ECONOMIC - BUILDING MATERIALS

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP80-00809A000600240073-4
• Release Decision: RIPPUB
• Original Classification: R
• Document Page Count: 2
• Document Creation Date: December 22, 2016
• Document Release Date: July 6, 2011
• Sequence Number: 73
• Publication Date: July 7, 1949
• Content Type: REPORT

Sanitized Copy Approved for Release 2011/07/07 :CIA-RDP80-00809A000600240073-4
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Sanitized Copy Approved for Release 2011/07/07 :CIA-RDP80-00809A000600240073-4
COUNTRY Yugoelavin
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PUBLISHED BelfSrnde
QU6uSHED 15 - 18 May l9?~9
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REPORT N0.
THIS IS UNEVALUATED INFORMA31(?N
BVbDTAf} MAT~IAIB 180M II~D>~l'RIAL W146T68 -- Barba, lfo 11k, 1S 1~ay k9
The lsborstariee as tho Construotion Iastit~te of the feAsral 1[inistry aC
Conetrnctim nrs investigating the goseibiiity of making bnildia~ slateris!
fray aertain iffinstrial rsstesl T"mxs, material for adnns blocks tar partitions
rape ann be obtained through chemical reactions from ~e,.rood caste, and the
stamb of certain pleats. These blocks are very cheap and their nss greatly
speeds crostrnotion.
The Institute has been easgaged fcr some time m the ispravsmssst am appli-
ontion of so-celled elastic ucnorete, n net kiffi of reiaforoed oma4rets saploylas
fine steel tits instead of thick iron rode, and cutting the nee of iron by 80
perosnt, A special rite-etretohiag mechanise ie used !a aakisg this canareis.
The first snob machine rill be finished Boon, This omorets is xary solid, and
can be used even for bxidges.
Ezperimeats are stav in progress on aer, thin oonorete blocks o[ so-celled
scale conetrnotian, rhioh xi11 be used for large lc2ts Sn faotan~ies. ThNe
bloolrs are highly resistant and very cheap,
Other items Using studied at the Institute include enpparts fcr floams and
bridges, which rill be pYOdnoed oeriallj nffi installed an the aatnel ocostrno-
Lim site. Snob prefabrication is much faster, saves road, and is of bsttsa~
quality.
An e=peximeatal type of ceiling beam nor being studied rill be need
throughout Tugoslavia after it is tested.
Iaet year long concrete supports weighing over 2S tone cant used !a the
bridge over the Bosnt Ricer, one of the savor pro~sots on the Brotherhood end
Sty Highway. This ves the first time that large-seals prstlabrioated ccestrno-
tiaa had been used oa }bridge in Zugoelavis. This year tho Institute will supor-
viee the oonetrnotloa pt e=parimaatal psw'abrioated buildings of im