Precast Concrete Raft Units

1 A review of precast concrete pavements and rafts.- 1.1 Introduction.- 1.2 New precast pavement construction.- 1.3 Pavement repairs with slabs.- 1.4 Concrete pavement design.- 1.5 Joints.- 1.6 Construction.- 1.7 Summary.- 2 Analytical procedures for concrete pavements.- 2.1 Introduction.- 2.2 Concrete pavement subgrade support characterization.- 2.3 Closed-form solutions for concrete pavement responses.- 2.4 Computerized numerical analysis methods for concrete slabs-on-grade.- 2.5 Principles of dimensional analysis applied to concrete pavement data interpretation.- 2.6 Conclusions.- 3 The design of precast concrete raft-type pavements.- 3.1 Introduction.- 3.2 Previous methods of analysis.- 3.3 Repair criteria.- 3.4 Loading.- 3.5 Computer modelling.- 3.6 Raft pavement design method.- 3.7 Design example.- 3.8 Conclusions.- 4 The behaviour of precast concrete raft pavements under fatigue loading with special reference to their use in port areas.- List of symbols.- 4.1 Introduction.- 4.2 Port loading.- 4.3 Fatigue behaviour of concrete.- 4.4 Structural analysis.- 4.5 Finite element analysis.- 4.6 Conclusions.- 5 Performance improvement of precast, reinforced and prestressed concrete raft units (beam and slab) under impulsive loading.- 5.1 Introduction.- 5.2 Load characteristics.- 5.3 Analytical studies.- 5.4 Experimental studies.- 5.5 Concepts of performance improvement for impulsive loading.- 5.6 Conclusions.- 6 The behaviour of plain undowelled raft-type concrete pavement.- 6.1 Introduction.- 6.2 Laying of a plain cement concrete pavement.- 6.3 Effects of temperature change and reversible moisture movement.- 6.4 Structural response.- 6.5 Effects of pumping.- 7 Rapid pavement repair using precast concrete rafts.- 7.1 Introduction.- 7.2 Preliminary considerations.- 7.3 Surfacing types.- 7.4 Key factors in repair design.- 7.5 Repair design.- 7.6 Raft design.- 7.7 Repair boundary.- 7.8 Special equipment.- 7.9 Practical experience.- 7.10 Road repairs.- 7.11 Future developments.- 8 A review of the analysis, design, manufacture and use of precast concrete raft pavement units.- 8.1 Introduction.- 8.2 Manufacture of raft units.- 8.3 Materials used in raft manufacture.- 8.4 The analysis of raft unit pavements.- 8.5 On-site laying raft units.- 8.6 Conclusions.- References.