| Author | Hsieh, Yu-shan |
| Call Number | AIT Thesis no.GT-86-35 |
| Subject(s) | Tunnels--Taiwan--Design
|
| Note | A thesis submitted in partial fulfilment of the requirements for the degree of Master of Engineering, School of Engineering and Technology |
| Publisher | Asian Institute of Technology |
| Abstract | The support requirements of a section of the Central tunnel (Part
of the South Link Railway Project in Taiwan, R.O.C.) are evaluated using
the New Austrian tunneling method. The analysis is firstly conducted
using four empirical methods the Geomechanics Classification (RMR
method), BIENIAWSKI (1973), the NGI-Q system, BARTON et al., (1974), Rock
Structure Rating (RSR concept), WICKHAM et. al. (1974) and Rock Quality
Designation (RQD), DEERE et al. (1969). Then the carrying capacity of a
modified support system based on an observational approach in the tunnel
is checked by the s hear failure theory of the NAHL An analytical method,
rock-support interaction analysis, is used to determine support requirements for induced stress conditions. These predictions are compared in
order to investigate the applicability and flexibility of the modified
support systems to the rock conditions encountered. A valuation, comparison and correlation of design methods, recommend support works and
geological parameters involved is carried out. A cost analysis of the
support systems provides a comparative evaluation of the predicted support in terms of economy.
The results of the analysis indicate that the rock mass qualities
investigated range from fair to very poor and the corresponding actual
supports used can be reduced to 28% and 8% in cost for fair and poor rock
condition, but should be increased to 10% for very poor rock condition.
The modified support systems are generally more conservative than those
recommended by the four empirical methods; however, t:hey are less conservative than those of a rock-support interaction analysis |
| Year | 1987 |
| Type | Thesis |
| School | School of Engineering and Technology (SET) |
| Department | Other Field of Studies (No Department) |
| Academic Program/FoS | Geotechnical and Transportation Engineering (GT) |
| Chairperson(s) | Rantucci, Giovanni |
| Examination Committee(s) | Chandra, Sarvesh ;
|
| Scholarship Donor(s) | Ret-Ser Engineering Agency, R.O.C . |
| Degree | Thesis (M.Eng.) - Asian Institute of Technology, 1987 |