CN111576705A - Splitting method for reducing specification of assembled laminated slab - Google Patents

Splitting method for reducing specification of assembled laminated slab Download PDF

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Publication number
CN111576705A
CN111576705A CN202010479046.1A CN202010479046A CN111576705A CN 111576705 A CN111576705 A CN 111576705A CN 202010479046 A CN202010479046 A CN 202010479046A CN 111576705 A CN111576705 A CN 111576705A
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CN
China
Prior art keywords
slab
floor
size
laminated
slabs
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Pending
Application number
CN202010479046.1A
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Chinese (zh)
Inventor
田坤鹏
刘威
武涛
黄永胜
王铮
周萌
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Shanghai Baoye Group Corp Ltd
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Shanghai Baoye Group Corp Ltd
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Publication date
Application filed by Shanghai Baoye Group Corp Ltd filed Critical Shanghai Baoye Group Corp Ltd
Priority to CN202010479046.1A priority Critical patent/CN111576705A/en
Publication of CN111576705A publication Critical patent/CN111576705A/en
Pending legal-status Critical Current

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    • 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B17/00Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
    • B28B17/0018Separating articles from each other
    • 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
    • E04B5/17Floor structures partly formed in situ

Abstract

The invention discloses a splitting method for reducing the specification of an assembled laminated slab, which comprises the following steps: comparing the sizes of all floors to be split based on the sizes of the floors; selecting a floor slab with the smallest span in two directions as a reference floor slab; taking the short edge of the reference floor slab as a reference edge; finding out all floor slabs with the short sides having the same size as the reference sides; and splitting long sides of the floor slab, wherein the long sides enable the size of the laminated slab to be the same by a method of adjusting the width of the post-pouring belt. By applying the technical scheme provided by the embodiment of the invention, the size of the laminated slab is unified, and the specification of the laminated slab is reduced; the number of moulds is reduced, and the cost is reduced; one set of die can produce more laminated plates, the turnover frequency of the template is increased, and the manufacturing cost is reduced; the stacking of the laminated slabs on the construction site is facilitated, and the construction speed is improved; the workload of drawing detailed diagrams of the laminated plates is reduced, and manpower and material resources are saved.

Description

Splitting method for reducing specification of assembled laminated slab
Technical Field
The invention relates to the technical field of assembly type buildings, in particular to a splitting method for reducing the specification of an assembly type laminated slab.
Background
The prefabricated plates are produced in batches, are large in size and area and are not easy to transport and install, the prefabricated plates need to be disassembled after being produced, and each prefabricated plate needs to be disassembled into a plurality of assembled laminated plates.
At present, the method for splitting a prefabricated slab into assembled laminated slabs is to ensure that the widths of pouring belts among all the laminated slabs are equal, and the splitting method can ensure that a plurality of laminated slabs are different in size and the specification of the laminated slabs is more; the number of the required moulds is large, the number of the laminated plates produced by one set of moulds is small, the turnover frequency of the template is low, and the cost is high; superimposed sheet that is not convenient for job site stacks, has reduced construction speed.
In summary, how to effectively solve the problems of more specifications of the laminated plate, more required molds and the like is a problem which needs to be solved urgently by the technical personnel in the field at present.
Disclosure of Invention
The invention aims to provide a splitting method for reducing the specification of an assembled type laminated slab, which unifies the size of the laminated slab, reduces the specification of the laminated slab, reduces the number of moulds, is convenient for factory production and saves the cost.
In order to solve the technical problems, the invention provides the following technical scheme:
a method of reducing the size of a fabricated composite slab, comprising:
comparing the sizes of all floors to be split based on the sizes of the floors;
selecting a floor slab with the smallest span in two directions as a reference floor slab;
taking the short edge of the reference floor slab as a reference edge;
finding out all floor slabs with the short sides having the same size as the reference sides;
and splitting long sides of the floor slab, wherein the long sides enable the size of the laminated slab to be the same by a method of adjusting the width of the post-pouring belt.
Preferably, between the finding of all the floor slabs with the short side size equal to the reference side size and the splitting of the long side of the floor slab, the method further includes:
finding out all floor slabs with the short side dimension in multiple relation with the reference side dimension;
and splitting the short sides of other floors into laminated slabs with the same size as the reference sides.
Preferably, the width of the post-cast strip is expressed by the formula (L)a-ξ)/a=(Lb-/b is obtained, wherein La、Lbξ, the width of the post-pouring strip, and a and b are the corresponding number of the laminated slab blocks.
Preferably, the splitting of the long side of the floor slab comprises:
finding out all floor slabs with the long edge size in multiple relation with the long edge size of the reference floor slab, and splitting the long edges of other floor slabs into laminated slabs with the long edge size equal to that of the reference floor slab.
Preferably, the width of the post-cast strip is adjusted by adopting a post-cast strip joint form of plate bottom longitudinal rib straight lap joint, plate bottom longitudinal rib tail end belt 135-degree hook lap joint, plate bottom longitudinal rib tail end belt 90-degree hook lap joint or plate bottom longitudinal rib bending anchor.
Preferably, before the step of based on the floor size, marking the floor size on a drawing is included.
The invention provides a splitting method for reducing the specification of an assembled laminated slab, which comprises the following steps: comparing the sizes of all floors to be split based on the sizes of the floors; selecting a floor slab with the smallest span in two directions as a reference floor slab; taking the short edge of the reference floor as a reference edge; finding out all floor slabs with the short sides having the same size as the reference sides; and splitting the long sides of the floor slabs, and enabling the size of the laminated slabs to be the same by adjusting the width of the post-pouring belts on the long sides.
By applying the technical scheme provided by the embodiment of the invention, according to the arrangement of a column beam plate wall of a structure, one side plate span is the same, the other side plate span is the same according to the width of the post-pouring belt, the sizes of the plate spans in two directions are compared, the post-pouring section length between the laminated slabs is optimized on the premise of meeting the existing specification, the width of the post-pouring belt is adjusted by adopting different post-pouring belt joint forms, the large-span plate is split by taking the smaller plate span as a reference according to the length relation of the long span and the short span of the slab, and the long span and the short span of the slab with different spans are split according to the length relation of the long span and the short span of the slab, so that the sizes of the laminated slabs are unified, and the specification of the laminated slabs; the number of moulds is reduced, and the cost is reduced; one set of die can produce more laminated plates, the turnover frequency of the template is increased, and the manufacturing cost is reduced; the stacking of the laminated slabs on the construction site is facilitated, and the construction speed is improved; the workload of drawing detailed diagrams of the laminated plates is reduced, and manpower and material resources are saved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is an illustration of a method of reducing the size of a fabricated laminate according to one embodiment of the present invention;
FIG. 2 is a disassembled view of a fabricated laminate specification reduction provided in accordance with one embodiment of the present invention;
FIG. 3 is a disassembled view of a fabricated laminate specification reduction according to another embodiment of the present invention;
FIG. 4 is a method for linearly overlapping longitudinal ribs of a bottom plate in a method for reducing the specification of an assembled composite slab according to the present invention;
FIG. 5 is a 135-degree overlapping method for the tail end of the longitudinal bar of the bottom plate in the disassembling method for reducing the specification of the fabricated composite slab.
Detailed Description
The core of the invention is to provide the splitting method for reducing the specification of the assembled laminated slab, which unifies the size of the laminated slab, reduces the specification of the laminated slab, reduces the number of moulds, is convenient for factory production and saves the cost.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, fig. 1 is a flow chart illustrating a method for reducing the size of a fabricated laminated slab according to an embodiment of the present invention; FIG. 2 is a disassembled view of a fabricated laminate specification reduction provided in accordance with one embodiment of the present invention; FIG. 3 is a disassembled view of a fabricated laminate specification reduction according to another embodiment of the present invention; FIG. 4 is a method for linearly overlapping longitudinal ribs of a bottom plate in a method for reducing the specification of an assembled composite slab according to the present invention; FIG. 5 is a 135-degree overlapping method for the tail end of the longitudinal bar of the bottom plate in the disassembling method for reducing the specification of the fabricated composite slab.
In one embodiment, the method for reducing the specification of the fabricated composite slab, provided by the invention, comprises the following steps:
s100, comparing the sizes of all floors to be split based on the sizes of the floors;
s200, selecting a floor slab with the smallest span in two directions as a reference floor slab;
specifically, the section of the floor to be split is rectangular, and long sides and short sides are found out. If the sizes of the two directions of the floor slab are compared with the sizes of the two directions of other floor slabs, the laminated slabs with the same size can be split, namely the floor slabs with the same size are considered.
And comparing the sizes of all floors to be split, specifically comparing the lengths of two sides of each floor, finding out the floor with the minimum span in two directions, and selecting the floor as a reference floor, namely the reference floor is the floor with the minimum area in all floors.
Step S300, taking the short edge of the reference floor as a reference edge;
specifically, the sizes of two sides of the reference floor slab may be equal or unequal, if the sizes of the two sides are equal, the reference floor slab is square, and the two sides are both reference sides; and if the sizes of the two sides are not equal, selecting the short side as a reference side.
Step S400, finding out all floor slabs with the short sides having the same size as the reference sides;
specifically, all floor slabs with the short side size equal to the reference side size are found out, the floor slabs are split, specifically, the short side size is unchanged, the short side is the minimum size, and only the long side of the floor slab needs to be split. That is, the dimension of the floor slab in one direction is the same, the dimension of the floor slab in the other direction is different, and the floor slab is split by taking the shorter side as the reference.
And S500, splitting the long sides of the floor slab, wherein the long sides enable the size of the laminated slab to be the same through a method for adjusting the width of the post-pouring belt.
Specifically, when the long edges of the floor slabs are split, the width of the post-cast strip is optimized on the premise of meeting the specifications, the size of the laminated slab is unified by adopting a method for adjusting the width of the post-cast strip, namely, the proper common divisor is selected as the size of the other span of the laminated slab after adjustment by using different post-cast strip seam forms, and the size of the laminated slab is the same.
By applying the technical scheme provided by the embodiment of the invention, according to the arrangement of a column beam plate wall of a structure, one side plate span is the same, the other side plate span is the same according to the width of the post-pouring belt, the sizes of the plate spans in two directions are compared, the post-pouring section length between the laminated slabs is optimized on the premise of meeting the existing specification, the width of the post-pouring belt is adjusted by adopting different post-pouring belt joint forms, the large-span plate is split by taking the smaller plate span as a reference according to the length relation of the long span and the short span of the slab, and the long span and the short span of the slab with different spans are split according to the length relation of the long span and the short span of the slab, so that the sizes of the laminated slabs are unified, and the specification of the laminated slabs; the number of moulds is reduced, and the cost is reduced; one set of die can produce more laminated plates, the turnover frequency of the template is increased, and the manufacturing cost is reduced; the stacking of the laminated slabs on the construction site is facilitated, and the construction speed is improved; the workload of drawing detailed diagrams of the laminated plates is reduced, and manpower and material resources are saved.
Based on the above-mentioned embodiment provides a split method for reducing assembled superimposed sheet specification, in finding out all floor slabs that the minor face size is equal to the reference side size and splitting the long side of floor slab, still include:
finding out all floor slabs with the dimension of the short side in a multiple relation with the dimension of the reference side;
and splitting the short edges of other floors into laminated slabs with the same size as the reference edge.
Specifically, a floor slab having a multiple relation with the reference edge size is divided into an integral number of floor slabs having the same size as the reference edge by dividing the short edge of the floor slab. At the moment, the floor slab with the short edge and the reference edge in the multiple relation is split into the floor slab with the short edge and the reference edge, and the long edge is split according to the splitting method of the floor slab with the short edge and the reference edge, so that the size of the laminated slab is unified as much as possible, and the specification of the laminated slab is reduced.
On the basis of the above specific embodiment, the width of the post-cast strip is expressed by the formula (L)a-ξ)/a=(Lb-/b is obtained, wherein La、Lbξ, the width of the post-pouring strip, and a and b are the corresponding number of the laminated slab blocks.
L in the formulaa、LbThe a and the b can be quickly determined by experience for knowing the size, the size of ξ can be obtained by calculation, namely different widths of the post-cast strip can be obtained, the width of the post-cast strip can be accurately and quickly determined,
based on the technical scheme disclosed by the embodiments, the invention also provides an embodiment of a splitting method for reducing the specification of the fabricated composite slab, and the splitting method for the long edge of the floor slab comprises the following steps:
finding out all floor slabs with the long edge size having a multiple relation with the long edge size of the reference floor slab, and splitting the long edges of other floor slabs into laminated slabs with the long edge size equal to that of the reference floor slab.
Specifically, a floor slab having a long side dimension which is a multiple of a long side dimension of a reference floor slab is divided into an integral number of floor slabs having a long side dimension which is equal to the long side dimension of the reference floor slab.
At the moment, the floor slab with the long edge in multiple relation with the long edge of the reference floor slab is split into the floor slabs with the short edge in the same size with the long edge of the reference floor slab, and then the floor slabs are split according to the long edge size splitting method, so that the size of the laminated slab is further unified, and the specification of the laminated slab is reduced.
On the basis of the above specific embodiments, those skilled in the art can further optimize the above embodiments according to different specific situations, and the method for adjusting the width of the post-cast strip is more, for example, the method can be adjusted by adopting a post-cast strip seam form of straight lap joint of the longitudinal ribs at the bottom of the plate, 135-degree hook lap joint of the tail end of the longitudinal ribs at the bottom of the plate, 90-degree hook lap joint of the tail end of the longitudinal ribs at the bottom of the plate, or bending and anchoring of the longitudinal ribs at the bottom of the plate, and the width of the post-cast strip can be adjusted by using the method as a base number during actual detachment to achieve uniformity of the size. The specific seam form adopted for adjustment can be determined according to the width of the post-cast strip and corresponding standards, and the method is within the protection scope of the invention.
For the arrangement method of the steel bar truss floor support plates in each embodiment, before the floor size is based, the floor size is marked on a drawing, so that the floor size is obvious, easy to check and convenient.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The above provides a detailed description of the method for reducing the specification of the fabricated composite slab. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (6)

1. A splitting method for reducing the specification of an assembled laminated slab is characterized by comprising the following steps:
comparing the sizes of all floors to be split based on the sizes of the floors;
selecting a floor slab with the smallest span in two directions as a reference floor slab;
taking the short edge of the reference floor slab as a reference edge;
finding out all floor slabs with the short sides having the same size as the reference sides;
and splitting long sides of the floor slab, wherein the long sides enable the size of the laminated slab to be the same by a method of adjusting the width of the post-pouring belt.
2. The method for reducing the size of the fabricated composite slab of claim 1, wherein between the step of finding all the floor slabs with the short side size equal to the reference side size and the step of splitting the long side of the floor slab, the method further comprises:
finding out all floor slabs with the short side dimension in multiple relation with the reference side dimension;
and splitting the short sides of other floors into laminated slabs with the same size as the reference sides.
3. The method for reducing the size of a fabricated composite slab of claim 2, wherein the post-cast strip width is expressed by the formula (L)a-ξ)/a=(Lb-/b is obtained, wherein La、Lbξ, the width of the post-pouring strip, and a and b are the corresponding number of the laminated slab blocks.
4. The method for reducing the specification of the fabricated composite slab of claim 1, wherein the splitting the long side of the floor slab comprises:
finding out all floor slabs with the long edge size in multiple relation with the long edge size of the reference floor slab, and splitting the long edges of other floor slabs into laminated slabs with the long edge size equal to that of the reference floor slab.
5. The method for reducing the size of the fabricated composite slab of claim 1, wherein the width of the post-cast strip is adjusted by using the form of the joint of the post-cast strip for straight lap joint of the longitudinal ribs at the bottom of the slab, 135-degree hook lap joint of the tail ends of the longitudinal ribs at the bottom of the slab, 90-degree hook lap joint of the tail ends of the longitudinal ribs at the bottom of the slab or bending and anchoring of the longitudinal ribs at the bottom of the slab.
6. The method of reducing assembled composite slab format splits according to claim 1, including marking the floor size on the drawing before the floor size is based.
CN202010479046.1A 2020-05-29 2020-05-29 Splitting method for reducing specification of assembled laminated slab Pending CN111576705A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117272494A (en) * 2023-11-23 2023-12-22 三一筑工科技股份有限公司 Method and device for splitting assembled building, electronic equipment and storage medium

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5634308A (en) * 1992-11-05 1997-06-03 Doolan; Terence F. Module combined girder and deck construction
CN104060738A (en) * 2014-06-30 2014-09-24 沈阳建筑大学 Reserved cast-in-situ strip assembly integral concrete floor slab
US9410316B2 (en) * 2013-12-24 2016-08-09 Reigstad & Associates, Inc. Post-tension concrete leave out splicing system and method
CN205530887U (en) * 2016-03-22 2016-08-31 沈阳建筑大学 Novel combination formula coincide floor
CN106284643A (en) * 2016-09-30 2017-01-04 浙江省建筑科学设计研究院有限公司 A building industrialization concrete water flat structure prefabricated components method for designing of application
CN109829186A (en) * 2018-12-13 2019-05-31 江苏龙腾数字建造技术研究院有限公司 One kind splitting optimization method based on the unidirectional superimposed sheet of BIM
CN110210166A (en) * 2019-06-14 2019-09-06 上海宝冶集团有限公司 A kind of prefabricated superimposed sheet method for splitting
CN110543674A (en) * 2019-07-31 2019-12-06 成都市建筑设计研究院 automatic splitting method of fabricated floor based on BIM
CN110644662A (en) * 2019-09-16 2020-01-03 佛山建装建筑科技有限公司 Prefabricated flat slab composite slab based on stress and splitting method thereof

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5634308A (en) * 1992-11-05 1997-06-03 Doolan; Terence F. Module combined girder and deck construction
US9410316B2 (en) * 2013-12-24 2016-08-09 Reigstad & Associates, Inc. Post-tension concrete leave out splicing system and method
CN104060738A (en) * 2014-06-30 2014-09-24 沈阳建筑大学 Reserved cast-in-situ strip assembly integral concrete floor slab
CN205530887U (en) * 2016-03-22 2016-08-31 沈阳建筑大学 Novel combination formula coincide floor
CN106284643A (en) * 2016-09-30 2017-01-04 浙江省建筑科学设计研究院有限公司 A building industrialization concrete water flat structure prefabricated components method for designing of application
CN109829186A (en) * 2018-12-13 2019-05-31 江苏龙腾数字建造技术研究院有限公司 One kind splitting optimization method based on the unidirectional superimposed sheet of BIM
CN110210166A (en) * 2019-06-14 2019-09-06 上海宝冶集团有限公司 A kind of prefabricated superimposed sheet method for splitting
CN110543674A (en) * 2019-07-31 2019-12-06 成都市建筑设计研究院 automatic splitting method of fabricated floor based on BIM
CN110644662A (en) * 2019-09-16 2020-01-03 佛山建装建筑科技有限公司 Prefabricated flat slab composite slab based on stress and splitting method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117272494A (en) * 2023-11-23 2023-12-22 三一筑工科技股份有限公司 Method and device for splitting assembled building, electronic equipment and storage medium
CN117272494B (en) * 2023-11-23 2024-03-08 三一筑工科技股份有限公司 Method and device for splitting assembled building, electronic equipment and storage medium

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