CN203334491U

CN203334491U - Truss concrete laminated slab

Info

Publication number: CN203334491U
Application number: CN2013204077592U
Authority: CN
Inventors: 张昭祥; 蒋路; 贾正桐
Original assignee: BAOSTEEL BUILDING SYSTEM INTEGRATION Co Ltd
Current assignee: Shanghai Baogang Construction Engineering Design Co ltd
Priority date: 2013-07-09
Filing date: 2013-07-09
Publication date: 2013-12-11
Anticipated expiration: 2023-07-09

Abstract

A truss concrete laminated slab comprises a prefabricated layer, wherein the prefabricated layer comprises a truss reinforcing steel bar net and a concrete layer arranged below the truss reinforcing steel bar net. Each truss is mainly composed of a lower chord, an upper chord and a web member, wherein each upper chord is connected with each lower chord through one of the web members. The truss reinforcing steel bar net is mainly composed of the plurality of trusses, additional reinforcing steel bars and the like, wherein each additional reinforcing steel bar is placed on and perpendicular to the lower chord of one of the trusses. The truss concrete laminated slab has the advantages of being good in economical efficiency, convenient to construct, free of temporary supports, capable of shortening the construction period, good in integrality and the like, and the decoration project amount in the later period can be effectively reduced.

Description

A kind of truss concrete folding plate

Technical field

The utility model relates to the building unit technical field, particularly a kind of truss concrete folding plate.

Background technology

Floor is as the main member of building structure, and the advanced degree of its form and technology had a significant impact for quality, cost, the duration of engineering.Superimposed sheet, due to the advantage that has fully-prefabricated assembled floor and Bars In Poured Concrete Slab concurrently, is paid attention to widely.But common precast slab for superimposed sheet rigidity is little, during construction, need to support, reinforcing bar binding is loaded down with trivial details, has a strong impact on construction speed; In addition, the later stage need install the framework of support floor again and the pipelines such as power supply, water supply space used etc. is set while fitting up, and causes the later stage finishing to be wasted time and energy.

Summary of the invention

The purpose of this utility model is to provide a kind of truss concrete folding plate, its there is good economy performance, easy construction and without temporary supporting, can shorten the construction period, the advantage such as good integrity, and can effectively reduce later stage fitting-out work amount.

For achieving the above object, the technical solution of the utility model is:

A kind of truss concrete folding plate, it comprises, preformed layer, it comprises the layer of concrete of truss bars net and its underpart; Described truss mainly is comprised of the web member of lower chord, upper chord and connection; Described truss bars host will be by some truss, be held on each truss lower chord and form perpendicular to the additional bar of truss lower chord; Overlapping layers, it is the cast-in-situ concrete layer be positioned on described preformed layer, buries steel mesh reinforcement in overlapping layers underground, and steel mesh reinforcement connects described preformed layer truss, and steel mesh reinforcement comprises truss bars, the additional bar vertical with pricncipal rafter.

Further, described truss is four muscle type truss, comprises that a upper chord, web member, lower chord and a root bead are connected on the i.e. plain bars parallel with lower chord of vertical muscle on web member, wherein, upper and lower chord member is connected by web member, has four reinforcing bars, forms four muscle type truss; Or be five muscle type truss, comprise a upper chord, two web members, two lower chords, wherein upper and lower chord member is connected by web member, has five reinforcing bars, forms five muscle type truss; Or be three muscle type truss, comprise a upper chord, a web member, a lower chord, wherein, upper and lower chord member is connected by web member, has three reinforcing bars, forms three muscle type truss.

Again, the web member of described truss is the shape of falling M, or wide end W shape, or W shape.

The upper chord of described truss is the normal tape rib reinforcement, or plain bar, or steel pipe, or reinforcing bar is welded with angle steel.

In addition, the upper chord of described truss is outside the overlapping layers concrete, or in the overlapping layers concrete.

Arrange vertical muscle between described some truss and with lower chord sustained height place, the part truss that is positioned at the superimposed sheet inboard in described some truss can substitute with vertical muscle.

The beneficial effects of the utility model:

1. due to the existence of truss, effectively improve the rigidity of precast plate, enlarged its span without Construction of Supporting; In the time of outside upper chord is positioned at overlapping layers, because depth of truss is large, thereby make without supporting span larger.

2. while adopting the shape of falling M and wide end W shape web member, can reduce the unbraced length of upper chord, improve its stability, and then increase the applicable span of nothing support of floor.

3. while adopting four muscle type truss, can effectively improve the stability of web member, reduce the web member diameter; Simultaneously, can locate cross direction profiles muscle in overlapping layers.

4. upper chord is positioned at outside plate, and the support while can be used as laying floor has been created space for the laying of pipeline simultaneously, has effectively reduced later stage decoration construction amount.

5. the mode that upper chord adopts steel pipe and reinforcing bar to be welded with angle steel makes the coefficient of stability improve, and can improve its stability, and then enlarges the nothing support span of floor.

The accompanying drawing explanation

Fig. 1 is the drawing in side sectional elevation of the utility model embodiment 1;

Fig. 2 is the longitudinal plan of the utility model embodiment 1;

Fig. 3 is the elevation of four muscle type truss in the utility model embodiment 1;

Fig. 4 is the A-A sectional drawing of Fig. 3;

Fig. 5 is the drawing in side sectional elevation of the utility model embodiment 2;

Fig. 6 is the longitudinal plan of the utility model embodiment 2;

Fig. 7 is five muscle type truss elevation in the utility model embodiment 2;

Fig. 8 is the B-B sectional drawing of Fig. 7;

Fig. 9 is the drawing in side sectional elevation of the utility model embodiment 3;

Figure 10 is the longitudinal plan of the utility model embodiment 3;

The drawing in side sectional elevation of superimposed sheet when Figure 11 is the utility model embodiment 4;

Figure 12 is the elevation of three muscle type truss in the utility model embodiment 4;

Figure 13 is the C-C sectional drawing of Figure 12;

Figure 14 is the drawing in side sectional elevation of the utility model embodiment 5;

Figure 15 is the drawing in side sectional elevation of the utility model embodiment 6;

Figure 16 is the drawing in side sectional elevation of the utility model embodiment 7;

Figure 17 is the drawing in side sectional elevation of the utility model embodiment 8;

Figure 18 is the shape of falling M web member schematic diagram described in the utility model truss concrete folding plate;

Figure 19 is wide end W shape web member schematic diagram described in the utility model truss concrete folding plate;

Figure 20 is the schematic diagram of W shape web member described in the utility model truss concrete folding plate.

The specific embodiment

Referring to Fig. 1～Fig. 4, the truss concrete folding plate of the utility model embodiment 1, comprise preformed layer 1, overlapping layers 2; Preformed layer 1, it comprises the layer of concrete 12 of truss bars net 11 and its underpart; Described truss 13 comprises lower chord 131, upper chord 132, connect both web members 133 and be welded on web member 133 and be parallel to the vertical muscle 134 of upper chord 132, is four muscle type truss; Described truss bars net 11 mainly by some truss 13, be held on each truss lower chord 131 and form perpendicular to the additional bar 14 of truss lower chord 131; Overlapping layers 2, it is the cast-in-situ concrete layer be positioned on described preformed layer 1, buries steel mesh reinforcement 3 in overlapping layers 2 underground, and steel mesh reinforcement 3 connects described preformed layer truss 13, and steel mesh reinforcement comprises vertical muscle 134 and the additional bar 32 vertical with upper chord 132 in truss bars; Upper chord 132 is positioned at outside overlapping layers 2; The effect of vertical muscle 134 is to provide stable support to web member 133, reduces web member 133 diameters, simultaneously, but the additional bar 32 of vertical upper chord 132 in location-plate.

Upper chord 132, outside overlapping layers 2, can be used as floor stand, and can be pipeline and bury space for the creativity underground; When operational phase does not need, can cut recycling.

Referring to Fig. 5～Fig. 8, the truss concrete folding plate of the utility model embodiment 2, comprise preformed layer 1, overlapping layers 2; Preformed layer 1, it comprises the layer of concrete 12 of truss bars net 11 and its underpart; Described truss 13 comprises lower chord 131, upper chord 132 and the web member 133 that is connected both, is five muscle type truss; Described truss bars net 11 mainly by some truss 13, be held on each truss lower chord 131 and form perpendicular to the additional bar 14 of truss lower chord 131; Overlapping layers 2, it is the cast-in-situ concrete layer be positioned on described preformed layer 1, buries steel mesh reinforcement 3 in overlapping layers 2 underground, and steel mesh reinforcement 3 connects described preformed layer truss 13, steel mesh reinforcement comprises truss bars 133, reaches the additional bar 32 vertical with upper chord 132, and upper chord 132 is positioned at outside overlapping layers 2.

Referring to Fig. 9, Figure 10, the truss concrete folding plate of the utility model embodiment 3, the difference of itself and embodiment 2 is: the upper chord 132 of truss 13 is positioned at overlapping layers 2, and the additional bar 32 of upper chord 132 and vertical upper chord 132 is connected to form steel mesh reinforcement 3.

With reference to Figure 11～Figure 13, the truss concrete folding plate of the utility model embodiment 4, the difference of itself and embodiment 3 is: truss 13 is three muscle type truss.

Referring to Figure 14, the truss concrete folding plate of the utility model embodiment 5, the difference of itself and embodiment 4 is: 13 of three muscle type truss, the interior vertical muscle 15 in bottom and the interior upper longitudinal bar 31 of having arranged of overlapping layers 2 of having arranged of preformed layer 1.

Referring to Figure 15, the truss concrete folding plate of the utility model embodiment 6, the difference of itself and embodiment 3 is: at truss 13(five muscle type truss) between, the interior vertical muscle 15 in bottom and the interior upper longitudinal bar 31 of having arranged of overlapping layers 2 of having arranged of preformed layer 1.

Referring to Figure 16, the truss concrete folding plate of the utility model embodiment 7, the difference of itself and embodiment 1 is: at truss 13(tetra-muscle type truss) between, the interior vertical muscle 15 in bottom and the interior upper longitudinal bar 31 of having arranged of overlapping layers 2 of having arranged of preformed layer 1.

Referring to Figure 17, the truss concrete folding plate of the utility model embodiment 8, the difference of itself and embodiment 2 is: at truss 13(five muscle type truss) between, the interior vertical muscle 15 in bottom and the interior upper longitudinal bar 31 of having arranged of overlapping layers 2 of having arranged of preformed layer 1.

Referring to Figure 18～Figure 20, the web member 133 of truss 13 described in the utility model can be the shape of falling M, wide end W shape or W shape.

As shown in figure 19, the web member 133 of described truss 13 is wide end W shape, between its web member reinforcing bar pad adjacent with the upper chord reinforcing bar, apart from a, is less than the distance b between web member reinforcing bar pad adjacent with the lower edge reinforcing bar.

As shown in figure 20, the web member 133 of described truss 13 is W shape, between its web member reinforcing bar pad adjacent with the upper chord reinforcing bar, apart from a, equals the distance b between web member reinforcing bar pad adjacent with the lower chord reinforcing bar.

Claims

1. a truss concrete folding plate, is characterized in that, comprise,

Preformed layer, it comprises the layer of concrete of truss bars net and its underpart; Described truss mainly is comprised of the web member of lower chord, upper chord and connection; Described truss bars host will be by some truss, be held on each truss lower chord and form perpendicular to the additional bar of truss lower chord;

Overlapping layers, it is the cast-in-situ concrete layer be positioned on described preformed layer, buries steel mesh reinforcement in overlapping layers underground, and steel mesh reinforcement connects described preformed layer truss, and steel mesh reinforcement comprises truss bars, the additional bar vertical with pricncipal rafter.

2. truss concrete folding plate as claimed in claim 1, it is characterized in that, described truss is four muscle type truss, comprise that a upper chord, web member, lower chord and a root bead are connected on the i.e. plain bars parallel with lower chord of vertical muscle on web member, wherein, upper and lower chord member is connected by web member, has four reinforcing bars, forms four muscle type truss; Or be five muscle type truss, comprise a upper chord, two web members, two lower chords, wherein upper and lower chord member is connected by web member, has five reinforcing bars, forms five muscle type truss; Or be three muscle type truss, comprise a upper chord, a web member, a lower chord, wherein, upper and lower chord member is connected by web member, has three reinforcing bars, forms three muscle type truss.

3. truss concrete folding plate as claimed in claim 1 or 2, is characterized in that, the web member of described truss is the shape of falling M, or wide end W shape, or W shape.

4. truss concrete folding plate as claimed in claim 1 or 2, is characterized in that, the upper chord of described truss is the normal tape rib reinforcement, or plain bar, or steel pipe, or reinforcing bar is welded with angle steel.

5. truss concrete folding plate as claimed in claim 3, is characterized in that, the upper chord of described truss is the normal tape rib reinforcement, or plain bar, or steel pipe, or reinforcing bar is welded with angle steel.

6. truss concrete folding plate as claimed in claim 1 or 2, is characterized in that, the upper chord of described truss is outside the overlapping layers concrete, or in the overlapping layers concrete.

7. truss concrete folding plate as claimed in claim 3, is characterized in that, the upper chord of described truss is outside the overlapping layers concrete, or in the overlapping layers concrete.

8. truss concrete folding plate as claimed in claim 4, is characterized in that, the upper chord of described truss is outside the overlapping layers concrete, or in the overlapping layers concrete.

9. truss concrete folding plate as claimed in claim 1 or 2, is characterized in that, between described some truss and with lower chord sustained height place, arranges vertical muscle.

10. truss concrete folding plate as claimed in claim 6, is characterized in that, between described some truss and with lower chord sustained height place, arranges vertical muscle.