CN116220199B - Prestressed hollow beam column connecting structure and construction method thereof - Google Patents
Prestressed hollow beam column connecting structure and construction method thereof Download PDFInfo
- Publication number
- CN116220199B CN116220199B CN202310259689.9A CN202310259689A CN116220199B CN 116220199 B CN116220199 B CN 116220199B CN 202310259689 A CN202310259689 A CN 202310259689A CN 116220199 B CN116220199 B CN 116220199B
- Authority
- CN
- China
- Prior art keywords
- hollow
- column
- columns
- short
- prestressed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000010276 construction Methods 0.000 title abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 35
- 239000010959 steel Substances 0.000 claims abstract description 35
- 230000002787 reinforcement Effects 0.000 claims description 14
- 239000004570 mortar (masonry) Substances 0.000 claims description 13
- 210000002784 stomach Anatomy 0.000 claims description 9
- 239000003822 epoxy resin Substances 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 229920000647 polyepoxide Polymers 0.000 claims description 7
- 239000004743 Polypropylene Substances 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 5
- -1 polypropylene Polymers 0.000 claims description 5
- 229920001155 polypropylene Polymers 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims description 3
- 238000010008 shearing Methods 0.000 abstract description 15
- 238000005452 bending Methods 0.000 abstract description 5
- 239000004567 concrete Substances 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 239000011513 prestressed concrete Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- E04B1/22—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 with parts being prestressed
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/20—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members
- E04C3/26—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members prestressed
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Rod-Shaped Construction Members (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a prestress hollow beam column connecting structure, which comprises a hollow beam and precast columns, wherein the hollow beam is connected between the two precast columns through prestress steel bars traversing the three precast columns, two ends of the hollow beam and the two precast columns are respectively fixed through a plurality of angle steels, the middle part of the hollow beam is provided with a hollow structure, a plurality of short columns are arranged in the hollow structure, are vertically arranged and are arranged at intervals along the length direction of the hollow beam, and each short column is respectively connected with the hollow beam through a prestress rod. And discloses a construction method thereof. The prestress is added into the short column of the hollow web beam, so that the concept of strong shearing and weak bending during the design of the hollow web beam is followed, the short column in the hollow web beam is ensured not to be damaged firstly and not to be sheared, and the shearing bearing capacity of the short column is improved. The short columns are arranged at unequal intervals, and the short column interval distance at the position with larger shearing force is small, so that the shearing capacity of the structure is improved in a targeted manner. The concrete at the joint is not crushed, and the prestress loss is reduced.
Description
Technical Field
The invention relates to a prestressed hollow beam, in particular to a prestressed hollow beam column connecting structure and a construction method thereof.
Background
The reinforced concrete beam column frame structure is widely applied to various building structures, but the building structures are more and more biased to high-rise structures, and the frame structures have the defects of small span, large dead weight and the like due to the limitation of a structural system, so that the development of the frame structures in the high-rise structures is limited. It was found that under normal external loading, the mid-span 2/3 span region beam web center region is a low stress region, i.e., in this region, the material contributes little, but is of significant self-weight to the beam load carrying capacity. Therefore, the concept of a web beam has been developed. However, the hollow beam has the defects of poor shearing resistance, low energy consumption and the like. Along with the rapid development of the prestressed concrete technology, the continuous maturation of the prestressed technology and the continuous reduction of the prestressed materials and construction cost, the structure for improving the bearing capacity of the member by considering the application of the prestressed effect is more and more, so how to organically combine the prestressed technology with the hollow beam is a very worthy of research.
Disclosure of Invention
The invention aims to: aiming at the problems, the invention aims to provide a prestress hollow beam column connecting structure which improves the shearing resistance and the structural overall performance of a hollow beam. And provides a construction method thereof.
The technical scheme is as follows: the utility model provides a prestressing force beam column connection structure on an empty stomach, includes empty stomach roof beam, precast column, and the empty stomach roof beam is through crossing the prestressing force reinforcing bar interconnect of three between two precast columns, and the both ends of empty stomach roof beam are fixed through a plurality of angle steel respectively with two precast columns, and the empty stomach roof beam middle part is equipped with hollow structure, is equipped with a plurality of short columns in the hollow structure, and the vertical arranging of short columns is followed the length direction interval arrangement of empty stomach roof beam, and every short column is connected with the empty stomach roof beam through a prestressing force pole respectively.
Further, the hollow beam comprises an upper chord beam and a lower chord beam, the upper chord beam is arranged above the lower chord beam at parallel intervals, a plurality of short columns are arranged between the upper chord beam and the lower chord beam, two ends of the upper chord beam and the lower chord beam are respectively fixed with two prefabricated columns through a plurality of angle steels, and prestressed steel bars are respectively arranged in the upper chord beam and the lower chord beam in a penetrating mode.
Further, the two ends of the short column are respectively embedded into the lower surface of the upper chord beam and the upper surface of the lower chord beam, the prestress rod is sequentially and vertically penetrated into the upper chord beam, the short column and the lower chord beam, and the two ends of the prestress rod are respectively fixed with the upper surface of the upper chord beam and the lower surface of the lower chord beam through a fastening bolt.
Optimally, the lower surface of the upper chord beam and the upper surface of the lower chord beam are respectively provided with a plurality of mounting holes for arranging short column end parts at intervals, and the mounting holes on the upper chord beam and the lower chord beam are in one-to-one correspondence.
Optimally, an epoxy resin gasket is respectively arranged between the connecting surface of each fastening bolt and the upper chord beam or the lower chord beam, and the thickness of the epoxy resin gasket is 7-10 mm.
Further, gaps are respectively arranged between the two ends of the hollow web beam and the corresponding prefabricated columns, the width of each gap is 15-20 mm, and the gaps are filled with polypropylene fiber mortar.
Further, the hollow beam and the prefabricated column are respectively fixed with the angle steel through connecting bolts, and steel gaskets are respectively arranged between the angle steel and the connecting surfaces of the hollow beam and between the angle steel and the prefabricated column, and the thickness of each steel gasket is 5-10 mm.
Further, the width of the short column is equal to that of the hollow beam, the short columns are divided into two arrangement modes in the hollow beam stirrup encryption area and the non-encryption area to form integral non-equidistant arrangement, and a plurality of short columns are arranged at equal intervals in the hollow beam stirrup encryption area, and the interval A is 350-400 mm; in the non-encryption area, a plurality of short columns are arranged at equal intervals, and the interval B is 600-700 mm.
Optimally, the middle part of the short column is provided with a through hole along the middle axis, the prestress rod is arranged in the through hole in a penetrating way, and the prestress rod is in clearance fit with the through hole.
The construction method of the prestress hollow beam column connecting structure comprises the following steps:
Step one: firstly paying off and positioning, and installing a prefabricated column at a corresponding position of a foundation through a grouting sleeve or a vertical prestressed reinforcement;
step two: installing a plurality of angle steels on the prefabricated column in place;
Step three: placing an air bellow beam, supporting the air bellow beam by angle steel, and sequentially penetrating prestressed steel bars through the air bellow beam and reserved pore passages on the prefabricated columns;
step four: mortar pouring is carried out on the joints between the two ends of the hollow web beam and the prefabricated column, and when the mortar reaches the required strength, the hollow web beam and the prefabricated column are assembled by stretching the prestressed reinforcement so as to ensure good beam-column contact and no gap;
Step five: the short columns are arranged at the corresponding positions on the web beam one by one through the prestress rods.
The beneficial effects are that: compared with the prior art, the invention has the advantages that:
(1) The prestress is added into the short column of the hollow web beam, so that the concept of strong shearing and weak bending during the design of the hollow web beam is followed, the short column in the hollow web beam is ensured not to be damaged firstly and not to be sheared, and the shearing bearing capacity of the short column is improved.
(2) The short columns are arranged at unequal intervals, and the short column interval distance at the position with larger shearing force is small, so that the shearing capacity of the structure is improved in a targeted manner.
(3) The end part of the hollow beam is connected with the prefabricated column by adopting prestressed reinforcement, and polypropylene fiber mortar is poured into the connection part. The mortar has higher strength than common mortar, so that the concrete at the joint is not crushed, and the prestress loss is reduced.
(4) The angle steel is arranged at the joint of the upper chord beam, the lower chord beam and the prefabricated column, and is plastically deformed under the action of an earthquake, so that the energy consumption capability of the structure under the earthquake is enhanced, and in addition, the bearing capacity of the node is also improved.
(5) The prestressed reinforcement in the upper chord beam and the lower chord beam of the hollow beam also enhances the bending-resistant bearing capacity of the hollow beam, and reduces the consumption of the reinforcement
(6) The connecting mode of the invention is bolt connection, is simple, time-saving and labor-saving, has low technical requirements, avoids welding operation and has high construction quality.
Drawings
FIG. 1 is a schematic diagram of a front view of the present invention;
FIG. 2 is a schematic top view of the present invention;
fig. 3 is a schematic side view of the present invention.
Detailed Description
The invention will be further elucidated with reference to the drawings and to specific embodiments, it being understood that these embodiments are only intended to illustrate the invention and are not intended to limit the scope thereof.
The utility model provides a prestressing force beam column connection structure, as shown in fig. 1 ~3, including the blank roof beam 1, precast column 2, the blank roof beam 1 is through crossing the prestressing force reinforcing bar 3 interconnect of three between two precast columns 2, the blank roof beam 1 includes string roof beam 101, string roof beam 102 down, string roof beam 101 parallel interval sets up in string roof beam 102 down's top, make blank roof beam 1 middle part form hollow structure, the both ends of string roof beam 101 and string roof beam 102 down are fixed with two precast columns 2 through a plurality of angle steel 4 respectively, blank roof beam 1, precast column 2 are fixed with angle steel 4 through connecting bolt respectively, be equipped with steel gasket 9 between angle steel 4 and the junction surface of blank roof beam 1, angle steel 4 and precast column 2 respectively, steel gasket 9's thickness is 5~ 10mm. The prestressed reinforcement 3 is respectively penetrated in the upper chord beam 101 and the lower chord beam 102.
A plurality of short columns 5 are arranged between the upper chord beam 101 and the lower chord beam 102 along the length direction at intervals, the short columns 5 are vertically arranged, a plurality of mounting holes for arranging the end parts of the short columns 5 are respectively arranged on the lower surface of the upper chord beam 101 and the upper surface of the lower chord beam 102 at intervals, the mounting holes on the upper chord beam 101 and the lower chord beam 102 are in one-to-one correspondence, and two ends of the short columns 5 are respectively embedded in the corresponding mounting hole positions of the upper chord beam 101 and the lower chord beam 102.
Each short column 5 is connected with the web beam 1 through a prestress rod 6, a through hole is formed in the middle of the short column 5 along the middle axis of the short column, the prestress rod 6 penetrates through the through hole, and the prestress rod 6 is in clearance fit with the through hole. The prestress rod 6 is vertically penetrated in the upper chord beam 101, the short column 5 and the lower chord beam 102 in sequence, and two ends of the prestress rod 6 are respectively fixed with the upper surface of the upper chord beam 101 and the lower surface of the lower chord beam 102 through a fastening bolt 7. An epoxy resin gasket 8 is respectively arranged between the connecting surface of each fastening bolt 7 and the upper chord beam 101 or the lower chord beam 102, and the thickness of the epoxy resin gasket 8 is 7-10 mm.
The width of the short columns 5 is equal to that of the hollow web beam 1, the short columns 5 are arranged in two modes of arrangement in a stirrup encryption area and a non-encryption area of the hollow web beam 1 to form integral unequal-distance arrangement, and a plurality of short columns 5 are arranged at equal intervals in the stirrup encryption area of the hollow web beam 1, and the interval A is 350-400 mm; in the non-encryption area, a plurality of short columns 5 are arranged at equal intervals, and the interval B is 600-700 mm. The short columns 5 are arranged at unequal intervals, the spacing distance of the short columns 5 at the position with larger shearing force is small, and the spacing between the short columns 5 at the rest is enlarged, so that the shearing capacity of the structure is improved in a targeted manner, the excessive arrangement of the short columns 5 is avoided, the structure is reasonable, and the cost is saved.
Gaps are respectively arranged between the two ends of the hollow beam 1 and the corresponding prefabricated columns 2, the width of each gap is 15-20 mm, and the gaps are filled with polypropylene fiber mortar.
The invention follows the principle of strong shear weak bending when the hollow web beam is designed, and in order to ensure that the short column in the hollow web beam is not damaged first and is not sheared, the invention adds prestress in the short column of the hollow web beam, namely, a prestress rod is arranged to improve the shearing bearing capacity of the short column; the short columns are arranged at unequal intervals, and the short column interval distance at the position with larger shearing force is small, so that the shearing capacity of the structure is improved in a targeted manner. The end part of the hollow beam is connected with the precast column by adopting prestressed reinforcement, and mortar is poured into the joint to ensure that concrete at the joint is not crushed, thereby reducing prestress loss; the angle steel is arranged at the joint, so that the energy consumption capability of the structure under an earthquake is enhanced; the prestressed reinforcement in the upper chord beam and the lower chord beam of the hollow beam also enhances the bending-resistant bearing capacity of the hollow beam and reduces the consumption of the reinforcement. Most of the connection modes of the invention are bolt connection, so that the time and the labor are saved, and the construction quality is high.
The construction method of the prestress hollow beam column connecting structure comprises the following steps:
Step one: firstly paying off and positioning, and connecting a prefabricated column through a grouting sleeve or installing a vertical prestressed reinforcement on a foundation;
step two: fixing the angle steel on the prefabricated column by using a fastening bolt, and placing a steel gasket at the contact surface so as to support the upper chord beam and the lower chord beam;
Step three: and placing an upper chord beam and a lower chord beam, and penetrating the prestressed reinforcement through the reserved pore canal.
Step four: filling polypropylene fiber mortar at joints of the upper chord beam, the lower chord beam and the prefabricated column, and tensioning the prestressed reinforcement to assemble the hollow beam column to ensure good beam column contact and no gap when the mortar reaches a certain strength;
Step five: the vertical through holes in the short column, the upper chord beam and the lower chord beam are in one-to-one correspondence, the epoxy resin gaskets are placed at the contact surface, the prestress rods penetrate through the through holes, and the prestress is tensioned and anchored by high-strength screws.
Claims (8)
1. The utility model provides a prestressing force beam column connection structure that empty stomach, includes empty stomach roof beam (1), precast column (2), its characterized in that: the hollow beam (1) is connected between two prefabricated columns (2) through prestressed reinforcement (3) crossing the two prefabricated columns, two ends of the hollow beam (1) and the two prefabricated columns (2) are respectively fixed through a plurality of angle steels (4), a hollow structure is arranged in the middle of the hollow beam (1), a plurality of short columns (5) are arranged in the hollow structure, the short columns (5) are vertically arranged and are arranged at intervals along the length direction of the hollow beam (1), and each short column (5) is connected with the hollow beam (1) through a prestressed rod (6) respectively;
The air bellyband (1) comprises an upper chord beam (101) and a lower chord beam (102), wherein the upper chord beam (101) is arranged above the lower chord beam (102) at parallel intervals, a plurality of short columns (5) are arranged between the upper chord beam (101) and the lower chord beam (102), two ends of the upper chord beam (101) and the lower chord beam (102) are respectively fixed with two prefabricated columns (2) through a plurality of angle steels (4), and prestressed steel bars (3) are respectively penetrated into the upper chord beam (101) and the lower chord beam (102);
The two ends of the short column (5) are respectively embedded into the lower surface of the upper chord beam (101) and the upper surface of the lower chord beam (102), the prestress rod (6) is sequentially and vertically arranged in the upper chord beam (101), the short column (5) and the lower chord beam (102) in a penetrating mode, and the two ends of the prestress rod (6) are respectively fixed with the upper surface of the upper chord beam (101) and the lower surface of the lower chord beam (102) through a fastening bolt (7).
2. The prestressed hollow beam-column connecting structure of claim 1, wherein: the lower surface of the upper chord beam (101) and the upper surface of the lower chord beam (102) are respectively provided with a plurality of mounting holes for arranging the end parts of the short columns (5) at intervals, and the mounting holes on the upper chord beam and the lower chord beam are in one-to-one correspondence.
3. The prestressed hollow beam-column connecting structure of claim 2, wherein: an epoxy resin gasket (8) is respectively arranged between the connecting surface of each fastening bolt (7) and the upper chord beam (101) or the lower chord beam (102), and the thickness of the epoxy resin gasket (8) is 7-10 mm.
4. The prestressed hollow beam-column connecting structure of claim 1, wherein: gaps are respectively arranged between the two ends of the hollow beam (1) and the corresponding prefabricated columns (2), the width of each gap is 15-20 mm, and the gaps are filled with polypropylene fiber mortar.
5. The prestressed hollow beam-column connecting structure of claim 1, wherein: the hollow beam (1) and the prefabricated column (2) are respectively fixed with the angle steel (4) through connecting bolts, steel gaskets (9) are respectively arranged between the angle steel (4) and the connecting surfaces of the hollow beam (1) and between the angle steel (4) and the prefabricated column (2), and the thickness of the steel gaskets (9) is 5-10 mm.
6. The prestressed hollow beam-column connecting structure of claim 1, wherein: the width of the short columns (5) is equal to that of the hollow beam (1), the short columns (5) are arranged in two modes of arrangement in a stirrup encrypting area and a non-encrypting area of the hollow beam (1) to form integral unequal-distance arrangement, and a plurality of short columns (5) are arranged at equal intervals in the stirrup encrypting area of the hollow beam (1), and the interval A is 350-400 mm; in the non-encryption area, a plurality of short columns (5) are arranged at equal intervals, and the interval B is 600-700 mm.
7. The prestressed hollow beam-column connecting structure of claim 1, wherein: the middle part of the short column (5) is provided with a through hole along the middle axis, the prestress rod (6) is arranged in the through hole in a penetrating way, and the prestress rod (6) is in clearance fit with the through hole.
8. A method of constructing the prestressed open-web beam-column connection structure of any one of claims 1 to 7, comprising the steps of:
Step one: firstly paying off and positioning, and installing a prefabricated column (2) at a corresponding position of a foundation through a grouting sleeve or a vertical prestressed reinforcement;
Step two: installing a plurality of angle steels (4) on the prefabricated column (2) in place;
Step three: placing a hollow beam (1), supporting the hollow beam (1) through angle steel (4), and sequentially penetrating prestressed steel bars (3) through reserved pore passages on the hollow beam (1) and the prefabricated column (2);
Step four: mortar pouring is carried out on the joints between the two ends of the hollow web beam (1) and the prefabricated columns (2), and when the mortar reaches the required strength, the hollow web beam (1) and the prefabricated columns (2) are assembled by stretching the prestressed steel bars (3) so as to ensure good beam-column contact and no gap;
Step five: the short columns (5) are arranged at the corresponding positions on the web beam (1) one by one through the prestress rods (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310259689.9A CN116220199B (en) | 2023-03-17 | 2023-03-17 | Prestressed hollow beam column connecting structure and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310259689.9A CN116220199B (en) | 2023-03-17 | 2023-03-17 | Prestressed hollow beam column connecting structure and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116220199A CN116220199A (en) | 2023-06-06 |
| CN116220199B true CN116220199B (en) | 2024-10-18 |
Family
ID=86578643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310259689.9A Active CN116220199B (en) | 2023-03-17 | 2023-03-17 | Prestressed hollow beam column connecting structure and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116220199B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101858123A (en) * | 2010-05-31 | 2010-10-13 | 白福波 | Prestressed concrete rigid frame cable beam |
| CN106968332A (en) * | 2017-03-09 | 2017-07-21 | 武汉大学 | A kind of prestressing force assembled high-performance concrete-filled circular steel tube column concrete girder connection and its construction method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201809991U (en) * | 2010-09-21 | 2011-04-27 | 河南省电力勘测设计院 | Concrete coupled beam reinforcing device |
| CN103075024B (en) * | 2012-11-09 | 2015-04-15 | 河南省建设集团有限公司 | Space truss underpinning structure with combination of steel and prestressed concrete and construction method thereof |
| CN107165272B (en) * | 2017-06-22 | 2024-01-30 | 中国建筑股份有限公司 | Prestressed assembled concrete frame node connecting structure and construction method thereof |
| CN107460954A (en) * | 2017-09-21 | 2017-12-12 | 中国建筑股份有限公司 | A kind of post-tensioned prestressing assembling concrete frame energy dissipation component system and construction method |
| CN108532749A (en) * | 2018-04-04 | 2018-09-14 | 湖南大学 | High ductility prestressing force assembly concrete beam-column connection and its construction method |
| CN215829808U (en) * | 2021-06-11 | 2022-02-15 | 中国建筑第八工程局有限公司 | Cast-in-situ large-span prestressed concrete hollow truss girder |
-
2023
- 2023-03-17 CN CN202310259689.9A patent/CN116220199B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101858123A (en) * | 2010-05-31 | 2010-10-13 | 白福波 | Prestressed concrete rigid frame cable beam |
| CN106968332A (en) * | 2017-03-09 | 2017-07-21 | 武汉大学 | A kind of prestressing force assembled high-performance concrete-filled circular steel tube column concrete girder connection and its construction method |
Non-Patent Citations (1)
| Title |
|---|
| 配置竖向预应力筋混凝土箱梁抗剪性能试验;郑辉;方志;曹敏辉;;湖南大学学报(自然科学版);20130125(01);第8页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116220199A (en) | 2023-06-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2004520511A (en) | Prestressed synthetic truss girder and method of manufacturing the same | |
| KR100713692B1 (en) | A prestresed connection set bridge post using unit filled concrete with internally confined hollow and a method for construction | |
| CN111733692A (en) | Segment pre-pressing assembly type concrete pier structure and construction method thereof | |
| CN217204610U (en) | Low multilayer does not need to support assembled ultra high performance concrete frame structure and building | |
| CN113529946B (en) | Beam column energy consumption connecting piece based on U-shaped plate and construction method thereof | |
| CN212404807U (en) | Segment pre-pressing assembly type concrete pier structure | |
| CN107447873B (en) | Device for connecting prefabricated laminated connecting beam and prefabricated shear wall and installation method | |
| CN116220199B (en) | Prestressed hollow beam column connecting structure and construction method thereof | |
| CN114658002B (en) | External prestress steel support supporting system and construction method thereof | |
| CN217292809U (en) | Tension counterforce device for manufacturing prestressed beam by pre-tensioning method | |
| CN110924522A (en) | Steel plate interface connecting structure and connecting method for reinforced concrete beam and column | |
| CN102041785B (en) | Pier steel-concrete composite structure column beam | |
| CN109881777B (en) | Assembled high-toughness cement-based composite material beam column joint | |
| CN210002552U (en) | Beam column joint with additional rib | |
| CN115045183B (en) | Assembled bridge lower structure with pipe pin hinged connection and construction method thereof | |
| CN221609124U (en) | Connecting structure of prefabricated arc-shaped beam and cast-in-situ stiff section | |
| CN220451086U (en) | Post-tensioned unbonded co-tensioned precast prestressed concrete open-pore beam frame structure system connected by UHPC (ultra high pressure polyethylene) | |
| CN217027122U (en) | Foundation ditch prestressing force string combination truss bearing structure | |
| CN220550677U (en) | Profile steel concrete composite structure | |
| CN215367755U (en) | Dry-type assembled concrete frame side node | |
| CN220451080U (en) | Post-tensioned unbonded prestressed concrete open-pore beam frame structure system connected by UHPC (ultra high pressure polyethylene) | |
| CN220451075U (en) | Post-tensioned unbonded prestressed concrete frame structure system connected by UHPC (ultra high pressure polyethylene) | |
| CN114809072B (en) | Underground space prestress steel reinforced concrete top cover under oversized span heavy load | |
| CN220451088U (en) | Post-tensioned bonded precast prestressed concrete open-pore beam frame structure system connected by UHPC (ultra high pressure concrete) | |
| CN219886548U (en) | Plate girder with structure for improving shearing bearing capacity |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |