@article{article_41349, title={ERZURUM OVASI TOPRAKLARININ KIVAM LİMİTLERİ VE SIKIŞABİLİRLİĞİ ÜZERİNDE BİR ARAŞTIRMA}, journal={Atatürk Üniversitesi Ziraat Fakültesi Dergisi}, volume={10}, year={2010}, url={https://izlik.org/JA73SA97XY}, author={Demiralay, İbrahim and Güresinli, Yusuf Z.}, abstract={<p>ÖZET <br />Bu çalışmada Erzurum ovasından alman 40 toprak örneğinin kıvam <br />limitleri (aşağı plastik /imi/, yukarı plastik limit ve plastiklik indiksi) <br />ve sıkışma parametreleri (maksimum kuru densite ve optimum nem) <br />ve ilaveten maksimum kuru densiteye tekabül eden toplam porozite ile <br />bazı toprak özellikleri (kil, silt, kum, organik madde ve kireç miktarı) <br />arasındaki ili§kileri incelenmiş ve topraklarm iş/enmeye uygunluk ve <br />sıkışaMiirlik bakımından değerlendirilmesi yapılmıştır. <br />Casagrande plastiklik diyagramına göre, topraklarm % 25’i az, <br />%65’i orta ve %lO’u yüksek derecede plastikfiğe sahip bulunmuştur. <br />Topraklar sıkışabilirlik yönünden kullanılan sıkıştırma lesti ile elde <br />edilen maksimum kuru densite < 1,5 gfcm 3 olduğunda "düşük", 1-5-1,7 <br />gfcm3 arasında olduğunda "orta" ve > 1,7 glcm 3 olduğunda ise "yüksek" <br />olarak sınıflandırılmışlardır. Buna göre, toprakların % IO’u düşük, <br />! % 68’; orta ve %21!si yüksek derecede sıkışçbilirliğe sahip bulunmuşlardır. </p> <p>SUMMARY <br />A STUDY ON THE CONSISTENCY LIMITS AND COMPACTIBlLITY <br />OF THE SOILS OF ERZURUM PLAIN </p> <p>This study was ’:done with the <br />purpose to work out the relationships’ <br />.between ’the consistency limits (lower <br />plastic limit, upper lastic limit and <br />plasticity index) and some sotı pmperties <br />(Cıay, sih, sand, organic matter, <br />and lime content), and between <br />the compaction parameters ,(maximum <br />d!)’ density, optimum moisture and <br />additionaUy total poroşity at the maximum <br />dry density) and the same soil <br />ı;ıroperties and to evaluate the soit in <br />the proper conditions for tillage ’and <br />in ’compactibility, using soil samples <br />taken frem the Erzurum pJain in eastern <br />Turkey. <br />it was found that there are bighly <br />significant positive relationships between <br />the three’ plastic lirnits and cJ~y <br />content, and highly sıgnificant negative <br />relationships between the three <br />plastic limits and sand content. Silt <br />content showed a positive relationship <br />significant at the 5% level with lower <br />plastic limit, and nonsignificant relationships <br />with upper plasticIimit and <br />_ with plasticity index, Lime content gave <br />positive reJationships significant at <br />the 1 % JeveJ with·’ lower plastic hmit <br />and at the 5 %JeveJ with upper plastic <br />. limit, and a nonsignificant reJationship <br />with pJasticity index. . / <br />According to the Casagrande pJasticity <br />chart, it was foqnd that 25 % <br />of the soiJs have "law_", 65 % of the <br />soİls have "medium’" and LO % ofthe soils have "high’, plastieity. it was <br />evaIuated in the following ways; High <br />plasticity means that the possibility of ’ <br />tilIing the soil when it is wet and the <br />danger for the soil structure is high <br />and the soil should be tilled when friabIe. <br />Medium plasticity means that the <br />possibility of tilling the soil when it is <br />wet and the danger for the strueture is <br />moderate and it wiU be b~neficial to <br />care in tilling the soil when friable. <br />Low plasticity means that it will be ratber <br />easy to catch the soil in rriable <br />condition for tilling. <br />it was found that there are highly <br />significant negative reIatiQnship~ between <br />maximum dry density of the <br />s.oils ad day cantent, between maximum <br />dry density and organic matter <br />content, and’ between maximum dry <br />density and Iime content. MaximufD. dry <br />density showed a highly significant <br />positive re1ationship with sand cantent, <br />and a nonsignificant reIalionship with <br />silt content. <br />on the other hand; optimum moisture <br />content gave highly significaht <br />positive reIationşhips with day content, <br />with organic matter content, and <br />with lime content; a highliy significant <br />negative relationship with sand content; <br />and a nonsignificant relationship wjth <br />silt content. <br />.AdditionaUy, total pomsity at the <br />maximum dry density’ showed highly <br />significant positive relationships with <br />clay content, and with otrganic matter <br />content a highly significant negative <br />relationshisp with sand content; and <br />relationships significant at the 5 % <br />level with silt content, and ,w.ith lime <br />content. <br />The soiJs, were classified in com· <br />pactibility as "lo\Y" when the maxi· <br />mum dry density obtained with tbe <br />cumpaction test used, is < 1.5 g/cm3, <br />as "medium" with maximum dry densities <br />between 1.5-1.7 g/cm3; and "high" <br />when the maximum dry density is > <br />1.7 g/cm3. <br />According to this Cıassification, it <br />was found that iO%of the soils have <br />low compactiility, 68 % of the soils <br />have medium compactibility, and 22 <br />%of the soils have high compactibility. </p> <p>&n}, number={1-2}