CN110821142A - Prefabricated structure outer frame drawknot structure and construction method - Google Patents
Prefabricated structure outer frame drawknot structure and construction method Download PDFInfo
- Publication number
- CN110821142A CN110821142A CN201911073958.2A CN201911073958A CN110821142A CN 110821142 A CN110821142 A CN 110821142A CN 201911073958 A CN201911073958 A CN 201911073958A CN 110821142 A CN110821142 A CN 110821142A
- Authority
- CN
- China
- Prior art keywords
- prefabricated
- cast
- shaped flat
- flat iron
- place platform
- Prior art date
- 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.)
- Pending
Links
- 238000010276 construction Methods 0.000 title claims abstract description 29
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 106
- 229910052742 iron Inorganic materials 0.000 claims description 53
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000009435 building construction Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/22—Scaffolds essentially supported by building constructions, e.g. adjustable in height supported by roofs or ceilings
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention provides a prefabricated structure outer frame drawknot structure and a construction method, belongs to the technical field of building construction, and aims to solve the construction problem that conventional steel pipe embedded beams and plate drawknots in a prefabricated structure cannot penetrate through a prefabricated outer wall. The embedded part embedding end is embedded in a cast-in-place platform board, the cast-in-place platform board is used for connecting adjacent prefabricated outer wall structures, the free end of the embedded part is fixedly connected with the cross rod, the other end of the cross rod is fixedly connected with the inner vertical rod of the outer scaffold, and therefore the cross rod abuts against the cast-in-place platform board structure and prevents the outer scaffold from toppling towards the side of the prefabricated outer wall structure. The drawknot structure solves the problem that the common steel pipe wall connecting piece collides with the prefabricated outer wall structure. Moreover, the step pitch and the span of the wall connecting piece can meet the design requirements. Through the setting that adopts the built-in fitting, when carrying out cast-in-place platform board's construction, avoided conventional even wall spare to demolish work, guaranteed the support body stability of outer scaffold frame.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a prefabricated structure outer frame tie structure and a construction method.
Background
The traditional construction industry cannot develop sustainably in a extensive mode at the expense of high investment, high consumption and high pollution. In recent years, as the housing industrialization is vigorously popularized by the country, the assembly type building is rapidly developed.
In conventional engineering, the external scaffold wall connecting piece is mainly directly embedded in a beam or a slab by using a short steel pipe, and then connected with a frame body and the embedded steel pipe by using a steel pipe fastener. If the outer wall adopts the prefabricated construction, even the wall spare can't pass through prefabricated outer wall and be connected with the structure formation, influences the support body stable.
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 is prior art that is known to a person skilled in the art.
Disclosure of Invention
The invention aims to provide a prefabricated structure outer frame drawknot structure and a construction method, which can solve the construction difficulty that conventional steel pipe embedded beams and plate drawknots in a prefabricated structure cannot penetrate through a prefabricated outer wall. The method has the advantages of simple process, convenient operation and lower cost, and is particularly suitable for the arrangement of the external scaffold wall connecting piece in the construction stage of the prefabricated peripheral retaining wall type assembled structure main body.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a prefabricated structure outrigger drawknot structure comprising:
the embedded end of the embedded part is connected with the steel bar of the cast-in-place platform plate and is cast with the cast-in-place platform plate into a whole, and the cast-in-place platform plate is used for connecting adjacent prefabricated outer wall structures;
one end of the cross rod is fixedly connected with the free end of the embedded part, and the other end of the cross rod is fixedly connected with the outer scaffold.
Compared with the prior art, the invention has the beneficial technical effects that:
1. the invention provides a prefabricated structure outer frame drawknot structure which comprises embedded parts and cross rods, wherein the embedded ends of the embedded parts are embedded in cast-in-place platform plates, the cast-in-place platform plates are used for connecting adjacent prefabricated outer wall structures, the free ends of the embedded parts are fixedly connected with the cross rods, the other ends of the cross rods are fixedly connected with inner upright rods of outer scaffolds, and therefore the cross rods abut against the cast-in-place platform plate structures to prevent the outer scaffolds from inclining to the side of the prefabricated outer wall structures. The drawknot structure solves the problem that the common steel pipe wall connecting piece collides with the prefabricated outer wall structure. Moreover, the step pitch and the span of the wall connecting piece can meet the design requirements.
2. According to the construction method of the prefabricated structure outer frame drawknot structure, provided by the invention, when the connection construction of adjacent prefabricated outer wall structures is carried out, namely the construction of the cast-in-place platform plate is carried out, a large amount of dismantling work of common steel pipe wall connecting pieces is avoided, the stability of the frame body of the outer scaffold is ensured, the operation is simple and convenient, the time and the labor are saved, the construction quality can be ensured, and the construction method has a good popularization value.
Furthermore, in order to obtain materials conveniently and save cost, the embedded part is an L-shaped flat iron, the long edge of the L-shaped flat iron is fixedly connected with the cross rod, and the short edge of the L-shaped flat iron is fixedly connected with the steel bar of the cast-in-place platform plate.
Further, in order to improve the connection convenience, the ends of the long side and the short side of the L-shaped flat iron are provided with reserved holes.
Further, for repeated turnover use, improve the efficiency of construction simultaneously, the horizontal pole with L type band iron bolted connection, the bolt passes preformed hole and the horizontal pole and the locking of the long limit tip of L type band iron respectively, accomplishes being connected on horizontal pole and the long limit of L type band iron.
Further, as the alternative connection mode of bolted connection, the cross rod is connected with the L-shaped flat iron pin shaft, and the bolt passes through the preformed hole at the end part of the long edge of the L-shaped flat iron and the cross rod respectively and is locked to complete the connection of the cross rod and the long edge of the L-shaped flat iron.
Furthermore, in order to enhance the connection firmness of the L-shaped flat iron and the cast-in-place platform plate, the opening of the L-shaped flat iron is placed downwards, and the bottom steel bars of the cast-in-place platform plate penetrate through the reserved holes at the end parts of the short sides of the L-shaped flat iron to be connected and fixed.
The invention also provides a construction method of the prefabricated structure outer frame drawknot structure, which comprises the following steps:
step one, providing the prefabricated structure outer frame tie structure for standby, wherein the embedded part selects L-shaped flat iron with openings at two ends;
step two, completing the hoisting of the prefabricated outer wall structure, binding bottom reinforcing steel bars of the cast-in-place platform plate on the hoisted prefabricated outer wall structure, meanwhile, placing the open end of the L-shaped flat iron downwards, and enabling the reinforcing steel bars to penetrate through a preformed hole at the end part of the short side of the L-shaped flat iron to be connected and fixed;
and step three, performing concrete pouring construction of the cast-in-place platform plate, and respectively penetrating and locking bolts through the reserved holes on the long sides of the L-shaped flat iron and the cross rods, so that the connection of the L-shaped flat iron and the cross rods is completed, and a drawknot structure is formed.
Further, pole setting fixed connection in horizontal pole and the outer scaffold frame to make horizontal pole and outer scaffold frame form fixed connection, through the effect of horizontal pole, prevent that outer scaffold frame from toppling over to prefabricated outer wall structure direction.
Drawings
Fig. 1 is a schematic structural diagram of a prefabricated structure external frame tie structure in an embodiment of the present invention.
In the figure:
1-L type flat iron; 2-casting a platform plate in situ; 3-reinforcing steel bars; 4-prefabricating an outer wall structure; 5-a cross bar; 6-inner vertical rod of outer scaffold.
Detailed Description
The prefabricated structure outer frame drawknot structure and the construction method provided by the invention are further described in detail with reference to the attached drawings and specific embodiments. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention. For convenience of description, the directions of "up" and "down" described below are the same as the directions of "up" and "down" in the drawings, but this is not a limitation of the technical solution of the present invention.
Example one
The structural composition of the prefabricated structure external frame drawknot structure of the invention is described in detail below with reference to fig. 1.
A prefabricated structure outer frame drawknot structure comprises embedded parts and cross rods 5, wherein embedded ends of the embedded parts are connected with reinforcing steel bars 3 of a cast-in-place platform plate 2 and are integrally cast with the cast-in-place platform plate 2, and the cast-in-place platform plate 2 is used for connecting adjacent prefabricated outer wall structures 4; one end of the cross rod 5 is fixedly connected with the free end of the embedded part, and the other end of the cross rod 5 is fixedly connected with the outer scaffold.
Particularly, the prefabricated construction outrigger drawknot structure that this embodiment provided, it includes built-in fitting and horizontal pole 5, wherein the built-in fitting buries the end underground in cast-in-place landing slab 2, and with the 3 fixed connection of bottom reinforcing bar of cast-in-place landing slab 2, cast-in-place landing slab 2 is used for connecting adjacent prefabricated outer wall structure 4, the free end and the 5 fixed connection of horizontal pole of pre-buried 1 piece, the 6 fixed connection of pole setting in the 5 other ends of horizontal pole and the outer scaffold frame, thereby horizontal pole 5 supports cast-in-place landing slab 2 structures, prevent that the outer scaffold frame from toppling over to prefabricated outer wall structure. The drawknot structure solves the problem that the common steel pipe wall connecting piece collides with the prefabricated outer wall structure. Moreover, the step pitch and the span of the wall connecting piece can meet the design requirements. Through the setting that adopts the built-in fitting, when carrying out cast-in-place platform board 2's construction, need not to demolish even wall spare, guaranteed outer scaffold's support body stability, it is easy and simple to handle, save time, laborsaving.
In this embodiment, more preferably, in order to obtain convenient materials, save the cost, the built-in fitting is L type band iron, and L type band iron 1's long limit and horizontal pole 5 fixed connection, L type band iron 1's minor face and cast-in-place platform board 2's reinforcing bar 3 fixed connection.
In the present embodiment, it is more preferable that the L-shaped iron flats 1 are provided with a prepared hole at both the long and short side ends thereof in order to improve the convenience of connection.
In this embodiment, more preferably, in order to be used repeatedly and improve the construction efficiency, the cross bar 5 is connected with the L-shaped flat iron 1 by bolts, and the bolts respectively pass through the preformed holes at the end parts of the long sides of the L-shaped flat iron 1 and the cross bar 5 and are locked, so as to complete the connection of the cross bar 5 with the long sides of the L-shaped flat iron 1.
In this embodiment, more preferably, as an alternative connection mode of the bolt connection, the cross rod 5 is connected with the L-shaped flat iron 1 through a pin shaft, and the pins respectively penetrate through the preformed holes at the end parts of the long sides of the L-shaped flat iron 1 and the cross rod and are locked, so as to complete the connection of the cross rod and the long sides of the L-shaped flat iron 1.
In this embodiment, more preferably, in order to enhance the connection firmness of the L-shaped flat iron 1 and the cast-in-place slab 2, the L-shaped flat iron 1 is placed with its opening facing downward, and the bottom steel bar 3 of the cast-in-place slab 2 is fixed by passing through the reserved hole at the end of the short side of the L-shaped flat iron 1.
With reference to fig. 1, the present invention further provides a construction method of a prefabricated external frame drawknot structure, including the following steps:
step one, providing the prefabricated structure outer frame tie structure for standby, wherein the embedded part selects L-shaped flat irons 1 with openings at two ends;
step two, completing the hoisting of the prefabricated outer wall structure 4, binding bottom reinforcing steel bars 3 of the cast-in-place platform plate 2 on the hoisted prefabricated outer wall structure 4, meanwhile, placing the open end of the L-shaped flat iron 1 downwards, and enabling the reinforcing steel bars 3 to penetrate through a preformed hole at the end part of the short side of the L-shaped flat iron 1 to be connected and fixed;
and step three, carrying out concrete pouring construction on the cast-in-place platform plate 2, and respectively penetrating and locking bolts through the reserved holes in the long edges of the L-shaped flat iron 1 and the cross rod 5, so that the connection of the L-shaped flat iron 1 and the cross rod 5 is completed, and a drawknot structure is formed.
In this embodiment, it is more preferable that the cross bar 5 is fixedly connected to the inner vertical rod 6 of the outer scaffold, so that the cross bar 5 and the outer scaffold form a fixed connection, and the outer scaffold is prevented from toppling towards the direction of the prefabricated outer wall structure 4 by the action of the cross bar 5.
The above description is only illustrative of the preferred embodiments of the present invention and does not limit the scope of the present invention in any way. Any changes and modifications of the above disclosure by those skilled in the art are within the scope of the appended claims.
Claims (8)
1. The utility model provides a prefabricated construction outrigger drawknot structure which characterized in that includes:
the embedded end of the embedded part is connected with the steel bar of the cast-in-place platform plate and is cast with the cast-in-place platform plate into a whole, and the cast-in-place platform plate is used for connecting adjacent prefabricated outer wall structures;
one end of the cross rod is fixedly connected with the free end of the embedded part, and the other end of the cross rod is fixedly connected with the outer scaffold.
2. The precast structure outrigger drawknot structure of claim 1, wherein the embedded part is an L-shaped flat iron, the long side of the L-shaped flat iron is fixedly connected with the cross bar, and the short side of the L-shaped flat iron is fixedly connected with the steel bar of the cast-in-place platform plate.
3. The truss structure of the prefabricated structure outer frame according to claim 2, wherein the ends of the long side and the short side of the L-shaped flat iron are provided with prepared holes.
4. The truss structure of the prefabricated structure outrigger of claim 3 wherein the cross bar is connected with the L-shaped flat iron by bolts, and the bolts respectively pass through the preformed holes on the end of the long side of the L-shaped flat iron and the cross bar and are locked to complete the connection of the cross bar and the long side of the L-shaped flat iron.
5. The truss structure of the prefabricated structure outrigger of claim 3 wherein the cross bar is connected with the L-shaped band iron pin, and the pin is respectively passed through the preformed hole at the end of the long side of the L-shaped band iron and the cross bar and locked to complete the connection of the cross bar and the long side of the L-shaped band iron.
6. The precast structure outrigger drawknot structure of claim 3, wherein the L-shaped flat iron is placed with its opening downward, and the bottom steel bar of the cast-in-place platform slab is fixed by passing through the preformed hole at the end of the short side of the L-shaped flat iron.
7. A construction method of a prefabricated structure outer frame drawknot structure is characterized by comprising the following steps:
providing a prefabricated structure external frame drawknot structure as defined in any one of claims 1 to 6 for standby, wherein the embedded part is an L-shaped flat iron with two open ends;
step two, completing the hoisting of the prefabricated outer wall structure, binding bottom reinforcing steel bars of the cast-in-place platform plate on the hoisted prefabricated outer wall structure, meanwhile, placing the open end of the L-shaped flat iron downwards, and enabling the reinforcing steel bars to penetrate through a preformed hole at the end part of the short side of the L-shaped flat iron to be connected and fixed;
and step three, performing concrete pouring construction of the cast-in-place platform plate, and respectively penetrating and locking bolts through the reserved holes on the long sides of the L-shaped flat iron and the cross rods, so that the connection of the L-shaped flat iron and the cross rods is completed, and a drawknot structure is formed.
8. The construction method according to claim 7, wherein the ledgers are fixedly connected with the inner uprights of the outer scaffolding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911073958.2A CN110821142A (en) | 2019-11-06 | 2019-11-06 | Prefabricated structure outer frame drawknot structure and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911073958.2A CN110821142A (en) | 2019-11-06 | 2019-11-06 | Prefabricated structure outer frame drawknot structure and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110821142A true CN110821142A (en) | 2020-02-21 |
Family
ID=69552673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911073958.2A Pending CN110821142A (en) | 2019-11-06 | 2019-11-06 | Prefabricated structure outer frame drawknot structure and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110821142A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101892738A (en) * | 2010-08-20 | 2010-11-24 | 中太建设集团股份有限公司 | Embedded scaffold connecting tube and construction method thereof |
| CN103452304A (en) * | 2013-08-08 | 2013-12-18 | 广西建工集团第五建筑工程有限责任公司 | Inserted type outer frame L-type steel wall connecting piece structure free of scaffold hole and construction method thereof |
| DE102014006156A1 (en) * | 2014-04-28 | 2015-10-29 | Josef Harrer | gable teaching |
| CN205025078U (en) * | 2015-08-11 | 2016-02-10 | 中建二局第一建筑工程有限公司 | Be applied to drawknot system that outside support body and major structure are connected |
| CN106013763A (en) * | 2016-07-28 | 2016-10-12 | 江苏正方园建设集团有限公司 | Flat iron fastener type external scaffold wall connecting piece |
| CN205935621U (en) * | 2016-08-08 | 2017-02-08 | 云南建投第三建设有限公司 | Simple and easy outer scaffold frame and shear force wall connecting device |
| CN205976444U (en) * | 2016-07-28 | 2017-02-22 | 江苏正方园建设集团有限公司 | Outer scaffold frame of band iron fastener -style is wall spare even |
| CN207228607U (en) * | 2017-07-26 | 2018-04-13 | 中国建筑第二工程局有限公司 | A kind of external wall scaffold wall connecting piece |
| CN207727959U (en) * | 2017-12-08 | 2018-08-14 | 戴栋栋 | Construction scaffold band iron formula rigid connecting tube |
| CN212129882U (en) * | 2019-11-06 | 2020-12-11 | 上海建工七建集团有限公司 | Prefabricated construction outrigger drawknot structure |
-
2019
- 2019-11-06 CN CN201911073958.2A patent/CN110821142A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101892738A (en) * | 2010-08-20 | 2010-11-24 | 中太建设集团股份有限公司 | Embedded scaffold connecting tube and construction method thereof |
| CN103452304A (en) * | 2013-08-08 | 2013-12-18 | 广西建工集团第五建筑工程有限责任公司 | Inserted type outer frame L-type steel wall connecting piece structure free of scaffold hole and construction method thereof |
| DE102014006156A1 (en) * | 2014-04-28 | 2015-10-29 | Josef Harrer | gable teaching |
| CN205025078U (en) * | 2015-08-11 | 2016-02-10 | 中建二局第一建筑工程有限公司 | Be applied to drawknot system that outside support body and major structure are connected |
| CN106013763A (en) * | 2016-07-28 | 2016-10-12 | 江苏正方园建设集团有限公司 | Flat iron fastener type external scaffold wall connecting piece |
| CN205976444U (en) * | 2016-07-28 | 2017-02-22 | 江苏正方园建设集团有限公司 | Outer scaffold frame of band iron fastener -style is wall spare even |
| CN205935621U (en) * | 2016-08-08 | 2017-02-08 | 云南建投第三建设有限公司 | Simple and easy outer scaffold frame and shear force wall connecting device |
| CN207228607U (en) * | 2017-07-26 | 2018-04-13 | 中国建筑第二工程局有限公司 | A kind of external wall scaffold wall connecting piece |
| CN207727959U (en) * | 2017-12-08 | 2018-08-14 | 戴栋栋 | Construction scaffold band iron formula rigid connecting tube |
| CN212129882U (en) * | 2019-11-06 | 2020-12-11 | 上海建工七建集团有限公司 | Prefabricated construction outrigger drawknot structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106988483B (en) | A kind of assembled steel reinforced Concrete U Vierendeel girder and its connection steelframe | |
| CN201339250Y (en) | Stiffness structure framework beam preformed steel reinforcement framework structure | |
| CN107989447A (en) | A kind of large-scale earthing concrete tank dome steel support structure and installation method | |
| CN109680835B (en) | Self-supporting precast concrete wallboard, concrete wall, structural system and construction method | |
| CN201099989Y (en) | High altitude great cantilever reinforced concrete structure high formwork base | |
| CN212129882U (en) | Prefabricated construction outrigger drawknot structure | |
| CN112922237A (en) | Take telescopic assembled reinforced concrete post and girder steel connected node | |
| CN203034799U (en) | Tower hoist standard knot bearing overhead support formwork steel platform structure | |
| CN212897482U (en) | Construction platform for high-rise building overhanging structural layer | |
| CN210797296U (en) | Steel-concrete combination beam bridge floor flange plate bracket mounting structure | |
| CN104727446A (en) | Construction method of large aluminum alloy formwork at settlement joint | |
| CN209891551U (en) | Combined beam composed of steel beam and steel bar truss floor support plate | |
| CN217326423U (en) | Cast in situ concrete wall body exempts from to tear open mould and struts integrative structure | |
| CN110878522A (en) | Main tower lower cross beam construction system and construction method | |
| CN110821142A (en) | Prefabricated structure outer frame drawknot structure and construction method | |
| CN206753043U (en) | A kind of Structure Beam-column node Hou Jiao areas mould plate supporting device | |
| CN101881030A (en) | Split-mounting type foundation for tower crane | |
| CN206428805U (en) | A kind of concrete prefabricated balcony of assembled steel | |
| CN210507768U (en) | Novel prefabricated balcony | |
| CN113737966A (en) | Assembled RCS lotus root beam column connecting node and application thereof | |
| CN207032474U (en) | A kind of assembly concrete frame structure beam column rigid connection node | |
| CN218203905U (en) | Modular, adjustable hollow mound interior operation platform | |
| CN216740014U (en) | Support structure exempts from based on prefabricated component of assembly type structure | |
| CN114892969B (en) | Unsupported template system and construction method thereof | |
| CN212506226U (en) | Reinforced concrete steel pipe pile supporting structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200221 |
|
| WD01 | Invention patent application deemed withdrawn after publication |