CN217379225U - Full bolted connection node of precast concrete beam column - Google Patents
Full bolted connection node of precast concrete beam column Download PDFInfo
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- CN217379225U CN217379225U CN202220331702.8U CN202220331702U CN217379225U CN 217379225 U CN217379225 U CN 217379225U CN 202220331702 U CN202220331702 U CN 202220331702U CN 217379225 U CN217379225 U CN 217379225U
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Abstract
The utility model discloses a precast concrete beam column full-bolt connection node, a bolt connector is connected with a sleeve connector, the main body of the bolt connector is arranged in a precast concrete beam, and the main body of the sleeve connector is arranged in a precast concrete column; the bolt connector comprises a high-strength screw rod, vertical plates, end plates, a top plate, vertical reinforcing steel bars and transverse reinforcing steel bars, wherein the vertical plates are vertically arranged on the left side and the right side of the top plate; the sleeve connector comprises a sleeve and connecting steel bars, and the connecting steel bars are arranged around the sleeve; the sleeve is connected with the front end of the high-strength screw rod; the utility model provides a strong, reasonable and reliable full bolted connection node of precast concrete beam column of bearing capacity.
Description
Technical Field
The utility model relates to a construction technical field specifically is a precast concrete beam column full bolted connection node.
Background
The assembled reinforced concrete structure is beneficial to improving the production efficiency, saving energy, improving and ensuring the engineering quality and is more and more widely applied in China. Compared with a cast-in-place construction method, the construction method has a plurality of advantages. In actual engineering, the assembly type frame structure is widely used. Reasonable connection among prefabricated components in the frame structure and structural integrity have great influence on the seismic performance of the assembled frame structure, and nodes in the frame structure are key links influencing the seismic performance of the assembled frame structure. Therefore, the reasonable and reliable design of the assembly part connecting technology is the key point for improving the stress performance of the assembled beam-column joint.
In conclusion, the prior art still lacks a prefabricated concrete beam column full-bolt connecting node with strong bearing capacity, reasonability and reliability.
SUMMERY OF THE UTILITY MODEL
The utility model provides a strong, reasonable reliable precast concrete beam column full bolted connection node of bearing capacity.
To achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a precast concrete beam column all-bolt connection node, which comprises a bolt connector and a sleeve connector, wherein the bolt connector is connected with the sleeve connector, the main body of the bolt connector is arranged in a precast concrete beam, and the main body of the sleeve connector is arranged in a precast concrete column; the bolt connector comprises a high-strength screw rod, a vertical plate, an end plate, a top plate, vertical steel bars and transverse steel bars, wherein the vertical plate is vertically arranged on the left side and the right side of the top plate, the end plate is vertically arranged at the tail ends of the vertical plate and the top plate, the vertical plate, the end plate and the top plate form a protective sleeve, a local section of the high-strength screw rod is arranged in the protective sleeve formed by the vertical plate, the end plate and the top plate, the vertical steel bars are vertically arranged on the end plate, and the transverse steel bars are horizontally arranged on the end plate and the vertical plate; the sleeve connector comprises a sleeve and connecting steel bars, and the connecting steel bars are arranged around the sleeve; the sleeve is connected with the front end of the high-strength screw rod.
The utility model discloses a sleeve and the screw rod that excels in of corresponding model match, and the sleeve adopts circularly, and interior division of length is connected length by the screw rod that excels in and is confirmed. The wall thickness of the sleeve is increased properly to increase the clear distance of the peripheral connecting steel bars.
The utility model discloses a bolted connection ware and sleeve connector can go up the lower flange and set up alone or simultaneously, and the beam-ends post side is stayed and is established the notch, is chisel hair and handles, and bolted connection finishes the back, and handing-over seam department should be in the milk messenger beam column concrete formation wholly.
Preferably, still include the steel corbel, the steel corbel sets up on the precast concrete post.
The steel corbel embedded part of the utility model is pre-embedded in a proper position of the precast concrete column, and the T-shaped corbel can be welded on site before being hoisted; the steel corbels are used for temporary placement, positioning, leveling and the like before the prefabricated beam is installed. The steel corbels can be cut off during grouting.
Preferably, the bolt connector further comprises a reinforcing stirrup, and the reinforcing stirrup is sleeved on the periphery of the bolt connector; further preferably, 2-3 stirrups are additionally arranged at each end of the bolt connector.
Preferably, the end plate and the top plate are both integral plates.
Preferably, each sleeve is provided with 3 connecting steel bars, and the 3 connecting steel bars are arranged on the periphery of the sleeve at an angle of 120 degrees.
Preferably, the transverse reinforcing bars and the connecting reinforcing bars are both straight.
Preferably, the vertical reinforcing steel bars are L-shaped.
Preferably, the high-strength screw rod is preferably 10.9 grades, so as to reduce the size of the node.
Preferably, the bolt connector is independent and combined, the independent type is provided with 2 vertical plates, the combined type is provided with a plurality of vertical plates, the side, far away from the end plate, of each vertical plate is adapted to penetration of the end stirrup in a special shape, and the thickness is determined according to stress calculation.
Preferably, the thicknesses of the end plate and the top plate are determined according to force calculation.
Preferably, each screw rod is symmetrically provided with 2 transverse steel bars, the bearing capacity of the transverse steel bars is not less than that of the bolts, and the anchoring length of the transverse steel bars meets the requirement.
Preferably, when the two sides are provided with sleeves at the same position, the two sides can be directly connected by a larger-diameter high-strength screw rod.
The utility model discloses a construction of precast concrete beam column full bolted connection node includes following step:
s1, calculating beam end reinforcing bars;
s2, selecting bolt connectors and sleeve connectors with corresponding specification quantity according to the beam end reinforcement amplification of 1.1 times;
s3, determining the connector type according to the section size of the concrete beam column and the connector number, namely adopting an independent type or a combined type;
s4, designing the size parameters of the combined bolt connector;
s5, designing beam column reserved notches;
s6, completing deepening drawings of precast beam bolt connectors, notch arrangement and the like;
s7, designing a steel corbel and an embedded part according to the weight of the precast concrete beam;
s8, completing deepening drawings of the prefabricated column sleeve connector, the bracket embedded part and the like;
and S9, prefabricating in a factory and installing on the spot.
Compared with the prior art, the utility model discloses beneficial effect and showing the progress and lie in:
1. the utility model discloses a precast beam of full bolted connection and prefabricated post can adapt to connector mill prefabrication and bury the error that takes place underground, and the construction is convenient, and the site work volume is little, compares the construction fast with traditional connected mode, and the quality control point is few, and construction quality is more guaranteed, has more obvious advantage.
2. Compare with other similar bolted connection nodes, the utility model discloses the calculation of whole parts in the node is all based on the ripe theory of calculation that has the norm, and the notion is clear, and the bearing capacity is clear and definite, and calculation method is simple to can carry out bolted connection's combination formula design according to the actual size of beam column, the application is wide.
3. The utility model discloses set up the reinforcement stirrup at the bolt connector region, can more effectively guarantee the cementation performance of seam grout and the anti shear bearing capacity of use stage beam-ends, optimize structure atress performance.
Drawings
To more clearly illustrate the technical solution of the present invention, the drawings required for the embodiments of the present invention will be briefly described below.
It should be apparent that the drawings in the following description are only for some embodiments of the present invention, and that other drawings can be obtained by those skilled in the art without any inventive exercise, and the other drawings also belong to the drawings required for the embodiments of the present invention.
Fig. 1 is an installation effect diagram of a prefabricated concrete beam column full-bolt connection node according to an embodiment of the present invention;
fig. 2 is a schematic partial structural view of a prefabricated concrete beam-column all-bolt connection node according to an embodiment of the present invention;
the number of the reference marks is 1, a bolt connector, 2, a sleeve connector, 3, a steel bracket, 4, a reinforcing stirrup, 1.1, a high-strength screw rod, 1.2, a vertical plate, 1.3, an end plate, 1.4, a top plate, 1.5, a transverse steel bar, 1.6, a vertical steel bar, 2.1, a sleeve and 2.2, and a connecting steel bar.
Detailed Description
In order to make the purpose, technical scheme, beneficial effect and showing the progress of the embodiment of the present invention clearer, below, will combine the embodiment of the present invention, to the technical scheme in the embodiment of the present invention is clear, completely described.
It is obvious that all of these described embodiments are only some, not all embodiments of the invention; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that the terms "first", "second", "third" (if present), etc. in the description and claims of the present invention are used only for distinguishing different objects, and are not used for describing a specific order. Furthermore, the terms "comprises" and any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements but may alternatively include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It is to be understood that:
in the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be understood broadly, and may be, for example, a fixed connection, a detachable connection, a movable connection, or an integral connection; either directly or indirectly through intervening media, intangible signal, or even optical, communication between two elements, or an interaction between two elements, unless expressly limited otherwise.
The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
It should be further noted that the following embodiments may be combined with each other, and the same or similar concepts or processes may not be repeated in some embodiments.
The technical solution of the present invention will be described in detail with reference to specific examples.
Example 1
As shown in fig. 1 and 2, a precast concrete beam column all-bolt connection node is shown, and includes a bolt connector 1, a sleeve connector 2, a steel corbel 3, a reinforcing stirrup 4, a high-strength screw rod 1.1, a vertical plate 1.2, an end plate 1.3, a top plate 1.4, a transverse steel bar 1.5, a vertical steel bar 1.6, a sleeve 2.1 and a connecting steel bar 2.2, wherein the bolt connector 1 is connected with the sleeve connector 2, a main body of the bolt connector 1 is arranged in a precast concrete beam, and a main body of the sleeve connector 2 is arranged in a precast concrete column; a50 cm gap is reserved between the precast concrete beam and the precast concrete column. The bolt connector 1 and the sleeve connector 2 are connected and disposed in the gap. The bolt connector 1 comprises a high-strength screw 1.1, a vertical plate 1.2, an end plate 1.3, a top plate 1.4, vertical steel bars 1.6 and transverse steel bars 1.5, wherein the vertical plate 1.2 is vertically arranged on the left side and the right side of the top plate 1.4, the end plate 1.3 is vertically arranged at the tail ends of the vertical plate 1.2 and the top plate 1.4, the vertical plate 1.2, the end plate 1.3 and the top plate 1.4 form a protective sleeve, a local section of the high-strength screw 1.1 is arranged in the protective sleeve formed by the vertical plate 1.2, the end plate 1.3 and the top plate 1.4, the vertical steel bars 1.6 are vertically arranged on the end plate 1.3, and the transverse steel bars 1.5 are horizontally arranged on the end plate 1.3 and the vertical plate 1.2; the sleeve connector 2 comprises a sleeve 2.1 and connecting steel bars 2.2, and the connecting steel bars 2.2 are arranged around the sleeve 2.1; the sleeve 2.1 is connected with the front end of the high-strength screw 1.1. The steel bracket 3 is arranged on the precast concrete column. The reinforcing stirrup 4 is sleeved on the periphery of the bolt connector 1.
In this embodiment, the end plate and the top plate are both integral plates.
In this embodiment, each sleeve is provided with 3 connecting steel bars, and the 3 connecting steel bars are arranged on the periphery of the sleeve at an angle of 120 °.
In this embodiment, the transverse bars and the connecting bars are both linear.
In this embodiment, the vertical rebars are L-shaped.
In conclusion, the embodiment provides a reliable design, can ensure the continuity of the concrete member and can adapt to the all-bolt connection node of the construction error of the precast concrete member. The connecting joint of the embodiment is suitable for connecting common precast concrete beam columns, and is particularly suitable for integral precast beams designed according to non-superposed beams.
Example 2
The construction of the full-bolt connecting joint of the precast concrete beam column comprises the following steps:
s1, calculating beam end reinforcing bars;
s2, selecting bolt connectors and sleeve connectors with corresponding specification and quantity according to the beam end reinforcement amplification of 1.1 times;
s3, determining the connector type according to the section size of the concrete beam column and the connector number, namely adopting an independent type or a combined type;
s4, designing the size parameters of the combined bolt connector;
s5, designing beam column reserved notches;
s6, completing deepening drawings of precast beam bolt connectors, notch arrangement and the like;
s7, designing a steel corbel and an embedded part according to the weight of the precast concrete beam;
s8, completing deepening drawings of the prefabricated column sleeve connector, the bracket embedded part and the like;
and S9, prefabricating in a factory and installing on the spot.
Preparation is required before construction, and comprises the following steps: according to the specification of 10.9-grade high-strength bolts commonly used in the market, the design of corresponding bolt connectors and sleeve connectors is carried out in advance, and the corresponding bearing capacity is determined, wherein the design comprises the following contents: 1. determining the corresponding specification and outer diameter size of the sleeve according to the specification of the bolt; 2. determining the diameter, the grade, the welding length and the anchoring length of the longitudinal steel bar according to the bearing capacity of the bolt; 3. determining the diameter, the grade, the welding length and the anchoring length of the vertical steel bar according to the bearing capacity of the bolt; 4. determining the thicknesses of the vertical plate, the end plate and the top plate according to the bearing capacity of the bolt; 5. determining the diameter and position of an opening of the end plate, the distance between vertical plates and the height according to the diameter of the bolt; 6. and determining the diameter, grade, welding length and anchoring length of the sleeve connecting steel bar according to the bearing capacity of the bolt.
During the description of the above description:
the description of the terms "present embodiment," "embodiments of the invention," "as shown at … …," "further improved technical solutions," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention; in this specification, the terminology used above is not necessarily intended to refer to the same embodiment or example, and the particular features, structures, materials, or characteristics described, etc., may be combined or coupled in any suitable manner in any one or more embodiments or examples; furthermore, those of ordinary skill in the art may combine or combine features of different embodiments or examples and features of different embodiments or examples described in this specification without undue conflict.
Finally, it should be noted that:
the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same;
although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that the modifications and substitutions can be made to the embodiments described in the foregoing embodiments, or some or all of the technical features of the embodiments can be replaced by other modifications and substitutions, without departing from the scope of the embodiments of the present invention, and the non-essential modifications, adjustments or substitutions made by those skilled in the art according to the contents of the present specification are within the scope of the present invention.
Claims (7)
1. The full-bolt connecting node for the precast concrete beam column is characterized by comprising a bolt connector and a sleeve connector, wherein the bolt connector is connected with the sleeve connector, the main body of the bolt connector is arranged in the precast concrete beam, and the main body of the sleeve connector is arranged in the precast concrete column;
the bolt connector comprises a high-strength screw rod, a vertical plate, an end plate, a top plate, vertical steel bars and transverse steel bars, wherein the vertical plate is vertically arranged on the left side and the right side of the top plate, the end plate is vertically arranged at the tail ends of the vertical plate and the top plate, the vertical plate, the end plate and the top plate form a protective sleeve, a local section of the high-strength screw rod is arranged in the protective sleeve formed by the vertical plate, the end plate and the top plate, the vertical steel bars are vertically arranged on the end plate, and the transverse steel bars are horizontally arranged on the end plate and the vertical plate;
the sleeve connector comprises a sleeve and connecting steel bars, and the connecting steel bars are arranged around the sleeve;
the sleeve is connected with the front end of the high-strength screw rod.
2. A precast concrete beam column all-bolt connection node according to claim 1, further comprising a steel bracket provided on the precast concrete column.
3. A precast concrete beam column all-bolt connection node according to claim 1, further comprising a reinforcing stirrup that is fitted around the periphery of the bolt connector.
4. A precast concrete beam-column all-bolt connection node as recited in claim 1, wherein the end plate and the top plate are a single plate.
5. A precast concrete beam column all-bolt connection node as claimed in claim 1, wherein each of the sleeves is provided with 3 connection bars, and the 3 connection bars are provided at the outer circumference of the sleeve at an angle of 120 °.
6. A precast concrete beam column all-bolt connection node as recited in claim 1, wherein the transverse reinforcing bars and the connection reinforcing bars are straight lines.
7. A precast concrete beam-column all-bolt connection node as recited in claim 1, wherein the vertical reinforcing bars are L-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220331702.8U CN217379225U (en) | 2022-02-18 | 2022-02-18 | Full bolted connection node of precast concrete beam column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220331702.8U CN217379225U (en) | 2022-02-18 | 2022-02-18 | Full bolted connection node of precast concrete beam column |
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| Publication Number | Publication Date |
|---|---|
| CN217379225U true CN217379225U (en) | 2022-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220331702.8U Active CN217379225U (en) | 2022-02-18 | 2022-02-18 | Full bolted connection node of precast concrete beam column |
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| CN (1) | CN217379225U (en) |
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- 2022-02-18 CN CN202220331702.8U patent/CN217379225U/en active Active
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