Title BS6349-7 1991 Maritime Structures-Part 7 Guide to the design and construction of breakwaters..pdf ✅

BRITISH STANDARD BS 6349-7: 1991 Maritime structures — Part 7: Guide to the design and construction of breakwaters
BS 6349-7:1991 This British Standard, having been prepared under the direction of the Civil Engineering and Building Structures Standards Policy Committee, was published under the authority of the Standards Board and comes into effect on 31 October 1991 © BSI 04-1999 The following BSI references relate to the work on this standard: Committee reference CSB/17 Draft for comment 90/10429 DC ISBN 0 580 19990 8 Committees responsible for this British Standard The preparation of this British Standard was entrusted by the Civil Engineering and Building Standards Policy Committee (CSB/-) to Technical Committee CSB/17, upon which the following bodies were represented: Association of Consulting Engineers British Ports Federation and the National Association of Ports Employers British Steel Industry Concrete Society Department of the Environment (Property Services Agency) Department of Transport (Marine Directorate) Federation of Civil Engineering Contractors Health and Safety Executive Institution of Civil Engineers Institution of Structural Engineers Oil Companies International Marine Forum Amendments issued since publication Amd. No. Date Comments

BS 6349-7:1991 ii © BSI 04-1999 Page 3.7.1 Limit states 20 3.7.2 Choice of level of risk 20 3.7.3 Fault trees 20 3.7.4 Method of analysis 21 Section 4. Rubble mound structures 4.1 General 22 4.2 Overall design 22 4.2.1 Factors affecting choice of cross section 22 4.2.2 Run-up and overtopping 28 4.2.3 Overall stability 28 4.3 Design of armour 31 4.3.1 General 31 4.3.2 Rock armour 31 4.3.3 Concrete armour units 32 4.3.4 Design formulae 34 4.3.5 Thickness and extent of armour layer 37 4.3.6 Crest and rear face armour 38 4.4 Design of core and underlayers 38 4.4.1 General considerations 38 4.4.2 Grading of core material 38 4.4.3 Sizing of underlayer material 39 4.4.4 Thickness of underlayers 40 4.4.5 Filters for reclamation 40 4.5 Design of crest structures 41 4.5.1 General considerations 41 4.5.2 Structural design 43 4.5.3 Analysis 43 4.6 Design of toe and apron 44 4.7 Design of foundations 49 4.8 Design of breakwater head 49 4.9 Low crest breakwaters 50 4.9.1 General considerations 50 4.9.2 Design of armour 51 4.10 Construction materials 51 4.10.1 Rock 51 4.10.2 Concrete 53 4.10.3 Geotextiles and related products 53 4.10.4 Bituminous materials 53 4.11 Construction 53 4.11.1 General 53 4.11.2 Construction plant 53 4.11.3 Construction sequence 54 4.11.4 Toe construction 54 4.11.5 Core and underlayers 54 4.11.6 Armour 54 4.11.7 Measurement, deviations and tolerances 56 4.11.8 Crest structure 56 4.12 Monitoring and maintenance 57 Section 5. Vertical face structures 5.1 General 58 5.2 Types of structure 58