CN110094005B - Assembled laminated slab and production process thereof - Google Patents
Assembled laminated slab and production process thereof Download PDFInfo
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- CN110094005B CN110094005B CN201910315258.3A CN201910315258A CN110094005B CN 110094005 B CN110094005 B CN 110094005B CN 201910315258 A CN201910315258 A CN 201910315258A CN 110094005 B CN110094005 B CN 110094005B
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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
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
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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
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
- E04B5/326—Floor structures wholly cast in situ with or without form units or reinforcements with hollow filling elements
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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
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
- E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
- E04B5/38—Floor 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
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
- E04C5/065—Light-weight girders, e.g. with precast parts
- E04C5/0653—Light-weight girders, e.g. with precast parts with precast parts
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- Structural Engineering (AREA)
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- Electromagnetism (AREA)
- Panels For Use In Building Construction (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention relates to the field of laminated slabs, in particular to an assembled laminated slab and a production process thereof. The invention can lead the thickness of the bottom plate to be less than 60mm and can still meet the rigidity requirement of the laminated plate in the building construction process; the weight of the bottom plate is reduced, the self weight of the whole structure of the building is reduced, and the utilization rate of the indoor area of the building and the floor height headroom are improved; is convenient for assembly and production, is not easy to damage in the transportation process, and has a defective rate of almost zero.
Description
Technical Field
The invention relates to the field of laminated slabs, in particular to an assembled laminated slab and a production process thereof.
Background
In recent years, a large number of concrete truss composite slabs are used in the construction industry, and the product can reduce wet operation steps and the using amount of construction templates and scaffolds in the construction process, reduce labor consumption, reduce construction difficulty and improve construction efficiency.
The existing concrete truss composite slab is manufactured in advance to form a truss consisting of an upper chord member, a web member and a lower chord member, the lower chord member and part of the web member are embedded into a concrete bottom plate when the concrete bottom plate is poured to form the concrete truss composite slab, and the lower chord member is simultaneously used as a longitudinal inner rib of the concrete bottom plate. The thickness of the concrete truss laminated slab with the structure is required to be ensured to be more than 60mm, otherwise, the bottom plate can be distorted, the requirement on the rigidity of the laminated slab in the building construction process cannot be met, the larger the thickness of the concrete bottom plate is, the larger the self weight is, so that the self weight of the whole structure of the building is increased, the volume of foundation structural members such as beams, columns and walls is increased, the utilization rate of the indoor area of the building and the floor height clearance are reduced, the strength of the concrete truss laminated slab is also limited, cracks are easily generated in the transportation and installation processes, and the defective rate is higher.
Disclosure of Invention
The invention aims to provide a fabricated composite slab which has the advantages of low thickness and meeting the requirement on the rigidity of the composite slab in the building construction process.
The above object of the present invention is achieved by the following technical solutions: an assembled laminated slab comprises a bottom plate, trusses and a concrete layer, wherein the trusses are connected to the upper surface of the bottom plate, the concrete layer wraps the bottom plate and the bottoms of the trusses, each truss comprises two chords and a pressing rod, the pressing rods are fixed to the tops of the chords, each bottom plate comprises a plurality of hollow regular-triangle straight prisms, the side edges of every two adjacent regular-triangle straight prisms are attached to each other and connected through bolts, a plurality of transverse ribs penetrate through the bottom plate and are perpendicular to the central axes of the regular-triangle straight prisms, and the transverse ribs penetrate through all the regular-triangle straight prisms; the upper surface of each regular triangle prism is provided with a plurality of through holes along the length direction, two chord members penetrate into the two regular triangle prisms respectively, and two ends of each chord member extend into the regular triangle prisms and are fixed through the two through holes on the same regular triangle prism; the concrete layer seals two ends of the regular triangle straight prism, and the concrete layer enters the regular triangle straight prism.
Through adopting above-mentioned technical scheme, utilize steel or the better macromolecular material of atress performance, the hollow regular triangle straight prism that alloy material etc. made makes up into the bottom plate, with the truss, indulge the muscle, horizontal muscle and concrete layer and the regular triangle straight prism that has triangle-shaped stable structure link as an organic whole ingeniously, form novel superimposed sheet, it has better structural strength (compressive strength, tensile strength, shear strength) to have than ordinary reinforced concrete superimposed sheet, and the main part of novel superimposed sheet is the bottom plate, thinner bottom plate can reach the performance of traditional reinforced concrete superimposed sheet, so can still can satisfy the requirement to superimposed sheet rigidity in the building construction process when the bottom plate thickness that can make novel superimposed sheet is less than 60 mm.
Preferably, longitudinal ribs are arranged in the regular triangle straight prism and extend out from two ends of the regular triangle straight prism.
By adopting the technical scheme, the longitudinal ribs are arranged inside the right triangular prism, so that the right triangular prism and the vertical triangular prism can be stably combined.
Preferably, both ends of the chord are provided with through holes, and the longitudinal ribs penetrate through the through holes.
By adopting the technical scheme, the longitudinal bars can be stably combined with the truss.
Preferably, the longitudinal ribs are pressed between the transverse ribs and sharp corners of the inner walls of the regular triangular straight prisms; two ends of the chord member are provided with through holes, a steel wire rope is arranged in the right triangular prism, the steel wire rope penetrates through the through holes at the two ends of the chord member, and the steel wire rope bypasses all the transverse ribs and then is connected with the two ends.
By adopting the technical scheme, the longitudinal ribs, the transverse ribs, the truss and the regular triangle straight prism can be stably combined.
Preferably, the bottom plate is sleeved with a plurality of reinforcing plates, the reinforcing plates are arranged along the length direction of the transverse ribs, and the reinforcing plates are covered by a concrete layer; the reinforcing plate comprises a first flat plate flatly attached to the upper surface of the bottom plate and a second flat plate flatly attached to the lower surface of the bottom plate, and the two ends of the first flat plate and the two ends of the second flat plate are connected through short plates.
Through adopting above-mentioned technical scheme, utilize the reinforcing plate can improve the structural strength of bottom plate, be applicable to the great superimposed sheet of span.
Preferably, the reinforcing plate is positioned between two adjacent trusses, a screw is fixed in the through hole, and a nut of the screw is fixedly connected with the first flat plate.
By adopting the technical scheme, the reinforcing plate can be stably combined with the regular-triangle straight prism.
Preferably, the concrete layer in the regular triangle straight prism is positioned below 1-2 trusses at the end part of the regular triangle straight prism.
Through adopting above-mentioned technical scheme, can make bottom plate and concrete layer combine, and can alleviate concrete layer's weight.
The above object of the present invention is also achieved by the following technical solutions: a production process of an assembled laminated slab comprises the following steps:
step1, dividing a plurality of regular triangular prisms into two batches with the same number, wherein a plurality of through holes are uniformly drilled on one side surface of each regular triangular prism in one batch along the length direction, then drilling mounting holes of bolts at corresponding positions at two ends of all the regular triangular prisms, and drilling mounting holes of transverse ribs at corresponding positions on two side surfaces of each regular triangular prism;
step2, attaching the side edges of all regular triangle straight prisms, enabling the regular triangle straight prisms with the through holes and the regular triangle straight prisms without the through holes to be located at adjacent positions, installing bolts at the installation holes of the bolts, and penetrating transverse ribs into the installation holes of the transverse ribs;
step3, drilling through holes at two ends of the chord member, inserting the two ends of the chord member into the two through holes on the same regular triangle prism, penetrating longitudinal ribs into the through holes of the chord member, and extending the longitudinal ribs out of the two ends of the regular triangle prism;
step4, welding the pressure rods on the tops of the two rows of chord members on the two regular triangular straight prisms;
and step5, pouring a concrete layer on the bottom plate, wherein the concrete layer covers the bottom plate and the bottoms of the chord members, and the concrete layer enters the regular triangular prism from two ends of the regular triangular prism for a certain distance.
The above object of the present invention is also achieved by the following technical solutions: a production process of an assembled laminated slab comprises the following steps:
step1, dividing a plurality of regular triangular straight prisms into two batches with the same quantity, wherein a plurality of through holes are uniformly drilled on one side surface of each regular triangular straight prism in one batch along the length direction, then drilling mounting holes of bolts at corresponding positions at two ends of all the regular triangular straight prisms, and drilling mounting holes of transverse ribs at corresponding positions on two side surfaces of each regular triangular straight prism, so that only the next longitudinal rib is accommodated between the mounting holes of the transverse ribs and the sharp corners of the inner walls of the regular triangular straight prisms;
step2, attaching the side edges of all regular triangular straight prisms, enabling the regular triangular straight prisms with the through holes and the regular triangular straight prisms without the through holes to be located at adjacent positions, installing bolts at the installation holes of the bolts, penetrating transverse ribs into the installation holes of the transverse ribs, penetrating a longitudinal rib between the transverse rib and the sharp corner of the inner wall of each regular triangular straight prism, and enabling the longitudinal ribs to extend out of two ends of each regular triangular straight prism;
step3, drilling through holes at two ends of the chord member, inserting the two ends of the chord member into the two through holes on the same regular triangle prism, penetrating the through holes at the two ends of the chord member by using a steel wire rope, and connecting the two ends of the steel wire rope after the steel wire rope bypasses all transverse ribs;
step4, welding the pressure rods on the tops of the two rows of chord members on the two regular triangular straight prisms;
and step5, pouring a concrete layer on the bottom plate, wherein the concrete layer covers the bottom plate and the bottoms of the chord members, and the concrete layer enters the regular triangular prism from two ends of the regular triangular prism for a certain distance.
By adopting the technical scheme, the method has the advantages that,
in conclusion, the beneficial technical effects of the invention are as follows:
1. the thickness of the bottom plate can be smaller than 60mm, and the requirement on the rigidity of the laminated plate in the building construction process can be still met;
2. the weight of the bottom plate is reduced, the self weight of the whole structure of the building is reduced, and the utilization rate of the indoor area of the building and the floor height headroom are improved;
3. is convenient for assembly and production, is not easy to damage in the transportation process, and has a defective rate of almost zero.
Drawings
FIG. 1 is a schematic view showing the overall construction of a fabricated laminate in accordance with example 1;
FIG. 2 is a schematic view of the structure of FIG. 1 after the concrete layer is hidden;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a front view of the fabricated laminate slab of example 2 after concealing a concrete layer;
FIG. 5 is an enlarged view of portion B of FIG. 4;
fig. 6 is a schematic view of the connection of the steel wire rope with the transverse bar and the chord.
In the figure, 1, a bottom plate; 11. a regular triangular right prism; 11a, a through hole; 2. a truss; 21. a chord member; 21a, punching; 22. a pressure lever; 3. a concrete layer; 4. a reinforcing plate; 41. a first plate; 42. a second plate; 43. a short plate; 5. transverse ribs; 6. longitudinal ribs; 7. a wire rope; 8. a bolt; 9. and (4) screws.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1: fig. 1 shows an assembled composite slab disclosed by the invention, which comprises a bottom plate 1 (see fig. 2), wherein the bottom plate 1 is formed by connecting a plurality of hollow regular triangular prisms 11 through bolts 8 (see fig. 3), the side edges of all two adjacent regular triangular prisms 11 are attached to each other and connected through the bolts 8, and the bolts 8 are positioned at two ends of the regular triangular prisms 11. The regular triangular prism 11 is made of steel or polymer material or alloy material with better stress performance.
As shown in fig. 2, a plurality of transverse ribs 5 perpendicular to the central axis of the regular triangular straight prisms 11 penetrate through the bottom plate 1, and the transverse ribs 5 penetrate through all the regular triangular straight prisms 11. Each regular triangle straight prism 11 is internally provided with a longitudinal bar 6, and the longitudinal bar 6 extends out from two ends of the regular triangle straight prism 11.
As shown in fig. 3, the upper surface of the bottom plate 1 is connected with a plurality of trusses 2, each truss 2 is composed of two chords 21 and a pressure lever 22, the pressure lever 22 is welded and fixed on the top between the two chords 21, the chords 21 and the pressure levers 22 are steel bars, and each row of trusses 2 share one pressure lever 22. The upper surface of each regular triangle prism 11 is provided with a plurality of through holes 11a along the length direction, two chord members 21 in each truss 2 penetrate into the two regular triangle prisms 11 respectively, and two ends of each chord member 21 extend into the regular triangle prisms 11 through the two through holes 11a on the same regular triangle prism 11. Two ends of the chord member 21 are provided with through holes 21a, and the longitudinal bar 6 in the regular triangle straight prism 11 is inserted into the through holes 21 a.
As shown in fig. 3, when the laminated slab span is long, a plurality of reinforcing plates 4 may be externally installed on the bottom plate 1, and the reinforcing plates 4 may be installed along the longitudinal direction of the transverse ribs 5. The reinforcing plate 4 is composed of a first flat plate 41, a second flat plate 42 and a short plate 43, the first flat plate 41 is flatly attached to the upper surface of the bottom plate 1, the second flat plate 42 is flatly attached to the lower surface of the bottom plate 1, and two ends of the first flat plate 41 and two ends of the second flat plate 42 are fixedly connected through the short plate 43. The reinforcing plate 4 is positioned between two adjacent trusses 2, the two sides of the first plate 41 are provided with screws 9, the screws 9 are screwed or welded in the through holes 11a, and nuts of the screws 9 are welded or pressed on the first plate 41.
As shown in fig. 1, the bottom plate 1 is wrapped with a concrete layer 3, and the concrete layer 3 covers the reinforcing plate 4 and the bottom of the truss 2. The concrete layer 3 also seals two ends of the regular triangle prism 11, the concrete layer 3 enters the two ends of the regular triangle prism 11 for a certain distance, and the concrete layer 3 in the regular triangle prism 11 is positioned below the two trusses 2 at the end part of the regular triangle prism 11.
The production process flow of the fabricated laminated slab in the embodiment is as follows:
firstly, dividing a plurality of regular triangle straight prisms 11 into two batches with the same quantity, wherein a plurality of through holes 11a are uniformly drilled on one side surface of each regular triangle straight prism 11 in one batch along the length direction, then, mounting holes of bolts 8 are drilled at corresponding positions of two ends of all regular triangle straight prisms 11, and mounting holes of transverse ribs 5 are drilled at corresponding positions of two side surfaces of each regular triangle straight prism 11;
secondly, attaching the sides of all regular triangular straight prisms 11, enabling the regular triangular straight prisms 11 with the through holes 11a and the regular triangular straight prisms 11 without the through holes 11a to be located at adjacent positions, installing bolts 8 at the installation holes of the bolts 8, and penetrating transverse ribs 5 into the installation holes of the transverse ribs 5;
thirdly, drilling through holes 21a at two ends of the chord member 21, inserting the two ends of the chord member 21 into the two through holes 11a of the same regular triangle straight prism 11, penetrating the longitudinal ribs 6 into the through holes 21a of the chord member 21, and extending the longitudinal ribs 6 out of the two ends of the regular triangle straight prism 11;
fourthly, welding the pressure rods 22 on the tops of the two rows of chords 21 on the two regular triangular straight prisms 11;
and fifthly, pouring a concrete layer 3 on the bottom plate 1, wherein the concrete layer 3 covers the bottom of the bottom plate 1, the reinforcing plate 4 and the bottom of the chord member 21, and the concrete layer 3 enters the regular triangle straight prism 11 from two ends of the regular triangle straight prism 11 for a certain distance.
Example 2: unlike embodiment 1, a fabricated composite slab, as shown in fig. 5, is configured such that a single wire rope 7 is inserted through the through-holes 21a at both ends of all the chords 21 without inserting the longitudinal ribs 6.
Referring to fig. 5 and 6, the steel wire rope 7 is connected to both ends of the steel wire rope after bypassing all the transverse ribs 5, and the longitudinal ribs 6 are pressed between the transverse ribs 5 and the sharp corners of the inner walls of the regular triangular straight prisms 11.
The production process flow of the fabricated laminated slab in the embodiment is as follows:
firstly, dividing a plurality of regular triangular straight prisms 11 into two batches with the same quantity, wherein a plurality of through holes 11a are uniformly drilled on one side surface of each regular triangular straight prism 11 in one batch along the length direction, then drilling mounting holes of bolts 8 at corresponding positions at two ends of all the regular triangular straight prisms 11, and drilling mounting holes of transverse ribs 5 at corresponding positions on two side surfaces of each regular triangular straight prism 11, so that only one longitudinal rib 6 is accommodated between the mounting hole of the transverse rib 5 and the sharp corner of the inner wall of each regular triangular straight prism 11;
secondly, attaching the side edges of all regular triangular straight prisms 11, enabling the regular triangular straight prisms 11 with through holes 11a and the regular triangular straight prisms 11 without the through holes 11a to be located at adjacent positions, installing bolts 8 at installing holes of the bolts 8, penetrating transverse ribs 5 into the installing holes of the transverse ribs 5, penetrating a longitudinal rib 6 between the transverse ribs 5 and the sharp corners of the inner walls of each regular triangular straight prism 11, and enabling the longitudinal ribs 6 to extend out of two ends of the regular triangular straight prisms 11;
thirdly, drilling through holes 21a at two ends of the chord member 21, inserting two ends of the chord member 21 into two through holes 11a on the same regular triangle prism 11, penetrating the through holes 21a at two ends of all the chord members 21 by using a steel wire rope 7, and connecting the two ends of the steel wire rope 7 after bypassing all the transverse ribs 5;
fourthly, welding the pressure rods 22 on the tops of the two rows of chords 21 on the two regular triangular straight prisms 11;
and fifthly, pouring a concrete layer 3 on the bottom plate 1, wherein the concrete layer 3 covers the bottom of the bottom plate 1, the reinforcing plate 4 and the bottom of the chord member 21, and the concrete layer 3 enters the regular triangle straight prism 11 from two ends of the regular triangle straight prism 11 for a certain distance.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (8)
1. The utility model provides an assembled superimposed sheet, includes bottom plate (1), truss (2) and concrete layer (3), and truss (2) are connected in bottom plate (1) upper surface, and concrete layer (3) parcel bottom plate (1) and truss (2) bottom, and truss (2) include two chord member (21) and a depression bar (22), and depression bar (22) are fixed in chord member (21) top, its characterized in that: the bottom plate (1) comprises a plurality of hollow regular triangular straight prisms (11), the side edges of every two adjacent regular triangular straight prisms (11) are attached to each other and connected through bolts (8), a plurality of transverse ribs (5) penetrate through the bottom plate (1), the transverse ribs (5) are perpendicular to the central axis of the regular triangular straight prisms (11), and the transverse ribs (5) penetrate through all the regular triangular straight prisms (11); the upper surface of each regular triangle prism (11) is provided with a plurality of through holes (11 a) along the length direction, two chord members (21) penetrate into the two regular triangle prisms (11) respectively, and two ends of each chord member (21) extend into the regular triangle prisms (11) and are fixed through the two through holes (11 a) on the same regular triangle prism (11); the concrete layer (3) seals two ends of the regular-triangular right prism (11), and the concrete layer (3) enters the regular-triangular right prism (11); a plurality of reinforcing plates (4) are sleeved outside the bottom plate (1), the reinforcing plates (4) are arranged along the length direction of the transverse ribs (5), and the reinforcing plates (4) are covered by the concrete layer (3); the reinforcing plate (4) comprises a first flat plate (41) flatly attached to the upper surface of the bottom plate (1) and a second flat plate (42) flatly attached to the lower surface of the bottom plate (1), and the two ends of the first flat plate (41) and the two ends of the second flat plate (42) are connected through short plates (43).
2. A fabricated composite board according to claim 1, wherein: longitudinal ribs (6) are arranged in the regular triangle straight prism (11), and the longitudinal ribs (6) extend out of two ends of the regular triangle straight prism (11).
3. A fabricated composite board according to claim 2, wherein: both ends of the chord member (21) are provided with through holes (21 a), and the longitudinal ribs (6) penetrate through the through holes (21 a).
4. A fabricated composite board according to claim 2, wherein: the longitudinal ribs (6) are pressed between the transverse ribs (5) and the sharp corners of the inner walls of the regular triangular straight prisms (11); both ends of chord member (21) are equipped with perforation (21 a), are equipped with wire rope (7) in regular triangle rectangular prism (11), and wire rope (7) pass perforation (21 a) at all chord member (21) both ends, and wire rope (7) are walked around all horizontal muscle (5) back both ends and are connected.
5. A fabricated composite board according to claim 1, wherein: the reinforcing plate (4) is positioned between two adjacent trusses (2), a screw (9) is fixed in the through hole (11 a), and a nut of the screw (9) is fixedly connected with the first flat plate (41).
6. A fabricated composite board according to claim 1, wherein: the concrete layer (3) in the regular triangle straight prism (11) is positioned below 1-2 trusses (2) at the end part of the regular triangle straight prism (11).
7. A production process of a fabricated composite board according to claim 3, comprising the steps of:
step1, dividing a plurality of regular triangle prisms (11) into two batches with the same quantity, wherein a plurality of through holes (11 a) are uniformly drilled on one side surface of each regular triangle prism (11) of one batch along the length direction, then mounting holes of bolts (8) are drilled at corresponding positions at two ends of all the regular triangle prisms (11), and mounting holes of transverse ribs (5) are drilled at corresponding positions on two side surfaces of each regular triangle prism (11);
step2, attaching the sides of all regular triangular straight prisms (11), enabling the regular triangular straight prisms (11) with the through holes (11 a) and the regular triangular straight prisms (11) without the through holes (11 a) to be located at adjacent positions, installing bolts (8) at the installation holes of the bolts (8), and penetrating transverse ribs (5) into the installation holes of the transverse ribs (5);
step3, drilling through holes (21 a) at two ends of a chord (21), inserting two ends of the chord (21) into two through holes (11 a) on the same regular-triangle straight prism (11), penetrating longitudinal ribs (6) into the through holes (21 a) of the chord (21), and enabling the longitudinal ribs (6) to extend out of two ends of the regular-triangle straight prism (11);
step4, welding the pressure rods (22) on the tops of the two rows of chord members (21) on the two regular triangular straight prisms (11);
and step5, pouring a concrete layer (3) on the bottom plate (1), wherein the concrete layer (3) covers the bottom of the bottom plate (1) and the bottom of the chord member (21), and the concrete layer (3) enters the regular triangle straight prism (11) from two ends of the regular triangle straight prism (11) for a certain distance.
8. A production process of a fabricated composite board according to claim 4, comprising the steps of:
step1, dividing a plurality of regular triangular straight prisms (11) into two batches with the same quantity, wherein a plurality of through holes (11 a) are uniformly drilled on one side surface of each regular triangular straight prism (11) in one batch along the length direction, then drilling mounting holes of bolts (8) at corresponding positions at two ends of all the regular triangular straight prisms (11), and drilling mounting holes of transverse ribs (5) at corresponding positions on two side surfaces of each regular triangular straight prism (11), so that only one longitudinal rib (6) is accommodated between the mounting holes of the transverse ribs (5) and the sharp corners of the inner wall of each regular triangular straight prism (11);
step2, attaching the sides of all regular triangular straight prisms (11), enabling the regular triangular straight prisms (11) with the through holes (11 a) and the regular triangular straight prisms (11) without the through holes (11 a) to be located at adjacent positions, installing bolts (8) at the installation holes of the bolts (8), penetrating transverse ribs (5) into the installation holes of the transverse ribs (5), penetrating a longitudinal rib (6) between the transverse ribs (5) and the sharp corners of the inner wall of each regular triangular straight prism (11), and enabling the longitudinal rib (6) to extend out of two ends of each regular triangular straight prism (11);
step3, drilling through holes (21 a) at two ends of the chord member (21), inserting two ends of the chord member (21) into two through holes (11 a) in the same regular triangle prism (11), penetrating the through holes (21 a) at two ends of the chord member (21) by using a steel wire rope (7), and connecting the two ends of the steel wire rope (7) after bypassing all transverse ribs (5);
step4, welding the pressure rods (22) on the tops of the two rows of chord members (21) on the two regular triangular straight prisms (11);
and step5, pouring a concrete layer (3) on the bottom plate (1), wherein the concrete layer (3) covers the bottom of the bottom plate (1) and the bottom of the chord member (21), and the concrete layer (3) enters the regular triangle straight prism (11) from two ends of the regular triangle straight prism (11) for a certain distance.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910315258.3A CN110094005B (en) | 2019-04-18 | 2019-04-18 | Assembled laminated slab and production process thereof |
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| CN201910315258.3A CN110094005B (en) | 2019-04-18 | 2019-04-18 | Assembled laminated slab and production process thereof |
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| CN110094005B true CN110094005B (en) | 2021-02-26 |
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| CN203808328U (en) * | 2014-02-12 | 2014-09-03 | 浙江杭萧钢构股份有限公司 | Steel bar truss one-way hollow overlapped floor slab |
| KR20170109248A (en) * | 2016-03-21 | 2017-09-29 | 강용욱 | Apparatus and method for installing a deck plate installed truss girder support |
| CN106639101A (en) * | 2016-05-26 | 2017-05-10 | 湖北大成空间科技股份有限公司 | Assembled type cavity composite floor slab construction method |
| CN106049733B (en) * | 2016-07-15 | 2019-09-13 | 中国矿业大学 | A kind of honeycomb hole profiled sheet sandwich hollow slab |
| CN206205236U (en) * | 2016-10-19 | 2017-05-31 | 北京仟世达技术开发有限公司 | A kind of deformed bar truss hollow superimposed sheet |
| KR20180094672A (en) * | 2017-02-16 | 2018-08-24 | 주식회사 청진이엔씨 | Precast Concrete(PC) deck plate having attachment and shear performance |
| KR102044712B1 (en) * | 2017-06-02 | 2019-11-14 | 경기대학교 산학협력단 | Hollow core deck plate for preparing hollow core concrete slab and wall |
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