14 
New York (City) Boarp or WATER 
Suppty. Relation of Porosity to 
Disintegration in Concrete. N. Y. 
(City) Water Supply Bd. An. Rpt., v. 
8 (1913), p.66. Abs., Eng. R., v. 70 
(1924), p. 268. Abs., Chem. Abs., 
v. 9 (1915), p. 139. 
Describes tests showing injury to concrete by 
continuous percolation. 
NEWBERRY, S. B. and A. C., and H. C. 
Morrison. Integral Waiter proofing 
for Concrete. St. Louis Eng. Club 
Jour., v. 2 (1917), p. 297-302. 
Discusses relative merits of surface and integral 
waterproofing and their action. Notes tests of 
a commercial integral waterproof compouhd. 
NeEwHALL, C. A. Action of Ground 
Waters on Cement Sewer Pipe. Con- 
inact.-Ree. Gibar. 29 1922). p. c2oke 
NirzscHn, H. Behavior of Cement in 
Water Containing Sulphuric Acid. 
Sci. Am. S., v. 83 (1917), p. 334. 
Results of tests of sulphuric acid on Portland, 
iron-ore, and blast-furnace-slag cements. 
Behavior of Different Cements 
in Solutions of Sodium and Mag- 
nesium Sulphates of Varying Con- 
centration. ‘Technik und Industrie 
(1919), p. 81-90. 
Calcium Aluminum Sulphate 
as a Destroyer of Concrete. Zeit. 
Ang. Chem., v. 31 (1918); -pt. I, p. 
195-196. Ibid., v. 32 (1919), pt. I, 
p. 21-24. Abs., Soc. Chem. Ind. 
OUT ve obs Dae abs. 1 OCs 
Chem. Ind: Jour., v.. 38, p. 78a: 
Abs., Soc. Chem. Ind. Jour., Nov. 10, 
1919. Abs., Cone. & Const. Eng., 
Nov., 1919. Abs., Chem. Abs., v. 
13, p. 1006 and 2748. 
Technical discussion of action and preventa- 
tive measures. 
Orton, E., JR., and others. Use of 
Cement in Sewer Pipe and Drain- 
tile Construction. A. P. C. M. Bul. 
19 (1908), 43 p. Disc., Cem. Era, 
v. 6 (1908), p. 164-165. 
Opinions pro and con, concerning efficiency 
of concrete pipe for sewers and drains. Concrete 
versus clay. Mainly a defense of concrete. 
Petry, W. See IV. 
Pierce, G. Destructive Action of Al- 
kali upon Concrete. Mining Science, 
v. 63 (1911), p. 130 (4 col.). Abs., 
Chem. Abs., v. 5 (1911), p. 1503. 
Discusses action and describes a new low- 
lime-high-silica ‘‘alkali-proof’’ cement manu- 
factured in Colorado. Tabular data of composi- 
tion, strength, tests, ete. Illustrated. 
Pinckney, R. M. See Burks, E. and 
R. WV. PINcKNEY;,,.1l)\) Burne, Wy 
R. M...Pinckney, and E..T. Tan- 
watt, II. 
PINKERTON, P. W. Second Rebuilding 
of Waterworks, Montrose, Colo. Eng. 
N., v. 73 (1915), p. 883+884. 
Describes failure due to alkali of wood-stave 
conduit. 
Potter, C. J. See VI. 
BULLETIN 1314, U. S. DEPARTMENT OF AGRICULTURE 
Putver, H. E. See IV. 
Ramsower, H.C. Cement Drain Tile. 
Sci. Am., v. 120 (1919), p. 30. 
Suggestions as to manufacture and use. 
Cement against clay tile discussed briefly. 
REBuFFAT. See ITI. 
Reyes, F. D. See Wirt, J.C. and 
F. D. Reyes, IV. 
RIcHARDSON, R. D. See IV. 
Ropt, V. See IV. 
RouuanpD, P. Action of Magnesium 
Salis on Concrete and Reinforced 
Concrete. Zeitschrift des Vereins 
deuscher Ingenieure, v. 56, p. 1720- 
P7210 Abs.i0Chem) IAbsi Paiva ut 
(1918), p. 544. 
Discusses action, 
preventative. 
Cement Preservative, ‘‘ Nigrit.’’ 
Ton. Zeit., v. 32, p. 52, also p. 698. 
oe Chem. Abs., v. 2 (1908), p.: 
Discusses merits of this commercial product a 
a protection against solutions, acids, etc. 5 
See also IV. 
Sartori, A. Action of Sulphates on 
Concrete. Chem. Zeit., v. 39 (1915), 
p. 957. 
Scuicx, E. Destruction of Concrete by 
Constituents of the Soil. Ton. Zeit., 
v. 36, p. 358. Abs., Chem. Abs., v. 
6 (1912), p. 1833. 
Discusses action of soluble sulphates. 
SCHIFFNER. See LV. 
Scuuick, W. J. Investigations of Test 
Methods for Determining the Dura- 
bility of Concrete Draintile in Alkali 
Soils. Iowa State College, Progress 
report, March, 1922... 
Scuott. See IV. 
SEWELL, J. S. See Humpurey, R. L. 
and J. S. Sewe 1, ITI. 
Sims, C. E. and G. P. Dizrckman. FEf- 
fects of Alkalt on Concrete Draintile. 
Conc. Cem. Age, v. 6 (1915), p. 
278-281. Abs., Chem. Abs., v. 9 
(1915), p. 2137. 
Full description of manufacture, installation, 
and disintegration of 22-inch drain in Iowa, and 
ee ae investigation of conditions. Tabular 
SmitH, G. E. P. Failure of a Concrete 
Pipe Conduit. Eng. N. Rec., v. 83 
(1919), p. 113-115. 
Describes peculiar failure of 20-inch concrete 
Pipe in Arizona and discusses tests indicating the 
cause to be differential expansion due to absorp- 
tion. Diagrammatic data. Mlustrated. 
SpacKMANN, H. S. Relation of the 
Lime Content of Cement to Durability 
of Concrete. Concrete (1911), No. 2, 
p:, d2-0e.: .. Abs., Chem.,.Abs.,..V.) 
(1911), p. 3505-3506. 
Discusses action of salt waters and the causes 
and prevention. 
content. 
and trass admixture as 
Special reference to lime 
