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2. Shotcrete - Wikipedia

   en.wikipedia.org/wiki/Shotcrete

   Shotcrete, gunite (/ ˈ ɡ ʌ n aɪ t /), or sprayed concrete is concrete or mortar conveyed through a hose and pneumatically projected at high velocity onto a surface. This construction technique was invented by Carl Akeley and first used in 1907. [1]: 7 The concrete is typically reinforced by conventional steel rods, steel mesh, or fibers.

3. Osmotic blistering - Wikipedia

   en.wikipedia.org/wiki/Osmotic_blistering

   When a paint coating is applied on a metallic surface contaminated with soluble salts, an osmotic blistering process takes place (Figure 8.10). Osmosis is the spontaneous net movement of solvent molecules (water) through a semipermeable membrane (coating film) into a region of higher solute concentration (the salt contaminated substrate).

4. Cold spraying - Wikipedia

   en.wikipedia.org/wiki/Cold_spraying

   Standoff distance, i.e. the distance between the cold spray nozzle and the substrate. [9] Cold spray parameters are selected with respect to the desired coating characteristics and economic considerations. This can be done by considering correlations between process parameters and final coating properties. [10]

5. Concrete sealer - Wikipedia

   en.wikipedia.org/wiki/Concrete_sealer

   In past decades attempts to protect concrete have included sealers ranging from wax to linseed oil. Today, high quality concrete sealers can block up to 99% of surface moisture. There are two main sealer categories: topical sealers (coatings) and penetrating sealers (reactive).

6. Hydrophobic concrete - Wikipedia

   en.wikipedia.org/wiki/Hydrophobic_concrete

   When creating hydrophobic concrete through a coating process, a coating is sprayed or brushed onto a porous surfaces. In most cases, it is applied to a regular concrete slab that then undergoes a corrosive process to expose more of the concrete's capillaries. This can be achieved by water blasting the surface at about 3,000-4,000 psi.

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   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!