CN110453847B - An assembled prefabricated board end positioning connection device - Google Patents
An assembled prefabricated board end positioning connection device Download PDFInfo
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- CN110453847B CN110453847B CN201910639435.3A CN201910639435A CN110453847B CN 110453847 B CN110453847 B CN 110453847B CN 201910639435 A CN201910639435 A CN 201910639435A CN 110453847 B CN110453847 B CN 110453847B
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 39
- 239000010959 steel Substances 0.000 claims abstract description 39
- 238000005266 casting Methods 0.000 claims abstract 2
- 238000004873 anchoring Methods 0.000 claims description 24
- 238000003780 insertion Methods 0.000 claims description 19
- 230000037431 insertion Effects 0.000 claims description 19
- 238000009434 installation Methods 0.000 abstract description 7
- 238000010276 construction Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 239000011241 protective layer Substances 0.000 description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000001723 curing Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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Classifications
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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
-
- 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
-
- 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
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/08—Members specially adapted to be used in prestressed constructions
- E04C5/12—Anchoring devices
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/162—Connectors or means for connecting parts for reinforcements
- E04C5/163—Connectors or means for connecting parts for reinforcements the reinforcements running in one single direction
- E04C5/165—Coaxial connection by means of sleeves
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
本发明涉及一种装配式预制板端头定位连接装置，包括预制板、连接构件、边缘定位板、中心定位板和板端头后浇带，所述连接构件用于连接相邻的预制板板端的预应力钢绞线，所述边缘定位板和中心定位板用于确定预制板的安装位置，所述板端头后浇带为预制板、边缘定位板、中心定位板围成的区域，用于浇筑混凝土。本发明可使预制板在装配时得到精确定位，提高预制板的整体性，同时使预应力钢绞线的连接更加牢固，并且提高了工作效率，节省了安装时间。
The invention relates to an assembled prefabricated board end positioning and connecting device, comprising a prefabricated board, a connecting member, an edge positioning board, a central positioning board and a board end post-casting tape, and the connecting member is used for connecting adjacent prefabricated boards. The prestressed steel strand at the end, the edge positioning plate and the center positioning plate are used to determine the installation position of the prefabricated plate. for pouring concrete. The invention can accurately position the prefabricated plate during assembly, improve the integrity of the prefabricated plate, and at the same time make the connection of the prestressed steel strands firmer, improve the work efficiency and save the installation time.
Description
Technical Field
The invention relates to an end positioning and connecting device for 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 positioning and connecting device for the end of the prefabricated slab to ensure the on-site construction quality of the prefabricated slab.
Disclosure of Invention
The invention provides an end positioning and connecting device for an assembled precast slab, which is used for solving the problems that the placing position of the precast slab cannot be positioned at one time, the operation steps of pulling and anchoring steel bars are complicated, the connection quality of the joint of the slab ends cannot be ensured and the like when the precast slab ends are connected at present.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: an end positioning and connecting device for prefabricated panels, comprising: the prefabricated plate comprises a plate body, a hollow hole, prestressed steel strands with two ends extending out of end heads and positioning grooves fixedly arranged at corners of the plate end, wherein each positioning groove comprises an L-shaped connecting plate, two U-shaped clamping grooves and a positioning groove rivet, the two U-shaped clamping grooves are fixedly arranged at two sides of the L-shaped connecting plate respectively; the connecting member is used for connecting the prestressed steel strands corresponding to the ends of the adjacent prefabricated plates and comprises a connecting steel strand and two anchoring joints welded at two ends of the connecting steel strand respectively; the edge positioning plate is matched with the positioning groove and used for positioning between adjacent prefabricated plates at the edge positions, the edge positioning plate comprises a closing plate and two edge fixing insertion pieces which are fixedly arranged on two sides of the closing plate respectively, and the edge fixing insertion pieces are matched with the U-shaped clamping grooves; the central positioning plate is matched with the positioning groove and used for positioning between adjacent prefabricated plates at the middle position, the central positioning plate comprises two leakage plates which are arranged in parallel, a connecting plate for connecting the two leakage plates and central fixing insertion pieces which are respectively arranged at two sides of the leakage plates, and the central fixing insertion pieces are matched with the U-shaped clamping grooves; and the plate end post-pouring belt is an area enclosed by the edge positioning plate, the center positioning plate and the precast slab end and is used for pouring concrete.
The further arrangement is that the connecting steel strand is in the shape of a curved cylinder, the connecting steel strand is bendable and is in a linear shape after being connected with the plate.
The further arrangement is that 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.
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.
The positioning groove is further formed in the inner side surface of the L-shaped connecting plate of the positioning groove, and the positioning groove is fixedly connected to the plate end corner of the prefabricated plate through the positioning groove rivet.
The further setting lies in, the fixed inserted sheet in edge is equilateral L template, and its two right-angle sides respectively with two U type draw-in grooves phase-matchs of constant head tank.
The further setting lies in, the fixed inserted sheet in center is equilateral L template, and its two right-angle sides respectively with two U type draw-in grooves phase-matchs of constant head tank.
The further arrangement is that a plurality of round holes are formed in the surface of the leakage plate, and when concrete is poured, the concrete can pass through the holes.
The further arrangement is that the number of the circular holes is 9, and the circular holes are uniformly distributed on the surface of the leakage plate.
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, 1-2, a hollow hole of the precast slab, 1-3, a prestressed steel strand, 1-4 positioning grooves, 1-4-1U-shaped clamping grooves, 1-4-2L-shaped connecting plates and 1-4-3 positioning groove rivets; 2, connecting a member, 2-1 connecting a steel strand, 2-2 anchoring joints, 2-2-1 anchoring cylinders, 2-2-2 one-way valves and 2-2-3 reverse springs; 3, edge positioning plates, 3-1 edge fixing insertion pieces and 3-2 closing plates; 4, a central positioning plate, 4-1 leakage plates, 4-2 central fixing insertion pieces and 4-3 connecting plates; 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 prefabricated slab 1 consists of a prefabricated slab body 1-1, prefabricated slab hollow holes 1-2, prestressed steel strands 1-3 and positioning grooves 1-4.
The prefabricated plate body is 1-1 mm long, 1200mm wide and 120mm high.
The prefabricated plate hollow holes 1-2 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 1-1, penetrate through the length direction of the prefabricated plate body 1-1, the thickness of the protective layer in the height direction of the prefabricated plate body 1-1 is 35mm, and the thickness of the protective layer in the width direction of the prefabricated plate body 1-1 is 53 mm.
The prestressed steel strands 1-3 are steel strands with the diameter of 12.7mm, 8 steel strands are arranged in a tension area at the lower part of the precast slab body 1-1, the thickness of the concrete protective layer is 40mm, the concrete protective layer is arranged along the longitudinal direction of the precast slab body 1-1, and two ends of each prestressed steel strand extend out of the slab end of the precast slab body 1-1 by 30 mm.
The positioning groove 1-4 consists of a U-shaped clamping groove 1-4-1, an L-shaped connecting plate 1-4-2 and a positioning groove rivet 1-4-3. The positioning grooves 1-4 are anchored at the four plate end corners of the prefabricated plate body 1-1 through positioning groove rivets 1-4-3.
The U-shaped clamping groove 1-4-1 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 1-4-2 is in an equilateral L shape and is long strip shape, the width of the edge of the equilateral L shape is 80mm, the thickness is 2mm, and the length is 120 mm.
The positioning groove rivets 1-4-3 are cylindrical, 10mm in diameter and 30mm in length, and are fixed at four corners of the L-shaped connecting plate 1-4-2 in total.
The connecting member 2 consists of a connecting steel strand 2-1 and 2 anchoring joints 2-2, and can connect prestressed steel strands 1-3 at the plate ends of adjacent prefabricated plates 1 together, and the length of the whole connecting member 2 is 150 mm.
The connecting steel strand 2-1 is a curved cylinder with a diameter of 12.7mm and a length of 9mm, and can be bent and connected with the plate to form a straight line.
The anchoring joint 2-2 consists of an anchoring cylinder 2-2-1, a one-way valve 2-2-2 and a reverse spring 2-2-3.
The anchoring cylinder 2-2-1 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 2-1 into a whole.
The one-way valve 2-2-2 is a circular one-way valve which can be opened and closed, has the diameter of 15mm, is placed in the inner diameter of a circular ring of the anchoring cylinder 2-2-1 and is matched with the prestressed steel strand 1-3, and can lock the prestressed steel strand 1-3 inserted into the anchoring joint 2-2, so that the prestressed steel strand can be inserted into the anchoring joint in one direction only and cannot be pulled out reversely.
The reverse spring 2-2-3 is a circular pressing device with the diameter of 5mm, is arranged on the side surface of the anchoring joint 2-2, is matched with the one-way valve 2-2, can control the opening and closing of the one-way valve 2-2-4, can be inserted and withdrawn reversely when pressed, and can be inserted only in one direction and can not be withdrawn reversely when closed. If a connection error occurs in the installation process, the one-way valve 2-2-2 can be opened by pressing the reverse spring 2-2-3, so that the anchoring joint 2-2 is reversely withdrawn and reconnected.
The edge positioning plate 3 consists of an edge fixing insertion piece 3-1 and a closing plate 3-2.
The edge fixing insertion pieces 3-1 are equilateral L-shaped plates, 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, each L-shaped edge is fixedly connected with the closing plate 3-1 along the height direction, and each L-shaped edge is matched with the U-shaped clamping groove 1-4-1.
The closing plate 3-2 is a rectangular thin plate, and is 120mm high, 2mm thick and 150mm and 30mm long.
The central positioning plate 4 consists of a leakage plate 4-1, a central fixing insertion piece 4-2 and a connecting plate 4-3.
The leakage plates 4-1 are rectangular thin plates which are two in total and are arranged in parallel, the length is 150mm, the height is 120mm, the thickness is 2mm, 9 round holes with the diameter of 20mm are uniformly distributed on the surfaces of the plates, and concrete can pass through the holes.
The central fixing insertion pieces 4-2 are equilateral L-shaped plates, 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, each L-shaped edge is fixedly connected with the corresponding leakage plate 4-1 along the height direction, and each L-shaped edge is matched with the corresponding U-shaped clamping groove 1-4-1.
The connecting plate 4-3 is a rectangular 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 4-1 and the central fixing insertion piece 4-2 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 3-1 on the edge positioning plate 3 is clamped into the U-shaped clamping groove 1-4-1 at the edge part of the plate edge of the first prefabricated plate 1 which is already placed.
(3) And placing a central positioning plate.
Any one central fixing inserting piece 4-2 of the middle positioning plate 4 is clamped into the U-shaped clamping groove 1-4-1 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 3-1 and the center fixing insertion piece 4-2 are clamped into the U-shaped clamping grooves 1-4-1 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 prestressed steel strands 1-3 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 2-2-2 by pressing the reverse spring 2-2-3 to enable the anchoring joint 2-2 to reversely withdraw, 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 (9)
1. The utility model provides an assembled prefabricated plate end location connecting device which characterized in that includes:
the prefabricated plate comprises a plate body, a hollow hole, prestressed steel strands with two ends extending out of end heads and positioning grooves fixedly arranged at corners of the plate end, wherein each positioning groove comprises an L-shaped connecting plate, two U-shaped clamping grooves and a positioning groove rivet, the two U-shaped clamping grooves are fixedly arranged at two sides of the L-shaped connecting plate respectively;
the connecting member is used for connecting the prestressed steel strands corresponding to the ends of the adjacent prefabricated plates and comprises a connecting steel strand and two anchoring joints welded at two ends of the connecting steel strand respectively;
the edge positioning plate is matched with the positioning groove and used for positioning between adjacent prefabricated plates at the edge positions, the edge positioning plate comprises a closing plate and two edge fixing insertion pieces which are fixedly arranged on two sides of the closing plate respectively, and the edge fixing insertion pieces are matched with the U-shaped clamping grooves;
the central positioning plate is matched with the positioning groove and used for positioning between adjacent prefabricated plates at the middle position, the central positioning plate comprises two leakage plates which are arranged in parallel, a connecting plate for connecting the two leakage plates and central fixing insertion pieces which are respectively arranged at two sides of the leakage plates, and the central fixing insertion pieces are matched with the U-shaped clamping grooves; and
the slab end post-cast strip is an area enclosed by the edge positioning plate, the center positioning plate and the precast slab end and is used for casting concrete.
2. The prefabricated panel end positioning and connecting device as claimed in claim 1, wherein the connecting steel strand is in the shape of a curved cylinder, and the connecting steel strand is curved and is in a straight shape after being connected with the panel.
3. The prefabricated slab end positioning and connecting device as claimed in claim 1, wherein the anchoring joint comprises an anchoring cylinder with a hollow interior, and a one-way valve arranged in the anchoring cylinder, and the one-way valve is matched with the prestressed steel strands so that the prestressed steel strands can be inserted only in one direction and cannot be pulled out reversely.
4. The prefabricated slab end positioning and connecting device as claimed in claim 3, wherein the anchoring connector is laterally provided with a reverse spring, and the reverse spring is a circular pressing device matched with the one-way valve and used for controlling the opening and closing of the one-way valve.
5. The prefabricated panel end positioning and connecting device as claimed in claim 1, wherein a positioning groove rivet is provided on an inner side surface of the L-shaped connecting plate of the positioning groove, and the positioning groove is fixedly connected to the panel end corner of the prefabricated panel by the positioning groove rivet.
6. The positioning and connecting device for the ends of prefabricated panels as claimed in claim 1, wherein the edge fixing insertion pieces are equilateral L-shaped plates, and two right-angled sides of the equilateral L-shaped plates are respectively matched with the two U-shaped slots of the positioning slots.
7. The positioning and connecting device for the ends of prefabricated panels as claimed in claim 1, wherein the central fixing insertion piece is an equilateral L-shaped plate, and two right-angled sides of the equilateral L-shaped plate are respectively matched with the two U-shaped slots of the positioning slot.
8. The positioning and connecting device for the ends of prefabricated panels as claimed in claim 1, wherein the face of the said perforated plate is provided with a plurality of circular holes for allowing concrete to pass through when pouring concrete.
9. The positioning and connecting device for the end heads of the prefabricated panels as claimed in claim 8, wherein the number of the circular holes is 9, and the circular holes are uniformly distributed on the surface of the leakage plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910639435.3A CN110453847B (en) | 2019-07-16 | 2019-07-16 | An assembled prefabricated board end positioning connection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910639435.3A CN110453847B (en) | 2019-07-16 | 2019-07-16 | An assembled prefabricated board end positioning connection device |
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| CN110453847A CN110453847A (en) | 2019-11-15 |
| CN110453847B true CN110453847B (en) | 2021-07-06 |
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| CN201910639435.3A Active CN110453847B (en) | 2019-07-16 | 2019-07-16 | An assembled prefabricated board end positioning connection device |
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| JPH094120A (en) * | 1995-06-22 | 1997-01-07 | Supankuriito Corp:Kk | Precast concrete plate and its manufacture |
| CN2771349Y (en) * | 2005-01-14 | 2006-04-12 | 吴方伯 | Reinforced concrete spliced floor |
| 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 |
| JP5061804B2 (en) * | 2007-09-12 | 2012-10-31 | 株式会社大林組 | Joint structure of a pair of full PC members |
| CN103469825A (en) * | 2013-09-04 | 2013-12-25 | 中建三局第一建设工程有限责任公司 | Prefabricated water-resistant post-pouring belt formwork and installation method |
| CN208718214U (en) * | 2018-07-10 | 2019-04-09 | 合沐佳成都新材料有限公司 | A kind of prefabricated wall panels |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1160505C (en) * | 2001-12-10 | 2004-08-04 | 邱则有 | Hollow and steel bar reinforced concrete building member |
| CN205116537U (en) * | 2015-11-05 | 2016-03-30 | 中国建筑股份有限公司 | Reinforced concrete superimposed sheet and joint construction thereof |
| CN109184070B (en) * | 2018-10-17 | 2024-10-29 | 钱至棽 | Prefabricated plate and connection method of prefabricated plate and beam |
-
2019
- 2019-07-16 CN CN201910639435.3A patent/CN110453847B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH094120A (en) * | 1995-06-22 | 1997-01-07 | Supankuriito Corp:Kk | Precast concrete plate and its manufacture |
| 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 |
| CN2771349Y (en) * | 2005-01-14 | 2006-04-12 | 吴方伯 | Reinforced concrete spliced floor |
| JP5061804B2 (en) * | 2007-09-12 | 2012-10-31 | 株式会社大林組 | Joint structure of a pair of full PC members |
| CN103469825A (en) * | 2013-09-04 | 2013-12-25 | 中建三局第一建设工程有限责任公司 | Prefabricated water-resistant post-pouring belt formwork and installation method |
| CN208718214U (en) * | 2018-07-10 | 2019-04-09 | 合沐佳成都新材料有限公司 | A kind of prefabricated wall panels |
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| CN110453847A (en) | 2019-11-15 |
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