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Tower Bridge London Operations Manual John Smith

Tower Bridge London Operations Manual By John Smith

Tower Bridge London Operations Manual by John Smith


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Summary

Tower Bridge is one of London's most recognisable landmarks and is visited by some 830,000 sightseers every year. In 2019 the bridge celebrates its 125th anniversary. John M. Smith describes its genesis and construction, the individuals that drove the project forward, and the novel technologies employed in the bridge's design and operation.

Tower Bridge London Operations Manual Summary

Tower Bridge London Operations Manual: (1894 to date) by John Smith

Tower Bridge is one of London's most recognisable landmarks. Visited by some 830,000 sightseers every year it is famous the world over as an icon of England's capital city. In 2019 the bridge celebrates its 125th anniversary. John M. Smith describes its genesis and construction, the larger-than-life characters that drove the project forward, and the novel technologies employed in the bridge's design and operation. Supported with a wealth of fascinating original drawings, historic and contemporary photographs, the Haynes Tower Bridge Manual takes readers the behind the scenes to reveal the innermost workings of this major London landmark.

About John Smith

John M Smith BSc (Hons) MSc FIET FBCS CITP CEng is a Chartered Engineer who specialises in mechanical and electrical engineering. He is published regularly in the model engineering press and lives in Berkshire.

Table of Contents

Introduction 1 - Build us a bridge! * Victorian London - confident and thriving * Toil, glitter, grime and wealth on a flowing tide * London's traffic problems * The bodies responsible for London's bridges * Demand grows for a new river crossing east of London Bridge * Possible solutions * From the ridiculous to the sublime - proposals considered by the Special Bridge or Subway Committee, June 1876-December 1878 * The Metropolitan Board of Works weighs in o The material to be used o The preferred location for the bridge o The preferred type of bridge * A clash of Titans * Horace Jones' initial specification and outline design 2 - Tangible progress * The impact of the Tay Bridge disaster * The last throw of the dice for Sir Joseph Bazalgette * 1884 - decision time! * The detailed design phase * The laying of the memorial stone * The bridge as built * Ten bridges in one * Now twelve! 3 - A bridge is born * The method of contracting * The individual contracts * The tendering process * Contract No. 1 * Project management * Construction of the piers * Construction of the superstructure * Actual timescale and cost * The grand opening * The first year of operation * Personnel 4 - The suspension bridges * Sources * Overview * The northern approach, a masonry arch viaduct o Preparation o The site o Contract No. 2 o Accommodation beneath the arches of the viaduct o The northern abutment o Metrics * The southern approach, also a masonry arch viaduct o The site o Contract No. 4 o Accommodation beneath the arches of the viaduct * The piers and their foundations * The main towers * The main chains and the suspended roadway of the shore spans o Main chains o The suspended roadway o Stiffening girders * The abutment towers * The high-level ties * The anchor ties and anchor girders * The external masonry * The forces in the structure 5 - The bascule bridges * One bridge or two? * The bascule principle * The second largest Meccano set in the world * The steel girder bridges spanning the bascule chambers o The fixed girders o The cantilevers providing support under the main bearings of the moving leaf o The triangular box girders o The roadway o Recent changes to the roadway construction over the bascule chambers * A simple force diagram of a bascule * Bascule design * Quadrants and racks * Pinion shafts, pinion shaft bearings and pinions * Pivot shafts and main bearings * Roadway construction * Bascule buffers * Pawls * Resting blocks * Nose bolts 6 - Bascule bridge operating technology * The overriding principle of the design * Steam plant - boilers and steam-operated hydraulic pump sets * Hydraulic accumulators * Pressurised water distribution * Hydraulic engines * Bridge control * Hydraulic lifts * Fire, domestic water and bilge hydraulic pumps 7 - The high-level bridges * The high-level footbridges o Overview o The cantilevered footway sections o The simply supported central footway sections o Roofing and ornamentation o Method of construction o High-level tie support o Forces in the structure * The high-level tie suspension bridges o Design o Cable clamps, suspenders and carriers 8 - The men who built the bridge * Introduction * Sir John Wolfe Barry * Sir John Jackson * William Webster * Sir William Arrol * Sir Herbert Henry Bartlett * Baron Armstrong of Cragside * Common threads * Sir Horace Jones 9 - Bridge maintenance * Acknowledgement * Description of the major works since the opening of the bridge * Stewardship of the bridge * Areas for study and possible attention o Monitoring and maintaining the condition of the steelwork o Maintaining the balance of the bridge o The Thames Tideway Tunnel * The next 125 years Appendix 1 - Suspension bridge force analysis * Objective * Method * Assumptions * The geometry of the two suspension bridges * Calculated weights * Force analysis of the Middlesex suspension bridge * Force analysis of the Surrey suspension bridge * Health warning Appendix 2 - Availability estimate for the bridge as built Appendix 3 - Unit conversions Bibliography and sources Index

Additional information

NGR9781785216497
9781785216497
178521649X
Tower Bridge London Operations Manual: (1894 to date) by John Smith
New
Hardback
Haynes Publishing Group
2019-04-18
192
N/A
Book picture is for illustrative purposes only, actual binding, cover or edition may vary.
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