 When it is necessary to mix by hand, the mixing shall be on a watertight platform of sufficient size to accommodate men and materials for the progressive and rapid mixing of at least two batches of concrete at the same time. Batches shall not exceed one-half...  Graphics and Structural Design - Page 360by Howard Drysdale Hess - 1913 - 426 pagesFull view - About this book
 | Frank Harvey Eno - Cement - 1904 - 288 pages
...shall be clean and reasonably clear, free from sulphuric acid or strong alkalies. Mixing by Hand. (1) Tight platforms shall be provided of sufficient size...progressive and rapid mixing of at least two batches at concrete at the same time. Batches shall not exceed one cubic yard each, and smaller batches are... | |
 | Ontario. Department of Mines, Ontario. Bureau of Mines - Geology - 1905 - 712 pages
...shall be clean and reasonably clear, free from sulphuric acid or strong alkalies. Mixing by Hand: (1) Tight platforms shall be provided of sufficient size...progressive and rapid mixing of at least two batches (if concrete at the same time. Batches shall not exceed one cubic yard each, and smaller batches are... | |
 | Ontario. Department of Mines, Ontario. Bureau of Mines - Geology - 1905 - 668 pages
...shall be clean and reasonably clear, free from sulphuric acid nr strong alkalies. Mixing by Hand : (1) Tight platforms shall be provided of sufficient size...progressive and rapid mixing of at least two batches ftf concrete at the same time. Batches shall not exceed one cubic yard each, and smaller batches are... | |
 | Ontario. Legislative Assembly - Ontario - 1905 - 1154 pages
...shall be clean and reasonably clear, free from sulphuric acid or strong alkalies. Mixing by Hand: (1) Tight platforms shall be provided of sufficient size...progressive and rapid mixing of at least two batches nf concrete at the same time. Batches shall not exceed one cubic yard each, and smaller hatches are... | |
 | Ontario. Legislative Assembly - Ontario - 1905 - 1162 pages
...alkalies. Mixing by Hand: (1) Tight platforms shall be provided of sufficient siée to acco: niodate men and materials for the progressive and rapid mixing of at least two batch of concrete at the same time. Batches shall not exceed one cubic yard each, and smalltbatches... | |
 | American Railway Engineering and Maintenance-of-Way Association - Railroad engineering - 1907 - 308 pages
...mixture. 5. Water shall be clean and reasonably clear, free from sulphuric acid or strong alkalies. 6. (a) Tight platforms shall be provided of sufficient...batches of concrete at the same time. Batches shall not Cement. Sand. Stone. Gravel. Water. Mixing by Hand. * Adopted, Vol. 3, 1902, pp. 310, 348. t Adopted,... | |
 | Ernest McCullough - Municipal engineering - 1908 - 518 pages
...shall be clean and reasonably clear, free from sulphuric acid or strong alkalies. MIXING BY HAND— fl) Tight platforms shall be provided of sufficient size...at least two batches of concrete at the same time. Catches shall not exceed one cubic yard each, and smaller batches are preferable, based upon a multiple... | |
 | Ira Osborn Baker - Masonry - 1909 - 816 pages
...shall be clean and reasonably clear, free from sulphuric acid or strong alkalies. 6. Mixing by Hand, (a) Tight platforms shall be provided of sufficient...concrete at the same time. Batches shall not exceed one cubif yard each, and smaller batches are preferable, based upon a multiple of the number of sacks to... | |
 | John Christian Ostrup - Reinforced concrete - 1910 - 120 pages
...shall be clean and reasonably clear, free from sulphuric acid and strong alkalies. 312. Mixing by Hand: (a) Tight platforms shall be provided of sufficient...concrete at the same time. Batches shall not exceed 1 cubic yard each, and smaller batches are preferable, based upon a. multiple of the number of sacks... | |
 | American Railway Engineering Association - Railroad engineering - 1911 - 520 pages
...thoroughly mixed. 30. When it is necessary to mix by hand, the mixing shall be on a watertight platform of sufficient size to accommodate men and materials...concrete at the same time. Batches shall not exceed one-half cubic yard each. The mixing shall be done as follows : The fine aggregate shall be spread... | |
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