CN215290679U - Beam column node with precast concrete pipe pile as upper column - Google Patents
Beam column node with precast concrete pipe pile as upper column Download PDFInfo
- Publication number
- CN215290679U CN215290679U CN202022428953.1U CN202022428953U CN215290679U CN 215290679 U CN215290679 U CN 215290679U CN 202022428953 U CN202022428953 U CN 202022428953U CN 215290679 U CN215290679 U CN 215290679U
- Authority
- CN
- China
- Prior art keywords
- precast concrete
- tubular pile
- column
- concrete tubular
- beam column
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Joining Of Building Structures In Genera (AREA)
Abstract
The utility model discloses a precast concrete tubular pile is as beam column node of upper column, the upper column is upper precast concrete tubular pile, the lower terminal surface of upper precast concrete tubular pile 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 pile core hole of upper precast concrete tubular pile with the middle part trompil of annular steel sheet, the steel ring lower surface links to each other with annular steel sheet upper surface, be equipped with the reinforcing bar in beam column node district, the reinforcing bar upper end is connected on annular steel sheet, the lower extreme then stretches into beam column node district anchor downwards. A section of pipe pile meeting the requirement is cut from the standard pipe pile to be used as the precast concrete pipe pile of the utility model, and the section of pipe pile comprises the bottom of the standard pipe pile, so that the pipe pile with the steel ring at the bottom can be used as a precast column to be 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 precast concrete tubular pile is as beam column node of upper column.
Background
In recent years, the development of the fabricated building is greatly promoted by the nation, the transformation and the upgrade of the building industry are promoted, particularly, the guidance suggestion about the rapid development of the fabricated building which is discharged from the state institute in 2016 indicates that the force contends for about 10 years, so that the proportion of the fabricated building in the newly-built building area reaches 30%, and therefore, the fabricated building is a great development trend of the future building industry.
The assembly evaluation standard (GB/T51129-2017) item 3.0.3 stipulates that an assembly building should meet the evaluation score of a main structure part of not less than 20 points, and the main structure of the assembly building is fully divided into 50 points in an assembly building score table, wherein the proportion of vertical members such as columns, supports, bearing walls, ductile wallboards and the like reaches 35-80%, the obtainable score is 20-30 points, the proportion of members 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:
the cost of paying for the cubic meter is very high, three thousand to four thousand of expenses are different in general, and the performance requirement of the crane is high due to the fact that the volume is large.
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 cannot be used possibly, and a prefabricated component factory is required to perform remanufacturing, so that the construction progress can be influenced undoubtedly, and the construction cost is increased.
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 precast concrete tubular pile 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 an assembled concrete beam column node of precast concrete tubular pile as upper strata post, includes upper strata post, lower floor concrete component and structural beam, be beam column node district between upper strata post, lower floor concrete component and the structural beam, its characterized in that, the upper strata post is upper strata precast concrete tubular pile, the lower terminal surface of upper strata precast concrete tubular pile has its steel ring from the area, the roof beam top that the structural beam is located beam column node district is equipped with annular steel sheet, the steel ring all corresponds with the stake core hole of upper strata precast concrete tubular pile with the middle part trompil of annular steel sheet, the lower surface of steel ring with annular steel sheet's upper surface 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 annular steel sheet's the lower surface, the lower extreme then stretches into beam column node district anchor downwards.
The utility model discloses use precast concrete tubular pile to form beam column node as upper column and structural beam assembled connection, connect rigidly between precast concrete tubular pile and the node, can satisfy the rigidity requirement. The utility model discloses use precast concrete 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 different 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 tubular pile as assembled concrete building structure's precast column, precast concrete 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's 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 prefabricated common concrete column or a lower prefabricated concrete pipe pile.
The external diameter of annular steel sheet is greater than the external diameter of steel ring.
As an improvement of the utility model, the beam column node includes the dowel, the dowel passes beam column node district and stretches into anchor in upper precast concrete tubular pile and the lower concrete component respectively.
As an optimal implementation mode of the utility model, the dowel is the steel reinforcement cage mainly comprises a plurality of connecting reinforcement and stirrup, wherein, connecting reinforcement passes beam column node district and stretches into anchor in the pile core of upper precast concrete tubular pile and lower floor precast concrete tubular pile respectively, just connecting reinforcement distributes along the pile core periphery, the stirrup staple bolt is in the connecting reinforcement.
As an embodiment of the utility model, the dowel bar leads to long setting along the stake core of upper precast concrete tubular pile and lower floor precast concrete tubular pile.
As another embodiment of the utility model, the dowel bar stretches into one section in the stake core of upper precast concrete tubular pile and lower floor precast concrete tubular pile.
As the utility model discloses a preferred embodiment, the annular steel sheet is located between the slab band 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 more than or equal to precast concrete tubular pile's cross section.
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 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.
Compared with the prior art, the utility model discloses the effect that is showing as follows has:
the utility model discloses use precast concrete tubular pile as upper strata post and structure roof beam be assembled between/be connected and form beam column node, rigid connection between precast concrete tubular pile and the node can satisfy the rigidity requirement.
A sai produced the utility model discloses use precast concrete tubular pile as precast column, 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 precast column. 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.
The utility model discloses a precast concrete tubular pile is as the template of on-the-spot pouring, 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.
The utility model discloses use precast concrete tubular pile as assembled concrete building structure's prefabricated post, precast concrete tubular pile production technology is ripe, and the cost is low, and the installation is easy, is favorable to the development of assembled.
The utility model discloses fifthly the beam column node carries out appropriate area according to the difference of its bearing capacity and enlargies the bearing capacity that strengthens the node, reduces the possibility that the node destroys the emergence, and the beam column node can use the concrete with the same intensity of structure roof beam to can once only pour the completion, construction convenience, efficient.
Sixthly the utility model discloses can use the tubular pile that has prestressing force or does not have other intensity such as the PHC/PC of prestressing steel bar according to actual engineering needs, and can select grouting material or the concrete of arbitrary intensity to grout as required, also can use arbitrary kind prestressing force or non-prestressing steel bar, 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 following drawings and specific embodiments.
Fig. 1 is a plan view of embodiment 1 of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
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;
FIG. 6 is a cross-sectional view taken along line B-B of FIG. 5;
fig. 7 is a plan view of embodiment 5 of the present invention;
fig. 8 is a plan view of embodiment 6 of the present invention.
Detailed Description
Example 1
As shown in fig. 1 and 2, it is that the utility model relates to a precast concrete 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, be beam column node district 4 between upper strata post, lower floor's concrete component and the structural beam 3, the upper strata post is upper precast concrete tubular pile 1, and in this embodiment, the lower floor's concrete component is lower floor's precast concrete tubular pile 2, and structural beam 3 can be precast beam, cast-in-place roof beam or superposed beam etc.. The upper precast concrete pipe pile 1 and the lower precast concrete pipe pile 2 can be PHC/PC/PRCI/PRCII hollow pipe piles using prestressed or non-prestressed reinforcement. The lower terminal surface of upper precast concrete tubular pile 1 has its steel ring 5 of taking certainly, 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, the pile core hole of lower floor precast concrete tubular pile is corresponding, and the external diameter of annular steel sheet 6 is greater than the external diameter of steel ring 5, 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 form of vertical setting, its anchor length is enough, can realize that the anchor is firm. In other embodiments, when the anchorage length of the reinforcing bars is insufficient when the beam-column node area is small, the lower ends of the reinforcing bars may be bent in order to increase the anchorage length.
The assembled concrete beam column node of this embodiment still includes the dowel steel, and the dowel steel passes beam column node district and stretches into anchoring in the pile core of upper precast concrete tubular pile 1 and lower floor precast concrete tubular pile 2 respectively, can select suitable dowel steel 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 anchoring in the pile core of upper precast concrete tubular pile 1 and lower floor precast concrete tubular pile 2 respectively, and connecting reinforcement 8 distributes along the pile core periphery, and connecting reinforcement 8 is lived to stirrup 9 staple bolt. The reinforcement cage stretches into one section in the pile core of upper precast concrete tubular pile 1 and lower floor precast concrete tubular pile 2.
The lower end of the upper precast concrete tubular pile 1 is rigidly connected with the structural beam 3, namely, the lower end of the upper precast concrete tubular pile 1 is rigidly connected with the structural beam 3 through an annular steel plate 6, a reinforcing steel bar 7, a reinforcing cage and grouting material (or concrete).
And a grout layer is not arranged between the upper end of the lower precast concrete tubular pile 2 and the beam column node area 4 and between the lower end of the upper precast concrete 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 in beam column node district and the concrete grade of precast concrete 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 tubular pile. In other embodiments, the cross section of the beam-column joint area may be equal to that of the precast concrete 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 precast concrete tubular 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:
and S1, installing the lower-layer precast concrete tubular pile 2 or the pouring mold of the foundation and the beam plate.
S2, mounting the annular steel plate 6 on the top of the structural beam 3 in the beam column joint area 4, specifically between the beam plate rib or the beam stirrup 10 and the beam surface; 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 the pile core hole of the lower precast concrete tubular pile 2, then installing the upper precast concrete tubular pile 1, and pouring appropriate concrete into the pile core hole of the upper precast concrete tubular pile, so that the pile cores, the nodes and the beams of the upper and lower precast concrete tubular piles are poured.
And no setting slurry layer is arranged between the upper precast concrete tubular pile and the node and between the lower precast concrete tubular pile and the node.
Example 2
As shown in fig. 3, the present embodiment is different from embodiment 1 in that: the dowel bars are arranged along the full length of the pile cores of the upper precast concrete tubular pile 1 and the lower precast concrete tubular pile 2.
Example 3
As shown in fig. 4, the present embodiment is different from embodiment 1 in that: no dowel bars are arranged in the pile cores of the upper precast concrete tubular pile 1 and the lower precast concrete 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 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 circular, 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.
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 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 (10)
1. The utility model provides a precast concrete tubular pile is as beam column node of upper column, includes upper column, lower floor concrete component and structural beam, be beam column node district, its characterized in that between upper column, lower floor concrete component and the structural beam: the upper column is upper precast concrete tubular pile, the lower terminal surface of upper precast concrete tubular pile has its steel ring from the area, the roof beam top that the structure roof beam is located beam column nodal region is equipped with annular steel sheet, the steel ring all corresponds with the stake core hole of upper precast concrete tubular pile 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 nodal region is equipped with a plurality of reinforcing bars, the upper end of reinforcing bar is connected on the lower surface of annular steel sheet, and the lower extreme then stretches into beam column nodal region anchor downwards.
2. The precast concrete tubular pile of claim 1 is used as a beam column node of an upper column, and is characterized in that: the lower concrete member is a foundation, a lower cast-in-place column, a lower prefabricated common concrete column or a lower prefabricated concrete pipe pile.
3. The precast concrete tubular pile of claim 2 is used as a beam column node of an upper column, and is characterized in that: the outer diameter of the annular steel plate is larger than that of the steel ring.
4. The precast concrete tubular pile of claim 3 is used as a beam column node of an upper column, and is characterized in that: the beam column node comprises a dowel bar, and the dowel bar penetrates through the beam column node area and extends into the upper precast concrete tubular pile and the lower precast concrete component for anchoring respectively.
5. The precast concrete tubular pile of claim 4 is used as a beam column node of an upper column, and is characterized in that: the dowel bar is the steel reinforcement cage that mainly comprises a plurality of connecting reinforcement and stirrup, wherein, connecting reinforcement passes beam column node district and stretches into the anchor in the pile core of upper precast concrete tubular pile and lower floor precast concrete tubular pile respectively, just connecting reinforcement distributes along the pile core periphery, the stirrup staple bolt is in the connecting reinforcement.
6. The precast concrete tubular pile of claim 5 is used as a beam column node of an upper column, and is characterized in that: the dowel bar leads to long setting along the stake core of upper precast concrete tubular pile and lower floor's precast concrete tubular pile, perhaps the dowel bar stretches into one section in the stake core of upper precast concrete tubular pile and lower floor's precast concrete tubular pile.
7. The precast concrete tubular pile of claim 6 is used as a beam column node of an upper column, and is characterized in that: 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.
8. The precast concrete tubular pile of claim 7 is used as a beam column node of an upper column, and is characterized in that: 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 greater than or equal to precast concrete tubular pile's cross section.
9. The precast concrete tubular pile of claim 8 is used as a beam column node of an upper column, and is characterized in that: 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.
10. The precast concrete tubular pile of claim 9 is used as a beam column node of an upper column, and is characterized in that: the structural beam is a precast beam, a cast-in-place beam or a superposed beam; the precast concrete tubular pile is a prestressed or non-prestressed reinforced PHC/PC/PRCI/PRCII hollow tubular pile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022428953.1U CN215290679U (en) | 2020-10-27 | 2020-10-27 | Beam column node with precast concrete pipe pile as upper column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022428953.1U CN215290679U (en) | 2020-10-27 | 2020-10-27 | Beam column node with precast concrete pipe pile as upper column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215290679U true CN215290679U (en) | 2021-12-24 |
Family
ID=79512310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022428953.1U Active CN215290679U (en) | 2020-10-27 | 2020-10-27 | Beam column node with precast concrete pipe pile as upper column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215290679U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112376705A (en) * | 2020-10-27 | 2021-02-19 | 广东省建科建筑设计院有限公司 | Beam column node with precast concrete pipe pile as upper column and construction method of beam column node |
-
2020
- 2020-10-27 CN CN202022428953.1U patent/CN215290679U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112376705A (en) * | 2020-10-27 | 2021-02-19 | 广东省建科建筑设计院有限公司 | Beam column node with precast concrete pipe pile as upper column and construction method of beam column node |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112112263A (en) | Fabricated concrete beam-column joint using precast concrete tubular pile and construction method | |
| KR20110008752A (en) | Precast concrete segments for constructing bridge piers with elongated round holes surrounding reinforcing bars and the method using the same | |
| CN109235662B (en) | Column plate connecting device comprising multiple shear keys | |
| CN111364681B (en) | Staggered tensioning anchoring structure for prestressed tendons of end column-beam joints and construction method | |
| CN113216409A (en) | Connecting structure of precast concrete tubular pile column with diagonal bracing and hollow floor or flat floor | |
| KR102072685B1 (en) | Bridge using connecting member and method of construction | |
| CN108775084B (en) | Steel-concrete combined precast beam and precast column connecting structure and construction method | |
| CN112376705A (en) | Beam column node with precast concrete pipe pile as upper column and construction method of beam column node | |
| KR102286225B1 (en) | Method for constructing underground structure busing PC integrating method without support | |
| CN215290679U (en) | Beam column node with precast concrete pipe pile as upper column | |
| CN213741571U (en) | Prefabricated column and beam column node for prefabricated concrete building structure reserved steel bar perforation | |
| CN114045940A (en) | Profile steel connecting node of precast concrete tubular pile column and hollow floor or flat slab | |
| CN217840354U (en) | Assembled concrete beam column joint with concrete prefabricated rectangular pipe pile as upper column | |
| CN112030720A (en) | Prefabricated bent cap and pier stud socket type connecting structure and construction method | |
| CN212534495U (en) | Use assembled concrete beam column node of precast concrete tubular pile | |
| CN217871021U (en) | Prefabricated concrete beam column node of concrete prefabricated rectangular pipe pile | |
| CN215290989U (en) | Connecting structure of precast concrete tubular pile column and hollow floor or flat floor | |
| CN217711966U (en) | Novel node structure for assembled concrete frame structure | |
| CN113293872A (en) | Prefabricated concrete beam column node of concrete prefabricated rectangular pipe pile | |
| CN112854603A (en) | Connecting structure of precast concrete tubular pile column and hollow floor or flat floor | |
| CN111335485B (en) | Prefabricated section steel concrete intermediate column beam node prestressed tendon staggered tensioning anchoring structure for assembly building and construction method | |
| CN212052262U (en) | Prefabricated pier body and bridge | |
| CN113293871A (en) | Assembled concrete beam column joint with concrete prefabricated rectangular pipe pile as upper column | |
| CN216109028U (en) | Profile steel connecting structure of precast concrete tubular pile node | |
| TWM608166U (en) | Precast column pile structure with combined component |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |