Committees responsible
      Foreword
      Introduction
1 Scope
2 DTp Technical Memorandum BE5
3 Developments of bridge parapets under BS6779
      3.1 General
      3.2 Derivation of theoretical design forces
      3.3 Design load safety factors
4 Development of metal bridge parapets
      4.1 General
      4.2 Development of aluminium alloy parapets
      4.3 Development of steel parapets
5 Development of concrete based bridge parapets
      5.1 General
      5.2 Development of combined metal and concrete parapets
      5.3 Development of concrete parapets
6 Masonry parapets - Brick sandwich concrete reinforced parapets
7 Timber parapets
Bibliography
Figure 1 - Variation of impact force F with vehicle speed v
Figure 2 - Variation of lateral impact force F with vehicle and
           parapet crush distance z
Figure 3 - High containment (P6) steel parapet arrangement for full
           scale impact tests - Parapet design concept
Figure 4 - Combined concrete parapet cross-section M40, London (based
           on BE5 in situ group P1)
Figure 5 - Combined concrete parapet cross-section M5-M6, Midlands Link
           (precast construction)
Figure 6 - Combined concrete parapet cross-section: high containment
           (P6) precast construction
Figure 7 - Shaped concrete parapet cross-section: high containment (P6)
           in situ construction
Figure 8 - Near vertical concrete parapet cross section: high
           containment (P6) precast construction
Figure 9 - Brick sandwich reinforced concrete parapet
Figure 10 - Timber parapet prepared for Devon County Council
Table 1 - BE5: vehicle containment requirements for bridge parapets
Table 2 - Vehicle containment requirements for bridge parapets (from
          BS6779)
Table 3 - Vehicle impact tests on aluminium alloy parapets
Table 4 - Vehicle impact tests on steel parapets
Table 5 - Design parameters for P6 parapet
Table 6 - Early design requirements for concrete parapets in BE5 (later
          modified after full scale testing - see BS6779)
Table 7 - Vehicle impact tests on concrete parapets