CN105804255A - Assembling structure for prefabricated concrete beam and composite steel pipe concrete column, and construction method for assembling structure - Google Patents
Assembling structure for prefabricated concrete beam and composite steel pipe concrete column, and construction method for assembling structure Download PDFInfo
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- CN105804255A CN105804255A CN201610326205.8A CN201610326205A CN105804255A CN 105804255 A CN105804255 A CN 105804255A CN 201610326205 A CN201610326205 A CN 201610326205A CN 105804255 A CN105804255 A CN 105804255A
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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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
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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
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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Abstract
The invention discloses an assembling structure for a prefabricated concrete beam and a composite steel pipe concrete column, and a construction method for the assembling structure. The composite steel pipe concrete column comprises an inner steel pipe and an outer steel pipe; interlayer concrete is arranged between the inner steel pipe and the outer steel pipe; an inner pipe connecting plate is arranged on the inner steel pipe; a plurality of bolt holes are formed in the inner pipe connecting plate; the outer steel pipe comprises an upper outer steel pipe and a lower outer steel pipe; a hole is formed in the bottom of the upper outer steel pipe and is used for assembling the prefabricated concrete beam; the prefabricated concrete beam comprises prefabricated reinforced concrete and pre-buried beam end steel pipes; a beam end connecting plate is arranged in the centre of each pre-buried beam end steel pipe; a plurality of longitudinal reinforcing steel bars are arranged on the periphery of each pre-buried beam end steel pipe; a plurality of bolt holes are formed in each beam end connecting plate; stirrups are arranged on the periphery of each longitudinal reinforcing steel bar; the longitudinal reinforcing steel bars are bent at each beam end in a vertical direction and are anchored in the interlayer concrete; the inner pipe connecting plate is locked and connected with each beam end connecting plate through the corresponding bolts. The assembling structure for the prefabricated concrete beam and the composite steel pipe concrete column has high bearing capacity, high rigidity and high earthquake-resistant ductility.
Description
[technical field]
The invention belongs to prefabricated construction technical field in civil engineering, be specifically related to assembling structure and the construction method thereof of a kind of precast concrete beam and composite steel tube concrete column.
[background technology]
Tradition cast-in-place construction mode industrialization degree is low, and execution conditions are poor, waste time and energy, and is unfavorable for that energy-conserving and environment-protective, common quality defect are difficult to elimination, security incident also happens occasionally.Adopt prefabricated construction can energy-conservation, water saving, material-saving, building waste is greatly reduced, reduces sound pollution, reduce labour force's consumption and intensity, be effectively improved construction environment, improve construction quality.
The node majority of conventional steel bar concrete beam and steel core concrete column adopts reinforcing bar circulating type to connect, and scene needs installation form, and reinforcing bar binding also connects, complex procedures, constructional difficulties；Node point connection sectional dimension is bigger.Main and girder steel connection in the assembling of steel core concrete column connecting joint point, junction adopts end plate and bolt, and fastener for connection outside with post, under load action, outer steel pipe is susceptible to drum song, and node coupling stiffness is more weak, and bearing capacity and globality are also poor.Still lacking the attachment structure of precast concrete beam and steel core concrete column in current engineering, the connection for precast concrete beam and composite steel tube concrete column is more the absence of.
[summary of the invention]
One of the technical problem to be solved is in that to provide the assembling structure of a kind of bearing capacity is high, rigidity is big, anti-earthquake ductility is good precast concrete beam and composite steel tube concrete column.
The two of the technical problem to be solved are in that to provide the construction method of the assembling structure of a kind of bearing capacity is high, rigidity is big, anti-earthquake ductility is good precast concrete beam and composite steel tube concrete column.
One of the technical problem to be solved in the present invention is achieved in that
The assembling structure of a kind of precast concrete beam and composite steel tube concrete column, described composite steel tube concrete column includes interior steel pipe, outer steel pipe；Between described interior steel pipe and described outer steel pipe, there is sandwich concrete；Arranging interior pipe connecting plate on described interior steel pipe, this interior pipe connecting plate is provided with multiple bolt hole；Described outer steel pipe includes outside top steel pipe outside steel pipe and bottom；Outside described top, the bottom of steel pipe offers hole, for the assembling of described precast concrete beam；
Described precast concrete beam includes prefabricated reinforced concrete, pre-buried beam-ends steel pipe；The centrally disposed beam-ends connecting plate of described pre-buried beam-ends steel pipe, the periphery of described pre-buried beam-ends steel pipe arranges multiple longitudinal reinforcement；Described beam-ends connecting plate is provided with multiple bolt hole；The periphery of described longitudinal reinforcement arranges stirrup；Described longitudinal reinforcement vertically bends up at beam-ends, is anchored in described sandwich concrete；
Said inner tube connecting plate and described beam-ends connecting plate are locked and connected by multiple bolts.
Further, in described interior steel pipe, there is interior layer concrete.
Further, described interior steel pipe and described outer steel pipe are 45 degree of angles of formation, limit of rectangular steel tube, the limit of described interior steel pipe and described outer steel pipe；Said inner tube connecting plate is arranged at the corner of described interior steel pipe.
Further, described outer steel pipe and described beam-ends steel pipe all adopt carbon steel, rustless steel or refractory steel.
The two of the technical problem to be solved in the present invention are achieved in that
The construction method of the assembling structure of a kind of precast concrete beam and composite steel tube concrete column, comprises the steps:
Step 1: first the pre-processed interior steel pipe of processing factory, outer steel pipe top outside steel pipe outside steel pipe and bottom, interior pipe connecting plate and beam-ends connecting plate arrange bolt hole at design attitude, interior pipe connecting plate is welded on the corner of interior steel pipe by design height, and beam-ends connecting plate and beam-ends steel pipe are embedded in the end of prefabricated reinforced concrete；
Step 2: outside the interior steel pipe of installation and bottom, steel pipe is in design attitude, beam-ends steel pipe is shelved on outside bottom on steel pipe by precast concrete beam of slinging；
Step 3: the bolt hole of beam-ends connecting plate and interior pipe connecting plate is directed at, and is connected with；
Step 4: place steel pipe outside top, then by steel-pipe welding outside steel pipe, bottom outside beam-ends steel pipe, top；
Step 5: fill sandwich concrete between interior steel pipe and outer steel pipe, and be filled up in beam-ends steel pipe.
Further, in described step 5, also include: in filling, layer concrete is in interior steel duct, thus forming solid construction.
It is an advantage of the current invention that: the precast concrete beam of the present invention and the assembling structure of composite steel tube concrete column are truly realized the aseismatic design concept of strong column and weak beam, the weak component of strong node.Bearing capacity is high, rigidity is big, anti-earthquake ductility good, globality is superior, easy construction and construction quality is good, provide operative constraint, beam-ends plastic hinge to concrete.
[accompanying drawing explanation]
The invention will be further described in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is precast concrete beam of the present invention and composite steel tube concrete column assembling structural upright schematic diagram.
Fig. 2 is precast concrete beam of the present invention and composite steel tube concrete column assembling section of structure.
Fig. 3 is composite steel tube concrete column schematic perspective view of the present invention (removing steel pipe outside top).
Fig. 4 be the present invention top outside steel pipe axonometric chart.
Fig. 5 is the precast concrete beam axonometric chart of the present invention.
Fig. 6 is the internal structure axonometric chart of precast concrete beam of the present invention (removing beam-ends steel pipe).
Fig. 7 is precast concrete beam of the present invention and clad steel tubing string connection diagram (removing steel pipe outside top).
Number in the figure:
Steel pipe in 1；2 outer steel pipes；Steel pipe outside 21 tops；Steel pipe outside 22 bottoms；3 beam-ends steel pipes；4 prefabricated reinforced concretes；Pipe connecting plate in 5；6 beam-ends connecting plates；7 longitudinal reinforcements；8 stirrups；9 sandwich concretes；Layer concrete in 10；11 bolts hole；12 bolts；100 composite steel tube concrete columns；300 precast concrete beams.
[detailed description of the invention]
As shown in Figures 1 to 7, the assembling structure of a kind of precast concrete beam and composite steel tube concrete column, described composite steel tube concrete column 100 includes interior steel pipe 1, outer steel pipe 2；Having sandwich concrete 9 between described interior steel pipe 1 and described outer steel pipe 2, interior steel pipe 1 is internal is interior layer concrete 10；Described precast concrete beam 300 includes prefabricated reinforced concrete 4, pre-buried beam-ends steel pipe 3；The centrally disposed beam-ends connecting plate 6 of described pre-buried beam-ends steel pipe 3, the periphery of described pre-buried beam-ends steel pipe 3 arranges multiple longitudinal reinforcement 7；Described beam-ends connecting plate 6 is provided with multiple bolt hole 11；The periphery of described longitudinal reinforcement 7 arranges stirrup 8；Described longitudinal reinforcement 7 vertically bends up at beam-ends, is anchored in described sandwich concrete 10.
Described interior steel pipe 1 and described outer steel pipe 2 are the limit of rectangular steel tube, the limit of described interior steel pipe 1 and described outer steel pipe 2 and form 45 degree of angles；The corner of described interior steel pipe 1 arranges interior pipe connecting plate 5, and this interior pipe connecting plate 5 is provided with multiple bolt hole 11；Described outer steel pipe 2 includes outside top steel pipe 22 outside steel pipe 21 and bottom；Outside described top, the bottom of steel pipe 21 offers hole, for the assembling of described precast concrete beam 300.
During assembling, interior pipe connecting plate 5 and beam-ends connecting plate 6 are locked and connected by multiple bolts 12.
Outer steel pipe 2 and beam-ends steel pipe 3 all adopt carbon steel, rustless steel or refractory steel.
As depicted in figs. 1 and 2, the assembling structure of a kind of precast concrete beam and composite steel tube concrete column, this assembling structure is connected to form by composite steel tube concrete column 100, precast concrete beam 300.Composite steel tube concrete column 100 includes interior steel pipe 1, outer steel pipe 2, sandwich concrete 9 and interior layer concrete 10；Precast concrete beam 300 includes prefabricated reinforced concrete 4, pre-buried beam-ends steel pipe 3 and beam-ends connecting plate 6.
As it is shown on figure 3, steel pipe 1 adopts square-section steel pipe in wherein, interior steel pipe 1 limit forms 45 degree of angles with outer steel pipe 2 limit, also forms 45 degree of angles with precast concrete beam 300 length direction.Interior steel pipe 1 corner arranges interior pipe connecting plate 5 at height of node, and interior pipe connecting plate 5 arranges bolt hole 11.Outer steel pipe 2 adopts square-section steel pipe, outer steel pipe 2 is made up of steel pipe 22 outside steel pipe outside top 21 and bottom, offering bottom steel pipe 21 and the hole of beam-ends steel pipe 3 consistent size outside top, as shown in Figure 4, outside bottom, the top of steel pipe 22 is concordant with beam-ends steel pipe 3 outermost bottom surface.
As shown in Figure 5 and Figure 6, prefabricated reinforced concrete 4 configures longitudinal reinforcement 7 and stirrup 8, and longitudinal reinforcement 7 vertically bends up at beam-ends, is anchored in post sandwich concrete 9.Beam-ends connecting plate 6 arranges bolt hole 11, is embedded in prefabricated reinforced concrete 4, adopts bolt 12 to be connected with interior pipe connecting plate 5.Beam-ends steel pipe 3 is square-section, is embedded in precast concrete beam 300 end, is welded to connect with the outer steel pipe 2 of composite steel tube concrete column 100.
As shown in Figure 7, having connected after-pouring post concrete at all steel pipes and precast concrete beam 300, sandwich concrete 9 is filled between interior steel pipe 1 and outer steel pipe 2, and it is internal that interior layer concrete 10 is filled into interior steel pipe 1, thus forming solid construction, the sandwich concrete 9 built can fill up in beam-ends steel pipe 3.It is internal that interior layer concrete 10 can also be not filled to interior steel pipe 1, thus forming hollow-core construction.
In the present invention, outer steel pipe 2 and beam-ends steel pipe 3 can adopt carbon steel, rustless steel or refractory steel.
In the present invention, sandwich concrete 9 and interior layer concrete 10 can adopt normal concrete, high-strength concrete, high performance concrete, regenerated aggregate concrete or lightweight aggregate concrete.
The construction method of the precast concrete beam of the present invention and composite steel tube concrete column assembling structure, sequentially includes the following steps:
Step 1, first the pre-processed interior steel pipe 1 of processing factory, outer steel pipe 2 top outside steel pipe 22 outside steel pipe 21 and bottom, interior pipe connecting plate 5 and beam-ends connecting plate 6 arrange bolt hole 11 at design attitude, by design height, interior pipe connecting plate 5 is welded on interior steel pipe 1 corner, and beam-ends connecting plate 6 and beam-ends steel pipe 3 are embedded in prefabricated reinforced concrete 4 end.
Outside step 2, the interior steel pipe 1 of installation and bottom, steel pipe 22 is in design attitude, and beam-ends steel pipe 3 is shelved on outside bottom on steel pipe 22 by precast concrete beam 300 of slinging.
Step 3, the bolt hole 11 of beam-ends connecting plate 6 and interior pipe connecting plate 5 is directed at, and connects with bolt 12.
Steel pipe 21 outside step 4, placement top, welds steel pipe 22 outside steel pipe 21, bottom outside beam-ends steel pipe 3, top.
Step 5, filling sandwich concrete 9 between interior steel pipe 1 and outer steel pipe 2, and fill up in beam-ends steel pipe 3, in filling, layer concrete 10 is internal in interior steel pipe 1, thus forming solid construction, it is also possible to be not filled with interior layer concrete 10, thus forming hollow-core construction.
A kind of precast concrete beam of the present invention and composite steel tube concrete column connect, interior steel pipe 1 limit forms 45 degree with outer steel pipe 2 limit, namely in, steel pipe 1 limit forms 45 degree of angles with precast concrete beam 300 length direction, interior pipe connecting plate 5 is positioned at steel pipe 1 corner, it is connected with beam-ends connecting plate 6, node bending rigidity is greatly improved, and is easy to building of sandwich concrete 9；The interior steel pipe 1 of post is through at node place, it is ensured that the bearing capacity of post and globality；Precast concrete beam 300 end is pre-buried beam-ends steel pipe 3, beam end concrete is subject to the operative constraint of beam-ends steel pipe 3 so that beam-ends plastic hinge, improves ductility and the energy dissipation capacity of node；On-the-spot without assembling reinforcement again, assembled adopts bolt 12 in connecting, simultaneously without increasing template, and convenient and quick construction；Interior pipe connecting plate 5, beam-ends connecting plate 6, bolt 12 setting strengthen the bonding of sandwich concrete 9 and interior steel pipe 1, good integrity；Beam longitudinal reinforcement 7 bends up in end, is anchored in sandwich concrete 9, and connection integrity and anti-seismic performance are good.The precast concrete beam composite steel tube concrete column of the present invention connects the aseismatic design concept being truly realized strong column and weak beam, the weak component of strong node.
The foregoing is only the preferably enforcement use-case of the present invention, be not intended to limit protection scope of the present invention.All any amendment of making, equivalent replace and improvement etc. within the spirit and principles in the present invention, should be included within protection scope of the present invention.
Claims (6)
1. the assembling structure of precast concrete beam and composite steel tube concrete column, it is characterised in that:
Described composite steel tube concrete column includes interior steel pipe, outer steel pipe；Between described interior steel pipe and described outer steel pipe, there is sandwich concrete；Arranging interior pipe connecting plate on described interior steel pipe, this interior pipe connecting plate is provided with multiple bolt hole；Described outer steel pipe includes outside top steel pipe outside steel pipe and bottom；Outside described top, the bottom of steel pipe offers hole, for the assembling of described precast concrete beam；
Described precast concrete beam includes prefabricated reinforced concrete, pre-buried beam-ends steel pipe；The centrally disposed beam-ends connecting plate of described pre-buried beam-ends steel pipe, the periphery of described pre-buried beam-ends steel pipe arranges multiple longitudinal reinforcement；Described beam-ends connecting plate is provided with multiple bolt hole；The periphery of described longitudinal reinforcement arranges stirrup；Described longitudinal reinforcement vertically bends up at beam-ends, is anchored in described sandwich concrete；
Said inner tube connecting plate and described beam-ends connecting plate are locked and connected by multiple bolts.
2. the assembling structure of precast concrete beam as claimed in claim 1 and composite steel tube concrete column, it is characterised in that: in described interior steel pipe, there is interior layer concrete.
3. the assembling structure of precast concrete beam as claimed in claim 1 and composite steel tube concrete column, it is characterised in that: described interior steel pipe and described outer steel pipe are the limit of rectangular steel tube, the limit of described interior steel pipe and described outer steel pipe and form 45 degree of angles；Said inner tube connecting plate is arranged at the corner of described interior steel pipe.
4. the assembling structure of precast concrete beam as claimed in claim 1 and composite steel tube concrete column, it is characterised in that: described outer steel pipe and described beam-ends steel pipe all adopt carbon steel, rustless steel or refractory steel.
5. the implementation of the assembling structure of precast concrete beam as claimed in claim 1 and composite steel tube concrete column, it is characterised in that: comprise the steps:
Step 1: first the pre-processed interior steel pipe of processing factory, outer steel pipe top outside steel pipe outside steel pipe and bottom, interior pipe connecting plate and beam-ends connecting plate arrange bolt hole at design attitude, interior pipe connecting plate is welded on the corner of interior steel pipe by design height, and beam-ends connecting plate and beam-ends steel pipe are embedded in the end of prefabricated reinforced concrete；
Step 2: outside the interior steel pipe of installation and bottom, steel pipe is in design attitude, beam-ends steel pipe is shelved on outside bottom on steel pipe by precast concrete beam of slinging；
Step 3: the bolt hole of beam-ends connecting plate and interior pipe connecting plate is directed at, and is connected with；
Step 4: place steel pipe outside top, then by steel-pipe welding outside steel pipe, bottom outside beam-ends steel pipe, top；
Step 5: fill sandwich concrete between interior steel pipe and outer steel pipe, and be filled up in beam-ends steel pipe.
6. the implementation of the assembling structure of a kind of precast concrete beam as claimed in claim 5 and composite steel tube concrete column, it is characterised in that:
In described step 5, also include: in filling, layer concrete is in interior steel duct, thus forming solid construction.
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| CN201610326205.8A CN105804255B (en) | 2016-05-17 | 2016-05-17 | Precast concrete beam and composite steel tube concrete column assembling structure and its construction method |
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| CN201610326205.8A CN105804255B (en) | 2016-05-17 | 2016-05-17 | Precast concrete beam and composite steel tube concrete column assembling structure and its construction method |
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| CN105804255B CN105804255B (en) | 2018-02-23 |
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Cited By (8)
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| CN107060091A (en) * | 2017-03-07 | 2017-08-18 | 北京市第三建筑工程有限公司 | Full prefabricated PC concrete frame and construction method |
| CN107514061A (en) * | 2017-08-23 | 2017-12-26 | 青岛理工大学 | The double sleeve splicing nodes of square-outside and round-inside steel pipe and its construction method |
| CN108487453A (en) * | 2018-03-14 | 2018-09-04 | 安徽工程大学 | A kind of steel core concrete column and reinforced beam connection structure and attaching method thereof |
| CN108824653A (en) * | 2018-08-30 | 2018-11-16 | 福州大学 | Right angle hexagon concrete filled steel tube corner post-steel beam joint structure and its construction method |
| CN109881776A (en) * | 2019-02-26 | 2019-06-14 | 中国人民解放军军事科学院国防工程研究院工程防护研究所 | A kind of assembling prefabricated reinforced concrete tubular column structure and construction method |
| CN110778025A (en) * | 2019-11-11 | 2020-02-11 | 沈阳建筑大学 | Steel pipe-spliced wood-recycled concrete composite column |
| CN113006292A (en) * | 2021-03-26 | 2021-06-22 | 渝建建筑科技集团有限公司 | Node of steel pipe concrete column |
| CN113073736A (en) * | 2021-03-11 | 2021-07-06 | 广州大学 | Assembled beam column connected node |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110778025A (en) * | 2019-11-11 | 2020-02-11 | 沈阳建筑大学 | Steel pipe-spliced wood-recycled concrete composite column |
| CN113073736A (en) * | 2021-03-11 | 2021-07-06 | 广州大学 | Assembled beam column connected node |
| CN113006292A (en) * | 2021-03-26 | 2021-06-22 | 渝建建筑科技集团有限公司 | Node of steel pipe concrete column |
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