000 03476ntm a2200349 i 4500
001 vtls000103621
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005 20251117113407.0
008 180525s2018 my a f a m 000 0 eng d
020 _aTHE0000551(Local)
039 9 _a201905151626
_bnazirah
_y201805251524
_zfateeha
040 _aUMP
_beng
_cUMP
_erda
090 _aFKASA .L87 2018 r Bc.
100 0 _aLuqma Illieana Mat Isa,
_eauthor.
245 1 0 _aModelling post-fire erosion on natural slope containing nesosilicate minerals /
_cLuqma Illieana Mat Isa
264 1 _aKuantan, Pahang :
_bUMP,
_c2018
300 _axii, 67 pages :
_billustrations (some color) ;
_c30 cm. +
_e1 CD ROM
336 _atext
_2rdacontent
337 _aunmediated
_2rdamedia
337 _acomputer
_2rdamedia
338 _avolume
_2rdacarrier
338 _acomputer disc
_2rdacarrier
347 _atext file
_bPDF
_2rda
500 _aFaculty of Civil Engineering and Earth Resources
502 _aProject Paper (Bachelor Degree in Civil Engineering) -- Universiti Malaysia Pahang – 2018
504 _aIncludes bibliographical references
520 3 _aPost-fire increased hillslopes erosion and surface runoff. The effect increased by several magnitude when subjected to high intensity of precipitation during prolonged rainy season. With large rainfall events that exceed the storage capacity, erosion rates usually increase markedly due to destruction of the vegetation layer, the availability of highly erodible material and any changes in soil physical and hydrological properties, leading to an increase in runoff and a decrease in the strength of the soil surface that increases the detachability and transportation of sediment. In this study, various soil properties including specific gravity, atterberg limit, swell index and organic matter content were studied. The soil-water retention curve (SWCC) of all samples were also determined. For the purpose of this study, the moisture content were obtained for unburned and burned soil through chilled-mirror dew point technique test. The slope stability analysis were conducted by using GeoStudio software by SLOPE/W based on SWCC resulted. Parameters of shear strength were obtained and used for stability analysis with SLOPE/W software. Experimental result demonstrated that temperature 440°C, the liquid limit, organic matter content and SWCC were reduced and the swell index was eliminated. Heating the soil at 800°C and 1350°C completely eliminated the liquid limit, plastic limit, swell potential and organic content of soil tested. Based on the findings study, the lowest FOS or critical failure was natural burned sample. Followed by sample of burned 1350°C which also had a low value of FOS compared to natural unburned, burned 440°C and burned 800°C. From overall study, this modelling study examined that soil containing kyanite and quartz minerals are at a stable slope level whereas andalusite and mullite mineral soil types was shown a stability of less stable. Results proved the necessity of taking moisture content into account to express the post-fire erosion when processing stability analyses in order to achieve reliable and safe slope.
610 2 0 _aFaculty of Civil Engineering and Earth Resources
_xDissertations
650 0 _aUniversities and colleges
_xDisertations
650 0 _aTheses
999 _aVIRTUA40
_c7907
_d7913
999 _aVTLSSORT0080*0200*0400*0900*1000*2450*2640*3000*3360*3370*3371*3380*3381*3470*5000*5020*5040*5200*6100*6500*6501*9992