38 
CHENOWETH, A.C. Are Piles Spirally 
Wound Safe in Sea Water? Eng. N. 
Rec., v. 80 (1918), p. 926. 
Claims immunity from sea-water attack for 
‘“Chenowith”’ reinforced piles. 
CHRISTIANI, Rup. Ciment Fondu or 
Alcement. (English translation by 
E. L. Heidenreich). Concrete, v. 22 
(1923), p. 25-28. 
Co1cnet. See III. 
CouuierR, B.C. Use of Gunite in Pres- 
ervation of Concrete Structures Af- 
fected by Sea-Water Action. Can. 
Eng., v. 39 (1920), p. 457—459. 
Describes successful repair of concrete struc- 
tures damaged by sea water. 
Crum, R. W. Concrete Mizture and 
Mixing for Draintile. Concrete, v. 
12 (1918), p. 85-86. 
Discusses proportioning and mixing of concrete 
for tile. Conclusions from practical tests. 
Using Iowa Gravel in Concrete. 
The Iowa Engineer, v. 22 (1921-22), 
No. 4, p. 1-3. 
Discusses grading and proportioning of gravel 
aggregate in its relation to the strength of the re- 
sute concrete. Tabular and diagrammatic 
DieckMaANN, G. P. Some Experiments 
in Curing Tile. Cem. & Eng. N., 
v. 24 (1912), p. 207. 
Seven-day strength tests on tile cured by 
various methods. General description of tests 
and conclusions drawn. 
D’Rowan, W. Manufacture and Use 
of Slag Cement and Other Substitutes 
for Portland Cement. Eng. & Contr., 
v. 34 (1910), p. 160-162 (Ed. com- 
ment, p. 157.) 
Various recipes for making slag and puzzolan 
cements. 
DycKkERHOFF, R. and L. TEtTmagsor. 
Action of Certain Admiztures on Port- 
land Cement. Inst. Civil Eng.(Lond.) 
Min. & Proc., v. 81 (1884-85), p 
346-348, 349-351. 
Results of tests of effects on strength of various 
pulverized admixtures. Critical discussion by 
Tetmajor. 
ELECTRO-CHEMICAL Supply & ENGI- 
NEERING Co. Acid-Proof Imperme- 
able Cement. Chem. Abs., v. 13 
(1919), p. 1915. 
Composition of a waterproof and acid-proof 
cement patented in France. 
FramMM, F. Alteration in chemical com- 
position of cement Containing Differ- 
ent Amounts of Calcium Sulphate in 
Sea Water. Chem. Zeit., v. 35, p. 
256. Abs. Chem. Abs., v. 5 (1911), 
p. 2316. 
Describes tests and results showing that SO3 
content is not injurious to sea-water concrete. 
Influence of Gypsum on Port- 
land Cement Concrete in Sea Water. 
Protokoll der Verhandlungen des 
Vereins Deutscher Portland-Zement- 
Fabri-kanten, Berlin, 1911, _ p. 
226-248. Abs. Inst. Civil Eng. 
BULLETIN 1314, U. S. DEPARTMENT OF AGRICULTURE 
(Lond.) Min. & Proe., v. 187 (1911- 
12), p. 366. 
Discusses strength and chemical tests on 
cements of high and low sulphuric acid content 
exposed to sea water. Results and conclusions. 
Tabular data. 
FRASER, O. Effect of Confined and 
Compressed Air on Exposed Sea 
Walls. Eng. N., v. 58 (1907), p 
589-590. 
Discusses relative value of gravel and broken 
stone for sea-wall concrete, and air compression 
in pores as cause for disintegration. 
FREDE, GEorG W. On the Behavior of 
Calcium Sulphate in Hydraulic 
Binders.. Zement, (Feb. 1, 1923), 
p. 35-36. 
Gary, M. Report upon the Behavior of - 
Hydraulic Mortars in Sea Water—ITI. 
Conclusions. Mitt. Kgl. Matpr., v. 
37 (1919), p. 182-170. Abs., Chem. 
Abs., v. 14 (1920), p. 2694. Conel., 
Cone. & Const. Eng., v. 14 (1919), D. 
686. 
Results of 15-year tests on mortars and con- 
cretes of high and low lime content and various 
mixtures oftrass. Tabular data. LUlustrated. 
See also Poutsen, A., M. Gary, and 
C. ScHNEIDER, III. 
GassIER. Note on Comparative Me- 
chanical Strengths and Stabilities in 
Sea Water of Crushed Sand Mortars 
and Sea-Sand Moriars. Int. A. T. 
M. Prac., 6th Cong. (1912), Paper 
XVII-5, 9 p 
Description and conclusions of tests covering 
15 years. Tabular data and diagrams. 
GorretTTE, J. L. See ITI. 
GREEMAN, R. 8. See IV. 
Grun, R. Influence of Blast Furnace 
Slag Gases (Sulphurous and Hydro- 
Sulphuric Acids) Steam and Heat on 
Reinforced Concrete. Bet. u. His., v 
22 (1923), p. 267. 
Hampsuiocn, I. A. Exposure of Rein- 
forced Concrete Structures to Action of 
Sea Water. de Ingenieur (The 
Hague), v. 22 (1914), p. 43-44. 
Abs., Inst. Civil Eng. (Lond.) Min. 
& Proe., v. 197 (1913-14), part 3. 
Explains beneficial results of using puzzolan 
cements for sea-water structures. 
HERRMAN, P. Dichtungs und Schutz- 
mitiel fur Zementortel und Beton. 
Bet. u. Eis., Jan. 4, 1916. 
Laboratory experiments on protective coatings 
for concrete. 
Hiro, I. Long Time Tests of Portland 
Cement. A. S. C. E. Trans., v. 76 
(1913), p. 1027-1044. 
Tests covering 14 years on cement and mortar 
briquettes in sea water. Tabular and diagram- 
matic data. Discussed by various engineers 
with accounts of other long time tests in air and 
water. 
Long-Time Tests of Portland 
Cement, Hydraulic Lime, and Vol- 
canic Ashes. Jour. College Engi- 
neering, Tokyo Imperial Univ., vy. 10 
(1920), p. 155-172. 
