| Author | Vaidya, Bhupatindra Gopal |
| Call Number | AIT Thesis no.GT-92-19 |
| Subject(s) | Shear strength of soils--Testing
|
| Note | A thesis submitted in partial fulfillment of the requirements for the degree of Master of
Engineering, School of Engineering and Technology |
| Publisher | Asian Institute of Technology |
| Series Statement | Thesis ; no. GT-92-19 |
| Abstract | The effects of coarse inclusion on the shear strength of granitic residual soil
in terms of size, shape, orientation, and content were investigated through direct
shear tests. The effect of the degree of saturation on the shear strength was also
studied. Three types of inclusions, namely, a) crushed rock, b) river gravel, and c)
cement blocks, were used. The results show that for an inclusion content of less than
10%, the strength of the composite material is governed by the matrix strength; for
10% to 20% content and low normal stress, the strength is governed by surface area
of inclusions and the distance between the inclusions; at higher inclusion content and
higher normal stress, strength is governed by the size of the inclusions. So, smaller
size inclusions caused a significant increase in strength at a lesser inclusion content
(20%). With larger size inclusions the peak shear stress developed at higher
inclusion content. Angular inclusions are found to have greater shear resistance
compared to rounded ones. Vertically oriented long inclusions has greater shear
strength in comparison to the horizontally oriented ones. Among the specimens with
horizontally oriented long inclusions, specimens having the long axis of inclusions
oriented along the direction of showed higher shear resistance and less dilation
compared to the ones having the long axis of inclusions oriented perpendicular to the
direction of shear. The increase in degree of saturation of the matrix material
caused a decrease in cohesion value of the specimen while the angle of internal
friction is least affected. |
| Year | 1993 |
| Corresponding Series Added Entry | Asian Institute of Technology. Thesis ; no. GT-92-19 |
| Type | Thesis |
| School | School of Engineering and Technology (SET) |
| Department | Department of Civil and Infrastucture Engineering (DCIE) |
| Academic Program/FoS | Geotechnical and Transportation Engineering (GT) |
| Chairperson(s) | Noppadol Phien-Wej;Tian Ho Seah; |
| Examination Committee(s) | Prinya Nutalaya; |
| Scholarship Donor(s) | DAAD (Government of Germany); |
| Degree | Thesis (M.Eng.) - Asian Institute of Technology, 1993 |