CN212507067U - A shaping reinforcing bar goods for cast in situ concrete shear force wallboard - Google Patents
A shaping reinforcing bar goods for cast in situ concrete shear force wallboard Download PDFInfo
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- CN212507067U CN212507067U CN202021709973.XU CN202021709973U CN212507067U CN 212507067 U CN212507067 U CN 212507067U CN 202021709973 U CN202021709973 U CN 202021709973U CN 212507067 U CN212507067 U CN 212507067U
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Abstract
The utility model provides a formed steel bar product for cast-in-place concrete shear wall panels, which comprises a first layer of steel bar net sheets, a second layer of steel bar net sheets and a plurality of groups of trapezoidal split heads ribs arranged between the first layer of steel bar net sheets and the second layer of steel bar net sheets; the first layer of reinforcing mesh and the second layer of reinforcing mesh are parallel to each other and are spaced by a certain distance; each group of trapezoidal split heads rib group connects and fixes the corner position of the first layer of reinforcing mesh and the second layer of reinforcing mesh; each group of trapezoidal split heads rib group comprises a transverse trapezoidal split head rib and a vertical trapezoidal split head rib; the utility model discloses practice thrift manufacturing cost greatly, improved machining efficiency, can also make and keep the geometry unchangeable in range upon range of transportation, handling of shear force wall shaping reinforcing bar goods and the on-the-spot installation.
Description
Technical Field
The utility model relates to a reinforcing bar goods technical field, in particular to shaping reinforcing bar goods for cast in situ concrete shear force wallboard.
Background
Traditional shear force wall steel reinforcement cage comprises two reinforcing bar net pieces and the drawknot reinforcing bar that are parallel to each other and keep a certain distance apart, and all steel bar connection are the ligature connection, and the steel bar ligature point is visual as articulated node. In the aspect of production, because the reinforcing bar tie point is more, so ligature work load is big. In the aspect of transportation, the drawknot reinforcing bar is the hook-shaped, can not restrict the displacement of reinforcing bar net piece to the wall in, if adopt the higher transportation mode that stacks of efficiency, then two-layer reinforcing bar net piece is because of the effect of gravity pastes together easily in the transportation, brings very big inconvenience for the later stage construction. In the aspect of construction, the reinforcement cage is easy to deform during lifting due to poor rigidity, and the reinforcement cage of the edge member adjacent to the reinforcement cage needs to be used for keeping the geometric shape when the reinforcement cage is installed in place on site. Therefore, the traditional shear wall binding reinforcement cage is difficult to meet the requirements on production, transportation and installation in the construction process of the fabricated building. And the reinforcement work load of traditional shear force wall ligature steel reinforcement cage is big, consuming time long, and ligature steel reinforcement cage bulk rigidity is poor, yielding during transportation, hoist and mount.
Chinese patent publication is CN 110847505 a's utility model's patent, this utility model provides a shaping steel reinforcement cage for double skin wall and processing method thereof, it discloses first side reinforcing bar net piece and second side reinforcing bar net piece, a plurality of vertical ladder muscle that parallel interval set up, however, used vertical ladder muscle and traditional truss muscle of this utility model are great to the steel use amount, and manufacturing cost is high and yielding during hoist and mount.
SUMMERY OF THE UTILITY MODEL
The purpose of the present invention is to solve at least one of the technical drawbacks.
Therefore, the utility model aims to provide a shaping reinforcing bar goods for cast in situ concrete shear force wallboard has practiced thrift manufacturing cost greatly, has improved machining efficiency, can also make and keep geometry unchangeable in the range upon range of transportation of shear force wall shaping reinforcing bar goods, handling and the on-the-spot installation.
In order to achieve the above object, an embodiment of the present invention provides a shaped rebar product for cast-in-place concrete shear wall panels, including a first layer of rebar mesh, a second layer of rebar mesh, and a plurality of trapezoidal split heads rib sets disposed between the first layer of rebar mesh and the second layer of rebar mesh; the first layer of reinforcing mesh and the second layer of reinforcing mesh are parallel to each other and are spaced by a certain distance; each group of trapezoidal split heads rib group connects and fixes the corner position of the first layer of reinforcing mesh and the second layer of reinforcing mesh;
each group of trapezoidal split heads rib group comprises a transverse trapezoidal split head rib and a vertical trapezoidal split head rib;
the transverse trapezoidal split heads are composed of an upper horizontal section, a first supporting section, a second supporting section, a first lower horizontal section and a second lower horizontal section, wherein two ends of the upper horizontal section are respectively connected with the first supporting section and the second supporting section, the first supporting section is connected with the first lower horizontal section, the second supporting section is connected with the second lower horizontal section, and the first lower horizontal section is parallel to the second lower horizontal section;
the included angles between the projections of the first support section and the second support section on the front view and the projection of the upper horizontal section on the front view are 120-135 degrees, the included angles between the projections of the first lower horizontal section and the second lower horizontal section on the top view and the projection of the upper horizontal section on the top view are 90 degrees, the included angle between the projection of the first support section on the side view and the projection of the first lower horizontal section on the side view is 90 degrees, and the included angle between the projection of the second support section on the side view and the projection of the second lower horizontal section on the side view is 90 degrees;
the structure of the vertical trapezoidal split heads is the same as that of the transverse trapezoidal split heads, but the transverse trapezoidal split heads are transversely arranged, and the vertical trapezoidal split heads are vertically arranged;
the upper horizontal section of the transverse trapezoidal split heads is bound or welded with the corresponding transverse distribution steel bars on the first layer of steel bar mesh sheet, and the first lower horizontal section and the second lower horizontal section of the transverse trapezoidal split heads are bound or welded with the corresponding vertical distribution steel bars on the second layer of steel bar mesh sheet respectively;
and the upper horizontal section of the vertical trapezoidal split heads is bound or welded with the corresponding vertically distributed reinforcing steel bars on the first layer of reinforcing mesh sheet, and the first lower horizontal section and the second lower horizontal section of the vertical trapezoidal split heads are bound or welded with the corresponding horizontally distributed reinforcing steel bars on the second layer of reinforcing mesh sheet respectively.
In any of the above schemes, preferably, the vertical distance between the midpoint a of the upper horizontal section of the transverse trapezoidal split heads and the midpoint B of the upper horizontal section of the vertical trapezoidal split heads is 2s, where s represents the distance between the adjacent transversely distributed steel bars on the first layer of steel bar mesh sheet.
In any of the above schemes, preferably, the midpoint a of the upper horizontal section of the transverse trapezoidal split heads and the midpoint B of the upper horizontal section of the vertical trapezoidal split heads are located on the same vertically distributed steel bar on the first layer of the mesh steel bar sheet.
In any of the above schemes, preferably, the distance between the midpoint a of the upper horizontal segment of the transverse trapezoidal split heads and the longitudinally distributed reinforcements at the boundary of the nearest first layer of reinforcement mesh is s or 2 s.
In any of the above schemes, preferably, the distance between the horizontally distributed reinforcing steel bars of the boundary between the midpoint B of the upper horizontal section of the vertical trapezoidal split heads and the nearest first layer of reinforcing steel mesh sheet is s or 2 s.
In any of the above schemes, preferably, the range of the distance L between the first lower horizontal section and the second lower horizontal section of the transverse trapezoidal split heads is:
2s’-d1-d2≤L≤2s’+d1+d2；
wherein s' represents the spacing between the transversely distributed reinforcing bars on the second layer of mesh reinforcing bars, d1 represents the diameter of the transversely distributed reinforcing bars on the second layer of mesh reinforcing bars, and d2 represents the diameter of the transverse trapezoidal split heads.
In any of the above schemes, preferably, the maximum horizontal clear distance between each group of the trapezoidal split heads is not greater than 1600mm, wherein the maximum horizontal clear distance between each group of the trapezoidal split heads is the maximum horizontal distance between each group of the trapezoidal split heads and the trapezoidal split head corresponding to the horizontal direction of each group of the trapezoidal split heads.
Preferably in any one of the above schemes, the maximum vertical clear distance between each group of the trapezoidal split heads is not greater than 1600mm, wherein the maximum vertical clear distance between each group of the trapezoidal split heads is the maximum vertical distance between each group of the trapezoidal split heads and the trapezoidal split head corresponding to the vertical direction of each group of the trapezoidal split heads.
In any of the above schemes, preferably, the number of binding points or welding points between each group of trapezoidal split heads and the first layer of reinforcing mesh and the second layer of reinforcing mesh is not less than 1.
In any of the above schemes, preferably, the trapezoidal split heads have 5 groups of bars, and are respectively placed at four corner positions and a middle position of the first layer of steel mesh sheet or the second layer of steel mesh sheet.
The utility model discloses a shaping reinforcing bar goods for cast in situ concrete shear force wallboard has following beneficial effect:
1. the utility model discloses a simple structure of trapezoidal split heads muscle group, integrated into one piece can realize mechanized high-efficient processing, and production efficiency is high to its low in manufacturing cost, less than the steel that original truss muscle or ladder muscle used, with low costs, resources are saved still is convenient for install and transport.
2. The utility model discloses in with violently erect grouped trapezoidal split heads muscle group at last second floor reinforcing bar net piece bight and set up in order, can effectively guarantee the rigidity of shaping reinforcing bar goods in all directions to can make it keep geometry unchangeable in range upon range of transportation, handling and on-the-spot installation.
3. The utility model discloses set up the first horizontal segment of horizontal trapezoidal split heads muscle and the second down the scope of interval L between the horizontal segment, adopted this scope can improve the stability of shear force wall shaping reinforcing bar goods greatly.
4. The utility model discloses a maximum level clear distance and the biggest vertical clear distance of each group between the trapezoidal split heads muscle group can reach 1600mm, surpass the interval limit value 600mm of traditional form drawknot reinforcing bar to the machining efficiency of shear force wall shaping reinforcing bar goods has been improved greatly.
5. In order to effectively ensure the rigidity of the formed steel bar products in all directions and keep the geometric shapes of the formed steel bar products unchanged in the processes of stacking transportation, hoisting and field installation, the trapezoidal split heads are respectively arranged at four corner positions of the first layer of steel bar net sheet or the second layer of steel bar net sheet.
6. The utility model discloses used the shear force wall shaping reinforcing bar goods that trapezoidal split heads muscle group was made, can use the drawknot reinforcing bar that does not use traditional form even less to practice thrift the cost greatly, improved machining efficiency, can also promote the stability ability of shear force wall shaping reinforcing bar goods.
7. The utility model discloses there is the slope of certain angle in the support section among the trapezoidal split heads muscle group, can exert the effect of bracing, compares with the split heads muscle that supports section perpendicular to reinforcing bar net piece, has promoted the stability of split heads muscle to reinforcing bar net piece support.
8. The utility model discloses a trapezoidal split heads reinforcing bar group can realize mechanized high-efficient processing, and production efficiency is high. Compared with truss ribs or ladder ribs, the steel is saved, the cost is reduced, and the processing efficiency is improved.
9. Compare with manual ligature reinforcing bar net piece, the utility model discloses still adopt the reinforcing bar of mechanical welding reinforcing bar net piece for connect more firmly, the rigidity of reinforcing bar net piece obviously strengthens, and the mechanized production of still being convenient for promotes production efficiency.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the position of the connecting fixing points of the transverse trapezoidal split heads and the vertical trapezoidal split heads of the present invention;
FIG. 3 is a schematic structural view of a transverse trapezoidal split heads of the present invention;
FIG. 4 is a front view of the transverse trapezoidal split heads of the present invention;
FIG. 5 is a side view of the horizontal trapezoidal split heads of the present invention;
FIG. 6 is a top view of the horizontal trapezoidal split heads of the present invention;
FIG. 7 is a schematic diagram showing the positional relationship between the transverse trapezoidal split heads and the transverse and vertical distributed reinforcements on the second layer of reinforcement mesh when L is less than or equal to 2 s' + d1+ d 2;
fig. 8 is a schematic view of a positional relationship between the transverse trapezoidal stirrup and the transverse and vertical distributed reinforcing steel bars on the second layer of reinforcing mesh when L is 2 s' in the present invention;
fig. 9 is a schematic diagram of a positional relationship between the transverse trapezoidal stud and the transverse and vertical distributed reinforcing steel bars on the second layer of reinforcing mesh sheet when L is 2 s' -d1-d2 according to the present invention;
fig. 10 is a schematic diagram of the arrangement principle of the transverse trapezoidal split heads and the vertical trapezoidal split heads of the present invention;
in the figure: 1. a first layer of steel mesh; 2. a second layer of steel mesh; 3. transverse trapezoidal split heads ribs; 4. vertical trapezoidal split heads ribs; 5. a welding point; 21. vertically distributing reinforcing steel bars; 22. transversely distributing reinforcing steel bars; 31. an upper horizontal section; 32. a first support section; 33. a second support section; 34. a first lower horizontal section; 35. a second lower horizontal section; 51. the upper horizontal section of the transverse trapezoidal split heads is connected with a fixed point; 52. the first supporting section of the transverse trapezoidal split heads is connected with a fixed point; 53. the upper horizontal section of the vertical trapezoidal split heads is connected with a fixed point; 54. the second supporting section of the vertical trapezoidal split heads is connected with a fixed point;
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; 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 invention can be understood according to specific situations by those skilled in the art.
The utility model provides a formed steel bar product for cast-in-place concrete shear wall panel, as shown in fig. 1-10, comprising a first layer of steel bar net sheet 1, a second layer of steel bar net sheet 2, and a plurality of groups of trapezoidal split heads arranged between the first layer of steel bar net sheet 1 and the second layer of steel bar net sheet 2; the first layer of reinforcing mesh sheet 1 and the second layer of reinforcing mesh sheet 2 are parallel to each other and are spaced by a certain distance; the corner positions of the first layer of reinforcing mesh sheet 1 and the second layer of reinforcing mesh sheet 2 are fixedly connected by each group of trapezoidal split heads, and the positions of the connecting and fixing points of each group of trapezoidal split heads are shown in fig. 2.
Each group of trapezoidal split heads muscle group includes a horizontal trapezoidal split head muscle 3 and a vertical trapezoidal split head muscle 4.
As shown in fig. 3, the transverse trapezoidal split heads 3 are composed of an upper horizontal segment 31, a first supporting segment 32, a second supporting segment 33, a first lower horizontal segment 34, and a second lower horizontal segment 35, two ends of the upper horizontal segment 31 are respectively connected with the first supporting segment 32 and the second supporting segment 33, the first supporting segment 32 is connected with the first lower horizontal segment 34, the second supporting segment 33 is connected with the second lower horizontal segment 35, and the first lower horizontal segment 34 is parallel to the second lower horizontal segment 35.
As shown in fig. 4, the included angles between the projection of the first support section 32 and the projection of the second support section 33 in the front view and the projection of the upper horizontal section 31 in the front view are all 120-135 °, and the advantage of such setting is that the first support section 32 and the second support section 33 are inclined at a certain angle, which can play a role of diagonal bracing, and compared with a horse stool bar of which the support section is perpendicular to the steel mesh sheet, the stability of the horse stool bar to the support of the upper second layer of steel mesh sheet is improved. As shown in fig. 6, the angle between the projection of the first lower horizontal segment 34 and the second lower horizontal segment 35 in the top view and the projection of the upper horizontal segment 31 in the top view is 90 °. As shown in fig. 5, the angle between the projection of the first support section 32 in side view and the projection of the first lower horizontal section 34 in side view is 90 °, and the angle between the projection of the second support section 33 in side view and the projection of the second lower horizontal section 35 in side view is 90 °.
The structure of vertical trapezoidal split heads muscle 4 is the same with the structure of horizontal trapezoidal split heads muscle 3, but horizontal trapezoidal split heads muscle 3 transverse arrangement, 4 vertical arrangements of vertical trapezoidal split heads muscle.
The upper horizontal section 31 of the transverse trapezoidal split heads rib 3 is bound or welded with the corresponding transverse distributed steel bars on the first layer of steel bar net piece 1, the first lower horizontal section 34 and the second lower horizontal section 35 of the transverse trapezoidal split heads rib 3 are respectively bound or welded with the corresponding vertical distributed steel bars 21 on the second layer of steel bar net piece 2, preferably, 1 connecting fixed point 51 is arranged on the upper horizontal section of the transverse trapezoidal split heads rib, and the middle point is the middle point of the upper horizontal section of the transverse trapezoidal split heads rib; the first supporting section of the transverse trapezoidal split heads rib is connected with 2 fixing points 52.
The ligature of the vertical distribution reinforcing bar that corresponds or welding on the last horizontal segment 31 of vertical trapezoidal split heads muscle 4 and the first layer reinforcing bar net piece 1, the ligature of the horizontal segment 22 that corresponds on the horizontal segment 34, the second of vertical trapezoidal split heads muscle 4 respectively and the second layer reinforcing bar net piece 2, preferably, the last horizontal segment connecting fixed point 53 of vertical trapezoidal split heads muscle has 2, the second of vertical trapezoidal split heads muscle supports section connecting fixed point 54 and also is 2.
The utility model discloses a simple structure of trapezoidal split heads muscle group, integrated into one piece can realize mechanized high-efficient processing, and production efficiency is high to its low in manufacturing cost, less than the steel that original truss muscle or ladder muscle used, with low costs, resources are saved still is convenient for install and transport.
Furthermore, the utility model discloses in with violently erect in groups trapezoidal split heads muscle and organize at last second floor reinforcing bar net piece bight and set up in order, can effectively guarantee the rigidity of shaping reinforcing bar goods in all directions, make it keep geometry unchangeable in range upon range of transportation, handling and on-the-spot installation.
In another embodiment of the present invention, in order to improve the stability of the shear wall formed steel bar product, as shown in fig. 7 to 9, the range of the distance L between the first lower horizontal section 34 and the second lower horizontal section 35 of the transverse trapezoidal split heads 3 is:
2s’-d1-d2≤L≤2s’+d1+d2；
wherein s' represents the distance between the transversely distributed steel bars 22 on the second layer of the steel bar mesh 2, d1 represents the diameter of the transversely distributed steel bars 22 on the second layer of the steel bar mesh 2, and d2 represents the diameter of the transverse trapezoidal split heads 3.
In another embodiment of the present invention, as shown in fig. 10, the vertical distance between the midpoint a of the upper horizontal section 31 of the horizontal trapezoid split heads bar 3 and the midpoint B of the upper horizontal section 31 of the vertical trapezoid split heads bar 4 is 2s, wherein s represents the distance between the adjacent laterally distributed reinforcing bars on the first layer reinforcing bar net sheet 1.
The utility model discloses an in another embodiment, in order to satisfy the processing demand that first layer reinforcing bar net piece or second layer reinforcing bar net piece that the area is little, 31 mid points A of the 31 mid points of the last horizontal segment of horizontal trapezoidal split heads muscle 3 and 4 mid points B of the last horizontal segment of vertical trapezoidal split heads muscle are in on 1 same vertical distribution reinforcing bar of first layer reinforcing bar net piece.
In another embodiment of the present invention, the distance between the vertical distribution steel bars at the center point a of the upper horizontal section 31 of the horizontal trapezoid split heads bar 3 and the nearest boundary of the first layer steel mesh sheet 1 is s or 2 s.
In another embodiment of the present invention, the distance between the midpoint B of the upper horizontal section 31 of the vertical trapezoid split heads 4 and the boundary transverse distribution steel bar 22 of the nearest first layer steel mesh sheet 1 is s or 2 s.
The utility model discloses a further embodiment, the maximum level clear distance between each group of trapezoidal split heads muscle group is not more than 1600mm, wherein, the maximum level clear distance between each group of trapezoidal split heads muscle group is the maximum horizontal distance between the trapezoidal split heads muscle group that each group of trapezoidal split heads muscle group and its horizontal direction correspond.
The utility model discloses an in another embodiment, the biggest vertical clear distance between each group of trapezoidal split heads muscle group is not more than 1600mm, and wherein, the biggest vertical clear distance between each group of trapezoidal split heads muscle group is the biggest vertical distance between the trapezoidal split heads muscle group that every group of trapezoidal split heads muscle group corresponds rather than vertical direction and organizes.
The utility model discloses a maximum level clear distance and the biggest vertical clear distance of each group between the trapezoidal split heads muscle group can reach 1600mm, surpass the interval limit value 600mm of traditional form drawknot reinforcing bar to the machining efficiency of shear force wall shaping reinforcing bar goods has been improved greatly.
The utility model discloses an in another embodiment, in order to improve the stability of shear force wall shaping reinforcing bar goods, every trapezoidal split heads muscle of group is no less than 1 with ligature point or welding point 5 of first layer reinforcing bar net piece 1, second floor reinforcing bar net piece 2.
The utility model discloses an in another embodiment, in order to guarantee effectively that the rigidity of shaping reinforcing bar goods on all directions makes it keep the geometry unchangeable in range upon range of transportation, handling and field installation process.
In addition, when meeting general steel reinforcement cage, then set up 4 trapezoidal split heads muscle groups, place four bight positions on first layer reinforcing bar net piece 1 or second layer reinforcing bar net piece 2 respectively.
When a relatively long reinforcement cage is encountered, 5 groups of trapezoidal split heads are arranged and respectively arranged at four corner positions and the middle position of the first layer of reinforcement mesh sheet 1 or the second layer of reinforcement mesh sheet 2.
The utility model discloses an in another embodiment, the course of working that has used the shear force wall shaping reinforcing bar goods that trapezoidal split heads muscle group made does: when a shear wall forming reinforcing steel bar product is processed, a welded second layer of reinforcing steel bar net piece is laid on the hardened ground, then the lower horizontal section of the split heads is bound or welded with the distribution bars, finally the upper layer of welded reinforcing steel bar net piece is laid on the split heads, and the upper horizontal section of the split heads is bound or welded with the distribution bars.
The utility model discloses used the shear force wall shaping reinforcing bar goods that trapezoidal split heads muscle group was made, can use the drawknot reinforcing bar that does not use traditional form even less to practice thrift the cost greatly, improved machining efficiency, can also promote the stability ability of shear force wall shaping reinforcing bar goods.
In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A formed steel bar product for a cast-in-place concrete shear wallboard is characterized by comprising a first layer of steel bar net sheets, a second layer of steel bar net sheets and a plurality of groups of trapezoidal split heads arranged between the first layer of steel bar net sheets and the second layer of steel bar net sheets; the first layer of reinforcing mesh and the second layer of reinforcing mesh are parallel to each other and are spaced by a certain distance; each group of trapezoidal split heads rib group connects and fixes the corner position of the first layer of reinforcing mesh and the second layer of reinforcing mesh;
each group of trapezoidal split heads rib group comprises a transverse trapezoidal split head rib and a vertical trapezoidal split head rib;
the transverse trapezoidal split heads are composed of an upper horizontal section, a first supporting section, a second supporting section, a first lower horizontal section and a second lower horizontal section, wherein two ends of the upper horizontal section are respectively connected with the first supporting section and the second supporting section, the first supporting section is connected with the first lower horizontal section, the second supporting section is connected with the second lower horizontal section, and the first lower horizontal section is parallel to the second lower horizontal section;
the included angles between the projections of the first support section and the second support section on the front view and the projection of the upper horizontal section on the front view are 120-135 degrees, the included angles between the projections of the first lower horizontal section and the second lower horizontal section on the top view and the projection of the upper horizontal section on the top view are 90 degrees, the included angle between the projection of the first support section on the side view and the projection of the first lower horizontal section on the side view is 90 degrees, and the included angle between the projection of the second support section on the side view and the projection of the second lower horizontal section on the side view is 90 degrees;
the structure of the vertical trapezoidal split heads is the same as that of the transverse trapezoidal split heads, but the transverse trapezoidal split heads are transversely arranged, and the vertical trapezoidal split heads are vertically arranged;
the upper horizontal section of the transverse trapezoidal split heads is bound or welded with the corresponding transverse distribution steel bars on the first layer of steel bar mesh sheet, and the first lower horizontal section and the second lower horizontal section of the transverse trapezoidal split heads are bound or welded with the corresponding vertical distribution steel bars on the second layer of steel bar mesh sheet respectively;
and the upper horizontal section of the vertical trapezoidal split heads is bound or welded with the corresponding vertically distributed reinforcing steel bars on the first layer of reinforcing mesh sheet, and the first lower horizontal section and the second lower horizontal section of the vertical trapezoidal split heads are bound or welded with the corresponding horizontally distributed reinforcing steel bars on the second layer of reinforcing mesh sheet respectively.
2. A shaped reinforcing article for cast-in-place concrete shear wall panels as claimed in claim 1, wherein the vertical distance between the mid-point a of the upper horizontal section of the transverse trapezoidal split heads and the mid-point B of the upper horizontal section of the vertical trapezoidal split heads is 2s, where s represents the spacing between adjacent transversely distributed reinforcing bars on the first layer of mesh reinforcing bars.
3. A shaped rebar product for cast-in-place concrete shear wall panels as claimed in claim 2, wherein the upper horizontal section midpoint a of the transverse trapezoidal split heads and the upper horizontal section midpoint B of the vertical trapezoidal split heads are on the same vertically distributed rebar on the first layer of rebar mesh.
4. A shaped rebar product for cast-in-place concrete shear wall panels as claimed in claim 2, wherein the distance between the horizontal section midpoint a of the transverse trapezoidal split heads and the border longitudinally distributed rebar of the closest first layer of rebar mesh is s or 2 s.
5. A shaped rebar product for cast-in-place concrete shear wall panels as claimed in claim 2, wherein the distance between the horizontal section midpoint B of the vertical trapezoidal split heads and the border of the nearest first layer of rebar mesh is s or 2 s.
6. A profiled reinforcement product for a cast in place concrete shear wall panel as claimed in claim 1, wherein the range of the spacing L between the first and second lower horizontal sections of the transverse trapezoidal split heads is:
2s’-d1-d2≤L≤2s’+d1+d2；
wherein s' represents the spacing between the transversely distributed reinforcing bars on the second layer of mesh reinforcing bars, d1 represents the diameter of the transversely distributed reinforcing bars on the second layer of mesh reinforcing bars, and d2 represents the diameter of the transverse trapezoidal split heads.
7. A shaped rebar article as claimed in claim 1 wherein the maximum horizontal clear distance between each set of trapezoidal split heads is no greater than 1600mm, wherein the maximum horizontal clear distance between each set of trapezoidal split heads is the maximum horizontal distance between each set of trapezoidal split heads and its horizontally corresponding set of trapezoidal split heads.
8. A shaped rebar product for cast-in-place concrete shear wall panels as claimed in claim 1, wherein the maximum vertical clear distance between each set of trapezoidal split heads is not greater than 1600mm, wherein the maximum vertical clear distance between each set of trapezoidal split heads is the maximum vertical distance between each set of trapezoidal split heads and its vertically corresponding set of trapezoidal split heads.
9. The shaped rebar article of claim 1, wherein each set of trapezoidal split heads has no less than 1 tie point or weld with the first and second layers of rebar mesh.
10. A shaped rebar product for cast-in-place concrete shear wall panels as claimed in claim 1, wherein said trapezoidal groups of split heads are arranged in 5 groups at four corner positions and at a middle position of the first layer of rebar mesh or the second layer of rebar mesh, respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021709973.XU CN212507067U (en) | 2020-08-17 | 2020-08-17 | A shaping reinforcing bar goods for cast in situ concrete shear force wallboard |
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| CN202021709973.XU CN212507067U (en) | 2020-08-17 | 2020-08-17 | A shaping reinforcing bar goods for cast in situ concrete shear force wallboard |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111809799A (en) * | 2020-08-17 | 2020-10-23 | 中建科技集团有限公司 | A shaping reinforcing bar goods for cast in situ concrete shear force wallboard |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111809799A (en) * | 2020-08-17 | 2020-10-23 | 中建科技集团有限公司 | A shaping reinforcing bar goods for cast in situ concrete shear force wallboard |
| CN111809799B (en) * | 2020-08-17 | 2022-08-02 | 中建科技集团有限公司 | A shaping reinforcing bar goods for cast in situ concrete shear force wallboard |
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Granted publication date: 20210209 |