CN209742220U - Prefabricated composite structure column based on corrugated web H-shaped steel - Google Patents
Prefabricated composite structure column based on corrugated web H-shaped steel Download PDFInfo
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- CN209742220U CN209742220U CN201920051666.8U CN201920051666U CN209742220U CN 209742220 U CN209742220 U CN 209742220U CN 201920051666 U CN201920051666 U CN 201920051666U CN 209742220 U CN209742220 U CN 209742220U
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Abstract
The utility model relates to a prefabricated integrated configuration post based on corrugated web H shaped steel the utility model discloses an in the prefabricated integrated configuration post based on corrugated web H shaped steel, because the web of H shaped steel is buckled into wave structure and all forms recess and bead that set up in turn at front and reverse side, like this, the concrete of pouring in first flute profile space and second flute profile space will be in the same place with recess and bead card, and, the connecting reinforcement who sets up between two pterygoid laminas also condenses together with the concrete, and thus, concrete in first flute profile space and the second flute profile space just can firmly combine with H shaped steel, be difficult for under the effect of gravity and with H shaped steel separation, just so just strengthen the bonding strength of concrete and H shaped steel, guarantee that the integrated configuration post has good bearing capacity.
Description
Technical Field
The utility model relates to a prefabricated integrated configuration post based on corrugated web H shaped steel.
Background
The well-known centers and the State Council of "several opinions on further strengthening the urban planning construction management work" point out that the assembly type buildings need to be popularized vigorously, so that the pollution of construction waste and flying dust is reduced, the construction period is shortened, and the engineering quality is improved. The requirements are "making the assembly building design, construction and acceptance criteria. And the standard of the parts of the building is perfected, and the factory production of the parts of the building is realized. Encouraging building enterprises to assemble construction and assemble on site. And constructing a national level assembly type building production base. The policy support strength is increased, and the time is about 10 years, so that the proportion of the assembled building in the newly built building is up to 30 percent. The steel structure building is actively and stably popularized.
The structural member form of the effective combination of the section steel and the concrete can replace the traditional section steel concrete column, reinforced concrete column or single steel structural column, and the structural member form a structural system as a vertical force transmission member.
the structural member form effectively combining the profile steel and the concrete has higher bearing capacity, so that the section size of the column is increased by 3-5% of the indoor usable area for the same building compared with the common reinforced concrete column. The column structure reduces the exposed area of the steel structure, thereby reducing the materials for corrosion prevention and fire prevention. The production, the processing, the transportation and the hoisting are well in accordance with the national policy of vigorously popularizing the assembly type building, so that the energy can be saved, the pollution is reduced, the construction period is shortened, and the engineering quality is improved.
The member form of the effective combination of the section steel and the concrete effectively combines the characteristics of two materials, and achieves higher bearing efficiency by smaller section size; the complex work of binding the steel bars and supporting the templates in the processing process is simplified, and the quality of the product can be better controlled; and the problems of difficult construction and quality control of the connecting joint in the construction of the common prefabricated reinforced concrete column are solved. Concrete in the traditional concrete structure steel column is not firmly combined with the steel column, and solidified concrete is easily separated from the surface of the steel column, so that the bearing capacity of the concrete structure steel column is influenced.
SUMMERY OF THE UTILITY MODEL
In view of the above shortcomings of the prior art, an object of the present invention is to provide a prefabricated composite structure column based on corrugated web H-shaped steel, which can enhance the bonding strength between concrete and H-shaped steel.
In order to achieve the above object, the utility model provides a prefabricated integrated configuration post based on corrugated web H shaped steel adopts following technical scheme: a prefabricated composite structure column based on corrugated web plate H-shaped steel comprises a web plate and wing plates connected to two side edges of the web plate, a first groove-shaped space is enclosed between the front surface of the web plate and the two wing plates, and a second groove-shaped space is enclosed between the back surface of the web plate and the two wing plates;
The first groove-shaped space and the second groove-shaped space are both provided with a plurality of connecting reinforcing steel bars arranged along the length direction of the web plate, and two ends of each connecting reinforcing steel bar are respectively connected to the two wing plates;
The web plate is bent into a wave structure, grooves and ribs which are alternately arranged are formed on the front surface and the back surface, and two ends of each groove or rib respectively extend to the two wing plates;
Concrete is poured into the first groove-shaped space and the second groove-shaped space, and the grooves are filled with the concrete and wrap the connecting reinforcing steel bars.
Preferably, the width of the web plate is equal to that of the wing plates, and two side edges of the web plate are respectively connected to the middle positions of the two wing plates.
Preferably, the web has a thickness of 2 to 6 mm.
Preferably, the distance between the connecting bar and the edge of the wing is 20 to 30 mm.
Preferably, the connecting bars have a diameter greater than or equal to 10 mm.
Preferably, the cross section of the groove is trapezoidal, rectangular or wedge-shaped.
Preferably, the concrete is a micro-expansive concrete.
With the utility model discloses a prefabricated integrated configuration post based on corrugated web H shaped steel correspondingly, still provide a method of the prefabricated integrated configuration post of preparation corrugated web H shaped steel for make above-mentioned technical scheme or its arbitrary preferred technical scheme prefabricated integrated configuration post based on corrugated web H shaped steel, including following operation step:
1) welding connecting reinforcing steel bars in a first groove-shaped space and a second groove-shaped space of the corrugated web H-shaped steel, wherein the connecting reinforcing steel bars are arranged along the length direction of the web, and two ends of each connecting reinforcing steel bar are respectively welded on the two wing plates;
2) Enabling the opening of a first groove-shaped space of the corrugated web plate H-shaped steel to face upwards, and pouring concrete in the first groove-shaped space;
3) After the concrete in the first groove-shaped space is solidified, turning over the corrugated web H-shaped steel to enable the second groove-shaped space to face upwards, and pouring the concrete in the second groove-shaped space;
4) and temporarily storing the manufactured H-shaped steel prefabricated composite structural column with the corrugated web plate after the concrete in the second groove-shaped space is solidified.
Preferably, in the step 3), after the concrete in the first trough-shaped space is set to be more than 70% of the unit strength, the corrugated web H-shaped steel is turned over, so that the second trough-shaped space faces upwards.
As above, the utility model relates to a prefabricated integrated configuration post based on corrugated web H shaped steel has following beneficial effect: the utility model discloses an in prefabricated integrated configuration post based on ripple web H shaped steel, because the web of H shaped steel is buckled into wave structure and all forms recess and the bead that sets up in turn at front and reverse side, like this, the concrete of pouring in first flute profile space and second flute profile space will be in the same place with recess and bead card, and, the connecting reinforcement that sets up between two pterygoid laminas also condenses with the concrete together, thus, concrete in first flute profile space and the second flute profile space just can firmly combine with H shaped steel, be difficult for under the effect of gravity and with H shaped steel separation, just so strengthen the bonding strength of concrete and H shaped steel, guarantee that the integrated configuration post has good bearing capacity.
drawings
Fig. 1 shows a front view of a prefabricated composite structure column based on corrugated web H-section steel of the present invention.
Fig. 2 shows a cross-sectional view of section a-a in fig. 1.
Fig. 3 is a cross-sectional view of section B-B of fig. 2.
FIG. 4a is a schematic diagram showing the structure of grooves and ribs on a web of the H-shaped steel, wherein the grooves and ribs are trapezoidal.
FIG. 4b is a schematic diagram showing the structure of the grooves and the ribs on the web of the H-shaped steel, wherein the grooves and the ribs are rectangular.
FIG. 4c is a schematic diagram showing the structure of the grooves and ribs on the web of the H-shaped steel, wherein the grooves and ribs are in an inverted trapezoid shape.
Element number
1 corrugated web H-shaped steel
2 web plate
3 wing plate
4 first groove-shaped space
5 second groove-shaped space
6 connecting steel bar
7 groove
8 bead
9 concrete
10 crossbeam
11 reinforcing plate
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
As shown in fig. 1 to 3, the utility model provides a prefabricated composite structure column based on corrugated web H-shaped steel, the corrugated web H-shaped steel 1 comprises a web 2 and wing plates 3 connected to two side edges of the web 2, a first groove-shaped space 4 is enclosed between the front surface of the web 2 and the two wing plates 3, and a second groove-shaped space 5 is enclosed between the back surface of the web 2 and the two wing plates 3; the first groove-shaped space 4 and the second groove-shaped space 5 are both provided with a plurality of connecting reinforcing steel bars 6 which are arranged along the length direction of the web 2, and two ends of each connecting reinforcing steel bar 6 are respectively connected to the two wing plates 3; the web 2 is bent into a wave structure, grooves 7 and ribs 8 which are alternately arranged are formed on the front surface and the back surface, and two ends of each groove 7 or each rib 8 extend to the two wing plates 3 respectively; concrete 9 is poured into the first groove-shaped space 4 and the second groove-shaped space 5, and the grooves 7 are filled with the concrete 9 and wrap the connecting reinforcing steel bars 6.
The utility model discloses an in prefabricated integrated configuration post based on ripple web H shaped steel, because the web 2 of H shaped steel is buckled into wave structure and all forms recess 7 and bead 8 that set up in turn at front and reverse side, like this, the concrete 9 of pouring in first flute profile space 4 and second flute profile space 5 will be in the same place with recess 7 and bead 8 card, and, connecting reinforcement 6 that sets up between two pterygoid laminas 3 also condenses together with concrete 9, thus, concrete 9 in first flute profile space 4 and the second flute profile space 5 just can firmly combine with H shaped steel, be difficult for under the effect of gravity and with H shaped steel separation, just so can strengthen the joint strength of concrete 9 and H shaped steel, guarantee that the integrated configuration post has good bearing capacity.
The utility model discloses a prefabricated integrated configuration post based on corrugated web H shaped steel can be at mill or on-the-spot prefabrication, installs after prefabricating and is used as the support post, can satisfy assembly type structure's needs like this. As shown in fig. 1 and 2, a reinforcing plate 11 may be provided at a portion where the support columns are connected to the cross member 10 or a portion where two support columns are connected to increase the strength of the connection portion. In order to make the integrated configuration post of making have better mechanical properties, as shown in fig. 3, the width of web 2 equals with pterygoid lamina 3's width, and the intermediate position at two pterygoid laminas 3 is connected respectively on 2 both sides limits of web, and corrugated web H shaped steel 1 can adopt steel sheet and buckled plate combination welding to form, the thickness of web 2 is 2 to 6 millimeters, can adopt the mode processing recess 7 and the bead 8 on the web 2 of stamping processing, under the prerequisite that satisfies 2 local stability of web, the steel volume for 2 webs of minimizing obtains more excellent economic nature. As shown in FIG. 3, the cross section of the prefabricated composite structural column is substantially square, the structures on both sides of the web 2 are substantially the same, and the mechanical property distribution of the composite structural column is relatively balanced.
the utility model discloses an in prefabricated integrated configuration post based on corrugated web H shaped steel, all be equipped with connecting reinforcement 6 in first flute profile space 4 and the second flute profile space 5, connecting reinforcement 6 vertically arranges along web 2 at web 2, vertically divide into encryption district and non-encryption district at web 2, and the encryption district interval is 1/4 shaped steel height and is not more than 100mm, and non-encryption district interval is 1/2 shaped steel height and is not more than 200mm, can not join in marriage longitudinal reinforcement in the concrete 9. Generally, the diameter of the connecting steel bar 6 is greater than or equal to 10 mm, and the distance between the connecting steel bar 6 and the edge of the wing plate 3 is 20-30 mm, so that the thickness of the concrete 9 protective layer of the connecting steel bar 6 is about 25 mm, which can ensure that the connecting steel bar 6 can be completely wrapped by the concrete 9, so as to be firmly combined with the concrete 9, and the concrete 9 is kept firmly combined with the H-shaped steel.
In the utility model discloses an among the prefabricated integrated configuration post based on corrugated web H shaped steel, the steel material of H shaped steel should adopt the carbon element structural steel of trade mark Q235-B.C.D level to and the low-alloy high strength structural steel of trade mark Q345-B.C.D.E, and its quality standard should accord with the regulation of current national standard "carbon element structural steel" GB700 and "low-alloy high strength structural steel" GB/T1951 respectively. The connecting steel bars should adopt HRB 400-grade hot rolled steel bars, and should meet the national standard of reinforced concrete steel part 2: hot rolled ribbed bar specification GB 1499.2. The connecting steel bar and the H-shaped steel can be connected in a welding mode, and the welding rod for manual welding meets the regulations of the current national standard GB5117 carbon steel welding rod or GB5118 Low alloy steel welding rod. The type of the selected welding rod is adapted to the strength of the main metal. Welding wires and fluxes for automatic or semi-automatic welding applications should be compatible with the bulk metal strength. The welding wire should meet the regulations of the current national standard GB/T14957 Steel wire for fusion welding. The strength grade of concrete poured in the first groove-shaped space and the second groove-shaped space is not smaller than C30, the concrete is micro-expansion concrete, and the design value of the micro-expansion concrete for limiting the expansion rate is between 0.015 and 0.025 percent.
The utility model discloses an among the prefabricated integrated configuration post based on corrugated web H shaped steel, the web 2 is buckled into wavy structure and all forms recess 7 and the bead 8 that sets up in turn at front and reverse side, please refer to fig. 4a to 4c, and 2 positive recesses 7 positions of web correspond the bead 8 positions of 2 reverse sides of web, and 2 positive beads 8 positions of web correspond the recess 7 positions of 2 reverse sides of web. As shown in fig. 4a, the cross-section of the groove 7 is trapezoidal, so that the concrete 9 can be poured into the groove 7 more easily; as shown in fig. 4a, the cross-section of the groove 7 may be rectangular, so that the rib 8 and the groove 7 on the web 2 are easier to machine and the concrete 9 is more tightly bound to the groove 7 or the rib 8; as shown in fig. 4c, the groove 7 is wedge-shaped, the bottom of the groove 7 is wider, and the opening is narrower, so that the groove 7 clamps the concrete 9 solidified therein and is not easy to fall off, and the concrete 9 is firmly combined with the H-shaped steel.
The utility model discloses a prefabricated integrated configuration post based on corrugated web H shaped steel can be used to the occasion that whole structural component adopted shaped steel concrete structure and the occasion that partial structural component adopted shaped steel concrete structure. The two types of structures are suitable for structural systems such as a frame structure, a frame-shear wall structure, a bottom large-space shear wall structure, a frame-core tube structure and the like. Experiments show that the corrugated web H-shaped steel 1 concrete 9 combined column has good deformation performance and energy consumption capability and is suitable for being used in earthquake areas.
The utility model discloses an in prefabricated integrated configuration post based on corrugated web H shaped steel, concrete 9 is poured in first flute profile space 4 and second flute profile space 5 of H shaped steel, and the concrete 9 that solidifies is blocked by recess 7 and bead 8 of web 2 both sides, and in addition, web 2 that adopts the ripple structure makes concrete 9 bigger with web 2's area of contact, increases the cohesiveness of concrete 9 and steel sheet, so, concrete 9 can keep combining well with H shaped steel. The utility model discloses a prefabricated integrated configuration post full play concrete 9's compressive property and H shaped steel structural feature based on corrugated web H shaped steel, the bearing capacity of great improvement post to have good antidetonation ductility and power consumption ability, be applicable to the earthquake district and adopt.
the utility model discloses an among the prefabricated integrated configuration post based on ripple web H shaped steel, concrete 9 forms a body structure with H shaped steel, has guaranteed concrete 9 and H shaped steel atress uniformity. The exposed outer surface area of the section steel is reduced by 2/3 after the concrete 9 is filled, and the treatment area for corrosion prevention and fire prevention of the steel structure is reduced. Due to the fact that the concrete 9 is filled, under the condition that the wrapping size of the column is not increased, the bearing capacity of the H-shaped steel column is greatly improved, and the problem that the stability of the H-shaped steel column is poor is solved.
The utility model discloses a column base and the basis of prefabricated integrated configuration post based on corrugated web H shaped steel adopt articulated, rigid connection all can. If the prefabricated composite structure column based on the corrugated web H-shaped steel needs to be connected with other components, or an upper prefabricated composite structure column and a lower prefabricated composite structure column based on the corrugated web H-shaped steel need to be connected together, certain space is reserved at the splicing positions of the upper column and the lower column of the section steel column filled with concrete at the enclosing position of the flange of the corrugated web H-shaped steel 1 and the web 2 when the prefabricated column is prefabricated in a factory, the upper column and the lower column are connected through section steel welding or bolts, the concrete is poured at the connecting positions of the upper column and the lower column after the hoisting in a construction site is completed, and the concrete adopts micro-expansion fine stone concrete. The upper column and the lower column of the section steel concrete column can be in strong connection by welding or high-strength bolts and the like, the construction reserved space between the upper column and the lower column is subjected to secondary pouring by using micro-expansion fine stone concrete, the connection is reliable, and the construction is simple. The member can be used in a structural system of a reinforced concrete beam or a structural system of a steel reinforced concrete beam, and can also be used in a structural system of a steel beam, beam column joints can be welded or bolted, and the member can be installed on site after being processed in a factory, so that the application range is very wide. The utility model discloses industrial standard production degree is high, easily realizes design, production, construction integration, improves assembled building industrialization level.
With the utility model discloses a prefabricated integrated configuration post based on corrugated web H shaped steel is corresponding, the utility model discloses still provide a method of 1 prefabricated integrated configuration posts of preparation corrugated web H shaped steel for make above-mentioned technical scheme or its arbitrary preferred technical scheme prefabricated integrated configuration post based on corrugated web H shaped steel, including following operation step:
1) Welding connecting reinforcing steel bars 6 in a first groove-shaped space 4 and a second groove-shaped space 5 of the corrugated web H-shaped steel 1, wherein the connecting reinforcing steel bars 6 are arranged along the length direction of the web 2, and two ends of each connecting reinforcing steel bar 6 are respectively welded on the two wing plates 3;
2) The opening of the first groove-shaped space 4 of the corrugated web H-shaped steel 1 faces upwards, and concrete 9 is poured into the first groove-shaped space 4;
3) After the concrete 9 in the first groove-shaped space 4 is solidified, turning the corrugated web H-shaped steel 1 to enable the second groove-shaped space 5 to face upwards, and pouring the concrete 9 in the second groove-shaped space 5;
4) And temporarily storing the fabricated H-shaped steel 1 prefabricated composite structural column with the corrugated web after the concrete 9 in the second groove-shaped space 5 is solidified.
the utility model discloses a method of 1 prefabricated integrated configuration post of preparation ripple web H shaped steel certainly has the utility model discloses a beneficial effect of a prefabricated integrated configuration post based on ripple web H shaped steel, no longer give unnecessary details here. The method for manufacturing the corrugated web H-shaped steel 1 prefabricated composite structure column is simple and convenient, the H-shaped steel is horizontally laid, the concrete 9 can be poured, a template is not needed, and the H-shaped steel member can be turned over for 1 time to finish the pouring of the whole concrete 9. Need not ligature reinforcing bar and strut template, the construction of being convenient for, reduce cost.
Preferably, in the step 3), after the concrete 9 in the first trough-shaped space 4 is set to over 70% of the rated strength, the corrugated web H-section steel 1 is turned over so that the second trough-shaped space 5 faces upwards. Therefore, the concrete 9 can keep enough bonding strength with the H-shaped steel, the H-shaped steel is not easy to separate from the concrete 9 in the process of overturning the H-shaped steel, and the manufacturing time can be saved.
To sum up, the utility model discloses various shortcomings in the prior art have effectively been overcome and high industry value has.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (7)
1. a prefabricated composite structure column based on corrugated web H-shaped steel is characterized in that the corrugated web (2) H-shaped steel (1) comprises a web (2) and wing plates (3) connected to two side edges of the web (2), a first groove-shaped space (4) is enclosed between the front surface of the web (2) and the two wing plates (3), and a second groove-shaped space (5) is enclosed between the back surface of the web (2) and the two wing plates (3);
The first groove-shaped space (4) and the second groove-shaped space (5) are both provided with a plurality of connecting reinforcing steel bars (6) which are arranged along the length direction of the web plate (2), and two ends of each connecting reinforcing steel bar (6) are respectively connected to the two wing plates (3);
The web (2) is bent into a wave structure, grooves (7) and ribs (8) which are alternately arranged are formed on the front surface and the back surface, and two ends of each groove (7) or each rib (8) respectively extend to the two wing plates (3);
Concrete (9) is poured into the first groove-shaped space (4) and the second groove-shaped space (5), and the grooves (7) are filled with the concrete (9) and wrap the connecting steel bars (6).
2. The prefabricated composite structural column based on corrugated web H-shaped steel according to claim 1, wherein: the width of the web plate (2) is equal to that of the wing plates (3), and two side edges of the web plate (2) are respectively connected to the middle positions of the two wing plates (3).
3. The prefabricated composite structural column based on corrugated web H-shaped steel according to claim 1, wherein: the thickness of the web (2) is 2 to 6 mm.
4. The prefabricated composite structural column based on corrugated web H-shaped steel according to claim 1, wherein: the distance between the connecting reinforcing steel bar (6) and the edge of the wing plate (3) is 20-30 mm.
5. The prefabricated composite structural column based on corrugated web H-shaped steel according to claim 1, wherein: the diameter of the connecting steel bar (6) is larger than or equal to 10 mm.
6. The prefabricated composite structural column based on corrugated web H-shaped steel according to claim 1, wherein: the cross section of the groove (7) is trapezoidal, rectangular or wedge-shaped.
7. The prefabricated composite structural column based on corrugated web H-shaped steel according to claim 1, wherein: the concrete (9) is micro-expansive concrete (9).
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| CN201920051666.8U CN209742220U (en) | 2019-01-10 | 2019-01-10 | Prefabricated composite structure column based on corrugated web H-shaped steel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109736511A (en) * | 2019-01-10 | 2019-05-10 | 上海电气电站环保工程有限公司 | Prefabricated composite structural column based on Ripple Sternum and preparation method thereof |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109736511A (en) * | 2019-01-10 | 2019-05-10 | 上海电气电站环保工程有限公司 | Prefabricated composite structural column based on Ripple Sternum and preparation method thereof |
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Address after: 200040, No. 1287, West Beijing Road, Shanghai, Jingan District, No. 25 Patentee after: SEC-IHI Power Generation Environment Protection Engineering Co., Ltd. Address before: 200040 25th Floor, 1287 Beijing West Road, Songjiang District, Shanghai Patentee before: SEC-IHI Power Generation Environment Protection Engineering Co., Ltd. |