The progressive collapse of part of Ronan Point tower block in east London in 1968 was a very significant event in structural engineering in relation to the understanding of disproportionate damage to structures. There have been extensive research and investigations since then, including full-scale structural load tests on a block in Liverpool, which are taken fully into account in this handbook. New guidance on the structural assessment and strengthening options for large panel system (LPS) dwelling blocks is presented, focusing primarily upon their resistance to accidental loading associated with gas explosions. and supported by extensive background information.
Selected Contents: 1. Introduction and Scope 2. Requirements for Structural Assessment of LPS Dwelling Blocks for Accidental Loading 3. Building Regulation and LPS Assessment Requirements, Progressive Collapse and Related Matters 4. Through-Life Performance and Assessment Issues 5. Hazard Identification 6. Risk Issues 7. Origin of Current National Assessment Overpressure Criteria 8. Structural Performance of LPS Dwellings Blocks Evaluated by Recent Full-Scale Load Tests Carried Out by BRE 9. LPS Dwelling Block Assessment 10. Other Considerations 11. Summary 12. Methodology for Through-Life Management and Assessment 13. Structural Strengthening Options 14. Concluding Remarks Annexes: Development of 'Regulatory' Requirements. Hazard Environment. Risk Issues. Historical Review. BRE Tests. Finite Element Analyses and Calibration Exercises for 1990s BRE Load Tests. BRE Load Testing of Bison Wallframe, Liverpool. Finite Element Analyses and Calibration Exercises for Bison Wallframe. Strengthening Options. Assessment Case Studies. BRE Trials to Determine Coefficient of Friction at Base of Wall Panels