CN218116803U - Floor post-cast strip structure with steel bar truss - Google Patents
Floor post-cast strip structure with steel bar truss Download PDFInfo
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- CN218116803U CN218116803U CN202222223206.3U CN202222223206U CN218116803U CN 218116803 U CN218116803 U CN 218116803U CN 202222223206 U CN202222223206 U CN 202222223206U CN 218116803 U CN218116803 U CN 218116803U
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Abstract
A floor post-cast strip structure with a steel bar truss relates to the field of building structures. The floor post-cast strip structure with the steel bar trusses comprises first pre-cast concrete, post-cast concrete and second pre-cast concrete which are sequentially connected, steel bar trusses with two ends respectively extending into the first pre-cast concrete and the second pre-cast concrete are arranged in the post-cast concrete, each steel bar truss comprises a plurality of steel bar truss upper chord ribs, a plurality of steel bar truss lower chord ribs, a plurality of steel bar truss inclined web ribs and a truss bottom plate arranged at the bottom of the post-cast concrete, the top and the bottom of each steel bar truss inclined web rib are respectively connected with at least one steel bar truss upper chord rib and at least one steel bar truss lower chord rib, and the bottom of each steel bar truss inclined web rib is respectively connected with the truss bottom plate. The floor post-cast strip structure with the steel bar truss utilizes the truss bottom plate of the steel bar truss as a permanent template of the post-cast strip, so that the erection and the disassembly of a conventional post-cast strip template support system are omitted, the working procedures are reduced, the using amount of supporting materials is saved, and the construction cost is reduced.
Description
Technical Field
The application relates to the field of building structures, in particular to a floor post-cast strip structure with a steel bar truss.
Background
When a post-cast strip structure is constructed, a template and a support system within the range of the post-cast strip are required to be arranged independently and are temporarily tied with the support systems on the two sides to form an integral stress system, and the post-cast strip is cast and sealed after the cast concrete reaches the design requirements in the age and the structure settlement tends to be stable.
However, the formwork and the supporting system in the post-cast strip range need to be dismantled when the strength of post-cast concrete meets the design requirement, and meanwhile, the formwork supporting system in the post-cast strip is dismantled later, so that the construction working surface below the plate cannot enter the next procedure timely and comprehensively, the overall construction progress is adversely affected, and the supporting system in the post-cast strip range cannot be recycled timely and efficiently, so that the recycling material consumption of construction measures is increased, and the construction cost control is also adversely affected;
SUMMERY OF THE UTILITY MODEL
An object of this application provides a take steel bar truss's floor post-cast strip structure, its truss bottom plate that utilizes steel bar truss has removed the process of setting up and demolising of conventional post-cast strip template support system from as the permanent template of post-cast strip, has reduced the process and has saved the supporting material quantity again, has reduced construction cost.
The embodiment of the application is realized as follows:
the embodiment of the application provides a take floor post-cast strip structure of steel bar truss, it is including the first cast in advance concrete that connects gradually, cast in advance concrete and second cast in advance concrete, be equipped with the steel bar truss that both ends extended to respectively in first cast in advance concrete and the second cast in advance concrete in the cast in advance, steel bar truss includes many steel bar truss last chord muscle, the oblique web muscle of many steel bar truss and locate the truss bottom plate of cast in advance concrete bottom, the top and the bottom of the oblique web muscle of every steel bar truss are connected with at least one steel bar truss last chord muscle and at least one steel bar truss last chord muscle respectively, the bottom of the oblique web muscle of every steel bar truss is connected with the truss bottom plate respectively.
In some alternative embodiments, the ends of the first precast concrete and the second precast concrete connected with the later cast concrete are respectively provided with steel plates with meshes.
In some alternative embodiments, a plurality of reinforcing steel bars are provided in the post-cast concrete, both ends of the reinforcing steel bars extending into the first and second pre-cast concrete, respectively.
In some alternative embodiments, the ends of the reinforcing bars extending into the first and second precast concrete are bent to form bends.
In some optional embodiments, a plurality of vertical truss floor reinforcements are further arranged in the post-cast concrete, and each vertical truss floor reinforcement is connected with each steel bar truss diagonal web reinforcement.
In some optional embodiments, the steel bar truss further comprises a plurality of longitudinal floor slab steel bars sequentially passing through the first cast-in-place concrete, the later cast-in-place concrete and the second cast-in-place concrete, and the longitudinal floor slab steel bars are connected with the steel bar truss upper chord steel bar or the steel bar truss lower chord steel bar.
In some alternative embodiments, the length of the steel bar truss extending into the first and second precast concrete is above 250 mm.
The beneficial effect of this application is: the application provides a building slab post-cast strip structure with steel bar truss is including the first cast in advance concrete that connects gradually, cast in advance concrete and second cast in advance concrete, be equipped with the steel bar truss that both ends extended to respectively in first cast in advance concrete and the second cast in advance concrete in the cast in advance concrete, steel bar truss includes many steel bar truss last chord muscle, many steel bar truss oblique web muscle and locate the truss bottom plate of cast in advance concrete bottom, the top and the bottom of every steel bar truss oblique web muscle are connected with at least one steel bar truss last chord muscle and at least one steel bar truss last chord muscle respectively, the bottom of each steel bar truss oblique web muscle is connected with the truss bottom plate respectively. The application provides a building slab post-cast strip structure with steel bar truss utilizes steel bar truss's truss bottom plate as the permanent template of post-cast strip, has removed the process of setting up and demolising of conventional post-cast strip template support system from, has reduced the process and has saved the supporting material quantity again, has reduced construction cost, has good economic benefits.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a schematic longitudinal partial sectional structural view of a floor post-cast strip structure with a steel bar truss according to an embodiment of the present disclosure;
fig. 2 is a schematic cross-sectional view of a horizontal part of a floor post-cast strip structure with a steel bar truss according to an embodiment of the present invention.
In the figure: 100. first precast concrete; 110. post-pouring concrete; 120. second precast concrete; 130. a steel plate with meshes; 140. reinforcing steel bars; 150. a bending section; 160. vertical truss floor slab reinforcing steel bars; 170. longitudinal floor slab reinforcing steel bars; 200. a steel bar truss; 210. a steel bar truss upper chord rib; 220. a steel bar truss lower chord steel bar; 230. oblique web reinforcement of the steel bar truss; 240. truss bottom plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the application usually place when in use, and are used only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the devices or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another, and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "suspended" and the like do not imply that the components are absolutely horizontal or suspended, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present application, it should also be noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and can include, for example, fixed connections, detachable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in this application will be understood to be a specific case for those of ordinary skill in the art.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.
The characteristics and properties of the floor post-cast strip construction of the truss with steel bars of the present application will be described in further detail with reference to the following examples.
As shown in fig. 1 and fig. 2, an embodiment of the present application provides a floor post-cast strip structure with steel bar trusses, which includes a first pre-cast concrete 100, a post-cast concrete 110, and a second pre-cast concrete 120 that are sequentially connected, a steel bar truss 200 having two ends respectively extending into the first pre-cast concrete 100 and the second pre-cast concrete 120 is disposed in the post-cast concrete 110, the length of the steel bar truss 200 extending into the first pre-cast concrete 100 and the second pre-cast concrete 120 is 250mm, the steel bar truss 200 includes steel bar truss upper chord bars 210 spaced above the post-cast concrete 110, steel bar truss lower chord bars 220 spaced below the post-cast concrete 110, steel bar truss diagonal web bars 230 spaced in the post-cast concrete 110, and a truss bottom plate 240 disposed at the bottom of the post-cast concrete 110, the top and the bottom of each steel bar truss diagonal web bar 230 are respectively connected to one steel bar truss upper chord 210 and one steel bar truss lower chord 220, each two adjacent steel bar diagonal web bars 230 are arranged in an octagon shape, and the top of each steel bar truss upper chord 210 is connected to the bottom plate 240 of each steel bar truss, and each steel bar truss diagonal web truss are respectively connected to the bottom plate 240 of each steel bar truss. The first precast concrete 100 and the second precast concrete 120 are provided with steel plates with meshes 130 at one ends connected to the later cast concrete 110, respectively. The post-cast concrete 110 is provided with reinforcing steel bars 140 which are arranged at intervals and both ends of which respectively extend into the first pre-cast concrete 100 and the second pre-cast concrete 120, and one ends of the reinforcing steel bars 140 extending into the first pre-cast concrete 100 and the second pre-cast concrete 120 are bent to form bent parts 150. Vertical truss floor steel bars 160 arranged at intervals are further arranged in the post-cast concrete 110, and each vertical truss floor steel bar 160 is connected with each steel bar truss inclined web rib 230. The floor post-cast strip structure with the steel bar truss further comprises longitudinal floor slab steel bars 170 which are arranged at intervals and sequentially penetrate through the first pre-cast concrete 100, the post-cast concrete 110 and the second pre-cast concrete 120, the longitudinal floor slab steel bars 170 positioned at the top of the post-cast concrete 110 are connected with the steel bar truss upper chord bars 210, and the longitudinal floor slab steel bars 170 positioned at the bottom of the post-cast concrete 110 are connected with the steel bar truss lower chord bars 220.
According to the floor post-cast strip structure with the steel bar truss, provided by the embodiment of the application, the steel bar truss 200 is arranged, the truss bottom plate 240 of the steel bar truss 200 is used as a permanent bottom template for pouring the post-cast concrete 110, and the truss bottom plate 240 of the steel bar truss 200, of which two ends are respectively fixed in the first pre-cast concrete 100 and the second pre-cast concrete 120, can be used as a bottom mould for pouring to obtain the post-cast concrete 110 after the first pre-cast concrete 100 and the second pre-cast concrete 120 are poured, so that the mounting and dismounting of a template support system of the post-cast concrete 110 are omitted, the labor and the using amount of supporting materials are saved, and the construction cost is reduced.
The steel plates with meshes 130 are respectively arranged at the ends of the first cast-in-place concrete 100 and the second cast-in-place concrete 120 connected with the later cast-in-place concrete 110, so that the concrete when the first cast-in-place concrete 100 and the second cast-in-place concrete 120 are cast can be blocked, and the casting operation of the later cast-in-place concrete 110 is prevented from being influenced by the concrete flow.
The steel bar truss 200 comprises steel bar truss upper chord ribs 210 arranged above the post-cast concrete 110 at intervals, steel bar truss lower chord ribs 220 arranged below the post-cast concrete 110 at intervals, steel bar truss oblique web ribs 230 arranged in the post-cast concrete 110 at intervals and a truss bottom plate 240 arranged at the bottom of the post-cast concrete 110, wherein the top and the bottom of each steel bar truss oblique web rib 230 are respectively connected with one steel bar truss upper chord rib 210 and one steel bar truss lower chord rib 220, and the bottom of each steel bar truss oblique web rib 230 is respectively connected with the truss bottom plate 240. The structural strength of the post-cast concrete 110 can be effectively improved by using the steel bar truss 200, and the requirement on the overall construction quality is ensured. The reinforcing steel bars 140 arranged at intervals in the post-cast concrete 110 and having two ends respectively extending into the first pre-cast concrete 100 and the second pre-cast concrete 120 are arranged in the post-cast concrete 110, the length of the steel bar truss 200 extending into the first pre-cast concrete 100 and the second pre-cast concrete 120 is more than 250mm, the connection strength between the first pre-cast concrete 100 and the second pre-cast concrete 120 and the post-cast concrete 110 can be improved, one ends of the reinforcing steel bars 140 extending into the first pre-cast concrete 100 and the second pre-cast concrete 120 are bent to form the bent portions 150, and the connection strength between the first pre-cast concrete 100 and the second pre-cast concrete 120 and the reinforcing steel bars 140 can be further improved.
The post-cast concrete 110 is also internally provided with vertical truss floor steel bars 160 which are arranged at intervals, each vertical truss floor steel bar 160 is connected with each steel bar truss inclined web rib 230, and the connection strength of the post-cast concrete 110 and the steel bar truss 200 can be improved through the vertical truss floor steel bars 160. The floor post-cast strip structure with the steel bar truss further comprises longitudinal floor steel bars 170 which are arranged at intervals and sequentially penetrate through the first pre-cast concrete 100, the post-cast concrete 110 and the second pre-cast concrete 120, the longitudinal floor steel bars 170 positioned at the top or the bottom of the post-cast concrete 110 are respectively connected with the steel bar truss upper chord ribs 210 or the steel bar truss lower chord ribs 220, and the connection strength of the first pre-cast concrete 100 and the second pre-cast concrete 120 and the steel bar truss 200 can be improved by utilizing the longitudinal floor steel bars 170.
The embodiments described above are some, but not all embodiments of the present application. The detailed description of the embodiments of the present application is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
Claims (7)
1. The floor post-cast strip structure with the steel bar truss is characterized by comprising first pre-cast concrete, second pre-cast concrete and second pre-cast concrete which are sequentially connected, wherein steel bar trusses with two ends respectively extending into the first pre-cast concrete and the second pre-cast concrete are arranged in the second pre-cast concrete, each steel bar truss comprises a plurality of steel bar truss upper chord ribs, a plurality of steel bar truss lower chord ribs, a plurality of steel bar truss inclined web ribs and a truss bottom plate arranged at the bottom of the second pre-cast concrete, the top and the bottom of each steel bar truss inclined web rib are respectively connected with at least one steel bar truss upper chord rib and at least one steel bar truss lower chord rib, and the bottom of each steel bar truss inclined web rib is respectively connected with the truss bottom plate.
2. The floor post-cast structure with a steel truss according to claim 1, wherein one end of the first and second pre-cast concrete connected to the post-cast concrete is provided with a steel plate with mesh, respectively.
3. The floor slab post-cast strip structure with the steel bar truss as claimed in claim 1, wherein a plurality of reinforcing steel bars are arranged in the post-cast concrete, and both ends of the reinforcing steel bars respectively extend into the first pre-cast concrete and the second pre-cast concrete.
4. The floor slab post-cast strip structure with the steel bar truss as claimed in claim 3, wherein one end of the reinforcing steel bar extending into the first pre-cast concrete and the second pre-cast concrete is bent to form a bent portion.
5. The floor post-cast strip structure with steel bar trusses as claimed in claim 1, wherein a plurality of vertical truss floor reinforcements are further provided in the post-cast concrete, and each of the vertical truss floor reinforcements is connected to each of the steel bar truss diagonal web reinforcements.
6. The floor post-cast strip structure with a steel bar truss according to claim 1, further comprising a plurality of longitudinal floor slab reinforcing bars sequentially passing through the first pre-cast concrete, the post-cast concrete and the second pre-cast concrete, wherein the longitudinal floor slab reinforcing bars are connected with the steel bar truss upper chord bars or the steel bar truss lower chord bars.
7. The floor post-cast strip construction with a steel bar truss according to claim 1, wherein the length of the steel bar truss extending into the first and second pre-cast concrete is 250mm or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222223206.3U CN218116803U (en) | 2022-08-23 | 2022-08-23 | Floor post-cast strip structure with steel bar truss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222223206.3U CN218116803U (en) | 2022-08-23 | 2022-08-23 | Floor post-cast strip structure with steel bar truss |
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| Publication Number | Publication Date |
|---|---|
| CN218116803U true CN218116803U (en) | 2022-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222223206.3U Active CN218116803U (en) | 2022-08-23 | 2022-08-23 | Floor post-cast strip structure with steel bar truss |
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| CN (1) | CN218116803U (en) |
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- 2022-08-23 CN CN202222223206.3U patent/CN218116803U/en active Active
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