Case Studies in Construction Materials
When silica sand was replaced with waste marble powder, the ultimate shrinkage strain was decreased by 19.96%, 26.46%, and 37.69% for concrete containing 0%, 1%, ... The Philippines is the 'world's leading abaca producer (85–90%), followed by Ecuador. ... most of the studies reported have used glass fiber, carbon fiber, Kevlar …
DOH cites health risk posed by crushed dolomite, …
Critics of the project said the artificial sand does not only pose geophysical hazards but also potential harms to people's health. Citing studies, Health Undersecretary Maria Rosario Vergeire ...
Glass | AI-powered clinical decision support
Glass Health was founded because we believe that technology should be fully leveraged to optimize the practice of medicine and improve patient care. To this end, we have set out to empower clinicians with the best-in-class AI for clinical decision support. With a deep commitment to safety, ethics, and alignment, we aim to increase diagnostic accuracy, …
Crushed recycled glass as a filter medium and …
This study was carried out to assess the potential of crushed glass as a filter medium in high rate filtration. Waste glass collected from a glass manufacturing industry was crushed using hammer mill and sorted into …
Status and recent trends in coral reefs of the Philippines
The assessment station with the highest total cover in the present study only had 57% HCC and 12% soft coral cover (weighted average is 3.2% ±0.6 SE nationally). This updated study validates A.M. Licuanan et al. (2017) and emphasizes the marked decline in the HCC of Philippine reefs over the last four decades.
Full article: Rice husk/rice husk ash as an alternative source …
Generally, glass is amorphous; however, "glass ceramics" are a crystalline form of glass. Present-day glass is one of the most widely used materials for innumerable purposes, and the number is increasing tremendously. Silica (SiO 2) is the major ingredient for glass making, acting as a "network-former" in glass networks. Huge silica ...
Investigation on the roles of glass sand in sustainable …
In this study, a larger glass sand size increases the gap width between glass sand and geopolymer paste, which reduces the effective fibre/matrix bond and consequently decreases the tensile strength of EGCs. Moreover, Fig. 8 (b) also presents the ultimate tensile strains of EGCs containing glass sand in different sizes. Increasing …
Sustainably sourced sand and recycled glass main raw …
One ton of recycled glass replaces 1.2 tons of sand and other raw materials.Glass is a permanent material, endlessly recycled in a closed-loop and therefore the main resource of its own production. Today on average, in the production batch we put 52% of recycled glass, avoiding the depletion of more than 7 million tons of sand …
Modified Biosand Filter for the Indigenous People …
Washing of sand and gravel.Do not wash the sand until it is completely clean.Checking of the Filter media. To know if the sand is washed enough do a jar test. If you can see the top of the sand but not clearly, it is …
(PDF) Concrete Hollow Block Production Using …
For this, experiments were carried out to measure and study fresh and hardened properties of the M25 grade of concrete with PVC powder and glass powder. The fine aggregates were replaced at ...
performance of using crushed glass and sand as a …
performance of using crushed glass and sand as afiltration media in purification drinking water ..pdf. ... (98.4%). F or the single filters, the study showed the superiority of the g lass .
Research Chapter 1.docx
Polytechnic University of the Philippines College of Engineering Department of Computer Engineering Sta. Mesa, Manila Methods of Engineering Research COEN 4153 "GLASS WASTE GRINDER FOR RECYCLING POWDERED GLASS BOTTLE AS CEMENT REPLACEMENT" Presented By: Bernas, Francis Joseph E. Galicia, Carl Jeremy A. …
Sand mining: Stopping the grind of unregulated supply chains
1. Introduction. Sand is the most used solid resource on earth, including to construct buildings and roads but also for glass, natural gas fracking, silicon chips, and even cosmetics (Beiser, 2018).As the mass of anthropogenic material is expected to surpass that of the natural biomass, this study primarily focuses on sand used in …
Glass Sand Suppliers & Exporters in Philippines
TradeFord.com is a growing Manufacturer Directory and B2B Marketplace connecting Global Glass Sand Importers, Exporters, Suppliers, Traders and Manufacturers at a reliable, common platform.
(PDF) The Effect of Waste Glass Bottles as an Alternative …
The utilization of waste materials in concrete production can provide potential technical and environmental benefits. In this study, the incorporation of recycled waste glass and olive stone ...
Mitigating environmental impact of waste glass materials: …
The environmental impact of waste glass (WG) is one of the major challenges crippling sustainable waste management and mitigation. Reclamation of recycled materials from waste glass remains a tedious task amidst complex technological approaches. The challenge as seen in the global containment measures increase the …
Pulverized blue swimming crab shell utilized as partial …
Studies are needed to explore alternative materials that can be used in lieu of natural aggregates. This study investigates the use of pulverized crab shell (PCS) for partial replacement of sand in concrete mixture. The properties of conventional concrete mix are compared with concrete mix with its sand replaced with 10% and 15% PCS.
(PDF) CHALLENGES IN THE PHILIPPINE HEALTHCARE …
Key service utilization indicators for maternal and child health Based on NDHS 2013 Secondary Analysis 1: A Look into Urban Health Inequality in the Philippines Utilization of a Health Facility by ...
Utilizing Waste Recycled Glass as Sand/Cement …
The potential use of waste recycled glass in concrete as recycled glass sand (RGS) and pozzolanic glass powder (PGP) was examined in this study. No major difference was found in compressive strength of concrete with the presence of …
Coral reefs in the Philippines are some of the …
I am crossing a desert, but not one made of sand. I am swimming through a wasteland of rubble, the pulverized remains of a coral reef.Its barrenness startles me. Elsewhere in the Philippines I ...
Role of waste materials to a sustainable concrete …
Scientists discovered that substituting specific ratios of cement/ sand with waste glass (including 0%, 10%, 20%, 30%, 40%, 50%, 60%, 70%, 80%, and 90%) in concrete could achieve substantial added ...
Heat health risk assessment in Philippine cities using
In addition, this study has attempted to integrate some public and environmental health concepts (e.g., the concepts of RR and MMT) into the indicator-based assessment of heat health risk 39,42,43 ...
Effect of recycled waste glass on the properties of high …
Generally, glass waste can be reused/recycled absolutely and substantially with maintaining its physical properties and chemical composition [64], [65], …
Investigation on the roles of glass sand in sustainable …
In this study, a larger glass sand size increases the gap width between glass sand and geopolymer paste, which reduces the effective fibre/matrix bond and …
Characterizing the Effects of Quarrying Industry in Northern
This research aims to study the management of and implementation of occupational health and safety issues associated with stone quarry work in selected quarries in Akamkpa, Cross River State Nigeria.
Indigenous People's Engagement in Sand Mining and Its
Objectives. This study aims to document mining occupational safety and health in SSM in the Philippines and identify best practices among miners and communities to reduce toxic chemical use in mining.
Sustainable Utilization of Waste Glass in Concrete: a Review
Due to population growth and industrial development, waste generation has increased annually over the last few years. According to a World Bank report, in 2018, about 2.01 billion tons of municipal solid waste were generated, and this amount was predicted to grow to 3.40 billion tons by 2050 (Kaza et al 2018). Waste glass (WG) is …
The comparison of different sand sources for glass …
The sand is the main raw material for the glass production; thus the quality of the glass is related to the impurity of the sand. The main impurity which is found in natural sand is iron oxide (Fe 2 O 3), chromium (Cr 2 O 3) titanium (TiO 2) and volatile compound (LOI). [1], [2], [3], [4].However, the quality of sand depends on the glass products.
The global sand shortage: study of the role of glass in
results of a study of selected case studies residential buildings in New Zealand. The focus is on evaluating the silica sand (commonly used for the manufacture of glass) content of each example in order to determine and quantify the reliance on glass, and start setting parameters for designing for a future with less glass.
Behind the Scenes: Unveiling the Role of Silica Sand in the Philippines
In the Philippines, where rapid urbanization and economic growth have driven construction projects, silica sand has become even more essential. Glass Production. One of the primary uses of silica sand is in the production of glass.