CN220768566U - Steel bar truss superposed floor support plate structure and commodity building with same - Google Patents
Steel bar truss superposed floor support plate structure and commodity building with same Download PDFInfo
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- CN220768566U CN220768566U CN202322463831.XU CN202322463831U CN220768566U CN 220768566 U CN220768566 U CN 220768566U CN 202322463831 U CN202322463831 U CN 202322463831U CN 220768566 U CN220768566 U CN 220768566U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 164
- 239000010959 steel Substances 0.000 title claims abstract description 164
- 238000005452 bending Methods 0.000 claims description 30
- 230000003014 reinforcing effect Effects 0.000 claims description 25
- 239000002131 composite material Substances 0.000 claims description 13
- 230000002787 reinforcement Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 abstract description 10
- 238000010008 shearing Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 210000002435 tendon Anatomy 0.000 description 10
- 239000010410 layer Substances 0.000 description 8
- 239000004567 concrete Substances 0.000 description 6
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 5
- 238000011065 in-situ storage Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 239000011381 foam concrete Substances 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
A steel bar truss superposed floor support plate structure and a commodity building with the same are provided, wherein the bottoms of a plurality of truss units of the floor support plate are pre-embedded into a prefabricated bottom plate; each truss unit comprises an upper chord steel bar, a first lower chord steel bar, a second lower chord steel bar, a first truss web and a second truss web; a first truss web member is distributed between the upper chord steel bars and the first lower chord steel bars, the first truss web member is formed with a plurality of first truss web member upper parallel sections contacted with the upper chord steel bars, and the first truss web member is formed with a plurality of first truss web member lower parallel sections contacted with the first lower chord steel bars; and a plurality of second truss web rib lower parallel sections contacted with the second lower chord steel bars are formed on the second truss web ribs. The utility model can effectively disperse stress, has high strength, strong shearing resistance of the overlapped interface and good force transmission effect.
Description
Technical Field
The utility model belongs to the technical field of composite floor slabs, and particularly relates to a steel bar truss composite floor supporting plate structure and a commodity building with the same.
Background
The laminated floor support plate is an assembled integral floor formed by laminating precast slabs and cast-in-situ reinforced concrete layers. The composite floor slab has good integrity, the upper and lower surfaces of the slab are smooth, the decoration of the finish layer is convenient, and the composite floor slab is suitable for high-rise buildings and large-bay buildings with high overall rigidity requirements.
The traditional prefabricated superposed floor carrier plate is characterized in that the arrangement and the structural design of the reinforcing steel bars are unreasonable, the contact positions of the reinforcing steel bars are usually point contact, and the stress points are concentrated. The prefabricated ceramsite foam concrete composite floor slab provided with truss ribs comprises a prefabricated bottom layer, a prefabricated interlayer, a cast-in-situ top layer and truss steel bar net frames; the steel bar net rack consists of truss web ribs, first chord ribs, second chord ribs, third chord ribs, first distributed transverse ribs and second distributed transverse ribs; the first chord tendons, the second chord tendons and the first distributed transverse tendons are arranged in the prefabricated bottom layer, the third chord tendons, the distributed longitudinal tendons and the second distributed transverse tendons are arranged in the cast-in-situ top layer, and the truss web tendons are fixed on the first chord tendons, the second chord tendons and the third chord tendons; the prefabricated bottom layer and the cast-in-situ top layer are both made of common commercial concrete, and the prefabricated interlayer is made of ceramsite foam concrete. The technology cannot effectively disperse stress, has poor strength, has weak shearing resistance of a superposition interface, and cannot meet the requirement of bearing reliability in the application process.
Disclosure of Invention
Therefore, the utility model provides a steel bar truss superposed floor support plate structure and a commodity building with the same, which are used for solving the problems that the traditional steel bar truss superposed floor support plate structure cannot effectively disperse stress, is poor in strength and weak in shearing resistance of superposed interfaces.
In order to achieve the above object, the present utility model provides the following technical solutions: the steel bar truss superposed floor support plate structure comprises a prefabricated bottom plate and a plurality of truss units, wherein the bottoms of the truss units are pre-buried in the prefabricated bottom plate; each truss unit comprises an upper chord steel bar, a first lower chord steel bar, a second lower chord steel bar, a first truss web and a second truss web;
the first truss web bars are distributed between the upper chord steel bars and the first lower chord steel bars, the first truss web bars are formed with a plurality of first truss web bar upper parallel sections which are in contact with the upper chord steel bars, and the first truss web bars are formed with a plurality of first truss web bar lower parallel sections which are in contact with the first lower chord steel bars;
the second truss web members are distributed between the upper chord steel bars and the second lower chord steel bars, a plurality of second truss web member upper parallel sections which are in contact with the upper chord steel bars are formed on the second truss web members, and a plurality of second truss web member lower parallel sections which are in contact with the second lower chord steel bars are formed on the second truss web members.
As a preferable scheme of the steel bar truss superposed floor carrier plate structure, the main body of the first lower chord steel bar is pre-buried in the prefabricated bottom plate, a first lower chord bending section and a first lower chord leading-out section are formed at two ends of the first lower chord steel bar, and the first lower chord leading-out section is exposed out of the prefabricated bottom plate;
the main body of the second lower chord steel bar is pre-buried in the prefabricated bottom plate, a second lower chord bending section and a second lower chord leading-out section are formed at two ends of the second lower chord steel bar, and the second lower chord leading-out section is exposed out of the prefabricated bottom plate.
As the preferable scheme of the reinforced truss superposed floor carrier plate structure, a transverse reinforcing short rib is lapped between the first lower chord leading-out section and the second lower chord bending section, and a longitudinal reinforcing short rib is connected between the transverse reinforcing short rib and the upper chord reinforcing steel bar.
As the preferable scheme of the steel bar truss superposed floor carrier plate structure, the center height difference between the first lower chord lead-out section and the main body of the first lower chord steel bar is h, and the length of the first lower chord bending section is at least 6h;
the center height difference between the second lower chord lead-out section and the main body of the second lower chord reinforcing steel bar is h, and the length of the second lower chord bending section is at least 6h.
As the preferable scheme of the steel bar truss superposed floor carrier plate structure, the diameter of the first lower chord steel bar is d, and the length of the first lower chord lead-out section is at least 35d;
the diameter of the second lower chord steel bar is d, and the length of the second lower chord lead-out section is at least 35d.
As the preferable scheme of the steel bar truss superposed floor carrier plate structure, the upper parallel sections of the first truss web bars and the upper parallel sections of the second truss web bars are symmetrically distributed on two sides of the upper chord steel bars;
the lower parallel section of the first truss web member and the upper parallel section of the second truss web member are in a symmetrical state.
As the preferable scheme of the reinforced truss superposed floor carrier plate structure, the bottoms of a plurality of truss units are mutually parallel at intervals and are pre-buried in the prefabricated bottom plate.
As the preferable scheme of the reinforced truss superposed floor carrier plate structure, a plurality of truss units are penetrated by at least two transverse reinforcing long ribs, and the two transverse reinforcing long ribs are mutually parallel.
As the preferable scheme of the steel bar truss superposed floor carrier plate structure, the transverse reinforcing long rib passes through the lower parallel section of the first truss web rib, the first lower chord steel bar, the lower parallel section of the second truss web rib and the upper end of the second lower chord steel bar.
The utility model also provides a commodity building, which adopts the steel bar truss superposed floor support plate structure.
The utility model has the following advantages: the bottoms of the truss units are pre-buried in the prefabricated bottom plates; each truss unit comprises an upper chord steel bar, a first lower chord steel bar, a second lower chord steel bar, a first truss web and a second truss web; a first truss web member is distributed between the upper chord steel bars and the first lower chord steel bars, the first truss web member is formed with a plurality of first truss web member upper parallel sections contacted with the upper chord steel bars, and the first truss web member is formed with a plurality of first truss web member lower parallel sections contacted with the first lower chord steel bars; and a plurality of second truss web rib lower parallel sections contacted with the second lower chord steel bars are formed on the second truss web ribs. The utility model can effectively disperse stress, has high strength, strong shearing resistance of the overlapped interface and good force transmission effect.
Drawings
In order to more clearly illustrate the embodiments of the present utility model 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 will be apparent to those skilled in the art from this disclosure that the drawings described below are merely exemplary and that other embodiments may be derived from the drawings provided without undue effort.
Fig. 1 is a schematic overall view of a steel bar truss superposed floor carrier plate structure provided in an embodiment of the utility model;
fig. 2 is an exploded view of a superposed building carrier plate structure of a steel bar truss according to an embodiment of the present utility model;
fig. 3 is a schematic view of a single truss unit in a steel bar truss composite floor carrier structure provided in an embodiment of the present utility model;
fig. 4 is a schematic diagram of truss units in a steel bar truss composite floor carrier structure according to an embodiment of the present utility model.
In the figure, 1, prefabricating a bottom plate; 2. truss units; 3. winding a steel bar; 4. a first lower chord reinforcement; 5. a second lower chord reinforcement; 6. the first truss web; 7. the second truss web; 8. parallel sections on the web bars of the first truss; 9. the lower parallel section of the web rib of the first truss; 10. parallel sections on the web bars of the second truss; 11. the lower parallel section of the web rib of the second truss; 12. a first lower chord curved section; 13. a first lower chord lead-out section; 14. a second lower chord curved section; 15. a second lower chord lead-out section; 16. transverse reinforcing short ribs; 17. longitudinal reinforcing short ribs; 18. and (5) transversely reinforcing the long ribs.
Detailed Description
Other advantages and advantages of the present utility model will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, embodiment 1 of the present utility model provides a steel bar truss composite floor support plate structure, which comprises a prefabricated bottom plate 1, and further comprises a plurality of truss units 2, wherein bottoms of the truss units 2 are embedded into the prefabricated bottom plate 1; each truss unit 2 comprises an upper chord steel bar 3, a first lower chord steel bar 4, a second lower chord steel bar 5, a first truss web 6 and a second truss web 7;
the first truss web member 6 is distributed between the upper chord steel bar 3 and the first lower chord steel bar 4, the first truss web member 6 is formed with a plurality of first truss web member upper parallel sections 8 contacted with the upper chord steel bar 3, and the first truss web member 6 is formed with a plurality of first truss web member lower parallel sections 9 contacted with the first lower chord steel bar 4;
the second truss web 7 is distributed between the upper chord steel bar 3 and the second lower chord steel bar 5, the second truss web 7 is formed with a plurality of second truss web upper parallel sections 10 contacted with the upper chord steel bar 3, and the second truss web 7 is formed with a plurality of second truss web lower parallel sections 11 contacted with the second lower chord steel bar 5.
In this embodiment, the bottoms of the truss units 2 are mutually parallel and spaced to be pre-buried in the prefabricated base plate 1; at least two transverse reinforcing long ribs 18 penetrate through the truss units 2, and the two transverse reinforcing long ribs 18 are parallel to each other; the transverse reinforcing long rib 18 passes through the upper ends of the first truss web lower parallel section 9, the first lower chord steel bar 4, the second truss web lower parallel section 11 and the second lower chord steel bar 5.
Specifically, the number of truss units 2 can be flexibly designed according to the size of the prefabricated bottom plate 1, so as to meet the strength requirement of the whole steel bar truss superposed floor carrier plate structure. The truss units 2 are designed in parallel and matched with the transverse reinforcing long ribs 18 which penetrate through, and the transverse reinforcing long ribs 18 can connect the truss units 2 together to play a role in force transmission reinforcement. The bottom of the first lower chord steel bar 4, the bottom of the second lower chord steel bar 5, the bottom of the first truss web bar 6 and the bottom of the second truss web bar 7 are cast with concrete to form a prefabricated bottom plate 1, and the prefabricated bottom plate 1 can be combined with the whole truss unit 2 to perform concrete cast-in-place on a construction site.
In the embodiment, the main body of the first lower chord steel bar 4 is pre-embedded into the prefabricated bottom plate 1, and a first lower chord bending section 12 and a first lower chord leading-out section 13 are formed at two ends of the first lower chord steel bar 4, and the first lower chord leading-out section 13 is exposed out of the prefabricated bottom plate 1; the main body of the second lower chord steel bar 5 is embedded in the prefabricated bottom plate 1 in advance, a second lower chord bending section 14 and a second lower chord leading-out section 15 are formed at two ends of the second lower chord steel bar 5, and the second lower chord leading-out section 15 is exposed out of the prefabricated bottom plate 1.
Specifically, the main body of the first lower chord steel bar 4 extends to the prefabricated bottom plate 1 through the first lower chord bending section 12 and the first lower chord leading-out section 13 which are integrated, the main body of the second lower chord steel bar 5 extends to the prefabricated bottom plate 1 through the second lower chord bending section 14 and the second lower chord leading-out section 15 which are integrated, and the first lower chord leading-out section 13 and the second lower chord leading-out section 15 can be lapped with lower chord steel bars of adjacent building carrier plates, so that the reliability of force transmission of the steel bars at two sides is ensured.
In the embodiment, a transverse reinforcing short rib 16 is lapped between the first lower chord lead-out section 13 and the second lower chord bending section 14, and a longitudinal reinforcing short rib 17 is connected between the transverse reinforcing short rib 16 and the upper chord steel bar 3; the central height difference between the first lower chord lead-out section 13 and the main body of the first lower chord reinforcing steel bar 4 is h, and the length of the first lower chord bending section 12 is at least 6h; the center height difference between the second lower chord lead-out section 15 and the main body of the second lower chord reinforcement bar 5 is h, and the length of the second lower chord bending section 14 is at least 6h; the diameter of the first lower chord steel bar 4 is d, and the length of the first lower chord lead-out section 13 is at least 35d; the diameter of the second lower chord reinforcement bar 5 is d and the length of the second lower chord lead-out section 15 is at least 35d.
Specifically, d is the nominal diameter of the first lower chord steel bar 4 or the second lower chord steel bar 5, the first lower chord lead-out section 13 and the second lower chord lead-out section 15 at two ends of the steel bar are lapped with the lower chord steel bars of the adjacent floor slabs, the lap joint length is required to ensure the force transmission reliability of the steel bars at two sides, and the lap joint length of the corresponding lead-out sections of the first lower chord lead-out section 13, the second lower chord lead-out section 15 and the adjacent floor carrier plate is not less than 35d according to the standard requirement.
Taking the nominal diameter of the first lower chord steel bar 4 or the second lower chord steel bar 5 as an example, the lap joint length of the first lower chord lead-out section 13, the second lower chord lead-out section 15 and the corresponding lead-out section of the adjacent floor support plate is not less than 280mm.
If single-sided welding is adopted, the lap joint length of the first lower chord lead-out section 13, the second lower chord lead-out section 15 and the corresponding lead-out section of the adjacent floor carrier plate is not smaller than 10d.
The first lower chord steel bar 4 and the second lower chord steel bar 5 adopt a lower bending mode, namely, due to bending design, a height difference h exists in the center between the first lower chord lead-out section 13 and the main body of the first lower chord steel bar 4, a height difference h exists in the center between the second lower chord lead-out section 15 and the main body of the second lower chord steel bar 5, the lower chord steel bar is bent along the direction of the first truss web bar 6 and the second truss web bar 7, in order to ensure that the local bending does not damage the steel bars, the continuous smoothness of force transmission of the steel bars is maintained, the right angle lower bending is not required to be required in the specification, a certain extension length is required, and when the height difference is h, the inclined length of the lower chord bending section is required, namely, the length of the first lower chord bending section 12 and the second lower chord bending section 14 is not less than 6h.
Taking the height difference h of 15mm as an example, the lengths of the first lower chord curved section 12 and the second lower chord curved section 14 are not less than 90mm.
In the embodiment, the upper parallel sections 8 of the first truss web and the upper parallel sections 10 of the second truss web are symmetrically distributed on two sides of the upper chord steel bar 3; the first truss web lower parallel section 9 and the second truss web upper parallel section 10 are in a symmetrical state.
Specifically, the upper parallel section 8 of the first truss web member and the upper parallel section 10 of the second truss web member are symmetrically distributed relative to the upper chord steel bar 3, the contact between the upper parallel section 8 of the first truss web member and the upper chord steel bar 3 is surface contact, the contact between the upper parallel section 10 of the second truss web member and the upper chord steel bar 3 is surface contact, and after welding or binding, the bearing capacity of a floor slab structure formed by casting concrete is stronger.
In summary, the utility model comprises a prefabricated bottom plate 1, a plurality of truss units 2, and the bottoms of the truss units 2 are embedded into the prefabricated bottom plate 1; each truss unit 2 comprises an upper chord steel bar 3, a first lower chord steel bar 4, a second lower chord steel bar 5, a first truss web 6 and a second truss web 7; a first truss web member 6 is distributed between the upper chord steel bar 3 and the first lower chord steel bar 4, the first truss web member 6 is formed with a plurality of first truss web member upper parallel sections 8 contacted with the upper chord steel bar 3, and the first truss web member 6 is formed with a plurality of first truss web member lower parallel sections 9 contacted with the first lower chord steel bar 4; a second truss web 7 is distributed between the upper chord steel bar 3 and the second lower chord steel bar 5, the second truss web 7 is formed with a plurality of second truss web upper parallel sections 10 contacted with the upper chord steel bar 3, and the second truss web 7 is formed with a plurality of second truss web lower parallel sections 11 contacted with the second lower chord steel bar 5. The number of truss units 2 can be flexibly designed according to the size of the prefabricated bottom plate 1 so as to meet the strength requirement of the whole steel bar truss superposed floor bearing plate structure. The truss units 2 are designed in parallel and matched with the penetrated transverse reinforcing long ribs 18, the bottoms of the first lower chord steel bars 4, the second lower chord steel bars 5, the first truss web bars 6 and the second truss web bars 7 are cast with concrete to form the prefabricated base plate 1, and the prefabricated base plate 1 can be combined with the whole truss units 2 to perform concrete cast-in-place on a construction site. The main body of the first lower chord steel bar 4 extends to the prefabricated bottom plate 1 through the first lower chord bending section 12 and the first lower chord leading-out section 13 which are integrated, the main body of the second lower chord steel bar 5 extends to the prefabricated bottom plate 1 through the second lower chord bending section 14 and the second lower chord leading-out section 15 which are integrated, and the first lower chord leading-out section 13 and the second lower chord leading-out section 15 can be lapped with lower chord steel bars of adjacent building carrier plates, so that the reliability of force transmission of steel bars at two sides is ensured. d is the nominal diameter of the first lower chord steel bar 4 or the second lower chord steel bar 5, the first lower chord lead-out section 13 and the second lower chord lead-out section 15 at the two ends of the steel bars are lapped with the lower chord steel bars of the adjacent floor slabs, the additional lapped steel bars are generally adopted for connection, the lap joint length needs to ensure the force transmission reliability of the steel bars at the two sides, and the lap joint length of the corresponding lead-out sections of the first lower chord lead-out section 13, the second lower chord lead-out section 15 and the adjacent floor slabs is not less than 35d according to the specification requirement. Because the first lower chord steel bar 4 and the second lower chord steel bar 5 adopt a lower bending mode, namely, because of bending design, a height difference h exists in the center between the first lower chord lead-out section 13 and the main body of the first lower chord steel bar 4, a height difference h exists in the center between the second lower chord lead-out section 15 and the main body of the second lower chord steel bar 5, and the lower chord steel bar is bent along the directions of the first truss web 6 and the second truss web 7, in order to ensure that the local bending does not damage the steel bar, the continuous smoothness of force transmission of the steel bar is maintained, the right angle lower bending is not required to be required by specifications, a certain extension length is required, and when the height difference is h, the inclined length of the lower chord lead-out section 12 and the second lower chord bending section 14 is required to be not less than 6h. The utility model can effectively disperse stress, has high strength, strong shearing resistance of the overlapped interface and good force transmission effect.
Example 2
In embodiment 2 of the present utility model, a commercial building is further provided, and the steel bar truss superimposed floor carrier plate structure of embodiment 1 is adopted. The commodity building adopts the reinforcing bar truss coincide building carrier plate structure of this embodiment like commodity room, wholly can effectually carry out the atress dispersion, and intensity is high, and the shearing capacity of coincide interface is strong, and it is effectual to pass power.
While the utility model has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the utility model and are intended to be within the scope of the utility model as claimed.
Claims (10)
1. The steel bar truss superposed floor support plate structure comprises a prefabricated bottom plate (1) and a plurality of truss units (2), and is characterized in that the bottom of each truss unit (2) is pre-buried in the prefabricated bottom plate (1); each truss unit (2) comprises an upper chord steel bar (3), a first lower chord steel bar (4), a second lower chord steel bar (5), a first truss web (6) and a second truss web (7);
the first truss web bars (6) are distributed between the upper chord steel bars (3) and the first lower chord steel bars (4), the first truss web bars (6) are formed with a plurality of first truss web bar upper parallel sections (8) which are contacted with the upper chord steel bars (3), and the first truss web bars (6) are formed with a plurality of first truss web bar lower parallel sections (9) which are contacted with the first lower chord steel bars (4);
the second truss web bars (7) are distributed between the upper chord steel bars (3) and the second lower chord steel bars (5), a plurality of second truss web bar upper parallel sections (10) which are in contact with the upper chord steel bars (3) are formed on the second truss web bars (7), and a plurality of second truss web bar lower parallel sections (11) which are in contact with the second lower chord steel bars (5) are formed on the second truss web bars (7).
2. The steel bar truss superposed floor support plate structure according to claim 1, wherein the main body of the first lower chord steel bar (4) is pre-embedded into the prefabricated bottom plate (1), a first lower chord bending section (12) and a first lower chord leading-out section (13) are formed at two ends of the first lower chord steel bar (4), and the first lower chord leading-out section (13) is exposed out of the prefabricated bottom plate (1);
the main body of the second lower chord reinforcement (5) is pre-buried in the prefabricated bottom plate (1), a second lower chord bending section (14) and a second lower chord leading-out section (15) are formed at two ends of the second lower chord reinforcement (5), and the second lower chord leading-out section (15) is exposed out of the prefabricated bottom plate (1).
3. The steel bar truss superposed floor support plate structure according to claim 2, wherein a transverse reinforcing short rib (16) is lapped between the first lower chord lead-out section (13) and the second lower chord bending section (14), and a longitudinal reinforcing short rib (17) is connected between the transverse reinforcing short rib (16) and the upper chord steel bar (3).
4. A steel bar truss superimposed floor carrier structure according to claim 3, characterized in that the difference in central height between the first lower chord lead-out section (13) and the main body of the first lower chord steel bar (4) is h, the length of the first lower chord curved section (12) is at least 6h;
the center height difference between the second lower chord lead-out section (15) and the main body of the second lower chord reinforcement bar (5) is h, and the length of the second lower chord bending section (14) is at least 6h.
5. A steel bar truss composite floor support plate structure according to claim 3, characterized in that the diameter of the first lower chord steel bar (4) is d, and the length of the first lower chord lead-out section (13) is at least 35d;
the diameter of the second lower chord steel bar (5) is d, and the length of the second lower chord lead-out section (15) is at least 35d.
6. The steel bar truss superposed floor support plate structure according to claim 1, wherein the upper parallel sections (8) of the first truss web and the upper parallel sections (10) of the second truss web are symmetrically distributed on two sides of the upper chord steel bar (3);
the lower parallel section (9) of the first truss web and the upper parallel section (10) of the second truss web are in a symmetrical state.
7. A steel bar truss composite floor support plate structure according to claim 1, characterized in that the bottoms of several truss units (2) are pre-embedded in the pre-fabricated base plate (1) at mutually parallel intervals.
8. The steel bar truss composite floor support plate structure according to claim 7, wherein at least two transverse reinforcing long ribs (18) penetrate through the truss units (2), and the two transverse reinforcing long ribs (18) are parallel to each other.
9. The steel bar truss composite floor support plate structure according to claim 8, wherein the transverse reinforcing rib (18) penetrates through the upper ends of the first truss web lower parallel section (9), the first lower chord steel bar (4), the second truss web lower parallel section (11) and the second lower chord steel bar (5).
10. A commercial building characterized in that a steel bar truss composite floor carrier structure according to any one of claims 1 to 9 is employed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322463831.XU CN220768566U (en) | 2023-09-11 | 2023-09-11 | Steel bar truss superposed floor support plate structure and commodity building with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322463831.XU CN220768566U (en) | 2023-09-11 | 2023-09-11 | Steel bar truss superposed floor support plate structure and commodity building with same |
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| Publication Number | Publication Date |
|---|---|
| CN220768566U true CN220768566U (en) | 2024-04-12 |
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| CN202322463831.XU Active CN220768566U (en) | 2023-09-11 | 2023-09-11 | Steel bar truss superposed floor support plate structure and commodity building with same |
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| Country | Link |
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| CN (1) | CN220768566U (en) |
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- 2023-09-11 CN CN202322463831.XU patent/CN220768566U/en active Active
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