Answer: True Explanation: Control joints are indeed crucial in preventing concrete curbing (or any concrete structure) from cracking. Here’s why control joints are important:
1. Control of Cracking: Concrete tends to shrink as it cures and can crack as a result of internal stresses caused by temperature changes, moisture content, and drying shrinkage. Control joints are planned cracks that provide a weakened plane where the concrete can crack in a controlled manner, minimizing the likelihood of random cracking elsewhere in the structure.
2. Location of Joints: Control joints are strategically placed at regular intervals in the concrete curbing to create segments. These joints encourage the concrete to crack along predetermined lines, reducing stress concentrations and preventing cracks from forming randomly across the surface.
3. Structural Integrity: By controlling where cracks occur, control joints help maintain the structural integrity and appearance of the concrete curbing. Properly placed joints also help to extend the lifespan of the curbing by reducing the risk of extensive cracking and potential damage.
4. Design and Aesthetics: Control joints can also be incorporated into the design of the curbing to complement its aesthetic appeal. They can be disguised or integrated into the pattern or layout of the curbing to minimize their visual impact while still serving their functional purpose.
In summary, control joints are essential in preventing concrete curbing (and other concrete structures) from cracking by providing controlled points of weakness where cracking is encouraged to occur. Proper design and placement of control joints are critical to ensuring the durability, longevity, and appearance of concrete curbing installations. |
Midtex Services |
Answer: True Explanation: Concrete curbing should be cut no less then every 10 feet to keep from cracking. |
Solid Solutions Concrete LLC |
Answer: True Explanation: Control joints help prevent cracking |
Capristo concrete |
|
ProMatcher |
Answer: False Explanation: They control where it cracks |
Solidworks Construction Inc |
Answer: False Explanation: It helps, but no guarantees. |
COMMON SENSE FLOORING, INC. |
Answer: True Explanation: Control joints are used to limit concrete cracking. |
Treasure Coast Concrete Polishing |
|
ProMatcher |
Answer: True Explanation: Control joints attempt to control cracks |
Phoenix concrete services inc. |
Answer: True Explanation: Control joints are to give a controlled crack in the joint and not on the surface. |
Colorado Concrete |
Answer: True Explanation: joits help to expation of concrete |
alvaradomasonry |
|
ProMatcher |
Answer: True Explanation: Concrete curbing is just like any other concrete. It can and will crack. We mediate this by cutting control joints into our curbing so that if cracking does occur it happens at the joint. |
R&J Custom Curbing LLC |
Answer: False Explanation: They only control where they crack! |
DIRTCO CONSTRUCTION |