CN110528690A - A kind of assembled integral concrete beam and column node and its construction method - Google Patents
A kind of assembled integral concrete beam and column node and its construction method Download PDFInfo
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- CN110528690A CN110528690A CN201910894951.0A CN201910894951A CN110528690A CN 110528690 A CN110528690 A CN 110528690A CN 201910894951 A CN201910894951 A CN 201910894951A CN 110528690 A CN110528690 A CN 110528690A
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- 239000004567 concrete Substances 0.000 title claims abstract description 139
- 238000010276 construction Methods 0.000 title claims abstract description 25
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 102
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 47
- 239000010959 steel Substances 0.000 claims abstract description 47
- 230000002787 reinforcement Effects 0.000 claims abstract description 17
- 210000003205 muscle Anatomy 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 2
- 244000046052 Phaseolus vulgaris Species 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000004574 high-performance concrete Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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)
- Rod-Shaped Construction Members (AREA)
Abstract
The invention discloses a kind of assembled integral concrete beam and column node and its construction methods, including joint cores, the first concrete column, the second concrete column, joint cores, the first beams of concrete, the second beams of concrete, the first lower, transverse reinforcing bar, the second lower, transverse reinforcing bar, third lower, transverse reinforcing bar, the first middle part transverse steel, the second middle part transverse steel, upper lateral reinforcing bar and several longitudinal reinforcements；First concrete column is located at the top of joint cores, and the second concrete column is located at the lower part of joint cores；First beams of concrete and the second beams of concrete are located at the two sides of joint cores, and the globality and anti-seismic performance of the node are excellent, and have the characteristics that structure is simple, easy for construction and can go into operation on a large scale.
Description
Technical field
The invention belongs to building field, it is related to a kind of assembled integral concrete beam and column node and its construction method.
Background technique
With the rapid development of society and the continuous improvement of national economy level, the extensive development model of tradition are uncomfortable
China is answered to enter the requirements of the times of high quality developing stage, building trade is forced to be industrialized as other industries,
The technological transformation of industrialization, so that assembled integral concrete construction starts to shine new vitality again.Assembled integral is mixed
Solidifying civil engineering, which is built, to be had many advantages, such as to improve construction quality, shortens construction period, energy saving and clean manufacturing, can be effectively improved and be built
Function and structure performance is built, is a kind of tool construction method with broad prospects for development.Cast in place and precast construction joint form determines
Whole anti-seismic performance is built, the connecting node that a kind of connection is reliable, anti-seismic performance is good and easy for construction is looked for, is that assembly is whole
Where the critical issue of body formula architectural development.
The existing armored concrete prefabricated integral frame bean column node in China is various informative and more many and diverse, is difficult to mostly
Meet the requirement in terms of structural integrity and anti-seismic performance, also or because joint form is excessively complicated, difficulty of construction is big is difficult to
Realize fairly large design and utilization.
Summary of the invention
It is an object of the invention to overcome the above-mentioned prior art, a kind of assembled integral beam column built from concrete is provided
Node and its construction method, the globality and anti-seismic performance of the node are excellent, and have structure simple, easy for construction and can be big
The characteristics of scale is gone into operation.
In order to achieve the above objectives, assembled integral concrete beam and column node of the present invention includes joint cores,
One concrete column, the second concrete column, joint cores, the first beams of concrete, the second beams of concrete, the first lower, transverse steel
Muscle, the second lower, transverse reinforcing bar, third lower, transverse reinforcing bar, the first middle part transverse steel, the second middle part transverse steel, upper lateral
To reinforcing bar and several longitudinal reinforcements；
First concrete column is located at the top of joint cores, and the second concrete column is located at the lower part of joint cores；
First beams of concrete and the second beams of concrete are located at the two sides of joint cores, and the first beams of concrete and second mixed
Solidifying Tu Liang include precast beam, after pour overlapping layers and after pour section, wherein after pour section between precast beam and joint cores,
After pour and poured after overlapping layers is located on section and precast beam, and after pour overlapping layers, after pour section and joint cores pour and are integrated；
One end of first lower, transverse reinforcing bar is located in the precast beam of the first beams of concrete, the first lower, transverse reinforcing bar it is another
One end pours in section after being located at the first beams of concrete and is connected with one end of the second lower, transverse reinforcing bar, the second lower, transverse steel
The other end of muscle, which passes through joint cores and is inserted in after the second beams of concrete, to be poured in section and one with third lower, transverse reinforcing bar
End is connected, and the other end of third lower, transverse reinforcing bar is located in the precast beam of the second beams of concrete；
One end of first middle part transverse steel is located in the precast beam of the first beams of concrete, the first middle part transverse steel it is another
One end is inserted in joint cores after pouring section after the first beams of concrete；One end of second middle part transverse steel is located at the
In the precast beam of two beams of concretes, the other end of the second middle part transverse steel is inserted in after pouring section after the second beams of concrete
In joint cores；
One end of upper lateral reinforcing bar is poured in overlapping layers after being located at the first beams of concrete, the other end of upper lateral reinforcing bar
It is poured in overlapping layers after being inserted in the second beams of concrete behind joint cores；
Between upper lateral reinforcing bar and the first middle part transverse steel and the first lower, transverse reinforcing bar, upper lateral reinforcing bar and
Between one middle part transverse steel and the second lower, transverse reinforcing bar, upper lateral reinforcing bar and the second middle part transverse steel and the second lower part
Pass through precast beam between transverse steel, between upper lateral reinforcing bar and the second middle part transverse steel and third lower, transverse reinforcing bar
Stirrup is connected；
One end of each longitudinal reinforcement is located in the first concrete column, after the other end of each longitudinal reinforcement passes through joint cores
It is inserted in the second concrete column.
By pressing company between third lower, transverse reinforcing bar and the first lower, transverse reinforcing bar and the second lower, transverse reinforcing bar
Female connector cylinder is connected.
The contact surface for pouring overlapping layers on precast beam with after is rectangular recess structure.
The contact surface for pouring section on precast beam with after is triangular groove structure.
It further include the first tie hoop, wherein the first tie hoop pours in overlapping layers after being located at, and the first tie hoop is solid
Due on upper lateral reinforcing bar.
It further include the second tie hoop and third tie hoop, wherein the second tie hoop is located at the first beams of concrete
After pour in section, and the second tie hoop is fixed on the first lower, transverse reinforcing bar and the second lower, transverse reinforcing bar；Third spiral hoop
Muscle pours in section after being located at the second beams of concrete, and third tie hoop is fixed on the second lower, transverse reinforcing bar and third lower lateral
To on reinforcing bar.
It further include several prefabricated column tie-bars, prefabricated column tie-bar is socketed on each longitudinal reinforcement, and each prefabricated column tie-bar is along vertical
To being sequentially distributed, and it is located at the distance between contiguous prefabricated column tie-bar in joint cores and is less than contiguous prefabricated column at other positions
The distance between stirrup.
On the face being in contact on first concrete column with joint cores and the second concrete column with joint cores phase
The face of contact is provided with keyway.
It is located on the end in joint cores and the second middle part transverse steel on first middle part transverse steel and is located at node
End in core space is 90-degree bent.
The construction method of assembled integral concrete beam and column node of the present invention the following steps are included:
1) the prefabricated of precast beam, the first concrete column and the second concrete column is carried out in the factory, then transports construction
Scene；
2) lifting for carrying out precast beam, the first concrete column and the second concrete column, then carries out the second lower, transverse steel
Muscle, upper lateral reinforcing bar and after pour the binding of prefabricated beam stirrup at section；
3) poured after carrying out overlapping layers, after pour pouring for section and joint cores.
The invention has the following advantages:
When specific operation, one end of each longitudinal reinforcement is located at assembled integral concrete beam and column node of the present invention
In first concrete column, the other end of each longitudinal reinforcement is inserted in the second concrete column after passing through joint cores；Upper lateral
The one end for being located at upper lateral reinforcing bar to one end of reinforcing bar is poured in overlapping layers after being located at the first beams of concrete, upper lateral reinforcing bar
The other end pass through be inserted in the second beams of concrete behind joint cores after pour in overlapping layers, therefore the globality of bean column node
And anti-seismic performance is excellent, while in construction, first carrying out precast beam, the first concrete column and the second concrete column in the factory
It is prefabricated, it then transports to construction site and carries out the binding after-pouring concrete of reinforcing bar, it is easy for construction, simple, it can be realized
It is extensive to go into operation.
Further, the contact surface for pouring overlapping layers on precast beam with after is rectangular recess structure, pours section with after on precast beam
Contact surface be triangular groove structure, to reinforce the bonding of precast beam Yu rear pouring concrete so that after pour section and after pour overlapping layers
It is relatively reliable with the connection of precast beam.
Further, the first tie hoop pours in overlapping after being located at, and the first tie hoop is fixed on upper lateral reinforcing bar,
Second tie hoop pours in section after being located at the first beams of concrete, and the second tie hoop be fixed on the first lower, transverse reinforcing bar and
On second lower, transverse reinforcing bar；Third tie hoop pours in section after being located at the second beams of concrete, and third tie hoop is fixed
In on the second lower, transverse reinforcing bar and third lower, transverse reinforcing bar, to reinforce connecting vulnerable area, after-pouring concrete is played
Good effect of contraction greatly improves the stress performance of rear pouring concrete.
Further, it is contiguous prefabricated less than at other positions to be located at the distance between contiguous prefabricated column tie-bar in joint cores
The distance between column tie-bar, to realize the reinforcement to joint cores.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of precast beam 2 in the present invention；
Fig. 3 is the location diagram of the first concrete column 1, the second concrete column 13 and joint cores 12 in the present invention；
Fig. 4 is the sectional view of the first concrete column 1 in the present invention.
Wherein, 1 be the first concrete column, 2 be precast beam, 3 be after pour section is poured after overlapping layers 3,4 is, 51 be the first spiral
Stirrup, 52 be the second tie hoop, 53 be third tie hoop, 6 for press connection sleeve, 71 be the first lower, transverse reinforcing bar,
72 be the second lower, transverse reinforcing bar, 73 be third lower, transverse reinforcing bar, 74 be the first middle part transverse steel, 75 be that the second middle part is horizontal
To reinforcing bar, 76 be upper lateral reinforcing bar, 8 be prefabricated beam stirrup, 9 be longitudinal reinforcement, 10 be triangular groove structure, 11 be key
Slot, 12 be joint cores, 13 be the second concrete column, 14 be prefabricated column tie-bar.
Specific embodiment
The invention will be described in further detail with reference to the accompanying drawing:
Referring to figs. 1 to Fig. 4, assembled integral concrete beam and column node of the present invention includes joint cores 12,
One concrete column 1, the second concrete column 13, joint cores 12, the first beams of concrete, the second beams of concrete, the first lower lateral
It is horizontal to reinforcing bar 71, the second lower, transverse reinforcing bar 72, third lower, transverse reinforcing bar 73, first the 74, second middle part of middle part transverse steel
To reinforcing bar 75, upper lateral reinforcing bar 76 and several longitudinal reinforcements 9；First concrete column 1 is located at the top of joint cores 12, the
Two concrete columns 13 are located at the lower part of joint cores 12；First beams of concrete and the second beams of concrete are located at joint cores 12
Two sides, and the first beams of concrete and the second beams of concrete include precast beam 2, after pour overlapping layers 3 and after pour section 4, wherein after
Section 4 is poured between precast beam 2 and joint cores 12, after pour and poured after overlapping layers 3 is located on section 4 and precast beam 2, and after pour it is folded
Close layer 3, after pour section 4 and poured with joint cores 12 and be integrated；One end of first lower, transverse reinforcing bar 71 is located at the first concrete
In the precast beam 2 of beam, the other end of the first lower, transverse reinforcing bar 71 be located at after the first beams of concrete pour in section 4 and with second under
One end of portion's transverse steel 72 is connected, and the other end of the second lower, transverse reinforcing bar 72 passes through joint cores 12 and is inserted in second
Pour after beams of concrete in section 4 and be connected with one end of third lower, transverse reinforcing bar 73, third lower, transverse reinforcing bar 73 it is another
One end is located in the precast beam 2 of the second beams of concrete；One end of first middle part transverse steel 74 is located at the pre- of the first beams of concrete
In beam 2 processed, the other end of the first middle part transverse steel 74 is inserted in joint cores after pouring section 4 after the first beams of concrete
In 12；One end of second middle part transverse steel 75 is located in the precast beam 2 of the second beams of concrete, the second middle part transverse steel 75
The other end is inserted in joint cores 12 after pouring section 4 after the second beams of concrete；One end position of upper lateral reinforcing bar 76
It is poured after the first beams of concrete in overlapping layers 3, the other end of upper lateral reinforcing bar 76 is inserted in after passing through joint cores 12
It is poured after second beams of concrete in overlapping layers 3；Upper lateral reinforcing bar 76 and the first middle part transverse steel 74 and the first lower, transverse
Between reinforcing bar 71, between upper lateral reinforcing bar 76 and the first middle part transverse steel 74 and the second lower, transverse reinforcing bar 72, upper lateral
To between reinforcing bar 76 and the second middle part transverse steel 75 and the second lower, transverse reinforcing bar 72, in the middle part of upper lateral reinforcing bar 76 and second
It is connected by prefabricated beam stirrup 8 between transverse steel 75 and third lower, transverse reinforcing bar 73；One end position of each longitudinal reinforcement 9
In in the first concrete column 1, the other end of each longitudinal reinforcement 9 is inserted in the second concrete column 13 after passing through joint cores 12
It is interior.
Pass through between third lower, transverse reinforcing bar 73 and the first lower, transverse reinforcing bar 71 and the second lower, transverse reinforcing bar 72
Press connection sleeve 6 to be connected；It is located at the end in joint cores 12 and the second middle part cross on first middle part transverse steel 74
The end being located in joint cores 12 on reinforcing bar 75 is 90-degree bent.
The contact surface for pouring overlapping layers 3 on precast beam 2 with after is rectangular recess structure；The contact of section 4 is poured on precast beam 2 with after
Face is triangular groove structure 10；The face being in contact on first concrete column 1 with joint cores 12 and the second concrete column
The face being in contact on 13 with joint cores 12 is provided with keyway 11.
The invention also includes the first tie hoop 51, the second tie hoop 52 and third tie hoops 53, wherein the first spiral shell
Rotation stirrup 51 pours in overlapping layers 3 after being located at, and the first tie hoop 51 is fixed on upper lateral reinforcing bar 76；Second tie hoop
52 pour in section 4 after the first beams of concrete, and the second tie hoop 52 is fixed on the first lower, transverse reinforcing bar 71 and second
On lower, transverse reinforcing bar 72；Third tie hoop 53 pours in section 4 after being located at the second beams of concrete, and third tie hoop 53 is solid
Due on the second lower, transverse reinforcing bar 72 and third lower, transverse reinforcing bar 73.
The invention also includes several prefabricated column tie-bars 14, prefabricated column tie-bar 14 is socketed on each longitudinal reinforcement 9, and each prefabricated
Column tie-bar 14 is sequentially distributed along longitudinal direction, and is located at the distance between contiguous prefabricated column tie-bar 14 in joint cores 12 and is less than other
The distance between contiguous prefabricated column tie-bar 14 at position.
Precast beam 2 need to carry out stirrup encryption pouring the end that section 4 is connect with after, to improve the shearing strength and modeling of linkage section
Property turning power.Precast beam 2 is coarse by the polishing of its surface when prefabricated, the end of the first middle part transverse steel 74 and the second middle part
The end of transverse steel 75 carries out 90 ° of bendings, and bending length is 12 times of bar diameters.After pour overlapping layers 3, after pour section 4 and node
The rear pouring concrete intensity that core space 12 uses is not less than the coagulation of precast beam 2, the first concrete column 1 and the second concrete column 13
Fiber concrete or high performance concrete can be used if wanting to further increase joint behavior in native intensity.
The construction method of assembled integral concrete beam and column node of the present invention the following steps are included:
1) the prefabricated of precast beam 2, the first concrete column 1 and the second concrete column 13 is carried out in the factory, is then transported
Construction site；
2) lifting for carrying out precast beam 2, the first concrete column 1 and the second concrete column 13, then carries out the second lower lateral
To reinforcing bar 72, upper lateral reinforcing bar 76 and after pour the binding of prefabricated beam stirrup 8 at section 4；
3) poured after carrying out overlapping layers 3, after pour pouring for section 4 and joint cores 12.
Simple structure of the present invention, power transmission are clear, convenient for the design and construction in actual production, and help to improve building matter
Amount shortens construction period, energy saving and clean manufacturing, can effectively improve structural integrity and shock resistance.
The foregoing is merely the preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of assembled integral concrete beam and column node, which is characterized in that including joint cores (12), the first concrete column
(1), the second concrete column (13), joint cores (12), the first beams of concrete, the second beams of concrete, the first lower, transverse steel
Muscle (71), the second lower, transverse reinforcing bar (72), third lower, transverse reinforcing bar (73), the first middle part transverse steel (74), in second
Portion's transverse steel (75), upper lateral reinforcing bar (76) and several longitudinal reinforcements (9)；
First concrete column (1) is located at the top of joint cores (12), and the second concrete column (13) is located at joint cores
(12) lower part；
First beams of concrete and the second beams of concrete are located at the two sides of joint cores (12), and the first beams of concrete and second mixed
Solidifying Tu Liang include precast beam (2), after pour overlapping layers (3) and after pour section (4), wherein after pour section (4) be located at precast beam (2) with
Between joint cores (12), after pour and poured after overlapping layers (3) is located on section (4) and precast beam (2), and after pour overlapping layers (3), after
It pours section (4) and is poured with joint cores (12) and is integrated；
One end of first lower, transverse reinforcing bar (71) is located in the precast beam (2) of the first beams of concrete, the first lower, transverse reinforcing bar
(71) the other end pours in section (4) after being located at the first beams of concrete and is connected with one end of the second lower, transverse reinforcing bar (72)
It connects, the other end of the second lower, transverse reinforcing bar (72) passes through after joint cores (12) are inserted in the second beams of concrete and pours section
(4) it is connected in and with one end of third lower, transverse reinforcing bar (73), the other end of third lower, transverse reinforcing bar (73) is located at the
In the precast beam (2) of two beams of concretes；
One end of first middle part transverse steel (74) is located in the precast beam (2) of the first beams of concrete, the first middle part transverse steel
(74) the other end is inserted in joint cores (12) after pouring section (4) after the first beams of concrete；Second middle part is laterally
One end of reinforcing bar (75) is located in the precast beam (2) of the second beams of concrete, and the other end of the second middle part transverse steel (75) passes through
It is inserted in joint cores (12) after pouring section (4) after second beams of concrete；
One end of upper lateral reinforcing bar (76) is poured in overlapping layers (3) after being located at the first beams of concrete, upper lateral reinforcing bar (76)
The other end pass through to be inserted in after the second beams of concrete after joint cores (12) and pour in overlapping layers (3)；
Between upper lateral reinforcing bar (76) and the first middle part transverse steel (74) and the first lower, transverse reinforcing bar (71), upper lateral
Between reinforcing bar (76) and the first middle part transverse steel (74) and the second lower, transverse reinforcing bar (72), upper lateral reinforcing bar (76) and the
Between two middle part transverse steels (75) and the second lower, transverse reinforcing bar (72), upper lateral reinforcing bar (76) and the second lateral steel in middle part
It is connected by prefabricated beam stirrup (8) between muscle (75) and third lower, transverse reinforcing bar (73)；
One end of each longitudinal reinforcement (9) is located in the first concrete column (1), and the other end of each longitudinal reinforcement (9) passes through node core
It is inserted in after heart district (12) in the second concrete column (13).
2. assembled integral concrete beam and column node according to claim 1, which is characterized in that third lower, transverse reinforcing bar
(73) by pressing, connect sleeve (6) connected between the first lower, transverse reinforcing bar (71) and the second lower, transverse reinforcing bar (72)
It connects.
3. assembled integral concrete beam and column node according to claim 1, which is characterized in that on precast beam (2) with after
The contact surface for pouring overlapping layers (3) is rectangular recess structure.
4. assembled integral concrete beam and column node according to claim 1, which is characterized in that on precast beam (2) with after
The contact surface for pouring section (4) is triangular groove structure (10).
5. assembled integral concrete beam and column node according to claim 1, which is characterized in that further include the first spiral hoop
Muscle (51), wherein the first tie hoop (51) is poured after being located in overlapping layers (3), and the first tie hoop (51) is fixed on top
On transverse steel (76).
6. assembled integral concrete beam and column node according to claim 5, which is characterized in that further include the second spiral hoop
Muscle (52) and third tie hoop (53), wherein the second tie hoop (52) pours in section (4) after being located at the first beams of concrete,
And second tie hoop (52) be fixed on the first lower, transverse reinforcing bar (71) and the second lower, transverse reinforcing bar (72)；Third spiral
Stirrup (53) pours in section (4) after being located at the second beams of concrete, and third tie hoop (53) is fixed on the second lower, transverse steel
On muscle (72) and third lower, transverse reinforcing bar (73).
7. assembled integral concrete beam and column node according to claim 1, which is characterized in that further include several prefabricated posts
Stirrup (14), prefabricated column tie-bar (14) is socketed on each longitudinal reinforcement (9), and each prefabricated column tie-bar (14) successively divides along longitudinal direction
Cloth, and be located at the distance between contiguous prefabricated column tie-bar (14) in joint cores (12) and be less than contiguous prefabricated column at other positions
The distance between stirrup (14).
8. assembled integral concrete beam and column node according to claim 1, which is characterized in that the first concrete column (1)
The upper face being in contact with joint cores (12) and the face being in contact on the second concrete column (13) with joint cores (12)
It is provided with keyway (11).
9. assembled integral concrete beam and column node according to claim 1, which is characterized in that the first middle part transverse steel
(74) it is located on the end in joint cores (12) and the second middle part transverse steel (75) on and is located in joint cores (12)
End be 90-degree bent.
10. a kind of construction method of assembled integral concrete beam and column node described in claim 1, which is characterized in that including
Following steps:
1) the prefabricated of precast beam (2), the first concrete column (1) and the second concrete column (13) is carried out in the factory, is then transported
To construction site；
2) lifting for carrying out precast beam (2), the first concrete column (1) and the second concrete column (13), then carries out the second lower part
Transverse steel (72), upper lateral reinforcing bar (76) and after pour the binding of prefabricated beam stirrup (8) at section (4)；
3) poured after carrying out overlapping layers (3), after pour pouring for section (4) and joint cores (12).
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Cited By (1)
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| CN112814151A (en) * | 2020-12-30 | 2021-05-18 | 南京航空航天大学 | Connecting method of basic magnesium sulfate cement concrete assembled frame nodes |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112814151A (en) * | 2020-12-30 | 2021-05-18 | 南京航空航天大学 | Connecting method of basic magnesium sulfate cement concrete assembled frame nodes |
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