CN215760002U - I-shaped reinforced concrete prefabricated energy dissipation superposed beam - Google Patents
I-shaped reinforced concrete prefabricated energy dissipation superposed beam Download PDFInfo
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- CN215760002U CN215760002U CN202121370785.3U CN202121370785U CN215760002U CN 215760002 U CN215760002 U CN 215760002U CN 202121370785 U CN202121370785 U CN 202121370785U CN 215760002 U CN215760002 U CN 215760002U
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Abstract
The utility model relates to an I-shaped reinforced concrete prefabricated energy dissipation composite beam. The prefabricated composite beam structure solves the problems that the prefabricated composite beam structure in the prior art is poor in stability and poor in energy consumption effect. It includes composite beam lower flange plate, composite beam lower flange plate up end is connected with composite beam upper flange plate through the composite beam web plate that is vertical setting with composite beam lower flange plate, composite beam upper flange plate circumference both sides are connected with cast-in-place fixed knot through locating component and construct, be equipped with down fixed establishment on the composite beam lower flange plate, composite beam web plate axial is equipped with the power consumption reinforcing bar subassembly, be equipped with fixed establishment on composite beam upper flange plate and the cast-in-place fixed knot construct, and power consumption reinforcing bar subassembly upper end and the perpendicular crisscross setting of last fixed establishment, the lower extreme sets up with lower fixed establishment is perpendicular crisscross. The utility model has the advantages that: the structure stability is good, and the energy consumption effect is good.
Description
Technical Field
The utility model relates to the technical field of building structures, in particular to an I-shaped reinforced concrete prefabricated energy dissipation composite beam.
Background
At present, the assembly type concrete building is developed very rapidly in China, the assembly type technology is widely popularized and applied in various places, various concrete components are prefabricated in factories and transported to a field for installation. In an assembly type building, a precast beam is the most common component, generally, the component adopts a superposition mode, namely, the beam is a form that a part of precast parts are cast in place, the section of the common precast beam is generally a rectangular section, the precast process of the precast beam is simpler, but certain disadvantages exist, the consumption of the beam material is larger, the rectangular section is not subjected to all stress in all parts in the analysis of the structural anti-seismic angle, the stress of concrete at two sides in the middle of the beam section is smaller, the due performance of the concrete is not exerted, the anti-seismic performance of the rectangular beam is poor, the beam has larger rigidity, the seismic energy absorption is larger, the energy consumption is not obvious, brittle failure is easily generated, and the structural stability is poor.
Disclosure of Invention
The utility model aims to solve the problems and provides the I-shaped reinforced concrete prefabricated energy dissipation superposed beam which is reasonable in design and stable in structure.
In order to achieve the purpose, the utility model adopts the following technical scheme: the I-shaped reinforced concrete prefabricated energy-consumption superposed beam comprises a superposed beam lower flange plate, wherein the upper end surface of the superposed beam lower flange plate is connected with a superposed beam upper flange plate through a superposed beam web plate which is vertically arranged with the superposed beam lower flange plate, the circumferential two sides of the superposed beam upper flange plate are connected with a cast-in-place fixing structure through positioning assemblies, a lower fixing mechanism is arranged on the superposed beam lower flange plate, an energy-consumption reinforcing steel bar assembly is axially arranged on the superposed beam web plate, an upper fixing mechanism is arranged on the superposed beam upper flange plate and the cast-in-place fixing structure, the upper end of the energy-consumption reinforcing steel bar assembly is vertically staggered with the upper fixing mechanism, and the lower end of the energy-consumption reinforcing steel bar assembly is vertically staggered with the lower fixing mechanism. Through set up down fixed establishment on the flange board under the composite beam, and set up fixed establishment between upper flange board of composite beam and cast-in-place fixed knot constructs, utilize the power consumption reinforcing bar subassembly that sets up on the composite beam web to connect lower fixed establishment and last fixed establishment simultaneously, not only effectively eliminate the partial concrete that does not participate in the structure atress, the concrete use amount has been saved to a certain extent, construction cost has been reduced, certain economic benefits has, and the structure is more stable, can prevent to pour and produce the displacement, and simultaneously, under the condition of taking place the earthquake, the effect of power consumption has been played, the structure damage has been avoided.
In the I-shaped reinforced concrete prefabricated energy dissipation composite beam, the upper side of the flange plate on the composite beam is provided with a superposed surface, and the superposed surface is circumferentially arranged on the circumferential outer wall of the lower end of the cast-in-place fixed structure. The arrangement of the superposed surfaces enables the connection between the upper flange plate of the superposed beam and the cast-in-place fixing structure to be firmer.
In foretell I-shaped reinforced concrete prefabricated energy consumption superposed beam, cast-in-place fixed knot constructs including setting up the horizontal slab of pouring, and horizontal slab downside middle part is equipped with the vertical slab of pouring that is perpendicular setting with the horizontal slab of pouring, and the one end and the coincide face zonulae occludens of horizontal slab of pouring are kept away from to the vertical slab of pouring, and circumference outer wall closely laminates with the coincide face.
In the above-mentioned i-shaped reinforced concrete prefabricated energy dissipation composite beam, the positioning assembly includes L-shaped positioning tongues and grooves arranged on both sides of the upper flange plate of the composite beam, the positioning tongues and grooves are provided with composite floor slabs, the upper end surfaces of the composite floor slabs are tightly connected with the lower end surfaces of the transverse pouring plates, and the end portions of the composite floor slabs are tightly connected with the outer walls of the composite plates. The arrangement can prevent the slurry leakage during pouring.
In the above-mentioned i-shaped reinforced concrete prefabricated energy dissipation composite beam, the lower fixing mechanism includes a plurality of first longitudinal steel bars equidistantly arranged on the lower flange plate of the composite beam, the upper side of the first longitudinal steel bars is provided with second longitudinal steel bars, the two ends of the second longitudinal steel bars and the end of the first longitudinal steel bars are located on the same axis, and the first longitudinal steel bars are circumferentially fixed by the first stirrups. The lower fixing mechanism enables the structure of the lower flange plate of the superposed beam to be more stable.
In the above-mentioned i-shaped reinforced concrete prefabricated energy dissipation composite beam, the upper fixing mechanism includes a plurality of third longitudinal steel bars equidistantly arranged on the cast-in-place fixing structure, the flange plate on the composite beam is provided with a fourth longitudinal steel bar, two ends of the fourth longitudinal steel bar and the third longitudinal steel bar are located on the same axis, and the third longitudinal steel bar and the fourth longitudinal steel bar are circumferentially fixed by the second stirrup. The upper fixing mechanism is arranged to enable the cast-in-place fixing structure to be connected with the upper flange plate of the composite beam more tightly.
In the above i-shaped reinforced concrete prefabricated energy dissipation composite beam, the edge sealing steel bars penetrating the upper flange plate of the composite beam are arranged at the lower side of the composite surface in the second stirrups. The arrangement of the edge banding reinforcing steel bars can prevent displacement during concrete pouring.
In the above-mentioned i-shaped reinforced concrete prefabricated energy dissipation composite beam, the energy dissipation steel bar assembly includes the connection stirrup, one end of the connection stirrup is sleeved on the first longitudinal steel bar, the other end is sleeved on the third longitudinal steel bar, the two ends of the web plate of the composite beam are provided with the fixed steel bars located on the circumferential inner sides of the connection stirrup, and the fixed steel bars located at the two ends are connected in a cross manner to form an X-shaped structure. The energy consumption steel bar assembly can consume energy when vibration is generated, and vibration of the structure is reduced.
In the I-shaped reinforced concrete prefabricated energy dissipation superposed beam, a first connecting node is formed between the circumferential inner side of one end of the connecting stirrup and the circumferential outer side of the first stirrup, and the fixed steel bar positioned at one end of the composite beam web plate is arranged on the circumferential inner side of the first connecting node; and a second connecting node is formed between the circumferential inner side of the other end of the connecting stirrup and the circumferential outer side of the second stirrup, and the fixed steel bar positioned at the other end of the laminated beam web plate is arranged on the circumferential inner side of the second connecting node. The lower fixing mechanism and the energy-consuming steel bar component are connected and fastened by the arrangement, so that energy consumption and conduction are facilitated.
In the I-shaped reinforced concrete prefabricated energy dissipation composite beam, a third connecting node is formed between the connecting stirrup and the superposed surface, and positioning steel bars which are positioned on the same axis with the edge sealing steel bars are arranged on the circumferential inner side of the connecting stirrup and positioned on the lower side of the superposed surface.
Compared with the prior art, the utility model has the advantages that: reasonable in design, simple structure not only can effectively eliminate the partial concrete that does not participate in the structure atress, has saved the concrete use amount to a certain extent, has reduced construction cost, has certain economic benefits, and the structure is more stable moreover, can prevent to pour the time production displacement, simultaneously, under the condition that takes place the earthquake, has played the effect of power consumption, has avoided the structure to produce the damage.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a partial structural schematic diagram of the present invention.
In the figure, a lower flange plate 1 of a composite beam, a web plate 2 of the composite beam, an upper flange plate 3 of the composite beam, a composite surface 31, a positioning component 4, a positioning rabbet 41, a composite floor slab 42, a cast-in-place fixing structure 5, a transverse casting plate 51, a longitudinal casting plate 52, a lower fixing mechanism 6, a first longitudinal steel bar 61, a second longitudinal steel bar 62, a first stirrup 63, an energy-consuming steel bar component 7, a connecting stirrup 71, a fixing steel bar 72, an energy-consuming steel bar 73, a first connecting node 74, a second connecting node 75, a third connecting node 76, an upper fixing mechanism 8, a third longitudinal steel bar 81, a fourth longitudinal steel bar 82, a second stirrup 83, a sealing steel bar 9 and a positioning steel bar 91.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-2, the i-shaped reinforced concrete prefabricated energy-dissipation composite beam comprises a composite beam lower flange plate 1, wherein the upper end surface of the composite beam lower flange plate 1 is connected with a composite beam upper flange plate 3 through a composite beam web plate 2 vertically arranged with the composite beam lower flange plate 1, two circumferential sides of the composite beam upper flange plate 3 are connected with cast-in-place fixing structures 5 through positioning assemblies 4, a lower fixing mechanism 6 is arranged on the composite beam lower flange plate 1, an energy-dissipation steel bar assembly 7 is axially arranged on the composite beam web plate 2, upper fixing mechanisms 8 are arranged on the composite beam upper flange plate 3 and the cast-in-place fixing structures 5, the upper ends of the energy-dissipation steel bar assemblies 7 are vertically staggered with the upper fixing mechanisms 8, and the lower ends of the energy-dissipation steel bar assemblies 7 are vertically staggered with the lower fixing mechanisms 6. Through set up fixed establishment 8 between composite beam upper limb listrium 3 and cast-in-place fixed knot construct 5, set up down fixed establishment 6 on composite beam lower limb listrium 1 to connect down fixed establishment 6 and last fixed establishment 8 respectively through setting up power consumption reinforcing bar subassembly 7 on composite beam web 2, not only stable in structure can carry out effective conduction dispersion with the vibration moreover when producing the vibration, has played the effect of power consumption.
Wherein, superimposed face 31 is equipped with on the 3 upsides of superimposed beam upper limb listrium, and superimposed face 31 circumference sets up in cast-in-place fixed knot 5 lower extreme circumference outer wall. The overlapping surface here has an abutment extending in the circumferential direction and forms an overlapping surface 31 on the circumferential inner side
As can be seen, the cast-in-place fixing structure 5 includes a transverse pouring plate 51, a longitudinal pouring plate 52 is disposed in the middle of the lower side of the transverse pouring plate 51 and perpendicular to the transverse pouring plate 51, one end of the longitudinal pouring plate 52, which is far away from the transverse pouring plate 51, is tightly connected to the superimposed surface 31, and the circumferential outer wall is tightly attached to the superimposed surface 31.
Furthermore, the positioning assembly 4 includes L-shaped positioning tongues 41 disposed on both sides of the upper flange plate 3 of the composite beam, a composite floor slab 42 is disposed on the positioning tongues 41, an upper end surface of the composite floor slab 42 is tightly connected with a lower end surface of the transverse casting plate 51, and an end portion of the composite floor slab is tightly connected with an outer wall of the composite surface 31. When the composite floor slab 42 is installed, the composite floor slab can be directly clamped in the positioning rabbet 41, and the assembly is convenient.
Obviously, the lower fixing mechanism 6 includes a plurality of first longitudinal steel bars 61 equidistantly disposed on the lower flange plate 1 of the composite beam, a second longitudinal steel bar 62 having two ends located on the same axis with the end of the first longitudinal steel bar 61 is disposed on the upper side of the first longitudinal steel bar 61, and the first longitudinal steel bar 61 are circumferentially fixed by a first stirrup 63. The lower fixing mechanism 6 is mainly used for enhancing the structural stability of the lower flange plate 1 of the composite beam.
Specifically, the upper fixing mechanism 8 includes a plurality of third longitudinal steel bars 81 equidistantly disposed on the cast-in-place fixing structure 5, a fourth longitudinal steel bar 82 having two ends located on the same axis as the third longitudinal steel bars 81 is disposed on the flange plate 3 of the composite beam, and the third longitudinal steel bar 81 and the fourth longitudinal steel bar 82 are circumferentially fixed by a second stirrup 83. The upper fixing mechanism 8 is arranged to ensure that the cast-in-place fixing structure 5 is more stably connected with the upper flange plate 3 of the composite beam.
Furthermore, the edge banding reinforcing steel bars 9 penetrating through the upper flange plate 3 of the composite beam are arranged on the lower side of the overlapping surface 31 in the second stirrups. The edge banding reinforcement 9 is provided to prevent slurry leakage when the composite floor slab 42 is installed.
More specifically, the energy dissipation reinforcement assembly 7 includes a connection stirrup 71, one end of the connection stirrup 71 is sleeved on the first longitudinal reinforcement 61, the other end is sleeved on the third longitudinal reinforcement 81, the two ends of the laminated beam web 2 are provided with fixing reinforcements 72 located at the circumferential inner side of the connection stirrup 71, and the fixing reinforcements 72 located at the two ends are cross-connected through energy dissipation reinforcements 73 to form an X-shaped structure. This arrangement provides for greater structural stability of the composite spar web 2.
In detail, a first connecting node 74 is formed between the circumferential inner side of one end of the connecting stirrup 71 and the circumferential outer side of the first stirrup 63, and the fixed steel bar 72 positioned at one end of the composite beam web is arranged on the circumferential inner side of the first connecting node 74; a second connection node 75 is formed between the circumferential inner side of the other end of the connection stirrup 71 and the circumferential outer side of the second stirrup, and the fixed steel bar 72 at the other end of the laminated beam web 2 is arranged on the circumferential inner side of the second connection node 75.
Preferably, a third connection node 76 is formed between the connection stirrup 71 and the overlapped surface 31, and a positioning steel bar 91 which is located on the same axis with the edge-sealing steel bar 9 is arranged on the circumferential inner side of the connection stirrup 71 and on the lower side of the overlapped surface 31.
In summary, the principle of the present embodiment is: through set up fixed establishment 8 between composite beam upper limb listrium 3 and cast-in-place fixed knot constructs 5, set up down fixed establishment 6 on composite beam lower limb listrium 1, and connect lower fixed establishment 6 and last fixed establishment 8 respectively through setting up power consumption reinforcing bar subassembly 7 on composite beam web 2, not only stable in structure, and when producing vibration, can carry out effective absorption and conduction dispersion vibration energy with the vibration, played the effect of power consumption, simultaneously, the setting up of locating component 4 has been eliminated and has not participated in the partial concrete of structure atress, the concrete dosage has been saved to a certain extent, construction cost is reduced, certain economic benefits has.
The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.
Although the terms of the lower flange plate 1 of the composite beam, the web plate 2 of the composite beam, the upper flange plate 3 of the composite beam, the composite surface 31, the positioning component 4, the positioning rabbet 41, the composite floor slab 42, the cast-in-place fixing structure 5, the transverse casting plate 51, the longitudinal casting plate 52, the lower fixing mechanism 6, the first longitudinal steel bar 61, the second longitudinal steel bar 62, the first stirrup 63, the energy-consuming steel bar component 7, the connecting stirrup 71, the fixing steel bar 72, the energy-consuming steel bar 73, the first connecting node 74, the second connecting node 75, the third connecting node 76, the upper fixing mechanism 8, the third longitudinal steel bar 81, the fourth longitudinal steel bar 82, the second stirrup 83, the edge-sealing steel bar 9, and the positioning steel bar 91 are used more often, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (10)
1. An I-shaped reinforced concrete prefabricated energy dissipation composite beam comprises a lower flange plate (1) of the composite beam, the upper end surface of the lower flange plate (1) of the superposed beam is connected with an upper flange plate (3) of the superposed beam through a superposed beam web plate (2) which is vertically arranged with the lower flange plate (1) of the superposed beam, it is characterized in that the two circumferential sides of the upper flange plate (3) of the superposed beam are connected with a cast-in-situ fixing structure (5) through positioning components (4), the lower flange plate (1) of the superposed beam is provided with a lower fixing mechanism (6), the superposed beam web (2) is axially provided with an energy-consuming steel bar component (7), the upper flange plate (3) of the superposed beam and the cast-in-situ fixing structure (5) are provided with an upper fixing mechanism (8), and the upper end of the energy-consuming steel bar component (7) is vertically staggered with the upper fixing mechanism (8), and the lower end of the energy-consuming steel bar component is vertically staggered with the lower fixing mechanism (6).
2. The I-shaped reinforced concrete prefabricated energy dissipation composite beam as claimed in claim 1, wherein an overlapping surface (31) is arranged on the upper side of the upper flange plate (3) of the composite beam, and the overlapping surface (31) is circumferentially arranged on the circumferential outer wall of the lower end of the cast-in-place fixing structure (5).
3. The I-shaped reinforced concrete prefabricated energy dissipation composite beam as claimed in claim 2, wherein the cast-in-place fixing structure (5) comprises a transverse pouring plate (51), a longitudinal pouring plate (52) perpendicular to the transverse pouring plate (51) is arranged in the middle of the lower side of the transverse pouring plate (51), one end, far away from the transverse pouring plate (51), of the longitudinal pouring plate (52) is tightly connected with the composite surface (31), and the circumferential outer wall of the longitudinal pouring plate is tightly attached to the composite surface (31).
4. The I-shaped reinforced concrete prefabricated energy dissipation composite beam as claimed in claim 3, wherein the positioning assembly (4) comprises L-shaped positioning tongues and grooves (41) arranged on two sides of the upper flange plate (3) of the composite beam, laminated floor slabs (42) are arranged on the positioning tongues and grooves (41), the upper end surfaces of the laminated floor slabs (42) are tightly connected with the lower end surfaces of the transverse pouring plates (51), and the end portions of the laminated floor slabs are tightly connected with the outer walls of the laminated surfaces (31).
5. The I-shaped reinforced concrete prefabricated energy dissipation composite beam as claimed in claim 1, wherein the lower fixing mechanism (6) comprises a plurality of first longitudinal steel bars (61) equidistantly arranged on the lower flange plate (1) of the composite beam, the upper side of the first longitudinal steel bars (61) is provided with second longitudinal steel bars (62) of which two ends are coaxial with the ends of the first longitudinal steel bars (61), and the first longitudinal steel bars (61) are circumferentially fixed through first stirrups (63).
6. The I-shaped reinforced concrete prefabricated energy dissipation composite beam as claimed in claim 5, wherein the upper fixing mechanism (8) comprises a plurality of third longitudinal steel bars (81) equidistantly arranged on the cast-in-place fixing structure (5), a fourth longitudinal steel bar (82) with two ends located on the same axis with the third longitudinal steel bars (81) is arranged on the upper flange plate (3) of the composite beam, and the third longitudinal steel bars (81) and the fourth longitudinal steel bars (82) are circumferentially fixed through second stirrups (83).
7. The I-shaped reinforced concrete prefabricated energy dissipation composite beam as claimed in claim 6, wherein the second stirrups are internally provided with edge sealing steel bars (9) penetrating through the upper flange plate (3) of the composite beam at the lower side of the composite surface (31).
8. The I-shaped reinforced concrete prefabricated energy dissipation composite beam as claimed in claim 7, wherein the energy dissipation reinforcement assembly (7) comprises a connection hoop (71), one end of the connection hoop (71) is sleeved on the first longitudinal reinforcement (61), the other end of the connection hoop is sleeved on the third longitudinal reinforcement (81), the two ends of the web plate (2) of the composite beam are provided with fixing reinforcements (72) located at the circumferential inner sides of the connection hoop (71), and the fixing reinforcements (72) located at the two ends are connected in a cross manner through the energy dissipation reinforcements (73) to form an X-shaped structure.
9. The I-shaped reinforced concrete prefabricated energy dissipation composite beam as claimed in claim 7, wherein a first connection node (74) is formed between the circumferential inner side of one end of the connection stirrup (71) and the circumferential outer side of the first stirrup (63), and the fixing steel bar (72) at one end of the web plate of the composite beam is arranged on the circumferential inner side of the first connection node (74); and a second connecting node (75) is formed between the circumferential inner side of the other end of the connecting stirrup (71) and the circumferential outer side of the second stirrup, and a fixed steel bar (72) positioned at the other end of the laminated beam web plate (2) is arranged on the circumferential inner side of the second connecting node (75).
10. The I-shaped reinforced concrete prefabricated energy dissipation composite beam as claimed in claim 7, wherein a third connecting node (76) is formed between the connecting stirrup (71) and the laminated surface (31), and a positioning steel bar (91) which is located on the same axis with the edge sealing steel bar (9) is arranged on the circumferential inner side of the connecting stirrup (71) and on the lower side of the laminated surface (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121370785.3U CN215760002U (en) | 2021-06-18 | 2021-06-18 | I-shaped reinforced concrete prefabricated energy dissipation superposed beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121370785.3U CN215760002U (en) | 2021-06-18 | 2021-06-18 | I-shaped reinforced concrete prefabricated energy dissipation superposed beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215760002U true CN215760002U (en) | 2022-02-08 |
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ID=80101231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121370785.3U Expired - Fee Related CN215760002U (en) | 2021-06-18 | 2021-06-18 | I-shaped reinforced concrete prefabricated energy dissipation superposed beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215760002U (en) |
-
2021
- 2021-06-18 CN CN202121370785.3U patent/CN215760002U/en not_active Expired - Fee Related
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