A method and device for measuring the density of a composite grouted rockfill dam based on additional mass
A technology of density measurement and additional mass, which is applied in the field of engineering geophysical exploration, can solve the problems of not showing the linear relationship of rockfill bodies, limiting the application range of the additional mass method, and large variation range
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[0031] The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments. The following examples are intended to illustrate the present invention, but not to limit the scope of the present invention.
[0032] like figure 1 As shown, the figure shows a method for measuring the density of a composite slurry rockfill dam, including:
[0033] After the composite grout rockfill material to be determined is condensed, a backing plate is placed on the composite grout rockfill material, and several mass blocks are stacked on the backing plate; detection. The parameters dynamic stiffness K and paravibration mass M are tested by the additional mass method of several non-coincident measuring points on the rolling surface 0 Mathematical statistics were performed at the time points where the range of change was less than 3%, and the best on-site test time (3 days) was analyzed.
[0034] In general, th...
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