CN105239725A - Construction method and construction template for ultrahigh oblique concrete column - Google Patents
Construction method and construction template for ultrahigh oblique concrete column Download PDFInfo
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- CN105239725A CN105239725A CN201510787145.5A CN201510787145A CN105239725A CN 105239725 A CN105239725 A CN 105239725A CN 201510787145 A CN201510787145 A CN 201510787145A CN 105239725 A CN105239725 A CN 105239725A
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Abstract
The invention discloses a construction method and a construction template for an ultrahigh oblique concrete column. The construction method comprises the following steps: step 1, template selecting and configuring; step 2, rebar construction; step 3, template erecting and oblique column positioning; step 4, concrete pouring, wherein the oblique column concrete is poured by preferentially adopting a concrete auto pump, and tower crane transporting pouring is adopted for a place which cannot be poured by the auto pump; step 5, maintenance for the poured concrete. The construction template comprises a column template, an octothorpe hoop, an all-around scaffold and an independent support frame, wherein the column template comprises multiple template pieces with cambered structure; the octothorpe hoop is fixed at the periphery of the column template; and the all-around scaffold is supported on the bottom surface of a building, and the independent support frame is supported on the side face of the column template. The construction method and the construction template have the beneficial effects that through optimized selection of the template, a creative positioning method and a strictly-controlled pouring and vibrating operation process, the formed oblique column has a smooth surface, and the appearance quality is greatly improved.
Description
Technical field
The invention belongs to construction techniques technical field, particularly relate to a kind of construction method of superelevation inclination concrete cylindrical, and carry out said method construction formwork used.
Background technology
Along with the development in epoch, the progress of society, the requirement of people to building is not only confined in utility function, more increase the pursuit to artistic value, cause and occurred increasing special-shaped building structure, the use of special-shaped component is also got more and more simultaneously, batter post one of them.
Because batter post gradient is comparatively large, 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, because the special formed of 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), be 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 comparatively large, 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 under accumulating in end face template, causes end face concrete comb, pitted skin, affects concrete perception.
Summary of the invention
The object of this invention is to provide a kind of construction method and construction formwork of superelevation inclination concrete cylindrical.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of construction method of superelevation inclination concrete cylindrical, comprises the following steps:
Step 1, the selection and arrangement of template; Adopt sizing wooden form finished product reinforcing mode;
Step 2, reinforcement construction; First half circle template is installed, then according to the angle of inclination data that deepen drawing provides, 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 the pull-up in the other direction of oblique circular cylinder bed die so that 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;
Step 3, template is set up and oblique circular cylinder location; Floor is supplemented to building all collar tie beam cavity and concrete floor of encorbelmenting outside all collar tie beams outside to be encorbelmented benefit plate as full hall scaffold basis; Set up full hall scaffold encorbelmenting to mend on plate, oblique circular cylinder template is fixed in full hall scaffold and independent support; Oblique circular cylinder is located, and first according to plane working drawing determination oblique circular cylinder suspension column position, reinforcing bar is adjusted to 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 the beam bottom mother plate joined with oblique circular cylinder incline direction, fix the position of taper pile shuttering according to beam bottom mother plate, then reinforce;
Step 4, concreting; Oblique circular cylinder concrete preferentially adopts concrete automobile pump to build, automotive pump build less than place adopt tower crane transport build;
Before oblique circular cylinder concreting, in bottom, first the identical with concrete mix of place mat 5-15cm subtracts stone mortar, prevents rotten; 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 controls concreting amount with Walkie talkie transmission of information; Vibrating spear must not touch reinforcing bar, and vibrating spear insertion point is wanted evenly, and accomplish even jolt ramming, more preventing shakes or leak shakes;
Step 5, carries out maintenance to the concrete of building.
The construction method of the present invention's superelevation inclination as above concrete cylindrical, further, in step 1, the length of template is determined according to deepen drawing, facade in-depth is carried out to each root oblique circular cylinder, just can determine the length of every root pillar at each floor, determine in the length of each floor the length often saving assembled formwork according to every root pillar.
The construction method of the present invention's superelevation inclination as above concrete cylindrical, further, in step 2, 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, to be formed after cage of reinforcement and with spirit level, line is guided in addition on several main muscle of oblique circular cylinder again, draw stirrup spacing line again according to this line, the planeness of control stirrup colligation; The variation pattern of stirrup numbering and batter post is noted, in order to avoid use wrong stirrup during colligation column tie-bar.
The construction method of the present invention's superelevation inclination as above concrete cylindrical, further, in step 4, because oblique circular cylinder is higher at the post height of every floor, a flexible pipe should be connect on cloth tube more than during 2m, reach in template, ensure that concrete freely falling body height is no more than 2m; Make flexible pipe move back and forth template is suitable for reading during blanking, make it even blanking, prevent pulp to be separated.
The construction method of the present invention's superelevation inclination as above concrete cylindrical, further, in step 4, special messenger should be sent in the process of concreting to nurse template, find that template has when distortion, displacement to stop immediately building, and repair intact before the concrete final set of having built, then continue to build; Must ensure when vibrating that concrete fills up to tamp; Often should observe when built-in fitting and the too close position of reinforcing bar are built, carefully vibrate, find uncompacted should teeming in time; For avoiding occurring cold seam in concreting process, the concreting intermittent time must control within the concrete initial setting time; Concrete tamping adopts immersion vibrator, and its moving interval is not more than 1.5 times of operating radius.
The construction method of the present invention's superelevation inclination as above concrete cylindrical, further, in step 4, the strict slump and the divergence 200-220mm controlling concrete mix, otherwise must not use; Adopt placement layer by layer, the every layer height of strict control is not more than 500mm.
The construction method of the present invention's superelevation inclination as above concrete cylindrical, further, in step 4,70 vibrating spears selecting operating radius larger, first the thick same post concrete grade cement mortar of one deck 50mm is watered at post root before concreting, then vibrating spear and sebific duct are first inserted in batter post, with concreting with lifting vibrating spear and sebific duct, every root batter post vibrates once.
The construction method of the present invention's superelevation inclination as above concrete cylindrical, further, in step 4, opens pore in oblique circular cylinder end face template; When building oblique circular cylinder concrete, if special messenger gently to shake template at end face template rubber hammer, observing the bubble of air channel simultaneously, making bubble discharge from air channel as far as possible.
The construction method of the present invention's superelevation inclination as above concrete cylindrical, further, in step 5, described maintenance is membrance curing, adopts waterproof, air-locked membrance curing; With film, the open part in concrete surface is all covered closely, ensure that concrete obtains sufficient maintenance when not dehydration, keep there is condensate water in film cloth.
The second object of the present invention is to provide a kind of construction formwork of superelevation inclination concrete cylindrical, and it comprises:
Column-form, described column-form comprises 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 and is located on the bottom surface of building;
Independent support frame, described independent support frame is connected with described well word hoop.
The invention has the beneficial effects as follows: by the optimum choice of template, innovation localization method and strict control build operating process of vibrating, the oblique circular cylinder smooth surface after shaping, smooth-going, significantly improve impression quality.
Accompanying drawing explanation
Fig. 1 is the superelevation inclination concrete circular column construction method schematic flow sheet of an embodiment of the present invention;
Fig. 2 is the oblique circular cylinder shuttering supporting schematic diagram of an embodiment of the present invention;
Fig. 3 is the oblique circular cylinder location schematic diagram of an embodiment of the present invention;
Fig. 4 is the oblique circular cylinder template schematic diagram of an embodiment of the present invention;
Fig. 5 is locating ring and the junction plate schematic diagram of an embodiment of the present invention.
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, junction plate, 433, fixing hole; 434, connecting hole, 435, bolt;
5, well word hoop;
6, inclination concrete cylindrical.
Detailed description of the invention
Hereinafter, the embodiment of superelevation inclination concrete circular column construction method of the present invention is described with reference to the accompanying drawings.
The embodiment recorded at this is specific detailed description of the invention of the present invention, for illustration of design of the present invention, is all explanatory and exemplary, should not be construed as the restriction to embodiment of the present invention and the scope of the invention.Except the embodiment recorded at this, those skilled in the art can also adopt other technical scheme apparent based on the content disclosed in the application's claims and manual, and these technical schemes comprise the technical scheme making any apparent substitutions and modifications adopted the embodiment recorded at this.
As shown in Figure 1, be the schematic flow sheet of the construction method of superelevation inclination concrete cylindrical, comprise the following steps:
1, the selection and arrangement of template
As shown in Figure 2-5, be the construction formwork of the superelevation inclination concrete cylindrical of an embodiment of the present invention, it comprises:
Column-form 4, described column-form comprises the template sheet 41 of multiple globoidal structure; Column-form 4 is built for the concrete cylindrical that tilts; 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 and is located on the bottom surface of building;
Independent support frame, described independent support frame is supported on the side of column-form.As shown in Figure 3, described independent support frame comprises 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 has follows more, and each root horizon bar is connected with two vertical rods respectively; And horizon bar is connected with the full hall scaffold closed on, to form firm support to well word hoop.
In the construction formwork of the superelevation inclination concrete cylindrical of above-described embodiment, described column-form also comprises flitch layer 42 and outer hoop 43; Described flitch layer comprises some multiple flitches be sequentially arranged in outside described template sheet, described outer hoop 43 by be parallel to described cylinder side locating ring 431 and perpendicular to described locating ring 431 and the junction plate 432 be positioned at outside described locating ring form, 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 all fixed on described outer hoop by the screw matched with described screw.The connecting hole on junction plate 432 is also show in Fig. 5; Because the semicircle locating ring of outer hoop by two specular is formed, during locating ring docking, corresponding junction plate is close together, and is realized the connection of locating ring by bolt through connecting hole.
Because every root oblique circular cylinder slope of same layer is all inconsistent, and same position oblique circular cylinder exists inconsistent in levels position length, therefore all needs to be configured separately for every root oblique circular cylinder template.Certain engineering oblique circular cylinder totally 80, oblique circular cylinder template amount is comparatively large, considers that this workmanship standard-required is higher, and oblique circular cylinder difficulty of construction is comparatively large, and therefore column-form preferably adopts sizing wooden form finished product reinforcing mode.
Wooden form have low, the easy cutting of cost, number of turnover high, construction time column-form is assembled, do not take construction machinery, get final product assembly operation by 2 ~ 3 people.The length of template is determined according to deepen drawing, carries out facade in-depth to each root oblique circular cylinder, just can determine the template length needed for the every one deck of every root pillar.In conjunction with the slope of pillar and every high layer by layer, determine the length often saving assembled formwork, to reduce template loss.
2, reinforcement construction
Have 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 operating sequence.
First half circle template is installed, then according to the angle of inclination data that deepen drawing provides, 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 the pull-up in the other direction of oblique circular cylinder bed die so that 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, to be formed after cage of reinforcement and with spirit level, line is guided in addition on several main muscle of oblique circular cylinder again, draw stirrup spacing line again according to this line, control the planeness of stirrup colligation.The variation pattern of stirrup numbering and batter post is noted, in order to avoid use wrong stirrup during colligation column tie-bar.
3, template is set up and is located
(1) falsework basis
Due to building week loop pillar, lower one deck that beam is relatively corresponding extends laterally, and to build border be high-supported formwork, for ensureing scaffold building, floor need be supplemented and concrete floor of encorbelmenting outside all collar tie beams outside to be encorbelmented benefit plate as full hall scaffold basis to building all collar tie beam cavity, 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 horizontal projection length, operating surface and the requirement of the erection scope of operation is set up to meet full hall scaffold, cantilevered plate distribution meets " outer incline structural feet hand cradle erection construction technology ".
(2) supporting way: oblique circular cylinder template adopts the thick customizing round column template of 18mm, because cylinder is all positioned at building structure edge, adopt additional independent support on full hall scaffold basis, for preventing oblique circular cylinder from damaging, before upper load has loaded and stablized, (i.e. whole oblique circular cylinder constructed and before reaching intensity) independent support can not premature removal.Because each oblique circular cylinder slope is different, therefore oblique circular cylinder template and independent support neither consider turnover.
(3) oblique circular cylinder location: size construction drawing only giving oblique circular cylinder center, each floor face, but this size cannot unwrapping wire location in practice of construction.Traditional vertical collimation method is adopted to ensure registration.In order to address this problem, adopt beam bottom mother plate positioning mode.During construction, first according to plane working drawing determination oblique circular cylinder suspension column position, reinforcing bar is adjusted to 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 the beam bottom mother plate joined with oblique circular cylinder incline direction, fix the position of taper pile shuttering according to beam bottom mother plate, then reinforce.
When building, concreting is to exceeding beam bottom board 50mm, carries out size and checks, adjust devious before concrete initial set.Two column joints and beam and slab structure are built simultaneously, and joint positions according to the size of structure construction plan view, ensure joint and bottom batter post straight.
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), sharp spade, grafter, darby, wood 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 pipe vibrations impact batter post bracing frame 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 be shelved in template; When building concrete, should note protecting reinforcing bar, once cage of reinforcement deforms or displacement, should stop in time building and correct; 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 temporory structuries of building site; Boom must fold 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, must focus one's attention on, careful operation, forbids operate against regulations and arrogate to oneself position of leaving the post.
(3) concreting
The qualified rear report management of oblique circular cylinder matched moulds front unit in charge of construction self-inspection carries out an acceptance inspection, can matched moulds after qualified by inspection, frame column root is rinsed well by the front water of shuttering, then shuttering---corrects and---reinforces that---second-order correction---is inspected for acceptance---concreting.Before oblique circular cylinder concreting, in bottom, first the identical with concrete mix of the appropriate thickness of place mat (5-15cm) subtracts stone mortar, prevents rotten.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 controls concreting amount with Walkie talkie transmission of information.Vibrating spear must not touch reinforcing bar, and vibrating spear insertion point is wanted evenly, and accomplish even jolt ramming, more preventing shakes or leak shakes.
Because oblique circular cylinder is higher at the post height of every floor, a flexible pipe should be connect on cloth tube more than during 2m, reach in template, ensure that concrete freely falling body height is no more than 2m.Make flexible pipe move back and forth template is suitable for reading during blanking, make it even blanking, prevent pulp to be separated.
Oblique circular cylinder concrete one-time-concreting is built to lower than stopping during template mouth 30cm place, after form removal, picks and chisels out laitance and concrete weak floor, till making it to expose stone, cold seam is retained in post mouth to build next time.
Special messenger should be sent in the process of concreting to nurse template, find that template has when distortion, displacement and stop immediately building, and repair intact before the concrete final set of having built, then continue to build.Must ensure when vibrating that concrete fills up to tamp.Often should observe when built-in fitting and the too close position of reinforcing bar are built, carefully vibrate, find uncompacted should teeming in time.For avoiding occurring cold seam in concreting process, the concreting intermittent time must control within the concrete initial setting time.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 is carried out, vibrate upper strata time insert lower-layer concrete 50mm and intersect and vibrate, guarantee after concrete vibrating without separation layer.Concrete adopts internal vibration handful to vibrate, and should insert soon and pull out slowly when handful of vibrating is vibrated; Perpendicular to surface when vibrating spear inserts, forbid oblique cutting, prevent vibrating spear through the opposite side of reinforcing bar, can not pull out vibrating spear.
Concrete providing must be as the criterion with cast-in-place concrete amount and speed of perfusion, ensures that concrete construction is uninterrupted, must start to build layer concrete, make it not occur cold seam of constructing before lower-layer concrete initial set.
(4) concrete maintenance
Membrance curing: adopt waterproof, air-locked membrance curing.With film, the open part in concrete surface is all covered closely, ensure that concrete obtains sufficient maintenance when not dehydration, keep there is condensate water in film cloth.
(5) concrete pouring construction difficult point
Concreting is the most important thing of oblique circular cylinder construction, because the special formed of 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), be 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 comparatively large, 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 under accumulating in 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 and the divergence 200-220mm controlling concrete mix, otherwise must not use.Adopt placement layer by layer, the every layer height of strict control is not more than 500mm.
B, 70 vibrating spears selecting operating radius larger, first the thick same post concrete grade cement mortar of one deck 50mm is watered at post root before concreting, then vibrating spear and sebific duct are first inserted in batter post, with concreting with lifting vibrating spear and sebific duct, every root batter post vibrates once.
C, open pore in oblique circular cylinder end face template.When building oblique circular cylinder concrete, if special messenger gently to shake template at end face template rubber hammer, observing the bubble of air channel simultaneously, making 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 reach set target.Oblique circular cylinder registration, formwork and formwork supports fixation, finished product meets designing requirement, and Deviation Control is in regulating scope, and one-off construction puts in place; By the scheduling of production of computer Simulation 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 combination that is further feature, other combination that those skilled in the art also can carry out between each technical characteristic according to the object of invention, is as the criterion with the object realizing the present invention.
Claims (10)
1. a construction method for superelevation inclination concrete cylindrical, comprises the following steps:
Step 1, the selection and arrangement of template; Adopt sizing wooden form finished product reinforcing mode;
Step 2, reinforcement construction; First half circle template is installed, then according to the angle of inclination data that deepen drawing provides, 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 the pull-up in the other direction of oblique circular cylinder bed die so that 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;
Step 3, template is set up and oblique circular cylinder location; Floor is supplemented to building all collar tie beam cavity and concrete floor of encorbelmenting outside all collar tie beams outside to be encorbelmented benefit plate as full hall scaffold basis; Set up full hall scaffold encorbelmenting to mend on plate, oblique circular cylinder template is fixed in full hall scaffold and independent support; Oblique circular cylinder is located, and first according to plane working drawing determination oblique circular cylinder suspension column position, reinforcing bar is adjusted to 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 the beam bottom mother plate joined with oblique circular cylinder incline direction, fix the position of taper pile shuttering according to beam bottom mother plate, then reinforce;
Step 4, concreting; Oblique circular cylinder concrete preferentially adopts concrete automobile pump to build, automotive pump build less than place adopt tower crane transport build;
Before oblique circular cylinder concreting, in bottom, first the identical with concrete mix of place mat 5-15cm subtracts stone mortar, prevents rotten; 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 controls concreting amount with Walkie talkie transmission of information; Vibrating spear must not touch reinforcing bar, and vibrating spear insertion point is wanted evenly, and accomplish even jolt ramming, more preventing shakes or leak shakes;
Step 5, carries out maintenance to the concrete of building.
2. the construction method of superelevation inclination concrete cylindrical according to claim 1, it is characterized in that, in step 1, the length of template is determined according to deepen drawing, facade in-depth is carried out to each root oblique circular cylinder, just can determine the length of every root pillar at each floor, determine in the length of each floor the length often saving assembled formwork according to every root pillar.
3. the construction method of superelevation inclination concrete cylindrical according to claim 1, it is characterized in that, in step 2, 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, to be formed after cage of reinforcement and with spirit level, line is guided in addition on several main muscle of oblique circular cylinder again, draw stirrup spacing line again according to this line, the planeness of control stirrup colligation; The variation pattern of stirrup numbering and batter post is noted, in order to avoid use wrong stirrup during colligation column tie-bar.
4. the construction method of superelevation inclination concrete cylindrical according to claim 1, is characterized in that, in step 4, because oblique circular cylinder is higher at the post height of every floor, a flexible pipe should be connect on cloth tube more than during 2m, reach in template, ensure that concrete freely falling body height is no more than 2m; Make flexible pipe move back and forth template is suitable for reading during blanking, make it even blanking, prevent pulp to be separated.
5. the construction method of superelevation inclination concrete cylindrical according to claim 1, it is characterized in that, in step 4, special messenger should be sent in the process of concreting to nurse template, find that template has when distortion, displacement to stop immediately building, and repair intact before the concrete final set of having built, then continue to build; Must ensure when vibrating that concrete fills up to tamp; Often should observe when built-in fitting and the too close position of reinforcing bar are built, carefully vibrate, find uncompacted should teeming in time; For avoiding occurring cold seam in concreting process, the concreting intermittent time must control within the concrete initial setting time; Concrete tamping adopts immersion vibrator, and its moving interval is not more than 1.5 times of operating radius.
6. the construction method of superelevation inclination concrete cylindrical according to claim 1, is characterized in that, in step 4, and the strict slump and the divergence 200-220mm controlling concrete mix, otherwise must not use; Adopt placement layer by layer, the every layer height of strict control is not more than 500mm.
7. the construction method of superelevation inclination concrete cylindrical according to claim 1, it is characterized in that, in step 4,70 vibrating spears selecting operating radius larger, first the thick same post concrete grade cement mortar of one deck 50mm is watered at post root before concreting, then vibrating spear and sebific duct are first inserted in batter post, with concreting with lifting vibrating spear and sebific duct, every root batter post vibrates once.
8. the construction method of superelevation inclination concrete cylindrical according to claim 1, is characterized in that, in step 4, opens pore in oblique circular cylinder end face template; When building oblique circular cylinder concrete, if special messenger gently to shake template at end face template rubber hammer, observing the bubble of air channel simultaneously, making bubble discharge from air channel as far as possible.
9. the construction method of superelevation inclination concrete cylindrical according to claim 1, is characterized in that, in step 5, described maintenance is membrance curing, adopts waterproof, air-locked membrance curing; With film, the open part in concrete surface is all covered closely, ensure that concrete obtains sufficient maintenance when not dehydration, keep there is condensate water in film cloth.
10. a construction formwork for superelevation inclination concrete cylindrical, is characterized in that, comprising:
Column-form, described column-form comprises 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 and is located on the bottom surface of building;
Independent support frame, described independent support frame is supported on the side of column-form.
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| CN110306791A (en) * | 2019-07-03 | 2019-10-08 | 南通八建集团有限公司 | Superelevation clear-water concrete independence cylinder construction method |
| CN112411882A (en) * | 2020-11-27 | 2021-02-26 | 上海宝冶集团有限公司 | Method for building ultrahigh and oversized space inclined cylindrical column |
| CN112609986A (en) * | 2020-12-11 | 2021-04-06 | 上海宝冶集团有限公司 | Method for controlling pouring forming quality of concrete batter post |
| CN112663949A (en) * | 2020-12-27 | 2021-04-16 | 广东正升建筑有限公司 | Cast-in-place reinforced concrete oblique cylinder construction mold and method |
| CN112681610A (en) * | 2020-12-24 | 2021-04-20 | 上海建工二建集团有限公司 | Construction method of special-shaped concrete column |
| CN114263349A (en) * | 2021-12-27 | 2022-04-01 | 中建八局第三建设有限公司 | Construction method of wall-attached-free combined scaffold |
| CN115182576A (en) * | 2022-07-21 | 2022-10-14 | 浙江宏坤建设集团有限公司 | Concrete inclined column formwork structure and construction method thereof |
| CN115788024A (en) * | 2022-11-23 | 2023-03-14 | 中国建筑第四工程局有限公司 | Inclined cylinder high formwork construction process |
| CN117166811A (en) * | 2023-11-03 | 2023-12-05 | 北京市第三建筑工程有限公司 | Support method for replacing horizontal drawknot of ultra-high layer external protection system and ultra-long diagonal bracing system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1510225A (en) * | 2002-12-23 | 2004-07-07 | 中国建筑第八工程局中南公司 | Method for constructing Y shape pillar and suspended declined beam |
| CN101492964A (en) * | 2009-02-26 | 2009-07-29 | 天津第四市政建筑工程有限公司 | Mass concrete construction method |
| CN101566007A (en) * | 2008-04-21 | 2009-10-28 | 株式会社村上工务店 | Column form unit, transversal fastening frame for column form unit and construction method for cast-in-situ reinforced concrete column |
| CN101761232A (en) * | 2010-01-15 | 2010-06-30 | 上海市浦东新区建设市场管理署 | Construction technology of large-scale fair-faced concrete cylindrical structural part with paper tube template |
| CN101864825A (en) * | 2010-06-30 | 2010-10-20 | 广东省基础工程公司 | Reinforced concrete prefabricated column positioning device and construction method thereof |
| CN102383411A (en) * | 2011-08-23 | 2012-03-21 | 中国葛洲坝集团股份有限公司 | Device and method for positioning template corner |
| CN102561680A (en) * | 2011-12-12 | 2012-07-11 | 中国建筑第二工程局有限公司 | Cast-in-place concrete external diagonal column mold plate system and construction method |
| CN103132692A (en) * | 2013-03-12 | 2013-06-05 | 山东天齐置业集团股份有限公司 | Inner inclined cylindrical form erecting device and form erecting method |
-
2015
- 2015-11-17 CN CN201510787145.5A patent/CN105239725A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1510225A (en) * | 2002-12-23 | 2004-07-07 | 中国建筑第八工程局中南公司 | Method for constructing Y shape pillar and suspended declined beam |
| CN101566007A (en) * | 2008-04-21 | 2009-10-28 | 株式会社村上工务店 | Column form unit, transversal fastening frame for column form unit and construction method for cast-in-situ reinforced concrete column |
| CN101492964A (en) * | 2009-02-26 | 2009-07-29 | 天津第四市政建筑工程有限公司 | Mass concrete construction method |
| CN101761232A (en) * | 2010-01-15 | 2010-06-30 | 上海市浦东新区建设市场管理署 | Construction technology of large-scale fair-faced concrete cylindrical structural part with paper tube template |
| CN101864825A (en) * | 2010-06-30 | 2010-10-20 | 广东省基础工程公司 | Reinforced concrete prefabricated column positioning device and construction method thereof |
| CN102383411A (en) * | 2011-08-23 | 2012-03-21 | 中国葛洲坝集团股份有限公司 | Device and method for positioning template corner |
| CN102561680A (en) * | 2011-12-12 | 2012-07-11 | 中国建筑第二工程局有限公司 | Cast-in-place concrete external diagonal column mold plate system and construction method |
| CN103132692A (en) * | 2013-03-12 | 2013-06-05 | 山东天齐置业集团股份有限公司 | Inner inclined cylindrical form erecting device and form erecting method |
Non-Patent Citations (1)
| Title |
|---|
| 张旭林: "内倾式现浇混凝土斜圆柱的施工技术", 《建筑施工》 * |
Cited By (20)
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| CN106088478A (en) * | 2016-08-23 | 2016-11-09 | 中建八局第二建设有限公司 | Tilt strength steel concrete cylinder construction method |
| CN107386115A (en) * | 2017-07-17 | 2017-11-24 | 中交路桥华南工程有限公司 | Tilting pier shaft casting method |
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| CN107966384A (en) * | 2017-11-22 | 2018-04-27 | 洛阳理工学院 | A kind of cement paste is die-filling, forming method |
| CN108240070A (en) * | 2017-12-12 | 2018-07-03 | 广东省建筑工程机械施工有限公司 | A kind of casting method of tall and big batter post |
| CN108240070B (en) * | 2017-12-12 | 2020-04-28 | 广东省建筑工程机械施工有限公司 | Pouring method of tall and big batter post |
| CN107989365A (en) * | 2018-01-08 | 2018-05-04 | 北京城建十建设工程有限公司 | Clear water hollow concrete column-form system and its construction method |
| CN109457957A (en) * | 2018-11-19 | 2019-03-12 | 上海建工五建集团有限公司 | A kind of tilted cylindrical envelope three-dimensional irregularly beam, Column border node template and installation method |
| CN110206315A (en) * | 2019-05-31 | 2019-09-06 | 五冶集团上海有限公司 | A kind of high-supported formwork frame column concrete pouring construction method |
| CN110306791A (en) * | 2019-07-03 | 2019-10-08 | 南通八建集团有限公司 | Superelevation clear-water concrete independence cylinder construction method |
| CN112411882A (en) * | 2020-11-27 | 2021-02-26 | 上海宝冶集团有限公司 | Method for building ultrahigh and oversized space inclined cylindrical column |
| CN112609986A (en) * | 2020-12-11 | 2021-04-06 | 上海宝冶集团有限公司 | Method for controlling pouring forming quality of concrete batter post |
| CN112681610A (en) * | 2020-12-24 | 2021-04-20 | 上海建工二建集团有限公司 | Construction method of special-shaped concrete column |
| CN112663949A (en) * | 2020-12-27 | 2021-04-16 | 广东正升建筑有限公司 | Cast-in-place reinforced concrete oblique cylinder construction mold and method |
| CN114263349A (en) * | 2021-12-27 | 2022-04-01 | 中建八局第三建设有限公司 | Construction method of wall-attached-free combined scaffold |
| CN115182576A (en) * | 2022-07-21 | 2022-10-14 | 浙江宏坤建设集团有限公司 | Concrete inclined column formwork structure and construction method thereof |
| CN115182576B (en) * | 2022-07-21 | 2023-10-10 | 浙江宏坤建设集团有限公司 | Concrete diagonal column formwork structure and construction method thereof |
| CN115788024A (en) * | 2022-11-23 | 2023-03-14 | 中国建筑第四工程局有限公司 | Inclined cylinder high formwork construction process |
| CN117166811A (en) * | 2023-11-03 | 2023-12-05 | 北京市第三建筑工程有限公司 | Support method for replacing horizontal drawknot of ultra-high layer external protection system and ultra-long diagonal bracing system |
| CN117166811B (en) * | 2023-11-03 | 2024-04-12 | 北京市第三建筑工程有限公司 | Support method for replacing horizontal drawknot of ultra-high layer external protection system and ultra-long diagonal bracing system |
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