CN107246105A - Cancel the construction and construction method of beard muscle in a kind of concrete prefabricated board plate end - Google Patents
Cancel the construction and construction method of beard muscle in a kind of concrete prefabricated board plate end Download PDFInfo
- Publication number
- CN107246105A CN107246105A CN201710265796.7A CN201710265796A CN107246105A CN 107246105 A CN107246105 A CN 107246105A CN 201710265796 A CN201710265796 A CN 201710265796A CN 107246105 A CN107246105 A CN 107246105A
- Authority
- CN
- China
- Prior art keywords
- prefabricated board
- concrete
- concrete prefabricated
- plate end
- slotted eye
- 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.)
- Granted
Links
Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
- E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
- E04B5/38—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element
-
- 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
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
-
- 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
- E04C2002/001—Mechanical features of panels
- E04C2002/004—Panels with profiled edges, e.g. stepped, serrated
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The present invention relates to the construction and construction method that beard muscle is cancelled at concrete prefabricated board plate end, belong to building structure technology field.The present invention includes concrete prefabricated board and top concrete last layer, concrete prefabricated board plate end does not go out muscle, wedge-shaped slotted eye is provided with the plate end bearing of concrete prefabricated board, slotted eye is uniformly distributed in concrete prefabricated board between steel bar stress, slotted eye depth is less than concrete prefabricated plate thickness, concrete prefabricated board plate end is connected with vertical support beam or wall, cloth reserved steel bar above vertical support beam or wall;Top concrete last layer is firmly connected with concrete prefabricated board formation concrete folding plate, concrete prefabricated board by the rear pouring concrete in wedge-shaped slotted eye with last layer and adjacent members.The construction of beard muscle is cancelled at the concrete prefabricated board plate end of the present invention, and connection effect is fully equivalent to the connecting structure of existing use beard muscle, effectively improves the globality and security of assembled monolithic concrete structure, clearly, easy construction is economical and practical for force-mechanism.
Description
Technical field
The present invention cancels at a kind of concrete prefabricated board plate end the construction and construction method of beard muscle, applied to assembled integral
In concrete structure, belong to building structure technology field.
Background technology
In assembled monolithic concrete structure, last layer is typically set, to realize the connection between prefabricated components.Wherein
Prefabricated components, which need to stretch out after reinforcing bar (beard muscle) is anchored in, to be poured in section, to ensure being reliably connected between adjacent members, makes knot
The overall performance of structure is equivalent or close to cast-in-place structural.Above-mentioned construction power transmission is reliable, but connecting structure is complicated, especially at bearing
(including beam and wall), concrete prefabricated board end protruding bar (beard muscle) and wall reserve vertical reinforcement (or coupling beam stirrup), after
Pour the additional vertical muscle three-dimensional of band to intersect, collide with each other, construction is complicated, difficulty of construction is big.
In order to solve this problem, simplify construction and construct, it is considered to conventional concrete prefabricated board end is transformed, taken
The reinforcing bar that disappears is overhanging (cancelling beard muscle), while the wedge-shaped slotted eye of a row is reserved at plate end, after concrete prefabricated board lifting is in place,
Pouring concrete formation superimposed sheet structure in slotted eye and its behind top.
Due to eliminating the beard muscle at plate end, construction is enormously simplify, concrete prefabricated board makes, transported and site operation
Difficulty is all substantially reduced, while concrete prefabricated board is firmly connected by the rear pouring concrete in slotted eye with last layer and adjacent members
Connect, connection effect is fully equivalent to the connecting structure of existing use beard muscle, effectively improves assembled monolithic concrete structure
Globality and security.
The content of the invention
The present invention proposes the construction and construction method that beard muscle is cancelled at a kind of concrete prefabricated board plate end, can solve existing
There is concrete prefabricated board plate end problem such as reinforcing bar conflict, constructional difficulties at bearing in assembled monolithic concrete structure.
The construction of beard muscle is cancelled at described concrete prefabricated board plate end, eliminates concrete prefabricated board and brings out reinforcing bar (recklessly
Sub- muscle), it is to avoid the problem of reinforcing bar conflicts, while by reserved at plate end slotted eye and after pouring concrete method, make concrete
Prefabricated board is realized with last layer, concrete prefabricated board and adjacent members and is reliably connected, and connection effect is fully equivalent to existing adopt
With the connecting structure of beard muscle, clearly, simple structure, easy construction is economical and practical for mechanical concept, it is easy to accomplish.
Technical scheme is as follows:
Cancel the construction of beard muscle in a kind of concrete prefabricated board plate end, it is characterised in that it is pre- that described construction includes concrete
Making sheet and top concrete last layer;The concrete prefabricated board plate end does not go out muscle, the plate end bearing of the concrete prefabricated board
Place is provided with wedge-shaped slotted eye, and slotted eye is uniformly distributed in concrete prefabricated board between steel bar stress, and it is pre- that slotted eye depth is less than concrete
Making sheet thickness, the concrete prefabricated board plate end is connected with vertical support beam or wall, and cloth reserves steel above vertical support beam or wall
Muscle;The top concrete last layer passes through wedge-shaped slot with concrete prefabricated board formation concrete folding plate, concrete prefabricated board
Rear pouring concrete in hole is firmly connected with last layer and adjacent members.
The bore size calculation formula of the wedge-shaped slotted eye:min{2bh(0.7ft),ahft} >=T/n, h are perforate depth, b
Long for hole, a is aperture width, and n is the number of openings, ftFor rear pouring concrete tensile strength, with beard muscle pulling capacity etc. according to T
Pulling capacity suffered by the plate end that strong principle is determined.
Cancel the construction method of the construction of beard muscle in a kind of concrete prefabricated board plate end, it is characterised in that this method includes
Following steps:
A. the concrete prefabricated board that prefabrication plate end is slotted, slotted eye wedgewise, position of opening is located at concrete prefabricated board
Between interior steel bar stress, slotted eye depth is less than concrete prefabricated plate thickness;
B. on-site hoisting concrete prefabricated board, concrete prefabricated board plate end is connected with vertical support beam or wall;
C. colligation and the steel bar stress in last layer is installed (steel bar arrangement in last layer belongs to is not had on routine techniques, figure
There is display);
D. using concrete prefabricated board and vertical support beam or wall as template, in wedge-shaped slotted eye and concrete prefabricated board top
Pouring concrete, makes concrete prefabricated board and top concrete last layer formation concrete folding plate afterwards.
The reserved steel bar of vertical supporting beam or wall is completed before prefabricated board installation, belongs to routine techniques, is no longer gone to live in the household of one's in-laws on getting married herein
State.
According to described construction method, it is characterised in that the bore size calculation formula of wedge-shaped slotted eye: min{2bh
(0.7ft),ahft} >=T/n, h are perforate depth, and b is that hole is long, and a is aperture width, and n is the number of openings, ftFor rear pouring concrete
Pulling capacity suffered by the plate end determined according to tensile strength, T with the strong principle such as beard muscle pulling capacity.
The present invention has following remarkable result relative to prior art:
(1) protruding bar for eliminating concrete prefabricated board plate end (cancels beard muscle, because the presence of beard muscle is to mixed
Solidifying soil prefabricated board is installed brings difficult and inconvenience), simplify the reinforcement constitution at bearing, it is to avoid applying caused by reinforcing bar conflict
The problems such as work difficulty.(2) plate end adds wedge-shaped slotted eye, and concrete prefabricated board passes through the rear pouring concrete and last layer in slotted eye
And adjacent members are firmly connected, connection effect is fully equivalent to the connecting structure of existing use beard muscle, so as to effectively improve dress
Globality and security with Integratde concrete struction.(3) the construction power transmission and force-mechanism clearly, can according to beard muscle
The strong principle such as pulling capacity determines the size of reserved slotted eye, and simple structure, easy construction is economical and practical.
Brief description of the drawings
Fig. 1 for the present invention each part relativeness perspective view (only provide intermediate support construction, side pedestal configurations with
Intermediate support construction is similar, is repeated no more on figure).
Fig. 2 is Fig. 1 left side view
Fig. 3 is Fig. 2A-A profiles.
In figure:1-plate end fluting concrete prefabricated board;Steel bar stress in 2-concrete prefabricated board;3-wedge shape slotted eye;
4-top concrete last layer;5-vertical support beam or wall;The reserved steel bar of 6-backbar or wall.
Fig. 4 is the force analysis of wedge-shaped concrete block in slotted eye.
In figure:H is perforate depth, and b is that hole is long, and a is aperture width, n be according to the number of openings, T with beard muscle drawing
Pulling capacity suffered by the plate end that the strong principle such as power is determined, T/n is pulling capacity suffered by single wedge-shaped concrete block, and V is wedge-shaped concrete
It is suffered on the potential shear failure plane of block to shear.
Embodiment
Below in conjunction with accompanying drawing, structure, work progress to the present invention are further described as follows.
As shown in figure 1, the construction that beard muscle is cancelled at a kind of concrete prefabricated board plate end of the present invention is mixed including plate end fluting
Solidifying soil prefabricated board 1 and top concrete last layer 4, wherein concrete prefabricated board 1 do not go out muscle construction using plate end and (cancel beard
Muscle), the termination of steel bar stress 2 is held level with both hands together with the plate of concrete prefabricated board 1 in concrete prefabricated board, while reserved one at the bearing of plate end
The wedge-shaped slotted eye 3 of row, wedge-shaped slotted eye 3 is uniformly distributed in concrete prefabricated board between steel bar stress 2, and slotted eye depth is less than concrete
The thickness of prefabricated board 1, it is ensured that the integrality at the plate bottom of concrete prefabricated board 1, it is allowed to which it continues to carry out top concrete as template
Pour.
Bore size is calculated according to the force analysis of wedge-shaped concrete block in Fig. 4 slotted eyes.As shown in Figure 3, it is assumed that open
Hole depth is h, and a length of b in hole, aperture width is a, and the number of openings is n, and the basis principle strong with beard muscle pulling capacity etc. first is true
Pulling capacity T suffered by fixed board end, then pulling capacity suffered by single wedge-shaped concrete block is T/n, it is considered to which pouring concrete tensile strength is afterwards
ft, then bore size should meet formula min { 2bh (0.7ft),ahft}≥T/n。
As shown in figure 1, the plate end of concrete prefabricated board 1 is connected with vertical support beam or wall 5, concrete prefabricated board 1 is due to plate
End use not go out muscle to construct, thus when installing the reserved steel bar 6 of unsupported beam or wall influence, it is to avoid the intersection of reinforcing bar with
Conflict, constructs very convenient.It is that template carries out pouring for concrete with concrete prefabricated board 1 and vertical support beam or wall 5, is formed
Top concrete last layer 4, concrete folding plate is constituted with concrete prefabricated board 1.
As shown in Figures 2 and 3, rear pouring concrete enters in wedge-shaped slotted eye 3 simultaneously, concrete prefabricated board 1 is mixed with top
Solidifying soil last layer 4, concrete prefabricated board 1 form close connection with adjacent members, effectively improve assembled monolithic concrete structure
Globality.
The present invention construction method be:
The construction of beard muscle is cancelled at concrete prefabricated board plate end of the present invention, and its construction method is as follows:Prefabrication
The concrete prefabricated board 1 of plate end fluting, the wedgewise of slotted eye 3, position of opening is located in concrete prefabricated board between steel bar stress 2,
Slotted eye depth is less than the thickness of concrete prefabricated board 1, and bore size is determined according to the strong principle such as beard muscle pulling capacity;Hang at scene
Concrete prefabricated board 1 is filled, the plate end of concrete prefabricated board 1 is connected with vertical support beam or wall 5;Colligation and install in last layer by
It is template with concrete prefabricated board 1 and vertical support beam or wall 5 after power reinforcing bar, in the wedge-shaped slotted eye 3 and concrete prefabricated board 1
Pouring concrete behind top, makes concrete prefabricated board 1 and the formation concrete folding plate of top concrete last layer 4.
The present invention proposes the construction and construction method that beard muscle is cancelled at a kind of concrete prefabricated board plate end, solves existing
In assembled monolithic concrete structure concrete prefabricated board plate end stretch out beard muscle constructed at bearing complexity, reinforcing bar conflict,
The problems such as constructional difficulties.By the method in the reserved wedge-shaped slotted eye in plate end and rear pouring concrete, concrete prefabricated board is set to be poured with after
Layer, concrete prefabricated board and adjacent members are realized and are reliably connected, and connection effect is fully equivalent to the company of existing use beard muscle
Construction is connect, clearly, simple structure, easy construction is economical and practical for mechanical concept, it is easy to accomplish.
Claims (4)
1. the construction of beard muscle is cancelled at a kind of concrete prefabricated board plate end, it is characterised in that described construction includes concrete prefabricated
Plate and top concrete last layer;The concrete prefabricated board plate end does not go out at muscle, the plate end bearing of the concrete prefabricated board
Wedge-shaped slotted eye is provided with, slotted eye is uniformly distributed in concrete prefabricated board between steel bar stress, slotted eye depth is less than concrete prefabricated
Plate thickness, the concrete prefabricated board plate end is connected with vertical support beam or wall, cloth reserved steel bar above vertical support beam or wall;
The top concrete last layer passes through in wedge-shaped slotted eye with concrete prefabricated board formation concrete folding plate, concrete prefabricated board
Rear pouring concrete be firmly connected with last layer and adjacent members.
2. the construction of beard muscle is cancelled at concrete prefabricated board plate end according to claim 1, it is characterised in that the wedge shape
The bore size calculation formula of slotted eye:min{2bh(0.7ft),ahft} >=T/n, h are perforate depth, and b is that hole is long, and a is that aperture is wide
Degree, n is the number of openings, ftFor rear pouring concrete tensile strength, the plate end determined according to T with the strong principle such as beard muscle pulling capacity
Suffered pulling capacity.
3. the construction method of the construction of beard muscle is cancelled at a kind of concrete prefabricated board plate end, it is characterised in that this method include with
Lower step:
A. prefabrication plate end fluting concrete prefabricated board, slotted eye wedgewise, position of opening be located at concrete prefabricated board in by
Between power reinforcing bar, slotted eye depth is less than concrete prefabricated plate thickness;
B. on-site hoisting concrete prefabricated board, concrete prefabricated board plate end is connected with vertical support beam or wall;
C. colligation and the steel bar stress in last layer is installed;
D. using concrete prefabricated board and vertical support beam or wall as template, poured in wedge-shaped slotted eye and behind concrete prefabricated board top
Concrete, makes concrete prefabricated board and top concrete last layer formation concrete folding plate.
4. the construction method according to right 3, it is characterised in that the bore size calculation formula of wedge-shaped slotted eye:min{2bh
(0.7ft),ahft} >=T/n, h are perforate depth, and b is that hole is long, and a is aperture width, and n is the number of openings, ftFor rear pouring concrete
Pulling capacity suffered by the plate end determined according to tensile strength, T with the strong principle such as beard muscle pulling capacity.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710265796.7A CN107246105B (en) | 2017-04-21 | 2017-04-21 | Cancel the construction and construction method of beard muscle in a kind of concrete prefabricated board plate end |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710265796.7A CN107246105B (en) | 2017-04-21 | 2017-04-21 | Cancel the construction and construction method of beard muscle in a kind of concrete prefabricated board plate end |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107246105A true CN107246105A (en) | 2017-10-13 |
CN107246105B CN107246105B (en) | 2018-06-12 |
Family
ID=60017212
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710265796.7A Active CN107246105B (en) | 2017-04-21 | 2017-04-21 | Cancel the construction and construction method of beard muscle in a kind of concrete prefabricated board plate end |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107246105B (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109881833A (en) * | 2019-01-23 | 2019-06-14 | 清华大学 | The folding plate combined beam of longitudinal shear resistance reinforcing bar and prefabricated board separation |
CN110130505A (en) * | 2019-05-31 | 2019-08-16 | 广州地铁设计研究院股份有限公司 | A kind of connecting node of the prefabricated board of trough of belt |
CN110512785A (en) * | 2019-09-27 | 2019-11-29 | 福建工程学院 | A kind of end tongue and groove does not go out the unidirectional superimposed sheet of muscle and formwork erecting structure and construction method |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07229236A (en) * | 1994-02-18 | 1995-08-29 | Ube Ind Ltd | Manufacture of cement product having colored pattern |
JP2008069579A (en) * | 2006-09-15 | 2008-03-27 | Misawa Homes Co Ltd | Paving stone body base, method of manufacturing paving stone body and method of manufacturing paving stone body base |
CN102635197A (en) * | 2012-04-27 | 2012-08-15 | 初明进 | Prefabricated reinforced concrete component with grooves and manufacturing method thereof |
CN103572873A (en) * | 2012-07-20 | 2014-02-12 | 初明进 | Assembled monolithic floor slab and construction method thereof |
CN103669706A (en) * | 2013-12-15 | 2014-03-26 | 王睿敏 | T-shaped assembling integral type shear wall external wall panel and construction method |
CN205116537U (en) * | 2015-11-05 | 2016-03-30 | 中国建筑股份有限公司 | Reinforced concrete superimposed sheet and joint construction thereof |
-
2017
- 2017-04-21 CN CN201710265796.7A patent/CN107246105B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07229236A (en) * | 1994-02-18 | 1995-08-29 | Ube Ind Ltd | Manufacture of cement product having colored pattern |
JP2008069579A (en) * | 2006-09-15 | 2008-03-27 | Misawa Homes Co Ltd | Paving stone body base, method of manufacturing paving stone body and method of manufacturing paving stone body base |
CN102635197A (en) * | 2012-04-27 | 2012-08-15 | 初明进 | Prefabricated reinforced concrete component with grooves and manufacturing method thereof |
CN103572873A (en) * | 2012-07-20 | 2014-02-12 | 初明进 | Assembled monolithic floor slab and construction method thereof |
CN103669706A (en) * | 2013-12-15 | 2014-03-26 | 王睿敏 | T-shaped assembling integral type shear wall external wall panel and construction method |
CN205116537U (en) * | 2015-11-05 | 2016-03-30 | 中国建筑股份有限公司 | Reinforced concrete superimposed sheet and joint construction thereof |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109881833A (en) * | 2019-01-23 | 2019-06-14 | 清华大学 | The folding plate combined beam of longitudinal shear resistance reinforcing bar and prefabricated board separation |
CN109881833B (en) * | 2019-01-23 | 2024-01-30 | 清华大学 | Superimposed sheet composite beam with longitudinal shear steel bars and precast slabs separated |
CN110130505A (en) * | 2019-05-31 | 2019-08-16 | 广州地铁设计研究院股份有限公司 | A kind of connecting node of the prefabricated board of trough of belt |
CN110512785A (en) * | 2019-09-27 | 2019-11-29 | 福建工程学院 | A kind of end tongue and groove does not go out the unidirectional superimposed sheet of muscle and formwork erecting structure and construction method |
CN110512785B (en) * | 2019-09-27 | 2024-05-10 | 福建工程学院 | Unidirectional superimposed sheet with no rib at end rabbet and formwork structure and construction method |
Also Published As
Publication number | Publication date |
---|---|
CN107246105B (en) | 2018-06-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN204386002U (en) | A kind of precast assemble floor system | |
CN107246107A (en) | Cancel the construction and construction method of beard muscle in a kind of concrete prefabricated board plate end | |
CN106049733B (en) | A kind of honeycomb hole profiled sheet sandwich hollow slab | |
CN107905363B (en) | A kind of full assembled concrete nodal point connecting and connection method based on energy consumption with shearing resistance | |
CN107246105A (en) | Cancel the construction and construction method of beard muscle in a kind of concrete prefabricated board plate end | |
CN110273481B (en) | Connecting node of double-steel-plate combined shear wall and floor slab and construction method thereof | |
CN105544798B (en) | Assembled hollow slab shear wall structure and construction method thereof | |
CN109356281A (en) | A kind of prefabricated reinforcing bar-combined concrete shear wall splicing apparatus and application method | |
CN209799000U (en) | High-strength bottom rib anchoring type prefabricated frame beam column joint | |
CN107905426A (en) | A kind of building method of bidirectional hollow laminated floor slab | |
CN209760578U (en) | Novel hidden beam type connecting full-prefabricated plate structure | |
CN108330831A (en) | Steel locker format Suo-tower connection structure and preparation method thereof | |
CN108265856B (en) | Steel plate embedded type PC shear wall splicing node structure | |
CN101831868A (en) | Connecting node structure of steel rod elements and concrete plate | |
CN107419810A (en) | A kind of rectangular steel-tube concrete column and beam and slab type superstructure attachment means and its construction technology | |
CN110005053A (en) | One kernel texture assembly assembling frame structure and its method of construction | |
CN210164120U (en) | Beam slab structure | |
CN109610654A (en) | Prefabricated assembly type double-steel-plate concrete shear wall connecting assembly and using method thereof | |
CN112031209A (en) | Sleeve-free grouting sandwich heat-insulation shear wall system | |
CN107313508A (en) | A kind of prefabricated assembled primary-secondary beam mounting structure and installation method | |
CN207727762U (en) | Assembled beam-column connecting node | |
CN105937270A (en) | Novel prefabricated building connecting joint | |
CN205444565U (en) | Wallboard connected node | |
CN205444555U (en) | Wallboard connected node | |
CN115142576A (en) | Prefabricated double-steel-plate concrete combined shear wall dry-type connecting joint and construction method |
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 | ||
GR01 | Patent grant | ||
GR01 | Patent grant |