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Construction and Building Materials 25 (2011) 3014–3019

Strength enhancement of s!isehir tu" ashlars in #ur!e$

rcan mir %

& 'dnan (onu!& )*lna+ ,alo g - luDepartment of Mining Engineering, Eski , sehir Osmangazi University, 26480 Me , selik, Eski , sehir, T rkey

a r t i c l e i n f o

!rti"le history#.ecei/ed 4 Ma$ 2009.ecei/ed in re/ised form 11 e ruar$2011 'cce ted 21 e ruar$ 2011

$ey%or&s# #u" Buildingstone 'shlarSla!ed lime

a s t r a c t

#u" has al a$s een a t$ e of material used as natural uilding stone in uilding sector sinceearl$ times #he reason for such a common use des ite its lo strength ro erties and high

orosit$ is the fact that tu" is light eight& eas$ to rocess and has good isolation ro erties'nother ractical area for tu" in uilding sector is its use in cement roduction as o++olan

Ma!ing use of tu"s high orosit$ and of cement roduction rocess& hat is aimed in thisstud$ is enhancement of strength ro erties of hite tu" loc!s in the s!isehir–,er ent Ciftligiregion $ means of treatment in sla!ed lime ath 6alf of the tu" sam les ere !e t in sla!edlime ath for 1 da$ and the other half ere !e t for 1 ee! and then the$ ere su 7ected tounia8ial com ression tests ( CS) #he tests ere conducted on the sam le grou s !e t for :da$s and 2; da$s under atmos heric conditions li!e those of concrete tests 'nal$sis of /ari<ance among the test results sho ed that it as a ro riate to !ee tu" loc!s in lime< aterfor a ma8< imum of 1 da$ and to air


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0950 2011 lse/ier ?td 'll rightsreser/ed doi H10 101DN7 con uildmat 2011 02 005

http://dx.doi.org/10.1016/j.conbuildmat.2011.02.005http://dx.doi.org/10.1016/j.conbuildmat.2011.02.005http://dx.doi.org/10.1016/j.conbuildmat.2011.02.005


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E( Emir et al( ) *onstr "tion an& + il&ing Materials 2 -20../ 0.41 0. 3015

2 Stud$ area and regional geolog$

#he ,er ent Ciftligi region is situated around 20 !m to the

southeast of s!isehir ( ig 1 ) #he reason h$ the ,er entCiftligi region as chosen as the stud$ area is that it iscon/enient for trans ortation and there is still an acti/e tu" ashlar mine in it

SarPi+ et al e8amined the region geolog$ in 19;: anddeAned the units in the region as ,er ent Ciftligi Q hiolitesand Su/atdere ormation SarPi+ et al also determined that

the cla$ de osits& a lo< cal formation& ere formed geneticall$in a condition here the tu"s and tufAtes from Leogene aged

lacustrine serial ere eath< ered surAciall$ and groundaters ere inRuential to some e8tent SarPi+ et al further

identiAed the roc! t$ es com rising ,er ent Ciftligi Q hiolitesand Su/atdere ormation units 'ccordingl$& ,er ent Ciftligi

Q hiolites are #riassic old and formed $ dunites& eridotitesand ser antines ,unites and eridotites transformed into

ser antines as a result of fracture deformation #his unit is

co/ered $ liocen aged Su/atdere ormation Su/atdereorma< tion consists of sandstone& tu"& tufAte& marl& sand$

limestone and andesitic tu" F1:G

3 h$sical and mechanical ro erties

's a art of the stud$& a grou of tests ere carried out inorder to determine h$sical& elastic and strength ro ertiesof ,er ent Ciftligi hite tu"s #he tests ere erformed inaccordance ith @nternational Societ$ of .oc! Mechanics(@S.M) suggestions F1;– 20G and se/eral rele/ant #ur!ishstandards F21–23G #he results from these tests are resentedin #a le 1

orming mechanisms of igneous roc!s suggest thatmagma cooling do n slo l$ forms a non orous structureor one ith a it structure hile cooling do n uic!l$leads to structures ith high orosit$ or in other ords

orous structures li!e tu" #he test results gi/en in #a le 1sho that ,er ent Ciftligi hite tu"s also


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