CN110409630B - On-site connection method for end of prefabricated slab - Google Patents
On-site connection method for end of prefabricated slab Download PDFInfo
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- CN110409630B CN110409630B CN201910639433.4A CN201910639433A CN110409630B CN 110409630 B CN110409630 B CN 110409630B CN 201910639433 A CN201910639433 A CN 201910639433A CN 110409630 B CN110409630 B CN 110409630B
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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
- E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
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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
- E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
- E04B1/6108—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together
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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
- E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
- E04B1/6108—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together
- E04B1/612—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces
Abstract
The invention relates to an on-site connecting method for an end of an assembled prefabricated slab, which comprises the following steps of: firstly, placing a first precast slab; secondly, placing an edge positioning plate; thirdly, placing a central positioning plate; fourthly, placing other prefabricated plates; and fifthly, connecting the board ends. The invention can accurately position the precast slab during assembly, improve the integrity of the precast slab, simultaneously ensure that the prestressed steel strands are more firmly connected, improve the working efficiency and save the installation time.
Description
Technical Field
The invention relates to an on-site connection method for an end of an assembled prefabricated slab, and belongs to the technical field of construction of assembled buildings in the civil engineering discipline.
Background
The fabricated building is a building which is produced by producing structural components such as plates, beams, walls, stairs and the like required by the building according to standards in a factory and then assembling the prefabricated components on a construction site. With the acceleration of the 'building industrialization and housing industrialization' process in China, the development of new technologies for assembled prefabricated parts becomes a new hot spot. Because the prefabricated parts are produced in factories, the construction quality is easy to be controlled in a standardized way, and the transportation and installation environment is complex and has a plurality of influencing factors. Therefore, the field installation technique of the prefabricated parts becomes more critical. When the prefabricated slab is installed on site, firstly, determining the position where the prefabricated slab needs to be placed according to drawing measurement, and hoisting the prefabricated slab in place according to the position; then pre-embedded anchor steel bars are placed in plate seams or core holes of the two plates to resist the transverse shearing force of the plates; and finally, pouring concrete at the joints of the precast slab ends and the slab sides. The construction process has the following disadvantages:
(1) the placing position of each prefabricated plate needs to be measured and determined in advance, and the prefabricated plates cannot be positioned at one time;
(2) anchor pulling reinforcing steel bars need to be manufactured on site, and the anchor pulling reinforcing steel bars are placed in plate seams or core holes between two adjacent prefabricated plates during connection, so that the operation steps are complicated;
(3) the quality of the joint at the board end joint cannot be controlled in a standardized manner.
At present, in order to solve the problems of the prefabricated slab on-site construction at the present stage, it is necessary to develop a method for connecting the ends of the prefabricated slabs on-site so as to ensure the quality of the prefabricated slab on-site construction.
Disclosure of Invention
The invention provides an on-site connecting method for prefabricated plate ends, which is used for solving the problems that the placing position of a prefabricated plate cannot be positioned at one time, the operation steps of pulling and anchoring reinforcing steel bars are complicated, the connecting quality of a plate end seam cannot be ensured and the like in the process of connecting the prefabricated plate ends at present.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: an end socket on-site connection method for an assembled prefabricated slab comprises a slab body, a hollow hole, prestressed steel strands of which two ends extend out of end sockets, and positioning grooves fixedly arranged at corners of the slab end; a connecting component, an edge positioning plate and a center positioning plate are arranged between the adjacent prefabricated plates; the connecting members are used for connecting the prestressed steel strands corresponding to the ends of the adjacent prefabricated plates; the edge positioning plate is matched with the positioning groove and used for positioning the adjacent prefabricated plates at the edge positions; the central positioning plate is matched with the positioning groove and used for positioning the adjacent prefabricated plates at the middle position; the connection method comprises the following steps:
(1) placing a first prefabricated plate: determining the position according to a drawing, placing a first prefabricated plate through a hoisting device, checking the placing position and confirming that no fault exists;
(2) placing an edge positioning plate: installing an edge positioning plate in a positioning groove at the edge part of the plate end of the first prefabricated plate;
(3) placing a central positioning plate: installing a central positioning plate in a positioning groove in the middle of the end of the first precast slab;
(4) and (3) laying other prefabricated plates: the placing position of the second precast slab is based on the edge positioning plate and the center positioning plate on the first precast slab, and the remaining precast slabs are placed at corresponding positions by the same method;
(5) plate end connection:
(5-1) connecting steel strand nodes: connecting the prestressed steel strands corresponding to the two adjacent prefabricated plates through a connecting member;
(5-2) pouring concrete on the post-cast strip at the end of the slab: pouring concrete into the area enclosed by the edge positioning plate, the center positioning plate and the precast slab and vibrating the concrete to be compact;
and (5-3) adopting a covering watering moisturizing maintenance method to enable the prefabricated plates adjacent to each other to form an integral continuous body.
The positioning groove comprises an L-shaped connecting plate, two U-shaped clamping grooves and a positioning groove rivet, wherein the U-shaped clamping grooves and the positioning groove rivet are respectively and fixedly arranged on two sides of the L-shaped connecting plate, and the positioning groove rivet is fixedly arranged on the inner side surface of the L-shaped connecting plate and used for fixing the positioning groove at the edge of the end of the prefabricated plate.
The edge positioning plate comprises a sealing plate and two edge fixing insertion pieces which are fixedly arranged on two sides of the sealing plate respectively, the edge fixing insertion pieces are equilateral L-shaped plates, and two right-angle edges of the edge fixing insertion pieces are matched with two U-shaped clamping grooves of the positioning groove respectively.
The further setting lies in, the central locating plate includes two parallel arrangement's leakage plate, is used for connecting two leakage plate's connecting plate, sets up respectively in the fixed inserted sheet in center of leakage plate both sides, the fixed inserted sheet in center is the equilateral L template, its two right-angle sides respectively with two U type draw-in grooves phase-matches of constant head tank.
The connecting member comprises a connecting steel strand and two anchoring joints which are respectively welded at two ends of the connecting steel strand, the connecting steel strand is in a curved cylinder shape, and the connecting steel strand can be bent and is in a linear shape after being connected with the plate; the anchoring joint comprises an anchoring cylinder with a hollow inner part and a one-way valve arranged in the anchoring cylinder, and the one-way valve is matched with the prestressed steel strand, so that the prestressed steel strand can be inserted in one direction only and cannot be pulled out reversely.
The further arrangement is that a reverse spring is arranged on the side face of the anchoring joint, and the reverse spring is a circular pressing device and matched with the one-way valve for controlling the opening and closing of the one-way valve.
Further, the specific placing steps of the edge positioning plate in the step (2) are as follows: and the edge fixing insertion piece at any side of the edge positioning plate is clamped into the U-shaped clamping groove of the positioning groove at the edge part of the plate end of the first prefabricated plate.
Further, the specific placement steps of the center positioning plate in the step (3) are as follows: any one center fixing insertion piece of the center positioning plate is clamped into a U-shaped clamping groove of a positioning groove in the middle of the end of the first precast slab.
Further, the method is characterized in that the specific placement steps of the second prefabricated plate in the step (4) are as follows: the second prefabricated plate is lifted by the lifting device, the placing position is based on the edge positioning plate and the center positioning plate on the first prefabricated plate, and the edge fixing insertion piece and the center fixing insertion piece are respectively clamped into the corresponding U-shaped clamping grooves on the second prefabricated plate.
Further, it is characterized in that the step (5-1) further comprises the steps of: and checking whether the steel strand node connection is correct and tight, and if the connection is wrong or loose, opening the one-way valve by pressing the reverse spring to reversely withdraw the anchoring joint and correctly connect again.
After adopting the scheme, compared with the prior art, the invention has the following advantages:
1. the edge positioning plate and the center positioning plate are used, so that the reserved distance between the prefabricated plates is accurately controlled, and meanwhile, the integrity between the prefabricated plates can be improved;
2. the prestressed steel strands in the prefabricated slab are connected through the connecting members, so that the prefabricated slab has the characteristics of firm connection, simplicity in installation, rapidness and convenience, and the operation steps during connection of junctions are simplified;
3. the invention ensures that the installation of other prefabricated plates except the first prefabricated plate does not need positioning and marking, saves the installation time of workers, improves the working efficiency and ensures that the connection quality of the joint of the plate ends is controlled in a standardized way.
Drawings
FIG. 1 is a schematic view showing the integral connection of prefabricated panels according to the present invention.
FIG. 2 is a schematic view showing the construction of a single block of the prefabricated panel of the present invention.
FIG. 3 is a schematic view of a positioning groove of the present invention.
Fig. 4 is a schematic view of the structure of the connecting member of the present invention.
FIG. 5 is a schematic view of the construction of the anchor joint of the present invention.
FIG. 6 is a schematic view of the edge positioning plate of the present invention.
FIG. 7 is a schematic diagram of the structure of the center positioning plate of the present invention.
Reference numbers in the figures: 1, 11 precast slab bodies, 12 precast slab hollow holes, 13 prestressed steel strands, 14 positioning grooves, 141U-shaped clamping grooves, 142L-shaped connecting plates and 143 positioning groove rivets; 2, connecting members, 21 connecting steel strands, 22 anchoring joints, 221 anchoring cylinders, 222 one-way valves and 223 reverse springs; 3, edge positioning plates, 31 edge fixing insertion sheets and 32 closing plates; 4, a central positioning plate, a leakage plate 41, a central fixing inserting piece 42 and a connecting plate 43; 5, post-pouring a belt at the end of the plate.
Detailed Description
The prefabricated plate adopted in this embodiment has a length of 3000mm, a width of 1200mm and a height of 120mm, and 8 pre-buried prestressed steel strands are described in further detail below with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1-7, the prefabricated slab end positioning and connecting device of the invention comprises a prefabricated slab 1, a connecting member 2, an edge positioning plate 3, a center positioning plate 4 and a slab end post-pouring belt 5.
The precast slab 1 consists of a precast slab body 11, a precast slab hollow hole 12, a prestressed steel strand 13 and a positioning groove 14.
The prefabricated plate body 11 is 3000mm long, 1200mm wide and 120mm high.
The prefabricated plate hollow holes 12 are 13 circular holes with the diameter of 25mm, are uniformly arranged at intervals of 37mm in the width direction of the prefabricated plate body 11, penetrate through the length direction of the prefabricated plate body 11, the thickness of the protective layer in the height direction of the prefabricated plate body 11 is 35mm, and the thickness of the protective layer in the width direction of the prefabricated plate body 11 is 53 mm.
The prestressed steel strands 13 are steel strands with the diameter of 12.7mm, 8 steel strands are arranged in a tension area at the lower portion of the precast slab body 11, the thickness of the concrete protective layer is 40mm, the concrete protective layer is arranged along the longitudinal direction of the precast slab body 11, and two ends of each prestressed steel strand extend out of the slab end of the precast slab body 11 by 30 mm.
The positioning groove 14 is composed of a U-shaped groove 141, an L-shaped connecting plate 142 and a positioning groove rivet 143. The aligning grooves 14 are anchored to the four board end corners of the prefabricated board body 11 by aligning groove rivets 143.
The U-shaped clamping groove 141 is in a U-shaped long strip shape, the depth of the U-shaped groove is 20mm, the width of the U-shaped groove is 2mm, and the length of the U-shaped groove is 120 mm.
The L-shaped connecting plate 142 is in the shape of an equilateral L with a long strip, the side of the equilateral L is 80mm wide, 2mm thick and 120mm long.
The positioning groove rivets 143 are cylindrical, have a diameter of 10mm and a length of 30mm, are totally 4, and are fixed at four corners of the L-shaped connecting plate 142.
The connecting member 2 consists of connecting steel strands 21 and 2 anchoring joints 22, and can connect the prestressed steel strands 13 at the plate ends of the adjacent prefabricated plates 1 together, and the length of the whole connecting member 2 is 150 mm.
The connecting steel strand 21 is a curved cylinder with a diameter of 12.7mm and a length of 9mm, and the connecting steel strand can be bent and is in a linear shape after being connected with a plate.
The anchoring joint 22 consists of an anchoring cylinder 221, a one-way valve 222 and a reverse spring 223.
The anchoring cylinder 221 is a hollow cylinder, the inner diameter is 15mm, the outer diameter is 25mm, the height is 30mm, and one end of the anchoring cylinder is welded with the connecting steel strand 21 into a whole.
The check valve 222 is a circular check valve which can be opened and closed, has a diameter of 15mm, is placed in the inner diameter of the circular ring of the anchoring cylinder 221, is matched with the prestressed steel strand 13, and can lock the prestressed steel strand 13 inserted into the anchoring joint 22, so that the prestressed steel strand can be inserted only in one direction and cannot be pulled out reversely.
The reverse spring 223 is a circular pressing device with a diameter of 5mm, is arranged on the side surface of the anchoring joint 22, is matched with the one-way valve 222, can control the opening and closing of the one-way valve 224, can be inserted and reversely withdrawn when pressed, and can only be inserted in one direction and can not be reversely withdrawn when closed. If a connection error occurs in the installation process, the one-way valve 222 can be opened by pressing the reverse spring 223, so that the anchoring joint 22 is reversely withdrawn and reconnected.
The edge positioning plate 3 consists of an edge fixing insertion piece 31 and a closing plate 32.
The edge fixing insertion pieces 31 are equilateral L-shaped plates, the number of the edge fixing insertion pieces is two, the width of each L-shaped edge is 80mm, the thickness of each L-shaped edge is 2mm, the height of each L-shaped edge is 120mm, the L-shaped edges are fixedly connected with the closing plates 31 in the height direction, and the L-shaped edges are matched with the U-shaped clamping grooves 141.
The closing plate 32 is a rectangular thin plate, and has a height of 120mm, a thickness of 2mm and a length of 150mm and 30 mm.
The central positioning plate 4 consists of a leakage plate 41, a central fixing insertion sheet 42 and a connecting plate 43.
The seepage board 41 be the rectangle sheet metal, totally two, mutual parallel arrangement, long 150mm, high 120mm, thick 2mm, evenly arrange 9 diameter 20 mm's circular hole on the face, can supply the concrete to pass through from the centre.
The central fixed inserting piece 42 is an equilateral L-shaped plate, the number of the central fixed inserting pieces is four, the width of an L-shaped edge is 80mm, the thickness of the L-shaped edge is 2mm, the height of the L-shaped edge is 120mm, the L-shaped edge is fixedly connected with the leakage plate 41 along the height direction, and the L-shaped edge is matched with the U-shaped clamping groove 141.
The connecting plate 43 is a rectangular thin sheet with the width of 40mm, the thickness of 2mm and the height of 120mm, and the two connecting plates are used for connecting the leakage plate 41 and the central fixing insertion piece 42 into a whole.
The plate end post-cast strip 5 is 150mm wide and is an area enclosed by the edge positioning plate 3, the center positioning plate 4 and the four precast slabs 1.
The specific implementation method of the embodiment includes the following steps:
(1) and placing the first precast slab.
(1-1) determining a mounting position: determining that the first prefabricated slab 1 needs to be placed at the upper left corner of the whole slab according to a construction drawing, and marking the corresponding position;
(1-2) hoisting a first prefabricated plate: placing the first precast slab 1 to a designated position marked in advance through a hoisting device;
(1-3) checking the mounting position: and (4) checking whether the placing position of the first prefabricated plate 1 is correct through a measuring instrument, and carrying out the next step after the situation that no error exists is confirmed.
(2) And placing an edge positioning plate.
The edge fixing inserting piece 31 on the edge positioning plate 3 is clamped into the U-shaped clamping groove 141 at the edge part of the plate end of the first prefabricated plate 1 which is already arranged.
(3) And placing a central positioning plate.
Any one central fixing inserting piece 42 of the middle positioning plate 4 is clamped into the U-shaped clamping groove 141 at the middle part of the plate end of the first prefabricated plate 1 which is already arranged.
(4) And placing other prefabricated plates.
The second prefabricated plate 1 is lifted by a lifting device, the placing positions are based on the edge positioning plate 3 and the center positioning plate 4 on the first prefabricated plate 1, so that the edge fixing insertion piece 31 and the center fixing insertion piece 42 are clamped into the U-shaped clamping grooves 141 at the corresponding positions, and the rest prefabricated plates 1 are placed at the corresponding positions by the same method.
(5) The board ends are connected.
(5-1) connecting steel strand nodes: connecting the prestressed steel strands 13 of two adjacent prefabricated plates 1 extending out of the plate ends through a connecting member 2;
(5-2) checking whether the connection of the steel strand nodes is correct and tight, if the connection is wrong or loose, opening the one-way valve 222 by pressing the reverse spring 223 to reversely withdraw the anchoring joint 22, and reconnecting;
(5-3) pouring C30 concrete into the post-cast strip 5 at the end of the slab and vibrating to compact the concrete;
(5-4) the prefabricated panels 1 adjacent to each other form a complete continuous body by adopting a covering, watering, moisturizing and curing method, so that the overall coordination of the prefabricated panels 1 is improved.
The foregoing is merely an illustration of specific embodiments of this invention and insubstantial modifications of the invention, if any, are intended to fall within the scope of the invention.
Claims (10)
1. The on-site connection method for the end heads of the prefabricated slabs comprises a slab body, a hollow hole and prestressed steel strands, wherein the end heads of the prestressed steel strands extend out of two ends of the hollow hole, and is characterized in that: the prefabricated plate also comprises a positioning groove fixedly arranged at the corner of the plate end; a connecting component, an edge positioning plate and a center positioning plate are arranged between the adjacent prefabricated plates; the connecting members are used for connecting the prestressed steel strands corresponding to the ends of the adjacent prefabricated plates; the edge positioning plate is matched with the positioning groove and used for positioning the adjacent prefabricated plates at the edge positions; the central positioning plate is matched with the positioning groove and used for positioning the adjacent prefabricated plates at the middle position; the connection method comprises the following steps:
(1) placing a first prefabricated plate: determining the position according to a drawing, placing a first prefabricated plate through a hoisting device, checking the placing position and confirming that no fault exists;
(2) placing an edge positioning plate: installing an edge positioning plate in a positioning groove at the edge part of the plate end of the first prefabricated plate;
(3) placing a central positioning plate: installing a central positioning plate in a positioning groove in the middle of the end of the first precast slab;
(4) and (3) laying other prefabricated plates: the placing position of the second precast slab is based on the edge positioning plate and the center positioning plate on the first precast slab, and the remaining precast slabs are placed at corresponding positions by the same method;
(5) plate end connection:
(5-1) connecting steel strand nodes: connecting the prestressed steel strands corresponding to the two adjacent prefabricated plates through a connecting member;
(5-2) pouring concrete on the post-cast strip at the end of the slab: pouring concrete into the area enclosed by the edge positioning plate, the center positioning plate and the precast slab and vibrating the concrete to be compact;
and (5-3) adopting a covering watering moisturizing maintenance method to enable the prefabricated plates adjacent to each other to form an integral continuous body.
2. The on-site connecting method for the end heads of the prefabricated panels as claimed in claim 1, wherein: the positioning groove comprises an L-shaped connecting plate, two U-shaped clamping grooves and a positioning groove rivet, wherein the U-shaped clamping grooves and the positioning groove rivet are respectively fixedly arranged on two sides of the L-shaped connecting plate, and the positioning groove rivet is fixedly arranged on the inner side surface of the L-shaped connecting plate and used for fixing the positioning groove at the edge of the end of the prefabricated plate.
3. The on-site connecting method for the end heads of the prefabricated panels as claimed in claim 1, wherein: the edge locating plate includes that the closing plate and two are fixed respectively and set up in the edge fixed inserted sheet of closing plate both sides, edge fixed inserted sheet is the equilateral L template, its two right-angle sides respectively with two U type draw-in grooves phase-matches of constant head tank.
4. The on-site connecting method for the end heads of the prefabricated panels as claimed in claim 1, wherein: the central locating plate includes two parallel arrangement's leakage plate, is used for connecting two leakage plate's connecting plate, sets up respectively in the center fixed inserted sheet of leakage plate both sides, center fixed inserted sheet is the equilateral L template, its two right-angle sides respectively with two U type draw-in grooves phase-matchs of constant head tank.
5. The on-site connecting method for the end heads of the prefabricated panels as claimed in claim 1, wherein: the connecting member comprises a connecting steel strand and two anchoring joints which are respectively welded at two ends of the connecting steel strand, the connecting steel strand is in a curved cylinder shape, and the connecting steel strand can be bent and is in a linear shape after being connected with the plate; the anchoring joint comprises an anchoring cylinder with a hollow inner part and a one-way valve arranged in the anchoring cylinder, and the one-way valve is matched with the prestressed steel strand, so that the prestressed steel strand can be inserted only in one direction and cannot be pulled out reversely.
6. The on-site connecting method for the end heads of the prefabricated panels as claimed in claim 5, wherein: the side of the anchoring joint is provided with a reverse spring, and the reverse spring is a circular pressing device and matched with the one-way valve and used for controlling the opening and closing of the one-way valve.
7. The on-site connecting method for the prefabricated slab end sockets of claim 3, wherein the edge positioning plate in the step (2) is specifically arranged as follows: and the edge fixing insertion piece at any side of the edge positioning plate is clamped into the U-shaped clamping groove of the positioning groove at the edge part of the plate end of the first prefabricated plate.
8. The on-site connecting method for the prefabricated slab end sockets of claim 4, wherein the specific installation steps of the center positioning plate in the step (3) are as follows: any one center fixing insertion piece of the center positioning plate is clamped into a U-shaped clamping groove of a positioning groove in the middle of the end of the first precast slab.
9. The on-site connecting method for the ends of the prefabricated panels as claimed in claim 3 or 4, wherein the specific installation steps of the second prefabricated panel in the step (4) are as follows: the second prefabricated plate is lifted by the lifting device, the placing position is based on the edge positioning plate and the center positioning plate on the first prefabricated plate, and the edge fixing insertion piece and the center fixing insertion piece are respectively clamped into the corresponding U-shaped clamping grooves on the second prefabricated plate.
10. The on-site connecting method for prefabricated panel ends according to claim 6, wherein said step (5-1) further comprises the steps of: and checking whether the steel strand node connection is correct and tight, and if the connection is wrong or loose, opening the one-way valve by pressing the reverse spring to reversely withdraw the anchoring joint and correctly connect again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910639433.4A CN110409630B (en) | 2019-07-16 | 2019-07-16 | On-site connection method for end of prefabricated slab |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910639433.4A CN110409630B (en) | 2019-07-16 | 2019-07-16 | On-site connection method for end of prefabricated slab |
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| CN110409630A CN110409630A (en) | 2019-11-05 |
| CN110409630B true CN110409630B (en) | 2020-11-06 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1632256A (en) * | 2005-01-14 | 2005-06-29 | 吴方伯 | Reinforced concrete split joint floorslab and construction method thereof |
| CN1776089A (en) * | 2004-11-18 | 2006-05-24 | 马克斯博革建筑有限公司 | Plate combination structure manufacturing method and pre-fabricated reinforced concrete slab and tensioning device |
| KR20090058101A (en) * | 2007-12-04 | 2009-06-09 | 한국건설기술연구원 | Composite bridge structure with concrete shear connector and construction method of the same |
| CN108978853A (en) * | 2018-08-18 | 2018-12-11 | 沈阳建筑大学 | Assemble type concrete slab connecting node |
| DE202019100010U1 (en) * | 2018-10-17 | 2019-01-18 | Zhichen Qian | Prefabricated plate and connecting structure between a prefabricated plate and a prefabricated plate and a beam |
| CN208965867U (en) * | 2018-10-17 | 2019-06-11 | 钱至棽 | The connection structure that a kind of prefabricated board and prefabricated board are connect with prefabricated board, beam |
-
2019
- 2019-07-16 CN CN201910639433.4A patent/CN110409630B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1776089A (en) * | 2004-11-18 | 2006-05-24 | 马克斯博革建筑有限公司 | Plate combination structure manufacturing method and pre-fabricated reinforced concrete slab and tensioning device |
| CN1632256A (en) * | 2005-01-14 | 2005-06-29 | 吴方伯 | Reinforced concrete split joint floorslab and construction method thereof |
| KR20090058101A (en) * | 2007-12-04 | 2009-06-09 | 한국건설기술연구원 | Composite bridge structure with concrete shear connector and construction method of the same |
| CN108978853A (en) * | 2018-08-18 | 2018-12-11 | 沈阳建筑大学 | Assemble type concrete slab connecting node |
| DE202019100010U1 (en) * | 2018-10-17 | 2019-01-18 | Zhichen Qian | Prefabricated plate and connecting structure between a prefabricated plate and a prefabricated plate and a beam |
| CN208965867U (en) * | 2018-10-17 | 2019-06-11 | 钱至棽 | The connection structure that a kind of prefabricated board and prefabricated board are connect with prefabricated board, beam |
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|---|---|
| CN110409630A (en) | 2019-11-05 |
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