.... intermediate working point; aftetrhese 6. The shaft and marshalling chambers works, it was usedto house the permanent were surrounded by a60 m deep cut-off wallof ventilation and pumping equipment. This bentonite cement excavated by jetting to the Paper describes the shaft anidts construc- level of impermeable...

... PILES TOES LOADS SUPPORTS INSTRUMENTATION MOVEMENT TEMPORARY PERMANENT WORKS A deep basement in Aldersgate Street, Proc. Instn civ.Engrs London. Part l:Contractor s design and Ciu. Engng,1993. 98,Feb., 19-26 planning S. P. Marchand, BA(Cuntub), MICE, MIStructE With available land severely...