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Arrow-Loops in the Great Tower of Kenilworth Castle: Symbolism Vs Active/Passive ‘Defence’
Arrow-loops in the Great Tower of Kenilworth castle: Symbolism vs Active/Passive ‘Defence’ Arrow-loops in the Great Tower of Kenilworth ground below (Fig. 7, for which I am indebted to castle: Symbolism vs Active/Passive ‘Defence’ Dr. Richard K Morris). Those on the west side have hatchet-shaped bases, a cross-slit and no in- Derek Renn ternal seats. Lunn’s Tower, at the north-east angle It is surprising how few Norman castles exhibit of the outer curtain wall, is roughly octagonal, arrow-loops (that is, tall vertical slits, cut through with shallow angle buttresses tapering into a walls, widening internally (embrasure), some- broad plinth. It has arrow-loops at three levels, times with ancillary features such as a wider and some with cross-slits and badly-cut splayed bases. higher casemate. Even if their everyday purpose Toy attributed the widening at the foot of each was to simply to admit light and air, such loops loop to later re-cutting. When were these altera- could be used profitably by archers defending the tions (if alterations they be)7 carried out, and for castle. The earliest examples surviving in Eng- what reason ? He suggested ‘in the thirteenth cen- land seem to be those (of uncommon forms) in tury, to give crossbows [... ] greater play from the square wall towers of Dover castle (1185-90), side to side’, but this must be challenged. Greater and in the walls and towers of Framlingham cas- play would need a widening of the embrasure be- tle, although there may once have been slightly hind the slit. -
Tunnel from Wikipedia, the Free Encyclopedia This Article Is About Underground Passages
Tunnel From Wikipedia, the free encyclopedia This article is about underground passages. For other uses, see Tunnel (disambiguation). "Underpass" redirects here. For the John Foxx song, see Underpass (song). Entrance to a road tunnel inGuanajuato, Mexico. Utility tunnel for heating pipes between Rigshospitalet and Amagerværket in Copenhagen,Denmark Tunnel on the Taipei Metro inTaiwan Southern portal of the 421 m long (1,381 ft) Chirk canal tunnel A tunnel is an underground or underwater passageway, dug through the surrounding soil/earth/rock and enclosed except for entrance and exit, commonly at each end. A pipeline is not a tunnel, though some recent tunnels have used immersed tube construction techniques rather than traditional tunnel boring methods. A tunnel may be for foot or vehicular road traffic, for rail traffic, or for a canal. The central portions of a rapid transit network are usually in tunnel. Some tunnels are aqueducts to supply water for consumption or for hydroelectric stations or are sewers. Utility tunnels are used for routing steam, chilled water, electrical power or telecommunication cables, as well as connecting buildings for convenient passage of people and equipment. Secret tunnels are built for military purposes, or by civilians for smuggling of weapons, contraband, or people. Special tunnels, such aswildlife crossings, are built to allow wildlife to cross human-made barriers safely. Contents [hide] 1 Terminology 2 History o 2.1 Clay-kicking 3 Geotechnical investigation and design o 3.1 Choice of tunnels vs. -
The Evolution of London's Crossrail Scheme and the Development of the Department for Transport's Economic Appraisal Methods
A Service of Leibniz-Informationszentrum econstor Wirtschaft Leibniz Information Centre Make Your Publications Visible. zbw for Economics Worsley, Tom Working Paper The evolution of London's crossrail scheme and the development of the department for transport's economic appraisal methods International Transport Forum Discussion Paper, No. 2011-27 Provided in Cooperation with: International Transport Forum (ITF), OECD Suggested Citation: Worsley, Tom (2011) : The evolution of London's crossrail scheme and the development of the department for transport's economic appraisal methods, International Transport Forum Discussion Paper, No. 2011-27, Organisation for Economic Co-operation and Development (OECD), International Transport Forum, Paris, http://dx.doi.org/10.1787/5kg0prk600jk-en This Version is available at: http://hdl.handle.net/10419/68827 Standard-Nutzungsbedingungen: Terms of use: Die Dokumente auf EconStor dürfen zu eigenen wissenschaftlichen Documents in EconStor may be saved and copied for your Zwecken und zum Privatgebrauch gespeichert und kopiert werden. personal and scholarly purposes. Sie dürfen die Dokumente nicht für öffentliche oder kommerzielle You are not to copy documents for public or commercial Zwecke vervielfältigen, öffentlich ausstellen, öffentlich zugänglich purposes, to exhibit the documents publicly, to make them machen, vertreiben oder anderweitig nutzen. publicly available on the internet, or to distribute or otherwise use the documents in public. Sofern die Verfasser die Dokumente unter Open-Content-Lizenzen (insbesondere CC-Lizenzen) zur Verfügung gestellt haben sollten, If the documents have been made available under an Open gelten abweichend von diesen Nutzungsbedingungen die in der dort Content Licence (especially Creative Commons Licences), you genannten Lizenz gewährten Nutzungsrechte. may exercise further usage rights as specified in the indicated licence. -
Great Western Signal Box Diagrams 22/06/2020 Page 1 of 40
Great Western Signal Box Diagrams Signal Box Diagrams Signal Box Diagram Numbers Section A: London Division Section B: Bristol Division Section E: Exeter Division Section F: Plymouth Division Section G: Gloucester Division Section H: South Wales Main Line Section J: Newport Area Section K: Taff Vale Railway Section L: Llynvi & Ogmore Section Section M: Swansea District Section N: Vale of Neath Section P: Constituent Companies Section Q: Port Talbot & RSB Railways Section R: Birmingham Division Section S: Worcester Division Section T: North & West Line Section U: Cambrian Railways Section W: Shrewsbury Division Section X: Joint Lines Diagrams should be ordered from the Drawing Sales Officer: Ray Caston 22, Pentrepoeth Road, Bassaleg, NEWPORT, Gwent, NP10 8LL. Latest prices and lists are shown on the SRS web site http://www.s-r-s.org.uk This 'pdf' version of the list may be downloaded from the SRS web site. This list was updated on: 10th April 2017 - shown thus 29th November 2017 - shown thus 23rd October 2018 - shown thus 1st October 2019 - shown thus 20th June 2020 (most recent) - shown thus Drawing numbers shown with an asterisk are not yet available. Note: where the same drawing number appears against more than one signal box, it indcates that the diagrams both appear on the same sheet and it is not necessary to order the same sheet twice. Page 1 of 40 22/06/2020 Great Western Signal Box Diagrams Section A: London Division Section A: London Division A1: Main Line Paddington Arrival to Milton (cont'd) Drawing no. Signal box A1: Main Line Paddington Arrival to Milton Burnham Beeches P177 Drawing no. -
Brunel's Dream
Global Foresights | Global Trends and Hitachi’s Involvement Brunel’s Dream Kenji Kato Industrial Policy Division, Achieving Comfortable Mobility Government and External Relations Group, Hitachi, Ltd. The design of Paddington Station’s glass roof was infl u- Renowned Engineer Isambard enced by the Crystal Palace building erected as the venue for Kingdom Brunel London’s fi rst Great Exhibition held in 1851. Brunel was also involved in the planning for Crystal Palace, serving on the The resigned sigh that passed my lips on arriving at Heathrow building committee of the Great Exhibition, and acclaimed Airport was prompted by the long queues at immigration. the resulting structure of glass and iron. Being the gateway to London, a city known as a melting pot Rather than pursuing effi ciency in isolation, Brunel’s of races, the arrivals processing area was jammed with travel- approach to constructing the Great Western Railway was to ers from all corners of the world; from Europe of course, but make the railway lines as fl at as possible so that passengers also from the Middle East, Africa, Asia, and North and South could enjoy a pleasant journey while taking in Britain’s won- America. What is normally a one-hour wait can stretch to derful rural scenery. He employed a variety of techniques to two or more hours if you are unfortunate enough to catch a overcome the constraints of the terrain, constructing bridges, busy time of overlapping fl ight arrivals. While this only adds cuttings, and tunnels to achieve this purpose. to the weariness of a long journey, the prospect of comfort Rain, Steam and Speed – The Great Western Railway, a famous awaits you on the other side. -
Great Western Zone : TOC Consultation 04
Network Rail EAS - Section 7 Data freeze: EAS_V4_3_2021 HS1 Route Version 4.3 Week 37 Possession RefLOR Possession Possession Blocked Line Protection Start End Traffic Remarks Work Type Location from Location to Type P2020/2940044 SO110 Fawkham Jn Hook Green Up Waterloo BLOCKED To 15/12/20 15/12/20 W2020/6797756 SO400 Connection A/C Electric 0055 Tue 0510 Tue (4 hrs) OHL Work SO460 Down Waterloo Trains 0m0ch and 0m0ch Connection P2020/2955463 SO110 Fawkham Jn Hook Green Up Waterloo BLOCKED To 16/12/20 16/12/20 W2020/7295972 SO400 Connection A/C Electric 0055 Wed 0510 Wed (4 hrs) OHL Work SO460 Down Waterloo Trains 0m0ch and 0m0ch Connection P2020/2940121 SO110 Fawkham Jn Hook Green Up Waterloo BLOCKED To 17/12/20 17/12/20 W2020/6797817 SO400 Connection A/C Electric 0055 Thu 0510 Thu (4 hrs) OHL Work SO460 Down Waterloo Trains 0m0ch and 0m0ch Connection P2020/2939962 EA1320 St. Pancras Dock Jn South Maintenance Sidings 14/12/20 14/12/20 W2020/7258524 LN115 International Siding Possession 0025 Mon 0440 Mon (5 hrs) S&T Work LN3201 0m0ch and 0m0ch SO400 Silo Curve Jn Cedar Jn Silo Curve Protected 14/12/20 14/12/20 Path 0025 Mon 0440 Mon (4 hrs) St. Pancras York Way North Jn East Coast Protected 14/12/20 14/12/20 International Mainline Path 0025 Mon 0440 Mon (4 hrs) Connection York Way North St. Pancras North London Protected 14/12/20 14/12/20 Jn International Incline Path 0025 Mon 0440 Mon (4 hrs) SUPERSEDED BY CPPP Electronic Copy - Uncontrolled when printed Page1 of 143 Network Rail EAS - Section 7 Data freeze: EAS_V4_3_2021 HS1 Route Version -
How Understanding a Railway's Historic Evolution Can Guide Future
College of Engineering, School of Civil Engineering University of Birmingham Managing Technical and Operational Change: How understanding a railway’s historic evolution can guide future development: A London Underground case study. by Piers Connor Submitted as his PhD Thesis DATE: 15th February 2017 University of Birmingham Research Archive e-theses repository This unpublished thesis/dissertation is copyright of the author and/or third parties. The intellectual property rights of the author or third parties in respect of this work are as defined by The Copyright Designs and Patents Act 1988 or as modified by any successor legislation. Any use made of information contained in this thesis/dissertation must be in accordance with that legislation and must be properly acknowledged. Further distribution or reproduction in any format is prohibited without the permission of the copyright holder. Managing Technical & Operational Development PhD Thesis Abstract The argument for this thesis is that patterns of past engineering and operational development can be used to support the creation of a good, robust strategy for future development and that, in order to achieve this, a corporate understanding of the history of the engineering, operational and organisational changes in the business is essential for any evolving railway undertaking. It has been the objective of the author of this study to determine whether it is essential that the history and development of a railway undertaking be known and understood by its management and staff in order for the railway to function in an efficient manner and for it to be able to develop robust and appropriate improvement strategies in a cost-effective manner. -
Innovative Technologies for Light Rail and Tram: a European Reference Resource
Innovative Technologies for Light Rail and Tram: A European reference resource Briefing Paper 8 Additional Fuels - Aeromovel System September 2015 Sustainable transport for North-West Europe’s periphery Sintropher is a five-year €23m transnational cooperation project with the aim of enhancing local and regional transport provision to, from and withing five peripheral regions in North-West Europe. INTERREG IVB INTERREG IVB North-West Europe is a financial instrument of the European Union’s Cohesion Policy. It funds projects which support transnational cooperation. Innovative technologies for light rail and tram Working in association with the POLIS European transport network, who are kindly hosting these briefing papers on their website. Report produced by University College London Lead Partner of Sintropher project Authors: Charles King, Giacomo Vecia, Imogen Thompson, Bartlett School of Planning, University College London. The paper reflects the views of the authors and should not be taken to be the formal view of UCL or Sintropher project. 4 Innovative technologies for light rail and tram Table of Contents Background .................................................................................................................................................. 6 Innovative technologies for light rail and tram – developing opportunities ................................................... 6 Aeromovel – Atmospheric Railway ............................................................................................................... 7 -
Report on the Current State- Of-Art on Protection
REPORT ON THE CURRENT STATE- OF-ART ON PROTECTION, CONSERVATION AND PRESERVATION OF HISTORICAL RUINS D.T1.1.1 12/2017 Table of contents: 1. INTRODUCTION - THE SCOPE AND STRUCTURE OF THE REPORT ........................................................................... 3 2. HISTORIC RUIN IN THE SCOPE OF THE CONSERVATION THEORY ........................................................................... 5 2.1 Permanent ruin as a form of securing a historic ruin .................................................................... 5 2.2 "Historic ruin" vs. "contemporary ruin" ............................................................................................ 6 2.3 Limitations characterizing historic ruins ....................................................................................... 10 2.4 Terminology of the conservation activities on damaged objects ............................................... 12 3. RESEARCH ON HISTORIC RUINS ................................................................................................................................ 14 3.1. Stocktaking measurements ............................................................................................................. 14 3.1.1. Traditional measuring techniques .............................................................................................. 17 3.1.2. Geodetic method ............................................................................................................................ 19 3.1.3. Traditional, spherical, and photography -
The Crystal Palace
The Crystal Palace The Crystal Palace was a cast-iron and plate-glass structure originally The Crystal Palace built in Hyde Park, London, to house the Great Exhibition of 1851. More than 14,000 exhibitors from around the world gathered in its 990,000-square-foot (92,000 m2) exhibition space to display examples of technology developed in the Industrial Revolution. Designed by Joseph Paxton, the Great Exhibition building was 1,851 feet (564 m) long, with an interior height of 128 feet (39 m).[1] The invention of the cast plate glass method in 1848 made possible the production of large sheets of cheap but strong glass, and its use in the Crystal Palace created a structure with the greatest area of glass ever seen in a building and astonished visitors with its clear walls and ceilings that did not require interior lights. It has been suggested that the name of the building resulted from a The Crystal Palace at Sydenham (1854) piece penned by the playwright Douglas Jerrold, who in July 1850 General information wrote in the satirical magazine Punch about the forthcoming Great Status Destroyed Exhibition, referring to a "palace of very crystal".[2] Type Exhibition palace After the exhibition, it was decided to relocate the Palace to an area of Architectural style Victorian South London known as Penge Common. It was rebuilt at the top of Town or city London Penge Peak next to Sydenham Hill, an affluent suburb of large villas. It stood there from 1854 until its destruction by fire in 1936. The nearby Country United Kingdom residential area was renamed Crystal Palace after the famous landmark Coordinates 51.4226°N 0.0756°W including the park that surrounds the site, home of the Crystal Palace Destroyed 30 November 1936 National Sports Centre, which had previously been a football stadium Cost £2 million that hosted the FA Cup Final between 1895 and 1914. -
Thompson, Mark S. (2009) the Rise of the Scientific Soldier As Seen Through the Performance of the Corps of Royal Engineers During the Early 19Th Century
Thompson, Mark S. (2009) The Rise of the Scientific Soldier as Seen Through the Performance of the Corps of Royal Engineers During the Early 19th Century. Doctoral thesis, University of Sunderland. Downloaded from: http://sure.sunderland.ac.uk/3559/ Usage guidelines Please refer to the usage guidelines at http://sure.sunderland.ac.uk/policies.html or alternatively contact [email protected]. THE RISE OF THE SCIENTIFIC SOLDIER AS SEEN THROUGH THE PERFORMANCE OF THE CORPS OF ROYAL ENGINEERS DURING THE EARLY 19TH CENTURY. Mark S. Thompson. A thesis submitted in partial fulfilment of the requirements of the University of Sunderland for the degree of Doctor of Philosophy. February 2009 TABLE OF CONTENTS. Table of Contents.................................................................................................ii Tables and Figures. ............................................................................................iii List of Appendices...............................................................................................iv Abbreviations .....................................................................................................v Abstract ....................................................................................................vi Acknowledgements............................................................................................vii SECTION 1. INTRODUCTION......................................................................... 1 1.1. Context ................................................................................................. -
Betonösszetevők Hatása Az Alagútfalazatok Hőtűrésére
Budapesti Műszaki és Gazdaságtudományi Egyetem Építőanyagok és Mérnökgeológia Tanszék 1111 Budapest, Műegyetem rkp. 3. PhD értekezés BETONÖSSZETEVŐK HATÁSA AZ ALAGÚTFALAZATOK HŐTŰRÉSÉRE Fehérvári Sándor okl. építőmérnök Tudományos vezető: Dr. Salem Georges Nehme, PhD egyetemi docens Budapest 2009. április PhD értekezés Betonösszetevők hatása az alagútfalazatok hőtűrésére Fehérvári Sándor Tartalom Jelölések és rövidítések d Fogalmak d ELŐSZÓ I 1. BEVEZETÉS, PROBLÉMAFELVETÉS 1 1.1 Alagúti katasztrófák, balesetek 1 1.2 Hazai előírások, tapasztalatok 2 1.3 Az értekezés témája 3 1.4 Az értekezés célkitűzései 3 2. AZ ALAGÚTTÜZEK TERMÉSZETE 4 2.1 A hőteher 4 3. AZ ALAGÚTTÜZEK HATÁSA A VASBETON FALAZATRA 7 3.1 Tűzvédelem 7 3.2 Vasbeton alagútfalazatok viselkedése tűz esetén 7 3.3 A vasbeton falazat tűzállósága 7 3.4 A beton viselkedése nagy hőmérsékleten 8 3.5 Mechanikai jellemzők változása 9 3.6 Réteges leválás 13 4. LABORATÓRIUMI KÍSÉRLETEK 14 4.1 Kísérletek áttekintése 14 4.2 Kísérleti receptúrák 14 4.2.1 Cementpépek 14 4.2.2 Betonok 16 4.3 Hőterheléses vizsgálat 17 4.3.1 Általános vizsgálat 17 4.3.2 Alkalmazott hőfoklépcsők és próbatest darabszámok 17 4.3.3 Különleges hűtési módok 18 4.4 Vizsgálatokhoz felhasznált eszközök 19 4.5 Eredmények ábrázolása 19 5. A TISZTA PORTLANDCEMENT FAJLAGOS FELÜLETE ÉS A CEMENTPÉP VÍZ/CEMENT TÉNYEZŐJÉNEK HATÁSA A CEMENTKŐ MARADÓ NYOMÓSZILÁRDSÁGÁRA ÉS KÉMIAI JELLEMZŐIRE 20 5.1 Fajlagos felület hatása a tiszta portlandcementek hőtűrésére 20 5.2 Víz/cement tényező hatása a tiszta portlandcementek hőtűrésére 22 5.3 Ca(OH)2 szint változása a hőmérséklet emelkedésével 24 5.4 Összefoglalás 25 6. KIEGÉSZÍTŐ-ANYAGOK HATÁSA A CEMENTKŐ MARADÓ MECHANIKAI JELLEMZŐIRE 26 6.1 Mészkőliszt és kohósalak adagolásának hatása a cementkő maradó nyomószilárdsági jellemzőire, állandó víz/finomrész tényező esetén 27 6.2 Mészkőliszt, dolomitliszt, kohósalak, kvarcliszt és barit adagolásának hatása azonos víz/portlandcement tényező esetén a cementkő hőterhelés utáni maradó nyomószilárdsági jellemzőire 29 6.3 Összefoglalás 32 7.