CN211286292U - Prefabricated cavity slab rib roof beam steel bar connection built-up member of assembled - Google Patents
Prefabricated cavity slab rib roof beam steel bar connection built-up member of assembled Download PDFInfo
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- CN211286292U CN211286292U CN201921006274.6U CN201921006274U CN211286292U CN 211286292 U CN211286292 U CN 211286292U CN 201921006274 U CN201921006274 U CN 201921006274U CN 211286292 U CN211286292 U CN 211286292U
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Abstract
The utility model provides an assembly type prefabricated cavity plate rib beam steel bar connection combined component, which is characterized in that the assembly type prefabricated cavity plate rib beam steel bar connection component consists of channel steel, strip-shaped steel bar holes and constraint steel pieces; strip-shaped steel bar holes for connecting prefabricated cavity plate rib beam steel bars are drilled in the wall of the groove steel; the restraining steel part is sleeved on the outer edge of the side wall of the channel steel by adopting a special-shaped channel steel, and controls the wall of the channel steel to deform in a tensile way; the inner space width of the special-shaped channel steel is matched with the outer width of the side wall of the channel steel; n notches are prefabricated on two side walls of the special-shaped channel steel; the strip-shaped steel bar holes are vertical to the notches, and the crossed part is a steel bar connecting part.
Description
Technical Field
The utility model relates to a frame construction assembly type building system technique, concretely relates to prefabricated cavity plate rib roof beam steel bar connection built-up component of assembled.
Background
The assembly type building industry plan is popularized, the adjustment of the building industry structure is promoted, the building quality is improved, the construction speed is accelerated, and energy conservation, environmental protection and building scientific and technical progress are realized; however, the fabricated building of the reinforced concrete frame structure system is not widely used, and the common technology is that a common composite floor slab and a double-T plate floor slab are adopted; and because the beam column node, the superposed formation of the beam and the floor slab and the connection method of the member steel bar of the reinforced concrete frame structure assembly type building are not well solved, the original purpose of reducing the engineering cost in China is not realized, but the cost is increased, and the development of the assembly type building industry is restricted because of the air-free property.
Really use novel people's "an assembly type building cavity floor" mandate notice No. CN106381951B, solved the weight of assembly type building floor, the super large area of floor component, transportation and construction hoist and mount, the flexonics problem of assembly type building cavity floor and girder, established the basis for assembly type building floor.
In order to realize rigid connection of the assembly type building components, the inventor's ' assembly type prefabricated convex beam ' with the authorization notice number CN208777555U changes the structural form of the main beam, combines the traditional square beam and the wide flat beam into the convex beam, not only solves the superposition form of the beam and the plate, but also realizes the minimization of the superposition height of the assembly type building beam and the plate under the rigid connection state, and makes the structure of the assembly type building of the reinforced concrete frame structure innovate and take a key step.
In order to realize that the beam column of the fabricated building with the reinforced concrete frame structure has no node, the inventor's ' building with the prefabricated reinforced concrete support ', the application number of which is 201811424448.0; the rigid connection of the support and the beam is carried out from the negative bending moment point of the beam; the dream that the beam column has no node is realized, and the world construction difficulty that the beam column of the fabricated building of the reinforced concrete frame structure has no node is solved; the invention gradually forms the technology of a reinforced concrete assembly type frame structure system, and because the inventor solves the key technology that a beam and a floor slab are superposed and a beam column has no node, the construction of the assembly type frame structure system in the existing assembly type construction can be saved from a complicated and expensive assembly type shear wall structure system, and the construction cost is reduced by more than 20 percent; however, the steel bar connection of each assembly type component can only adopt the connection mode of the prior art, such as: binding and connecting reinforcing steel bars, welding, mechanically connecting screw sleeves and connecting outer sleeves in a grouting manner; the binding connection and welding in the methods can not meet the standard requirements; the screw sleeve mechanical connection is characterized in that two fixed component steel bars cannot be connected in a rotating way; the grouting connection of the outer sleeves is very complicated and expensive, and the connection cost of the steel bars is very high.
At present, the technology of the assembly type building system of the reinforced concrete frame structure is gradually improved by the inventor for the first time, in order to further form a system technical system, a steel bar connection combined component is researched, the purposes that all components of the reinforced concrete assembly type frame structure are simple in steel bar connection, safe and reliable in connection and best in economical efficiency are achieved, and the assembly type building system of the reinforced concrete frame structure is an urgent need for innovation in the technical field of the reinforced concrete assembly type frame structure building system.
SUMMERY OF THE UTILITY MODEL
The utility model aims to form the self-researched reinforced concrete assembly type frame structure system technology, thoroughly solve the assembly type frame structure beam column without node, and under the premise of the superposition mode of the beam and the floor slab, the problems of the steel bar connection method and the connection device between the structural support fulcrum and the convex beam, between the convex beam and the cavity plate member, and between the cavity plate member and the cavity plate member are mainly solved, and the existing assembly type building structure technology is transformed and upgraded; the steel bar connection combined member is adopted to achieve the purpose of optimizing the existing assembly type building structure connection technology and overcome a series of defects of the existing assembly type building member steel bar connection method and connection devices.
The technical scheme of the utility model is that the assembled prefabricated cavity plate rib beam steel bar connection combined member is characterized in that the assembled prefabricated cavity plate rib beam steel bar connection member consists of channel steel, strip-shaped steel bar holes and constraint steel pieces; strip-shaped steel bar holes for connecting prefabricated cavity plate rib beam steel bars are drilled in the wall of the groove steel; the restraining steel part adopts special-shaped channel steel and reacts on the outer edge of the side wall of the channel steel, and controls the wall of the channel steel to deform in a tensile way; the inner space width of the special-shaped channel steel is matched with the outer width of the side wall of the channel steel; n notches are prefabricated on two side walls of the special-shaped channel steel; the strip-shaped steel bar holes are perpendicular to the notches, and the crossed part is a steel bar connecting part.
The utility model has the other preferable proposal that N notches are prefabricated on the two side walls of the deformed channel steel; the width of the notch is larger than the diameter of the steel bar to be connected; the depth of the notch is larger than 2/3 of the height of the side wall of the profiled channel steel.
The utility model discloses a another preferred scheme is that cell type steel bottom plate thickness and cell type steel lateral wall thickness are greater than or equal to 5 mm.
The other preferable proposal of the utility model is that the length of the channel steel is more than or equal to 100 mm; the width of the groove steel bottom plate is more than or equal to 80 mm; the height of the side wall of the channel steel is more than or equal to 60 mm.
The utility model discloses a prefabricated cavity slab rib roof beam steel bar connection built-up component of assembled is on the basis of building structure design drawing, with post, roof beam, floor, support, the wall of constituteing the building in the overall structure design drawing, decomposes into a plurality of components, and the mill organizes the component of producing into required specification model according to the component that decomposes, transports the engineering scene with the component, uses the utility model discloses the built-up component of applying carries out the steel bar connection and the post-cast concrete of each component, builds the prefabricated cavity plate structure's assembled building.
Drawings
Fig. 1 is a diagram of an embodiment of the combination member assembly of the present invention.
Fig. 2 is the combined member channel steel and the bar-shaped steel bar hole pattern of the present invention.
Fig. 3 is an illustration of the special-shaped channel steel of the combined member of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
FIG. 1 is a view of an embodiment of the combination members of the present invention, when the present invention is implemented; determining the size of the sectional area of the channel steel 11 according to the tensile force borne by the main beam of the frame structure or the rib beam of the prefabricated cavity plate to be connected; the channel steel 11 consists of a bottom plate 12 and two side walls 13; cutting the selected channel steel 11 into a width specification which is not larger than that of a floor rib beam, and respectively cutting strip-shaped reinforcing steel holes 14 at the middle points of the heights of two side walls 13 of the channel steel according to the number of required connecting reinforcing steel, wherein the cutting length of the strip-shaped reinforcing steel holes is not less than the width of a reinforcing steel group at the bottom of the beam; the cutting height of the strip-shaped steel bar hole is more than or equal to the diameter of the steel bar to be connected and is not more than 3mm of the diameter of the steel bar to be connected; forming a combined component connecting device 15 for connecting the rib beam reinforcing steel bars of the prefabricated cavity plate; then, according to the width of the outer side wall of the manufactured combined component connecting device 15, the special-shaped channel steel is produced by a section steel manufacturer in a customized manner, and the inner width of the two side walls of the special-shaped channel steel is matched with the outer width of the two side walls of the channel steel 11; vertically digging notches 17 on two side walls of the special-shaped channel steel, wherein the depth of each notch is 2/3 of the height of the side wall, and the width of each notch is larger than the diameter of a steel bar to be connected; the number of the notches is the same as that of the reinforcing steel bars required to be connected with the two side walls respectively; when the high-efficiency connection is implemented on site, one end of the steel bar to be connected is firstly connected into the strip-shaped steel bar hole 14 of any one side wall of the combined member connecting device 15 in series, then the combined member connecting device 15 is moved, the other steel bar to be connected is connected into the strip-shaped steel bar hole 14 of the other side wall of the combined member connecting device 15 in series, the nut is tightened, and the steel bar of the floor rib beam to be connected is converted through the combined member connecting device 15, so that the high-efficiency and low-cost connection is realized; the method has the advantages that the deformation of the combined member connecting device 15 when load is applied is prevented, so that connection safety danger is caused, after the connected steel bars pass through the strip-shaped steel bar holes 14 of the combined member connecting device 15 and the nuts are tightened, the special-shaped channel steel is quickly sleeved on the outer edges of the two side walls of the combined member connecting device 15, and the digging notches of the special-shaped channel steel are inserted opposite to the connected steel bars to form a combined member; and determining whether the joint of the combined member connecting device 15 and the sleeved special-shaped channel steel is welded or not according to the stress state.
Fig. 2 is a channel steel and hole pattern of the combined member of the present invention, wherein the channel steel 11 of the combined member includes a bottom plate 12 and two side walls 13; selecting channel steel 11 according to the function of connecting the floor slab rib beam and the strength of bearing the tension, cutting the channel steel into a width specification which is not more than the width specification of the floor slab rib beam, and respectively positioning and cutting strip-shaped reinforcing steel holes 14 on two side walls 13 of the channel steel according to the number of the connecting reinforcing steel bars to form a connecting beam and reinforcing steel bar combined member connecting device 15; the width and the height of the strip-shaped reinforcing steel bar holes 14 on the two side walls 13 of the channel steel are not necessarily completely equal; since the two connected members are designed and calculated to take the total bearing capacity into consideration, the width and height of the bar-shaped reinforcement holes 14 on the two side walls 13 are changed due to the change of the diameter of the reinforcement.
Fig. 3 is an illustration of an embodiment of the special-shaped channel steel of the combined member of the present invention, the channel steel selected as the connecting device of the combined member is the standard of the common channel steel, but the width of the inner side wall of the special-shaped channel steel is matched with the width of the outer side wall of the connecting device of the steel bar combined member, namely the standard of the special-shaped channel steel, and the special-shaped channel steel is required to be ordered in batch production in a steel mill and is used as the special-shaped channel steel; vertically digging notches 17 on two side walls of the special-shaped channel steel 16, wherein in order to enable the special-shaped channel steel to be as deep as possible to sleeve the component connecting device, the depth of the notch is 2/3 of the height of the side wall without being limited by steel bars, and the width of the notch is larger than the diameter of the steel bar to be connected; the number of the notches is the same as that of the reinforcing steel bars required to be connected with the two side walls respectively; the formed combined member is substantially the combined action of the connecting device of the steel bar combined member and the special-shaped channel steel; the width of the notch is more than or equal to the diameter of the steel bar to be connected, and the special-shaped channel steel is smoothly sleeved on the steel bar combined member connecting device when the high-efficiency connection is implemented on site; the number of the notches is the same as that of the strip-shaped reinforcing steel bar holes on the two side walls respectively; the special-shaped channel steel mainly enhances the tensile strength of the combined member, ensures that the connecting device of the steel bar combined member does not deform when being pulled, and achieves the steel bar connection with high efficiency, high quality, high strength and low cost.
The combined member can also adopt the combined member connecting device in a reinforcing steel bar connecting method between the structural support fulcrum and the convex beam, between the convex beam and the cavity plate member and between the cavity plate member and the cavity plate member; when special-shaped channel steel special for the unconditional fixed-production ordering is replaced by wide-type channel steel, the joint seam of the wide-type channel steel is welded by welding the joint seam after steel material filling processing is carried out on the joint seam of the wide-type channel steel.
It should be finally noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that the modifications or equivalent substitutions can be made to the specific embodiments of the present invention, and any modifications or equivalent substitutions that do not depart from the spirit and scope of the present invention should be covered by the claims of the present invention.
Claims (4)
1. An assembled prefabricated cavity plate rib beam steel bar connecting combined component is characterized in that the assembled prefabricated cavity plate rib beam steel bar connecting component consists of channel steel, strip-shaped steel bar holes and constraint steel pieces; strip-shaped steel bar holes for connecting prefabricated cavity plate rib beam steel bars are drilled in the wall of the groove steel; the restraining steel part adopts special-shaped channel steel and reacts on the outer edge of the side wall of the channel steel, and controls the wall of the channel steel to deform in a tensile way; the inner space width of the special-shaped channel steel is matched with the outer width of the side wall of the channel steel; n notches are prefabricated on two side walls of the special-shaped channel steel; the strip-shaped steel bar holes are perpendicular to the notches, and the crossed part is a steel bar connecting part.
2. The assembled prefabricated cavity plate rib beam reinforcing steel bar connecting combined member as claimed in claim 1, wherein the width of the notch is larger than the diameter of the required connecting reinforcing steel bar; the depth of the notch is larger than 2/3 of the height of the side wall of the profiled channel steel.
3. The assembled prefabricated cavity plate rib beam steel bar connecting combined component as claimed in claim 1, wherein the thickness of the bottom plate of the channel steel and the thickness of the side wall of the channel steel are more than or equal to 5 mm.
4. The assembled prefabricated cavity plate rib beam steel bar connecting combined member as claimed in claim 1, wherein the length of the channel steel is more than or equal to 100 mm; the width of the groove steel bottom plate is more than or equal to 80 mm; the height of the side wall of the channel steel is more than or equal to 60 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921006274.6U CN211286292U (en) | 2019-06-28 | 2019-06-28 | Prefabricated cavity slab rib roof beam steel bar connection built-up member of assembled |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921006274.6U CN211286292U (en) | 2019-06-28 | 2019-06-28 | Prefabricated cavity slab rib roof beam steel bar connection built-up member of assembled |
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| CN211286292U true CN211286292U (en) | 2020-08-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112982134A (en) * | 2021-03-10 | 2021-06-18 | 姚帅 | Combined steel beam used in bridge construction |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112982134A (en) * | 2021-03-10 | 2021-06-18 | 姚帅 | Combined steel beam used in bridge construction |
| CN112982134B (en) * | 2021-03-10 | 2022-06-24 | 姚帅 | Combined steel beam used in bridge construction |
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