CN217354479U - Module is assembled in prefabrication of mine water gate wall - Google Patents
Module is assembled in prefabrication of mine water gate wall Download PDFInfo
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- CN217354479U CN217354479U CN202221404963.4U CN202221404963U CN217354479U CN 217354479 U CN217354479 U CN 217354479U CN 202221404963 U CN202221404963 U CN 202221404963U CN 217354479 U CN217354479 U CN 217354479U
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- prefabrication
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- water gate
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- 238000009417 prefabrication Methods 0.000 title claims abstract description 20
- 238000001363 water suppression through gradient tailored excitation Methods 0.000 title claims abstract description 19
- 238000010146 3D printing Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000007639 printing Methods 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 20
- 238000005516 engineering process Methods 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000004590 computer program Methods 0.000 abstract description 3
- 239000000428 dust Substances 0.000 abstract description 3
- 238000010017 direct printing Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 239000000654 additive Substances 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000003487 anti-permeability effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The utility model discloses a module is assembled in prefabrication of mine water gate wall, assemble the module main part including prefabrication, prefabrication is assembled module main part upper surface and is seted up flutedly, and the lower surface is equipped with the lug. Has the advantages that: through BIM management system, with the help of concrete 3D printer direct printing, can carry out the individualized customization of architectural modeling, structure and function according to the user's demand, and 3D prints and to shorten 70% -80% than traditional prefabrication technology for the required time, and the overall process is controlled by the computer program, and the printing error is as low as 3 ~ 8mm, and the precision is high. The 3D printing technology is adopted to directly print and form, a template and matched materials are not needed at all, so that construction waste on a construction site is greatly reduced, no silt, masonry and dust exist on the site, and construction noise pollution is greatly improved. Meanwhile, the labor cost is reduced, and the labor day is reduced by 60-80% compared with that of the traditional mode. And the mechanical construction replaces the manual construction, so that the personal safety risk is reduced.
Description
Technical Field
The utility model relates to a colliery is water floodgate wall in pit builds technical field, especially relates to a module is assembled in prefabrication of mine water floodgate wall.
Background
The waste mine pumped storage power station needs a water filling space as an underground reservoir, needs a certain unfilled space as production activities such as power generation, drainage and the like, and the water lock wall is a safe structure for isolating the water filling space from the unfilled space. Different from the traditional sluice wall used for preventing and controlling water damage, the sluice wall used for the pumped storage underground reservoir needs to bear the cyclic tensile load and the dynamic long-term damage effect in the pumping and waterproofing process, needs to be re-planned, tested in advance and constructed quickly according to engineering requirements, but the current concrete pouring sluice wall construction method widely adopted in the underground coal mine is difficult to meet the requirements.
Firstly, the water gate wall for water pumping and energy storage of the abandoned mine is influenced by long-term water pumping and discharging and circulating dynamic load, so that the risk of water damage is higher, the traditional working method has more projects and large construction amount, the underground construction condition is poor due to more details of the wall structure, the project construction difficulty is increased, and once a water inrush accident occurs, time is hard to be won for emergency rescue and relief; secondly, due to the irregularity of the underground roadway, various building blocks for building a wall are mostly special-shaped concrete building blocks, the common template pouring method is difficult to meet the requirements of the structure optimization design of the special-shaped building blocks on flexibility and freedom continuity, the concrete blocks formed by pouring are usually discontinuous, so that a seam is generated between new concrete and old concrete, and the internal and external heat dissipation is uneven, so that a condensation shrinkage seam is generated to reduce the strength of the concrete block, and the hidden danger of engineering quality is brought; moreover, because the sluice wall is huge in size and is difficult to change in a short time once being built, the prior art lacks the construction and simulation of a visual BIM model of the sluice wall, and the design scheme cannot be known in time. Therefore, it is urgently needed to design an assembly type mine water gate wall prefabricated assembly module based on 3D printing.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems existing in the prior art and providing a module is assembled in prefabrication of mine water lock wall.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a module is assembled in prefabrication of mine water gate wall, includes prefabricated module main part of assembling, prefabricated module main part upper surface of assembling is seted up flutedly, prefabricated module main part lower surface of assembling is equipped with the lug, and lug and recess shape phase-match, prefabricated module main part of assembling adopts 3D printing technique direct forming, a plurality of arc bolt mounting holes have been seted up to one side of prefabricated module main part of assembling, a plurality of stock mounting holes have been seted up to the opposite side of prefabricated module main part of assembling.
In the prefabricated assembly module for the mine water gate wall, the width difference between the groove and the bump is 40mm, and the height difference between the groove and the bump is 20 mm.
In the prefabricated module of assembling of pit water-gate wall, a plurality of arc bolt mounting holes and a plurality of stock mounting holes are all seted up on the central line of recess both sides wall, and the quantity of arc bolt mounting holes and stock mounting hole is three.
In the prefabricated module of assembling of pit water-gate wall, the stock is fixed mounting in the stock mounting hole, and the length of stock is 5 m.
In the prefabricated assembly module for the mine water gate wall, the prefabricated assembly module main body is formed by printing concrete materials, and the strength grade of the concrete is not lower than C30.
Compared with the prior art, the utility model discloses the advantage lies in:
1: the shape is printed in a flexible way, and the building model, the structure and the function can be customized according to the requirements of users by virtue of the BIM management system and direct printing of a concrete 3D printer.
2: the required time of 3D printing is shortened by 70% -80% compared with the traditional prefabrication process, the whole process is controlled by a computer program, the printing error is as low as 3-8 mm, and the precision is high.
3: the 3D printing technology is adopted to directly print and form, a template and matched materials are not needed at all, so that construction waste on a construction site is greatly reduced, no silt, masonry and dust exist on the site, and construction noise pollution is greatly improved. Meanwhile, the labor cost is reduced, and the labor day is reduced by 60-80% compared with that of the traditional mode. And the mechanical construction replaces the manual construction, so that the personal safety risk is reduced.
To sum up, the utility model discloses a BIM management system adopts the concrete 3D printer directly to print, can carry out the individualized customization of architectural modeling, structure and function according to user's demand, and 3D prints and shortens 70% ~ 80% than traditional prefabricated technology when required, and the overall process is controlled by the computer program, and the printing error is low to 3 ~ 8mm, and the precision is high. The 3D printing technology is adopted to directly print and form, a template and matched materials are not needed at all, so that construction waste on a construction site is greatly reduced, no silt, masonry and dust exist on the site, and construction noise pollution is greatly improved. Meanwhile, the labor cost is reduced, and the labor day is reduced by 60-80% compared with that of the traditional mode. And the mechanical construction replaces the manual construction, so that the personal safety risk is reduced.
Drawings
Fig. 1 is a schematic structural view of a mine water gate wall prefabricated assembly module provided by the utility model;
FIG. 2 is a schematic structural view of one of the prefabricated assembly module bodies shown in FIG. 1 after being deflected to the right by a certain angle;
fig. 3 is a schematic structural diagram of fig. 2 after being deflected to the left by a certain angle.
In the figure: the prefabricated module body of assembling of 1, 2 recesses, 3 lugs, 4 arc bolt mounting holes, 5 stock mounting holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, a prefabricated module of assembling of mine water gate wall, includes prefabricated module main part 1 of assembling, and prefabricated module main part 1 upper surface of assembling is seted up flutedly 2, and prefabricated module main part 1 lower surface of assembling is equipped with lug 3, and lug 3 and recess 2 shape phase-match.
The above is noteworthy:
through the cooperation of lug 3 and recess 2, be convenient for carry on the joint between the adjacent prefabrication assembly module main part 1 from top to bottom, the difference in width of recess 2 and lug 3 is 40mm, and the difference in height of recess 2 and lug 3 is 20mm, and the benefit of size design here lies in, is convenient for carry on the joint between lug 3 and the recess 2.
A plurality of arc bolt mounting holes 4 have been seted up to one side of module main part 1 is assembled in prefabrication, and a plurality of stock mounting holes 5 have been seted up to the opposite side of module main part 1 is assembled in prefabrication. A plurality of arc bolt mounting holes 4 and a plurality of stock mounting hole 5 are all seted up on the central line of 2 both sides walls of recess, and the quantity of arc bolt mounting hole 4 and stock mounting hole 5 is three.
After each layer of prefabricated assembly module main bodies 1 are installed in place, when the adjacent prefabricated assembly module main bodies 1 are butted, a plurality of arc-shaped bolt installation holes 4 on the prefabricated assembly module main bodies are butted firstly, and then the corresponding arc-shaped bolts can be used for finishing the fixed connection between the adjacent prefabricated assembly module main bodies 1.
The side wall portion of the prefabricated module main body 1 is embedded into surrounding rocks of the side wall of the roadway through anchor rods, one end of each anchor rod is connected with the 3D printing concrete module, and the other end of each anchor rod is fixedly connected with the surrounding rocks of the roadway. An anchor rod is fixedly arranged in the anchor rod mounting hole 5, the length of the anchor rod is 5m, and the surrounding rock-wall body combined structure is reinforced in an anchor rod grouting mode.
The joint operation between the prefabricated assembly module main bodies 1 adopts a hydraulic pressure compression joint mode of a rubber sealing gasket, and the waterproof and anti-permeability performance of the water gate wall structure is guaranteed.
After the integral structure of the mine water gate wall is assembled, grouting is carried out on the gap between the foundation structure and the surrounding rock through a grouting pipe, grouting is carried out on the wall back repeatedly, the number of times of grouting is not less than 3, and the final grouting pressure is 1.5 times greater than the designed water pressure.
And after the assembly and the forming, painting and decorating the exposed outer surfaces of the foundation structure and the assembly modules and completing related test tests. The test indexes include: pressure resistance test, sealing leakage test, monitoring system debugging, wall structure stress test and the like, and can be put into normal production and use after the test is qualified.
The prefabricated module main part 1 of assembling adopts 3D printing technique direct forming, and prefabricated module main part 1 of assembling adopts the concrete material to print and forms, and concrete strength grade is not less than C30.
The calculation formula of the material usage in the 3D printing concrete mix proportion design is as follows:
the volume ratio of the cementing material to the aggregate in each cubic meter of 3D printing concrete is as follows:
the mass of water used in each cubic meter of concrete is determined according to the mass of the cementing material in each cubic meter of concrete and the water-to-gel ratio:
m w ＝m b ·(m w /m b ) (2)
the mixing amount of the mineral admixture in each cubic meter of concrete is as follows:
m f ＝m b β f (3)
m c ＝m b -m f (4)
the type of the concrete mixture additive is printed according to 3D, and the dosage is determined according to the test:
m a ＝m b ·α (5)
the 3D printing concrete comprises the following components in percentage by weight:
m w +m b +m s +m a ＝m cp (6)
in the formulae (1), (2), (3), (4), (5) and (6),
V b /V s -the volume ratio of cementitious material to aggregate;
m b -amount of cementitious material (kg) per cubic meter of 3D printed concrete;
m s -the amount of aggregate (kg) in the 3D printed concrete per cubic meter;
m w -mass of water (kg) per cubic meter of 3D printed concrete;
m f -the amount of mineral admixture (kg) per cubic meter of 3D printed concrete;
m c -cement usage (kg) in per cubic meter of 3D printed concrete;
m a -mass (kg) of additive per cubic meter of 3D printed concrete;
m cp -3D-printing a hypothetical mass (kg) of concrete mix per cubic meter;
m w /m b -3D printing the water-to-glue ratio of the concrete;
ρ b the apparent density of the gelled material (kg/m) 3 )；
ρ s Apparent density of aggregate (kg/m) 3 )；
β f -mineral admixture loading (%);
alpha-the additive accounts for the total amount of the cementing material in each cubic meter of 3D printing concrete.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a module is assembled in prefabrication of mine water gate wall, includes that prefabrication is assembled module main part (1), its characterized in that, prefabrication is assembled module main part (1) upper surface and is seted up recess (2), prefabrication is assembled module main part (1) lower surface and is equipped with lug (3), and lug (3) and recess (2) shape phase-match, prefabrication is assembled module main part (1) and is adopted 3D printing technique direct forming, prefabrication is assembled one side of module main part (1) and has been seted up a plurality of arc bolt mounting holes (4), a plurality of stock mounting holes (5) have been seted up to the opposite side of prefabrication is assembled module main part (1).
2. The mine water gate wall prefabricated assembly module according to claim 1, wherein the width difference between the groove (2) and the bump (3) is 40mm, and the height difference between the groove (2) and the bump (3) is 20 mm.
3. The mine water gate wall prefabricated assembly module according to claim 1, wherein a plurality of the arc-shaped bolt mounting holes (4) and a plurality of the anchor rod mounting holes (5) are formed in the center lines of the two side walls of the groove (2), and the number of the arc-shaped bolt mounting holes (4) and the number of the anchor rod mounting holes (5) are three.
4. The mine water gate wall prefabricated assembly module as claimed in claim 1, wherein an anchor rod is fixedly installed in the anchor rod installation hole (5), and the length of the anchor rod is 5 m.
5. The mine water gate wall prefabricated assembly module as claimed in claim 1, wherein the prefabricated assembly module main body (1) is formed by printing concrete materials, and the strength grade of the concrete is not lower than C30.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221404963.4U CN217354479U (en) | 2022-06-06 | 2022-06-06 | Module is assembled in prefabrication of mine water gate wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221404963.4U CN217354479U (en) | 2022-06-06 | 2022-06-06 | Module is assembled in prefabrication of mine water gate wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217354479U true CN217354479U (en) | 2022-09-02 |
Family
ID=83017718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221404963.4U Expired - Fee Related CN217354479U (en) | 2022-06-06 | 2022-06-06 | Module is assembled in prefabrication of mine water gate wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217354479U (en) |
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2022
- 2022-06-06 CN CN202221404963.4U patent/CN217354479U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220902 |
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| CF01 | Termination of patent right due to non-payment of annual fee |