CN220247339U - Novel steel bar truss floor carrier plate free of form removal and construction structure thereof - Google Patents

Abstract

The utility model discloses a novel steel bar truss floor support plate free of form removal and a construction structure thereof. The steel bar truss floor support plate comprises a bottom die steel plate, wherein a plurality of groups of web member steel bars are arranged on the bottom die steel plate along the transverse direction at intervals, each group of web member steel bars comprises two web member steel bars which are arranged in a splayed symmetrical mode, an upper chord steel bar which is arranged along the transverse direction is connected between the upper parts of the two web member steel bars of each group, and lower chord steel bars which are arranged along the transverse direction are connected to the lower parts of the two web member steel bars of each group. The construction structure comprises the novel steel bar truss floor support plate free of form removal and further comprises a beam template which is longitudinally arranged. The galvanized steel sheet at the bottom of the truss floor support plate is used as a template, so that the floor support plate can omit the procedures and the cost of formwork supporting and formwork removing, is attractive and durable, can reduce the work load of site reinforcement binding by about 70%, can greatly improve the construction efficiency and can reduce the construction cost.

Description

Novel steel bar truss floor carrier plate free of form removal and construction structure thereof

Technical Field

The utility model belongs to the technical field of building floor support plate construction, and particularly relates to a novel steel bar truss building support plate free of form removal and a construction structure thereof.

Background

The building with the steel structure is continuously developed, and the construction speed of the steel structure adopted by the main body of the building is difficult to keep up with the construction method of the traditional site pouring plate, so that the overall construction progress is influenced. The construction of the site pouring plate needs to build auxiliary facilities such as templates, scaffolds and the like, so that the overall construction flow is disjointed.

Disclosure of Invention

The utility model aims at: the utility model provides a novel steel bar truss floor support plate free of form removal and a construction structure thereof, and solves the problem of low construction efficiency of a traditional construction method for a site pouring plate.

The galvanized steel plate at the bottom of the truss floor support plate is used as a template, the floor support plate can omit the procedures and the cost of formwork supporting and formwork removing, is attractive and durable, can reduce the on-site steel bar binding workload by about 70%, can greatly improve the construction efficiency and reduce the construction cost, and in addition, the steel bars are uniformly arranged, the distance between the upper layer of steel bars and the lower layer of steel bars and the thickness of the concrete protective layer can be fully ensured, thereby creating favorable conditions for improving the construction quality of the floor.

The aim of the utility model is achieved by the following technical scheme:

the utility model provides a exempt from to tear open novel steel bar truss building carrier plate, includes the die block steel sheet, is equipped with a plurality of groups along horizontal and interval arrangement's web member reinforcing bar on the die block steel sheet, and every group web member reinforcing bar is including being splayed symmetrical arrangement's two, is connected with the last string reinforcing bar along horizontal arrangement between the upper portion of every two web member reinforcing bars of group, and the lower part of every two web member reinforcing bars of group all is connected with the lower string reinforcing bar along horizontal arrangement.

Further, the web member steel bar comprises a vertical face triangular section and a horizontal U-shaped section which are alternately arranged, the upper end angle of the vertical face triangular section is connected with the upper chord steel bar, the lower two angles of the vertical face triangular section are connected with the lower chord steel bar, and the horizontal U-shaped section is connected with the bottom die steel plate.

Further, the bottom die steel plate is a galvanized steel plate.

Further, the steel plate bottom die further comprises end supports located at the ends of the upper chord steel bars and the lower chord steel bars, each end support comprises a support vertical steel bar and a support horizontal steel bar which are connected with each other, each support vertical steel bar is connected between the upper chord steel bar and the bottom die steel plate, and each support horizontal steel bar is connected between the two lower chord steel bars.

Further, one end of the bottom die steel plate is provided with a buckling part A, and the other end of the bottom die steel plate is provided with a buckling part B matched with the buckling part A.

Further, the bottom die steel plate is provided with a boss part, and the boss part is connected with web member steel bars.

The utility model provides a novel steel bar truss building carrier plate's of exempting from to unpick construction structure, includes foretell novel steel bar truss building carrier plate of exempting from to unpick still includes longitudinal arrangement's beam form board, beam form board connect between two adjacent die block steel sheets of interval, the upper end and the die block steel sheet of beam form board are connected, be equipped with in the beam form board and stretch to the roof beam internal reinforcement of die block steel sheet top, pass through transition rebar connection between last chord rebar on two adjacent die block steel sheets of interval, lower chord rebar, connect through the lock between two directly adjacent die block steel sheets.

Further, the beam template comprises a supporting frame, the supporting frame supports three end faces of the beam template through the battens, and the beam template is connected with the battens at the upper end through iron nails.

Further, the bottom die steel plate is provided with plate surface ribs which are arranged in the same direction with the upper chord steel bars.

Further, the two bottom die steel plates adjacent at intervals are arranged in a reverse mode relative to the beam template, upper chord steel bars on the two bottom die steel plates adjacent at intervals are connected through transverse upper chord connecting steel bars, lower chord steel bars on the two bottom die steel plates adjacent at intervals are connected through transverse lower chord connecting steel bars, and longitudinal distributing steel bars are connected between the lower chord steel bars.

Further, the two bottom die steel plates adjacent at intervals are arranged in a reverse mode relative to the beam template, upper chord steel bars on the two bottom die steel plates adjacent at intervals are connected through transverse support negative bars, and lower chord steel bars on the two bottom die steel plates adjacent at intervals are connected through transverse distribution bars.

Further, one of the two adjacent bottom die steel plates at intervals is arranged in a positive direction, the other one of the two adjacent bottom die steel plates is arranged in a reverse direction, upper chord steel bars on the two adjacent bottom die steel plates at intervals are connected through transverse support negative bars, and lower chord steel bars on the two adjacent bottom die steel plates at intervals are connected through transverse distribution bars.

The utility model has the beneficial effects that:

1. the novel steel bar truss floor carrier plate realizes mechanized production, is favorable for uniform arrangement space of steel bars and consistent thickness of a concrete protection layer, and ensures pouring and forming quality of concrete floors.

2. The assembled steel bar truss floor carrier plate can obviously reduce the field steel bar binding engineering quantity, quicken the construction progress, increase the construction safety guarantee and realize civilized construction.

3. The steel bar truss floor support plate is one of the most common types of floor support plates, and the steel bars are adopted in the steel bar truss floor support plate, so that the stability of the steel bar truss floor support plate is higher, and the service life of the steel bar truss floor support plate is longer.

4. Compared with the common profiled steel sheet, the bottom plate of the steel bar truss floor support plate is only used as a template, the thinnest steel plate can be adopted as far as possible, the thickness of the steel bar truss floor support plate is only required to be 0.5mm, the cost of the steel bar truss floor support plate is reduced to a certain extent, meanwhile, compared with the thickness of the traditional concrete floor, the thickness of the floor poured by the steel bar truss floor support plate is reduced by 30-50mm, if the same clear space is required to be formed in a building, the building cost of a space of 30-50mm can be saved in each building, and the steel bar truss floor support plate has obvious investment saving advantage for high-rise buildings.

5. After construction is completed, the steel bar truss is completely wrapped by concrete, the thickness of the poured concrete protection layer is uniform, and the floor adopts galvanized steel plates, so that the steel bar truss has good anti-corrosion performance.

The foregoing inventive subject matter and various further alternatives thereof may be freely combined to form a plurality of alternatives, all of which are employable and claimed herein; and the utility model can be freely combined between the (non-conflicting choices) choices and between the choices and other choices. Various combinations will be apparent to those skilled in the art from a review of the present disclosure, and are not intended to be exhaustive or all of the present disclosure.

Drawings

Fig. 1 is a structural elevation view of the steel bar truss floor carrier plate of the present utility model.

Fig. 2 is a side view (in cross section) of the structure of the steel bar truss floor carrier plate of the present utility model.

Fig. 3 is a structural side view of the end support of the steel bar truss floor deck of the present utility model.

Fig. 4 is a schematic diagram of the arrangement of gluten in a panel of a construction structure according to the present utility model.

Fig. 5 is a schematic view of a construction node according to the present utility model.

Fig. 6 is a schematic view of a construction node two structure of the present utility model.

Fig. 7 is a schematic view of a construction node three-structure of the present utility model.

Fig. 8 is a schematic view of a buckling structure of a steel bar truss floor carrier plate of the construction structure of the utility model.

In the figure: 1-upper chord steel bars, 2-lower chord steel bars, 3-web member steel bars, 4-bottom die steel plates, 5-end supports, 6-support vertical steel bars, 7-support horizontal steel bars, 8-buckling parts A, 9-buckling parts B, 10-boss parts, 11-plate gluten, 12-support frames, 13-beam templates, 14-battens, 15-beam inner steel bars, 16-upper chord connecting steel bars, 17-lower chord connecting steel bars, 18-iron nails, 19-distributing steel bars and 20-support negative steel bars.

Detailed Description

The following non-limiting examples illustrate the utility model.

Example 1

Referring to fig. 1 to 3, a novel steel bar truss floor support plate free of demolding comprises an upper chord steel bar 1, a lower chord steel bar 2, web member steel bars 3, a bottom die steel plate 4, an end support 5 (comprising a support vertical steel bar 6 and a support horizontal steel bar 7), a buckling part A8, a buckling part B9 and a boss part 10.

Referring to fig. 1 and 2, the bottom die steel plate 4 is a 0.5mm thick galvanized steel plate for use as a die plate for the bottom. Be equipped with a plurality of groups along horizontal and interval arrangement's web member reinforcing bar 3 (diameter 4.5 mm) on the die block steel sheet 4, every group web member reinforcing bar 3 is including being splayed symmetrical arrangement's two, welded connection has along horizontal arrangement's last string reinforcing bar 1 (diameter 10mm/8 mm) between the upper portion of two web member reinforcing bars 3 of every group, and the equal welded connection of lower part of two web member reinforcing bars 3 of every group has along horizontal arrangement's lower string reinforcing bar 2 (diameter 10mm/8 mm).

Each web member steel bar 3 comprises a vertical face triangular section and a horizontal U-shaped section which are alternately arranged, wherein the upper end angle of the vertical face triangular section is in welded connection with the upper chord steel bar 1, the lower two angles of the vertical face triangular section are in welded connection with the lower chord steel bar 2, and the horizontal U-shaped section is in welded connection with the boss part 10 on the bottom die steel plate 4, so that an upper steel bar truss structure is formed.

Referring to fig. 3, the steel bar support further comprises end supports 5 positioned at the ends of the upper chord steel bar 1 and the lower chord steel bar 2, the end supports 5 comprise support vertical steel bars 6 and support horizontal steel bars 7 which are connected with each other in a welded mode, the support vertical steel bars 6 are connected between the upper chord steel bar 1 and the bottom die steel plate 4 in a welded mode, the support horizontal steel bars 7 are connected between the two lower chord steel bars 2 in a welded mode, and the ends of the upper chord steel bar 1 and the lower chord steel bar 2 are supported and fixed through the end supports 5.

One end of the bottom die steel plate 4 is provided with a buckling part A8, the other end of the bottom die steel plate 4 is provided with a buckling part B9 matched with the buckling part A8, and the buckling connection between the buckling part A8 and the buckling part B9 is utilized to realize the connection between two directly adjacent bottom die steel plates 4, so that slurry leakage of a connection gap is avoided. The bottom die steel plate 4 is also provided with a boss part 10, and the boss part 10 is welded and connected with the web member reinforcing steel bars 3.

Example 2

Referring to fig. 4 to 8, a construction structure of a novel steel bar truss floor support plate without form removal includes the novel steel bar truss floor support plate without form removal of embodiment 1, and further includes a plate surface rib 11, a support frame 12, a beam template 13, a batten 14, a beam inner steel bar 15, an upper chord connection steel bar 16, a lower chord connection steel bar 17, iron nails 18, a distribution rib 19 and a support negative rib 20.

The support frame 12 adopts a disc buckle type steel pipe support frame, and the support frame 12 is utilized to support the beam template 13, so that the fixed installation of the beam template 13 is realized. The beam templates 13 are longitudinally arranged, meanwhile, the beam templates 13 are connected between two adjacent bottom die steel plates 4 at intervals (namely, the two bottom die steel plates 4 at intervals exist), the upper ends of the beam templates 13 are connected with the bottom die steel plates 4, the bottom die steel plates 4 are supported by the beam templates 13, and the fixed installation of the steel bar truss floor bearing plates is realized. The beam template 13 is internally provided with beam inner steel bars 15 extending to the upper part of the bottom die steel plate 4, and the beam inner steel bars 15 are steel bar frameworks inside the poured beam structure.

The upper chord steel bars 1 and the lower chord steel bars 2 on the two bottom die steel plates 4 adjacent at intervals are connected through transition steel bars, the steel bar trusses on the two bottom die steel plates 4 adjacent at intervals are connected into a whole through the transition steel bars, the whole structure is more firm, the transition steel bars can be connected with the steel bars 15 in the beam, and the connection strength is further enhanced.

Referring to fig. 8, two directly adjacent bottom die steel plates 4 (i.e., two bottom die steel plates 4 with overlapping joints) are connected by buckling, that is, the buckling part a 8 of one bottom die steel plate 4 is buckled and connected to the buckling part b 9 of the other bottom die steel plate 4, and by using the structure of the buckling, the ends of the two bottom die steel plates 4 can be connected, and the sealing effect of the joints can be realized by using the multi-bending structure.

Referring to fig. 4, the bottom die steel plate 4 is provided with plate ribs 11 which are arranged in the same direction as the upper chord steel bars 1, when the interval a between the plate ribs 11 is affected by the upper chord ribs of the truss, the gluten close to the upper chord ribs can be directly bound together with the upper chord ribs, the interval is b at this time, and the interval between the gluten is kept to be a.

The beam template 13 is of a U-shaped section structure, the outside of the beam template 13 is provided with battens 14, the support frame 12 supports three end faces of the beam template 13 through the battens 14, and the bottom die steel plate 4 is connected with the battens 14 at the upper end through iron nails 18, so that the beam template 13 supports the bottom die steel plate 4.

The two bottom die steel plates 4 adjacent at intervals have three positions relative to the beam template 13, each position corresponds to a different kind of connecting node, and the beam template 13 is used as a longitudinal arrangement for description.

Referring to fig. 5, in the first embodiment, two bottom die steel plates 4 adjacent to each other at intervals are arranged in opposite directions relative to a beam die plate 13, upper chord steel bars 1 on two bottom die steel plates 4 adjacent to each other at intervals are connected in a binding manner through transverse upper chord connecting steel bars 16, the upper chord connecting steel bars 16 are in an inverted U-shaped structure, lower chord steel bars 2 on two bottom die steel plates 4 adjacent to each other at intervals are connected in a binding manner through transverse lower chord connecting steel bars 17, the lower chord connecting steel bars 17 are in a positive-buckled U-shaped structure, and longitudinal distributing bars 19 are connected in a binding manner between the lower chord steel bars 2.

Referring to fig. 6, in the second type, two adjacent bottom die steel plates 4 are arranged in opposite directions relative to the beam template 13, the upper chord steel bars 1 on the two adjacent bottom die steel plates 4 are connected through transverse support negative bars 20, the support negative bars 20 are of a inverted U-shaped structure, the lower chord steel bars 2 on the two adjacent bottom die steel plates 4 are connected through transverse distributing bars 19, and the distributing bars 19 of the nodes are arranged in a full length mode.

Referring to fig. 7, in the third embodiment, one of the two adjacent bottom die steel plates 4 is arranged in a forward direction, the other one of the two adjacent bottom die steel plates 13 is arranged in a reverse direction, the upper chord steel bars 1 on the two adjacent bottom die steel plates 4 are connected through transverse support negative bars 20, the support negative bars 20 are in a reverse-buckled U-shaped structure, the lower chord steel bars 2 on the two adjacent bottom die steel plates 4 are connected through transverse distribution bars 19, and the distribution bars 19 of the node extend to only the end positions in the bottom die steel plates 4 arranged in the reverse direction.

A construction method of a novel steel bar truss floor support plate free of form removal aims at the construction structure of the novel steel bar truss floor support plate free of form removal, and comprises the following steps.

Step 1, erecting a supporting frame: a full-hall supporting frame is erected before the steel bar truss floor supporting plate is installed, the vertical and horizontal spacing of the vertical rods is 1200mm, the step distance is 1500mm, the distance between the vertical rod and the floor sweeping rod is less than or equal to 550mm, the length of the horizontal rod of the top layer extending out of the adjustable bracket of the template bracket is less than or equal to 650mm, the exposed length of the screw rod is less than or equal to 400mm, and the length of the adjustable bracket inserted into the vertical rod is not less than 150mm. The top of the vertical rod adopts an adjustable support, and the number of steel pipes in the support is two.

Step 2, installing a beam template on a support frame: the support frame is used as a support foundation to install and fix the beam template, and the outside of the beam template is supported through the battens, so that the beam template is prevented from expanding after pouring.

Step 3, installing a steel bar truss floor support plate: after the beam template is installed, before the steel bar truss floor support plate is paved, a datum line for paving the plate is placed according to a starting position shown in a drawing, the datum line is aligned, a first plate is installed, other plates are installed in sequence, and non-standard plate ending is adopted.

Fixing the steel bar truss floor bearing plates adjacent in intervals on a beam template, wherein the joint of the steel bar truss floor bearing plates and the beam template is flushed with the beam edge on a beam template side die, fixing the bottom die steel plates at the end parts of the steel bar truss floor bearing plates and the side dies of the beams or columns firmly by iron nails after the steel bar truss floor bearing plates are in place, and supporting and mounting the steel bar truss floor bearing plates by using the beam template, wherein the distance between the iron nails is less than or equal to 200 mm.

The two directly adjacent steel bar truss floor support plates are connected in a buckling manner, the draw hooks between the plates are tightly connected, slurry leakage is avoided during concrete pouring, and meanwhile, the direction of the plates is consistent.

Step 4, laying a wire pipe: the electric junction box is pre-buried in advance, can be fixed on the galvanized sheet first, allows to bore the aperture of phi 30 mm and below, and the drilling should be careful, avoids steel bar truss building carrier plate to warp and truss and galvanized bottom die steel sheet die block to weld, influences the outward appearance or leads to leaking thick liquid. When the pipeline is laid, any steel bars of the steel bar truss are forbidden to be pulled and cut off at will.

Step 5, binding reinforcing steel bars: and placing the steel bars in the beam, binding plate gluten parallel to the direction of the steel bar truss floor support plate and distributing ribs (plate bottom ribs) perpendicular to the direction of the steel bar truss floor support plate.

And 6, checking and accepting and pouring concrete: before concrete pouring, the installation of the steel bar truss floor support plate and other projects should be completed and checked to be qualified, sundries (comprising porcelain rings on bolts), dust, grease and the like on the floor support plate must be removed, and finally the concrete is poured and maintained.

The foregoing basic embodiments of the utility model, as well as other embodiments of the utility model, can be freely combined to form numerous embodiments, all of which are contemplated and claimed. In the scheme of the utility model, each selection example can be arbitrarily combined with any other basic example and selection example.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. The utility model provides a novel steel bar truss building carrier plate of form removal exempts from, includes die block steel sheet (4), its characterized in that: the bottom die steel plate (4) on be equipped with a plurality of groups along transversely and interval arrangement's web member reinforcing bar (3), every group web member reinforcing bar (3) are including being splayed symmetrical arrangement's two, are connected with between the upper portion of two web member reinforcing bars (3) of every group along transversely arranging's last string reinforcing bar (1), the lower part of two web member reinforcing bars (3) of every group all is connected with along transversely arranging's lower string reinforcing bar (2).

2. The form removal-free novel steel bar truss floor carrier plate according to claim 1, wherein: the web member steel bar (3) comprises a vertical face triangular section and a horizontal U-shaped section which are alternately arranged, wherein the upper end angle of the vertical face triangular section is connected with the upper chord steel bar (1), the lower two angles of the vertical face triangular section are connected with the lower chord steel bar (2), and the horizontal U-shaped section is connected with the bottom die steel plate (4); the bottom die steel plate (4) is a galvanized steel plate.

3. The form removal-free novel steel bar truss floor carrier plate according to claim 1 or 2, wherein: the steel plate mold is characterized by further comprising end support seats (5) positioned at the ends of the upper chord steel bar (1) and the lower chord steel bar (2), wherein the end support seats (5) comprise support seat vertical steel bars (6) and support seat horizontal steel bars (7) which are connected with each other, the support seat vertical steel bars (6) are connected between the upper chord steel bar (1) and the bottom mold steel plate (4), and the support seat horizontal steel bars (7) are connected between the two lower chord steel bars (2).

4. The form removal-free novel steel bar truss floor carrier plate according to claim 1 or 2, wherein: one end of the bottom die steel plate (4) is provided with a buckling part A (8), and the other end of the bottom die steel plate (4) is provided with a buckling part B (9) matched with the buckling part A (8).

5. The form removal-free novel steel bar truss floor carrier plate according to claim 1 or 2, wherein: the bottom die steel plate (4) is provided with a boss part (10), and the boss part (10) is connected with the web member reinforcing steel bars (3).

6. The utility model provides a novel steel bar truss building carrier plate's of exempting from to disassemble construction structure, includes the novel steel bar truss building carrier plate of exempting from to disassemble of any of claims 1-5, still includes beam form (13) of longitudinal arrangement, its characterized in that: the beam template (13) is connected between two adjacent die block steel plates (4) at intervals, the upper end of the beam template (13) is connected with the die block steel plates (4), beam inner steel bars (15) extending to the upper parts of the die block steel plates (4) are arranged in the beam template (13), the upper chord steel bars (1) and the lower chord steel bars (2) on the two adjacent die block steel plates (4) at intervals are connected through transition steel bars, and the two directly adjacent die block steel plates (4) are connected through buckling.

7. The construction structure of the formwork-removal-free novel steel bar truss floor carrier plate, which is characterized in that: the beam template comprises a beam template body and is characterized by further comprising a supporting frame (12), wherein the supporting frame (12) supports three end faces of the beam template body (13) through battens (14), and the beam template body (13) is connected with the battens (14) at the upper end through iron nails (18);

the bottom die steel plate (4) is provided with plate surface ribs (11) which are arranged in the same direction with the upper chord steel bars.

8. The construction structure of the form removal-free novel steel bar truss floor carrier plate according to claim 6 or 7, wherein: the two bottom die steel plates (4) adjacent at intervals are oppositely arranged relative to the beam template (13), the upper chord steel bars (1) on the two bottom die steel plates (4) adjacent at intervals are connected through transverse upper chord connecting steel bars (16), the lower chord steel bars (2) on the two bottom die steel plates (4) adjacent at intervals are connected through transverse lower chord connecting steel bars (17), and longitudinal distributing steel bars (19) are connected between the lower chord steel bars (2).

9. The construction structure of the form removal-free novel steel bar truss floor carrier plate according to claim 6 or 7, wherein: the two bottom die steel plates (4) adjacent at intervals are reversely arranged relative to the beam template (13), the upper chord steel bars (1) on the two bottom die steel plates (4) adjacent at intervals are connected through transverse support negative bars (20), and the lower chord steel bars (2) on the two bottom die steel plates (4) adjacent at intervals are connected through transverse distribution bars (19).

10. The construction structure of the form removal-free novel steel bar truss floor carrier plate according to claim 6 or 7, wherein: one of the two opposite beam templates (13) of the two adjacent bottom die steel plates (4) at intervals is arranged in the forward direction, the other opposite beam template (13) is arranged in the reverse direction, the upper chord steel bars (1) on the two adjacent bottom die steel plates (4) at intervals are connected through transverse support negative bars (20), and the lower chord steel bars (2) on the two adjacent bottom die steel plates (4) at intervals are connected through transverse distribution bars (19).