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Design of concrete prop, to produce prop with minimum quantity of steel, which was roughly 8% by weight; preliminary tests, to find most suitable sites for trials; description of 5 trials at 4 collieries; recovery of steel from crushed props; tests on props with no steel. (see also - (discussion) n 3558 Feb 6 p 126; Instn Min Engrs -- Trans v 101 pt 6 Mar 1942 p 196-216 (discussion) 216-25; Colliery Guardian v 164 n 4228 and 4232 Jan 9 1942 p 27-31 and (discussion) Feb 6 p 125-6)
Design of concrete prop, to produce prop with minimum quantity of steel, which was roughly 8% by weight; preliminary tests, to find most suitable sites for trials; description of 5 trials at 4 collieries; recovery of steel from crushed props; tests on props with no steel. (see also - (discussion) n 3558 Feb 6 p 126; Instn Min Engrs -- Trans v 101 pt 6 Mar 1942 p 196-216 (discussion) 216-25; Colliery Guardian v 164 n 4228 and 4232 Jan 9 1942 p 27-31 and (discussion) Feb 6 p 125-6)
Trials with concrete props at coal face
Iron Coal Trades Rev
Timms, L.C. (author)
1942
Article (Journal)
English
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Trials with concrete props at coal face
Engineering Index Backfile | 1942
|Trials with concrete props at coal face
Engineering Index Backfile | 1942
|Experiments with reinforced concrete props at coal face
Engineering Index Backfile | 1940
|Experiments with reinforced concrete props at coal face
Engineering Index Backfile | 1940
|Engineering Index Backfile | 1940