CN206015877U - Prefabricated assembled concrete frame construction - Google Patents
Prefabricated assembled concrete frame construction Download PDFInfo
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- CN206015877U CN206015877U CN201620898521.8U CN201620898521U CN206015877U CN 206015877 U CN206015877 U CN 206015877U CN 201620898521 U CN201620898521 U CN 201620898521U CN 206015877 U CN206015877 U CN 206015877U
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Abstract
The utility model discloses a kind of prefabricated assembled concrete frame construction, including prefabricated post and precast beam, wherein, prefabricated post is connected with one end of precast beam and forms node region in junction；Prefabricated post is divided into upper strata cylinder and lower floor's cylinder by node region, and upper strata cylinder and lower floor's cylinder are connected by the longitudinally reinforced steel being embedded in prefabricated post in advance in node region；One end that precast beam is connected with prefabricated post is embedded with beam-ends and strengthens steel；Longitudinally reinforced steel and beam-ends are strengthened being bolted between steel.Using this utility model, make the node of prefabricated assembled concrete frame construction that there is the anti-seismic performance and energy dissipation capacity for being equal to cast-in-place concrete frame joint, " strong node; weak component ", " strong shear capacity and weak bending capacity ", the conceptual Design of Earthquake Resistance of " strong column and weak beam " is achieved, working procedure and difficulty can be also reduced.
Description
Technical field
This utility model is related to construction engineering technical field, more particularly to a kind of prefabricated assembled concrete frame construction.
Background technology
With the development of building trade, building industrialization has become main developing direction.South electric network is to implement middle length
Phase strategic development, preferably propulsion electrical network capital construction integration work, promotes green network construction, in energy-saving and emission-reduction, environmental protection
Etc. aspect give full play to social exemplary role, just actively promoting application of the building industrialization i.e. fabricated structure in electrical network.Right
Fabricated structure, prefabricated assembled concrete frame construction are most commonly seen, are also best suitable for transformer station's building.
At present, domestic and international prefabricated assembled concrete frame construction mostly is the upper and lower layer post longitudinal reinforcement of prefabricated post in node
Place disconnects and adopts the node concrete connection that grout sleeve connection, precast beam and prefabricated post are poured after passing through, globality at node
Very poor so that the poor seismic behavior of node becomes a short slab of prefabricated assembled concrete frame construction, meanwhile, work of constructing
Sequence very complicated, has a strong impact on the popularization of prefabricated assembled concrete frame construction.
Content of the invention
Technical problem to be solved in the utility model is, there is provided the strong prefabrication and assembly construction of a kind of simple structure, shock resistance
Formula concrete frame structure, can achieve " strong node, weak component ", " strong shear capacity and weak bending capacity ", the seismic Concept of " strong column and weak beam ".
In order to solve above-mentioned technical problem, this utility model provides a kind of prefabricated assembled concrete frame construction, bag
Prefabricated post and precast beam is included, and wherein, the prefabricated post is connected with one end of precast beam and node region is formed in junction；Described
Prefabricated post is divided into upper strata cylinder and lower floor's cylinder by the node region, and the upper strata cylinder and lower floor's cylinder are in the node
Region is connected by the longitudinally reinforced steel being embedded in the prefabricated post in advance；One end that the precast beam is connected with prefabricated post is embedded with
Beam-ends strengthens steel, and the beam-ends is strengthened steel and extended to outside the precast beam；The longitudinally reinforced steel and beam-ends are strengthened leading between steel
Bolt connection is crossed so that the prefabricated post is mutually fixed with precast beam.
As the improvement of such scheme, cylinder longitudinal reinforcement is embedded with the prefabricated post and the cylinder longitudinal reinforcement exists
Continuous at the node region.
Used as the improvement of such scheme, the side that the longitudinally reinforced steel is connected with beam-ends reinforcement steel is provided with and the longitudinal direction
Strengthen the styletable reinforcement steel that steel is welded as a whole, the styletable strengthens steel and beam-ends is strengthened fixing by gusset plate between steel.
Used as the improvement of such scheme, the styletable is strengthened steel and strengthens being equipped with the bolt for bolt-through on steel with beam-ends
Hole, the gusset plate are provided with the through hole corresponding with bolt hole, and the bolt passing through bolt hole and through hole are by the prefabricated post
Mutually fix with precast beam.
Used as the improvement of such scheme, the styletable is strengthened steel and strengthens being respectively equipped with two on steel positioned at same perpendicular with beam-ends
Nogata bolt hole upwards, the gusset plate are provided with four through holes corresponding with bolt hole.
As the improvement of such scheme, cylinder stirrup in the prefabricated post, is embedded with, the cylinder stirrup is in the node
Blocked by the gusset plate in region and be welded to each other as closing structure with the gusset plate.
Used as the improvement of such scheme, the longitudinally reinforced steel, styletable strengthen steel and beam-ends is strengthened steel and is I-steel.
As the improvement of such scheme, weakening process is made to the lower flange that the beam-ends strengthens steel, strengthen the beam-ends
The lower flange of steel is shorter in length than top flange length.
Implement this utility model, have the advantages that：
This utility model incorporation engineering reality, the drawbacks of at present both at home and abroad common prefabricated assembled concrete framework,
At node, creatively set up shaped steel strengthen node, it is achieved that " strong node, weak component ", " strong shear capacity and weak bending capacity ", " strong column and weak beam "
Conceptual Design of Earthquake Resistance, make the node of prefabricated assembled concrete frame construction that there is the anti-of equivalent cast-in-place concrete frame joint
Shock stability and energy dissipation capacity, while greatly reduce working procedure and difficulty again, are the popularization of prefabricated assembled concrete framework
Application provides strong technical support.Specific as follows：
（1）The upper strata cylinder and lower floor's cylinder of prefabricated post is connected by longitudinally reinforced steel in node region, and cylinder longitudinal direction
Reinforcing bar is continuous at the node region, it is ensured that the upper strata cylinder and lower floor's cylinder of prefabricated post node region seriality and
Globality, convenient and reliable, it then follows the conceptual Design of Earthquake Resistance of " strong node, weak component ", tie prefabricated assembled concrete framework
The node of structure has the anti-seismic performance of equivalent cast-in-place concrete frame joint and energy dissipation capacity, is conducive to improving whole building thing
Anti-seismic performance so that installation is more convenient；
（2）Beam-ends being embedded with precast beam and strengthening steel, prefabricated post is reliably connected using bolt with the node region of precast beam,
Make longitudinally reinforced steel, styletable reinforcement steel and beam-ends strengthen the joint cores that steel is connected and forms shaped steel reinforcement, and save
The concrete of point core space is poured into a mould after prefabricated post and precast beam are assembled well again, realizes precast beam self-supporting, without the need for additionally arrange
Beam is supported and plate is supported, and greatly reduces working procedure and difficulty, is also reduced construction cost and is reduced the construction period；
（3）Pre-buried cylinder stirrup in prefabricated post, can effectively prevent concrete outward by cylinder stirrup banding concrete
Jump.In node region, need to by gusset plate by styletable strengthen steel and beam-ends strengthen steel be connected with realize precast beam with prefabricated
The connection of post, but the layout of node region middle column body stirrup can be so affected, therefore, affected cylinder stirrup need to be blocked,
And to be welded to each other the cylinder stirrup for blocking and gusset plate be closing structure to form new hooping structure, so as to realize in post
While end reinforcement steel and beam-ends reinforcement steel are stably connected with, it is ensured that node region concrete is firmly waled, and improves prefabricated post
Shearing strength.
（4）Strengthening steel to beam-ends carries out reduced beam section process, makes beam-ends strengthen steel and is improving the same of beam-ends shear-carrying capacity
When, should not excessive improve beam-ends bend-carrying capacity, realize " strong shear capacity and weak bending capacity ", the conceptual Design of Earthquake Resistance of " strong column and weak beam ", improve
The overall ductility of building and anti-fall performance of collapsing.
Description of the drawings
Fig. 1 is that prefabricated post is shown with the structure before precast beam fixation in this utility model prefabricated assembled concrete frame construction
It is intended to；
Fig. 2 is that prefabricated post is shown with the structure after precast beam fixation in this utility model prefabricated assembled concrete frame construction
It is intended to；
Fig. 3 is the sectional view of Fig. 2；
Fig. 4 is the schematic diagram of steel construction in Fig. 3；
Fig. 5 is the axonometric chart of prefabricated post in this utility model；
Fig. 6 is the sectional view of prefabricated post in this utility model；
Fig. 7 is the axonometric chart of precast beam in this utility model；
Fig. 8 is the sectional view of precast beam in this utility model；
Fig. 9 is the combination diagram of prefabricated post middle column body stirrup and gusset plate；
Figure 10 is the combination diagram of prefabricated post middle column body stirrup and another vision of gusset plate；
Figure 11 is the first embodiment sectional view that beam-ends strengthens steel in precast beam；
Figure 12 is the second embodiment sectional view that beam-ends strengthens steel in precast beam.
Specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, new to this practicality below in conjunction with accompanying drawing
Type is described in further detail.Only this statement, this utility model occur in the text or will appear from upper and lower, left and right, front,
Afterwards, the orientation such as inside and outside word, only on the basis of accompanying drawing of the present utility model, which is not to concrete restriction of the present utility model.
Referring to Fig. 1 ~ Fig. 4, it is built-in that this utility model prefabricated assembled concrete frame construction is applied to assembled transformer station
Thing is built, which includes prefabricated post 1 and precast beam 2, wherein, the prefabricated post 1 is connected by bolt with one end of precast beam 2 and in even
The place of connecing forms node region.
As shown in Figures 5 and 6, longitudinally reinforced steel 12, the prefabricated post 1 are embedded with along its length in the prefabricated post 1
Upper strata cylinder 1a and lower floor cylinder 1b are divided into by the node region, the upper strata cylinder 1a and lower floor cylinder 1b are in the section
Point region is connected by longitudinally reinforced steel 12；Meanwhile, cylinder longitudinal reinforcement 11 is embedded with along its length in the prefabricated post 1,
And the cylinder longitudinal reinforcement 11 sequentially passes through upper strata cylinder 1a, node region and lower floor cylinder 1b, makes cylinder longitudinal reinforcement
11 is continuous at the node region.The longitudinally reinforced steel 12 is preferably Q235 level steel, and the cylinder longitudinal reinforcement 11 is excellent
Elect HRB400 level reinforcing bars as.
As shown in Figures 7 and 8, beam body longitudinal reinforcement 21 and beam body stirrup 23 are embedded with the precast beam 2, described prefabricated
One end that beam 2 is connected with prefabricated post 1 is embedded with beam-ends and strengthens steel 22, and the beam body longitudinal reinforcement 21 and beam-ends are strengthened steel 22 and extended
To outside the precast beam 2.The beam-ends is strengthened steel 22 and is preferably Q235 level steel, and the beam body longitudinal reinforcement 21 is preferably
HRB400 level reinforcing bars, the beam body stirrup 23 are preferably HPB300 level reinforcing bars.
Referring to Fig. 1 ~ Fig. 4, the longitudinally reinforced steel 12 and beam-ends are strengthened being bolted between steel 22.Specifically, institute
State longitudinally reinforced steel 12 and beam-ends and strengthen the side that steel 22 is connected and be provided with the styletable being welded as a whole with the longitudinally reinforced steel 12
Strengthen steel 13, the styletable strengthens steel 13 and beam-ends is strengthened fixing so as to realizing the prefabricated post 1 by gusset plate 3 between steel 22
With the fixation of precast beam 2, the styletable reinforcement steel 13 preferably Q235 level steel.
Further, the styletable strengthens steel 13 and beam-ends is strengthened being equipped with, on steel 22, the bolt hole run through for bolt 4, described
Gusset plate 3 is provided with the through hole corresponding with bolt hole, the bolt 4 through bolt hole and through hole by the prefabricated post 1 with pre-
Beam processed 2 is mutually fixed.Preferably, the styletable is strengthened steel 13 and strengthens being respectively equipped with two on steel 22 positioned at same vertical side with beam-ends
Bolt hole upwards, the gusset plate 3 are provided with four through holes corresponding with bolt hole, and the bolt 4 is high-strength for 10.8 grades
Bolt.
It should be noted that the prefabricated assembled concrete frame construction mostly upper and lower layer post of prefabricated post is indulged both at home and abroad at present
Disconnect at node to reinforcing bar and connected using grout sleeve, the node concrete connection that precast beam and prefabricated post are poured after passing through,
At node, globality is very poor so that the poor seismic behavior of node become prefabricated assembled concrete frame construction one is short
Plate, meanwhile, working procedure very complicated has a strong impact on the popularization of prefabricated assembled concrete frame construction.With prior art phase
Than, in this utility model prefabricated assembled concrete frame construction, being embedded with cylinder longitudinal reinforcement 11 in prefabricated post 1 and longitudinal direction adding
Strong steel 12, can effectively guarantee upper strata cylinder 1a and lower floor cylinder 1b seriality and globality in node region, convenient and reliable.With
When, longitudinally reinforced steel 12 is embedded with prefabricated post 1 and styletable strengthens steel 13, be embedded with beam-ends and strengthen steel 22 in precast beam 2, prefabricated
Post 1 is reliably connected using bolt 4 with the node region of precast beam 2, makes longitudinally reinforced steel 12, styletable strengthen steel 13 and beam-ends reinforcement
Steel 22 is connected and forms the joint cores of shaped steel reinforcement, has greatly reinforced the ultimate bearing capacity of joint cores, has made pre-
The node of assembly concrete frame structure processed has the anti-seismic performance of equivalent cast-in-place concrete frame joint and energy dissipation capacity, body
Show the conceptual Design of Earthquake Resistance of " strong node, weak component ", be conducive to the anti-seismic performance for improving whole building thing so that installation
More convenient, meet the principles and policies that country promotes Green energy-saving buildings thing, can be in transformer station's building even other industry, people
With popularization and application in building.
As shown in FIG. 9 and 10, cylinder stirrup 14 is embedded with the prefabricated post 1, the cylinder stirrup 14 is in the section
Blocked by the gusset plate 3 in point region and be welded to each other as closing structure with the gusset plate 3.The cylinder stirrup 14 is preferred
For HPB300 level reinforcing bars.
It should be noted that can effectively prevent concrete from jumping outward by 14 banding concrete of cylinder stirrup.In node district
Styletable need to be strengthened steel 13 by gusset plate 3 and beam-ends is strengthened steel 22 and is connected to realize precast beam 2 with prefabricated post 1 by domain
Connection, but the layout of node region middle column body stirrup 14 can be so affected, therefore, affected cylinder stirrup 14 need to be blocked,
And to be welded to each other the cylinder stirrup 14 for blocking and gusset plate 3 be closing structure to form new hooping structure, so as to realize
While styletable strengthens steel 13 and beam-ends reinforcement steel 22 is stably connected with, it is ensured that node region concrete is firmly waled, and is improved
The shearing strength of prefabricated post.
As shown in Figures 10 and 11, steel 13 strengthened by the longitudinally reinforced steel 12, styletable and beam-ends is strengthened steel 22 and is I-shaped
Steel.
Further, weakening process is made to the lower flange 22b that the beam-ends strengthens steel 22, under the beam-ends is strengthened in steel 22
The length for being shorter in length than top flange 22a of edge of a wing 22b.It should be noted that strengthening steel 22 to beam-ends carries out reduced beam section process,
The length for being shorter in length than top flange 22a of lower flange 22b is made, beam-ends can be made to strengthen steel 22 and improved the same of beam-ends shear-carrying capacity
When, should not excessive improve beam-ends bend-carrying capacity, realize " strong shear capacity and weak bending capacity ", the conceptual Design of Earthquake Resistance of " strong column and weak beam ", improve
The overall ductility of building and anti-fall performance of collapsing.
From the foregoing, it will be observed that this utility model incorporation engineering reality, for domestic and international at present common prefabricated assembled concrete frame
The drawbacks of frame, at node, creatively set up shaped steel strengthen node, it is achieved that " strong node, weak component ", " strong shear capacity and weak bending capacity ",
The conceptual Design of Earthquake Resistance of " strong column and weak beam ", makes the node of prefabricated assembled concrete frame construction that there is equivalent cast-in-place concrete frame
The anti-seismic performance of frame node and energy dissipation capacity, while greatly reduce working procedure and difficulty again, are prefabricated assembled concrete
The popularization and application of framework provide strong technical support.Specific as follows：
（1）The upper strata cylinder and lower floor's cylinder of prefabricated post is connected by longitudinally reinforced steel in node region, and cylinder longitudinal direction
Reinforcing bar is continuous at the node region, it is ensured that the upper strata cylinder and lower floor's cylinder of prefabricated post node region seriality and
Globality, convenient and reliable, it then follows the conceptual Design of Earthquake Resistance of " strong node, weak component ", tie prefabricated assembled concrete framework
The node of structure has the anti-seismic performance of equivalent cast-in-place concrete frame joint and energy dissipation capacity, is conducive to improving whole building thing
Anti-seismic performance so that installation is more convenient；
（2）Beam-ends being embedded with precast beam and strengthening steel, prefabricated post is reliably connected using bolt with the node region of precast beam,
Make longitudinally reinforced steel, styletable reinforcement steel and beam-ends strengthen the joint cores that steel is connected and forms shaped steel reinforcement, make prefabricated
The beam-ends of the cast-in-place concrete frame joint of the node of assembly concrete frame structure receives curved, shear resistance capacity, and node
The concrete of core space is poured into a mould after beam-ends is good higher than prefabricated post and precast beam assembly by curved, shear resistance capacity again, is realized prefabricated
Beam self-supporting, without the need for additionally arranging, beam is supported and plate is supported, and greatly reduces working procedure and difficulty, is also reduced construction cost and is subtracted
Few construction period；
（3）Pre-buried cylinder stirrup in prefabricated post, the cylinder stirrup are cut by the gusset plate in the node region
Break and the new hooping structure for closing is welded to each other with the gusset plate, so as to realize strengthening steel and beam-ends reinforcement steel in styletable
While being stably connected with, it is ensured that node region concrete is firmly waled, the shearing strength of prefabricated post is improve；
（4）Strengthening steel to beam-ends carries out reduced beam section process, makes beam-ends strengthen steel and is improving the same of beam-ends shear-carrying capacity
When, should not excessive improve beam-ends bend-carrying capacity, realize " strong shear capacity and weak bending capacity ", the conceptual Design of Earthquake Resistance of " strong column and weak beam ", improve
The overall ductility of building and anti-fall performance of collapsing.
The above is preferred implementation of the present utility model, it is noted that for the ordinary skill of the art
For personnel, on the premise of without departing from this utility model principle, some improvements and modifications can also be made, these improve and moisten
Decorations are also considered as protection domain of the present utility model.
Claims (8)
1. a kind of prefabricated assembled concrete frame construction, including prefabricated post and precast beam, it is characterised in that the prefabricated post with
One end of precast beam is connected and forms node region in junction；
The prefabricated post is divided into upper strata cylinder and lower floor's cylinder by the node region, and the upper strata cylinder and lower floor's cylinder exist
The node region is connected by the longitudinally reinforced steel being embedded in the prefabricated post in advance；
One end that the precast beam is connected with prefabricated post is embedded with beam-ends and strengthens steel, and the beam-ends reinforcement steel extends to described prefabricated
Outside beam；
The longitudinally reinforced steel is strengthened being bolted so that the prefabricated post is mutually fixed with precast beam between steel with beam-ends.
2. prefabricated assembled concrete frame construction as claimed in claim 1, it is characterised in that be embedded with the prefabricated post
The cylinder longitudinal reinforcement and cylinder longitudinal reinforcement is continuous at the node region.
3. prefabricated assembled concrete frame construction as claimed in claim 1, it is characterised in that the longitudinally reinforced steel and beam
End is strengthened the side that steel is connected and is provided with the styletable being welded as a whole with the longitudinally reinforced steel strengthening steel, the styletable strengthen steel with
Beam-ends is strengthened fixing by gusset plate between steel.
4. prefabricated assembled concrete frame construction as claimed in claim 3, it is characterised in that the styletable strengthens steel and beam
End is strengthened being equipped with the bolt hole for bolt-through on steel, and the gusset plate is provided with the through hole corresponding with bolt hole, described
The prefabricated post and precast beam are mutually fixed by bolt passing through bolt hole with through hole.
5. prefabricated assembled concrete frame construction as claimed in claim 4, it is characterised in that the styletable strengthens steel and beam
End is strengthened being respectively equipped with two bolts hole being located on same vertical direction on steel, and the gusset plate is provided with four and bolt hole
Corresponding through hole.
6. prefabricated assembled concrete frame construction as claimed in claim 3, it is characterised in that be embedded with the prefabricated post
Cylinder stirrup, the cylinder stirrup in the node region by the gusset plate block and with the gusset plate be welded to each other for
Closing structure.
7. prefabricated assembled concrete frame construction as claimed in claim 3, it is characterised in that the longitudinally reinforced steel, post
Steel is strengthened at end and beam-ends is strengthened steel and is I-steel.
8. prefabricated assembled concrete frame construction as claimed in claim 7, it is characterised in that steel is strengthened to the beam-ends
Weakening process is made in lower flange, and the lower flange for making the beam-ends strengthen steel is shorter in length than top flange length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620898521.8U CN206015877U (en) | 2016-08-18 | 2016-08-18 | Prefabricated assembled concrete frame construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620898521.8U CN206015877U (en) | 2016-08-18 | 2016-08-18 | Prefabricated assembled concrete frame construction |
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| CN206015877U true CN206015877U (en) | 2017-03-15 |
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ID=58249056
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| CN201620898521.8U Active CN206015877U (en) | 2016-08-18 | 2016-08-18 | Prefabricated assembled concrete frame construction |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106149873A (en) * | 2016-08-18 | 2016-11-23 | 佛山电力设计院有限公司 | Prefabricated assembled concrete frame construction and preparation method thereof |
| CN107254937A (en) * | 2017-08-07 | 2017-10-17 | 北京工业大学 | A kind of assembled power consumption girder connection of built-in X-shaped low-yield structural steel connecting member |
| CN108571181A (en) * | 2018-06-06 | 2018-09-25 | 福州大学 | RC frame joints ruggedized construction based on column steel bonding-haunch and reinforcement means |
| CN108729546A (en) * | 2018-05-31 | 2018-11-02 | 东北电力大学 | A kind of dry type beam-to-column joint structure for prefabricated assembling type reinforced concrete building |
| CN109162349A (en) * | 2018-10-25 | 2019-01-08 | 安徽建筑大学 | Assembly type connected node can be replaced to H shaped steel |
| CN110106978A (en) * | 2019-05-20 | 2019-08-09 | 江南大学 | Half prefabricated reinforced concrete column node unit of one kind and its application |
| CN112031159A (en) * | 2020-09-03 | 2020-12-04 | 黄淮学院 | Combination structure of precast beam and precast column |
| CN113585457A (en) * | 2021-09-08 | 2021-11-02 | 温州医科大学 | Precast concrete beam column connecting method |
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2016
- 2016-08-18 CN CN201620898521.8U patent/CN206015877U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106149873A (en) * | 2016-08-18 | 2016-11-23 | 佛山电力设计院有限公司 | Prefabricated assembled concrete frame construction and preparation method thereof |
| CN106149873B (en) * | 2016-08-18 | 2019-06-11 | 佛山电力设计院有限公司 | Prefabricated assembled concrete frame construction and preparation method thereof |
| CN107254937A (en) * | 2017-08-07 | 2017-10-17 | 北京工业大学 | A kind of assembled power consumption girder connection of built-in X-shaped low-yield structural steel connecting member |
| CN107254937B (en) * | 2017-08-07 | 2019-07-12 | 北京工业大学 | A kind of assembled energy consumption girder connection of built-in X-shaped low-yield structural steel connecting member |
| CN108729546A (en) * | 2018-05-31 | 2018-11-02 | 东北电力大学 | A kind of dry type beam-to-column joint structure for prefabricated assembling type reinforced concrete building |
| CN108571181A (en) * | 2018-06-06 | 2018-09-25 | 福州大学 | RC frame joints ruggedized construction based on column steel bonding-haunch and reinforcement means |
| CN109162349A (en) * | 2018-10-25 | 2019-01-08 | 安徽建筑大学 | Assembly type connected node can be replaced to H shaped steel |
| CN110106978A (en) * | 2019-05-20 | 2019-08-09 | 江南大学 | Half prefabricated reinforced concrete column node unit of one kind and its application |
| CN112031159A (en) * | 2020-09-03 | 2020-12-04 | 黄淮学院 | Combination structure of precast beam and precast column |
| CN113585457A (en) * | 2021-09-08 | 2021-11-02 | 温州医科大学 | Precast concrete beam column connecting method |
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