File:Cement houses and how to build them. (1908) (14596386509).jpg

Identifier: CementHousesAndHowToBuildThem (find matches)
Title: Cement houses and how to build them.
Year: 1908 (1900s)
Authors: William A. Radford
Subjects: house plans -- catalogs domestic architecture cement houses concrete houses
Publisher: Radford Architectural Company
Contributing Library: MBJ collection

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O BUILD THEM. 25 tained by multiplying the tensile strengthgiven in the above table by the constant six(6). (Note. This would increase with theage of the mortar, and would be greaterfor good gravel or stone concrete than forthe clear mortar of which a given concreteis made.) In fixing the minimum time required forcuring and aging blocks before use, dueregard should be given to the proportionsused. It is manifestly wrong in principleto require as long a period for a 1 to 2 ora 1 to 3 block as might seem necessary fora 1 to 4 or a 1 to 5 block, and it is obviouslyunsafe to attempt to use a block of lean posed upon blocks for minor and lessimportant uses. Marking. All cement blocks should bestamped (in process of making), showingname of manufacturer, date (day, monthand year) made, and composition or pro-portions used. The place of manufacture,methods and materials should also be opento inspection by representatives of theBuilding Departmest, the Architect, Engi-neer or individual buyer.
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*• Pi^AiM PF CEMENT PpRCH — proportions in as short a time as a richmixture would gain the necessary strength. This might be supposed to be met by fix-ing the minimum resistance to crushing ofblocks (of all compositions); but it mustbe kept in mind that a very small percent-age of the blocks used are tested, by reasonof the expense, inconvenience, or lack offacilities. The required minimum resistance tocrushing of first-class blocks used for ex-terior and bearing walls should not be im- Establishing a Block Plant. Location of Plant. The first thing totake under consideration is the proximityto the raw material, both sand and roughstone or granite. This point should be welllooked into before a location is decidedupon. It is necessary to have good roadsfrom the plant at all seasons of the yearin order to facilitate delivery of productand receive materials. The place wherethe plant is located should be level, andof sufficient space to provide for yard roomand the laying of tracks, es

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