CN107178197A - Industrial premises mattess structure - Google Patents
Industrial premises mattess structure Download PDFInfo
- Publication number
- CN107178197A CN107178197A CN201710557224.6A CN201710557224A CN107178197A CN 107178197 A CN107178197 A CN 107178197A CN 201710557224 A CN201710557224 A CN 201710557224A CN 107178197 A CN107178197 A CN 107178197A
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- China
- Prior art keywords
- expansion joint
- force transmitting
- transmitting board
- ground
- mattess
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/12—Flooring or floor layers made of masses in situ, e.g. seamless magnesite floors, terrazzo gypsum floors
- E04F15/14—Construction of joints, e.g. dividing strips
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a kind of industrial premises mattess structure, ground floor including underlying ground layer and the concrete structure being arranged on ground layer, expansion joint is provided with ground floor, expansion joint force transferring structure is provided with expansion joint, it is characterized in that, expansion joint includes the transverse expansion joint laterally set and longitudinally disposed longitudinal expansion joint, ground floor is divided into independent some rectangular blocks by the transverse expansion joint and longitudinal expansion joint, and some expansion joint force transferring structures are each provided between transverse expansion joint and longitudinal expansion joint.While the present invention can not influence ground surface expansion joint function, it is possible to increase the load power transmission effect of expansion joint both sides ground, improve to ground protecting effect.
Description
Technical field
The present invention relates to building ground technical field of structures；More particularly to a kind of industrial premises mattess structure.
Background technology
Modern industry factory building requires more and more higher to flatness, the crack resistance of Ground, and especially large area is held
Heavy industry facility floor, due to being frequently necessary to the load-bearing that is open to traffic, therefore the concrete ground for typically using concrete cement to pour.But factory building
Face is general wider larger, and cement flooring area it is larger after would generally cause Ground Ruptures due to the dilatation of itself, therefore one
As usually require concrete ground distributor every in fritter, form expansion joint between adjacent isles.
But the presence at expansion joint destroys the globality on road surface.To ensure the Load-transfer Capacity of seam, load-bearing concrete
Horizontal loading is delivered to another block of plate, so as to improve isolation by face by setting load transfer device at expansion joint from plot face
The supporting situation of tape edge edge, prevent the appearance of faulting of slab ends.
Existing ground load transfer device, usually using dowel bar structure, i.e., concrete surface expansion joint side vertically fix
Transmission rod is set, and transmission rod is typically obtained using round steel, the transmission rod other end is slidably fit into expansion joint opposite side side
On hole in, transmission rod is arranged as multiple along expansion joint length direction uniform intervals.So, can either by transmission rod
Ensure the Telescopic at expansion joint, horizontal loading can be transmitted again to protect expansion joint.In cement concrete pavement engineering, state
Outer various Seam failure prediction models show whether abutment joint fragmentation influence is maximum for the setting of transmission rod, sets after transmission rod, road
Face total cost increases 5%-8%, but the seam life-span can double the above, it is seen that the setting of transmission rod has aobvious to improving the seam life-span
Write effect.
But the industrial premises mattess structure obtained using power transmission lever apparatus, however it remains following defect：Generally pass
Power bar is the unilateral setting of ahead running line direction.The general width of large-area concrete ground is big, can deposit isolation in the two directions
Seam.Concrete floor is when affected by environment flexible, if only unidirectionally setting transmission rod, it is impossible to meet freely stretching for other direction
Contracting；If in two-way setting transmission rod, in the two-way transmission rod of plate edge by the flexible of restriction plate, producing larger stress,
And then crack is produced, or because the load that plate is born is different, plate is different from the frictional resistance of basic unit, and local environment is not
Together, and other restraining forces influence, telescopic direction between adjacent plate may be caused different, after transmission rod confined shrinkage, together
Sample can produce larger stress, and then produce crack.
The installation quality of other transmission rod requires high, and it can be seen from the function of transmission rod, every transmission rod must be vertical
It is parallel with horizontal direction with telescopic direction.If there is not parallel situation, flexible resistance can be increased, limitation is stretched when serious
Contracting, crack is produced when stress is excessive in plate in other weakness.Cement concrete pavement construction width is certain, can framing construction,
Single construction transverse joint is short, and has setting transmission rod at special transmission rod support, non-construction joint to have special device in paver,
Transmission rod direction and quality are easily controllable.In large-area concrete ground construction, single construction concrete floor area is big, stretches
Contracting seam length, transmission rod quantity is more, in installation process, in concreting process, in process of vibrating, is likely to make transmission rod
Displacement, either vertical or horizontal shift can all produce flexible resistance, more than transmission rod quantity accumulative flexible resistance will be caused big,
And then it is extremely difficult to ideal effect.
Found after analyzing above mentioned problem how to release vertical between the constraint of load transfer device horizontal bidirectional, limitation adjacent plate
Relative displacement, it is the main points solved the problems, such as to simplify transmission rod quality control.
The content of the invention
For above-mentioned the deficiencies in the prior art, the technical problems to be solved by the invention are：How to provide one kind can not
Influence ground surface expansion joint function, while expansion joint both sides ground load power transmission effect can be improved, is improved to ground protecting effect
Industrial premises mattess structure.
In order to solve the above-mentioned technical problem, present invention employs following technical scheme：
A kind of industrial premises mattess structure, including underlying ground layer and the concrete knot being arranged on ground layer
It is provided with the ground floor of structure, ground floor at expansion joint, expansion joint and is provided with expansion joint force transferring structure, it is characterised in that is flexible
Seam includes the transverse expansion joint and longitudinally disposed longitudinal expansion joint of laterally setting, and the transverse expansion joint and longitudinal expansion joint will
Ground floor is divided into independent some rectangular blocks, and some expansion joints are each provided between transverse expansion joint and longitudinal expansion joint
Force transferring structure.
So, it is provided with horizontal and vertical expansion joint on ground floor, and is all provided with the expansion joint in two vertical direction
Force transferring structure has been put, therefore ground freely stretching in orthogonal both direction and load and biography can be met simultaneously
Power, preferably protects ground.
As optimization, the expansion joint force transferring structure includes horizontally disposed force transmitting board, and force transmitting board one end is to be fixedly installed
Fixing end on the wall of expansion joint side side, the force transmitting board other end is the power transmission for being slidably fit into expansion joint opposite side side wall
Plate cracks interior free end.
So, left positioned at the both sides and front of force transmitting board free end in force transmitting board cracks flexible or sliding for force transmitting board
Dynamic clearance space.So when ground floor telescopic variation in the horizontal direction, force transmitting board free end can crack interior in force transmitting board
Slide, do not interfere with the realization of flexible joint function.Force transmitting board can preferably play the effect of load and power transmission simultaneously, improve ground
Protect in face.And force transmitting board free end slidably can meet ground load requirement in front and rear and left and right directions
While release the constraint of orthogonal both direction（In dowel bar structure, if by with transmission rod free end coordinate insert
Hole horizontal direction is widened to release the constraint of transmission rod left and right directions, then can be linear contact lay, ground due to transmission rod upper end and hole wall
Face can not load-bearing well, and then jack can be caused to be crushed）, the Force transmission partses of ground floor rectangular block corner are overcome by double
The defect of stress concentration and ground deformation is easily caused to constraint, raising land protection and Force transmission partses protection is preferably improved
Double effectses, improve the stability and service life of force transferring structure.
As optimization, the board-like expansion joint force transferring structure of above-mentioned power transmission is arranged at rectangular block ground floor edge close to corner
Position, rectangular block ground floor marginal center position sets the expansion joint force transferring structure of traditional power transmission rod-type.So, it is because ground
Surface layer edge corner location is easily influenceed by dilatation on two vertical edge different directions, therefore use can be at two
The force transmitting board structure of contiguity constraint in vertical direction, with preferably power transmission load and avoid deformation.And in ground floor marginal center
Position, generally only being deformed by one direction is influenceed, therefore medium position is set to the expansion joint force transferring structure of power transmission rod-type, you can
Preferably load and deformation is prevented, and save setup cost.
As optimization, the force transmitting board is rectangular slab, and one end of rectangular slab angle is just to fixed to expansion joint side side wall
On fixing end, another relative end angle of rectangular slab is coordinates interior free end of being cracked in force transmitting board.
So, when the free end of force transmitting board occurs along the displacement of expansion joint length direction, force transmitting board can be caused
Clearance space outside the both sides of free end can rely on narrower spacing distance there is provided longer along the removable of expansion joint length direction
Dynamic distance, therefore clearance space can be reduced well, it is to avoid excessive be easily caused of clearance space is crushed, and improves to land protection
Effect.Meanwhile, on the other hand using this structure so that position is exactly the larger position of width between rectangular slab is in expansion joint
Put, also preferably to avoid the deformation at expansion joint edge, can play more preferable protective effect by load.
As optimization, two ends angle that force transmitting board is between free end and fixing end is located in the middle part of correspondence expansion joint.
So so that rectangular slab is in expansion joint medium position and is exactly the maximum position of width, preferably improves load
Effect.
As optimization, force transmitting board is square.So, its both sides can be made to deform stress more equalization stable.
As optimization, transverse expansion joint and longitudinal expansion joint intersection are additionally provided with reinforcing plate, reinforcing plate it is horizontally disposed and
With four connection ends, four connection ends are embedded four ground in transverse expansion joint and longitudinal expansion joint intersection respectively
In layer rectangular block, any of which connection end is the fixing end being fixed in accordingly surface layer rectangular block, and the other three connection end is
Slideably it is plugged in mounting groove and in the horizontal direction without spacing free end.
So, because ground floor rectangular block corner location can be direct by front and rear and left and right both direction extrusion stress,
And corner self-strength is relatively low, therefore easily it is subject to crushing first herein.Therefore rely on reinforcing plate can ground-to-ground surface layer rectangle very well
Block corner carries out reinforcement.The mounting connection structure of reinforcing plate, makes it while support load effect is strengthened, to four simultaneously
Individual ground floor rectangular block horizontal plane either direction dilatation all without cause constraint；It ensure that the work(at expansion joint itself
Can, preferably improve to ground protecting effect.
As optimization, the reinforcing plate is square plate, and reinforcing plate and four overlapping parts of ground floor rectangular block are
Four small squares of formed objects.
So, the best middle part of reinforcing plate intensity is in transverse expansion joint and longitudinal expansion joint intersection center position, energy
Enough play best support load effect, and four angular deformation stress more equalization stable.
During implementation, force transmitting board and reinforcing plate are steel plate structure, to better ensure that intensity.
In summary, while the present invention can not influence ground surface expansion joint function, it is possible to increase the ground of expansion joint both sides
Load power transmission effect, is improved to ground protecting effect.
Brief description of the drawings
Fig. 1 is floor map of the invention.
Fig. 2 is the schematic diagram at independent one after the amplification of power transmission Board position in Fig. 1.
Fig. 3 is Fig. 2 sectional view.
Fig. 4 is to strengthen the schematic diagram after Board position amplification at independent one in Fig. 1.
Fig. 5 is the structural representation of second of embodiment of reinforcing plate.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
During specific implementation：As shown in Fig. 1 ~ Fig. 4, a kind of industrial premises mattess structure, including underlying
It is provided with basic unit 1 and the ground floor 2 for the concrete structure being arranged on ground layer 1, ground floor 2 at expansion joint 3, expansion joint 3
Expansion joint force transferring structure is provided with, wherein, expansion joint 3 includes the transverse expansion joint laterally set and longitudinally disposed longitudinal extension
Seam, ground floor is divided into independent some rectangular blocks, transverse expansion joint and longitudinal direction by the transverse expansion joint and longitudinal expansion joint
Some expansion joint force transferring structures are each provided between expansion joint.
So, it is provided with horizontal and vertical expansion joint on ground floor, and is all provided with the expansion joint in two vertical direction
Force transferring structure has been put, therefore ground freely stretching in orthogonal both direction and load and biography can be met simultaneously
Power, preferably protects ground.
Wherein, the expansion joint force transferring structure includes the board-like expansion joint force transferring structure of power transmission, the board-like expansion joint of power transmission
Force transferring structure includes horizontally disposed force transmitting board 4, and the one end of force transmitting board 4 is the fixation being fixedly installed on the wall of expansion joint side side
End, the other end of force transmitting board 4 is that the force transmitting board for being slidably fit into expansion joint opposite side side wall cracks interior free end.
So, left positioned at the both sides and front of force transmitting board free end in force transmitting board cracks flexible or sliding for force transmitting board
Dynamic clearance space.So when ground floor telescopic variation in the horizontal direction, force transmitting board free end can crack interior in force transmitting board
Slide, do not interfere with the realization of flexible joint function.Force transmitting board can preferably play the effect of load and power transmission simultaneously, improve ground
Protect in face.And force transmitting board free end slidably can meet ground load requirement in front and rear and left and right directions
While release the constraint of orthogonal both direction（In dowel bar structure, if by with transmission rod free end coordinate insert
Hole horizontal direction is widened to release the constraint of transmission rod left and right directions, then can be linear contact lay, ground due to transmission rod upper end and hole wall
Face can not load-bearing well, and then jack can be caused to be crushed）, the Force transmission partses of ground floor rectangular block corner are overcome by double
The defect of stress concentration and ground deformation is easily caused to constraint, raising land protection and Force transmission partses protection is preferably improved
Double effectses, improve the stability and service life of force transferring structure.
In addition in work progress, conventional transfer levers quality control on construction is considerably complicated, and wherein controlling difficulties are every biographies
Power bar requires parallel with telescopic direction in vertical and horizontal direction, and need to keep power transmission in force transmitting board quality control on construction
The parallel terrace surface of plate plate face（General terrace surface is horizontal plane）, quality control efforts amount reduction half.
Wherein, the board-like expansion joint force transferring structure of above-mentioned power transmission is arranged at rectangular block ground floor edge close to corner position
Put, rectangular block ground floor marginal center position sets the expansion joint force transferring structure of traditional power transmission rod-type.Power transmission rod-type it is flexible
Force transferring structure is stitched, is included in the transmission rod 6 that expansion joint side is vertically fixedly installed, the other end of transmission rod 6 is slidably fit into
In hole on the opposite side side of expansion joint.Transmission rod is typically obtained using round steel.So, it is because ground floor edge angle dropping place
Put easily is influenceed by dilatation on two vertical edge different directions, therefore use to contact in two perpendicular direction
The force transmitting board structure of constraint, with preferably power transmission load and avoid deformation.And in ground floor marginal center position, generally only by
The influence of one direction deformation, therefore medium position is set to the expansion joint force transferring structure of power transmission rod-type, you can preferably load and prevent
Only deform, and save setup cost.
Wherein, the force transmitting board 4 is rectangular slab, and one end of rectangular slab angle is just to fixed on the wall of expansion joint side side
Fixing end, free end of another the relative end angle of rectangular slab for cooperation in force transmitting board cracks.
So, when the free end of force transmitting board occurs along the displacement of expansion joint length direction, force transmitting board can be caused
Clearance space outside the both sides of free end can rely on narrower spacing distance there is provided longer along the removable of expansion joint length direction
Dynamic distance, therefore clearance space can be reduced well, it is to avoid excessive be easily caused of clearance space is crushed, and improves to land protection
Effect.Meanwhile, on the other hand using this structure so that position is exactly the larger position of width between rectangular slab is in expansion joint
Put, also preferably to avoid the deformation at expansion joint edge, can play more preferable protective effect by load.
Wherein, two ends angle that force transmitting board 4 is between free end and fixing end is located in the middle part of correspondence expansion joint.
So so that rectangular slab is in expansion joint medium position and is exactly the maximum position of width, preferably improves load
Effect.
Wherein, force transmitting board 4 is square.So, its both sides can be made to deform stress more equalization stable.
Wherein, transverse expansion joint and longitudinal expansion joint intersection are additionally provided with reinforcing plate 5, and reinforcing plate 5 is horizontally disposed and has
There are four connection ends, four connection ends are embedded four ground floors in transverse expansion joint and longitudinal expansion joint intersection respectively
In rectangular block, any of which connection end is the fixing end being fixed in accordingly surface layer rectangular block, and the other three connection end is can
Slidably it is plugged in mounting groove and in the horizontal direction without spacing free end.
So, because ground floor rectangular block corner location can be direct by front and rear and left and right both direction extrusion stress,
And corner self-strength is relatively low, therefore easily it is subject to crushing first herein.Therefore rely on reinforcing plate can ground-to-ground surface layer rectangle very well
Block corner carries out reinforcement.The mounting connection structure of reinforcing plate, makes it while support load effect is strengthened, to four simultaneously
Individual ground floor rectangular block horizontal plane either direction dilatation all without cause constraint；It ensure that the work(at expansion joint itself
Can, preferably improve to ground protecting effect.
Wherein, the reinforcing plate 5 is square plate, and the reinforcing plate part overlapping with four ground floor rectangular blocks is identical
Four small squares of size.
So, the best middle part of reinforcing plate intensity is in transverse expansion joint and longitudinal expansion joint intersection center position, energy
Enough play best support load effect, and four angular deformation stress more equalization stable.
During implementation, force transmitting board 4 and reinforcing plate 5 are steel plate structure, to better ensure that intensity.
On the basis of such scheme, when it is implemented, reinforcing plate can also be existed using the mounting means shown in Fig. 5
Shown in Fig. 4 on architecture basics, horizontally disposed square reinforcing plate is horizontally rotated 45 degree, the middle part on its four sides is formed
Four connection ends are simultaneously embedded into corresponding four ground floor rectangular blocks, and any of which connection end is to be fixed on accordingly surface layer square
Fixing end in shape block, the other three connection end is interior and no in the horizontal direction spacing to be slideably plugged on mounting groove
Free end；Bottom surface and the reinforcing plate marginating compartment of mounting groove and parallel simultaneously.Label 2 is ground floor in Fig. 5, and label 3 is flexible
Seam, label 5 is reinforcing plate.
So make it that the connection end that reinforcing plate is located in mounting groove is a line portion, therefore mounting groove is also a groove, peace
Tankage bottom surface does not have angle, would not have stress raiser when being so pressurized, while mounting groove bottom land and both direction are stretched
Contracting seam dilatation direction is 45 degree and intersected, therefore and then allow mounting groove preferably pressure-bearing, it is to avoid deformation failure.Separately
Outside, intersect because the expansion joint deformation direction of mounting groove bottom land and both direction is 45 degree, therefore less groove depth can be used
The flexible deformation extendable room of longer confession reinforcing plate is improved, intensity can also preferably be improved by reducing groove depth, it is to avoid deformation failure.
Claims (8)
1. a kind of industrial premises mattess structure, including underlying ground layer and the concrete being arranged on ground layer
It is provided with the ground floor of structure, ground floor at expansion joint, expansion joint and is provided with expansion joint force transferring structure, it is characterised in that is stretched
Contracting seam includes the transverse expansion joint and longitudinally disposed longitudinal expansion joint, the transverse expansion joint and longitudinal expansion joint of laterally setting
Ground floor is divided into independent some rectangular blocks, is each provided between transverse expansion joint and longitudinal expansion joint some flexible
Stitch force transferring structure.
2. industrial premises mattess structure as claimed in claim 1, it is characterised in that the expansion joint force transferring structure bag
Horizontally disposed force transmitting board is included, force transmitting board one end is the fixing end being fixedly installed on the wall of expansion joint side side, and force transmitting board is another
Hold and cracked interior free end to be slidably fit into the force transmitting board of expansion joint opposite side side wall.
3. industrial premises mattess structure as claimed in claim 1, it is characterised in that the force transmitting board is rectangular slab,
The end angle of rectangular slab one for just to fixed to the fixing end on the wall of expansion joint side side, another relative end angle of rectangular slab be with
Close interior free end of being cracked in force transmitting board.
4. industrial premises mattess structure as claimed in claim 3, it is characterised in that force transmitting board is in free end and solid
Two ends angle between fixed end is located in the middle part of correspondence expansion joint.
5. industrial premises mattess structure as claimed in claim 3, it is characterised in that force transmitting board is square.
6. industrial premises mattess structure as claimed in claim 2, it is characterised in that transverse expansion joint and longitudinal extension
Seam intersection is additionally provided with reinforcing plate, and reinforcing plate is horizontally disposed and with four connection ends, and four connection ends are embedded respectively
In four ground floor rectangular blocks of transverse expansion joint and longitudinal expansion joint intersection, any of which connection end is to be fixed on correspondence
Fixing end in ground floor rectangular block, the other three connection end is slideably to be plugged in mounting groove and do not have in the horizontal direction
The free end of limited location.
7. industrial premises mattess structure as claimed in claim 6, it is characterised in that the reinforcing plate is square
Plate, and the reinforcing plate part overlapping with four ground floor rectangular blocks is four small squares of formed objects.
8. industrial premises mattess structure as claimed in claim 6, it is characterised in that force transmitting board and reinforcing plate are steel
Hardened structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710557224.6A CN107178197B (en) | 2017-07-10 | 2017-07-10 | Industrial premises mattess structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710557224.6A CN107178197B (en) | 2017-07-10 | 2017-07-10 | Industrial premises mattess structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107178197A true CN107178197A (en) | 2017-09-19 |
| CN107178197B CN107178197B (en) | 2019-07-05 |
Family
ID=59846090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710557224.6A Active CN107178197B (en) | 2017-07-10 | 2017-07-10 | Industrial premises mattess structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107178197B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107190947A (en) * | 2017-07-10 | 2017-09-22 | 中冶建工集团有限公司 | A kind of garage control of facility floor dilatation and load guard method |
| CN108457386A (en) * | 2018-01-11 | 2018-08-28 | 中国航空规划设计研究总院有限公司 | A kind of terrace expansion joint structure and its construction method under complicated use environment |
| CN109220819A (en) * | 2018-09-17 | 2019-01-18 | 天津农学院 | A kind of movable type livestock-raising fence and its application |
| CN111411558A (en) * | 2020-04-23 | 2020-07-14 | 长春市市政工程设计研究院 | Joint body of combined type road surface and combined type road surface |
| CN114718273A (en) * | 2022-04-01 | 2022-07-08 | 中国建筑第五工程局有限公司 | Diamond dust terrace armor seam structure |
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| US5797231A (en) * | 1996-01-16 | 1998-08-25 | Kramer; Donald R. | Concrete slab dowel system and method for making same |
| CN204960240U (en) * | 2015-07-16 | 2016-01-13 | 上海市园林设计院有限公司 | Structure of surface course fracture prevents to mat formation |
| CN106087639A (en) * | 2016-08-15 | 2016-11-09 | 长江勘测规划设计研究有限责任公司 | A kind of highway, Irish bridge structure and Irish bridge construction method |
| CN206070286U (en) * | 2016-09-07 | 2017-04-05 | 北京现代汽车有限公司 | The constructing device and mattess of mattess |
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| US5797231A (en) * | 1996-01-16 | 1998-08-25 | Kramer; Donald R. | Concrete slab dowel system and method for making same |
| CN204960240U (en) * | 2015-07-16 | 2016-01-13 | 上海市园林设计院有限公司 | Structure of surface course fracture prevents to mat formation |
| CN106087639A (en) * | 2016-08-15 | 2016-11-09 | 长江勘测规划设计研究有限责任公司 | A kind of highway, Irish bridge structure and Irish bridge construction method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107190947A (en) * | 2017-07-10 | 2017-09-22 | 中冶建工集团有限公司 | A kind of garage control of facility floor dilatation and load guard method |
| CN108457386A (en) * | 2018-01-11 | 2018-08-28 | 中国航空规划设计研究总院有限公司 | A kind of terrace expansion joint structure and its construction method under complicated use environment |
| CN108457386B (en) * | 2018-01-11 | 2019-12-17 | 中国航空规划设计研究总院有限公司 | Terrace expansion joint structure used in complex use environment and construction method thereof |
| CN109220819A (en) * | 2018-09-17 | 2019-01-18 | 天津农学院 | A kind of movable type livestock-raising fence and its application |
| CN109220819B (en) * | 2018-09-17 | 2024-04-16 | 天津农学院 | Movable fence for livestock breeding and application thereof |
| CN111411558A (en) * | 2020-04-23 | 2020-07-14 | 长春市市政工程设计研究院 | Joint body of combined type road surface and combined type road surface |
| CN114718273A (en) * | 2022-04-01 | 2022-07-08 | 中国建筑第五工程局有限公司 | Diamond dust terrace armor seam structure |
| CN114718273B (en) * | 2022-04-01 | 2023-12-15 | 中国建筑第五工程局有限公司 | Diamond sand terrace armor seam structure |
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| Publication number | Publication date |
|---|---|
| CN107178197B (en) | 2019-07-05 |
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