CN114922327A - Bidirectional steel bar truss floor bearing plate and construction method - Google Patents
Bidirectional steel bar truss floor bearing plate and construction method Download PDFInfo
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- CN114922327A CN114922327A CN202210560901.0A CN202210560901A CN114922327A CN 114922327 A CN114922327 A CN 114922327A CN 202210560901 A CN202210560901 A CN 202210560901A CN 114922327 A CN114922327 A CN 114922327A
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- bar truss
- steel bar
- gluten
- web member
- longitudinal
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 166
- 239000010959 steel Substances 0.000 title claims abstract description 166
- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 53
- 238000010276 construction Methods 0.000 title claims abstract description 15
- 108010068370 Glutens Proteins 0.000 claims abstract description 53
- 235000021312 gluten Nutrition 0.000 claims abstract description 53
- 210000003205 muscle Anatomy 0.000 claims abstract description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 19
- 230000002787 reinforcement Effects 0.000 claims description 15
- 239000011265 semifinished product Substances 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 239000003351 stiffener Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/17—Floor structures partly formed in situ
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
- E04C5/0627—Three-dimensional reinforcements composed of a prefabricated reinforcing mat combined with reinforcing elements protruding out of the plane of the mat
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
Abstract
The invention discloses a bidirectional steel bar truss floor bearing plate and a construction method, wherein the bidirectional steel bar truss floor bearing plate comprises a bottom plate; the steel bar truss with the triangular cross section extends longitudinally, and the triangular cross sections are installed on the bottom plate at intervals along the transverse direction; the first gluten bars extend along the transverse direction, and are longitudinally arranged at the upper ends of the triangular section steel bar truss at intervals so as to connect the triangular section steel bar truss; the first end ribs extend transversely, and the first end ribs are arranged at the lower end of the triangular section steel bar truss at intervals longitudinally so as to connect the triangular section steel bar truss. The triangular section steel bar truss of longitudinal extension can improve two-way steel bar truss floor carrier plate at fore-and-aft load-carrying capacity, and the first gluten of horizontal extension and the second face muscle of horizontal extension can improve two-way steel bar truss floor carrier plate at horizontal load-carrying capacity to make two-way steel bar truss floor carrier plate's bearing capacity stronger.
Description
Technical Field
The invention relates to the technical field of construction engineering, in particular to a bidirectional steel bar truss floor bearing plate and a construction method.
Background
In the building construction process, the floor bearing plate is often required to be used as a support to pour concrete on the floor bearing plate, the one-way steel bar truss floor bearing plate is generally adopted in the related art, but the bearing load of the one-way steel bar truss floor bearing plate is limited, and for buildings with overlarge width among steel beams, temporary support sides are required to be installed at the edge of the one-way steel bar truss floor bearing plate to increase the load of the one-way steel bar truss floor bearing plate, so that time and labor are wasted.
Disclosure of Invention
The present invention is directed to solve at least one of the problems of the prior art, and a first aspect of the present invention provides a bi-directional beam truss deck that can carry a larger load than a uni-directional beam truss deck. The second aspect of the invention provides a construction method for a two-way steel bar truss floor deck, and the two-way steel bar truss floor deck manufactured by the method can bear larger load than the one-way steel bar truss floor deck.
According to a first aspect of the present invention, there is provided a bi-directional bar truss deck comprising:
a base plate;
the steel bar truss with the triangular cross section extends longitudinally, and is installed on the bottom plate at intervals along the transverse direction;
the first gluten bars extend along the transverse direction, and are longitudinally arranged at the upper ends of the triangular section steel bar truss at intervals so as to connect the triangular section steel bar truss;
the first end ribs extend transversely, and the first end ribs are arranged at the lower end of the triangular section steel bar truss at intervals longitudinally so as to connect the triangular section steel bar truss.
The bidirectional steel bar truss floor deck of the first aspect of the invention has at least the following beneficial effects: the bottom plate is provided with a plurality of triangular section steel bar trusses extending in the longitudinal direction at intervals in the transverse direction, so that the longitudinal load of a bidirectional steel bar truss floor bearing plate can be improved, the upper end of each triangular steel bar truss is provided with a plurality of first gluten extending in the transverse direction at intervals in the longitudinal direction, the lower end of each triangular steel bar truss is provided with a second gluten extending in the transverse direction at intervals in the longitudinal direction, the first gluten and the second gluten can improve the transverse load of the bidirectional steel bar truss floor bearing plate, the bidirectional steel bar truss floor bearing plate can bear the loads in the transverse direction and the longitudinal direction at the same time, the bearing capacity of the bidirectional steel bar truss floor bearing plate is larger than that of the unidirectional steel bar truss floor bearing plate, when the bidirectional steel bar truss floor bearing plate is used for bearing large-interval steel beams, a temporary supporting party does not need to be additionally arranged, and time and labor are saved.
According to the first aspect of the present invention, the bidirectional steel bar truss floor deck is characterized in that the triangular section steel bar truss comprises an upper chord extending in the longitudinal direction, two lower chords extending in the longitudinal direction, and a web member steel bar frame, wherein the web member steel bar frame comprises a plurality of web member units connected in sequence in the longitudinal direction, each web member unit is a rectangular pyramid structure formed by connecting one end of each of the four web member steel bars, the upper chord is connected with the top of each web member unit, and the two lower chords are connected with the bottom of each of the web member units at the two lateral sides.
According to the first aspect of the present invention, the first gluten is connected to the top of the web member and passes through the web member. The load that the web member unit bore can be partly born by first face muscle, and then has improved the bearing capacity of two-way reinforcing bar truss floor carrier plate.
According to the first aspect of the present invention, the first bottom rib is connected to the lower chord, and the first bottom rib is disposed on both longitudinal edges and above the connecting portion of two adjacent web members. Each lower chord can be interconnected through first end muscle, and then has improved the bearing capacity of two-way reinforcing bar truss floor carrier plate.
According to the two-way steel bar truss floor bearing plate provided by the embodiment of the first aspect of the invention, a second gluten is further arranged between two adjacent first gluten, and the second gluten is connected with the upper chord; and a second bottom rib is arranged between two adjacent first bottom ribs and is connected with the lower chord. Through setting up the second gluten and the muscle at the bottom of the second, the bearing capacity of two-way reinforcing bar truss floor carrier plate has further been improved.
The bi-directional floor deck according to the first aspect of the present invention further includes a longitudinal support structure and a transverse support structure, the longitudinal support structure is connected to each first stiffener, and the transverse support structure is connected to each upper chord. The bidirectional steel bar truss floor support plate can be connected with a building through the longitudinal support structure and the transverse support structure, and then the bidirectional steel bar truss floor support plate is fixed on the building.
The invention also provides a construction method of the bidirectional steel bar truss floor bearing plate, which comprises the following steps:
a plurality of longitudinally extending triangular section steel bar truss frames are arranged on the bottom plate at intervals along the transverse direction to form a semi-finished product of the bearing plate of the unidirectional steel bar truss frame building;
installing a transverse support structure at one longitudinal side edge of the semi-finished product of the bearing plate of the unidirectional steel bar truss floor to form the bearing plate of the unidirectional steel bar truss floor; the transverse support structure is respectively connected with the upper chords in the triangular section steel bar truss;
installing a plurality of transversely extending first gluten and a plurality of transversely extending first bottom gluten on the upper end and the lower end of a triangular section steel bar truss respectively along the longitudinal direction at intervals so as to form a bidirectional steel bar truss floor bearing plate; wherein, each triangle section reinforcing bar truss passes through first gluten interconnect, and each triangle section reinforcing bar truss passes through first end muscle interconnect.
The construction method of the bidirectional steel bar truss floor deck in the second aspect of the invention at least has the following beneficial effects: firstly, installing a plurality of longitudinally extending triangular section steel bar truss on a bottom plate at intervals along the transverse direction to form a unidirectional steel bar truss floor bearing plate; then a plurality of first gluten that transversely extends and a plurality of first end muscle that transversely extends are installed at the upper end and the lower extreme of triangle reinforcing bar section truss along longitudinal interval respectively to form two-way reinforcing bar truss floor carrier plate. The bidirectional steel bar truss floor bearing plate is provided with the longitudinally extending triangular section steel bar truss, the transversely extending first gluten and the first bottom rib, can bear transverse and longitudinal loads at the same time, has stronger bearing capacity compared with a unidirectional steel bar truss floor bearing plate, does not need to additionally install a temporary support when the bidirectional steel bar truss floor bearing plate is used for bearing large-space steel beams, and is time-saving and labor-saving.
According to the construction method of the bidirectional steel bar truss floor deck of the embodiment of the second aspect of the invention, a plurality of first transverse extending gluten and a plurality of first transverse extending bottom gluten are respectively installed at the upper end and the lower end of the triangular steel bar section truss along the longitudinal direction at intervals, comprising the following steps:
laying a first gluten at each first position of the unidirectional steel bar truss floor deck, wherein the web member units on each triangular section steel bar truss sequentially correspond to one another in the longitudinal direction, and the first position is the position of a top connecting line of each web member unit which mutually corresponds in the transverse direction;
laying first bottom ribs on the edges of two longitudinal sides of the floor bearing plate of the unidirectional steel bar truss and each second position respectively, wherein the connecting parts between adjacent web member units on each triangular section steel bar truss are sequentially in one-to-one correspondence in the longitudinal direction, and the second position is the position of the connecting line of each connecting part which is mutually corresponding in the transverse direction;
welding the first gluten with the top of each web member unit at the first position, wherein the first gluten passes through the web member unit;
and welding the first bottom rib with the lower chord, wherein the first bottom rib is positioned right above the second position to form the bidirectional steel bar truss floor bearing plate.
The construction method of the bidirectional steel bar truss floor deck according to the embodiment of the second aspect of the invention comprises the following steps:
installing a second gluten on the two-way steel bar truss floor bearing plate, wherein the second gluten is connected with the upper chord, and the second gluten is positioned between two adjacent first gluten;
and a second bottom rib is arranged on the two-way steel bar truss floor bearing plate, wherein the second bottom rib is connected with the lower chord, and the second bottom rib is positioned between two adjacent first bottom ribs.
The construction method of the bidirectional steel bar truss floor deck according to the embodiment of the second aspect of the invention further comprises the following steps:
assembling a longitudinal support structure;
and mounting the longitudinal support structure at a preset position of the bidirectional steel bar truss floor support plate, and connecting the longitudinal support structure with each first surface rib, wherein the preset position is a position corresponding to a longitudinal steel beam on the bidirectional steel bar truss floor support plate and a building below the bidirectional steel bar truss floor support plate after the bidirectional steel bar truss floor support plate is mounted.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The invention is further described below with reference to the accompanying drawings and examples;
FIG. 1 is a schematic view of a bi-directional floor deck of a rebar truss according to one embodiment of the present invention;
FIG. 2 is an enlarged view of a deck of the bi-directional truss of FIG. 1;
FIG. 3 is a partial schematic view of a triangular cross-section reinforcement truss of the deck of the bi-directional reinforcement truss of FIG. 1;
FIG. 4 is a flow chart of a method of constructing a deck of a bi-directional floor truss according to one embodiment of the present invention;
fig. 5 is a flow chart showing the construction method of the bidirectional steel bar truss floor deck according to an embodiment of the invention, wherein a plurality of first transverse-extending ribs and a plurality of first transverse-extending bottom ribs are respectively installed at the upper end and the lower end of the unidirectional steel bar truss floor deck along the longitudinal direction at intervals.
Reference numerals:
a base plate 100;
a triangular section reinforcement truss 200; an upper chord 210; a lower chord 220; a web member 230; web reinforcement 231;
a first facing rib 300; a first bottom rib 310;
a transverse support unit 400; a transverse horizontal rib 401; transverse studs 402; a longitudinal standoff structure 410; longitudinal horizontal ribs 411; longitudinal studs 412.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means is one or more, a plurality of means is two or more, and greater than, less than, more than, etc. are understood as excluding the essential numbers, and greater than, less than, etc. are understood as including the essential numbers. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
The bidirectional reinforcement truss floor deck of the present invention will be described in detail with reference to fig. 1 to 3.
Referring to fig. 1 to 3, the bi-directional floor deck according to the first aspect of the present invention includes a base plate 100, a plurality of triangular-section bar trusses 200, a plurality of first stiffeners 300, and a plurality of first bottom stiffeners 310.
The plurality of triangular-section steel bar truss frames 200 extend along the longitudinal direction, and the plurality of triangular-section steel bar truss frames 200 are installed on the bottom plate 100 at intervals along the transverse direction; the first ribs 300 extend in the transverse direction, and a plurality of first ribs 300 are longitudinally installed at the upper end of the triangular section steel bar truss 200 at intervals so as to connect the triangular section steel bar truss 200; the first bottom rib 310 extends in the transverse direction, and a plurality of first bottom ribs 310 are longitudinally arranged at intervals at the lower end of the triangular section steel bar truss 200 so as to connect the triangular section steel bar truss 200.
For example, as shown in fig. 1, the triangular-section reinforcing bar truss 200 may extend in the front-rear direction, and a plurality of triangular-section reinforcing bar trusses 200 may be installed on the base plate 100 at intervals in the left-right direction; the first gluten 300 can extend along the left-right direction, a plurality of first gluten 300 can be installed at intervals along the front-back direction, and each first gluten 300 is connected with the upper end of each triangular section bar truss 200; the first bottom rib 310 may extend in the left-right direction, a plurality of first bottom ribs 310 may be installed at intervals in the front-rear direction, and each first bottom rib 310 is connected to the lower end of each triangular section bar truss 200. Through set up a plurality of triangle section reinforcing bar truss 200 that extend along the fore-and-aft direction on bottom plate 100, make two-way reinforcing bar truss building carrier plate can bear the load of fore-and-aft direction, through set up a plurality of first gluten 300 that extend along the left right direction and a plurality of first end muscle 310 that extend along the left right direction on bottom plate 100, make two-way reinforcing bar truss building carrier plate can bear the load of left right direction, and then two-way reinforcing bar truss building carrier plate can bear fore-and-aft direction and left right direction's load, bearing capacity is stronger than one-way reinforcing bar building carrier plate truss, when using two-way reinforcing bar truss building carrier plate to bear between the large-spacing girder steel, need not additionally to install interim side of support, and time and labor are saved.
Specifically, the triangular section steel bar truss 200 includes an upper chord 210 extending in a longitudinal direction, two lower chords 220 extending in the longitudinal direction, and a web member steel bar frame, the web member steel bar frame includes a plurality of web member units 230 sequentially connected in the longitudinal direction, the web member units 230 are rectangular pyramid structures formed by connecting one ends of four web member steel bars 231 with each other, the upper chord 210 is connected with the top of each web member unit 230, and the two lower chords 220 are connected with the bottom ends of the two lateral sides of each web member unit 230. For example, as shown in fig. 3, the triangular section reinforcement truss 200 may include an upper chord 210, two lower chords 220 and a web member reinforcement, the upper chord 210 and the lower chord 220 both extend in the front-rear direction, the web member reinforcement may include a plurality of web member units 230, the plurality of web member units 230 are sequentially connected in the front-rear direction, each web member unit 230 includes four web member reinforcements 231, and one ends of the four web member reinforcements 231 are connected to each other to form a rectangular pyramid structure; the upper chords 210 may be connected to the apexes of the respective web members 230, respectively; the lower chords 220 may be distributed left and right, the left lower chords 220 may be connected to the lower ends of the two left web member reinforcements 231 of the web member units 230, and the right lower chords 220 may be connected to the lower ends of the two right web member reinforcements 231 of the web member units 230. By arranging the upper chord member 210, the lower chord member 220 and the web member units 230 of the rectangular pyramid structure, a triangle is formed between the upper chord member 210 and two adjacent web member units 230 in a surrounding manner, and a triangle is formed between the lower chord member 220 and the web member units 230 in a surrounding manner, so that the stability of the triangular section steel bar truss 200 is improved.
In some embodiments of the present invention, the first bead 300 is connected to the apex of the web member 230 and passes through the web member 230. For example, as shown in fig. 1 and 2, the first rib 300 extends in the left-right direction, the first rib 300 may be connected to the top of the web member 230, and the first rib 300 is located below the top of the web member 230, and further, the first rib 300 may connect the respective triangular-section bar trusses 200, and when the bidirectional bar truss floor deck is used, the load of the top of the web member 230 is greater than that of the other positions of the web member 230, and the first rib 300 is connected to the top of the web member 230, so that the load of the web member 230 may be partially supported by the first rib 300, and further, the supporting capability of the triangular-section bar truss 200 may be improved.
In some embodiments of the present invention, the first bottom rib 310 is connected to the lower chord 220, and the bidirectional bar truss decking is provided with the first bottom rib 310 at both longitudinal edges and above the connecting portion of two adjacent web members 230. For example, as shown in fig. 1 and 2, the first bottom rib 310 extends in the left-right direction, and the two web members 230 adjacent to each other in the front-back direction and the two-way steel bar truss floor deck may be respectively provided with a first bottom rib 310 at two longitudinal edges, the first bottom rib 310 may be welded to the lower chord 220 and located above the lower chord 220, and further, the first bottom rib 310 may connect the lower chords 220 on the two-way steel bar truss floor deck, so as to improve the bearing capacity of the two-way steel bar truss floor deck.
In some embodiments of the present invention, the bi-directional bar truss decking further includes longitudinal support structures 410 and transverse support structures, the longitudinal support structures 410 being connected to each of the first studs 300, and the transverse support structures being connected to each of the upper chords 210. For example, as shown in fig. 1 and 2, the transverse support structure may include a plurality of transverse support units 400, the transverse support units 400 may be installed on the front side edge of a floor slab of a bidirectional bar truss, and each upper chord 210 is connected to one transverse support unit 400; the longitudinal support structure 410 may include a longitudinal horizontal bar 411 and a plurality of longitudinal vertical bars 412 extending back and forth, the longitudinal vertical bars 412 are installed on the longitudinal horizontal bar 411 at intervals along the back and forth direction, each longitudinal vertical bar 412 is connected to a first bottom bar 310, and after the bidirectional steel bar truss floor deck is installed on a building, the longitudinal horizontal bar 411 corresponds to a longitudinal steel beam on the building under the bidirectional steel bar truss floor deck. Through setting up horizontal support structure and vertical support structure 410 for two-way reinforcing bar truss floor carrier plate can be connected with the girder steel on the building through horizontal support structure and vertical support structure 410 respectively.
Optionally, a plurality of longitudinal horizontal ribs 411 may be provided, at this time, the longitudinal horizontal ribs 411 and the longitudinal vertical ribs 412 are in one-to-one correspondence, the corresponding longitudinal horizontal ribs 411 and the corresponding longitudinal vertical ribs 412 form a longitudinal support unit, and the corresponding longitudinal horizontal ribs 411 and the corresponding longitudinal vertical ribs 412 are connected in a mutually perpendicular manner.
Specifically, referring to fig. 2, the transverse support unit 400 includes a transverse horizontal rib 401 and a transverse stud 402, the transverse horizontal rib 401 and the transverse stud 402 are vertically connected to each other, and the upper end of the transverse stud 402 is connected to the upper chord 210.
The construction method of the floor deck of the bidirectional steel bar truss according to the present invention will be described in detail with reference to fig. 4 to 5.
Referring to fig. 4, the construction method of the bidirectional steel bar truss floor deck according to the second embodiment of the present invention includes, but is not limited to, the following steps:
step S100: a plurality of longitudinally extending triangular section steel bar truss 200 are installed on the bottom plate 100 at intervals along the transverse direction to form a semi-finished product of the bearing plate of the unidirectional steel bar truss floor;
it can be understood that the semi-finished product of the bearing plate of the unidirectional steel bar truss building comprises a bottom plate 100 and a plurality of triangular-section steel bar trusses 200 extending back and forth, the plurality of triangular-section steel bar trusses 200 extending back and forth are arranged on the bottom plate 100 at intervals along the left-right direction, and therefore the semi-finished product of the bearing plate of the unidirectional steel bar truss building can bear the load in the front-back direction.
Step S200: installing a transverse support structure at one longitudinal side edge of the semi-finished product of the bearing plate of the unidirectional steel bar truss floor to form the bearing plate of the unidirectional steel bar truss floor; wherein the transverse support structure is connected to the upper chords 210 of the respective triangular section bar trusses 200.
The transversal support structure may include a plurality of transversal support units 400, the transversal support units 400 may be installed on the front side edge of the semi-finished product of the bearing plate of the unidirectional steel bar truss floor, and each upper chord 210 is connected with one transversal support unit 400. It can be understood that when the two-way steel bar truss floor support plate is installed on a building, the side edge of the two-way steel bar truss floor support plate can be connected with the building, the transverse support structure can be installed on the front side edge of the semi-finished product of the one-way steel bar truss floor support plate, and then after the two-way steel bar truss floor support plate is installed on the building, the two-way steel bar truss floor support plate can be connected with the building through the transverse support structure.
Step S300: installing a plurality of transversely extending first surface bars 300 and a plurality of transversely extending first bottom bars 310 at the upper end and the lower end of the triangular section bar truss 200 along the longitudinal direction at intervals respectively to form a bidirectional bar truss floor deck; wherein, the triangular section steel bar truss 200 is connected with each other by the first gluten 300, and the triangular section steel bar truss 200 is connected with each other by the first bottom gluten 310.
It can be understood that a plurality of first ribs 300 extending left and right are installed at the upper end of the triangular section steel bar truss 200 at intervals along the front-back direction, a plurality of first bottom ribs 310 extending left and right are installed at the lower end of the triangular section steel bar truss 200 at intervals along the front-back direction, and then each triangular section steel bar truss 200 on the bottom plate 100 can be connected with each other through the first ribs 300 and the first bottom ribs 310, so that the bidirectional steel bar truss floor support plate can bear loads in the front-back direction and the left-right direction, and the capacity of the bidirectional steel bar truss floor support plate for bearing loads is stronger than that of the unidirectional steel bar truss floor support plate.
In some embodiments of the present invention, referring to fig. 5, in step S300, there are, but not limited to, the following steps:
step S310: laying a first gluten 300 at each first position of the unidirectional steel bar truss floor deck, wherein the web member units 230 on each triangular section steel bar truss 200 sequentially correspond to each other one by one in the longitudinal direction, and the first position is the position where the vertex connecting lines of the web member units 230 corresponding to each other in the transverse direction are located;
it will be understood that the triangular section bar truss 200 includes a web member reinforcement frame formed by a plurality of web member units 230 connected in series in the fore-and-aft direction, the web member units 230 of each triangular section bar truss 200 correspond to each other in series from front to rear, and the respective web member units 230 corresponding to each other are located on a straight line extending in the left-and-right direction, so that the vertexes of the respective web member units 230 corresponding to each other are located on the straight line extending in the left-and-right direction.
Step S320: laying first bottom ribs 310 on the edges of two longitudinal sides of the unidirectional steel bar truss floor deck and at each second position respectively, wherein the connecting parts between adjacent web member units 230 on each triangular section steel bar truss 200 are in one-to-one correspondence in the longitudinal direction, and the second position is the position of each connecting part corresponding to each other in the transverse direction;
it is understood that the connecting portion of the web member 230 with another adjacent web member 230 is a connecting portion thereof, each web member 230 corresponding to each other is located on a straight line extending left and right, and the connecting portion of each web member 230 corresponding to each other is located on a straight line extending left and right,
step S330: welding the first ribs 300 to the vertexes of the respective web members 230 in the first position, with the first ribs 300 passing through the web members 230;
it will be appreciated that by welding the first panel 300 to the apex of each web member unit 230 in the first position, the first panel 300 can then interconnect the respective web member frames so that the bi-directional bar truss decking can carry loads in the side-to-side direction; the first ribs 300 are located at the inner side of the rectangular pyramid structure, and then the gravity borne by the web member unit 230 can be partially shared by the first ribs 300, so as to improve the service life of the web member unit 230.
Step S340: the first bottom rib 310 is welded to the lower chord 220, and the first bottom rib 310 is located right above the second position, so as to form a bidirectional steel bar truss floor deck.
It will be appreciated that the lower chords 220 can be connected to each other by the first bottom rib 310 by welding the first bottom rib 310 to the lower chords 220.
In some embodiments of the present invention, after step S240, the following steps are included, but not limited to:
step S350: installing a second gluten on the bidirectional steel bar truss floor bearing plate, wherein the second gluten is connected with the upper chord 210 and is positioned between two adjacent first gluten 300;
step S360: a second bottom rib is installed on the two-way steel bar truss floor deck, wherein the second bottom rib is connected with the lower chord 220, and the second bottom rib is located between two adjacent first bottom ribs 310.
It can be understood that the bearing capacity of the floor deck of the bidirectional bar truss can be further improved by installing a second rib between two adjacent first ribs 300 and installing a second rib between two adjacent first ribs 310.
In some embodiments of the present invention, referring to fig. 4, after step S300, the following steps are included, but not limited to:
step S400: assembling the longitudinal standoff structure 410;
specifically, the longitudinal support structure 410 may include a longitudinal horizontal rib 411 extending back and forth and a plurality of longitudinal vertical ribs 412, the longitudinal vertical ribs 412 are installed on the longitudinal horizontal rib 411 at intervals along the back and forth direction, and each longitudinal vertical rib 412 is connected to a first bottom rib 310.
Step S500: the longitudinal support structure 410 is installed at a preset position of the bidirectional steel bar truss floor support plate, and the longitudinal support structure 410 is connected with each first surface rib 300 respectively, wherein the preset position is a position corresponding to a longitudinal steel beam on a building below the bidirectional steel bar truss floor support plate after the bidirectional steel bar truss floor support plate is installed.
It will be appreciated that by installing the longitudinal support structure 410 at a predetermined location on the bi-directional truss decking panel, the longitudinal support structure 410 can be positioned above the longitudinal steel beams on the building after the bi-directional truss decking panel is installed.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. Two-way reinforcing bar truss floor carrier plate, characterized by includes:
a base plate (100);
the steel bar truss structure comprises a plurality of triangular section steel bar truss frames (200), wherein the triangular section steel bar truss frames (200) extend along the longitudinal direction, and the triangular section steel bar truss frames (200) are installed on a base plate (100) at intervals along the transverse direction;
a plurality of first gluten (300), the first gluten (300) extends along the transverse direction, a plurality of the first gluten (300) is installed at the upper end of the triangular section steel bar truss (200) along the longitudinal direction at intervals, so as to connect the triangular section steel bar truss (200);
the first bottom ribs (310) extend along the transverse direction, and the first bottom ribs (310) are arranged at the lower end of the triangular section steel bar truss (200) along the longitudinal direction at intervals so as to connect the triangular section steel bar truss (200).
2. The bi-directional steel bar truss floor deck as claimed in claim 1, wherein the triangular section steel bar truss (200) comprises an upper chord (210) extending in a longitudinal direction, two lower chords (220) extending in the longitudinal direction, and a web member steel bar frame, the web member steel bar frame comprises a plurality of web member units (230) connected in series in the longitudinal direction, the web member units (230) are rectangular pyramid structures formed by connecting one ends of four web member bars (231) to each other, the upper chord (210) is connected to the top of each web member unit (230) structure, and the two lower chords (220) are connected to the bottom of each web member unit (230) structure at the two lateral sides.
3. The bi-directional rebar truss floor deck as claimed in claim 2, wherein the first gluten (300) is connected to the apex of the web member (230) and passes through the web member (230).
4. The bi-directional rebar truss floor deck as claimed in claim 3, wherein the first bottom rib (310) is connected to the lower chord (220), and the first bottom rib (310) is provided at both longitudinal edges and above the connecting portion of two adjacent web members (230).
5. The bi-directional bar truss floor deck according to claim 4, wherein a second gluten is further provided between two adjacent first gluten (300), and the second gluten is connected with the upper chord (210); and a second bottom rib is arranged between the two adjacent first bottom ribs (310), and the second bottom rib is connected with the lower chord (220).
6. The bi-directional bar truss decking of claim 2, further comprising longitudinal brace structures (410) and transverse brace structures, the longitudinal brace structures (410) being connected to each of the first gluten bars (300) and the transverse brace structures being connected to each of the upper chords (210).
7. A construction method of the floor deck of the bidirectional steel bar truss as claimed in any one of claims 1 to 6, comprising the steps of:
a plurality of longitudinally extending triangular section steel bar truss frames (200) are arranged on the bottom plate (100) at intervals along the transverse direction to form a semi-finished product of the bearing plate of the unidirectional steel bar truss frame floor;
installing a transverse support structure at one longitudinal side edge of the semi-finished product of the bearing plate of the unidirectional steel bar truss floor to form the bearing plate of the unidirectional steel bar truss floor; the transverse support structures are respectively connected with the upper chords (210) in the triangular section steel bar truss (200);
installing a plurality of first transverse-extending gluten (300) and a plurality of first transverse-extending bottom ribs (310) on the upper end and the lower end of the triangular section steel bar truss (200) respectively along the longitudinal direction at intervals so as to form a bidirectional steel bar truss floor deck; wherein, each triangle section reinforcing bar truss (200) is through first gluten (300) interconnect, and each triangle section reinforcing bar truss (200) is through first end muscle (310) interconnect.
8. The method for constructing a bi-directional reinforcement bar truss floor deck as claimed in claim 7, wherein the step of installing a plurality of first transverse-extending ribs (300) and a plurality of first transverse-extending bottom ribs (310) on the upper and lower ends of the triangular cross-section reinforcement bar truss (200) at intervals along the longitudinal direction comprises the steps of:
laying the first gluten (300) at each first position of the unidirectional steel bar truss floor deck, wherein the web member units (230) on each triangular section steel bar truss (200) sequentially correspond to one another in the longitudinal direction, and the first position is the position of the connection line of the vertexes of the web member units (230) which correspond to each other in the transverse direction;
laying first bottom ribs (310) on the edges of two longitudinal sides of the unidirectional steel bar truss floor bearing plate and at second positions respectively, wherein connecting parts between adjacent web members (230) on the triangular section steel bar truss (200) are sequentially in one-to-one correspondence in the longitudinal direction, and the second positions are positions where connecting lines of the connecting parts are located, wherein the connecting parts correspond to each other in the transverse direction;
welding the first gluten (300) with the apex of each web member (230) in a first position, and the first gluten (300) passing through the web member (230);
and welding the first bottom rib (310) with the lower chord (220), wherein the first bottom rib (310) is positioned right above the second position to form the bidirectional steel bar truss floor deck.
9. The method of constructing a floor deck of a bi-directional rebar truss as recited in claim 8, further comprising the steps of:
installing a second gluten on the bidirectional steel bar truss floor bearing plate, wherein the second gluten is connected with an upper chord (210), and the second gluten is positioned between two adjacent first gluten (300);
and a second bottom rib is arranged on the bidirectional steel bar truss floor bearing plate, wherein the second bottom rib is connected with the lower chord (220), and the second bottom rib is positioned between two adjacent first bottom ribs (310).
10. The method of constructing a bi-directional rebar truss floor deck of claim 7 further comprising the steps of:
assembling a longitudinal support structure (410);
and installing the longitudinal support structures (410) at preset positions of the bidirectional steel bar truss floor bearing plates, and enabling the longitudinal support structures (410) to be connected with the first bottom ribs (310) respectively, wherein the preset positions are positions corresponding to longitudinal steel beams on buildings below the bidirectional steel bar truss floor bearing plates after the bidirectional steel bar truss floor bearing plates are installed on the buildings.
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Address after: No.1908, Zhongtian Meijing building, No.2009, Pingshan Avenue, Liulian community, Pingshan street, Pingshan District, Shenzhen, Guangdong 518000 Applicant after: China Construction Steel Structure Co.,Ltd. Address before: No.1908, Zhongtian Meijing building, No.2009, Pingshan Avenue, Liulian community, Pingshan street, Pingshan District, Shenzhen, Guangdong 518000 Applicant before: China Construction Steel Engineering Co.,Ltd. |