CN107905424B - Full-prefabricated one-way plate structure with splicing grooves, manufacturing and assembling methods - Google Patents
Full-prefabricated one-way plate structure with splicing grooves, manufacturing and assembling methods Download PDFInfo
- Publication number
- CN107905424B CN107905424B CN201711252518.4A CN201711252518A CN107905424B CN 107905424 B CN107905424 B CN 107905424B CN 201711252518 A CN201711252518 A CN 201711252518A CN 107905424 B CN107905424 B CN 107905424B
- Authority
- CN
- China
- Prior art keywords
- steel
- plate
- concrete
- precast concrete
- unidirectional
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/14—Producing shaped prefabricated articles from the material by simple casting, the material being neither forcibly fed nor positively compacted
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0029—Moulds or moulding surfaces not covered by B28B7/0058 - B28B7/36 and B28B7/40 - B28B7/465, e.g. moulds assembled from several parts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
- E04C2/28—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups combinations of materials fully covered by groups E04C2/04 and E04C2/08
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Bridges Or Land Bridges (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
The invention relates to the field of prefabricated concrete structure buildings, in particular to a full-prefabricated one-way plate structure with a splicing groove, a method for manufacturing and assembling the full-prefabricated one-way plate with the splicing groove, a center sill and the full-prefabricated one-way plate with the splicing groove and a boundary beam. The precast concrete unidirectional plate is formed by adopting a template structure, and longitudinal steel bars and transverse steel bars are vertically arranged at the inner bottom of the precast concrete unidirectional plate; hogging moment ribs are respectively and horizontally distributed on the upper parts of the two opposite sides of the precast concrete unidirectional plate, one end of each hogging moment rib extends into the precast concrete unidirectional plate, and the other end of each hogging moment rib extends out of the precast concrete unidirectional plate; the upper parts of the other opposite sides of the precast concrete unidirectional plate are respectively and horizontally provided with splicing grooves, and the splicing grooves are T-shaped grooves. The full prefabricated unidirectional plate structure with the splicing grooves, the manufacturing and assembling method are simpler in field assembly and easier to guarantee construction quality.
Description
Technical Field
The invention relates to the field of prefabricated concrete structure buildings, in particular to a full-prefabricated one-way plate structure with a splicing groove, a method for manufacturing and assembling the full-prefabricated one-way plate with the splicing groove, a center sill and the full-prefabricated one-way plate with the splicing groove and a boundary beam.
Background
The assembled concrete structure has the advantages of high construction speed, energy conservation, environmental protection, small site wet work load and the like, and is rapidly developed in China in recent years. Floor slabs are important component parts of fabricated concrete structures. At present, in an assembled concrete structure, the adopted floor slab is generally a laminated slab, namely semi-prefabricated and semi-cast-in-situ, and the wet workload of the floor slab is reduced by about half compared with that of a cast-in-situ concrete floor slab. The full precast concrete floor slab has almost zero field wet work load because the floor slab is fully precast. However, the fully prefabricated concrete floor has poor integrity, and gradually exits the market of the assembled concrete structure. Therefore, the invention provides a novel full-prefabricated assembled concrete floor structure, a manufacturing and assembling method, so that the full-prefabricated assembled concrete floor structure has good integrity when the working amount is almost zero on site, the requirements of the design and construction of the assembled concrete structure are met, and the floor assembled by the method is still a one-way plate.
Disclosure of Invention
The invention aims to provide a full-prefabricated one-way plate structure with a splicing groove, a manufacturing and assembling method, which are used for realizing the connection between the full-prefabricated one-way plate structure with the splicing groove and the full-prefabricated one-way plate structure with the splicing groove, realizing the connection between the full-prefabricated one-way plate structure with the splicing groove and a boundary beam, realizing the connection between the full-prefabricated one-way plate structure with the splicing groove and a middle beam and meeting the actual engineering design and construction requirements.
The technical scheme of the invention is as follows:
the full prefabricated unidirectional plate with the splicing grooves is formed by casting concrete through a template structure, and longitudinal steel bars and transverse steel bars are vertically arranged at the inner bottoms of the prefabricated unidirectional plates; hogging moment ribs are respectively and horizontally distributed on the upper parts of the two opposite sides of the precast concrete unidirectional plate, one end of each hogging moment rib extends into the precast concrete unidirectional plate, and the other end of each hogging moment rib extends out of the precast concrete unidirectional plate; the upper parts of the other opposite sides of the precast concrete unidirectional plate are respectively and horizontally provided with splicing grooves, and the splicing grooves are T-shaped grooves.
The manufacturing method of the full prefabricated one-way plate structure with the splicing groove comprises the following specific processes:
(1) The four sides of the template structure are steel templates, the steel templates positioned at two longitudinal sides are respectively composed of an upper steel bar and a lower steel bar, the hogging moment steel bars vertically penetrate through the space between the upper steel bar and the lower steel bar, a preformed hole is arranged between the upper steel bar and the lower steel bar and along the central axis of the hogging moment steel bars, and the steel templates are connected with the upper steel bar and the lower steel bar by inserting fixed steel bars into fixed steel rings to form the steel templates at two longitudinal sides; the steel templates positioned on the two lateral sides are respectively steel bars, and the inner sides of the steel bars are oppositely welded with T-shaped templates along the upper part of the central axis;
(2) The method comprises the steps that a steel template and steel bars of a precast concrete unidirectional plate are arranged, longitudinal steel bars and transverse steel bars are vertically arranged at the bottom in a frame surrounded by the steel template, hogging moment steel bars are placed at reserved holes of steel bars at the lower side of the longitudinal steel template, steel bars at the upper side of the steel template are placed at corresponding positions, and then fixed steel bars are inserted into fixed steel rings;
(3) And pouring concrete on the template structure, removing the fixed steel bars after the concrete reaches the expected strength, and removing the steel template to complete the prefabricated concrete unidirectional plate with the splicing grooves.
The manufacturing method of the full-prefabricated unidirectional plate structure with the splicing groove is characterized in that the thickness of the prefabricated concrete unidirectional plate is consistent with the height of the steel template, the splicing groove is formed by a detached T-shaped template, and the thickness of the splicing groove is half of that of the prefabricated concrete unidirectional plate.
The assembly method of the all-prefabricated concrete one-way plate structure with the splicing groove comprises the following steps of:
(1) The connecting piece consists of a connecting steel bar and anchoring steel plates, and the two anchoring steel plates are oppositely arranged at two ends of the connecting steel bar to form an I-shaped structure; each anchoring steel plate is of a butt joint structure of an upper steel plate and a lower steel plate, and reserved holes are correspondingly formed between the upper steel plate and the lower steel plate; during construction, firstly, the connecting steel bars are placed in reserved holes of the lower steel plates of the anchoring steel plates, then the upper steel plates of the anchoring steel plates are placed at corresponding positions, and the manufacture of the connecting piece is completed;
(2) Hoisting two precast concrete unidirectional plates to a preset position, wherein splicing grooves on adjacent side surfaces of the precast concrete unidirectional plates are in the same horizontal relative position and are in close contact with each other, and a worker-shaped groove is formed between the opposite splicing grooves; and placing the connecting piece into the splicing groove, pouring grouting material into the splicing groove, and completing connection between the two precast concrete unidirectional plates after the grouting material reaches the expected strength.
The assembly method of the full-prefabricated concrete one-way plate structure with the splicing groove comprises the following steps of:
(1) When the middle beam is manufactured, a bolt rod is embedded in the middle beam, and the length of the concrete leaked from the bolt rod is not less than half of the thickness of the precast concrete one-way plate;
(2) Hoisting two precast concrete one-way plates to two sides of a middle beam, connecting the bottoms of the side edges of the splicing grooves of the two precast concrete one-way plates with the edge line of the outer side of the middle beam, placing connecting pieces in the splicing grooves of the two precast concrete one-way plates at the same horizontal relative position, and tightly contacting connecting steel bars of the connecting pieces with bolt rods in the middle beam; the fixed steel plate is sleeved into a bolt rod of the middle beam through a reserved hole on the fixed steel plate, the connecting steel bar is tightly pressed and fixed by a nut, and the two precast concrete unidirectional plates are connected with the middle beam by the fixed steel plate;
(3) Pouring a concrete cast-in-situ layer on the connected middle beam, and pouring grouting material into the splicing grooves on the precast concrete unidirectional plates after the concrete reaches the expected strength; the cast-in-situ concrete layer and the precast concrete unidirectional plate are connected into a firm structure through the anchoring steel plate, the connecting steel bars and the fixed steel plate.
The assembly method of the full-prefabricated one-way plate structure with the splicing groove comprises the following steps of:
(1) When the boundary beam is manufactured, the bolt rod is embedded in the boundary beam, and the length of the concrete leaked from the bolt rod is not less than half of the thickness of the precast concrete unidirectional plate;
(2) Hoisting the precast concrete unidirectional plate onto the boundary beam, wherein the distance between the end part of the precast concrete unidirectional plate and the boundary beam is more than 100mm; putting a connecting piece into the connecting piece to sleeve the fixed steel plate into a bolt rod of the side beam through a preformed hole on the connecting piece, tightly pressing the connecting steel bar, tightly contacting the bent-up part of the connecting steel bar with the fixed steel plate, and fixing the connecting steel bar by using a screw cap to finish the connection of the precast concrete unidirectional plate and the side beam by using the fixed steel plate;
(3) Pouring a concrete cast-in-situ layer on the connected side beams, and pouring grouting material into the splicing grooves on the precast concrete unidirectional plates after the concrete reaches the expected strength; the cast-in-situ concrete layer and the precast concrete unidirectional plate are connected into a firm structure through the anchoring steel plate, the connecting steel bars and the fixed steel plate.
The invention has the advantages and beneficial effects that:
1. compared with an assembled concrete laminated slab floor slab, the full prefabricated one-way plate structure with the splicing groove, the manufacturing and assembling method provided by the invention has the advantage that the wet operation amount is reduced by half; compared with the cast-in-place concrete floor, almost no wet operation exists, the assembly rate is higher, the energy is saved, the environment is protected, and the requirements of green building development are met.
2. The full prefabricated unidirectional plate structure with the splicing grooves, the manufacturing and assembling method are simpler in field assembly and easier to guarantee construction quality.
3. According to the full-prefabricated unidirectional plate structure with the splicing grooves, the manufacturing and assembling method, the full-prefabricated concrete unidirectional plate is adopted as the floor slab, and the quality of the floor slab is easier to ensure; the full precast slabs are connected by placing the steel bars with anchor plates in the grooves formed in the precast slabs, and the partial steel bars only transmit temperature stress between the plates, so that the connection is more reliable and the integrity is good; through reserving the bolt pole in the roof beam, set up the reinforcing bar that stretches out in the board tip, the bolt pole of roof beam adopts fixed steel sheet to be connected with the reinforcing bar that stretches out of board, realizes the firm connection of full precast concrete one-way board and roof beam.
4. The invention also has other advantages of fabricated concrete structures.
Drawings
Fig. 1 is a three-dimensional view of a steel pallet.
Fig. 2 is a three-dimensional view of the formwork and rebar arrangement of the precast concrete one-way panel.
Fig. 3 is a three-dimensional view of a fully preformed grooved unidirectional sheet.
Fig. 4 is a three-dimensional view of the connector.
Fig. 5 is a three-dimensional view of the lateral butt joint of two precast concrete one-way panels.
Fig. 6 is a three-dimensional view of the completion of the splicing of two precast concrete units.
Fig. 7 is a three-dimensional view of a center sill with a bolt shank.
Fig. 8 is a three-dimensional view of a fixed steel plate.
Fig. 9 is a three-dimensional view of two unidirectional plates suspended on both sides of the center sill.
Fig. 10 is a three-dimensional view of the fixed steel plate mounted on fig. 9.
Fig. 11 is a three-dimensional view of the two unidirectional plates assembled with the center sill.
Fig. 12 is a three-dimensional view of a side rail with a bolt shank.
Fig. 13 is a three-dimensional view of a precast concrete segment suspended from one side of a side sill.
Fig. 14 is a three-dimensional view of fig. 13 completed with fixation of the fixation steel plate.
Fig. 15 is a three-dimensional view of the prefabricated concrete panel assembled with the side sill.
In the figure, a 1, T-shaped template; 2. a preformed hole; 3. transverse steel bars; 4. longitudinal steel bars; 5. a splice groove; 6. negative moment rib; 7. prefabricating a concrete one-way plate; 8. a steel pallet; 9. anchoring the steel plate; 10. connecting steel bars; 11. grouting; 12. a bolt rod; 13. a screw cap; 14. a center sill; 15. fixing the steel plate; 16. a preformed hole; 17. a cast-in-situ layer; 18. edge beams; 19. fixing the steel bars; 20. and fixing the steel ring.
Detailed Description
As shown in fig. 1 to 15, the full prefabricated single-direction plate structure with splicing grooves, the manufacturing and assembling method of the invention are as follows:
as shown in fig. 1-2, the formwork structure of the precast concrete unidirectional slab 7 is characterized in that four sides of the formwork structure are steel formworks 8, the steel formworks on two longitudinal sides are respectively composed of an upper steel bar and a lower steel bar, a hogging moment rib 6 is vertically penetrated between the upper steel bar and the lower steel bar, a preformed hole 2 is arranged between the upper steel bar and the lower steel bar and along the central axis of the hogging moment rib 6, and a fixed steel ring 20 is inserted through a fixed steel bar 19 to connect the upper steel bar and the lower steel bar, so that the steel formworks on two longitudinal sides are formed; the steel templates positioned on two lateral sides are respectively steel bars, and the inner sides of the steel bars are oppositely welded with T-shaped templates 1 along the upper part of the central axis.
As shown in fig. 2, the steel pallets and bars of the precast concrete unidirectional pallet 7 are arranged, longitudinal bars 4 and transverse bars 3 are vertically arranged at the bottom in a frame surrounded by the steel pallets 8, the hogging moment bars 6 are placed at the preformed holes 2 of the lower side bars of the longitudinal steel pallets 8, then the upper side bars of the steel pallets 8 are placed at the corresponding positions, and then the fixing bars 19 are inserted into the fixing steel rings 20.
As shown in fig. 3, the precast concrete one-way slab 7 is cast on the basis of fig. 2, after the concrete reaches the expected strength, the fixed steel bars 19 are removed, the steel molding slab 8 is removed, and the precast concrete one-way slab 7 with the splicing grooves 5 is completed.
Wherein, the thickness of the precast concrete one-way slab 7 is consistent with the height of the steel molding slab 8, and the splicing groove 5 is formed by the dismantled T-shaped molding slab 1, and the thickness of the splicing groove is half of the thickness of the precast concrete one-way slab 7.
As shown in fig. 4 to 15, the splicing structure and the splicing method of the fully prefabricated concrete unidirectional plate with the splicing groove in the engineering structure mainly comprise three types:
4-6, the connection structure and method between the full precast concrete unidirectional plate with the splicing groove and the full precast concrete unidirectional plate with the splicing groove are as follows:
(1) As shown in fig. 4, the connecting piece is composed of a connecting steel bar 10 and anchoring steel plates 9, wherein the two anchoring steel plates 9 are oppositely arranged at two ends of the connecting steel bar 10 to form an I-shaped structure; each anchoring steel plate 9 is of a butt joint structure of an upper steel plate and a lower steel plate, and reserved holes are correspondingly formed between the upper steel plate and the lower steel plate. During construction, the connecting steel bars 10 are firstly placed in reserved holes of the lower side steel plates of the anchoring steel plates 9, and then the upper side steel plates of the anchoring steel plates 9 are placed at corresponding positions, so that the manufacture of the connecting piece is completed.
(2) As shown in fig. 5 to 6, two precast concrete unidirectional plates 7 are hoisted to a preset position, splicing grooves 5 on adjacent sides of the precast concrete unidirectional plates 7 are in the same horizontal opposite position and are in close contact, and an I-shaped groove is formed between the opposite splicing grooves 5; and placing the connecting piece into the splicing groove 5, pouring grouting material 11 into the splicing groove 5, and completing the connection between the two precast concrete one-way plates 7 after the grouting material 11 reaches the expected strength.
And (II) as shown in fig. 7-11, the connection structure and method of the fully prefabricated concrete unidirectional plate with the splicing groove and the center sill 14 are as follows:
(1) As shown in fig. 7, the middle beam 14 is manufactured by embedding the bolt rods 12 in the middle beam 14, and the length of the concrete leaked from the bolt rods 12 is not less than half of the thickness of the precast concrete one-way panel 7.
(2) As shown in fig. 8-10, two precast concrete unidirectional plates 7 are hoisted to two sides of a middle beam 14, the bottoms of the side edges of the two precast concrete unidirectional plates 7 with splicing grooves 5 are connected with the edge line of the outer side of the middle beam 14, the splicing grooves 5 of the two precast concrete unidirectional plates 7 are positioned at the same horizontal relative position, connecting pieces are placed, and connecting steel bars 10 of the connecting pieces are tightly contacted with bolt rods 12 in the middle beam 14; the fixing steel plate 15 is sleeved into the bolt rod 12 of the middle beam 14 through the reserved hole 16 on the fixing steel plate, the connecting steel bar 10 is tightly pressed, and the fixing steel plate is fixed by the nut 13, so that the two precast concrete unidirectional plates and the middle beam 14 are connected by the fixing steel plate 15.
(3) As shown in fig. 11, a concrete cast-in-place layer 17 is cast on the connecting center sill 14, and after the concrete reaches the expected strength, grouting material 11 is poured at the splicing groove 5 on the precast concrete one-way plate 7. The concrete cast-in-situ layer 17 and the precast concrete unidirectional plate 7 are connected into a firm structure through the anchoring steel plate 9, the connecting steel bars 10 and the fixed steel plate 15.
And thirdly, as shown in fig. 12 to 15, the connection structure and method of the fully prefabricated concrete unidirectional sheet with the splicing groove and the boundary beam 18 are as follows:
(1) As shown in fig. 12, when the side beam 18 is manufactured, the bolt rod 12 is embedded in the side beam 18, and the length of the concrete leaked from the bolt rod 12 is not less than half of the thickness of the precast concrete one-way panel 7.
(2) As shown in fig. 13-14, the precast concrete one-way plate 7 is hoisted to the side beam 18, and the distance between the end of the precast concrete one-way plate 7 and the side beam 18 is larger than 100mm; the connecting piece is put in to sleeve the fixed steel plate 15 into the bolt rod 12 of the side beam 18 through the reserved hole 16 on the fixed steel plate, the connecting steel bar 10 is tightly pressed, the bent-up part of the connecting steel bar 10 is tightly contacted with the fixed steel plate 15, and the fixed steel plate 15 is fixed by the screw cap 13, so that the prefabricated concrete unidirectional plate 7 and the side beam 18 are connected by the fixed steel plate 15.
(3) As shown in fig. 15, a concrete cast-in-place layer 17 is cast on the side beams 18 connected as described above, and after the concrete reaches the desired strength, grouting material 11 is poured into the splice groove 5 on the precast concrete one-way panel 7. The concrete cast-in-situ layer 17 and the precast concrete unidirectional plate 7 are connected into a firm structure through the anchoring steel plate 9, the connecting steel bars 10 and the fixed steel plate 15.
The results of the examples show that the invention: (1) the precast concrete unidirectional plate adopts a steel template, so that the manufacturing is more environment-friendly and convenient; (2) the precast concrete unidirectional plates are connected through the connecting piece in the splicing groove, so that the site construction speed is high, and the precast concrete unidirectional plates are firmly connected; (3) the end part of the precast concrete one-way plate is connected with the side beam by adopting a side beam and plate fixing steel plate, so that the construction is convenient and quick, and the end part of the precast concrete one-way plate is firmly and reliably connected with the side beam; (4) the method adopts a mode of combining prefabrication and cast-in-situ, reduces the field wet workload, ensures the structural integrity, omits the field manufacturing template, saves energy, protects the environment, meets the development requirement of green buildings and has a large application space.
Claims (3)
1. The assembly method of the full prefabricated one-way plate structure with the splicing grooves is characterized in that the prefabricated concrete one-way plate is formed by casting concrete through a template structure, and longitudinal steel bars and transverse steel bars are vertically arranged at the inner bottoms of the prefabricated concrete one-way plate; hogging moment ribs are respectively and horizontally distributed on the upper parts of the two opposite sides of the precast concrete unidirectional plate, one end of each hogging moment rib extends into the precast concrete unidirectional plate, and the other end of each hogging moment rib extends out of the precast concrete unidirectional plate; splicing grooves are respectively and horizontally distributed on the upper parts of the other opposite sides of the precast concrete unidirectional plate, and the splicing grooves are T-shaped grooves;
the assembly method of the all-prefabricated concrete single-direction plate structure with the splicing groove comprises the steps of connecting the all-prefabricated concrete single-direction plate with the splicing groove, connecting the all-prefabricated concrete single-direction plate with the splicing groove with the middle beam, and connecting the all-prefabricated concrete single-direction plate with the splicing groove with the side beam;
the connection structure and the method between the full-prefabricated concrete unidirectional plate with the splicing groove and the full-prefabricated concrete unidirectional plate with the splicing groove are as follows:
(1) The connecting piece consists of a connecting steel bar and anchoring steel plates, and the two anchoring steel plates are oppositely arranged at two ends of the connecting steel bar to form an I-shaped structure; each anchoring steel plate is of a butt joint structure of an upper steel plate and a lower steel plate, and reserved holes are correspondingly formed between the upper steel plate and the lower steel plate; during construction, firstly, the connecting steel bars are placed in reserved holes of the lower steel plates of the anchoring steel plates, then the upper steel plates of the anchoring steel plates are placed at corresponding positions, and the manufacture of the connecting piece is completed;
(2) Hoisting two precast concrete unidirectional plates to a preset position, wherein splicing grooves on adjacent side surfaces of the precast concrete unidirectional plates are in the same horizontal relative position and are in close contact with each other, and a worker-shaped groove is formed between the opposite splicing grooves; placing the connecting piece into the splicing groove, pouring grouting material into the splicing groove, and completing connection between the two precast concrete unidirectional plates after the grouting material reaches the expected strength;
the connection structure and method of the full prefabricated concrete unidirectional plate with the splicing groove and the middle beam are as follows:
(1) When the middle beam is manufactured, a bolt rod is embedded in the middle beam, and the length of the concrete leaked from the bolt rod is not less than half of the thickness of the precast concrete one-way plate;
(2) Hoisting two precast concrete one-way plates to two sides of a middle beam, connecting the bottoms of the side edges of the splicing grooves of the two precast concrete one-way plates with the edge line of the outer side of the middle beam, placing connecting pieces in the splicing grooves of the two precast concrete one-way plates at the same horizontal relative position, and tightly contacting connecting steel bars of the connecting pieces with bolt rods in the middle beam; the fixed steel plate is sleeved into a bolt rod of the middle beam through a reserved hole on the fixed steel plate, the connecting steel bar is tightly pressed and fixed by a nut, and the two precast concrete unidirectional plates are connected with the middle beam by the fixed steel plate;
(3) Pouring a concrete cast-in-situ layer on the connected middle beam, and pouring grouting material into the splicing grooves on the precast concrete unidirectional plates after the concrete reaches the expected strength; the concrete cast-in-situ layer and the precast concrete unidirectional plate are connected into a firm structure through an anchoring steel plate, a connecting steel bar and a fixed steel plate;
the connection structure and the method of the full-prefabricated concrete unidirectional plate with the splicing groove and the boundary beam are as follows:
(1) When the boundary beam is manufactured, the bolt rod is embedded in the boundary beam, and the length of the concrete leaked from the bolt rod is not less than half of the thickness of the precast concrete unidirectional plate;
(2) Hoisting the precast concrete unidirectional plate onto the boundary beam, wherein the distance between the end part of the precast concrete unidirectional plate and the boundary beam is more than 100mm; putting a connecting piece into the connecting piece to sleeve the fixed steel plate into a bolt rod of the side beam through a preformed hole on the connecting piece, tightly pressing the connecting steel bar, tightly contacting the bent-up part of the connecting steel bar with the fixed steel plate, and fixing the connecting steel bar by using a screw cap to finish the connection of the precast concrete unidirectional plate and the side beam by using the fixed steel plate;
(3) Pouring a concrete cast-in-situ layer on the connected side beams, and pouring grouting material into the splicing grooves on the precast concrete unidirectional plates after the concrete reaches the expected strength; the cast-in-situ concrete layer and the precast concrete unidirectional plate are connected into a firm structure through the anchoring steel plate, the connecting steel bars and the fixed steel plate.
2. A method for manufacturing a full prefabricated one-way plate structure with splicing grooves according to claim 1, which is characterized by comprising the following specific processes:
(1) The four sides of the template structure are steel templates, the steel templates positioned at two longitudinal sides are respectively composed of an upper steel bar and a lower steel bar, the hogging moment steel bars vertically penetrate through the space between the upper steel bar and the lower steel bar, a preformed hole is arranged between the upper steel bar and the lower steel bar and along the central axis of the hogging moment steel bars, and the steel templates are connected with the upper steel bar and the lower steel bar by inserting fixed steel bars into fixed steel rings to form the steel templates at two longitudinal sides; the steel templates positioned on the two lateral sides are respectively steel bars, and the inner sides of the steel bars are oppositely welded with T-shaped templates along the upper part of the central axis;
(2) The method comprises the steps that a steel template and steel bars of a precast concrete unidirectional plate are arranged, longitudinal steel bars and transverse steel bars are vertically arranged at the bottom in a frame surrounded by the steel template, hogging moment steel bars are placed at reserved holes of steel bars at the lower side of the longitudinal steel template, steel bars at the upper side of the steel template are placed at corresponding positions, and then fixed steel bars are inserted into fixed steel rings;
(3) And pouring concrete on the template structure, removing the fixed steel bars after the concrete reaches the expected strength, and removing the steel template to complete the prefabricated concrete unidirectional plate with the splicing grooves.
3. The method of manufacturing a full precast grooved one way panel structure of claim 2, wherein the precast concrete one way panel has a thickness corresponding to a height of the steel molding panel, and the splice groove is formed of a removed T-type form having a thickness half of the thickness of the precast concrete one way panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711252518.4A CN107905424B (en) | 2017-12-01 | 2017-12-01 | Full-prefabricated one-way plate structure with splicing grooves, manufacturing and assembling methods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711252518.4A CN107905424B (en) | 2017-12-01 | 2017-12-01 | Full-prefabricated one-way plate structure with splicing grooves, manufacturing and assembling methods |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107905424A CN107905424A (en) | 2018-04-13 |
| CN107905424B true CN107905424B (en) | 2023-08-18 |
Family
ID=61849705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711252518.4A Active CN107905424B (en) | 2017-12-01 | 2017-12-01 | Full-prefabricated one-way plate structure with splicing grooves, manufacturing and assembling methods |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107905424B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111391112B (en) * | 2020-03-04 | 2022-03-15 | 福建群峰机械有限公司 | Production method of prefabricated reinforced concrete hollow template with internal crossed holes |
| CN111923192B (en) * | 2020-08-25 | 2021-07-06 | 山东圣佳建筑装配有限公司 | Prefabricated concrete composite floor slab, manufacturing mold and manufacturing method |
| CN114687444A (en) * | 2022-05-07 | 2022-07-01 | 浙江大学 | I-shaped steel rear-inserting type connecting method for connecting prefabricated concrete structures |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107035045A (en) * | 2017-06-02 | 2017-08-11 | 吉林建筑大学 | A kind of precast concrete bidirectional hollow plate and preparation method thereof |
| CN107386508A (en) * | 2017-07-01 | 2017-11-24 | 清华大学 | The prefabricated board piece connecting structure and construction method of a kind of two-way concrete folding plate |
| CN207525961U (en) * | 2017-12-01 | 2018-06-22 | 沈阳建筑大学 | A kind of full prefabricated band splicing unidirectional harden structure of groove |
-
2017
- 2017-12-01 CN CN201711252518.4A patent/CN107905424B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107035045A (en) * | 2017-06-02 | 2017-08-11 | 吉林建筑大学 | A kind of precast concrete bidirectional hollow plate and preparation method thereof |
| CN107386508A (en) * | 2017-07-01 | 2017-11-24 | 清华大学 | The prefabricated board piece connecting structure and construction method of a kind of two-way concrete folding plate |
| CN207525961U (en) * | 2017-12-01 | 2018-06-22 | 沈阳建筑大学 | A kind of full prefabricated band splicing unidirectional harden structure of groove |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107905424A (en) | 2018-04-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107401217B (en) | A kind of beamless hollow floor-chamber concrete-filled steel tube shear wall combined structure system and method | |
| CN110792164B (en) | Transverse assembling device and method for assembled shear wall | |
| CN108086488B (en) | Assembled frame shear structure wall staggered connection structure and assembling method | |
| CN107905424B (en) | Full-prefabricated one-way plate structure with splicing grooves, manufacturing and assembling methods | |
| CN213087125U (en) | Prefabricated shear force wall horizontal connection node means | |
| CN108301545A (en) | A kind of big module overlapping contignation of the assembled with space truss temporary support | |
| CN108104284B (en) | Wallboard connecting structure of shear wall steel arm embedded floor slab and assembly method | |
| CN105275096A (en) | Prefabricated pieced two-way slab construction method | |
| CN107514083B (en) | Side-hung reinforced bar concrete composite floor slab structure with shear key and connecting method | |
| CN104294920A (en) | Joint assembly of U-shaped steel reinforced concrete combined beam and special-shaped concrete-filled steel tube column and manufacturing method of joint assembly | |
| CN110067321B (en) | Flexible connecting device for assembled shear wall and construction method thereof | |
| CN209760578U (en) | Novel hidden beam type connecting full-prefabricated plate structure | |
| CN215716245U (en) | Horizontal seam connection structure of assembled composite wall panel | |
| CN208039577U (en) | Half prefabricated prestressed concrete floor slab of figure of eight steel bar girder | |
| CN110644662A (en) | Prefabricated flat slab composite slab based on stress and splitting method thereof | |
| CN206722216U (en) | A kind of prefabricated girder of laminated floor slab | |
| CN113530013A (en) | Horizontal joint connecting structure of assembled composite wallboard and construction method thereof | |
| CN111663682A (en) | Assembly type wall body connecting structure based on ribbed box and construction method thereof | |
| CN203583720U (en) | Light-weight steel structure and light-weight concrete cast-in-place wall body | |
| CN217580753U (en) | Assembly type cast-in-place concrete formwork-removal-free steel bar truss floor bearing plate and floor system | |
| CN113123506B (en) | Prefabricated die-removal-free steel bar truss floor bearing plate based on uhpc and using method | |
| CN212836086U (en) | Assembled composite wall based on H shaped steel | |
| CN212295166U (en) | Assembly type wall body connecting structure based on ribbed box | |
| CN204081090U (en) | The node component of a kind of U-shaped steel-concrete combination beam and special-shaped steel pipe concrete post | |
| CN113356405A (en) | Prefabricated composite wall structure based on embedded profile steel and construction method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20230718 Address after: 518000 Xilongwan Business International Building 706, 707, N23 District, Haiwang Community, Xin'an Street, Bao'an District, Shenzhen, Guangdong Province Applicant after: HUGE GROUP (SHENZHEN) CONSTRUCTIONAL ENGINEERING CO.,LTD. Address before: 110168 Liaoning province Shenyang Hunnan Hunnan Road No. 9 Applicant before: SHENYANG JIANZHU University |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |