CN114718215A - Novel post-cast UHPC (ultra high performance concrete) fabricated structural wall and construction method - Google Patents
Novel post-cast UHPC (ultra high performance concrete) fabricated structural wall and construction method Download PDFInfo
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- CN114718215A CN114718215A CN202210434998.0A CN202210434998A CN114718215A CN 114718215 A CN114718215 A CN 114718215A CN 202210434998 A CN202210434998 A CN 202210434998A CN 114718215 A CN114718215 A CN 114718215A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
- E04C2/06—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres reinforced
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/02—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance
- E04C5/03—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance with indentations, projections, ribs, or the like, for augmenting the adherence to the concrete
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/162—Connectors or means for connecting parts for reinforcements
- E04C5/163—Connectors or means for connecting parts for reinforcements the reinforcements running in one single direction
- E04C5/165—Coaxial connection by means of sleeves
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/168—Spacers connecting parts for reinforcements and spacing the reinforcements from the form
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- 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
-
- 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
A novel post-cast UHPC assembled structural wall and a construction method thereof comprise a prefabricated shear wall, a prefabricated plate and a casting layer, wherein the prefabricated shear wall is vertically connected with the prefabricated plate, the casting layer is cast at the joint of the prefabricated shear wall and the prefabricated plate, a stress rib in the wall is embedded in the prefabricated shear wall, an in-plate stress rib is arranged in the prefabricated plate, a transverse steel bar is arranged in the casting layer, the in-wall stress rib, the in-plate stress rib and the transverse steel bar are mutually lapped and anchored in the casting layer, and a grout layer is filled between the casting layer and the prefabricated shear wall on the upper layer; the invention adopts novel connecting nodes and a construction process, can effectively improve the standardization degree and the node connection performance of the assembled shear wall structure, and can reduce the usage amount of templates and indirectly save labor cost.
Description
Technical Field
The invention relates to the field of civil engineering, in particular to a novel post-cast UHPC assembled structural wall and a construction method thereof.
Background
The prefabricated building mainly comprises a prefabricated concrete structure, a steel structure, a modern wood structure building and the like, is a representative of a modern industrial production mode due to the adoption of standardized design, industrial production, assembly construction, information management and intelligent application, can solve the problems of high building energy consumption, high resource energy consumption, low building industry technology content, low production efficiency and the like of the traditional building production mode, and the UHPC as a novel cement-based material has the advantages of low energy consumption, high durability, high strength and the like, so that the prefabricated building is a civil engineering material which meets the requirements of energy-saving emission-reducing green buildings and has a far-reaching application prospect.
Although the prefabricated concrete structure has obvious advantages compared with a cast-in-place structure, on the other hand, the prefabricated concrete structure has the problems of low assembly rate, high transportation and installation difficulty, high cost and the like due to large wet workload, and the joint connection quality of the assembly member is generally difficult to ensure, so that the prefabricated concrete structure becomes the weakest link of a building, and the assembled structure has the following four disadvantages:
1. in the construction process, the post-pouring area of the laminated slab is large, and the prefabrication and assembly rate is low;
2. the truss steel bars of the prefabricated composite slab are in an exposed state, so that inconvenience is brought to transportation and stacking;
3. the post-casting of the node part can be carried out by still needing a supporting template on the outer side of the wall body, the construction process can be further optimized, and the cost can be further reduced;
4. the construction process of the existing assembly scheme is still complex, and the manual dependence is high.
Disclosure of Invention
In view of the technical problems in the background art, the invention provides a novel post-cast UHPC assembled structural wall and a construction method.
In order to solve the technical problems, the invention adopts the following technical scheme to realize:
the utility model provides a novel post-cast UHPC assembled structure wall, includes precast shear wall, prefabricated plate and pours the layer, precast shear wall and prefabricated plate are connected perpendicularly, pour the layer and pour the junction at precast shear wall and prefabricated plate, bury the interior atress muscle of wall in the precast shear wall, be equipped with the inboard atress muscle in the prefabricated plate, it is equipped with the horizontal reinforcing bar to pour the in situ, the interior atress muscle of wall, inboard atress muscle and horizontal reinforcing bar three are in pouring the in situ overlap joint anchor each other, it has the grout layer to pour to fill between layer and the prefabricated shear wall on the upper strata.
In the preferred scheme, the prefabricated shear wall comprises an upper layer and a lower layer, a grouting sleeve and an upper layer of wall connecting rib are embedded in the upper layer of prefabricated shear wall, the end part of the upper layer of wall connecting rib is sleeved in the grouting sleeve, a grouting preformed hole is formed in the grouting sleeve and communicated with the outside of the prefabricated shear wall, and a lower layer of wall connecting rib is embedded in the lower layer of prefabricated shear wall.
In the preferred scheme, one end of the lower wall connecting rib is buried in the lower prefabricated shear, the other end of the lower wall connecting rib penetrates through the pouring layer and the grout-setting layer and then is in lap joint with the upper wall connecting rib in the grouting sleeve, and mortar is filled in the grouting sleeve through the grouting reserved hole.
In the preferred scheme, a transverse anchoring rib and a longitudinal anchoring rib are embedded in the precast slab, the transverse anchoring rib and the longitudinal anchoring rib are of U-shaped structures, and the U-shaped bending part is anchored in the pouring layer.
In a preferable scheme, the end part of the prefabricated plate is provided with a groove, and the prefabricated plate is vertically connected with the shear wall to form an L-shaped vacant enclosing area.
In a preferable scheme, the anchoring length of the stress reinforcement in the slab in the pouring layer is greater than the reinforcement anchoring length laE of the anti-seismic member.
A construction method of a novel post-cast UHPC fabricated structural wall comprises the following steps:
the method comprises the following steps: prefabricating and processing the prefabricated shear wall and the prefabricated plate according to the structural requirements;
step two: hoisting the prefabricated shear wall in place and ensuring that the wall body of the prefabricated shear wall is vertical to the bottom surface;
step three: horizontally hoisting the prefabricated slab above the shear wall, slowly descending and adjusting the position to enable the edge of the prefabricated slab to be placed at the top edge of the prefabricated shear wall, and controlling the width of a placement area to be 100-150 mm;
step four: overlapping the U-shaped tail ends of the stress bars in the wall and the stress bars in the plate, and transversely connecting transverse steel bars in an overlapping section in a penetrating way;
step five: pouring and connecting ultrahigh-performance concrete UHPC at an L-shaped vacant enclosing area formed by enclosing the prefabricated shear wall groove and the prefabricated slab end groove to form a pouring layer;
step six: after the pouring layer is solidified to meet the requirement, hoisting an upper prefabricated shear wall at the upper part of the lower prefabricated shear wall, enabling a lower wall connecting rib to penetrate through the pouring layer and then to be in lap joint with an upper wall connecting rib in a grouting sleeve, and pouring a grout layer between the upper prefabricated shear wall and the pouring layer;
step seven: and injecting mortar into the grouting sleeve through the grouting reserved hole to connect the prefabricated shear wall, the prefabricated plate and the pouring layer into a whole.
This patent can reach following beneficial effect:
1. the pouring layer adopts ultra-high performance concrete (UHPC), so that the integral pouring amount of the concrete can be greatly reduced, and the assembly rate of the prefabricated material is improved;
2. according to the scheme, truss steel bars do not need to be additionally erected in the construction process, so that the reinforcement can be further optimized, and the reinforcement rate is reduced;
3. because the pouring layer in the scheme is post-poured in the closed enclosing area of the prefabricated shear wall and the prefabricated slab, a supporting template and a scaffold do not need to be arranged on the outer side of the prefabricated shear wall during construction, the construction process is simplified, the using amount of the template is reduced, and the labor cost is indirectly reduced;
4. building material in this scheme is all prefabricated material to there is not exposed truss reinforcing bar, makes the transportation and the stack of material more convenient.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a connection view of the overall structure of the present invention;
FIG. 2 is a schematic view of the connection of the internal stress bars and the anchoring bars of the present invention;
fig. 3 is a schematic view of the connection of the internal connecting ribs of the present invention.
In the figure: the prefabricated shear wall comprises a prefabricated shear wall 1, an upper-layer wall connecting rib 11, a lower-layer wall connecting rib 12, a grouting sleeve 13, a wall internal stress rib 14, a grouting preformed hole 15, a prefabricated plate 2, an in-plate stress rib 21, a transverse anchoring rib 22, a longitudinal anchoring rib 23, a pouring layer 3, a transverse reinforcing bar 31 and a grout-setting layer 4.
Detailed Description
As shown in fig. 1 and 2, the novel post-cast UHPC fabricated structural wall comprises a prefabricated shear wall 1, prefabricated panels 2 and a pouring layer 3, wherein the prefabricated shear wall 1 and the prefabricated panels 2 are vertically connected, the pouring layer 3 is poured at the joint of the prefabricated shear wall 1 and the prefabricated panels 2, and the pouring layer 3 is made of ultra-high performance concrete. The Ultra-High Performance Concrete is called UHPC (Ultra-High Performance Concrete) for short, and has Ultra-High durability and extremely excellent mechanical property. Compared with the traditional concrete material, the UHPC is selected as the post-cast joint connecting material, so that the construction is more convenient, and the durability, the strength and the toughness are better;
the prefabricated shear wall comprises a prefabricated shear wall 1, in-wall stress bars 14 embedded in the prefabricated shear wall 1, in-slab stress bars 21 arranged in a prefabricated slab 2, transverse steel bars 31 arranged in a pouring layer 3, the in-wall stress bars 14, the in-slab stress bars 21 and the transverse steel bars 31 are mutually overlapped and anchored in the pouring layer 3, the in-wall stress bars 14 and the in-slab stress bars 21 are designed into single U-shaped steel bars, good stability can be achieved by mutually overlapping U-shaped areas, and the transverse steel bars 31 are arranged at two corner points of the overlapping areas and used for stabilizing the in-wall stress bars 14 and the in-slab stress bars 21; and a grout layer 4 is filled between the pouring layer 3 and the upper prefabricated shear wall 1, and the thickness is generally controlled within 20 mm.
According to a preferable scheme, as shown in fig. 3, the prefabricated shear wall 1 comprises an upper layer and a lower layer, a grouting sleeve 13 and an upper layer wall connecting rib 11 are embedded in the upper layer of the prefabricated shear wall 1, the end part of the upper layer wall connecting rib 11 is sleeved in the grouting sleeve 13, a grouting preformed hole 15 is formed in the grouting sleeve 13 and communicated with the outside of the prefabricated shear wall 1, and a lower layer wall connecting rib 12 is embedded in the lower layer of the prefabricated shear wall 1; one end of the lower wall connecting rib 12 is buried in the lower prefabricated shear, the other end of the lower wall connecting rib 12 passes through the pouring layer 3 and the mortar sitting layer 4 and then is in lap joint with the upper wall connecting rib 11 in the grouting sleeve 13, and mortar is filled in the grouting sleeve 13 through the grouting reserved hole 15.
Preferably, as shown in fig. 3, a transverse anchoring rib 22 and a longitudinal anchoring rib 23 are embedded in the precast slab 2, the transverse anchoring rib 22 and the longitudinal anchoring rib 23 are U-shaped, and the U-shaped bending part is anchored in the pouring layer 3; and the upper layer of the bearing rib 21 in the prefabricated plate vertically passes through the lower part of the anchoring U-shaped rib 23 of the longitudinal interface, and the firmness of the connection of the prefabricated plate 2 can be further improved through the transverse anchoring rib 22 and the longitudinal anchoring rib 23.
Preferably, as shown in fig. 2, a groove is formed at the end of the precast slab 2, and the precast slab 2 is vertically connected with the shear wall to form an L-shaped vacant enclosure area; because the prefabricated slab 2 adopts the full prefabrication process and does not need to be provided with truss steel bars in the prefabrication process, the reinforcement can be further optimized, and the reinforcement rate is reduced. With the cancellation of the truss steel bars, the thickness of the plate is reduced to 100mm by the design requirement of the thickness of 120mm at the lowest (60 mm at the lowest of a prefabricated layer of the laminated plate and 60mm at the lowest of a post-cast layer of the laminated plate) in the traditional form; the prefabricated plates 2 are connected through the prefabricated shear walls 1 to form an L-shaped vacant enclosing area, so that the construction mode is changed from integral post-casting of the upper part of the traditional laminated plate to post-casting of the node part in the invention, the casting amount of a UHPC post-casting section is obviously reduced, the UHPC post-casting section is more energy-saving and environment-friendly, the construction process is simpler, and the construction efficiency is higher.
Preferably, as shown in fig. 2, the anchoring length of the reinforcement 21 in the slab in the pouring layer 3 is greater than the reinforcement anchoring length laE of the anti-seismic member, so as to ensure the anti-seismic performance of the precast slab 2.
Examples
A construction method of a novel post-cast UHPC fabricated structural wall comprises the following steps:
the method comprises the following steps: prefabricating and processing the prefabricated shear wall 1 and the prefabricated slab 2 according to the structural requirements;
step two: hoisting the prefabricated shear wall 1 in place, and fixing by utilizing an inclined support to ensure that the wall body of the prefabricated shear wall 1 is vertical to the bottom surface;
step three: horizontally hoisting the prefabricated slab 2 to the upper part of the shear wall, slowly descending and adjusting the position to enable the edge of the prefabricated slab 2 to be placed at the top edge of the prefabricated shear wall 1, and controlling the width of a placing area to be about 120 mm;
step four: overlapping the U-shaped tail ends of the wall internal stress bar 14 and the plate internal stress bar 21, and transversely connecting two transverse reinforcing steel bars 31 in an overlapping section in a penetrating manner;
step five: pouring and connecting ultra-high performance concrete (UHPC) at an L-shaped vacant enclosing area formed by enclosing the groove of the prefabricated shear wall 1 and the groove at the end part of the prefabricated plate 2 to form a pouring layer 3;
step six: standing for 1h, after the pouring layer 3 is solidified to meet the requirement, continuously hoisting the upper prefabricated shear wall 1 on the upper part of the lower prefabricated shear wall 1, enabling the lower wall connecting ribs 12 to penetrate through the pouring layer 3 and then to be mutually overlapped with the upper wall connecting ribs 11 in the grouting sleeve 13, pouring the grout-sitting layer 4 between the upper prefabricated shear wall 1 and the pouring layer 3, and setting the thickness of the grout-sitting layer 4 to be about 20 mm;
step seven: and injecting mortar into the grouting sleeve 13 through the grouting preformed hole 15 and sealing and filling the grouting sleeve, so that the prefabricated shear wall 1, the prefabricated plate 2 and the pouring layer 3 are connected into a whole.
The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the technical features described in the present invention can be combined with each other without conflicting with each other. The protection scope of the present invention is defined by the claims, and includes equivalents of technical features of the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the invention.
Claims (7)
1. The utility model provides a novel post-cast UHPC assembled structure wall, includes precast shear wall (1), prefabricated plate (2) and pours layer (3), its characterized in that: the prefabricated shear wall (1) and the prefabricated slab (2) are vertically connected, a pouring layer (3) is poured at the joint of the prefabricated shear wall (1) and the prefabricated slab (2), an in-wall stress bar (14) is buried in the prefabricated shear wall (1), an in-slab stress bar (21) is arranged in the prefabricated slab (2), a transverse steel bar (31) is arranged in the pouring layer (3), the in-wall stress bar (14), the in-slab stress bar (21) and the transverse steel bar (31) are mutually overlapped and anchored in the pouring layer (3), and a mortar layer (4) is filled between the pouring layer (3) and the upper prefabricated shear wall (1).
2. The new post-cast UHPC fabricated structural wall of claim 1, wherein: prefabricated shear wall (1) contains two-layer from top to bottom, it has grout sleeve (13) and upper wall body splice bar (11) to bury underground in upper prefabricated shear wall (1), and the tip of upper wall body splice bar (11) cup joints in grout sleeve (13), is equipped with grout preformed hole (15) on grout sleeve (13) and is linked together with prefabricated shear wall (1) outside, buries lower floor's wall body splice bar (12) underground in lower floor's prefabricated shear wall (1).
3. The new post-cast UHPC fabricated structural wall of claim 2, wherein: one end of a lower wall connecting rib (12) is buried in the lower prefabricated shear force, the other end of the lower wall connecting rib (12) penetrates through the pouring layer (3) and the mortar sitting layer (4) and then is in lap joint with an upper wall connecting rib (11) in the grouting sleeve (13), and mortar is filled in the grouting sleeve (13) through the grouting reserved hole (15).
4. The new post-cast UHPC fabricated structural wall of claim 1, wherein: transverse anchoring ribs (22) and longitudinal anchoring ribs (23) are embedded in the precast slabs (2), the transverse anchoring ribs (22) and the longitudinal anchoring ribs (23) are of U-shaped structures, and U-shaped bending parts are anchored in the pouring layer (3).
5. The new post-cast UHPC fabricated structural wall of claim 4, characterized in that: the end part of the precast slab (2) is provided with a groove, and the precast slab (2) is vertically connected with the shear wall to form an L-shaped vacant enclosing area.
6. The new post-cast UHPC fabricated structural wall of claim 1, wherein: the anchoring length of the in-plate stress bar (21) in the pouring layer (3) is larger than the steel bar anchoring length (laE) of the anti-seismic member.
7. A construction method of a novel post-cast UHPC fabricated structural wall is characterized by comprising the following steps: the construction method comprises the following steps:
the method comprises the following steps: prefabricating and processing the prefabricated shear wall (1) and the prefabricated slab (2) according to the structural requirements;
step two: hoisting the prefabricated shear wall (1) in place and ensuring that the wall body of the prefabricated shear wall (1) is vertical to the bottom surface;
step three: horizontally hoisting the precast slab (2) above the shear wall, slowly descending and adjusting the position to enable the edge of the precast slab (2) to be placed at the top edge of the precast shear wall (1), and controlling the width of a placing area to be 100-150 mm;
step four: overlapping the U-shaped tail ends of the wall internal stress bar (14) and the plate internal stress bar (21) and transversely connecting a transverse steel bar (31) in an overlapping section in a penetrating way;
step five: pouring and connecting ultra-high performance concrete (UHPC) at an L-shaped vacant enclosing region formed by enclosing a groove of the prefabricated shear wall (1) and a groove at the end part of the prefabricated plate (2) to form a pouring layer (3);
step six: after the pouring layer (3) is solidified to meet the requirement, hoisting an upper prefabricated shear wall (1) at the upper part of the lower prefabricated shear wall (1), enabling a lower wall connecting rib (12) to penetrate through the pouring layer (3) and then to be mutually overlapped with an upper wall connecting rib (11) in a grouting sleeve (13), and pouring a mortar sitting layer (4) between the upper prefabricated shear wall (1) and the pouring layer (3);
step seven: mortar is injected into the grouting sleeve (13) through the grouting preformed hole (15), so that the prefabricated shear wall (1), the prefabricated plate (2) and the pouring layer (3) are connected into a whole.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210434998.0A CN114718215A (en) | 2022-04-24 | 2022-04-24 | Novel post-cast UHPC (ultra high performance concrete) fabricated structural wall and construction method |
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| CN202210434998.0A CN114718215A (en) | 2022-04-24 | 2022-04-24 | Novel post-cast UHPC (ultra high performance concrete) fabricated structural wall and construction method |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102433945A (en) * | 2011-08-30 | 2012-05-02 | 东南大学 | Vertical mixed connection structure and method of prefabricated internal wallboards for assembling shear wall structure |
| CN107989184A (en) * | 2017-12-28 | 2018-05-04 | 上海建工二建集团有限公司 | Prefabricated frame system and method for node prefabrication and UHPC post-cast connection |
| CN214195056U (en) * | 2020-08-31 | 2021-09-14 | 广东省建科建筑设计院有限公司 | Prefabricated shear wall with assembling holes arranged in staggered mode reserved in assembling mode and assembling structure of prefabricated shear wall |
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- 2022-04-24 CN CN202210434998.0A patent/CN114718215A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102433945A (en) * | 2011-08-30 | 2012-05-02 | 东南大学 | Vertical mixed connection structure and method of prefabricated internal wallboards for assembling shear wall structure |
| CN107989184A (en) * | 2017-12-28 | 2018-05-04 | 上海建工二建集团有限公司 | Prefabricated frame system and method for node prefabrication and UHPC post-cast connection |
| CN214195056U (en) * | 2020-08-31 | 2021-09-14 | 广东省建科建筑设计院有限公司 | Prefabricated shear wall with assembling holes arranged in staggered mode reserved in assembling mode and assembling structure of prefabricated shear wall |
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