CN217460983U - Floor post-cast strip structure free of formwork jacking - Google Patents
Floor post-cast strip structure free of formwork jacking Download PDFInfo
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- CN217460983U CN217460983U CN202221529853.0U CN202221529853U CN217460983U CN 217460983 U CN217460983 U CN 217460983U CN 202221529853 U CN202221529853 U CN 202221529853U CN 217460983 U CN217460983 U CN 217460983U
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Abstract
A floor post-cast strip structure free of a formwork top support relates to the field of building structures. The template-free top support floor post-cast strip structure comprises left pre-cast concrete, right pre-cast concrete, post-cast concrete with two ends respectively connected with the left pre-cast concrete and the right pre-cast concrete, a left pre-cast concrete template arranged at the bottom of the left pre-cast concrete, a right pre-cast concrete template arranged at the bottom of the right pre-cast concrete, a post-cast concrete template arranged at the bottom of the post-cast concrete, a template top support and a plurality of template support beams arranged at the bottom of the post-cast concrete template, wherein the template top support is used for supporting the left pre-cast concrete template and the right pre-cast concrete template, a plurality of U-shaped anchor hoops are respectively pre-embedded in the left pre-cast concrete and the right pre-cast concrete, and the template support beams are fixed between the U-shaped anchor hoops and the post-cast concrete template. The application provides a floor post-cast strip structure of exempting from template shore has saved the support system to post-cast concrete template, has saved support material and has reduced construction process, is favorable to construction progress control.
Description
Technical Field
The application relates to the field of building structures, in particular to a floor post-cast strip structure free of a formwork jacking.
Background
The post-cast strip is a concrete strip reserved at corresponding positions of a foundation slab, a wall and a beam according to design or construction specification requirements for preventing harmful cracks possibly generated due to nonuniform self shrinkage or nonuniform settlement of a cast reinforced concrete structure in building construction. During construction, the templates and the supporting systems within the range of the post-cast strip are independently arranged and are temporarily tied with the supporting systems on the two sides to form an integral stress system.
When the age of the poured concrete reaches the design requirement and the structure settlement tends to be stable, the post-cast strip is poured and sealed, and the template and the supporting system within the range of the post-cast strip need to be dismantled when the strength of the post-cast concrete reaches the design requirement, so that several adverse effects can be brought: firstly, the post-cast strip range supporting system lags behind the dismounting of the supporting systems in other ranges, so that the construction working surface under the plate can not enter the next procedure comprehensively in time, and the overall construction progress is adversely affected; secondly, the post-cast strip range support system cannot be timely and efficiently recycled, so that the recycling material consumption of construction measures is increased, and the construction cost is disadvantageously controlled;
SUMMERY OF THE UTILITY MODEL
An object of this application is to provide a floor post-cast strip structure of exempting from template shore, it has saved the support system to post-cast concrete template, has saved supporting material and has reduced the construction process, is favorable to construction progress control.
The embodiment of the application is realized as follows:
the embodiment of the application provides a floor post-cast strip structure free of a template top support, which comprises left pre-cast concrete, right pre-cast concrete, post-cast concrete with two ends respectively connected with the left pre-cast concrete and the right pre-cast concrete, a left pre-cast concrete template arranged at the bottom of the left pre-cast concrete, a right pre-cast concrete template arranged at the bottom of the right pre-cast concrete, a post-cast concrete template arranged at the bottom of the post-cast concrete, a template top support and a plurality of template support beams arranged at the bottom of the post-cast concrete template, wherein the template top support is used for supporting the left pre-cast concrete template and the right pre-cast concrete template, a plurality of U-shaped anchor hoops are pre-embedded in the left pre-cast concrete and the right pre-cast concrete respectively, and the template support beams are fixed between the U-shaped anchor hoops and the post-cast concrete template.
In some optional embodiments, both ends of the post-cast concrete are respectively provided with a steel plate net.
In some optional embodiments, the concrete-reinforcing structure further comprises a plurality of reinforcing steel bars sequentially penetrating through the left precast concrete, the later cast concrete and the right precast concrete, and a plurality of supplemental steel bars connected to the reinforcing steel bars, wherein one end of the supplemental steel bars is positioned in the later cast concrete, and the other end is positioned in the left precast concrete or the right precast concrete.
In some alternative embodiments, the cross-sectional area of the supplemental rebar is 20% -25% of the cross-sectional area of the reinforcing rebar.
In some alternative embodiments, the supplemental rebar is located within the left or right precast concrete over a length of 40 times its diameter.
In some optional embodiments, two ends of the U-shaped anchor band respectively penetrate through the top of the corresponding left precast concrete or right precast concrete and are connected with a limit bolt, and the middle part of the U-shaped anchor band respectively penetrates through the bottom of the post-cast concrete template.
The beneficial effect of this application is: the application provides a template shore-free floor post-cast strip structure includes left precast concrete, right precast concrete, post-cast concrete of which both ends are connected with left precast concrete and right precast concrete respectively, left precast concrete template arranged at the bottom of the left precast concrete, right precast concrete template arranged at the bottom of the right precast concrete, post-cast concrete template arranged at the bottom of the post-cast concrete, template shore and a plurality of template joist arranged at the bottom of the post-cast concrete template, the template shore is used for supporting the left precast concrete template and the right precast concrete template, a plurality of U-shaped anchor hoops are pre-buried in the left precast concrete and the right precast concrete respectively, and the template joist is fixed between the U-shaped anchor hoop and the post-cast concrete template. The application provides a template shore-free floor post-cast strip structure has saved the support system to post-cast concrete template, has saved supporting material and has reduced the construction process, is favorable to construction progress control.
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 partial sectional structural view of a post-cast strip structure of a slab without a formwork shoring according to an embodiment of the present application;
FIG. 2 is a partial sectional view along line A-A of FIG. 1.
In the figure: 100. casting concrete on the left; 110. casting concrete on the right side; 120. post-pouring concrete; 130. casting a concrete template on the left; 140. right first pouring concrete template; 150. post-pouring a concrete template; 160. supporting the template; 170. a U-shaped anchor hoop; 180. steel plate nets; 190. a template joist; 200. reinforcing steel bars; 210. reinforcing steel bars are supplemented; 220. and a limiting bolt.
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, as presented in the figures, 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", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, 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 the present application can be understood in a specific case by 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. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The characteristics and performance of the formwork-free shoring floor slab post-cast strip structure of the present application are described in further detail below with reference to the examples.
As shown in fig. 1 and 2, an embodiment of the present application provides a slab post-cast strip structure without a formwork shoring, which includes a left pre-cast concrete 100, a right pre-cast concrete 110, a post-cast concrete 120 having two ends connected to the left pre-cast concrete 100 and the right pre-cast concrete 110, a left pre-cast concrete formwork 130 disposed at the bottom of the left pre-cast concrete 100, a right pre-cast concrete formwork 140 disposed at the bottom of the right pre-cast concrete 110, a post-cast concrete formwork 150 disposed at the bottom of the post-cast concrete 120, a formwork shoring 160, and three formwork joists 190 disposed at the bottom of the post-cast concrete formwork 150, wherein the formwork shoring 160 is used for supporting the left pre-cast concrete formwork 130 and the right pre-cast concrete formwork 140, two ends of the post-cast concrete 120 are respectively provided with a steel plate net 180, six U-shaped anchor hoops 170 are respectively embedded in the left pre-cast concrete 100 and the right pre-cast concrete 110, and six U-shaped anchor hoops 170 respectively embedded in the left pre-cast concrete 100 or the right pre-cast concrete 110 are divided into a length direction arranged at intervals And two groups, each group comprises three U-shaped anchor hoops 170 which are arranged at intervals along the width direction of the corresponding left precast concrete 100 or right precast concrete 110, wherein two ends of each U-shaped anchor hoop 170 respectively penetrate through the top of the corresponding left precast concrete 100 or right precast concrete 110 and are connected with a limit bolt 220, the middle part of each U-shaped anchor hoop 170 further penetrates through the post-cast concrete template 150 after penetrating through the bottom of the corresponding left precast concrete 100 or right precast concrete 110, and a template joist 190 is respectively arranged between each U-shaped anchor hoop 170 and the post-cast concrete template 150. The template-free top-braced floor slab post-cast strip structure further comprises reinforcing steel bars 200 which are arranged at intervals and sequentially penetrate through the left pre-cast concrete 100, the post-cast concrete 120 and the right pre-cast concrete 110, and reinforcing steel bars 210 which are arranged at intervals and connected to the reinforcing steel bars 200, wherein one end of each reinforcing steel bar 210 is positioned in the post-cast concrete 120, the other end of each reinforcing steel bar 210 is positioned in the left pre-cast concrete 100 or the right pre-cast concrete 110, the sum of the cross sectional areas of all the reinforcing steel bars 210 is 20% of the sum of the cross sectional areas of all the reinforcing steel bars 200, and the length of the reinforcing steel bars 210 extending into the corresponding left pre-cast concrete 100 or right pre-cast concrete 110 is more than 40 times of the diameter of the reinforcing steel bars.
The form shoring-free floor slab post-cast strip structure provided by the embodiment of the application is characterized in that the left cast-in-place concrete 100 and the right cast-in-place concrete 110 are respectively cast by using the form shoring 160 to support the left cast-in-place concrete form 130 and the right cast-in-place concrete form 140, six U-shaped anchor hoops 170 are pre-embedded in the left precast concrete 100 and the right precast concrete 110 respectively, and the template joist 190 and the post-cast concrete template 150 are fixed by the respective U-shaped anchor hoops 170, thereby fixing the position of the post-cast concrete template 150 to facilitate the casting of the post-cast concrete 120, omitting the installation and the removal of a template support system of the post-cast concrete 120, saving the using amount of support materials, having good economic benefits, and simultaneously, because no support system is arranged below the post-cast concrete 120, the complete operation work can be vacated after the peripheral support is removed, other construction procedures are not affected, and the construction progress control is very favorable.
The steel plate meshes 180 are respectively disposed at two ends of the post-cast concrete 120, so that the left pre-cast concrete 100 and the right pre-cast concrete 110 can be prevented from flowing into the post-cast concrete formwork 150 to affect the casting operation. The two ends of the U-shaped anchor band 170 penetrate through the top of the corresponding left precast concrete 100 or right precast concrete 110 and are connected with the limit bolt 220, so that the connection stability of the U-shaped anchor band 170 and the corresponding left precast concrete 100 or right precast concrete 110 can be effectively improved. The post-cast strip structure of the floor slab free of the template top bracing further comprises reinforcing steel bars 200 which are arranged at intervals and sequentially penetrate through the left pre-cast concrete 100, the post-cast concrete 120 and the right pre-cast concrete 110 and reinforcing steel bars 210 which are arranged at intervals and connected to the reinforcing steel bars 200, one end of each reinforcing steel bar 210 is positioned in the post-cast concrete 120, the other end of each reinforcing steel bar is positioned in the left pre-cast concrete 100 or the right pre-cast concrete 110, the sum of the cross sectional areas of all the reinforcing steel bars 210 is 20% of the sum of the cross sectional areas of all the reinforcing steel bars 200, and the length of each reinforcing steel bar 210 extending into the corresponding left pre-cast concrete 100 or the right pre-cast concrete 110 is more than 40 times of the diameter of the reinforcing steel bar, so that the overall structural strength of the floor slab can be effectively improved, and particularly the connecting structural strength between the post-cast concrete 120 and the left pre-cast concrete 100 and the right pre-cast concrete 110 is improved.
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, 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.
Claims (6)
1. A floor post-cast strip structure free of a template top support is characterized by comprising left pre-cast concrete, right pre-cast concrete, post-cast concrete, left pre-cast concrete templates, right pre-cast concrete templates, post-cast concrete templates, template top supports and a plurality of template supporting beams, wherein the two ends of the post-cast concrete templates are respectively connected with the left pre-cast concrete and the right pre-cast concrete, the left pre-cast concrete templates are arranged at the bottom of the left pre-cast concrete templates, the right pre-cast concrete templates are arranged at the bottom of the right pre-cast concrete templates, the template top supports are used for supporting the left pre-cast concrete templates and the right pre-cast concrete templates, a plurality of U-shaped anchor hoops are respectively pre-embedded in the left pre-cast concrete and the right pre-cast concrete templates, and the template supporting beams are fixed between the U-shaped anchor hoops and the post-cast concrete templates.
2. The form-free shoring floor slab post-cast strip structure of claim 1, wherein steel screens are respectively arranged at two ends of the post-cast concrete.
3. The form-free shoring floor slab post-cast structure of claim 1, further comprising a plurality of reinforcing steel bars running through the left precast concrete, the post-cast concrete, and the right precast concrete in sequence, and a plurality of supplemental steel bars connected to the reinforcing steel bars, one end of the supplemental steel bars being located in the post-cast concrete, the other end being located in the left precast concrete or the right precast concrete.
4. The form-free shored floor slab post-cast strip structure of claim 3, wherein the supplemental rebar has a cross-sectional area that is 20-25% of the reinforcing rebar cross-sectional area.
5. The form-free shored floor slab post-cast structure of claim 3, wherein the length of the supplemental rebar within the left or right precast concrete is greater than 40 times its diameter.
6. The form-free shoring floor post-cast strip structure of claim 1, wherein two ends of the U-shaped anchor hoop respectively penetrate through the tops of the left precast concrete and the right precast concrete and are connected with limit bolts, and the middle part of the U-shaped anchor hoop respectively penetrates through the bottom of the post-cast concrete form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221529853.0U CN217460983U (en) | 2022-06-17 | 2022-06-17 | Floor post-cast strip structure free of formwork jacking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221529853.0U CN217460983U (en) | 2022-06-17 | 2022-06-17 | Floor post-cast strip structure free of formwork jacking |
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| Publication Number | Publication Date |
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| CN217460983U true CN217460983U (en) | 2022-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221529853.0U Active CN217460983U (en) | 2022-06-17 | 2022-06-17 | Floor post-cast strip structure free of formwork jacking |
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| CN (1) | CN217460983U (en) |
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