University of Mindanao Institutional Repository: Recent submissions
Now showing items 261-280 of 1557
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Application of nonwoven polypropylene surgical mask as a composition of hybrid geotextile
(College of Engineering Education, 2023-03)The increased waste of surgical masks significantly impacts the environment, especially with the surging cases of COVID-19. This paper utilized the nonwoven polypropylene strips in a surgical mask to modify banana fibers ... -
Effectiveness of kapok fiber (ceiba pentandra) as partial replacement of aggregates in the design mix of concrete roof tiles
(College of Engineering Education, 2023-03)Concrete roof tile is an excellent roofing material due to its toughness and durability. However, due to its weight being heavy and lack of thermal efficiency, its usage has been limited. It prompted an inquiry into the ... -
Effect of jackfruit starch as concrete admixture
(College of Engineering Education, 2023-07)This research paper focuses on finding an environmentally friendly, cost-effective admixture that is also easily and abundantly available in the country. Admixtures are known for being the modifiers of the properties of ... -
Efficiency of double helix rectangular continuous transverse reinforcement (RCTR) for RC column
(College of Engineering Education, 2023-02)The continuity of transverse reinforcement for RC columns ensures ductile behavior and provides confinement and shear resistance. A previous study showed that rectangular continuous transverse reinforcement (RTCR) had ... -
Development of pig manure with eichhornia crassipes (water hyacinth) for biomass fuel briquettes and its efficacy as an alternative form of firewood
(College of Engineering Education, 2023-02)This study aims to investigate the efficacy of biomass briquettes made by combining pig manure and water hyacinth into four mixtures. The ratio of each mixture (pig manure: water hyacinth: and starch) are 50:25:25, ... -
A proposed three-storey multi-purpose green building in Barangay 76-A, Bucana, Davao City
(College of Engineering Education, 2023-03)In a world facing the crisis of exhausting natural resources, green building has become the ethical approach in the construction industry to save the planet from further degradation. Using sustainable materials and properly ... -
Waste marbles as an alternative coarse and fine aggregates for concrete
(College of Engineering Education, 2023-07)Concrete is a versatile composite containing mainly aggregates, water, sand, and cement. As the production of concrete increases, so does the production and unit cost of these materials. Marble is the most harvested natural ... -
Rice hull ash as fire retardant coating material based on composite biodegradable starch
(College of Engineering Education, 2023-07)Rice Hull Ash (RHA) is an agricultural waste byproduct. Starch is a carbohydrate primarily found in corn, cassava, and potatoes. Fire-retardants are chemicals or mixtures mixed into or covered in concrete and wood materials ... -
Design of water facility level III for Barangay Anibongan, Carmen, Davao del Norte
(College of Engineering Education, 2023-07)The inadequate and poorly developed water resource infrastructure in rural areas of Mindanao has been a long-standing issue, resulting in an unsafe and unreliable water supply that has negatively impacted the daily lives ... -
Natural honey as cryoprotectant on spermatozoa quality of boar semen
(College of Arts and Sciences Education, 2024-01)Natural honey has been used as cryoprotectant prior to cryopreservation of spermatozoa quality of boar semen. The aim of this study was to evaluate the effects of inclusion level of natural honey supplemented in commercial ... -
Carbon sequestration of bryophytes in the University of Mindanao
(College of Arts and Sciences Education, 2024-01)Common studies regarding Bryophytes in the Philippines were limited to annotated lists and identification. Carbon sequestration (CS) tests were commonly conducted in trees or medium-sized plants. Studies regarding the ... -
College students' willingness to pay (wtp) for the social services of trees at the University of Mindanao, Davao City, Philippines
(College of Arts and Science Education, 2022-05)The study was conducted to provide information on college students' Willingness to Pay (WTP) for the social services of trees at the University of Mindanao, Davao City, Philippines. The study revealed that most college students ... -
Development and fabrication of moringa oleifera seed dehulling, oil extractor and pelletizer machine
(College of Engineering Education, 2023-07)Moringa oleifera seeds have been extensively employed as agents in various problems, from economic and health-related ones. The moringa seed processing equipment, particularly the dehulling and oil extractor, is already ... -
IUCN assessment of Thopeutica wiesneri endemic in Mindanao Region Philippines
(College of Arts and Sciences Education, 2022-12)Thopeutica, commonly known as tiger beetles, belongs to the family Cicindelidae in the order Coleoptera. This study presents the International Union for Conservation of Nature (IUCN) assessment of Thopeutica wiesneri, which ... -
Modeling of COVID-19 cases in the province of Davao Oriental
(College of Arts and Sciences Education, 2022-12)COVID sickness 2019 (Coronavirus) radically carried dread and awfulness to each occupant of this planet. It caused casualties that disrupted day-to-day life basis. In addition, the number of Philippines’ cases of COVID-19 ... -
Utilization of banana peel in the non-load bearing concrete hollow block (CHB)
(College of Engineering Education, 2023-07)Utilizing banana peel helps reduce biohazard waste. The effects of banana peel have been observed to impact the compressive strength of concrete because banana peel is a well-known source of potassium and is rich in natural ... -
Flood risk analysis using analytic hierarchy process approach and GIS in Tagum City, Philippines
(College of Engineering Education, 2023-07)Natural disasters are all expected to worsen and happen more frequently because of global warming. Cities containing a large portion of the human population were particularly vulnerable to the effects of climate change. ... -
Rubber seed (hevea brasiliensis) particle board development
(College of Engineering Education, 2023-05)The efficient way to meet the increasing need for wood-based materials worldwide, using alternative raw resources such as agricultural biomass and recycled wood waste and byproducts in the manufacturing of particle board ... -
The study of the effects of using ceramic waste as eco-friendly alternative for fine aggregates in plastering CHB wall
(College of Engineering Education, 2023-09)The rapidly growing population has increased construction, repair, and remodeling activity, which has resulted in considerable construction material waste. One problem contributor that might lead to land pollution is the ... -
The properties of fiber cement board affected by abaca fiber and pineapple leaf fiber
(College of Engineering Education, 2023-05)The Philippines is the top producer of natural fibers globally. This production of abaca and pineapple leaf fiber increased as time passed by. However, applying these fibers is limited and needs further studies to utilize ...