Abstract: in this current political ground floor construction for road use the crusher to improve the quality of the soil strength. By monitoring how popular trial for the density of the material in the playground, using sand (Sand Cone Test), there is a limit in terms of its duration and the number of the checkpoint is not continuous. It has a Rapid development tool to test the quality of Cone Penetration layer that provides a crusher with speed test and able to measure the strength of resistance. Therefore, this research study to find the relationship between the resistances from Cone Penetration to the Rapid thankruai test laboratory which tests must be performed, California. Bearings. Rae Cho, a strong test against cone with the acceleration, force, resistance test and find God cone pressure single core use in materials research, there are 3 types: surface via rock mix. Basically the way the rock mix, mixed cement and soil-cement flooring alternative. A study of the testing laboratory Crusher (Compaction Test) to determine the appropriate quantity of water and the dry density of the three types of materials. For materials that improve quality by cement testing Trial Mix with cement, 1-5 per cent by mass of the material to determine the percent of the cement that makes the material with the highest compression strength. The result is expected to be able to find relationships from Cone Penetration test Rapid results with the results of the experiment in the lab, including test California. Bearings. Rae Cho, a strong test against cone with the acceleration test, tensile resistance and compression test, cone 11 axes.
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