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  Challenges in Underground Construction of XRL West Kowloon Terminus (2)

  The Hong Kong Section of the Guangzhou-Shenzhen-Hong Kong Express Rail Link (XRL) is a 26 km long underground railway which starts from the West Kowloon Terminus (WKT) and connects to the Mainland Section of XRL at Hong Kong / Shenzhen Border. It was funded by the Hong Kong Special Administrative Region (HKSAR) and managed by the Mass Transit Railway Corporation (MTRC). WKT is the underground station within the Hong Kong section. The WKT is located within a footprint of approximately 110,000 m2. Above ground, the terminus is signified with a steel entrance structure with sophisticated design and become a landmark representing the high-speed train terminus. The WKT is a 4-level underground station with a total of 380,000 m2 gross floor area. This paper describes the challenges in construction scheme envisaged the station structure to be constructed using areas of top-down and bottom-up construction methods in order to utilising a proprietary form and falsework system. This paper also summaries an overview of the intense monitoring recorded during the implementation of the response actions to verify whether the actions are having the desired effect of controlling movements and safeguarding the construction of the underground terminus and the nearby existing building structures & utilities.

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