CN109208790A - Circular arc shear wall single side formwork construction method - Google Patents
Circular arc shear wall single side formwork construction method Download PDFInfo
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- CN109208790A CN109208790A CN201811150699.4A CN201811150699A CN109208790A CN 109208790 A CN109208790 A CN 109208790A CN 201811150699 A CN201811150699 A CN 201811150699A CN 109208790 A CN109208790 A CN 109208790A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/84—Walls made by casting, pouring, or tamping in situ
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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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
- E04G11/062—Forms for curved walls
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
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- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention discloses circular arc shear wall single side formwork construction methods, belong to construction engineering technical field；This method includes surveying setting-out, reinforcement installation, the production of circular arc wall form, circle curve template assembling is fixed, outboard template bottom is fixed, bracket is set up, 8 steps of concreting and form removal and support.The present invention reduces formwork edge joint by using large form, reduces the template assembly time, accelerates speed of application；Using the customization circle curve template of steel plastic combined shuttering system, reduce circular arc degree, perpendicularity deviation, improves construction quality；Situations such as bottom is fixed using Screw arbor with nut at both-ends and after lower layer side's item compresses, and enhances the stability of template, reduces template displacement, avoid exterior wall bottom spillage, surface irregularity, the mould that rises, faulting of slab ends generation；Wall triangle steel pipe truss system is fixed using steel pipe, fastener and template reinforcing bar back cord, and control template inclination improves safety；Steel moulds large form and the recycling of triangle steel pipe truss system, energy conservation and environmental protection reduce cost.
Description
Technical field
The invention belongs to construction engineering technical fields, and in particular to circular arc shear wall single side formwork construction method.
Background technique
With progress of the epoch, many buildings all start design model, more such as circular arc shear wall to highlight advantage
It is applied to modern architecture, has brought completely new visual enjoyment.But circular arc shear wall with also being applied to engineering
Work brings many difficulties and inconvenience, main to show template and its supported design and install more complex；Concrete pouring construction is tired
Difficulty etc..And conventional construction method is to use sizing arc punching block and arc square steel or steel pipe horizontal stupefied as formwork system, construction cost
Height, punching block are low with horizontal stupefied secondary use rate；Shear wall when vibrating head is inserted into, is easy by reinforcing bar since there are tilt angles
Interference, underthrust is more difficult in place, easily causes the problems such as vibrating leakiness；Circular arc degree and verticality are difficult to control, mould when concreting
Plate support force is unbalanced, and template is difficult to fix, and quick-fried mould, spillage, faulting of slab ends and other issues easily occurs.Therefore need to invent it is a kind of at
This is low, and radian is accurate, and concreting speed is fast and guarantees the construction method of construction quality.
Summary of the invention
The purpose of the present invention is to provide circular arc shear wall single side formwork construction methods, to solve circle in conventional construction method
Arc shears single side formwork wall circular arc degree and verticality is difficult to control, and shuttering supporting power is unbalanced when concreting, and template is difficult to solid
It is fixed, easily there is the technical issues of quick-fried mould, spillage, faulting of slab ends.
In order to achieve the above objectives, the invention adopts the following technical scheme:
Circular arc shear wall single side formwork construction method, including the production of surveying setting-out, reinforcement installation, circular arc wall form, circle curve template
Assembling is fixed, outboard template bottom is fixed, bracket is set up, concreting and form removal and support, it is characterised in that specific
Include the following steps:
1) surveying setting-out: calculating the coordinate position of every axis and circular arc in length and breadth using AutoCAD software, using etc. divided it is round
The method of arc vertex tangent seeks tangent line to the vertical range of circular arc, makees circular curve to ask；
2) corresponding wall radius pre-bending reinforcement installation: is pressed after circular arc shear wall main reinforcement blanking used；Circular arc shear wall stirrup is tied up
It has bound concrete protective layer pad when bundle together, and has respectively welded on wall main reinforcement bottom, middle part, top wide with wall section together
The positioning bar dowel of degree, prevents template from shifting；
3) circular arc wall form makes: outboard template uses arc-shaped steel form, and it is below big to be spliced into one piece of height 5m with bolt
Template, arc-shaped steel form is assembled on the ground, is installed using integral hoisting large form；Inner side template uses plastic formwork
Assembly, the template being assembled into are consistent with the height of outboard template；
4) circle curve template assembling is fixed: circular arc shear wall formwork uses steel plastic combined shuttering system, by steel exterior sheathing and plastics
Template reinforces assembled formation by steel pipe, reinforcing bar and Screw arbor with nut at both-ends；It is interior it is stupefied use steel pipe, it is stupefied outside outside to use circular arc steel pipe, it is interior
It is stupefied outside side to use circular thread reinforcing bar, according to stupefied outside circular arc shear wall radian production Circular Steel pipe, reinforcing bar；When drilling screw hole,
Direction is unified, and towards the center of circle, high unity is forbidden tiltedly to bore, the deviation and distortion of circular arc wall sectional dimension when avoiding causing to reinforce,
Screw arbor with nut at both-ends puts on pvc pipe, and convenient for removing Screw arbor with nut at both-ends, Screw arbor with nut at both-ends tightens connection, adjusts side template radian and verticality；It will
It after the mouth wall sideline good with preparatory bullet is aligned under template, is installed in place, it is ensured that template is installed in place, will not spillage；Adjusting template
Back cord and diagonal brace make template inward slant 4~6mm, preferably 5mm suitable for reading, in case unilateral support system stress hypsokinesis；
5) outboard template bottom is fixed: during formwork reinforcement, the pre-buried Screw arbor with nut at both-ends in floor, and fixed bolster plate lower end；
Side template bottom will be compressed with 50mm × 100mm lumps of wood at next layer of wall original Screw arbor with nut at both-ends；
6) bracket is set up: being poured when smashing floor, is first calculated accurately close to the upright bar position of diagonal brace support for shuttering at wallboard, pour in floorslab concrete
Pre-buried 25 spiral of Φ before building, horizontal space 800mm are partly embedded into mixed hereinafter, spiral is welded and fixed with floor bar
Solidifying soil；Spiral exsertion part housing upright bar；Triangle steel pipe truss vertical rod sleeve above, sweep the floor bar by setting vertical, horizontal, as
The fulcrum of down tube；It is connect using two or more Φ 48 × 3.5mm steel pipe diagonal brace fastener with inner side template steel pipe, it is horizontal
Spacing is the same as pre-buried spiral；Upright bar adds diagonal brace steel pipe and horizontal steel tube to form single side formwork fastener type triangle steel pipe truss body
System；Template triangle steel pipe truss system individually supports, and is not connected with floor slab formerecting frame, and two support for shuttering is avoided to be displaced and mutual shadow
It rings；Exposed steel bar is cut off after the completion of construction；
7) concreting
In order to facilitate when constructing and reducing concreting from drop height degree, when each casting concrete will placement layer by layer, often
It is 590~610mm that layer, which pours height, and preferably 600mm forbids one-time-concreting excessively high；Use plug-in type vibrating stick time of vibration
For 15~30s, do not sunk with concrete surface, surface bubble-free is degree, and secondary multiple vibration is carried out after 20~30min；It vibrates
It is closely knit, the phenomenon that preventing tomography, be layered；Quality Inspector and carpenter need to check the change of template with hanging to hang down in concreting process
Shape situation, to correct template deviation at any time；After pouring, covered with plastic film；
8) form removal and support
Form removable segmentation, piecemeal carry out；The diagonal brace rod piece and part of horizontal bar of wall are removed after concrete final set；When wall is mixed
After solidifying soil reaches regulation strength of mould stripping, and when guaranteeing that newly pour surface of wall and corner angle does not cause damage because of demoulding, remove complete
Portion's support and template；The template and accessory removed scoops out transmitting by special messenger, stacks by designated place, and accomplishes to clear up in time, tie up
It repairs and applies and brush interleaving agent, in case using again；Reinforce maintenance after concrete removal.
The circular arc shear wall single side formwork construction method, it is characterised in that outboard template uses thickness in step 3)
6mm or more, height 1.5m arc-shaped steel form below are spliced into one piece of height 5m large form below with bolt；Interior side form
Plate is assembled using thickness 18mm plastic formwork.
The circular arc shear wall single side formwork construction method, it is characterised in that in step 4) it is interior it is stupefied using Φ 48 ×
3.5mm steel pipe, horizontal space 250mm or less；It is stupefied outside outside to use 48 × 3.5mm of Φ circular arc steel pipe, stupefied use Φ 18 outside inside
Circular thread reinforcing bar, vertical interval 500mm or less；Screw arbor with nut at both-ends uses Φ 14, horizontal space 500mm or less.
The circular arc shear wall single side formwork construction method, it is characterised in that in step 6) before floor concrete casting
Pre-buried 25 spiral of Φ, spiral length 700mm are welded and fixed, exposed 300mm, Transducers Embedded in Concrete with floor bar
400mm。
The circular arc shear wall single side formwork construction method, it is characterised in that in step 6) outside spiral exsertion part
Upright bar is covered, in the fashionable reinforcing bar for inlaying a slotting Φ 12 by earth anchor reinforcing bar of vertical rod sleeve, is reliably fixed steel pipe with earth anchor reinforcing bar.
The circular arc shear wall single side formwork construction method, it is characterised in that when walls concrete reaches rule in step 8)
After determining strength of mould stripping, and guarantee newly pour surface of wall and corner angle do not cause because of demoulding damage when, remove all support and mould
Plate need to be allowed to loosen, then pull down, must not disorderly pound if template is tighter with concrete binding with wooden spike tapping template.
The present invention sets up into the preferable triangle steel pipe truss of rigidity, the level that exterior wall is transmitted using conventional steel tube fastener
Lateral pressure is reached on reinforcing bar earth anchor by the truss, converts the pressure to ground and the shearing to earth anchor reinforcing bar for horizontal force,
To ensure to balance the lateral pressure transmitted when exterior wall concreting, to guarantee the Forming Quality of exterior wall concrete.
Beneficial effects of the present invention: the present invention reduces formwork edge joint by using large form, reduces the template assembly time,
Accelerate speed of application；Using the customization circle curve template of steel plastic combined shuttering system, reduce circular arc degree, perpendicularity deviation, improves work
Cheng Zhiliang；Bottom is fixed using Screw arbor with nut at both-ends and after lower layer side's item compresses, and enhances the stability of template, reduces template displacement, keep away
Situations such as exempting from exterior wall bottom spillage, surface irregularity, the mould that rises, faulting of slab ends generation；Wall triangle steel pipe truss system uses steel pipe, buckles
Part is fixed with template reinforcing bar back cord, and control template inclination improves safety；Steel moulds large form and triangle steel pipe truss system repeats
It utilizes, increases the number of turnover, energy conservation and environmental protection reduces cost.
Specific embodiment
The invention will be further described with reference to embodiments, but protection scope of the present invention is not limited to that:
Embodiment 1: circular arc shear wall single side formwork construction method specifically comprises the following steps:
1) surveying setting-out: calculating the coordinate position of every axis and circular arc in length and breadth using AutoCAD software, using etc. divided it is round
The method of arc vertex tangent seeks tangent line to the vertical range of circular arc, makees circular curve to ask；
2) corresponding wall radius pre-bending reinforcement installation: is pressed after circular arc shear wall main reinforcement blanking used；Circular arc shear wall stirrup is tied up
It has bound concrete protective layer pad when bundle together, and has respectively welded on wall main reinforcement bottom, middle part, top wide with wall section together
The positioning bar dowel of degree, prevents template from shifting；
3) circular arc wall form makes: outboard template uses thickness 6mm or more, height 1.5m arc-shaped steel form below, uses spiral shell
Bolt is spliced into one piece of height 5m large form below；Arc-shaped steel form is assembled on the ground, using integral hoisting large form into
Row installation；Inner side template is assembled using thickness 18mm plastic formwork, and the template being assembled into is consistent with the height of outboard template；
4) circle curve template assembling is fixed: circular arc shear wall formwork uses steel plastic combined shuttering system, by steel exterior sheathing and plastics
Template reinforces assembled formation by steel pipe, reinforcing bar and screw rod through walls；It is interior stupefied using 48 × 3.5mm of Φ steel pipe, horizontal space 250mm
Hereinafter, stupefied outside outside use 48 × 3.5mm of Φ circular arc steel pipe, stupefied use 18 circular thread reinforcing bar of Φ outside inside is cut according to circular arc
Stupefied outside power wall radian production Circular Steel pipe, reinforcing bar, vertical interval 500mm is hereinafter, Screw arbor with nut at both-ends uses Φ 14, horizontal space
500mm or less；When drilling screw hole, direction is unified, and towards the center of circle, high unity is forbidden tiltedly to bore, circular arc when avoiding causing to reinforce
The deviation and distortion of wall sectional dimension；Screw arbor with nut at both-ends puts on pvc pipe, convenient for removing Screw arbor with nut at both-ends；Screw arbor with nut at both-ends tightens connection, adjusts
Whole side mould radian and verticality；After the wall sideline good with preparatory bullet of mouth under template is aligned, it is installed in place, it is ensured that template is installed to
Position, will not spillage；Adjusting template back cord and diagonal brace make template inward slant 5mm suitable for reading, in case after unilateral support system stress
Incline；
5) outboard template bottom is fixed: during formwork reinforcement, the pre-buried Screw arbor with nut at both-ends in floor, and fixed side form lower end；It will
Side form bottom is compressed with 50mm × 100mm lumps of wood at next layer of wall original Screw arbor with nut at both-ends.
6) bracket is set up: being poured when smashing floor, is first calculated accurately close to the upright bar position of diagonal brace support for shuttering at wallboard, in floor coagulation
Soil pours preceding pre-buried 25 spiral of Φ, and spiral length 700mm, horizontal space 800mm are hereinafter, solid with floor bar welding
It is fixed, exposed 300mm, Transducers Embedded in Concrete 400mm；Screw-thread steel exsertion part housing upright bar；Because upright bar internal diameter is greater than earth anchor reinforcing bar
Diameter, therefore to prevent upright bar from having displacement, in the fashionable reinforcing bar for inlaying a slotting Φ 12 by earth anchor reinforcing bar of vertical rod sleeve, so that steel pipe
It is reliably fixed with earth anchor reinforcing bar；Triangle steel pipe truss vertical rod sleeve is above, and setting vertical, horizontal is swept the floor bar, the branch as down tube
Point；It is connect using two or more Φ 48 × 3.5mm steel pipe diagonal brace fastener with inner side template steel pipe, horizontal space is the same as pre-buried
Spiral；Upright bar adds diagonal brace steel pipe and horizontal steel tube to form single side formwork fastener type triangle steel pipe truss system；Pay attention to template
Triangle steel pipe truss system individually supports, and is not connected with floor slab formerecting frame, avoids two support for shuttering displacements and influences each other；Construction
Exposed steel bar is cut off after the completion；
7) concreting
In order to facilitate when constructing and reducing concreting from drop height degree, when each casting concrete will placement layer by layer, often
It is 600mm that layer, which pours height, forbids one-time-concreting excessively high (easily cause quick-fried mould or vibrate and do not meet again)；It is shaken using plug-in type vibrating stick
The dynamic time is 15~30s, is not sunk with concrete surface, and surface bubble-free is degree, and is carried out after 20~30min secondary multiple
Vibration；Vibration compacting, the phenomenon that preventing tomography, be layered；In concreting process Quality Inspector and carpenter need to through it is common hang it is vertical
The deformation of template is checked, to correct template deviation at any time；After pouring, covered with plastic film；
8) form removal and support
Form removable segmentation, piecemeal carry out；The diagonal brace rod piece and part of horizontal bar of wall are removed after concrete final set；When wall is mixed
After solidifying soil reaches regulation strength of mould stripping, and when guaranteeing that newly pour surface of wall and corner angle does not cause damage because of demoulding, remove complete
Portion's support and template；If template is tighter with concrete binding, it is allowed to loosen with wooden spike tapping template, then pulls down, it must not be random
It pounds；The template and accessory removed scoops out transmitting by special messenger, stacks by designated place, and accomplishes to clear up, repair and apply in time to brush
Interleaving agent, in case using again；It should reinforce conserving after concrete removal.
Claims (6)
1. circular arc shear wall single side formwork construction method, including the production of surveying setting-out, reinforcement installation, circular arc wall form, circular arc mould
Board group dress is fixed, outboard template bottom is fixed, bracket is set up, concreting and form removal and support, it is characterised in that tool
Body includes the following steps:
1) surveying setting-out: calculating the coordinate position of every axis and circular arc in length and breadth using AutoCAD software, using etc. divided it is round
The method of arc vertex tangent seeks tangent line to the vertical range of circular arc, makees circular curve to ask；
2) corresponding wall radius pre-bending reinforcement installation: is pressed after circular arc shear wall main reinforcement blanking used；Circular arc shear wall stirrup is tied up
It has bound concrete protective layer pad when bundle together, and has respectively welded on wall main reinforcement bottom, middle part, top wide with wall section together
The positioning bar dowel of degree, prevents template from shifting；
3) circular arc wall form makes: outboard template uses arc-shaped steel form, and it is below big to be spliced into one piece of height 5m with bolt
Template, arc-shaped steel form is assembled on the ground, is installed using integral hoisting large form；Inner side template uses plastic formwork
Assembly, the template being assembled into are consistent with the height of outboard template；
4) circle curve template assembling is fixed: circular arc shear wall formwork uses steel plastic combined shuttering system, by steel exterior sheathing and plastics
Template reinforces assembled formation by steel pipe, reinforcing bar and Screw arbor with nut at both-ends；It is interior it is stupefied use steel pipe, it is stupefied outside outside to use circular arc steel pipe, it is interior
It is stupefied outside side to use circular thread reinforcing bar, according to stupefied outside circular arc shear wall radian production Circular Steel pipe, reinforcing bar；When drilling screw hole,
Direction is unified, and towards the center of circle, high unity is forbidden tiltedly to bore, the deviation and distortion of circular arc wall sectional dimension when avoiding causing to reinforce,
Screw arbor with nut at both-ends puts on pvc pipe, and convenient for removing Screw arbor with nut at both-ends, Screw arbor with nut at both-ends tightens connection, adjusts side template radian and verticality；It will
It after the mouth wall sideline good with preparatory bullet is aligned under template, is installed in place, it is ensured that template is installed in place, will not spillage；Adjusting template
Back cord and diagonal brace make template inward slant 4~6mm, preferably 5mm suitable for reading, in case unilateral support system stress hypsokinesis；
5) outboard template bottom is fixed: during formwork reinforcement, the pre-buried Screw arbor with nut at both-ends in floor, and fixed bolster plate lower end；
Side template bottom will be compressed with 50mm × 100mm lumps of wood at next layer of wall original Screw arbor with nut at both-ends；
6) bracket is set up: being poured when smashing floor, is first calculated accurately close to the upright bar position of diagonal brace support for shuttering at wallboard, pour in floorslab concrete
Pre-buried 25 spiral of Φ before building, horizontal space 800mm are partly embedded into mixed hereinafter, spiral is welded and fixed with floor bar
Solidifying soil；Spiral exsertion part housing upright bar；Triangle steel pipe truss vertical rod sleeve above, sweep the floor bar by setting vertical, horizontal, as
The fulcrum of down tube；It is connect using two or more Φ 48 × 3.5mm steel pipe diagonal brace fastener with inner side template steel pipe, it is horizontal
Spacing is the same as pre-buried spiral；Upright bar adds diagonal brace steel pipe and horizontal steel tube to form single side formwork fastener type triangle steel pipe truss body
System；Template triangle steel pipe truss system individually supports, and is not connected with floor slab formerecting frame, and two support for shuttering is avoided to be displaced and mutual shadow
It rings；Exposed steel bar is cut off after the completion of construction；
7) concreting
In order to facilitate when constructing and reducing concreting from drop height degree, when each casting concrete will placement layer by layer, often
It is 590~610mm that layer, which pours height, and preferably 600mm forbids one-time-concreting excessively high；Use plug-in type vibrating stick time of vibration
For 15~30s, do not sunk with concrete surface, surface bubble-free is degree, and secondary multiple vibration is carried out after 20~30min；It vibrates
It is closely knit, the phenomenon that preventing tomography, be layered；Quality Inspector and carpenter need to check the change of template with hanging to hang down in concreting process
Shape situation, to correct template deviation at any time；After pouring, covered with plastic film；
8) form removal and support
Form removable segmentation, piecemeal carry out；The diagonal brace rod piece and part of horizontal bar of wall are removed after concrete final set；When wall is mixed
After solidifying soil reaches regulation strength of mould stripping, and when guaranteeing that newly pour surface of wall and corner angle does not cause damage because of demoulding, remove complete
Portion's support and template；The template and accessory removed scoops out transmitting by special messenger, stacks by designated place, and accomplishes to clear up in time, tie up
It repairs and applies and brush interleaving agent, in case using again；Reinforce maintenance after concrete removal.
2. circular arc shear wall single side formwork construction method according to claim 1, it is characterised in that outer side mold in step 3)
Plate uses thickness 6mm or more, height 1.5m arc-shaped steel form below, is spliced into one piece of height 5m big mould below with bolt
Plate；Inner side template is assembled using thickness 18mm plastic formwork.
3. circular arc shear wall single side formwork construction method according to claim 1, it is characterised in that interior in step 4) stupefied to adopt
With Φ 48 × 3.5mm steel pipe, horizontal space 250mm or less；It is stupefied outside outside to use 48 × 3.5mm of Φ circular arc steel pipe, it is stupefied outside inside
Using 18 circular thread reinforcing bar of Φ, vertical interval 500mm or less；Screw arbor with nut at both-ends uses Φ 14, horizontal space 500mm or less.
4. circular arc shear wall single side formwork construction method according to claim 1, it is characterised in that in floor in step 6)
Pre-buried 25 spiral of Φ, spiral length 700mm are welded and fixed, exposed 300mm with floor bar before concreting,
Transducers Embedded in Concrete 400mm.
5. circular arc shear wall single side formwork construction method according to claim 1, it is characterised in that screw-thread steel in step 6)
Muscle exsertion part housing upright bar makes steel pipe and earth anchor steel in the fashionable reinforcing bar for inlaying a slotting Φ 12 by earth anchor reinforcing bar of vertical rod sleeve
Muscle is reliably fixed.
6. circular arc shear wall single side formwork construction method according to claim 1, it is characterised in that work as wall in step 8)
After concrete reaches regulation strength of mould stripping, and guarantee newly pour surface of wall and corner angle do not cause because of demoulding damage when, remove
All support and template need to be allowed to loosen, then pull down, no if template is tighter with concrete binding with wooden spike tapping template
It obtains and disorderly pounds.
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| CN201811150699.4A CN109208790B (en) | 2018-09-29 | 2018-09-29 | Single-side formwork erecting construction method for arc shear wall |
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| CN109681239A (en) * | 2019-01-16 | 2019-04-26 | 北京市政建设集团有限责任公司 | A kind of unearthed tunnel mould bases construction method of shield |
| CN110158943A (en) * | 2019-06-05 | 2019-08-23 | 桂林理工大学 | A kind of clear-water concrete shear wall formwork and to drawing element apparatus |
| CN111395591A (en) * | 2020-04-28 | 2020-07-10 | 广西建工集团第一建筑工程有限责任公司 | Lateral thin-wall arc-shaped circular hole concrete shear wall, support system and construction method |
| CN113944318A (en) * | 2021-11-03 | 2022-01-18 | 上海建工五建集团有限公司 | Steel template reinforcing device, arc-shaped combined shaping steel template and using method thereof |
| CN114541475A (en) * | 2022-01-04 | 2022-05-27 | 中国建筑第八工程局有限公司 | Construction method of irregular-curvature underground outer wall |
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| CN109681239A (en) * | 2019-01-16 | 2019-04-26 | 北京市政建设集团有限责任公司 | A kind of unearthed tunnel mould bases construction method of shield |
| CN110158943A (en) * | 2019-06-05 | 2019-08-23 | 桂林理工大学 | A kind of clear-water concrete shear wall formwork and to drawing element apparatus |
| CN111395591A (en) * | 2020-04-28 | 2020-07-10 | 广西建工集团第一建筑工程有限责任公司 | Lateral thin-wall arc-shaped circular hole concrete shear wall, support system and construction method |
| CN113944318A (en) * | 2021-11-03 | 2022-01-18 | 上海建工五建集团有限公司 | Steel template reinforcing device, arc-shaped combined shaping steel template and using method thereof |
| CN114541475A (en) * | 2022-01-04 | 2022-05-27 | 中国建筑第八工程局有限公司 | Construction method of irregular-curvature underground outer wall |
| CN114541475B (en) * | 2022-01-04 | 2023-07-21 | 中国建筑第八工程局有限公司 | Construction method of irregular curvature underground outer wall |
| CN114575638A (en) * | 2022-03-21 | 2022-06-03 | 中天建设集团有限公司 | Bowl-shaped structure construction process |
| CN114575638B (en) * | 2022-03-21 | 2023-06-23 | 中天建设集团有限公司 | Bowl-shaped structure construction procedure |
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| CN109208790B (en) | 2020-08-11 |
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