CN114277993A - Connecting joint of steel bar truss floor bearing plate and steel reinforced concrete beam and construction method thereof - Google Patents
Connecting joint of steel bar truss floor bearing plate and steel reinforced concrete beam and construction method thereof Download PDFInfo
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- CN114277993A CN114277993A CN202111637210.8A CN202111637210A CN114277993A CN 114277993 A CN114277993 A CN 114277993A CN 202111637210 A CN202111637210 A CN 202111637210A CN 114277993 A CN114277993 A CN 114277993A
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Abstract
The invention discloses a connecting node of a steel bar truss floor bearing plate and a steel reinforced concrete beam, which comprises the steel bar truss floor bearing plate and the steel reinforced concrete beam, wherein the steel bar truss floor bearing plate comprises a bottom plate, web members, upper chord steel bars and lower chord steel bars, the steel reinforced concrete beam comprises an upper flange plate, a lower flange plate, a web plate, longitudinal bars, stirrups and tie bars, and the connecting node is characterized in that: the outer sides of the upper flange plate and the lower flange plate are provided with studs, and the position of the upper flange plate is higher than the bottom plate of the steel bar truss floor bearing plate. The invention also provides a construction method of the connecting joint of the steel bar truss floor bearing plate and the steel reinforced concrete beam. The invention can increase the floor clearance, improve the utilization rate of the building space, ensure the shearing resistance of the joint surface of the section steel beam and the concrete, ensure the integrity, the stability and the bearing capacity of the joint, pour the concrete outside the section steel beam, improve the fire resistance and the corrosion resistance of the section steel beam, and have simple construction process and convenient operation.
Description
Technical Field
The invention relates to an assembled steel structure, a member of a steel and concrete combined structure, a connecting node and a construction method of the assembled steel structure, in particular to a combined beam plate structure of a thick steel bar truss floor bearing plate and a bearing type steel concrete beam and a construction method of the combined beam plate structure, and belongs to the technical field of assembled building engineering.
Background
The fabricated steel structure building refers to a building produced by manufacturing steel members into house units or components according to unified and standard building component specifications and then transporting the house units or components to a construction site for assembly in place. The assembled steel structure building has the advantages of high mechanization degree, good dimensional precision, easy assembly and connection, high construction speed and good installation quality, and can further improve the economy after being combined with concrete into a combined structure.
The steel reinforced concrete beam and the steel bar truss floor bearing plate are common prefabricated components in an assembled steel structure and a steel and concrete combined structure. The structural beam and slab combination of the steel reinforced concrete beam and the steel bar truss floor bearing plate is characterized in that concrete is poured on the upper portion of the section steel beam, a reasonable stress form of a stressed concrete section and a stressed steel section is formed, the respective stress performance of steel and concrete is fully exerted, and the steel bar truss and the concrete work cooperatively to bear use load. Compared with the traditional steel bearing plate and cast-in-place plate, the working procedures of site foundation treatment, steel bar binding, support and template erection, installation, removal and the like are omitted or reduced in the construction of the steel bar truss floor bearing plate, and the construction period can be greatly shortened.
The combined beam plate structure of the steel bar truss floor bearing plate and the bearing steel reinforced concrete beam can effectively solve the technical problem of supporting the large-span ultrahigh structure template, and is suitable for buildings with large span and high height, such as stations, large auditoriums, large-span bearing plants and the like.
In conventional design and construction scheme, directly lay on the shaped steel roof beam of steel bar truss building carrier plate earlier, then carry out the construction reinforcement ligature and weld the peg after fixed, ligature shaped steel roof beam outside reinforcing bar again carries out concrete placement after shaped steel roof beam both sides and bottom installation template are fixed, realizes the wholeness of shaped steel concrete beam and steel bar truss building carrier plate and concretes. Because the design rigidity and the bearing capacity requirement of shaped steel concrete beam often need design great cross-sectional height, especially bear heavily loaded shaped steel concrete beam, not only shaped steel concrete beam cross-section is higher, often still needs to choose for use thick type steel bar truss floor carrier plate, leads to the net height of building floor to reduce greatly from this, has reduced building space's utilization ratio.
Disclosure of Invention
The invention aims to overcome the defects and shortcomings of the prior art, optimize the structural design of the connecting node of the steel bar truss floor bearing plate and the steel reinforced concrete beam, provide a corresponding construction method of a combined beam plate structure, and is particularly suitable for the combined beam plate structure of the thick steel bar truss floor bearing plate and the bearing steel reinforced concrete beam, so that the material is saved, the construction process is simplified, the construction speed is accelerated, the bearing capacity is improved, and the service performance is enhanced.
The invention is realized in such a way that:
connecting node of steel bar truss building carrier plate and shaped steel concrete beam, including steel bar truss building carrier plate, shaped steel concrete beam, steel bar truss building carrier plate includes the bottom plate, the web member reinforcing bar, last chord steel, lower chord steel, shaped steel concrete beam includes last flange board, lower flange board, web and indulges muscle, stirrup, lacing wire, all is provided with the peg in the outside of last flange board, lower flange board, and the position of last flange board is higher than the bottom plate of steel bar truss building carrier plate.
The further scheme is as follows:
the stud is connected with the upper flange plate and the lower flange plate of the steel beam by adopting non-penetrating stud welding.
The further scheme is as follows:
the upper flange plate, the lower flange plate and the web plate form a steel beam, and the lacing wires are bent at the web plate of the steel beam.
The further scheme is as follows:
the upper chord steel bar of the steel bar truss floor bearing plate is provided with an upper additional steel bar which is welded with the upper chord steel bar of the steel bar truss floor bearing plate, the longitudinal bar at the upper part of the section steel beam and the stirrup, and the length of the connecting section is determined according to the design specification and the selection of a standard map set;
and a lower additional steel bar is arranged at the lower chord steel bar of the steel bar truss floor bearing plate, one end of the lower additional steel bar is welded with the lower chord steel bar of the steel bar truss floor bearing plate, the other end of the lower additional steel bar is bent at the web of the section steel beam and is welded with the web of the section steel beam, and the length of the connecting section at the two ends is determined according to the design specification and the selection of a standard map set.
The further scheme is as follows:
the web plate is provided with a rib penetrating hole, the lower additional steel bar and the tie bars penetrate through the rib penetrating hole of the web plate of the section steel beam, two ends of the lower additional steel bar are welded with the lower chord steel bars of the steel bar truss floor bearing plates on two sides of the section steel beam, and the length of the connecting area is determined according to design specifications and standard drawing sets.
The further scheme is as follows:
the upper additional steel bar and the lower additional steel bar have the same strength with the upper chord steel bar and the lower chord steel bar of the steel bar truss floor bearing plate.
The further scheme is as follows:
concrete is filled in the part above the bottom plate of the steel bar truss floor bearing plate and outside the section steel beam; the end part of the steel bar truss floor bearing plate extends into the side surface of the steel reinforced concrete beam to the stirrup of the steel reinforced concrete beam; the steel bar truss floor bearing plate is connected with the steel reinforced concrete beam to form an integral composite beam plate structure, so that consolidation is realized.
The further scheme is as follows:
the bottom plate of steel bar truss floor carrier plate is detachable or non-detachable type bottom plate.
The invention also provides a construction method of the connecting joint of the steel bar truss floor bearing plate and the steel reinforced concrete beam, which comprises the following steps:
s01, selecting steel bar truss floor bearing plates with standard specifications to arrange plates according to the design requirements of the connecting nodes;
s02, prefabricating and producing the steel bar truss floor bearing plate and the section steel beam according to design drawings in a factory;
s03, mounting the section steel beam according to the design drawing on site;
s04, installing temporary supports below the section steel beams and the steel bar truss floor bearing plates;
s05, binding reinforcing steel bars such as longitudinal bars, stirrups, tie bars and the like outside the section steel beam according to a design drawing and a standard drawing set;
s06, hoisting the steel bar truss floor bearing plates in sequence according to the plate arrangement of the step S01, and positioning and laying;
s07, welding the upper additional steel bars with the upper chord steel bars of the steel bar truss floor bearing plate, the longitudinal bars at the upper part of the section steel beam and the stirrups, and welding the lower additional steel bars with the lower chord steel bars of the steel bar truss floor bearing plate and the web plate of the section steel beam, or welding the lower additional steel bars with the lower chord steel bars of the steel bar truss floor bearing plate through the reinforcement penetrating holes of the web plate of the section steel beam;
s08, erecting and fixing a side template and a bottom template of the section steel beam;
s09, integrally pouring concrete, wherein the concrete comprises the upper part of the bottom plate of the steel bar truss floor bearing plate, and cavities among the steel bar truss floor bearing plate, the side templates and the bottom template;
and S10, after the concrete is solidified, removing the side formwork, and after the concrete reaches a curing period, removing the bottom formwork.
The further scheme is as follows:
in step S01, a board arrangement is performed using the BIM technique.
The further scheme is as follows:
in the step S06, a steel wire rope or a flat hoisting belt or a flexible hoisting belt made of synthetic fiber and strong wire drawing mixed material is used for hoisting, and the steel wire rope passes through the web member steel bar of the steel bar truss floor bearing plate during hoisting and does not directly contact the bottom plate of the steel bar truss floor bearing plate.
The further scheme is as follows:
in the step S06, positioning and laying the steel bar truss floor bearing plate, wherein reference lines, start lines and buckling directions are defined, the plate and the plate are tightly buckled when the steel bar truss floor bearing plate is installed, slurry leakage during concrete pouring is prevented, and an adhesive tape is added at the buckling position if necessary;
the further scheme is as follows:
in steps S06 and S07, each steel bar truss floor deck is laid and welded.
The further scheme is as follows:
in step S07, the template and the bottom template may be wood template, steel template or plastic template.
The invention can increase the floor clearance, improve the utilization rate of the building space, ensure the shearing resistance of the joint surface of the section steel beam and the concrete, ensure the integrity, the stability and the bearing capacity of the joint, pour the concrete outside the section steel beam, improve the fire resistance and the corrosion resistance of the section steel beam, and have simple construction process and convenient operation.
Specifically, the invention has the following beneficial effects:
a. by adopting the optimized design of the connecting node of the steel bar truss floor bearing plate and the steel reinforced concrete beam and the technology of moving the steel bar beam part into the floor slab, the problems of the support of a large-span ultrahigh structure template and the utilization rate of a building space are solved, the clear height of the floor is increased, the utilization rate of the building space is improved, the shearing resistance of the connecting surface of the steel reinforced beam and the concrete is ensured, and the integrity, the stability and the bearing capacity of the connecting node are ensured;
b. the stress performance of the section steel beam from construction to normal use in each working condition is fully considered, steel bars are bound outside the section steel beam, the section steel beam and the steel bar truss floor bearing plate are welded and connected through additional steel bars, and integral consolidation is realized through concrete pouring;
c. in the construction of the beam-slab combined structure, stiffening plates, fixed angle steel or support connectors are not required to be added, the site construction process is simplified, the operation is convenient, the construction efficiency is improved, and the steel consumption is reduced to a certain extent;
d. the section steel beam is completely built in, and the concrete poured outside plays a role in protecting the steel beam, so that the fireproof and anticorrosive performances of the section steel beam are improved, and the construction cost is reduced.
Drawings
FIG. 1 is a schematic sectional view of a connection joint between a steel bar truss floor support plate and a steel reinforced concrete beam, wherein lower additional steel bars and tie bars are welded to a steel reinforced beam web;
FIG. 2 is a schematic cross-sectional view of a connection joint between a steel bar truss floor support plate and a steel reinforced concrete beam, wherein lower additional steel bars and tie bars penetrate through reinforcement penetrating holes in a web plate of the steel reinforced beam;
FIG. 3 is a schematic plane structure diagram of a connection node of a steel bar truss floor support plate and a steel reinforced concrete beam;
FIG. 4 is a schematic flow chart of a construction method of a combined beam slab structure composed of a steel bar truss floor support plate and a steel reinforced concrete beam according to an embodiment of the invention;
fig. 5 is a schematic diagram illustrating an arrangement of steel bar truss floor deck plates in standard specifications according to an embodiment of the present invention;
fig. 6 is a schematic view illustrating the installation of temporary supports and the support of the steel girder side formworks and the bottom formworks on the bottom of the steel girder and the steel bar truss floor support plate according to the embodiment of the invention.
The steel bar truss floor slab comprises 1-steel bar truss floor slab, 2-bottom plate, 3-web member steel bar, 4-upper chord steel bar, 5-lower chord steel bar, 6-upper additional steel bar, 7-lower additional steel bar, 8-steel beam, 9-stud, 10-upper flange plate, 11-lower flange plate, 12-web plate, 13-longitudinal bar, 14-stirrup, 15-lacing wire, 16-bar penetrating hole, 17-concrete, 18-steel reinforced concrete beam, 19-temporary support, 20-side template and 21-bottom template.
Detailed Description
The invention is described in further detail below with reference to the figures and the specific embodiments.
As shown in fig. 1 and 3, the connection node of the steel bar truss floor support plate 1 and the steel reinforced concrete beam 18 comprises the steel bar truss floor support plate 1 and the steel reinforced concrete beam 18; the steel bar truss floor support plate 1 comprises a bottom plate 2, web member steel bars 3, upper chord steel bars 4 and lower chord steel bars 5; the steel reinforced concrete beam 18 comprises an upper flange plate 10, a lower flange plate 11, a web plate 12, longitudinal ribs 13, stirrups 14 and tie bars 15. The upper flange plate 10, the lower flange plate 11 and the web plate 12 jointly form a steel structure prefabricated part section steel beam 8. The outer sides of the upper flange plate 10 and the lower flange plate 11 are provided with studs 9, and the position of the upper flange plate 10 is higher than the bottom plate 2 of the steel bar truss floor bearing plate.
The stud 9 is connected with the upper flange plate 10 and the lower flange plate 11 of the section steel beam 8 by adopting non-penetrating stud welding.
The outside of the section steel beam 8 is bound with a longitudinal bar 13, a stirrup 14 and a tie bar 15, and the tie bar 15 is bent at a web plate 12 of the section steel beam 8.
An upper additional steel bar 6 is arranged at an upper chord steel bar 4 of the steel bar truss floor bearing plate 1 and is in welded connection with the upper chord steel bar 4 of the steel bar truss floor bearing plate 1, an upper longitudinal bar 13 of a section steel beam 8 and a stirrup 14, and the length of a connecting section is determined according to design specifications and standard drawing set selection;
a lower additional steel bar 7 is arranged at the lower chord steel bar 5 of the steel bar truss floor bearing plate 1, one end of the lower additional steel bar 7 is in welded connection with the lower chord steel bar 5 of the steel bar truss floor bearing plate 1, the other end of the lower additional steel bar is bent at the web 12 of the section steel beam 8 and is in welded connection with the web 12 of the section steel beam 8, and the length of the connecting area at the two ends is determined according to the design specification and the selection of a standard map set;
preferably, as shown in fig. 2, a bar penetrating hole 16 is formed in a position, corresponding to the lower additional steel bar 7 and the tie bar 15, of the web 12 of the section steel beam 8, the lower additional steel bar 7 and the tie bar 15 penetrate through the bar penetrating hole 16 of the web 12 of the section steel beam 8, two ends of the lower additional steel bar 7 and the tie bar 15 are welded to the lower chord steel bar 5 of the steel bar truss floor deck 1 on two sides of the section steel beam 8, and the length of the connecting area is determined according to design specifications and standard drawing sets;
the upper additional steel bar 6 and the lower additional steel bar 7 and the upper chord steel bar 4 and the lower chord steel bar 5 of the steel bar truss floor support plate 1 are steel bars with the same strength and the same type;
concrete 17 is filled in the part above the bottom plate 2 of the steel bar truss floor support plate 1 and outside the section steel beam 8; the end part of the steel bar truss floor bearing plate 1 extends into the side surface of the steel reinforced concrete beam 18 to the stirrup 14 of the steel reinforced concrete beam 18; the steel bar truss floor support plate 1 and the steel reinforced concrete beam 18 are connected into an integral composite beam plate structure to realize consolidation.
The bottom plate 2 of steel bar truss floor carrier plate is detachable or non-detachable type bottom plate.
The construction method of the connection node of the steel bar truss floor bearing plate and the steel reinforced concrete beam in the embodiment comprises the following steps as shown in the attached figure 4:
s01, selecting a steel bar truss floor support plate 1 with standard specification according to design requirements to arrange plates according to the connecting nodes;
s02, prefabricating and producing the steel bar truss floor bearing plate 1 and the section steel beam 8 according to design drawings in a factory;
s03, mounting the section steel beam 8 on the site according to the design drawing;
s04, installing temporary supports 19 below the section steel beams 8 and the steel bar truss floor bearing plates 1, as shown in figure 6;
s05, binding reinforcing steel bars such as longitudinal bars 13, stirrups 14 and tie bars 15 outside the section steel beam 8 according to a design drawing and a standard drawing set;
s06, hoisting the steel bar truss floor support plates 1 in sequence according to the plate arrangement of the step S01, and positioning and laying;
s07, welding the upper additional steel bar 6 with the upper chord steel bar 4 of the steel bar truss floor bearing plate 1, the upper longitudinal bar 13 of the section steel beam and the stirrup 14, welding the lower additional steel bar 7 with the lower chord steel bar 5 of the steel bar truss floor bearing plate 1 and the web plate 12 of the section steel beam 8, or welding the lower additional steel bar 7 with the lower chord steel bar 5 of the steel bar truss floor bearing plate 1 through the bar penetrating hole 16 of the web plate 12 of the section steel beam 8;
s08, erecting and fixing the side formworks 20 and the bottom formworks 21 of the section steel beams 8;
s09, integrally pouring concrete 17, wherein the integrally poured concrete comprises the upper part of the bottom plate 2 of the steel bar truss floor bearing plate 1, and cavities among the steel bar truss floor bearing plate, the side formworks 20 and the bottom formwork 21;
s10, after the concrete 17 is solidified, the side formwork 20 is removed, and after the concrete 17 reaches a curing period, the bottom formwork 21 is removed.
In step S01, a BIM technique is used to arrange the panels;
in the step S06, a steel wire rope is used for hoisting, and the steel wire rope passes through the web member steel bar 3 of the steel bar truss floor support plate 1 during hoisting and does not directly contact the bottom plate 2 of the steel bar truss floor support plate 1;
in the step S06, the hoisting can be performed by using a flat hoisting belt or a flexible hoisting belt made of synthetic fiber and strong wire drawing mixed material;
in the step S06, positioning and laying the steel bar truss floor support plate 1, determining a reference line, a start line and a fastening edge direction, as shown in fig. 5, overlapping and fastening between adjacent steel bar truss floor support plates 1 when mounting, so as to prevent slurry leakage when pouring concrete 17, and further, sticking an adhesive tape at the overlapping and fastening edge;
step S06 and step S07, when each steel bar truss floor support plate 1 is paved and welded with the additional steel bar 6 and the lower chord steel bar 9, the paving and the welding are alternately carried out, after the paving and the welding of one steel bar truss floor support plate 1 are finished, the paving and the welding of the next steel bar truss floor support plate 1 are carried out;
in step S07, the side forms 20 and the bottom form 21 may be wooden forms, steel forms, or plastic forms.
Although the present invention has been described herein with reference to the illustrated embodiments thereof, which are intended to be preferred embodiments of the present invention, it is to be understood that the invention is not limited thereto, and that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this disclosure.
Claims (10)
1. Steel bar truss building carrier plate and profiled bar concrete beam's connected node, including steel bar truss building carrier plate, profiled bar concrete beam, steel bar truss building carrier plate includes bottom plate, web member reinforcing bar, last chord steel bar, and the profiled bar concrete beam includes top flange board, lower flange board, web and indulges muscle, stirrup, lacing wire, its characterized in that: the outer sides of the upper flange plate and the lower flange plate are provided with studs, and the position of the upper flange plate is higher than the bottom plate of the steel bar truss floor bearing plate.
2. The connecting node of steel bar truss floor carrier plate and steel reinforced concrete beam of claim 1, characterized in that:
the stud is connected with the upper flange plate and the lower flange plate of the steel beam by adopting non-penetrating stud welding.
3. The connecting node of steel bar truss floor carrier plate and steel reinforced concrete beam of claim 1, characterized in that:
the upper flange plate, the lower flange plate and the web plate form a steel beam, and the lacing wires are bent at the web plate of the steel beam.
4. The connection node of steel bar truss floor carrier plate and steel reinforced concrete beam of claim 3, characterized in that:
the upper chord steel bar of the steel bar truss floor bearing plate is provided with an upper additional steel bar which is welded with the upper chord steel bar of the steel bar truss floor bearing plate, the longitudinal bar at the upper part of the section steel beam and the stirrup;
the lower chord steel bar of the steel bar truss floor bearing plate is provided with a lower additional steel bar, one end of the lower additional steel bar is welded with the lower chord steel bar of the steel bar truss floor bearing plate, and the other end of the lower additional steel bar is bent at the section steel beam web plate and is welded with the section steel beam web plate.
5. The connection node of steel bar truss floor carrier plate and steel reinforced concrete beam of claim 4, characterized in that:
the web plate is provided with a rib penetrating hole, the lower additional steel bar and the tie bars penetrate through the rib penetrating hole of the web plate of the section steel beam, two ends of the lower additional steel bar are welded with the lower chord steel bars of the steel bar truss floor bearing plates on two sides of the section steel beam, and the length of the connecting area is determined according to design specifications and standard drawing sets.
6. The connection node of steel bar truss floor carrier plate and steel reinforced concrete beam of claim 5, characterized in that:
the upper additional steel bar and the lower additional steel bar have the same strength with the upper chord steel bar and the lower chord steel bar of the steel bar truss floor bearing plate.
7. The joint of a steel bar truss floor deck and a steel reinforced concrete beam as claimed in any one of claims 1 to 6, wherein:
concrete is filled in the part above the bottom plate of the steel bar truss floor bearing plate and outside the section steel beam; the end part of the steel bar truss floor bearing plate extends into the side surface of the steel reinforced concrete beam to the stirrup of the steel reinforced concrete beam; the steel bar truss floor bearing plate is connected with the steel reinforced concrete beam to form an integral composite beam plate structure, so that consolidation is realized.
8. A method for constructing a connection node between a steel bar truss floor deck and a steel reinforced concrete beam as claimed in any one of claims 1 to 7, comprising the steps of:
s01, selecting steel bar truss floor bearing plates with standard specifications to arrange plates according to the design requirements of the connecting nodes;
s02, prefabricating and producing the steel bar truss floor bearing plate and the section steel beam according to design drawings in a factory;
s03, mounting the section steel beam according to the design drawing on site;
s04, installing temporary supports below the section steel beams and the steel bar truss floor bearing plates;
s05, binding reinforcing steel bars such as longitudinal bars, stirrups, tie bars and the like outside the section steel beam according to a design drawing and a standard drawing set;
s06, hoisting the steel bar truss floor bearing plates in sequence according to the plate arrangement of the step S01, and positioning and laying;
s07, welding the upper additional steel bars with the upper chord steel bars of the steel bar truss floor bearing plate, the longitudinal bars at the upper part of the section steel beam and the stirrups, and welding the lower additional steel bars with the lower chord steel bars of the steel bar truss floor bearing plate and the web plate of the section steel beam, or welding the lower additional steel bars with the lower chord steel bars of the steel bar truss floor bearing plate through the reinforcement penetrating holes of the web plate of the section steel beam;
s08, erecting and fixing a side template and a bottom template of the section steel beam;
s09, integrally pouring concrete, wherein the concrete comprises the upper part of the bottom plate of the steel bar truss floor bearing plate, and cavities among the steel bar truss floor bearing plate, the side templates and the bottom template;
and S10, after the concrete is solidified, removing the side formwork, and after the concrete reaches a curing period, removing the bottom formwork.
9. The construction method of the connection node of the steel bar truss floor bearing plate and the steel reinforced concrete beam as claimed in claim 8, wherein the construction method comprises the following steps:
in step S01, a board arrangement is performed using the BIM technique.
10. The construction method of the connection node of the steel bar truss floor bearing plate and the steel reinforced concrete beam as claimed in claim 8, wherein the construction method comprises the following steps:
in the step S06, a steel wire rope or a flat hoisting belt or a flexible hoisting belt made of synthetic fiber and strong wire drawing mixed material is used for hoisting, and the steel wire rope passes through the web member steel bar of the steel bar truss floor bearing plate during hoisting and does not directly contact the bottom plate of the steel bar truss floor bearing plate;
in the step S06, positioning and laying the steel bar truss floor bearing plate, wherein reference lines, start lines and buckling directions are defined, the plate and the plate are tightly buckled when the steel bar truss floor bearing plate is installed, slurry leakage during concrete pouring is prevented, and an adhesive tape is added at the buckling position if necessary;
in the steps S06 and S07, each steel bar truss floor support plate is laid and welded;
in step S07, the template and the bottom template may be wood template, steel template or plastic template.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111637210.8A CN114277993A (en) | 2021-12-29 | 2021-12-29 | Connecting joint of steel bar truss floor bearing plate and steel reinforced concrete beam and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111637210.8A CN114277993A (en) | 2021-12-29 | 2021-12-29 | Connecting joint of steel bar truss floor bearing plate and steel reinforced concrete beam and construction method thereof |
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| CN114277993A true CN114277993A (en) | 2022-04-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114809076A (en) * | 2022-05-12 | 2022-07-29 | 福建农林大学 | Structure and construction method of roof upturning beam and node thereof of subway station |
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| CN108625485A (en) * | 2018-06-04 | 2018-10-09 | 浙江中益建材科技有限公司 | A kind of steel bar girder plate end connecting joint structure and construction method |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2006144535A (en) * | 2004-10-21 | 2006-06-08 | Shimizu Corp | Joint structure of column and beam |
| US20080282644A1 (en) * | 2005-12-07 | 2008-11-20 | Won-Kee Hong | Mold-Concrete Composite Crossbeam and Construction Method Using the Same |
| CN204609123U (en) * | 2015-03-03 | 2015-09-02 | 杭州铁木辛柯钢结构设计有限公司 | A kind of Steel concrete compound beam structure |
| CN108625485A (en) * | 2018-06-04 | 2018-10-09 | 浙江中益建材科技有限公司 | A kind of steel bar girder plate end connecting joint structure and construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114809076A (en) * | 2022-05-12 | 2022-07-29 | 福建农林大学 | Structure and construction method of roof upturning beam and node thereof of subway station |
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