CN108331358A - One kind is cast-in-place to build positioning surface level-meter in template wall construction negative and positive angle free of demolition - Google Patents
One kind is cast-in-place to build positioning surface level-meter in template wall construction negative and positive angle free of demolition Download PDFInfo
- Publication number
- CN108331358A CN108331358A CN201810303535.4A CN201810303535A CN108331358A CN 108331358 A CN108331358 A CN 108331358A CN 201810303535 A CN201810303535 A CN 201810303535A CN 108331358 A CN108331358 A CN 108331358A
- Authority
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- China
- Prior art keywords
- column
- external corner
- cast
- inner corner
- corner trim
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000010276 construction Methods 0.000 title claims abstract description 25
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000000178 monomer Substances 0.000 claims description 39
- 230000007306 turnover Effects 0.000 claims description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- 239000004411 aluminium Substances 0.000 claims description 7
- 239000004567 concrete Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000009415 formwork Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000003796 beauty Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- 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
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/18—Adjusting tools; Templates
-
- 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
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/18—Adjusting tools; Templates
- E04G21/1841—Means for positioning building parts or elements
Abstract
It cast-in-place build template wall construction negative and positive angle free of demolition the present invention relates to a kind of and positions surface level-meter, including external corner positioning component, internal corner component, external corner positioning component includes pedestal, pedestal is fixedly connected by ground anchor bolt with ground, by adjusting being bolted support plate above pedestal, there are two external corner columns for support plate upper surface vertical connection, external corner column is equipped with reference plane, two external corner column reference faces are vertical setting, and two reference planes are bonded with cast-in-place two exterior sheathings free of demolition for building building external corner respectively;Inner corner trim positioning component includes pedestal, and the upper surface of pedestal is vertically equipped with inner corner trim column;Adjacent face is vertical reference face on the outside of column, and two reference planes are bonded with cast-in-place two inner templates free of demolition for building building inner corner trim respectively, connection support bar on the other two sides of inner corner trim column, and the lower end of supporting rod connects ground;It is connected with pull rod between external corner column and inner corner trim column.The configuration of the present invention is simple, easy to install and use, raising working efficiency, the verticality for ensureing negative and positive angle.
Description
Technical field
Build template building building technology field free of demolition the invention belongs to cast-in-place, more particularly to it is a kind of it is cast-in-place build it is free of demolition
Template wall construction positions surface level-meter with negative and positive angle.
Background technology
With the development of Technological Economy, in building field, architecture quality is required to be continuously improved, awareness of creating excellent works constantly increases
By force, wherein concreting molding is important construction content and later stage Decorating Project in main structural engineering construction
Basis, quality directly influences the safety and quality of building.At present in reinforced concrete frame structure, shear wall knot
In the construction of the vertical structures such as structure and framed-tube structure, vertical formwork design is carried out first, vertical knot is crowded around with individual several glued board
Structure shape simultaneously is vertically ranked sequentially to form frame-type typified form, then adds square-section in the glued back of typified form
Back cord, and on the outside of rectangular back cord reinforcing is crowded around with double steel pipe.Main problem existing for existing typified form is in the straight of template
The lids mouths such as angle negative and positive angular position generally use, but such plank bridging arrangement is used, due to there is no fixed reinforcing member, glued board
Easily displacement, causes that the right angle negative and positive angular position of concrete structure is not upright, not straight, section torsional deformation is difficult to control, in addition,
Easily rise mould when concrete cast, and piece is not easy running pulp sternly, keeps the not full influence in negative and positive angle beautiful.
With the development of building template, occur in the market it is a kind of it is cast-in-place build non-dismantling formwork, using this kind of template instead of biography
System template is built, and non-dismantling formwork of building cast-in-place at present has many advantages, such as that design and construction are technically simple, is easy to be widely applied,
In market extensive use, using this kind of cast-in-place non-dismantling formwork of building in construction, the positioning of principal security template and levelling,
Especially negative and positive Angle Position;Design one kind is cast-in-place thus builds positioning surface level-meter in template wall construction negative and positive angle free of demolition.
Invention content
The present invention for solve technical problem present in known technology provide it is a kind of it is simple in structure, easy to install and use,
It improves working efficiency, the verticality for ensureing negative and positive angle, reduction the cast-in-place of labor intensity and builds template wall construction negative and positive free of demolition
Angle positions surface level-meter.
The present invention is adopted the technical scheme that solve technical problem present in known technology:
One kind is cast-in-place to build positioning surface level-meter in template wall construction negative and positive angle free of demolition, it is characterised in that:It is fixed including external corner
Hyte part, internal corner component, the external corner positioning component include pedestal, support plate and external corner column, and the pedestal passes through earth anchor
Bolt is fixedly connected with ground, and by adjusting support plate is bolted, the upper surface of the support plate is hung down for the top of the pedestal
Direct-connected to connect there are two external corner column, the external corner column is equipped with reference plane, and two external corner column reference faces are vertical setting, and two
A reference plane is bonded with cast-in-place two exterior sheathings free of demolition for building building external corner respectively;The inner corner trim positioning component includes pedestal,
The upper surface in face on the basis of the lower surface of the pedestal, the pedestal is vertically equipped with inner corner trim column;It is adjacent on the outside of the column
Face is vertical reference face, and two reference planes are bonded with cast-in-place two inner templates free of demolition for building building inner corner trim respectively, the inner corner trim
The lower end of connection support bar on the other two sides of column, the supporting rod connects ground;The external corner column and inner corner trim are vertical
Pull rod is connected between column.
The present invention can also use following technical measures:
It is mounted on level meter on the external corner column and inner corner trim column.
The external corner column and inner corner trim column are equipped with groove, and turnover panel, the inside of the turnover panel are equipped on the groove
Face is installed by level meter.
It is installed on the external corner column and inner corner trim column and throws wire type infrared ray gradienter.
Mounting bracket on the external corner column and inner corner trim column is equipped on the bracket and throws wire type infrared ray gradienter.
The external corner column uses segmented splicing construction, is formed by several external corner column sequential concatenations, external corner column list
One end of body is equipped with plug, and the other end of external corner column monomer is equipped with slot, the plug and slot of adjacent external corner column monomer
Inserting cooperation, and fixed by fastener bolt.
The inner corner trim column uses segmented splicing construction, is formed by several inner corner trim column sequential concatenations, inner corner trim column list
One end of body is equipped with plug, and the other end of inner corner trim column monomer is equipped with slot, the plug and slot of adjacent inner corner trim column monomer
Inserting cooperation, and fixed by fastener bolt.
The external corner column uses telescopic structure, is inserted by several external corner column monomer sequences, adjacent external corner
It is fixed by fastening bolt between column monomer;The external corner column monomer includes datum plate and c-type main body, the outer end of datum plate
The datum plate in face on the basis of face, each external corner column monomer is in the same plane.
The inner corner trim column uses telescopic structure, is inserted by several inner corner trim column monomer sequences, adjacent inner corner trim
It is fixed by fastening bolt between column monomer;The inner corner trim column monomer includes datum plate and c-type main body, the outer end of datum plate
The datum plate in face on the basis of face, each inner corner trim column monomer is in the same plane.
The inner corner trim column is identical with the structure of external corner column to be all made of rectangle aluminium profile structure, four of the aluminium section bar
Side is datum plane, is equipped with sliding slot on each side.
The invention has the advantages and positive effects that:It is positioned and is reinforced using negative and positive angle provided by the invention, actually applied
The stitching portion of inner template and exterior sheathing negative and positive angular position is positioned and fixed during work, is effectively prevent template to shift, is especially constructed
In, keep the negative and positive angular position of concrete structure upright, straight;Vertical structure section torsional deformation is avoided, and prevents concrete from pouring
Rise mould when note, ensures piece tightly not running pulp, it is not out of shape to reach the full beauty in negative and positive angle;Negative and positive angle of the present invention bracing means has
It is versatile, convenient to use, can flexible assembling, be convenient to mount and dismount, intensity is high, rigidity is big, dimensional accuracy is high, seam is tight,
Assemble fast advantage;The present invention device may be reused, and the number of turnover is more, turnover rate is high, energy conservation and environmental protection;The present invention uses
The device can make the concrete primary Cheng You of vertical structure impression quality, speed up the work to reduce engineering cost, this hair
The level meter or far infrared level meter of bright arranging further increase the application range of the present invention, meet the need of different building requirements
It wants.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention;
Fig. 2 and Fig. 3 is stereogram of the present invention;
Fig. 4 is that external corner positioning component and inner corner trim positioning component use assembled structure schematic diagram;
Fig. 5 is that external corner positioning component and inner corner trim positioning component use telescopic structure schematic diagram;
Fig. 6 is that external corner positioning component and inner corner trim positioning component use aluminium profile structure schematic diagram;
Fig. 7 is level meter mounting structure schematic diagram;
Fig. 8 is infrared ray gradienter mounting structure schematic diagram.
In figure:1, external corner positioning component;1-1, pedestal;1-2, support plate;1-3, external corner column;1-30, datum plate;1-
31, c-type main body;1-4, ground anchor bolt;1-5, exterior sheathing free of demolition;1-6, groove;1-7, turnover panel;1-8, plug;1-9, slot;
1-10, fastener bolt;2, inner corner trim positioning component;2-1, pedestal;2-2, inner corner trim column;2-3, supporting rod;2-4, it is free of demolition in
Template;2-5, pull rod;3, ground;4, level meter;5, infrared ray gradienter;6, bracket.
Specific implementation mode
In order to further understand the content, features and effects of the present invention, the following examples are hereby given, and coordinate attached drawing
Detailed description are as follows:
It please refers to Fig.1 to Fig.3, one kind is cast-in-place to build positioning surface level-meter in template wall construction negative and positive angle free of demolition, including sun
Angle positioning component 1, internal corner component 2, the external corner positioning component include pedestal 1-1, support plate 1-2 and external corner column 1-3,
The pedestal 1-1 is fixedly connected by ground anchor bolt with ground 3, and the top of the pedestal supports by adjusting bolt 1-4 connections
Plate, the adjustment bolt component can be used for the leveling of support plate on the one hand for carrying support plate, the support plate
Upper surface vertical connection there are two external corner column 1-3, the external corner column is equipped with reference plane, two external corner column reference faces
It is vertical setting, two reference planes are bonded with the cast-in-place exterior sheathing 1-5 free of demolition of build building external corner two respectively;The inner corner trim is fixed
Hyte part 2 includes pedestal 2-1, and on the basis of the lower surface of the pedestal face, and the upper surface of the pedestal is vertically equipped with inner corner trim column
2-2;Adjacent face is vertical reference face on the outside of the column, and two reference planes are exempted to tear open with cast-in-place build building inner corner trim two respectively
It unloads inner template 2-4 to be bonded, connection support bar 2-3 on the other two sides of the inner corner trim column, the lower end of the supporting rod connects
It is grounded base 3;In order to ensure to be connected between external corner column and inner corner trim column, the stabilization of external corner positioning component 1, internal corner component 2 is improved
Property, it is connected with pull rod 2-5 between the external corner column and inner corner trim column;The setting height of pull rod is typically slightly above and pours height
Degree, what needs to be explained here is that, due to general 3 meters or so of wall height, in order to reduce manufacture difficulty, the difficulty of construction of template,
It is poured in short transverse generally use segmented in cast-in-place build, the quality of the wall not only ensured in this way simultaneously but also reduces construction
The manufacture difficulty of difficulty and template free of demolition.
The present invention can also use following technical measures:
In order to improve installation accuracy, level meter 4 is mounted on the external corner column and inner corner trim column, the level meter can
Think air-bubble level, horizon rule or vertical etc..
Above-mentioned level meter collides with after transport or centering in order to prevent, and the external corner column and inner corner trim column are equipped with
Groove 1-6, turnover panel 1-7 is equipped on the groove, and the medial surface of the turnover panel installs level meter 4, please refers to Fig. 7.
It is fixed on the external corner column and inner corner trim column in order to detect the flatness of exterior wall or interior wall non-dismantling formwork assembly
It is equipped with and throws wire type infrared ray gradienter 5, please refer to Fig. 8.
It pours to meet actual segment formula and throws wire type infrared ray gradienter and use upper and lower adjustable structure, it is specific described
Mounting bracket 6 on external corner column and inner corner trim column is equipped on the bracket and throws wire type infrared ray gradienter 5.
Referring to Fig. 4, in order to meet practice of construction needs, difficulty of construction is reduced, the external corner column 1-3 uses segmented
Splicing construction is formed by several external corner column sequential concatenations, and one end of external corner column monomer is equipped with plug 1-8, external corner column list
The other end of body is equipped with slot 1-9, and plug and the slot inserting of adjacent external corner column monomer coordinate, and pass through fastener bolt
1-10 is fixed.
Similarly, the inner corner trim column uses segmented splicing construction, and structure is identical as external corner vertical column expanding formula structure, by counting
A inner corner trim column sequential concatenation forms, and one end of inner corner trim column monomer is equipped with plug, and the other end of inner corner trim column monomer, which is equipped with, to be inserted
Slot, plug and the slot inserting of adjacent inner corner trim column monomer coordinate, and are fixed by fastener bolt.
In addition, referring to Fig. 5, the external corner column 1-3 can also use telescopic structure, by several external corner column monomers
Sequence inserts, and is fixed by fastening bolt between adjacent external corner column monomer;The external corner column monomer includes benchmark
Plate 1-30 and c-type main body 1-31, face on the basis of the outer end face of datum plate, the datum plate of each external corner column monomer are located at same flat
On face.
The inner corner trim column can also use telescopic structure, and structure is identical as external corner vertical column expanding formula structure, by several
Inner corner trim column monomer sequence inserts, and is fixed by fastening bolt between adjacent inner corner trim column monomer;The inner corner trim column
Monomer includes datum plate and c-type main body, face on the basis of the outer end face of datum plate, and the datum plate of each inner corner trim column monomer is located at same
In one plane.
In addition, referring to Fig. 6, the inner corner trim column is identical with the structure of external corner column to be all made of rectangle aluminium profile structure,
Four sides of the aluminium section bar are datum plane, are equipped with sliding slot on each side, in spliced two adjacent the moon
Two inner corner trim columns or external corner column are stitched together by installation connecting element in sliding slot between corner post or external corner column;Wherein
Sliding block can be installed in sliding slot, the bracket for placing infrared ray gradienter is connected outside sliding block.
It is positioned and is reinforced using negative and positive angle provided by the invention, inner template and exterior sheathing negative and positive corner during practice of construction
The stitching portion of position is positioned and fixed, and template is effectively prevent to shift, and in especially constructing, makes the negative and positive angular position side of concrete structure
Just, straight;Rise mould when avoiding vertical structure section torsional deformation, and preventing concrete from pouring into a mould, and ensures piece tightly not running pulp, reaches
It is not out of shape to the full beauty in negative and positive angle;Negative and positive angle of the present invention bracing means have it is versatile, convenient to use, can be flexible group
It fills, be convenient to mount and dismount, the advantage that intensity is high, rigidity is big, dimensional accuracy is high, seam is tight, assembling is fast;The present invention device can weigh
Multiple to use, the number of turnover is more, turnover rate is high, energy conservation and environmental protection;The present invention can make concrete vertical structure perception using the device
The primary Cheng You of quality, speeds up the work to reduce engineering cost, the level meter or far infrared level meter that the present invention is arranged
The application range for further increasing the present invention, meets the needs of different building requirements.
The above is only the preferred embodiments of the present invention, and is not intended to limit the present invention in any form,
Every any simple modification made to the above embodiment according to the technical essence of the invention, equivalent variations and modification, belong to
In the range of technical solution of the present invention.
Claims (10)
1. one kind is cast-in-place to build positioning surface level-meter in template wall construction negative and positive angle free of demolition, it is characterised in that:It is positioned including external corner
Component, internal corner component, the external corner positioning component include pedestal, support plate and external corner column, and the pedestal passes through earth anchor spiral shell
Bolt is fixedly connected with ground, and by adjusting support plate is bolted, the upper surface of the support plate is vertical for the top of the pedestal
There are two external corner column, the external corner columns to be equipped with reference plane for connection, and two external corner column reference faces are vertical setting, two
Reference plane is bonded with cast-in-place two exterior sheathings free of demolition for building building external corner respectively;The inner corner trim positioning component includes pedestal, institute
Face on the basis of the lower surface of pedestal is stated, the upper surface of the pedestal is vertically equipped with inner corner trim column;Adjacent face on the outside of the column
For vertical reference face, two reference planes are bonded with cast-in-place two inner templates free of demolition for building building inner corner trim respectively, and the inner corner trim is vertical
The lower end of connection support bar on the other two sides of column, the supporting rod connects ground;The external corner column and inner corner trim column
Between be connected with pull rod.
2. cast-in-place building negative and positive angle of building according to claim 1 positions surface level-meter, it is characterised in that:The external corner column and
It is mounted on level meter on inner corner trim column.
3. cast-in-place building negative and positive angle of building according to claim 1 positions surface level-meter, it is characterised in that:The external corner column and
Inner corner trim column is equipped with groove, and turnover panel is equipped on the groove, and the medial surface of the turnover panel installs level meter.
4. cast-in-place building negative and positive angle of building according to claim 1 positions surface level-meter, it is characterised in that:The external corner column and
It is installed on inner corner trim column and throws wire type infrared ray gradienter.
5. cast-in-place building negative and positive angle of building according to claim 1 positions surface level-meter, it is characterised in that:The external corner column and
Mounting bracket on inner corner trim column is equipped on the bracket and throws wire type infrared ray gradienter.
6. cast-in-place building negative and positive angle of building according to claim 1 positions surface level-meter, it is characterised in that:The external corner column is adopted
It with segmented splicing construction, is formed by several external corner column sequential concatenations, one end of external corner column monomer is equipped with plug, and external corner is vertical
The other end of column monomer is equipped with slot, and plug and the slot inserting of adjacent external corner column monomer coordinate, and pass through fastener spiral shell
Bolt is fixed.
7. cast-in-place building negative and positive angle of building according to claim 1 positions surface level-meter, it is characterised in that:The inner corner trim column is adopted
It with segmented splicing construction, is formed by several inner corner trim column sequential concatenations, one end of inner corner trim column monomer is equipped with plug, and inner corner trim is vertical
The other end of column monomer is equipped with slot, and plug and the slot inserting of adjacent inner corner trim column monomer coordinate, and pass through fastener spiral shell
Bolt is fixed.
8. cast-in-place building negative and positive angle of building according to claim 1 positions surface level-meter, it is characterised in that:The external corner column is adopted
It with telescopic structure, is inserted by several external corner column monomer sequences, by fastening spiral shell between adjacent external corner column monomer
Bolt is fixed;The external corner column monomer includes datum plate and c-type main body, face on the basis of the outer end face of datum plate, and each external corner is vertical
The datum plate of column monomer is in the same plane.
9. cast-in-place building negative and positive angle of building according to claim 1 positions surface level-meter, it is characterised in that:The inner corner trim column is adopted
It with telescopic structure, is inserted by several inner corner trim column monomer sequences, by fastening spiral shell between adjacent inner corner trim column monomer
Bolt is fixed;The inner corner trim column monomer includes datum plate and c-type main body, face on the basis of the outer end face of datum plate, and each inner corner trim is vertical
The datum plate of column monomer is in the same plane.
10. cast-in-place building negative and positive angle of building according to claim 1 positions surface level-meter, it is characterised in that:The inner corner trim column
Identical with the structure of external corner column to be all made of rectangle aluminium profile structure, four sides of the aluminium section bar are datum plane,
It is equipped with sliding slot on each side.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810303535.4A CN108331358B (en) | 2018-04-07 | 2018-04-07 | Yin-yang angle positioning leveling instrument for cast-in-situ building disassembly-free template wall construction |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810303535.4A CN108331358B (en) | 2018-04-07 | 2018-04-07 | Yin-yang angle positioning leveling instrument for cast-in-situ building disassembly-free template wall construction |
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Publication Number | Publication Date |
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CN108331358A true CN108331358A (en) | 2018-07-27 |
CN108331358B CN108331358B (en) | 2023-11-17 |
Family
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CN201810303535.4A Active CN108331358B (en) | 2018-04-07 | 2018-04-07 | Yin-yang angle positioning leveling instrument for cast-in-situ building disassembly-free template wall construction |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112459465A (en) * | 2020-11-26 | 2021-03-09 | 晟通科技集团有限公司 | Formwork combination and formwork combination construction method |
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CN204983634U (en) * | 2015-07-13 | 2016-01-20 | 江苏南通三建集团有限公司 | Y shape split bolt reinforced structure of waterproof position concrete wall bight form setting |
CN208184248U (en) * | 2018-04-07 | 2018-12-04 | 廊坊卓锐建材有限公司 | One kind is cast-in-place to build positioning surface level-meter in template wall construction yin-yang angle free of demolition |
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GB617153A (en) * | 1945-03-31 | 1949-02-02 | Farrans Ltd | Improvements in or relating to shuttering for the construction of walls |
US5088578A (en) * | 1989-06-12 | 1992-02-18 | Gates & Sons, Inc. | Movable support mechanism for construction of elevator shafts and the like |
CN2218222Y (en) * | 1995-05-19 | 1996-01-24 | 中国建筑科学研究院模板工程部 | Large-size angle adjustable formwork |
CN2489023Y (en) * | 2001-07-05 | 2002-05-01 | 王振功 | High precision universal combined big shuttering |
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CN108331358B (en) | 2023-11-17 |
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