How do you measure a concrete surface profile?
Surface profiles are measured quantitatively in units of mils (thousandths of an inch) or microns (one millionth of a meter). To convert between the two measurement systems, remember that 1 mil = 25.4 microns. Qualitative methods are also available and suitable in many circumstances.
How is concrete roughness measured?
The surface profile of prepared concrete surfaces can be assessed qualitatively using ICRI Concrete Surface Profile (CSP) chips (with or without a replica disc created using a proprietary epoxy putty), and can be assessed quantitatively by using a specially designed micrometer that measures the peaks valleys of the …
What is concrete surface preparation?
Concrete surfaces are prepared prior to resurfacing concrete to look like plain concrete again or to be upgraded to a decorative finish. Today polymers can be applied as thin as 1/8 ” or up to 3/4″ thick and stamped, producing a surface that looks just like a normal stamped concrete surface.
What is CSP coating?
Polymer Coated CSP Polymer coated (AASHTO M245, ASTM A742) is a laminate film that is applied over protective metallic coatings, typically galvanized. The 10/10 grade (10 mils thickness, each side) is the primary product used.
What is a scarifier concrete?
A concrete scarifier is a machine that uses spinning blades, attached to a rotating drum, to chip away at the top layer of a concrete surface. These machines are great for removing coatings and creating a level space, free of bumps and dips.
What is the roughness of concrete?
1. Surface roughness of common materials
| Material | Absolute Roughness mm |
|---|---|
| Concrete pipe – coarse | 3 |
| Plastic pipe | 0.002-0.007 |
| Wood – ordinary | 1-2.5 |
| Stone (cut) | 8-15 |
What is standard roughness?
Surface roughness, often shortened to roughness, is a component of surface texture. It is quantified by the deviations in the direction of the normal vector of a real surface from its ideal form. In tribology, rough surfaces usually wear more quickly and have higher friction coefficients than smooth surfaces.
How do you prepare a surface for concrete repair?
Preparation may be carried out using scarification, brushing or grinding, abrasive blasting, shot-blasting, and flame cleaning. Dust and debris produced as a result of surface preparation must be removed before applying the surface treatment.
How hot dip galvanizing is done?
The hot dip galvanizing process is relatively simple. It involves cleaning steel and immersing it in molten zinc to obtain a coating. Hot dip galvanizing is the process of coating iron or steel with a layer of zinc by immersing the metal in a bath of molten zinc at a temperature of around 450 °C (842 °F).
What is corrugated steel pipe?
Corrugated steel pipe is the “go to” material for the majority of pipe, culvert and drainage system applications. With a variety of CMP products, Contech offers engineers and contractors flexibility in designing drainage solutions to best fit their projects’ exact requirements.
How is ICRI used for concrete surface preparation?
However, ICRI does tell us how much surface profile is sufficient for various types of coatings and overlays: ICRI also indicates which methods of surface preparation can be used to render the indicated concrete surface profile. Abrasive blasting is one of the most versatile methods, covering a wide range of surface profiles, from CSP 2 to 7.
How many grades of concrete are there in ICRI?
There is no definitive text description for the ten grades: the comparator is the standard. However, ICRI does tell us how much surface profile is sufficient for various types of coatings and overlays: ICRI also indicates which methods of surface preparation can be used to render the indicated concrete surface profile.
How to prepare a concrete surface for TCC?
CSP 1 CSP 2 CSP 3 CSP 4 CSP 5 CSP 6 CSP 7 CSP 8 CSP 9 CSP 10 Coating to be applied: 1 Sealers (0-3 mils) 2 Thin-film (4-10 mils) 3 High build (10-40 mils) 4 Self-Leveling (50 mils-⅛ inch) 5 Polymer overlay (⅛-¼ inch) Preparation methods:
What do you need to know about the ICRI?
ICRI not only offers several membership options, but also offers opportunities to share your experience and expertise. Gain the fundamental education needed to succeed as a concrete repair professional. Discover best practices for the concrete repair, restoration, and renewal industry.