CN210766710U - Split mounting type coal gangue porous concrete sand fixation plate - Google Patents
Split mounting type coal gangue porous concrete sand fixation plate Download PDFInfo
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- CN210766710U CN210766710U CN201921289053.4U CN201921289053U CN210766710U CN 210766710 U CN210766710 U CN 210766710U CN 201921289053 U CN201921289053 U CN 201921289053U CN 210766710 U CN210766710 U CN 210766710U
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Abstract
The utility model discloses an assembled gangue porous concrete sand fixation plate, which comprises a plurality of unit plates, wherein the unit plates are formed into a grid shape by intersecting horizontal strips and vertical strips in a same position; first grooves are formed in the transverse batten plate body at intervals, first embedded reinforcing bars are arranged along the direction of the long side of the transverse batten plate and below the first grooves, first vent holes are reserved along the direction of the short side of the transverse batten plate, and the first vent holes comprise first upper vent holes formed in two sides of a notch of the first groove and first lower vent holes formed in the lower portions of two ends of the first embedded reinforcing bars; the longitudinal batten plate body is provided with second grooves at intervals. The utility model discloses both can fix sand and can consume the solid waste gangue, exploit the utilization mode of gangue and the sand fixation mode in desert simultaneously. Compared with other conventional physical sand fixing methods such as grass square grids and stone square grids, the coal gangue porous concrete sand fixing plate has longer service life and lower cost than the grass square grids.
Description
Technical Field
The utility model relates to a desertification control technique and solid waste's utilization of resources technical field, especially a pin-connected panel gangue porous concrete fixes husky board.
Background
China is one of the countries with serious desertification in the world, and the desert area accounts for about 13.6 percent of the total area of the national soil. The key of the desertification control is wind prevention and sand fixation.
The sand fixing mode can be divided into physical sand fixing, chemical sand fixing and biological sand fixing, wherein the physical sand fixing mainly comprises stone grids, soil grids and the like; the chemical sand fixation mainly adopts high molecular polymers; biological sand fixation is carried out on the planted plants.
The grass grid sand barrier has low cost and simple construction, and is the most common sand stabilization method. Although wheat straw and rice straw used for grass squares are not rotten in desert areas, their life is still short, generally 3 to 5 years.
Compared with grass grid sand barriers, the stone grid sand barriers have good sand fixing effect and long service life. However, a large amount of stones are needed for building the stone grid, the stones are not easily available in desert areas, and due to the rapid development of urbanization in China, natural stone resources are increasingly scarce.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a solid sand board of pin-connected panel gangue porous concrete, solve discarded object gangue recycling, sand barrier life is short, the not ideal, the limited technical problem of natural stone material quantity of solid husky effect.
In order to achieve the above purpose, the utility model adopts the following technical scheme: an assembled coal gangue porous concrete sand fixation plate comprises a plurality of unit plates, wherein the unit plates are formed in a grid shape by intersecting horizontal strips and vertical strips in the same position; first grooves are formed in the transverse batten plate body at intervals, first embedded reinforcing bars are arranged along the direction of the long side of the transverse batten plate and below the first grooves, first vent holes are reserved along the direction of the short side of the transverse batten plate, and the first vent holes comprise first upper vent holes formed in two sides of a notch of the first groove and first lower vent holes formed in the lower portions of two ends of the first embedded reinforcing bars;
second grooves are formed in the longitudinal batten plate body at intervals, and second embedded reinforcing bars are arranged in the longitudinal batten plate body along the long side direction and below the second grooves; a second vent hole is reserved along the direction of the short side of the longitudinal batten and comprises second upper vent holes arranged on two sides of the notch of the second groove and second lower vent holes arranged on the lower parts of two ends of the second embedded reinforcing bar;
the first groove and the second groove are mutually matched; after the horizontal strips and the vertical strips are occluded, the upper surface and the lower surface of the unit plate are flush.
Furthermore, the number of the first grooves is at least two, and the depth of the first grooves is equal to half of the height of the cross bar plate; the second grooves are at least two and have a depth equal to half the height of the longitudinal strips.
Further, the included angle between the horizontal strip plate and the vertical strip plate is 90 degrees.
Further, the concrete density at the first groove is greater than that of the transverse strip plate body; the concrete density of the second groove is greater than that of the longitudinal batten plate body.
Further, the depth of the first groove is equal to that of the second groove; the first groove depth was 50 mm.
Furthermore, the grain diameter of the coal gangue aggregate is 20-50 mm.
Furthermore, the compression strength of the coal gangue porous concrete is 5-20 MPa.
Further, the length of the horizontal strip plate is equal to that of the vertical strip plate; the length of the horizontal strip plate is at least 500 mm; the height of the horizontal strip plate is equal to that of the vertical strip plate; the height of the cross bar plate is at least 100 mm.
Furthermore, the transverse strip plates and the longitudinal strip plates are equal in thickness; the thickness of the transverse strip plate is 5-10 cm.
Further, the aperture of the first vent hole is equal to that of the second vent hole; the first vent hole aperture is: 10-30mm
The beneficial effects of the utility model are embodied in:
1, the utility model provides a pair of pin-connected panel gangue porous concrete fixes sand board not only can fix sand but also can consume the solid waste gangue, exploits the utilization mode of gangue and the sand fixation mode of desert simultaneously, is a good method of changing waste into valuables.
2, the utility model discloses a mode for the physics is fixed sand, compare in other conventional physics fixed sand methods like grass square and stone square, gangue porous concrete fixes sand board life-span is longer than grass square, and the cost is less than the stone square.
And 3, the transverse laths and the longitudinal laths are flexibly combined, so that the floor board can meet different ground requirements. After being spliced, the sand-fixing net can be well attached to the ground, and a good sand-fixing effect is achieved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The primary objects and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of a horizontal slat structure.
Fig. 2 is a schematic view of the position of the first vent hole.
Fig. 3 is a schematic structural view of the unit plate.
Fig. 4 is a use state diagram.
FIG. 5 is a schematic view of example 4.
Reference numerals: 1-transverse strip plate, 2-first groove, 3-first embedded reinforcement, 4-longitudinal strip plate, 5-first upper vent hole, 6-first lower vent hole, 7-second upper vent hole, 8-second lower vent hole and 9-second groove.
Detailed Description
The technical solutions of the present invention are described in detail below by way of examples, which are only exemplary and can be used only for explaining and explaining the technical solutions of the present invention, but not for explaining the limitations of the technical solutions of the present invention.
Example 1
As shown in figure 1, the utility model provides an assembled gangue porous concrete sand fixing plate, which is made of locally compact gangue porous concrete. The sand fixing plate comprises a plurality of unit plates, and the unit plates are formed into a grid shape by intersecting the transverse strip plates 1 and the longitudinal strip plates 4 in a coordinated manner; the interval is provided with first recess 2 on the body of horizontal bar board 1, is provided with first pre-buried arrangement of reinforcement 3 along 1 long limit direction of horizontal bar board, the below of first recess 2, still reserves along 1 minor face direction of horizontal bar board has first ventilation hole, and first ventilation hole is including setting up at the first upper portion ventilation hole 5 of 2 notch both sides of first recess and setting up at the first lower portion ventilation hole 6 of the first 3 both ends head lower parts of pre-buried arrangement of reinforcement.
As shown in fig. 3, the angle between the horizontal slats 1 and the vertical slats 4 is 90 °. The horizontal strips 1 and the vertical strips 4 are equal in length; the length of the horizontal strip plate 1 is at least 500 mm; the height of the horizontal strip plate 1 is equal to that of the vertical strip plate 4; the height of the cross bar 1 is at least 100 mm. The thickness of the horizontal strip plate 1 is equal to that of the vertical strip plate 4; the thickness of the horizontal strip plate 1 is 5-10 cm. The aperture of the first vent hole is equal to that of the second vent hole; the first vent hole aperture is: 10-30 mm.
The concrete density at the first groove 2 is greater than the plate body density of the cross plate 1; the concrete density at the second groove 9 is greater than the plate body density of the longitudinal plate 4.
The sand fixing plate is made of coal gangue porous concrete; the coal gangue porous concrete comprises the following raw materials in parts by weight: 140 parts of ordinary portland cement, 1 part of water reducing agent, 1 part of thickening and water retaining agent, 600 parts of coal gangue aggregate and 30-40 parts of water. The grain diameter of the coal gangue aggregate is 20-50 mm. The coal gangue aggregate is clay rock or sandstone gangue; the chemical component of the material is SiO2：40%~70%，Al2O3：10%-30%，Fe2O3: less than or equal to 6 percent, CaO: less than or equal to 10 percent, MgO: less than or equal to 2 percent. The compression strength of the coal gangue porous concrete is 5-20MPa, and the porosity is 8-15%.
The preparation method of the assembled coal gangue porous concrete sand fixation plate comprises the following specific steps:
crushing the coal gangue by a crusher;
screening the coal gangue particles crushed in the step one, wherein the coal gangue particles with the particle size of 20-50mm are used as the aggregate of the porous concrete;
step three, preparing a mould of the coal gangue porous concrete sand-fixing plate;
step four, preparing the gangue porous concrete, adding ordinary portland cement into a stirrer, then adding gangue aggregate, a water reducing agent and a thickening and water-retaining agent, preliminarily mixing, and then adding water for uniformly mixing;
step five, manufacturing a horizontal bar plate 1;
and D, paving the gangue porous concrete in the mould in a layered mode, when the gangue porous concrete is paved to half height, putting a first embedded reinforcing bar 3 in the area below the first groove 2, inserting a light-entering round steel bar to manufacture a first lower vent 6 and a first upper vent 5, and continuously paving the gangue porous concrete.
Adopt the vibrator, carry out the vibration compaction to gangue porous concrete from the top, porous concrete can divide into two regional general regions and closely knit region, closely knit region is located around the recess, and other then are general region, promptly: the loose coefficient of the first groove 2 is 1.2-1.3; the loose coefficient between the two ends of the cross bar plate 1 and the two first grooves 2 is 1.1-1.2. The length of the compact area is 100mm, and the height of the compact area is the same as that of the horizontal batten 1. The coal gangue aggregate is paved by at least 5 to 10 percent in a dense area. The solid sand board of gangue porous concrete pin-connected panel is equipped with the benefit in corner ventilation hole in closely knit region and lies in: the sand accumulation at the corners of the squares is reduced.
Sixthly, making a longitudinal strip plate 4 according to the step five; after the horizontal strip plate 1 is occluded with the vertical strip plate 4, the upper surface and the lower surface of the unit plate are flush;
and seventhly, removing the mold, and carrying out water spraying and maintenance on the coal gangue porous concrete sand fixation plate for 7 days.
The pre-buried reinforcing bars can be made of bamboo bars, wood bars or prefabricated fiber cement battens.
Example 2
As shown in FIG. 4, the western region of inner Mongolia of China has abundant coal mine resources, a large amount of coal gangue is accumulated after years of mining, and the desertification of the region is serious. The coal gangue adopted by the utility model is solid waste discharged in the coal mining process and the coal washing process, and is a black grey rock which has lower carbon content and is harder than coal and is associated with a coal bed in the coal forming process. At present, the utilization rate of coal gangue in China is low, a large amount of coal gangue is stacked in the open air, a large amount of land is occupied, and the coal gangue is stacked together, so that heat cannot be dissipated to cause nature. In order to fully utilize the waste coal gangue in coal mining, the utility model provides an assembled coal gangue porous concrete sand fixation plate, which comprises a plurality of unit plates, wherein the unit plates are intersected into a grid shape by transverse strip plates 1 and longitudinal strip plates 4 in a same position; the transverse laths 1 are provided with first grooves 2 at intervals, the longitudinal laths 4 are provided with second grooves 9 at intervals, and the first grooves 2 and the second grooves 9 are matched with each other; after the horizontal strips 1 are meshed with the vertical strips 4, the upper surface and the lower surface of the unit plate are flush. In desert areas, the sand-fixing plates are assembled into a zigzag shape according to a figure 4, and two adjacent zigzag shapes are connected at a certain interval by the sand-fixing plates with four first grooves 2. And finally, paving the sand above the desert to form a # -shaped grid.
As shown in fig. 1 and 2, the first grooves 2 are at least two and have a depth equal to half of the height of the cross bar plate 1, the width of the first grooves 2 is 25mm, and the depth is 50 mm; the second grooves 9 are at least two and have a depth equal to half the height of the longitudinal strips 4. The angle between the horizontal strip 1 and the vertical strip 4 is 90 deg..
Wherein the sand fixing plate is made of coal gangue porous concrete; the coal gangue porous concrete comprises the following raw materials in parts by weight: ordinary Portland cement 240 kg/m32.4kg/m of water reducing agent32.4kg/m thickening and water retaining agent31200 kg/m of coal gangue aggregate3And water 80 kg/m3. The grain diameter of the coal gangue aggregate is 20-50 mm.
The coal gangue aggregate is clay rock or sandstone gangue; the chemical component of the material is SiO2：61%，Al2O3：14%，Fe2O3：2.9%，CaO：1.5%，MgO：1.3%。
The weight proportion of the coal gangue porous concrete is as follows:
table 1: weight mixing ratio
| Serial number | Cement | Water reducing agent | Thickening water-retaining agent | Coal gangue aggregate | Water (W) |
| 1 | 120 | 1 | 1 | 450 | 30 |
| 2 | 130 | 1 | 1 | 550 | 35 |
| 3 | 140 | 1 | 1 | 600 | 40 |
The compression strength of the coal gangue porous concrete is as follows:
table 2: test for compressive Strength
| Serial number | General area strength/MPa | Dense area strength/MPa |
| 1 | 10.3 | 14.5 |
| 2 | 7.8 | 12.1 |
| 3 | 7.1 | 11.5 |
The preparation method of the assembled coal gangue porous concrete sand fixation plate comprises the following specific steps:
step one, crushing the coal gangue by adopting a crusher.
Screening the coal gangue particles crushed in the step one, wherein the coal gangue particles with the particle size of 20-50mm are used as the aggregate of the porous concrete;
step three, preparing a mould of the coal gangue porous concrete horizontal slat 1 or the coal gangue porous concrete longitudinal slat 4; the height of the horizontal strips 1 or the vertical strips 4 is 20cm, the thickness is 5cm, the distance between every two adjacent first grooves 2 is 1m, and two grooves are arranged on each horizontal strip 1 or the vertical strip 4.
Step four, preparing the gangue porous concrete, adding ordinary portland cement into a stirrer, then adding gangue aggregate, a water reducing agent and a thickening and water-retaining agent, preliminarily mixing, and then adding water for uniformly mixing;
step five, paving the gangue porous concrete in the step four into a mold, when the gangue porous concrete is paved to half height, putting a first embedded reinforcing bar 3 in the area below the first groove 2, inserting a plain steel bar to manufacture a first lower vent 6 and a first upper vent 5, and continuously paving the gangue porous concrete;
adopting a vibrator to vibrate and compact the coal gangue porous concrete from the upper part; wherein the loose coefficient of the first groove 2 is 1.3; the loose coefficient between two ends of the transverse strip plate 1 and two first grooves 2 is 1.2;
sixthly, making a longitudinal strip plate 4 according to the step five; after the horizontal strip plate 1 is occluded with the vertical strip plate 4, the upper surface and the lower surface of the unit plate are flush;
and seventhly, removing the mold, and carrying out water spraying and maintenance on the coal gangue porous concrete sand fixation plate for 7 days. The test shows that the 28-day compressive strength of the coal gangue porous concrete is 12MPa, and the porosity is 15%.
Embodiment 4, as shown in fig. 5, a split mounting type coal gangue porous concrete sand fixing plate is similar to embodiment 1, except that three first grooves 2 are arranged on the body of the horizontal slat 1 at intervals, and three second grooves 9 are arranged on the body of the vertical slat 4 at intervals.
The utility model provides a horizontal slat 1 or indulge slat 4 for having the rectangular shape of 2-4 recesses, many horizontal slats 1 or indulge slat 4 splice into the groined type through the recess. It has no special requirements for the chemical components of the adopted coal gangue. The method is not only beneficial to resource utilization of coal mining waste gangue, but also beneficial to desertification control. The coal gangue porous concrete sand fixation plate has longer service life than a grass grid sand fixation method, and the cost is lower than a stone grid sand fixation method.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be considered by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention.
Claims (8)
1. The utility model provides a solid sand board of pin-connected panel gangue porous concrete which characterized in that: the sand fixation plate comprises a plurality of unit plates, and the unit plates are formed into a grid shape by intersecting the horizontal plates (1) and the vertical plates (4) in a coordinated manner; first grooves (2) are arranged on the body of the cross slab (1) at intervals, first embedded reinforcing bars (3) are arranged below the first grooves (2) along the long side direction of the cross slab (1), first vent holes are reserved along the short side direction of the cross slab (1), and each first vent hole comprises a first upper vent hole (5) arranged on two sides of a notch of each first groove (2) and a first lower vent hole (6) arranged on the lower portion of two ends of each first embedded reinforcing bar (3);
second grooves (9) are formed in the body of the longitudinal strip plate (4) at intervals, and second embedded reinforcing bars are arranged below the second grooves (9) along the long side direction of the longitudinal strip plate (4); a second vent hole is reserved along the short side direction of the longitudinal strip plate (4), and comprises second upper vent holes (7) arranged at two sides of the notch of the second groove (9) and second lower vent holes (8) arranged at the lower parts of two ends of the second embedded reinforcement;
the first groove (2) and the second groove (9) are mutually matched; after the horizontal strip plate (1) is meshed with the vertical strip plate (4), the upper surface and the lower surface of the unit plate are flush.
2. The assembled coal gangue porous concrete sand-fixing plate as claimed in claim 1, wherein the first grooves (2) are at least two and have a depth equal to half of the height of the cross bar plate (1); the second grooves (9) are at least two and have a depth equal to half the height of the longitudinal strips (4).
3. The assembled coal gangue porous concrete sand fixation plate as claimed in claim 1, wherein the sand fixation plate is made of coal gangue porous concrete.
4. The assembled coal gangue porous concrete sand-fixing plate as claimed in claim 3, wherein the particle size of the coal gangue aggregate is 20-50 mm.
5. The assembled coal gangue porous concrete sand-fixing plate as claimed in claim 3, wherein the compression strength of the coal gangue porous concrete is 5-20 MPa.
6. The assembled coal gangue porous concrete sand fixation plate as claimed in claim 3, wherein the horizontal laths (1) and the vertical laths (4) have the same length; the length of the horizontal strip plate (1) is at least 500 mm; the height of the horizontal strip plate (1) is equal to that of the vertical strip plate (4); the height of the cross bar plate (1) is at least 100 mm.
7. The assembled coal gangue porous concrete sand fixation plate as claimed in claim 1, wherein the thickness of the horizontal lath (1) is equal to that of the vertical lath (4); the thickness of the horizontal strip plate (1) is 5-10 cm.
8. The assembled coal gangue porous concrete sand fixation plate as claimed in claim 1, wherein the first vent hole and the second vent hole have the same aperture; the first vent hole aperture is: 10-30 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201921289053.4U CN210766710U (en) | 2019-08-09 | 2019-08-09 | Split mounting type coal gangue porous concrete sand fixation plate |
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| CN201921289053.4U CN210766710U (en) | 2019-08-09 | 2019-08-09 | Split mounting type coal gangue porous concrete sand fixation plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110438970A (en) * | 2019-08-09 | 2019-11-12 | 中国建筑股份有限公司 | A kind of pin-connected panel gangue celluar concrete fixes the sand plate and preparation method thereof |
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2019
- 2019-08-09 CN CN201921289053.4U patent/CN210766710U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110438970A (en) * | 2019-08-09 | 2019-11-12 | 中国建筑股份有限公司 | A kind of pin-connected panel gangue celluar concrete fixes the sand plate and preparation method thereof |
| CN110438970B (en) * | 2019-08-09 | 2024-04-09 | 中国建筑股份有限公司 | Assembled gangue porous concrete sand fixation plate and preparation method thereof |
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