This paper introduces the application of the pipe jacking techniques used in the construction of the first biggest tunnel for electrical power distribution between Lard Prao and Viphavadi Terminal Stations for Metropolitan Electricity Authority (MEA).

The method used for calculating pile capacity is based on the effective stress approach applying beta and Nt-coefficients to determine the shaft and toe resistances. The capacities of the two driven piles, the pipe pile and the H-pile, are assumed to be about ...

The first part of this article deals with the design and construction measures taken for the 880 m-head unlined pressure shaft. The latter part deals with a new concept for sealing of the concrete section at the base of the pressure shaft which has been introduced ...