CN107882243B - A kind of cassette ceiling and construction method of concrete-filled rectangular steel tube waffle beam structure - Google Patents
A kind of cassette ceiling and construction method of concrete-filled rectangular steel tube waffle beam structure Download PDFInfo
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- CN107882243B CN107882243B CN201710934158.XA CN201710934158A CN107882243B CN 107882243 B CN107882243 B CN 107882243B CN 201710934158 A CN201710934158 A CN 201710934158A CN 107882243 B CN107882243 B CN 107882243B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/17—Floor structures partly formed in situ
- E04B5/23—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated
- E04B5/28—Cross-ribbed floors
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The present invention is the cassette ceiling and construction method of a kind of concrete-filled rectangular steel tube waffle beam structure, belong to civil engineering structure and construction method, it is characterized in that the cassette ceiling includes rectangular steel pipe, to drawing reinforcing bar, girt strip indulges muscle, prefabricated panel, convex block, reinforcing rib, waffle beam, casting top slab, roof steel bar and side, top template, the push pipe wall of the rectangular steel pipe is with before, slot is opened up on tube wall afterwards and with to drawing reinforcing bar, girt strip indulges muscle, prefabricated panel is set between four rectangular steel pipes, in four side of prefabricated panel, side template is set, top template is set on side template, prefabricated panel and side, it is cavity between top template, then binding girt strip indulges muscle, roof steel bar and casting concrete layer, form cassette ceiling, its construction procedure is one, preparation of construction, two, branch end template, lift rectangular steel pipe, three, prefabricated panel and side are installed, Top template, four, the vertical muscle of binding girt strip and roof steel bar, five, casting concrete；Structurally reasonable, bearing capacity is high, and simple process is high-quality.
Description
Technical field
The invention belongs to civil engineering structures and construction method, are specifically related to a kind of building of rectangular steel tube with concrete infilled
Plate and construction method.
Background technique
Cast-in-place close rib cassette ceiling in China is had gradually developed from early 1990s, due to its good work
Performance has been applied so far more than ten million square meter；In the close rib cassette ceiling system of early stage, it is typically employed under hollow box mould
The way of assembling reinforcement net, casting concrete；To avoid underplate concrete from vibrating leakiness, usually punch in the middle part of case mould, but
In the actual operation process, there are still larger difficulty of construction, and construction quality poor controllability, during vibrating, vibrating head holds
Easily make the rupture of case mould, be crushed, penetrates into mortar in case mould, influence the ratio of mud of concrete, since case mould weight is lighter, work
People during construction, case mould be easy to float, dislocation, cause the concreting of girt strip uneven, thus make girt strip by
Power is uneven, or even leaves security risk.
The beginning of this century, a kind of combined type using precast box baffle plate, which exempts to tear hollow or lightweight case mould floor system open, to be invented
Out, in the performance of more than ten years and design theory Research foundation, " assembly case concrete hollow building roof structure technology rule have been worked out
Journey " JGJ/T2072010, specific practice is that prefabricated bottom plate, top plate and girt strip are cast-in-place；This way in order to prevent move by prefabricated molds
It is dynamic, precast box baffle plate is pasted on the bed die of lower part using high-strength double-sided foam tape, plays fixed case mould position, anti-floating
With running pulp phenomenon when preventing girt strip from pouring, for this way when sticking Quality is poor, case mould can generate dislocation；Work as sticking Quality
Good, when being firmly bonded, demoulding is difficult after the completion of concrete floor slab placement, and is stained bed die, influences pouring quality when subsequent reuse.
When the hollow combination case mould formed using concrete floor, side plate, top plate, the globality of case mould, which need to be taken, is arranged
It applies, when using directly light material is added on concrete floor, anti-floating problem is difficult to solve, structure glue is usually used in advance,
Its complex process degree and cost are all risen.
Single naval of Hohai University in 2005, Cao Lang are such just it is proposed that use H profile steel in the concealed beam of hollow floor
Reinforced concrete composite structure has many advantages, such as that bearing capacity is high, rigidity is big, ductility is good；Since domestic steel were deficienter at that time,
It is expensive, along with profile steel joint construction is more complicated, so could not be widely applied.
It is with reference to new material is looked into:
1, People's Republic of China's professional standard: assembly case concrete hollow building roof structure technology regulation, JGJ/T 207-
2010。
2, Xie Qun, Liu Junyan, Li Kexiang: assembly case concrete hollow building roof integrality test research [A], the 19th whole nation
Structural Engineering science proceeding (the IIth) [C], 2 months 2010.
3, Xu Huanhuan: the assembly application technical research of case concrete hollow building roof [D], Yangzhou: Yangzhou University, 2013.11.
4, the research [D] of He Zhaoming: GBF Cast-in-place concrete without beam hollow building cover constructing technology, Changsha: Hunan University,
2007.11。
Summary of the invention
The purpose of the present invention is to propose to the cassette ceilings and construction method of a kind of concrete-filled rectangular steel tube waffle beam structure, no
It is only structurally reasonable, good integrity, light-weight, bearing capacity height, and also the prefabricated rate of batch production is high, digests steel production capacity, simplifies construction
Technique improves construction quality, has good development prospect.
A kind of the object of the present invention is achieved like this: the cassette ceiling of concrete-filled rectangular steel tube waffle beam structure (letter
Claim cassette ceiling), it is characterized in that: a kind of cassette ceiling of concrete-filled rectangular steel tube waffle beam structure includes rectangular steel pipe, slot
Muscle, prefabricated panel, convex block, reinforcing rib, waffle beam, casting top slab, roof steel bar, side template and top are indulged to drawing reinforcing bar, girt strip in hole
Template, the rectangular steel pipe be horizontally disposed cross section be rectangle steel pipe, the rectangular steel pipe push pipe wall and
The slot (i.e. break slot) that compartment of terrain opens up right angle ∩ shape is evenly distributed on front and rear sides tube wall along its length, makes the rectangle
The bottom steel plate of steel pipe is connected, and the bottom steel plate is made to replace vertical muscle tension, and the push pipe wall and front and rear sides tube wall of retention rise
To the shearing resistance effect of similar stirrup, installation of the slot opened up for armored concrete prefabricated panel is positioned, in the square
Girt strip is fixedly installed in symmetrical along its length, compartment of terrain on the corresponding inner wall for being located at the push pipe wall retained in the inner cavity of shape steel pipe
Vertical muscle, and the girt strip is made to indulge the corresponding outer both ends for stretching out rectangular steel pipe of both ends section of muscle, it is anchored in the support at girt strip both ends
In node, and it is preferred so that the vertical muscle of two girt strips is fixedly installed in the inner cavity of the rectangular steel pipe, meanwhile, in the rectangle
Compartment of terrain fixed setting pair along its length between the corresponding inner wall for being located at the front and rear sides tube wall retained in the inner cavity of steel pipe
Reinforcing bar is drawn, drawing reinforcing bar is preferred with being symmetrically arranged upper and lower two on the inner wall of the front and rear sides tube wall of every corresponding retention,
This upper and lower two can be 200mm~600mm to the interval of reinforcing bar is drawn, this prevents drawing reinforcing bar to play when pouring girt strip concrete
Only in girt strip loading process strip-form pipe side wall generate evagination effect；
The prefabricated panel includes plate body, reinforcing rib, flange and convex block again, and the plate body is the concrete in rectangle
Plate, surrounding is provided with the flange that a circle raises upward on the upper surface of the plate body, make on the plate body be located at it is convex
Surface on the outside of edge is the horizontal anchor ring of rectangle, and reinforcing rib longitudinally, laterally is provided in the plate body, in the plate
The convex block of cuboid or square, the length of the convex block protruding plate body side surface are set uniformly at intervals on the surrounding side of body
Not less than 20mm, one end section of the reinforcing rib corresponds to outer stretching convex block, the quantity of the convex block on the every side of the plate body
Corresponding to the same with the quantity of the slot on rectangular steel pipe, the width of the convex block is less than the width of slot, the width of the convex block
Degree than the width of slot can small 5mm~10mm, difference in height and rectangle steel between the bottom surface of the convex block and the bottom surface of plate body
The thickness of the bottom tube wall of pipe is consistent, and when installation, each convex block on prefabricated panel is directly supported on the bottom steel plate of rectangular steel pipe,
Keep the bottom surface of prefabricated panel consistent with the height of girt strip bottom surface, completely encloses, without gap；
The side template is rectangular facade plate, the upper end of the side template is uniformly distributed, compartment of terrain opens up and is in
The upper break slot of right angle ∪ shape (i.e. rectangle), this side template can be made into plank or glass magnesium board；
The top template is the level board of rectangle, the length of the length of the top template × wide and prefabricated panel × wide opposite
Should be consistent, in the side break slot that the surrounding of the top template is uniformly distributed respectively, compartment of terrain opens up rectangular ∪ shape (i.e. rectangle),
Even if the surrounding of the top template is uniformly distributed respectively, compartment of terrain has rectangle tenon, by the upper break slot on side template and push up
The corresponding unilateral tenon of template is in mortise-tenon joint, this top template can be made into plank or glass magnesium board；
Using four rectangular steel pipes as waffle beam according to left, right, front and rear (being in rectangle) arrangement, by prefabricated bottom
Plate from top to bottom is mounted between four rectangular steel pipes until bottom, makes each convex block and the reinforcing rib on the prefabricated panel
Correspondence puts in rectangular steel pipe, and each convex block is erected on the bottom steel plate of rectangular steel pipe, in four rectangular steel pipes and in advance
Side template is respectively set between four side flanges of bottom plate processed, the bottom edge of the side template is made to be resisted against the rectangle of prefabricated panel
On horizontal anchor ring, keep the upper break slot of the rectangle on the side template upward, installation is in tenon on four side templates
The top template of fourth of the twelve Earthly Branches connection, the i.e. top template are supported on four side templates, four side templates and prefabricated panel, top
Cavity is formed between template, then, the roof steel bar that binding girt strip is indulged muscle and is separately arranged, in waffle beam (i.e. rectangular steel pipe)
In inner cavity and top template on casting concrete layer (i.e. the casting top slab of cassette ceiling).
A kind of construction method of the cassette ceiling of concrete-filled rectangular steel tube waffle beam structure, construction procedure are as follows:
One, preparation of construction:
Rectangular steel pipe is prefabricated in the factory according to design, then transports to construction site and carries out assembled welding, exists to drawing reinforcing bar
It is directly welded in rectangular steel pipe in factory, is evenly arranged along the front-rear side walls of rectangular steel pipe, welds up and down.
Two, branch end template lifts rectangular steel pipe；
Using conventional method branch end template, steel sleeve of the rectangular steel pipe as waffle beam, according to design, by four rectangles
Steel pipe lifts in place in rectangular layoutly, carries out normal welding to the junction two-by-two of each waffle beam (i.e. rectangular steel pipe)；
Three, prefabricated panel, side template and top template are installed；
Prefabricated panel from top to bottom is placed between four rectangular steel pipes up to each convex block on bottom, the prefabricated panel
It is directly supported on the bottom steel plate of rectangular steel pipe, in the outside of the inner sidewall of four rectangular steel pipes, equal facade installs side template, makes
Side template correspondence is supported on the horizontal anchor ring of prefabricated panel, then top template is mounted on to the top of four sidewall panelings, is carried out
Mortise-tenon joint is assembled, forms cavity between prefabricated panel, side template and top template；
Four, binding girt strip indulges muscle and roof steel bar:
According to design, setting, binding girt strip indulge muscle and roof steel bar；
Five, casting concrete:
Using conventional method, casting concrete layer forms cast-in-place top in waffle beam (i.e. rectangular steel pipe) and on top template
Plate removes end template after concrete reaches strength of mould stripping, paints mortar in the bottom of prefabricated panel and end, is formed whole
Cassette ceiling.
A kind of cassette ceiling of concrete-filled rectangular steel tube waffle beam structure proposed by the invention, the beneficial effect is that:
1, assembly rate improves, and quality controllability improves；It is mutually twisted between component, good integrity；
2, the anti-seismic performance of steel pipe girt strip is good, and bearing capacity is high；Template is saved, a large amount of girt strips is avoided and indulges muscle binding, it is prefabricated
It positions between part simply, is connected without adhesive tape, constructed greatly simplified, industrialization degree is high, with certain economic benefit；
3, the research and development and production of steel pipe and shape steel rolled stock have been pushed.
The cassette ceiling and construction method of a kind of concrete-filled rectangular steel tube waffle beam structure proposed by the invention, are not only tied
Structure is reasonable, good integrity, light-weight, and the prefabricated rate of batch production is high, digests steel production capacity, simplifies construction technology, improve
Construction quality has good development prospect.
Now in conjunction with drawings and examples to a kind of the hollow of concrete-filled rectangular steel tube waffle beam structure proposed by the invention
Floor is described further.
Detailed description of the invention
Fig. 1 is a kind of vertical view signal of the cassette ceiling of concrete-filled rectangular steel tube waffle beam structure proposed by the invention
Figure.
Fig. 2 is part 1 in Fig. 1: the stereoscopic schematic diagram of rectangular steel pipe.
Fig. 3 is part 5 in Fig. 1: the stereoscopic schematic diagram of prefabricated panel.
Fig. 4 is A-A diagrammatic cross-section in Fig. 1.
Fig. 5 is part 12 in Fig. 1: top template and part 11: one of installation stereoscopic schematic diagram of side template.
Fig. 6 is part 12 in Fig. 1: top template and part 11: the two of the installation stereoscopic schematic diagram of side template.
In FIG. 1 to FIG. 6:
1, rectangular steel pipe 2, slot 3, to draw reinforcing bar 4, girt strip indulge muscle 5, prefabricated panel 6, convex block 7, reinforcing rib 8,
Waffle beam 9, casting top slab 10, roof steel bar 11, side template 12, top template
Specific embodiment
It can be seen that a kind of cassette ceiling of concrete-filled rectangular steel tube waffle beam structure is (referred to as hollow from FIG. 1 to FIG. 6
Floor), it is characterized in that: a kind of cassette ceiling of concrete-filled rectangular steel tube waffle beam structure include rectangular steel pipe 1, it is slot 2, right
Reinforcing bar 3, girt strip is drawn to indulge muscle 4, prefabricated panel 5, convex block 6, reinforcing rib 7, waffle beam 8, casting top slab 9, roof steel bar 10, side template
11 and top template 12, the rectangular steel pipe 1 is the steel pipe that horizontally disposed cross section is rectangle, in the rectangular steel pipe 1
Push pipe wall and front and rear sides tube wall on be evenly distributed with compartment of terrain along its length and open up the slot 2 (i.e. break slot) of right angle ∩ shape, make
The bottom steel plate of the rectangular steel pipe 1 is connected, and the bottom steel plate is made to replace vertical muscle tension, the push pipe wall of retention and before,
Two sides tube wall plays stirrup shearing resistance effect afterwards, and installation of the slot 2 opened up for armored concrete prefabricated panel 5 positions,
Correspondence is symmetrical along its length on the inner wall for the push pipe wall retained in the inner cavity of the rectangular steel pipe 1, compartment of terrain is solid
Surely setting girt strip indulges muscle 4, and the girt strip is made to indulge the corresponding outer both ends for stretching out rectangular steel pipe 1 of both ends section of muscle 4, is anchored in rib
It in the support node at beam both ends, and is preferred so that the vertical muscle 4 of two girt strips is fixedly installed in the inner cavity of the rectangular steel pipe 1, together
When, between the inner wall for being located at the front and rear sides tube wall retained corresponding in the inner cavity of the rectangular steel pipe 1 along its length
Compartment of terrain fixed setting is to reinforcing bar 3 is drawn, to be symmetrically arranged on the inner wall of the front and rear sides tube wall of every corresponding retention up and down
Two are preferred drawing reinforcing bar 3, this upper and lower two can be 200mm~600mm to the longitudinal gap for drawing reinforcing bar 3, this plays drawing reinforcing bar 3
To the effect for when pouring girt strip concrete, preventing strip-form pipe side wall generation evagination in girt strip loading process；
The prefabricated panel 5 includes plate body, reinforcing rib 7, flange and convex block 6 again, and the plate body is in the mixed of rectangle
Soil plate is coagulated, surrounding is provided with the flange that a circle raises upward on the upper surface of the plate body, makes the position on the plate body
In the horizontal anchor ring that the surface of flange outer sides is rectangle, reinforcing rib 7 longitudinally, laterally is provided in the plate body, in institute
The convex block 6 of cuboid or square, the 6 protruding plate side of convex block are set uniformly at intervals on the surrounding side for the plate body stated
The length in face is not less than 20mm, and one end section of the reinforcing rib 7 is corresponding outer to stretch out convex block 6, on the every side of the plate body
The quantity of convex block 6 and the quantity of the slot 2 on rectangular steel pipe 1 are corresponding to the same, and the width of the convex block 6 is less than slot 2
Width, the width of the convex block 6 than slot 2 width can small 5mm~10mm, the bottom surface of the bottom surface of the convex block 6 and plate body it
Between difference in height it is consistent with the thickness of bottom tube wall of rectangular steel pipe 1, when installation, each convex block 6 on prefabricated panel 5 is directly supported
On the bottom steel plate of rectangular steel pipe 1, keep the bottom surface of prefabricated panel 5 consistent with the height of girt strip bottom surface, completely encloses, be not free
Gap；
The side template 11 is rectangular facade plate, the upper end of the side template 11 is uniformly distributed, compartment of terrain is opened
If the upper break slot of rectangular ∪ shape (i.e. rectangle), this side template 11 can be made into plank or glass magnesium board；
The top template 12 is the level board of rectangle, length x width and the prefabricated panel 5 of the top template 12
Length x width is corresponding to the same, and in the surrounding of the top template 12, uniformly distributed, compartment of terrain opens up rectangular ∪ shape (i.e. respectively
Rectangle) side break slot, even if the surrounding of the top template is uniformly distributed respectively, compartment of terrain has rectangle tenon, by side template
Upper break slot on 11 is corresponding with the unilateral tenon of top template 12 in mortise-tenon joint, this top template 12 can make of plank or glass magnesium board
At；
It, will be prefabricated by four rectangular steel pipes 1 as waffle beam 8 according to left, right, front and rear (being in rectangle) arrangement
Bottom plate 5 from top to bottom is mounted between four rectangular steel pipes 1 until bottom, makes 6 He of each convex block on the prefabricated panel 5
The correspondence of reinforcing rib 7 puts in rectangular steel pipe 1, and each convex block 6 is erected on the bottom steel plate of rectangular steel pipe 1, in four squares
Side template 11 is respectively set between shape steel pipe 1 and four side flanges of prefabricated panel 5, is resisted against the bottom edge of the side template 11
On the horizontal anchor ring of the rectangle of prefabricated panel 5, keep the upper break slot of the rectangle on the side template 11 upward, described four
Installation is in the top template 12 of mortise-tenon joint on a side template 11, i.e. the top template 12 is supported on four side templates 11, institute
Cavity is formed between four side templates 11 stated and prefabricated panel 5, top template 12, then, binding girt strip is indulged muscle 4 and is separately arranged
Roof steel bar 10, in the inner cavity of waffle beam 8 (i.e. rectangular steel pipe 1) and top template 12 on casting concrete floor (i.e. hollow building
The casting top slab 9 of plate).
Work progress and steps are as follows:
One, preparation of construction:
Rectangular steel pipe 1 is prefabricated in the factory according to design, then transports to construction site and carries out assembled welding, to drawing reinforcing bar 3
It is directly welded in factory in rectangular steel pipe 1, is evenly arranged along the front-rear side walls of rectangular steel pipe 1, welds up and down.
Two, branch end template lifts rectangular steel pipe；
Using conventional method branch end template, steel sleeve of the rectangular steel pipe 1 as waffle beam 8, according to design, by four squares
Shape steel pipe 1 lifts in place in rectangular layoutly, carries out normal welding to the junction two-by-two of each waffle beam 8 (i.e. rectangular steel pipe 1)；
Three, prefabricated panel, side template and top template are installed；
Prefabricated panel 5 from top to bottom is placed between four rectangular steel pipes 1 until bottom, makes each on prefabricated panel 5
Convex block 6 is directly supported on the bottom steel plate of rectangular steel pipe 1, and in the outside of the inner sidewall of four rectangular steel pipes 1, equal facade installs side
Template 11 is supported on the correspondence of side template 11 on the horizontal anchor ring of prefabricated panel 5, top template 12 is then mounted on four side walls
The top of plate 11 carries out mortise-tenon joint assembly, forms cavity between prefabricated panel 5, side template 11 and top template 12；
Four, binding girt strip indulges muscle and roof steel bar:
According to design, setting, binding girt strip indulge muscle 4 and roof steel bar 10；
Five, casting concrete:
Using conventional method, casting concrete layer is formed in waffle beam 8 (i.e. rectangular steel pipe 1) inner cavity and on top template 12
Casting top slab 9 removes end template after concrete reaches strength of mould stripping, paints mortar in the bottom of prefabricated panel 5 and end,
Form whole cassette ceiling.
It is fixed on scaffold the beneficial effects of the present invention are: rectangular steel pipe directly supports, prefabricated panel passes through convex block branch
It supports in the slot (i.e. break slot) opened up on rectangular steel pipe, the bed die of concrete floor slab placement can be saved；No bed die floor slab construction avoids
The fixed way of template double-sided adhesive avoids demoulding difficulty；Rectangular steel pipe, prefabricated panel are prefabricated in the factory, and assembly rate is high,
Scantling precision can be accurate within 2mm, and quality controllability significantly improves；Box close rib building roof is assembled compared to existing,
Due to the simplification of technique, the duration can shorten 1/4；Steel production capacity in China's has been significantly larger than the market demand, but extraordinary fashioned iron at present
Type and yield be far not enough to adapt to market, the present invention can push the abundant and development of profiled bar product；Due to grooved bore
Rectangular steel pipe have no mature product, need consigned processing at present, it is hollow that cost is higher than existing armored concrete assembly box-shaped
Superstructure.
Claims (8)
1. a kind of cassette ceiling of concrete-filled rectangular steel tube waffle beam structure, it is characterized in that: a kind of concrete-filled rectangular steel tube is close
The cassette ceiling of girt strip structure includes rectangular steel pipe (1), slot (2), indulges muscle (4), prefabricated panel to drawing reinforcing bar (3), girt strip
(5), convex block (6), reinforcing rib (7), waffle beam (8), casting top slab (9), roof steel bar (10), side template (11) and top template
(12), the rectangular steel pipe (1) is the steel pipe that horizontally disposed cross section is rectangle, on the top of the rectangular steel pipe (1)
Slot (2) the i.e. break slot that compartment of terrain opens up right angle ∩ shape is evenly distributed on tube wall and front and rear sides tube wall along its length, is made described
The bottom steel plate of rectangular steel pipe (1) be connected, it is corresponding in the inner cavity of the rectangular steel pipe (1) to be located at the push pipe wall retained
Inner wall on symmetrical along its length, compartment of terrain fixed setting girt strip indulge muscle (4), and the girt strip made to indulge the two of muscle (4)
The corresponding outer both ends for stretching out rectangular steel pipe (1) of section are held, meanwhile, it corresponds to be located in the inner cavity of the rectangular steel pipe (1) and retain
Front and rear sides tube wall inner wall between along its length compartment of terrain fixed setting to draw reinforcing bar (3)；
The prefabricated panel (5) includes again plate body, reinforcing rib (7), flange and convex block (6), and the plate body is in rectangle
Concrete flat slab, surrounding is provided with the flange that a circle raises upward on the upper surface of the plate body, makes on the plate body
Surface positioned at flange outer sides is the horizontal anchor ring of rectangle, and reinforcing rib (7) longitudinally, laterally is provided in the plate body,
The convex block (6) of cuboid or square is set uniformly at intervals on the surrounding side of the plate body, and the convex block (6) is convex
The length of ejecting plate body side surface is not less than 20mm, corresponding outer stretching convex block (6) of one end section of the reinforcing rib (7), the plate
The quantity of convex block (6) on the every side of the body convex block corresponding to the same, described with the quantity of the slot (2) on rectangular steel pipe (1)
(6) width is less than the width of slot (2), difference in height and rectangle between the bottom surface of the convex block (6) and the bottom surface of plate body
The thickness of the bottom tube wall of steel pipe (1) is consistent；
The side template (11) is rectangular facade plate, the upper end of the side template (11) is uniformly distributed, compartment of terrain is opened
If the upper break slot of rectangular ∪ shape, that is, rectangle；
The top template (12) is the level board of rectangle, length x width and prefabricated panel (5) of the top template (12)
Length x width it is corresponding to the same, in the surrounding of the top template (12), uniformly distributed, compartment of terrain opens up rectangular ∪ respectively
Shape, that is, rectangle side break slot, makes that the surrounding of the top template (12) is uniformly distributed respectively, compartment of terrain is with rectangle tenon, by side
Upper break slot in template (11) is corresponding with the unilateral tenon of top template (12) in mortise-tenon joint；
By four rectangular steel pipes (1) as waffle beam (8) according to left, right, front and rear, that is, in rectangular layout, by prefabricated panel
(5) it is mounted on from top to bottom between four rectangular steel pipes (1) until bottom, makes each convex block on the prefabricated panel (5)
(6) it is put in rectangular steel pipe (1) with reinforcing rib (7) correspondence, and each convex block (6) is erected on the bottom steel plate of rectangular steel pipe (1), is made
The bottom surface of prefabricated panel (5) is consistent with the height of waffle beam (8) bottom surface, rectangular steel pipe (1) and prefabricated panel described in four
(5) it is respectively set between four side flanges side template (11), the bottom edge of the side template (11) is resisted against prefabricated panel (5)
On the horizontal anchor ring of rectangle, the upper break slot of the rectangle on the side template (11) is upward, the side template described in four
(11) installation is in the top template (12) of mortise-tenon joint on, i.e. the top template (12) is supported on four side templates (11), and four
A side template (11) and prefabricated panel (5), top template form cavity between (12), then, binding girt strip vertical muscle (4) and
The roof steel bar (10) being separately arranged in waffle beam (8) the i.e. inner cavity of rectangular steel pipe (1) and pours coagulation on top template (12)
Soil layer, that is, cassette ceiling casting top slab (9).
2. a kind of cassette ceiling of concrete-filled rectangular steel tube waffle beam structure according to claim 1, it is characterised in that
Two girt strips are fixedly installed in the inner cavity of the rectangular steel pipe (1) and indulge muscle (4).
3. a kind of cassette ceiling of concrete-filled rectangular steel tube waffle beam structure according to claim 1, it is characterised in that
Upper and lower two are symmetrically arranged on the inner wall of the front and rear sides tube wall of often corresponding retention to drawing reinforcing bar (3).
4. a kind of cassette ceiling of concrete-filled rectangular steel tube waffle beam structure according to claim 3, it is characterised in that should
Upper and lower two are divided into 200mm~600mm between drawing reinforcing bar (3).
5. a kind of cassette ceiling of concrete-filled rectangular steel tube waffle beam structure according to claim 1, it is characterised in that should
The width of convex block (6) is 5mm~10mm smaller than the width of slot (2).
6. a kind of cassette ceiling of concrete-filled rectangular steel tube waffle beam structure according to claim 1, it is characterised in that this
Side template (11) is made into plank or glass magnesium board.
7. a kind of cassette ceiling of concrete-filled rectangular steel tube waffle beam structure according to claim 1, it is characterised in that this
Top template (12) is made into plank or glass magnesium board.
8. a kind of construction method of the cassette ceiling of concrete-filled rectangular steel tube waffle beam structure, construction procedure are as follows:
One, preparation of construction:
Rectangular steel pipe (1) is prefabricated in the factory according to design, then transports to construction site and carries out assembled welding, to drawing reinforcing bar (3)
It is directly welded in factory in rectangular steel pipe (1), is evenly arranged along the front-rear side walls of rectangular steel pipe (1), welds up and down；
Two, branch end template lifts rectangular steel pipe；
Using conventional method branch end template, steel sleeve of the rectangular steel pipe (1) as waffle beam (8), according to design, by four squares
Shape steel pipe (1) lifts in place in rectangular layoutly, carries out normal welding to the junction two-by-two of each waffle beam (8)；
Three, prefabricated panel, side template and top template are installed；
Prefabricated panel (5) from top to bottom are placed between four rectangular steel pipes (1) until bottom, makes on prefabricated panel (5)
Each convex block (6) is directly supported on the bottom steel plate of rectangular steel pipe (1), vertical in the outside of the inner sidewall of four rectangular steel pipes (1)
Side template (11) are installed in face, are supported on side template (11) correspondence on the horizontal anchor ring of prefabricated panel (5), then by top template
(12) it is mounted on the top of four side templates (11), carries out mortise-tenon joint assembly, on prefabricated panel (5), side template (11) and top
Template forms cavity between (12)；
Four, binding girt strip indulges muscle and roof steel bar:
According to design, setting, binding girt strip indulge muscle (4) and roof steel bar (10)；
Five, casting concrete:
Using conventional method, it is mixed to form rectangular steel pipe for casting concrete in the inner cavity of rectangular steel pipe (1) and on top template (12)
Solidifying soil waffle beam (8) and casting top slab (9) remove end template, in prefabricated panel (5) after concrete reaches strength of mould stripping
Mortar is painted in bottom and end, forms whole cassette ceiling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710934158.XA CN107882243B (en) | 2017-10-10 | 2017-10-10 | A kind of cassette ceiling and construction method of concrete-filled rectangular steel tube waffle beam structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710934158.XA CN107882243B (en) | 2017-10-10 | 2017-10-10 | A kind of cassette ceiling and construction method of concrete-filled rectangular steel tube waffle beam structure |
Publications (2)
| Publication Number | Publication Date |
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| CN107882243A CN107882243A (en) | 2018-04-06 |
| CN107882243B true CN107882243B (en) | 2019-07-19 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109702865A (en) * | 2019-01-29 | 2019-05-03 | 福州九易明杰建筑科技有限公司 | A kind of manufacture mold of the concrete bed of hollow floor assembly case |
| CN113550576B (en) * | 2021-07-30 | 2022-12-27 | 重庆建工第三建设有限责任公司 | Deep beam steel bar binding side mold cabin jumping dislocation construction process |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100577945C (en) * | 2002-04-30 | 2010-01-06 | 邱则有 | Reinforcing steel bar concrete tridimensional bearing structure building cover |
| JP3708074B2 (en) * | 2002-11-27 | 2005-10-19 | ショーボンド建設株式会社 | Road width expansion material and its installation method |
| CN1208526C (en) * | 2002-12-30 | 2005-06-29 | 邱则有 | In-situ cast steel reinforced concrete dense rib building floorslab |
| CN103726651A (en) * | 2012-10-13 | 2014-04-16 | 杜凤山 | Novel technology for combining concrete hollow wallboards, pillars, beams and ceiling with cast-in-situ building |
| CN205314329U (en) * | 2015-12-31 | 2016-06-15 | 扬州大学 | One -way composite floor slab of die mould steel plate concrete of built -in hollow square steel pipe |
| CN105839823B (en) * | 2016-03-24 | 2018-06-29 | 中国十七冶集团有限公司 | A kind of hollow superposed floor of close rib of truss-like |
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