CN115506634B - Assembled platform canopy and construction method thereof - Google Patents
Assembled platform canopy and construction method thereof Download PDFInfo
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- CN115506634B CN115506634B CN202211361755.5A CN202211361755A CN115506634B CN 115506634 B CN115506634 B CN 115506634B CN 202211361755 A CN202211361755 A CN 202211361755A CN 115506634 B CN115506634 B CN 115506634B
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- canopy
- platform
- support column
- foundation
- girder
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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
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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
- E04B1/38—Connections for building structures in general
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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
- 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
Abstract
The application relates to the technical field of canopy building structures, in particular to an assembled platform canopy and a construction method thereof, wherein the assembled platform canopy is arranged on a foundation and comprises a plurality of canopy units which are mutually spliced in a crossing manner, and one canopy unit comprises a bearing platform foundation, a support column, a platform structure and a canopy structure arranged on the support column; the support column has hypomere, middle section and upper segment, and the hypomere of support column is used for being connected with the cushion cap basis, and support column, platform floor beam, platform wall, concrete slab and canopy structure are the prefabrication. Compared with the cast-in-situ reinforced concrete construction mode, the application obviously improves the material utilization rate in the construction process, and avoids the problems of long construction period caused by the construction of cast-in-situ reinforced concrete mode in the related technology by improving the construction efficiency by supporting and disassembling a large amount of cast-in-situ concrete in the field.
Description
Technical Field
The application relates to the technical field of canopy building structures, in particular to an assembled platform canopy and a construction method thereof.
Background
The passenger station platform is an important component of the passenger station and is a main facility for serving passengers to get on and off. The guest station platform mainly uses a station canopy as a main structure. The existing platform canopy structure is constructed in a cast-in-situ reinforced concrete mode, namely, various templates are used for cast-in-situ on a construction site, and the construction is carried out by matching with a bracket and a scaffold.
But adopts the mode of cast-in-place concrete, on one hand, the problem that cast-in-place concrete life time is long, the speed is slow exists, and is influenced by various weather, climates greatly, on the other hand job site process is complicated, needs a large amount of manpower to tie the reinforcing bars and pour concrete, needs a large amount of templates and supports simultaneously, produces a large amount of construction wastes, leads to total construction cycle to be long, construction cost is high.
Disclosure of Invention
Therefore, the application aims to solve the technical problem that the construction period is long due to the construction of the cast-in-situ reinforced concrete mode in the related technology, and provides the assembled platform canopy and the construction method thereof
In a first aspect, the application provides an assembled platform canopy, which is arranged on a foundation and comprises a plurality of canopy units which are mutually spliced in a crossing manner, wherein one canopy unit comprises a bearing platform foundation, a support column, a platform structure and a canopy structure, wherein the bearing platform foundation, the support column and the platform structure are arranged on the foundation;
the support columns are provided with lower sections, middle sections and upper sections, the lower sections of the support columns are used for being connected with the bearing platform foundation, two support columns are arranged, and two support columns are separated by a canopy span;
the platform structure comprises a platform ground beam, platform walls and a plurality of concrete slabs, wherein the platform ground beam is lapped at the middle section of the two supporting columns, the platform walls are arranged at the two sides of the platform ground beam, and the concrete slabs are lapped and paved above the platform ground beam and the platform walls;
the canopy structure comprises a support beam assembly arranged at the upper sections of two support columns and a top assembly arranged on the support beam assembly; the support column, the platform floor beam, the platform wall, the concrete slab and the canopy structure are prefabricated members.
Further, the bearing platform foundation comprises a bottom bearing platform, the bottom bearing platform is provided with a connecting cavity, the lower section of the support column is embedded with stiffness nodes, the stiffness nodes comprise a plurality of embedded bolts circumferentially distributed along the lower section of the support column, and the lower section of the support column is immersed into the connecting cavity of the bottom bearing platform.
Further, the middle section of support column is provided with the bracket, the platform girder includes the overlap joint be in the girder main part on the bracket of support column middle section bracket and with the girder main part with the fixed post-cast concrete of support column, post-cast concrete is located the girder main part with between the support column.
Further, the platform wall is including setting up the platform basis at the ground, platform basis distribute in the both sides of platform ground beam is provided with a plurality of walls of mutual concatenation on the platform basis, the top of wall body has the wall bracket, overlap joint has cap peak board and concrete slab on the wall bracket. Furthermore, a plurality of wall steel bars are pre-buried in both sides of wall body length direction, one wall steel bar overlap joint of wall body length direction one side another wall steel bar of wall body corresponding length direction.
Further, the upper section of the support column is provided with a first placing part and a second placing part, the first placing part is positioned at one side of the two support columns opposite to each other, the second placing part is positioned at two sides of the support column perpendicular to the first placing part, and the support beam assembly comprises a canopy main beam, a cantilever main beam and a cantilever secondary beam, wherein the canopy main beam is lapped at the first placing part, the cantilever main beam is lapped at the second placing part, and the cantilever secondary beam is lapped at the canopy main beam.
Further, the first placing part is embedded with a first built-in steel box, two ends of the length direction of the canopy girder are embedded with first steel boxes of the canopy girder, which are matched with the first built-in steel boxes, the second placing part is embedded with a second built-in steel box, and one end of the cantilever girder, which is used for being connected with the support column, is embedded with a main cantilever steel box, which is matched with the second built-in steel box.
Further, the canopy girder has pre-buried canopy girder second steel box in the both sides of its width, the secondary roof beam of encorbelmenting is used for being connected with the canopy girder one end pre-buried have be used for with canopy second steel box complex secondary steel box of encorbelmenting.
In a second aspect, the application provides a construction method of an assembled platform canopy, comprising the following steps:
s1: prefabricating a support column, a wall body, a concrete slab and a canopy structure;
s2: performing pile foundation construction and bearing platform foundation construction on a foundation;
s3: the construction of the support column, hoisting the support column to enable the stiffness node and the embedded bolt of the lower section of the support column to be immersed in the bearing platform foundation, and pouring grouting material to pour and fix the joint of the lower section of the support column and the bearing platform foundation;
s4: constructing a platform ground beam, namely overlapping a lifting ground beam main body on corbels of two support columns to position, pouring concrete at connection points of the ground beam main body and the corbels of the support columns to fix the pouring concrete, and forming post-pouring concrete;
s5: the method comprises the steps of constructing a canopy girder, hoisting the canopy girder to be lapped at a first placing part of a supporting column, adjusting the position of the canopy girder to enable a canopy built-in steel box of the canopy girder to be aligned with the position of the first built-in steel box of the supporting column, and filling and fixing the joint of the canopy girder and the supporting column;
s6: constructing a platform structure, constructing a platform foundation on a foundation, then hoisting a wall body, installing the wall body to the platform foundation, splicing all the wall bodies, backfilling earthwork to the lower part of a platform ground beam, hardening the backfilling earthwork, and uniformly paving a concrete slab to the upper part of the wall body after hardening;
s7: hoisting the overhanging main beam to the supporting column for installation and fixation, and hoisting the overhanging secondary beam to the canopy main beam for installation and fixation;
s8: and hoisting the top assembly to the overhanging main beam and uniformly paving the overhanging secondary beam.
Further, in the step S5, "filling and fixing the connection part of the canopy main beam and the support column" is specifically: and (3) concrete pouring and fixing are carried out on the upper connecting parts of the canopy girder and the support column, and high-pressure grouting filling is carried out on the lower connecting parts of the canopy girder and the support column.
Compared with the prior art, the technical scheme of the application has the following advantages:
1. according to the application, through the prefabricated support columns, the platform ground beams, the platform walls, the concrete plates and the canopy structure, when the canopy construction is carried out, the prefabricated parts are transported to a construction site, and then are hoisted and correspondingly installed, so that the construction can be carried out;
2. the lower section of the support column is provided with the stiffness nodes, the embedded bolts, the middle section is provided with the bracket, the upper section is provided with the first shelving part and the second shelving part, and meanwhile, each prefabricated member and the support column and each prefabricated member are provided with mutually matched structures, so that the prefabricated members are compact in structural matching, positioning and subsequent installation during hoisting are facilitated, the construction efficiency is effectively improved, and the construction period is further shortened;
3. the capping and cornice is arranged on the platform wall, so that the construction quality of the platform concrete is improved, and the problem that cast-in-place concrete is easy to invade a line due to the construction quality is effectively solved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present application, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an assembled platform canopy according to the present application;
FIG. 2 is a schematic diagram showing the structure of the assembled platform canopy of the present application including the platform foundation, support columns, platform floor beams and canopy structure;
FIG. 3 is an enlarged schematic view of a portion A of FIG. 2;
FIG. 4 is a partially enlarged schematic illustration of portion B of FIG. 2;
FIG. 5 is a schematic view showing the structure of the assembled platform canopy of the present application with the support columns and the platform structure;
fig. 6 is an enlarged partial schematic view of the portion C in fig. 5.
Reference numerals illustrate:
1. a bearing platform foundation; 11. a bottom bearing platform; 2. a support column; 21. a lower section; 211. stiffness nodes; 22. a middle section; 23. an upper section; 231. a first rest portion; 232. a second rest portion; 3. a platform structure; 31. a platform ground beam; 311. a ground beam main body; 3111. horizontal steel bars; 3112. beam steel bars; 312. post-pouring concrete; 32. a platform wall; 321. a wall body; 3211. wall bracket; 3212. cap cornice; 3213. wall reinforcing steel bars; 33. a concrete slab; 4. a canopy structure; 41. a support beam assembly; 411. a canopy girder; 412. overhanging the main beam; 413. overhanging the secondary beam; 42. a top assembly; 421. side beam plates; 422. and (5) laminating the plates.
Detailed Description
The following description of the embodiments of the present application will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the application are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In addition, the technical features of the different embodiments of the present application described below may be combined with each other as long as they do not collide with each other.
Embodiment one:
referring to fig. 1 and 2, the application provides an assembled platform canopy, which is arranged on a foundation and comprises a plurality of canopy units which are mutually spliced in a crossing manner, wherein one canopy unit comprises a bearing platform foundation 1, a support column 2, a platform structure 3 and a canopy structure 4 arranged on the support column 2. Specifically, the bearing platform foundation 1 comprises two bottom bearing platforms 11 arranged on the foundation, and the bottom bearing platforms 11 are hollow and provided with connecting cavities for being matched with the supporting columns 2.
The axis of the support column 2 is arranged vertically, and the support column 2 is a precast concrete member. The support column 2 has a lower section 21, a middle section 22 and an upper section 23 in this order from bottom to top. The lower section 21 of the support column 2 is intended to be connected to the platform foundation 1. In order to facilitate connection with the bearing platform foundation 1, the lower section 21 of the support column 2 is provided with stiffness nodes 211 in an embedded mode, and the stiffness nodes 211 comprise a plurality of embedded bolts distributed along the circumferential direction of the lower section 21 of the support column 2. Through setting up stiffness node 211, when connecting support column 2 and bottom cushion cap 11, take stiffness node 211 whole with the hypomere 21 of support column 2 to submerge in the joint chamber of bottom cushion cap 11 and pour afterwards, can be with support column 2 fixed connection in bottom cushion cap 11, increase the joint strength of support column 2 and bottom cushion cap 11 simultaneously. The number of the supporting columns 2 is two, two supporting columns 2 are spaced by a awning span, and the awning span is selected according to practice.
Referring to fig. 2 to 4, the middle section 22 of the support columns 2 is used to cooperate with a platform structure 3, and the platform structure 3 includes a platform floor beam 31 overlapping the middle sections 22 of the two support columns 2, platform walls 32 disposed on both sides of the platform floor beam 31, and a plurality of concrete slabs 33 overlapping and laid over the platform floor beam 31 and the platform walls 32, wherein the platform floor beam 31, the platform walls 32, and the concrete slabs 33 are precast concrete members. Specifically, for convenience of positioning and connection with the platform floor beams 31, the middle section 22 of the supporting column 2 is provided with a bracket, the brackets of the middle sections 22 of the two supporting columns 2 are oppositely arranged, the platform floor beams 31 comprise floor beam main bodies 311 which are lapped on the brackets and post-cast concrete 312 which is fixed with the floor beam main bodies 311, one end of the floor beam main bodies 311 in the length direction is lapped on the bracket of the middle section 22 of one supporting column 2, and the other end of the floor beam main bodies 311 in the length direction is lapped on the bracket of the middle section 22 of the other supporting column 2. Post-cast concrete 312 is located on the side of the body 311 of the ground beam remote from the brackets.
It should be noted that, the post-cast concrete 312 is formed by post-casting, that is, when the local beam body 311 is lapped on the bracket of the middle section 22 of the support column 2, a gap is formed between the local beam body 311 and the support column 2, and the post-cast concrete 312 can be formed by casting in the gap. It should be noted that, in order to facilitate connection between the ground beam main body 311 and the support column 2, a plurality of horizontal steel bars 3111 are pre-buried at two sides of the length direction of the ground beam main body 311, a plurality of vertical steel bars are pre-buried above the bracket of the middle section 22 of the support column 2, and when the ground beam main body 311 is lapped on the bracket of the middle section 22 of the support column 2, the horizontal steel bars 3111 are inserted into the plurality of vertical steel bars, so that subsequent pouring is facilitated. Meanwhile, a plurality of beam steel bars 3112 are pre-buried above the ground beam main body 311, and the purpose of the beam steel bars 3112 is to facilitate connection of the ground beam main body 311 with the concrete slab 33, and the beam steel bars 3112 are in an inverted U shape.
Referring to fig. 5 and 6, the platform wall 32 includes platform foundations disposed on the foundation, the platform foundations being distributed on both sides of the platform floor beams 31, and the length direction of the platform foundations being identical to the length direction of the floor beam body 311, i.e., the platform foundations being parallel to the floor beam body 311. Be provided with a plurality of walls 321 of mutually concatenation on the platform basis, a plurality of walls 321 distribute along the length direction of platform basis, and wall 321 length direction's both sides have a plurality of wall steel bars 3213 in advance, and wall steel bars 3213 overlap joint of one wall 321 length direction one side is on another wall 321 corresponds length direction's wall steel bars 3213 to the follow-up fixed of pouring of being convenient for.
Referring to fig. 5 and 6, wall 321 has a wall bracket 3211, one side of wall bracket 3211 is used to engage visor plate 3212, and the other side of wall bracket 3211 is used to engage concrete slab 33. Specifically, the cap peak plate 3212 is lapped on the wall bracket 3211, in order to facilitate connection of the cap peak plate 3212 and the wall bracket 3211, a plurality of bracket steel bars are embedded in the wall bracket 3211, the bracket steel bars are uniformly arranged along the length direction of the wall bracket 3211, the bracket steel bars are in an inverted U shape, a plurality of plate steel bars are embedded in one side of the cap peak plate 3212 correspondingly, and after the cap peak plate 3211 is lapped on the wall bracket 3211, the plate steel bars of the cap peak plate 3212 can be inserted between the plurality of bracket steel bars and can be connected by casting the plate steel bars subsequently.
Similar to the bill plate 3212, the concrete slabs 33 are laid on brackets of the wall 321 in overlapping relation and are uniformly laid along the length direction of the wall brackets 3211. One side of the concrete slab 33 is lapped on the bracket of the wall 321, and the other side of the concrete slab 33 is lapped on the ground beam main body 311. In order to facilitate connection between the concrete slab 33 and the wall brackets 3211 and between the concrete slab 33 and the floor beam main body 311, slab connection reinforcements are pre-buried at both sides of the concrete slab 33, the slab connection reinforcements at one side of the concrete slab 33 are lapped on the wall brackets 3211 and inserted between the bracket reinforcements, and the slab connection reinforcements at the other side of the concrete slab 33 are lapped between the beam reinforcements 3112 of the floor beam main body 311. And the fixed connection can be realized by casting the connection part subsequently.
Referring back to fig. 2-4, the upper sections 23 of the support columns 2 are configured to mate with a canopy structure 4. The canopy structure 4 includes a support beam assembly 41 disposed on the upper sections 23 of the two support columns 2 and a roof assembly 42 disposed on the support beam assembly 41. The support beam assembly 41 and roof assembly 42 are prefabricated members. Specifically, the upper section 23 of the support columns 2 is provided with a first rest portion 231 and a second rest portion 232, the first rest portion 231 is located on one side of the two support columns 2 opposite to each other, the second rest portion 232 is located on two sides of the support columns 2 perpendicular to the first rest portion 231, the first rest portion 231 is in an L shape, and the second rest portion 232 is in an L shape. The supporting beam assembly 41 comprises a canopy main beam 411 which is lapped at the first placing part 231, an overhanging main beam 412 which is lapped at the second placing part 232 and an overhanging secondary beam 413 which is lapped at the canopy main beam 411, wherein the overhanging secondary beam 413 is parallel to the canopy main beam 411, the overhanging main beam 412 and the overhanging secondary beam 413 are prefabricated components, and meanwhile, reinforcing steel bars are embedded above the supporting columns 2, the canopy main beam 411, the overhanging main beam 412 and the overhanging secondary beam 413 so as to facilitate subsequent pouring.
One end overlap joint of canopy girder 411 is at the first portion of shelving 231 of 23 on one of them support column 2, the other end overlap joint of canopy girder 411 is at the first portion of shelving 231 of 23 on another support column 2, in order to make things convenient for the hoist and mount location and the fixed of canopy girder 411, first portion of shelving 231 pre-buried has a built-in steel box, the both ends of canopy girder 411 length direction pre-buried have the first steel box of canopy girder that is used for cooperating a built-in steel box, first built-in steel box passes through bolt fastening with the first steel box of canopy girder and is fixed. It should be noted that the built-in steel boxes are used in a matched pair, that is, the first placing portion 231 is embedded with two first built-in steel boxes, one of the first built-in steel boxes is located above the first placing portion 231, and the other built-in steel box is located below the first placing portion 231. Correspondingly, two first steel boxes of the canopy girder 411 are arranged, and the positions of the two first steel boxes of the canopy girder are in one-to-one correspondence with the two first built-in steel boxes. In this embodiment, in order to sufficiently support the canopy girder 411, there are four first rest portions 231 on the canopy girder 411, and two first rest portions 231 are disposed on two sides of the canopy girder 411.
Through setting up first built-in steel box and the first steel box of canopy roof beam, when hoist and mount canopy girder 411, can support and align canopy girder 411 overlap joint on first portion 231 of shelving, connect first built-in steel box and the first steel box of canopy roof beam afterwards for canopy girder 411 is through the mode of tying prepositioning on first portion 231 of shelving, carries out cast-in-place or fills afterwards and fixes, can fix canopy girder 411 on support column 2, makes the installation of canopy girder 411 simple and convenient. In addition, a steel box can be added between the first built-in steel box and the first steel box of the canopy beam, so that deviation of the cantilever girder 412 in the span direction can be adjusted.
Similarly, the second placing portion 232 is embedded with a second built-in steel box, and one end of the cantilever main beam 412, which is used for being connected with the support column 2, is embedded with a main cantilever steel box used for being matched with the second built-in steel box, and the second built-in steel box is connected with the main cantilever steel box in a fastening mode. The canopy girder 411 is provided with canopy girder rest portion in the both sides of its width, and canopy girder rest portion pre-buried has canopy girder second steel box, and the secondary beam 413 of encorbelmenting is used for being connected with canopy girder 411's the pre-buried steel box that has the secondary that is used for with canopy second steel box complex of one end, canopy girder second steel box and secondary steel box tether connect. By providing the second built-in steel box, the main overhanging steel box, the canopy beam second steel box and the sub overhanging steel box, the installation convenience of the support beam assembly 41 and the support column 2 can be effectively increased.
The top assembly 42 includes side rail plates 421 and superimposed sheets 422 mounted on the primary and secondary overhanging beams, the side rail plates 421 and superimposed sheets 422 being prefabricated members. The side beam plate 421 and one side overlap joint of superimposed sheet 422 are fixed on the main cantilever beam, and the side beam plate 421 and the opposite side overlap joint of superimposed sheet 422 are fixed on the secondary cantilever beam, and there are two side beam plates 421, and two side beam plates 421 overlap joint respectively in main cantilever beam and secondary cantilever beam length direction's both sides, and superimposed sheet 422 has two, and two superimposed sheets 422 overlap joint between side beam plates 421 and with side beam plate 421 butt. The side beam plates 421 and the superimposed sheet 422 are pre-embedded with top steel bars, and the top steel bars are used for pouring with steel bars above the support columns 2, steel bars above the canopy main beams 411, steel bars above the overhanging main beams 412 and steel bars above the overhanging secondary beams 413 to form roof boards.
Embodiment two:
the application provides a construction method of an assembled platform canopy, which comprises the following steps:
s1: prefabricated support columns 2, walls 321, concrete slabs 33 and canopy structures 4;
specifically, the support column 2 is prefabricated, the stiffness node 211 is pre-embedded in the lower section 21 of the support column 2, the middle section 22 of the support column 2 is provided with a bracket, the upper end of the support column 2 is provided with a first placing part 231 and a second placing part 232, the first placing part 231 is pre-embedded with a first built-in steel box, and the second placing part 232 is pre-embedded with a second built-in steel box.
S2: performing pile foundation construction and bearing platform foundation 1 construction on a foundation;
s3: the support column 2 is constructed, the support column 2 is hoisted, so that stiffness nodes 211 and embedded bolts of the lower section 21 of the support column 2 are immersed into the bearing platform foundation 1, and pouring grouting materials are used for pouring and fixing the connection parts of the lower section 21 of the support column 2 and the bearing platform foundation 1;
specifically, the support column 2 is hoisted and put into the upper part of the bottom bearing platform 11 of the bearing platform foundation 1, so that the stiffness node 211 and the embedded bolts of the lower section 21 of the support column 2 are immersed in the connecting cavity of the bottom bearing platform 11, and then the connecting cavity of the support column 2 and the bottom bearing platform 11 is poured, so that the support column 2 and the bottom bearing platform 11 are fixed.
S4: constructing a platform ground beam 31, namely overlapping a lifting ground beam main body 311 on corbels of two support columns 2 for positioning, pouring concrete at connection points of the ground beam main body 311 and the corbels of the support columns 2 for pouring and fixing to form post-pouring concrete 312;
specifically, the ground beam main body 311 is hoisted, one end of the ground beam main body 311 in the length direction is lapped on the bracket of the middle section 22 of the support column 2, the other end of the ground beam main body 311 in the length direction is lapped on the bracket of the middle section 22 of the other support column 2 to be positioned, and then a template is used for casting a connection point of the ground beam main body 311 and the bracket of the support column 2, so that post-cast concrete 312 is formed.
S5: the construction of the canopy girder 411, the hanging of the canopy girder 411 is carried out at the first placing part 231 of the support column 2, the position of the canopy girder 411 is adjusted to align the position of the built-in steel box of the canopy girder 411 with the position of the first built-in steel box of the support column 2, and the connection parts of the canopy girder 411 and the support column 2 are filled and fixed;
specifically, the canopy girder 411 is hoisted, so that one end of the canopy girder 411 in the length direction is lapped at the first placing part 231 of one support column 2, the other end of the canopy girder 411 in the length direction is lapped at the first placing part 231 of the other support column 2, the position is adjusted, built-in steel boxes are added according to the requirement, each built-in steel box is connected in a tying way, concrete pouring and fixing are carried out on the upper connecting parts of the canopy girder 411 and the support column 2, and high-pressure grouting filling is carried out on the lower connecting parts of the canopy girder 411 and the support column 2.
S6: constructing a platform structure 3, constructing a platform foundation on a foundation, then hoisting the wall bodies 321, installing the wall bodies 321 to the platform foundation, splicing the wall bodies 321, backfilling earthwork to the lower part of the platform ground beam 31, hardening the backfill earthwork, and uniformly paving concrete slabs 33 above the wall bodies 321 after hardening;
specifically, a platform foundation is constructed at a foundation, a hoisting wall 321 is installed on the platform foundation, and adjacent walls 321 are lapped and fixed by pouring. Then, the earthwork backfilling is performed to the lower part of the platform floor beam 31, namely, the platform foundation 1, the platform floor beam 31 and the platform wall 32 are connected through the earthwork backfilling, and the lower end of the platform wall 32, the bottom platform 11 and the lower section 21 of the support column 2 are backfilled by the earthwork. The earth backfill portion is then hardened, the cap plate 3212 and the concrete slab 33 are lifted to the wall bracket 3211 for uniform laying and supporting, and then the connection portion of the cap plate 3212 and the wall bracket 3211 and the connection portion of the concrete slab 33 and the wall bracket 3211 are cast and connected to form an upper layer.
S7: lifting the overhanging main beam 412 to the support column 2 for installation and fixation, and lifting the overhanging secondary beam 413 to the canopy main beam 411 for installation and fixation;
specifically, the hanging overhanging girder 412 is lapped on the second placing part 232 of the supporting column 2, so that the main overhanging steel box of the overhanging girder 412 and the second built-in steel box of the second placing part 232 are spliced and pre-positioned, and the main overhanging steel box above the overhanging girder 412 and the second built-in steel box are fixed by using concrete casting, and high-pressure grouting filling is performed between the main overhanging steel box below the overhanging girder 412 and the second built-in steel box. The overhanging secondary beam 413 is lifted and connected to the canopy beam placing portion, so that the secondary overhanging steel box of the overhanging secondary beam 413 and the canopy beam second steel box of the canopy beam placing portion are spliced and pre-positioned, and the secondary overhanging steel box above the overhanging secondary beam 413 and the canopy beam second steel box are fixedly poured by concrete, and high-pressure grouting filling is performed between the secondary overhanging steel box below the overhanging secondary beam 413 and the canopy beam second steel box.
S8: hoisting the top component 42 to the overhanging main beam 412 and the overhanging secondary beam 413 for uniform laying;
specifically, the side beam plate 421 and the superimposed sheet 422 of the hoisting top part are lapped on the overhanging main beam 412 and the overhanging sub beam 413 to be uniformly laid, and then the pre-buried bars on the supporting column 2, the side beam plate 421, the superimposed sheet 422, the overhanging main beam 412 and the overhanging sub beam 413 are poured to form a roof panel.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the application.
Claims (10)
1. The assembled platform canopy is arranged on a foundation and is characterized by comprising a plurality of canopy units which are mutually spliced in a crossing mode, wherein one canopy unit comprises a bearing platform foundation (1), a support column (2), a platform structure (3) and a canopy structure (4) arranged on the support column (2) which are arranged on the foundation;
the support columns (2) are provided with a lower section (21), a middle section (22) and an upper section (23), the lower section (21) of the support columns (2) is used for being connected with the bearing platform foundation (1), two support columns (2) are arranged, and two support columns (2) are separated by a canopy span;
the platform structure (3) comprises a platform ground beam (31) which is lapped on the middle sections (22) of the two supporting columns (2), platform walls (32) which are arranged on two sides of the platform ground beam (31), and a plurality of concrete slabs (33) which are lapped and paved above the platform ground beam (31) and the platform walls (32);
the canopy structure (4) comprises a support beam assembly (41) arranged on the upper sections (23) of the two support columns (2) and a top assembly (42) arranged on the support beam assembly (41); the support column (2), the platform floor beam (31), the platform wall (32), the concrete slab (33) and the canopy structure (4) are prefabricated members.
2. An assembled platform canopy according to claim 1, characterized in that the platform foundation (1) comprises a bottom platform (11), the bottom platform (11) is provided with a connecting cavity, the lower section (21) of the support column (2) is pre-buried and provided with stiffness nodes (211), the stiffness nodes (211) comprise a plurality of pre-buried bolts circumferentially distributed along the lower section (21) of the support column (2), and the lower section (21) of the support column (2) is submerged into the connecting cavity of the bottom platform (11).
3. An assembled platform canopy according to claim 1 or 2, characterized in that the middle section (22) of the support column (2) is provided with a bracket, the platform floor beam (31) comprises a floor beam main body (311) lapped on the bracket of the middle section (22) of the support column (2) and post-cast concrete (312) fixed with the floor beam main body (311) and the support column (2), and the post-cast concrete (312) is positioned between the floor beam main body (311) and the support column (2).
4. A modular platform canopy according to claim 3, characterized in that the platform wall (32) comprises a platform foundation arranged on the foundation, the platform foundation is distributed on two sides of the platform floor beam (31), a plurality of mutually spliced walls (321) are arranged on the platform foundation, the upper part of each wall (321) is provided with a wall bracket (3211), and the wall bracket (3211) is lapped with a cap cornice (3212) and a concrete slab (33).
5. The assembled platform canopy according to claim 4, wherein a plurality of wall reinforcements (3213) are embedded at two sides of the wall body (321) in the length direction, and the wall reinforcements (3213) at one side of the wall body (321) in the length direction are lapped on the wall reinforcements (3213) of the other wall body (321) in the length direction.
6. An assembled platform canopy according to claim 1, characterized in that the upper section (23) of the support column (2) is provided with a first rest portion (231) and a second rest portion (232), the first rest portion (231) is located at one side of two support columns (2) opposite to each other, the second rest portion (232) is located at two sides of the support column (2) perpendicular to the first rest portion (231), and the support beam assembly (41) comprises a canopy main beam (411) overlapping the first rest portion (231), a cantilever main beam (412) overlapping the second rest portion (232) and a cantilever secondary beam (413) overlapping the canopy main beam (411).
7. The assembled platform canopy according to claim 6, wherein the first placing portion (231) is embedded with a first built-in steel box, two ends of the canopy main beam (411) in the length direction are embedded with first steel boxes of canopy beams for being matched with the first built-in steel boxes, the second placing portion (232) is embedded with a second built-in steel box, and one end of the cantilever main beam (412) for being connected with the support column (2) is embedded with a main cantilever steel box for being matched with the second built-in steel box.
8. The assembled platform canopy according to claim 7, wherein the canopy girder (411) is pre-embedded with canopy girder second steel boxes on two sides of the width thereof, and the overhanging secondary girder (413) is pre-embedded with a secondary overhanging steel box for being matched with the canopy second steel box at one end connected with the canopy girder (411).
9. The construction method of the assembled platform canopy is characterized by comprising the following steps of:
s1: the prefabricated support column (2), the wall body (321), the concrete slab (33) and the canopy structure (4);
s2: performing pile foundation construction and bearing platform foundation (1) construction on the foundation;
s3: constructing a support column (2), hoisting the support column (2) to enable stiffness nodes (211) and embedded bolts of the lower section (21) of the support column (2) to be immersed into the bearing platform foundation (1), and pouring and fixing the joints of the lower section (21) of the support column (2) and the bearing platform foundation (1) by using pouring grouting materials;
s4: constructing a platform ground beam (31), hoisting a ground beam main body (311) to be lapped on corbels of two support columns (2) for positioning, pouring concrete at connection points of the ground beam main body (311) and the corbels of the support columns (2) for pouring and fixing, and forming post-pouring concrete (312);
s5: the construction of the canopy girder (411), the hoisting of the canopy girder (411) is carried out at the first placing part (231) of the supporting column (2), the position of the canopy girder (411) is adjusted to align the position of the canopy built-in steel box of the canopy girder (411) with the position of the first built-in steel box of the supporting column (2), and the connection parts of the canopy girder (411) and the supporting column (2) are filled and fixed;
s6: constructing a platform structure (3), constructing a platform foundation on a foundation, then hoisting walls (321) to be mounted on the platform foundation, splicing the walls (321), backfilling earthwork to the lower part of a platform ground beam (31), hardening the backfill, and uniformly paving concrete plates (33) above the walls (321) after hardening;
s7: hoisting the overhanging main beam (412) to the supporting column (2) for installation and fixation, and hoisting the overhanging secondary beam (413) to the canopy main beam (411) for installation and fixation;
s8: and lifting the top assembly (42) to the overhanging main beam (412) and uniformly paving the overhanging auxiliary beam (413).
10. The construction method of the assembled platform canopy according to claim 9, wherein:
in the step S5, the connection parts of the canopy main beam (411) and the support column (2) are filled and fixed specifically as follows: and (3) carrying out concrete pouring and fixing on the upper connecting parts of the canopy main beam (411) and the support column (2), and carrying out high-pressure grouting filling on the lower connecting parts of the canopy main beam (411) and the support column (2).
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| CN115506634A (en) | 2022-12-23 |
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