Steel structure underhanging concrete side beam construction structure and construction method

Abstract

The application relates to a steel structure under-hung concrete side beam construction structure and a construction method, and relates to the field of building construction, which comprises the following steps of S1, steel beam installation; S2, floor steel bar frame installation: fixing the floor steel bar frame and the steel beam to form a floor pouring area; S3, formwork installation: surrounding the floor pouring cavity with two first formworks and two second formworks, a plurality of reserved holes are formed on the second formwork according to the diameters of the steel bars and the spacing between the steel bars, and the steel bars can pass through the reserved holes; S4, pouring the floor again, after the floor pouring is completed, the floor is solidified and maintained, and the next step construction is carried out; S5, side beam steel bar frame installation: a construction joint is reserved in the middle of the steel beam, the floor and the under-hung side beam are constructed in two times, and the side beam steel bar frame is fixed with the steel bars and the steel beam respectively; and S6, side beam pouring: fixing the side beam formwork with the side beam steel bar frame, at this time, the side beam formwork surrounds a side beam pouring cavity, and the side beam is poured, and the application has the effect of improving the construction difficulty.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of building construction, in particular to a steel structure under hanging concrete beam construction structure and construction method. BACKGROUND

[0002] At present, most of the building structure forms are steel structure frames, the steel structure is connected with the under hanging concrete beam, and the main structure can be formed. Since the under hanging concrete beam is a load-bearing structure, the upper part of the concrete beam is a masonry wall, so the reinforcement of the under hanging concrete beam is complex, there are a large number of electric welding operations, and according to the requirements, the floor steel bars must be pulled through to the under hanging concrete beam.

[0003] In the related art, the traditional concrete beam construction scheme first installs the steel structure, after the steel structure is installed, according to the design requirements, the beam formwork is installed to the appropriate position, the formwork is reinforced, then the steel bars of the beam are arranged in the formwork, the spacing between the steel bars is adjusted to the appropriate position according to the requirements, the steel reinforced concrete beam is bound, and the floor and the concrete beam are continuously poured at one time.

[0004] According to the related art in the above, the floor and the concrete beam are poured to connect the floor and the concrete beam, but in the one-time pouring of the floor and the concrete beam, the one-time pouring requires a larger amount of concrete supply and a more complex formwork support system, and a large-area one-time pouring may cause the concrete to shrink during the hardening process, which may require a longer pouring time, and the construction organization and site management requirements are higher, resulting in increased construction difficulty. SUMMARY

[0005] In order to improve the problem of increased construction difficulty, the present application provides a steel structure under hanging concrete beam construction structure and construction method.

[0006] The steel structure under hanging concrete beam construction structure and construction method provided by the present application adopts the following technical scheme:

[0007] A construction method of a steel structure under hanging concrete beam construction structure, comprising

[0008] S1: Steel beam installation: fixing and installing steel beams on a flat foundation, and splicing a plurality of steel beams into a steel structure;

[0009] S2: Floor steel bar frame installation: fixing the floor steel bar frame with the steel beam, and fixing the steel bar with the floor steel bar frame to form a floor pouring area;

[0010] S3: Formwork installation: taking out the formwork, connecting the first formwork and the second formwork with the floor steel bar frame, so that the two first formworks and the two second formworks enclose a floor pouring cavity, a plurality of reserved holes are formed on the second formwork according to the diameter of the steel bar and the spacing between the steel bars, at this time, the steel bar can pass through the reserved hole and be fixed;

[0011] S4: pouring the floor again, after the floor is poured and solidified, the next step is carried out after curing;

[0012] S5: edge beam reinforcement frame installation: the steel beam has a construction joint in the middle, the floor and the hanging edge beam are constructed in two times, and the edge beam reinforcement frame is fixed with the steel bar and the steel beam respectively;

[0013] S6: edge beam pouring: the edge beam formwork is fixed with the edge beam reinforcement frame, at this time, the edge beam formwork forms an edge beam pouring cavity, and the edge beam is poured.

[0014] Through the above technical scheme, when the hanging edge beam construction is needed, first, the steel beam is moved to the construction site and fixed and installed on the flat foundation, in this process, the steel beam is spliced into a steel structure according to the requirements, then the floor reinforcement frame is hoisted to the top of the steel structure by the hoisting mechanism, the floor reinforcement frame is fixed with the steel bar and the steel structure according to the construction requirements, so as to form a floor pouring area, the formwork is hoisted to the floor pouring area, the first formwork and the second formwork are placed in the appropriate position, the steel bar passes through the reserved hole in the second formwork, the first formwork and the second formwork are fixed, and the first formwork and the second formwork form a floor pouring cavity, the floor is poured, and the floor is vibrated after pouring, then, after the floor is solidified, the construction joint is left in the middle of the steel beam, the edge beam reinforcement frame is hoisted to the appropriate position by the hoisting mechanism, the edge beam reinforcement frame is connected with the steel bar and the steel beam, the edge beam formwork is fixed with the edge beam reinforcement frame, which can form an edge beam pouring cavity, the edge beam is poured, and the edge beam is vibrated, and the edge beam formwork is removed after the edge beam is solidified. Compared with the related art, the first formwork and the second formwork form a floor pouring cavity in the present application, the construction joint is left in the middle of the steel beam, the floor is poured first, the edge beam reinforcement frame and the edge beam formwork are installed after the floor is solidified, the edge beam is poured, the floor and the edge beam are constructed in two times, and the area poured each time is small, which is beneficial to improve the problem of increasing construction difficulty.

[0015] Optionally, a steel structure hanging concrete edge beam construction structure is used for a construction method of a steel structure hanging concrete edge beam construction structure, which comprises a plurality of fixed components, one of the fixed components corresponds to one of the reserved holes, the steel bar passes through the reserved hole, the fixed component is connected with the second formwork, the fixed component is located in the reserved hole, and the fixed component is used to seal the connection between the steel bar and the reserved hole.

[0016] By adopting the technical scheme, when the second formwork needs to be installed, first, the second formwork is hoisted to the floor pouring area by the hoisting mechanism, the second formwork is moved close to the steel bar, the steel bar passes through the fixing assembly, the second formwork is continuously moved until the second formwork is moved to a suitable position, and then the second formwork is fixed, the remaining second formwork and the first formwork are installed, and then the floor is poured, the fixing assembly is arranged, the fixing assembly seals the connection between the steel bar and the reserved hole, and the outflow of the concrete through the connection between the steel bar and the reserved hole is reduced.

[0017] Optionally, the fixing assembly comprises at least one fixing ring and an abutting piece, the fixing ring is located in the reserved hole, the fixing ring is coaxially arranged with the reserved hole, the fixing ring is connected with the second formwork, the steel bar passes through the fixing ring, the fixing ring seals the connection between the steel bar and the reserved hole, and the abutting piece is connected with the second formwork and fixes the steel bar.

[0018] By adopting the technical scheme, when the second formwork needs to be installed, the second formwork is moved close to the steel bar, the steel bar passes through the fixing ring, the second formwork is continuously moved until the second formwork is moved to a suitable position, then the abutting piece is started, the abutting piece can fix the steel bar, the steel bar can pass through the fixing ring, on the one hand, the abrasion of the steel bar and the second formwork is reduced; on the other hand, the outflow of the concrete through the connection between the steel bar and the reserved hole is reduced; and the abutting piece is arranged, so that the steel bar and the second formwork are fixed.

[0019] Optionally, the fixing assembly comprises at least one fixing ring and an abutting piece, the fixing ring is located in the reserved hole, the fixing ring is coaxially arranged with the reserved hole, the fixing ring is connected with the second formwork, the steel bar passes through the fixing ring, the fixing ring seals the connection between the steel bar and the reserved hole, and the abutting piece is connected with the second formwork and fixes the steel bar.

[0020] The fixing ring located in the reserved hole is a first sealing ring, the fixing ring located in the middle is a second sealing ring, and the fixing ring far away from the reserved hole is a third sealing ring, the second sealing ring is slidably and detachably connected to the first sealing ring, the second sealing ring moves along the axis direction of the reserved hole to the side away from or close to the first sealing ring, the second sealing ring can slide into the first sealing ring, the outer wall of the second sealing ring is attached to the inner wall of the first sealing ring, and the outer wall of the third sealing ring is attached to the inner wall of the second sealing ring in the same way, the steel bar can pass through the third sealing ring, and the outer wall of the steel bar is attached to the inner wall of the third sealing ring.

[0021] When the steel bar needs to be connected with the second formwork, first, the second formwork is moved close to the steel bar, the steel bar is moved close to the third sealing ring away from the floor pouring cavity, the steel bar is inserted into the third sealing ring, the second formwork is continuously pushed, at this time, the third sealing ring slides towards the first sealing ring, until the third sealing ring slides into the second sealing ring, then, the second sealing ring slides towards the first sealing ring, until the second sealing ring slides into the first sealing ring, the second formwork is continuously pushed, until the second formwork is moved to a suitable position; when the diameter of the steel bar is large, the third sealing ring is removed, the third sealing ring and the second sealing ring are separated, then, the steel bar is inserted into the second sealing ring, and the second sealing ring and the first sealing ring are separated, so that the steel bar can be inserted into the first sealing ring. By arranging the first sealing ring, the second sealing ring and the third sealing ring, on the one hand, the connection between the steel bar and the reserved hole can be sealed; on the other hand, the steel bar with different diameters can be connected with the second formwork.

[0022] Optionally, the inner wall of the fixing ring located in the reserved hole and the inner wall of the fixing ring located in the middle are both provided with a sliding groove, the arrangement direction of the sliding groove is consistent with the axis direction of the reserved hole, the outer wall of the fixing ring located in the middle and the outer wall of the fixing ring away from the reserved hole are both fixed with a sliding block, the sliding block on the fixing ring located in the middle slides in the sliding groove on the fixing ring located in the reserved hole along the length direction of the sliding groove, and the sliding block on the fixing ring away from the reserved hole slides in the sliding groove on the fixing ring located in the middle.

[0023] By adopting the above technical scheme, when the steel bar is inserted into the fixing ring away from the reserved hole, the fixing ring away from the reserved hole can slide towards the fixing ring located in the reserved hole, at this time, the sliding block on the fixing ring away from the reserved hole slides in the sliding groove on the fixing ring located in the middle, then, the fixing ring located in the middle slides towards the fixing ring located in the reserved hole, the sliding block on the fixing ring located in the middle slides in the sliding groove on the fixing ring located in the reserved hole, until the second formwork is adjusted to a suitable position. By arranging the sliding block and the sliding groove, the fixing ring is guided to slide.

[0024] Optionally, the fixing ring is detachably connected with a baffle at both ends of the sliding groove.

[0025] By adopting the above technical scheme, by arranging the baffle, on the one hand, the sliding block sliding in the sliding groove can reduce the situation that the sliding block slides out of the sliding groove; on the other hand, when the fixing ring needs to be separated, the corresponding baffle is only needed to be removed, and the sliding block of the fixing ring to be removed is separated from the sliding groove, so that the operation is facilitated.

[0026] Optionally, the abutting member comprises two abutting arc plates and a driving source, the two abutting arc plates are symmetrically distributed along the axial direction of the reserved hole, the two abutting arc plates are slidingly connected to the second formwork, the two abutting arc plates move towards each other or away from each other, the openings of the two abutting arc plates are towards each other, the two abutting arc plates fix the steel bars, the driving source is connected to the second formwork, and the driving source is connected to the abutting arc plates to drive the abutting arc plates to move.

[0027] By adopting the above technical scheme, when the second formwork moves to the appropriate position, the personnel starts the driving source, the driving source drives the abutting arc plates to move, at this time, the two abutting arc plates move towards each other, until the two abutting arc plates fix the steel bars, and the abutting arc plates and the driving source are arranged, so that the steel bars are fixed.

[0028] Optionally, it also comprises a side beam steel bar support and a side beam formwork, the side beam steel bar support is located at one end of the steel bars away from the floor pouring cavity, the side beam steel bar support is fixed to the floor steel bar support, the arrangement direction of the side beam steel bar support is perpendicular to the axial direction of the reserved hole, the side beam formwork is connected to the side beam steel bar support, and a plurality of side beam formworks enclose a side beam pouring cavity.

[0029] By adopting the above technical scheme, when the side beam needs to be poured, after the floor solidifies, the side beam steel bar support is moved to one end of the steel bars away from the floor pouring cavity through the hoisting mechanism, the side beam steel bar support is connected to the steel bars, then the side beam formwork is installed according to the construction requirements and is fixed to the side beam steel bar support, the side beam is poured, vibrated after pouring, and the side beam formwork is removed after the side beam solidifies; the side beam is conveniently poured.

[0030] Optionally, the driving source comprises two fixing seats and two abutting screws, one fixing seat corresponds to one abutting arc plate, the fixing seat is located on the side of the abutting arc plate away from the other abutting arc plate, the fixing seat is fixed to the second formwork, one abutting screw corresponds to one fixing seat, the abutting screw is rotatably connected to the abutting arc plate after being arranged in the fixing seat, and the abutting screw is threadedly connected to the fixing seat.

[0031] By adopting the above technical scheme, when the steel bars need to be fixed, the personnel successively screws the two abutting screws, the abutting screws drive the abutting arc plates to move, until the two abutting arc plates fix the steel bars, and the abutting screws are arranged, so as to drive the abutting arc plates to move and facilitate the operation of the personnel.

[0032] Optionally, a plurality of fastening components are further included, the plurality of fastening components are divided into two groups, one group of the fastening components corresponds to one of the second formworks, the plurality of fastening components on the same second formwork are also divided into two groups, and the two groups of fastening components are located at the ends of the second formwork respectively, the fastening components include bolts, the bolts are sequentially arranged on the second formwork and the first formwork, and the bolts can fix the second formwork and the first formwork.

[0033] By adopting the technical scheme, when the formwork needs to be installed, the first formwork and the second formwork are moved to a suitable position, then the bolts are taken out, the bolts are sequentially arranged on the second formwork and the first formwork, the bolts are screwed, the bolts can fix the second formwork and the first formwork, the first formwork and the second formwork enclose the floor pouring cavity, and the bolts are arranged, so that the first formwork and the second formwork are fixed.

[0034] In summary, the present application has at least one of the following beneficial technical effects:

[0035] 1. Compared with the related art, the first formwork and the second formwork enclose the floor pouring cavity, the steel beam has a construction joint in the middle, the floor is poured first, after the floor solidifies, the edge beam reinforcement frame and the edge beam formwork are installed, the edge beam is poured, the floor and the edge beam are constructed in two times, the area poured each time is small, and the problem that the construction difficulty increases is improved;

[0036] 2. The fixing component is arranged, the fixing component seals the connection between the reinforcement and the reserved hole, and the outflow of the concrete through the connection between the reinforcement and the reserved hole is reduced;

[0037] 3. The first sealing ring, the second sealing ring and the third sealing ring are arranged, on the one hand, the connection between the reinforcement and the reserved hole is sealed, and on the other hand, the reinforcement with different diameters is connected to the second formwork. BRIEF DESCRIPTION OF DRAWINGS

[0038] Figure 1 is a schematic view of the overall structure of the first perspective in the embodiment;

[0039] Figure 2 is a schematic view of the structure of the formwork in the embodiment;

[0040] Figure 3 is Figure 2 is an enlarged view of A in the embodiment;

[0041] Figure 4 is a sectional view of the fixing component in the embodiment;

[0042] Figure 5 is Figure 4 is an enlarged view of B in the embodiment;

[0043] Figure 6 is the overall structural schematic diagram of the second perspective in this embodiment;

[0044] Figure 7 is Figure 6 is an enlarged view of C in FIG. 4.

[0045] Label explanation: 1, steel beam; 2, floor steel reinforcement frame; 3, formwork; 31, first formwork; 32, second formwork; 321, reserved hole; 4, fastening assembly; 41, bolt; 5, fixing assembly; 51, fixing ring; 511, sliding groove; 512, baffle; 513, sliding block; 52, abutting piece; 521, abutting arc plate; 522, driving source; 5221, fixing seat; 5222, abutting screw; 6, edge beam reinforcement frame; 7, edge beam formwork. DETAILED DESCRIPTION

[0046] The following will be described in detail in combination with the accompanying Figures 1-7 The application is further described in detail.

[0047] The embodiments of the application disclose a steel structure under-hung concrete edge beam construction structure and a construction method.

[0048] In a first aspect, the embodiments of the application disclose a construction method of a steel structure under-hung concrete edge beam construction structure.

[0049] The construction method of the steel structure under-hung concrete edge beam construction structure comprises the following steps:

[0050] S1: line measurement: personnel measure and draw lines according to construction requirements to determine the construction site;

[0051] S2: steel beam 1 installation: fixing and installing the steel beam 1 on the flat foundation, hoisting the steel beam 1 to be installed to the appropriate position through a hoisting mechanism, and splicing a plurality of steel beams 1 into a steel structure according to the installation requirements;

[0052] S3: floor steel reinforcement frame 2 installation: hoisting the required floor steel reinforcement frame 2 to the top of the steel structure by using a hoisting mechanism, fixing the floor steel reinforcement frame 2 with the steel beam 1 according to the construction requirements, and then fixing the reinforcement with the floor steel reinforcement frame 2, so as to form a floor pouring area;

[0053] S4: formwork 3 installation: taking out the formwork 3, hoisting the formwork 3 to the floor pouring area by using a hoisting mechanism, and installing the formwork 3, so that the two first formworks 31 and the two second formworks 32 are fixedly connected with the floor steel reinforcement frame 2 to enclose a floor pouring cavity, at this time, the reinforcement can pass through the reserved hole 321, and the reinforcement is fixed by the fixing assembly 5;

[0054] S5: floor pouring: pouring the floor by using concrete until the floor pouring is completed;

[0055] S6: Vibration: the floor is vibrated, and after the floor is cured, the next step is carried out;

[0056] S7: Side beam reinforcement frame 6 installation: the steel beam 1 has a construction joint in the middle, the floor and the hanging side beam are constructed in two times, the side beam reinforcement frame 6 is hoisted to the end of the reinforcement away from the floor pouring cavity by using a hoisting mechanism, the side beam reinforcement frame 6 is adjusted to the appropriate position, and the side beam reinforcement frame 6 is fixed with the reinforcement and the steel beam 1 respectively;

[0057] S8: Side beam pouring: the side beam formwork 7 is fixed with the side beam reinforcement frame 6, at this time, the side beam formwork 7 surrounds the side beam pouring cavity, and the side beam is poured;

[0058] S9: Vibration: the side beam is vibrated, the side beam is cured, and the side beam formwork 7 is removed.

[0059] In a second aspect, the embodiments of the present application disclose a steel structure hanging concrete side beam construction structure for a construction method of the steel structure hanging concrete side beam construction structure.

[0060] Referring to Figure 1 , Figure 2 and Figure 3 , a steel structure hanging concrete side beam construction structure comprises a steel beam 1, a plurality of floor reinforcement frames 2, a formwork 3, a plurality of fastening assemblies 4 and a plurality of fixing assemblies 5, the steel beam 1 is arranged on a leveled foundation, the floor reinforcement frame 2 is arranged on the steel beam 1, the formwork 3 is arranged on the floor reinforcement frame 2, and the fastening assembly 4 and the fixing assembly 5 are arranged on the formwork 3.

[0061] Referring to Figure 1 , the number of the steel beams 1 is multiple, the multiple steel beams 1 are spliced into a steel structure building, the steel structure is fixedly connected to the ground through reinforcing screws, the multiple floor reinforcement frames 2 are located at the top of the steel structure, the floor reinforcement frame 2 is fixedly connected to the steel beam 1 through reinforcing screws, and the multiple floor reinforcement frames 2 surround a floor pouring area.

[0062] Referring to Figure 1 , the formwork 3 comprises two first formworks 31 and two second formworks 32, the two first formworks 31 are oppositely arranged and parallel to each other, the two second formworks 32 are oppositely arranged and parallel to each other, the two first formworks 31 and the two second formworks 32 are vertically arranged, the two first formworks 31 and the two second formworks 32 surround a floor pouring cavity, the first formwork 31 is detachably connected with the floor reinforcement frame 2 through screws, and the second formwork 32 is detachably connected with the floor reinforcement frame 2 through screws.

[0063] Referring to Figure 1The plurality of fastening assemblies 4 are divided into two groups, one group of fastening assemblies 4 corresponds to one second formwork 32, the plurality of fastening assemblies 4 on the same second formwork 32 are also divided into two groups, the two groups of fastening assemblies 4 are located at one end of the second formwork 32 respectively, and each group of fastening assemblies 4 is close to one first formwork 31, in the embodiment, the fastening assembly 4 comprises a bolt 41, the bolt 41 is sequentially arranged in the second formwork 32 and the first formwork 31, the bolt 41 is sequentially threadedly connected with the second formwork 32 and the first formwork 31, and the bolt 41 can fix the second formwork 32 and the first formwork 31.

[0064] With reference to Figure 1 , Figure 2 and Figure 3 , the first formwork 31 and the second formwork 32 can be installed with a concrete boundary beam, for the convenience of description, one second formwork 32 is selected for description; a plurality of steel bars are embedded when pouring the floor slab, a plurality of reserved holes 321 are arranged on the surface of the second formwork 32 according to the diameters of the steel bars and the spacing between the steel bars, the reserved holes 321 penetrate the second formwork 32 along the thickness direction of the second formwork 32, the steel bars pass through the reserved holes 321, one fixing assembly 5 corresponds to one reserved hole 321, the fixing assembly 5 comprises at least one fixing ring 51 and an abutting piece 52, in the embodiment, the number of the fixing rings 51 is three, one fixing ring 51 is located in the reserved hole 321, and the fixing ring 51 is coaxially arranged with the reserved hole 321, the fixing ring 51 is fixedly connected with the second formwork 32 through a screw, and the other two fixing rings 51 are located in the floor slab pouring cavity.

[0065] With reference to Figure 2 , Figure 3 and Figure 4The fixed ring 51 located in the reserved hole 321 is a first sealing ring, the fixed ring 51 located in the middle is a second sealing ring, and the fixed ring 51 far away from the reserved hole 321 is a third sealing ring. The second sealing ring is slidingly connected to the first sealing ring, and the second sealing ring can move along the axial direction of the reserved hole 321 to the side away from or close to the first sealing ring. The second sealing ring can slide into the first sealing ring, and the outer wall of the second sealing ring is in close contact with the inner wall of the first sealing ring. Similarly, the third sealing ring is slidingly connected to the second sealing ring, and the third sealing ring can move along the axial direction of the reserved hole 321 to the side away from or close to the first sealing ring. The third sealing ring can slide into the second sealing ring, and the outer wall of the third sealing ring is in close contact with the inner wall of the second sealing ring. The steel bar can pass through the third sealing ring, and the outer wall of the steel bar is in close contact with the inner wall of the third sealing ring. The first sealing ring, the second sealing ring and the third sealing ring can seal the connection between the reserved hole 321 and the steel bar, preventing the concrete from flowing out through the reserved hole 321.

[0066] Referring to Figure 3 , Figure 4 and Figure 5 The inner wall of the fixed ring 51 located in the reserved hole 321 and the inner wall of the fixed ring 51 located in the middle are both provided with a sliding groove 511, and the setting direction of the sliding groove 511 is consistent with the axial direction of the reserved hole 321. The fixed ring 51 is provided with a baffle 512 at both ends of the sliding groove 511, and the baffle 512 is detachably connected to the fixed ring 51 by screws. The outer wall of the fixed ring 51 located in the middle and the outer wall of the fixed ring 51 far away from the reserved hole 321 are both provided with a sliding block 513, and the sliding block 513 is fixedly connected to the fixed ring 51 by screws. The sliding block 513 is located in the sliding groove 511, and the side wall of the sliding block 513 is in close contact with the side wall of the sliding groove 511. The sliding block 513 on the fixed ring 51 located in the middle can slide in the sliding groove 511 on the fixed ring 51 located in the reserved hole 321 along the length direction of the sliding groove 511. The sliding block 513 on the fixed ring 51 far away from the reserved hole 321 can slide in the sliding groove 511 on the fixed ring 51 located in the middle.

[0067] Referring to Figure 6 and Figure 7The abutting piece 52 is located on the side of the second formwork 32 away from the floor pouring cavity, the abutting piece 52 comprises two abutting arc plates 521 and a driving source 522, the two abutting arc plates 521 are symmetrically distributed along the axis direction of the reserved hole 321, the two abutting arc plates 521 are slidingly connected to the second formwork 32, the two abutting arc plates 521 move towards or away from each other, the openings of the two abutting arc plates 521 are towards each other, and the two abutting arc plates 521 can fix the steel bars; the driving source 522 comprises two fixed seats 5221 and two abutting screws 5222, one fixed seat 5221 corresponds to one abutting arc plate 521, the fixed seat 5221 is located on the side of the abutting arc plate 521 away from the other abutting arc plate 521, the fixed seat 5221 is fixedly connected to the second formwork 32 through a screw, one abutting screw 5222 corresponds to one fixed seat 5221, the abutting screw 5222 is rotationally connected to the abutting arc plate 521 after being arranged in the fixed seat 5221, and the abutting screw 5222 is screwedly connected to the fixed seat 5221; when the steel bar passes through the third sealing ring, the second sealing ring is located in the first sealing ring, the third sealing ring is located in the second sealing ring, the abutting screw 5222 is screwed by a person, the abutting screw 5222 can drive the abutting arc plate 521 to move, and the steel bar is fixed by the two abutting arc plates 521; at this time, the second formwork 32 can be positioned.

[0068] With reference to Figure 6 The steel structure lower-hung concrete boundary beam construction structure further comprises a boundary beam steel bar support 6 and a plurality of boundary beam formworks 7, the boundary beam steel bar support 6 is arranged on the floor steel bar support 2, and the boundary beam formworks 7 are arranged on the boundary beam steel bar support 6.

[0069] With reference to Figure 6 The boundary beam steel bar support 6 is located at the end of the steel bar away from the floor pouring cavity, the boundary beam steel bar support 6 is located below the steel bar, and the boundary beam steel bar support 6 is vertically arranged, the arrangement direction of the boundary beam steel bar support 6 is perpendicular to the axis direction of the reserved hole 321, a construction joint is left in the middle of the steel beam 1, one end of the boundary beam steel bar support 6 extends into the steel bars, and the boundary beam steel bar support 6 is fixed by binding, the boundary beam steel bar support 6 is fixed with the steel beam 1 by means of a tie bar, the boundary beam formworks 7 are fixedly connected with the boundary beam steel bar support 6 by means of screws, the plurality of boundary beam formworks 7 enclose a boundary beam pouring cavity, the boundary beam is poured, and the boundary beam is vibrated.

[0070] The implementation principle of the steel structure under-hanging concrete side beam construction structure is as follows: first, the steel beam 1 is moved to the construction site, and the steel beam 1 is fixedly installed on the flat foundation, a plurality of steel beams 1 are spliced into a steel structure, then the floor steel bar frame 2 is hoisted to the top of the steel structure, the floor steel bar frame 2 and the steel beam 1 are fixed, and the steel bar is fixed with the floor steel bar frame 2 to form a floor pouring area, the formwork 3 is hoisted to the floor pouring area through a hoisting mechanism, and the floor pouring cavity is surrounded by the first formwork 31 and the second formwork 32, at this time, the steel bar passes through the reserved hole 321, the steel bar is fixed with the formwork 3 through the fixing assembly 5, the floor is poured, after the floor is solidified and cured, the steel beam 1 has a construction joint in the middle, the floor and the under-hanging side beam are constructed in two times, the side beam steel bar frame 6 and the side beam formwork 7 are installed, and the side beam is poured, and after the side beam is solidified and cured, the side beam is obtained.

[0071] When the formwork 3 needs to be installed, the formwork 3 is hoisted to the floor pouring area, the second formwork 32 is close to one end of the steel bar, the steel bar extends into the third sealing ring, the second formwork 32 is continuously pushed, at this time, the second sealing ring and the third sealing ring can slide towards the side close to the first sealing ring, after the second sealing ring and the third sealing ring move to the appropriate position, the steel bar passes through the third sealing ring, so that the steel bar passes through the reserved hole 321, then the person rotates the abutting screw 5222, the abutting screw 5222 drives the abutting arc plate 521 to move, the two abutting arc plates 521 move towards the side close to each other, until the two abutting arc plates 521 fix the steel bar, and the first formwork 31 and the second formwork 32 surround the floor pouring cavity.

[0072] The above are preferred embodiments of the present application, and are not limited to the protection scope of the present application, therefore: all equivalent changes made according to the structure, shape, principle of the present application should be covered in the protection scope of the present application.

Claims

1. A construction method for a steel structure with suspended concrete edge beams, characterized in that: Comprising S1: steel beam (1) installation: fixedly install steel beam (1) on a flat foundation, and splice multiple steel beams (1) into a steel structure; S2: floor steel bar frame (2) installation: fix floor steel bar frame (2) with steel beam (1), and then fix steel bars with floor steel bar frame (2) to form a floor pouring area; S3: formwork (3) installation: take out formwork (3), connect first formwork (31) and second formwork (32) with floor steel bar frame (2), enclose two first formwork (31) and two second formwork (32) to form a floor pouring cavity, and open multiple reserved holes (321) on second formwork (32) according to steel bar diameter and spacing between steel bars, at this time, steel bars can pass through reserved holes (321) and be fixed; S4: pour floor again, and after floor pouring is completed, wait for floor to solidify and cure, and then proceed to the next step of construction; S5: edge beam steel bar frame (6) installation: leave a construction joint in the middle of steel beam (1), and construct floor and lower hanging edge beam in two times, and fix edge beam steel bar frame (6) with steel bars and steel beam (1) respectively; S6: edge beam pouring: fix edge beam formwork (7) with edge beam steel bar frame (6), at this time, edge beam formwork (7) encloses an edge beam pouring cavity, and then pour edge beam.

2. The construction structure of the concrete side beam hung under the steel structure, which is used for the construction method of the construction structure of the concrete side beam hung under the steel structure according to claim 1, characterized in that: The fixing assembly (5) comprises at least one fixing ring (51) and an abutting piece (52), the fixing ring (51) is located in the reserved hole (321), the fixing ring (51) is coaxially arranged with the reserved hole (321), the fixing ring (51) is connected with the second formwork (32), the steel bar passes through the fixing ring (51), the fixing ring (51) seals the connection between the steel bar and the reserved hole (321), and the abutting piece (52) is connected with the second formwork (32) and fixes the steel bar.

3. The construction structure for the construction of the concrete edge beam hung under the steel structure according to claim 2, characterized in that: The fixing ring (51) is provided with three fixing rings (51), one of which is located in the reserved hole (321), and the other two are located in the floor pouring cavity, the three fixing rings (51) are distributed along the second formwork (32) where the reserved hole (321) is arranged to another second formwork (32), and the diameters of the three fixing rings (51) gradually decrease along the second formwork (32) where the reserved hole (321) is arranged to another second formwork (32).

4. The construction structure for the concrete edge beam under the steel structure according to claim 3, characterized in that: ​ The fixed ring (51) located in the reserved hole (321) is a first sealing ring, the fixed ring (51) located in the middle is a second sealing ring, and the fixed ring (51) far away from the reserved hole (321) is a third sealing ring; the second sealing ring is slidably detachably connected to the first sealing ring; the second sealing ring moves along the axis direction of the reserved hole (321) to the side far away from or close to the first sealing ring; the second sealing ring can slide into the first sealing ring; the outer wall of the second sealing ring is attached to the inner wall of the first sealing ring; similarly, the outer wall of the third sealing ring is attached to the inner wall of the second sealing ring; the steel bar can pass through the third sealing ring; and the outer wall of the steel bar is attached to the inner wall of the third sealing ring.

5. The construction structure for the concrete edge beam under the steel structure according to claim 4, characterized in that: The inner wall of the fixed ring (51) located in the reserved hole (321) and the inner wall of the fixed ring (51) located in the middle are both provided with a sliding groove (511); the setting direction of the sliding groove (511) is consistent with the axis direction of the reserved hole (321); the outer wall of the fixed ring (51) located in the middle and the outer wall of the fixed ring (51) far away from the reserved hole (321) are both fixed with a sliding block (513); the sliding block (513) on the fixed ring (51) located in the middle slides in the sliding groove (511) on the fixed ring (51) located in the reserved hole (321) along the length direction of the sliding groove (511); and the sliding block (513) on the fixed ring (51) far away from the reserved hole (321) slides in the sliding groove (511) on the fixed ring (51) located in the middle.

6. The construction structure for the concrete edge beam under the steel structure according to claim 5, characterized in that: The fixed ring (51) is detachably connected with a baffle (512) at both ends of the sliding groove (511).

7. The construction structure for the concrete beam under the steel structure according to claim 3, characterized in that: The abutting piece (52) comprises two abutting arc plates (521) and a driving source (522); the two abutting arc plates (521) are symmetrically distributed along the axis direction of the reserved hole (321); the two abutting arc plates (521) are slidably connected to the second formwork (32); the two abutting arc plates (521) move towards each other or away from each other; the openings of the two abutting arc plates (521) are towards each other; the two abutting arc plates (521) fix the steel bar; the driving source (522) is connected with the second formwork (32); and the driving source (522) is connected with the abutting arc plates (521) to drive the abutting arc plates (521) to move.

8. The construction structure for the lower hanging concrete beam of a steel structure according to claim 2, characterized in that: It also comprises a side beam steel bar support (6) and a side beam formwork (7); the side beam steel bar support (6) is located at one end of the steel bar far away from the floor pouring cavity; the side beam steel bar support (6) is fixed to the floor steel bar support (2); the setting direction of the side beam steel bar support (6) is perpendicular to the axis direction of the reserved hole (321); the side beam formwork (7) is connected with the side beam steel bar support (6); and a plurality of side beam formworks (7) enclose a side beam pouring cavity.

9. The construction structure for the concrete beam under the steel structure according to claim 7, characterized in that: The driving source (522) comprises two fixed seats (5221) and two abutting screws (5222), one of the fixed seats (5221) corresponds to one of the abutting arc plates (521), the fixed seat (5221) is located on the side of the abutting arc plate (521) away from the other abutting arc plate (521), and the fixed seat (5221) is fixed to the second mold plate (32); one of the abutting screws (5222) corresponds to one of the fixed seats (5221), the abutting screw (5222) is rotatably connected to the abutting arc plate (521) behind the fixed seat (5221), and the abutting screw (5222) is threadedly connected to the fixed seat (5221).

10. The construction structure for the concrete edge beam under the steel structure according to claim 2, characterized in that: Further comprising a plurality of fastening assemblies (4), the plurality of fastening assemblies (4) are divided into two groups, one group of the fastening assemblies (4) corresponds to one of the second mold plates (32), the plurality of fastening assemblies (4) on the same second mold plate (32) are also divided into two groups, and the two groups of fastening assemblies (4) are located at one end of the second mold plate (32), respectively; the fastening assembly (4) comprises a bolt (41), the bolt (41) is sequentially provided on the second mold plate (32) and the first mold plate (31), and the bolt (41) can fix the second mold plate (32) and the first mold plate (31).

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