CN111794438B - Weight-reducing reinforced composite beam - Google Patents
Weight-reducing reinforced composite beam Download PDFInfo
- Publication number
- CN111794438B CN111794438B CN202010660475.9A CN202010660475A CN111794438B CN 111794438 B CN111794438 B CN 111794438B CN 202010660475 A CN202010660475 A CN 202010660475A CN 111794438 B CN111794438 B CN 111794438B
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- bonding
- cage
- prefabricated
- rod
- rods
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- 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
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
- E04C5/0636—Three-dimensional reinforcing mats composed of reinforcing elements laying in two or more parallel planes and connected by separate reinforcing parts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
- E04C5/0636—Three-dimensional reinforcing mats composed of reinforcing elements laying in two or more parallel planes and connected by separate reinforcing parts
- E04C5/064—Three-dimensional reinforcing mats composed of reinforcing elements laying in two or more parallel planes and connected by separate reinforcing parts the reinforcing elements in each plane being formed by, or forming a, mat of longitunal and transverse bars
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
The application discloses a weight-reducing reinforced composite beam, which is applied to the field of constructional engineering and solves the technical problem that after concrete is repeatedly affected by thermal expansion and cold contraction, a gap is easily generated between the concrete and a reinforcement cage, so that the bonding force between a concrete block and the reinforcement cage is reduced, and the strength of the composite beam is affected; the method has the technical effect of improving the bonding force between the concrete block and the reinforcement cage, thereby improving the overall strength of the composite beam.
Description
Technical Field
The application relates to the technical field of constructional engineering, in particular to a weight-reduction reinforced composite beam.
Background
The superposed beam is a common prefabricated component in an assembly type building, the superposed beam is a beam cast with concrete twice, the prefabricated beam is manufactured in a prefabricated field for the first time, and is manufactured in a construction field for the second time, and after the prefabricated beam is hoisted and placed, the concrete on the upper part is cast to form a cast-in-place beam, so that the prefabricated beam and the cast-in-place beam are connected into a whole.
The prior Chinese patent with publication number CN205894485U discloses an assembled prefabricated composite beam with steel structure connecting nodes, which adopts a reinforced concrete structure and comprises a steel bar part and a concrete part, wherein the steel bar part comprises a composite beam steel reinforcement cage and two steel structure connecting nodes, and the two steel structure connecting nodes are respectively connected with two ends of the composite beam steel reinforcement cage; the two steel structure connecting nodes are exposed out of the concrete part, and the cross section size of the steel structure connecting nodes is smaller than or equal to that of the superposed beam.
The above prior art solutions have the following drawbacks: in the great area of the difference in temperature round the clock, the concrete of coincide roof beam can be by the influence of expend with heat and contract with cold, and the expend with heat and contract with cold rate of reinforcing bar is very little can be neglected almost, produces the gap with the steel reinforcement cage after muddy earth receives expend with heat and contract with cold repeatedly to influence easily, makes the cohesive force variation of concrete and steel reinforcement cage to make the intensity of coincide roof beam receive the influence.
Content of application
The utility model aims at providing a subtract heavy strenghthened type composite beam, its advantage is that the adhesion force of concrete piece and steel reinforcement cage is improved to improve the holistic intensity of composite beam.
The technical purpose of the application is realized by the following technical scheme: the utility model provides a subtract heavy strenghthened type composite beam, includes the steel reinforcement cage, the steel reinforcement cage includes prefabricated cage and cast-in-place cage, its characterized in that, prefabricated cage internal fixation has a plurality of cross sections to the bonding pole of C shape, the bonding pole sets up along prefabricated cage length extending direction, the bonding pole sets up to three, it is three vertical fixation has a plurality of triangle mounts between the bonding pole, each angle and the bonding pole of triangle mount are fixed, the triangle mount sets up to regular triangle, be provided with Y type support frame in the triangle mount, Y type support frame is connected with each side of triangle mount is perpendicular, each vertical fixation has a plurality of connecting rods on the bonding pole respectively, each the connecting rod is facing to the center of triangle mount, connecting rod and prefabricated cage fixed connection.
Through the technical scheme, the cross section of the bonding rod is arranged to be C-shaped, so that the bonding rod can generate certain elastic deformation, when the concrete block expands with heat and contracts with cold due to the influence of temperature, the bonding rod can generate inward-shrinkage elastic deformation or outward-recovery elastic deformation along with the deformation of the concrete, so that the outer wall of the bonding rod is kept attached to the concrete block, the bonding force between the whole prefabricated cage and the concrete block is ensured, and the strength of the whole laminated beam is improved; the bonding rods are arranged in parallel, the number of the bonding rods is three, the placing positions of the bonding rods are triangular, the bonding rods are fixed through a plurality of triangular fixing frames, the triangular fixing frames are good in stability and not prone to deformation, and the bonding rods are stable; regular triangle's stability is stronger, makes the atress of triangle mount more even, and Y type support frame plays the effect of supporting to each side of triangle mount, prevents that each side of triangle mount from taking place to warp when the atress to make the position of each bonding pole in precast beam more stable. The bonding rods are fixed with the prefabricated cage through the connecting rods, and the connecting rods face to the center of the triangular fixing frame, so that the angles between the connecting rods on the bonding rods are the same. When the connecting rod is stressed, the force applied to the triangular fixing frame is more uniform, and the stability of the triangular fixing frame is ensured.
The application is further configured to: the outer side cover of bonding pole is equipped with the plastic envelope membrane, the outer wall laminating of plastic envelope membrane and bonding pole.
Through above-mentioned technical scheme, when pouring the concrete to prefabricated cage, the plastic envelope membrane can block that the concrete enters into the bonding pole through the open end of bonding pole. The deformation of the inner concrete block and the deformation of the outer concrete block of the bonding rod are prevented from being different, the deformation of the whole bonding rod is prevented from being influenced, and the bonding force between the whole precast beam and the concrete blocks is reduced.
The application is further configured to: and reinforcing steel bars at two ends of the prefabricated cage penetrate through the prefabricated beam, and two ends of the bonding rod penetrate through the prefabricated beam.
Through above-mentioned technical scheme, through the reinforcing bar at prefabricated cage both ends and the both ends of bonding pole, be convenient for install and fix the superposed beams, make superposed beams and other building body coupling more stable.
The application is further configured to: and connecting plates are respectively fixed at two ends of the bonding rod.
Through above-mentioned technical scheme, be convenient for connect the bonding pole of each coincide roof beam through the connecting plate, prevent to make the bonding pole take place to deform in the process of connecting the bonding pole.
The application is further configured to: the connecting plate is horizontally arranged, and a connecting hole is formed in the connecting plate.
Through above-mentioned technical scheme, can use bolt and nut to connect the bonding pole of each superposed beam through the connecting hole on the connecting plate, make installation and dismantlement more simple and convenient.
The application is further configured to: and a plurality of fixing hoops are arranged on the outer sides of the prefabricated cage and the cast-in-place cage.
Through the technical scheme, the prefabricated cage and the cast-in-place cage are fixed through the fixing hoop, so that the laminated beam is integrally firmer, and the integral strength of the laminated beam is improved.
The application is further configured to: the open end angle of the bonding rod is less than 90 degrees.
Through above-mentioned technical scheme, when making the bonding rod can take place deformation, guarantee the intensity of bonding rod.
To sum up, the beneficial technical effect of this application does:
1. the bonding rod can generate inward-shrinkage elastic deformation or outward-recovery elastic deformation along with the deformation of the concrete, so that the outer wall of the bonding rod is kept attached to the concrete block;
2. each bonding rod is fixed by a plurality of triangular fixing frames, the triangular fixing frames are good in stability and not easy to deform, and the bonding rods are stable;
and 3, the Y-shaped support frame plays a role in supporting each side of the triangular fixing frame, and each side of the triangular fixing frame is prevented from deforming when stressed, so that the positions of the bonding rods in the precast beam are more stable.
Drawings
Fig. 1 is an overall configuration diagram of the present embodiment;
fig. 2 is a schematic structural view of the reinforcement cage of the present embodiment;
FIG. 3 is a side view of the reinforcement cage of the present embodiment;
fig. 4 is a schematic structural view of the adhesive bar of the present embodiment.
Description of the drawings, 1, a reinforcement cage; 2. prefabricating a cage; 3. casting a cage in situ; 4. a bonding rod; 5. a triangular fixing frame; 6. a Y-shaped support frame; 7. a support bar; 9. a connecting rod; 10. a connecting plate; 11. a fixing hoop; 12. prefabricating a beam; 13. and (5) casting the beam in situ.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
Example (b):
referring to fig. 1 and 2, the weight-reduction reinforced composite beam disclosed by the application comprises a precast beam 12 and a cast-in-place beam 13. Be provided with steel reinforcement cage 1 in the composite beam, steel reinforcement cage 1 includes prefabricated cage 2 and cast-in-place cage 3, and prefabricated cage 2 is located prefabricated roof beam 12 department, and cast-in-place cage 3 is located cast-in-place roof beam 13 department. The outer sides of the prefabricated cage 2 and the cast-in-place cage 3 are provided with a plurality of fixing hoops 11, so that the prefabricated cage 2 and the cast-in-place cage 3 are firmly fixed together.
Referring to fig. 3 and 4, three bonding rods 4 with C-shaped cross sections are arranged in the prefabricated cage 2, the open end angles of the bonding rods 4 are smaller than 90 degrees, the strength of the bonding rods 4 is ensured, and the three bonding rods 4 are arranged in parallel along the length extension direction of the prefabricated cage 2. A plurality of triangular fixing frames 5 are fixed among the three bonding rods 4, each side of each triangular fixing frame 5 is perpendicular to the bonding rods 4, each corner of each triangular fixing frame 5 is fixed with the outer wall of each bonding rod 4, and the mutual positions of the three bonding rods 4 are fixed through the triangular fixing frames 5. The triangle fixing frame 5 is set to be in a regular triangle shape, and the stability of the regular triangle is good, so that the triangle fixing frame 5 is not easy to deform, the positions of the bonding rods 4 are not easy to change, and the stability between the bonding rods 4 is ensured.
Referring to fig. 3, each bonding rod 4 is connected with a plurality of connecting rods 9, one end of each connecting rod 9 is vertically fixed to the bonding rod 4, and the other end of each connecting rod 9 is fixedly connected to the prefabricated cage 2, so that the bonding rods 4 are fixed in the prefabricated cage 2. Each connecting rod 9 is opposite to the center of the triangular fixing frame 5, so that the angles between the connecting rods 9 on each bonding rod 4 are the same, the connecting rods 9 are stressed, the force applied to the triangular fixing frame 5 is more uniform, and the stability of the triangular fixing frame 5 is ensured, so that the position of each bonding rod 4 in the prefabricated cage 2 cannot deviate.
Referring to fig. 3, a Y-shaped support frame 6 is arranged in the triangular fixing frame 5, the Y-shaped support frame 6 includes three support rods 7, one ends of the three support rods 7 are connected, and the other ends of the support rods 7 are respectively and vertically connected with each side of the triangular fixing frame 5. The Y-shaped support frame 6 plays a role in supporting each side of the triangular fixing frame 5 and prevents each side of the triangular fixing frame 5 from deforming when stressed.
Referring to fig. 1 and 3, after the prefabricated cage 2 and the cast-in-place cage 3 are woven and fixed, concrete is poured into the prefabricated cage 2 to form a prefabricated beam 12. The outer side of the bonding rod 4 is sleeved with a plastic packaging film, so that the plastic packaging film is attached to the outer wall of the bonding rod 4. When the prefabricated cage 2 is poured with concrete, the plastic package film can prevent the concrete from entering the bonding rod 4 through the opening end of the bonding rod 4. In the concrete solidification process, the concrete block can generate certain pressure for the bonding rod 4, the cross section of the bonding rod 4 is C-shaped, the bonding rod 4 can generate inward shrinkage deformation when being pressurized, the outer wall of the bonding rod 4 is kept attached to the concrete block in the deformation process, and the bonding force of the whole prefabricated cage 2 and the concrete block is guaranteed.
Referring to fig. 1 and 2, the reinforcing bars at the two ends of the prefabricated cage 2 pass through the prefabricated beam 12, so that the superposed beam is conveniently installed and fixed, and the superposed beam is more stably connected with other buildings.
Referring to fig. 1 and 4, both ends of the bonding rod 4 also penetrate the precast girders 12, and the connecting plates 10 are fixed to both ends of the bonding rod 4, respectively. When a plurality of superposed beams are required to be fixedly connected, after the reinforcing steel bars at the two ends of the prefabricated beams 12 are fixed, the connecting plates 10 at the two ends of the bonding rods 4 are fixed, the connecting plates 10 are provided with connecting holes, the connecting plates 10 of the superposed beams can be fixedly connected through bolts and nuts, and the connection stability of the superposed beams is improved.
The implementation principle of the embodiment is as follows: three bonding rods 4 with C-shaped cross sections are arranged in the prefabricated cage 2, the positions of the three bonding rods 4 are fixed through a triangular fixing frame 5, and each bonding rod 4 is fixed in the prefabricated cage 2 through a connecting rod 9. After the prefabricated cage 2 and the cast-in-place cage 3 are woven and fixed, concrete is poured into the prefabricated cage 2 to form the prefabricated beam 12. When the prefabricated cage 2 is poured with concrete, the plastic package film 8 can prevent the concrete from entering the bonding rod 4 through the opening end of the bonding rod 4. The in-process that the concrete solidifies can produce certain pressure for bonding pole 4, and bonding pole 4 can produce the elastic deformation of internal contraction when receiving pressure, and the outer wall of in-process bonding pole 4 and the concrete piece of deformation keep laminating until the concrete piece solidifies completely. When the concrete piece takes place expend with heat and contract with cold by the temperature influence, bonding rod 4 can be along with the deformation of concrete, and produce the elastic deformation of inside shrink or the elastic deformation of outside reconversion, makes the outer wall of bonding rod 4 keep laminating with the concrete piece to guarantee the whole adhesive force with the concrete piece of prefabricated cage 2, thereby improve the holistic intensity of superposed beam.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (7)
1. A weight-reducing reinforced composite beam comprises a reinforcement cage (1), wherein the reinforcement cage (1) comprises a prefabricated cage (2) and a cast-in-place cage (3), and is characterized in that a plurality of bonding rods (4) with C-shaped cross sections are fixed in the prefabricated cage (2), the bonding rods (4) are arranged along the length extension direction of the prefabricated cage (2), the number of the bonding rods (4) is three, a plurality of triangular fixing frames (5) are vertically fixed among the three bonding rods (4), each corner of each triangular fixing frame (5) is fixed with the bonding rods (4), each triangular fixing frame (5) is arranged to be a regular triangle, a Y-shaped support frame (6) is arranged in each triangular fixing frame (5), each Y-shaped support frame (6) is vertically connected with each side of each triangular fixing frame (5), and a plurality of connecting rods (9) are respectively and vertically fixed on each bonding rod (4), each connecting rod (9) faces to the center of the triangular fixing frame (5), and the connecting rods (9) are fixedly connected with the prefabricated cage (2).
2. The weight-reducing reinforced composite beam as claimed in claim 1, wherein the outer side of the bonding rod (4) is sleeved with a plastic packaging film, and the plastic packaging film is attached to the outer wall of the bonding rod (4).
3. A weight-reducing reinforced composite beam according to claim 1, characterized in that the reinforcing steel bars at both ends of the prefabricated cage (2) pass through the prefabricated beam (12), and both ends of the adhesive rod (4) also pass through the prefabricated beam (12).
4. A weight-reducing reinforced composite beam according to claim 3, characterized in that the two ends of the adhesive rod (4) are respectively fixed with a connecting plate (10).
5. A weight-reducing reinforced composite beam according to claim 4, characterized in that the connecting plate (10) is horizontally arranged, and the connecting plate (10) is provided with connecting holes.
6. A weight-reducing reinforced composite beam as claimed in claim 1, wherein the prefabricated cage (2) and the cast-in-place cage (3) are provided with a plurality of fixing hoops (11) on the outer side.
7. A weight-reducing reinforced composite beam according to claim 1, characterized in that the open end angle of the adhesive rod (4) is less than 90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010660475.9A CN111794438B (en) | 2020-07-10 | 2020-07-10 | Weight-reducing reinforced composite beam |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010660475.9A CN111794438B (en) | 2020-07-10 | 2020-07-10 | Weight-reducing reinforced composite beam |
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| CN111794438A CN111794438A (en) | 2020-10-20 |
| CN111794438B true CN111794438B (en) | 2021-03-23 |
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| CN202010660475.9A Active CN111794438B (en) | 2020-07-10 | 2020-07-10 | Weight-reducing reinforced composite beam |
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Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4074473A (en) * | 1975-01-02 | 1978-02-21 | Trw Inc. | Controlled thermal expansivity structure |
| CN2507939Y (en) * | 2001-09-25 | 2002-08-28 | 张骏华 | Concrete member of prestressed steel pipe |
| CN1525025A (en) * | 2003-02-26 | 2004-09-01 | 邱则有 | Cast-in-situ reinforced concrete hollow storey top |
| CN1525026A (en) * | 2003-02-26 | 2004-09-01 | 邱则有 | Cast-in-situ reinforced concrete storey top |
| CN201713985U (en) * | 2010-05-10 | 2011-01-19 | 蒋明月 | Prestressed concrete used steel bar with heat-shrinkable bush |
| CN202090274U (en) * | 2011-03-02 | 2011-12-28 | 郭红军 | Connector for steel box bottom plate of steel box superposed beam |
| CN203867057U (en) * | 2014-05-13 | 2014-10-08 | 仲如江 | Hollow pipe body |
| CN206722216U (en) * | 2017-05-24 | 2017-12-08 | 中冶建工集团有限公司 | A kind of prefabricated girder of laminated floor slab |
| CN206942244U (en) * | 2017-05-24 | 2018-01-30 | 安徽科创智慧知识产权服务有限公司 | The ring type concrete containment support body of high intensity |
| CN208056461U (en) * | 2018-04-12 | 2018-11-06 | 四川林彬彬装配式建筑科技有限公司 | A kind of precast concrete composite beam |
| CN208965875U (en) * | 2018-08-24 | 2019-06-11 | 浙江圆周建设有限公司 | Floor of steel structure |
| CN209040107U (en) * | 2018-10-22 | 2019-06-28 | 连云港市建筑设计研究院有限责任公司 | A kind of concrete tubular pile with rubber core |
| CN110056126A (en) * | 2019-04-18 | 2019-07-26 | 江苏广兴集团建筑装配科技有限公司 | A kind of reinforced composite beam of loss of weight |
| KR20190098599A (en) * | 2018-02-14 | 2019-08-22 | 한국토지주택공사 | Rigidity reinforcement apparatus for beam with web openings |
| CN209323348U (en) * | 2018-12-26 | 2019-08-30 | 中南大学 | Hollow interlayer multi-cavity steel tube concrete member |
| WO2019212862A1 (en) * | 2018-05-04 | 2019-11-07 | Fsc Technologies Llc | Pre-compression system for pre-compressing a structure |
| CN210086647U (en) * | 2019-03-14 | 2020-02-18 | 上海郦浒新型建筑材料有限公司 | Composite concrete superposed beam |
| CN110886529A (en) * | 2019-12-12 | 2020-03-17 | 邢台职业技术学院 | Energy consumption beam embedded with viscoelastic layer |
| CN210562984U (en) * | 2019-08-27 | 2020-05-19 | 盈创新材料(苏州)有限公司 | Support-free truss beam system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1011862B (en) * | 1974-05-24 | 1977-02-10 | Rolfo Giorgio | PREFABRICATED ELEMENT FOR THE CONSTRUCTION OF FLOORS AND WALLS AND CORE FOR ITS PRODUCTION |
| RU2551600C2 (en) * | 2012-10-15 | 2015-05-27 | Общество с ограниченной ответственностью "Андромета" | Metal triangular truss |
| CN206917085U (en) * | 2017-03-30 | 2018-01-23 | 中通钢构股份有限公司 | A kind of prefabricated overlapping steel framed concrete beam |
| CN108457421B (en) * | 2017-06-05 | 2020-05-19 | 姚芳辉 | Manufacturing die and manufacturing method of assembled reinforced concrete U-shaped frame beam |
| CN210713517U (en) * | 2019-07-12 | 2020-06-09 | 中铁第四勘察设计院集团有限公司 | Assembled superposed beam structure |
| CN111173193B (en) * | 2020-02-17 | 2024-02-27 | 西安建筑科技大学 | Prestressed laminated beam and construction method |
-
2020
- 2020-07-10 CN CN202010660475.9A patent/CN111794438B/en active Active
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4074473A (en) * | 1975-01-02 | 1978-02-21 | Trw Inc. | Controlled thermal expansivity structure |
| CN2507939Y (en) * | 2001-09-25 | 2002-08-28 | 张骏华 | Concrete member of prestressed steel pipe |
| CN1525025A (en) * | 2003-02-26 | 2004-09-01 | 邱则有 | Cast-in-situ reinforced concrete hollow storey top |
| CN1525026A (en) * | 2003-02-26 | 2004-09-01 | 邱则有 | Cast-in-situ reinforced concrete storey top |
| CN201713985U (en) * | 2010-05-10 | 2011-01-19 | 蒋明月 | Prestressed concrete used steel bar with heat-shrinkable bush |
| CN202090274U (en) * | 2011-03-02 | 2011-12-28 | 郭红军 | Connector for steel box bottom plate of steel box superposed beam |
| CN203867057U (en) * | 2014-05-13 | 2014-10-08 | 仲如江 | Hollow pipe body |
| CN206942244U (en) * | 2017-05-24 | 2018-01-30 | 安徽科创智慧知识产权服务有限公司 | The ring type concrete containment support body of high intensity |
| CN206722216U (en) * | 2017-05-24 | 2017-12-08 | 中冶建工集团有限公司 | A kind of prefabricated girder of laminated floor slab |
| KR20190098599A (en) * | 2018-02-14 | 2019-08-22 | 한국토지주택공사 | Rigidity reinforcement apparatus for beam with web openings |
| CN208056461U (en) * | 2018-04-12 | 2018-11-06 | 四川林彬彬装配式建筑科技有限公司 | A kind of precast concrete composite beam |
| WO2019212862A1 (en) * | 2018-05-04 | 2019-11-07 | Fsc Technologies Llc | Pre-compression system for pre-compressing a structure |
| CN208965875U (en) * | 2018-08-24 | 2019-06-11 | 浙江圆周建设有限公司 | Floor of steel structure |
| CN209040107U (en) * | 2018-10-22 | 2019-06-28 | 连云港市建筑设计研究院有限责任公司 | A kind of concrete tubular pile with rubber core |
| CN209323348U (en) * | 2018-12-26 | 2019-08-30 | 中南大学 | Hollow interlayer multi-cavity steel tube concrete member |
| CN210086647U (en) * | 2019-03-14 | 2020-02-18 | 上海郦浒新型建筑材料有限公司 | Composite concrete superposed beam |
| CN110056126A (en) * | 2019-04-18 | 2019-07-26 | 江苏广兴集团建筑装配科技有限公司 | A kind of reinforced composite beam of loss of weight |
| CN210562984U (en) * | 2019-08-27 | 2020-05-19 | 盈创新材料(苏州)有限公司 | Support-free truss beam system |
| CN110886529A (en) * | 2019-12-12 | 2020-03-17 | 邢台职业技术学院 | Energy consumption beam embedded with viscoelastic layer |
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| Publication number | Publication date |
|---|---|
| CN111794438A (en) | 2020-10-20 |
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