CN115370198A - Construction method and structure of assembled canopy - Google Patents
Construction method and structure of assembled canopy Download PDFInfo
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- CN115370198A CN115370198A CN202211162749.7A CN202211162749A CN115370198A CN 115370198 A CN115370198 A CN 115370198A CN 202211162749 A CN202211162749 A CN 202211162749A CN 115370198 A CN115370198 A CN 115370198A
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- 238000010276 construction Methods 0.000 title claims abstract description 41
- 239000004567 concrete Substances 0.000 claims abstract description 184
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 87
- 239000010959 steel Substances 0.000 claims abstract description 87
- 238000003466 welding Methods 0.000 claims abstract description 10
- 230000008878 coupling Effects 0.000 claims 4
- 238000010168 coupling process Methods 0.000 claims 4
- 238000005859 coupling reaction Methods 0.000 claims 4
- 238000000034 method Methods 0.000 abstract description 5
- 238000009435 building construction Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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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
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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
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/94—Protection against other undesired influences or dangers against fire
- E04B1/941—Building elements specially adapted therefor
- E04B1/943—Building elements specially adapted therefor elongated
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
- E04D13/08—Down pipes; Special clamping means therefor
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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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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The application relates to the technical field of rain shed building construction, in particular to an assembly type rain shed construction method and a structure thereof, wherein the method comprises the following steps: s1: prefabricating each component; s2: pouring a cushion layer of the bearing platform and pouring a concrete bearing platform; s3: hoisting the concrete rectangular column in place and fixing the concrete rectangular column in a cast-in-place manner; s4: hoisting the concrete tree-shaped beam in place and fixing the concrete tree-shaped beam in a cast-in-place manner; s5: completing construction of the vertical rail to the adjacent canopy columns; s7: hoisting the concrete rectangular main beam in place to support and fix the concrete rectangular main beam in a cast-in-place manner S8: completing construction of adjacent shed columns along the rail direction; s9: hoisting the steel frame to between two adjacent concrete tree-shaped beams; s10: and welding the steel main beams of the steel frame along the rail direction to the concrete tree-shaped beam column, and welding the steel secondary beams perpendicular to the rail direction between the steel main beams along the rail direction. The application of the steel and concrete combined structure can effectively reduce the dead weight of the platform canopy, so that the bearing pressure of the concrete rectangular column is reduced, and the hoisting and construction of each prefabricated part are facilitated.
Description
Technical Field
The invention relates to the technical field of rain shed building construction, in particular to an assembly type rain shed construction method and an assembly type rain shed construction structure.
Background
A rain shed needs to be erected in a railway passenger station and is used for shielding wind and rain for passengers in the passenger station and facilitating passengers to get on and off the train. In the construction process of the rain shed, a support structure is generally built first, and then a roof is installed on the support structure. The support structure is generally selected according to the specific conditions of the passenger station, for example, a construction mode of cast-in-place concrete columns is generally adopted in a small passenger station, and a construction mode of an assembly type steel structure is generally adopted in a medium-large passenger station.
In recent years, the construction efficiency can be effectively improved by the fully prefabricated assembly type construction mode, and the fully prefabricated assembly type construction method has the advantages of being strong in comprehensiveness, low in construction cost and low in maintenance cost, and has become a development trend. The construction method is to pour each member in the concrete canopy in advance, and then hoist all the precast concrete members to a construction site for alignment installation. However, in actual construction, on one hand, the prefabricated concrete member is large in size and weight, difficult to hoist and inaccurate in drop point positioning due to the fact that the prefabricated concrete member is prefabricated by integral pouring; on the other hand, as the plain concrete pouring template is mostly of an integrated structure, but the platform space is limited, the template installation is very inconvenient, especially at the top of the rain shed, the demoulding procedure is complicated after the existing integrated template is poured, the poured plain concrete surface is very easy to damage, and the construction speed and the construction quality are seriously influenced.
Disclosure of Invention
Accordingly, in order to improve the problems of the related art as described above, there are provided a fabricated rainshed construction method and a structure thereof.
In a first aspect, the present application provides a construction method of an assembly type canopy, comprising the steps of:
s1: prefabricating each component, wherein the components comprise a concrete rectangular column, a concrete tree-shaped beam column and a concrete rectangular main beam;
s2: pouring a bearing platform cushion layer on the foundation, and pouring a concrete bearing platform on the bearing platform cushion layer;
s3: hoisting the concrete rectangular column in place, and fixing the concrete rectangular column and the concrete bearing platform in a cast-in-place manner;
s4: hoisting the concrete tree-shaped beam in place for supporting, and fixing the concrete rectangular column and the concrete tree-shaped beam column in a cast-in-place manner;
s5: completing construction of the vertical rail to the adjacent canopy columns;
s7: hoisting the concrete rectangular main beam in place for supporting, and fixing the concrete rectangular main beam and the concrete tree-shaped beam column in a cast-in-place manner;
s8: completing construction of adjacent shed columns along the rail direction;
s9: hoisting the steel frame to the position between two adjacent concrete tree-shaped beams;
s10: and welding the steel main beams of the steel frame along the rail direction to the concrete tree-shaped beam column, and welding the vertical rail direction steel secondary beams between the steel main beams along the rail direction.
Further, the S2 specifically includes: when the bearing platform is poured, a plurality of connecting steel bars and a plurality of rectangular stirrups are pre-buried in the bearing platform, the connecting steel bars are located at the center of the bearing platform, and the rectangular stirrups are located around the connecting steel bars and surround the connecting steel bars.
Further, S3 specifically means that after the concrete rectangular column is hoisted in place, the concrete rectangular column and the pre-buried connecting steel bar in the center of the bearing platform are in semi-grouting sleeve connection, the concrete rectangular column and the bearing platform are bound after connection, the rectangular stirrups are poured for the second time, and the concrete rectangular column and the bearing platform are integrated.
In the second aspect, this application still discloses an assembled canopy structure, including a plurality of support element, a plurality of in the same direction as the rail to linkage element and a plurality of perpendicular rail to linkage element, the support element include the cushion cap, with the concrete rectangle post that the cushion cap is connected and with the concrete arborescent beam column that concrete rectangle post is connected, it is a plurality of the support element sets up along track length direction and perpendicular to track length direction, in the same direction as the rail to two support element that the linkage element connects along track length direction, the perpendicular rail is connected along two support element of perpendicular to track length direction to linkage element.
Further, the arborescent beam column of concrete divide into spliced pole and crossbeam, the spliced pole with concrete rectangle post connection, the crossbeam extends along the orbital direction of perpendicular to, crossbeam length direction's both ends have first curb girder and second curb girder, first curb girder and the second curb girder be used for with in the same direction as rail to the linkage unit and hang down the rail to the linkage unit connection.
Furthermore, along the rail to the linkage unit include steel frame subassembly, steel frame subassembly includes along the rail to steel main beam and perpendicular rail to steel secondary beam, first curb girder and second curb girder are pre-buried in the width direction has the reservation to connect, along the rail to the steel main beam with reservation connects fixed connection, perpendicular rail to the steel secondary beam with along rail to steel main beam fixed connection.
Furthermore, the vertical rail direction connecting unit comprises a concrete rectangular main beam, one end of the concrete rectangular main beam is connected with the first side beam of one of the supporting units, the other end of the concrete rectangular main beam is connected with the second side beam of the other supporting unit, and the first side beam and the second side beam are pre-embedded with steel bars in the length direction and provided with key grooves.
Further, the spliced pole has first connecting portion and second connecting portion, first connecting portion and second connecting portion with the crossbeam is connected, first connecting portion are close to water drainage tank has been seted up to one side of second connecting portion, second connecting portion are close to water drainage tank has been seted up to one side of first connecting portion.
Furthermore, the crossbeam has a plurality of top drain pipes, the one end and the external world intercommunication of top drain pipe, the other end of top drain pipe with the water drainage tank intercommunication.
Furthermore, the connecting column is provided with a lower end, a bottom drain pipe is pre-embedded in the lower end of the connecting column, and the bottom drain pipe is communicated with the drain tank.
Compared with the prior art, the technical scheme of the invention has the following advantages:
1. compared with a platform canopy with a fully prefabricated assembly type concrete structure, the construction method of the assembly type canopy can effectively reduce the dead weight of the platform canopy by applying the steel and concrete combined structure, so that on one hand, the bearing pressure of the concrete rectangular column is reduced, stable bearing can still be realized after the section size of the concrete rectangular column is reduced, and the integral canopy is lighter; on the other hand, the hoisting and the construction of each prefabricated component are convenient, the problems of inaccurate positioning of the falling point of the concrete slab of the fully prefabricated assembled canopy and the like are avoided, and the construction quality is favorably ensured; meanwhile, the steel frame assembly is used as a ceiling support, the steel frame assembly has the advantages of light structure, large span and high installation speed, and the on-site construction difficulty and the construction cost are greatly reduced, so that the defect of high construction difficulty in the related technology is overcome.
2. Compared with the upright post of the fabricated steel structure, the concrete rectangular post and the concrete tree-shaped beam post have the advantages of better fire resistance and small wind vibration influence; meanwhile, the concrete rectangular column and the concrete tree-shaped beam column are used as prefabricated parts, cast-in-place in a construction site is not needed, the processes of erecting a scaffold, erecting a template, binding reinforcing steel bars and pouring concrete are omitted, manpower and material resources are effectively saved, the prefabricated concrete frame can be applied to small or medium-sized passenger stations, and the application range is wide.
3. The drainage pipes are arranged in the concrete tree-shaped beam column and the concrete rectangular column, so that the drainage problem can be guaranteed when the concrete tree-shaped beam column and the concrete rectangular column are used.
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 description of the embodiments or the prior art 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 prefabricated rainshed according to the present application;
FIG. 2 is a schematic view of a support unit according to the present application;
FIG. 3 is an enlarged view of a portion A of FIG. 2;
FIG. 4 is a schematic view of the connection between the bearing platform and the concrete rectangular column;
FIG. 5 is a schematic view of the connection of a concrete rectangular column and a concrete tree beam in the present application;
FIG. 6 is a schematic view of an application of a prefabricated rainshed of the present application;
FIG. 7 is an enlarged partial view of portion B of FIG. 6;
fig. 8 is a front view of the connection between the concrete tree beam and the vertical rail connecting unit in the present application.
Description of the reference numerals:
1. a support unit; 11. a bearing platform; 111. connecting reinforcing steel bars; 112. a rectangular stirrup; 12. a concrete rectangular column; 121. a semi-grouting sleeve; 13. a concrete tree beam; 131. connecting columns; 1311. a first connection portion; 1312. a second connecting portion; 1313. a water discharge tank; 132. a cross beam; 1321. a first side member; 1322. a second side member; 1323. a top drain pipe; 1324. reserving a joint; 2. a forward rail direction connecting unit; 21. a steel main beam along the rail direction; 22. vertical rail direction steel secondary beams; 3. a vertical rail direction connecting unit; 31. a concrete rectangular main beam; 311. the sleeve is squeezed.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Furthermore, 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:
in a first aspect, the present application provides a construction method of an assembly type canopy, comprising the steps of:
s1: prefabricating each component, wherein the components comprise a concrete rectangular column 12, a concrete tree-shaped beam 13 column and a concrete rectangular main beam 31;
specifically, each component is prefabricated, and a plurality of the concrete rectangular columns 12, the concrete tree-shaped beams 13 and the concrete rectangular main beams 31 are prefabricated according to actual needs, it should be noted that in addition to the concrete rectangular columns 12, the concrete tree-shaped beams 13 and the concrete rectangular main beams 31, other components for connection, such as the half grouting sleeves 121, the extrusion sleeves 311, various types of steel bars and joints, need to be prefabricated and prepared.
S2: pouring a cushion layer of a bearing platform 11 on the foundation, and pouring a concrete bearing platform 11 on the cushion layer of the bearing platform 11;
specifically, a cushion layer of a bearing platform 11 is poured on the foundation of a construction site, and the purpose of pouring the cushion layer of the bearing platform 11 is to improve the water stability state of the soil foundation, namely to improve the water stability and frost heaving resistance of the foundation structure. In order to facilitate the connection between the concrete bearing platform 11 and the subsequent components, when the concrete bearing platform 11 is poured, the connecting steel bars 111 are embedded in the center of the concrete bearing platform 11, specifically, the connecting steel bars 111 may be distributed in a rectangular shape by taking the center of the concrete bearing platform 11 as a reference point, and the rectangular stirrups 112 are embedded in the center of the concrete bearing platform 11, and the rectangular stirrups 112 surround the connecting steel bars 111.
S3: hoisting the concrete rectangular column 12 in place, and fixing the concrete rectangular column 12 and the concrete bearing platform 11 in a cast-in-place manner;
specifically, the prefabricated concrete rectangular column 12 is hoisted to the position above the concrete bearing platform 11 and the position is adjusted, and then the concrete rectangular column 12 and the concrete bearing platform 11 are fixedly connected in a cast-in-place manner. After the concrete rectangular column 12 and the concrete bearing platform 11 are fixedly connected in a cast-in-place mode, secondary pouring is conducted on the connecting position of the concrete bearing platform 11 and the concrete rectangular column 12, all grouting sleeves need to be covered and poured in the secondary pouring mode, and the connecting strength of the concrete rectangular column 12 and the concrete bearing platform 11 can be higher through the secondary pouring.
S4: hoisting the concrete tree-shaped beam 13 in place and supporting, and fixing the concrete rectangular column 12 and the concrete tree-shaped beam 13 in a cast-in-place manner;
specifically, the prefabricated concrete tree-shaped beam 13 is hoisted to the position above the concrete rectangular column 12 and the position is adjusted, the concrete tree-shaped beam 13 is supported, and then the connecting position of the concrete rectangular column 12 and the concrete tree-shaped beam 13 is fixed in a cast-in-place manner.
S5: repeating the steps to complete the construction of the vertical rail to the adjacent canopy columns;
specifically, the above processes are repeated until all the shed columns in the passenger station along the rail direction are completed. The canopy column comprises a cushion layer, a concrete bearing platform 11 and a concrete tree-shaped beam 13.
S7: hoisting the concrete rectangular main beam 31 in place and supporting, and fixing the concrete rectangular main beam 31 and the concrete tree-shaped beam 13 column in a cast-in-place manner;
specifically, the concrete rectangular main beam 31 is hoisted in place, and then the concrete rectangular main beam 31 is supported, specifically, the concrete rectangular main beam 31 is supported by using a bracket, then a connection point between the concrete rectangular main beam 31 and the concrete tree-shaped beam 13 column is fixed in a cast-in-place manner, one end of the concrete rectangular main beam 31 is fixed with one concrete tree-shaped beam 13 column, and the other end of the concrete rectangular main beam 31 is fixed with the other concrete tree-shaped beam 13 column. After the cast-in-place fixing is completed, the support for the concrete rectangular main beam 31 is removed.
S8: completing construction of adjacent shed columns along the rail direction;
and specifically, repeating the step S7, namely hoisting the rectangular concrete main beam 31 to complete the connection between the adjacent concrete tree-shaped beams 13, and completing the construction of the adjacent canopy columns along the rail direction.
S9: hoisting the steel frame to between two adjacent concrete tree-shaped beams 13;
specifically, the steel frame assembly is hoisted to a position between two adjacent concrete tree-shaped beams 13 for prepositioning, and then the steel frame assembly is supported, so that subsequent connection is facilitated.
S10: and welding a steel main beam 21 along the rail direction of the steel frame to the concrete tree-shaped beam 13 column, and welding a steel secondary beam 22 along the rail direction between the steel main beams 21 along the rail direction.
Specifically, the steel frame assembly comprises a rail-oriented steel main beam 21 and a rail-oriented steel secondary beam 22, a reserved joint 1324 is pre-embedded in the cross beam 132 of the concrete tree-shaped beam 13 column, when two concrete tree-shaped beams 13 are connected through the steel frame assembly, one end of the rail-oriented steel main beam 21 is welded to the reserved joint 1324 of one concrete tree-shaped beam 13 column, and the other end of the rail-oriented steel main beam 21 is welded to the reserved joint 1324 of the other concrete tree-shaped beam 13 column. And after welding of the two steel main beams 21 along the rail direction is completed, welding the vertical steel secondary beam 22 to the steel main beams 21 along the rail direction, and completing installation of the steel frame assembly. And repeating the steps until the assembly type canopy is built.
S11: and (5) installing a roof.
Example two:
referring to fig. 1 and 2, the present application also discloses an assembled canopy structure, which includes a plurality of supporting units 1, a plurality of along-rail connecting units 2, and a plurality of perpendicular-rail connecting units 3. The supporting units 1 comprise bearing platforms 11, concrete rectangular columns 12 connected with the bearing platforms 11 and concrete tree-shaped beams 13 connected with the concrete rectangular columns 12, the supporting units 1 are arranged along the length direction of the track and perpendicular to the length direction of the track, the two supporting units 1 along the length direction of the track are connected along the rail direction connecting unit 2, and the two supporting units 1 perpendicular to the length direction of the track are connected along the rail direction connecting unit 3.
Referring to fig. 3 and 4, specifically, the bearing platform 11 is in a cuboid shape, the bearing platform 11 is fixed on a cushion layer of a foundation in a cast-in-place manner, and the connecting steel bars 111 and the rectangular stirrups 112 are embedded in the bearing platform 11 to facilitate the cast-in-place fixation with the concrete rectangular columns 12. The connecting steel bars 111 are located in the middle of the bearing platform 11, the connecting steel bars 111 are distributed in a rectangular shape by taking the middle of the bearing platform 11 as a reference, and the rectangular stirrups 112 surround the connecting steel bars 111. The concrete rectangular beam is substantially in a cuboid shape, one end of the concrete rectangular beam in the length direction is used for being fixed with the bearing platform 11 in a cast-in-place mode, the other end of the concrete rectangular beam in the length direction is used for being fixedly connected with the concrete tree-shaped beam 13 in the cast-in-place mode, the concrete rectangular column 12 is used for being fixedly connected with the bearing platform 11 in the cast-in-place mode, one end of the concrete rectangular column 12 is embedded with the semi-grouting sleeve 121, the semi-grouting sleeve 121 is used for being connected with the connecting stirrup in the cast-in-place mode, and meanwhile, a seam grouting layer is arranged between the semi-grouting sleeve 121 and the bearing platform 11. After the concrete rectangular beam and the bearing platform 11 are cast in place and fixed, secondary pouring is carried out to form a reinforcing platform, all the rectangular stirrups 112 are covered by the secondary pouring, and the reinforcing platform surrounds the bearing platform 11 and covers the rectangular stirrups 112. In the present embodiment, the concrete rectangular column 12 has a length of 800mm and a width of 600mm in cross section.
The concrete tree-shaped beam 13 column is divided into a connecting column 131 and a cross beam 132, the connecting column 131 is located below the concrete tree-shaped beam 13 column, and the cross beam 132 is located above the concrete tree-shaped beam 13 column. The cross section of the connecting column 131 is Y-shaped, the middle part of the connecting column 131 is hollow, the connecting column 131 is provided with a lower end and an upper end, the lower end of the connecting column 131 is connected with the concrete rectangular column 12 in a cast-in-place mode, and the lower end of the connecting column 131 and the concrete rectangular column 12 can be connected in a cast-in-place mode through a grouting sleeve. The upper end of the connecting column 131 has first and second connecting portions 1311 and 1312 on both sides thereof, the first and second connecting portions 1311 and 1312 extend from the lower end of the connecting column 131 to both sides thereof, the first and second connecting portions 1311 and 1312 have arcs, the first and second connecting portions 1311 and 1312 are connected to the cross beam 132, the cross beam 132 extends in a direction perpendicular to the rail, the cross beam 132 has first and second side beams 1321 and 1322 on both ends in the longitudinal direction thereof, and the first and second side beams 1321 and 1322 are used for connecting the forward connecting unit 2 and the vertical connecting unit 3. For positioning convenience, reinforcing steel bars are embedded in one end of the first side beam 1321, which is used for being connected with the vertical rail-direction connecting unit 3, and a key groove is formed in one end of the first side beam 1321, which is used for being connected with the vertical rail-direction connecting unit 3. Similarly, reinforcing steel bars are embedded in one end of the second side beam 1322 for connecting with the vertical rail direction connecting unit 3, and a key groove is formed in one end of the second side beam 1322 for connecting with the vertical rail direction connecting unit 3. It should be noted that the reinforcing bars on the first side beam 1321 and the second side beam 1322 are disposed along the edge of the first side beam 1321 in a long and short manner, that is, the reinforcing bars on the first side beam 1321 and the second side beam 1322 are disposed along the length direction and the width direction of the edge of the first side beam 1321 in a long and short manner, so that the purpose of the arrangement is to facilitate the connection and positioning with the vertical rail connecting unit 3, and then facilitate the subsequent cast-in-place.
Referring to fig. 5 and 6, the prefabricated rainshed needs to be drained in time when it is used in a rainfall, and for this purpose, a plurality of top drain pipes 1323 are provided in the beam 132, one end of the top drain pipes 1323 is connected to the outside, and the other end of the top drain pipes 1323 is communicated with the drain tank 1313. In this embodiment, there are two top drains 1323, one top drain 1323 is located on one side of the beam 132 in the length direction, and the other top drain 1323 is located on the other side of the beam 132 in the length direction. The top of the top drain pipe 1323 is connected to the outside for rainwater to flow in, and the bottom of the top drain pipe 1323 penetrates the cross member 132. Meanwhile, a drainage groove 1313 is formed in one side of the first connection portion 1311 close to the second connection portion 1312, a drainage groove 1313 is formed in one side of the second connection portion 1312 close to the first connection portion 1311, the drainage groove 1313 has a curvature, the top drainage pipe 1323 is communicated with the drainage groove 1313, and rainwater flowing in from the top drainage pipe 1323 enters the drainage groove 1313. To obtain better drainage, a drain may be continuously installed in the drain 1313, which is in communication with the top drain 1323. The connecting column 131 has a lower end, and a bottom drain pipe is embedded in the lower end of the connecting column 131 and is communicated with the drain channel 1313. The drain 1313 will direct the rain water to the bottom drain. The bottom drain may be in communication with a municipal drainage system, such as a drainage channel, so that rainwater may be drained in time.
Referring back to fig. 1 and 2, the down-track attachment unit 2 comprises a steel frame assembly comprising a down-track steel main beam 21 and a perpendicular-track steel sub-beam 22. The down-track steel main beam 21 is used for connecting two concrete tree beams 13. Specifically, reserved joints 1324 are pre-buried in the width direction of the first side beam 1321 and the second side beam 1322, four reserved joints 1324 are pre-buried in one concrete tree-shaped beam 13 column, two reserved joints 1324 are located on one side of the concrete tree-shaped beam 13 column in the width direction, and the other two reserved joints 1324 are located on the other side of the concrete tree-shaped beam 13 column in the width direction. The forward steel girder 21 is fixedly connected with the reserved joint 1324, and may be welded specifically. The vertical rail is fixedly connected with the longitudinal steel secondary beam main beam through the vertical rail secondary beam 22, and can be welded specifically, the vertical rail has a bending radian towards the steel secondary beam 22, and the bending radian of the vertical rail towards the steel secondary beam 22 is the same as that of the concrete rectangular column 12. The supporting unit 1 is connected with the steel main beam 21 in the rail direction and the steel secondary beam 22 in the vertical rail direction, and meanwhile, the supporting unit is used as a main bearing structure of a canopy structure, so that the structure is compact, the installation is simple and convenient, the supporting strength is sufficient, and the supporting unit can be used for a long time.
Referring to fig. 7 and 8, the vertical rail connecting unit 3 includes a concrete rectangular main beam 31, one end of the concrete rectangular main beam 31 is connected to the first side beam 1321 of one of the supporting units 1, and the other end of the concrete rectangular main beam 31 is connected to the second side beam 1322 of the other supporting unit 1. In order to facilitate positioning and connection, reinforcing steel bars are embedded in the two ends of the rectangular concrete main beam 31 in the length direction, and key grooves are formed in the two ends of the rectangular concrete main beam 31, and the two ends of the rectangular concrete main beam 31 are connected with the corresponding cross beams 132 through extrusion sleeves 311. The embedded steel bars at the two ends of the rectangular concrete main beam 31 in the length direction correspond to the steel bars of the first side beam 1321 and the second side beam 1322, i.e. the steel bars on the rectangular concrete column 12 main beam are arranged at intervals in length along the length direction of the edge, so that the extrusion sleeve 311 is convenient to connect, position, install and use.
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 construction method of the assembled canopy is characterized by comprising the following steps:
s1: prefabricating each component, wherein the component comprises a concrete rectangular column (12), a concrete tree-shaped beam (13) column and a concrete rectangular main beam (31);
s2: pouring a cushion layer of a bearing platform (11) on the foundation, and pouring a concrete bearing platform (11) on the cushion layer of the bearing platform (11);
s3: hoisting the concrete rectangular column (12) in place, and fixing the concrete rectangular column (12) and the concrete bearing platform (11) in a cast-in-place manner;
s4: hoisting the concrete tree-shaped beam (13) in place for supporting, and fixing the concrete rectangular column (12) and the concrete tree-shaped beam (13) column in a cast-in-place manner;
s5: completing construction of the vertical rail to the adjacent canopy columns;
s7: hoisting the concrete rectangular main beam (31) in place for supporting, and fixing the concrete rectangular main beam (31) and the concrete tree-shaped beam (13) column in a cast-in-place manner;
s8: completing construction of adjacent canopy columns along the rail direction;
s9: hoisting the steel frame to the position between two adjacent concrete tree-shaped beams (13);
s10: and welding the steel main beams (21) of the steel frame along the rail direction to the concrete tree-shaped beam (13) column, and welding the steel secondary beams (22) along the rail direction between the steel main beams (21).
2. The assembly type canopy construction method according to claim 1, wherein the S2 specifically comprises: when a bearing platform (11) is poured, a plurality of connecting steel bars (111) and a plurality of rectangular stirrups (112) are pre-buried in the bearing platform (11), the connecting steel bars (111) are located at the center of the bearing platform (11), and the rectangular stirrups (112) are located on the periphery of the connecting steel bars (111) and surround the connecting steel bars (111).
3. The assembly type canopy construction method according to claim 2, wherein S3 is specifically that after the concrete rectangular column (12) is hoisted in place, the concrete rectangular column (12) is connected with a half grouting sleeve (121) of a connecting steel bar (111) pre-embedded in the center of the bearing platform (11), after the concrete rectangular column (12) is connected with the bearing platform (11), the rectangular stirrups (112) are bound, and concrete is poured for the second time, so that the concrete rectangular column (12) and the bearing platform (11) are integrated.
4. The utility model provides an assembled canopy structure, its characterized in that includes a plurality of supporting element (1), a plurality of in the same direction as rail to coupling element (2) and a plurality of perpendicular rail to coupling element (3), supporting element (1) including cushion cap (11), with concrete rectangular column (12) that cushion cap (11) are connected and with concrete arborescent roof beam (13) post that concrete rectangular column (12) are connected, a plurality of supporting element (1) set up along track length direction and perpendicular to track length direction, connect two supporting element (1) along track length direction in the same direction as rail to coupling element (2), two supporting element (1) along perpendicular to track length direction are connected to coupling element (3) to perpendicular rail.
5. A fabricated canopy structure according to claim 4, wherein the concrete treelike beam (13) column is divided into a connection column (131) and a cross beam (132), the connection column (131) is connected with the concrete rectangular column (12), the cross beam (132) extends in a direction perpendicular to the track, both ends of the cross beam (132) in the length direction are provided with a first side beam (1321) and a second side beam (1322), and the first side beam (1321) and the second side beam (1322) are used for connecting with the forward-track connecting unit (2) and the vertical-track connecting unit (3).
6. An assembled canopy structure according to claim 5, wherein the in-track connecting unit (2) comprises a steel frame assembly, the steel frame assembly comprises an in-track steel main beam (21) and a vertical in-track steel secondary beam (22), the first side beam (1321) and the second side beam (1322) are pre-embedded with a reserved joint (1324) in the width direction, the in-track steel main beam (21) is fixedly connected with the reserved joint (1324), and the vertical in-track steel secondary beam (22) is fixedly connected with the in-track steel main beam (21).
7. A fabricated canopy structure according to any one of claims 4-6, wherein the vertical rail-oriented connecting unit (3) comprises a concrete rectangular main beam (31), one end of the concrete rectangular main beam (31) is connected with a first side beam (1321) of one of the supporting units (1), the other end of the concrete rectangular main beam (31) is connected with a second side beam (1322) of the other supporting unit (1), and the first side beam (1321) and the second side beam (1322) are embedded with steel bars and provided with key grooves in the length direction.
8. An assembled canopy structure according to claim 5, wherein the connecting column (131) has a first connecting portion (1311) and a second connecting portion (1312), the first connecting portion (1311) and the second connecting portion (1312) are connected to the cross beam (132), a drainage channel (1313) is opened at one side of the first connecting portion (1311) close to the second connecting portion (1312), and a drainage channel (1313) is opened at one side of the second connecting portion (1312) close to the first connecting portion (1311).
9. A fabricated rainshed structure as in claim 8, wherein the beam (132) has a plurality of top drains (1323), one end of the top drains (1323) communicating with the outside, the other end of the top drains (1323) communicating with the drainage channel (1313).
10. A fabricated rainshed structure as claimed in claim 8, wherein the connecting column (131) has a lower end, and a bottom drain pipe is embedded in the lower end of the connecting column (131), and the bottom drain pipe is communicated with the drain tank (1313).
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| CN202211162749.7A CN115370198A (en) | 2022-09-23 | 2022-09-23 | Construction method and structure of assembled canopy |
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| CN202211162749.7A CN115370198A (en) | 2022-09-23 | 2022-09-23 | Construction method and structure of assembled canopy |
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Application publication date: 20221122 |