CN115573597A - Fully-assembled concrete canopy and construction method thereof - Google Patents
Fully-assembled concrete canopy and construction method thereof Download PDFInfo
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- CN115573597A CN115573597A CN202211361791.1A CN202211361791A CN115573597A CN 115573597 A CN115573597 A CN 115573597A CN 202211361791 A CN202211361791 A CN 202211361791A CN 115573597 A CN115573597 A CN 115573597A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H1/00—Buildings or groups of buildings for dwelling or office purposes; General layout, e.g. modular co-ordination or staggered storeys
- E04H1/12—Small buildings or other erections for limited occupation, erected in the open air or arranged in buildings, e.g. kiosks, waiting shelters for bus stops or for filling stations, roofs for railway platforms, watchmen's huts or dressing cubicles
- E04H1/1205—Small buildings erected in the open air
- E04H1/1211—Waiting shelters for bus stops
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
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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
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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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
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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
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
Abstract
The invention relates to the technical field of concrete canopy buildings, in particular to a fully-assembled concrete canopy and a construction method thereof. Prefabricated rim of a cup basis, the concrete column, cantilever beam and top structure, transport afterwards to the job site and carry out the assembled installation and can accomplish holistic buildding, the relative ratio is in cast in situ concrete's construction method, the construction procedure can effectively be simplified on the one hand to the full assembled concrete canopy, need not to use various templates frequently and pour, can reduce the use of manpower simultaneously by a wide margin, improve the problem of cast in situ concrete canopy construction complex operation among the correlation technique, on the other hand only can produce a small amount of rubbish after the construction, more green.
Description
Technical Field
The invention relates to the technical field of concrete canopy buildings, in particular to a fully-assembled concrete canopy and a construction method thereof.
Background
The platform rain shed of the passenger station mainly comprises a steel structure rain shed mainly comprising a space net rack and a membrane structure and a cast-in-place concrete structure rain shed. The steel structure canopy has the defects of easy rusting, poor wind resistance of a roof, serious train flutter through wind and the like in the actual use process. In the recent construction of medium and small railway passenger stations, the platform canopy has generally adopted a cast-in-place concrete structure.
Cast in situ concrete structure canopy can effectively improve above-mentioned problem and the defect that steel construction canopy appears after the construction is built and is accomplished, nevertheless it in the work progress, need use a large amount of manpowers frequently to pour various templates on the one hand, on the other hand and before the station cross operation many, the individual layer structure scaffold frame quantity is big, the loaded down with trivial details total construction cost that leads to of construction height.
Disclosure of Invention
Therefore, the invention provides a fully-assembled concrete canopy and a construction method thereof in order to solve the problem of complicated construction operation of a cast-in-place concrete canopy in the related art.
In a first aspect, the application provides a full assembled concrete canopy, including a plurality of canopy units, the canopy unit includes rim of a cup basis, concrete column, cantilever beam and top structure, the rim of a cup basis include the base and with base fixed connection's rim of a cup seat, it is used for the cooperation to have in the rim of a cup seat the rim of a cup chamber of concrete column, the one end of concrete column is installed the rim of a cup intracavity and with rim of a cup seat fixed connection, the cantilever beam is installed the concrete column is kept away from the one end on rim of a cup basis, the top structure overlap joint is installed on the cantilever beam, the rim of a cup basis the concrete column the cantilever beam and the top structure is precast concrete spare.
Furthermore, a connecting sleeve is embedded at the bottom of the cup seat, and a connecting steel bar used for matching with the connecting sleeve is embedded below the concrete column.
Further, the cantilever beam includes the roof beam body, roof beam body width direction's both sides have and are used for cooperating the corbel of superstructure, the superstructure includes the overlap joint and is in the boundary beam board, medium plate and the well roof beam of corbel.
Further, the recess that is used for the cooperation is seted up at roof beam body length direction's both ends the boundary beam board, the boundary beam board include the bottom plate and with be located bottom plate one side and with bottom plate fixed connection's side piece, the bottom plate with the bracket butt, the pre-buried reinforcing bar that has in side piece length direction's both ends, the reinforcing bar of side piece with the recess butt, pre-buried a plurality of groove reinforcing bars in the recess, the reinforcing bar butt of side piece is in on the groove reinforcing bar.
Furthermore, the middle part undercut of bracket is formed with and is used for the installation the overlap joint groove of center sill, the both ends overlap joint of center sill length direction is in the overlap joint groove.
Furthermore, reinforcing steel bars are pre-embedded at two ends of the middle beam in the length direction, a connecting groove is formed above the lapping groove of the beam body, a plurality of transverse reinforcing steel bars which are parallel to each other are pre-embedded in the connecting groove, and the reinforcing steel bars at two ends of the middle beam are lapped in the transverse reinforcing steel bars.
Furthermore, a plurality of through holes are formed in the lap joint groove, the axis of the through hole of the lap joint groove is vertically arranged, a plurality of longitudinal short steel bars are pre-embedded at one end of the concrete column connected with the cantilever beam, and the longitudinal short steel bars penetrate through the through hole of the lap joint groove.
Furthermore, a plurality of longitudinal long steel bars are pre-buried at one end of the concrete column connected with the cantilever beam, a plurality of through holes are formed in the connecting grooves, the axis of each through hole of each connecting groove is vertically arranged, the longitudinal long steel bars penetrate through the through holes of the connecting grooves, and the longitudinal long steel bars penetrate through the through holes of the overlapping grooves and then are located between the transverse steel bars of the connecting grooves.
In a second aspect, the present application provides a construction method of a fully assembled concrete canopy, comprising the following steps:
s1: prefabricating a cup foundation, a concrete column, a cantilever beam, a side beam plate, a middle plate and a middle beam;
s2: measuring and positioning the position of the cup rim foundation, hoisting the cup rim foundation to the positioning position, and performing chiseling treatment on the contact surface of the cup rim foundation and the concrete column;
s3: hoisting the concrete column to the upper part of the cup-mouth foundation and inserting the concrete column into the cup-mouth foundation, then correcting the verticality of the concrete column, fixing the concrete column by adopting a hard wood wedge or a steel wedge, and adding an inclined strut to keep the position of the concrete column stable;
s4: hoisting the cantilever beam to the upper part of the concrete column, adjusting the position of the cantilever beam to enable the through hole of the cantilever beam connecting groove to be aligned with the longitudinal long steel bar of the concrete column, enabling the through hole of the overlapping groove to be aligned with the longitudinal short steel bar of the concrete column, installing the cantilever beam on the concrete column, and checking the elevation of the cantilever beam;
s5: hoisting a middle beam and positioning and overlapping the middle beam in an overlapping groove of the cantilever beam, hoisting middle plates on the left side and the right side and positioning and installing the middle plates on the left side and the right side and overlapping the middle plates on the bracket of the cantilever beam, and overlapping side beam plates on the left side and the right side on the bracket of the cantilever beam so that reinforcing steel bars of the side beam plates are overlapped on groove reinforcing steel bars of the cantilever beam;
s6: and reserving post-pouring sections at the joints of the middle beam, the side beam plates and the cantilever beam, and pouring all the connecting nodes.
Further, the S3 further includes: and after the position of the concrete column is stable, the lifting hook is removed, then concrete is poured at the joint of the cup foundation and the concrete column, the hard wood wedge or the steel wedge is removed after the poured concrete is hardened, secondary concrete is poured, and the inclined strut is removed after the concrete at the joint of the cup foundation and the concrete column reaches the designed strength.
Compared with the prior art, the technical scheme of the invention has the following advantages:
1. when the fully-assembled concrete canopy is constructed, the cup mouth foundation, the concrete column, the cantilever beam and the top structure are prefabricated, and then the concrete canopy is transported to a construction site to be assembled and installed, so that the whole construction can be completed;
2. the cantilever beam of the fully-assembled concrete canopy is provided with the bracket which is convenient to position and overlap, the beam body is also provided with the groove which is used for matching with the top structure side beam plate reinforcing steel bar, and the positioning installation and the subsequent pouring fixation are convenient to perform when the prefabricated part is hoisted by arranging the bracket and the groove on the beam body, so that the installation convenience of the fully-assembled concrete canopy is improved;
3. the cantilever beam of full assembled concrete canopy still is provided with the through-hole in spread groove and overlap joint groove department, sets up vertical long reinforcing bar and vertical short reinforcing bar on concrete column, can aim at the vertical long reinforcing bar and the vertical short reinforcing bar of concrete column and pack into with the through-hole on the cantilever beam when installing the cantilever beam on concrete column, makes things convenient for the location installation and the follow-up pouring of cantilever beam fixed, improves the installation convenience of full assembled concrete canopy.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of a fully assembled concrete canopy of the present application;
FIG. 2 is a partially enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic view of the mounting engagement of the cantilever beam with the roof structure of the present application;
FIG. 4 is a schematic view of the structure of the cantilever beam and the roof structure of the present application;
FIG. 5 is an enlarged partial view of portion B of FIG. 4;
fig. 6 is a schematic view of the installation and cooperation of the concrete column and the cantilever beam in the present application.
Description of reference numerals:
1. a cup rim base; 11. a base; 12. a cup holder; 2. a concrete column; 21. longitudinal long steel bars; 22. longitudinal short steel bars; 3. a cantilever beam; 31. a beam body; 311. a groove; 312. connecting grooves; 32. a bracket; 321. a lap joint groove; 4. a top structure; 41. a side beam panel; 411. a base plate; 412. a side fixing block; 42. a middle plate; 43. and (7) a middle beam.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The first embodiment is as follows:
referring to fig. 1, in a first aspect, the present application discloses a fully assembled concrete canopy, which includes a plurality of canopy units, the canopy units include a cup foundation 1, a concrete column 2, a cantilever beam 3 and a top structure 4, and the cup foundation 1, the concrete column 2, the cantilever beam 3 and the top structure 4 are all precast concrete pieces. Specifically, rim of a cup basis 1 is used for supporting concrete column 2, cantilever beam 3 and top structure 4, rim of a cup basis 1 include base 11 and with base 11 fixed connection's rim of a cup seat 12, the shape of rim of a cup seat 12 cross-section and the shape looks adaptation of concrete column 2 cross-section, have the rim of a cup chamber that is used for cooperating concrete column 2 in the rim of a cup seat 12.
The one end of 2 length direction of concrete column installs in the rim of a cup intracavity and with rim of a cup seat 12 fixed connection, the vertical setting of axis of concrete column 2, for the ease of installation, the pre-buried connecting sleeve that has in bottom of rim of a cup seat 12, concrete column 2 is used for the pre-buried connecting reinforcement that has the cooperation connecting sleeve with rim of a cup seat 12 complex one end. Through setting up connecting sleeve and connecting reinforcement, be convenient for concrete column 2 fix a position and follow-up fixed when packing into. In order to meet the lap joint position and the joint rate of the reinforcing steel bars, the bottom of the cup rim foundation 1 is specifically an I-grade joint
Referring to fig. 1 and 2, in order to facilitate mounting and positioning of the side sill 41, the beam body 31 is formed with recesses 311 at both ends in the longitudinal direction thereof. Correspondingly, a plurality of reinforcing steel bars are embedded at the two ends of the side blocks in the length direction, and when the side beam plate 41 is installed, the reinforcing steel bars of the side blocks are overlapped in the grooves 311 of the beam body 31. Due to the limit of the groove 311, the edge beam plate 41 is not easy to slide from the cantilever beam 3 after being hoisted, so that the edge beam plate 41 is convenient to position and mount. Meanwhile, the groove 311 is provided with a plurality of groove steel bars along the length direction, when the steel bars are lapped in the groove 311, the steel bars are lapped above the groove steel bars, and the groove steel bars are arranged, so that the follow-up cast-in-place fixation of the side beam plate 41 and the cantilever beam 3 is facilitated.
The middle plate 42 is rectangular, two ends of the middle plate 42 in the length direction are connected to the bracket 32, and the middle plate 42 may be a concrete precast slab. After the middle plate 42 is installed, the side of the middle plate 42 abuts against the side of the bottom plate 411 away from the side blocks, and the upper surface of the middle plate 42 is flush with the upper surface of the bottom plate 411.
Referring to fig. 3 to 5, in addition, the roof structure 4 further includes a middle beam 43 mounted on the cantilever beam 3, in order to facilitate mounting and positioning of the middle beam 43, a middle portion of the corbel 32 is recessed downward to form a lap joint groove 321 for matching with the middle beam 43, both ends of the middle beam 43 in the lap joint groove 321 in the lap joint direction are connected in the lap joint groove 321, and after the middle beam 43 is lapped in the lap joint groove 321, the upper surface of the middle beam 43 is flush with the upper surface of the middle plate 42. In order to fix the middle beam 43, a plurality of times of reinforcing steel bars are pre-embedded at two ends of the middle beam 43 in the length direction, and correspondingly, a matching groove is formed above the lapping groove 321 of the cantilever beam 3, and a plurality of parallel transverse reinforcing steel bars are pre-embedded in the matching groove. After the middle beam 43 is installed, the secondary steel bars of the middle beam 43 penetrate through the transverse steel bars, and then the secondary steel bars and the transverse steel bars are integrally cast in situ, so that the middle beam 43 can be fixed on the cantilever beam 3.
Referring to fig. 6, in addition, in order to further improve the installation convenience of full assembled concrete canopy, still seted up a plurality of through-holes in the overlap joint groove 321, the vertical setting of through-hole axis of overlap joint groove 321, the one end that concrete column 2 and cantilever beam 3 are connected is pre-buried to have a plurality of vertical short steel bars 22, and the through-hole of overlap joint groove 321 is worn to locate by a plurality of vertical short steel bars 22. Meanwhile, a plurality of longitudinal long steel bars 21 are embedded in one end, connected with the cantilever beam 3, of the concrete column 2, a plurality of through holes are formed in the connecting groove 312, the axis of the through hole of the connecting groove 312 is vertically arranged, the longitudinal long steel bars 21 penetrate through the through hole of the connecting groove 312, and the longitudinal long steel bars 21 penetrate through the through hole of the overlapping groove 321 and then are located between the transverse steel bars of the connecting groove 312. Through set up the through-hole in spread groove 312 and overlap joint groove 321 department, set up vertical long reinforcing bar 21 and vertical short reinforcing bar 22 on concrete column 2, can aim at the vertical long reinforcing bar 21 and the vertical short reinforcing bar 22 of concrete column 2 and pack into with the through-hole on the cantilever beam 3 when installing cantilever beam 3 on concrete column 2, make things convenient for the location installation and the follow-up pouring of cantilever beam 3 fixed, improve the installation convenience of full assembled concrete canopy.
The second embodiment:
in a second aspect, the application further discloses a construction method of the fully-assembled concrete canopy, which comprises the following steps:
s1: prefabricating a cup foundation 1, a concrete column 2, a cantilever beam 3, a side beam plate 41, a middle plate 42 and a middle beam 43;
specifically, the cup foundation 1, the concrete column 2, the cantilever beam 3, the edge beam plate 41, the middle plate 42, and the middle beam 43 are manufactured in advance and then transported to a construction site.
S2: measuring and positioning the position of the cup rim foundation 1, hoisting the cup rim foundation 1 to a positioning position, and performing chiseling treatment on the contact surface of the cup rim foundation 1 and the concrete column 2;
specifically, measure and fix a position the concrete position of rim of a cup basis 1 at the job site, hoist rim of a cup basis 1 afterwards to the position below and fix, fix behind the rim of a cup basis 1 and carry out the chisel hair processing to the rim of a cup seat 12 inner wall of rim of a cup basis 1, the purpose of carrying out the chisel hair processing is to increase the frictional force of rim of a cup basis 1 and concrete column 2, the installation of follow-up concrete column 2 and rim of a cup basis 1 of being convenient for.
S3: hoisting the concrete column 2 to the position above the cup-rim foundation 1 and inserting the concrete column 2 into the cup-rim foundation 1, then correcting the verticality of the concrete column 2, fixing the concrete column 2 by adopting a hard wood wedge or a steel wedge, and adding an inclined strut to keep the position of the concrete column 2 stable;
specifically, the concrete column 2 is hoisted to the position above the cup-mouth foundation 1 and the position is adjusted, the concrete column 2 is inserted into the cup-mouth seat 12 of the cup-mouth foundation 1 and the position is adjusted, after the verticality of the concrete column 2 is corrected, a hard wood wedge or a steel wedge is adopted for fixing, a diagonal brace is added for keeping the position of the concrete column 2 stable, a lifting hook is removed after the position of the concrete column 2 is stable, concrete is poured at the joint of the cup-mouth foundation 1 and the concrete column 2, the hard wood wedge or the steel wedge is removed after the poured concrete is hardened, secondary concrete is poured, the diagonal brace is removed after the concrete at the joint of the cup-mouth foundation 1 and the concrete column 2 reaches the design strength, and particularly the diagonal brace is removed after 75% of the design strength is reached. Through pouring secondary concrete, the connection strength of the concrete column 2 and the cup rim foundation 1 is increased, so that the connection between the concrete column 2 and the cup rim foundation 1 is firmer.
S4: hoisting the cantilever beam 3 to the upper part of the concrete column 2, adjusting the position of the cantilever beam 3 to ensure that the through hole of the connecting groove 312 of the cantilever beam 3 is aligned with the longitudinal long steel bar 21 of the concrete column 2, the through hole of the lap joint groove 321 is aligned with the longitudinal short steel bar 22 of the concrete column 2, installing the cantilever beam 3 on the concrete column 2, and checking the elevation of the cantilever beam 3;
specifically, the cantilever beam 3 is hoisted by using a crane and the position is adjusted, so that the through holes of the connecting groove 312 and the lap joint groove 321 are aligned with the longitudinal long steel bar 21 and the longitudinal short steel bar 22 of the downward concrete column 2, the longitudinal long steel bar 21 and the longitudinal short steel bar 22 pass through the through holes of the cantilever beam 3 to the top, anchor bolts are anchored, and then re-measurement and check are carried out to ensure that the elevation of the cantilever beam is accurate;
s5: hoisting a middle beam 43 and positioning and overlapping the middle beam in an overlapping groove 321 of the cantilever beam 3, hoisting middle plates 42 at the left side and the right side and positioning, installing and overlapping the middle plates on a bracket 32 of the cantilever beam 3, overlapping edge beam plates 41 at the left side and the right side on the bracket 32 of the cantilever beam 3 and overlapping reinforcing steel bars of the edge beam plates 41 on groove reinforcing steel bars of the cantilever beam 3;
s6: and reserving post-cast sections at the joints of the middle beam 43, the side beam plate 41 and the cantilever beam 3, and finally casting each connecting node.
Specifically, after-pouring sections are reserved at the connecting positions of the middle beam 43 and the side beam plates 41 for hoisting the middle beam 43 and the side beam plates 41 to the cantilever beam and between the middle beam 43 and the cantilever beam 3, the middle beam 43 and the side beam plates 41 can deform due to temperature change, and the occurrence of cracking caused by deformation can be effectively reduced by reserving the after-pouring sections. And finally, pouring and fixing the connecting joint of the concrete column 2 and the connecting groove 312, the connecting joint of the edge beam plate 41 and the groove 311 of the beam body 31, and the connecting joint of the middle beam 43 and the lapping groove 321.
And repeating the steps to complete the construction of the next canopy unit until the construction of the canopy is completed.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications derived therefrom are intended to be within the scope of the invention.
Claims (10)
1. The utility model provides a full assembled concrete canopy, a serial communication port, including a plurality of canopy units, the canopy unit includes rim of a cup basis (1), concrete column (2), cantilever beam (3) and top structure (4), rim of a cup basis (1) include base (11) and with base (11) fixed connection's rim of a cup seat (12), it is used for the cooperation to have in rim of a cup seat (12) the rim of a cup chamber of concrete column (2), the one end of concrete column (2) is installed the rim of a cup intracavity and with rim of a cup seat (12) fixed connection, install cantilever beam (3) concrete column (2) are kept away from the one end of rim of a cup basis (1), top structure (4) overlap joint is installed on cantilever beam (3), rim of a cup basis (1) concrete beam (2) and top structure (4) are precast concrete spare.
2. The fully assembled concrete canopy according to claim 1, wherein a connecting sleeve is embedded in the bottom of the cup seat (12), and a connecting steel bar for matching with the connecting sleeve is embedded below the concrete column (2).
3. A fully assembled concrete canopy according to claim 1 or 2, wherein the outriggers (3) comprise beams (31), wherein the beams (31) have brackets (32) at both sides in the width direction for engaging the roof structure (4), and wherein the roof structure (4) comprises side beam plates (41), a middle plate (42) and a middle beam (43) overlapping the brackets (32).
4. The fully assembled concrete canopy according to claim 3, wherein two ends of the beam body (31) in the length direction are provided with grooves (311) for matching with the side beam plates (41), each side beam plate (41) comprises a bottom plate (411) and a side block which is located on one side of the bottom plate (411) and fixedly connected with the bottom plate (411), the bottom plate (411) is abutted to the bracket (32), reinforcing steel bars are embedded at two ends of the side block in the length direction, the reinforcing steel bars of the side block are abutted to the grooves (311), a plurality of groove reinforcing steel bars are embedded in the grooves (311), and the reinforcing steel bars of the side block are abutted to the groove reinforcing steel bars.
5. A fully assembled concrete canopy according to claim 3, wherein the middle of the corbel (32) is recessed downward to form a lap groove (321) for installing the center sill (43), and both ends of the center sill (43) in the length direction are overlapped in the lap groove (321).
6. The fully assembled concrete canopy according to claim 5, wherein reinforcing steel bars are pre-embedded at two ends of the middle beam (43) in the length direction, the beam body (31) is provided with a connecting groove (312) above the overlapping groove (321), a plurality of parallel transverse reinforcing steel bars are pre-embedded in the connecting groove (312), and the reinforcing steel bars at two ends of the middle beam (43) are overlapped in the plurality of transverse reinforcing steel bars.
7. The fully assembled concrete canopy according to claim 5, wherein a plurality of through holes are formed in the overlapping groove (321), the axis of the through hole of the overlapping groove (321) is vertically arranged, a plurality of longitudinal short steel bars (22) are embedded in one end of the concrete column (2) connected with the cantilever beam (3), and the longitudinal short steel bars (22) are arranged in the through hole of the overlapping groove (321) in a penetrating manner.
8. The fully assembled concrete canopy according to claim 6, wherein a plurality of longitudinal long steel bars (21) are embedded in one end of the concrete column (2) connected with the cantilever beam (3), a plurality of through holes are formed in the connecting groove (312), the axis of the through hole of the connecting groove (312) is vertically arranged, a plurality of longitudinal long steel bars (21) are inserted into the through holes of the connecting groove (312), and a plurality of longitudinal long steel bars (21) are inserted into the through holes of the overlapping groove (321) and then positioned between the transverse steel bars of the connecting groove (312).
9. A construction method of a full-assembly type concrete canopy is characterized by comprising the following steps:
s1: prefabricating a cup mouth foundation (1), a concrete column (2), a cantilever beam (3), a side beam plate (41), a middle plate (42) and a middle beam (43);
s2: measuring and positioning the position of the cup rim foundation (1), hoisting the cup rim foundation (1) to a positioning position, and performing chiseling treatment on the contact surface of the cup rim foundation (1) and the concrete column (2);
s3: hoisting the concrete column (2) to the upper part of the cup-mouth foundation (1) and inserting the concrete column into the cup-mouth foundation (1), then correcting the verticality of the concrete column (2), fixing the concrete column (2) by adopting a hard wood wedge or a steel wedge, and adding an inclined strut to keep the position of the concrete column (2) stable;
s4: hoisting the cantilever beam (3) to the upper part of the concrete column (2), adjusting the position of the cantilever beam (3), enabling the through hole of the connecting groove (312) of the cantilever beam (3) to be aligned with the longitudinal long steel bar (21) of the concrete column (2), enabling the through hole of the lap joint groove (321) to be aligned with the longitudinal short steel bar (22) of the concrete column (2), installing the cantilever beam (3) on the concrete column (2), and checking the elevation of the cantilever beam (3);
s5: hoisting a middle beam (43) and positioning and lapping the middle beam in a lapping groove (321) of the cantilever beam (3), hoisting middle plates (42) at the left side and the right side and positioning, installing and lapping the middle plates on a bracket (32) of the cantilever beam (3), hoisting side beam plates (41) at the left side and the right side and lapping the side beam plates (41) on the bracket (32) of the cantilever beam (3) and enabling reinforcing steel bars of the side beam plates (41) to be lapped on groove reinforcing steel bars of the cantilever beam (3);
s6: and (3) reserving post-cast sections at the joints of the middle beam (43), the side beam plate (41) and the cantilever beam (3), and finally casting each connecting node.
10. The method for constructing a fully assembled concrete canopy according to claim 9, wherein the step S3 further comprises: the lifting hook is removed after the position of the concrete column (2) is stable, then concrete is poured at the joint of the cup foundation (1) and the concrete column (2), a hard wood wedge or a steel wedge is removed after the poured concrete is hardened, secondary concrete is poured, and the inclined strut is removed after the concrete at the joint of the cup foundation (1) and the concrete column (2) reaches the designed strength.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211361791.1A CN115573597B (en) | 2022-11-02 | 2022-11-02 | Fully-assembled concrete canopy and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211361791.1A CN115573597B (en) | 2022-11-02 | 2022-11-02 | Fully-assembled concrete canopy and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115573597A true CN115573597A (en) | 2023-01-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117449646A (en) * | 2023-08-18 | 2024-01-26 | 中铁建工集团有限公司 | No platform post canopy and template system thereof |
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| CN115573597B (en) | 2023-08-15 |
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