CN201679227U - Template-supporting device of cast-in-place concrete floor slab of box-shaped beam with steel frame structure - Google Patents

Abstract

The utility model discloses a template-supporting device of a cast-in-place concrete floor slab of a box-shaped beam with a steel frame structure, which comprises a plurality of box-shaped cross section beams, a plurality of corbels, two horizontal scaffold steel pipes, a plurality of vertical scaffold steel pipes, a plurality of steel pipe fasteners, a plurality of wood templates, a plurality of tie bar steel pipes and a plurality of pile woods, wherein the two horizontal scaffold steel pipes and the plurality of vertical scaffold steel pipes form a plurality of scaffold steel pipe trusses, the plurality of scaffold steel pipe trusses are connected with the plurality of tie bar steel pipes through the plurality of steel pipe fasteners, the corbels are welded on the box-shaped cross section beam, the lower ends of the scaffold steel pipe trusses are arranged at the corbels, the pile woods are placed on the upper ends of the scaffold steel pipe trusses, the plurality of wood templates are placed on the pile woods, each corbel adopts an 100*10 angle iron, the length of each corbel is 200mm, the length of each welding line among each limb back, each limb sharp and each box-shaped cross section beam is not less than 100mm, and the height of each welding line is 6mm. The template-supporting device adopts the wood templates, is optional in manufacturing and assembling, omits the top support of the steel pipe, and reduces the site working capacity, can multi-levelly and stereoscopically work due to template support, and accelerates the construction speed.

Description

The mould plate supporting device of steel framed structure box type girder cast-in-place concrete floor

Technical field

The utility model relates to building field, relates in particular to a kind of mould plate supporting device of steel framed structure box type girder cast-in-place concrete floor.

Background technology

Multi-rise building adopts steel work, has from heavy and light, advantage such as anti-seismic performance is good, speed of application is fast, environment pollution is little, and China's multi-rise building adopts steel work more and more general.What steel framed structure application at present was more is common cast-in-place concrete floor and profiled sheet-cast-in-situ concrete composite floor.

But also there is following problem in it:

1) common cast-in-place concrete floor need be installed a large amount of the templates supports in flooring, and construction speed is slow.

2) profiled sheet need be provided with the end anchor firmware, has increased the complexity of construction.

3) if will consider the compound action of profiled sheet and concrete floor, removing needs to adopt special shape or special tectonic, to the durability of steel plate with prevent fires requirement is also arranged; Otherwise the template of steel plate during just as floor slab construction is promptly ineffective after construction is finished, and needs to consume great deal of steel.

4) profiled sheet can not bear separately and not tie hard concrete load and working load, need establish and vertically support between striding temporarily, comprises sub-truss and shores in the steel pipe of flooring, has slowed down construction speed, increases Master Cost.

Summary of the invention

The purpose of this utility model is to overcome the prior art deficiency, and a kind of mould plate supporting device of steel framed structure box type girder cast-in-place concrete floor is provided.

The mould plate supporting device of steel framed structure box type girder cast-in-place concrete floor comprises box-type section beam, bracket, horizontal scaffold member steel pipe, vertical scaffolding steel pipe, steel tube fastener, wooden form, tie-rod steel pipe, stupefied wood; 2 horizontal scaffold member steel pipes and many vertical scaffolding steel pipes are connected to form the scaffolding steel pipe truss by steel tube fastener, the above scaffolding steel pipe truss of 2 Pin is connected by steel tube fastener with 2 above tie-rod steel pipes, bracket is welded in the box-type section beam, scaffolding steel pipe truss lower end places bracket, the stupefied wood of scaffolding steel pipe truss upper ends, place wooden form on the stupefied wood, bracket adopts 100 * 10 angle steel, 200 millimeters of length, the limb back of the body of bracket, the fusion length of acropodium and box-type section beam respectively is not less than 100 millimeters, weld bead height is 6 millimeters, acropodium at the bottom of the box-type section beam 20 millimeters.

Described two adjacent box-type section case bays are during less than 3 meters, and adjacent two Pin scaffolding steel pipe truss spaces are not more than 2.5 meters; When two adjacent box-type section case bays were 3 meters to 5 meters, adjacent two Pin scaffolding steel pipe truss spaces were not more than 0.9 meter; When two adjacent box-type section case bays were 5 meters to 7 meters, adjacent two Pin scaffolding steel pipe truss spaces were not more than 0.5 meter.The aspect ratio box-type section depth of beam of described scaffolding steel pipe truss is little 10 centimetres to 12 centimetres.Place the spacing of stupefied wood on the described horizontal scaffold member steel pipe at 20 centimetres to 30 centimetres.The upper surface of described wooden form flushes with the box-type section top surface of the beam.

The utility model is compared the beneficial effect that has with background technology:

1) adopt wooden form, it is random to make assembly unit.

2) save steel pipe and shored, reduced the site work amount.

3) template is supported on the bottom flange of beam in the utility model, for various work post operations provide spacious working platform, can the layer stereo operation, and accelerating construction progress.

Description of drawings

Fig. 1 is the sectional drawing of support arrangement;

Fig. 2 is the plan view of support arrangement;

Among the figure: box-type section beam 1, bracket 2, horizontal scaffold member steel pipe 3, vertical scaffolding steel pipe 4, steel tube fastener 5, wooden form 6, tie-rod steel pipe 7, stupefied wooden 9.

The specific embodiment

The mould plate supporting device of steel framed structure box type girder cast-in-place concrete floor comprises box-type section beam 1, bracket 2, horizontal scaffold member steel pipe 3, vertical scaffolding steel pipe 4, steel tube fastener 5, wooden form 6, tie-rod steel pipe 7, stupefied wooden 9; 2 horizontal scaffold member steel pipes 3 are connected to form scaffolding steel pipe truss 8 with many vertical scaffolding steel pipes 4 by steel tube fastener 5, the above scaffolding steel pipe truss 8 of 2 Pin is connected by steel tube fastener 5 with 2 above tie-rod steel pipes 7, bracket 2 is welded in box-type section beam 1, scaffolding steel pipe truss 8 lower ends place bracket 2, scaffolding steel pipe truss 8 upper ends stupefied wooden 9, place wooden form 6 on stupefied wooden 9, bracket 2 adopts 100 * 10 angle steel, 200 millimeters of length, the limb back of the body of bracket 2, the limb shoulder respectively is not less than 100 millimeters with the fusion length of box-type section beam 1, weld bead height is 6 millimeters, acropodium at the bottom of the box-type section beam 20 millimeters.

Described two adjacent box-type section beam 1 spacings are during less than 3 meters, and adjacent two Pin scaffolding steel pipe truss, 8 spacings are not more than 2.5 meters; When two adjacent box-type section beam 1 spacings were 3 meters to 5 meters, adjacent two Pin scaffolding steel pipe truss, 8 spacings were not more than 0.9 meter; When two adjacent box-type section beam 1 spacings were 5 meters to 7 meters, adjacent two Pin scaffolding steel pipe truss, 8 spacings were not more than 0.5 meter.The aspect ratio box-type section beam 1 of described scaffolding steel pipe truss 8 is highly little 10 centimetres to 12 centimetres.Place stupefied wooden 9 spacing on the described horizontal scaffold member steel pipe 3 at 20 centimetres to 30 centimetres.The upper surface of described wooden form 6 flushes with box-type section beam 1 end face.

Embodiment.Be provided with a steel framed structure, box-type section case bay 3m, scaffolding steel pipe rise of a truss 0.4m, spacing 2.5m.Wooden form thickness 18mm, stupefied wood adopts 50mm * 100mm, stupefied wooden spacing 300mm, modulus of elasticity of wood 10000N/mm ², flexural strength 13N/mm ²The scaffolding steel pipe truss adopts The Q235 steel of 48 * 2mm, modulus of elasticity 2.06 * 10 ⁵N/mm ², intensity 215N/mm ²The dead load standard value is: template deadweight 0.3kN/m ², the thick ordinary concrete plate of 150mm 3.6kN/m ²The mobile load standard value is: constructor and equipment 2.5kN/m ²During the supporting capacity checking computations, the design load on the template is 1.2 * 3.9+1.4 * 2.5=8.18kN/m ², template is the one-way slabs of span 2.5m, gets the wide strip of 0.3m, its maximum stress in bend is

Being subjected to line load on the scaffolding steel pipe truss is 8.18 * 2.5=20.45kN/m, and span 3m bears moment of flexure by the horizontal scaffold member steel pipe, maximum stress ${\mathrm{\&sigma;}}_2=\frac{1/{8\mathrm{ql}}^2}{W}=\frac{{20.45\&times;3000}^2}{8\&times;2.327\&times;{10}^7/200}197.7N/{\mathrm{<figure-callout\; id="2"\; label="mm"\; filenames="H2009201990145E00011.png"\; state="\{\{state\}\}">mm</figure-callout>}}^2<\left[{215N/\mathrm{mm}}^2\right],$ Vertical scaffolding steel pipe bears shearing, maximum stress ${\mathrm{\&sigma;}}_3=\frac{1/2\mathrm{ql}}{A}=\frac{20.45\&times;3000}{2\&times;289}=106.1N/{\mathrm{<figure-callout\; id="2"\; label="mm"\; filenames="H2009201990145E00011.png"\; state="\{\{state\}\}">mm</figure-callout>}}^2<\left[{215N/\mathrm{mm}}^2\right].$ During deformation analysis, disregard shear strain, the load of template is 0.3+3.6=3.9kN/m ², the template maximum defluxion is ${\mathrm{\&delta;}}_1=\frac{{5\mathrm{<figure-callout\; id="4"\; label="ql"\; filenames="H2009201990145E00011.png"\; state="\{\{state\}\}">ql</figure-callout>}}^4}{384\mathrm{EI}}=\frac{5\&times;3.9\&times;{10}^{-3}\&times;300\&times;{2500}^4}{384\&times;10000\&times;1.33\&times;{10}^7}=4.5\mathrm{mm}<l/250=8\mathrm{mm};$ Being subjected to line load on the scaffolding steel pipe truss is 3.9 * 2.5=9.75kN/m, scaffolding steel pipe truss maximum defluxion ${\mathrm{\&delta;}}_2=\frac{5\mathrm{<figure-callout\; id="4"\; label="q\; l"\; filenames="H2009201990145E00011.png"\; state="\{\{state\}\}">q</figure-callout>}{l}^{}{}^4}{384\mathrm{EI}}=\frac{5\&times;9.75\&times;{3000}^4}{384\&times;2.06\&times;{10}^5\&times;2.327\&times;{10}^7}=2.1\mathrm{mm}<l/250=12\mathrm{mm},$ All meet the demands.

Claims (5)

1. the mould plate supporting device of a steel framed structure box type girder cast-in-place concrete floor is characterized in that comprising box-type section beam (1), bracket (2), horizontal scaffold member steel pipe (3), vertical scaffolding steel pipe (4), steel tube fastener (5), wooden form (6), tie-rod steel pipe (7), stupefied wood (9); 2 horizontal scaffold member steel pipes (3) are connected to form scaffolding steel pipe truss (8) with many vertical scaffolding steel pipes (4) by steel tube fastener (5), the above scaffolding steel pipe truss of 2 Pin (8) are connected by steel tube fastener (5) with 2 above tie-rod steel pipes (7), bracket (2) is welded in box-type section beam (1), scaffolding steel pipe truss (8) lower end places bracket (2), the stupefied wood of scaffolding steel pipe truss (8) upper ends (9), stupefied wood (9) is gone up and is placed wooden form (6), bracket (2) adopts angle steel, 200 millimeters of length, the limb back of the body of bracket (2), the fusion length of acropodium and box-type section beam (1) respectively is not less than 100 millimeters, weld bead height is 6 millimeters, acropodium at the bottom of the box-type section beam 20 millimeters.

2. the mould plate supporting device of a kind of steel framed structure box type girder cast-in-place concrete floor according to claim 1, when it is characterized in that described two adjacent box-type section beam (1) spacings less than 3 meters, adjacent two Pin scaffolding steel pipe truss (8) spacings are not more than 2.5 meters; When two adjacent box-type section beam (1) spacings were 3 meters to 5 meters, adjacent two Pin scaffolding steel pipe truss (8) spacings were not more than 0.9 meter; When two adjacent box-type section beam (1) spacings were 5 meters to 7 meters, adjacent two Pin scaffolding steel pipe truss (8) spacings were not more than 0.5 meter.

3. the mould plate supporting device of a kind of steel framed structure box type girder cast-in-place concrete floor according to claim 1 is characterized in that the aspect ratio box-type section beam (1) of described scaffolding steel pipe truss (8) is highly little 10 centimetres to 12 centimetres.

4. the mould plate supporting device of a kind of steel framed structure box type girder cast-in-place concrete floor according to claim 1 is characterized in that the last spacing of stupefied wood (9) of placing of described horizontal scaffold member steel pipe (3) is at 20 centimetres to 30 centimetres.

5. the mould plate supporting device of a kind of steel framed structure box type girder cast-in-place concrete floor according to claim 1 is characterized in that the upper surface of described wooden form (6) flushes with box-type section beam (1) end face.

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