CN202220403U - Prefabricated reinforced concrete structural column used in fabricated building - Google Patents
Prefabricated reinforced concrete structural column used in fabricated building Download PDFInfo
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- CN202220403U CN202220403U CN2011203367758U CN201120336775U CN202220403U CN 202220403 U CN202220403 U CN 202220403U CN 2011203367758 U CN2011203367758 U CN 2011203367758U CN 201120336775 U CN201120336775 U CN 201120336775U CN 202220403 U CN202220403 U CN 202220403U
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Abstract
The utility model relates to a prefabricated reinforced concrete structural column used in a fabricated building, and the prefabricated reinforced concrete structural column is characterized in that the longitudinal force within the concrete at the connection node location of the column and a girder is still from a column steel bar, the concrete at the column connection node location is not provided with a post-cast section so as to form a complete prefabricated column, an external thread is arranged at the side section of the outstretched connecting steel bar, which at least stretches out of the column, at least one end of the longitudinal column is also provided with a shape steel joint and a connecting steel bar which stretch out of the end face. The prefabricated reinforced concrete column can be computed into a chart by adopting existing design software of the reinforced concrete column, the column structural reinforcing steel bar is speedily connected with the girder structural reinforcing steel bar by adopting sleeve screw threads and chemical bond; the columns are connected with each other in vertical direction by adopting chemical grouting, and reinforcing steel bars of the fabricated building can be speedily connected, and therefore, the assembly speed of the fabricated building structure can be greatly increased, and a large amount of labor used can be saved. The column connection node and the girder connection node are not provided with the post-cast sections, and therefore, the intensity of the node concrete can reach or even overpass the intensity of existing cast reinforced concrete column structure; node concretes are in sleeve connection, so that the connection node can be enhanced and can act as a strong node in earthquake resistance.
Description
Technical field
Utility model is that the applicant is formerly applied for a patent 201010120198.9 buildings with the further improvement of prefabricated reinforced concrete post and perfect; Relate in particular to a kind of existing building design that do not change, can realize that the assembled architecture of Fast Installation construction is used the prefabricated reinforced concrete structural column.
Background technology
The applicant formerly applies for a patent 201010120198.9 " prefabricated reinforced concrete post and beam connecting nodes "; A kind of prefabricated precast reinforced concrete column that has with beam connecting node has been proposed; Its structure is that post is provided with axial steel pipe (rigid steel pile) at least with in the prefabricated reinforced concrete beam connecting portion section cross section; Steel pipe and beam joint face have the shaped steel joint that extends radially out the column side; The connecting reinforcement of the heart and tie-beam structure reinforcing bars leaves with the beam connecting node position and not to water the concrete section, at the scene assembling and teeming again after beam is connected.This structure prefabricated reinforced concrete post adopts the shaped steel joint to be connected the common connected node of forming with reinforcing bar, makes post and beam connecting node can become strong node; Shock resistance is good, is meeting under the earthquake sharp pounding, and the reinforcing bar up and down and the concrete of connected node are damaged; And the shaped steel joint is good because of plasticity; Do not lose the shearing resistance function, thereby have better anti, thereby be desirable post of a kind of assembled architecture and beam connecting node.Yet 3 deficiencies are arranged still in practical application: the one, rear pouring concrete is left at post and beam connecting node position; Stressed for satisfying the post assembling, node vertically adopts steel pipe, and variation has taken place the designing and calculating that just gets post; Original steel bar concrete column software for calculation can not use; This position needs to calculate separately separately, has increased the post design difficulty, promotes to assembled architecture and brings certain limitation; And owing to there is the section of watering behind the concrete (prefabricated not exclusively build) owing to there is difference in shrinkage, may cause post about the each point concrete compressive strength be not equal to; The 2nd, the connecting reinforcement that connected node is connected with beam up-down structure reinforcing bar need connect by root bead when being connected with beam in succession, and according to code of building design; The single face weld length need reach 10D, and two-sided welding need reach 5D, and connecting reinforcement is numerous; It is very big to make that reinforcing bar connects the welding job amount, and along with the continuing to increase of cost of labor, it is more outstanding that welding recruitment cost increases contradiction; And cause the assembling construction unhappy, add to be welded as aerial work, influenced by operating condition and human factor; Welding quality that to guarantee uniformity, can stay hidden danger of quality; The 3rd, the section of watering after connected node exists, prefabricated reinforced concrete post intensity before teeming can not be brought into play fully fully, makes assembling not carry out continuously, and it is slack-off also to cause constructing, forfeiture assembled architecture part quick function.
Chinese patent CN201581496U retard-bonded prestressed prefabricated integral frame joint system comprises precast concrete column, left precast concrete beam and right precast concrete beam; Be laid with the delayed bonding prestressed tendon that stretches out in the left and right precast concrete beam respectively, left and right beam is connected with post, through connector delayed bonding prestressed tendon is connected after, pour into a mould pea gravel concreten again and link into an integrated entity.This joint system deficiency is: still there is the ater-casting in a prefabricated post position of joints, needs on-the-spot and beam assembling back teeming concrete, waters shortcoming after same the existence; It is to be connected with opposed another beam that two beam links stretch out reinforcing bar, and versatility is not enough; The general bending anchor connection of adopting between three beams and post reinforcing bar, lacking increases connection, and connected node is a weak link, and vibration resistance is poor; Can not show fast-assembling on four structures and connect, so defective is not effectively overcome yet in the prior art, still having is worth improved place.
The utility model content
The utility model purpose is to overcome the deficiency of above-mentioned prior art, provides a kind of and need not change original reinforced concrete pile design, and can realize that the beam-column connection reinforcing bar connects fast, reduces the dress formula building precast reinforced concrete structure post of assembly cost greatly.
The utility model purpose realizes that main the improvement is prefabricated concrete post and beam connecting node position, and the longitudinal stress member still adopts former post reinforcing bar in the concrete, and prefabricatedly builds the section of watering after once completion is not stayed; On the post with beam connecting node on the connecting reinforcement that is connected with beam up-down structure reinforcing bar that stretches out, stretching out the post side section at least has external screw thread, thereby overcomes the prior art deficiency, realizes the utility model purpose.Specifically; The utility model assembled architecture is used the prefabricated reinforced concrete structural column, comprises the prefabricated reinforced concrete post, with the beam connecting portion shaped steel joint and the connecting reinforcement that stretches out the post side is being arranged; It is characterized in that longitudinal stress still is the post reinforcing bar in post and the beam connecting node position concrete; The section of watering did not become complete prefabricated post after column jointing gusset position concrete did not stay, and the connecting reinforcement that stretches out stretches out the post side section at least has external screw thread, and the vertical at least one end of post also has shaped steel joint and the connecting reinforcement that stretches out end face.
Among the present invention,
Stretch out the pre-buried shaped steel joint of column side; Be mainly used in beam and realize that fast-assembling is connected, and (the earthquake judder causes reinforcing bar and concrete to destroy, and the type joint is because of there being good shearing resistance function to form the good strong connected node of shock resistance; Still play a role, make the building node not lose the shearing resistance function).Wherein a kind ofly be preferably employing, have better stress performance wearing the shaped steel joint of column.
Stretch out post side and the connecting reinforcement that beam up-down structure reinforcing bar is connected, be mainly used in beam up-down structure reinforcing bar and be connected, it is stressed to form strong node structure.Connecting reinforcement stretches out the post side section has external screw thread; Be of the present invention one innovation greatly; Be mainly used in and realize being connected, adopts more quick and do not influence the bush whorl and the chemical bonding connection of bonding strength, no longer employing slow being welded to connect of constructing with the quick of beam steel; Connect fast thereby reach reinforcing bar, these are maximum different for the existing assembled architecture member of difference.From connect both satisfied stressed, most economical again angle, a kind of be preferably reach be bar diameter 1.5-2.5 doubly, and be threaded into the post side and, the most economical.For guaranteeing that connected node becomes superpower node, a kind of better is that horizontal threaded connecting reinforcement diameter is stretched out greater than at least one grade of beam steel in the post side, diminishes with actual loading diameter after remedying the reinforcing bar machining screw.Simultaneously owing to adopt the steel pipe sleeve to connect; Make that stretching out connecting reinforcement intensity on the post is enhanced; Intensity surpasses reinforcing bar itself, makes post stretch out the connecting reinforcement weak part like this and moves to the branch sleeve outer end outward, thereby the tie-beam stress performance is further improved; Also improve anti-seismic performance, surpassed common welding (being welded to connect the reinforcing bar weakness moves) outward.
In addition; If be connected for cross with beam connecting node or the right angle connection for post; For making things convenient for connecting reinforcement intersect to lay, intersect and two can adopt the bar diameter that misplaces at least mode that is arranged above and below to connecting reinforcement up and down, the coordination cross wise reinforcement does not need to bend separately like this.When the prefabricated reinforced concrete beam, the up-down structure reinforcing bar height of transverse beam and longitudinal beam is also misplaced simultaneously, be convenient to stretch out connecting reinforcement and be connected with post.
The section of watering did not become complete prefabricated post after column jointing gusset position concrete did not stay; When being meant prefabrication structure concrete post; The total cross-section casting complete does not stay the section of watering behind the erecting yard, makes precast construction column jointing gusset section be similarly complete concrete column, not be used in after the erecting yard assembling teeming concrete again; Thereby overcome the deficiency of back teeming concrete, this is the another distinguishing characteristics that is different from prior art.
The vertical at least one end of post also has shaped steel joint and the connecting reinforcement that stretches out end face, is used for post equally and is connected with the quick assembling of post with basis and highrise building prefabricated post.Owing to be connected to vertical connection, so it stretches out not machining screw (can certainly adopt screw thread) of reinforcing bar, and directly adopts the sleeve chemical grouting to connect.
This patent relates generally to post and beam connecting node, and the improvement of styletable connector, especially adopts sleeve+chemical bonding to substitute and is welded to connect, and realizes fast-assembling, and all the other do not relate to by common reinforced concrete pile norm of construction.
Utility model is joined formula building precast reinforced concrete structure post; With respect to prior art; Because the prefabricated reinforced concrete post is still adopting the rod structure reinforcing bar with beam connecting node section longitudinal stress; Thereby the prefabricated reinforced concrete post can adopt existing reinforced concrete pile design software to calculate to publish picture, and do not need to change separately post basis of calculation standard, greatly made things convenient for the popularization of prefabricated reinforced concrete post.The section of watering after connected node position concrete does not stay, prefabricated completion can reach cast-in-situ reinforced concrete post force structure intensity.Position of joints crosses out the connecting reinforcement band external screw thread that is connected with the girder construction reinforcing bar at least, make need not to be welded to connect when being connected with the girder construction reinforcing bar, and the employing bush whorl+(sleeve is passed through in connection in chemical bonding connection; Threaded one end connects, and end slip casting chemistry connects), post vertically is connected with post; Adopt the sleeve chemical grouting to connect, thereby realized the quick connection of assembled architecture reinforcing bar, accelerated the structure assembling speed greatly; A large amount of amounts of labour used have been saved; Auxilliary post is the section of watering without male offspring, can realize the quick continuously construction of assembling, helps realizing industrialization of construction industry.Post adopts the steel pipe sleeve to be connected with beam steel; Make that also stretching out connecting reinforcement intensity on the post is enhanced; Intensity surpasses reinforcing bar itself, makes post stretch out the connecting reinforcement weak part like this and moves to the branch sleeve outer end outward, thereby the tie-beam stress performance is further improved; Also improve anti-seismic performance, surpassed common welding.Horizontal connected node of post and vertical connected node all adopt the pre-buried steel joint, and do not stay the rear pouring concrete section with beam connecting node; Not only kept the strong connected node of applicant's first to file patent again; And the quick assembling that helps implementation structure, and make the node concrete strength can meet or exceed cast-in-situ reinforced concrete rod structure intensity, and make assembled architecture have good anti-seismic performance; At least laterally connect and adopt threaded reinforcing bar; Realize the quick connection of reinforcing bar, greatly reduce with beam assembling connecting reinforcement and be connected workload that post and beam connecting node vertically still adopt the post reinforcing bar; Do not change the design of post reinforced concrete pile, these constitute the maximum distinguishing characteristics of this patent jointly.
Below in conjunction with several exemplary embodiments; Utility model essence is further understood in exemplary illustration and help; But the embodiment detail only is in order utility model to be described, not to be represented utility model design whole technical schemes down, therefore should not be construed as the total technical scheme of utility model to be limited; Some are In the view of the technician; The unsubstantiality that does not depart from utility model design increases and/or changes, and simple the change or replacement of technical characterictic to have same or similar technique effect for example all truely used novel protected scope.
Description of drawings
Fig. 1 is utility model prefabricated reinforced concrete post and assembling sketch map.
Fig. 2 is Figure 1A-A cross section post and post connecting portion structural representation.
Fig. 3 is Figure 1B-B cross section post and beam connecting portion structural representation.
Fig. 4 is post and the basis sketch map that is linked and packed.
Fig. 5-8 is respectively various cross sections cylindricality (Figure 1A-A cross section) post and post connecting portion structural representation.
Fig. 9-16 is respectively various cross sections cylindricality (Figure 1B-B cross section) post and beam connecting portion structural representation.
The specific embodiment
Embodiment 1: referring to Fig. 1-4, the utility model assembled architecture is with prefabricated reinforced concrete structural column 2, and the cross section is rectangular or square; Longitudinal stress (comprising and the beam connecting node position) is made the post cage of reinforcement by the load reinforcing bar 5 of design in the concrete; With beam connecting node position (is example with the cross tie-beam), have the through post of being used to cross section to stretch out side shaped steel joint 3 (inner be connected) with the post reinforcing bar, with tie-beam up-down structure reinforcement location; Respectively have the stretching of being used to go out post side, diameter greater than grade of girder construction reinforcing bar, be with externally threaded connecting reinforcement 4; Stretch out reach 5cm, be threaded into the post side, 1 bar diameter of the cross connecting reinforcement discrepancy in elevation is arranged; The section of watering behind the concrete (factory builds and accomplishes the post uniform section) is not stayed at the connected node position, becomes complete concrete post.At least one end face of post (embodiment for up and down both ends of the surface) has the shaped steel joint 6 that stretches out end face, and connecting reinforcement 5 (extension of post reinforcing bar).
Assembling: post 2 and basis 1; And post is connected with post, after the joint pin lifting puts in place, at first will be relative stretch out shaped steel joint 6 connection positioning and fixing; Simultaneously put branch sleeve 8 on the connecting reinforcement 5 stretching out; In sleeve, inject the chemical bonding slurry, solidify back formation sleeve chemistry and connect, connect the back and fill a high label concrete 7 at connecting portion.Post is connected with the beam assembling, after the lifting beam puts in place, at first connects shaped steel joint 3; On the beam connecting reinforcement, put simultaneously the tapped branch sleeve (not shown) of at least one end; After the connection of shaped steel joint was fixing, turnbarrel made sleeve and post stretch out threaded connecting reinforcement and is spirally connected, and in sleeve, injected the chemical bonding slurry; Make sleeve and beam stretch out connecting reinforcement formation sleeve bonding and be connected, fill a high label concrete at connecting portion at last.
Branch sleeve can adopt the applicant formerly to apply for a patent 2011203214019 said branch sleeves, can certainly adopt other forms of branch sleeve.
Embodiment 2: referring to Fig. 5-16, like embodiment 1, prefabricated reinforced concrete post 2 cross sectional shapes can be L shaped (Fig. 5), T shape (Fig. 6), and cross (Fig. 7), in-line (Fig. 8), at least one end of longitudinal terminal surface all have to stretch out and connect shaped steel joint 6 and stretch out joint pin reinforcing bar 5; Post and beam connecting node, connecting each face has the shaped steel joint 3 and threaded connecting reinforcement 4 that stretches out the post side, and this section concrete post inner frame still is a post reinforcing bar 5, and does not all stay the section of watering behind the concrete.Post is connected with post referring to Fig. 5-8, and post is connected with beam referring to Fig. 9-16, and wherein Figure 13-16 has been respectively and has connected the outrigger structure.
To those skilled in the art, under this patent design and specific embodiment enlightenment, some distortion that can directly derive or associate from this patent disclosure and general knowledge; Those of ordinary skills will recognize also can adopt additive method, or uses substituting of known technology in the prior art always, and the equivalence of characteristic changes or modification; Mutual various combination between characteristic, for example column section can also between other are abnormally-structured, column section and reinforcing bar configuration are different; Column length changes, or the like unsubstantiality change, can be employed equally; Can both realize this patent representation function and effect, launch for example no longer one by one to describe in detail, all belong to this patent protection domain.
Claims (5)
1. assembled architecture is used the prefabricated reinforced concrete structural column; Comprise the prefabricated reinforced concrete post; With the beam connecting portion shaped steel joint and the connecting reinforcement that stretches out the post side arranged, it is characterized in that longitudinal stress still is the post reinforcing bar in post and the beam connecting node position concrete, the section of watering became complete prefabricated post after column jointing gusset position concrete did not stay; The connecting reinforcement that stretches out stretches out the post side section at least has external screw thread, and the vertical at least one end of post also has shaped steel joint and the connecting reinforcement that stretches out end face.
2. according to the said formula building precast reinforced concrete structure post of joining of claim 1, the shaped steel joint that it is characterized in that stretching out the post side is to wearing column.
3. according to claim 1 or the 2 said formula building precast reinforced concrete structure posts of joining, it is characterized in that stretching out post side connecting reinforcement reach is 1.5-2.5 times of bar diameter, and is threaded into the post side.
4. according to claim 1 or the 2 said formula building precast reinforced concrete structure posts of joining, it is characterized in that stretching out post side connecting reinforcement diameter greater than at least one grade of beam steel.
5. according to claim 1 or the 2 said formula building precast reinforced concrete structure posts of joining, it is characterized in that stretching out post side connecting reinforcement and intersect and lay, intersect and two be arranged above and below to the connecting reinforcement bar diameter that misplaces at least up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203367758U CN202220403U (en) | 2011-09-08 | 2011-09-08 | Prefabricated reinforced concrete structural column used in fabricated building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203367758U CN202220403U (en) | 2011-09-08 | 2011-09-08 | Prefabricated reinforced concrete structural column used in fabricated building |
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| Publication Number | Publication Date |
|---|---|
| CN202220403U true CN202220403U (en) | 2012-05-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203367758U Expired - Fee Related CN202220403U (en) | 2011-09-08 | 2011-09-08 | Prefabricated reinforced concrete structural column used in fabricated building |
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| CN (1) | CN202220403U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102383530A (en) * | 2011-09-08 | 2012-03-21 | 张吉华 | Prefabricated reinforced concrete structural column for prefabricated buildings |
| CN109707036A (en) * | 2018-12-14 | 2019-05-03 | 哈尔滨工业大学（深圳） | A kind of detachable pre-fabricated one and its assembly method based on fashioned iron connection |
| CN111456229A (en) * | 2019-01-22 | 2020-07-28 | 润弘精密工程事业股份有限公司 | Beam-column joint structure, beam-column joint method, and building structure using the beam-column joint structure |
-
2011
- 2011-09-08 CN CN2011203367758U patent/CN202220403U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102383530A (en) * | 2011-09-08 | 2012-03-21 | 张吉华 | Prefabricated reinforced concrete structural column for prefabricated buildings |
| CN109707036A (en) * | 2018-12-14 | 2019-05-03 | 哈尔滨工业大学（深圳） | A kind of detachable pre-fabricated one and its assembly method based on fashioned iron connection |
| CN111456229A (en) * | 2019-01-22 | 2020-07-28 | 润弘精密工程事业股份有限公司 | Beam-column joint structure, beam-column joint method, and building structure using the beam-column joint structure |
| CN111456229B (en) * | 2019-01-22 | 2022-06-07 | 润弘精密工程事业股份有限公司 | Beam-column joint structure, beam-column joint method, and building structure |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120516 Termination date: 20120908 |