CN212984489U - Template connection structure on high-strength curve ultra-flat ground - Google Patents

Template connection structure on high-strength curve ultra-flat ground Download PDF

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Publication number
CN212984489U
CN212984489U CN202021565578.9U CN202021565578U CN212984489U CN 212984489 U CN212984489 U CN 212984489U CN 202021565578 U CN202021565578 U CN 202021565578U CN 212984489 U CN212984489 U CN 212984489U
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China
Prior art keywords
support
wall
flat ground
post
template
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CN202021565578.9U
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Chinese (zh)
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王昂昂
王贺
邢义志
刘春明
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China Construction Second Engineering Bureau Co Ltd
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China Construction Second Engineering Bureau Co Ltd
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Priority to JP2021002764U priority patent/JP3234188U/en
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Abstract

The utility model discloses a template connection structure on high strength curve super flat ground contains super flat ground bottom structure, connect in the structural twice side arc template of super flat ground bottom, connect between twice side arc template and be located the structural twice interior arc template of super flat ground bottom, connect the side support in the side arc template outside, connect in the side of collateral branch top of supporting and transfer the piece and connect in the interior accent piece that supports the top in the interior support of arc template within a definite time and connect. The post-cast strip formwork structure further comprises a beam body, a wall body, a post-cast strip formwork and a supporting structure of the post-cast strip formwork. The utility model is beneficial to the integral support through the arrangement of the arc-shaped template, the beam body, the wall body, the template at the post-cast strip and the supporting structure thereof; the arrangement of the adjusting pieces on each supporting structure is favorable for adapting to the precision adjustment of the template during the on-site construction of the ultra-flat ground; the construction efficiency is improved favorably through the unitized segmented construction of the ultra-flat ground and the prior construction of the bottom structure of the ultra-flat ground.

Description

Template connection structure on high-strength curve ultra-flat ground
Technical Field
The utility model belongs to the building construction field, in particular to template connection structure on high strength curve super flat ground.
Background
The construction technology of the super-flat ground is widely applied to building construction, and is mainly used in buildings with extremely high requirements on ground flatness, such as entertainment facilities, logistics companies, large storage centers, large forklift transportation of large stores and the like. The laser leveling machine is mainly adopted for automatic leveling during large-area construction of the ultra-flat ground at the present stage, and small-range construction mainly depends on manual cooperation of the high-precision level gauge, the high-precision scraper bar and the template system. However, for a playground, the high-degree curved-shaped ultra-flat ground exists in a room, the arc-shaped template needs to be erected, integral design and construction of the template need to be erected during construction of the arc-shaped template, and key nodes are grasped for measurement control in the construction process of the arc-shaped template.
SUMMERY OF THE UTILITY MODEL
The utility model provides a template connection structure on high strength curve super flat ground for the global design of arc template and other templates in solving the curved form super flat ground, reinforce technical problem such as support and elevation accuracy control.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a template connection structure on high strength curve super flat ground, contains super flat ground bottom structure, connects twice side arc template on super flat ground bottom structure, connects in twice side arc template and is located the twice inner arc template on super flat ground bottom structure between the twice, connects the side support in the side arc template outside, connects in the side of collateral branch top of supporting and transfers the piece and connect in the interior accent piece that supports the top in and between the twice inner arc template.
Furthermore, the inner support comprises a vertical support connected with a vertical rod piece pre-embedded in the bottom structure of the ultra-flat ground, a cross support vertically connected with the vertical support and an inclined support connected between the vertical support and the bottom structure of the ultra-flat ground; the inner upper adjusting piece comprises an inner upper fixing piece connected with the top of the inner support middle vertical support, an inner upper adjusting piece connected to the inner upper fixing piece, an inner upper baffle plate adjustably connected between the inner upper adjusting piece and the inner arc-shaped template, and an inner upper quick and easy closing net connected below the inner upper baffle plate and located between the inner upper adjusting piece and the inner arc-shaped template.
Further, the side support comprises a side vertical support connected with a vertical rod embedded in the bottom structure of the ultra-flat ground, a cross support vertically connected with the side vertical support and a side diagonal support connected between the side vertical support and the bottom structure of the ultra-flat ground; the side upward adjusting part comprises a side upward fixing part connected with the top of the side vertical support in the side support, a side upward adjusting part connected to the inner upward fixing part, an inner upward baffle plate and a side upward second baffle plate which are connected between the side upward adjusting part and the side arc-shaped template in an adjustable mode, and a side upward fast and easy closing net which is connected below the side upward first baffle plate and the side upward second baffle plate and is located between the side upward adjusting part and the side arc-shaped template.
Furthermore, the inner upper baffle, the side upper first baffle and the side upper second baffle are plates or angle-shaped parts, wherein the shape of each angle-shaped part is adapted to the straight line segment of the side arc-shaped template or the inner arc-shaped template, and the shape of each plate is adapted to the radian change segment of the side arc-shaped template or the inner arc-shaped template.
Further, the foundation pit supporting structure further comprises a beam body at the position of the foundation pit, beam supporting frames connected to two sides of the beam body, beam connecting pieces connected between the beam supporting frames and the bottom structure of the ultra-flat ground, beam adjusting pieces connected to the tops of the beam supporting frames and beam templates connected between the beam supporting frames and the beam body.
Further, the beam support frame comprises a beam vertical support connected with a pre-embedded vertical rod piece in the bottom structure of the ultra-flat ground, and a beam transverse support vertically connected with the beam vertical support; wherein, a batten is connected between the beam transverse bracket at the top and the beam bottom template;
the beam connecting piece comprises a beam connecting vertical rod, a beam connecting transverse rod and a beam inclined connecting rod, wherein the beam connecting vertical rod is vertically connected to the top beam transverse support and is positioned on two sides of the beam body;
the beam adjusting piece comprises a beam adjusting rod connected with the beam connecting vertical rod, a beam baffle connected to the beam adjusting rod and a beam fast and easy closing net located between the beam connecting vertical rod and the beam body side template and located below the beam baffle.
Furthermore, the wall body, the wall support body connected to the outer side of the wall body, the wall connecting piece connected between the wall support body and the wall body, the wall adjusting piece connected above the wall connecting piece and the wall embedded part connected between the wall support body and the wall body are further included.
Furthermore, the wall support body comprises a wall vertical support connected with a vertical rod piece embedded in the bottom structure of the ultra-flat ground, a wall transverse support vertically connected with the wall vertical support, and a wall inclined support connected between the wall transverse support and the bottom structure of the ultra-flat ground;
the wall connecting piece comprises a beam connecting vertical rod, a wall connecting transverse rod and a beam inclined connecting rod, wherein the beam connecting vertical rod is vertically connected to the top wall transverse bracket and is positioned outside the wall body;
the wall adjusting piece comprises a wall adjusting rod connected with the wall connecting vertical rod, a wall baffle connected to the wall adjusting rod and a wall fast and easy closing net located between the wall connecting vertical rod and the wall template and below the wall baffle;
the wall embedded part is connected to the top of the wall body and connected with the wall template through bolts.
The post-cast strip formwork structure further comprises a post-cast strip concrete body, a post-cast strip supporting piece connected to the outer side of the post-cast strip formwork of the post-cast strip concrete body, a post-cast strip adjusting piece connected to the upper portion of the post-cast strip supporting piece, and post-cast strip planting ribs connected between the post-cast strip supporting piece and the bottom structure of the super-flat ground;
the post-cast strip support comprises a post-cast strip vertical support connected with a pre-embedded vertical rod piece in the bottom structure of the ultra-flat ground, a post-cast strip transverse support vertically connected with the post-cast strip vertical support, and a post-cast strip inclined support connected between the post-cast strip transverse support and the bottom structure of the ultra-flat ground;
the post-cast strip adjusting piece comprises a wall adjusting rod connected with a post-cast strip connecting vertical rod, a post-cast strip baffle connected to the post-cast strip adjusting rod, and a post-cast strip fast and easy closing net located between the post-cast strip connecting vertical rod and the post-cast strip template and located below the post-cast strip baffle.
Furthermore, the design height deviation of the side arc-shaped template, the inner arc-shaped template, the beam template, the wall template and the post-cast strip template is not more than 13 mm; when the measurement is carried out perpendicular to each template, the difference of the heights of the left template and the right template is not more than 1.8 mm; when the gauge height difference of any two adjacent side templates is measured perpendicular to the templates, the gauge height difference of any two adjacent side templates cannot exceed 1.6 mm; any form is inclined no more than 2mm over a length of 3000 mm.
The beneficial effects of the utility model are embodied in:
1) the utility model is beneficial to providing the integral support of the template plate when the curved ultra-flat ground concrete is poured through the arrangement of the arc template, the beam body, the wall body, the template at the post-cast strip and the support structure thereof, and each support is organically connected with the bottom structure of the ultra-flat ground, thus being beneficial to the connection integrity;
2) the utility model is beneficial to the precision adjustment of the template when the template is suitable for the construction on the spot on the ultra-flat ground by arranging the adjusting pieces on each supporting structure, and the adjusting pieces are connected with corresponding baffles which can be used as the template and the limiting plate;
3) the utility model discloses a modular segmentation construction of super flat ground and the early construction of super flat ground bottom structure do benefit to on the one hand and improve the efficiency of construction, and on the other hand does benefit to the segmentation installation and the support of corresponding template;
in addition, the measurement control in the construction process is beneficial to carrying out accurate control on the whole process of the concrete construction of the ultra-flat ground; the post-cast strip is processed, so that the targeted maintenance of the local structure of the ultra-flat ground is facilitated; additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention; the primary objects and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description.
Drawings
FIG. 1 is a schematic view of an arcuate form support connection;
FIG. 2 is a schematic view of the construction of the bottom structure of the ultra-flat ground;
FIG. 3 is a schematic view of a side up adjuster connection;
FIG. 4 is a schematic view of the connection structure of the inner upper adjusting part;
FIG. 5 is a schematic view of the attachment of the side arch form, side supports and side risers;
FIG. 6 is a schematic view of the connection of the side support and the side up-adjust;
FIG. 7 is a schematic view of a beam and form support connection structure
FIG. 8 is a schematic view of a wall and formwork support connection structure
FIG. 9 is a schematic view of a post-cast strip and formwork support connection structure
FIG. 10 is a schematic view of post-cast strip corner treatment.
Reference numerals: 1-an ultra-flat ground bottom structure, 101-concrete, 102-steel bars, 103-ground embedded parts, 2-side arc templates, 3-inner arc templates, 4-inner supports, 5-side supports, 51-side inclined supports, 52-side inclined support connecting parts, 53-side vertical supports, 6-inner upward adjusting parts, 61-inner upper fixing parts, 62-inner upper adjusting parts, 621-fixing sleeves, 622-inner upper adjusting rods, 63-inner upper quick and easy closing-up nets, 64-inner upper baffle plates, 7-side upper adjusting parts, 71-side upper fixing parts, 72-side upper adjusting parts, 73-side upper quick and easy closing-up nets, 74-side first baffle plates, 75-side second baffle plates, 8-beam bodies, 9-beam supporting frames, 10-beam connecting parts, a steel frame, a steel, 11-beam adjusting parts, 12-beam templates, 13-wall bodies, 14-wall supporting bodies, 15-wall connecting parts, 16-wall adjusting parts, 17-wall embedded parts, 18-wall templates, 19-casting bars, 20-post-cast strip supporting parts, 21-post-cast strip steel planting bars, 22-post-cast strip adjusting parts, 23-post-cast strip templates, 24-post-cast strip concrete bodies and 25-burr areas.
Detailed Description
Take a core area of a cultural tourism vacation area of a certain theme park as an example, wherein a single design body comprises a large-scale riding entertainment item, a riding part is an entertainment equipment running area, and a high-strength curved-shaped ultra-flat concrete floor is designed indoors for the safe and stable running of the equipment. The length of the ultra-flat ground is 509m, the total width is 3.1m, the ultra-flat ground is divided into two parts by taking a middle clamping rail as a boundary, the net width of each part is 1.25m, the middle part is 0.6m, and the ultra-flat ground is poured separately from the ultra-flat ground on two sides. The thickness of the concrete is 0.6m, and C35 concrete is poured.
As shown in fig. 1 to 6, the formwork connecting structure of the high-strength curved ultra-flat ground includes an ultra-flat ground bottom structure 1, two side arc formworks 2 connected to the ultra-flat ground bottom structure 1, two inner arc formworks 3 connected between the two side arc formworks 2 and located on the ultra-flat ground bottom structure 1, a side support 5 connected to the outer side of the side arc formwork 2, a side up-adjusting member 7 connected to the top of the side support 5, an inner support 4 connected between the two inner arc formworks 3, and an inner up-adjusting member 6 connected to the top of the inner support 4.
In this embodiment, the inner support 4 includes a vertical support connected to a vertical rod embedded in the bottom structure 1 of the ultra-flat ground, a horizontal support vertically connected to the vertical support, and an inclined support connected between the vertical support and the bottom structure 1 of the ultra-flat ground; the inner upper adjusting part 6 comprises an inner upper fixing part 61 connected with the top of the vertical support in the inner support 4, an inner upper adjusting part 62 connected with the inner upper fixing part 61, an inner upper baffle plate 64 adjustably connected between the inner upper adjusting part 62 and the inner arc-shaped formwork 3, and an inner upper quick and easy closing net 63 connected below the inner upper baffle plate 64 and positioned between the inner upper adjusting part 62 and the inner arc-shaped formwork 3.
The inner upper adjusting member 62 includes a threaded inner upper adjusting rod 622, the inner upper adjusting rod 622 passes through a fixing sleeve 621 and is in threaded connection with the inner upper fixing member 61, and the fixing sleeve 621 is fixedly connected with the inner upper baffle 64.
In this embodiment, the side brace 5 includes the side vertical braces 53 connected with the pre-buried vertical bars of the super flat ground substructure 1, the cross braces perpendicularly connected with the side vertical braces 53, and the side diagonal braces 51 connected between the side vertical braces 53 and the super flat ground substructure 1, and the side diagonal braces 51 are connected with the super flat ground substructure 1 through the side diagonal braces connecting pieces 52 by bolts. The side upper adjusting member 7 comprises a side upper fixing member 71 connected with the top of the side vertical support in the side support 5, a side upper adjusting member 72 connected with the inner upper fixing member 61, an inner upper baffle plate 64 and a side upper second baffle plate 75 which are adjustably connected between the side upper adjusting member 72 and the side arc-shaped formwork 2, and a side upper quick and easy closing net 73 which is connected below the side upper first baffle plate 74 and the side upper second baffle plate 75 and is positioned between the side upper adjusting member 72 and the side arc-shaped formwork 2.
The inner upper baffle 64, the first laterally upper baffle 74 and the second laterally upper baffle 75 are all plates or angles, wherein the angles are shaped to accommodate the straight sections of the arcuate form and the plates are shaped to accommodate the arc change sections of the arcuate form.
In the embodiment, the vertical support and the side vertical support 53 are all made of 18mm steel bars, the side inclined support 51, the cross support and the inclined support are made of 16mm steel bars, the distance between the vertical support and the side vertical support 53 is 400mm, then the inner upper baffle 64 of the baffle plate or the first baffle plate on the side is installed on the straight section and is angle steel of 50 multiplied by 5mm, and the side surface of the steel plate of 60 multiplied by 5mm is welded with an angle code of 40 multiplied by 3mm on the circular arc section; the side upper adjusting piece 72 and the inner upper adjusting piece 62 are respectively connected with the side upper fixing piece 71 and the inner upper fixing piece 61 through threads, the upper part of the side upper adjusting piece is provided with 1 nut, and the lower part of the side upper adjusting piece is provided with 2 nuts for adjusting the height of the whole formwork; and meanwhile, guide fixing steel bars with the diameter of 16mm are arranged at the bottoms of the vertical braces and the side vertical braces 53, so that the integral stability and accuracy of the support are ensured.
As shown in fig. 7, the structure further comprises a beam body 8 at the position of a foundation pit, beam support frames 9 connected to two sides of the beam body 8, a beam connecting member 10 connected between the beam support frame 9 and the bottom structure 1 of the ultra-flat ground, a beam adjusting member 11 connected to the top of the beam support frame 9, and a beam template 12 connected between the beam support frame 9 and the beam body 8.
In this embodiment, the beam support frame 9 includes a beam vertical support connected to a vertical rod member embedded in the bottom structure 1 of the ultra-flat ground, and a beam horizontal support vertically connected to the beam vertical support; wherein, the beam transverse support at the top is connected with the bottom template of the beam body 8 by battens.
In this embodiment, the beam connecting member 10 includes a beam connecting vertical rod vertically connected to the top beam transverse support and located on both sides of the beam body 8, a beam connecting horizontal rod connected in parallel to the top beam transverse support and located at the bottom of the beam body 8, and a beam diagonal connecting rod between the beam connecting vertical rod and the beam connecting horizontal rod; the beam adjusting piece 11 comprises a beam adjusting rod connected with the beam connecting vertical rod, a beam baffle connected to the beam adjusting rod and a beam fast and easy closing net located between the beam connecting vertical rod and the 8 side template of the beam body and below the beam baffle.
In this embodiment, the beam support frame 9 is made of steel pipes of 48.3 × 3.0mm, the longitudinal distance is 450mm, and two rows of beam vertical supports are arranged on each side. And then installing the beam formwork 12, wherein the top of the beam formwork 12 is 60mm larger than the bottom of the concrete beam so as to install the ultra-flat formwork. The beam adjusting rod is made of a full-thread screw rod with the diameter of 14mm, the beam baffle is made of angle steel with the diameter of 50 multiplied by 5mm, 1 nut is installed on the upper portion of the angle steel, and 2 nuts are installed on the lower portion of the angle steel so that the height of the ultra-flat template can be adjusted. The beam connecting piece 10 is made of reinforcing steel bars with the diameter of 18mm and the distance between the reinforcing steel bars of 400mm, the beam is connected with the vertical rod and forms a triangular support with the beam inclined connecting rod, and the beam connecting piece is welded on the steel pipe. The side surface of the beam connecting vertical rod is provided with 3 beams with the diameter of 16mm to connect the cross rod so as to reinforce the wood template and ensure the cross section of the beams. And a gap between the beam baffle and the wood template is filled with a foam rod.
As shown in fig. 8, the wall structure further includes a wall body 13, a wall support 14 connected to an outer side of the wall body 13, a wall connecting member 15 connected between the wall support 14 and the wall body 13, a wall adjusting member 16 connected above the wall connecting member 15, and a wall embedded member 17 connected between the wall support 14 and the wall body 13.
In this embodiment, the wall support 14 includes a vertical wall support connected to a vertical rod embedded in the bottom structure 1 of the ultra-flat ground, a horizontal wall support vertically connected to the vertical wall support, and an inclined wall support connected between the horizontal wall support and the bottom structure 1 of the ultra-flat ground; the wall connecting piece 15 comprises a beam connecting vertical rod which is vertically connected to the top wall transverse support and is positioned outside the wall body 13, a wall connecting transverse rod which is connected to the top wall transverse support in parallel and is positioned at the top of the wall body 13, and a wall inclined connecting rod between the wall connecting vertical rod and the wall connecting transverse rod; the wall adjusting piece 16 comprises a wall adjusting rod connected with the wall connecting vertical rod, a wall baffle connected with the wall adjusting rod and a wall fast and easy closing net which is arranged below the wall baffle and between the wall connecting vertical rod and the wall template 18; the wall embedment 17 is connected to the top of the wall body 13 and is bolted to the wall form 18.
In the embodiment, the wall support 14 is made of steel pipes with the length of 48.3 multiplied by 3.0mm, the longitudinal distance is 450mm, two rows of wall vertical supports are arranged, three spans are arranged on the side faces of the wall inclined supports at the distance, then the wall template 18 is installed by utilizing the wall embedded parts 17, and the height of the wall template 18 is 60mm lower than that of the ultra-flat ground. Meanwhile, reinforcing steel bars with the diameter of 18mm are planted at the top of the poured wall body 13, and the distance between the reinforcing steel bars and the wall connecting piece 15 is 400 mm. The wall connecting piece 15 is welded on the scaffold steel pipe in a triangular shape. And 3 lines of 18mm steel bars are arranged on the side surface of the wall connecting piece 15 to enhance the stability. The upper part of the wall connecting piece 15 is connected with a full-thread screw with the diameter of 14mm as a wall adjusting piece 16, the top of the screw is provided with angle steel with the diameter of 50 multiplied by 5mm as a baffle plate in the wall adjusting piece 16, the upper part of the angle steel is provided with 1 nut, and the lower part of the angle steel is provided with 2 nuts so as to adjust the height of a template; gaps between the angle steels and the wooden templates are filled with foam rods.
As shown in fig. 9, the post-cast strip concrete body 24, a post-cast strip support member 20 connected to the outer side of the post-cast strip formwork 23 of the post-cast strip concrete body 24, a post-cast strip adjuster 22 connected to the upper side of the post-cast strip support member 20, and a post-cast strip steel bar 21 connected between the post-cast strip support member 20 and the ground substructure 1.
In this embodiment, the post-cast strip support member 20 includes a post-cast strip vertical support connected to a pre-embedded vertical rod member in the ultra-flat ground bottom structure 1, a post-cast strip horizontal support vertically connected to the post-cast strip vertical support, and a post-cast strip inclined support connected between the post-cast strip horizontal support and the ultra-flat ground bottom structure 1; the post-cast strip adjusting piece 22 comprises a wall adjusting rod connected with a post-cast strip connecting vertical rod, a post-cast strip baffle connected to the post-cast strip adjusting rod, and a post-cast strip fast and easy closing net located between the post-cast strip connecting vertical rod and the post-cast strip template 23 and below the post-cast strip baffle. The upper part of the post-cast strip support member 20 is connected with a full-thread screw rod with the diameter of 14mm as a post-cast strip adjusting member 22, angle steel with the diameter of 50 multiplied by 5mm is installed at the top of the screw rod and is used as a baffle plate in the post-cast strip adjusting member 22, 1 nut is installed at the upper part of the angle steel, and 2 nuts are installed at the lower part of the angle steel so as to adjust the height of a template; gaps between the angle steels and the wooden templates are filled with foam rods.
In the embodiment, the post-cast strip vertical support, the post-cast strip transverse support and the post-cast strip inclined support are all made of steel pipes or steel bars and are connected in a triangular shape; wherein post-cast strip steel bars 21 are pre-embedded outside the post-cast strip transverse support for connection and limiting.
With reference to fig. 1 to 10, a construction method of a formwork connection structure of a high-strength curved ultra-flat ground includes the following specific steps:
dividing an integral construction section of the ultra-flat ground into unit sections for construction according to the requirement of a construction period and the requirement of site construction length, and dividing the ultra-flat ground into the unit construction sections by taking 20m as a reference; before concrete is poured, an electromechanical pipeline at the lower part of the ultra-flat ground is installed, reinforcing steel bar heads are inserted into two ends of the pipeline, and the surface layer of the ultra-flat ground concrete is exposed to be larger than 100 mm.
Determining the thickness of a steel bar protection layer in the concrete area of the ultra-flat ground, and determining supporting pieces and distribution forms among steel bar layers in the concrete of the ultra-flat ground; wherein, the thickness of the protective layer between the upper layer steel bar and the lower layer steel bar is between 50mm and 75 mm; the upper and lower parts of the steel bar protection layer in the super-flat ground concrete area are controlled to be 50-75 mm. The split heads steel bar support with the diameter of 16mm needs to be additionally arranged between the upper layer steel bar and the lower layer steel bar of the steel bar, and the interval is 800mm in a plum blossom shape.
Thirdly, firstly constructing the concrete 101 of the bottom structure 1 of the ultra-flat ground, then pouring the concrete of the ultra-flat part, and finally constructing the concrete on two sides and the middle part of the ultra-flat part; after the binding of the steel bars 102 in the bottom structure 1 of the ultra-flat ground is finished and the pouring of the concrete 101 is finished, the vertical rods of the support bodies corresponding to the arc-shaped templates and the ground embedded parts 103 corresponding to professional equipment on the bottom structure 1 of the ultra-flat ground are embedded; the arc-shaped formworks are then installed corresponding to the inner supports 4 and the inner up-regulating members 6, and the side supports 5 and the side up-regulating members 7.
In the third step, after the vertical rod pieces of the supporting bodies of the side arc-shaped templates 2 and the inner arc-shaped templates 3 are drilled and installed, the reinforcing steel bars in the super-flat plane are installed; wherein, the installation of the fast and easy closing net is carried out after the middle bottom rib of the steel bar in the super-flat plane is laid; after the quick and easy closing-up net is installed, binding and installing gluten in the steel bars in the ultra-flat ground, cutting the quick and easy closing-up net at the positions of the steel bars in the process, and after the steel bars are bound, connecting and fixing the quick and easy closing-up net by binding wires; and after the steel bars in the super-flat plane are bound, the elevations of the inner up-regulating part 6 and the side up-regulating part 7 corresponding to the arc-shaped template are regulated until the design requirements are met.
Paying off the top of the bottom structure 1 of the ultra-flat ground after the pouring is finished and the follow-up construction requirement is met, lofting is carried out by adopting a coordinate axis network which is conveniently laid by a total station, and measuring and guiding of a leveling point are carried out by utilizing a high-precision level; wherein, measuring the position of the template and the pouring process requires a surveyor to change hands for measurement.
Fifthly, after the top of the bottom structure 1 of the ultra-flat ground is chiseled and cleaned, installing a template according to the concrete boundary of the ultra-flat ground; wherein, the arc-shaped template is provided with two side arc-shaped templates 2, two middle inner arc-shaped templates 3, and four templates in total; wherein, be connected with interior support 4 and interior accent 6 in between the interior arc template 3, the outside of twice side arc template 2 is connected with side and supports 5 and the accent 7 in the side.
Sixthly, for the part of the concrete beam body 8 on the upper part of the overhaul foundation pit, which belongs to the ultra-flat ground, a beam support frame 9, a beam connecting piece 10 and a beam adjusting piece 11 connected with the upper part of the beam support frame 9 are erected at the bottom of a template of the beam body 8; for the wall body 13 belonging to the ultra-flat ground, a wall support body 14, a wall connecting piece 15 and a wall adjusting piece 16 at the upper part of the wall support body 14 are erected on the side surface of the wall body 13; and (3) reserving the post-cast strip on the ultra-flat ground, and connecting a post-cast strip support member 20 and a post-cast strip adjusting member 22 outside a post-cast strip template 23, wherein the post-cast strip support member 20 is connected with the post-cast strip steel bar planting 21.
As shown in fig. 10, after the post-cast strip concrete body 24 is demolded, a sling 19 is reserved; if the edge of the post-cast strip concrete body 24 is broken and damaged by falling, treating the joint of the last post-cast strip concrete body 24 before the next super-flat ground concrete construction; drawing a straight line 20-30mm away from the edge of the concrete body 24 of the post-cast strip, cutting the straight line by a cutting machine for 30mm, and further chiseling the concrete body by a hammer and an iron chisel for 70mm to form a chiseling area 25; after cleaning, before pouring concrete, soaking in water and coating with interface agent, and then carrying out subsequent construction.
Seventhly, rechecking the elevation of the template again before pouring the concrete in the template to ensure that the template meets the design requirement; in rainy season, the lower advantage of the base layer of the ultra-flat ground is utilized, and rainwater is discharged to peripheral drainage ditches or water collecting wells through water pumps; thereby completing the concrete pouring construction of the ultra-flat ground in the side arc-shaped formwork 2.
In this embodiment, in the steps one to seven, the template is measured and rechecked; the engineering measurement work can be subdivided into 7 times, mainly based on the control elevation, and the method comprises the following contents: 1) the unit segment construction obtains a segment construction elevation point from the datum point; 2) measuring the elevation of the formwork for the first time, rechecking after finishing supporting, and not modifying; 3) and (4) carrying out template elevation rechecking before the concrete is poured, and not according with the correction. 4) Monitoring the elevation of the template during the concrete pouring, observing and monitoring along with the concrete pouring direction, and correcting and reinforcing treatment in time if the deformation is larger than 1 mm; 5) after the concrete is poured, carrying out template elevation rechecking, and carrying out reinforcement treatment if the concrete is deformed; 6) monitoring and rechecking the elevation of the template before initial setting, and immediately correcting and reinforcing when the deformation is larger than 0.8 mm; 7) and (3) monitoring and rechecking the elevation of the template during the concrete finishing period, immediately correcting and reinforcing if the deformation is larger than 0.8mm, and keeping the abrasion depth of the surface-treated concrete surface not to exceed 0.20 mm until the end and the test of an abrasion tester.
Furthermore, for the measurement point placement and measurement instrument selection: because the construction site is wide, the construction sections are divided more, the arrangement of the guide point positions is reduced as much as possible, and the increase of accumulated errors caused by frequent change of the guide points is avoided. Four sides of a building are provided with 4 guide points, and a precise alignment instrument is used for measurement.
In the embodiment, the deviation of the installation template is not more than 13 mm; when the template is perpendicular to the template for measurement, the difference of the heights of the left template and the right template is not more than 1.8 mm; when the template is measured vertically, the difference of the heights of any two adjacent templates is not more than 1.6 mm; any form is inclined no more than 2mm over a length of 3000 mm.
In this example, the control of the concrete raw material: selecting low-hydration-heat ordinary Portland cement P42.5, controlling the particle size of coarse aggregate, wherein the sand is medium coarse river sand, and cleaning all aggregates to reduce the mud content and the organic matter content. The test fitting is carried out before construction, so that the workability meets the requirements of site construction, the concrete transportation time is strictly controlled, and the slump and the air content are tested after the concrete is transported to the site, so that the concrete can not meet the requirements uniformly. The main technical characteristics, parameters and indexes of the poured concrete are selected as follows: the concrete slump can not exceed 127 mm; the air content of the concrete is not more than 3.0 percent; the particle size of the coarse aggregate is 5-25 mm, and the maximum particle size is not more than 25 mm; the sand is medium sand, the type of the sand is natural yellow sand or pebble machine-made sand, and a stone crusher is not used for making the sand; the water-cement ratio is not more than 0.50; no fly ash or other mineral powder is added; wear resistance: the surface-treated concrete surface must not have a wear depth of more than 0.20 mm when tested after 28 days with the Chaplin wear tester.
In the embodiment, the flatness design requirement of the concrete on the ultra-flat ground is as follows, and when the concrete is measured in a direction perpendicular to the driving direction, the height difference between the left driving track and the right driving track is not more than 2.7 mm; the height difference between the left and right running tracks is not changed by more than 1mm when the carrier travels along the riding track every 300 mm; the height difference between the left and right running tracks can not change by more than 3.6 mm when the carrier travels along the riding track every 2.4 m; when measured according to the advancing direction, the height difference between any two points which are separated by 300mm does not exceed 0.8 mm; when measured in the traveling direction, the difference in elevation between any two points at a distance of 300mm does not vary by more than 0.8mm per 25mm of travel of the vehicle along the ride.
In this embodiment, the concrete surface requires a tolerance of more than 15%, and grinding is used, and if more than 15%, the concrete surface is removed and replaced. After the flatness is detected, if unqualified high points exist, grinding treatment is needed; firstly, finding out the specific position of the unqualified high point according to the curve of the flatness report, then, rechecking through a level gauge, determining the unqualified high point, and marking on the ground at intervals of 150 mm; grinding by using a grinder according to the mark, rechecking by using a level gauge after grinding, and grinding again until the ground height reaches the required height; the individual points or the points at the joint are ground by a 230-degree angle grinder, so that the flatness of the peripheral qualified points is prevented from being damaged when a large-scale grinder is used for grinding.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be considered by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention.

Claims (10)

1. The utility model provides a template connection structure on high strength curve super flat ground, a serial communication port, contain super flat ground bottom structure (1), connect twice side arc template (2) on super flat ground bottom structure (1), connect between twice side arc template (2) and be located twice interior arc template (3) on super flat ground bottom structure (1), connect side arc template (2) outside side support (5), connect and transfer piece (7) on the side at side support (5) top, and connect in interior support (4) between twice interior arc template (3) and connect in interior transfer piece (6) at interior support (4) top.
2. The formwork connecting structure for a high-strength curved ultra-flat ground as claimed in claim 1, wherein the inner support (4) comprises a vertical support connected with a vertical rod pre-embedded in the ultra-flat ground bottom structure (1), a horizontal support vertically connected with the vertical support, and an inclined support connected between the vertical support and the ultra-flat ground bottom structure (1); the inner upper adjusting piece (6) comprises an inner upper fixing piece (61) connected with the top of a vertical support in the inner support (4), an inner upper adjusting piece (62) connected to the inner upper fixing piece (61), an inner upper baffle plate (64) adjustably connected between the inner upper adjusting piece (62) and the inner arc-shaped template (3), and an inner upper quick and easy closing net (63) connected below the inner upper baffle plate (64) and located between the inner upper adjusting piece (62) and the inner arc-shaped template (3).
3. The formwork connecting structure for the high-strength curved ultra-flat ground as claimed in claim 2, wherein the side support (5) comprises a side vertical support (53) connected with a vertical rod pre-embedded in the ultra-flat ground bottom structure (1), a cross support vertically connected with the side vertical support (53), and a side diagonal support (51) connected between the side vertical support (53) and the ultra-flat ground bottom structure (1); the side upper adjusting part (7) comprises a side upper fixing part (71) connected with the top of a side vertical support (53) in the side support (5), a side upper adjusting part (72) connected to the inner upper fixing part (61), an inner upper baffle (64) and a side upper second baffle (75) which are adjustably connected between the side upper adjusting part (72) and the side arc-shaped template (2), and a side upper quick and easy closing net (73) which is connected below the side upper first baffle (74) and the side upper second baffle (75) and is positioned between the side upper adjusting part (72) and the side arc-shaped template (2).
4. A formwork connection structure for a high strength curved ultra-flat ground as claimed in claim 3, wherein the inner top panel (64), the first side panel (74) and the second side panel (75) are all plate members or angle members, wherein the shape of the angle members is adapted to the straight line segment of the side arch form or the inner arch form, and the shape of the plate members is adapted to the arc segment of the side arch form or the inner arch form.
5. The formwork connecting structure for the high-strength curved ultra-flat ground as claimed in claim 1, further comprising a beam body (8) at the foundation pit, beam support frames (9) connected to both sides of the beam body (8), a beam connecting member (10) connected between the beam support frames (9) and the ultra-flat ground bottom structure (1), a beam adjusting member (11) connected to the top of the beam support frames (9), and a beam formwork (12) connecting the beam support frames (9) and the beam body (8).
6. The formwork connecting structure for the high-strength curved ultra-flat ground as claimed in claim 5, wherein the beam support frame (9) comprises a beam vertical support connected with a vertical rod member pre-embedded in the bottom structure (1) of the ultra-flat ground, and a beam transverse support vertically connected to the beam vertical support; wherein, a batten is connected between the beam transverse bracket at the top and the bottom template of the beam body (8);
the beam connecting piece (10) comprises a beam connecting vertical rod, a beam connecting transverse rod and a beam oblique connecting rod, wherein the beam connecting vertical rod is vertically connected to the top beam transverse support and is positioned on two sides of the beam body (8), the beam connecting transverse rod is connected to the top beam transverse support in parallel and is positioned at the bottom of the beam body (8), and the beam oblique connecting rod is arranged between the beam connecting vertical rod and the beam connecting transverse rod;
the beam adjusting piece (11) comprises a beam adjusting rod connected with the beam connecting vertical rod, a beam baffle connected to the beam adjusting rod and a beam fast and easy closing net located between the beam connecting vertical rod and a side template of the beam body (8) and located below the beam baffle.
7. The formwork connection structure for a high-strength curved ultra-flat ground according to claim 1, further comprising a wall body (13), a wall support (14) connected to an outer side of the wall body (13), a wall connecting member (15) connected between the wall support (14) and the wall body (13), a wall adjusting member (16) connected above the wall connecting member (15), and a wall embedded member (17) connected between the wall support (14) and the wall body (13).
8. The formwork connecting structure for a high-strength curved ultra-flat ground as claimed in claim 7, wherein the wall supporting body (14) comprises a wall vertical bracket connected with a vertical rod member pre-embedded in the ultra-flat ground bottom structure (1), a wall transverse bracket vertically connected to the wall vertical bracket, and a wall inclined bracket connected between the wall transverse bracket and the ultra-flat ground bottom structure (1);
the wall connecting piece (15) comprises a beam connecting vertical rod, a wall connecting transverse rod and a beam-inclined connecting rod, wherein the beam connecting vertical rod is vertically connected to the top wall transverse support and is positioned outside the wall body (13), the wall connecting transverse rod is connected to the top wall transverse support in parallel and is positioned at the top of the wall body (13), and the beam-inclined connecting rod is arranged between the wall connecting vertical rod and the wall connecting transverse rod;
the wall adjusting piece (16) comprises a wall adjusting rod connected with the wall connecting vertical rod, a wall baffle connected to the wall adjusting rod and a wall quick and easy closing net which is positioned below the wall baffle and between the wall connecting vertical rod and the wall template (18);
the wall embedded part (17) is connected to the top of the wall body (13) and is in bolt connection with the wall template (18).
9. The formwork connecting structure for a high-strength curved ultra-flat ground according to claim 1, further comprising a post-cast strip concrete body (24), a post-cast strip support member (20) connected to the outer side of the post-cast strip formwork (23) of the post-cast strip concrete body (24), a post-cast strip adjusting member (22) connected above the post-cast strip support member (20), and post-cast strip planting ribs (21) connected between the post-cast strip support member (20) and the ultra-flat ground bottom structure (1);
the post-cast strip support piece (20) comprises a post-cast strip vertical support connected with a pre-embedded vertical rod piece in the bottom structure (1) of the ultra-flat ground, a post-cast strip transverse support vertically connected with the post-cast strip vertical support, and a post-cast strip inclined support connected between the post-cast strip transverse support and the bottom structure (1) of the ultra-flat ground;
the post-cast strip adjusting piece (22) comprises a wall adjusting rod connected with a post-cast strip connecting vertical rod, a post-cast strip baffle connected to the post-cast strip adjusting rod, and a post-cast strip fast and easy closing net located between the post-cast strip connecting vertical rod and the post-cast strip template (23) and located below the post-cast strip baffle.
10. The formwork connection structure for a high-strength curved ultra-flat ground according to claim 1, wherein the height deviation of the side arch formwork (2), the inner arch formwork (3), the beam formwork (12), the wall formwork (18) and the post-cast strip formwork (23) from the design height is not more than 13 mm; when the measurement is carried out perpendicular to each template, the difference of the heights of the left template and the right template is not more than 1.8 mm; when the gauge height difference of any two adjacent side templates is measured perpendicular to the templates, the gauge height difference of any two adjacent side templates cannot exceed 1.6 mm; any form is inclined no more than 2mm over a length of 3000 mm.
CN202021565578.9U 2020-07-31 2020-07-31 Template connection structure on high-strength curve ultra-flat ground Expired - Fee Related CN212984489U (en)

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JP2021002764U JP3234188U (en) 2020-07-31 2021-07-15 High-strength curve Formwork connection structure on ultra-flat ground

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CN114809592B (en) * 2022-05-19 2024-03-29 中建五局第三建设(深圳)有限公司 Construction method for advanced water stop of post-pouring strip of outer wall
CN117306855B (en) * 2023-11-28 2024-02-23 中国二十二冶集团有限公司 Wall form supporting device and using method
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CN116517122A (en) * 2023-07-03 2023-08-01 北京建工集团有限责任公司 Curve fixing structure of high-precision large embedded part and monitoring construction method
CN116517122B (en) * 2023-07-03 2023-09-22 北京建工集团有限责任公司 Curve fixing structure of high-precision large embedded part and monitoring construction method

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