CN204850192U - Prefabricated assembled steel bar truss combination floor - Google Patents
Prefabricated assembled steel bar truss combination floor Download PDFInfo
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- CN204850192U CN204850192U CN201520451211.7U CN201520451211U CN204850192U CN 204850192 U CN204850192 U CN 204850192U CN 201520451211 U CN201520451211 U CN 201520451211U CN 204850192 U CN204850192 U CN 204850192U
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Abstract
The utility model relates to a prefabricated assembled steel bar truss combination floor, its characterized in that: include the bottom plate that forms by the prefabricated plate equipment to and the layer of building between the seam is spliced in aforementioned bottom plate top and prefabricated plate to the pouring, wherein the prefabricated plate adopts I type prefabricated plate or II type prefabricated plate, compare with prior art, the utility model has the advantages of: prefabricated assembled steel bar truss combination floor includes that bottom plate that prefabricated plate equipment formed and pouring pour the layer between bottom plate top and prefabricated plate concatenation seam, and the concrete of pour into a mould can adopt light aggregate concrete messenger overall structure's weight loss and reduce basic cost to the anti -seismic performance who makes building structure improves, has sufficient bearing capacity, and can prefabricate prefabricated construction, reduction of erection time greatly, construction convenience, the bottom steel sheet of prefabricated plate wraps up in the concrete when prefabricated completely, and need not not carry out secondary treatment to it, can further shorten the construction cycle of combination floor.
Description
Technical field
The present invention relates to a kind of prefabricated assembled composite floor and joining method thereof, belong to Structural Engineering field.
Background technology
At present, in building, floor often adopts cast-in-situ floor, profiled steel sheet combination floor and steel bar girder composite floor three kinds of forms.Cast-in-situ floor has the operations such as the laying of formwork, steel disk, form removal, and site work amount is large, and inefficiency, reinforcing bar is easily shifted and causes Quality Down, and in addition, along with the rise of cost of labor, operating expenses significantly increases.
Compare cast-in-situ floor, profiled steel sheet combination floor eliminates a die process, and because profiled sheet is with the rib of certain altitude, therefore total floor thickness is generally slightly thick, and Indoor environment clear height reduces, and out-of-flatness at the bottom of plate is unfavorable for finishing.Also due to the existence of rib, the gross weight of floor can decrease.
Steel bar girder composite floor batch production degree is high, and site work amount is little, and in building structure especially in steel work, steel bar girder combination floor support plate is widely used.But this superstructure has three obvious defects: the concrete in (1) floor is cast-in-site, larger on construction period impact; (2) concrete be still ordinary concrete, floor deadweight larger; (3) need to carry out after-treatment to bottom galvanized steel plain sheet, secondary adverse effect is caused to the duration.
Summary of the invention
Primary technical problem to be solved by this invention provides a kind of existing enough supporting capacitys for above-mentioned prior art, have good anti-seismic performance because of lighter weight again, and the prefabricated assembling type reinforced girder compound floor of prefabricated construction.
The further technical problem to be solved of the present invention is to provide a kind of joining method of above-mentioned prefabricated assembling type reinforced girder compound floor.
The present invention solves the problems of the technologies described above adopted technical scheme: this prefabricated assembling type reinforced girder compound floor, it is characterized in that: comprise the base plate assembled by precast plate, and be cast in above bottom plate and LIFT between precast plate splicing seams; Wherein precast plate adopts I type precast plate or II type precast plate:
I type precast plate, comprises and to wind up reinforcing bar by first, the first lower edge reinforcing bar, the steel bar truss floor support plate of steel plate composition bottom the first web member and first; Bottom described first, the left side of steel plate is provided with many groups for assembled the first channel-section steel of precast plate, and bottom described first, the right side of steel plate is symmetrically arranged with many groups for assembled the first channel-section steel of precast plate or for fixing the second channel-section steel in border; First channel-section steel or the second channel-section steel upper end are connected with the first web member spot welding, are connected in the middle part of the first channel-section steel or the second channel-section steel with the first lower edge reinforcing bar spot welding, the first channel-section steel or the second channel-section steel lower end be welded on first bottom on steel plate; Longitudinally between symmetrically arranged first channel-section steel or be provided with connecting reinforcement between the first channel-section steel and the second channel-section steel; Bottom described first, the downside of steel plate is provided with the 3rd channel-section steel, and the openend of the 3rd channel-section steel is extended with the edge of a wing thus makes cross section be "Ji" type, and the reinforcing bar spot welding of winding up of the upper end and first of the 3rd channel-section steel is connected, the lower end of the 3rd channel-section steel be welded on first bottom on steel plate; Bottom first, the surrounding of steel plate is provided with the first baffle plate, be positioned at the first baffle plate first bottom steel plate is provided with plug hole, built concrete in the space that first baffle plate surrounds thus the reinforcing bar that winds up first, the first lower edge reinforcing bar, bottom the first web member and first, steel plate is wrapped in concrete;
II type precast plate, comprises and to wind up reinforcing bar by second, the second lower edge reinforcing bar, the steel bar truss floor support plate of steel plate composition bottom the second web member and second; Bottom described second, the left side of steel plate is provided with many groups for assembled the first channel-section steel of precast plate, and bottom described second, the right side of steel plate is symmetrically arranged with many groups for assembled the first channel-section steel of precast plate or for fixing the second channel-section steel in border; First channel-section steel or the second channel-section steel upper end are connected with the second web member spot welding, are connected in the middle part of the first channel-section steel or the second channel-section steel with the second lower edge reinforcing bar spot welding, the first channel-section steel or the second channel-section steel lower end be welded on second bottom on steel plate; Longitudinally between symmetrically arranged first channel-section steel or be provided with connecting reinforcement between the first channel-section steel and the second channel-section steel; Bottom second, steel plate surrounding is provided with second baffle, be positioned at second baffle second bottom steel plate is provided with plug hole; Built concrete in the space that second baffle surrounds thus the reinforcing bar that winds up second, the second lower edge reinforcing bar, bottom the second web member and second, steel plate is wrapped in concrete;
Described base plate is assembled by some I type precast plates, or is assembled by some II type precast plates, or is assembled by some I type precast plates and II type precast plate; During assembling, I type precast plate or be connected and fixed by the second channel-section steel and the first contour connection part between II type precast plate and a border, I type precast plate or be connected and fixed by the second boundary connector between II type precast plate and another border, adjacent two pieces of I type precast plates laterally between be connected and fixed by the first channel-section steel; Be connected and fixed by the first channel-section steel between adjacent two pieces of II type precast plates are horizontal; Be connected and fixed by the first channel-section steel between adjacent I type precast plate and II type precast plate transverse direction, be connected and fixed by the 3rd channel-section steel between two pieces of adjacent I type precast plates are longitudinal.
Further, two pieces of adjacent described I type precast plates longitudinally between the concrete connected mode that is connected and fixed by described 3rd channel-section steel be: by two pieces of adjacent I type precast plate longitudinally alignment, then the 3rd channel-section steel of top I type precast plate is made to align with the 3rd channel-section steel of below I type precast plate, then wear upper and lower two the 3rd channel-section steel inside the plug-in type square tube that a cross section is square shape, periphery wall energy coordinates with the 3rd channel-section steel internal perisporium, finally by two groups of bolts, plug-in type square tube and upper and lower two the 3rd channel-section steels are connected and fixed.
As improvement, adjacent two pieces of described I type precast plates laterally between the concrete connected mode that is connected and fixed by described first channel-section steel be: by two pieces of adjacent I type precast plate lateral alignment, then the first channel-section steel of left side I type precast plate is made to align with the first channel-section steel of the right I type precast plate, then two outer sheathed U-shaped connectors of the first channel-section steel in left and right, are connected and fixed U-shaped connector and two, left and right the first channel-section steel finally by two groups of bolts;
Connected mode between adjacent two pieces of II type precast plates are horizontal is the same;
Connected mode between adjacent I type precast plate and II type precast plate transverse direction is the same.
As improvement, the concrete connected mode be connected and fixed by described second channel-section steel between described I type precast plate and a border is:
At the first contour connection part that the outer sheathed cross section of described second channel-section steel is "Ji" type, the internal perisporium of this first contour connection part matches consistent with the periphery wall of the second channel-section steel, then by bolt, the first contour connection part and border girder steel are connected and fixed, or directly by pre-embedded bolt, the first contour connection part and border girder steel are connected and fixed;
Connected mode between II type precast plate and a border is the same.
Improve again, connected mode between described I type precast plate and another border is: the cross section of the second boundary connector is "Ji" type, in I type precast plate, the first lower edge reinforcing bar is connected with the spot welding of the second boundary connector inwall, is connected and fixed between the second boundary connector and border girder steel by pre-embedded bolt or bolt;
Connected mode between II type precast plate and another border is the same.
Improve, described II type precast plate length in the vertical equals the twice of I type precast plate length in the vertical, and described II type precast plate width is in the horizontal identical with I type precast plate width in the horizontal again.
Improve, the height of described first baffle plate to wind up reinforcing bar higher than first again; The height of described second baffle to wind up reinforcing bar higher than second.
Improve, the concrete upper surface of described I type precast plate and II type precast plate is provided with the reserved conduit of building for light weight aggregate concrete again.
Improve, bottom described first, four boundaries of steel plate are provided with for monitoring the first wooden unit that bottom first, whether steel plate is wrapped up completely by concrete again; Bottom described second, four boundaries of steel plate are provided with for monitoring the second wooden unit that bottom second, whether steel plate is wrapped up completely by concrete.
The present invention also provides a kind of joining method of prefabricated assembling type reinforced girder compound floor, it is characterized in that: comprise following operation:
(1), at factory's processing and fabricating I type precast plate, II type precast plate, plug-in type square tube, U-shaped connector, the first contour connection part and the second boundary connector in advance;
(2), according to real size requirement, two pieces of I type precast plates or one piece of II type precast plate are spliced in side, border at the construction field (site), opposite side border is spliced two pieces of I type precast plates or one piece of II type precast plate, and then splicing intermediate prefabricated plate successively, intermediate prefabricated plate can select two pieces of I type precast plates or one piece of II type precast plate equally; During concrete splicing:
Two pieces of I type precast plates or one piece of II type precast plate and side contour connection are fixed;
Again two pieces of I type precast plates or one piece of II type precast plate and opposite side contour connection are fixed;
Again lateral connection between two pieces of I type precast plates on two pieces of I type precast plates or one piece of II type precast plate and left side and right side or one piece of II type precast plate is fixed, by that analogy, complete the splicing of intermediate prefabricated plate, thus form the base plate of prefabricated assembling type reinforced girder compound floor; When selecting two pieces of I type precast plates to carry out assembled, need to carry out longitudinal connection by between two pieces of I type precast plates;
(3), after the base plate paving of prefabricated assembling type reinforced girder compound floor puts in place, the splicing seams detecting precast plate whether stable connection and contour connection part whether all fixing after, last above base plate and between precast plate splicing seams and pour into a mould the LIFT of light weight aggregate concrete or cement mortar in the conduit of surrounding border, the surface of LIFT needs smooth, and the density at splicing seams and conduit place, surrounding border should be ensured, thus form complete prefabricated assembling type reinforced girder compound floor.
Compared with prior art, the invention has the advantages that
(1), prefabricated assembling type reinforced girder compound floor comprises base plate that precast plate assembles and is cast in above base plate and LIFT between precast plate splicing seams, the concrete poured into a mould can adopt light weight aggregate concrete make integrally-built weight saving and reduce foundation cost, and the anti-seismic performance of building structure is improved, there is enough supporting capacitys and can prefabrication and assembly constructionization construction, can reduction of erection time greatly, easy construction;
(2), the bottom steel plate of precast plate is wrapped in completely in concrete when prefabricated, and after-treatment need not be carried out to it, the construction period of composite floor can be shortened further, and improve the overall performance of floor, bottom steel plate is galvanized steel plain sheet, and it is from heavy and light;
(3), complete the prefabricated of precast plate in the factory and complete the assemble welding of support steel beam, peg, after being transported to scene, only need fluid concrete and complete the installation of floor connector with bolt, without the need to on-the-spot welding, there is the advantage that speed of application is fast, assembly quality is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of I type precast plate in the embodiment of the present invention;
Fig. 1-A be in Fig. 1 A-A to sectional drawing;
Fig. 1-B be in Fig. 1 B-B to sectional drawing;
Fig. 2 is the structural representation of I type precast plate cast light weight aggregate concrete in the embodiment of the present invention;
Fig. 2-A be in Fig. 1 A-A to sectional drawing;
Fig. 2-B be in Fig. 1 B-B to sectional drawing;
Fig. 3 is the structural representation of II type precast plate in the embodiment of the present invention;
Fig. 3-A be in Fig. 3 A-A to sectional drawing;
Fig. 3-B be in Fig. 3 B-B to sectional drawing;
Fig. 4 is the structural representation of II type precast plate cast light weight aggregate concrete in the embodiment of the present invention;
Fig. 4-A be in Fig. 4 A-A to sectional drawing;
Fig. 4 B be in Fig. 4 B-B to sectional drawing;
Fig. 5 is the structural representation that in the embodiment of the present invention, I type precast plate is spliced into base plate;
The composite floor overall schematic of Fig. 6 for being formed after cast in the embodiment of the present invention or after watering band;
Fig. 7 be in the embodiment of the present invention I type precast plate longitudinal spliced in the structural representation that is connected of the 3rd channel-section steel and plug-in type square steel;
Fig. 7-A be in Fig. 7 1-1 to sectional drawing;
Fig. 8 be in the embodiment of the present invention I type precast plate horizontally-spliced in the structural representation that is connected of the first channel-section steel and U-shaped connector;
Fig. 8-A be in Fig. 8 1-1 to sectional drawing;
Fig. 9 be in the embodiment of the present invention between I or II type precast plate and a border by structural representation that the second channel-section steel and the first contour connection part are connected and fixed;
Fig. 9-A be in Fig. 9 1-1 to sectional drawing;
Fig. 9-B be in Fig. 9 2-2 to sectional drawing;
Figure 10 is the structural representation that the second boundary connector being "Ji" type by cross section between I or II type precast plate and another border in the embodiment of the present invention is connected and fixed;
Figure 10-A be in Figure 10 1-1 to sectional drawing;
Figure 10-B be in Figure 10 2-2 to sectional drawing;
Figure 11 is the structural representation of the first channel-section steel in the embodiment of the present invention;
Figure 11-A be in Figure 11 2-2 to sectional drawing;
Figure 11-B be in Figure 11 1-1 to sectional drawing;
Figure 12 is the structural representation of the second channel-section steel in the embodiment of the present invention;
Figure 12-A be in Figure 12 2-2 to sectional drawing;
Figure 12-B be in Figure 12 1-1 to sectional drawing;
Figure 13 is the structural representation of the 3rd channel-section steel in the embodiment of the present invention;
Figure 13-A be in Figure 13 2-2 to sectional drawing;
Figure 13-B be in Figure 13 1-1 to sectional drawing;
Figure 14 is the structural representation of the first contour connection part in the embodiment of the present invention;
Figure 15 is the structural representation of plug-in type square tube in the embodiment of the present invention;
Figure 15-A be in Figure 15 2-2 to sectional drawing;
Figure 15-B be in Figure 15 1-1 to sectional drawing;
Figure 16 is the structural representation of U-shaped connector in the embodiment of the present invention;
Figure 16-A be in Figure 16 2-2 to sectional drawing;
Figure 16-B be in Figure 16 1-1 to sectional drawing;
Figure 17 is the structural representation of the first side block piece accessory in the embodiment of the present invention;
Figure 18 is the structural representation of the second side block piece accessory in the embodiment of the present invention;
Figure 19 is the structural representation of the 3rd side block piece accessory in the embodiment of the present invention;
Figure 20 is the structural representation of the 4th side block piece accessory in the embodiment of the present invention;
Figure 21 is the structural representation of the 5th side block piece accessory in the embodiment of the present invention;
Figure 22 is the structural representation of the 6th side block piece accessory in the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
As shown in Fig. 1 ~ 22, prefabricated assembling type reinforced girder compound floor provided by the invention
Comprise the base plate assembled by precast plate, and be cast in above base plate and LIFT between precast plate splicing seams; Wherein precast plate adopts I type precast plate 1 or II type precast plate 2:
Wherein, I type precast plate 1, comprises and to wind up reinforcing bar 11 by first, the steel bar truss floor support plate that bottom the first lower edge reinforcing bar 12, first web member 13 and first, steel plate 14 forms, bottom first, the left side of steel plate 14 is provided with many groups for assembled the first channel-section steel 15 of precast plate, bottom first, the right side of steel plate 14 is symmetrically arranged with many groups for assembled the first channel-section steel 15 of precast plate or for fixing the second channel-section steel 16 in border, in the present embodiment, the first channel-section steel 15 is identical with the second channel-section steel 16 specification, first channel-section steel 15 or the second channel-section steel 16 upper end are connected with the first web member 13 spot welding, are connected in the middle part of the first channel-section steel 15 or the second channel-section steel 16 with the first lower edge reinforcing bar 12 spot welding, the first channel-section steel 15 or the second channel-section steel 16 lower end be welded on first bottom on steel plate 14, longitudinally between symmetrically arranged first channel-section steel 15 or be provided with connecting reinforcement 3 between the first channel-section steel 15 and the second channel-section steel 16, bottom first, the downside of steel plate 14 is provided with the 3rd channel-section steel 17, the openend of the 3rd channel-section steel 17 is extended with the edge of a wing thus makes cross section be "Ji" type, reinforcing bar 11 spot welding of winding up of the upper end and first of the 3rd channel-section steel 17 is connected, the lower end of the 3rd channel-section steel 17 be welded on first bottom on steel plate 14, bottom first, the surrounding of steel plate 14 is provided with the first baffle plate of the reinforcing bar 11 that highly winds up higher than first, the structure of concrete first baffle plate include with first bottom on the right side of steel plate 14, the first side block piece accessory 101 that left side is all adaptive, and with the second side block piece accessory 102 of upside adaptation, and with the 3rd side block piece accessory 103 of downside adaptation, see Fig. 3, 4, be positioned at the first baffle plate first bottom steel plate 14 is provided with plug hole 4, concrete has been built thus the reinforcing bar 11 that winds up first in the space that first baffle plate surrounds, first lower edge reinforcing bar 12, bottom first web member 13 and first, steel plate 14 is wrapped in concrete, the concrete upper surface of I type precast plate 1 is provided with the reserved conduit 9 of building for light weight aggregate concrete, in addition, bottom first, four boundaries of steel plate 14 are provided with for monitoring the first wooden unit that bottom first, whether steel plate 14 is wrapped up completely by concrete, (as Fig. 1,1-A, 1-B, as shown in Fig. 2,2-A, 2-B)
II type precast plate 2, length in the vertical equals the twice of I type precast plate 1 length in the vertical, II type precast plate 2 width is in the horizontal identical with I type precast plate 1 width in the horizontal, therefore II type precast plate 2 compares I type precast plate 1, its structure lacks the 3rd channel-section steel 17 needing between I type precast plate 1 longitudinal direction to be connected and fixed by the 3rd channel-section steel 17, particularly, II type precast plate 2 comprises and to wind up reinforcing bar 21 by second, the steel bar truss floor support plate that bottom second lower edge reinforcing bar 22, second web member 23 and second, steel plate 24 forms; Bottom second, the left side of steel plate 24 is provided with many groups for assembled the first channel-section steel 15 of precast plate, and bottom second, the right side of steel plate 24 is symmetrically arranged with many groups for assembled the first channel-section steel 15 of precast plate or for fixing the second channel-section steel 16 in border; First channel-section steel 15 or the second channel-section steel 16 upper end are connected with the second web member 23 spot welding, are connected in the middle part of the first channel-section steel 15 or the second channel-section steel 16 with the second lower edge reinforcing bar 22 spot welding, the first channel-section steel 15 or the second channel-section steel 16 lower end be welded on second bottom on steel plate 24; Longitudinally between symmetrically arranged first channel-section steel 15 or be provided with connecting reinforcement 3 between the first channel-section steel 15 and the second channel-section steel 16; Bottom second, steel plate 24 surrounding is provided with the second baffle of the reinforcing bar 21 that highly winds up higher than second, the structure of concrete second baffle include with second bottom on the right side of steel plate 24, all adaptive the 4th side block piece accessory 104 in left side, and with the 5th side block piece accessory 105 of upside adaptation and the 6th side block piece accessory 106 with downside adaptation, see Fig. 3,4, be positioned at second baffle second bottom steel plate 24 is provided with plug hole 4; Concrete has been built thus the reinforcing bar 21 that winds up second in the space that second baffle surrounds, second lower edge reinforcing bar 22, bottom second web member 23 and second, steel plate 24 is wrapped in concrete, the concrete upper surface of II type precast plate 2 is provided with the reserved conduit 9 of building for light weight aggregate concrete, in addition, bottom second four boundaries of steel plate 24 be provided with for monitor the second wooden unit that whether steel plate bottom second 24 wrapped up completely by concrete (as Fig. 3,3-A, 3-B, as shown in Fig. 4,4-A, 4-B).
And base plate can be assembled by some I type precast plates 1, or assembled by some II type precast plates 2, or assembled by some I type precast plates 1 and II type precast plate 2;
When entirely being assembled by some I type precast plates 1, concrete connected mode is: first splice two pieces of adjacent I type precast plates 1, at longitudinal direction, two pieces of adjacent I type precast plate 1 longitudinally alignment, then the 3rd channel-section steel 17 of top I type precast plate 1 is made to align with the 3rd channel-section steel 17 of below I type precast plate 1, then wear upper and lower two the 3rd channel-section steel 17 inside the plug-in type square tube 5 that a cross section is square shape, periphery wall energy coordinates with the 3rd channel-section steel 17 internal perisporium, finally by two groups of bolts 30, plug-in type square tube 5 and upper and lower two the 3rd channel-section steels 17 are connected and fixed, again the first contour connection part 7 being "Ji" type by the second channel-section steel 16 and cross section between spliced two pieces of I type precast plates 1 and a border is connected and fixed, the internal perisporium of this first contour connection part 7 matches consistent with the periphery wall of the second channel-section steel 16, then by bolt 30, first contour connection part 7 is connected and fixed with border girder steel, or directly by pre-embedded bolt 30, first contour connection part 7 is connected and fixed with border girder steel, and and the second boundary connector 8 being "Ji" type by cross section between another border be connected and fixed, in I type precast plate 1, the first lower edge reinforcing bar 12 is connected with the spot welding of the second boundary connector 8 inwall, be connected and fixed by pre-embedded bolt 30 or bolt 30 between the second boundary connector 8 and border girder steel, and two of centre pieces of I type precast plates 1 can be one or more groups, concrete quantity is determined according to concrete condition of construction, during installation, by two pieces of adjacent I type precast plate 1 lateral alignment, then the first channel-section steel 15 of left side I type precast plate 1 is made to align with the first channel-section steel 15 of the right I type precast plate 1, then two outer sheathed U-shaped connectors 6 of the first channel-section steel 15 in left and right, by two groups of bolts 30, U-shaped connector 6 is connected and fixed with two, left and right the first channel-section steel 15, (as Fig. 5, 7, 7-A, Fig. 8, shown in 8-A).
When entirely being assembled by some II type precast plates 2, because II type precast plate 2 length in the vertical equals the twice of I type precast plate 1 length in the vertical, therefore difference when assembling with I type precast plate 1 is: do not need two pieces of II type precast plates 2 to be connected by the 3rd channel-section steel 17 in a longitudinal direction, and be connected and fixed by the second channel-section steel 16 and the first contour connection part 7 between II type precast plate 2 and a border, be connected and fixed (concrete mode is as I type precast plate 1) by the second boundary connector 8 between II type precast plate 2 and another border, and middle II type precast plate 2 can be one or more groups, concrete quantity is determined according to concrete condition of construction, during installation, by two pieces of adjacent II type precast plate 2 lateral alignment, then the first channel-section steel 15 of left side II type precast plate 2 is made to align with the first channel-section steel 15 of the right II type precast plate 2, then two outer sheathed U-shaped connectors 6 of the first channel-section steel 15 in left and right, finally by two groups of bolts 30, U-shaped connector 6 is connected and fixed (as Fig. 9 with two, left and right the first channel-section steel 15, 9-A, 9-B, Figure 10, 10-A, shown in 10-B).
And the border of adjacent I type precast plate 1 and II type precast plate 2 and laterally between connected mode the same.
The joining method of above-mentioned prefabricated assembling type reinforced girder compound floor, comprises following operation:
(1), at factory's processing and fabricating I type precast plate 1, II type precast plate 2, plug-in type square tube 5, U-shaped connector 6, first contour connection part 7 and the second boundary connector 8 in advance;
(2), according to real size requirement, two pieces of I type precast plates 1 or one piece of II type precast plate 2 are spliced in side, border at the construction field (site), opposite side border is spliced two pieces of I type precast plates 1 or one piece of II type precast plate 2, and then splicing intermediate prefabricated plate successively, intermediate prefabricated plate can select two pieces of I type precast plates 1 or one piece of II type precast plate 2 equally; During concrete splicing:
Two pieces of I type precast plates 1 or one piece of II type precast plate 2 are fixed with side contour connection;
Again two pieces of I type precast plates 1 or one piece of II type precast plate 2 are fixed with opposite side contour connection;
Again lateral connection between two pieces of I type precast plates 1 on two pieces of I type precast plates 1 or one piece of II type precast plate 2 and left side and right side or one piece of II type precast plate 2 is fixed, by that analogy, complete the splicing of intermediate prefabricated plate, thus form the base plate of prefabricated assembling type reinforced girder compound floor; When selecting two pieces of I type precast plates 1 to carry out assembled, need to carry out longitudinal connection by between two pieces of I type precast plates 1;
(3), after the base plate paving of prefabricated assembling type reinforced girder compound floor puts in place, the splicing seams detecting precast plate whether stable connection and contour connection part whether all fixing after, last above base plate and between precast plate splicing seams and pour into a mould the LIFT 40 of light weight aggregate concrete 50 or cement mortar in the conduit of surrounding border, the surface of LIFT needs smooth, and the density at splicing seams and conduit place, surrounding border should be ensured, thus form complete prefabricated assembling type reinforced girder compound floor.
Claims (9)
1. a prefabricated assembling type reinforced girder compound floor, is characterized in that: comprise the base plate assembled by precast plate, and is cast in above bottom plate and LIFT between precast plate splicing seams; Wherein precast plate adopts I type precast plate (1) or II type precast plate (2):
I type precast plate (1), comprises and to wind up reinforcing bar (11) by first, the first lower edge reinforcing bar (12), the steel bar truss floor support plate that bottom the first web member (13) and first, steel plate (14) forms; Bottom described first, the left side of steel plate (14) is provided with many groups for assembled the first channel-section steel (15) of precast plate, and bottom described first, the right side of steel plate (14) is symmetrically arranged with many groups for assembled the first channel-section steel (15) of precast plate or for fixing the second channel-section steel (16) in border; First channel-section steel (15) or the second channel-section steel (16) upper end are connected with the first web member (13) spot welding, first channel-section steel (15) or the second channel-section steel (16) middle part are connected with the first lower edge reinforcing bar (12) spot welding, the first channel-section steel (15) or the second channel-section steel (16) lower end be welded on first bottom on steel plate (14); Longitudinally between symmetrically arranged first channel-section steel (15) or be provided with connecting reinforcement (3) between the first channel-section steel (15) and the second channel-section steel (16); Bottom described first, the downside of steel plate (14) is provided with the 3rd channel-section steel (17), the openend of the 3rd channel-section steel (17) is extended with the edge of a wing thus makes cross section be "Ji" type, reinforcing bar (11) spot welding of winding up of the upper end and first of the 3rd channel-section steel (17) is connected, the lower end of the 3rd channel-section steel (17) be welded on first bottom on steel plate (14); Bottom first, the surrounding of steel plate (14) is provided with the first baffle plate, be positioned at the first baffle plate first bottom steel plate (14) is provided with plug hole (4), concrete has been built thus the reinforcing bar (11) that winds up first in the space that first baffle plate surrounds, first lower edge reinforcing bar (12), bottom the first web member (13) and first, steel plate (14) is wrapped in concrete;
II type precast plate (2), comprises and to wind up reinforcing bar (21) by second, the second lower edge reinforcing bar (22), the steel bar truss floor support plate that bottom the second web member (23) and second, steel plate (24) forms; Bottom described second, the left side of steel plate (24) is provided with many groups for assembled the first channel-section steel (15) of precast plate, and bottom described second, the right side of steel plate (24) is symmetrically arranged with many groups for assembled the first channel-section steel (15) of precast plate or for fixing the second channel-section steel (16) in border; First channel-section steel (15) or the second channel-section steel (16) upper end are connected with the second web member (23) spot welding, first channel-section steel (15) or the second channel-section steel (16) middle part are connected with the second lower edge reinforcing bar (22) spot welding, the first channel-section steel (15) or the second channel-section steel (16) lower end be welded on second bottom on steel plate (24); Longitudinally between symmetrically arranged first channel-section steel (15) or be provided with connecting reinforcement (3) between the first channel-section steel (15) and the second channel-section steel (16); Bottom second, steel plate (24) surrounding is provided with second baffle, be positioned at second baffle second bottom steel plate (24) is provided with plug hole (4); Built concrete in the space that second baffle surrounds thus the reinforcing bar (21) that winds up second, the second lower edge reinforcing bar (22), bottom the second web member (23) and second, steel plate (24) is wrapped in concrete;
Described base plate is assembled by some I type precast plates (1), or is assembled by some II type precast plates (2), or is assembled by some I type precast plates (1) and II type precast plate (2); During assembling, I type precast plate (1) or be connected and fixed by the second channel-section steel (16) and the first contour connection part (7) between II type precast plate (2) and a border, I type precast plate (1) or be connected and fixed by the second boundary connector (8) between II type precast plate (2) and another border, adjacent two pieces of I type precast plates (1) laterally between be connected and fixed by the first channel-section steel (15); Be connected and fixed by the first channel-section steel (15) between adjacent two pieces of II type precast plates (2) are horizontal; Be connected and fixed by the first channel-section steel (15) between adjacent I type precast plate (1) and II type precast plate (2) transverse direction, be connected and fixed by the 3rd channel-section steel (17) between two pieces of adjacent I type precast plates (1) are longitudinal.
2. prefabricated assembling type reinforced girder compound floor according to claim 1, it is characterized in that: two pieces of adjacent described I type precast plates (1) longitudinally between the concrete connected mode that is connected and fixed by described 3rd channel-section steel (17) be: two pieces of adjacent I type precast plates (1) are longitudinally alignd, then the 3rd channel-section steel (17) of top I type precast plate (1) is made to align with the 3rd channel-section steel (17) of below I type precast plate (1), then wearing a cross section upper and lower two the 3rd channel-section steel (17) inside is square shape, the plug-in type square tube (5) that periphery wall energy coordinates with the 3rd channel-section steel (17) internal perisporium, finally by two groups of bolts (30), plug-in type square tube (5) and upper and lower two the 3rd channel-section steels (17) are connected and fixed.
3. prefabricated assembling type reinforced girder compound floor according to claim 2, it is characterized in that: adjacent two pieces of described I type precast plates (1) laterally between the concrete connected mode that is connected and fixed by described first channel-section steel (15) be: by two pieces of adjacent I type precast plate (1) lateral alignment, then first channel-section steel (15) on left side I type precast plate (1) is made to align with first channel-section steel (15) on the right I type precast plate (1), then two the first channel-section steels (15) sheathed U-shaped connector (6) outward in left and right, finally by two groups of bolts (30), U-shaped connector (6) and two, left and right the first channel-section steel (15) are connected and fixed,
Connected mode between adjacent two pieces of II type precast plates (2) are horizontal is the same;
Connected mode between adjacent I type precast plate (1) and II type precast plate (2) transverse direction is the same.
4. prefabricated assembling type reinforced girder compound floor according to claim 3, is characterized in that: the concrete connected mode be connected and fixed by described second channel-section steel (16) between described I type precast plate (1) and a border is:
Described second channel-section steel (16) outward a sheathed cross section be the first contour connection part (7) of "Ji" type, the internal perisporium of this first contour connection part (7) matches consistent with the periphery wall of the second channel-section steel (16), then by bolt (30), the first contour connection part (7) and border girder steel are connected and fixed, or directly by pre-embedded bolt (30), the first contour connection part (7) and border girder steel are connected and fixed;
Connected mode between II type precast plate (2) and a border is the same.
5. prefabricated assembling type reinforced girder compound floor according to claim 3, it is characterized in that: the connected mode between described I type precast plate (1) and another border is: the cross section of the second boundary connector (8) is "Ji" type, in I type precast plate (1), the first lower edge reinforcing bar (12) is connected with the second boundary connector (8) inwall spot welding, is connected and fixed between the second boundary connector (8) and border girder steel by pre-embedded bolt or bolt (30);
Connected mode between II type precast plate (2) and another border is the same.
6. prefabricated assembling type reinforced girder compound floor according to claim 5, it is characterized in that: described II type precast plate (2) length in the vertical equals the twice of I type precast plate (1) length in the vertical, and described II type precast plate (2) width is in the horizontal identical with I type precast plate (1) width in the horizontal.
7. prefabricated assembling type reinforced girder compound floor according to claim 6, is characterized in that: the height of described first baffle plate to wind up reinforcing bar (11) higher than first; The height of described second baffle to wind up reinforcing bar (21) higher than second.
8. prefabricated assembling type reinforced girder compound floor according to claim 7, is characterized in that: the concrete upper surface of described I type precast plate (1) and II type precast plate (2) is provided with the reserved conduit (9) of building for light weight aggregate concrete.
9. prefabricated assembling type reinforced girder compound floor according to claim 8, is characterized in that: bottom described first, four boundaries of steel plate (14) are provided with the first wooden unit whether wrapped up completely by concrete for monitoring steel plate bottom first (14); Bottom described second, four boundaries of steel plate (24) are provided with the second wooden unit whether wrapped up completely by concrete for monitoring steel plate bottom second (24).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520451211.7U CN204850192U (en) | 2015-06-25 | 2015-06-25 | Prefabricated assembled steel bar truss combination floor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520451211.7U CN204850192U (en) | 2015-06-25 | 2015-06-25 | Prefabricated assembled steel bar truss combination floor |
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| CN204850192U true CN204850192U (en) | 2015-12-09 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104947837A (en) * | 2015-06-25 | 2015-09-30 | 宁波大学 | Prefabricated steel bar truss combined floor and splicing method thereof |
| CN106836627A (en) * | 2017-03-05 | 2017-06-13 | 北京工业大学 | A kind of prefabricated lightweight floor |
-
2015
- 2015-06-25 CN CN201520451211.7U patent/CN204850192U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104947837A (en) * | 2015-06-25 | 2015-09-30 | 宁波大学 | Prefabricated steel bar truss combined floor and splicing method thereof |
| CN106836627A (en) * | 2017-03-05 | 2017-06-13 | 北京工业大学 | A kind of prefabricated lightweight floor |
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