CN109518803B - Precast concrete beam with high-strength connecting nodes - Google Patents
Precast concrete beam with high-strength connecting nodes Download PDFInfo
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- CN109518803B CN109518803B CN201811370710.8A CN201811370710A CN109518803B CN 109518803 B CN109518803 B CN 109518803B CN 201811370710 A CN201811370710 A CN 201811370710A CN 109518803 B CN109518803 B CN 109518803B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/21—Connections specially adapted therefor
- E04B1/215—Connections specially adapted therefor comprising metallic plates or parts
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Abstract
The invention relates to the technical field of nodes for buildings and discloses a precast concrete beam with a high-strength connecting node. This precast concrete roof beam that possesses high strength connected node makes the concrete longeron can bear external pulling force, shearing force and bending force through the combined action of horizontal atress muscle and upright muscle and vertical atress muscle for the concrete longeron can bear the effect of concrete crossbeam, combined action through last latch and lower latch increases the frictional force between arc joint groove and the arc joint board, and then makes arc joint groove and arc joint board be difficult to the separation under the condition that receives external force.
Description
Technical Field
The invention relates to the technical field of nodes for buildings, in particular to a precast concrete beam with a high-strength connecting node.
Background
The reinforced concrete beam is a beam made of reinforced concrete material, and can be made into independent beam, also can be combined with reinforced concrete plate to form integral beam-plate type floor system, or can be combined with reinforced concrete column to form integral single-layer or multi-layer frame.
There is a concrete beam for precast beam, precast beam is one kind at concrete member factory or construction site on-the-spot formwork, stir, pour and form, after intensity reaches the design regulation, transport the concrete beam component that the mounted position goes on installing, this kind of precast beam installation is simpler, save time, precast beam needs the connected node of high strength to install in the installation, the connected node that adopts at present all uses high strength bolt to install, this kind of method plays better effect in the short time, but after the time has been long make the bolt warp along with the decline of the intensity of bolt and the settlement of ground make the connected node can't bear the gravity of concrete beam, lead to the collapse of whole engineering.
Disclosure of Invention
The invention provides a precast concrete beam with a high-strength connecting node, which has the advantages of high connecting strength and high bearing strength, and cannot support a concrete cross beam due to the settlement of a concrete longitudinal beam, so that the problem of poor bearing capacity caused by the simple structure of the connecting node of the conventional concrete beam is solved.
The invention provides the following technical scheme: a precast concrete beam with high-strength connecting nodes comprises a concrete longitudinal beam, wherein a vertical rib is arranged inside the concrete longitudinal beam, a transverse stress rib is arranged inside the concrete longitudinal beam, a longitudinal stress rib is arranged inside the concrete longitudinal beam, the vertical rib, the transverse stress rib and the longitudinal stress rib are connected in a staggered manner, the vertical rib penetrates through the top of the concrete longitudinal beam and extends to the position above the concrete longitudinal beam, a stress steel disc is fixedly arranged at the top of the stress steel disc, a concrete node seat is fixedly arranged at the top of the stress steel disc, a reinforcing rib is arranged inside the concrete node seat, the top of the stress steel disc is welded with the bottom of the reinforcing rib, a groove is formed in the top of the concrete node seat, a clamping disc is movably clamped at the top of the groove, the top of the reinforcing rib penetrates through the concrete node seat and the groove in sequence, the clamping disc is connected with a first fixing nut through threads, an arc-shaped clamping groove is formed in the concrete node seat, a rectangular clamping groove is formed in the concrete node seat, a first bolt hole is formed in the front face of the concrete node seat, an arc-shaped clamping plate is movably clamped in the arc-shaped clamping groove, a rectangular clamping plate is movably clamped in the inner cavity of the rectangular clamping groove, a concrete cross beam is fixedly connected to the other ends of the arc-shaped clamping plate and the rectangular clamping plate, a second bolt hole is formed in the front face of the concrete cross beam, a bolt is in threaded connection with the first bolt hole and the second bolt hole, the bolt is connected with the concrete node seat and the concrete cross beam through a side protection plate, a supporting seat is arranged on the right side face of the concrete longitudinal beam, a first metal expansion pipe is arranged in the supporting seat, a clamping seat is arranged at the bottom of the concrete cross beam, and a second metal expansion pipe is arranged in the clamping seat, the outer surface cover that first metal expansion pipe is located supporting seat right side one end is equipped with the metal guard plate, the top threaded connection of first metal expansion pipe has second fixation nut, the other end and the second metal expansion pipe of metal guard plate cup joint mutually, the top threaded connection of second metal expansion pipe has third fixation nut.
Preferably, the bottom fixedly connected with of arc joint board goes up the latch, the latch under the bottom fixedly connected with of arc joint inslot cavity, go up latch and latch looks joint down.
Preferably, the transverse stress rib is connected with the vertical rib in a welding mode, and the longitudinal stress rib is connected with the vertical rib in a welding mode.
Preferably, the diameter value of the erection rib is larger than that of the transverse stress rib, and the diameter value of the erection rib is larger than that of the longitudinal stress rib.
Preferably, the number of the side guard plates is two, and the two side guard plates are respectively positioned on the back and the front of the concrete node seat.
Preferably, the number of the reinforcing ribs is ten, every five reinforcing ribs are in one group, the two groups of reinforcing ribs are positioned on two sides of the right side face of the concrete node seat, and the distance value between the two groups of reinforcing ribs is larger than the width value of the arc clamping plate.
Preferably, the rectangular clamping plate and the arc-shaped clamping plate are distributed in a crossed mode, and the rectangular clamping groove and the arc-shaped clamping groove are distributed in a crossed mode.
Preferably, the concrete cross beam is also internally provided with vertical ribs, transverse stress ribs and longitudinal stress ribs.
Preferably, the diameter value of the reinforcing rib is larger than that of the erection rib.
The invention has the following beneficial effects:
1. this precast concrete roof beam that possesses high strength connected node makes the concrete longeron can bear external pulling force, shearing force and bending force through the combined action of horizontal atress muscle and upright muscle and vertical atress muscle for the concrete longeron can bear the effect of concrete crossbeam, combined action through last latch and lower latch increases the frictional force between arc joint groove and the arc joint board, and then makes arc joint groove and arc joint board be difficult to the separation under the condition that receives external force.
2. This precast concrete roof beam that possesses high strength connected node, make fixing that concrete node seat can stabilize more on the concrete longeron through strengthening rib and first fixation nut's common cooperation, the effect through the joint dish makes every strengthening rib can not round trip movement in its fixed position, thereby make first fixation nut can not become flexible easily, the cooperation through side guard plate and bolt makes concrete crossbeam and concrete node seat can keep fixed distance can not change, thereby the effect nature of node has been strengthened.
3. This precast concrete roof beam that possesses high strength connected node, combined action through arc joint groove and arc joint board and rectangle joint groove and rectangle joint board makes concrete beam's partial gravity act on concrete node seat, through the supporting role of supporting seat to the cassette for concrete beam's most power is acted on concrete longeron, the atress of concrete node seat has been reduced, the effect through the metal guard plate makes the relative position of supporting seat and cassette can not change.
Drawings
FIG. 1 is a cross-sectional view of the structure of the present invention;
FIG. 2 is a sectional view of a portion of the present invention;
FIG. 3 is a front view of the present invention;
fig. 4 is an enlarged view of a portion of the structure of the present invention.
In the figure: 1. a concrete stringer; 2. a supporting seat; 3. a first metal expansion tube; 4. a second fixing nut; 5. a metal guard plate; 6. a third fixing nut; 7. a second metal expansion tube; 8. a card holder; 9. a concrete beam; 10. a second bolt hole; 11. a rectangular clamping and connecting plate; 12. a rectangular clamping groove; 13. an arc-shaped clamping and connecting plate; 14. an arc-shaped clamping groove; 15. a concrete joint seat; 16. a first bolt hole; 17. a stressed steel disc; 18. transverse stress ribs; 19. erecting ribs; 20. longitudinal stress ribs; 21. reinforcing ribs; 22. a groove; 23. a clamping disc; 24. a first fixing nut; 25. a side guard plate; 26. a bolt; 27. a lower latch; 28. and (4) clamping teeth.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a precast concrete beam with high-strength connection nodes includes a concrete longitudinal beam 1, a vertical rib 19 is disposed inside the concrete longitudinal beam 1, a transverse stress rib 18 is disposed inside the concrete longitudinal beam 1, a longitudinal stress rib 20 is disposed inside the concrete longitudinal beam 1, the vertical rib 19 is connected to the transverse stress rib 18 and the longitudinal stress rib 20 in a staggered manner, the transverse stress rib 18 is connected to the vertical rib 19 in a welded manner, the longitudinal stress rib 20 is connected to the vertical rib 19 in a welded manner, a diameter value of the vertical rib 19 is greater than a diameter value of the transverse stress rib 18, the diameter value of the vertical rib 19 is greater than a diameter value of the longitudinal stress rib 20, the concrete longitudinal beam 1 can bear external tensile force, shear force and bending force through combined action of the transverse stress rib 18, the vertical rib 19 and the longitudinal stress rib 20, so that the concrete longitudinal beam 1 can bear force of a concrete cross beam 9, the erection reinforcement 19 penetrates through the top of the concrete longitudinal beam 1 and extends to the upper side of the concrete longitudinal beam 1, and is fixedly provided with a stress steel disc 17, the top of the stress steel disc 17 is fixedly provided with a concrete node seat 15, reinforcing ribs 21 are arranged inside the concrete node seat 15, the diameter value of each reinforcing rib 21 is larger than that of the erection reinforcement 19, the number of the reinforcing ribs 21 is ten, every five reinforcing ribs 21 form one group, two groups of reinforcing ribs 21 are positioned on two sides of the right side surface of the concrete node seat 15, the distance value between the two groups of reinforcing ribs 21 is larger than the width value of the arc-shaped clamping plate 13, the top of the stress steel disc 17 is welded with the bottom of each reinforcing rib 21, the top of the concrete node seat 15 is provided with a groove 22, the top of the groove 22 is movably clamped with a clamping plate 23, the top of each reinforcing rib 21 penetrates through the concrete node seat 15, the groove 22 and the clamping plate 23 in sequence and, each reinforcing rib 21 cannot move back and forth at the fixed position under the action of the clamping disc 23, so that the first fixing nut 24 cannot be easily loosened, the concrete node seat 15 can be more stably fixed on the concrete longitudinal beam 1 through the common cooperation of the reinforcing ribs 21 and the first fixing nut 24, the arc-shaped clamping groove 14 is formed in the concrete node seat 15, the bottom of the inner cavity of the arc-shaped clamping groove 14 is fixedly connected with the lower clamping tooth 27, the upper clamping tooth 28 is clamped with the lower clamping tooth 27, the friction force between the arc-shaped clamping groove 14 and the arc-shaped clamping plate 13 is increased through the common action of the upper clamping tooth 28 and the lower clamping tooth 27, the arc-shaped clamping groove 14 and the arc-shaped clamping plate 13 are not easily separated under the condition of external force, the rectangular clamping groove 12 is formed in the concrete node seat 15, the first bolt hole 16 is formed in the front surface of the concrete node seat 15, the inner part of the arc-shaped clamping groove 14 is movably clamped with an arc-shaped clamping plate 13, the bottom of the arc-shaped clamping plate 13 is fixedly connected with an upper clamping tooth 28, the inner cavity of the rectangular clamping groove 12 is movably clamped with a rectangular clamping plate 11, the rectangular clamping plate 11 and the arc-shaped clamping plate 13 are distributed in a crossed manner, the rectangular clamping groove 12 and the arc-shaped clamping groove 14 are distributed in a crossed manner, partial gravity of the concrete beam 9 acts on the concrete node seat 15 through the combined action of the arc-shaped clamping groove 14, the arc-shaped clamping plate 13, the rectangular clamping groove 12 and the rectangular clamping plate 11, the other ends of the arc-shaped clamping plate 13 and the rectangular clamping plate 11 are fixedly connected with a concrete beam 9, the inner part of the concrete beam 9 is also provided with an erection rib 19, a transverse stress rib 18 and a longitudinal stress rib 20, the front surface of the concrete beam 9 is provided with a second bolt hole 10, and the first bolt hole 16 and the, the bolt 26 is connected with the concrete node seat 15 and the concrete beam 9 through the side guard plates 25, the number of the side guard plates 25 is two, the two side guard plates 25 are respectively positioned on the back surface and the front surface of the concrete node seat 15, the fixed distance between the concrete beam 9 and the concrete node seat 15 can be kept unchanged through the matching of the side guard plates 25 and the bolt 26, so that the node action is enhanced, the right side surface of the concrete longitudinal beam 1 is provided with the supporting seat 2, most of the force of the concrete beam 9 acts on the concrete longitudinal beam 1 through the supporting action of the supporting seat 2 on the clamping seat 8, the stress of the concrete node seat 15 is reduced, the first metal expansion pipe 3 is arranged inside the supporting seat 2, the clamping seat 8 is arranged at the bottom of the concrete beam 9, the second metal expansion pipe 7 is arranged inside the clamping seat 8, the metal protection plate 5 is sleeved on the outer surface of the first metal expansion pipe 3 at one end of the right side of the supporting, make the relative position of supporting seat 2 and cassette 8 can not change through the effect of metal guard plate 5, the top threaded connection of first metal expansion pipe 3 has second fixation nut 4, and the other end of metal guard plate 5 cup joints with second metal expansion pipe 7 mutually, and the top threaded connection of second metal expansion pipe 7 has third fixation nut 6.
The theory of operation, at first hoist and mount concrete beam 9 in the position department that arc joint board 13 and arc joint groove 14 correspond with the loop wheel machine, push arc joint board 13 to the inside of arc joint groove 14 this moment, rectangle joint board 11 and rectangle joint groove 12 can joint each other this moment, cassette 8 can joint on the position that supporting seat 2 was reserved in step, first bolt hole 16 and the second bolt hole 10 that correspond with the pore pair on the side guard plate 25, then screw up bolt 26, aim at first metal expansion pipe 3 and second metal expansion pipe 7 with the hole on the metal guard plate 5, then will correspond second fixation nut 4 and third fixation nut 6 screw up can, the same operation also carries out simultaneously of the opposite side that corresponds.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a precast concrete roof beam that possesses high strength connected node, includes concrete longitudinal beam (1), its characterized in that: the concrete longitudinal beam is characterized in that a vertical rib (19) is arranged inside the concrete longitudinal beam (1), a transverse stress rib (18) is arranged inside the concrete longitudinal beam (1), a longitudinal stress rib (20) is arranged inside the concrete longitudinal beam (1), the vertical rib (19), the transverse stress rib (18) and the longitudinal stress rib (20) are connected in a staggered mode, the vertical rib (19) penetrates through the top of the concrete longitudinal beam (1) and extends to the upper side of the concrete longitudinal beam (1), a stress steel disc (17) is fixedly arranged on the top of the stress steel disc (17), a concrete node seat (15) is fixedly arranged on the top of the stress steel disc (17), a reinforcing rib (21) is arranged inside the concrete node seat (15), the top of the stress steel disc (17) is welded with the bottom of the reinforcing rib (21), a groove (22) is formed in the top of the concrete node seat (15), and a clamping disc (23) is movably clamped on the top of the groove (22), the top of the reinforcing rib (21) sequentially penetrates through a concrete node seat (15), a groove (22) and a clamping disc (23) and is in threaded connection with a first fixing nut (24), an arc-shaped clamping groove (14) is formed in the concrete node seat (15), a rectangular clamping groove (12) is formed in the concrete node seat (15), a first bolt hole (16) is formed in the front of the concrete node seat (15), an arc-shaped clamping plate (13) is clamped in the inner movable clamping groove (14), a rectangular clamping plate (11) is clamped in the inner cavity movable clamping groove (12), a concrete beam (9) is fixedly connected to the other end of the arc-shaped clamping plate (13) and the other end of the rectangular clamping plate (11), a second bolt hole (10) is formed in the front of the concrete beam (9), and a bolt (26) is in threaded connection with the first bolt hole (16) and the second bolt hole (10), the bolt (26) is connected with the concrete node seat (15) and the concrete beam (9) through the side guard plate (25), a supporting seat (2) is arranged on the right side surface of the concrete longitudinal beam (1), a first metal expansion pipe (3) is arranged inside the supporting seat (2), the bottom of the concrete beam (9) is provided with a clamping seat (8), a second metal expansion pipe (7) is arranged inside the clamping seat (8), a metal protection plate (5) is sleeved on the outer surface of one end of the first metal expansion pipe (3) positioned at the right side of the supporting seat (2), the top of the first metal expansion pipe (3) is connected with a second fixing nut (4) through a thread, the other end of the metal protection plate (5) is sleeved with a second metal expansion pipe (7), the top of the second metal expansion pipe (7) is in threaded connection with a third fixing nut (6).
2. The precast concrete beam provided with the high-strength connection node according to claim 1, wherein: latch (28) are gone up to the bottom fixedly connected with of arc joint board (13), latch (27) under the bottom fixedly connected with of arc joint groove (14) inner chamber, go up latch (28) and latch (27) looks joint down.
3. The precast concrete beam provided with the high-strength connection node according to claim 1, wherein: the transverse stress rib (18) is connected with the vertical rib (19) in a welding mode, and the longitudinal stress rib (20) is connected with the vertical rib (19) in a welding mode.
4. The precast concrete beam provided with the high-strength connection node according to claim 1, wherein: the diameter value of the vertical rib (19) is larger than that of the transverse stress rib (18), and the diameter value of the vertical rib (19) is larger than that of the longitudinal stress rib (20).
5. The precast concrete beam provided with the high-strength connection node according to claim 1, wherein: the number of the side guard plates (25) is two, and the two side guard plates (25) are respectively positioned on the back and the front of the concrete node seat (15).
6. The precast concrete beam provided with the high-strength connection node according to claim 1, wherein: the quantity of strengthening rib (21) is ten, ten every five of strengthening rib (21) are a set of, and are two sets of strengthening rib (21) are located the both sides of concrete node seat (15) right flank, and two sets of distance value between strengthening rib (21) is greater than the width value of arc joint board (13).
7. The precast concrete beam provided with the high-strength connection node according to claim 1, wherein: the rectangular clamping plate (11) and the arc-shaped clamping plate (13) are distributed in a crossed mode, and the rectangular clamping grooves (12) and the arc-shaped clamping grooves (14) are distributed in a crossed mode.
8. The precast concrete beam provided with the high-strength connection node according to claim 1, wherein: and the concrete cross beam (9) is also internally provided with erection ribs (19), transverse stress ribs (18) and longitudinal stress ribs (20).
9. The precast concrete beam provided with the high-strength connection node according to claim 1, wherein: the diameter value of the reinforcing rib (21) is larger than that of the vertical rib (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811370710.8A CN109518803B (en) | 2018-11-17 | 2018-11-17 | Precast concrete beam with high-strength connecting nodes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811370710.8A CN109518803B (en) | 2018-11-17 | 2018-11-17 | Precast concrete beam with high-strength connecting nodes |
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| Publication Number | Publication Date |
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| CN109518803A CN109518803A (en) | 2019-03-26 |
| CN109518803B true CN109518803B (en) | 2020-08-18 |
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| CN201811370710.8A Active CN109518803B (en) | 2018-11-17 | 2018-11-17 | Precast concrete beam with high-strength connecting nodes |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110528377A (en) * | 2019-08-23 | 2019-12-03 | 辽宁省交通规划设计院有限责任公司 | Fashioned iron and concrete composite bridge |
| CN112575961B (en) * | 2020-12-15 | 2022-06-21 | 深圳市联合创艺建筑设计有限公司 | Prefabricated reinforced concrete structural beam for prefabricated house building |
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| JP2013204364A (en) * | 2012-03-29 | 2013-10-07 | Fujita Corp | Joining structure for joining seismic isolation device to concrete structure |
| EP2468986A3 (en) * | 2010-12-14 | 2015-07-15 | Simpson Strong-Tie Company, Inc. | Moment frame connector |
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| EP2130984B1 (en) * | 2008-06-04 | 2013-06-19 | Industrieberatung Maier AG | Load distribution body with profile carrier system |
| CN206815519U (en) * | 2017-03-31 | 2017-12-29 | 中民筑友科技投资有限公司 | A kind of connecting node of prefabricated post and precast beam |
| CN207469443U (en) * | 2017-11-24 | 2018-06-08 | 王伟 | Girt strip connection structure and assembled girt strip |
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|---|---|---|---|---|
| EP2468986A3 (en) * | 2010-12-14 | 2015-07-15 | Simpson Strong-Tie Company, Inc. | Moment frame connector |
| JP2013204364A (en) * | 2012-03-29 | 2013-10-07 | Fujita Corp | Joining structure for joining seismic isolation device to concrete structure |
| CN106284656A (en) * | 2016-10-13 | 2017-01-04 | 哈尔滨工业大学 | A kind of prefabricated primary and secondary beam connecting node being connected with angle steel and manufacture method |
| CN106869321A (en) * | 2017-03-16 | 2017-06-20 | 南昌大学 | The prefabricated regeneration concrete bean column node and its construction method of a kind of reinforcement |
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Effective date of registration: 20201228 Address after: 233000 3rd floor, Dong'an Market, Fengyang West Road, Longzihu District, Bengbu City, Anhui Province Patentee after: Bengbu 309 Technology Consulting Co.,Ltd. Address before: No. 141, Da'ao village, JIEKOU street, Conghua District, Guangzhou City, Guangdong Province, 510000 Patentee before: Li Xiujuan |
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Effective date of registration: 20221219 Address after: 530600 No.1 Hongbo Avenue, Subo Industrial Park, Mashan County, Nanning City, Guangxi Zhuang Autonomous Region Patentee after: Guangxi Zhengmao Material Technology Co.,Ltd. Address before: 233000 3rd floor, Dong'an Market, Fengyang West Road, Longzihu District, Bengbu City, Anhui Province Patentee before: Bengbu 309 Technology Consulting Co.,Ltd. |