CN113609566A - Design method and assembly and disassembly method of prefabricated laminated slab and prefabricated laminated slab - Google Patents
Design method and assembly and disassembly method of prefabricated laminated slab and prefabricated laminated slab Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 152
- 239000010959 steel Substances 0.000 claims abstract description 152
- 239000002131 composite material Substances 0.000 claims abstract description 115
- 238000006467 substitution reaction Methods 0.000 claims abstract description 9
- 230000002787 reinforcement Effects 0.000 claims description 41
- 230000003014 reinforcing effect Effects 0.000 claims description 28
- 210000003205 muscle Anatomy 0.000 claims description 21
- 238000010276 construction Methods 0.000 description 9
- 238000007599 discharging Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 3
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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
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/17—Floor structures partly formed in situ
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Abstract
The invention belongs to the field of assembly type buildings and discloses a design method of a prefabricated composite slab, an assembly and disassembly method and the prefabricated composite slab, wherein the design method comprises the steps of selecting a space S as a rib output space of the prefabricated composite slab; unifying the steel bar spacing of the prefabricated laminated slab into S, 0.75S or 0.5S by adopting an equal-strength substitution formula; when the distance between the steel bars of the prefabricated laminated slab is S, arranging steel bar outlet steel bars entering the support according to the distance S; when the steel bar spacing of the prefabricated laminated slab is 0.75S, firstly arranging steel bar bars according to the spacing S, and then arranging a steel bar which cannot be arranged between the two steel bar bars at intervals of 2S; when the steel bar interval of the prefabricated laminated slab is 0.5S, the steel bar outlet bars are arranged according to the interval S, and then one steel bar outlet bar is arranged between every two steel bar outlet bars. According to the invention, the hole-forming intervals on the die are uniform through the uniform rib-forming intervals, the die can be repeatedly used, the standardization and the utilization rate of the die are improved, the die opening times of a factory are reduced, the die cost is reduced, and the die and the engineering cost are saved.
Description
Technical Field
The invention belongs to the technical field of assembly type buildings, and particularly relates to a design method and an assembly and disassembly method of a prefabricated composite slab and the prefabricated composite slab.
Background
Buildings assembled from prefabricated parts at the site are called fabricated buildings. With the continuous progress and development of modern industrialization, the assembly type building is popularized and applied.
At present, in the assembly type structure, prefabricated superimposed sheet need be connected with the support, and prefabricated superimposed sheet stretches into the reinforcing bar interval and the radical diverse of support, the play muscle diverse of every prefabricated superimposed sheet promptly, prefabricated superimposed sheet is of a great variety, and the mould utilization ratio is low, and the site operation is complicated unordered, not only is difficult to the production requirement of the standardized relevant standard component of adaptation industry, also makes design, preparation and installation inefficiency, and the cost is high, directly influences the construction cost.
Disclosure of Invention
The invention aims to provide a design method, an assembly and disassembly method and a prefabricated composite slab of the prefabricated composite slab, which can realize the standardization of the prefabricated composite slab, solve the problems of scattered width and size and various varieties of the prefabricated composite slab, improve the utilization rate of a mold, reduce the times of opening the mold in a factory, save the mold and the construction cost, reduce the construction difficulty of the prefabricated composite slab and improve the construction efficiency.
The technical scheme provided by the invention is as follows:
in one aspect, a method for designing a prefabricated composite slab is provided, including:
selecting the space S as the rib outlet space of the prefabricated laminated slab;
unifying the intervals of the steel bars in the prefabricated laminated slab into S, 0.75S or 0.5S by adopting an equal-strength substitution formula;
when the distance between the steel bars of the prefabricated composite slab is S, arranging steel bar outlet steel bars entering the support in the width direction of the prefabricated composite slab according to the distance S;
when the steel bar spacing of the prefabricated composite slab is 0.75S, arranging steel bar outlet steel bars entering the support according to the spacing S in the width direction of the prefabricated composite slab, and arranging one steel bar not to be discharged between the two steel bar outlet steel bars at intervals of 2S;
when the steel bar interval of the prefabricated laminated slab is 0.5S, the steel bar outlet steel bars entering the support are arranged in the width direction of the prefabricated laminated slab according to the interval S, and then one steel bar outlet steel bar is arranged between every two steel bar outlet steel bars.
Further, the equi-strong substitution formula is as follows:
fy1*d12/S1＝fy2*d22/S2；
wherein fy is the strength of the steel bar (N/mm)2) D is the diameter (mm) of the steel bar, and S is the interval (mm) of the steel bar.
Further, when prefabricated superimposed sheet 'S reinforcing bar interval was S, the play muscle reinforcing bar that gets into the support according to interval S setting at prefabricated superimposed sheet' S width direction specifically included:
when the distance between the steel bars of the prefabricated composite slab is S, arranging a first steel bar outlet steel bar at a position L away from the edge of the prefabricated composite slab in the prefabricated composite slab along the width direction of the prefabricated composite slab, and then sequentially arranging one steel bar outlet steel bar at each interval S after the first steel bar outlet steel bar, wherein the distance between the last steel bar outlet steel bar and the edge of the slab is L;
when prefabricated superimposed sheet 'S reinforcing bar interval was 0.75S, set up the play muscle reinforcing bar that gets into the support according to interval S earlier at prefabricated superimposed sheet' S width direction, then every interval 2S sets up one in the middle of two play muscle reinforcing bars and can not go out the muscle reinforcing bar and specifically include:
when the distance between the steel bars of the prefabricated composite slab is 0.75S, arranging a first steel bar outlet steel bar at a position L away from the edge of the prefabricated composite slab in the prefabricated composite slab along the width direction of the prefabricated composite slab, then sequentially arranging one steel bar outlet steel bar at intervals of S after the first steel bar outlet steel bar, and setting the distance between the last steel bar outlet steel bar and the edge of the slab to be L;
arranging a reinforcement bar which cannot be discharged between two adjacent reinforcement bars of the first group, and then sequentially arranging reinforcement bars which cannot be discharged every 2S intervals;
when prefabricated superimposed sheet 'S reinforcing bar interval was 0.5S, set up the play muscle reinforcing bar that gets into the support according to interval S earlier at prefabricated superimposed sheet' S width direction, then set up one in the middle of per two play muscle reinforcing bars and can not go out the muscle reinforcing bar and specifically include:
when the distance between the steel bars of the prefabricated composite slab is 0.5S, arranging a first steel bar outlet steel bar at a position L away from the edge of the prefabricated composite slab in the prefabricated composite slab along the width direction of the prefabricated composite slab, and then sequentially arranging one steel bar outlet steel bar at intervals of S after the first steel bar outlet steel bar, wherein the distance between the last steel bar outlet steel bar and the edge of the slab is L;
and a reinforcement bar which cannot be output is arranged between every two adjacent reinforcement bar output.
Further, the value of the spacing S is 200mm, and L is 25 mm.
Further, still include:
arranging a first truss rib at a position S + L away from the plate edge in the prefabricated composite slab along the width direction of the prefabricated composite slab;
and arranging one truss rib at each interval of 3S behind the first truss rib, wherein the distance between the last truss rib and the plate edge is S + L.
On the other hand, the prefabricated composite slab is prepared by adopting any one of the design methods of the prefabricated composite slab.
Further, the plate width of the prefabricated composite slab is 1050mm, 1650mm, 2250mm or 2850 mm.
In another aspect, a method for assembling and disassembling prefabricated composite slabs is provided, which comprises performing a plurality of slab width combination designs by using the prefabricated composite slabs according to the room width, and then pouring concrete between the prefabricated composite slabs.
The design method, the assembly and disassembly method and the prefabricated composite slab provided by the invention have the following beneficial effects that:
(1) the rib spacing is unified by adopting an equal-strength substitution principle, so that the stress performance of the structure is not changed, and the safety and reliability of the structural member are ensured; and the opening intervals on the die are uniform, the die can be repeatedly used, the standardization and the utilization rate of the die are improved, the die opening times of a factory are reduced, the die cost is reduced, the die and the engineering cost are saved, the mounting and construction difficulty of the prefabricated laminated slab is reduced, and the construction efficiency is improved.
(2) The rib-outlet intervals of the prefabricated laminated slabs are unified, so that the standardization of the prefabricated laminated slabs can be realized, and the problems of scattered board width and size and various varieties of the prefabricated laminated slabs of the prefabricated building are solved.
(3) The prefabricated composite slab has the advantages that ribs, basic slab width and auxiliary slab width are uniformly designed, the split design method of the composite slab is changed, and convenience is brought to development of a whole industrial chain (such as standardization of die design of the prefabricated composite slab and standardized production and installation of the prefabricated composite slab).
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view illustrating arrangement of reinforcing bars when the space between the reinforcing bars in the prefabricated composite slab is S according to the embodiment of the present invention;
FIG. 2 is a schematic diagram illustrating the arrangement of the reinforcement bars in the prefabricated composite slab according to the embodiment of the present invention when the distance between the reinforcement bars is 0.75S;
FIG. 3 is a schematic diagram illustrating the arrangement of the reinforcement bars in the prefabricated composite slab according to the embodiment of the present invention when the distance between the reinforcement bars is 0.5S;
fig. 4 is a schematic view illustrating arrangement of truss ribs in the prefabricated composite slab according to the embodiment of the invention.
Description of the reference numerals
10. Discharging reinforced steel bars; 20. no reinforcing steel bar is produced; 30. truss ribs.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will be made with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be derived from them without inventive effort.
For the sake of simplicity, the drawings only schematically show the parts relevant to the present invention, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
In this context, it is to be understood that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not intended to indicate or imply relative importance.
The invention provides a specific embodiment of a design method of a prefabricated laminated slab, which comprises the following steps:
s100, selecting the space S as a rib outlet space of the prefabricated laminated slab;
s200, unifying the intervals of the steel bars in the prefabricated laminated slab into S, 0.75S or 0.5S by adopting an equal-strength substitution formula;
s310, when the distance between the steel bars of the prefabricated laminated slab is S, arranging steel bar outlet steel bars entering the support in the width direction of the prefabricated laminated slab according to the distance S;
s320, when the distance between the steel bars of the prefabricated laminated slab is 0.75S, arranging steel bar outlet steel bars entering the support in the width direction of the prefabricated laminated slab according to the distance S, and arranging one steel bar outlet steel bar between two steel bar outlet steel bars every 2S;
s330 when the steel bar interval of the prefabricated laminated slab is 0.5S, arranging the steel bar outlet steel bars entering the support in the width direction of the prefabricated laminated slab according to the interval S, and arranging a steel bar not to be discharged between two adjacent steel bar outlet steel bars.
Specifically, various design and construction specifications of the laminated slab, production and installation cost and other factors are comprehensively considered, the rib outlet interval of the prefabricated laminated slab is reasonably selected, and the rib outlet interval is used as the unified rib outlet interval of the prefabricated laminated slab, for example, 180-200 equal intervals are selected as the rib outlet interval of the prefabricated laminated slab. Preferably, the spacing 200 is used as a uniform rib spacing of the prefabricated composite slab. The length of the prefabricated composite slab is set according to the room bay, and the invention mainly designs the rib-forming distance of the prefabricated composite slab in the width direction.
And then, adopting an equal-strength substitution formula to unify the intervals of the steel bars in the prefabricated laminated slab into S, 0.75S or 0.5S, wherein the intervals of the steel bars refer to the average intervals of the steel bars in the prefabricated laminated slab. The equi-strong substitution formula is as follows: fy1*d12/S1＝fy2*d22/S2(ii) a Wherein fy is the strength of the steel bar (N/mm)2) D is the diameter (mm) of the steel bar, and S is the interval (mm) of the steel bar. For example, reinforcing bars with the spacing of 110mm and the diameter of 8mm are replaced by reinforcing bars with the spacing of 200mm and the diameter of 10 mm. The intervals of various steel bars of the prefabricated laminated slab can be replaced by three uniform intervals of 200mm (S), 150mm (0.75S) and 100mm (0.5S) through an equal-strength replacement formula.
As shown in fig. 1, when the distance between the rebars in the width direction of the prefabricated composite slab is 200mm, arranging rebar outlet rebars 10 entering the support in the width direction of the prefabricated composite slab according to the distance 200; all reinforcing bars in the prefabricated superimposed sheet all go out the muscle promptly, go out muscle reinforcing bar 10 and mean that the reinforcing bar stretches out prefabricated superimposed sheet and stretch into the support in order to be connected with the support.
As shown in fig. 2, when the distance between the bars in the width direction of the prefabricated composite slab is 150mm, the bar discharging bars 10 entering the support are arranged in the width direction of the prefabricated composite slab at a distance of 200mm, and then one bar discharging bar 20 is arranged between the two bar discharging bars 10 at an interval of 400 mm. For example, the reinforcement bars 10 are arranged in the prefabricated composite slab at intervals of 200mm, the reinforcement bar 20 is arranged between the first reinforcement bar 10 and the second reinforcement bar 10, the reinforcement bar 20 is added one by one at intervals of 400mm after the first reinforcement bar 20 is not output, and the reinforcement bar 20 is the same as the prefabricated composite slab in length and does not extend out of the prefabricated composite slab. Therefore, the distance between the first reinforcement bar 20 and the second reinforcement bar 10 is 100mm, the distance between the second reinforcement bar 10 and the third reinforcement bar 10 is 200mm, and the average distance between the reinforcement bars in the prefabricated laminated slab is just (100mm +200 mm)/2-150 mm.
As shown in fig. 3, when the distance between the bars in the width direction of the prefabricated composite slab is 100mm, the bar-out bars 10 entering the support are firstly arranged in the width direction of the prefabricated composite slab according to the distance of 200mm, and then one bar-out bar 20 is arranged between every two bar-out bars 10. For example, the reinforcement bars 10 are arranged in the prefabricated composite slab at intervals of 200mm, and then the reinforcement bar 20 is arranged between every two reinforcement bars 10, so that the average interval of the reinforcement bars in the prefabricated composite slab is just 100 mm.
This embodiment, through adopting the uniform strength to replace the principle and unifying out the muscle interval, not only can not change structure atress performance, make the trompil interval on the mould unified moreover, the mould can repeat repetitious usage, improves the utilization ratio of mould, reduces the die sinking number of times of mill, reduces the mould cost, and has reduced the construction and installation degree of difficulty of prefabricated superimposed sheet.
Preferably, in the above embodiment, when the reinforcement pitch of the prefabricated composite slab in step S310 is S, the step of setting the reinforcement outlet reinforcement entering the support in the width direction of the prefabricated composite slab according to the pitch S specifically includes:
s311, when the distance between the steel bars of the prefabricated composite slab is S, arranging a first steel bar outlet bar 10 at a position L away from the edge of the prefabricated composite slab in the prefabricated composite slab along the width direction of the prefabricated composite slab, then sequentially arranging one steel bar outlet bar 10 at intervals of S after the first steel bar outlet bar 10, and enabling the distance between the last steel bar outlet bar 10 and the edge of the slab to be L; wherein L is 25 mm.
Step S320 when the steel bar interval of the prefabricated laminated slab is 0.75S, the steel bar outlet bars 10 entering the support are firstly arranged in the width direction of the prefabricated laminated slab according to the interval S, and then each interval 2S is provided with a steel bar outlet bar 20 in the middle of the two steel bar outlet bars 10, which specifically comprises the following steps:
s321, when the distance between the steel bars of the prefabricated composite slab is 0.75S, arranging a first steel bar outlet bar 10 at a position L away from the edge of the prefabricated composite slab in the prefabricated composite slab along the width direction of the prefabricated composite slab, then sequentially arranging the steel bar outlet bars 10 at intervals of S after the first steel bar outlet bar 10, and setting the distance between the last steel bar outlet bar 10 and the edge of the slab to be L; wherein L is 25 mm;
s322, arranging a reinforcement bar 20 between two adjacent reinforcement bars 10 in the first group, and then arranging a reinforcement bar 20 at intervals of 2S; namely, the distance between the reinforcement bars 20 is 2S;
step S330 when the rebar interval of the prefabricated laminated slab is 0.5S, the rebar outlet bars 10 entering the support are firstly arranged in the width direction of the prefabricated laminated slab according to the interval S, and then one rebar outlet bar 20 is arranged between every two rebar outlet bars 10 and specifically comprises the following steps:
s331, when the distance between the steel bars of the prefabricated composite slab is 0.5S, arranging a first steel bar outlet bar 10 at a position L away from the edge of the prefabricated composite slab in the prefabricated composite slab along the width direction of the prefabricated composite slab, then sequentially arranging one steel bar outlet bar 10 at intervals of S after the first steel bar outlet bar 10, and enabling the distance between the last steel bar outlet bar 10 and the edge of the slab to be L; wherein L is 25 mm;
s332 disposing a reinforcement bar 20 between every two adjacent reinforcement bars 10.
According to the prefabricated composite slab obtained by the method, the distance between the center of the first reinforcement outlet steel bar 10 and the plate edge is 25mm, and the distance between the center of the last reinforcement outlet steel bar 10 and the plate edge is 25 mm.
Not only need set up the reinforcing bar in the prefabricated superimposed sheet, still need set up truss muscle 30, as shown in fig. 4, the method of setting up truss muscle 30 in the prefabricated superimposed sheet does:
arranging a first truss rib 30 at a position S + L away from the edge of the plate in the prefabricated composite slab along the width direction of the prefabricated composite slab;
one truss rib 30 is arranged at each interval of 3S behind the first truss rib 30, and the distance between the last truss rib 30 and the plate edge is S + L.
Wherein S is 200mm, L is 25mm, the distance between the center of the first truss rib 30 and the plate edge is 225mm, the distance between the center of the last truss rib 30 and the plate edge is 225mm, and the distance between the truss ribs 30 is 600 mm.
The invention also provides a specific embodiment of the prefabricated composite slab, which is prepared by adopting the design method of the prefabricated composite slab. The distance between the reinforcing steel bars 10 in the prefabricated composite slab is S (200mm), the distance between the center of the reinforcing steel bar 10 at the edge and the slab edge is L (25mm), the distance between the truss ribs 30 in the prefabricated composite slab is 3S (600mm), and the distance between the center of the truss rib 30 at the edge and the slab edge is S + L (225 mm).
Preferably, when the rib-forming interval S is 200mm, two kinds of basic board widths of the prefabricated composite slab of 1650mm and 2250mm and two kinds of auxiliary board widths of the prefabricated composite slab of 1050mm and 2850mm can be preferably selected. This four kinds of board width's prefabricated superimposed sheet had both satisfied setting up the demand of reinforcing bar and had satisfied truss muscle 30's design demand, and avoided extravagant truss muscle 30, and in addition, this four kinds of board width's prefabricated superimposed sheet size is suitable, is convenient for transport, hoist and mount and construction. The prefabricated composite slab with the standard board width is obtained by unifying the rib-forming intervals, and the problems of scattered board width and size and various varieties of the prefabricated composite slab for the assembly building are solved. The plate length of the prefabricated laminated slab is set according to the length of the opening.
The invention also provides a specific embodiment of the assembling and disassembling method of the prefabricated composite slab, which comprises the steps of carrying out various board width combination designs by adopting the prefabricated composite slab of the embodiment according to the room width, and then pouring concrete between the prefabricated composite slabs.
And in a single room, the floor slabs of the room which can be prefabricated are arranged one by using the plate width combination and the inter-slab post-pouring belts, so that the split arrangement design of the laminated slab members of the floors is completed.
It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A method for designing a prefabricated composite slab, comprising:
selecting the space S as the rib outlet space of the prefabricated laminated slab;
unifying the intervals of the steel bars in the prefabricated laminated slab into S, 0.75S or 0.5S by adopting an equal-strength substitution formula;
when the distance between the steel bars of the prefabricated composite slab is S, arranging steel bar outlet steel bars entering the support in the width direction of the prefabricated composite slab according to the distance S;
when the steel bar spacing of the prefabricated composite slab is 0.75S, arranging steel bar outlet steel bars entering the support according to the spacing S in the width direction of the prefabricated composite slab, and arranging one steel bar not to be discharged between the two steel bar outlet steel bars at intervals of 2S;
when the steel bar interval of the prefabricated laminated slab is 0.5S, the steel bar outlet steel bars entering the support are arranged in the width direction of the prefabricated laminated slab according to the interval S, and then one steel bar outlet steel bar is arranged between every two steel bar outlet steel bars.
2. The method as claimed in claim 1, wherein the equal strength substitution formula is:
fy1*d12/S1＝fy2*d22/S2；
wherein fy is the strength of the steel bar (N/mm)2) D is the diameter (mm) of the steel bar, and S is the interval (mm) of the steel bar.
3. The method as claimed in claim 1, wherein when the distance between the bars of the prefabricated composite slab is S, the step of arranging the bar-out bars entering the support at the distance S in the width direction of the prefabricated composite slab specifically comprises:
when the distance between the steel bars of the prefabricated composite slab is S, arranging a first steel bar outlet steel bar at a position L away from the edge of the prefabricated composite slab in the prefabricated composite slab along the width direction of the prefabricated composite slab, and then sequentially arranging one steel bar outlet steel bar at each interval S after the first steel bar outlet steel bar, wherein the distance between the last steel bar outlet steel bar and the edge of the slab is L;
when prefabricated superimposed sheet 'S reinforcing bar interval was 0.75S, set up the play muscle reinforcing bar that gets into the support according to interval S earlier at prefabricated superimposed sheet' S width direction, then every interval 2S sets up one in the middle of two play muscle reinforcing bars and can not go out the muscle reinforcing bar and specifically include:
when the distance between the steel bars of the prefabricated composite slab is 0.75S, arranging a first steel bar outlet steel bar at a position L away from the edge of the prefabricated composite slab in the prefabricated composite slab along the width direction of the prefabricated composite slab, then sequentially arranging one steel bar outlet steel bar at intervals of S after the first steel bar outlet steel bar, and setting the distance between the last steel bar outlet steel bar and the edge of the slab to be L;
arranging a reinforcement bar which cannot be discharged between two adjacent reinforcement bars of the first group, and then sequentially arranging reinforcement bars which cannot be discharged every 2S intervals;
when prefabricated superimposed sheet 'S reinforcing bar interval was 0.5S, set up the play muscle reinforcing bar that gets into the support according to interval S earlier at prefabricated superimposed sheet' S width direction, then set up one in the middle of per two play muscle reinforcing bars and can not go out the muscle reinforcing bar and specifically include:
when the distance between the steel bars of the prefabricated composite slab is 0.5S, arranging a first steel bar outlet steel bar at a position L away from the edge of the prefabricated composite slab in the prefabricated composite slab along the width direction of the prefabricated composite slab, and then sequentially arranging one steel bar outlet steel bar at intervals of S after the first steel bar outlet steel bar, wherein the distance between the last steel bar outlet steel bar and the edge of the slab is L;
and a reinforcement bar which cannot be output is arranged between every two adjacent reinforcement bar output.
4. A method of designing a prefabricated laminated slab, according to claim 1, wherein said spacing S has a value of 200mm and L is 25 mm.
5. The method for designing a prefabricated composite slab as claimed in claim 4, further comprising:
arranging a first truss rib at a position S + L away from the plate edge in the prefabricated composite slab along the width direction of the prefabricated composite slab;
and arranging one truss rib at each interval of 3S behind the first truss rib, wherein the distance between the last truss rib and the plate edge is S + L.
6. A prefabricated composite panel characterized by being produced by the method for designing a prefabricated composite panel according to any one of claims 1 to 5.
7. A prefabricated composite panel according to claim 6 wherein said prefabricated composite panel has a panel width of 1050mm, 1650mm, 2250mm or 2850 mm.
8. An assembling and disassembling method of a prefabricated composite slab is characterized by comprising the following steps: the prefabricated composite slab of claim 6 is used for various board width combination designs according to the room width, and concrete is poured between the prefabricated composite slabs.
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| CN116604699A (en) * | 2023-07-19 | 2023-08-18 | 成都建工雅安建设有限责任公司 | Intelligent superimposed sheet prefabricated system |
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| CN116604699B (en) * | 2023-07-19 | 2023-10-13 | 成都建工雅安建设有限责任公司 | Intelligent superimposed sheet prefabricated system |
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