CN218437698U - Reinforced close-spliced reinforced truss concrete floor and system thereof - Google Patents
Reinforced close-spliced reinforced truss concrete floor and system thereof Download PDFInfo
- Publication number
- CN218437698U CN218437698U CN202221050693.1U CN202221050693U CN218437698U CN 218437698 U CN218437698 U CN 218437698U CN 202221050693 U CN202221050693 U CN 202221050693U CN 218437698 U CN218437698 U CN 218437698U
- Authority
- CN
- China
- Prior art keywords
- truss
- steel bar
- bars
- reinforced
- steel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Reinforcement Elements For Buildings (AREA)
Abstract
A kind of strenghthened type close-spliced steel bar truss concrete floor and its system, including truss steel bar, slab bottom steel bar net slice and precast concrete plate; strip-shaped gaps are formed in the positions of the front end and the rear end on the top surface of the precast concrete plate body; the slab bottom steel bar net piece is embedded in the precast concrete slab body and is close to the bottom surface, and comprises slab bottom transverse bars and slab bottom longitudinal bars; the front end and the rear end of the longitudinal bar at the bottom of the slab are exposed out of the precast concrete slab body at the positions corresponding to the strip-shaped gaps; the truss steel bars are arranged at intervals along the longitudinal direction; the truss steel bars comprise truss upper steel rod pieces, truss web bars and truss lower steel bars; the upper ends of the truss web ribs are higher than the top surface of the precast concrete plate body; the steel rod piece at the upper part of the truss is connected to the tops of the truss web ribs; and the lower steel bars of the truss are connected to the lower parts of the truss web bars. The utility model provides a make the bending resistance of board piece department decline more when traditional close piece together floor construction, easily split, easily destroy in the overlap area, have the technical problem of the risk of falling.
Description
Technical Field
The utility model belongs to the technical field of building engineering, in particular to close reinforced truss concrete floor and system of piecing together of strenghthened type.
Background
Building industrialization is the key point of national construction and development, assembly type buildings are greatly popularized, assembly type construction of building enterprises is encouraged, and field assembly is encouraged. A national level assembly type building production base is built, the policy support strength is increased, and about 10 years of time is strived for, so that the proportion of the assembly type building in a newly built building reaches 30%.
The existing close-spliced precast truss reinforced concrete composite floor slab is an important technology of precast floor slabs, but the lower reinforcing steel bars of the floor slab adopt an additional reinforcing steel bar connection mode when the joints of the precast concrete slabs are connected with adjacent slabs. Although the technology is convenient to construct, the effective height of the joint of the plates is greatly reduced, so that the bending resistance of the plate end is reduced more, the plate end is easy to crack, and even the risk of damage and falling in a lap joint area is possible.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a strenghthened type is close to piece together steel bar truss concrete floor and system thereof has reduced the effective height of board seam crossing when solving traditional close floor construction of piecing together for the bending resistance of board end descends more, and easy fracture is possible at the technical problem of overlap joint district destruction, the risk of falling even.
In order to achieve the above purpose, the utility model adopts the following technical scheme.
A kind of strenghthened type close-spliced steel bar truss concrete floor, including truss steel bar, slab bottom steel bar net slice and precast concrete plate; strip-shaped gaps are formed in the positions of the front end and the rear end of the top surface of the precast concrete plate body; the slab bottom reinforcing steel bar net piece is embedded in the precast concrete slab body at a position close to the bottom surface and comprises slab bottom transverse ribs and slab bottom longitudinal ribs; the transverse ribs at the bottom of the plate are provided with a group and are arranged at intervals along the longitudinal direction; the longitudinal ribs at the bottom of the plate are in a group and are arranged at intervals along the transverse direction; the middle part is arranged at the bottom of the group of slab bottom transverse ribs, the end part is arranged at the upper part of the slab bottom transverse ribs, and the front end and the rear end of the slab bottom longitudinal ribs are exposed out of the precast concrete slab body at the positions corresponding to the strip-shaped gaps; the truss steel bars are provided with a group and are arranged at intervals along the longitudinal direction; the truss steel bars comprise truss upper steel rod pieces, truss web bars and truss lower steel bars; the truss web ribs are arranged in a group and arranged along the transverse direction, and the upper ends of the truss web ribs are higher than the top surface of the precast concrete plate body; the steel rod piece at the upper part of the truss is connected to the tops of the truss web ribs; and the lower part steel bars of the truss are connected to the lower parts of the truss web bars.
Preferably, the truss web ribs comprise a left diagonal rib and a right diagonal rib; the left inclined rib and the right inclined rib are in inverted V shapes; the upper end of the left inclined rib and the upper end of the right inclined rib are intersected at one point and are connected with a steel rod piece on the upper part of the truss; and the two bottom ends of the left diagonal rib and the two bottom ends of the right diagonal rib are respectively connected with the steel bars at the lower part of the truss.
Preferably, intensive close steel bar truss concrete floor of piecing together of strenghthened type, its characterized in that: the connection mode of the middle part and the end part of the longitudinal bar at the bottom of the plate is continuous inclined bar, lap joint or welding.
Preferably, the thickness of the precast concrete plate body is 20 mm-600 mm; the height of the strip-shaped gap is 10-500 mm; the distance between the adjacent truss reinforcing steel bars is 10-3000 mm.
Preferably, the plate bottom longitudinal bars comprise fully exposed steel bars and partially exposed steel bars; the fully exposed steel bars and the partially exposed steel bars are respectively provided with one group, and the group of fully exposed steel bars and the group of partially exposed steel bars are arranged in a staggered mode.
Preferably, both ends of the fully exposed steel bar and/or the partially exposed steel bar are respectively bent upwards.
Preferably, stiffening ribs are arranged at the strip-shaped notch at intervals along the transverse direction; the inner end of each stiffening rib is embedded in the precast concrete plate body, the outer end of each stiffening rib is flush with the outer side edge of the corresponding strip-shaped notch, and the outer end of each stiffening rib does not exceed the outer side edge of the corresponding strip-shaped notch; the stiffening ribs and the precast concrete plate body are integrally formed.
Preferably, the plate bottom longitudinal reinforcements, which are arranged in the group of plate bottom longitudinal reinforcements and correspond to the stiffening ribs, are prestressed reinforcements; and the plate bottom longitudinal bars outside the stiffening ribs in the group of plate bottom longitudinal bars are non-prestressed steel bars.
The system of the reinforced close-spliced reinforced truss concrete floor comprises the reinforced close-spliced reinforced truss concrete floor, lap joint ribs and a cast-in-place concrete layer; at least two reinforced close-spliced reinforced truss concrete floors are spliced and connected longitudinally; the lap joint ribs are transversely arranged at the adjacent strip-shaped gaps of the two reinforced close-spliced reinforced truss concrete floors at intervals, and two ends of the lap joint ribs are respectively fixedly connected with the slab bottom reinforced net pieces in the two reinforced close-spliced reinforced truss concrete floors; a plate top steel bar net piece is arranged at the top of the truss steel bar of the reinforced close-spliced steel bar truss concrete floor; the cast-in-place concrete layer is poured on the upper portion of the reinforced close-spliced reinforced truss concrete floor, and the top surface of the cast-in-place concrete layer is higher than the tops of the truss reinforcing steel bars.
Preferably, the length of the lap joint rib is not less than 0.5 time of the width of the strip-shaped notch, and two ends of the lap joint rib are respectively bent upwards to form a hook.
Compared with the prior art, the utility model has the following characteristics and beneficial effect.
1. The reinforced close-spliced reinforced truss concrete floor slab of the utility model consists of truss reinforcements, a slab bottom reinforced net piece and precast concrete; the slab bottom steel bar mesh, the truss steel bars and the precast concrete slab body are poured together, slab bottom longitudinal bars are exposed out of the surface of the precast concrete in the lap joint area, and the slab bottom longitudinal bars do not extend out of the boundary of the precast concrete slab body; the utility model discloses a this kind of structural design passes the power comparatively in succession, makes bending resistance bearing capacity and bending rigidity all have the promotion.
2. The utility model discloses a muscle fixed connection is indulged at the bottom of the board in overlap joint muscle and the precast concrete plate body in the system of intensive piece together reinforced truss concrete floor has following advantage: (1) The bending resistance bearing capacity of the connecting part is effectively improved by more than 15%; (2) Effectively improving the bending rigidity in the whole surface of the floor slab, so that the whole structure is deformed integrally and the structure is prevented from being broken by each component; (3) the concrete slab can be effectively prevented from falling in a huge earthquake; and (4) construction is facilitated, and the construction speed is effectively improved.
3. The utility model discloses bar breach department, along transverse separation be provided with stiffening rib, increased the rigidity of precast concrete plate body, increased the faying face and the combination bearing capacity of precast concrete plate body and precast concrete plate body, reduce the transportation and destroy.
4. The utility model discloses put forward the prestressed reinforcement in the stiffening rib department of the precast concrete plate body who takes the stiffening rib, increased precast concrete floor's rigidity, promoted precast concrete and cast in situ concrete's faying face and combination bearing capacity, reduce the transportation and destroy.
5. The utility model discloses a strenghthened type is close to piece together steel bar truss concrete floor has special effect to promoting precast concrete component reinforcing bar lapped mechanical properties, is favorable to improving construction speed and construction quality moreover. The bearing capacity requirement of the floor can be met, the construction is convenient, and the whole construction speed and the construction quality are improved.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic plan view of the precast concrete panel of the present invention.
Fig. 2 is the utility model discloses well truss reinforcing bar arranges the longitudinal section structure sketch map on the precast concrete plate body.
Fig. 3 is the utility model discloses well truss reinforcing bar arranges the transverse section structure sketch map on the precast concrete plate body.
Fig. 4 is the utility model discloses the connection structure sketch map of the truss reinforcing bar of well bar breach department and board end reinforcing bar net piece.
Fig. 5 is a schematic view of the plane structure of the precast concrete slab of the present invention with stiffening ribs.
FIG. 6 is a schematic view of the longitudinal section of the precast concrete slab of the present invention with stiffening ribs.
Fig. 7 is the utility model discloses well intensive close connection structure plane sketch map of piecing together steel bar truss concrete floor.
Figure 8 is the utility model discloses the vertical section schematic diagram of well intensive close piece together steel bar truss concrete floor's system.
Reference numerals: 1-truss reinforcing steel bar, 1.1-truss upper steel bar member, 1.2-truss web reinforcing steel bar, 1.2.1-left inclined reinforcing steel bar, 1.2.2-right inclined reinforcing steel bar, 1.3-truss lower reinforcing steel bar, 2-plate bottom reinforcing steel bar net piece, 2.1-plate bottom transverse reinforcing steel bar, 2.2-plate bottom longitudinal reinforcing steel bar, 2.2.1-full exposed reinforcing steel bar, 2.2.2-partial exposed reinforcing steel bar, 3-precast concrete plate body, 4-strip notch, 5-cast-in-place concrete layer, 6-stiffening rib, 7-lap joint reinforcing steel bar and 8-plate top reinforcing steel bar net piece.
Detailed Description
As shown in fig. 1-6, the reinforced close-spliced reinforced truss concrete floor comprises truss reinforcements 1, a slab bottom reinforcement mesh 2 and a precast concrete slab body 3; strip-shaped notches 4 are formed in the top surface of the precast concrete plate body 3 and are positioned at the front end and the rear end; the slab bottom steel bar mesh 2 is embedded in the precast concrete slab body 3 and is close to the bottom surface, and comprises slab bottom transverse bars 2.1 and slab bottom longitudinal bars 2.2; the transverse ribs 2.1 at the bottom of the plate are provided with a group and are arranged at intervals along the longitudinal direction; the plate bottom longitudinal ribs 2.2 are arranged in a group at intervals along the transverse direction, the middle parts of the plate bottom longitudinal ribs are arranged at the bottoms of the group of plate bottom transverse ribs 2.1, the end parts of the plate bottom longitudinal ribs are arranged at the upper parts of the plate bottom transverse ribs, and the front ends and the rear ends of the plate bottom longitudinal ribs 2.2 are exposed out of the precast concrete plate body 3 at the positions corresponding to the strip-shaped notches 4; the truss steel bars 1 are provided with a group and are arranged at intervals along the longitudinal direction; the truss steel bars 1 comprise truss upper steel bar members 1.1 and truss web ribs 1.2 and truss lower steel bar members 1.3; the truss web reinforcements 1.2 are arranged in a group along the transverse direction, and the upper ends of the truss web reinforcements 1.2 are higher than the top surface of the precast concrete plate body 3; the steel rod piece 1.1 at the upper part of the truss is connected to the tops of a group of truss web reinforcements 1.2; and the truss lower reinforcing steel bars 1.3 are connected to the lower parts of the truss web reinforcing steel bars 1.2.
In this embodiment, the truss web rib 1.2 includes a left diagonal rib 1.2.1 and a right diagonal rib 1.2.2; the left inclined rib 1.2.1 and the right inclined rib 1.2.2 are in inverted V shapes; the upper end of the left diagonal rib 1.2.1 and the upper end of the right diagonal rib 1.2.2 are intersected at one point and are connected with a steel rod piece 1.1 on the upper part of the truss; and the two bottom ends of the left inclined rib 1.2.1 and the two bottom ends of the right inclined rib 1.2.1 are respectively connected with two truss lower reinforcing steel bars 1.3 which are arranged at intervals.
In this embodiment, intensive close-spliced steel bar truss concrete floor of strenghthened type, its characterized in that: the connection mode of the middle part and the end part of the plate bottom longitudinal rib (2.2) is continuous inclined rib, lap joint or welding.
In this embodiment, the thickness of the precast concrete slab 3 is 20mm to 600mm; the height of the strip-shaped gap 4 is 10-500 mm; in this embodiment, the distance between the adjacent truss steel bars 1 is 10mm to 3000mm.
In this embodiment, the plate bottom longitudinal bars 2.2 include fully exposed steel bars 2.2.1 and partially exposed steel bars 2.2.2; the fully exposed steel bars 2.2.1 and the partially exposed steel bars 2.2.2 are respectively provided with one group, and the group of fully exposed steel bars 2.2.1 and the group of partially exposed steel bars 2.2.2 are arranged in a staggered manner; and two ends of the fully exposed steel bar 2.2.1 and/or the partially exposed steel bar 2.2.2 are/is respectively bent upwards.
In this embodiment, stiffening ribs 6 are arranged at the strip-shaped gaps 4 at intervals along the transverse direction; the inner end of the stiffening rib 6 is embedded in the precast concrete plate body 3, the outer end of the stiffening rib 6 is flush with the outer side edge of the strip-shaped notch 4, and the outer end of the stiffening rib 6 does not exceed the outer side edge of the strip-shaped notch 4; the stiffening ribs 6 and the precast concrete plate body 3 are integrally formed.
In the embodiment, the plate bottom longitudinal ribs 2.2 which are arranged corresponding to the stiffening ribs 6 in the group of plate bottom longitudinal ribs 2.2 are prestressed steel ribs; the plate bottom longitudinal ribs 2.2 outside the stiffening ribs 6 in the group of plate bottom longitudinal ribs 2.2 are non-prestressed steel ribs.
As shown in fig. 7-8, the reinforced close-spliced steel bar truss concrete floor system comprises a reinforced close-spliced steel bar truss concrete floor, lap joint bars 7 and a cast-in-place concrete layer 5; at least two reinforced close-spliced reinforced truss concrete floors are spliced and connected longitudinally; the lap joint ribs 7 are transversely arranged at the adjacent strip-shaped gaps 4 of the two reinforced close-spliced steel bar truss concrete floors at intervals, and two ends of the lap joint ribs 7 are respectively and fixedly connected with the slab bottom steel bar net pieces 2 in the two reinforced close-spliced steel bar truss concrete floors; a plate top steel bar net piece 8 is arranged at the top of the truss steel bar 1 of the reinforced close-spliced steel bar truss concrete floor; the cast-in-place concrete layer 5 is poured on the upper portion of the reinforced close-spliced reinforced truss concrete floor, and the top surface of the cast-in-place concrete layer 5 is higher than the tops of the truss reinforcing steel bars 1.
In this embodiment, the length of overlap joint muscle 7 is 0.5 times of 4 width of bar breach, and the both ends of overlap joint muscle 7 are upwards bent respectively, are formed the crotch.
In this embodiment, the concrete in the precast concrete plate 3 is common concrete, or foamed concrete, or aerated concrete, or lightweight concrete.
In this embodiment, the concrete in the cast-in-place concrete layer 5 is common concrete or foamed concrete or aerated concrete or lightweight concrete. In this embodiment, the precast concrete plate 3 is provided with a hole.
In this embodiment, the vertical section of the stiffening rib 6 is a trapezoidal section, and the arrangement of the stiffening rib 6 improves the construction quality of the joint surface between the cast-in-place concrete and the stiffening rib 6, and reduces the damage to the stiffening rib 6 in the transportation process.
In this embodiment, a transverse shear steel bar is arranged in the stiffening rib 6, and two ends of the transverse shear steel bar respectively exceed two side surfaces of the stiffening rib 6; the arrangement of the transverse shear-resistant steel bars improves the combination performance of the cast-in-place concrete layer 5 and the stiffening ribs 6, and is particularly important when the requirement on the shear-resistant bearing capacity of the concrete floor is high.
In this embodiment, the horizontal muscle 2.1 at the bottom of the board that is located bar breach 4 department and overlap joint muscle 7 are non-smooth circular steel muscle, and the reinforcing bar surface is provided with the rib.
In this embodiment, the length of the slab bottom longitudinal rib 2.2 part located at the strip-shaped notch 4 is not less than 0.3la (la is the anchoring length of the slab bottom longitudinal rib 2.2), the length of the lap joint rib 7 is not less than 0.6la, and the setting of the slab bottom reinforcing mesh 2 promotes the mechanical property of lap joint force transmission.
In the embodiment, the plate bottom reinforcing mesh 2 positioned at the strip-shaped notch 4 is bent at the end part of the precast concrete plate body 3, and the lap joint rib 7 also adopts an end part bending mode; the combined lapping effect of the fully exposed steel bar 2.2.1, the partially exposed steel bar 2.2.2 and the lapping bar 7 in the structural form is better in force transfer performance, and the size of the concrete plate of the partially exposed steel bar 2.2.2 is shortened; the totally exposed steel bars 2.2.1 and the partially exposed steel bars 2.2.2 at the bottom of the plate are arranged at intervals, so that the lap joint force transmission effect is further improved.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be considered by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention.
Claims (10)
1. The utility model provides a close reinforced truss concrete floor that splices of strenghthened type which characterized in that: comprises truss steel bars (1), a plate bottom steel bar net piece (2) and a precast concrete plate body (3); strip-shaped notches (4) are formed in the top surface of the precast concrete plate body (3) and are positioned at the front end and the rear end; the slab bottom steel bar net piece (2) is embedded in the precast concrete slab body (3) at a position close to the bottom surface and comprises slab bottom transverse bars (2.1) and slab bottom longitudinal bars (2.2); the transverse ribs (2.1) at the bottom of the plate are provided with a group and are arranged at intervals along the longitudinal direction; the plate bottom longitudinal ribs (2.2) are arranged in a group at intervals along the transverse direction, the middle parts of the plate bottom longitudinal ribs are arranged at the bottoms of the group of plate bottom transverse ribs (2.1), the end parts of the plate bottom longitudinal ribs are arranged at the upper parts of the plate bottom transverse ribs (2.1), and the front ends and the rear ends of the plate bottom longitudinal ribs (2.2) are exposed out of the precast concrete plate body (3) at the positions corresponding to the strip-shaped notches (4); the truss steel bars (1) are provided with one group and are arranged at intervals along the longitudinal direction; the truss steel bar (1) comprises a truss upper steel rod piece (1.1); the truss structure comprises truss web reinforcements (1.2) and truss lower steel bars (1.3), wherein the truss web reinforcements (1.2) are arranged in a group and arranged along the transverse direction, and the upper ends of the truss web reinforcements (1.2) are higher than the top surface of a precast concrete plate body (3); the steel rod piece (1.1) at the upper part of the truss is connected to the top of a group of truss web ribs (1.2); the truss lower reinforcing steel bars (1.3) are connected to the lower parts of the truss web reinforcing steel bars (1.2).
2. The reinforced close-spliced steel bar truss concrete floor slab of claim 1, wherein: the steel rod piece (1.1) at the upper part of the truss is a steel bar or a profile steel; the truss web ribs (1.2) comprise left inclined ribs (1.2.1) and right inclined ribs (1.2.2); the left diagonal rib (1.2.1) and the right diagonal rib (1.2.2) are in inverted V shapes; the upper end of the left diagonal rib (1.2.1) and the upper end of the right diagonal rib (1.2.2) are intersected at one point and are connected with a steel rod piece (1.1) at the upper part of the truss; and the two bottom ends of the left diagonal rib (1.2.1) and the two bottom ends of the right diagonal rib (1.2.2) are respectively connected with the lower steel bar (1.3) of the truss.
3. The reinforced close-spliced steel bar truss concrete floor slab of claim 1, wherein: the connection mode of the middle part and the end part of the plate bottom longitudinal bar (2.2) is continuous inclined bar, lap joint or welding.
4. The reinforced close-spliced steel bar truss concrete floor slab of claim 1, wherein: the thickness of the precast concrete plate body (3) is 20-600 mm; the height of the strip-shaped gap (4) is 10-500 mm; the distance between the adjacent truss steel bars (1) is 10-3000 mm.
5. The reinforced close-spliced steel bar truss concrete floor slab of claim 1, wherein: the plate bottom longitudinal bars (2.2) comprise fully exposed reinforcing steel bars (2.2.1) and partially exposed reinforcing steel bars (2.2.2); the fully exposed steel bars (2.2.1) and the partially exposed steel bars (2.2.2) are respectively provided with one group, and the group of fully exposed steel bars (2.2.1) and the group of partially exposed steel bars (2.2.2) are arranged in a staggered mode.
6. The reinforced close-spliced steel bar truss concrete floor slab of claim 5, wherein: and two ends of the fully exposed steel bar (2.2.1) and/or the partially exposed steel bar (2.2.2) are/is bent upwards respectively.
7. The reinforced close-spliced reinforced truss concrete floor slab of claim 1, wherein: stiffening ribs (6) are arranged at the strip-shaped gaps (4) at intervals along the transverse direction; the outer end of the stiffening rib (6) does not exceed the outer side edge of the strip-shaped notch (4); the stiffening ribs (6) and the precast concrete plate body (3) are integrally formed.
8. The reinforced close-spliced steel bar truss concrete floor slab of claim 7, wherein: the plate bottom longitudinal bars (2.2) which are arranged in the group of plate bottom longitudinal bars (2.2) and correspond to the stiffening ribs (6) are prestressed steel bars; the plate bottom longitudinal bars (2.2) outside the stiffening ribs (6) in the group of plate bottom longitudinal bars (2.2) are non-prestressed steel bars.
9. A system of reinforced close-packed steel bar truss concrete floor as recited in any one of claims 1-8, wherein: comprises a reinforced close-spliced reinforced truss concrete floor, lap joint ribs (7) and a cast-in-place concrete layer (5); at least two reinforced close-spliced reinforced truss concrete floors are spliced and connected longitudinally; the lap joint ribs (7) are arranged at the adjacent strip-shaped gaps (4) of the two reinforced close-spliced steel bar truss concrete floors at intervals along the transverse direction, and two ends of the lap joint ribs (7) are respectively lapped or welded with the slab bottom steel bar net piece (2) in the two reinforced close-spliced steel bar truss concrete floors; a plate top steel bar net piece (8) is arranged at the top of the truss steel bar (1) of the reinforced close-spliced steel bar truss concrete floor; the cast-in-place concrete layer (5) is poured on the upper portion of the reinforced close-spliced reinforced truss concrete floor slab, and the top surface of the cast-in-place concrete layer (5) is higher than the tops of the truss reinforcing steel bars (1).
10. The system of reinforced close-packed steel bar truss concrete floor of claim 9, wherein: the length of the lap joint rib (7) is not less than 0.5 time of the width of the strip-shaped notch (4), and two ends of the lap joint rib (7) are respectively bent upwards to form hooks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221050693.1U CN218437698U (en) | 2022-05-05 | 2022-05-05 | Reinforced close-spliced reinforced truss concrete floor and system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221050693.1U CN218437698U (en) | 2022-05-05 | 2022-05-05 | Reinforced close-spliced reinforced truss concrete floor and system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218437698U true CN218437698U (en) | 2023-02-03 |
Family
ID=85079670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221050693.1U Active CN218437698U (en) | 2022-05-05 | 2022-05-05 | Reinforced close-spliced reinforced truss concrete floor and system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218437698U (en) |
-
2022
- 2022-05-05 CN CN202221050693.1U patent/CN218437698U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202925716U (en) | Integrally assembled type concrete filled steel tube frame shear wall | |
| CN211848855U (en) | Novel swift formula modularization decking seam structure | |
| CN110700089A (en) | Cast-in-place wet joint structure and bridge | |
| CN106012806B (en) | Cored slab hinge seam Shear connection construction and construction technology | |
| CN110005109A (en) | A kind of open flume type prestressed concrete overlapped slab | |
| CN211815592U (en) | Prefabricated assembled composite slab structure | |
| CN218622859U (en) | Variable-rigidity reinforced concrete close-spliced floor slab and system thereof | |
| CN103498531A (en) | Long-span pre-stressing I-shaped steel reinforced concrete superposed beam | |
| CN214006192U (en) | One-way dense rib superimposed floor | |
| CN103669193B (en) | A kind of laterally assembled Wavelike steel webplate combination T beam and construction method | |
| CN112854576A (en) | Novel concrete composite floor slab with exposed light steel at bottom | |
| CN107246094B (en) | Superposed reinforced concrete slab structure capable of bearing heavy load and manufacturing method | |
| CN110331648B (en) | Ultra-high-performance concrete-part section steel composite beam unit, ultra-high-performance concrete-section steel composite beam unit and composite beam | |
| CN218437698U (en) | Reinforced close-spliced reinforced truss concrete floor and system thereof | |
| CN217871285U (en) | Reinforced lap joint steel bar truss concrete floor and system thereof | |
| CN104032862B (en) | Assembled girder steel seam line L shape mixing coupled wall and construction method thereof | |
| CN217420637U (en) | Reinforced structure of large-span floor | |
| CN218714212U (en) | Quick connection steel bar truss concrete floor and system thereof | |
| CN216338993U (en) | Longitudinal joint for steel-UHPC (ultra high performance concrete) assembled pi-shaped combination beam | |
| CN215829741U (en) | Prefabricated dense rib plate with shelving cantilever head | |
| CN215482231U (en) | Assembled waffle bridge panel combination case roof beam structure | |
| CN212533705U (en) | Wet seam connection structure of precast concrete bridge deck | |
| CN204475146U (en) | A kind of hollow slab bridge structure strengthening lateral stiffness | |
| CN112853916A (en) | Assembled waffle bridge panel combined box girder structure and construction method thereof | |
| CN217379458U (en) | Prestressed concrete steel bar truss precast slab |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |