur e and the significance of dynamic action on the peak loads developed a cross the envelope. The two cases studied in some depth are that of a nominally sealed but leaky building with well distributed leakage path s and that of a building with a large opening and little or no backgro und leakage. In the latter case, attention is given both to the transi ent behaviour following a sudden opening and the steady state behaviou r. The theoretical development is supplemented by worked examples for two low rise buildings.