CN217840354U - Assembled concrete beam column joint with concrete prefabricated rectangular pipe pile as upper column - Google Patents
Assembled concrete beam column joint with concrete prefabricated rectangular pipe pile as upper column Download PDFInfo
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- CN217840354U CN217840354U CN202121041230.4U CN202121041230U CN217840354U CN 217840354 U CN217840354 U CN 217840354U CN 202121041230 U CN202121041230 U CN 202121041230U CN 217840354 U CN217840354 U CN 217840354U
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Abstract
The utility model discloses an assembled concrete beam post node of prefabricated rectangle tubular pile of concrete as upper strata post, the upper strata post is prefabricated rectangle tubular pile of upper concrete, the lower terminal surface of prefabricated rectangle tubular pile of upper concrete has its steel ring from the area, the roof beam top that the structure roof beam is located beam post node district is equipped with annular steel sheet, the middle part trompil of steel ring and annular steel sheet all corresponds with the stake core hole of prefabricated rectangle tubular pile of upper concrete, the steel ring lower surface links to each other with annular steel sheet upper surface, be equipped with the reinforcing bar in beam post node district, the reinforcing bar upper end is connected on annular steel sheet, the lower extreme stretches into beam post node district anchor. Intercepting a section of pipe pile meeting the requirement on the standard pipe pile as a concrete prefabricated rectangular pipe pile, wherein the section of pipe pile comprises the bottom of the standard pipe pile, so that the pipe pile with a steel ring at the bottom can be used as a prefabricated column and is suitable for beam-column nodes; the utility model discloses beam column nodal connection mode easy operation, construction convenience, safe and reliable, construction installation fault-tolerant rate is low, can accelerate the construction progress, reduces construction cost.
Description
Technical Field
The utility model belongs to assembled concrete building structure technique, concretely relates to prefabricated rectangle tubular pile of concrete is as assembled concrete beam column node of upper strata post.
Background
The assembled building meets the evaluation score of a main structure part of not less than 20 points in the 3.0.3 article of the assembled evaluation Standard (GB/T51129-2017), and the full body structure of the assembled building is 50 points in an assembled building evaluation table, wherein the proportion of vertical components such as columns, supports, bearing walls, ductile wallboards and the like reaches 35-80%, the obtainable score is 20-30 points, the proportion of components such as beams, plates, stairs, balconies, air-conditioning boards and the like reaches 70-80%, and the obtainable score is 10-20 points. If the vertical member is not prefabricated, the proportion of the members such as beams, plates, stairs, balconies, air-conditioning plates and the like is required to reach 80%, which brings great difficulty to the disassembly of the members, and therefore, the vertical member is also often prefabricated.
At present, in the prefabricated vertical component, the common reinforced concrete prefabricated column adopting the sleeve grouting connection method is widely applied. However, the common reinforced concrete prefabricated column has the following disadvantages:
(1) The cost is very high, one cubic meter usually needs to pay cost from three thousand to four thousand, and the requirement on the performance of the crane is high due to the large volume.
(2) The common reinforced concrete prefabricated column adopts a sleeve grouting connection method, so that higher requirements are provided for the manufacturing and mounting precision of the prefabricated column, the fault tolerance rate of the common reinforced concrete prefabricated column is low, if a certain link goes wrong, the prefabricated column possibly cannot be used, and needs to be manufactured again by a prefabricated part factory, which undoubtedly influences the construction progress and also increases the construction cost.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a construction convenience, safe and reliable, construction installation fault-tolerant rate are low, can accelerate construction progress, reduce construction cost's prefabricated rectangular tubular pile of concrete as the assembled concrete beam column node of upper strata post.
The purpose of the utility model is realized through the following technical scheme: the utility model provides a prefabricated rectangle tubular pile of concrete is as assembled concrete beam column node of upper strata post, includes upper strata post, lower floor concrete component and structure roof beam, be beam column node district between upper strata post, lower floor concrete component and the structure roof beam, a serial communication port, the upper strata post is the prefabricated rectangle tubular pile of upper strata concrete, the lower terminal surface of the prefabricated rectangle tubular pile of upper strata concrete has its steel ring from the area, the roof beam top that the structure roof beam is located beam column node district is equipped with annular steel sheet, the steel ring all corresponds with the stake core hole of the prefabricated rectangle tubular pile of upper strata concrete with the middle part trompil of annular steel sheet, the lower surface of steel ring with the upper surface of annular steel sheet links to each other beam column node district is equipped with a plurality of reinforcing bars, the upper end of reinforcing bar is connected on the lower surface of annular steel sheet, the lower extreme then stretches into beam column node district anchor downwards.
The utility model discloses use precast concrete rectangle tubular pile (the cross section of tubular pile is square or rectangle) to form beam column node as upper strata post and structural beam be assembled between/be connected, connect between precast concrete rectangle tubular pile and the node just, can satisfy the rigidity requirement. The utility model discloses use the precast concrete rectangle tubular pile as upper precast column, can intercept a section of tubular pile that accords with the demand on the standard tubular pile that has produced, and this section of tubular pile contains the bottom of standard tubular pile, thus make this section of tubular pile that the bottom has the steel ring also can be applicable to in the beam column node as precast column, moreover, the utility model discloses need not produce precast column according to different required axial force, moment of flexure and length in the actual engineering of difference, realize the volume production, and the cost is low; the utility model discloses beam column nodal connection mode easy operation, construction convenience, safe and reliable, construction installation fault-tolerant rate is low, can accelerate the construction progress, reduces construction cost. Additionally, the utility model discloses use precast concrete rectangle tubular pile as assembled concrete building structure's precast column, precast concrete rectangle tubular pile production technology is mature, and the cost is low, and the installation is easy, is favorable to the development of assembled, can adopt suitable tubular pile according to the actual demand moreover to can select grouting material or the concrete of arbitrary intensity to be in milk as required, also can use arbitrary kind prestressing force or non-prestressed reinforcement, consequently the utility model discloses application scope is extensive, is suitable for extensive popularization and use.
The lower concrete component is a foundation, a lower cast-in-place column, a lower precast concrete column or a lower precast concrete rectangular tubular pile.
The external diameter of annular steel sheet is greater than the external diameter of steel ring.
Lower floor's concrete component is lower floor's concrete prefabricated rectangle tubular pile, reinforcing bar in the lower floor's concrete prefabricated rectangle tubular pile body stretches into beam column node district.
As an improvement of the utility model, the fabricated concrete beam-column joint comprises a dowel bar, and the dowel bar passes through the beam-column joint area and respectively extends into the upper-layer concrete prefabricated rectangular tubular pile and the lower-layer concrete member for anchoring; or the assembled concrete beam column node comprises a dowel bar, and two ends of the dowel bar extend into the beam column node area and the lower-layer concrete member respectively for anchoring.
As a preferred embodiment of the present invention, the joint bars are a plurality of connecting steel bars, and the connecting steel bars are distributed along the periphery of the pile core; or the dowel is a reinforcement cage mainly composed of a plurality of connecting reinforcements and stirrups, the connecting reinforcements are distributed along the periphery of the pile core, and the stirrups hold the connecting reinforcements.
As an embodiment of the utility model, the dowel bar sets up along the stake core logical length of precast concrete rectangle tubular pile.
As another embodiment of the utility model, the dowel bar stretches into one section in the stake core of precast concrete rectangle tubular pile.
As the utility model discloses an optimized embodiment, the annular steel sheet is located between the slab reinforcement of structure roof beam or roof beam stirrup and the roof beam surface, if the two interval is less, the annular steel sheet also can be a little higher than the roof beam surface, pave during the fitment can.
The concrete grade of beam column node district is the same with the concrete grade of structure roof beam, just the cross section in beam column node district is greater than or equal to the cross section of precast concrete rectangle tubular pile.
Under the great condition of beam column concrete intensity difference, if the concrete grade in beam column node district is the same with the concrete grade of structure roof beam, when the intensity of post is very big, destruction appears easily in the node, in order to solve this problem, current way is to adopt the concrete of different grades to pour with the node separately with the roof beam, but, this way has inconvenient construction, the shortcoming that the efficiency of construction is low, and the utility model discloses beam column node carries out the bearing capacity that suitable area is enlargied and is strengthened the node according to the difference of its bearing capacity, reduces the node and destroys the possibility that takes place, and beam column node can use the concrete with structure roof beam same intensity to can once only pour the completion, construction convenience, it is efficient.
When beam column node district is less the reinforcing bar anchor that beam column node district set up goes into length and probably is not enough, goes into length in order to increase the anchor, the lower extreme of reinforcing bar is buckled. When the anchoring length of the steel bar is enough, the lower end of the steel bar can not be bent, namely, the steel bar is vertically straight.
The cross sectional shape in beam column node district is rectangle, rhombus or circular, also can adopt other shapes according to actual engineering needs, uses in a flexible way, the actual installation operation of being convenient for.
The structure roof beam is precast beam, cast-in-place roof beam or coincide roof beam.
Preferably, precast concrete rectangle tubular pile is the PHC/PC/PRCI/PRCII hollow pipe pile who has prestressing force or does not have prestressing steel, can also use the tubular pile of arbitrary other intensity, model.
The utility model discloses beam column nodal region is equipped with horizontal reinforcing bar, horizontal reinforcing bar includes along the horizontal reinforcing bar of horizontal setting and along the vertical reinforcing bar that sets up, horizontal reinforcing bar and vertical reinforcing bar pass respectively in beam column nodal region and its both ends stretch into corresponding structure roof beam, horizontal reinforcing bar is vertical and vertical arrange side by side respectively for a plurality of roots, vertical reinforcing bar is vertical and horizontal arrange side by side respectively for a plurality of roots. The horizontal reinforcing steel bars are equivalent to stirrups, can restrain concrete, improve concrete strength, can reduce cracks, especially can reduce perps, and the horizontal reinforcing steel bars can improve the anti-seismic performance of nodes.
Compared with the prior art, the utility model discloses the effect that is showing as follows has:
(1) The utility model discloses use precast concrete rectangle tubular pile to form beam column node as upper column and structural beam assembled connection, connect between precast concrete rectangle tubular pile and the node just, can satisfy the rigidity requirement.
(2) The utility model discloses use the precast concrete rectangle tubular pile as prefabricated post, can be according to required different axial force selection standard tubular pile in the different actual engineering, moreover, can be according to required different length in the different actual engineering on the standard tubular pile of production intercepting one section tubular pile that accords with the demand, and this section tubular pile has contained the bottom of standard tubular pile to make this section tubular pile that the bottom has the steel ring also can be applicable to in the beam column node as prefabricated post. Need not produce prefabricated post according to required different axial force, moment of flexure and length in the actual engineering of difference, so, the utility model discloses can realize the volume production, the cost is low moreover.
(3) The utility model discloses a precast concrete rectangle tubular pile is as the template that the scene was poured, beam column nodal connection mode easy operation, construction convenience, safe and reliable, construction installation fault-tolerant rate is low, can accelerate the construction progress, reduces construction cost.
(4) The utility model discloses use the prefabricated rectangle tubular pile of concrete as assembled concrete building structure's prefabricated post, the prefabricated rectangle tubular pile of concrete production technique is ripe, and the cost is low, and the installation is easy, is favorable to the development of assembled.
(5) The utility model discloses beam column node is according to the difference of its bearing capacity, carries out the bearing capacity that proper area enlargies the reinforcing node, reduces the node and destroys the possibility of taking place, and beam column node can use the concrete with the same intensity of structure roof beam to can once only pour the completion, construction convenience, it is efficient.
(6) The utility model discloses be equipped with the horizontal reinforcement in beam column node district, the horizontal reinforcement is equivalent to the stirrup, can retrain the concrete, improves the concrete strength, can reduce the crack moreover, especially can reduce the perps, and the horizontal reinforcement can improve the anti-seismic performance of node.
(7) The utility model discloses can use the tubular pile that has prestressing force or does not have other intensity such as prestressed reinforcement's PHC PC according to the actual engineering needs to can select the grouting material or the concrete of arbitrary intensity to grout as required in addition, also can use arbitrary kind prestressing force or non-prestressed reinforcement, consequently the utility model discloses application scope is extensive, is suitable for extensive popularization and use.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a plan view of embodiment 1 of the present invention (cast concrete is not shown);
fig. 2 is a cross-sectional view of embodiment 1 of the present invention;
fig. 3 is a cross-sectional view of embodiment 2 of the present invention;
fig. 4 is a cross-sectional view of embodiment 3 of the present invention;
fig. 5 is a plan view of embodiment 4 of the present invention (no cast concrete is shown);
fig. 6 is a cross-sectional view of embodiment 4 of the present invention;
figure 7 is a plan view of example 5 of the present invention (no cast concrete is shown);
fig. 8 is a plan view of embodiment 6 of the present invention (cast concrete is not shown);
fig. 9 is a sectional view of embodiment 7 of the present invention.
Detailed Description
Example 1
As shown in fig. 1 and 2, it is the utility model relates to a precast concrete rectangle tubular pile is as assembled concrete beam column node of upper strata post, including upper strata post, lower floor's concrete component and structural beam 3, upper strata post, be beam column node district 4 between lower floor's concrete component and the structural beam 3, the upper strata post is upper strata precast concrete rectangle tubular pile 1, in this embodiment, the lower floor's concrete component is lower floor's precast concrete rectangle tubular pile 2, upper strata precast concrete rectangle tubular pile 1 and lower floor's precast concrete rectangle tubular pile 2 all are the square tubular pile of cross section for the square, in other embodiments, precast concrete rectangle tubular pile can be that the cross section is rectangular rectangle tubular pile. The structural beam 3 can be a prefabricated beam, a cast-in-place beam or a superposed beam, etc., a plate rib 10 and a bottom rib 11 are arranged in the structural beam 3, and a beam stirrup 12 is arranged in the beam column joint area 4. The upper layer concrete prefabricated rectangular tubular pile 1 and the lower layer concrete prefabricated rectangular tubular pile 2 can be PHC/PC/PRCI/PRCII hollow tubular piles using prestressed or non-prestressed reinforcement. The lower terminal surface of upper concrete prefabricated rectangular pipe pile 1 has its steel ring 5 from the area, the roof beam top that structure roof beam 3 is located beam column nodal region 4 is equipped with annular steel sheet 6, the middle part trompil of steel ring 5 and annular steel sheet 6 all with last, lower floor's concrete prefabricated rectangular pipe pile's stake core hole is corresponding, and annular steel sheet 6's external diameter is greater than steel ring 5's external diameter, the lower surface welding of steel ring 5 is on annular steel sheet 6's upper surface, be equipped with reinforcing bar 7 at beam column nodal region 4, the upper end welding of reinforcing bar 7 is on annular steel sheet 6's lower surface and along its circumference range distribution, the lower extreme then stretches into beam column nodal region 4 anchors downwards, and in this embodiment, this reinforcing bar 7 is the straight line shape of vertical setting, its anchor income length is enough, can realize that the anchor is firm. In other embodiments, when the beam-column node region is small and the anchorage length of the reinforcing bar is insufficient, the lower end of the reinforcing bar may be bent in order to increase the anchorage length.
The assembled concrete beam column node of this embodiment still includes the dowel, and the dowel passes beam column node district and stretches into anchor in the stake core of upper concrete prefabricated rectangle tubular pile 1 and lower floor concrete prefabricated rectangle tubular pile 2 respectively, can select suitable dowel pattern according to actual conditions. In this embodiment, the steel bar is a steel bar cage mainly composed of a plurality of connecting steel bars 8 and stirrups 9, and may be other steel bar inserting types. Connecting reinforcement 8 passes beam column node district 4 and stretches into anchor in the pile core of prefabricated rectangular tubular pile 1 of upper concrete and the prefabricated rectangular tubular pile 2 of lower floor concrete respectively, and connecting reinforcement 8 distributes along the pile core periphery, and connecting reinforcement 8 is lived to stirrup 9 staple bolt. The steel reinforcement cage stretches into one section in the stake core of prefabricated rectangle tubular pile 1 of upper concrete and the prefabricated rectangle tubular pile 2 of lower floor concrete, and in other embodiments, the dowel bar leads to long the setting along the stake core of prefabricated rectangle tubular pile of upper concrete and the prefabricated rectangle tubular pile of lower floor concrete.
In other embodiments, the dowel bars are a plurality of connecting steel bars, the connecting steel bars are distributed along the periphery of the pile core, the dowel bars are arranged along the full length of the pile core of the lower-layer concrete prefabricated rectangular pipe pile, or the dowel bars extend into one section of the pile core of the lower-layer concrete prefabricated rectangular pipe pile.
The lower end of the upper layer concrete prefabricated rectangular tubular pile 1 is rigidly connected with the structural beam 3, namely the lower end of the upper layer concrete prefabricated rectangular tubular pile 1 is connected with the structural beam 3 through an annular steel plate 6, a reinforcing steel bar 7, a reinforcing steel bar cage and grouting material (or concrete) and is rigidly connected.
And a grout-setting layer is not arranged between the upper end of the lower-layer concrete prefabricated rectangular tubular pile 2 and the beam-column node area 4 and between the lower end of the upper-layer concrete prefabricated rectangular tubular pile 1 and the beam-column node area 4.
The utility model discloses an assembled concrete beam column node can form the structure system with other ordinary frames, bracing, shear force wall.
In general, the beam-column strength is greatly different, and if the node area uses concrete with the same grade as the beam, the node can be damaged when the strength of the column is very high after the verification of the applicant in laboratory tests and site tests. But in actual engineering, the nodes should not be destroyed. If the node uses the concrete with the same grade as the column, the concrete strength of the node and the beam is different, and the node and the beam are required to be separately poured, so that the node is very inconvenient.
In order to solve the problem, under the condition that the difference between the concrete grade of beam column node district and the concrete grade of precast concrete rectangular tubular pile is greater than 5MPa, the utility model discloses the concrete grade of beam column node district 4 is the same with the concrete grade of structure roof beam 3, and the cross section of beam column node district 4 is greater than the cross section of precast concrete rectangular tubular pile. In other embodiments, the cross section of the beam-column joint area can be equal to that of the concrete prefabricated rectangular pipe pile according to actual conditions. In this embodiment, the cross section of the beam-column node area 4 is square, and the area of the cross section is larger than that of the cross section of the concrete prefabricated rectangular pipe pile, that is, compared with the existing beam-column node, the applicant obtains through theoretical analysis and calculation that the beam-column node can be subjected to appropriate area amplification according to different bearing capacities of the beam-column node, so that the bearing capacity of the node is enhanced, and the possibility of node damage is reduced.
The construction process of the embodiment is as follows:
s1, installing the lower-layer concrete prefabricated rectangular pipe pile 2 or a pouring mold of a foundation and a beam plate.
S2, mounting an annular steel plate 6 on the top of the structural beam 3, which is positioned in the beam column joint area 4, specifically between a plate rib 10 or a stirrup 12 and the surface of the beam; if the position is too small, the annular steel plate can be slightly higher than the surface of the beam and can be paved when in decoration.
S3, welding a section of steel bar 7 on the lower surface of the annular steel plate 6, wherein the steel bar 7 extends into the beam column joint area 4, and if the anchoring length is enough, bending is not needed; if the anchoring length is not enough, the reinforcing steel bars 7 can be bent according to actual requirements, so that the anchoring length is increased.
S4, inserting the reinforcement cage into a pile core hole of the lower-layer concrete prefabricated rectangular tubular pile 2, then installing the upper-layer concrete prefabricated rectangular tubular pile 1, and pouring appropriate concrete into the pile core hole of the upper-layer concrete prefabricated rectangular tubular pile, so that the pile cores, the nodes and the beams of the upper-layer and lower-layer concrete prefabricated rectangular tubular piles are poured well.
And no setting layer is arranged between the upper-layer concrete prefabricated rectangular tubular pile and the lower-layer concrete prefabricated rectangular tubular pile and between the nodes.
Example 2
As shown in fig. 3, the present embodiment is different from embodiment 1 in that: the dowel bars are arranged along the pile core through length of the upper layer concrete prefabricated rectangular tubular pile 1 and the lower layer concrete prefabricated rectangular tubular pile 2.
Example 3
As shown in fig. 4, the present embodiment is different from embodiment 1 in that: no dowel bar is arranged in the pile cores of the upper-layer concrete prefabricated rectangular tubular pile 1 and the lower-layer concrete prefabricated rectangular tubular pile 2. Therefore, whether to insert the reinforcing steel bars into the pile core can be selected according to actual construction conditions.
Example 4
As shown in fig. 5 and 6, the present embodiment is different from embodiment 1 in that: the area of the beam-column joint is not enlarged.
Example 5
As shown in fig. 7, the present embodiment is different from embodiment 1 in that: according to the actual bearing capacity condition of the beam-column node, the beam-column node is enlarged in a proper area, the cross section of the beam-column node area 4 is in a rhombic shape, the bearing capacity of the node can be enhanced, the possibility of node damage is reduced, the beam-column node and the structural beam use concrete with the same strength, and the beam-column node and the structural beam can be poured at one time.
Example 6
As shown in fig. 8, the present embodiment is different from embodiment 1 in that: according to the embodiment, the beam-column node is subjected to appropriate area amplification according to the actual bearing capacity condition of the beam-column node, the cross section of the beam-column node area 4 is circular, the bearing capacity of the node can be enhanced, the possibility of node damage is reduced, the beam-column node and a structural beam use concrete with the same strength, and the beam-column node and the structural beam can be poured at one time.
Example 7
As shown in fig. 9, the present embodiment is different from embodiment 3 in that: be equipped with horizontal reinforcing bar in beam column node 4 district, horizontal reinforcing bar includes along the horizontal reinforcing bar 13 of horizontal setting and along the vertical longitudinal reinforcement 14 of vertical setting, horizontal reinforcing bar 13 and longitudinal reinforcement 14 pass beam column node district 4 respectively and during its both ends stretched into corresponding structure roof beam, horizontal reinforcing bar 13 is vertical and vertically arranged side by side respectively for a plurality of, longitudinal reinforcement 14 is vertical and horizontal arranged side by side respectively for a plurality of, horizontal reinforcing bar 8, longitudinal reinforcement 9 and beam stirrup 12 alternate each other.
Example 8
The present embodiment is different from embodiment 1 in that: the steel bars are not arranged, the steel bars in the lower-layer concrete prefabricated rectangular pipe pile body stretch into the beam column node area, when the steel bars are not enough deep in length in the plate column node area, the part of the steel bars stretching into the plate column node area is bent, and when the steel bars are enough deep in length in the plate column node area, the part of the steel bars stretching into the plate column node area can be vertical.
Example 9
The present embodiment is different from embodiment 1 in that: the upper end of the dowel bar does not extend into the upper-layer concrete prefabricated rectangular tubular pile, and the two ends of the dowel bar extend into the beam column node area and the lower-layer concrete prefabricated rectangular tubular pile respectively for anchoring.
In other embodiments, the beam-column joint can adopt a proper shape according to actual engineering requirements, is flexible to use, and is convenient for actual installation and operation.
In other embodiments, the PHC/PC pipe piles with prestress or without prestress reinforcement and other strength and type pipe piles can be used according to the actual engineering requirements.
In other embodiments, grouting material or concrete of any strength may be selected for grouting as desired.
In other embodiments, any kind of pre-stressed or non-pre-stressed reinforcement may be used as desired. The reinforcing steel bars can be in any suitable type, number, strength and the like according to actual requirements;
in other embodiments, the structural beam is a precast beam or a superposed beam, the construction method is similar to that of embodiment 1, the beam-column nodes are all cast in situ, and the specific steps can be adjusted according to the actual conditions in situ and the type of the structural beam.
The embodiments of the present invention are not limited to the above, according to the above-mentioned contents of the present invention, according to the common technical knowledge and the conventional means in the field, without departing from the basic technical idea of the present invention, the present invention can also make other modifications, replacements or changes in various forms, all falling within the scope of the present invention.
Claims (5)
1. The utility model provides a prefabricated rectangle tubular pile of concrete is as assembled concrete beam column node of upper strata post, includes upper strata post, lower floor concrete component and structural beam, be beam column node district, its characterized in that between upper strata post, lower floor concrete component and the structural beam: the upper-layer column is an upper-layer concrete prefabricated rectangular tubular pile, a steel ring is arranged on the lower end face of the upper-layer concrete prefabricated rectangular tubular pile, an annular steel plate is arranged at the top of a beam of the structural beam located in a beam column node area, the middle openings of the steel ring and the annular steel plate correspond to pile core holes of the upper-layer concrete prefabricated rectangular tubular pile, the lower surface of the steel ring is connected with the upper surface of the annular steel plate, a plurality of reinforcing steel bars are arranged in the beam column node area, the upper ends of the reinforcing steel bars are connected to the lower surface of the annular steel plate, and the lower ends of the reinforcing steel bars extend downwards into the beam column node area to be anchored; the lower concrete member is a foundation, a lower cast-in-place column, a lower precast concrete column or a lower concrete precast rectangular tubular pile; the outer diameter of the annular steel plate is larger than that of the steel ring; the lower-layer concrete component is a lower-layer concrete prefabricated rectangular pipe pile, and a steel bar in a pile body of the lower-layer concrete prefabricated rectangular pipe pile extends into a beam-column node area; the fabricated concrete beam-column joint comprises a dowel bar, and the dowel bar penetrates through a beam-column joint area and respectively extends into the upper-layer concrete prefabricated rectangular tubular pile and the lower-layer concrete member for anchoring; the inserted steel bars are steel bar cages mainly composed of a plurality of connecting steel bars and stirrups, the connecting steel bars are distributed along the periphery of the pile core, and the stirrups hoop the connecting steel bars; a plurality of horizontal steel bars are arranged in the beam column joint area; horizontal reinforcing bar includes along horizontal reinforcing bar, along vertical longitudinal reinforcement and the stirrup of vertical setting of horizontal setting, horizontal reinforcing bar and longitudinal reinforcement pass respectively during beam column node district and its both ends stretch into corresponding structure roof beam, horizontal reinforcing bar is arranged side by side for a plurality of roots respectively in vertical and vertically, longitudinal reinforcement is arranged side by side for a plurality of roots respectively in vertical and horizontal.
2. The fabricated concrete beam column joint of claim 1, wherein: the dowel bar leads to long setting along the stake core of precast concrete rectangle tubular pile, perhaps the dowel bar stretches into one section in the stake core of precast concrete rectangle tubular pile.
3. A fabricated concrete beam column joint as recited in claim 1 or 2, wherein: the annular steel plate is located between the plate rib or the beam stirrup of the structural beam and the beam surface, or the annular steel plate is located above the plate rib or the beam stirrup of the structural beam, and the annular steel plate is higher than the beam surface.
4. A fabricated concrete beam column joint as recited in claim 3, wherein: the concrete grade in beam column node district is the same with the concrete grade of structure roof beam, just the cross section in beam column node district is more than or equal to the cross section of precast concrete rectangle tubular pile.
5. The fabricated concrete beam column joint of claim 4, wherein: the reinforcing steel bars arranged in the beam column joint area are vertically arranged in a linear shape or the lower ends of the reinforcing steel bars are bent; the cross section of the beam column node area is rectangular, rhombic or circular; the structural beam is a precast beam, a cast-in-place beam or a superposed beam; the concrete prefabricated rectangular tubular pile is a PHC/PC/PRCI/PRCII hollow tubular pile with or without prestressed reinforcement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121041230.4U CN217840354U (en) | 2021-05-14 | 2021-05-14 | Assembled concrete beam column joint with concrete prefabricated rectangular pipe pile as upper column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121041230.4U CN217840354U (en) | 2021-05-14 | 2021-05-14 | Assembled concrete beam column joint with concrete prefabricated rectangular pipe pile as upper column |
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| CN217840354U true CN217840354U (en) | 2022-11-18 |
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| CN202121041230.4U Active CN217840354U (en) | 2021-05-14 | 2021-05-14 | Assembled concrete beam column joint with concrete prefabricated rectangular pipe pile as upper column |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |