CN213449072U - Whole-room prefabricated composite floor slab of UHPC concrete steel bar truss - Google Patents

Whole-room prefabricated composite floor slab of UHPC concrete steel bar truss Download PDF

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Publication number
CN213449072U
CN213449072U CN202021620626.XU CN202021620626U CN213449072U CN 213449072 U CN213449072 U CN 213449072U CN 202021620626 U CN202021620626 U CN 202021620626U CN 213449072 U CN213449072 U CN 213449072U
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steel bar
steel
plate body
truss
bar truss
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CN202021620626.XU
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Chinese (zh)
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崔荣平
王志胜
马建平
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Weifang Luwei New Materials Co ltd
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Shandong Yuanmeng Green Building Technology Co ltd
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Abstract

The utility model discloses a prefabricated coincide floor in whole room of UHPC concrete steel bar truss, include the coincide plate body that forms with the prefabrication of UHPC concrete, vertically and horizontally staggered's bottom plate reinforcing bar has been arranged in the superimposed sheet body, the steel wire net has still been arranged in the superimposed sheet body, the overhanging connecting reinforcement that has of board end of superimposed sheet body, it is provided with a plurality of steel bar trusses to arrange on the superimposed sheet body, still be provided with two at least reinforcing bar firm roof beams on the superimposed sheet body, the reinforcing bar firm roof beam perpendicular to steel bar truss, steel bar truss with the upper portion of reinforcing bar firm roof beam stretches out the upper surface of superimposed sheet body. The utility model discloses construction convenience, practiced thrift manual work and cost, wholeness are good, and the shock resistance is good, can not produce the temperature crack.

Description

Whole-room prefabricated composite floor slab of UHPC concrete steel bar truss
Technical Field
The utility model relates to a coincide floor for the building especially relates to a prefabricated coincide floor in whole room of UHPC concrete steel bar truss.
Background
At present, houses are built nationwide, floors of each house are mainly constructed by a construction method of prefabricating, assembling and post-pouring layers of cast-in-place concrete or single plates, and the cast-in-place floors need construction processes of on-site formwork erecting, reinforcing steel bar binding and concrete pouring, so that templates, supports and manpower are wasted, the construction cost is high, the economy is high, and unnecessary troubles are caused for construction of construction sites. Although the single-plate prefabricated assembled floor slab can avoid on-site formwork erecting and steel bar binding and save certain manpower, the joints between the plates need to be subjected to secondary crack pouring in the construction process, secondary troubles are caused, the integrity of the whole floor slab is poor, the earthquake resistance is not good, temperature cracks are easy to generate between the plates, and certain quality hidden dangers exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a construction convenience is provided, artifical and cost, wholeness have been practiced thrift, the shock resistance is good, can not produce the cracked UHPC concrete steel bar truss of temperature prefabricated coincide floor in whole.
In order to solve the technical problem, the technical scheme of the utility model is that: the UHPC concrete steel bar truss whole-room prefabricated composite floor slab comprises a composite slab body prefabricated by UHPC concrete, criss-cross bottom plate steel bars are arranged in the composite slab body, a steel wire mesh is further arranged in the composite slab body, connecting steel bars extend out of the slab end of the composite slab body, a plurality of steel bar trusses are arranged on the composite slab body, at least two steel bar stabilizing beams are further arranged on the composite slab body and are perpendicular to the steel bar trusses, and the upper portions of the steel bar trusses and the steel bar stabilizing beams extend out of the upper surface of the composite slab body.
As a preferred technical scheme, the reinforcing steel bar stabilizing beam comprises a plurality of V-shaped reinforcing steel bars, the V-shaped reinforcing steel bars are sequentially arranged and parallel to each other, the lower parts of the V-shaped reinforcing steel bars are positioned in the laminated slab body, the upper parts of the V-shaped reinforcing steel bars extend out of the upper surface of the laminated slab body, connecting top ribs are arranged at the tops of the V-shaped reinforcing steel bars, connecting bottom ribs are arranged at the bottoms of the V-shaped reinforcing steel bars in the laminated slab body, the connecting top ribs are perpendicular to the reinforcing steel bar truss, and the connecting top ribs are perpendicular to the connecting bottom ribs; the top of each V-shaped reinforcing steel bar is connected with the connecting top reinforcing steel bar through welding, the two bottoms of each V-shaped reinforcing steel bar are connected with the connecting bottom reinforcing steel bar through welding, and the connecting top reinforcing steel bar is connected with the steel bar truss.
According to the preferable technical scheme, the steel bar truss comprises an upper chord steel bar and two lower chord steel bars, the upper chord steel bar and the two lower chord steel bars are parallel to each other, the two lower chord steel bars are located in the laminated slab body, the upper chord steel bar is located on the upper side of the laminated slab body, and web member steel bars are welded between the upper chord steel bar and the two lower chord steel bars respectively.
According to the preferable technical scheme, the cross section of the steel bar truss is triangular, and the web member steel bars are wavy.
According to the preferable technical scheme, the steel bar trusses extend along the width direction of the laminated plate body, and the steel bar stabilizing beams extend along the length direction of the laminated plate body.
As a preferable technical scheme, the wire diameter of the steel wire mesh is 0.3 +/-0.05 mm, and the mesh size is 50mm multiplied by 50 mm.
As a preferred technical scheme, the thickness of the laminated plate body is 30 +/-0.5 mm, and the thickness of the laminated plate body on the outer side of the bottom plate steel bar is not less than 15 mm.
Because the UHPC concrete steel bar truss whole-room prefabricated composite floor slab adopting the technical scheme comprises a composite plate body formed by prefabricating UHPC concrete, criss-cross bottom plate steel bars are arranged in the composite plate body, steel wire meshes are further arranged in the composite plate body, connecting steel bars extend outwards from the plate end of the composite plate body, a plurality of steel bar trusses are arranged on the composite plate body, at least two steel bar stabilizing beams are further arranged on the composite plate body and are perpendicular to the steel bar trusses, and the steel bar trusses and the upper portion of the steel bar stabilizing beams extend out of the upper surface of the composite plate body. The utility model discloses a steel bar truss, wire net and bottom plate reinforcing bar and concrete have guaranteed the fastness and the reliability of prefabricated coincide floor between whole, make prefabricated coincide floor between whole accord with the needs of building the house completely, simple to operate, adopt the secondary crack between board and the board when the prefabricated floor butt joint of polylith is pieced together in the house when having avoided the construction, can not produce the temperature crack, the quality has been guaranteed, and construction convenience, practiced thrift manual work and cost, the wholeness is good, the shock resistance is good.
Drawings
The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:
fig. 1 is a schematic view of the present invention;
fig. 2 is a schematic layout of a steel bar truss according to the present invention;
fig. 3 is a schematic view of the arrangement of the steel bars after the laminated layer is poured on the laminated plate body;
fig. 4 is a schematic view of the steel bar truss of the present invention;
fig. 5 is a schematic layout view of the reinforcing steel bar stabilizing beam and the reinforcing steel bar truss of the present invention;
FIG. 6 is a schematic cross-sectional view of the reinforcing steel bar stabilizing beam of the present invention;
fig. 7 is the cross-sectional schematic view of the steel bar truss of the utility model.
In the figure: 1-laminating the plate body; 11-bottom plate reinforcing steel bars; 12-steel wire mesh; 13-connecting reinforcing steel bars; 2-steel bar truss; 21-web member reinforcing steel bars; 22-upper chord steel bar; 23-lower chord steel bars; 3-reinforcing steel bars stabilize the beam; 31-V-shaped steel bars; 32-connecting a top rib; 33-connecting bottom ribs; 4-a lamination layer; 41-stacking the layer steel bars.
Detailed Description
The invention is further explained below with reference to the drawings and examples. In the following detailed description, certain exemplary embodiments of the present invention have been described by way of illustration only. Needless to say, a person skilled in the art will recognize that the described embodiments can be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.
As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the whole UHPC concrete steel bar truss prefabricated composite floor slab comprises a composite slab body 1 prefabricated by UHPC concrete, criss-cross bottom plate steel bars 11 are arranged in the composite slab body 1, a steel wire mesh 12 is further arranged in the composite slab body 1, connecting steel bars 13 extend out of the slab end of the composite slab body 1, a plurality of steel bar trusses 2 are arranged on the composite slab body 1, at least two steel bar stabilizing beams 3 are further arranged on the composite slab body 1, the steel bar stabilizing beams 3 are perpendicular to the steel bar trusses 2, and the upper portions of the steel bar trusses 2 and the steel bar stabilizing beams 3 extend out of the upper surface of the composite slab body 1. Normal construction, bottom plate reinforcing bar 11, steel bar truss 2 bottom, 3 bottoms of steel bar stabilizing beam, steel wire net 12 pours into an organic whole through the material UHPC concrete of pouring whole prefabricated composite floor slab according to the house dimensional requirement and constitutes composite plate body 1, the back on the house is installed to composite plate body 1, again through concrete material with steel bar truss 2 upper portion, steel bar stabilizing beam 3 upper portion, and arrange that the side vertically and horizontally staggered's of composite plate body 1 superimposed layer reinforcing bar 41 pours into an organic whole and constitutes superimposed layer 4, superimposed layer 4 constitutes the house floor with the firm one-tenth of composite plate body 1 like this, steel wire net 12, steel bar stabilizing beam 3, steel bar truss 2 and bottom plate reinforcing bar 11, superimposed layer reinforcing bar 41 and UHPC concrete material have guaranteed the fastness and the reliability of whole house floor slab, make the house floor slab accord with the needs of building the house completely. Meanwhile, the reinforcing steel bar stabilizing beam 3 can strengthen and stabilize the laminated plate body 1, and the phenomenon of cracking caused by large positive and negative bending moments in the processes of stripping, hoisting, transporting and installing the laminated plate body 1 is prevented. And the surface and the top surface of the peripheral side of the laminated plate body 1 are respectively provided with a rough surface, so that the laminated plate body 1 is ensured to be fully contacted with concrete when being connected with the pouring laminated layer 4.
As shown in fig. 1, 5 and 6, the reinforcing steel bar stabilizing beam 3 includes a plurality of V-shaped reinforcing bars 31, each of the V-shaped reinforcing bars 31 is sequentially arranged and parallel to each other, a lower portion of each of the V-shaped reinforcing bars 31 is located in the laminated plate body 1, an upper portion of each of the V-shaped reinforcing bars 31 extends out of an upper surface of the laminated plate body 1, that is, a pointed top portion of each of the V-shaped reinforcing bars 31 extends out of the upper surface of the laminated plate body 1, a connecting top rib 32 is disposed at a top portion of the V-shaped reinforcing bar 31, a connecting bottom rib 33 is disposed at a bottom portion of the V-shaped reinforcing bar 31 in the laminated plate body 1, the connecting top rib 32 is perpendicular to the reinforcing steel bar truss 2, and the connecting top rib 32 is perpendicular to the connecting bottom rib 33; the top of each V-shaped steel bar 31 and the connecting top steel bar are connected together through welding, the two bottoms of each V-shaped steel bar 31 are connected together through welding with the connecting bottom steel bar 33, and the connecting top steel bar 32 is connected with the steel bar truss 2. The bottom of V-arrangement reinforcing bar 31 is prefabricated in the superimposed sheet body 1 with muscle 33 at the bottom of connecting like this, and muscle 33 link up the superimposed sheet body 1 and do 11 partly of bottom plate reinforcing bar and 11 an organic wholes of bottom plate reinforcing bar concurrently at the bottom of connecting, connect a muscle 32 and connect steel bar truss 2 pours the upper portion of V-arrangement reinforcing bar 31 and connect a muscle 32 when pouring superimposed sheet 4 in superimposed sheet 4 and do superimposed sheet reinforcing bar 41 partly with superimposed sheet reinforcing bar 41 an organic whole concurrently to be connected as an organic wholely with steel bar truss 2. Preferably, the diameter of the V-shaped rib 31 is 8mm, the diameter of the connecting top rib 32 is 14mm, the diameter of the connecting bottom rib 33 is 8mm, and other dimensions of the connecting top rib 32, the V-shaped rib 31 and the connecting top rib 32 can be selected according to the spacing and depth of the laminated plate body 1; and the connecting top ribs 32 are sleeved and welded at the bottom of each V-shaped steel bar 31, and the V-shaped steel bars 31 positioned inside the laminated plate body 1 are arranged at intervals with the steel bar truss 2, so that the bending resistance is enhanced. The optimized reinforcing steel bar stabilizing beam 3 can adopt two paths which are respectively and symmetrically arranged on the laminated plate body 1, so that the strength and the bending resistance of the laminated plate body 1 are effectively ensured.
As shown in fig. 1, fig. 2, fig. 4, fig. 5 and fig. 7, the steel bar truss 2 includes an upper chord steel bar 22 and two lower chord steel bars 23, the upper chord steel bar 22 and the two lower chord steel bars 23 are parallel to each other, the two lower chord steel bars 23 are located in the laminated plate body 1, the upper chord steel bar 22 is located on the upper side of the laminated plate body 1, and web members 21 are welded between the upper chord steel bar 22 and the two lower chord steel bars 23. The section of the steel bar truss 2 is triangular, and the web member steel bars 21 are wavy. Preferably, the diameter of the web member steel bar 21 is 6mm, the diameter of the upper chord steel bar 22 is 10mm, the diameter of the lower chord steel bar 23 is 8mm, and other dimensions of the web member steel bar 21, the upper chord steel bar 22 and the lower chord steel bar 23 can be selected according to the opening and the depth of the laminated plate body 1. The upper chord steel bars 22 can be welded with the connecting top ribs 32 to firmly connect the steel bar truss 2 and the steel bar stabilizing beam 3 together. Meanwhile, the part of the web member reinforcing steel bar 21 protruding out of the superposed plate body 1 can be used for lifting the superposed plate body 1, and the web member reinforcing steel bar 21 at the lifting position is reinforced by adding auxiliary ribs, so that the method is simple and practical. The steel bar truss 2 is arranged along the extension of the width direction of the laminated plate body 1, and the steel bar stabilizing beam 3 is arranged along the extension of the length direction of the laminated plate body 1.
Preferably, the wire diameter of the steel wire mesh 12 is 0.3 +/-0.05 mm, the mesh size is 50mm multiplied by 50mm, the thickness of the laminated plate body 1 is 30 +/-0.5 mm, the thickness of the laminated plate body 1 on the outer side of the bottom plate steel bar 11 is not less than 15mm, the thickness of the laminated layer 4 cast in place is 70-100mm, and other sizes can be adopted according to the building requirements.
The utility model discloses an adopt prefabricated coincide floor in whole, change the current floor in production, transportation, construction, the process way such as installation, changed the construction method that present cast-in-place floor adopts formwork pouring or prefabricated assembly of piecemeal, the bearing capacity of floor has been improved, utilize the overhanging connecting reinforcement 13 of board end to connect as an organic wholely with reinforced concrete frame construction, reinforced concrete shear wall structure, shaped steel structure, the beam column wall of steel construction etc. play the whole antidetonation effect of bearing to whole building, this coincide floor adopts the prefabrication of bearing PC concrete, weight is about current ordinary prefabricated floor 1/2, so reduced about 1/3 in the energy consumption of material, and prefabricated coincide floor in whole adopts the mill to prefabricate, process flow operation control is simple, the productivity ratio is high, the quality is guaranteed, light in weight, rational in infrastructure, be convenient for transportation, the prefabricated composite floor slab is convenient to install by hoisting on site, accurate in whole prefabricated composite floor slab industrialized production size, smooth and compact, convenient to install and construct on the whole floor slab, free of formwork support and secondary plastering treatment on the bottom surface, capable of avoiding the trouble of cross penetration of the anchor bars of the slab support and the top bars of the beam, high in construction and installation speed, capable of saving labor and engineering cost and capable of reducing pollution caused by site construction.
The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any person skilled in the art should also realize that such equivalent changes and modifications can be made without departing from the spirit and principles of the present invention.

Claims (7)

  1. The whole prefabricated coincide floor of UHPC concrete steel bar truss, include the coincide plate body that forms with the prefabrication of UHPC concrete, the internal crisscross bottom plate reinforcing bar that has arranged of superimposed sheet, the internal wire net that has still arranged of superimposed sheet, its characterized in that: the steel bar composite plate is characterized in that connecting steel bars extend out of the plate ends of the composite plate body, a plurality of steel bar trusses are arranged on the composite plate body, at least two steel bar stabilizing beams are further arranged on the composite plate body, the steel bar stabilizing beams are perpendicular to the steel bar trusses, and the upper portions of the steel bar trusses and the upper portions of the steel bar stabilizing beams extend out of the upper surface of the composite plate body.
  2. 2. The UHPC concrete steel bar truss full-space prefabricated composite floor slab as claimed in claim 1, wherein: the steel bar stabilizing beam comprises a plurality of V-shaped steel bars, the V-shaped steel bars are sequentially arranged and are parallel to each other, the lower parts of the V-shaped steel bars are positioned in the laminated slab body, the upper parts of the V-shaped steel bars extend out of the upper surface of the laminated slab body, connecting top ribs are arranged at the tops of the V-shaped steel bars, connecting bottom ribs are arranged at the bottoms of the V-shaped steel bars in the laminated slab body, the connecting top ribs are perpendicular to the steel bar truss, and the connecting top ribs are perpendicular to the connecting bottom ribs; the top of each V-shaped reinforcing steel bar is connected with the connecting top reinforcing steel bar through welding, the two bottoms of each V-shaped reinforcing steel bar are connected with the connecting bottom reinforcing steel bar through welding, and the connecting top reinforcing steel bar is connected with the steel bar truss.
  3. 3. The UHPC concrete steel bar truss full-space prefabricated composite floor slab as claimed in claim 1, wherein: the steel bar truss comprises an upper chord steel bar and two lower chord steel bars, the upper chord steel bar and the two lower chord steel bars are parallel to each other, the lower chord steel bars are located in the laminated slab body, the upper chord steel bar is located on the upper side of the laminated slab body, and web member steel bars are welded between the upper chord steel bar and the lower chord steel bars respectively.
  4. 4. The UHPC concrete steel bar truss complete precast composite floor slab as recited in claim 3, wherein: the cross-section of the steel bar truss is triangular, and the web member steel bars are wavy.
  5. 5. The UHPC concrete steel bar truss full-space prefabricated composite floor slab as claimed in claim 1, wherein: the steel bar truss is arranged along the extension of the width direction of the laminated plate body, and the steel bar stabilizing beam is arranged along the extension of the length direction of the laminated plate body.
  6. 6. The UHPC concrete steel bar truss full-space prefabricated composite floor slab as claimed in claim 1, wherein: the diameter of the steel wire mesh is 0.3 +/-0.05 mm, and the mesh size is 50mm multiplied by 50 mm.
  7. 7. A UHPC concrete steel bar truss full-space prefabricated composite floor slab as claimed in any one of claims 1 to 6, wherein: the thickness of coincide plate body is 30 + -0.5 mm, the thickness of bottom plate reinforcing bar outside coincide plate body is not less than 15 mm.
CN202021620626.XU 2020-08-06 2020-08-06 Whole-room prefabricated composite floor slab of UHPC concrete steel bar truss Active CN213449072U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021620626.XU CN213449072U (en) 2020-08-06 2020-08-06 Whole-room prefabricated composite floor slab of UHPC concrete steel bar truss

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021620626.XU CN213449072U (en) 2020-08-06 2020-08-06 Whole-room prefabricated composite floor slab of UHPC concrete steel bar truss

Publications (1)

Publication Number Publication Date
CN213449072U true CN213449072U (en) 2021-06-15

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Country Status (1)

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CN (1) CN213449072U (en)

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GR01 Patent grant
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Effective date of registration: 20231114

Address after: Rooms 101 and 102, north of Government Street and east of Wei'an Road (Fang'an Street Office), Fangzi District, Weifang City, Shandong Province, 261200

Patentee after: Weifang Luwei New Materials Co.,Ltd.

Address before: Room 1305, building a, Weifang Construction Engineering Trade Training Center, 465 Wenhua Road, Kuiwen District, Weifang City, Shandong Province, 261000

Patentee before: SHANDONG YUANMENG GREEN BUILDING TECHNOLOGY Co.,Ltd.

TR01 Transfer of patent right