Popular Hand Book for Cement and Concrete Users: A Comprehensive and Popular Treatise on the Principles Involved and Methods Employed in the Design and Construction of Modern Concrete Work ... |
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Сторінка 2
Mr . Andrew Carnegie is probably best known as a philanthropist interested in
education and free libraries , but it should not be forgotten that he is also
probably the greatest living authority on questions relating to the production of
steel , and ...
Mr . Andrew Carnegie is probably best known as a philanthropist interested in
education and free libraries , but it should not be forgotten that he is also
probably the greatest living authority on questions relating to the production of
steel , and ...
Сторінка 27
It is not adapted to reinforced work because it is so porous that it does not protect
the steel from corrosion . When used , great care must be taken in the mixing and
proportioning of the ingredients . A rich mixture of cement should always be ...
It is not adapted to reinforced work because it is so porous that it does not protect
the steel from corrosion . When used , great care must be taken in the mixing and
proportioning of the ingredients . A rich mixture of cement should always be ...
Сторінка 73
Pressed steel forms are used to a limited extent in concrete column , girder , and
slab construction and their use is likely to increase in the near future on account
of the rapid rise in the price of lumber . The chief difficulties in the use of such ...
Pressed steel forms are used to a limited extent in concrete column , girder , and
slab construction and their use is likely to increase in the near future on account
of the rapid rise in the price of lumber . The chief difficulties in the use of such ...
Сторінка 98
For exterior work and for hollow - walled interiors , metal laths are employed .
These consist of woven wire , expanded metal , riblath , and other forms of steel
fabric , and may be obtained either painted or galvanized . Specifications for Lath
.
For exterior work and for hollow - walled interiors , metal laths are employed .
These consist of woven wire , expanded metal , riblath , and other forms of steel
fabric , and may be obtained either painted or galvanized . Specifications for Lath
.
Сторінка 137
Concrete sills and lintels shall be reinforced by iron or steel rods in a manner
satisfactory to the Bureau of Building Inspection , and the architect or engineer in
charge , and any lintels spanning over four feet six inches shall rest on block
solid ...
Concrete sills and lintels shall be reinforced by iron or steel rods in a manner
satisfactory to the Bureau of Building Inspection , and the architect or engineer in
charge , and any lintels spanning over four feet six inches shall rest on block
solid ...
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amount applied arch bars beam blocks bottom brick bridge building built carrying cause cent centre chapter coat color columns complete compression compressive stress consists construction contains cost covered depth desired diameter effect employed engineer equal face feet finish floor foot forms foundation girders give given gravel ground grout illustrated inches increased length less lime load machine manufacture material metal method mixing mixture mortar mould necessary obtained pile pipe placed plaster Portland cement possible posts pounds practical pressure prevent Price produce proper proportions reinforced concrete removed resistance rods Rule sand side slab space span square steel stone strength stress structure surface TABLE tests thick unit usually various vertical wall waterproofing weight wire
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Сторінка 25 - Pats of neat cement about three inches in diameter, one-half inch thick at the center, and tapering to a thin edge, shall be kept in moist air for a period of twenty-four hours.