The majority of structures in the world use concrete. To ensure the long-term durability of structures, compressive testing of concrete is indispensable. However, the metal molds used for concrete compression testing have changed very little since ancient times.
In Japan, to streamline and automate this process, disposable cylinder molds like the following are used. Disposable molds offer significant advantages such as being lightweight, easy to carry, and requiring no cleaning after use. Once you've used them, it's hard to go back to the old methods.
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