CN107401220A - A kind of beam connecting node of assembly concrete framework - Google Patents
A kind of beam connecting node of assembly concrete framework Download PDFInfo
- Publication number
- CN107401220A CN107401220A CN201710876837.6A CN201710876837A CN107401220A CN 107401220 A CN107401220 A CN 107401220A CN 201710876837 A CN201710876837 A CN 201710876837A CN 107401220 A CN107401220 A CN 107401220A
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- China
- Prior art keywords
- coupling part
- connecting plate
- connecting node
- node
- assembly concrete
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Classifications
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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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/21—Connections specially adapted therefor
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a kind of beam connecting node of assembly concrete framework, including left coupling part, right coupling part, hoop plate, left coupling part is overlapping to be overlapped on outside right coupling part and is welded, hoop sleeve-board is outside left coupling part and is welded, after the completion of connection, in connecting node opening position formwork, filling polyurethane material.Opened up in the middle part of beam connecting node and weaken hole.The beam connecting node of the assembly concrete framework of the present invention, mounting process is simple, convenient and reliable, in geometric aspects, is especially horizontally oriented, and has certain regulating error ability.The gross cross-sectional bearing capacity of linkage section is slightly above connected Concrete Beam Segment; the cross section at connection medium position is weakened by perforate after welding; make its bearing capacity less than the non-weakened part of connection and Concrete Beam Segment part; to ensure when uncommon incident occurs; the connecting node is being weakened position centralized development plasticity, consumed energy, to protect the safety of other parts.
Description
Technical field
The present invention relates to a kind of beam attachment structure of concrete frame, more particularly to a kind of fabricated concrete frame
Beam connecting node, belong to technical field of structural engineering.
Background technology
Prefabricated concrete structure is the concrete knot being formed by connecting using prefabricated components as main bearing member through assembling
Structure.Precast reinforced concrete structure is one of important directions of China's building structure development, and it is advantageous to China's building industry
The development of change, improve production efficiency and save the energy, develop Green environmental-protection building, and be advantageous to improve and ensure architectural engineering matter
Amount.Compared with cast-in-situ construction method, assembled reinforced concrete structure is advantageous to green construction, because fabricated construction can more meet green and apply
Saving land, save, saving the requirement such as material, water saving and environmental protection for work, reduces the negative effect to environment, including reduce noise, prevent
Only airborne dust, reduce environmental pollution, clean transport, reduce place interference, save water, electricity, resource and the energy such as material, it then follows can hold
The principle of supervention exhibition.Prefabricated concrete structure is the important feature form of assembled architecture, has construction quick, green
The advantages of, currently widely popularize, quickly grow, have a bright future.
The content of the invention
Lapped one another and passed through by the pre-manufactured steel linkage section being embedded in advance in beams of concrete it is an object of the invention to provide a kind of
Fillet weld seam connects, so as to the beam connecting node that the left and right Concrete Beam Segment of assembly concrete framework is connected as a single entity, tool
There is safe and reliable, convenient construction, be easy to the characteristics of maintenance and reinforcement.
Technical scheme is as follows：
A kind of beam connecting node of assembly concrete framework, including left coupling part, right coupling part, hoop plate, Zuo Lian
Connect to partly overlap and be overlapped on outside right coupling part and welded, hoop sleeve-board is outside left coupling part and is welded, and connects
After the completion of, in connecting node opening position formwork, filling polyurethane material.The beam connection section of the assembly concrete framework of the present invention
Point laps one another with right coupling part by left coupling part and connected by fillet weld seam, so that by assembly concrete frame
The left and right Concrete Beam Segment of frame is connected as a single entity, and has safe and reliable, convenient construction, is easy to the characteristics of maintenance and reinforcement.The present invention's
Beam connecting node finally irrigates filling (construction technology is identical with concrete) with polyurethane material, connecting node is in dimensioning
It is very little identical with Concrete Beam Segment.Polyurethane material acts on of both having, first, the 10 blocks of steel plates and hoop that will form connecting node
Plate bonds constraint together, makes its harmonious, cooperation；Second, filling and closing the space at connecting node, avoid saving
Point corrosion, protection node can in total service life reliably working.
As a further improvement on the present invention, the right coupling part includes connecting in one piece of upper right connecting plate, two pieces of right sides
Plate and one piece of bottom right connecting plate, the upper right connecting plate and bottom right connecting plate are channel-section, and connecting plate is " ━ " in the right side
Tee section, the left coupling part include two pieces of upper left connecting plates, two pieces of left connecting plates, two pieces of lower-left connecting plates, the left side
Upper junction plate and lower-left connecting plate are " ┗ " tee section, and the left connecting plate is " ━ " tee section.Using the steel of this structure
The connecting node of plate composition has the advantages of simple in construction, to assemble convenient and efficient, be connected firmly.
As a further improvement on the present invention, opened up in the middle part of beam connecting node and weaken hole, perforate section is in normal use
Elasticity is kept under state, is surrendered first when the external world loads and is beyond the bearing capacity limiting condition, and reliably develop modeling in this region
Property, ultimately form plastic hinge.At the middle part of the connecting node, section is weakened by perforate, becomes " the insurance of beam
Silk " and " safety valve ".Perforate size is determined by design, section where it is in elastic shape under structure normal operating condition
State；When uncommon incident occurs, steel are surrendered first herein, are reliably developed plasticity, are ultimately formed plastic hinge, with this come the company of protection
Connect the safety of other positions and connected Concrete Beam Segment.Again because plasticity is weakening section centralized development, so afterwards only
Need to repair the destruction part at perforate section or local replace can complete repair, reparation difficulty is dropped significantly
It is low.
As a further improvement on the present invention, the weakening hole offers 14 altogether, and position of opening is：Every piece of upper left connection
The middle part of two corner side correspondence position difference perforates of plate and lower-left connecting plate, upper right connecting plate and bottom right connecting plate is corresponding
Distinguish perforate, the symmetric position difference perforate of every piece of left connecting plate in position.This heap accepted way of doing sth perforate design for weakening hole is favourable
In the further effect for strengthening weakening " fuse " and " safety valve " in hole.
As a further improvement on the present invention, the beam of the concrete frame is stretched out in left coupling part and right coupling part
Length N is 1.2-2.0 times of concrete frame depth of beam.
As a further improvement on the present invention, the distance M at left and right concrete both ends is more than left coupling part and right connecting portion
Divide the length N for the beam for stretching out the concrete frame, be preset clearance.Preset clearance make the present invention in geometric aspects (especially
Horizontal direction) there is regulating error ability.
As a further improvement on the present invention, the preset clearance is 30mm.
As a further improvement on the present invention, the hoop plate bends rectangular rear overlapping 1/2 width counterclockwise using steel band.
The hoop plate of this structure is easy to make, connection is firm.
Beneficial effects of the present invention are as follows：
The beam connecting node of the assembly concrete framework of the present invention, mounting process is simple, convenient and reliable, in geometric aspects
(being especially horizontally oriented) has certain regulating error ability.The gross cross-sectional bearing capacity of linkage section is slightly above connected mixed
Native beam section is coagulated, the cross section at connection medium position is weakened by perforate after welding, makes its bearing capacity less than connection not
Weakened part and Concrete Beam Segment part, to ensure when uncommon incident occurs, the connecting node is being weakened position concentration hair
Plasticity, consumed energy are opened up, to protect the safety of other parts.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is along the sectional structure chart of line A-A in Fig. 1.
Fig. 3 is along the sectional structure chart of line B-B in Fig. 1.
Fig. 4 is along the sectional structure chart of line C-C in Fig. 1.
Fig. 5 is the structural representation of left coupling part in the present invention.
Fig. 6 is to bind round plate structure schematic diagram in the present invention.
Fig. 7 is the structural representation of right coupling part in the present invention.
In figure：101st, upper left connecting plate；102nd, left connecting plate；103rd, lower-left connecting plate；201st, upper right connecting plate；202、
Connecting plate in the right side；203rd, bottom right connecting plate；3rd, angle welding；4th, hole is weakened；5th, plate is bound round；6th, Polyurethane Perfusion area.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
Embodiment one
The present embodiment provides a kind of beam connecting node of assembly concrete framework, as shown in figure 1, including left coupling part
(as shown in Figure 5), right coupling part (as shown in Figure 7), hoop plate 5 (as shown in Figure 6), left coupling part, right coupling part, hoop plate
5 connected by angle welding 3 as shown in figs. 3 and 6 it is integral.Left coupling part is overlapping to be overlapped on outside right coupling part and is welded
Connect, hoop plate 5 is sheathed on outside left coupling part and welded, and after the completion of connection, in connecting node opening position formwork, irrigates poly- ammonia
Ester material.
Using the beam connecting node of the assembly concrete framework of the present embodiment, pass through left coupling part and right coupling part
Lap one another and connected by fillet weld seam, so as to which the left and right Concrete Beam Segment of assembly concrete framework be connected as a single entity
Beam connecting node, there is safe and reliable, convenient construction, be easy to the characteristics of maintenance and reinforcement.The beam connecting node of the present invention is last
Filling (construction technology is identical with concrete) is irrigated with polyurethane material, connecting node is in physical dimension and Concrete Beam Segment
It is identical.Polyurethane material acts on of both having, first, bonding by 10 blocks of steel plates for forming connecting node and hoop plate and constraining in one
Rise, make its harmonious, cooperation；Second, filling and closing the space at connecting node, node corrosion is avoided, protects node
Can in total service life reliably working.
Embodiment two
The present embodiment provides a kind of left coupling part as shown in Figure 2 and right coupling part.Right coupling part includes one piece
Connecting plate 202 and one piece of bottom right connecting plate 203 in 201, two pieces of right sides of upper right connecting plate, upper right connecting plate and bottom right connecting plate are groove
Tee section, it is right in connecting plate be " ━ " tee section, left coupling part includes two pieces of upper left connecting plates, 101, two pieces of left connecting plates
102nd, two pieces of lower-left connecting plates 103, upper left connecting plate and lower-left connecting plate are " ┗ " tee section, and left connecting plate cuts for " ━ " shape
Face.Left coupling part, right coupling part totally 10 blocks of steel plates are substituted in armored concrete vertical muscle, hoop plate are substituted in armored concrete
Stirrup bear moment of flexure and shearing.
The connecting node formed using the steel plate of this structure is had simple in construction, assembling convenient and efficient, is connected firmly
Advantage.
Embodiment three
The present embodiment provides a kind of beam connecting node for the assembly concrete framework for having and weakening hole.In beam connecting node
Middle part, which opens up, weakens hole 4, as shown in figure 1, perforate section keeps elasticity under normal operating condition, in the external world, loading exceedes carrying
Surrendered first during capacity limit state, and reliably develop plasticity in this region, ultimately form plastic hinge.
As the preferred structure of the present embodiment, as shown in figure 4, weaken hole offers 14 altogether, position of opening is：Every piece of left side
Two corner side correspondence positions difference perforates of upper junction plate and lower-left connecting plate, in upper right connecting plate and bottom right connecting plate
Portion's correspondence position difference perforate, the symmetric position difference perforate of every piece of left connecting plate.This heap accepted way of doing sth perforate for weakening hole is set
In respect of beneficial to the further effect for strengthening weakening " fuse " and " safety valve " in hole.
Using the beam connecting node of the assembly concrete framework of the present embodiment, at the middle part of the connecting node, by opening
Hole weakens section, becomes " fuse " and " safety valve " of beam.Perforate size is determined by design, makes section where it
Elastic stage is under structure normal operating condition；When uncommon incident occurs, steel are surrendered first herein, reliable development modeling
Property, plastic hinge is ultimately formed, other positions and the safety of connected Concrete Beam Segment are connected to protect with this.Again due to plasticity
Weakening section centralized development, so only need to repair the destruction part at perforate section or locally replace afterwards
Repair is completed, substantially reduces reparation difficulty.
Example IV
The present embodiment provides a kind of hoop harden structure.Hoop plate is bent rectangular counterclockwise using steel band, and rectangular bent finally weighs
Folded 1/2 width (as shown in Figure 6).Hoop plate can be configured according to the stirrup requirement in beams of concrete, quantity, spacing, width, thickness
Degree can be adjusted according to structure Design and Calculation result.
Using the hoop plate of the present embodiment, it is simple in construction, easy to make, connection it is firm.
Embodiment five
The present embodiment provides a kind of preparation method of the beam connecting node of assembly concrete framework.Specific production method
For：
1) pre-buried part makes：
By left coupling part, right coupling part, totally 10 pieces of longitudinal steel plates (see Fig. 1 and Fig. 2) will according to longitudinal reinforcement bearing capacity
Ask calculate and determine size, be put into beams of concrete and position, and fixed.Left coupling part be 6 pieces of steel plates (see Fig. 5),
Right coupling part is 4 pieces of steel plates (see Fig. 7).10 blocks of longitudinal steel plates nuzzle in advance reinforced beam length L (see Fig. 1) by anchoring
It is required that determining, it stretches out 1.2 to 2.0 times that the horizontal length N of beams of concrete can be taken as beams of concrete height (see Fig. 5)；Longitudinal direction
The position of steel plate is pressed close on the inside of longitudinal reinforcement, and keeps necessary spacing (to meet with it《Design Code of Reinforced Concrete》
Minimum in GB50010-2010 on bar spacing requires).The distance at left and right concrete both ends is M (M=N+30mm, 30mm
For preset clearance, error transfer factor during for installing).In the concreting of beam section, built-in fitting and corresponding beams of concrete
Section links into an integrated entity.Hoop plate bends rectangular, last overlapping 1/2 width (as shown in Figure 6) of rectangular bent using steel band counterclockwise.
2) installation steps：
1. first will hoop sleeve-board (position can be slided) on left coupling part.
2. it is in building site that left and right Concrete Beam Segment is in place, carry out position levelling calibration, now left coupling part, right connection
Part fits together naturally.6 blocks of steel plates of left coupling part are located at the outside of the right 4 blocks of steel plates in coupling part, as shown in Figure 1.
Left and right coupling part is welded into an entirety using angle welding, weld seam is as shown in Figure 2.
3. sliding hoop plate to precalculated position (as shown in Figure 1), itself and longitudinal steel plate 101,102 and 103 are entered with angle welding
The reliable welding of row.The least significant end (as shown in Figure 6) of hoop plate upper end folded portion is welded with angle welding, completes hoop plate most
After close.
4. carrying out perforate (drilling) in the middle part of connecting node, suitably weaken section, the section is entered under undesirably heavy loads
Plasticity, consumed energy, protect the safety of other parts.Position of opening is as shown in Figure 4：There is top to weaken 3, hole herein, bottom is cut
Weak 3, hole, both sides weaken each 4 of hole, and perforate size determines according to structure Design and Calculation.
5. last, filling polyurethane protection materials, in connecting node opening position formwork (similar with concrete construction), perfusion
Polyurethane material, makes the outward appearance of whole beam turn into rectangle, and the node cross section after cast is equal with Concrete Beam Segment.Polyurethane fills
It is as shown in Figure 2 to note area 6.
Related description：
Left coupling part, 10 blocks of steel plates of right coupling part and hoop plate all use Q235B steel, and its sectional dimension is by structure
Calculate and determine.
Beam connecting node of the present invention weakens section in the middle part of node by perforate, destroys and collects when being occurred with the energy phenomenon that ensures to overload
In weakening position, and occurred in a manner of plastic deformation, this is a kind of ductile fracture, and the bearing function of component will not be caused complete
It is complete to lose, structural collapse can be avoided, pre-warning signal can be provided again with the large deformation occurred.And because concentration of plastic deformation exists
Regional area, repairing can be replaced to destroying material afterwards, put back into, avoid total dismounting from causing huge
Economic loss.
In summary, a kind of beam connecting node of assembly concrete framework of the present invention, for prefabricated concrete structure
Beam connection.The node is made up of left coupling part, right coupling part, hoop plate, weakening hole and polyurethane protection materials.Beam connects
Artificial perforate weakens " fuse " and " safety valve " that section makes connecting node turn into beam among node.Weaken hole place to cut
Face keeps elasticity in normal operating condition；Weaken section in the case of loading the limiting condition that is beyond the bearing capacity in the external world to bend first
Clothes, reliably develop plasticity, and the safety at other positions of node and connected Concrete Beam Segment is protected with this.The node passes through filling
Note polyurethane material is closed, and polyurethane makes it together with 10 blocks of steel plates for forming connecting node are bonded and constrained with hoop plate
Cooperate；And the space at closing filling connecting node is played, avoid the effect of node corrosion.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention.All essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (8)
- A kind of 1. beam connecting node of assembly concrete framework, it is characterised in that：Including left coupling part, right coupling part, Plate is bound round, left coupling part is overlapping to be overlapped on outside right coupling part and welded, and hoop sleeve-board is outside left coupling part and carries out Welding, after the completion of connection, in connecting node opening position formwork, filling polyurethane material.
- A kind of 2. beam connecting node of assembly concrete framework according to claim 1, it is characterised in that：The right company Socket part is divided to including connecting plate and one piece of bottom right connecting plate in one piece of upper right connecting plate, two pieces of right sides, the upper right connecting plate and bottom right Connecting plate is channel-section, it is described it is right in connecting plate be " ━ " tee section, the left coupling part including two pieces of upper left connecting plates, Two pieces of left connecting plates, two pieces of lower-left connecting plates, the upper left connecting plate and lower-left connecting plate are " ┗ " tee section, described left Connecting plate is " ━ " tee section.
- A kind of 3. beam connecting node of assembly concrete framework according to claim 1, it is characterised in that：Connected in beam Opened up in the middle part of node and weaken hole, perforate section keeps elasticity under normal operating condition, and the pole that is beyond the bearing capacity is loaded in the external world Surrendered first during limit state, and reliably develop plasticity in this region, ultimately form plastic hinge.
- A kind of 4. beam connecting node of assembly concrete framework according to claim 3, it is characterised in that：The weakening Hole offers 14 altogether, and position of opening is：Two corner side correspondence positions of every piece of upper left connecting plate and lower-left connecting plate point The middle part correspondence position difference perforate of other perforate, upper right connecting plate and bottom right connecting plate, the symmetric position of every piece of left connecting plate Perforate respectively.
- A kind of 5. beam connecting node of assembly concrete framework according to claim 1, it is characterised in that：Left connecting portion The length N for dividing the beam for stretching out the concrete frame with right coupling part is 1.2-2.0 times of concrete frame depth of beam.
- A kind of 6. beam connecting node of assembly concrete framework according to claim 1, it is characterised in that：It is left and right mixed The distance M at native both ends is coagulated more than left coupling part and the length N of the beam of the right coupling part stretching concrete frame, is reserved Gap.
- A kind of 7. beam connecting node of assembly concrete framework according to claim 6, it is characterised in that：It is described reserved Gap is 30mm.
- A kind of 8. beam connecting node of assembly concrete framework according to claim 1, it is characterised in that：The hoop plate Bend rectangular rear overlapping 1/2 width counterclockwise using steel band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710876837.6A CN107401220A (en) | 2017-09-25 | 2017-09-25 | A kind of beam connecting node of assembly concrete framework |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710876837.6A CN107401220A (en) | 2017-09-25 | 2017-09-25 | A kind of beam connecting node of assembly concrete framework |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107401220A true CN107401220A (en) | 2017-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710876837.6A Pending CN107401220A (en) | 2017-09-25 | 2017-09-25 | A kind of beam connecting node of assembly concrete framework |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109779146A (en) * | 2019-03-15 | 2019-05-21 | 杭州中联筑境建筑设计有限公司 | A kind of assembled steel reinforced concrete beam string structure |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006063587A (en) * | 2004-08-25 | 2006-03-09 | Takenaka Komuten Co Ltd | Construction method and structure for joining column-beam frame by using wooden structural material |
| CN103074941A (en) * | 2012-12-24 | 2013-05-01 | 北京工业大学 | Assembly type recycled concrete node with steel bar truss girders at end parts and manufacturing method thereof |
| CN205206033U (en) * | 2015-11-20 | 2016-05-04 | 上海建工五建集团有限公司 | Frame post connected node suitable for prefabricated assembly building |
| CN106049675A (en) * | 2016-07-26 | 2016-10-26 | 沈阳建筑大学建筑设计研究院 | Docking connection construction of prefabricated assembly concrete superposed beams |
| CN205804591U (en) * | 2016-07-05 | 2016-12-14 | 重庆大学 | A kind of node connected for precast concrete frame column assembled |
| CN106930405A (en) * | 2017-04-28 | 2017-07-07 | 常州工学院 | A kind of beam connecting structure of assembly concrete framework |
| CN106978853A (en) * | 2017-05-05 | 2017-07-25 | 哈尔滨工业大学深圳研究生院 | A kind of controllable steel node of prefabricated assembled concrete structural plasticity |
| CN107143040A (en) * | 2017-04-25 | 2017-09-08 | 华南理工大学 | The connecting structure and its construction method of a kind of prefabricated regeneration monolith beam |
-
2017
- 2017-09-25 CN CN201710876837.6A patent/CN107401220A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006063587A (en) * | 2004-08-25 | 2006-03-09 | Takenaka Komuten Co Ltd | Construction method and structure for joining column-beam frame by using wooden structural material |
| CN103074941A (en) * | 2012-12-24 | 2013-05-01 | 北京工业大学 | Assembly type recycled concrete node with steel bar truss girders at end parts and manufacturing method thereof |
| CN205206033U (en) * | 2015-11-20 | 2016-05-04 | 上海建工五建集团有限公司 | Frame post connected node suitable for prefabricated assembly building |
| CN205804591U (en) * | 2016-07-05 | 2016-12-14 | 重庆大学 | A kind of node connected for precast concrete frame column assembled |
| CN106049675A (en) * | 2016-07-26 | 2016-10-26 | 沈阳建筑大学建筑设计研究院 | Docking connection construction of prefabricated assembly concrete superposed beams |
| CN107143040A (en) * | 2017-04-25 | 2017-09-08 | 华南理工大学 | The connecting structure and its construction method of a kind of prefabricated regeneration monolith beam |
| CN106930405A (en) * | 2017-04-28 | 2017-07-07 | 常州工学院 | A kind of beam connecting structure of assembly concrete framework |
| CN106978853A (en) * | 2017-05-05 | 2017-07-25 | 哈尔滨工业大学深圳研究生院 | A kind of controllable steel node of prefabricated assembled concrete structural plasticity |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109779146A (en) * | 2019-03-15 | 2019-05-21 | 杭州中联筑境建筑设计有限公司 | A kind of assembled steel reinforced concrete beam string structure |
| CN109779146B (en) * | 2019-03-15 | 2024-01-02 | 杭州中联筑境建筑设计有限公司 | Assembled reinforced concrete beam string structure |
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Application publication date: 20171128 |