The rebound method is to use a spring-driven heavy hammer to bounce the concrete surface through a bounce rod (transmitting rod), and measure the rebound distance of the heavy hammer to calculate the rebound value (the ratio of the rebound distance to the initial length of the spring) )

In recent years, many concrete floors in various places have entered the aging period, and the concrete floors continue to have disease problems. Among them, concrete floor cracks, cracks, and reticulation are the most common ones

Whether it is construction engineering, bridge engineering or road engineering, as long as cement concrete is useful, it will involve the watering and maintenance of concrete. But such a seemingly common occurrence often contains details that are overlooked and misunderstood.

Before grinding concrete that is new, the concrete needs to cure to a hardness that is sufficient. This typically takes between 14 to 28 days after the placement of the concrete. An existing floor that requires extensive patching and floors that are extremely porous and soft might not be the best...

In most upgrades or renovation projects, contractors must always grind or cut through the concrete, so it's easy to apply cool finishes, such as when polishing floors or when removing stubborn mastic glue or even tiles.

A concrete grinder is a finishing tool used to perform the process of grinding and leveling concrete surface to provide a smooth finish. The concrete grinder can be used as surface preparation tool, aggressive coating removing tool and as concrete polishing tool.