CN107217777A - A kind of large space steel skeleton grid suspended ceiling converting support structure and construction method - Google Patents
A kind of large space steel skeleton grid suspended ceiling converting support structure and construction method Download PDFInfo
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- CN107217777A CN107217777A CN201710580665.8A CN201710580665A CN107217777A CN 107217777 A CN107217777 A CN 107217777A CN 201710580665 A CN201710580665 A CN 201710580665A CN 107217777 A CN107217777 A CN 107217777A
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- connecting bolt
- bolt
- muscle
- lacing wire
- floorboard
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 34
- 239000010959 steel Substances 0.000 title claims abstract description 34
- 238000010276 construction Methods 0.000 title claims description 42
- 210000003205 muscle Anatomy 0.000 claims abstract description 104
- 230000002787 reinforcement Effects 0.000 claims abstract description 42
- 239000000725 suspension Substances 0.000 claims abstract description 38
- 238000005728 strengthening Methods 0.000 claims abstract description 34
- 238000005034 decoration Methods 0.000 claims abstract description 15
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 11
- 229920001971 elastomer Polymers 0.000 claims description 25
- 239000003292 glue Substances 0.000 claims description 16
- 239000004570 mortar (masonry) Substances 0.000 claims description 14
- 230000002265 prevention Effects 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 12
- 239000010935 stainless steel Substances 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 8
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 6
- 230000003449 preventive effect Effects 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 244000043261 Hevea brasiliensis Species 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229920003052 natural elastomer Polymers 0.000 claims description 4
- 229920001194 natural rubber Polymers 0.000 claims description 4
- 229920003051 synthetic elastomer Polymers 0.000 claims description 4
- 241000196324 Embryophyta Species 0.000 claims description 3
- 230000001680 brushing effect Effects 0.000 claims description 3
- 238000012669 compression test Methods 0.000 claims description 3
- 238000012937 correction Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 2
- 238000009408 flooring Methods 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- -1 phenolic aldehyde Chemical class 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
- E04B9/06—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by constructional features of the supporting construction, e.g. cross section or material of framework members
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
- E04B9/18—Means for suspending the supporting construction
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The present invention relates to a kind of large space steel skeleton grid suspended ceiling converting support structure, in the default built-in reinforcement connecting plate being connected with top connecting bolt in the top of floorboard reinforcing bar；After floorboard concrete strength meets requirement, on top, connecting bolt sets Strengthening corner muscle with floorboard bottom surface joint；The two ends of suspension rod screw rod are connected firmly with top connecting bolt and bottom connecting bolt respectively, and the horizontal lacing wire of setting and oblique lacing wire between adjacent suspension rod screw rod；Intermediate transverse girder is set on the connecting platform plate of bottom, hangs muscle is set between intermediate transverse girder and ceiling joist；In ceiling joist lower surface, ceiling decoration layer is set.The beneficial effects of the invention are as follows：In the lower surface of built-in reinforcement connecting plate, top connecting bolt is set, and Strengthening corner muscle is set in top connecting bolt and floorboard plate bottom surface joint, on loading sharing to the floorboard for suspension rod screw rod being passed over by top connecting bolt, reduce the local stress value of floorboard.
Description
Technical field
Super Large Deep Foundation Pit Construction quality, lifting site operation efficiency can be effectively improved the present invention relates to one kind, improve foundation ditch
Supporting construction Stress property, the super-sized foundation pit subregion of saving construction material add inner support construction method after excavating.Belong to decoration
Engineering field, it is adaptable to large space steel skeleton furred ceiling engineering.
Background technology
With the continuous progressive and development of society, the public building of large space is more and more, due to big space furred ceiling
Often have large bay without separate layout, furred ceiling continuous span exceed 50m, working area greatly, structural stability by negative pressure influenceed bright
It is aobvious to wait engineering characteristic, ceiling decoration is done in big space, easily occurs that suspended ceiling keel system is unbalance, support system stress does not conform to
Manage, ceiling surface is rough and uneven in surface, the low problem of node bonding strength.
Counter support is that in furred ceiling engineering, day board and suspension rod upwards thrust are taken to bear external force or negative blast
A kind of furred ceiling construction measure.At present, more typical lifting counter support way has oblique counter support method, suspension rod tripod to reinforce
Method, truss of angle steel method etc., though these construction methods achieve preferable engineer applied effect under suitable operating mode, are remained
The problems such as angle steel and ceiling (beam) bonding strength are low, furred ceiling elevation adjustment difficulty is big, site operation workload is big.It is existing a kind of big
Space suspended ceiling reverse support method to set up, this method determines suspension rod and counter support by carrying out Mechanical Calculation and Analysis to catching device
Arrangement, though this method can save to a certain extent furred ceiling design cost, meet counter support construction economic requirement.
Analysis is found, but the node of ceiling structure is more, Site Welding construction workload big, structure durability is difficult to ensure, Shang Youjie
The problems such as point bonding strength is effectively lifted, structure durability ensures, structure space position is dynamically adjusted needs to solve.
In consideration of it, being the construction quality of ceiling structure in lifting building, reduce site operation difficulty, improve ceiling structure
Spatial positioning accuracy, at present urgently invention one kind can effectively be lifted suspended ceiling converting support system node bonding strength, positioning precision,
Efficiency of construction, reduces site operation quantities, and the large space steel skeleton grid suspended ceiling converting support system of reduction ambient influnence is applied
Work method.
The content of the invention
Suspended ceiling converting support system node bonding strength, positioning accurate can be effectively lifted it is an object of the invention to provide one kind
Degree, efficiency of construction, reduce site operation quantities, reduce the large space steel skeleton grid suspended ceiling converting support structure of ambient influnence
And construction method.
In order to realize above-mentioned technical purpose, present invention employs following technical scheme.
A kind of large space steel skeleton grid suspended ceiling converting support structure, presets on the top of floorboard reinforcing bar and is connected with top
Bolted built-in reinforcement connecting plate；After floorboard concrete strength meets requirement, connecting bolt and floorboard on top
Bottom surface joint sets Strengthening corner muscle；The two ends of suspension rod screw rod are connected jail with top connecting bolt and bottom connecting bolt respectively
Gu, and the horizontal lacing wire of setting and oblique lacing wire between adjacent suspension rod screw rod；It is horizontal in the middle of being set on the connecting platform plate of bottom
Beam, sets hangs muscle between intermediate transverse girder and ceiling joist；In ceiling joist lower surface, ceiling decoration layer is set.
Connection screw thread, hole for injecting glue after the setting of upper end are set inside the top connecting bolt and bottom connecting bolt；On
Portion's connecting bolt is vertical with built-in reinforcement connecting plate, and is bolted or is welded to connect；Bottom connecting bolt connects with bottom
Connect landing slab vertical, and be bolted or be welded to connect.
The mortar leakage prevention rubber ring is made of artificial rubber or natural rubber, and mortar leakage prevention rubber ring connects spiral shell located at top
The outside of bolt, the space in hole is passed through for filling top connecting bolt with top connecting bolt.
The horizontal lacing wire and oblique lacing wire use a diameter of 6mm or 8mm or 10mm plain steel-bar, horizontal lacing wire and tiltedly
Use and be welded to connect with lacing wire bolt and Strengthening corner muscle to lacing wire；When horizontal lacing wire and oblique lacing wire are laid, it should be noted that check
The locus of suspension rod screw rod and gradient.
The suspension rod screw rod meets desired stainless steel screw rod using diameter, and interlude, two ends in suspension rod screw rod are all provided with
Put connecting screw.
The top hangs muscle nut and bottom hangs muscle nut include two nuts, treat that hangs muscle and ceiling joist positioning are completed
Afterwards, in top hangs muscle nut and the outside brushing rust preventive coating of bottom hangs muscle nut.
A kind of construction method of large space steel skeleton grid suspended ceiling converting support structure, including following construction procedure：
(1) preparation of construction：The size of each component of furred ceiling is examined, construction flowing water section is divided, formulates ceiling construction scheme, get all the ready
Various materials in work progress, precast plant prepare top connecting bolt, built-in reinforcement connecting plate, bottom connecting bolt, under
Portion's connecting platform plate, makes top connecting bolt be connected firmly with built-in reinforcement connecting plate, bottom connecting bolt is connected with bottom
Landing slab is connected firmly；
(2) surveying setting-out：The position of built-in reinforcement junction steel plate is ejected in floorboard template, and in floorboard template
Set top connecting bolt to pass through hole, the elevation line of floorboard template, intermediate transverse girder, ceiling joist is bound to cylinder with spirit level
On metope；
(3) reinforcement connecting plate built in is set：Built-in reinforcement connecting plate is first located at flooring together with top connecting bolt
The top of slab muscle, and top connecting bolt is passed through hole through the top connecting bolt of floorboard template, connect spiral shell on top
Bolt and floorboard template joint set mortar leakage prevention rubber ring, by built-in reinforcement connecting plate and the floorboard reinforcement welding that is in contact
Connection；The rear hole for injecting glue at the top of the connecting bolt of top is set to be connected with rear injected rubber hose；Floorboard concreting, maintenance are carried out, is mixed
The locus of top connecting bolt should be corrected at any time in solidifying soil casting process；
(4) Strengthening corner muscle is laid：Top connecting bolt position correction is first carried out, and makes top connecting bolt and floorboard bottom
Face is vertical；Two Strengthening corner muscle are symmetrical arranged on the outside of the connecting bolt of top again, Strengthening corner muscle horizontal segment is passed through with floorboard
Angle muscle bolt connection, Strengthening corner muscle vertical section is welded to connect with top connecting bolt；
(5) suspension rod screw rod and lacing wire are installed：The suspension rod screw rod good with lacing wire bolt connection is connected with top connecting bolt
Firmly, the absolute altitude of adjustment lacing wire bolt is to meeting requirement；Cloth sets horizontal lacing wire between adjacent lacing wire bolt, lacing wire bolt with
Oblique lacing wire is set between Strengthening corner muscle；
(6) bottom connecting bolt and bottom connecting platform plate are installed：The bottom and bottom connecting bolt for making suspension rod screw rod connect
Connect firmly, and make the top surface for the bottom connecting platform plate being connected with bottom connecting bolt at same elevation；
(7) intermediate transverse girder is installed：Intermediate transverse girder is lifted to the connecting platform plate of bottom, and by platform bolt to centre
Crossbeam and bottom connecting platform plate are tentatively connected；After the absolute altitude for correcting intermediate transverse girder, intermediate transverse girder and bottom are connected
Landing slab is connect by fastening bolt or is welded to connect firmly；
(8) hangs muscle is installed：Pre-compression test first is carried out to intermediate transverse girder, intermediate transverse girder bearing capacity is detected, then hangs muscle is inserted
Enter the hangs muscle reserved on intermediate transverse girder and pass through hole, and hangs muscle is connected firmly with intermediate transverse girder by top hangs muscle nut；
(9) ceiling joist is installed：Netted ceiling joist is set in hangs muscle bottom, and it is by bottom hangs muscle nut that furred ceiling is imperial
Bone is connected firmly with hangs muscle, and makes the ceiling joist absolute altitude of hangs muscle bottom consistent, no faulting of slab ends, fissure of displacement phenomenon；
(10) ceiling decoration layer is installed：Between ceiling joist, in strict accordance with the distributing order of setting-out drawing, from a side
To ceiling decoration layer is installed successively, first large area on-gauge plate is installed during installation, then carry out non-standard plate installation.
Connection screw thread, upper end are set inside step (1), step (3) the top connecting bolt and bottom connecting bolt
Hole for injecting glue after setting；Top connecting bolt is vertical with built-in reinforcement connecting plate, and is bolted or is welded to connect；Bottom connects
Connecting bolt is vertical with bottom connecting platform plate, and is bolted or is welded to connect.
Step (3) the mortar leakage prevention rubber ring is made of artificial rubber or natural rubber, and mortar leakage prevention rubber ring is located at upper
The outside of portion's connecting bolt, the space in hole is passed through for filling top connecting bolt with top connecting bolt.
Step (5) the horizontal lacing wire and oblique lacing wire use a diameter of 6mm or 8mm or 10mm plain steel-bar, laterally
Lacing wire and oblique lacing wire are used with lacing wire bolt and Strengthening corner muscle to be welded to connect；, should when horizontal lacing wire and oblique lacing wire are laid
Note checking locus and the gradient of suspension rod screw rod.
Step (5) the suspension rod screw rod meets desired stainless steel screw rod, interlude in suspension rod screw rod, two using diameter
End is respectively provided with connecting screw.
Step (8) the top hangs muscle nut and step (9) the bottom hangs muscle nut include two nuts, treat hangs muscle
And after the completion of ceiling joist positioning, the outside brushing rust preventive coating of hangs muscle nut and bottom hangs muscle nut on top.
The characteristics of present invention has following and beneficial effect：
(1) built-in reinforcement connecting plate is set on floorboard reinforcing bar top, and by built-in reinforcement connecting plate and the steel bar welding that connects
Connect in succession；In the lower surface of built-in reinforcement connecting plate, top connecting bolt is set, and in top connecting bolt and floorboard plate bottom
Face joint is set on Strengthening corner muscle, loading sharing to the floorboard for being passed over suspension rod screw rod by top connecting bolt,
Reduce the local stress value of floorboard.
(2) threaded connection that suspension rod screw rod passes through suspension rod screw rod two ends with suspension rod top connecting bolt, bottom connecting bolt
After the completion of, then on the connecting platform plate of bottom set intermediate transverse girder；Subsequent hangs muscle default along along intermediate transverse girder is laid through hole hangs
Hangs muscle, is connected firmly by muscle by top hangs muscle nut with intermediate transverse girder；Ceiling joist is set in hangs muscle bottom, and passes through bottom
Hangs muscle nut is fastened, and bonding strength is reliable；The welding job amount of structure is small, and quality of connection is reliable.
(3) it is bolted between suspension rod screw rod and floorboard, intermediate transverse girder, locus is easy to adjust；Meanwhile,
In bottom, the lower end of connecting bolt sets bottom connecting platform plate, and first intermediate transverse girder is placed on connecting platform plate during construction, then
Connected by connecting bolt, improve the precision of intermediate transverse girder positioning.
Brief description of the drawings
Fig. 1 is a kind of large space steel skeleton grid suspended ceiling converting support structural representation of the invention；
Fig. 2 is Fig. 1 tops connecting bolt and built-in reinforcement connecting plate and floorboard template connection diagram；
Fig. 3 is Fig. 1 tops connecting bolt and built-in reinforcement connecting plate and floorboard connection diagram；
Fig. 4 is a kind of large space steel skeleton grid suspended ceiling converting support structure construction flow chart of the invention.
In figure：1- tops connecting bolt；Reinforcement connecting plate built in 2-；3- bottoms connecting bolt；4- bottoms connecting platform plate；
5- floorboard templates；6- tops connecting bolt passes through hole；7- intermediate transverse girders；8- ceiling joists；9- floorboard reinforcing bars；10- leakproofs
Starch rubber ring；Hole for injecting glue after 11-；Injected rubber hose after 12-；13- Strengthening corner muscle；14- Strengthening corner muscle horizontal segments；15- angles muscle bolt；
16- Strengthening corner muscle vertical sections；17- suspension rod screw rods；18- lacing wire bolts；19- transverse direction lacing wires；The oblique lacing wires of 20-；21- platform spiral shells
Bolt；22- hangs muscles；23- tops hangs muscle nut；24- bottoms hangs muscle nut；25- ceiling decorations layer；27- rust preventive coatings；Noted after 28-
Colloid；29- floorboards.
Embodiment
The design and making construction technical requirement, the design of built-in reinforcement connecting plate of present embodiment middle and upper part connecting bolt
With making construction technical requirement, the design of bottom connecting bolt and the design for making construction technical requirement, bottom connecting platform plate
Applied with construction technical requirement, concrete pouring construction technical requirements, the rear injecting glue of making construction technical requirement, intermediate transverse girder lifting
Repeated no more in the present embodiment such as work technical requirements, emphasis illustrates that the present invention relates to the embodiment of construction method.
Fig. 1 is a kind of large space steel skeleton grid suspended ceiling converting support structural representation of the invention, and Fig. 2 is that Fig. 1 tops connect
Connecting bolt and built-in reinforcement connecting plate and floorboard template connection diagram, Fig. 3 are that Fig. 1 tops connecting bolt and built-in reinforcement connect
Fishplate bar and floorboard connection diagram.Shown in 1~Fig. 3 of reference picture, the present invention relates to large space steel skeleton grid furred ceiling conversion branch
Support structure, in the default built-in reinforcement connecting plate 2 being connected with top connecting bolt 1 in the top of floorboard reinforcing bar 9；Treat floorboard 29
Concrete strength is met after requirement, and on top, connecting bolt 1 sets Strengthening corner muscle 13 with the bottom surface joint of floorboard 29；Suspension rod spiral shell
The two ends of bar 17 are connected firmly with top connecting bolt 1 and bottom connecting bolt 3 respectively, and between adjacent suspension rod screw rod 17
Horizontal lacing wire 19 and oblique lacing wire 20 are set；Intermediate transverse girder 7 is set on bottom connecting platform plate 4, in intermediate transverse girder 7 and furred ceiling
Hangs muscle 22 is set between keel 8；In the lower surface of ceiling joist 8, ceiling decoration layer 25 is set.
Top connecting bolt 1 uses diameter 20mm stainless steel bolt with bottom connecting bolt 3.In top connecting bolt
Hole for injecting glue 11, a diameter of 6mm of rear hole for injecting glue 11, through the single-sided side walls of top connecting bolt 1 after 1 upper end is set.
Built-in reinforcement connecting plate 2 uses strength grade for Q235B galvanized steel plain sheet with bottom connecting platform plate 4；Wherein
The planar dimension of built-in reinforcement connecting plate 2 is 60mm × 60mm, and thickness is 1cm；The planar dimension of bottom connecting platform plate 4 is
200mm × 200mm, thickness is 2cm.
Floorboard template 5 is using phenolic aldehyde glue surface 12mm × 91.5cm × 183cm waterproof durable building templates；
Top connecting bolt is 20mm through the aperture in hole 6, and depth is 60mm；
Intermediate transverse girder 7 uses wall thickness 4.5mm, high 100mm, width 68mm, strength grade for Q235C I-steel steel.
The zinc-plated lightgage steel joists of 0.6mm × 35cm × 75cm are used in ceiling joist 8.
Floorboard reinforcing bar 9 arranges reinforcing bar by Architectural Structure Design；
Mortar leakage prevention rubber ring 10 uses internal diameter for 20mm thickening rubber ring；
Injected rubber hose 12 uses a diameter of 6mm rubber tube afterwards, and one end of rear injected rubber hose 12 is connected with top connecting bolt 1,
The other end stretches out floorboard 29.
Strengthening corner muscle 13 is using ∠ 100 × 100 × 3 stainless steel angle steel, and its length is 100mm.Strengthening corner muscle horizontal segment
14 and the length of Strengthening corner muscle vertical section 16 be 100mm, angle muscle bolt 15 using a diameter of 16mm stainless steel bolt.
Suspension rod screw rod 17 uses M16 full tooth stainless steel screw rod.
The internal thread diameter of lacing wire bolt 18 is 16mm, is highly 40mm.
Horizontal lacing wire 19, oblique lacing wire 20, hangs muscle 22 use M10 double threaded screws.
Platform bolt 21 uses diameter 10mm stainless steel bolts；
Top hangs muscle nut 23 and the size of bottom hangs muscle nut 24 are matched with the size of hangs muscle 22；
Ceiling decoration layer 25 uses gypsum sheet material decorative layer.
Rust preventive coating 27 is thickness 1mm epoxy anti-rust paint.
By rear injected rubber hose 12, the pressure injection metal adhesive glue into top connecting bolt 1 is formed glue injection body 28 afterwards.
The thickness 110mm of floorboard 29, strength grade of concrete is C30.
Fig. 4 is a kind of large space steel skeleton grid suspended ceiling converting support structure construction flow chart of the invention, shown in reference picture 4
A kind of construction method of large space steel skeleton grid suspended ceiling converting support structure, including following construction procedure：
(1) preparation of construction：The size of each component of furred ceiling is examined, construction flowing water section is divided, formulates ceiling construction scheme, get all the ready
Various materials in work progress, precast plant prepare top connecting bolt 1, built-in reinforcement connecting plate 2, bottom connecting bolt 3,
Bottom connecting platform plate 4, makes top connecting bolt 1 be connected firmly with built-in reinforcement connecting plate 2, makes bottom connecting bolt 3 with
Portion's connecting platform plate 4 is connected firmly；
(2) surveying setting-out：The position of built-in reinforcement junction steel plate 2 is ejected in floorboard template 5, and in floorboard template
On 5 set top connecting bolt 1 pass through hole, with spirit level by floorboard template 5, intermediate transverse girder 7, ceiling joist 8 elevation line
It is bound on cylinder and metope；
(3) reinforcement connecting plate 2 is set built in：Built-in reinforcement connecting plate 2 is first located at building together with top connecting bolt 1
The top of slab reinforcement 9, and top connecting bolt 1 is passed through hole through the top connecting bolt 1 of floorboard template 5, on top
Connecting bolt 1 and the joint of floorboard template 5 set mortar leakage prevention rubber ring 10, by built-in reinforcement connecting plate 2 and the building that is in contact
Slab reinforcement 9 is welded to connect；The rear hole for injecting glue 11 at the top of top connecting bolt 1 is set to be connected with rear injected rubber hose 12；Carry out floorboard
The locus of top connecting bolt 1 should be corrected at any time in 29 concretings, maintenance, concreting process；
(4) Strengthening corner muscle 13 is laid：The position correction of top connecting bolt 1 is first carried out, and makes top connecting bolt 1 and flooring
Plate plane perpendicular；Two Strengthening corner muscle 13 are symmetrical arranged in the outside of top connecting bolt 1 again, make Strengthening corner muscle horizontal segment 14 and building
Panel 29 is connected by angle muscle bolt 15, and Strengthening corner muscle vertical section 16 is welded to connect with top connecting bolt 1；
(5) suspension rod screw rod 17 and lacing wire are installed：The suspension rod screw rod 17 connected with lacing wire bolt 18 is connected spiral shell with top
Bolt 18 is connected firmly, and the absolute altitude of adjustment lacing wire bolt 18 is to meeting requirement；Cloth, which is set, between adjacent lacing wire bolt 18 laterally draws
Muscle 19, sets oblique lacing wire 20 between lacing wire bolt 18 and Strengthening corner muscle 13；
(6) bottom connecting bolt 3 and bottom connecting platform plate 4 are installed：The bottom of suspension rod screw rod 17 is set to be connected spiral shell with bottom
Bolt 3 is connected firmly, and makes the top surface for the bottom connecting platform plate 4 being connected with bottom connecting bolt 3 at same elevation；
(7) intermediate transverse girder 7 is installed：Intermediate transverse girder 7 is lifted to bottom connecting platform plate 4, and passes through platform bolt pair
Intermediate transverse girder 7 and bottom connecting platform plate 4 are tentatively connected；After the absolute altitude for correcting intermediate transverse girder 7, by intermediate transverse girder 7
With bottom connecting platform plate 4 by fastening bolt or be welded to connect firmly；
(8) hangs muscle 22 is installed：Pre-compression test first is carried out to intermediate transverse girder 7, the bearing capacity of intermediate transverse girder 7 is detected, then will hang
The hangs muscle reserved on the insertion intermediate transverse girder 7 of muscle 22 passes through hole, and is connected hangs muscle 22 with intermediate transverse girder 7 by top hangs muscle nut 23
Connect firmly；
(9) ceiling joist 8 is installed：Netted ceiling joist 8 is set in hangs muscle bottom, and will be hung by bottom hangs muscle nut 24
Top keel 8 are connected firmly with hangs muscle 22, and make the ceiling joist absolute altitude of hangs muscle bottom consistent, no faulting of slab ends, fissure of displacement phenomenon；
(10) ceiling decoration layer 25 is installed：Between ceiling joist, in strict accordance with the distributing order of setting-out drawing, from one
Ceiling decoration layer 25 is installed in direction successively, is first installed large area on-gauge plate during installation, then carry out non-standard plate installation.
Claims (10)
1. a kind of large space steel skeleton grid suspended ceiling converting support structure, it is characterised in that including top connecting bolt (1), built-in
Reinforcement connecting plate (2), bottom connecting bolt (3), bottom connecting platform plate (4), floorboard template (5), top connecting bolt are worn
Via (6), intermediate transverse girder (7), ceiling joist (8), floorboard reinforcing bar (9), mortar leakage prevention rubber ring (10), rear hole for injecting glue (11),
Afterwards injected rubber hose (12), Strengthening corner muscle (13), Strengthening corner muscle horizontal segment (14), angle muscle bolt (15), Strengthening corner muscle vertical section (16),
Suspension rod screw rod (17), lacing wire bolt (18), horizontal lacing wire (19), oblique lacing wire (20), platform bolt (21), hangs muscle (22), on
Portion's hangs muscle nut (23), bottom hangs muscle nut (24), ceiling decoration floor (25), rust preventive coating (27), rear glue injection body (28) and building
Panel (29)；The default built-in reinforcement connecting plate (2) being connected with top connecting bolt (1) in the top of floorboard reinforcing bar (9)；Upper
Portion's connecting bolt (1) sets Strengthening corner muscle (13) with floorboard (29) bottom surface joint；The two ends of suspension rod screw rod (17) respectively with
Top connecting bolt (1) and bottom connecting bolt (3) are connected firmly, and setting is laterally drawn between adjacent suspension rod screw rod (17)
Muscle (19) and oblique lacing wire (20)；Intermediate transverse girder (7) is set on bottom connecting platform plate (4), in intermediate transverse girder (7) and furred ceiling
Hangs muscle (22) is set between keel (8)；In ceiling joist (8) lower surface, ceiling decoration layer (25) is set.
2. a kind of large space steel skeleton grid suspended ceiling converting support structure according to claim 1, it is characterised in that described
Connection screw thread, hole for injecting glue (11) after the setting of upper end are set inside top connecting bolt (1) and bottom connecting bolt (3)；Top
Connecting bolt (1) is vertical with built-in reinforcement connecting plate (2), and is bolted or is welded to connect；Bottom connecting bolt (3) with
Bottom connecting platform plate (4) vertically, and is bolted or is welded to connect.
3. a kind of large space steel skeleton grid suspended ceiling converting support structure according to claim 1, it is characterised in that described
Mortar leakage prevention rubber ring (10) is made of artificial rubber or natural rubber, and mortar leakage prevention rubber ring (10) is located at top connecting bolt
(1) outside, mortar leakage prevention rubber ring (10) filling top connecting bolt (1) passes through the space of hole (6) with top connecting bolt.
4. a kind of large space steel skeleton grid suspended ceiling converting support structure according to claim 1, it is characterised in that described
Horizontal lacing wire (19) and oblique lacing wire (20) are using a diameter of 6mm or 8mm or 10mm plain steel-bar, horizontal lacing wire (19) and oblique
Use and be welded to connect with lacing wire bolt (18) and Strengthening corner muscle (13) to lacing wire (20).
5. a kind of large space steel skeleton grid suspended ceiling converting support structure according to claim 1, it is characterised in that described
Suspension rod screw rod (17) uses stainless steel screw rod, and connecting screw is respectively provided with the interlude of suspension rod screw rod (17) and two ends.
6. a kind of large space steel skeleton grid suspended ceiling converting support structure according to claim 1, it is characterised in that described
Top hangs muscle nut (23) and bottom hangs muscle nut (24) include two nuts, in top hangs muscle nut (23) and bottom hangs muscle
The outside brushing rust preventive coating of nut (24).
7. a kind of construction method of large space steel skeleton grid suspended ceiling converting support structure as claimed in claim 1, its feature exists
In including following construction procedure：
1) preparation of construction：The size of each component of furred ceiling is examined, construction flowing water section is divided, formulates ceiling construction scheme, get all the construction ready
During various materials, precast plant prepare top connecting bolt (1), built-in reinforcement connecting plate (2), bottom connecting bolt
(3) and bottom connecting platform plate (4), top connecting bolt (1) is connected firmly with built-in reinforcement connecting plate (2), connect bottom
Connecting bolt (3) is connected firmly with bottom connecting platform plate (4)；
2) surveying setting-out：The position of built-in reinforcement junction steel plate (2) is ejected in floorboard template (5), and in floorboard template
(5) top connecting bolt (1) is set to pass through hole on, with spirit level by floorboard template (5), intermediate transverse girder (7) and ceiling joist
(8) elevation line is bound on cylinder and metope；
3) reinforcement connecting plate (2) built in is set：First built-in reinforcement connecting plate (2) is located at together with top connecting bolt (1)
The top of floorboard reinforcing bar (9), and top connecting bolt (1) is passed through through the top connecting bolt (1) of floorboard template (5)
Hole, on top, connecting bolt (1) sets mortar leakage prevention rubber ring (10) with floorboard template (5) joint, and built-in reinforcement is connected
Plate (2) is welded to connect with the floorboard reinforcing bar (9) being in contact；Make the rear hole for injecting glue (11) at the top of top connecting bolt (1) with after
Injected rubber hose (12) is connected；Carry out that top company should be corrected in floorboard (29) concreting, maintenance, concreting process at any time
The locus of connecting bolt (1)；
4) Strengthening corner muscle (13) is laid：Top connecting bolt (1) position correction is first carried out, and makes top connecting bolt (1) and building
Panel plane perpendicular；Two Strengthening corner muscle (13) are symmetrical arranged on the outside of top connecting bolt (1) again, make Strengthening corner muscle horizontal segment
(14) it is connected with floorboard (29) by angle muscle bolt (15), Strengthening corner muscle vertical section (16) is welded with top connecting bolt (1)
Connection；
5) suspension rod screw rod (17) and lacing wire are installed：The suspension rod screw rod (17) connected with lacing wire bolt (18) is connected spiral shell with top
Bolt (18) is connected firmly, and the absolute altitude of adjustment lacing wire bolt (18) is to meeting requirement；Cloth is set between adjacent lacing wire bolt (18)
Horizontal lacing wire (19), sets oblique lacing wire (20) between lacing wire bolt (18) and Strengthening corner muscle (13)；
6) bottom connecting bolt (3) and bottom connecting platform plate (4) are installed：The bottom of suspension rod screw rod (17) is set to be connected spiral shell with bottom
Bolt (3) is connected firmly, and makes the top surface for the bottom connecting platform plate (4) being connected with bottom connecting bolt (3) at same elevation；
7) intermediate transverse girder (7) is installed：Intermediate transverse girder (7) is lifted to bottom connecting platform plate (4), and passes through platform bolt pair
Intermediate transverse girder (7) and bottom connecting platform plate (4) are tentatively connected；After the absolute altitude for correcting intermediate transverse girder (7), by centre
Crossbeam (7) and bottom connecting platform plate (4) are by fastening bolt or are welded to connect firmly；
8) hangs muscle (22) is installed：Pre-compression test first is carried out to intermediate transverse girder (7), intermediate transverse girder (7) bearing capacity is detected, then will hang
The hangs muscle reserved in muscle (22) insertion intermediate transverse girder (7) passes through hole, and by top hangs muscle nut (23) by hangs muscle (22) with
Between crossbeam (7) be connected firmly；
9) ceiling joist (8) is installed：Netted ceiling joist (8) is set in hangs muscle (22) bottom, and passes through bottom hangs muscle nut
(24) ceiling joist (8) is connected firmly with hangs muscle (22), and makes ceiling joist (8) absolute altitude of hangs muscle (22) bottom consistent, nothing
Faulting of slab ends, fissure of displacement phenomenon；
10) ceiling decoration layer (25) is installed：Between ceiling joist (8), in strict accordance with the distributing order of setting-out drawing, from one
Ceiling decoration layer (25) is installed in direction successively, is first installed large area on-gauge plate during installation, then carry out non-standard plate peace
Dress.
8. a kind of large space steel skeleton grid suspended ceiling converting support system construction method according to claim 7, its feature
Be step 1), step 3) connection screw thread, upper end are set inside the top connecting bolt (1) and bottom connecting bolt (3)
Hole for injecting glue (11) after setting；Top connecting bolt (1) is vertical with built-in reinforcement connecting plate (2), and is bolted or welds
Connection；Bottom connecting bolt (3) is vertical with bottom connecting platform plate (4), and is bolted or is welded to connect.
9. a kind of large space steel skeleton grid suspended ceiling converting support system construction method according to claim 7, its feature
It is step 3) the mortar leakage prevention rubber ring (10) is made of artificial rubber or natural rubber, and mortar leakage prevention rubber ring (10) is located at
The outside of top connecting bolt (1), filling top connecting bolt (1) passes through the space of hole (6) with top connecting bolt.
10. a kind of large space steel skeleton grid suspended ceiling converting support system construction method according to claim 7, its feature
Be step 5) the horizontal lacing wire (19) and oblique lacing wire (20) using a diameter of 6mm or 8mm or 10mm plain steel-bar, it is horizontal
Use and be welded to connect with lacing wire bolt (18) and Strengthening corner muscle (13) to lacing wire (19) and oblique lacing wire (20)；In horizontal lacing wire
(19) and oblique lacing wire (20) laying when, it should be noted that check suspension rod screw rod (17) locus and gradient.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111549967A (en) * | 2020-04-23 | 2020-08-18 | 江苏兴业智慧建筑科技有限公司 | Novel ceiling board connecting structure and construction process thereof |
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| CN202047591U (en) * | 2011-04-12 | 2011-11-23 | 广州市建筑集团有限公司 | Reinforcing steel bar truss template |
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| CN111549967A (en) * | 2020-04-23 | 2020-08-18 | 江苏兴业智慧建筑科技有限公司 | Novel ceiling board connecting structure and construction process thereof |
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| CN107217777B (en) | 2023-11-28 |
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