CN205348766U - Superelevation slope concrete cylindrical construction formwork - Google Patents
Superelevation slope concrete cylindrical construction formwork Download PDFInfo
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- CN205348766U CN205348766U CN201520913285.8U CN201520913285U CN205348766U CN 205348766 U CN205348766 U CN 205348766U CN 201520913285 U CN201520913285 U CN 201520913285U CN 205348766 U CN205348766 U CN 205348766U
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Abstract
The utility model discloses a superelevation slope concrete cylindrical construction formwork, superelevation slope concrete cylindrical construction formwork, it includes: the cylinder template, the cylinder template includes a plurality of ARC structure's template piece, well word hoop, well word hoop is fixed in cylinder template periphery, full hall scaffold, full hall scaffold props up to be established on the bottom surface of building, independent support frame, independent support frame supports the side in the cylinder template. The utility model discloses cylinder template assembly when the plank sheathing has characteristics, construction such as cutting with low costs, easy, turnover number of times height, do not take construction machinery, can assemble the operation by 2~3 people.
Description
Technical field
This utility model belongs to technical field of building construction, particularly relates to a kind of superelevation and tilts the construction formwork of concrete cylindrical.
Background technology
Along with the development in epoch, the progress of society, the requirement of building is not limited solely in utilitarian function by people, more increase the pursuit to artistic value, cause and occur in that increasing special-shaped building structure, the use of special-shaped component is also got more and more simultaneously, batter post one of them.
Owing to batter post gradient is relatively big, the construction of oblique circular cylinder is engineering construction Major Difficulties.Oblique cylinder is difficult to support and concreting.Concreting is the most important thing of oblique circular cylinder construction, special formed due to batter post causes concrete construction to have following difficult point: oblique circular cylinder reinforcing bar is closeer, this engineering oblique circular cylinder arrangement of reinforcement is generally 28C32, C10100(7x7), it is of an inclined plane in oblique circular cylinder bottom surface, concrete is in downward course of conveying, and the mortar in mixture is easily tangled by stirrup, causes oblique circular cylinder lower concrete to lack mortar.Part oblique circular cylinder gradient is relatively big, and reinforcing bar is closeer, and vibrating spear is difficult to be delivered to bottom oblique circular cylinder, and in lifting process, vibrating spear is easily blocked by stirrup.Oblique circular cylinder vibrates in process, and the bubble produced in concrete is not easily discharged, and can accumulate under end face template, cause end face concrete comb, pitted skin, affect concrete perception.
Summary of the invention
The purpose of this utility model is to provide a kind of superelevation and tilts the construction formwork of concrete cylindrical.
The technical scheme that this utility model solves above-mentioned technical problem is as follows: a kind of superelevation tilts the construction formwork of concrete cylindrical, comprising:
Column-form, described column-form includes the template sheet of multiple globoidal structure；
Well word hoop, described well word hoop is fixed on column-form periphery；
Full hall scaffold, described full hall scaffold props up on the bottom surface being located at building；
Independent bracing frame, described independent bracing frame is supported on the side of column-form.
This utility model superelevation as above tilts the construction formwork of concrete cylindrical, and further, described independent bracing frame includes vertical rod and horizon bar；The quantity of described vertical rod is two, and interval is arranged each other；One end of vertical rod is connected with well word hoop；Horizon bar has many, and each horizon bar is connected with two vertical rods respectively；And horizon bar is connected with the full hall scaffold closed on, well word hoop to be become firm support.
This utility model superelevation as above tilts the construction formwork of concrete cylindrical, and further, described template sheet is wooden template sheet.
This utility model superelevation as above tilts the construction formwork of concrete cylindrical, and further, described column-form also includes flitch layer and outer hoop；Described flitch layer includes some multiple flitches being sequentially arranged in outside described template sheet, described outer hoop is by the locating ring of the side being parallel to described cylinder and is perpendicular to described locating ring and is positioned at the connecting plate outside described locating ring and constitutes, the locating ring of described outer hoop offers several fixing holes, described fixing hole is corresponding with described flitch, and each described flitch is fixed on described outer hoop each through the screw matched with described screw.
This utility model plank sheathing have cost cutting low, easy, number of turnover high, construction time column-form assembly, be not take up construction machinery, 2～3 people get final product assembly operation.The length of template is determined according to in-depth drawing, each oblique circular cylinder is carried out facade in-depth, just can determine that the template length needed for the every each layer of pillar.Slope in conjunction with pillar is high layer by layer with every, it is determined that often save the length of assembled formwork, to reduce template loss.
Accompanying drawing explanation
The superelevation that Fig. 1 is a kind of embodiment of this utility model tilts concrete circular column construction method schematic flow sheet；
Fig. 2 is the oblique circular cylinder shuttering supporting schematic diagram of a kind of embodiment of this utility model；
Fig. 3 is the oblique circular cylinder location schematic diagram of a kind of embodiment of this utility model；
Fig. 4 is the oblique circular cylinder template schematic diagram of a kind of embodiment of this utility model；
Fig. 5 is the locating ring schematic diagram of a kind of embodiment of this utility model.
In accompanying drawing, the list of parts representated by each label is as follows:
1, full hall frame；
2, vertical rod；
3, horizon bar；
4, oblique circular cylinder template；41, template sheet；42, flitch；43, outer hoop；431, locating ring, 432, connecting plate, 433, fixing hole；434, connecting hole, 435, bolt；
5, well word hoop；
6, concrete cylindrical is tilted.
Detailed description of the invention
Hereinafter, describe superelevation of the present utility model with reference to the accompanying drawings and tilt the embodiment of concrete circular column construction method.
Embodiment in this record is specific detailed description of the invention of the present utility model, is used for design of the present utility model is described, is all explanatory and exemplary, should not be construed as the restriction to this utility model embodiment and this utility model scope.Except except the embodiment of this record, those skilled in the art can also adopt other technical scheme apparent based on the application claims and description disclosure of that, and these technical schemes include adopting the technical scheme making any apparent substitutions and modifications to the embodiment in this record.
As shown in Figure 2-5, for a kind of embodiment of this utility model superelevation tilt concrete cylindrical construction formwork, comprising:
Column-form 4, described column-form includes the template sheet 41 of multiple globoidal structure；Column-form 4 is used for tilting building of concrete cylindrical；In a more preferred embodiment, described template sheet is wooden template sheet.
Well word hoop 5, described well word hoop is fixed on column-form periphery；
Full hall scaffold 1, described full hall scaffold props up on the bottom surface being located at building；
Independent bracing frame, described independent bracing frame is supported on the side of column-form.As it is shown on figure 3, described independent bracing frame includes vertical rod 2 and horizon bar 3；The quantity of described vertical rod is two, and interval is arranged each other；One end of vertical rod is connected with well word hoop；Horizon bar have many with, each horizon bar is connected with two vertical rods respectively；And horizon bar is connected with the full hall scaffold closed on, well word hoop to be become firm support.
Tilting in the construction formwork of concrete cylindrical in the superelevation of above-described embodiment, as shown in Figure 4 and Figure 5, described column-form also includes flitch layer 42 and outer hoop 43；Described flitch layer includes some multiple flitches being sequentially arranged in outside described template sheet, described outer hoop 43 is by the locating ring 431 of the side being parallel to described cylinder and is perpendicular to described locating ring 431 and is positioned at the connecting plate 432 outside described locating ring and constitutes, the locating ring 431 of described outer hoop offers several fixing holes 433, described fixing hole 433 is corresponding with described flitch, and each described flitch is fixed on described outer hoop each through the screw matched with described screw.Fig. 5 also show the connecting hole on connecting plate 432；Owing to outer hoop is made up of the semicircle locating ring of two specular, during locating ring docking, corresponding connecting plate is close together, and is realized the connection of locating ring through connecting hole by bolt.
Owing to every oblique circular cylinder slope of same layer is all inconsistent, and same position oblique circular cylinder exists inconsistent in levels position length, therefore is both needed to individually configure for every oblique circular cylinder template.Certain engineering oblique circular cylinder totally 80, oblique circular cylinder template amount is bigger, it is considered to this construction quality standard-required is higher, and oblique circular cylinder difficulty of construction is relatively big, and therefore column-form preferably employs sizing plank sheathing finished product reinforcing mode.
Plank sheathing have cost cutting low, easy, number of turnover high, construction time column-form assembly, be not take up construction machinery, 2～3 people get final product assembly operation.The length of template is determined according to in-depth drawing, each oblique circular cylinder is carried out facade in-depth, just can determine that the template length needed for the every each layer of pillar.Slope in conjunction with pillar is high layer by layer with every, it is determined that often save the length of assembled formwork, to reduce template loss.
As it is shown in figure 1, tilt the schematic flow sheet of the construction method of concrete cylindrical for superelevation, comprise the following steps:
1, the selection of template and configuration, this engineering uses the construction formwork of above-described embodiment to carry out, it is possible to obtain beneficial effect.
Owing to the slope of every oblique circular cylinder of same layer is all inconsistent, and every oblique circular cylinder exists inconsistent in the length of different floors, therefore is both needed to individually configure for every oblique circular cylinder template.Such as, certain engineering oblique circular cylinder totally 80, oblique circular cylinder template amount is bigger, it is considered to this construction quality standard-required is higher, and oblique circular cylinder difficulty of construction is relatively big, therefore adopts sizing plank sheathing finished product reinforcing mode.
Plank sheathing have cost cutting low, easy, number of turnover high, construction time two semicircular template assembly, be not take up construction machinery, 2-3 people get final product assembly operation.The length of template is determined according to in-depth drawing, each oblique circular cylinder is carried out facade in-depth, just can determine that the every pillar length at each floor, determine, in the length of each floor, the length often saving assembled formwork according to every pillar, to reduce template loss.
Additionally, this template has the following characteristics that first, template patterning process and band outer hoop, it is not necessary to additionally increase seal approach, it may be achieved build without spillage, it is ensured that perception effect.Second, it is convenient that peace is torn open, builds for ultra-high concrete post and can build high flexible Control architecture setting height(from bottom) according to segmentation when needing segmentation to build and be beneficial to concrete vibrating.
2, reinforcement construction
Having certain operation to join with template in oblique circular cylinder reinforcing bar binding process, for ensureing batter post colligation quality, reinforcement construction is undertaken by following operation order.
First half circle template is installed, then the angle of inclination data provided according to in-depth drawing, adjust the position of the following reinforcing bar of oblique circular cylinder joint, tie up the oblique circular cylinder stirrup of below oblique circular cylinder joint, subsequently by main for oblique circular cylinder muscle to oblique circular cylinder bed die opposite direction pull-up, in order to carpenter props up oblique circular cylinder bed die, after a good oblique circular cylinder bed die, the construction above reinforcing bar of oblique circular cylinder joint and colligation oblique circular cylinder stirrup, second half circle template assembled after finishing the hidden inspection of batter post reinforcing bar.
The construction technology of batter post colligation stirrup: first should mark stirrup spacing line on a main muscle of oblique circular cylinder during colligation oblique circular cylinder stirrup, then about spacing 2000mm ties up a stirrup, formed after framework of steel reinforcement and with horizon rule, line to be guided to additionally on several main muscle of oblique circular cylinder again, draw stirrup spacing line again according to this line, control the flatness of stirrup colligation.Stirrup numbering and the variation pattern of batter post is noted during colligation column tie-bar, in order to avoid with mistake stirrup.
3, template is set up and is positioned
(1) falsework basis
Due to building week loop pillar, next layer that beam is relatively corresponding extends laterally, and building border is high-supported formwork, for ensureing scaffold building, building week collar tie beam cavity need to be supplemented floor and concrete floor of encorbelmenting outside all collar tie beams outside is encorbelmented benefit plate as full hall scaffold basis, shrouding scope is set as the local location of flood floor or floor according to construction actual requirement, benefit of encorbelmenting plate length extends out 120-160cm again by relevant position maximum inclination floor projection length, set up operating surface and erection scope of operation requirement meeting full hall scaffold, cantilevered plate distribution meets " outer incline structural feet hand cradle erection construction technology ".
(2) supporting way: oblique circular cylinder template adopts 18mm thickness customizing round column template, building structure edge all it is positioned at due to cylinder, adopt additional independent support on full hall scaffold basis, for preventing oblique circular cylinder from damaging, before upper load has loaded and stablized, (before namely whole oblique circular cylinder has been constructed and reached intensity), independent support can not premature removal.Owing to each oblique circular cylinder slope is different, therefore oblique circular cylinder template and independent support are all left out turnover.
(3) oblique circular cylinder location: only give the size at oblique circular cylinder center, each floor face on construction drawing, but this size cannot unwrapping wire location in practice of construction.Adopt traditional vertical collimation method cannot ensure registration.In order to solve this problem, adopt beam bottom mother plate positioning mode.During construction, first determine oblique circular cylinder suspension column position according to plane construction drawing, reinforcing bar is adjusted the angle of inclination in in-depth figure.While setting up batter post support, set up the full hall frame of frame beam plate, according to the size in in-depth figure, lay and the beam bottom mother plate of oblique circular cylinder incline direction handing-over, fix the position of taper pile shuttering according to beam bottom mother plate, then reinforce.
When building, concreting is to beyond beam bottom board 50mm, carrying out size and check, be adjusted devious before concrete initial set.Two column joints and contignation are built simultaneously, and joint positions according to the size of structure construction plane graph, it is ensured that joint is straight with bottom batter post.
4, concreting
(1) concreting outfit is selected according to engineering characteristic
Such as, certain engineering adopts ready mixed concrete, and on-the-spot conventional machinery is equipped with concrete V-arrangement funnel, poker vibrator (70,50,30 vibrating spear), point spade, grafter, darby, wooden float etc..
(2) concrete conveyance
Oblique circular cylinder concrete preferentially adopts concrete automobile pump to build, automotive pump build less than place adopt tower crane transport build；Do not adopt the mode of erection pump line, in order to avoid don't batter post bracing frame be impacted pipe vibrations as far as possible.
Concrete cloth arranges and should be noted:
Apparatus for distributing must not collide construction scaffolding, oblique circular cylinder template or directly rest in template；When building concrete, it should be noted that protection reinforcing bar, once framework of steel reinforcement deforms or displacement, should stop in time building and correcting；Boom can not be used as crane arm and use, and the dry job area of cloth should keep certain distance with scaffold and other temporary facilities of building site；Boom must fold after properly, and pump truck could exercise and shift, and the rubber hose length that boom head end hangs must not exceed regulation requirement；During pump truck driver operation, it is necessary to focus on, careful operation, forbid operate against regulations and arrogate to oneself position of leaving the post.
(3) concreting
After before oblique circular cylinder matched moulds, unit in charge of construction's self-inspection is qualified, report management carries out an acceptance inspection, after qualified by inspection can matched moulds, with water, frame column root is rinsed well before shuttering, then shuttering correction is reinforced second-order correction and is inspected for acceptance casting concrete.Stone mortar is subtracted the identical with concrete mix of the appropriate thickness of bottom elder generation place mat (5-15cm), it is prevented that rotten before oblique circular cylinder concreting.Oblique circular cylinder concreting in lifts, the thickness of every layer concrete is 500mm, uses scale bar and high energy torch illumination observation control hierarchy thickness and situation of vibrating, and transmits information with transmitter receiver and controls concreting amount.Vibrating spear must not touch reinforcing bar, and vibrating spear insertion point wants uniformly, to accomplish uniform jolt ramming, it is prevented that shake more or leak and shake.
Owing to oblique circular cylinder is higher at the post height of every floor, a flexible pipe should be connect during more than 2m on cloth tube, reach in template, it is ensured that concrete freely falling body height is less than 2m.Flexible pipe is made to move back and forth template is suitable for reading during blanking, so as to uniformly blanking, it is prevented that pulp separates.
Oblique circular cylinder concrete one-time-concreting is built to stopping during lower than template mouth 30cm place, after form removal, picks and chisels out laitance and concrete weak floor, so as to till exposing stone, cold seam is retained in post mouth to build next time.
The process of casting concrete should be sent special messenger nurse template, it has been found that template has when deformation, displacement to stop immediately building, and repairs intact before the concrete final set built, and is further continued for building.Must ensure when vibrating that concrete fills up to tamp.Should often observe when the position that built-in fitting and reinforcing bar are too close is built, carefully vibrate, it has been found that uncompacted should teeming in time.For avoiding occurring cold seam in concreting process, the concreting intermittent time must control within the concrete presetting period.Concrete tamping adopts immersion vibrator, and its moving interval is not more than 1.5 times of operating radius.
The concrete main points of vibrating in each position: concrete discharging layering carry out, vibrate upper strata time insert lower-layer concrete 50mm intersect vibrate, it is ensured that without sealing coat after concrete vibrating.Concrete adopts internal vibration handful to vibrate, and should insert soon and pull out slowly when handful of vibrating is vibrated；Vibrating spear is perpendicular to surface when inserting, and forbids oblique cutting, it is prevented that vibrating spear, through the opposite side of reinforcing bar, can not pull out vibrating spear.
Concrete offer must be as the criterion with cast-in-place concrete amount and speed of perfusion, it is ensured that concrete construction is uninterrupted, must start to build layer concrete before lower-layer concrete initial set, so as to occur without the cold seam of construction.
(4) concrete maintenance
Membrane curing: adopt membrane curing waterproof, air-locked.With thin film, part open for concrete surface is all covered closely, it is ensured that concrete obtains the maintenance of abundance when not dehydration, keep there is condensation water in thin film cloth.
(5) concrete pouring construction difficult point
Concreting is the most important thing of oblique circular cylinder construction, and special formed due to batter post causes concrete construction to have following difficult point:
A, oblique circular cylinder reinforcing bar are closeer, and this engineering oblique circular cylinder arrangement of reinforcement is generally 28C32, C10100(7x7), it is of an inclined plane in oblique circular cylinder bottom surface, concrete is in downward course of conveying, and the mortar in mixture is easily tangled by stirrup, causes oblique circular cylinder lower concrete to lack mortar.
B, part oblique circular cylinder gradient are relatively big, and reinforcing bar is closeer, and vibrating spear is difficult to be delivered to bottom oblique circular cylinder, and in lifting process, vibrating spear is easily blocked by stirrup.
C, oblique circular cylinder vibrate in process, and the bubble produced in concrete is not easily discharged, and can accumulate under end face template, cause end face concrete comb, pitted skin, affect concrete perception.
2) for above difficult point, following measures is taked:
A, the strict slump controlling concrete mix and divergence 200-220mm, otherwise must not use.Adopting placement layer by layer, the every layer height of strict control is not more than 500mm.
B, 70 vibrating spears that selection operating radius is bigger, first water one layer of 50mm thickness with post concrete grade cement mortar at post root before casting concrete, then vibrating spear and sebific duct first inserted in batter post, and with casting concrete with promoting vibrating spear and sebific duct, every batter post vibrates once.
C, open pore in oblique circular cylinder end face template.When building oblique circular cylinder concrete, if special messenger gently shakes template at end face template rubber hammer, observe the bubble of air channel simultaneously, make bubble discharge from air channel as far as possible.
By the selection of scheme, in strict accordance with existing plan organizing construction in work progress, strengthen process monitoring and reached set target.Oblique circular cylinder registration, template and support fixation, finished product meets designing requirement, and deviation controls in regulating scope, and one-off construction puts in place；By the scheduling of production of computer Simulation calculation and on-the-spot rational and orderly, and disposable by checking and accepting, have accumulated experience.
Each technical characteristic of above-mentioned disclosure is not limited to that disclosed with further feature combination, and those skilled in the art also can carry out other combination between each technical characteristic according to the purpose of invention, and the purpose to realize this utility model is as the criterion.
Claims (4)
1. the construction formwork of a superelevation inclination concrete cylindrical, it is characterised in that including:
Column-form, described column-form includes the template sheet of multiple globoidal structure；
Well word hoop, described well word hoop is fixed on column-form periphery；
Full hall scaffold, described full hall scaffold props up on the bottom surface being located at building；
Independent bracing frame, described independent bracing frame is supported on the side of column-form.
2. superelevation according to claim 1 tilts the construction formwork of concrete cylindrical, it is characterised in that described independent bracing frame includes vertical rod and horizon bar；The quantity of described vertical rod is two, and interval is arranged each other；One end of vertical rod is connected with well word hoop；Horizon bar has many, and each horizon bar is connected with two vertical rods respectively；And horizon bar is connected with the full hall scaffold closed on, well word hoop to be become firm support.
3. superelevation according to claim 1 tilts the construction formwork of concrete cylindrical, it is characterised in that described template sheet is wooden template sheet.
4. the superelevation according to any one of claim 1-3 tilts the construction formwork of concrete cylindrical, it is characterised in that described column-form also includes flitch layer and outer hoop；
Described flitch layer includes some multiple flitches being sequentially arranged in outside described template sheet, described outer hoop is by the locating ring of the side being parallel to described cylinder and is perpendicular to described locating ring and is positioned at the connecting plate outside described locating ring and constitutes, the locating ring of described outer hoop offers several fixing holes, described fixing hole is corresponding with described flitch, and each described flitch is fixed on described outer hoop each through the screw matched with described screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520913285.8U CN205348766U (en) | 2015-11-17 | 2015-11-17 | Superelevation slope concrete cylindrical construction formwork |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520913285.8U CN205348766U (en) | 2015-11-17 | 2015-11-17 | Superelevation slope concrete cylindrical construction formwork |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205348766U true CN205348766U (en) | 2016-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520913285.8U Expired - Fee Related CN205348766U (en) | 2015-11-17 | 2015-11-17 | Superelevation slope concrete cylindrical construction formwork |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205348766U (en) |
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2015
- 2015-11-17 CN CN201520913285.8U patent/CN205348766U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160629 Termination date: 20211117 |