Stone cultural relic surface crack repairing material and preparation method thereof
A technology for stone cultural relics and restoration materials, applied in the direction of solid waste management, sustainable waste treatment, climate sustainability, etc. Moderate strength, low cost, good durability
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[0055] Another aspect of the present invention provides a method for preparing a material for repairing cracks on the surface of stone cultural relics, the method comprising the following steps:
[0056] Step S100, determining the physical and mechanical properties of the restored stone cultural relics, selecting a rock sample with the same physical and mechanical properties as the restored stone cultural relics, and crushing the rock samples into rock debris with a particle size of 60-100 mesh for later use; Specifically, add water to the rock sample to soften it, fully saturate the rock sample, grind the fully saturated rock sample into cuttings with a particle size of 60-100 mesh, and dry the cuttings for later use;
[0057] Step S200, prepare a potassium silicate solution with a modulus of 3.8, the concentration of the potassium silicate solution is modulated based on the cracks to be repaired in the stone cultural relics to be repaired;
[0058] In step S300, the rock cut...
Embodiment 1
[0067] Firstly, sandstone blocks were selected and cut into several 50mm×50mm×25mm samples with a rock cutter, and the first group of samples (3 pieces) were washed with pure water, and then naturally air-dried indoors for later use. Use a crusher to break the remaining sandstone fragments into sandstone fragments ≤ 20mm, collect all sandstone fragments and place them in a stainless steel container, pour pure water into the container until the sandstone fragments are submerged, and stand still for 24 hours. Then pour the water and sandstone fragments in the stainless steel container into the filter funnel, drain the water on the surface of the sandstone fragments, place the sandstone fragments on a rubber board, and grind them with a wooden mill. Collect the crushed sandstone powder and dry it in a drying oven at 105°C to constant weight (drying time not less than 8 hours), then pass through a 60-mesh sieve, and collect the sandstone powder under the sieve for later use.
[00...
Embodiment 2
[0072] Firstly, sandstone blocks were selected, cut into 50mm×50mm×25mm samples with a rock cutter, and the second group of samples (3 pieces) were washed with pure water, and then naturally air-dried indoors for later use. Use a crusher to break the remaining sandstone fragments into sandstone fragments ≤ 20mm, collect all sandstone fragments and place them in a stainless steel container, pour pure water into the container until the sandstone fragments are submerged, and stand still for 24 hours. Then pour the water and sandstone fragments in the stainless steel container into the filter funnel, drain the water on the surface of the sandstone fragments, place the sandstone fragments on a rubber board, and grind them with a wooden mill. Collect the crushed sandstone powder, dry it in a drying oven at 105°C to constant weight (drying time not less than 8 hours), then pass through an 80-mesh sieve, and collect the sandstone powder under the sieve for future use.
[0073] Take 1 ...
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Abstract
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