CN105350777A - Device and method for one-time pouring molding of ultra-high concrete column - Google Patents
Device and method for one-time pouring molding of ultra-high concrete column Download PDFInfo
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- CN105350777A CN105350777A CN201510848623.9A CN201510848623A CN105350777A CN 105350777 A CN105350777 A CN 105350777A CN 201510848623 A CN201510848623 A CN 201510848623A CN 105350777 A CN105350777 A CN 105350777A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/04—Devices for both conveying and distributing
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/04—Devices for both conveying and distributing
- E04G21/0418—Devices for both conveying and distributing with distribution hose
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/06—Solidifying concrete, e.g. by application of vacuum before hardening
- E04G21/08—Internal vibrators, e.g. needle vibrators
Abstract
The invention discloses a device and method for one-time pouring molding of an ultra-high concrete column. The device comprises a guiding device arranged in an ultra-high concrete column formwork. The guiding device comprises a collecting hopper, a scissor fork lifting mechanism, guiding pipe connecting mechanisms and a guiding pipe. The collecting hopper is arranged on the top of the guiding pipe, the guiding pipe is divided into multiple sections with the equal length, the sections are connected through the guiding pipe connecting mechanisms, the lower portion of the collecting hopper is sleeved with the scissor fork type lifting mechanism for lifting the guiding pipe, multiple vibrating rods for vibrating and densifying concrete are arranged between hoops on the edges of the formwork, multiple sections of scale marks are arranged on the vibrating rods, and the length of each section of scale mark is equal to that of each section of guiding pipe. Coincidence and integrity with the concrete are guaranteed, the honeycomb and scale phenomenon caused by the fact that vibration is not in place is avoided, the structural safety and appearance quality of one-time molding of the ultra-high reinforced concrete structure column are guaranteed accordingly, appearance attractiveness is improved, and the construction period is shortened.
Description
Technical field
The present invention relates to the realm of building construction, particularly relate to a kind of device and method shaping for ultra-high concrete post one-time-concreting.
Background technology
It is a large difficult point of concrete structure engineering construction control that ultra-high concrete post is built shaping.The Guangdong logistics center large-sized workshop concrete column first floor is high 9 meters, and two layer concrete posts are high 14 meters.And on-site concrete post is Fair-Faced Concrete Column, higher to the appearance requirement of disposal molding.
If adopt segmentation to build, easily occur faulting of slab ends phenomenon between two sections post, working procedure time lengthening, can not meet construction period simultaneously.If adopt high self-compacting concrete primary concreting of throwing also cannot ensure that concrete vibrating is closely knit, adds financial cost simultaneously.Taking a kind of novel superelevation reinforced concrete construction method to solve this type of phenomenon scene, configuring a kind of concreting guiding device simultaneously and meeting superelevation reinforced concrete post primary concreting Forming Quality and effect.
Summary of the invention
The technical problem to be solved in the present invention is to build for segmentation in prior art easily to occur faulting of slab ends phenomenon, and adopt high self-compaction casting method of throwing cannot ensure the defect that concrete vibrating is closely knit, a kind of device and method shaping for ultra-high concrete post one-time-concreting that concrete vibrating can be made closely knit is provided.
The technical solution adopted for the present invention to solve the technical problems is:
The invention provides a kind of device shaping for ultra-high concrete post one-time-concreting, comprise the guiding device being arranged on ultra-high concrete column template inside, described guiding device comprises material-collecting funnel, scissor-type lifting mechanism, tubes connection mechanism and conduit, described material-collecting funnel is arranged on the top of described conduit, the multistage that described conduit is divided into length equal, connected by described tubes connection mechanism between every section, the below of described material-collecting funnel is set with the described scissor-type lifting mechanism for promoting described conduit;
Being provided with the many vibrating spears for making concrete vibrating closely knit between the stirrup at described template edge place, described vibrating spear being provided with multistage graduation mark, the length of every section of described graduation mark is identical with the length of conduit every section described.
The invention provides a kind of method shaping for ultra-high concrete post one-time-concreting, comprise the following steps:
S1, carry out building the preparation in ultra-high concrete post early stage, comprise foundation platform cleaning, reinforcement installation engineering, model sheetinstallat and stabilization works;
S2, complete build ultra-high concrete post early stage preparation examination after, at position to be built erection guiding device, conduit is divided into multistage, and every segment length is set to 2.5-3m, the total length of conduit is determined according to the post of ultra-high concrete post is high, and the height at the bottom of conduit distance post is no more than 3m;
And many vibrating spears are set between the stirrup at the surrounding edge place of ultra-high concrete post, the total length of vibrating spear is determined according to the post of ultra-high concrete post is high, is reached by vibrating spear at the bottom of post;
S3, start to carry out building of ultra-high concrete post, in the template of ultra-high concrete post, concrete is injected by the material-collecting funnel at conduit top, in the process of building, vibrating spear promotes with the raising of building height, after having built the ultra-high concrete post of 2.5-3m, suspend and inject concrete, use scissor-type lifting mechanism to promote guiding device, open tubes connection mechanism, remove one section of conduit, reduce scissor-type lifting mechanism and continue to build after next section of conduit is connected with material-collecting funnel;
S4, constantly lifting vibrating spear and conduit, until complete building of whole ultra-high concrete post.
Further, specifically the comprising of step S1 of the present invention:
S11, foundation platform are cleared up: carry out dabbing process to the foundation platform of having built, cleaning is cleaned out, and then axis and post edge positions are determined in surveying setting-out location;
S12, reinforcement installation engineering: carry out reinforced bar engineering installation according to the axis of having good positioning and post sideline, in reinforcement installation process, the vertical main muscle of uniform layout, guarantees main muscle spacing dimension, then carries out the colligation of stirrup, stirrup is evenly arranged according to main reinforce position, and completely bundle is completely tied up simultaneously;
S13, model sheetinstallat and stabilization works: carry out model sheetinstallat engineering according to axis and post sideline, first the wide sponge strip of 2-3mm is established at post soffit formwork underlay, for after preventing from having built due to bad root phenomenon that bottom spillage occurs, between template, the appearance of mortar leakage prevention phenomenon closed by piece adhesive tape, finally carries out consolidation process to template.
Further, in step S2 of the present invention, the diameter of conduit is 150mm-200mm.
Further, in step S2 of the present invention, conduit total length h is:
h＝H+h1-h2
Wherein, H is that the post of ultra-high concrete post is high, and h1 is the height that conduit exceeds template upper end, h2 be conduit from build post cushion cap identity distance from.
Further, in step S2 of the present invention, the total length L of vibrating spear is:
L＝H+h1
Wherein, H is that the post of ultra-high concrete post is high, and h1 is the height that conduit exceeds template upper end.
Further, in step S2 of the present invention, vibrating spear arranges a graduation mark every 2.5-3m.
Further, in the casting process of step S3 of the present invention, concreting slump is 160mm-180mm.
Further, the concrete that when vibrating spear vibrates in step S3 of the present invention, distance the preceding paragraph has been built is less than 50cm.
Further, the method for the present invention is further comprising the steps of:
S5, form removable and outward appearance process: after striking time reaches, ultra-high concrete column template is removed, in demolishing process, note finished product protection; Subsequently water seasoning is carried out to concrete column, when concrete strength reaches design strength completely, grinding process is carried out to concrete appearance.
The beneficial effect that the present invention produces is: the method shaping for ultra-high concrete post one-time-concreting of the present invention, by the conduit using scissor-type lifting mechanism to promote segmented, ultra-high concrete post is built in segmentation, and use vibrating spear to carry out vibration compacting to concrete, section length and the vibrating spear hoisting depth of conduit are consistent, ensure agreeing with and globality between upper section concrete, to avoid between upper and lower side section because vibrate not in place and voids and pits phenomenon that is that occur, thus ensure structural safety and the presentation quality of superelevation reinforced concrete structure post disposal molding, promote appearance looks elegant, shorten the construction period.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the apparatus structure schematic diagram shaping for ultra-high concrete post one-time-concreting of the embodiment of the present invention;
Fig. 2 is the structural representation of the guiding device of the device shaping for ultra-high concrete post one-time-concreting of the embodiment of the present invention;
Fig. 3 is the sectional drawing of the device shaping for ultra-high concrete post one-time-concreting of the embodiment of the present invention;
Fig. 4 is the flow chart of the method shaping for ultra-high concrete post one-time-concreting of the embodiment of the present invention;
In figure, 1-material-collecting funnel, 2-scissor-type lifting mechanism, 3-tubes connection mechanism, 4-conduit, 5-vibrating spear, 6-stirrup, 7-template, 8-graduation mark.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1 and Figure 2, the device shaping for ultra-high concrete post one-time-concreting of the embodiment of the present invention, comprise the guiding device being arranged on ultra-high concrete column template 7 inside, guiding device comprises material-collecting funnel 1, scissor-type lifting mechanism 2, tubes connection mechanism 3 and conduit 4, material-collecting funnel 1 is arranged on the top of conduit 4, the multistage that conduit 4 is divided into length equal, connected by tubes connection mechanism 3 between every section, the below of material-collecting funnel 1 is set with the scissor-type lifting mechanism 2 for promoting conduit 4;
As shown in Figure 3, be provided with many between the stirrup 6 of template 7 edge and vibrating spear 5 be provided with multistage graduation mark 8 for the vibrating spear 5 making concrete vibrating closely knit, the length of every section of graduation mark 8 is identical with the length of every section of conduit 4.
As shown in Figure 4, the method shaping for ultra-high concrete post one-time-concreting of the embodiment of the present invention, comprises the following steps:
S1, carry out building the preparation in ultra-high concrete post early stage, comprise foundation platform cleaning, reinforcement installation engineering, model sheetinstallat and stabilization works;
S11, foundation platform are cleared up: carry out dabbing process to the foundation platform of having built, cleaning is cleaned out, and then axis and post edge positions are determined in surveying setting-out location;
S12, reinforcement installation engineering: carry out reinforced bar engineering installation according to the axis of having good positioning and post sideline, in reinforcement installation process, the vertical main muscle of uniform layout, guarantees main muscle spacing dimension, then carries out the colligation of stirrup, stirrup is evenly arranged according to main reinforce position, and completely bundle is completely tied up simultaneously;
S13, model sheetinstallat and stabilization works: carry out model sheetinstallat engineering according to axis and post sideline, first the wide sponge strip of 2-3mm is established at post soffit formwork underlay, for after preventing from having built due to bad root phenomenon that bottom spillage occurs, between template, the appearance of mortar leakage prevention phenomenon closed by piece adhesive tape, finally carries out consolidation process to template.
S2, complete build ultra-high concrete post early stage preparation examination after, at position to be built erection guiding device, conduit is divided into multistage, and every segment length is set to 2.5-3m, the total length of conduit is determined according to the post of ultra-high concrete post is high, and the height at the bottom of conduit distance post is no more than 3m;
The diameter of conduit is 150mm-200mm, and conduit total length h is:
h＝H+h1-h2
Wherein, H is that the post of ultra-high concrete post is high, and h1 is the height that conduit exceeds template upper end, h2 be conduit from build post cushion cap identity distance from.
And many vibrating spears are set between the stirrup at the surrounding edge place of ultra-high concrete post, the total length of vibrating spear is determined according to the post of ultra-high concrete post is high, is reached by vibrating spear at the bottom of post;
The total length L of vibrating spear is:
L＝H+h1
Wherein, H is that the post of ultra-high concrete post is high, and h1 is the height that conduit exceeds template upper end.Vibrating spear arranges a graduation mark every 2.5-3m.
S3, start to carry out building of ultra-high concrete post, in the template of ultra-high concrete post, concrete is injected by the material-collecting funnel at conduit top, in the process of building, vibrating spear promotes with the raising of building height, after having built the ultra-high concrete post of 2.5-3m, suspend and inject concrete, use scissor-type lifting mechanism to promote guiding device, open tubes connection mechanism, remove one section of conduit, reduce scissor-type lifting mechanism and continue to build after next section of conduit is connected with material-collecting funnel;
In casting process, concreting slump is 160mm-180mm, and the concrete that when vibrating spear vibrates, distance the preceding paragraph has been built is less than 50cm.
S4, constantly lifting vibrating spear and conduit, until complete building of whole ultra-high concrete post.
S5, form removable and outward appearance process: after striking time reaches, ultra-high concrete column template is removed, in demolishing process, note finished product protection; Subsequently water seasoning is carried out to concrete column, when concrete strength reaches design strength completely, grinding process is carried out to concrete appearance.
In another embodiment of the present invention, the concrete steps of the method are:
1, foundation platform cleaning: carry out dabbing process to the foundation platform of having built, cleaning is cleaned out, then axis and post edge positions are determined in surveying setting-out location.
2, reinforcement installation engineering: carry out reinforced bar engineering installation according to the axis of having good positioning and post sideline.The vertical main muscle of uniform layout in reinforcement installation process, guarantee main muscle spacing dimension, then carry out the colligation of stirrup, stirrup is evenly arranged according to main reinforce position, and in the convenient casting process below of interior empty size of guarantee stirrup, conduit gos deep into.Completely bundle is completely tied up simultaneously, prevents from watering in the process of smashing watering the concrete smash and breaking up stirrup, thus affects concrete column structure quality.
3, model sheetinstallat and stabilization works: concealment acceptance must be carried out to reinforced bar engineering before model sheetinstallat engineering starts.Carry out model sheetinstallat engineering according to axis and post sideline after acceptance(check), first establish the wide sponge strip of 2-3mm at post soffit formwork underlay, prevent the bad root phenomenon due to the appearance of bottom spillage after having built.Between template, the appearance of mortar leakage prevention phenomenon closed by piece adhesive tape.Do consolidation process according to on-the-spot high-supported formwork special construction plan and " building construction formwork mounting technique specification " JGJ162-2008 in formwork reinforcement process and prevent the mould phenomena impair concrete appearance that rises.
4, ultra-high concrete post primary concreting engineering: ultra-high concrete post primary concreting is the construction Difficulties of the present invention and the major issue of emphasis and solution.Must carry out an acceptance inspection to form work engineering and stabilization works between once-pouring of concrete.Cast-in-place concrete is organized after acceptance(check).Post concreting slump controls at 160mm-180mm, ensures concrete mobility.Concrete guiding device is made up of scissor-type lifting mechanism 2, conduit 4, tubes connection mechanism 3, material-collecting funnel 1.Watering scissor-type lifting mechanism 2 when smashing is for promoting conduit 4 and material-collecting funnel 1 in work progress along with concrete building.
The diameter of conduit 4 is considered according to the inner headroom size of on-the-spot stirrup 6.General conduit 4 diameter is that 200mm is advisable, and is not less than 150mm, and conduit is PVC material.It is 3m that conduit often saves length, total length according to the height determination conduit 4 of engineering entity post: the height of ultra-high concrete post is H, it is h1 that conduit exceeds template upper end face height, conduit is from building post cushion cap identity distance from being h2 (being generally 2.5m-3m), then catheter length: h=H+h1-h2.Conduit 4 is with conduit 4 and have special tubes connection mechanism 3 to be connected between conduit 4 with material-collecting funnel 1, can use the mode be threaded.Internal vibration rod 5 confirms the flexible pipe total length of vibrating spear 5 according to the height of concrete column: concrete column height is H, and flexible pipe length in reserve is h1.The then hose length L=H+h1 of vibrating spear 5.General flexible pipe length in reserve exceedes concrete column height 3m and is advisable.Every 3 meters of red adhesive plaster marks of use on vibrating spear 5, as graduation mark, facilitate the lifting controlling vibrating spear 5 in post once-pouring of concrete process, in order to avoid occur that voids and pits phenomenon appears in the non-vibration compacting in local.
March into the arena according to site operation organization arrangement concrete soil pumping equipment and concrete material, the position erection guiding device needing to build before building, catheter length connects according to post height, stretch into and be no more than 3m from absolute altitude at the bottom of post and be advisable, and install internal vibration rod 5 at post diagonal angle, internal vibration rod 5 reaches column bottom.Building for every section is highly 2.5m-3m, and casting process internal vibration rod 5 highly constantly will promote with building with concreting amount, and guarantee concrete density and the outward appearance Forming Quality of putting in place of must vibrating.Guiding device is promoted with scissor-type lifting mechanism 2 after having built 3m, then one section of 3m conduit 4 is taken off, building of hypomere concrete column is carried out after splicing, and internal vibration rod 5 must rest on epimere has built concrete below 50cm, ensure agreeing with and globality between upper section concrete, to avoid between upper and lower side section because vibrate not in place and voids and pits phenomenon that is that occur.Constantly promote guiding device and internal vibration rod 5 by aforesaid operations flow process successively order subsequently to carry out follow-uply concretely building until whole piece post has been built, then build follow-up superelevation reinforced concrete post successively by above-mentioned flow process of building.Until all concrete columns have been built.
5, form removable and outward appearance process: after striking time reaches, ultra-high concrete column template is removed, note finished product protection in demolishing process.Subsequently water seasoning is carried out to concrete column, when concrete strength reaches design strength completely, grinding process is carried out to concrete appearance.
The shaping method of superelevation reinforced concrete post one-time-concreting is by segmented flow directed catheter (every 3m segmentation) and the cooperatively interacting of internal vibration rod of being carved with graduated scale timberline, in superelevation post post primary concreting process, promote duct height according to cast in situs height by crossing type lifting apparatus, thus ensure that concrete formation quality avoids occurring molding structure safety and the appearance quality of segregation, the too much voids and pits of bottom stone grain.Vibrator device arranges graduation mark, control the hoisting depth of vibrator, poker vibrator must rest on epimere and build concrete below 50cm, ensure agreeing with and globality between upper section concrete, to avoid between upper and lower side section because vibrate not in place and voids and pits phenomenon that is that occur.Thus ensure structural safety and the presentation quality of superelevation reinforced concrete structure post disposal molding, promote appearance looks elegant, shorten the construction period.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (10)
1. one kind for the shaping device of ultra-high concrete post one-time-concreting, comprise and be arranged on the inner guiding device of ultra-high concrete column template (7), it is characterized in that, described guiding device comprises material-collecting funnel (1), scissor-type lifting mechanism (2), tubes connection mechanism (3) and conduit (4), described material-collecting funnel (1) is arranged on the top of described conduit (4), the multistage that described conduit (4) is divided into length equal, connected by described tubes connection mechanism (3) between every section, the below of described material-collecting funnel (1) is set with the described scissor-type lifting mechanism (2) for promoting described conduit (4),
The many vibrating spears (5) for making concrete vibrating closely knit are provided with between the stirrup (6) of described template (7) edge, described vibrating spear (5) is provided with multistage graduation mark (8), the length of every section of described graduation mark (8) is identical with the length of conduit every section described (4).
2., for the method that ultra-high concrete post one-time-concreting is shaping, it is characterized in that, comprise the following steps:
S1, carry out building the preparation in ultra-high concrete post early stage, comprise foundation platform cleaning, reinforcement installation engineering, model sheetinstallat and stabilization works;
S2, complete build ultra-high concrete post early stage preparation examination after, at position to be built erection guiding device, conduit is divided into multistage, and every segment length is set to 2.5-3m, the total length of conduit is determined according to the post of ultra-high concrete post is high, and the height at the bottom of conduit distance post is no more than 3m;
And many vibrating spears are set between the stirrup at the surrounding edge place of ultra-high concrete post, the total length of vibrating spear is determined according to the post of ultra-high concrete post is high, is reached by vibrating spear at the bottom of post;
S3, start to carry out building of ultra-high concrete post, in the template of ultra-high concrete post, concrete is injected by the material-collecting funnel at conduit top, in the process of building, vibrating spear promotes with the raising of building height, after having built the ultra-high concrete post of 2.5-3m, suspend and inject concrete, use scissor-type lifting mechanism to promote guiding device, open tubes connection mechanism, remove one section of conduit, reduce scissor-type lifting mechanism and continue to build after next section of conduit is connected with material-collecting funnel;
S4, constantly lifting vibrating spear and conduit, until complete building of whole ultra-high concrete post.
3. the method shaping for ultra-high concrete post one-time-concreting according to claim 2, it is characterized in that, step S1 specifically comprises:
S11, foundation platform are cleared up: carry out dabbing process to the foundation platform of having built, cleaning is cleaned out, and then axis and post edge positions are determined in surveying setting-out location;
S12, reinforcement installation engineering: carry out reinforced bar engineering installation according to the axis of having good positioning and post sideline, in reinforcement installation process, the vertical main muscle of uniform layout, guarantees main muscle spacing dimension, then carries out the colligation of stirrup, stirrup is evenly arranged according to main reinforce position, and completely bundle is completely tied up simultaneously;
S13, model sheetinstallat and stabilization works: carry out model sheetinstallat engineering according to axis and post sideline, first the wide sponge strip of 2-3mm is established at post soffit formwork underlay, for after preventing from having built due to bad root phenomenon that bottom spillage occurs, between template, the appearance of mortar leakage prevention phenomenon closed by piece adhesive tape, finally carries out consolidation process to template.
4. the method shaping for ultra-high concrete post one-time-concreting according to claim 2, is characterized in that, in step S2, the diameter of conduit is 150mm-200mm.
5. the method shaping for ultra-high concrete post one-time-concreting according to claim 2, is characterized in that, in step S2, conduit total length h is:
h＝H+h1-h2
Wherein, H is that the post of ultra-high concrete post is high, and h1 is the height that conduit exceeds template upper end, h2 be conduit from build post cushion cap identity distance from.
6. the method shaping for ultra-high concrete post one-time-concreting according to claim 2, is characterized in that, in step S2, the total length L of vibrating spear is:
L＝H+h1
Wherein, H is that the post of ultra-high concrete post is high, and h1 is the height that conduit exceeds template upper end.
7. the method shaping for ultra-high concrete post one-time-concreting according to claim 2, is characterized in that, in step S2, vibrating spear arranges a graduation mark every 2.5-3m.
8. the method shaping for ultra-high concrete post one-time-concreting according to claim 2, is characterized in that, in the casting process of step S3, concreting slump is 160mm-180mm.
9. the method shaping for ultra-high concrete post one-time-concreting according to claim 2, is characterized in that, the concrete that when vibrating spear vibrates in step S3, distance the preceding paragraph has been built is less than 50cm.
10. the method shaping for ultra-high concrete post one-time-concreting according to claim 2, it is characterized in that, the method is further comprising the steps of:
S5, form removable and outward appearance process: after striking time reaches, ultra-high concrete column template is removed, in demolishing process, note finished product protection; Subsequently water seasoning is carried out to concrete column, when concrete strength reaches design strength completely, grinding process is carried out to concrete appearance.
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Application publication date: 20160224 |