ANALYSIS OF THE EFFECT OF THE ADDITION OF FLY ASH AND PETRSOIL ON THE SOIL SHEAR STRENGTH OF THE SWAMP AREA
| Main Authors: | Indrayani, Indrayani, Herius, Andi, Saputra, Daiyan, Fadil, Al Muhammad |
|---|---|
| Format: | Article NonPeerReviewed Book |
| Bahasa: | eng |
| Terbitan: |
Pasca Sarjana Fakultas MIPA Universitas Sriwijaya
, 2020
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| Subjects: | |
| Online Access: |
http://eprints.polsri.ac.id/8459/1/9.%20Turnitin%20Analysis%20of%20the%20effect%20of%20addition%20of%20Fly%20ash%20and%20petrasoil....pdf http://eprints.polsri.ac.id/8459/ |
Daftar Isi:
- The existence of irrigation canals greatly supports the production of rice produced, where irrigation channels will be equipped with embankment to protect irrigation channels. Existing soil must certainly be able to withstand shear strength to withstand embankment, while the soil in the South Sumatra region, especially the swamp area has a low shear power so it cannot hold back the shear strength from the embankment. For this reason, it is necessary to research the shear strength of the soil in the swamp area by adding fly ash and petrasoil in order to get the effect of increasing the value of the soil shear strength in the swamp area. A mixture of fly ash and petrasoil was chosen because the shear strength of the soil could be increased by the addition of fly ash, whereas petrasoil was used because in some road works using petrasoil to increase the carrying capacity of the soil. Fly ash are used because in previous research with the addition of fly ash it will cause an increase in shear strength. The tests consists of the seive analysis, index properties, atterberg limits, soil compaction, and shear strength testing, based on SNI and ASTM. Mixed variations consist of 5, namely: (i) soil + petrasoil; (ii) soil + 10% fly ash + petrasoil; (iii) soil + 15% fly ash + petrasoil; (iv) soil + 20% fly ash + petrasoil; (v) soil + 20% fly ash; all variations without ripeningThe highest soil cohesion value is 20.21 Kpa in the variation of the mixture of 10% fly ash + petrasoil, while the Thighest shear angle value is 32.38o on the variation of the mixture of 20% fly ash + water. This means that the pozzolanic content of ash fly in the soil causes an increase in the value of cohesion and shear angle, while the use of petrasoil as a mixture must be with other additives.