CN115083251A - Indoor replication method for sunken fossil of dinosaur footprint in humid environment - Google Patents
Indoor replication method for sunken fossil of dinosaur footprint in humid environment Download PDFInfo
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- 241000086550 Dinosauria Species 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 49
- 230000010076 replication Effects 0.000 title claims abstract description 23
- 239000004927 clay Substances 0.000 claims abstract description 95
- 239000000463 material Substances 0.000 claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 230000000994 depressogenic effect Effects 0.000 claims abstract 2
- 229910052602 gypsum Inorganic materials 0.000 claims description 123
- 239000010440 gypsum Substances 0.000 claims description 123
- 239000000843 powder Substances 0.000 claims description 48
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 33
- 239000000123 paper Substances 0.000 claims description 30
- 239000002002 slurry Substances 0.000 claims description 30
- 238000003756 stirring Methods 0.000 claims description 24
- 239000004575 stone Substances 0.000 claims description 24
- 239000004033 plastic Substances 0.000 claims description 20
- 229910052742 iron Inorganic materials 0.000 claims description 18
- 238000005259 measurement Methods 0.000 claims description 16
- 230000002285 radioactive effect Effects 0.000 claims description 13
- 239000011087 paperboard Substances 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- 239000011505 plaster Substances 0.000 claims description 9
- 239000002023 wood Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- 238000007790 scraping Methods 0.000 claims description 5
- 239000000758 substrate Substances 0.000 claims description 5
- 238000009966 trimming Methods 0.000 claims description 5
- 239000011111 cardboard Substances 0.000 claims description 2
- 230000006378 damage Effects 0.000 abstract description 3
- 239000000047 product Substances 0.000 description 9
- 239000011435 rock Substances 0.000 description 9
- 241001465754 Metazoa Species 0.000 description 5
- 239000004568 cement Substances 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
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- 230000001151 other effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
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Abstract
The invention discloses an indoor replication method for depressed fossils in dinosaur footprints in a humid environment, which comprises the following steps: s1, preparing materials; s2, determining the outline; s3, manufacturing a clay harness; s4, making a footprint fossil concave clay model; s5, overturning the die; s6, demolding; s7, repairing; s8, negative concave dinosaur footprint replication. The method has the advantages of low cost, simple and convenient operation, repeated use, capability of obtaining two models (a negative concave dinosaur footprint model and a dinosaur foot model) by one-time operation, no pollution, no damage to field fossil footprints and the like.
Description
Technical Field
The invention belongs to the technical field of footprint replication, and particularly relates to an indoor replication method for a dinosaur footprint sunken fossil in a humid environment.
Background
Footprinting fossils are evidence of ancient animal activity, the traces left on sedimentary rocks by the feet of active quadruped animals (including dinosaurs). Through the research on the fossil footprint, the composition of the tracing animal can be determined, and the variety, living environment, the forming place, time and mode of the footprint, the influence of the footprint on other biological and physicochemical environments, and the significance of the geological system and biology of the tracing animal can be researched.
When dinosaur footprint fossils are found, the most important thing is to record the number, size, shape and distribution. However, after the traceable fossils are found in the field environment, part of the traceable fossils are seriously weathered and gradually lose due to weathering and other effects within a period of time, so that when the traceable fossils are found, a traceable fossils model is made on the site at the first time, and the method is the most important method in the ancient biology research.
In the field, the dinosaur footprints are divided into two footprints, namely positive convex footprints and negative concave footprints, wherein the negative concave footprints are more. The negative concave footprint in the natural holding state can be used for making a convex model. The manual modeling has several advantages: 1) the model is a permanent three-dimensional concave model, is consistent with the field real footprint, and is more convenient to research; 2) the original footprint model in the field is concave, and the foot model of the dinosaur and the quadruped animal formed in the manufacturing process can display the details of the foot. The artificial molding is a supplement to the natural preservation deficiency; 3) after manual molding, the mold can be arbitrarily copied in a laboratory.
Currently, there are three main methods for the replication of negative-type recessed footprints. The first method, 3D printing, is mainly to print a recessed footprint after 3D scanning. And the second rubber sheet film is mainly characterized in that rubber liquid is injected into the downwards concave footprint imprinting stone outdoors, a rubber solidification finished product is directly taken out after solidification, a dinosaur foot model is obtained, and then the downwards concave footprint model can be obtained through the dinosaur foot rubber model by a molding method. And thirdly, injecting water and gypsum into the downwards concave footprint printing stone to synthesize uniform thick liquid, taking out the dinosaur foot model after drying, and then obtaining the downwards concave footprint model by a molding method through the dinosaur foot gypsum model.
None of these three methods work better for fossils recessed in the dinosaur footprint in humid environments. The printing method is performed after the 3D scanning, and the scanning cannot be performed better when moisture or other impurities are present in the footprint pits. The rubber sheet film forming method and the gypsum pattern forming method cannot be effectively carried out because of the presence of moisture in the footprint pit, and at the same time, even if both methods are available, there are adverse effects such as destruction and corrosion on the footprint pit, which have been banned by the european and american countries.
Disclosure of Invention
The invention aims to solve the existing problems and provides an indoor copying method for dinosaur footprints with fossils under a humid environment.
The invention is realized by the following technical scheme:
an indoor replication method for fossilizing dinosaur footprints in a humid environment, comprising the steps of:
s1, preparation of materials:
the materials comprise various data and photo data of dinosaur footprint, 2-3 pieces of transparent paper, thicker needles, a plurality of thin branches, one thick wood strip, gypsum powder, plastic clay, a plurality of hard boards, a stapler, a ruler, a container for stirring gypsum, a long stick for stirring gypsum, water, a release agent and an art knife;
s2, determining the outline:
drawing the outline of the footprint stone on the transparent white paper according to the appearance of the measured footprint;
s3, manufacturing a clay harness:
clay harness is made of hard board, and the main purpose is to place the footprint.
S4, making a footprint fossil concave clay model:
s401, removing a proper amount of plastic clay from a clay container, and flatly paving the clay to a height close to the height of the clay container and enabling the clay to be horizontal;
s402, taking the well-drawn transparent white paper, flatly paving the white paper on clay, and downwards puncturing the white paper by using a long needle at an interval of 1cm according to the outline on the white paper to form a dotted outline on the clay;
s403, cutting off the excessive clay by using an art knife according to the contour, and then digging down to a measurement value one by one according to the depth value measurement points;
s404, observing the picture, and trimming the area between the depth value measurement points to be smooth and excessive;
s405, manually reducing the appearance characteristics according to the height and the shape of radioactive stone cracks and raised ridges around the footprints in the sheet, and fully coating a release agent on the whole formed plastic clay;
s5, mould overturning:
s501, adding a proper amount of clear water into a container for stirring gypsum, adding gypsum powder, and uniformly stirring by using a long stick to ensure that no air bubbles exist; if the gypsum powder is solidified faster, the proportion of water is slightly more; if the gypsum powder is slow in curing time and the proportion of water is less, the gypsum powder is flexible and self-defined (note: any gypsum powder must have strength after curing, gypsum powder without strength cannot be used, the time for stirring the gypsum powder is not too long, and the time is controlled within half a minute, otherwise the gypsum powder can be dried in a short time.
S502, slowly pouring the stirred gypsum slurry into a clay container paved with plastic clay to enable the gypsum slurry to be uniformly adhered to the mold; the thickness of the gypsum slurry poured into the mould for the first time must be proper, if the pressure of the too thick gypsum is too large to deform the mould, the poured gypsum is deformed like a Chinese character 'tu'; if too thin, it is easily broken; after the first layer is dried, repeating the method for two to three times according to the speed-up method, wherein the next step of operation can be carried out after the last layer of gypsum is dried before each layer is carried out; finally, the gypsum slurry is completely immersed into the radioactive stone cracks and the raised ridges around the footprints; adding a coarse iron wire or a coarse iron handle in time in the process of injecting the gypsum slurry, and taking the gypsum slurry as a hand-held handle after the gypsum slurry is solidified;
s6, demolding:
after the gypsum is solidified, reversely placing the dinosaur foot model on a flat ground, firstly taking off the paper board, and then slowly stripping the model from the bottom by two hands; when demoulding, the mould is slowly demoulded by hand towards the inside of the mould, if the demoulding is not good in a complex place, a proper amount of boiled water can be poured on the surface of the mould to soften the mould and then demoulding is carried out. The excess plaster at the bottom was trimmed with a knife.
S7, repairing:
using a brush pen to dip water, adding gypsum powder to repair bubbles of the prepared gypsum product, and scraping off the excessive gypsum on the edge of the product by using a knife;
s8, negative concave dinosaur footprint replication:
the prepared dinosaur foot plaster replica is utilized to simulate a dinosaur tracing pressing footprint on the surface (such as prepared cement and clay) of a substrate to be pressed, so as to form a copied negative concave dinosaur footprint.
Further, the footprint data described in step S1 includes a maximum length, a maximum width, an inter-toe angle, a maximum depth; and respectively measuring the depth value of the horizontal rock surface to the distance on the straight line of the maximum width and the maximum length according to 8-10 points distributed on the average distance. For three-toe and five-toe footprints, 8-10 points are required to be arranged at the intersection of the maximum width and the maximum length in the direction from the toe to the heel (sole) pad at equal intervals respectively, and the depth value of the horizontal rock surface is measured. Other types of footprints set depth value measurement points (FIG. 1) with reference to this method; the radioactive stone cracks and the raised ridges around the footprints are set with measuring points as much as possible, and the stone appearance is restored according to the raised trend in the photos. The photographs were taken to be appropriately sized to show all the footprints characteristic.
Further, the size of the transparent paper described in step S1 is larger than the footprint.
Further, the needles described in step S1 have a length > 5cm and a thickness > 0.5 mm.
Further, the thin branch described in step S1 may be replaced with a thin iron wire.
Further, the thick stick described in step S1 may be replaced with thick iron wire.
Further, the length of the harness in step S3 is greater than the maximum length and width of the footprint, the depth of the footprint is based on the maximum value of the depth values of the footprint, and 3-5 cm is added as the depth of the clay mold, for example, the maximum depth value of the footprint is 5cm, and the cardboard around the clay harness with the height of the clay mold being 8-10 cm can be fixed by a stapler.
Further, the ratio of the water to the gypsum powder in the step S501 is 1: 1.5-2.1.
Compared with the prior art, the invention has the following advantages:
at present, no better footprint replication method exists for negative-type concave dinosaur footprints which can not be subjected to three-dimensional scanning in the field and can be directly modeled in the field. The method has the advantages of low cost, simple and convenient operation, repeated use, capability of obtaining two models (a negative concave dinosaur footprint model and a dinosaur foot model) by one-time operation, no pollution, no damage to field fossil footprints and the like.
Drawings
FIG. 1 is a process flow diagram of the present application for the indoor replication method of dinosaur fossils from footprints in humid environments;
fig. 2 is a sketch map for setting a depth value measuring point of a foothold fossil according to the application.
Detailed Description
Example 1:
an indoor replication method for fossilizing a dinosaur footprint in a humid environment, comprising the steps of:
s1, preparation of materials:
preparing various data and photo data of the dinosaur footprint;
the footprint data includes maximum length, maximum width, inter-toe angle, maximum depth; and respectively measuring the depth value of the horizontal rock surface to the distance according to 8 points distributed on the straight line of the maximum width and the maximum length and according to the average distance, and for the three-toe type footprint and the five-toe type footprint, respectively setting 8 points at the intersection of the maximum width and the maximum length in the direction from the toe to the heel (palm) pad at equal intervals to measure the depth value of the horizontal rock surface to the distance. Other types of footprints set depth value measuring points by referring to the method (in figure 1, black points are set points); the radioactive stone cracks and the raised ridges around the footprints are set with measuring points as much as possible, and the stone appearance is restored according to the raised trend in the photos. The size of the shot picture is proper, and all the foot print characteristics are displayed;
2 pieces of transparent paper (the size of the transparent paper is larger than the footprint);
thicker needles (needle length > 5cm, thickness > 0.5 mm);
a plurality of fine branches or fine iron wires;
a thick wood strip and a thick iron wire;
gypsum powder, plastic clay, a plurality of hardboards, a stapler, a ruler, a container for stirring gypsum, a long stick for stirring gypsum, water, a release agent and an art knife;
s2, determination of the outline:
drawing the outline of the footprint stone on the transparent white paper according to the appearance of the measured footprint;
s3, manufacturing a clay harness:
the clay harness is made of hard paper board, the length of the harness is larger than the maximum length and width of the footprint, the depth of the footprint is based on the maximum value of the depth values of the footprint, 3cm is added as the depth of the clay mould, for example, the maximum depth value of the footprint is 5cm, and the hard paper board around the clay harness with the height of the clay mould being 8cm can be fixed by a stapler.
S4, making a footprint fossil concave clay model:
s401, removing a proper amount of plastic clay from a clay container, and flatly paving the clay to a height close to the height of the clay container and enabling the clay to be horizontal;
s402, taking the well-drawn transparent white paper, flatly paving the white paper on clay, and downwards puncturing the white paper by using a long needle at an interval of 1cm according to the outline on the white paper to form a dotted outline on the clay;
s403, cutting off the excessive clay by using an art knife according to the contour, and then digging down to a measurement value one by one according to the depth value measurement points;
s404, observing the picture, and trimming the area between the depth value measurement points to be smooth and excessive;
s405, manually reducing the appearance characteristics according to the heights and the shapes of radioactive stone cracks and raised ridges around the footprints in the sheet, and coating a release agent on the whole formed plastic clay;
s5, mould overturning:
s501, adding a proper amount of clear water into a container for stirring gypsum, adding gypsum powder (the ratio of water to gypsum powder is 1:1.5), and stirring uniformly by using a long stick to ensure that no bubbles exist; if the gypsum powder is solidified faster, the proportion of water is slightly more; if the gypsum powder is slow in curing time and the proportion of water is less, the gypsum powder is flexible and self-defined (note: any gypsum powder must have strength after curing, gypsum powder without strength cannot be used, the time for stirring the gypsum powder is not too long, and the time is controlled within half a minute, otherwise the gypsum powder can be dried in a short time.
S502, slowly pouring the stirred gypsum slurry into a clay container paved with plastic clay to enable the gypsum slurry to be uniformly adhered to the mold; the thickness of the gypsum slurry poured into the mould for the first time must be proper, if the pressure of the too thick gypsum is too large to deform the mould, the poured gypsum is deformed like a Chinese character 'tu'; if too thin, it is easily broken; after the first layer is dried, repeating the method for two to three times according to the speed-up method, wherein the next step of operation can be carried out after the last layer of gypsum is dried before each layer is carried out; finally, the gypsum slurry is completely immersed into the radioactive stone cracks and the raised ridges around the footprints; adding a coarse iron wire or a coarse iron handle in time in the process of injecting the gypsum slurry, and taking the gypsum slurry as a hand-held handle after the gypsum slurry is solidified;
s6, demolding:
after the gypsum is solidified, reversely placing the dinosaur foot model on a flat ground, firstly taking off the paper board, and then slowly stripping the model from the bottom by two hands; when demoulding, the mould is slowly demoulded by hand towards the inside of the mould, if the demoulding is not good in a complex place, a proper amount of boiled water can be poured on the surface of the mould to soften the mould and then demoulding is carried out. The excess plaster at the bottom was trimmed with a knife.
S7, repairing:
using a brush pen to dip water, adding gypsum powder to repair bubbles of the prepared gypsum product, and scraping off the excessive gypsum on the edge of the product by using a knife;
s8, negative concave dinosaur footprint replication:
the prepared dinosaur foot plaster replica is utilized to simulate a dinosaur tracing pressing footprint on the surface (such as prepared cement and clay) of a substrate to be pressed, so as to form a copied negative concave dinosaur footprint.
Example 2:
an indoor replication method for fossilizing dinosaur footprints in a humid environment, comprising the steps of:
s1, preparation of materials:
preparing various data and photo data of the dinosaur footprint;
the footprint data includes maximum length, maximum width, inter-toe angle, maximum depth; and respectively measuring depth values of the horizontal rock surface according to 9 points distributed on the straight lines of the maximum width and the maximum length and the average distance. For the three-toe and five-toe footprints, 9 points are required to be respectively arranged at the intersection point of the maximum width and the maximum length in the direction from the toe to the heel (sole) pad at equal distance, and the depth value from the horizontal rock face is measured. The depth value measuring points are set by other types of footprints according to the method (in the figure 1, black points are set points); the radioactive stone cracks and the raised ridges around the footprints are set with measuring points as much as possible, and the stone appearance is restored according to the raised trend in the photos. The size of the shot picture is proper, and all the foot print characteristics are displayed;
2 pieces of transparent paper (the size of the transparent paper is larger than the footprint);
thicker needles (needle length > 5cm, thickness > 0.5 mm);
a plurality of thin branches or thin iron wires;
a thick wood strip and a thick iron wire;
gypsum powder, plastic clay, a plurality of hardboards, a stapler, a ruler, a container for stirring gypsum, a long stick for stirring gypsum, water, a release agent and an art knife;
s2, determining the outline:
drawing the outline of the footprint stone on the transparent white paper according to the appearance of the measured footprint;
s3, manufacturing a clay harness:
the clay harness is made of hard paper board, the length of the harness is larger than the maximum length and width of the footprint, the depth of the footprint is based on the maximum value of the depth values of the footprint, 4cm is added as the depth of the clay mould, for example, the maximum depth value of the footprint is 5cm, and the hard paper board around the clay harness with the height of the clay mould of 9cm can be fixed by a stapler.
S4, making a footprint fossil concave clay model:
s401, removing a proper amount of plastic clay from a clay container, and flatly paving the clay to a height close to the height of the clay container and enabling the clay to be horizontal;
s402, taking the well-drawn transparent white paper, flatly paving the white paper on clay, and downwards puncturing the white paper by using a long needle at an interval of 1cm according to the outline on the white paper to form a dotted outline on the clay;
s403, cutting off the excessive clay by using an art knife according to the contour, and then digging down to a measurement value one by one according to the depth value measurement points;
s404, observing the picture, and trimming the area between the depth value measurement points to be smooth and excessive;
s405, manually reducing the appearance characteristics according to the height and the shape of radioactive stone cracks and raised ridges around the footprints in the sheet, and fully coating a release agent on the whole formed plastic clay;
s5, mould overturning:
s501, adding a proper amount of clear water into a container for stirring gypsum, adding gypsum powder (the ratio of water to gypsum powder is 1:1.8), and stirring uniformly by using a long stick to ensure that no bubbles exist; if the gypsum powder is solidified faster, the proportion of water is slightly more; if the gypsum powder is slow in curing time and the proportion of water is less, the gypsum powder is flexible and self-defined (note: any gypsum powder must have strength after curing, gypsum powder without strength cannot be used, the time for stirring the gypsum powder is not too long, and the time is controlled within half a minute, otherwise the gypsum powder can be dried in a short time.
S502, slowly pouring the stirred gypsum slurry into a clay container paved with plastic clay to enable the gypsum slurry to be uniformly adhered to the mold; the thickness of the gypsum slurry poured into the mould for the first time must be proper, if the pressure of the too thick gypsum is too large to deform the mould, the poured gypsum is deformed like a Chinese character 'tu'; if too thin, it is easily broken; after the first layer is dried, repeating the method for two to three times according to the speed-up method, wherein the next step of operation can be carried out after the last layer of gypsum is dried before each layer is carried out; finally, the gypsum slurry is completely immersed into the radioactive stone cracks and the raised ridges around the footprints; adding a coarse iron wire or a coarse iron handle in time in the process of injecting the gypsum slurry, and taking the gypsum slurry as a hand-held handle after the gypsum slurry is solidified;
s6, demolding:
after the gypsum is solidified, reversely placing the dinosaur foot model on a flat ground, firstly taking off the paper board, and then slowly stripping the model from the bottom by two hands; when demoulding, the mould is slowly demoulded by hand towards the inside of the mould, if the demoulding is not good in a complex place, a proper amount of boiled water can be poured on the surface of the mould to soften the mould and then demoulding is carried out. The excess plaster at the bottom was trimmed with a knife.
S7, repairing:
using a brush pen to dip water, adding gypsum powder to repair bubbles of the prepared gypsum product, and scraping off the excessive gypsum on the edge of the product by using a knife;
s8, negative concave dinosaur footprint replication:
the prepared dinosaur foot plaster replica is utilized to simulate a dinosaur tracing pressing footprint on the surface (such as prepared cement and clay) of a substrate to be pressed, so as to form a copied negative concave dinosaur footprint.
Example 3:
an indoor replication method for fossilizing dinosaur footprints in a humid environment, comprising the steps of:
s1, preparation of materials:
preparing various data and photo data of the dinosaur footprint;
the footprint data includes maximum length, maximum width, inter-toe angle, maximum depth; and respectively measuring depth values of the horizontal rock surface according to 10 points distributed on the straight lines of the maximum width and the maximum length and the average distance. For the three-toe and five-toe footprints, 10 points are required to be arranged at the intersection of the maximum width and the maximum length in the direction from the toe to the heel (sole) pad respectively at equal distance, and the depth value from the horizontal rock face is measured. The depth value measuring points are set by other types of footprints according to the method (in the figure 1, black points are set points); the radioactive stone cracks and the raised ridges around the footprints are set with measuring points as much as possible, and the stone appearance is restored according to the raised trend in the photos. The size of the shot picture is proper, and all the foot print characteristics are displayed;
3 pieces of transparent paper (the size of the transparent paper is larger than the footprint);
thicker needles (needle length > 5cm, thickness > 0.5 mm);
a plurality of fine branches or fine iron wires;
a thick wood strip and a thick iron wire;
gypsum powder, plastic clay, a plurality of hardboards, a stapler, a ruler, a container for stirring gypsum, a long stick for stirring gypsum, water, a release agent and an art knife;
s2, determining the outline:
drawing the outline of the footprint stone on the transparent white paper according to the appearance of the measured footprint;
s3, manufacturing a clay harness:
the clay harness is made of hard paper board, the length of the harness is larger than the maximum length and width of the footprint, the depth of the footprint is based on the maximum value of the depth values of the footprint, 5cm is added as the depth of the clay mould, for example, the maximum depth value of the footprint is 5cm, and the hard paper board around the clay harness with the height of the clay mould of 10cm can be fixed by a stapler.
S4, making a footprint fossil concave clay model:
s401, removing a proper amount of plastic clay from a clay container, and flatly paving the clay to a height close to the height of the clay container and enabling the clay to be horizontal;
s402, taking the well-drawn transparent white paper, flatly paving the white paper on clay, and downwards puncturing the white paper by using a long needle at an interval of 1cm according to the outline on the white paper to form a dotted outline on the clay;
s403, cutting off the excessive clay by using an art knife according to the contour, and then digging down to a measurement value one by one according to the depth value measurement points;
s404, observing the picture, and trimming the area between the depth value measurement points to be smooth and excessive;
s405, manually reducing the appearance characteristics according to the height and the shape of radioactive stone cracks and raised ridges around the footprints in the sheet, and fully coating a release agent on the whole formed plastic clay;
s5, mould overturning:
s501, adding a proper amount of clear water into a container for stirring gypsum, adding gypsum powder (the ratio of water to gypsum powder is 1:2.1), and stirring uniformly by using a long stick to ensure that no bubbles exist; if the gypsum powder is solidified faster, the proportion of water is slightly more; if the gypsum powder is slow in curing time and the proportion of water is less, the gypsum powder is flexible and self-defined (note: any gypsum powder must have strength after curing, gypsum powder without strength cannot be used, the time for stirring the gypsum powder is not too long, and the time is controlled within half a minute, otherwise the gypsum powder can be dried in a short time.
S502, slowly pouring the stirred gypsum slurry into a clay container paved with plastic clay to enable the gypsum slurry to be uniformly adhered to the mold; the thickness of the gypsum slurry poured into the mould for the first time must be proper, if the pressure of the too thick gypsum is too large to deform the mould, the poured gypsum is deformed like a Chinese character 'tu'; if too thin, it is easily broken; after the first layer is dried, repeating the method for two to three times according to the speed-up method, wherein the next step of operation can be carried out after the last layer of gypsum is dried before each layer is carried out; finally, the gypsum slurry is completely immersed into the radioactive stone cracks and the raised ridges around the footprints; adding a coarse iron wire or a coarse iron handle in time in the process of injecting the gypsum slurry, and taking the gypsum slurry as a hand-held handle after the gypsum slurry is solidified;
s6, demolding:
after the gypsum is solidified, reversely placing the dinosaur foot model on a flat ground, firstly taking off the paper board, and then slowly stripping the model from the bottom by two hands; when demoulding, the mould is slowly demoulded by hand towards the inside of the mould, if the demoulding is not good in a complex place, a proper amount of boiled water can be poured on the surface of the mould to soften the mould and then demoulding is carried out. The excess plaster at the bottom was trimmed with a knife.
S7, repairing:
using a writing brush to dip water and adding gypsum powder to repair bubbles of the prepared gypsum product, and scraping off the excessive gypsum on the edge of the product by using a knife;
s8, negative concave dinosaur footprint replication:
the prepared dinosaur foot plaster replica is utilized to simulate a dinosaur tracing pressing footprint on the surface (such as prepared cement and clay) of a substrate to be pressed, so as to form a copied negative concave dinosaur footprint.
Claims (8)
1. An indoor replication method for depressed fossils of a dinosaur footprint in a humid environment, comprising the steps of:
s1, preparation of materials:
the materials comprise various data and photo data of dinosaur footprint, 2-3 pieces of transparent paper, thicker needles, a plurality of thin branches, one thick wood strip, gypsum powder, plastic clay, a plurality of hard boards, a stapler, a ruler, a container for stirring gypsum, a long stick for stirring gypsum, water, a release agent and an art knife;
s2, determining the outline:
drawing the outline of the footprint stone on the transparent white paper according to the appearance of the measured footprint;
s3, manufacturing a clay harness:
making clay container with hard paper board;
s4, making a footprint fossil concave clay model:
s401, removing a proper amount of plastic clay from a clay container, and flatly paving the clay to a height close to the height of the clay container and enabling the clay to be horizontal;
s402, taking the well-drawn transparent white paper, flatly paving the white paper on clay, and downwards puncturing the white paper by using a long needle at an interval of 1cm according to the outline on the white paper to form a dotted outline on the clay;
s403, cutting off the excessive clay by using an art knife according to the contour, and then digging down to a measurement value one by one according to the depth value measurement points;
s404, observing the picture, and trimming the area between the depth value measurement points to be smooth and excessive;
s405, manually reducing the appearance characteristics according to the height and the shape of radioactive stone cracks and raised ridges around the footprints in the sheet, and fully coating a release agent on the whole formed plastic clay;
s5, mould overturning:
s501, adding a proper amount of clear water into a container for stirring gypsum, adding gypsum powder, and uniformly stirring by using a long stick to ensure that no air bubbles exist;
s502, slowly pouring the stirred gypsum slurry into a clay container paved with plastic clay to enable the gypsum slurry to be uniformly adhered to the mold;
s6, demolding:
after the gypsum is solidified, reversely placing the dinosaur foot model on a flat ground, firstly taking off the paper board, and then slowly stripping the model from the bottom by two hands;
s7, repairing:
using a brush pen to dip water, adding gypsum powder to repair bubbles of the prepared gypsum product, and scraping off the excessive gypsum on the edge of the product by using a knife;
s8, negative concave dinosaur footprint replication:
and (3) utilizing the prepared dinosaur foot plaster replica to simulate a dinosaur trail on the surface of the substrate to be pressed to press a footprint to form a copied negative concave dinosaur footprint.
2. The indoor replication method for dinosaur footprint fossils in humid environment according to claim 1, wherein the footprint data in step S1 includes maximum length, maximum width, inter-toe angle, maximum depth.
3. The indoor reproduction method for the dinosaur footprint fossils in the humid environment as claimed in claim 1, wherein the size of the transparent paper is larger than the footprint in step S1.
4. The indoor replication method for dinosaur fossilization in humid environment according to claim 1, wherein the needle in step S1 has a length > 5cm and a thickness > 0.5 mm.
5. The method for indoor reproduction of dinosaur fossa-lowering in a humid environment according to claim 1, wherein said thin branch of step S1 can be replaced with thin iron wire.
6. The indoor replication method for dinosaur fossilization in humid environment according to claim 1, wherein the thick wood strips in step S1 can be replaced by thick iron wires.
7. The indoor reproduction method for dinosaur footprint debossing fossil under humid environment according to claim 1, wherein the length of the binding in step S3 is larger than the maximum length and width of the footprint, the depth of the footprint is based on the maximum value of the depth of the footprint fossil, and 3-5 cm is added as the depth of the clay mold, the cardboard around the clay binding can be fixed by a stapler.
8. The indoor replication method for the dinosaur footprint fossils in the humid environment as claimed in claim 1, wherein the ratio of water to gypsum powder in step S501 is 1: 1.5-2.1.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1130133A (en) * | 1994-11-22 | 1996-09-04 | 照明及图象公司 | Scultapture article and its making method |
| KR20000073419A (en) * | 1999-05-10 | 2000-12-05 | 황치하 | Producing method of molding for decoration making use of clay |
| CN102642239A (en) * | 2012-04-06 | 2012-08-22 | 中国人民公安大学 | Snowfield footprint molding box and method for extracting snowfield footprint |
| CN203122414U (en) * | 2013-03-21 | 2013-08-14 | 辽宁警官高等专科学校 | Convenient and fast three-dimensional footprint extractor |
-
2022
- 2022-06-30 CN CN202210771431.2A patent/CN115083251B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1130133A (en) * | 1994-11-22 | 1996-09-04 | 照明及图象公司 | Scultapture article and its making method |
| KR20000073419A (en) * | 1999-05-10 | 2000-12-05 | 황치하 | Producing method of molding for decoration making use of clay |
| CN102642239A (en) * | 2012-04-06 | 2012-08-22 | 中国人民公安大学 | Snowfield footprint molding box and method for extracting snowfield footprint |
| CN203122414U (en) * | 2013-03-21 | 2013-08-14 | 辽宁警官高等专科学校 | Convenient and fast three-dimensional footprint extractor |
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