WO1990015223A1 - Tunnel a pont immerge - Google Patents

Tunnel a pont immerge Download PDF

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Publication number
WO1990015223A1
WO1990015223A1 PCT/AU1990/000234 AU9000234W WO9015223A1 WO 1990015223 A1 WO1990015223 A1 WO 1990015223A1 AU 9000234 W AU9000234 W AU 9000234W WO 9015223 A1 WO9015223 A1 WO 9015223A1
Authority
WO
WIPO (PCT)
Prior art keywords
tunnel
immersed
headstocks
concrete
crossing
Prior art date
Application number
PCT/AU1990/000234
Other languages
English (en)
Inventor
Marcus Lee Gibbon
Paul Salteri
Original Assignee
Transfield Construction Pty Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Transfield Construction Pty Limited filed Critical Transfield Construction Pty Limited
Publication of WO1990015223A1 publication Critical patent/WO1990015223A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/063—Tunnels submerged into, or built in, open water
    • E02D29/067—Floating tunnels; Submerged bridge-like tunnels, i.e. tunnels supported by piers or the like above the water-bed

Definitions

  • the present invention seeks to provide a new form of tunnel crossing which requires shorter accessways and are cheaper to construct than existing conventional crossings.
  • Figure 1 shows one embodiment of the present invention in its reinforced concrete form
  • Figure 4a to 4c illustrate one method of positioning piers using steel piles and steel headstock to support a tunnel of the present invention
  • FIG. 9 illustrates the joining of two immersed tunnel elements
  • the tunnels according to the embodiments of the present invention can be constructed as shown in Figures 1, 2 and 3 wherein the immersed tunnel units 1 are supported on headstocks 2 which are held above the sea floor by appropriate piles 3.
  • the appropriate pile caps or headstocks can be constructed from steel or concrete or in appropriate composite and levelled in line under water by any existing technique, such techniques are commonly used in off shore oil platform constructions.
  • FIG. 5a to 5c A further method of construction of the headstocks is shown in Figures 5a to 5c wherein the headstocks 8 are temporarily supported on falsework piles 9 and the appropriate piles 3 are driven into engagement at the correct angle through the respective holes in the bottom of the headstock 8.
  • the raked pile foundation provides vertical support for the immersed bridge as well as transverse stability and holds the immersed bridge units against uplift.
  • the design of the immersed bridge units are very similar to that of the conventionally immersed tunnel units, except that whereas the conventional tunnel units are supported evenly along their base, the bridge units of the presen ⁇ . invention are supported at 2 or 3 locations by appropriately piled headstocks and by the connecting shear keys used conventionally to connect immersed units.
  • TIT TE SHEET units which have to support the weight of the overlaying material, used to protect the existing units from shipping.
  • the immersed bridge units would be joined together underwater by any existing appropriate method. Internal concrete ballast is then placed to produce a relative density on each unit of 1.20, after which the immersed bridge unit is permanently secured to the foundation headstocks to ensure that the uplift factor of safety is at least 1.5.
  • the tunnel element 14 can then be floated to an outfitting site, where reinforced concrete forming the inner lining of the tunnel can be poured for example by three transverse pours by traveller mounted forms, and longitudinal segmented pours the size of which are
  • SUBSTITUTE SHEET determined so as to complement the concrete production rate and limit overstressing of the plate by hydrostatic loads or by excessive hogging or sagging moments.
  • the tunnel element is secured by tiedowns or jacks 15 to the adjacent element and the headstock 2. Concrete is then poured into the cap 13 completing the ballasting operation as shown in Figure 7.
  • the temporary jacks 15 are replaced by tiedown pins or bolts 16.
  • Ventilation of the immersed bridge section is firstly considered as part of the total tunnel and all the required services including ventilation are designed for the total tunnel. Those services required for the immersed bridge units are then constructed into those units.
  • the present invention by providing a unique combination of tunnel units and raised piered supports provides a water crossing which is cheaper than existing tunnel crossings and which requires less actual land tunnelling than conventional tunnelling processes.

Abstract

L'invention se rapporte à une nouvelle forme de tunnel de traversée qui nécessite des voies d'accès plus courtes et qui est moins cher à construire que les tunnels existants. L'invention utilise des unités de tunnel qui sont immergées, tout en étant soutenues sur des chevalets (2), lesquels sont maintenus au-dessus du fond marin par des piliers appropriés (3), à une profondeur suffisante pour ne pas gêner la navigation. Les éléments de tunnel immergés (14) sont fixés en position au moyen de flotteurs et sont assujettis par des tirants ou des pitons (15) aux chevalets (2). Ces éléments de tunnel sont ensuite assemblés au tunnel creusé pour former une traversée sous l'eau.
PCT/AU1990/000234 1989-05-31 1990-05-31 Tunnel a pont immerge WO1990015223A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPJ4473 1989-05-31
AUPJ447389 1989-05-31

Publications (1)

Publication Number Publication Date
WO1990015223A1 true WO1990015223A1 (fr) 1990-12-13

Family

ID=3773950

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU1990/000234 WO1990015223A1 (fr) 1989-05-31 1990-05-31 Tunnel a pont immerge

Country Status (1)

Country Link
WO (1) WO1990015223A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106592634A (zh) * 2017-01-11 2017-04-26 中铁隧道勘测设计院有限公司 一种海底观光隧道结构
CN106759494A (zh) * 2017-01-11 2017-05-31 中铁隧道勘测设计院有限公司 一种带观光功能的海底真空隧道
CN107037433A (zh) * 2017-03-22 2017-08-11 中交第航务工程局有限公司 一种用于沉管安装的声呐偏差测控系统及偏差测控方法
US10253904B1 (en) * 2017-11-03 2019-04-09 Cccc Highway Consultants Co., Ltd. Integrated immersed tube coupling and installation method thereof as well as installation closure method of immersed tube coupling
CN113094783A (zh) * 2021-03-19 2021-07-09 中铁第六勘察设计院集团有限公司 一种沉管隧道接头关键设计参数的快速计算方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE582590C (de) * 1931-01-17 1933-08-18 Siemens Bauunion G M B H Komm Verfahren zur Herstellung von Untergrundtunneln
US2211589A (en) * 1935-08-07 1940-08-13 Arthur J Widmer Submerged bridge or tunnel construction
DE1759253A1 (de) * 1968-04-13 1970-05-06 Polensky & Zoellner Unterwassertunnel
GB1316603A (en) * 1969-05-05 1973-05-09 Ballast Nedam Groep Nv Excavation of underwater ground

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE582590C (de) * 1931-01-17 1933-08-18 Siemens Bauunion G M B H Komm Verfahren zur Herstellung von Untergrundtunneln
US2211589A (en) * 1935-08-07 1940-08-13 Arthur J Widmer Submerged bridge or tunnel construction
DE1759253A1 (de) * 1968-04-13 1970-05-06 Polensky & Zoellner Unterwassertunnel
GB1316603A (en) * 1969-05-05 1973-05-09 Ballast Nedam Groep Nv Excavation of underwater ground

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106592634A (zh) * 2017-01-11 2017-04-26 中铁隧道勘测设计院有限公司 一种海底观光隧道结构
CN106759494A (zh) * 2017-01-11 2017-05-31 中铁隧道勘测设计院有限公司 一种带观光功能的海底真空隧道
CN107037433A (zh) * 2017-03-22 2017-08-11 中交第航务工程局有限公司 一种用于沉管安装的声呐偏差测控系统及偏差测控方法
US10253904B1 (en) * 2017-11-03 2019-04-09 Cccc Highway Consultants Co., Ltd. Integrated immersed tube coupling and installation method thereof as well as installation closure method of immersed tube coupling
CN113094783A (zh) * 2021-03-19 2021-07-09 中铁第六勘察设计院集团有限公司 一种沉管隧道接头关键设计参数的快速计算方法
CN113094783B (zh) * 2021-03-19 2022-03-29 中铁第六勘察设计院集团有限公司 一种沉管隧道接头关键设计参数的快速计算方法

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