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Çѱ¹Áö¹Ý°øÇÐȸ / v.23, no.10, 2007³â, pp.57-64
ºÒÆ÷È­ »çÁúÅäÀÇ Àü´ÜƯ¼º
( The Shear Characteristics of Unsaturated Sandy Soils )
ÀÓ¼ºÀ±; Çѱ¹µµ·Î°ø»ç µµ·Î±³Åë±â¼ú¿ø;
 
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Since matric suction of unsaturated soil was related to soil and ground water contaminations, it is very important to analyze its mechanism that was represented by shear characteristics. In three phases of soil, a little air makes the condition of unsaturated soil on contract or shrinkage surface between water and air. Capillarity and suction in pore of unsaturated soil cause surface tension and surface force so it makes negative pore water pressure and increases effective stress as a result. Therefore, negative pore water pressure in partially saturated soil affects the soil structure and degree of saturation and it is important to evaluate accurately unsaturate flow and behavior. In this study, the shear strength characteristics of the seven sandy soils were investigated using consolidated drained triaxial tests with special emphasis on the effects of the negative pore pressure and the matric suction. These tests involved shearing under either a constant net confining pressure and varying matric suction or under a constant matric suction and varying net normal stress.
 
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Matric suction;Shear strength of unsaturated soils;Unsaturated soils;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.23, no.10, 2007³â, pp.57-64
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200703534283760)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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