000			02838nam a22003377a 4500
003			OSt
005			20250708164128.0
008			250708b |||||||| |||| 00| 0 eng d
040			_aTUPM _bEnglish _cTUPM _dTUPM _erda
050			_aBTH TA 145 _bC36 2024
100			_aCanda, Kristine Mae P. _eauthor
245			_aPhysio-mechanical properties and evaluation of gamma radiation attenuation characteristics of napier grass fiber cement board/ _cKristine Mae P. Canda, Jeric L. Dometita, Rojie Sigourney M. Fernando, Jovilyn E. Galang, Jayvee DJ. Magbata, and Charlotte Anne D. Reyes.--
260			_aManila: _bTechnological University of the Philippines, _c2024.
300			_axvii, 169pages: _c29cm.
336			_2rdacontent
337			_2rdamedia
338			_2rdacarrier
500			_aBachelor's thesis
502			_aCollege of Engineering.-- _bBachelor of science in civil engineering: _cTechnological University of the Philippines, _d2024.
504			_aIncludes bibliographic references and index.
520			_aConventional fiber cement boards, widely used as building materials, often raise concerns due to their reliance on non-renewable or hazardous fibers, which contribute to environmental degradation and health risks. This study investigates the potential of Napier grass fiber as a sustainable alternative for enhancing the physio-mechanical properties and gamma radiation attenuation characteristics of cement boards. Cement boards were fabricated with Napier grass fiber at varying volume fractions of 0%, 5%, 10%, and 15% and evaluated at curing periods of 7, 14, and 28 days. Physical and mechanical properties were determined following standards from the American Society for Testing and Materials (ASTM) and Philippine National Standards (PNS), while gamma radiation attenuation was measured using a RAM R-200 survey meter. The results showed that the cement board with 10% Napier grass fiber content exhibited the most suitable performance, achieving the highest modulus of rupture (MOR) value of 23.56 kg/cm2 (2.31 MPa) at 14 days of curing. Additionally, it demonstrated minimal thickness swelling and the highest linear attenuation coefficient of 0.715 mm−1. These findings suggest that Napier grass fiber is a viable reinforcement material for fiber cement boards, offering improved mechanical properties and enhanced radiation shielding potential, particularly for applications in radiation-exposed environments.
650			_aFiber cement board
650			_aGamma radiation shielding
650			_aMechanical properties
700			_aDometita, Jeric L. _eauthor
700			_aFernando, Rojie Sigourney M. _eauthor
700			_aGalang, Jovilyn E. _eauthor
700			_aMagbata, Jayvee DJ. _eauthor
700			_aReyes, Charlotte Anne D. _eauthor
942			_2lcc _cBTH COE _n0
999			_c30219 _d30219