CN103485465B - CBM internal mold and CBM high-strength thin-wall pipe cast-in-situ hollow floor plate construction technology - Google Patents
CBM internal mold and CBM high-strength thin-wall pipe cast-in-situ hollow floor plate construction technology Download PDFInfo
- Publication number
- CN103485465B CN103485465B CN201310473050.7A CN201310473050A CN103485465B CN 103485465 B CN103485465 B CN 103485465B CN 201310473050 A CN201310473050 A CN 201310473050A CN 103485465 B CN103485465 B CN 103485465B
- Authority
- CN
- China
- Prior art keywords
- cbm
- internal mold
- plate
- wall pipe
- reinforcing bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Reinforcement Elements For Buildings (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Abstract
The invention discloses a kind of CBM internal mold and CBM high-strength thin-wall pipe cast-in-situ hollow floor plate construction technology, described CBM internal mold includes filling main material, sealing coat, sub-surface reinforcement and support, and described sub-surface reinforcement is brush one layer of polyurethane water-proof paint at described CBM inner mould surface.The superior effect of CBM internal mold of the present invention and CBM high-strength thin-wall pipe cast-in-situ hollow floor plate construction technology is in that: CBM internal mold of the present invention and CBM high-strength thin-wall pipe cast-in-situ hollow floor plate construction technology is safe and reliable, CBM high-strength thin-wall pipe intensity is high, not cracky, environmental protection and energy saving, fire resistance are good, have significant Social benefit and economic benefit.
Description
Technical field
The invention belongs to the realm of building construction, be specifically related to a kind of CBM internal mold and CBM high-strength thin-wall pipe cast-in-situ hollow floor plate construction technology.
Background technology
The plate used in building industry is hollow-core construction concrete slab, and cored slab must have cross beam support in use, and arrange too much crossbeam between floors and both affected the useful space, affects again indoor arrangement and attractive in appearance.Now with the development of building industry, commonly used cast-in-situ floor technology.Cast-in-place floor is solid construction, and its sound insulation and heat-insulating property are relatively poor.Recently, occurring in that cast-in-place hollow slab pore-forming septal funnel, it is to be base material by cement, sand, mixes glass fibre composite molding.It there is problems of manufacturing process complexity, processing cost height.The light-wall pipe of Concrete Filled is mainly used in the making of concrete empty stomach plate, and light-wall pipe is the hollow pipe by the sealing of two ends cover plate and the closed tube that constitutes.In construction; when concrete pours into the bottom of light-wall pipe; hollow thin-wall pipe often floats or rolls; it is also possible to be crowded together; the design thickness that thus can make the concrete cover between the design pitch between tube and tube and light-wall pipe and end bar-mat reinforcement can not be up to standard; and light-wall pipe is not linked up with junction, carrying inconvenience.
Summary of the invention
The present invention provides a kind of CBM internal mold and CBM high-strength thin-wall pipe cast-in-situ hollow floor plate construction technology, to solve the technical problem of existing floor manufacturing process complexity, processing cost height, sound insulation and poor thermal insulation property.
In order to solve above technical problem, the present invention adopts the technical scheme that: a kind of CBM internal mold, described CBM internal mold includes filling main material, sealing coat, sub-surface reinforcement and support, and described sub-surface reinforcement is brush one layer of polyurethane water-proof paint at described CBM inner mould surface.
A kind of CBM high-strength thin-wall pipe cast-in-situ hollow floor plate construction technology, described technique comprises the following steps.
A. plate end template is installed.
B. girt strip, set aside pre-embedded pipeline and CBM internal mold position snap the line location.
C. beam, at the bottom of plate and the reinforcing bar binding of girt strip.
D. the installation of set aside pre-embedded pipeline.
E. the laying of presstressed reinforcing steel, the installation of split heads and presstressed reinforcing steel.
F., CBM internal mold is installed.
The anti-floating of g.CBM internal mold 1.
H. colligation plate top reinforcing bar.
I. concreting.
J. unbonded prestressing tendon stretch-draw.
Being preferably, in step a, plate end mould adopts wooden model, punches on plate end mould, and aperture is 25-30mm, and the height of plate end mould span centre arch camber presses 2/1000-3/1000 arch camber.
It is preferably, in step b, utilizes theodolite, level gauge and steel ruler, template ejects girt strip, set aside pre-embedded pipeline and the absolute altitude of CBM internal mold, axis and spaced position control line.
It is preferably, in step d, set aside pre-embedded pipeline is installed and is arranged in dark Liang Chu according to the size of caliber.
It is preferably, in step e, presstressed reinforcing steel is laid along the straight laying in floor direction, presstressed reinforcing steel adopts the split heads that Φ 12 spiral makes to fix as locating rack, positioning support support point arrangement pitch is within the scope of 1500mm, split heads colligation is on the vertical skeleton stirrup of girt strip, and vertical position deviation is less than ± 5mm.
It is preferably, in step f, adopt at the bottom of plate along the fixing CBM internal mold of cylinder reinforcing bar, fix with tied silk colligation between CBM internal mould supporter and horizontal cylinder reinforcing bar, along cylinder reinforcing bar tied silk colligation at the bottom of horizontal cylinder reinforcing bar and plate, the reinforcing bar of fixing CBM internal mold is consistent with the groove width of CBM internal mould supporter.
It is preferably, in step g, along cylinder reinforcing bar at the bottom of fixing plate, adopts 12# iron wire to be banded in along the embedding muscle intersection of the support of cylinder reinforcing bar Yu CBM internal mold at the bottom of plate, be anchored on framed bent colligation through CBM internal mold firm.
Being preferably, in step h, plate top reinforcing bar is fixed on plate underlying layers muscle by 14# iron wire drawknot.
Being preferably, in step i, adopt plug-in type vibrating rod, vibrate along rib is progressive, vibrate spacing 300mm, and plate surface concrete plate vibrator vibrates, and scope of building is less than 3m, and vibrator avoids touching internal mold and positioning bar.
Adopting after technique scheme, CBM internal mold of the present invention and CBM high-strength thin-wall pipe cast-in-situ hollow floor plate construction technology is safe and reliable, ensure that construction quality, there is significant Social benefit and economic benefit.CBM self-stable high-strength thin-wall pipe light weight, intensity is high, not cracky, and environmental protection and energy saving, fire resistance are good, and have good workability.And CBM self-stable high-strength thin-wall pipe carries mounting bracket, eliminate making and the installation of a large amount of additional installation connecting element, simplify operational procedure, reduce construction cost, shorten the duration, enhancing environmental protection and energy saving and fire resistance property, the cassette ceiling engineering of the industry bigger for span and civil buildings, public building provides technical support.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the topology view of CBM internal mold of the present invention.
Fig. 2 is the installation view of CBM high-strength thin-wall pipe cast-in-situ hollow floor plate of the present invention.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
As shown in Figure 1 to Figure 2, CBM internal mold 1 is constituted by filling main material 11, sealing coat 12, sub-surface reinforcement 13 and support 14, the two ends closure of internal mold 1 is closely knit, the surface of CBM internal mold 1 smooths, flawless, cavity and burr, sub-surface reinforcement 13 is before installing CBM internal mold 1, at one layer of polyurethane water-proof paint of CBM internal mold 1 external coating.Polyurethane water-proof paint is a kind of liquid environment-friendly type water-repellent paint.It solidifies after contacting with the dampness in air, forms jointless integral waterproofing film one layer firm on CBM internal mold 1 surface.CBM internal mold 1 so both can be avoided persistently to absorb water and the quality of xoncrete structure is impacted, can effectively prevent again in the CBM internal mold 1 process in construction damaged.Simultaneously smooth sealing coat 12 is little with concrete friction coefficient, it is simple to concrete flowing and build closely knit.
Comprising the following steps that of CBM high-strength thin-wall pipe cast-in-situ hollow floor plate construction technology.
1. install plate end template.
Structural floor beam, plate end template adopt standard form to install according to a conventional method.Plate end mould adopts wooden model, punches on plate end mould according to flat, the profile position of presstressed reinforcing steel 3, and aperture is 25-30mm.Presstressed reinforcing steel 3 stretching end is facilitated to stretch out.For the requirement of satisfied use function, the height of plate end mould span centre arch camber presses 2/1000-3/1000 arch camber.
2. girt strip 8, set aside pre-embedded pipeline and CBM internal mold position snap the line location.
After cored slab bed die installs complete and acceptance(check), require to utilize theodolite, level gauge and steel ruler according to design drawing, template ejects girt strip 8, set aside pre-embedded pipeline and the absolute altitude of CBM internal mold 1, axis and spaced position control line, it is simple to next procedure smooth construction.
3. beam, at the bottom of plate and the reinforcing bar binding of girt strip 8.
Colligation plate is interior long to the upper and lower reinforcing bar in beam and waffle beam and stirrup；Upper and lower reinforcing bar in short beam and waffle beam and stirrup in colligation plate；Along cylinder reinforcing bar 5 at the bottom of the plate at short CBM internal mold 1 position in colligation plate；In colligation plate long at the bottom of the plate at CBM internal mold 1 position along cylinder reinforcing bar 5.Reinforcing bar binding is carried out according to a conventional method according to the requirement of design and construction drawing and " concrete structure engineering construction quality accident specification " GB50204-2002.Noting reinforcing bar binding lap joint mode in process of binding, damage during in order to prevent CBM internal mold 1 from laying, reinforcing bar to keep flat overlap joint, and to keep CBM internal mold 1 bottom surface reinforcing bar smooth, tied silk button tail down is buried underground.
4. the installation of set aside pre-embedded pipeline.
Set aside pre-embedded pipeline is installed should be arranged in dark beam or pipe intercostal according to the size of caliber as far as possible.When horizontal pipeline and electric wire box etc. cannot be avoided with CBM internal mold 1, CBM internal mold 1 should be disconnected and dodging.Meet cross pipe-line or special concentration place, minor diameter CBM internal mold 1 is installed and dodges pipeline.
5. the laying of presstressed reinforcing steel 3, the installation of split heads 7 and presstressed reinforcing steel 3.
Presstressed reinforcing steel 3 is laid along floor direction straight, is forbidden there is obvious bending, and presstressed reinforcing steel 3 is laid according to a conventional method according to the requirement of design and " unbonded prestressed concrete structure technical regulation " JGJ92.During laying, presstressed reinforcing steel 3 must rise be accurate, curve is smooth, and presstressed reinforcing steel 3 is fixing can adopt the split heads 7 that Φ 12 spiral makes to fix as locating rack, and positioning support support point arrangement pitch controls within the scope of 1500mm；Split heads 7 can directly colligation or point be welded on the vertical skeleton stirrup of girt strip 8, and vertical position tolerance must not exceed ± 5mm.The bearing plate of stretching end must reliably be fixed, and keeps stretch-draw position vertical with bearing plate.
6. CBM internal mold 1 is installed.
Adopt to fix along cylinder reinforcing bar 5 at the bottom of plate and fix with tied silk colligation between CBM internal mold 1, CBM internal mold 1 support and horizontal cylinder reinforcing bar, along cylinder reinforcing bar 5 tied silk colligation at the bottom of horizontal cylinder reinforcing bar and plate.The reinforcing bar of fixing CBM internal mold 1 should be consistent with the groove width of CBM internal mold 1 support 14, can adjust according to the principle that quantity of reinforcement is constant when design reinforcement diameter is different.When CBM internal mold 1 is installed, intercostal reinforcing bar should be installed simultaneously.First do model support at the scene, by the leg 14 of CBM internal mold 1 in advance on model support with many roughing silk bunchiness colligations securely at the bottom of plate along on cylinder reinforcing bar 5, then by the line of bullet be in turn mounted to operating position, it is ensured that during casting and compacting of concrete, leg 14 does not come off along cylinder reinforcing bar 5 with at the bottom of plate.
The anti-floating of 7.CBM internal mold 1.
Along cylinder reinforcing bar 5 at the bottom of fixing plate, should reinforcement be temporarily fixed on bed die during installing plate bed die, to prevent from floating along cylinder reinforcing bar 5 at the bottom of internal mold and plate.When casting concrete, cause that CBM internal mold 1 drives float along cylinder reinforcing bar 5 at the bottom of plate because of the buoyancy of the vibration of vibrating head and CBM internal mold 1 itself, for guaranteeing the fixing of reinforcing bar, generally 12# iron wire is being adopted to be buckled at the bottom of plate along on the embedding muscle cross point of support 14 of cylinder reinforcing bar 5 and CBM internal mold 1, and it is firm to be anchored on framed bent colligation through CBM internal mold 1, should suitably encrypt on four limits and corner.
Arrange the logical muscle 4 of anti-floating, for preventing when concreting, along the overall floating of cylinder reinforcing bar 5 at the bottom of CBM internal mold 1 and plate, generally 2 Φ 12 reinforcing bars are arranged in 1/3 place of distance CBM internal mold 1 end.Compared with traditional internal mold measure of anti float, for preventing CBM internal mold 1 from being destroyed because of a stress, have employed, at the logical muscle 4 of anti-floating, the circular arc reinforcing bar pad 2 being consistent with CBM internal mold 1 size with CBM internal mold 1 junction, and be welded on the logical muscle 4 of anti-floating, reached good protection effect.
8. colligation plate top reinforcing bar 6.
Reinforcing bar binding is carried out according to a conventional method according to the requirement of design and construction drawing and " concrete structure engineering construction quality accident specification " GB50204-2002.It should be noted that do not trample CBM internal mold 1 in order to avoid loose shift, plate top reinforcing bar 6 should carry out anti-floating process, it is common practice to: plate top reinforcing bar 6 should be fixed on plate underlying layers muscle by 14# iron wire drawknot by the spacing of designing requirement or be directly anchored on CBM internal mold 1.
9. concreting.
After template, reinforcing bar, CBM internal mold 1, the acceptance of work such as pre-buried are qualified, carry out concreting.Adopting ground pump construction, built on stilts packway is set up at scene, one-shot forming when building, and along along cylinder rib direction cloth, adopting plug-in type vibrating rod, vibrate along rib is progressive, vibrate spacing 300mm.Plate surface concrete plate vibrator vibrates, and primary concreting scope is no more than 3m.Vibrator avoids touching internal mold and positioning bar.
Because two adjacent CBM internal molds 1 are minimum with the spacing at the bottom of plate panel, reinforced mesh is also had in the middle of flank, the extremely difficult whereabouts of concrete, slightly neglect, very easily producing honeycomb, pitted skin, even hollow plate phenomenon at the bottom of plate, for ensureing at the bottom of plate and the concrete degree of compaction of circular arc portion under rib, tackle all CBM internal molds 1 before concreting and fully water moistening, reduce concrete workability and the slump in order to avoid CBM internal mold 1 absorbs water in a large number and produce hollow plate, pitted skin phenomenon.Meanwhile, adopting high efficiency water reducing agent, make concrete slump be not less than 160, aggregate particle diameter is not to be exceeded 31.5mm.
For ensureing construction quality, during concrete placings, cloth should be synchronously performed with vibrating, and every rib is intended to vibration compacting.Concrete discharging should be uniform, it is to avoid piles up too high damage CBM internal mold 1, should avoid touching CBM internal mold 1 and fixing device as far as possible, it is to be ensured that be filled with full at the bottom of light-wall pipe when vibrating.
During concrete placings, forbidding to be placed on internal mold by construction equipment, pump line etc., constructing operation personnel must not directly trample internal mold.Mark is controlled, with watering concrete with checking flat absolute altitude on plate bed die absolute altitude and concrete plate at the affected thickness of slab of superstructure and internal mold absolute altitude.In concreting process, should on internal mold cloth, then down vibrate, never caught up with forward by pipe after intercostal cloth, to prevent internal mold entirety from floating.
10. unbonded prestressing tendon 3 stretch-draw.
Method construction according to designing requirement and regulation unbonded prestressing tendon 3 stretch-draw routinely of industry standard " unbonded prestressed concrete structure technical regulation " JGJ92.Tensioner and instrument are used management by special messenger, and use within the effect duration of verification.When tensioning equipment is installed, the unbonded prestressing tendon 3 to straight line, the position of stretching force should be made to overlap with presstressed reinforcing steel 3 centrage；Unbonded prestressing tendon 3 to curve, should make stretching force position overlap with the tangent line of presstressed reinforcing steel 3 centrage end, in order to avoid damaging concrete girt strip.
During stretch-draw, the intensity of inspection concrete consubstantiality curing test block, concrete consubstantiality intensity of test block can carry out presstressed reinforcing steel 3 stretch-draw after reaching design value of concrete strength.Bearing plate face should be cleared up before stretch-draw, check concrete quality after bearing plate.After stretch-draw completes 12h, abrasive wheel cutting machine or other mechanical means should be adopted to cut off the presstressed reinforcing steel 3 of overlength part, forbid to adopt flame or ARC CUTTING.The length that unbonded prestressing tendon 3 exposes outside ground tackle after cutting off cannot be less than 30mm.After presstressed reinforcing steel 3 cutting, carry out sealing off and covering anchorage, put the plastic seal end shield of interior preservation fat to protect stretching end ground tackle, and block cave mould with waterproof slightly expanded concrete or epoxy resin mortar.
CBM self-stable high-strength thin-wall pipe is the B1 level nonflammable material of light weight, high intensity, meets fire protection rule requirement.In natural environment, under the conditioning such as temperature, humidity, microorganism and secreted enzyme thereof, carbon dioxide and water can be completely decomposed in 3～6 months, meet green building material standard.Have and alleviate deadweight, the effect of reduction earthquake, raising heat-and sound-insulating performance.Can be widely applied in the buildings such as market, office building, library, teaching building, garage parking, house.It is particularly suited for that there is large span post net, big load structure, to the public building of the restricted requirement of floor height, residential housing and industrial building.CBM high-strength thin-wall pipe cast-in-situ hollow floor plate construction technology advantage in construction method: compare with similar cast-in-situ hollow floor plate construction method, the comprehensive cost performance of present invention process is high, and material property is superior, easy construction, and the duration is short, and quality is secure, environmental protection and energy saving.Cast-in-situ hollow floor plate CBM internal mold 1 adopts novel CBM self-stable high-strength thin-wall pipe, sets up and have protection and the sealing coat 12 of waterproof action outside CBM internal mold 1, it is to avoid the lasting water suction of CBM internal mold 1 and the quality of structural concrete is impacted.Circular arc reinforcing bar pad 2 is adopted with CBM internal mold 1 junction, to prevent CBM internal mold 1 from being destroyed because of a stress at the logical muscle 4 of anti-floating.CBM self-stable high-strength thin-wall pipe combine with unbonded prestressing tendon 3 make structure have do not ftracture, rigidity is big, the feature of good endurance.Increase span and the standard width of a room in an old-style house, the combination property of lift structure of structure cored slab, widen the use scope of cored slab structure.
CBM internal mold of the present invention and CBM high-strength thin-wall pipe cast-in-situ hollow floor plate construction technology construction safety are reliable, ensure that construction quality, have significant Social benefit and economic benefit.CBM self-stable high-strength thin-wall pipe light weight, intensity is high, not cracky, and environmental protection and energy saving, fire resistance are good, and have good workability.And CBM self-stable high-strength thin-wall pipe carries mounting bracket 14, eliminate making and the installation of a large amount of additional installation connecting element, simplify operational procedure, reduce construction cost.Shortening the duration, enhance environmental protection and energy saving and fire resistance property, the cassette ceiling engineering of the industry bigger for span and civil buildings, public building provides technical support.
Last it is noted that above example only illustrates technical scheme, it is not intended to limit；Although the present invention being described in detail with reference to previous embodiment, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature is carried out equivalent replacement；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a CBM internal mold, it is characterized in that, described CBM internal mold includes filling main material, sealing coat, sub-surface reinforcement and support, the main material of described filling is in natural environment, under the conditioning of temperature, humidity, microorganism and secreted enzyme thereof, can being completely decomposed into carbon dioxide and water in 3～6 months, meet green building material standard, described sub-surface reinforcement is brush one layer of polyurethane water-proof paint at described CBM inner mould surface.
2. using a kind of CBM high-strength thin-wall pipe cast-in-situ hollow floor plate construction technology of CBM internal mold as claimed in claim 1, described technique comprises the following steps: a. installs plate end template；B. girt strip, set aside pre-embedded pipeline and CBM internal mold position snap the line location；C. beam, at the bottom of plate and the reinforcing bar binding of girt strip；D. the installation of set aside pre-embedded pipeline；E. the laying of presstressed reinforcing steel, the installation of split heads and presstressed reinforcing steel；F., CBM internal mold is installed, while CBM internal mold is installed, intercostal reinforcing bar is installed；The anti-floating of g.CBM internal mold, the end of CBM internal mold is provided with Anti-floating reinforcing steel bar, and described Anti-floating reinforcing steel bar is combined with CBM internal mold by the circular arc reinforcing bar pad being consistent with CBM internal mold size；H. colligation plate top reinforcing bar；I. concreting, fully waters moistening to CBM internal mold before concreting；J. unbonded prestressing tendon stretch-draw.
3. CBM high-strength thin-wall pipe cast-in-situ hollow floor plate construction technology according to claim 2, it is characterised in that in step a, plate end mould adopts wooden model, punches on plate end mould, and aperture is 25-30mm, and the height of plate end mould span centre arch camber presses 2/1000-3/1000 arch camber.
4. CBM high-strength thin-wall pipe cast-in-situ hollow floor plate construction technology according to claim 2, it is characterized in that, in step b, utilize theodolite, level gauge and steel ruler, template ejects absolute altitude axis and the spaced position control line of girt strip, set aside pre-embedded pipeline and CBM internal mold.
5. CBM high-strength thin-wall pipe cast-in-situ hollow floor plate construction technology according to claim 2, it is characterised in that in step d, installs set aside pre-embedded pipeline and is arranged in dark Liang Chu according to the size of caliber.
6. CBM high-strength thin-wall pipe cast-in-situ hollow floor plate construction technology according to claim 2, it is characterized in that, in step e, presstressed reinforcing steel is laid along the straight laying in floor direction, presstressed reinforcing steel adopts the split heads that Φ 12 spiral makes to fix as locating rack, positioning support support point arrangement pitch is within the scope of 1500mm, and split heads colligation is on the vertical skeleton stirrup of girt strip, and vertical position deviation is less than ± 5mm.
7. CBM high-strength thin-wall pipe cast-in-situ hollow floor plate construction technology according to claim 2, it is characterized in that, in step f, adopt at the bottom of plate along the fixing CBM internal mold of cylinder reinforcing bar, fix with tied silk colligation between CBM internal mould supporter and horizontal cylinder reinforcing bar, along cylinder reinforcing bar tied silk colligation at the bottom of horizontal cylinder reinforcing bar and plate, the reinforcing bar of fixing CBM internal mold is consistent with the groove width of CBM internal mould supporter.
8. CBM high-strength thin-wall pipe cast-in-situ hollow floor plate construction technology according to claim 2, it is characterized in that, in step g, along cylinder reinforcing bar at the bottom of fixing plate, adopt 12# iron wire to be banded in along the embedding muscle intersection of the support of cylinder reinforcing bar Yu CBM internal mold at the bottom of plate, be anchored on framed bent colligation through CBM internal mold firm.
9. CBM high-strength thin-wall pipe cast-in-situ hollow floor plate construction technology according to claim 2, it is characterised in that in step h, plate top reinforcing bar is fixed on plate underlying layers muscle by 14# iron wire drawknot.
10. CBM high-strength thin-wall pipe cast-in-situ hollow floor plate construction technology according to claim 2, it is characterized in that, in step i, employing plug-in type vibrating rod, vibrating along rib is progressive, vibrate spacing 300mm, and plate surface concrete plate vibrator vibrates, scope of building is less than 3m, and vibrator avoids touching internal mold and positioning bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310473050.7A CN103485465B (en) | 2013-10-12 | 2013-10-12 | CBM internal mold and CBM high-strength thin-wall pipe cast-in-situ hollow floor plate construction technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310473050.7A CN103485465B (en) | 2013-10-12 | 2013-10-12 | CBM internal mold and CBM high-strength thin-wall pipe cast-in-situ hollow floor plate construction technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103485465A CN103485465A (en) | 2014-01-01 |
| CN103485465B true CN103485465B (en) | 2016-07-06 |
Family
ID=49826018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310473050.7A Active CN103485465B (en) | 2013-10-12 | 2013-10-12 | CBM internal mold and CBM high-strength thin-wall pipe cast-in-situ hollow floor plate construction technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103485465B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110016986A (en) * | 2018-01-10 | 2019-07-16 | 内蒙古兴泰建设集团有限公司 | A kind of GFC hollow pipe cast-in-place concrete hollow floor slab construction method |
| CN113309282A (en) * | 2021-06-11 | 2021-08-27 | 中电建十一局工程有限公司 | Hollow floor slab construction process |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000032888A1 (en) * | 1998-11-27 | 2000-06-08 | Sobotka Ondrej | Active formwork of concrete structures |
| CN2668762Y (en) * | 2003-11-19 | 2005-01-05 | 李海深 | Reinforced concrete inner die water fixing support |
| CN101029517A (en) * | 2006-02-27 | 2007-09-05 | 杨北辉 | Cast-in-situs steel-reinforced concrete hollow floorslab and its construction |
| CN101487320A (en) * | 2009-02-06 | 2009-07-22 | 北京首钢建设集团有限公司 | Thin-wall hollow pipe anti-floating construction method for cast-in-situ concrete hollow floor slab |
| CN101818574A (en) * | 2010-03-23 | 2010-09-01 | 南通宏华建筑安装有限公司 | Construction method for self-stable high-strength thin-wall pipe internal mold cast-in-place hollow slab |
| CN102644349A (en) * | 2012-05-03 | 2012-08-22 | 上海建工集团股份有限公司 | Cast-in-place concrete floor and construction process thereof |
-
2013
- 2013-10-12 CN CN201310473050.7A patent/CN103485465B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000032888A1 (en) * | 1998-11-27 | 2000-06-08 | Sobotka Ondrej | Active formwork of concrete structures |
| CN2668762Y (en) * | 2003-11-19 | 2005-01-05 | 李海深 | Reinforced concrete inner die water fixing support |
| CN101029517A (en) * | 2006-02-27 | 2007-09-05 | 杨北辉 | Cast-in-situs steel-reinforced concrete hollow floorslab and its construction |
| CN101487320A (en) * | 2009-02-06 | 2009-07-22 | 北京首钢建设集团有限公司 | Thin-wall hollow pipe anti-floating construction method for cast-in-situ concrete hollow floor slab |
| CN101818574A (en) * | 2010-03-23 | 2010-09-01 | 南通宏华建筑安装有限公司 | Construction method for self-stable high-strength thin-wall pipe internal mold cast-in-place hollow slab |
| CN102644349A (en) * | 2012-05-03 | 2012-08-22 | 上海建工集团股份有限公司 | Cast-in-place concrete floor and construction process thereof |
Non-Patent Citations (1)
| Title |
|---|
| CBM自稳型高强薄壁管混凝土空心楼盖施工技术;孙兴春;《江苏建筑》;20121231(第6期);第54-56页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103485465A (en) | 2014-01-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11286667B2 (en) | Seismic foundation framer and method of forming a foundation using same | |
| CN103806656A (en) | Construction method of cast-in-place concrete flat slab built-in thin-wall hollow box body | |
| CN102828468B (en) | Construction method for controlling prefabricated crack of high-strength thin-walled box girder under high-temperature dry condition | |
| JP2011247072A (en) | Installation foundation and construction method thereof | |
| CN102248577B (en) | Superlight-foamed-cement-based manufacturing process for thermal-insulation bearing wall panel | |
| KR101821630B1 (en) | Shear-reinforcement half pc slab structure and construction method | |
| CN209907694U (en) | Ribbed steel mesh hollow-out cast-in-situ concrete T-shaped section hollow floor structure | |
| CN103306463B (en) | Metal liner concrete air channel construction method | |
| CN104405068A (en) | Construction method of post-tensioned unbonded prestressed hollow floor slab | |
| CN105442629B (en) | A kind of large scale equipment T stage vibration isolation mounts construction | |
| WO2018099199A1 (en) | Prefabricated thermal insulation wall cladding manufacturing method | |
| CN102619330B (en) | Hollow building roof system GBF pipe anti-floating positioning construction method | |
| CN113202222A (en) | Construction method for assembled type superposed beam slab | |
| CN103485465B (en) | CBM internal mold and CBM high-strength thin-wall pipe cast-in-situ hollow floor plate construction technology | |
| CN115110586A (en) | Construction method of waterproof structure of contact part of tower crane foundation and raft | |
| CN205399774U (en) | Cast -in -place hollow superstructure mandrel is anti to float and prevents side and move structure | |
| CN107366369B (en) | Waterproof outer wall with high anti-seismic performance and construction method thereof | |
| CN111561094A (en) | Construction method and application of load reduction component in hollow floor system of underground garage | |
| CN207685984U (en) | A kind of overlength underground garage external wall structure | |
| CN107586068B (en) | Upright column concrete and construction method of concrete upright column | |
| CN206916767U (en) | A kind of prefabricated assembled elevator basis | |
| CN206917031U (en) | A kind of cast-in-place concrete bamboo core floor construction | |
| CN205840082U (en) | A kind of BRT Lightweight core mould close rib composite floor structure | |
| CN103821121A (en) | Large reinforced concrete offshore platform and method for manufacturing same | |
| CN205421648U (en) | A hollow anti device that floats of box for hollow superstructure of cast -in -place concrete |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |