Sprayed concrete linings (NATM) for tunnels in soft ground 

 - London :  Thomas Telford,  1996 
 - x, 88 p. :  ill. ;  30 cm. 
 - ICE design and practice guides .
<br/><br/>References: p. 84-87 
<br/><br/><label>ISBN: </label>0727725122 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tunnels--Design and construction