Method for testing surface energy of aggregate
A test method and aggregate technology, applied in the field of aggregate surface energy test, to achieve the effect of short test time, simple preparation process and good data reproducibility
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[0019] Example 1: Basalt, diabase, limestone, sandstone and granite were selected as aggregates. The density and water absorption of each aggregate are shown in Table 1. The test liquids were distilled water, ethylene glycol and formamide.
[0020] Specific steps are as follows:
[0021] 1. Obtain a sample of the required size. The aggregate obtained from the quarry is divided into 5cm×5cm×1cm samples by water sawing method;
[0022] 2. Polish the sample to obtain a smooth and flat surface. First use a polishing machine to polish the cut sample, then rinse the sample with clean water, dry it, and then use 240# water sandpaper to further polish the sample to obtain a uniform and flat aggregate surface;
[0023] 3. Clean the surface of the sample used in the test. Soak the sample in pre-prepared analytical pure alcohol (ethanol content ≥ 95%), then rinse with distilled water, and finally put it in a 100°C oven for 5 hours to dry, take it out and place it dry for later use;
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