The San Francisco earthquake and fire of April 18, 1906: and their effects on structures and structural materials

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Page 140 - In fact, San Francisco has violated all underwriting traditions and precedents by not burning up; that it has not done so is largely due to the vigilance of the fire department, which cannot be relied upon indefinitely to stave off the inevitable.
Page 64 - Summary.—While two of the five sections into which the congested-value district is divided involve only a mild conflagration hazard within their own limits, they are badly exposed by the others, in which all the elements of the conflagration hazard are present to a marked degree.
Page 159 - Report of a general committee and of six special committees of the San Francisco association of members of the American Society of Civil Engineers. The effects of the San Francisco earthquake of April 18, 1906, on engineering constructions: Am.
Page 171 - Water-Supply and Irrigation Papers, (7) Topographic Atlas of United States — folios and separate sheets thereof, (8) Geologic Atlas of United States — folios thereof.
Page 161 - Comparison of the faults in the three earthquakes of Mino-Owari. Formosa, and San Francisco: Imperial Earthquake Investigation Committee, BulI., voI.
Page 51 - ... elements of the conflagration hazard are present to a marked degree. Not only is the hazard extreme within the congested value district, but it is augmented by the presence of a compact surrounding great-height, largearea...
Page xi - ... sent to San Francisco for this purpose, as secretary of the National Advisory Board on Fuels and Structural Materials and representing the structural materials division of the United States Geological Survey. At the request of the President, Capt. John Stephen Sewell, Corps of Engineers, United Scales Army, was sent to San Francisco on a similar errand by the War Department under order of April 23, 1906. Frank Soule, dean of the college of civil engineering of the University of California', was...
Page 64 - The above features combined with the almost total lack of sprinklers and absence of modern protective devices generally, numerous and mutually aggravating conflagration breeders, high winds, and comparatively narrow streets, make the probability feature alarmingly severe.
Page 50 - ... connected with the network wherever practicable. They advised that the system of distribution be equipped with a sufficient number of gate valves, so located that no single case of accident, breakage, or repair to the pipe system would necessitate the shutting from service of a length of main greater than the side of a single block (a maximum of 500 feet) in important mercantile manufacturing districts, or than two sides of a* single block (a maximum of 800 feet) in other districts. The building...
Page 120 - A conflagration never yields reliable comparative results, but judging from such comparative results as are available, I think that there is no question that the best fire-resisting material available at the present time is the right kind of burned clay — that is, a good, tough, refractory clay, almost as refractory as fire clay, made into proper shapes and properly burned. Some commercial hollow-tile work is made of good material, but, as a rule, that is the only good thing that can be said about...