PRESENTATION TABLE OF CONTENTS INTRODUCTION COMPOSITION OF GLASS TYPES OF GLASS USED IN ENGINEERING PRODUCTION OF GLASS USES OF GLASS INSTALLATION OF GLASS PROS AND CONS OF GLASS CONCLUSION INTRODUCTION Glass is a versatile engineering material that has a wide range of applications due to its unique properties, such as transparency, high strength, and corrosion resistance. It is a solid material that is typically made by melting silica, a chemical compound found in sand, and then cooling it rapidly to create a non-crystalline, amorphous structure. GLASS IN ENGINEERING The application of glasses in engineering design and architecture can have many facets and innovative contributions to many industries. Besides the window-type applications, glass fibers are uses in insulation, sound deadening, as fillers in plastics, and as reinforcement in plastic laminates and structural shapes. Glasses can be used to transmit or shield radiation. Moreover photosensitive glasses for fluidic devices are used in machine controls. Glasses are widely used in the food industry because their chemical resistance and many foods are processed in glass-lined tanks. SILICA ( SiO2 ) SH A 3) A D CO SO a2 (N COMPOSITION OF GLASS E N O ) T ES O3 M aC I L (C TYPES OF GLASS USED IN ENGINEERING Sheet or Flat Glass Shatterproof Glass Laminated Glass Float Glass Energyefficient Glass Tinted Glass Chromatic Glass Wired Glass Toughened Glass Extra-clean / Self-cleaning Glass SHEET OR FLAT GLASS Sheet glass is produced by having molten glass pass through the rollers to manufacture a nearly flat finish. Sheet glass can be cut via a glass cutter and no special equipment is needed. It’s generally available in the market in a range of standard sizes/thicknesses. WHERE TO USE: FLOAT GLASS Float glass is made from sodium silicate and calcium silicate. The “Float” name suggests the method used to manufacture it, where the molten glass is floated onto a bed of molten tin. This gives us flat, clear, distortion-free glass. Float glass can be cut by utilizing a glass cutter without a need for special equipment. It is available in thicknesses ranging from 2mm to 20mm, with a weight ranging from 6 to 36 kg/m2. WHERE TO USE: LAMINATED GLASS As the name refers, this glass comprises layers of ordinary glass bonded by a transparent, flexible material. As it is a sandwich made up of two or more sheets of glass. This type of glass is commonly UV and soundproof, which explains its applications in the construction of bridges and aquariums. It is mostly the best suited for making glass canopies as it can reduce harmful rays. WHERE TO USE: SHATTER-PROOF GLASS Shatterproof glass is a type of glass that is resistant to shattering. In other words, it doesn’t break into pieces in the event of destruction. Making up of shatterproof glass includes the addition of a plastic polyvinyl butyral resin to prevent it from forming sharp pieces. WHERE TO USE: ENERGY-EFFICIENT GLASS This type of glass building material is manufactured by glazing float glass with a special thin coating on one side. This glazing allows solar energy to pass through in only one direction while minimizing the transfer of thermal energy in the other direction. WHERE TO USE: WIRED GLASS Wired glass building material has a wire mesh provided in the middle portion of the structure of the glass. The main objective of the wire is to hold the glass together in the event of cracking or breaking, however, it doesn’t stop the glass from forming sharp pieces when broken. WHERE TO USE: TINTED GLASS Tinted glass building material is simply colored glass. A certain type of ion is added to the normal glass mix to produce colored glass. In tinted glass, color doesn’t affect the properties of the glass. WHERE TO USE: TOUGHENED GLASS Toughened glass is used extensively throughout the industry for its ability to resist breaking, also called safety or tempered glass. If it breaks, it does so into much smaller called ‘safer’ pieces as opposed to large shards (like float glass) Toughened glass is typically used in home interiors such as the kitchen (for its heat resistance), shower screens, glass balustrades, and swimming pool fencing. WHERE TO USE: CHROMATIC GLASS This glass is utilized in ICUs & meeting rooms, chromatic glass can control the transparent efficiency to protect the interior from daylight. Chromatic glass has maybe electric lamination(electrochromic), thermos-chromatic (heat-sensitive lamination), or photochromic (has light-sensitive lamination). WHERE TO USE: SELF-CLEANING GLASS Self-cleaning glass is both photocatalytic & hydrophobic. These two unique properties make it stain-proof, resulting in an attractive appearance and easy maintenance. WHERE TO USE: SODA-LIME GLASS This is the most common type of glass used for windows, bottles, and other general-purpose applications. It is made from a mixture of silica, soda ash, and lime and is relatively inexpensive to produce. WHERE TO USE: PRODUCTION OF GLASS 01 RAW MATERIAL PREPARATION MELTING 03 02 REFINING FORMING 04 PRODUCTION OF GLASS 05 ANNEALING FINISHING 06 Overall, the production of glass is a complex process that requires careful attention to the composition of the raw materials, as well as the temperature, timing, and other variables involved in the melting, refining, forming, and finishing steps. PRODUCTION OF GLASS USES OF GLASS 01 02 03 04 Windows and Glazing Laboratory Equipment Optical Components Cookware and tableware Glass is used extensively in laboratory equipment, such as beakers, flasks, and test tubes. Its transparency, durability, and resistance to heat and chemicals make it an ideal material for many scientific applications. Glass is used to make a wide range of optical components, such as lenses, mirrors, and prisms. Its ability to transmit, refract, and reflect light makes it a crucial material for many optical applications, such as cameras, telescopes, and microscopes. Glass is used to make a variety of cookware and tableware, such as glass baking dishes, drinking glasses, and decorative bowls. Its transparency, ease of cleaning, and resistance to heat and chemicals make it a popular material for these applications. Glass is commonly used for windows and glazing in buildings, as well as in automotive and aircraft applications. It provides a transparent barrier that allows light to pass through while keeping out wind, rain, and other elements. 05 06 Electronics Insulation Glass is used in a variety of electronic applications, such as display screens, fiber optic cables, and touchscreens. Its ability to transmit light and be shaped into thin, flat sheets makes it an ideal material for these applications. Glass is used for insulation in buildings and appliances, such as ovens and refrigerators. Its low thermal conductivity and ability to resist heat make it an effective insulator. INSTALLATION OF GLASS 01 02 03 04 MEASURE THE OPENING CHOOSE THE GLASS PREPARE THE FRAME INSTALL THE GLASS Next, choose the type of glass that will be installed. This may depend on factors such as the desired level of insulation, sound reduction, or impact resistance. The frame or window sash should be prepared to receive the glass. This may involve removing any old glass or debris, cleaning the frame, and applying any necessary sealants or adhesives. The glass is then carefully inserted into the frame or sash, making sure that it is level and centered. For larger or heavier pieces of glass, specialized equipment may be necessary to safely lift and position the glass. The first step is to measure the opening where the glass will be installed. This ensures that the glass will fit properly and can be secured in place. 05 06 SECURE THE GLASS FINISH THE INSTALLATION Once the glass is in place, it should be secured using a combination of glazing points, silicone sealant, or other fasteners as appropriate. The type of fasteners used will depend on the specific application and the type of glass being installed. The final step is to finish the installation by applying any necessary trim or molding around the edges of the glass. This helps to create a finished appearance and also helps to seal the glass in place. ADVANTAGES OF GLASS IN CONSTRUCTION TRANSPARENCY RECYCLABLE DUSTPROOF AND WATERPROOF UV STABLE COLOUR AVAILABILITY WEATHER AND RUST RESISTANT AESTHETICALLY APPEALING EASILY MOULDED INSULATOR OF ELECTRICITY SUSTAINABLE MATERIAL VISIBLE TRANSMITTANCE ABRASION RESISTANCE DISADVANTAGES OF GLASS IN CONSTRUCTION COST HEAT TRANSPARENCY BRITTLENESS UNSAFE FOR EARTHQUAKEPRONE AREAS IMPACT RESISTANT HEAT ABSORBENT ETCHING ON GLASS SURFACE MAINTENANCE CORROSION DUE TO ALKALI SOLUTION GLARE All and all, Glass has progressively acquired a special status as an important building material. Apart from being a building material, it has numerous usages in various forms in the building to enhance the overall quality and outlook. Nowadays it is used in furniture, electrical appliances and decorative items. Numerous technological innovations have made it a preferred choice for architects and designers to promote sustainability in the built environment. In a nutshell, ‘Glass bridges the gap between spaces, enhances the quality of space, transmits sufficient light, and also contributes to saving energy. The appropriate choice of glass can even improve the energy efficiency of the building’ says “Jelena Savic et al.”(2013) MEMBERS: N D M F M P J C M C R T J P A K I M