CN109339230A - A kind of prefabricated assembling type reinforced concrete column splicing node structure and its construction method - Google Patents
A kind of prefabricated assembling type reinforced concrete column splicing node structure and its construction method Download PDFInfo
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- CN109339230A CN109339230A CN201811371722.2A CN201811371722A CN109339230A CN 109339230 A CN109339230 A CN 109339230A CN 201811371722 A CN201811371722 A CN 201811371722A CN 109339230 A CN109339230 A CN 109339230A
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- column
- vertical muscle
- reinforced column
- grouting
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- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 20
- 238000010276 construction Methods 0.000 title claims abstract description 16
- 239000011374 ultra-high-performance concrete Substances 0.000 claims abstract description 13
- 210000003205 muscle Anatomy 0.000 claims description 42
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 239000011440 grout Substances 0.000 claims description 12
- 239000008267 milk Substances 0.000 claims description 12
- 210000004080 milk Anatomy 0.000 claims description 12
- 235000013336 milk Nutrition 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 239000004567 concrete Substances 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims 1
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 239000004574 high-performance concrete Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000002002 slurry Substances 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
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a kind of prefabricated assembling type reinforced concrete column splicing node structure and its construction methods, reinforced column including reinforced column on one and once, region between the lower end of upper reinforced column and the upper end of lower reinforced column is join domain, above-mentioned join domain has poured ultra-high performance concrete, and upper reinforced column and lower reinforced column are connected.Ultra-high performance concrete is applied between prefabricated assembling type reinforced concrete column by the present invention, takes full advantage of the resistance to compression and tensile property of ultra-high performance concrete brilliance, to solve the problems, such as that node region connection is weak.
Description
Technical field
The invention belongs to building structure technology fields, and in particular to a kind of prefabricated assembling type reinforced concrete column splicing node
Structure and its construction method.
Background technique
Precast reinforced concrete structure is one of the important directions of China's building structure development, prefabricated assembling type reinforced mixed
Solidifying earth pillar has many advantages, such as that product quality is controllable, environmentally protective and easy for construction.Column column connection type is fabricated construction system
In important connection type, it directly affects the speed of application and assembling degree of structure, therefore column column splicing node
Construction method should be simple as far as possible, and its intensity is not lower than the intensity of prefabricated reinforced concrete column.Current assembled steel reinforced coagulation
It mainly connects to form splicing node by grout sleeve between earth pillar.But be in the milk and connect for sleeve, reinforcing bar is in the milk by root to be connected
Heavy workload is connect, and there is presently no a kind of effective detection methods to detect to the quality of grout sleeve, the safety of structure
Risk hidden danger can not effectively eliminate.
Summary of the invention
It is an object of the invention to overcome prior art defect, a kind of prefabricated assembling type reinforced concrete column splicing section is provided
Point structure.
Another object of the present invention is to provide the constructions of above-mentioned prefabricated assembling type reinforced concrete column splicing node structure
Method.
Technical scheme is as follows:
A kind of prefabricated assembling type reinforced concrete column splicing node structure, comprising:
Reinforced column on one, cross section are square, and downward one cross section of projection in the middle part of bottom surface is positive
Rectangular tenon, and its lower end has several overhanging vertical muscle set on the tenon periphery；
Reinforced column once, cross section are square, thereon the one of the above-mentioned tenon of the recessed correspondence in the middle part of top surface
The groove that cross section is square, and the upper end has set on a pair of with above-mentioned several overhanging vertical muscle one of the periphery of the groove
Answer and size it is identical it is several under overhanging vertical muscle；
Region between the lower end of upper reinforced column and the upper end of lower reinforced column is join domain, above-mentioned convex
The lower end of tenon is inserted in above-mentioned groove, and the side length of the cross section of above-mentioned tenon is the cross section of above-mentioned upper reinforced column
The 20~30% of side length, the big 1.8~2.5mm of side length of the cross section of the above-mentioned tenon of the side ratio of the cross section of above-mentioned groove, if
Dry overhanging vertical muscle with it is several under overhanging vertical muscle mutually overlap and is tied up by iron wire and be connected, upper overhanging vertical muscle overhanging vertical muscle under
Overlapping regions length be upper overhanging vertical muscle and under 10~15 times of diameter of overhanging vertical muscle, above-mentioned join domain has poured super
Upper reinforced column and lower reinforced column are connected by high performance concrete, the peripheral wall of upper reinforced column
At least four pulp channels for being connected to the join domain equidistantly are offered, to guarantee that it is closely knit that ultra-high performance concrete pours.
In a preferred embodiment of the present invention, the side length of the cross section of the tenon is the upper reinforced column
Cross section side length 25%.
In a preferred embodiment of the present invention, the peripheral wall of the upper reinforced column equidistantly offers connection institute
Four pulp channels of join domain are stated, to guarantee that it is closely knit that ultra-high performance concrete pours.
In a preferred embodiment of the present invention, the diameter in the pulp channel is less than the net of overhanging vertical muscle on adjacent two
Away from.
The construction method of above-mentioned prefabricated assembling type reinforced concrete column splicing node structure, includes the following steps:
(1) be prefabricated in the factory upper reinforced column and lower reinforced column, reserves the good pulp channel, presets institute
State tenon and groove, and ensure overhanging vertical muscle and under overhanging vertical muscle extension with meet the lap of splice requirement；
(2) by the lower end of the tenon be inserted in the groove to upper reinforced column and lower reinforced column into
Row positioning, and corresponding overhanging vertical muscle overhanging vertical muscle under is subjected to binding using iron wire and is connected；
(3) several through-holes are opened in advance by the top of several steel forms and lower part are each, by high-strength screw by several steel forms
It is fixed on the outside wall surface of reinforced column and lower reinforced column, wherein the middle part of die plate is equipped at least one grouting
Mouthful, which is equipped with a grouting and is connected and fixed mechanism；
(4) grouting mechanism is connected and fixed mechanism with grouting to be connected, by being in the milk, mechanism is poured into the join domain
Ultra-high performance concrete stops pouring when the uniform grout in above-mentioned pulp channel, and with pulp channel of sealing with wax, and removes and fills
Pulp grinder structure, and block above-mentioned at least one grouting mouth；
(5) after pouring at least for 24 hours, several steel forms are removed,.
In a preferred embodiment of the invention, it includes being set to above grouting mouth that the grouting, which is connected and fixed mechanism,
One upper hopper chute, the gliding groove below grouting mouth and the hush panel being slidably arranged in the upper hopper chute and gliding groove, should
Grouting, which is connected and fixed mechanism, has a first state and one second state, when in the first state, hush panel closure grouting mouth,
When in the second state, hush panel makes mouth opening of being in the milk far from grouting mouth.
It is further preferred that the grouting mechanism includes a grout pipe, one end of the grout pipe is funnel-shaped, the other end
Edge extends outward to form end plate, and end plate sliding adapts in the upper hopper chute and gliding groove.
The beneficial effects of the present invention are:
1, ultra-high performance concrete is applied between prefabricated assembling type reinforced concrete column by the present invention, takes full advantage of super
The resistance to compression and tensile property of high performance concrete brilliance, to solve the problems, such as that node region connection is weak.
2, the present invention in ultra-high performance concrete assembly node material utilization amount it is small, simple structure, only with longitudinal reinforcement without
Stirrup need to be arranged again.
3, construction method of the invention technically has good feasibility, and construction method is simpler, ensure that existing
Field construction quality, improves site operation efficiency and safety.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that the present invention does not pour ultra-high performance concrete.
Fig. 2 is that the present invention pours the structural perspective after ultra-high performance concrete.
Fig. 3 is the structural schematic diagram in work progress of the present invention.
Fig. 4 is the structural schematic diagram that grouting of the invention is connected and fixed mechanism.
Fig. 5 is the structural schematic diagram of grouting mechanism of the invention.
Specific embodiment
Technical solution of the present invention is further explained and described below by way of specific embodiment.
As shown in Figure 1, a kind of prefabricated assembling type reinforced concrete column splices node structure, it is rectangular including cross section
Reinforced column 1 and once reinforced column 2 on one, the lower end of upper reinforced column 1 and lower reinforced column 2
Region between upper end is join domain 3.
Upper reinforced column 1, cross section is square, and downward one cross section of projection in the middle part of bottom surface is pros
The tenon 10 of shape, and its lower end has several overhanging vertical muscle 11 set on 10 periphery of tenon.
Lower reinforced column 2, cross section is square, thereon the one of the above-mentioned tenon 10 of the recessed correspondence in the middle part of top surface
The groove 20 that cross section is square, and the upper end have set on the groove 20 periphery with above-mentioned several overhanging vertical muscle 11
Correspond and size it is identical it is several under overhanging vertical muscle 21；
As shown in Figure 1 to Figure 2, the region between the lower end of upper reinforced column 1 and the upper end of lower reinforced column 2
For join domain 3, the lower end of above-mentioned tenon 10 is inserted in above-mentioned groove 20, and the side length of the cross section of above-mentioned tenon 10 is above-mentioned
The 25% of the side length of the cross section of upper reinforced column 1, the cross of the above-mentioned tenon 10 of the side ratio of the cross section of above-mentioned groove 20
The lower end of above-mentioned tenon 10 is inserted in above-mentioned groove 20 to guarantee to be accurately positioned by the big 1.8~2.5mm of the side length in section.If
Dry overhanging vertical muscle 11 with it is several under overhanging vertical muscle 21 mutually overlap and tied up by iron wire and be connected, upper overhanging vertical muscle 11 and it is lower outside
Stretch the overlapping regions of vertical muscle 21 length be the upper overhanging vertical muscle 11 and be described under 10 times of diameter of overhanging vertical muscle 21, it is above-mentioned
Join domain 3 has poured ultra-high performance concrete 6, and upper reinforced column 1 and lower reinforced column 2 are connected,
Its compression strength is more than 150MPa, and tensile strength is more than 15MPa, can significantly improve the bearing capacity and anti-seismic performance of join domain 3；
The peripheral wall of upper reinforced column 1 equidistantly offers the four pulp channels 12 for being connected to the join domain 3, to guarantee superelevation
Can concrete 6 pour closely knit, the diameter in pulp channel 12 is less than the clear distance of overhanging vertical muscle 11 on adjacent two, longitudinal to avoid influencing
The arrangement of reinforcing bar.
As shown in figure 3, the construction method of above-mentioned prefabricated assembling type reinforced concrete column splicing node structure, including walk as follows
It is rapid:
(1) be prefabricated in the factory upper reinforced column 1 and lower reinforced column 2, reserves the good pulp channel 12,
Preset the tenon 10 and groove 20, and ensure overhanging vertical muscle 11 and under overhanging vertical muscle 21 extension with meet overlap joint length
Degree requires；
(2) lower end of the tenon 10 is inserted in the groove 20 to upper reinforced column 1 and lower reinforced concrete
Earth pillar 2 is positioned, and by corresponding overhanging vertical muscle 11, the overhanging vertical muscle 21 under carries out binding and connects using iron wire；
(3) several through-holes are opened in advance by the top of four steel forms 7 and lower part are each, by high-strength screw by several steel forms 7
Four outside wall surfaces of reinforced column 1 and lower reinforced column 2 are fixed on, wherein the middle part of die plate 7 is equipped with one and fills
Mouth 70 is starched, which is equipped with a grouting and is connected and fixed mechanism 71；
As shown in Figure 4 and Figure 5, grouting is connected and fixed mechanism 71 and includes the upper hopper chute 711 for being set to 70 top of grouting mouth, sets
Gliding groove 712 and the hush panel 713 that is slidably arranged in the upper hopper chute 711 and gliding groove 712 in the one of grouting mouth 70 lower section,
The grouting is connected and fixed mechanism 71 with a first state and one second state, and when in the first state, hush panel 713 is closed
Be in the milk mouth 70, and when in the second state, hush panel 713 makes the opening of mouth 70 of being in the milk far from grouting mouth 70；Mechanism 8 of being in the milk includes one
One end of grout pipe 80, the grout pipe 80 is funnel-shaped, and the edge of the other end extends outward to form end plate 81, and the end plate 81 is sliding
It is dynamic to adapt in the upper hopper chute 711 and gliding groove 712；
The internal diameter of grout pipe 80 is identical as the grouting diameter of mouth 70
(4) end plate 81 for mechanism 8 of being in the milk is inserted into upper hopper chute 711 and gliding groove 712, along upper hopper chute 711 and gliding groove
712 push hush panel 713 open, and the mechanism 8 that makes to be in the milk is connected and fixed mechanism 71 with grouting and is connected, by mechanism 8 of being in the milk to the connection
Ultra-high performance concrete 6 is poured in region 3, when above-mentioned 12 uniform grout of pulp channel, stops pouring, and with sealing with wax out
Channel 12 is starched, pushes hush panel 713 to eject the end plate 81 of grouting mechanism 8, makes 713 return of hush panel with plugging grouting mouth 70；
(5) after pouring at least for 24 hours, steel form 7 is removed, fills in screw hole cement slurry and with sealing with wax.
The foregoing is only a preferred embodiment of the present invention, the range that the present invention that therefore, it cannot be limited according to is implemented, i.e.,
Equivalent changes and modifications made in accordance with the scope of the invention and the contents of the specification should still be within the scope of the present invention.
Claims (7)
1. a kind of prefabricated assembling type reinforced concrete column splices node structure, it is characterised in that: include:
Reinforced column on one, cross section are square, and downward one cross section of projection in the middle part of bottom surface is square
Tenon, and its lower end have set on the tenon periphery several overhanging vertical muscle；
Reinforced column once, cross section are square, and the one of the above-mentioned tenon of the recessed correspondence in the middle part of top surface is transversal thereon
The groove that face is square, and the upper end have set on the periphery of the groove corresponded with above-mentioned several overhanging vertical muscle and
Size it is identical it is several under overhanging vertical muscle；
Region between the lower end of upper reinforced column and the upper end of lower reinforced column is join domain, above-mentioned tenon
Lower end is inserted in above-mentioned groove, and the side length of the cross section of above-mentioned tenon is the side length of the cross section of above-mentioned upper reinforced column
20~30%, the side length big 1.8~2.5mm, Ruo Ganshang of the cross section of the above-mentioned tenon of the side ratio of the cross section of above-mentioned groove
Overhanging vertical muscle with it is several under overhanging vertical muscle mutually overlap and tied up by iron wire and be connected, upper overhanging vertical muscle and under overhanging vertical muscle take
Connect region length be upper overhanging vertical muscle and under 10~15 times of diameter of overhanging vertical muscle, above-mentioned join domain has poured superelevation
Energy concrete, upper reinforced column and lower reinforced column is connected, between peripheral wall of upper reinforced column etc.
Away from at least four pulp channels for being connected to the join domain are offered, to guarantee that it is closely knit that ultra-high performance concrete pours.
2. a kind of prefabricated assembling type reinforced concrete column as described in claim 1 splices node structure, it is characterised in that: described
The side length of the cross section of tenon is the 25% of the side length of the cross section of the upper reinforced column.
3. a kind of prefabricated assembling type reinforced concrete column as described in claim 1 splices node structure, it is characterised in that: described
The peripheral wall of upper reinforced column equidistantly offers the four pulp channels for being connected to the join domain, to guarantee that very-high performance is mixed
Solidifying soil pours closely knit.
4. a kind of prefabricated assembling type reinforced concrete column as described in claim 1 splices node structure, it is characterised in that: described
The diameter in pulp channel is less than the clear distance of overhanging vertical muscle on adjacent two.
5. a kind of prefabricated assembling type reinforced concrete column splicing node structure described in any claim in Claims 1-4
Construction method, characterized by the following steps:
(1) be prefabricated in the factory upper reinforced column and lower reinforced column, reserves the good pulp channel, presets described convex
Tenon and groove, and ensure overhanging vertical muscle and under overhanging vertical muscle extension with meet the lap of splice requirement；
(2) lower end of the tenon is inserted in the groove and upper reinforced column and lower reinforced column is determined
Position, and corresponding overhanging vertical muscle overhanging vertical muscle under is subjected to binding using iron wire and is connected；
(3) several through-holes are opened in advance by the top of several steel forms and lower part are each, fixed several steel forms by high-strength screw
In the outside wall surface of upper reinforced column and lower reinforced column, wherein the middle part of die plate is equipped at least one grouting mouth,
The grouting mouth is equipped with a grouting and is connected and fixed mechanism；
(4) grouting mechanism is connected and fixed mechanism with grouting to be connected, by being in the milk, mechanism pours superelevation into the join domain
Performance concrete stops pouring when the uniform grout in above-mentioned pulp channel, and with pulp channel of sealing with wax, and removes grouter
Structure, and block above-mentioned at least one grouting mouth；
(5) after pouring at least for 24 hours, several steel forms are removed,.
6. construction method as claimed in claim 5, it is characterised in that: it includes being set to grouting mouth that the grouting, which is connected and fixed mechanism,
One upper hopper chute of top, the gliding groove below grouting mouth and the sealing being slidably arranged in the upper hopper chute and gliding groove
Plate, the grouting are connected and fixed mechanism with a first state and one second state, and when in the first state, hush panel closing fills
Mouth is starched, when in the second state, hush panel makes mouth opening of being in the milk far from grouting mouth.
7. construction method as claimed in claim 6, it is characterised in that: the grouting mechanism includes a grout pipe, the grout pipe
One end it is funnel-shaped, the edge of the other end extends outward to form end plate, the end plate sliding adapts to the upper hopper chute and under
In sliding slot.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811371722.2A CN109339230A (en) | 2018-11-16 | 2018-11-16 | A kind of prefabricated assembling type reinforced concrete column splicing node structure and its construction method |
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| CN201811371722.2A CN109339230A (en) | 2018-11-16 | 2018-11-16 | A kind of prefabricated assembling type reinforced concrete column splicing node structure and its construction method |
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Cited By (9)
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| CN110952658A (en) * | 2019-12-23 | 2020-04-03 | 三一筑工科技有限公司 | Cavity prefabricated column node connecting structure and construction method |
| CN110952660A (en) * | 2019-12-23 | 2020-04-03 | 三一筑工科技有限公司 | Cavity prefabricated column node connecting structure and construction method |
| CN110952659A (en) * | 2019-12-23 | 2020-04-03 | 三一筑工科技有限公司 | Prefabricated column node connecting structure and construction method |
| CN113216397A (en) * | 2021-05-19 | 2021-08-06 | 西华大学 | Novel splicing mode of assembled GFRP (glass fiber reinforced plastic) pipe concrete column |
| CN113700154A (en) * | 2021-08-26 | 2021-11-26 | 上海宝冶集团有限公司 | Prefabricated assembled post connected node with joining fixture |
| CN113763541A (en) * | 2021-09-14 | 2021-12-07 | 广联达科技股份有限公司 | Method and device for calculating longitudinal bar in column and readable storage medium |
| CN114108807A (en) * | 2021-11-30 | 2022-03-01 | 江西理工大学 | Beam column connecting node |
| CN114508096A (en) * | 2022-03-03 | 2022-05-17 | 李硕 | Cement precast pile connecting piece |
| CN114541611A (en) * | 2022-03-17 | 2022-05-27 | 沈阳工业大学 | Prefabricated light lattice type concrete wall assembly structure system and construction method thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110952658A (en) * | 2019-12-23 | 2020-04-03 | 三一筑工科技有限公司 | Cavity prefabricated column node connecting structure and construction method |
| CN110952660A (en) * | 2019-12-23 | 2020-04-03 | 三一筑工科技有限公司 | Cavity prefabricated column node connecting structure and construction method |
| CN110952659A (en) * | 2019-12-23 | 2020-04-03 | 三一筑工科技有限公司 | Prefabricated column node connecting structure and construction method |
| CN110952659B (en) * | 2019-12-23 | 2020-12-01 | 三一筑工科技有限公司 | Prefabricated column node connecting structure and construction method |
| CN113216397A (en) * | 2021-05-19 | 2021-08-06 | 西华大学 | Novel splicing mode of assembled GFRP (glass fiber reinforced plastic) pipe concrete column |
| CN113700154A (en) * | 2021-08-26 | 2021-11-26 | 上海宝冶集团有限公司 | Prefabricated assembled post connected node with joining fixture |
| CN113763541A (en) * | 2021-09-14 | 2021-12-07 | 广联达科技股份有限公司 | Method and device for calculating longitudinal bar in column and readable storage medium |
| CN113763541B (en) * | 2021-09-14 | 2024-05-28 | 广联达科技股份有限公司 | Method and equipment for calculating longitudinal ribs in column and readable storage medium |
| CN114108807A (en) * | 2021-11-30 | 2022-03-01 | 江西理工大学 | Beam column connecting node |
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Application publication date: 20190215 |