CN207739402U - Assembly concrete connection structure - Google Patents
Assembly concrete connection structure Download PDFInfo
- Publication number
- CN207739402U CN207739402U CN201721826588.1U CN201721826588U CN207739402U CN 207739402 U CN207739402 U CN 207739402U CN 201721826588 U CN201721826588 U CN 201721826588U CN 207739402 U CN207739402 U CN 207739402U
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- CN
- China
- Prior art keywords
- slot
- inserted block
- upper member
- connection structure
- assembly concrete
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000011440 grout Substances 0.000 claims abstract description 43
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 22
- 230000013011 mating Effects 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims description 24
- 239000002002 slurry Substances 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 abstract description 6
- 235000013336 milk Nutrition 0.000 abstract description 5
- 239000008267 milk Substances 0.000 abstract description 5
- 210000004080 milk Anatomy 0.000 abstract description 5
- 238000010276 construction Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 229920002472 Starch Polymers 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 238000003032 molecular docking Methods 0.000 description 4
- 235000019698 starch Nutrition 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- -1 electricity Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Joining Of Building Structures In Genera (AREA)
Abstract
The utility model discloses assembly concrete connection structures, its key points of the technical solution are that including upper member, lower member and grout sleeve, the upper reinforcing bar being connect with grout sleeve is embedded in upper member, lower member is embedded with upper end and the mating lower reinforcing bar of grout sleeve, upper member is provided with grouting port, and upper member is provided with grout outlet, slot is provided at the top of lower member, the bottom of upper member is provided with the inserted block mating with slot, mating between slot and inserted block to have inserting column；When connecting upper member with lower member, lower reinforcing bar is corresponded to the opening of grout sleeve lower end, inserted block is corresponding with slot, and upper member is put down, and makes grout sleeve and lower reinforcing bar grafting, inserted block and slot grafting, inserting column is inserted between slot and inserted block later, the displacement in the vertical direction between upper member and lower member limits, and is then in the milk to grout sleeve, upper member and lower member are fixedly connected, bonding strength is improved.
Description
Technical field
The utility model is related to assembly concrete fields, more specifically, it relates to assembly concrete connection structure.
Background technology
Prefabricated concrete structure is the concrete knot being formed by connecting as main bearing member through assembling using prefabricated components
Structure, prefabricated concrete structure are one of the important directions of China's building structure development, it is conducive to China's building industrialization
Development, raising production efficiency is energy saving, develops Green environmental-protection building, and is conducive to improve and ensure construction engineering quality.
Compared with cast-in-situ construction method, prefabricated concrete structure is conducive to green construction, because fabricated construction can more meet green
The saving land, is energy saving of construction, section material, the requirements such as water-saving and environmental protection, reduce the negative effect to environment, including reduce noise,
Airborne dust is prevented, is reduced environmental pollution, is cleaned transport, reduce place interference, save resources and the energy such as water, electricity, material, it then follows can
The principle of sustainable development.
The connection of existing assembly concrete is connected the most commonly used is grout sleeve and slurry anchor overlap joint, the material of grout sleeve
Matter is steel, and the process that the component that is prefabricated in the factory makes is that one end is inserted with to the sleeve of reinforcing bar to be embedded in component in advance, then by structure
The part scene of transporting carries out construction and installation, is followed by reinforcing bar and is inserted into the preformed hole of grout sleeve, is finally injected into grout sleeve
The reinforcing bar at both ends is fixedly connected by grouting material.
But during connection two components up and down, upper and lower two components are easy to happen phase in the vertical direction
To displacement, bonding strength is influenced.
Utility model content
The purpose of this utility model is to provide assembly concrete connection structure, and there are two components above and below reducing to connect
The advantages of relative displacement in the vertical direction in the process, raising bonding strength.
The above-mentioned technical purpose of the utility model technical scheme is that：Assembly concrete connects
Structure, including upper member, lower member and grout sleeve, the grout sleeve are embedded in the bottom of upper member in advance, in the upper member
It is embedded with the upper reinforcing bar being connect with grout sleeve, the lower member is embedded with upper end and the mating lower reinforcing bar of grout sleeve,
The upper member is provided with the grouting port toward grout sleeve injection grouting material, upper member company of being provided with above grouting port
Lead to the grout outlet of grout sleeve, slot is provided at the top of the lower member, the bottom of the upper member is provided with inserts with slot
The inserted block of cooperation is connect, it is mating between the slot and inserted block to have inserting column.
Lower reinforcing bar is corresponded into grout sleeve lower end when connecting upper member with lower member by using above-mentioned technical proposal
Opening, inserted block is corresponding with slot, and upper member is put down, and makes grout sleeve and lower reinforcing bar grafting, inserted block and slot grafting, it
Inserting column to be inserted between slot and inserted block afterwards, the displacement in the vertical direction between upper member and lower member limits,
Then it is in the milk to grout sleeve, upper member and lower member is fixedly connected, improve bonding strength.
Preferably, the quantity of the inserting column is more than 1.
By using above-mentioned technical proposal, increase the contact area of inserting column and slot and inserted block, improves structural stability.
Preferably, it is connected with connecting plate between the inserting column.
By using above-mentioned technical proposal, realizes the control to more inserting columns using connecting plate, improve construction efficiency.
Preferably, the outer wall of the inserted block is bonded with the inner wall of slot, and the inner wall of the inserted block is recessed inwardly, the lower structure
Part is provided with connection slot and extraneous grouting mouth, and the upper member is provided with the excessive slurry mouth at the top of the recessed portion of connection inserted block.
By using above-mentioned technical proposal, after inserted block is inserted into slot, using grouting mouth between slot and inserted block
Cavity injects grouting material, until grouting material overflows from excessive slurry mouth, improves bonding strength.
Preferably, the quantity of the grouting mouth and the slurry mouth that overflows is more than 1.
By using above-mentioned technical proposal construction efficiency is improved using the slip casting simultaneously of multiple grouting mouths.
Preferably, the connection plate level is slidably connected to lower member.
By using above-mentioned technical proposal, when docking upper member with lower member, by connecting plate toward the direction far from slot
Sliding moves connecting plate toward close to the direction of slot after inserted block and slot grafting, realizes inserting for inserting column and slot and inserted block
Cooperation is connect, it is convenient and efficient.
Preferably, being provided between the lower member and connecting plate makes connecting plate toward first moved close to the direction of slot
Elastic component.
By using above-mentioned technical proposal, when docking upper member with lower member, by connecting plate toward the direction far from slot
Sliding, unclamps connecting plate during inserted block and slot grafting, and connecting plate has under the action of the first elastic component toward close
The trend of the direction movement of slot, until inserted block is fully inserted into slot, inserting column under the drive of connecting plate with slot and inserted block
Grafting, it is convenient and fast connection.
Preferably, the side wall of the slot is provided with mounting groove, and the mounting groove is rotatably connected to fixture block, the card vertically
The second elastic component for making the lower part of fixture block protrude from mounting groove is provided between block and mounting groove, the connecting plate is provided with and blocks
The bayonet that the top of block is engaged by clamping.
By using above-mentioned technical proposal, when docking upper member with lower member, by connecting plate toward the direction far from slot
Sliding positions connecting plate until fixture block blocks bayonet, and during inserted block and slot grafting, inserted block resists fixture block
It protrudes from the part of mounting groove and fixture block is made to rotate, fixture block is made to be detached with bayonet, when inserted block is fully inserted into slot, inserting column exists
It is convenient and fast connection with slot and inserted block grafting under the drive of connecting plate.
Preferably, the lower reinforcer of T shapes is provided in the slot.
By using above-mentioned technical proposal, so that lower reinforcer is coordinated with grouting material, improve the extraction-resistant behavior of structure.
Preferably, the upper reinforcer of inverted T-shaped is provided in the recessed portion of the inserted block.
By using above-mentioned technical proposal, so that reinforcer is coordinated with grouting material, improve the extraction-resistant behavior of structure.
In conclusion the utility model has the advantages that：It is when connecting upper member with lower member, connecting plate is past
Direction far from slot is slided, until fixture block blocks bayonet, is positioned to connecting plate, lower reinforcing bar is corresponded to grout sleeve lower end
Opening, inserted block is corresponding with slot, and upper member is put down, and makes grout sleeve and lower reinforcing bar grafting, inserted block and slot grafting,
During inserted block and slot grafting, inserted block resists fixture block and protrudes from the part of mounting groove and fixture block is made to rotate, and makes fixture block and card
Mouthful separation, when inserted block is fully inserted into slot, inserting column under the drive of connecting plate with slot and inserted block grafting, to upper member with
Displacement in the vertical direction between lower member is limited, and is then in the milk to grout sleeve, to upper member and lower structure
Part is fixedly connected, and then injects grouting material using cavity of the grouting mouth between slot and inserted block, until grouting material is from overflowing
It starches and is overflowed at mouth, improve bonding strength, while reinforcer and lower reinforcer being made to coordinate with grouting material, improve the resistance to plucking of structure
Energy.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present embodiment；
Fig. 2 is structural schematic diagram of the upper member with lower member when not connected in the present embodiment；
Fig. 3 is the relation schematic diagram of inserting column and slot and inserted block in the present embodiment；
Fig. 4 is the relation schematic diagram of upper reinforcer and lower reinforcer in the present embodiment；
Fig. 5 is to overflow to starch the structural schematic diagram of mouth in the present embodiment；
Fig. 6 is the relation schematic diagram of mounting groove and slot in the present embodiment；
Fig. 7 is structural schematic diagram when fixture block is clamped with bayonet in the present embodiment.
Reference numeral：1, upper member；2, lower member；3, grout sleeve；4, upper reinforcing bar；5, lower reinforcing bar；6, grouting port；7, go out
Starch mouth；8, slot；9, inserted block；10, inserting column；11, connecting plate；12, be in the milk mouth；13, overflow slurry mouth；14, the first elastic component；15, pacify
Tankage；16, fixture block；17, the second elastic component；18, bayonet；19, lower reinforcer；20, upper reinforcer；21, grouting material.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
Following specific examples is only the explanation to the utility model, is not limitations of the present invention, this
Field technology personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification,
But as long as all being protected by Patent Law in the right of following utility model.
Assembly concrete connection structure, it is as shown in figures 1 and 3, including upper member 1 and lower member 2, pre- in upper member 1
It is embedded with several upper reinforcing bars 4, the bottom of upper member 1 is embedded with several grout sleeves 3, steel on the top of each grout sleeve 3 and one
Muscle 4 is fixedly connected, the bottom end opening of grout sleeve 3, is embedded with lower reinforcing bar 5 in lower member 2, and lower reinforcing bar 5 is from the bottom of upper member 1
It is pierced by and mating with grout sleeve 3, the side wall of upper member 1 is provided with the note of the bottom for the cavity for being communicated in grout sleeve 3
Mouth 6 is starched, upper member 1 is provided with grout outlet 7 in the top of grouting port 6, and grout outlet 7 is communicated in the top of the cavity of grout sleeve 3,
The empty intra-bladder instillation grouting material 21 of grout sleeve 3.
In conjunction with Fig. 2 and Fig. 3, the top of lower member 2 is provided with the slot 8 of rectangle, and the cavity of slot 8 is located at lower member 2
The bottom of inside, upper member 1 is provided with the inserted block 9 mating with slot 8, and the outer wall of inserted block 9 is bonded with the inner wall of slot 8,
The inner wall of inserted block 9 is recessed inwardly, and level is mating between slot 8 and inserted block 9 more inserting columns 10, and connects between inserting column 10
It is connected to connecting plate 11, the control to more inserting columns 10 is realized using connecting plate 11, improves construction efficiency, and slot 8 and inserted block 9
Between cavity be perfused with grouting material 21, the bottom of slot 8 is vertically provided with many places recess, and grouting material 21 fills out recess
It fills, improves bonding strength.
In conjunction with Fig. 3 and Fig. 4, it is provided with the lower reinforcer 19 of multiple T shapes in slot 8, is provided in the recessed portion of inserted block 9 more
The upper reinforcer 20 of a inverted T-shaped, and upper reinforcer 20 is in be staggered with lower reinforcer 19, makes reinforcer 20 and lower reinforcement
Part 19 coordinates with grouting material 21, improves the extraction-resistant behavior of structure.
In conjunction with Fig. 2 and Fig. 5, lower member 2 is provided with multiple connection slots 8 and extraneous grouting mouth 12, and upper member 1 is provided with
The excessive slurry mouth 13 at the top of the recessed portion of multiple connection inserted blocks 9 utilizes grouting 12 pairs of slots of mouth after inserted block 9 is inserted into slot 8
Cavity between 8 and inserted block 9 injects grouting material 21, until grouting material 21 overflows from excessive slurry mouth 13, improves bonding strength.
In conjunction with Fig. 6 and Fig. 7, the side-walls at the both ends of 8 length direction of slot, which are recessed inwardly, is provided with mounting groove 15, installation
Slot 15 is rotatably connected to fixture block 16 vertically, and the rotation axis of fixture block 16 is located therein, and is provided between fixture block 16 and mounting groove 15
The lower part of fixture block 16 is set to protrude from the second elastic component 17 of mounting groove 15, the second elastic component 17 selects torsional spring herein, connecting rod
Both ends toward lower member 2 direction horizontal extension into lower member 2, and be slidably connected with 2 level of lower member, connecting plate 11 is provided with
The bayonet 18 being engaged by clamping with the top of fixture block 16, being provided between lower member 2 and connecting plate 11 makes connecting plate 11 toward close to slotting
First elastic component 14 of the direction movement of slot 8, the tension spring of the first elastic component 14 selection herein, in docking upper member 1 and lower member 2
When, connecting plate 11 is slided toward the direction far from slot 8, until fixture block 16 blocks bayonet 18, connecting plate 11 is positioned, the
Two elastic components 17 keep fixture block 16 and the clamping relationship of bayonet 18, during inserted block 9 and 8 grafting of slot, inserted block 9
It resists fixture block 16 to protrude from the part of mounting groove 15 and fixture block 16 is made to rotate, fixture block 16 is made to be detached with bayonet 18, it is complete in inserted block 9
When injecting in slot 8, connecting plate 11 is toward close to the movement of the direction of slot 8 under the action of the first elastic component 14, and inserting column 10 is even
Under the drive of fishplate bar 11 with 9 grafting of slot 8 and inserted block.
Specific connection procedure：When connecting upper member 1 with lower member 2, connecting plate 11 is slided toward the direction far from slot 8
It is dynamic, until fixture block 16 blocks bayonet 18, connecting plate 11 is positioned.
Lower reinforcing bar 5 is corresponded to the opening of 3 lower end of grout sleeve, inserted block 9 is corresponding with slot 8, and upper member 1 is put down, and makes
Grout sleeve 3 and lower 5 grafting of reinforcing bar, inserted block 9 and 8 grafting of slot.
During inserted block 9 and 8 grafting of slot, inserted block 9 resists fixture block 16 and protrudes from the part of mounting groove 15 and make card
Block 16 rotates, and fixture block 16 is made to be detached with bayonet 18, when inserted block 9 is fully inserted into slot 8, drive of the inserting column 10 in connecting plate 11
Lower and 9 grafting of slot 8 and inserted block, the displacement in the vertical direction between upper member 1 and lower member 2 limit, then
It is in the milk to grout sleeve 3 using grouting port 6, until grouting material 21 is overflowed from grout outlet 7, with to upper member 1 and lower member 2
It is fixedly connected.
Then using grouting 12 pairs of slots 8 of mouth and inserted block 9 between cavity inject grouting material 21, until grouting material 21 from overflow
It starches and is overflowed at mouth 13, improve bonding strength, while reinforcer 20 and lower reinforcer 19 being made to coordinate with grouting material 21, improve structure
Extraction-resistant behavior.
Claims (10)
1. assembly concrete connection structure, including upper member (1), lower member (2) and grout sleeve (3), the grout sleeve
(3) it is embedded in the bottom of upper member (1) in advance, the upper reinforcing bar (4) being connect with grout sleeve (3), institute are embedded in the upper member (1)
It states lower member (2) and is embedded with upper end and the mating lower reinforcing bar (5) of grout sleeve (3), the upper member (1) is provided with toward filling
The grouting port (6) that sleeve (3) injects grouting material (21) is starched, the upper member (1) is provided with connection above grouting port (6) and fills
The grout outlet (7) of sleeve (3) is starched, it is characterized in that：Slot (8), the upper member (1) are provided at the top of the lower member (2)
Bottom be provided with the mating inserted block (9) of slot (8), it is mating between the slot (8) and inserted block (9) to have inserting column
(10)。
2. assembly concrete connection structure according to claim 1, it is characterized in that：The quantity of the inserting column (10) is more than
1。
3. assembly concrete connection structure according to claim 2, it is characterized in that：It is connected between the inserting column (10)
Connecting plate (11).
4. assembly concrete connection structure according to claim 1, it is characterized in that：The outer wall of the inserted block (9) with insert
The inner wall of slot (8) is bonded, and the inner wall of the inserted block (9) is recessed inwardly, the lower member (2) be provided with connection slot (8) with it is outer
The grouting mouth (12) on boundary, the upper member (1) are provided with the excessive slurry mouth (13) at the top of the recessed portion of connection inserted block (9).
5. assembly concrete connection structure according to claim 4, it is characterized in that：The grouting mouth (12) and the slurry mouth that overflows
(13) quantity is more than 1.
6. assembly concrete connection structure according to claim 3, it is characterized in that：The horizontal sliding of the connecting plate (11)
It is connected to lower member (2).
7. assembly concrete connection structure according to claim 6, it is characterized in that：The lower member (2) and connecting plate
(11) being provided between makes connecting plate (11) toward the first elastic component (14) moved close to the direction of slot (8).
8. assembly concrete connection structure according to claim 7, it is characterized in that：The side wall of the slot (8) is arranged
Have a mounting groove (15), the mounting groove (15) is rotatably connected to fixture block (16) vertically, the fixture block (16) and mounting groove (15) it
Between be provided with the second elastic component (17) for making the lower part of fixture block (16) protrude from mounting groove (15), the connecting plate (11) is provided with
The bayonet (18) being engaged by clamping with the top of fixture block (16).
9. assembly concrete connection structure according to claim 4, it is characterized in that：It is provided with T shapes in the slot (8)
Lower reinforcer (19).
10. assembly concrete connection structure according to claim 4, it is characterized in that：In the recessed portion of the inserted block (9)
It is provided with the upper reinforcer (20) of inverted T-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721826588.1U CN207739402U (en) | 2017-12-22 | 2017-12-22 | Assembly concrete connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721826588.1U CN207739402U (en) | 2017-12-22 | 2017-12-22 | Assembly concrete connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207739402U true CN207739402U (en) | 2018-08-17 |
Family
ID=63119574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721826588.1U Expired - Fee Related CN207739402U (en) | 2017-12-22 | 2017-12-22 | Assembly concrete connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207739402U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109853751A (en) * | 2019-04-12 | 2019-06-07 | 浙江交工集团股份有限公司 | It is a kind of to solve lock Quick connection part for prefabricated member |
| CN110373987A (en) * | 2019-07-24 | 2019-10-25 | 重庆交通建设(集团)有限责任公司 | A kind of box beam fast installs composite structure and its installation method |
| CN110792164A (en) * | 2019-11-12 | 2020-02-14 | 燕山大学 | Transverse assembling device and method for assembled shear wall |
| CN111119344A (en) * | 2019-12-23 | 2020-05-08 | 深圳市华建工程项目管理有限公司 | Cross plug device for shear wall |
| CN111472471A (en) * | 2020-04-29 | 2020-07-31 | 南宁学院 | A multifunctional composite wall |
| CN111561061A (en) * | 2020-03-24 | 2020-08-21 | 河北工业大学 | A prefabricated wall panel, wall structure and construction method thereof |
| CN112832465A (en) * | 2020-12-31 | 2021-05-25 | 上海建工二建集团有限公司 | Grouting sleeve structure and construction method |
| CN112922190A (en) * | 2021-03-26 | 2021-06-08 | 福建省万林建设管理有限公司 | Assembled wall body mounting structure |
| CN113006291A (en) * | 2021-03-02 | 2021-06-22 | 惠州城际工程咨询有限公司 | Prefabricated building and construction method thereof |
| CN113338539A (en) * | 2021-06-23 | 2021-09-03 | 福建九鼎建设集团有限公司 | Assembled reinforced concrete combination column |
| CN113818592A (en) * | 2021-10-18 | 2021-12-21 | 福建金鼎建筑发展有限公司 | T-shaped horizontal connection node in assembly type building |
| CN114033096A (en) * | 2021-12-13 | 2022-02-11 | 中国铁路武汉局集团有限公司武汉房建生活段 | Assembled concrete slab structure and construction method |
-
2017
- 2017-12-22 CN CN201721826588.1U patent/CN207739402U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109853751B (en) * | 2019-04-12 | 2024-02-02 | 浙江交工集团股份有限公司 | Unlocking type quick connector for assembly type component |
| CN109853751A (en) * | 2019-04-12 | 2019-06-07 | 浙江交工集团股份有限公司 | It is a kind of to solve lock Quick connection part for prefabricated member |
| CN110373987A (en) * | 2019-07-24 | 2019-10-25 | 重庆交通建设(集团)有限责任公司 | A kind of box beam fast installs composite structure and its installation method |
| CN110792164A (en) * | 2019-11-12 | 2020-02-14 | 燕山大学 | Transverse assembling device and method for assembled shear wall |
| CN110792164B (en) * | 2019-11-12 | 2021-03-12 | 燕山大学 | A kind of horizontal assembly device and assembly method of prefabricated shear wall |
| CN111119344A (en) * | 2019-12-23 | 2020-05-08 | 深圳市华建工程项目管理有限公司 | Cross plug device for shear wall |
| CN111561061A (en) * | 2020-03-24 | 2020-08-21 | 河北工业大学 | A prefabricated wall panel, wall structure and construction method thereof |
| CN111472471A (en) * | 2020-04-29 | 2020-07-31 | 南宁学院 | A multifunctional composite wall |
| CN112832465A (en) * | 2020-12-31 | 2021-05-25 | 上海建工二建集团有限公司 | Grouting sleeve structure and construction method |
| CN113006291A (en) * | 2021-03-02 | 2021-06-22 | 惠州城际工程咨询有限公司 | Prefabricated building and construction method thereof |
| CN112922190A (en) * | 2021-03-26 | 2021-06-08 | 福建省万林建设管理有限公司 | Assembled wall body mounting structure |
| CN113338539A (en) * | 2021-06-23 | 2021-09-03 | 福建九鼎建设集团有限公司 | Assembled reinforced concrete combination column |
| CN113818592A (en) * | 2021-10-18 | 2021-12-21 | 福建金鼎建筑发展有限公司 | T-shaped horizontal connection node in assembly type building |
| CN113818592B (en) * | 2021-10-18 | 2022-11-01 | 福建金鼎建筑发展有限公司 | T-shaped horizontal connection node in assembly type building |
| CN114033096A (en) * | 2021-12-13 | 2022-02-11 | 中国铁路武汉局集团有限公司武汉房建生活段 | Assembled concrete slab structure and construction method |
| CN114033096B (en) * | 2021-12-13 | 2022-11-25 | 中国铁路武汉局集团有限公司武汉房建生活段 | Assembled concrete slab structure and construction method |
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