After having selected~ clean, well graded materials and mixed them in correct proportions, enough water must be added to make a concrete of quaky or jelly-like consistency. When placed in the forms, this quaky mixture must be thoroughly spaded, both between and against form faces, to produce a dense, watertight mass with smooth surfaces. Tapping the forms while placing the concrete will help to produce a smooth surface and will also release air bubbles which may have been trapped in the concrete while mixing.
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Language - English
Author(s) - Portland Cement Association
Published Date - August 23 2019
ISBN - 9780266452652
Dimesions - 22.9 x 15.2 x 0.5 cm
Page Count - 38
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