CN114753634A - Semi-fabricated construction method for concrete structure - Google Patents
Semi-fabricated construction method for concrete structure Download PDFInfo
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- CN114753634A CN114753634A CN202210295721.4A CN202210295721A CN114753634A CN 114753634 A CN114753634 A CN 114753634A CN 202210295721 A CN202210295721 A CN 202210295721A CN 114753634 A CN114753634 A CN 114753634A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- 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
- 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
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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
- E04C5/02—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance
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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
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/162—Connectors or means for connecting parts for reinforcements
- E04C5/163—Connectors or means for connecting parts for reinforcements the reinforcements running in one single direction
- E04C5/165—Coaxial connection by means of sleeves
Abstract
The invention provides a semi-fabricated construction method of a concrete structure, which comprises the following steps: prefabricating and processing the frame beam and the frame column by adopting a sectional prefabricating construction mode to obtain a prefabricated section beam and a prefabricated section column; and connecting the embedded steel bars on the two adjacent sections of the precast section beams by using a threaded sleeve, pouring concrete in the butt joint section between the two adjacent sections of the precast section beams to form a beam connection pouring section, connecting the embedded steel bars of the two adjacent sections of the precast section columns by using a threaded sleeve, and pouring concrete in the butt joint section between the two adjacent sections of the precast section columns to form a column connection pouring section. The beam of the concrete structure is manufactured by a prefabricating method and assembled on site; when the precast section beam and the precast section column are assembled on site, the connection of the embedded steel bars adopts a straight thread sleeve connection method, the connection part of the steel bars is assembled on site of the precast section beam and the precast section column, cast-in-place concrete is adopted for pouring, and the connection between the beam and the connection between the column and the column are realized.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a semi-fabricated construction method of a concrete structure.
Background
The traditional construction method of the building frame beam and the building frame column with the reinforced concrete structure adopts the field cast-in-place concrete operation, the template of the beam and the building frame column is erected on the field, and then the concrete is poured. The construction method has the advantages that the building integrity is good, the technology is mature, but the construction progress is slow, and the construction period is long as a template and a scaffold are erected on site; the potential safety hazard of high-altitude operation is more; the centralized demand of operators is more, the sizes of components are not easy to control, the construction difficulty is increased, more turnover materials are consumed, and the field cleaning workload is large. However, during the assembly type construction of the existing concrete structure, the field connection construction technology of the prefabricated column is complex, the requirement on the installation precision of the steel bar is high when the column is prefabricated, the operation difficulty is high when the prefabricated column is installed on the field, and the quality is not easy to control.
Disclosure of Invention
In view of the above, the invention provides a semi-fabricated construction method for a concrete structure, and aims to solve the problem that the existing reinforced concrete structure is difficult to install, large in installation difficulty and difficult to control in quality.
The invention provides a semi-fabricated construction method of a concrete structure, which comprises the following steps: prefabricating and processing a frame beam and a frame column by adopting a segmented prefabricating construction mode to obtain a prefabricated section beam and a prefabricated section column, wherein embedded steel bars are pre-embedded in the prefabricated section beam and the prefabricated section column during prefabricating and are convexly arranged on the prefabricated section beam or the prefabricated section column, and external threads are arranged on the external parts of the prefabricated section beam or the prefabricated section column; and connecting the embedded steel bars on the two adjacent sections of the prefabricated section beams by using a threaded sleeve, pouring concrete in the butt joint section between the prefabricated section beams to form a beam connection pouring section, connecting the embedded steel bars of the two adjacent sections of the prefabricated section columns by using a threaded sleeve, pouring concrete in the butt joint section between the prefabricated section columns to form a column connection pouring section, and butting the prefabricated section beams and the prefabricated section columns to obtain the concrete structure.
Further, in the above concrete structure semi-fabricated construction method, the connecting the embedded steel bars between two adjacent prefabricated section beams by using the threaded sleeves specifically includes: the threaded sleeve is completely screwed into the embedded steel bars with long thread sections, and after the embedded steel bars corresponding to the two precast section beams are installed in place, the threaded sleeve is screwed in the opposite direction, so that the two ends of the threaded sleeve are respectively sleeved on the two embedded steel bars, and the connection and installation of the steel bars are completed; and the thread section of the corresponding end part of one embedded steel bar is longer than that of the corresponding end part of the other embedded steel bar.
Further, according to the semi-fabricated construction method of the concrete structure, after the threaded sleeve is screwed in the opposite direction, the length of the threaded sleeve sleeved on the two embedded steel bars is measured and detected, so that the preset requirements of beam butt joint are met.
Further, in the above concrete structure semi-fabricated construction method, the connecting the embedded steel bars between two adjacent prefabricated section columns by using the threaded sleeves specifically includes: the threaded sleeve is completely screwed into the embedded steel bars with long thread sections, and after the embedded steel bars corresponding to the two prefabricated section columns are installed in place, the threaded sleeve is screwed in the opposite direction, so that the two ends of the threaded sleeve are respectively sleeved on the two embedded steel bars, and the connection and installation of the steel bars are completed; and the thread section of the corresponding end part of one embedded steel bar is longer than that of the corresponding end part of the other embedded steel bar.
Further, according to the semi-fabricated construction method of the concrete structure, after the threaded sleeve is screwed in the opposite direction, the length of the threaded sleeve sleeved on the two embedded steel bars is measured and detected, so that the preset requirements of column butt joint are met.
Further, in the above concrete structure semi-fabricated construction method, the concrete pouring of the butt joint section between the precast section beams specifically includes: and (4) performing formwork erecting construction on the butt joint sections between the prefabricated section beams, and pouring concrete after the templates are installed to be qualified so as to complete the connection construction of the frame beams.
Further, in the above concrete structure semi-fabricated construction method, the concrete pouring of the butt joint section between the precast section columns specifically includes: and (4) performing formwork construction on the butt joint sections between the prefabricated section columns, and pouring concrete after the templates are installed to be qualified so as to complete the connection construction of the frame columns.
Further, according to the semi-fabricated construction method of the concrete structure, a plurality of embedded steel bars are arranged on the precast section beam, the embedded steel bars are located at the end portions of the same side of the precast section beam, a long thread section is arranged on part of the embedded steel bars, and a short thread section is arranged on part of the embedded steel bars.
Furthermore, according to the concrete structure semi-fabricated construction method, a plurality of embedded steel bars are arranged on the prefabricated section column, the embedded steel bars are located at the end portions of the same side of the prefabricated section beam, a long threaded section is arranged on part of the embedded steel bars, and a short threaded section is arranged on part of the embedded steel bars.
Further, according to the concrete structure semi-fabricated construction method, the prefabricated section beam is transversely arranged at the end part of the prefabricated section column to form a T-shaped structure, and the T-shaped structure is formed by integral pouring.
The invention provides a semi-fabricated construction method of a concrete structure, wherein a beam of the concrete structure is manufactured by adopting a prefabricating method and is assembled on site; when the prefabricated section beam and the prefabricated section column are assembled on site, the embedded steel bars are connected by adopting a straight threaded sleeve connection method, the threaded sleeve is lengthened, the length of the embedded steel bars implanted into the threaded sleeve is controlled during installation, and the steel bars are ensured to be connected firmly and reliably; the connecting parts of the steel bars are assembled on the spot by the precast section beams and the precast section columns, cast-in-place concrete is adopted for pouring, the connection between the beams and the connection between the columns are realized, the concrete strength is improved by one grade, and the problem that the existing reinforced concrete structure is difficult to install, has large difficulty and is difficult to control the quality is solved, and simultaneously, the invention at least has the following advantages:
firstly, the field assembly connection technology after the prefabricated section beam and the prefabricated section column are prefabricated is simple and easy to operate, convenient to construct and easy to control the quality;
secondly, the consumption of field high-altitude operation and turnover materials is reduced, the workload is reduced, and the construction progress is accelerated.
Drawings
Various additional advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a block flow diagram of a semi-fabricated construction method for a concrete structure according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a concrete structure provided in an embodiment of the present invention;
fig. 3 is a schematic structural view of the embedded steel bars before butt joint according to the embodiment of the present invention;
fig. 4 is a schematic structural view of the butt joint of embedded steel bars according to the embodiment of the present invention;
fig. 5 is a schematic structural diagram of the butt joint of the precast segment beam or the precast segment column according to the embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1, it is a block flow diagram of a semi-fabricated construction method for a concrete structure according to an embodiment of the present invention. As shown in the figure, the construction method comprises the following steps:
and step S1, performing prefabrication processing on the frame beam and the frame column by adopting a construction mode of sectional prefabrication to obtain a prefabricated section beam and a prefabricated section column, wherein embedded steel bars are embedded in the prefabricated section beam and the prefabricated section column during prefabrication processing, and the embedded steel bars are convexly arranged on the outer parts of the prefabricated section beam or the prefabricated section column and are provided with external threads.
Specifically, the construction mode of segmental prefabrication of the frame beam and the frame column can be respectively prefabricated to obtain a prefabricated section beam 1 and a prefabricated section column 2; in this embodiment, each of the prefabricated section beams 1 and the prefabricated section columns 2 may be straight-line sections, and certainly, part of the prefabricated section beams 1 and the prefabricated section columns 2 may also be straight-line sections, and as shown in fig. 2, part of the prefabricated section beams 1 may be transversely disposed at an end portion (top end as shown in fig. 2) of the prefabricated section column 2 to form a T-shaped structure, and the T-shaped structure is integrally cast, so as to improve the construction efficiency; the prefabricated section beam 1 between the T-shaped structures is a straight line section. In this embodiment, as shown in fig. 2, when precast segment beam 1 and precast segment column 2 are precast, embedded steel bars 3 are all embedded inside, as shown in fig. 3 to 5, each embedded steel bar 3 is convexly provided on the outside of precast segment beam 1 or precast segment column 2, and is provided with an external thread 31 for connecting a threaded sleeve 4, so as to realize the connection between the corresponding embedded steel bars 3, and further realize the connection between adjacent precast segment beams 1 or precast segment columns 2. As shown in fig. 5, a plurality of embedded bars 3 are arranged on a precast segment beam 1, and each embedded bar 3 is located at each end (right end of the left embedded bar 3 shown in fig. 5) of the same side (right side shown in fig. 5) of the precast segment beam 1, a long threaded section is provided on part of the embedded bars 3, and a short threaded section is provided on part of the embedded bars 3, that is, the right end of the embedded bars 3 on the same precast segment beam 1 is provided with the long threaded section, and the other part is provided with the short threaded section, and the left ends of the embedded bars 3 on the other precast segment beam 1 (the precast segment beam 1 on the right side shown in fig. 5) corresponding to the precast segment beam 1 correspond to the embedded bars 3 on the precast segment beam 1 on the right side; and/or, as shown in fig. 5, a plurality of embedded bars 3 are arranged on the prefabricated section column 2, and each embedded bar 3 is located on each end portion (right end of the left embedded bar 3 shown in fig. 5) of the same side (right side shown in fig. 5) of the prefabricated section column 2, a long threaded section is arranged on part of the embedded bars 3, a short threaded section is arranged on part of the embedded bars 3, that is, the right end portions of the embedded bars 3 on the same prefabricated section column 2 are provided with the long threaded section, and a short threaded section is arranged on part of the embedded bars 3, and the left ends of the embedded bars 3 on the other prefabricated section column 2 (the prefabricated section beam 1 on the right side shown in fig. 5) corresponding to the prefabricated section column 2 correspond to the embedded bars 3 on the prefabricated section column 2 on the right side; that is to say, the embedded rod pieces 3 at the butt joint sections corresponding to the two adjacent prefabricated section columns 2 and/or the prefabricated section beams 1 are arranged in a one-to-one correspondence manner.
And step S2, connecting the embedded steel bars on two adjacent sections of precast section beams by using a threaded sleeve, pouring concrete on the butt joint section between the precast section beams to form a beam connection pouring section, connecting the embedded steel bars of two adjacent sections of precast section columns by using a threaded sleeve, pouring concrete on the butt joint section between the precast section columns to form a column connection pouring section, and butting the precast section beams and the precast section columns to obtain the concrete structure.
Specifically, the butt joint between the precast sectional beams 1 and the butt joint between the precast sectional columns 2 may be performed in sequence, and the butt joint therebetween has no order, and then, the concrete pouring of the butt joint between the precast sectional beams 1 and the butt joint between the precast sectional columns 2 may be performed simultaneously, or may be performed in sequence, and the order is not limited in this embodiment. The butt joint between the precast section beams 1 is specifically as follows: installing two adjacent sections of prefabricated section beams 1 in place, and connecting embedded steel bars 3 on the two adjacent sections of prefabricated section beams 1 by using threaded sleeves 4, so that the prefabricated section beams 1 are in butt joint connection to form an integral frame beam, and the two adjacent sections of prefabricated section beams 1 are arranged at intervals and are connected through the embedded steel bars 3 and the threaded sleeves 4 on the embedded steel bars 3; the butt joint between the prefabricated section columns 2 is specifically as follows: the two adjacent prefabricated section columns 2 are installed in place, the embedded steel bars 3 on the two adjacent prefabricated section columns 2 are connected through the threaded sleeves 4, the prefabricated section columns 2 are connected in a butt joint mode to form an integral frame beam, the two adjacent prefabricated section columns 2 are arranged at intervals and connected through the embedded steel bars 3 and the threaded sleeves 4 on the embedded steel bars 3. Concrete pouring of the butt joint section between the precast section beams 1 specifically comprises the following steps: formwork erecting construction is carried out on the butt joint sections between the prefabricated section beams 1, and concrete is poured after the templates are installed to be qualified so as to complete the connection construction of the frame beams; concrete pouring of the butt joint section between the prefabricated section columns 2 specifically comprises the following steps: and (4) performing formwork construction on the butt joint sections between the prefabricated section columns, and pouring concrete after the formworks are installed to be qualified so as to complete the connection construction of the frame columns. When the concrete is poured in the butt joint section, cast-in-place concrete can be adopted for pouring, so that the strength of the concrete is improved by one grade, and the connection stability between the precast section beams 1 and/or between the precast section columns 2 is improved.
In this embodiment, adopt threaded sleeve to connect the embedded bar between two sections adjacent prefabricated section roof beams specifically includes: as shown in fig. 3, the threaded sleeve 4 is completely screwed into the embedded steel bars 3 with long thread sections (the right embedded steel bars 3 shown in fig. 3), after the embedded steel bars 3 corresponding to the two precast-section beams are installed in place, the threaded sleeve 3 is screwed in the opposite direction, that is, to the left, as shown in fig. 4, two ends of the threaded sleeve 4 are respectively sleeved on the two embedded steel bars 3, so as to complete the connection and installation of the steel bars; after the threaded sleeve 4 is screwed in the opposite direction, the length of the threaded sleeve 4 sleeved on the two embedded steel bars 3 is measured and detected, so that the beam butt joint preset requirement is met, the beam butt joint preset requirement can be determined according to actual conditions, for example, the length of the threaded sleeve 4 sleeved on the two embedded steel bars 3 is equal, the beam butt joint preset requirement in the embodiment is not limited, the length of the embedded steel bars 3 implanted into the threaded sleeve 4 is controlled during installation, and the embedded steel bars 3 are ensured to be connected firmly and reliably. Wherein, the embedded steel bar 3 between two adjacent sections of prefabricated section roof beams corresponds two tip of butt joint, and the screw thread section of the corresponding tip of one of them embedded steel bar 3 is longer than the screw thread section of the corresponding tip of another embedded steel bar 3.
In this embodiment, adopt threaded sleeve to connect the embedded bar between two sections adjacent prefabricated section posts and specifically include: as shown in fig. 3, the threaded sleeve 4 is completely screwed into the embedded steel bars 3 with long thread sections (the right embedded steel bars 3 shown in fig. 3), after the embedded steel bars 3 corresponding to the two prefabricated section columns are installed in place, the threaded sleeve 4 is screwed in the opposite direction, namely, to the left, as shown in fig. 4, two ends of the threaded sleeve 4 are respectively sleeved on the two embedded steel bars 3, so as to complete the connection and installation of the steel bars; after screwing the threaded sleeve 4 in the opposite direction, the length of the threaded sleeve 4 sleeved on the two embedded steel bars 3 is measured and detected, so that the length of the threaded sleeve 4 sleeved on the two embedded steel bars 3 meets the preset requirement of column butt joint, the preset requirement of column butt joint can be determined according to actual conditions, for example, the length of the threaded sleeve 4 sleeved on the two embedded steel bars 3 is equal, the preset requirement of column butt joint is not limited in the embodiment, the length of the embedded steel bars 3 implanted into the threaded sleeve 4 is controlled during installation, and the embedded steel bars 3 are ensured to be firmly and reliably connected. Wherein, the embedded steel bar 3 between two adjacent sections of prefabricated section posts corresponds two tip of butt joint, and the screw thread section of the corresponding tip of one of them embedded steel bar 3 is longer than the screw thread section of the corresponding tip of another embedded steel bar 3.
In summary, in the semi-fabricated construction method for a concrete structure provided by this embodiment, the beam of the concrete structure is fabricated by a prefabricating method and assembled on site; when the prefabricated section beam and the prefabricated section column are assembled on site, the embedded steel bars are connected by adopting a straight threaded sleeve connection method, the threaded sleeve is lengthened, the length of the embedded steel bars implanted into the threaded sleeve is controlled during installation, and the steel bars are ensured to be connected firmly and reliably; the connecting part of the steel bars is assembled on site by the precast section beams and the precast section columns, cast-in-place concrete is adopted for pouring, the connection between the beams and the connection between the columns are realized, the concrete strength is also improved by one grade, and the problems that the existing reinforced concrete structure is difficult to install, has large difficulty and is difficult to control the quality are solved, and meanwhile, the invention at least has the following advantages:
firstly, the field assembly connection technology after the prefabricated section beam and the prefabricated section column are prefabricated is simple and easy to operate, convenient to construct and easy to control the quality;
secondly, the consumption of field high-altitude operation and turnover materials is reduced, the workload is reduced, and the construction progress is accelerated.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A concrete structure semi-fabricated construction method is characterized by comprising the following steps:
prefabricating and processing a frame beam and a frame column by adopting a segmented prefabricating construction mode to obtain a prefabricated section beam and a prefabricated section column, wherein pre-buried steel bars are pre-embedded in the prefabricated section beam and the prefabricated section column during prefabricating and are convexly arranged on the prefabricated section beam or the prefabricated section column, and external threads are arranged on the prefabricated section beam or the prefabricated section column;
connecting the embedded steel bars on two adjacent sections of the precast section beams by using a threaded sleeve, pouring concrete in the butt joint section between the precast section beams to form a beam connection pouring section, connecting the embedded steel bars of two adjacent sections of the precast section columns by using a threaded sleeve, pouring concrete in the butt joint section between the precast section columns to form a column connection pouring section, and butting the precast section beams and the precast section columns to obtain a concrete structure.
2. The semi-fabricated construction method of a concrete structure according to claim 1, wherein the connecting of the embedded steel bars between two adjacent prefabricated section beams by a threaded sleeve specifically comprises:
the threaded sleeve is completely screwed into the embedded steel bars with long thread sections, and after the embedded steel bars corresponding to the two precast section beams are installed in place, the threaded sleeve is screwed in the opposite direction, so that the two ends of the threaded sleeve are respectively sleeved on the two embedded steel bars, and the connection and installation of the steel bars are completed; and the thread section of the corresponding end part of one embedded steel bar is longer than that of the corresponding end part of the other embedded steel bar.
3. The semi-fabricated construction method of a concrete structure according to claim 2,
and after the threaded sleeve is screwed in the opposite direction, measuring and detecting the length of the threaded sleeve sleeved on the two embedded steel bars, so that the threaded sleeve meets the preset requirement of beam butt joint.
4. The concrete structure semi-fabricated construction method according to any one of claims 1 to 3, wherein the connecting of the embedded steel bars between two adjacent prefabricated section columns by a threaded sleeve specifically comprises:
the threaded sleeve is completely screwed into the embedded steel bars with long thread sections, and after the embedded steel bars corresponding to the two prefabricated section columns are installed in place, the threaded sleeve is screwed in the opposite direction, so that the two ends of the threaded sleeve are respectively sleeved on the two embedded steel bars, and the connection and installation of the steel bars are completed; and the thread section of the corresponding end part of one embedded steel bar is longer than that of the corresponding end part of the other embedded steel bar.
5. The semi-fabricated construction method of a concrete structure according to claim 4,
and after the threaded sleeve is screwed in the opposite direction, measuring and detecting the length of the threaded sleeve sleeved on the two embedded steel bars, so that the length meets the preset requirement of column butt joint.
6. The concrete structure semi-fabricated construction method according to any one of claims 1 to 3, wherein the concrete pouring of the butt joint section between the precast section beams specifically comprises:
and (4) performing formwork erecting construction on the butt joint sections between the prefabricated section beams, and pouring concrete after the templates are installed to be qualified so as to complete the connection construction of the frame beams.
7. The method for constructing a concrete structure in a semi-fabricated mode according to claim 6, wherein the concrete pouring of the butt joint section between the prefabricated section columns specifically comprises the following steps:
and (4) performing formwork construction on the butt joint sections between the prefabricated section columns, and pouring concrete after the templates are installed to be qualified so as to complete the connection construction of the frame columns.
8. The concrete structure semi-fabricated construction method according to any one of claims 1 to 3,
the prefabricated section beam is provided with a plurality of embedded steel bars, each embedded steel bar is positioned on each end part of the same side of the prefabricated section beam, a long thread section is arranged on part of the embedded steel bars, and a short thread section is arranged on part of the embedded steel bars.
9. The concrete structure semi-fabricated construction method according to any one of claims 1 to 3,
the prefabricated section column is provided with a plurality of embedded steel bars, each embedded steel bar is positioned at each end part of the same side of the prefabricated section beam, a long thread section is arranged on part of the embedded steel bars, and a short thread section is arranged on part of the embedded steel bars.
10. The concrete structure semi-fabricated construction method according to any one of claims 1 to 3,
the prefabricated section beam is transversely arranged at the end part of the prefabricated section column to form a T-shaped structure, and the T-shaped structure is formed by integral pouring.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203097016U (en) * | 2013-03-08 | 2013-07-31 | 沈阳建筑大学建筑设计研究院 | Assembled-type concrete frame shear wall structure |
| CN203361351U (en) * | 2013-04-24 | 2013-12-25 | 中国二十冶集团有限公司 | Novel straight threaded sleeve type welding beam joint structure |
| CN105839851A (en) * | 2016-04-13 | 2016-08-10 | 江苏华江建设集团有限公司 | Construction method of prefabricated frame column formed by using split connection |
| CN108331158A (en) * | 2018-01-25 | 2018-07-27 | 浙江大学建筑设计研究院有限公司 | A kind of joint connection in site method of precast reinforced concrete beam column |
| CN108643367A (en) * | 2018-05-18 | 2018-10-12 | 中石化广州工程有限公司 | A kind of connection structure of precast reinforced concrete beam column and connection method |
| CN108775114A (en) * | 2018-07-09 | 2018-11-09 | 东南大学 | The prefabrication and assembly construction beam column built from concrete connection structure and method of steel concrete supporting |
| CN112878487A (en) * | 2021-02-20 | 2021-06-01 | 东北林业大学 | Recombined bamboo beam column concrete node frame with built-in steel bars and construction method |
-
2022
- 2022-03-24 CN CN202210295721.4A patent/CN114753634A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203097016U (en) * | 2013-03-08 | 2013-07-31 | 沈阳建筑大学建筑设计研究院 | Assembled-type concrete frame shear wall structure |
| CN203361351U (en) * | 2013-04-24 | 2013-12-25 | 中国二十冶集团有限公司 | Novel straight threaded sleeve type welding beam joint structure |
| CN105839851A (en) * | 2016-04-13 | 2016-08-10 | 江苏华江建设集团有限公司 | Construction method of prefabricated frame column formed by using split connection |
| CN108331158A (en) * | 2018-01-25 | 2018-07-27 | 浙江大学建筑设计研究院有限公司 | A kind of joint connection in site method of precast reinforced concrete beam column |
| CN108643367A (en) * | 2018-05-18 | 2018-10-12 | 中石化广州工程有限公司 | A kind of connection structure of precast reinforced concrete beam column and connection method |
| CN108775114A (en) * | 2018-07-09 | 2018-11-09 | 东南大学 | The prefabrication and assembly construction beam column built from concrete connection structure and method of steel concrete supporting |
| CN112878487A (en) * | 2021-02-20 | 2021-06-01 | 东北林业大学 | Recombined bamboo beam column concrete node frame with built-in steel bars and construction method |
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