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  1. www.straitstimes.com › singapore › transportFarrer Road collapse in November a result of tunnelling machine...

    Jan 26, 2023 · Jan 25, 2023, 09:31 PM. SINGAPORE - In an update more than two months after tunnelling works caused part of Farrer Road to collapse, the Building and Construction Authority (BCA) said a tunnel...

  2. Images

    • Sinkholes Swallowing People, Homes, & Vehicles All Across the World ...
    • Understanding Sinkholes · Earth Engineering Incorporated
    • Largest Sinkhole On Earth - The Earth Images Revimage.Org
    • HOLE Lot Of Trouble: These Are Undoubtedly The World's Scariest ...
    • What Are Sinkholes And How Do They Work?

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  3. www.straitstimes.com › singapore › transportSlip road to Farrer Road closed for repair of cave-in, PUB hopes...

    Nov 16, 2022 · National water agency PUB said late on Wednesday night that “a sinkhole and some cracks were observed on the slip road”, where tunnelling work for a section of the Deep Tunnel Sewerage System...

  4. www.channelnewsasia.com › singapore › deep-tunnel-sewerageTunnelling works completed for Phase 2 of Singapore's sewage ...

    Aug 21, 2023 · SINGAPORE: Tunnelling works for the second phase of Singapore's Deep Tunnel Sewerage System (DTSS) have been completed, PUB said on Monday (Aug 21).

    • 3 min

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  6. www.researchgate.net › profile › Nick-ShirlawSETTLEMENTS AND SINKHOLES IN SINGAPORE - ResearchGate

    Nov 12, 2003 · SHEPPARD SUBWAY, TORONTO. SINKHOLE DEVELOPMENT - NARROW IN STIFF MATERIALS, WIDER IN SOFT. SINKHOLES OR SETTLEMENTS> 150mm, EPB TUNNELLING. Tunnel Year Length Incidents No./km Strata Phase 2...

  7. www.researchgate.net › publication › 305905136_Singapore(PDF) Singapore tunneling: Challenges and innovations in ... -...

    Jun 23, 2016 · For example, Singapore's North East Line tunnel construction reported a total of 20 sinkholes with settlements more than 15 cm throughout a tunnel stretch of 20 km.

    • Nick Shirlaw

  8. tnp.straitstimes.com › news › singaporeSinkhole in Punggol, Latest Singapore News - The New Paper

    Mar 1, 2017 · A sinkhole appeared on a road near a school in Punggol on Tuesday (Feb 28) night. A hole about 30 to 40cm wide opened up near a traffic junction in front of Edgefield Secondary School, Punggol...

  9. trid.trb.org › view › 699632SINKHOLES IN SINGAPORE - Transport Research International...

    Results from an analysis of sinkholes in Singapore were presented. The analysis showed that sinkholes occurred 1) at or around launching chambers or repetition shafts 2) when mixed faces or geological boundaries surrounded the tunnel face, or 3) where face pressure was well below natural water pressure.