CN110195488A - A kind of concrete prefabricated board and its installation method - Google Patents

A kind of concrete prefabricated board and its installation method Download PDF

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Publication number
CN110195488A
CN110195488A CN201910489705.7A CN201910489705A CN110195488A CN 110195488 A CN110195488 A CN 110195488A CN 201910489705 A CN201910489705 A CN 201910489705A CN 110195488 A CN110195488 A CN 110195488A
Authority
CN
China
Prior art keywords
concrete prefabricated
prefabricated board
groove
concrete
truss
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.)
Pending
Application number
CN201910489705.7A
Other languages
Chinese (zh)
Inventor
王万生
王建斌
魏金发
卢志宇
祁文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xingtai Construction Group Co ltd
Original Assignee
Hohhot City Flower Xingtai Ambitious Construction Industry Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hohhot City Flower Xingtai Ambitious Construction Industry Co Ltd filed Critical Hohhot City Flower Xingtai Ambitious Construction Industry Co Ltd
Priority to CN201910489705.7A priority Critical patent/CN110195488A/en
Publication of CN110195488A publication Critical patent/CN110195488A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38Connections for building structures in general
    • E04B1/41Connecting devices specially adapted for embedding in concrete or masonry
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/32Floor structures wholly cast in situ with or without form units or reinforcements
    • E04B5/36Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
    • E04B5/38Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38Connections for building structures in general
    • E04B1/41Connecting devices specially adapted for embedding in concrete or masonry
    • E04B2001/4192Connecting devices specially adapted for embedding in concrete or masonry attached to concrete reinforcing elements, e.g. rods or wires

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Reinforcement Elements For Buildings (AREA)

Abstract

The present invention relates to a kind of concrete prefabricated board and its installation method, including concrete prefabricated board ontology, at least two truss arranged in parallel is embedded in the concrete prefabricated board ontology, the truss exposes to concrete prefabricated board ontology upper section;The plate end of the concrete prefabricated board does not go out muscle;Groove is equipped between adjacent truss, the top surface of the groove and the top surface of concrete prefabricated board ontology penetrate through, and the end face of the groove and concrete prefabricated board ontology are penetrated through along a certain end face of truss length direction.This invention simplifies the constructions of traditional superimposed sheet, it is overhanging (i.e. cancellation beard muscle) to cancel reinforcing bar, groove is reserved at concrete prefabricated board end simultaneously, (i.e. the integral strength of superimposed sheet is unaffected with whole plate consistency of thickness for concrete thickness at guarantee truss, and facilitate production and transport), after concrete prefabricated board lifting in place, additional bottom muscle and distribution bar are placed in groove, then rear pouring concrete forms last floor construction.

Description

A kind of concrete prefabricated board and its installation method
Technical field
The present invention relates to a kind of concrete prefabricated board and its installation methods, belong to assembled architecture field.
Background technique
After the installation of prefabricated superimposed sheet, it is both needed to arrangement last layer, to realize the connection between prefabricated components.It is wherein prefabricated folded Plywood, which needs to stretch out after reinforcing bar (beard muscle) is anchored in, to be poured in section, to guarantee being reliably connected between adjacent members, makes structure Overall performance is equal to cast-in-place structural.Above-mentioned construction power transmission is reliable, but connecting structure is complicated, especially at support (including beam and Wall), concrete prefabricated board end protruding bar (beard muscle) and wall reserved vertical reinforcement (or coupling beam stirrup), post-cast strip add Vertical muscle three-dimensional is intersected, and is conflicted with each other, and construction is complicated, and difficulty of construction is big.
Another method is then that concrete prefabricated board plate end does not go out muscle, is placed on concrete prefabricated board plate end close adhesion plate top attached Add reinforcing bar, to replace the effect of beard muscle, but this method is difficult to fix there are additional bar, attached when pouring top concrete The problem of adding reinforcing bar to be easy to happen displacement.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of concrete prefabricated board and its installation method, to facilitate installation Construction, and promote the connection integrity and safety of prefabricated superimposed sheet and surrounding member.
In order to solve the above-mentioned technical problem, technical scheme is as follows:
A kind of concrete prefabricated board, including concrete prefabricated board ontology, be embedded in the concrete prefabricated board ontology to Few 2 truss arranged in parallel, the truss expose to concrete prefabricated board ontology upper section;The concrete is pre- The plate end of making sheet does not go out muscle;Groove, the top surface of the groove and the top surface of concrete prefabricated board ontology are equipped between adjacent truss Perforation, the end face of the groove and concrete prefabricated board ontology are penetrated through along a certain end face of truss length direction, the depth of groove Less than the thickness of concrete prefabricated plate body, size of the groove on the direction vertical with truss length direction is 450-600mm.
Further, the depth of groove is 0.4-0.6 times of concrete prefabricated board body thickness.
Further, the depth of groove is 25-35mm, is further 30-35mm.
Further, the truss includes 2 the first transverse steels that are arranged in parallel and being located in the same horizontal plane With the second transverse steel being set to above 2 first transverse steels, second transverse steel and the first transverse steel are mutual In parallel, it is connected respectively by more oblique reinforcing bars between the second transverse steel and 2 first transverse steels, forming cross section is in The truss structure of triangle.
Truss can enhance concrete prefabricated plate body stiffness by itself along laterally (length direction) setting of concrete prefabricated plate body; In addition, new-old concrete can be connected, enhance the binding force between concrete prefabricated plate body and last layer
Further, the top surface of the concrete prefabricated board ontology is equipped with multiple suspender members.Further, multiple suspender members It is arranged in row, is divided into the two rows being parallel to each other, facilitates lifting.
Further, more first longitudinal direction reinforcing bars and Duo Gen third transverse direction steel are embedded in the concrete prefabricated board ontology Muscle, the first longitudinal direction reinforcing bar and third transverse steel are arranged in a crossed manner in 90 °.
Further, the suspender member includes the U-shaped hanging ring of back-off, and the bottom end of hanging ring, which is connected with, to be extended transversely It stretches one's legs, described stretch one's legs protrudes into the lower section of first longitudinal direction reinforcing bar, guarantee the bonding strength of suspender member and concrete prefabricated plate body, with Realize safe handling.
Further, the perforation for being connected to the adjacent grooves is offered on the concrete prefabricated board ontology between adjacent grooves The end face of slot, the through slot and concrete prefabricated plate body penetrates through, in this way, length bridging can be selected when arranging distribution bar 2 or 2 distribution bars with upper groove, in the horizontal direction by distribution bar be placed in through slot in, and make distribution bar across Several grooves are connect, the connection integrity between concrete prefabricated plate body, vertical bearing carrier is further promoted, it is strong to promote connection Degree.
The installation method of concrete prefabricated board as described above, which is characterized in that for adjacent 2 block concrete prefabricated board with The connection of vertical bearing carrier, includes the following steps:
S1, concrete prefabricated board is lifted in place, so that end where the groove of concrete prefabricated board is held on vertical carrying On component;
The additional bar that S2, arrangement extend transversely, so that the both ends of additional bar are respectively protruding into adjacent 2 pieces of coagulations In the groove of native prefabricated board;
Wherein, at least 3 additional bars have been protruded into the groove of concrete prefabricated board;
S3, in each groove additional bar top layout at least 2 distribution bars extended longitudinally;
S4, longitudinally connected reinforcing bar is bound in the stirrup of vertical bearing carrier, so that additional bar is located at longitudinally connected steel The lower section of muscle;
S5, binding simultaneously install steel bar stress in last layer;
S6, disturbing concrete form last layer, so that concrete prefabricated board, last layer and vertical bearing carrier integrally connect It connects, to obtain superimposed sheet structure.
In this way, distribution bar both ends are respectively protruding into adjacent concrete prefabricated board, and pass through below longitudinally connected reinforcing bar, Hoop after pouring, in the last layer on concrete prefabricated board upper layer, groove at the top of casting concrete and reinforcing bar, vertical bearing carrier Muscle and longitudinally connected reinforcing bar form overall structure, it is ensured that the bonding strength between adjacent concrete prefabricated board.
Further, the vertical bearing carrier is bearing beam or wall.
Further, in S2, the length that the attachment reinforcing bar protrudes into groove accounts for 2/3 times of groove length or more.
Further, in S2, at least 3 additional bars are uniformly distributed in the width direction along corresponding recesses.
Further, in S3, the distribution bar bridges at least two adjacent grooves.
In the present invention, concrete prefabricated board is anchored by vertical bearing carrier (backbar or wall) using indirect overlapping mode Afterwards in pouring concrete.Reduce the difficulty of construction at scene.In common superimposed sheet avris, i.e., the structure type of superimposed sheet of the present invention is Several grooves (according to the actual situation) are dug with adjacent members (backbar or wall) lap-joint, but guarantee the plate body thickness at truss With whole superimposed sheet consistency of thickness.When site operation, after concrete prefabricated board lifting in place, placed at groove scene attached Add reinforcing bar and distribution bar, guarantees that additional bar reaches in adjacent members (backbar or wall), i.e. additional bar and adjacent structure Part (backbar or wall) effectively connects.Later period cast-in-place concrete at this, the sponson of additional bar make concrete prefabricated board It is securely connect with last layer and adjacent members, effectively improves the globality and safety of assembled monolithic concrete structure.
This invention simplifies the constructions of traditional superimposed sheet, and it is overhanging (i.e. cancellation beard muscle) while pre- in concrete to cancel reinforcing bar Groove is reserved at making sheet end, and (i.e. the integral strength of superimposed sheet is not by shadow with whole plate consistency of thickness for the concrete thickness at guarantee truss Ring, and facilitate production and transport), after concrete prefabricated board lifting in place, additional bottom muscle and distribution steel are placed in groove Muscle, then rear pouring concrete form last floor construction.
Detailed description of the invention
Fig. 1 is the top view of the concrete prefabricated board of the first embodiment of the invention.
Fig. 2 be along Fig. 1 A-A to view.
Fig. 3 is the view of the B-B direction along Fig. 1.
Fig. 4 is the viewgraph of cross-section of the truss of the first embodiment of the invention.
Fig. 5 is the structural schematic diagram of suspender member of the invention.
Fig. 6 is the installation condition schematic diagram of suspender member of the invention.
Fig. 7 is the Construction State schematic diagram (top view) of concrete precast floor of the invention.
Fig. 8 is the Construction State schematic diagram (side view) of concrete precast floor of the invention.
Specific embodiment
Below with reference to embodiment, the present invention will be described in detail.It should be noted that in the absence of conflict, the present invention In embodiment and embodiment in feature can be combined with each other.For sake of convenience, hereinafter such as occur "upper", "lower", "left", "right" printed words only indicate consistent with the upper and lower, left and right direction of attached drawing itself, do not play restriction effect to structure.
As shown in Figures 1 to 7, a kind of concrete prefabricated board, including concrete prefabricated board ontology 1, it is described concrete prefabricated 3 truss 3 arranged in parallel are embedded in plate ontology 1, the truss 3 reveals to concrete prefabricated board ontology upper section Out;The plate end of the concrete prefabricated board does not go out muscle;Groove 2, the top surface of the groove and coagulation are equipped between adjacent truss 3 The top surface of native prefabricated board ontology penetrates through, and the end face of the groove is with concrete prefabricated board ontology along a certain of truss length direction End face perforation, the depth of groove are less than the thickness of concrete prefabricated plate body, and groove is on the direction vertical with truss length direction Size be 480mm.The depth of groove is 30mm.
The truss 3 includes 2 arranged in parallel and the first transverse steels 101 being located in the same horizontal plane and setting The second transverse steel 103 above 2 first transverse steels 101, second transverse steel and the first transverse steel are mutual In parallel, it is connected respectively by more oblique reinforcing bars 102 between the second transverse steel and 2 first transverse steels, forms cross section Truss structure triangular in shape.
The top surface of the concrete prefabricated board ontology 1 is equipped with multiple suspender members 4.
More first longitudinal direction reinforcing bars 5 and Duo Gen third transverse steel 6, institute are embedded in the concrete prefabricated board ontology 1 It is arranged in a crossed manner in 90 ° to state first longitudinal direction reinforcing bar and third transverse steel.
The suspender member 4 includes the U-shaped hanging ring 401 of back-off, and the bottom end of hanging ring 401 is connected with stretching of extending transversely Leg 402,402 lower sections for protruding into first longitudinal direction reinforcing bar 5 of stretching one's legs.
The through slot 7 for being connected to the adjacent grooves is offered on concrete prefabricated board ontology between adjacent grooves, it is described The end face of through slot 7 and concrete prefabricated plate body penetrates through.
Referring to Fig. 8, the installation method of concrete prefabricated board as described above for adjacent 2 block concrete prefabricated board and is erected Connection to bearing carrier 13, includes the following steps:
S1, concrete prefabricated board is lifted in place, so that end where the groove of concrete prefabricated board is held on vertical carrying On component 13;
The additional bar 8 that S2, arrangement extend transversely mixes so that the both ends of additional bar 8 are respectively protruding into described adjacent 2 pieces In the groove of solidifying soil prefabricated board;
Wherein, 3 additional bars 8 have been protruded into the groove of concrete prefabricated board;
S3, in each groove additional bar 8 top layout 3 distribution bars 9 extended longitudinally;
S4, longitudinally connected reinforcing bar 11 is bound in the stirrup 10 of vertical bearing carrier 13, so that additional bar 8 is located at longitudinal direction Connect the lower section of reinforcing bar 11;
S5, binding simultaneously install steel bar stress 14 in last layer 12;
S6, disturbing concrete form last layer 12, so that concrete prefabricated board, last layer and vertical bearing carrier one Connection.
In S2, the length that the attachment reinforcing bar 8 protrudes into groove accounts for 1 times of groove length.
In S2, at least 3 additional bars 8 are uniformly distributed in the width direction along corresponding recesses.
In S3, the distribution bar 9 bridges at least two adjacent grooves.
The content that above-described embodiment illustrates should be understood as that these embodiments are only used for being illustrated more clearly that the present invention, without For limiting the scope of the invention, after the present invention has been read, those skilled in the art are to various equivalent forms of the invention Modification each fall within the application range as defined in the appended claims.

Claims (10)

  1. It is pre-buried in the concrete prefabricated board ontology (1) 1. a kind of concrete prefabricated board, including concrete prefabricated board ontology (1) The truss (3) for having at least two arranged in parallel, the truss (3) are exposed to concrete prefabricated board ontology upper section;It is special Sign is that the plate end of the concrete prefabricated board does not go out muscle;Groove (2) are equipped between adjacent truss (3), the top surface of the groove It is penetrated through with the top surface of concrete prefabricated board ontology, the end face of the groove and concrete prefabricated board ontology are along truss length direction A certain end face perforation, the depth of groove are less than the thickness of concrete prefabricated plate body, and groove is in the side vertical with truss length direction Upward size is 450-600mm.
  2. 2. concrete prefabricated board according to claim 1, which is characterized in that the truss (3) is parallel to each other including 2 and sets It sets and the first transverse steel (101) being located in the same horizontal plane and be set to above 2 first transverse steels (101) second Transverse steel (103), second transverse steel are parallel to each other with the first transverse steel, the second transverse steel and 2 first cross To passing through the connection of more oblique reinforcing bars (102) between reinforcing bar respectively.
  3. 3. concrete prefabricated board according to claim 1, which is characterized in that the top of the concrete prefabricated board ontology (1) Face is equipped with multiple suspender members (4).
  4. 4. concrete prefabricated board according to claim 3, which is characterized in that pre- in the concrete prefabricated board ontology (1) More first longitudinal direction reinforcing bar (5) He Duogen third transverse steels (6) are embedded with, the first longitudinal direction reinforcing bar and third transverse steel are in 90 ° arranged in a crossed manner.
  5. 5. concrete prefabricated board according to claim 4, which is characterized in that the suspender member (4) includes that the U-shaped of back-off is hung Ring (401), the bottom end of hanging ring (401) are connected with stretch one's legs (402) extended transversely, and stretch one's legs (402) protrude into first The lower section of longitudinal reinforcement (5).
  6. 6. concrete prefabricated board according to claim 1-5, which is characterized in that the concrete between adjacent grooves The through slot (7) for being connected to the adjacent grooves, the through slot (7) and concrete prefabricated plate body are offered on prefabricated board ontology End face perforation.
  7. 7. the installation method of concrete prefabricated board as claimed in any one of claims 1 to 6, which is characterized in that be used for adjacent 2 pieces The connection of concrete prefabricated board and vertical bearing carrier (13), includes the following steps:
    S1, concrete prefabricated board is lifted in place, so that end where the groove of concrete prefabricated board is held on vertical bearing carrier (13) on;
    The additional bar (8) that S2, arrangement extend transversely mixes so that the both ends of additional bar (8) are respectively protruding into described adjacent 2 pieces In the groove of solidifying soil prefabricated board;
    Wherein, at least 3 additional bars (8) have been protruded into the groove of concrete prefabricated board;
    S3, in each groove additional bar (8) top layout at least 2 distribution bars (9) extended longitudinally;
    S4, the longitudinally connected reinforcing bar (11) of binding in the stirrup (10) of vertical bearing carrier (13), so that additional bar (8) is located at The lower section of longitudinally connected reinforcing bar (11);
    S5, binding simultaneously install steel bar stress (14) in last layer (12);
    S6, disturbing concrete are formed last layer (12), so that concrete prefabricated board, last layer and vertical bearing carrier integrally connect It connects.
  8. 8. installation method according to claim 7, which is characterized in that in S2, the attachment reinforcing bar (8) is protruded into groove Length accounts for 2/3 times of groove length or more.
  9. 9. installation method according to claim 7, which is characterized in that in S2, at least 3 additional bars (8) are on edge The width direction of corresponding recesses is uniformly distributed.
  10. 10. installation method according to claim 7, which is characterized in that in S3, the distribution bar (9) bridges at least two Adjacent grooves.
CN201910489705.7A 2019-06-06 2019-06-06 A kind of concrete prefabricated board and its installation method Pending CN110195488A (en)

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CN201910489705.7A CN110195488A (en) 2019-06-06 2019-06-06 A kind of concrete prefabricated board and its installation method

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Application Number Priority Date Filing Date Title
CN201910489705.7A CN110195488A (en) 2019-06-06 2019-06-06 A kind of concrete prefabricated board and its installation method

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111287374A (en) * 2020-03-24 2020-06-16 东南大学 Local UHPC reinforced high-efficiency assembled concrete laminated slab

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201217872Y (en) * 2008-06-18 2009-04-08 黑龙江宇辉新型建筑材料有限公司 Prefabricated stacking floor
CN103114669A (en) * 2013-03-13 2013-05-22 宝钢建筑系统集成有限公司 Ribbed steel bar truss concrete superimposed sheet and construction method thereof
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
CN107246107A (en) * 2017-04-21 2017-10-13 清华大学 Cancel the construction and construction method of beard muscle in a kind of concrete prefabricated board plate end
CN210887720U (en) * 2019-06-06 2020-06-30 呼和浩特市中朵兴泰远大建筑工业有限公司 Concrete precast slab

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201217872Y (en) * 2008-06-18 2009-04-08 黑龙江宇辉新型建筑材料有限公司 Prefabricated stacking floor
CN103114669A (en) * 2013-03-13 2013-05-22 宝钢建筑系统集成有限公司 Ribbed steel bar truss concrete superimposed sheet and construction method thereof
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
CN107246107A (en) * 2017-04-21 2017-10-13 清华大学 Cancel the construction and construction method of beard muscle in a kind of concrete prefabricated board plate end
CN210887720U (en) * 2019-06-06 2020-06-30 呼和浩特市中朵兴泰远大建筑工业有限公司 Concrete precast slab

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111287374A (en) * 2020-03-24 2020-06-16 东南大学 Local UHPC reinforced high-efficiency assembled concrete laminated slab

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