From the first American attempts at fireproof construction in the 1790s to the steel and concrete high-rises of the early twentieth century, The Fireproof Building traces the development of structural fire protection in America and its important consequences for building construction as well as for the safety of cities. Urban conflagrations destroyed many downtowns in the nineteenth century. To protect their property, some owners made their buildings fire-resistive--or as they were called in the past, fireproof--by using new kinds of noncombustible materials and arranging the space inside to check the spread of fire. As these methods improved and owners replaced combustible buildings with fireproof ones, urban firestorms became a thing of the past.
Sara E. Wermiel explores the work of the pioneers of structural fire protection, such as the architect Peter B. Wight. She explains when and why the materials of fireproof construction, including structural iron and hollow tile, came into use. Yet the relatively high cost of these materials discouraged owners from adopting them. The system finally began to be used widely at the end of the nineteenth century, after large cities had enacted building laws mandating fireproof construction for tall buildings and theaters. Wermiel shows the impact of building laws on the development of technology: the laws stimulated demand for fireproofing materials, which spurred innovation and drove down costs.
Although introduced simply as noncombustible substitutes for wood, the materials of the fireproof building--notably, structural iron and steel, and concrete--became the standard for commercial buildings in the twentieth century. Not only did theyreduce the risk of fire, but after architects adapted them to create the skeleton frame--the sine qua non of the modern skyscraper--they revolutionized building construction.
"Sweeping fires are so unusual in American cities today that the once dreaded word conflagration sounds quaint to modern ears. This relative peace is quite different from the situation in the past. In the nineteenth century, even excluding the period of the Civil War, the United States averaged about one conflagration per year--conflagrations defined in this case as a fire involving groups of buildings that destroyed property valued at the time at $1 million or more. No part of the nation was exempt: great fires incinerated parts of city centers from Portland, Maine, to Charleston, South Carolina, downtown Seattle as well as Chicago."--from the Introduction
... George W. 318 Neal , Lonnie G. 126 , 312 Nickerson , William J. 11 Nokes , Clarence 121 Page , Lionel F. 356 ... Wanda Anne A. 150 Small , Isadore , III 135 Smart , Brinay 106 Smith , Jonathan S. , II 312 Smith , Morris Leslie 312 ...
... 191.96 Don Garlits Zeuschel / Fuller / Don Moody Masters / Richter / Bob Haines 192.30 1963 7.77 Greer / Black / Don Prudhomme Masters / Richter / Bob Haines 196.92 1982 256.41 5.54 1983 257.14 5.39 1984 264.70 1985 Don APPENDIX 2 341.
Technology and the Visual Arts in the Nineteenth Century
Is scientific theory really just a matter of persuasion? Do scientists merely invent rather than discover? Do scientists merely invent rather than discover? Indeed, do brute facts of nature gain meaning only within a rhetorical context?
Billy , 144 , 145 , 150 , 154 Mitchell , Charles , 154 Mitman , Gregg , 121 Moffett , Adm . William , 154 Mönichkirchen , 121 Monroe Doctrine , 186 Monte Rosa , 43 Montesquieu , Baron de ( Charles de Secondat ) , 6 , 228 , 229 ...
現代文明最重要、最複雜、最難以述說的一段歷史。 左右人類命運的,不是神,而是科學大轉折! 史詩般壯闊、細膩交錯編織的科學發展史。 ...
C .帕莫( ) ,美國陸軍你戴爾電腦公司( )有什麼點子?菲利絲.麥康奈爾( ) ,如果這些辦法都無效,怎麼辦?接下來怎麼辦?雪莉.賈瑞特( ) ,專業講師及作家我們如何贏得這個顧客的喝采?艾薇.馬修( ) ,考克斯傳播公司( )人力資源公司( )你今天要如何影響組織, ...
恒星照相从 1857年由邦德开始实验以后,在60年代由英国天文爱好者沃伦·德拉鲁(公元1815~1889年)和美国的刘易斯·莫里斯·拉瑟弗德(公元1816~1892年)继续发展着,他们拍到了星团(如昴星团)的优秀照片。但是首先拍得一大批恒星照片的天文学家当推美国的杰.
當時已經以格林威治的皇家天文臺為中心。是無所不通的虎克所計畫的;當時他與雷恩爵士在大火( Great Fire )之後再建倫敦。航海者離岸很遠時,要定出自己的位置(經、緯度) ,就可以把他對星星的讀數與格林威治的讀數比較。
Renaissance diplomat and part-time spy, William Hakluyt was also England's first serious geographer, gathering together a wealth of accounts about the wide-ranging travels and discoveries of the sixteenth-century English.