A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Equipment and installation methods used for satisfactory suspension roof support in large diameter tunnel; results of experimental roof bolting in East Delaware tunnel, NY; 124,350 bolts installed have satisfactorily supported 65,187 lin feet of roof; no fatalities and no roof falls; saving in steel; increased efficiency. (See also U S Bur Mines -- Information Cir n 7652 Nov 1952 9 p, 18 supp plates)
Equipment and installation methods used for satisfactory suspension roof support in large diameter tunnel; results of experimental roof bolting in East Delaware tunnel, NY; 124,350 bolts installed have satisfactorily supported 65,187 lin feet of roof; no fatalities and no roof falls; saving in steel; increased efficiency. (See also U S Bur Mines -- Information Cir n 7652 Nov 1952 9 p, 18 supp plates)
Roof-bolting Delaware aqueduct
Engineering
Platt, D.H. (author)
Engineering ; 175
1953
2 pages
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
Roof-bolting Delaware aqueduct
| Engineering Index Backfile | 1952
Engineering Index Backfile | 1940
Engineering Index Backfile | 1942
| Engineering Index Backfile | 1953
| Engineering Index Backfile | 1952