Investigation of Poro-perm relationship of cement admixed Bangkok soft clay samples | |
| Author | Devkota, Medha |
| Call Number | AIT Caps. Proj. no.CIE-15-10 |
| Subject(s) | Cement--Additives--Thailand--Bangkok Clay soils--Thailand--Bangkok |
| Note | A capstone project submitted in partial fulfillment of the requirements for the degree of Bachelor of Science in Engineering Civil and Infrastructure Engineering, School of Engineering and Technology |
| Publisher | Asian Institute of Technology |
| Series Statement | Caps. Proj. ; no. CIE-15-10 |
| Abstract | The permeability of soil cement is an important parameter that has not been well studied in the past years. In general permeability is costly and time consuming to measure; porosity is used to predict it. A well-known equation relating the porosity and permeability is the Kozeny-Carman (KC) equation. In this study experiments on cement admixed Bangkok soft clay were conducted and the measured values were graphically tallied with that predicted by the KC equation to look at the applicability of the KC equation. The sampling of Bangkok soft clay was done in the compounds of Asian Institute of Technology at the depth of 2-4 m. The sample were mixed with three different cement contents of 150, 200, 250 kg/m3 at water cement ratio of 1. Afterwards the prepared specimen were used for water content, Atterberg limit test, specific gravity test and oedometer test during 3, 7, 14 and 28 days of curing period. The experimental values of porosity and permeability were obtained for the oedometer test. The measured value of permeability was plotted against porosity and the best fit line was obtained. The results showed that the porosity and permeability both decreased with each step loading. Their value also decreased along the curing period. However, with the increase in cement content the porosity and permeability both increased. Furthermore KC equation was used to predict the value of permeability using the measured porosity. For the KC equation the values of specific surface was obtained from liquid limit as proposed by Chapuis and Aubertin (2003) and Emmanouil et al. (2012). However these equations of specific surface were not appropriate for soil cement. So to deal with this limitation specific surface was calculated for each mix. |
| Year | 2015 |
| Corresponding Series Added Entry | Asian Institute of Technology. Caps. Proj. ; no. CIE-15-10 |
| Type | Capstone Project |
| School | School of Engineering and Technology (SET) |
| Department | Department of Civil and Infrastucture Engineering (DCIE) |
| Academic Program/FoS | Civil and Infrastructure Engineering (CIE) |
| Chairperson(s) | Pham Huy Giao; |
| Examination Committee(s) | Bui Thanh Tam; |
| Degree | Capstone Project (B.Sc.)-Asian Institute of Technology, 2015 |