• Acrylic: - Acrylic is a kind of plastic, fabric,
fiber, or paint that's made from acrylic acid.
•
Emulsion: -Emulsion
is a mixture of two or more liquids that are normally immiscible (unmixable and
unblendable)
•
Non-staining :-Incapable of being colored by a stain
(colored mark)
•
Water-based: - Having water as a medium or main ingredient.
•
Adhesion:- The
ability to stick.
•
RMT: - Running metre
•
Sagging :-Sinking or bulging downwards underweight or
pressure.
•
Hogging: - The
shape of a beam or similar long object when loading is applied curves
upwards in the middle.
•
Aqueduct: - Aqueduct are structures used to conduct a water stream across a
hollow or valley.
•
Viaduct: - A viaduct usually
refers to long bridges or series of bridges connected to one another by arch
bridge structures that carries a road or a railway across a valley or a gorge.
•
Offshore: - situated
at sea some distance from the shore.
•
Jetties: - A
landing stage or small pier at which boats can dock or be moored.
•
Biodegradable: - Capable of being decomposed by bacteria or
other living organisms and thereby avoiding pollution.
•
BS: - British Standard
•
Low modulus: -A low modulus sealant
is defined as an elastomeric material with a modulus at 100
% elongation of up to 0.4 MPa. A flexible material has
a low Young's modulus and changes its shape.
•
Polyurethane: - Polyurethane (PU) is a polymer composed of organic units joined by
carbamate (urethane) links. While most polyurethanes are
thermosetting polymers that do not melt when heated, thermoplastic polyurethanes are
also available.
•
ASTM: - American Society for Testing and Materials
•
Fillets: - The process of joining two pieces together
whether they be perpendicular or at an angle.
•
Flexibility: - The quality of bending easily without breaking.
•
Workability: -Workability means the ease of placement
and workable concrete means the concrete which can be placed and can
be compacted easily without any segregation.
•
Water Resistant: - Able to resist the penetration of water to some degree but not entirely.
•
Rendering: -Rendering
is used to coat exterior surfaces of buildings, and contains a higher
percentage of cement within its composition. Rendering is applied to the
outside of buildings to not only make the outside facade more visually
appealing, but also provides waterproofing and fireproofing efficiencies.
•
Curing: - Curing
of Concrete is a method by which the concrete is protected
against loss of moisture required for hydration and kept within the recommended
temperature range.
Benefits
•
Increase the strength
•
Decrease
the permeability of hardened concrete.
•
Mitigating
thermal and plastic cracks
•
Impact durability of structures.
•
Bonding Agent: -The cement within a concrete mix doesn’t
contain any natural bonding agents – so when fresh concrete is added on top of
an existing layer of concrete, the two won’t join together. Once cured, the new
concrete will simply sit on top as a separate layer. This will not produce a
strong, serviceable floor.
•
Abrasion resistance refers to the ability of an adhesive to resist wearing due to
contact with another surface. Wearing occurs when a hard rough surface slides
across a softer surface,
•
Impact resistance is a material's ability to withstand intense force or shock applied
to it over a short period of time. ...
•
Chemical resistance is the strength of a material to protect against chemical attack
or solvent reaction.
•
Anti-slip
:-It designed to prevent slips or to be resistant to slipping.
•
Antibacterial means it can kill bacteria or
slow their growth
•
Anti-static
refers to a very specific electrical resistance range of between 10⁹ and 1011
•
Tensile strength: - Tensile strength is a measurement of the
force required to pull something such as rope, wire, or a structural beam to
the point where it breaks.
•
Compressive strength: -The resistance of a material to breaking under compression.
•
Shear strength: - A shear load is a force that tends to produce a sliding
failure on a material along a plane that is parallel to the direction of the
force.
•
SBR: - Styrene-Butadiene Rubber
•
Coving or Hunching: - The process of making corner /edges into a
smooth curve for the purpose of turning of waterproofing membrane.
•
Polyamide: - A polyamide is a macromolecule with
repeating units linked by amide bonds.
Note They have
excellent mechanical properties including high tensile strength, high
flexibility, good resilience, low creep and high impact strength toughness
•
Resilience: -The
power or ability to return to the original form, position, etc., after being
bent, compressed, or stretched; elasticity.
•
Creep: - Creep (sometimes
called cold flow) is the tendency of a solid material to move slowly or deform
permanently under the influence of mechanical stresses.
•
Granolithic: - Containing fine granite chippings or crushed granite, used to render
floors and surfaces
•
Resin: -
Resin is a solid or highly viscous substance of plant or synthetic
origin that is typically convertible into polymers. Resins are
usually mixtures of organic compounds.
•
Thixotropic: - Thixotropic is a time-dependent shear thinning property. Certain
gels or fluids that are thick or viscous under static conditions will flow
(become thin, less viscous) over time when shaken, agitated, sheared or
otherwise stressed (time dependent viscosity).
•
Expansion Joint :- In building construction, an expansion
joint is a mid-structure separation designed to relieve stress on building
materials caused by building movement induced by:
thermal expansion and contraction caused by temperature changes, sway
caused by wind, vibration, or to allow movement due to ground settlement or
seismic activity.
•
Construction joint :- A construction joint is a type of
concrete joint that is used when a new section of concrete is poured
adjacent to another concrete section that has already set.
•
Blow holes are
individual, generally rounded, cavities on vertical surfaces of concrete,
generally less than 10 mm across. They are caused by air in the concrete being
trapped against the form face, sometimes due to insufficient vibration.
•
Dowel Bar: - Dowel
bars are short steel bar used to transfer the load of one structural
member to another.
•
Solvent Free: - Solvent-free refers to a substance that contains little or no
solvent. Paint, adhesives, hash oil and epoxy are substances that normally
contain very little solvent.
•
Corrosion: - damage
caused to metal, stone, or other materials by corrosion.
•
Consistency: - Flow ability
•
Chloride: - Chlorides have
little effect on hardened concrete but they increase the
risk of reinforcement corrosion. Corrosion of the reinforcement will be
initiated when the chloride ion concentration at the steel reaches
the so called 'threshold level'.
•
Beam: - A beam is
a horizontal structural member in a building to resist the lateral loads
applied to the beams axis.
•
Column: - A column or
pillar in architecture and structural engineering is a structural element that
transmits, through compression, the weight of the structure above to other
structural elements below.
•
Jacketing of beam: - Jacketing of RC beams is done by enlarging the existing
cross section with a new layer of concrete that is reinforced with both
longitudinal and transverse reinforcement.
•
Pile head: - A pile
head is an enlarged concrete section constructed over the top of
a pile which helps spread the supporting force that
the pile exerts on the structure it is holding.
•
Phthalates: - Phthalates are
chemical compounds used to soften vinyl and form PVC for construction,
automobiles, cosmetics, and more
•
Marine structure: -Marine structures are engineering facilities constructed and
installed in coastal zones or open oceans for the exploitation of
various marine resources and the maintenance of its continuous
operations.
•
Hydrophobic: - Tending to repel or fail to mix with water.
•
Acid: - PH
value is less than 7
•
Alkalis: - PH
value is more than 7
•
Injection Grouting: - Injection grouting is a process of filling the cracks, voids or
honeycombs under pressure in concrete or masonry structural members for
repairing of cracks, strengthening of damaged concrete or masonry structural
members
•
Viscosity: - Viscosity denotes
opposition to flow.
•
Anti-carbonation Coatings: - Anti-carbonation coatings are
surface treatments that have a high resistance to carbon dioxide. They protect
concrete from carbonation by acting as a carbon dioxide
barrier.
•
Anchor Grout: - It is used for anchoring reinforcing bars, dowels & holding down bolts.
•
Honeycombing: - Honeycombs are hollow spaces and cavities left
in concrete mass on the surface or inside the mass
where concrete could not reach.
•
Emulsification: - An emulsion is a mixture of two or more liquids
that are normally immiscible.
•
Fiber board: - fiberboard is a type of engineered wood product that is
made out of wood fibers.
•
Hydrostatic pressure is the pressure that is exerted by a fluid at
equilibrium at a given point within the fluid, due to the force of
gravity. Hydrostatic pressure increases in proportion to depth
measured from the surface because of the increasing weight of fluid exerting
downward force from above.
•
Flaking: - Flaking is
the result of adhesion failure, causing the paint to become ... dirt, grease,
condensation and chalking – all of which can disrupt proper .
•
Oxidation Resistance: - (resistance to sealing), the ability of metallic materials to
resist chemical degradation of the surface caused by the action of air or other
gaseous mediums at high temperatures.
•
DFT: - Dry
Film Thickness
•
WFT: - Wet
Film Thickness
•
The solar reflectance index (SRI) is a measure of the constructed
surface's ability to reflect solar heat, as shown by a small
temperature rise. It is defined so that a standard black surface
(reflectance 0.05, emittance 0.90) is 0 and a standard white surface
(reflectance 0.80, emittance 0.90) is 100.
•
Aliphatic: - An aliphatic compound
is an organic compound containing carbon and hydrogen joined together in
straight chains, branched chains, or non-aromatic rings.
•
Tear resistance (or tear strength) is a measure of how well a
material can withstand the effects of tearing. It is a useful
engineering measurement for a wide variety of materials by many different test
methods.
•
Blister: - A
blister is a painful swelling on the surface.
•
A butt
joint is a technique in which two pieces of material are joined by
simply placing their ends together without any special shaping.
•
HDPE:-High-density polyethylene
•
Natural rubber is
produced naturally from the native Brazilian plant Hevea brasiliensis.
•
Synthetic rubber is artificially produced from a variety of polymers which provides
the rubber its properties.
•
Plasticizers: - Plasticizers is a substance (typically a solvent) added to a synthetic
resin to produce or promote plasticity and flexibility and to reduce
brittleness.
•
Petroleum: - Petroleum is
a naturally occurring liquid found beneath the Earth's surface that can be
refined into fuel. Petroleum is a fossil fuel, meaning that it has
been created by the decomposition of organic matter over millions of
years.
•
Bitumen: - A
black viscous mixture of hydrocarbons obtained naturally or as a residue from
petroleum distillation. It is used for road surfacing and roofing.
•
Tunnel: - A tunnel is
an underground passageway, dug through the surrounding soil/earth/rock and
enclosed except for entrance and exit, commonly at each end.
•
Culvert: - A
tunnel carrying a stream or open drain under a road or railway.
•
Facade: - The
principal front of a building, that faces on to a street or open space.
•
Reservoir: - A large natural or artificial lake used as a
source of water supply.
•
Bond strength: - The force that resists to separation of mortar
and concrete from reinforcing steel (or other materials with which it
is in contact) such as adhesion, friction due to shrinkage and longitudinal
shear in the concrete engaged by bar deformation.\
•
VOC: -Volatile
organic compounds (VOCs) are organic chemicals that have a high vapor
pressure at ordinary room temperature.
•
Laitance: - A
weak, milky layer of cement and aggregate fines on a concrete surface that is
usually caused by an over wet mixture, overworking the mixture, improper or
excessive finishing or combination thereof.
- Degreaser:- A degreaser is a solvent-based or solvent-containing cleaning agent. It is a chemical product mostly used for the removal of water-insoluble substances such as grease, paint, oil, lubricants, corrosive products, abrasive dust and all other organic films.
• Quarry tiles: -Quarry tile is a building construction material, usually 1⁄2 to 3⁄4 inch (13 to 19 mm) thick, made by either the extrusion process or more commonly by press forming and firing natural clay or shales. Quarry tile is manufactured from clay in a manner similar to bricks.
• Grinding: - To make something into small pieces or a powder by pressing between hard surfaces.
• Shot blasting is a technological process of removing various impurities from different surfaces by using abrasive. It is used for a surface protection and also prior-preparation of surfaces prior to further processing, such as welding, coloring, etc.
• A vacuum cleaner, also known simply as a vacuum, is a device that causes suction in order to remove debris from floors, upholstery, draperies and other surfaces
• Blinding is the process of pouring a thin layer of concrete over the floor of a new building.
• Mixed density—The density of the material surrounding the hollow space plus the density of the air inside.
• Relative Humidity: - The amount of water vapour present in air expressed as a percentage of the amount needed for saturation at the same temperature
• The tack coat will seal the damaged concrete and create a key between existing concrete and repair materials.
• BRE Screed Test: - The BRE Tester is designed to measure the soundness of a sand / cement floor screed as early as 14 days after laying. The device consists of a 1-metre-long, cylindrical guide rod, along which an annular weight of 4 kg (or 2kg) travels when released.
• BS 8204 part 1 2003: - Screed , bases and In situ Flooring
• Flexure tests: - It is generally used to determine the flexural modulus or flexural strength of a material. A flexure test is more affordable than a tensile test and test results are slightly different.
• Coves: - Coves are formed by differential erosion, which occurs when softer rocks are worn away faster than the harder rocks surrounding them. These rocks further erode to form a circular bay with a narrow entrance, called a cove.
• Patio: - A paved outdoor area adjoining a house.
• Skim Coat: - A skim coat is a thin coat of joint compound—also known as mud—that you can use to repair or smooth damaged walls. You may need a skim coat if you are repairing a crack, filling a joint, or leveling an area with an existing flat surface.
• CFTRI: - Central Food Technological Research Institute
• CSIR: - Council of Scientific and Industrial Research
• USFDA: - The Food and Drug Administration (FDA or ) is a federal agency of the United States Department of Health and Human Services
• RAL is a European color matching system which defines colors for paint, coatings and plastics.
• Antiskid :-Designed to increase friction, and thereby reduce the possibility of skid. (of a brake system) designed to maintain traction on a slippery surface.
•
Good information
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