INDEX. 
Paee. 
Abrasion test : 
Gravel 7 
Stone (j 
Absorption test : 
Brick for masonry construction 40 
Concrete 25 
Pipe ^ 80 
Stone and other coarse aggregate 10 
Tile 80 
Asphalt. See Bituminous material tests. 
Bituminous material tests: 
Distillation 62 
Ductility 01 
Extraction , , , 65 
Flash point 52 
Float test 55 
Penetration 53 
Residue, desired penetration 64 
Sampling 43 
Softening point r>7 
Solubility — 
Carbon disulphide 47 
Carbon tetrachloride 40 
Naphtha 40 
Specific gravity 45 
Specific viscosity 59 
Volatilization 50 
Water, per cent of 70 
Brick : 
For masonry construction 10 
Paving, tests . 35 
Building, for masonry construction 40 
Cast-iron culvert pipe, tests 84 
Cement. Portland, tests 27 
Clay and silt in fine aggregate 10 
Clay and silt in gravel 9 
Coarse aggregate : 
Mechanical analysis 11 
Sampling 2 
Soundness test 8 
Unit weight ,_ 13 
Compression test : 
Concrete field specimens 23 
Concrete from the structure 25 
Concrete laboratory specimens 20 
Fine aggregate 14 
Concrete : 
Absorption test 2§ 
Compression tests 20 
Transverse tests 26 
Concrete aggregate. See Fine or coarse aggregate. 
Control tests. See Tests for control. 
Corrugated metal culvert, tests and inspection 83 
Creosote oil. tests and sampling 71 
Culvert pipe, tests 78 
Distillation of tar and tar products 62 
Drain tile, tests 78 
Ductility bituminous material 61 
Emulsions, test for water in 69 
Expansion joints 45 
Extraction of bituminous mixtures 65 
Fine aggregate for concrete : 
Clay and silt, per cent of 10 
Mechanical analysis 1 1 
Organic matter 14 
Sampling 3 
Strength tests 14 
Flash point, bituminous material 52 
Float test for consistency, bituminous material 55 
Galvanizing : 
Amount on culvert metal 81 
Uniformity on wire, test for 92 
Gravel : 
Abrasion test ' 
Clay and silt, percentage of 9 
Impact test 
Lithological count * 
Method of sampling « 
94 
