CN108643557A - Environment-friendly type floor reserves post-cast strip mold - Google Patents

Environment-friendly type floor reserves post-cast strip mold Download PDF

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Publication number
CN108643557A
CN108643557A CN201810685730.8A CN201810685730A CN108643557A CN 108643557 A CN108643557 A CN 108643557A CN 201810685730 A CN201810685730 A CN 201810685730A CN 108643557 A CN108643557 A CN 108643557A
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CN
China
Prior art keywords
mold
environment
cast strip
along portion
post
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.)
Granted
Application number
CN201810685730.8A
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Chinese (zh)
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CN108643557B (en
Inventor
谢继义
张振洋
张超阳
王虎
张世桥
高炯
逯广晶
张松涛
杨宾宾
廖志勇
梁智斌
李鹏
郑俊涛
蔡旭
靳航
杜经宇
王辉
董凯歌
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No1 Building Engineering Co Of Henan Province
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No1 Building Engineering Co Of Henan Province
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Priority to CN201810685730.8A priority Critical patent/CN108643557B/en
Publication of CN108643557A publication Critical patent/CN108643557A/en
Application granted granted Critical
Publication of CN108643557B publication Critical patent/CN108643557B/en
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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/36Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G13/00Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Abstract

The invention discloses a kind of environment-friendly type floors to reserve post-cast strip mold, including at least a pair of of C-shaped strip component, C-shaped strip component include upside along portion, vertical part, downside along portion, it is equipped with the first gap upwardly extended and through upside along portion on the top of vertical part, the second gap extended downwardly and through downside along portion is equipped in the lower part of vertical part;In use, the notch of the pair of C-shaped strip component is oppositely arranged, and equipped with the spacing for pouring post-cast strip.It is mainly used for:It is easy to use with excellent vertical stand-up effect.

Description

Environment-friendly type floor reserves post-cast strip mold
Technical field
The present invention relates to the templates of building special part, and in particular to a kind of reserved post-cast strip mould of environment-friendly type floor Tool.
Background technology
It is to prevent monolithic reinforced concrete structure since autogenous shrinkage is uneven or settles not that post-cast strip, which is in construction, Issuable harmful cracks, according to design or job specfication requirement, structural slab, wall, beam corresponding position stay set it is certain The temporary construction of thickness stitches.If structure is temporarily divided into stem portion by post-cast strip, shunk by component inside, after some time It pours again and smashes the construction joint concrete, structure is linked to be to whole area.When pouring the time and preferably selecting temperature relatively low of post-cast strip, can With the concrete for mixing swelling agent, strength grade should level-one higher than component strength, prevent crack occur between New-old concrete, make At weak part.
Being disclosed in the Chinese patent literature CN206655470U on November 21st, 2017, to describe a kind of floor slab back casting band fast Form removal, including comb teeth shape steel plate, movable sealing plate, reinforcing bar of putting more energy into, dies plate tap bolt, shuttering supporting support fastening bolt.Add Strength reinforcing bar point is welded on movable sealing plate, the deformation for reducing movable sealing plate;The comb teeth shape steel plate and movable sealing plate of same specification are each A pair fits together to form a set of template by dies plate tap bolt, and comb teeth shape steel plate and movable sealing plate can slide over each other;Mould Often set template matches two for plate support, is made by angle steel, can be by supporting fastening bolt to adjust support distances.The technical solution structure Complexity, cost of manufacture is high, inconvenient to use.
In the art, the fishback that floor reserves post-cast strip mold is mostly plank, the reason is that, first, plank Light weight, conveniently install and use;Second, the thickness of plank is usually 20-30mm, and there is feel in when use, holds by convenient;The Three, plank can be fixed by screw, iron nail etc, is easily installed.In above-mentioned floor slab back casting band Quick Release template, although its Comb teeth shape steel plate is used, comb teeth shape steel plate, dies plate tap bolt are assembled integrally, just makes steel plate that there is above-mentioned plank Advantage.
Invention content
The goal of the invention of the present invention is to provide a kind of reserved post-cast strip mold of environment-friendly type floor, to solve that profit can be repeated Post-cast strip is complicated with mould structure, making or use cost are high, problem inconvenient for use.
In order to solve the above technical problems, the present invention adopts the following technical scheme that:
Design a kind of reserved post-cast strip mold of environment-friendly type floor, including at least a pair of of C-shaped strip component, C-shaped strip component packet Upside is included along portion, vertical part, downside along portion, the first gap upwardly extended and through upside along portion is equipped on the top of vertical part, The lower part of vertical part is equipped with the second gap extended downwardly and through downside along portion;In use, the slot of the pair of C-shaped strip component Mouth is oppositely arranged, and equipped with the spacing for pouring post-cast strip.
Compared with prior art, the beneficial effects of the invention are as follows:Using the c-type strip component with downside edge, environment-friendly type Floor, which reserves post-cast strip mold, has excellent vertical stand-up effect, easy to use.
Preferably, sealing mold is connected on the vertical part, sealing mold is separately positioned on the upside along portion perpendicular The both sides in portion.By additional sealing mold, band water sealing structure can be poured out by reserving post-cast strip mold using environment-friendly type floor Floor.
Further, the upside is integrally formed along portion, vertical part, sealing mold, downside along portion.
Further, the upside along portion, vertical part, sealing mold, downside along portion by sheet metal metal plate(Flanging)Molding, Then the first gap and the second gap are arranged by cutting mode.
In this way, the reserved post-cast strip of the environment-friendly type floor is with the advantageous effect that mold increases newly:(1)Stull, structure is omitted Simply, there is excellent vertical stand-up effect, and(Upside is along portion)It is easy to use convenient for holding;(2)Sealing template, upside edge Portion, downside have the effect of ribs along portion, can increase mould strength;(3)The floor poured out has water sealing structure; (4)It can reuse, flanging making can be realized using folding brake and use cost is low, and wooden burn failure is not present Garbage disposal problem afterwards;(5)The reserved post-cast strip for overcoming log scale making is only capable of reusing 3 defects with mold, The reserved post-cast strip mould structure of environment-friendly type floor is reasonable, makes simply, lightly, easy to operate, can reuse, cost It is low.
Further, the C-shaped strip component is C-type steel, and the sealing mold is angle steel, and the opening of angle steel is towards c-type Two sidelines of steel, the angle steel are fixedly connected with C-type steel.
Further, the outer surface of the C-type steel and the angle steel is equipped with corrosion protective covering.
Further, the corrosion protective covering is one kind in antirust paint covering, plastic envelope.
Further, width of the upside along portion is 15-20mm, and width of the downside along portion is 40-50mm, institute The mm of the thickness of C-type steel >=1.5 is stated, the length of C-type steel is 1000-1500mm.
In this way, the reserved post-cast strip of the environment-friendly type floor is with the advantageous effect that mold increases newly:(1)It is wanted meeting mould strength Under conditions of asking, the weight that environment-friendly type floor reserves post-cast strip mold is suitable, is easy to use.
Preferably, it is additionally provided with reinforcing rib in the notch of the C-shaped strip component.
Preferably, further include anti-overflow rib;In use, first gap is used to house the top bars in floor, it is described Second gap is used to house lower layer's reinforcing bar in floor, and the anti-overflow rib fits in the vertical part setting in top bars and described Upside is relatively fixed setting between portion, and with the C-shaped strip component, and/or, the anti-overflow rib fits in the vertical part and sets It sets in lower layer's reinforcing bar and the downside between portion, and setting is relatively fixed with the C-shaped strip component.
In this way, the reserved post-cast strip of the environment-friendly type floor is with the advantageous effect that mold increases newly:(1)It is strong mold can be increased Degree, and the excessive of concrete can be avoided, concrete material loss is reduced, building waste is reduced.
Preferably, it is equipped with mounting hole for installing fastener in portion along portion and the downside in the upside, passes through Fastener fixes the C-shaped strip component.
Description of the drawings
Fig. 1 is the front view for the embodiment 1 that a kind of environment-friendly type floor of the present invention reserves post-cast strip mold.
Fig. 2 is the sectional view of the A-A hatchings along Fig. 1.
Fig. 3 is a kind of vertical view of the C-shaped strip component of the reserved post-cast strip mold of environment-friendly type floor in embodiment 1.
Fig. 4 is the front view for the embodiment 2 that a kind of environment-friendly type floor of the present invention reserves post-cast strip mold.
Fig. 5 is a kind of vertical view of the C-shaped strip component of the reserved post-cast strip mold of environment-friendly type floor in embodiment 2.
Fig. 6 is the front view for the embodiment 3 that a kind of environment-friendly type floor of the present invention reserves post-cast strip mold.
Fig. 7 is the front view for the embodiment 4 that a kind of environment-friendly type floor of the present invention reserves post-cast strip mold.
In figure, 11 be left concrete floor slab placement area, and 12 be reserved post-cast strip, and 13 be right concrete floor slab placement area, and 14 be longitudinal reinforcement, 15 For transverse steel, 16 be end template, and 2 be C-shaped strip component, and 21 be upside along portion, and 211 be gap, and 22 be vertical part, and 23 be downside Along portion, 231 be gap, and 3 be stull, and 4 be sealing mold, and 5 be fastener, and 6 be anti-overflow rib.
Specific implementation mode
Illustrate the specific implementation mode of the present invention with reference to the accompanying drawings and examples, but following embodiment is used only in detail It describes the bright present invention in detail, does not limit the scope of the invention in any way.
In the following embodiments, it is reserved post-cast strip 12 between left concrete floor slab placement area 11 and right concrete floor slab placement area 13, and it is left Transverse steel 15 in concrete floor slab placement area 11, reserved post-cast strip 12, right concrete floor slab placement area 13 is continuous entirety, longitudinal reinforcement 14 For connecting transverse steel 15 to form the reinforcing bar bone structure in concrete.When casting concrete, left concrete floor slab placement need to be first poured Area 11 and right concrete floor slab placement area 13, the then casting concrete in reserved post-cast strip 12 again.
Embodiment 1:A kind of reserved post-cast strip mold of environment-friendly type floor, referring to Fig. 1-3, including stull 3 and at least a pair of C Shape strip component 2, in the present embodiment, it includes upside along portion 21, vertical part that C-shaped strip component, which selects C-type steel, C-shaped strip component 2, 22, downside is equipped with the gap 211 upwardly extended and through upside along portion 21 on the top of vertical part 22, in vertical part 22 along portion 23 Lower part is equipped with the gap 231 extended downwardly and through downside along portion 23, and gap 211 is used to house the top bars in floor, slit Mouth 231 is for housing lower layer's reinforcing bar in floor, and therefore, the shape of gap 211 and gap 231 is generally U-shaped, height, position Set, width should be determined according to use environment, the height of vertical part 22 should be determined according to the thickness of floor.In use, two C-shaped strips Component 2 is a pair, and the notch of a pair of of C-shaped strip component 2 is oppositely arranged, and equipped with the spacing for pouring post-cast strip, in this reality It applies in example, the both ends difference apical grafting vertical part 22 of stull 3, to form the spacing for pouring post-cast strip.
In general, width of the upside along portion 21 is 15-20mm, width of the downside along portion 23 is 40-50mm, the height of vertical part For 120mm, the mm of the thickness of C-type steel >=1.5, the length of C-type steel is 1000-1500mm.In the present embodiment, upside is along portion 21 Width be 15mm, width of the downside along portion 23 is 40mm, and the height of vertical part is 120mm, and the thickness of C-type steel is 1.5 mm, c-type The length of steel is 1200mm, in this way, under conditions of meeting mould strength requirement, environment-friendly type floor reserves post-cast strip mould Weight, the suitable length of tool are easy to use.Certainly, those skilled in the art can also be arranged as required to other ginsengs Number.
The environment-friendly type floor reserve post-cast strip mold use process be:By a C-type steel be put into transverse steel 15 it Between, by gap 231 correspond to lower layer transverse steel 15, make downside sink between two longitudinal reinforcements 14 along portion 23, and with bottom Template 16 fits, and then rotates C-type steel, so that the vertical part 22 of C-type steel is in upright state, at this point, the transverse steel on upper layer is set It sets in gap 211, then the C-type steel on opposite is set, and keep the notch of two C-type steels opposite, stull 3 is then put into two Between C-type steel, the both ends of stull 2 is made to abut the riser of two C-type steels respectively.Later simultaneously in left concrete floor slab placement area 11 and You Lou 13 casting concrete of plate pouring area, the concrete strength in Dai Zuo concrete floor slab placements area 11 and right concrete floor slab placement area 13 reach 1.2MPa When neighbouring, remove environment-friendly type floor and reserve post-cast strip mold, then the casting concrete in reserved post-cast strip 12, this is just completed The pouring of reserved post-cast strip floor.
Embodiment 2:A kind of reserved post-cast strip mold of environment-friendly type floor, difference lies in this with embodiment 1 for the present embodiment Sealing mold 4 is set up in embodiment, the effect of sealing mold 4, which is the floor for making to pour out, has water sealing structure, moreover, sealing Mold 4 has the function of ribs, enhances overall stiffness and intensity that environment-friendly type floor reserves post-cast strip mold.And this reality It applies and does not use stull 3 in example and realize that a pair of of C-shaped strip component is equipped with spacing for pouring post-cast strip.
Referring to Fig. 4, sealing mold 4 is connected on vertical part 22, sealing mold 4 is separately positioned on vertical part with upside along portion 21 22 both sides.By additional sealing mold, band water sealing structure can be poured out by reserving post-cast strip mold using environment-friendly type floor Floor.
In the present embodiment, upside is integrally formed along portion 21, vertical part 22, sealing mold 4, downside along portion 23.With reference to figure 4, on Side is plate shape after the expansion of portion 23 along portion 21, vertical part 22, sealing mold 4, downside.A block length square bar is selected in the present embodiment Plate, by sheet metal process, the shape which being bent into Fig. 4.In known realization method, mould can also be used The mode of casting.
Referring to Fig. 4, in the present embodiment, the mounting hole for installing fastener 5 is equipped in portion 23 in downside(It does not draw), C-shaped strip component 2 is fixed on end template 16 by fastener 5.In general, iron nail, screw can be selected in fastener 5.This Sample can also realize that a pair of of C-shaped strip component is equipped with the spacing for pouring post-cast strip.
The environment-friendly type floor, which reserves post-cast strip mold, also to be had:
(1)Stull is omitted, it is simple in structure, there is excellent vertical stand-up effect, and(Upside is along portion)Convenient for holding, user Just;
(2)Sealing template, upside can increase mould strength and rigidity along portion, downside along portion, meet mould strength requirement Under conditions of, weight is suitable, easy to use;
(3)The floor poured out has water sealing structure;
(4)It can reuse, make and use cost is low, and there is no the garbage disposal problems after wooden burn failure.
Embodiment 3:A kind of environment-friendly type floor reserves post-cast strip mold, the present embodiment the difference from example 2 is that, this In embodiment, C-shaped strip component selects C-type steel, C-type steel sheet metal process bending can be used for C-shaped by a block length square plate; Sealing mold 4 selects angle steel, and towards C-type steel, two sidelines of the angle steel are fixedly connected with C-type steel, are fixedly connected the opening of angle steel Mode welding may be used, can also use chemical adhesive bond.
Embodiment 4:A kind of reserved post-cast strip mold of environment-friendly type floor, the present embodiment and the difference of embodiment 1,2 or 3 exist In in the present embodiment, having set up anti-overflow rib 6, effect is to avoid concrete outflow out of gap 211 or gap 231, another A effect is that have the effect of reinforcing rib.Anti-overflow rib 6 can be wood strip;For being improved on the basis of embodiment 2, referring to figure 7, in use, gap 211 is used to house the top bars in floor, gap 231 is used to house lower layer's reinforcing bar in floor, anti-overflow Rib 6 fits in the setting of vertical part 22 and is relatively fixed setting between portion 21, and with C-shaped strip component 2 in top bars and upside, And/or anti-overflow rib 6 fits in vertical part 22 and is arranged in lower layer's reinforcing bar and downside between portion 23, and it is opposite with C-shaped strip component 2 Fixed setting.
The environment-friendly type floor, which reserves post-cast strip mold, also to be had:Using anti-overflow rib, mould strength can be increased, and can The excessive of concrete is avoided, concrete material loss is reduced, reduces building waste.
Due in example 2, the peace for installing fastener 5 is had been provided with along portion 21 and downside in portion 22 in upside Hole is filled, in upside along portion 21, anti-overflow rib 6 can be fixed on upside in portion 21 by fastener 5, in downside along portion 23 Place, can add row's mounting hole, and anti-overflow rib 6 is fixed on downside in portion 21 again by fastener 5, can also be such as Fig. 7 In, anti-overflow rib 6 is limited by fastener 5, can also realize that anti-overflow rib 6 is relatively fixed with C-shaped strip component 2 in this way and set It sets.
In the aforementioned embodiment, since steel material is easily by oxidation corrosion, can also as needed in C-shaped strip component and The outer surface of sealing mold is equipped with corrosion protective covering, and corrosion protective covering can select antirust paint covering, plastic envelope.Particularly, Since upside is integrally formed along portion 21, vertical part 22, sealing mold 4, downside along portion 23 in embodiment 2, sealing mold 4 and vertical part There is no that can accommodate gap, the space of foreign matter between 22, therefore, antioxidant anticorrosive effect is compared with being excellent in embodiment 3.
In the aforementioned embodiment, can also reinforcing rib be set on C-shaped strip component 2 as needed(It does not draw).Particularly, When reinforcing rib is set up in improvement on the basis of embodiment 4, it should be noted that avoid reinforcing rib from mutually conflicting with the setting of anti-overflow rib 6, it is anti-overflow Rib 6 can not fit in vertical part 22.
It should be understood that the C-shaped strip component in above-described embodiment is not limited in C-type steel, can be iron, aluminium, copper etc. Metal material or other disclosure satisfy that are reused and with the material for needing intensity.The intensity of aviation aluminium is higher, lighter weight, It is also a kind of preferably candidate materials.
The present invention is described in detail above in conjunction with drawings and examples, still, those of skill in the art Member is it is understood that without departing from the purpose of the present invention, can also carry out each design parameter in above-described embodiment Change, forms multiple specific embodiments, is the common variation range of the present invention, is no longer described in detail one by one herein.

Claims (10)

1. a kind of environment-friendly type floor reserves post-cast strip mold, characterized in that including at least a pair of of C-shaped strip component, C-shaped strip Component includes upside along portion, vertical part, downside along portion, is equipped on the top of vertical part and upwardly extends and slit along the first of portion through upside Mouthful, the second gap extended downwardly and through downside along portion is equipped in the lower part of vertical part;In use, the pair of C-shaped strip structure The notch of part is oppositely arranged, and equipped with the spacing for pouring post-cast strip.
2. environment-friendly type floor as described in claim 1 reserves post-cast strip mold, characterized in that be connected on the vertical part Sealing mold, sealing mold are separately positioned on the both sides of vertical part with the upside along portion.
3. environment-friendly type floor as claimed in claim 2 reserves post-cast strip mold, characterized in that the upside along portion, vertical part, Sealing mold, downside are integrally formed along portion.
4. environment-friendly type floor as claimed in claim 3 reserves post-cast strip mold, characterized in that the upside along portion, vertical part, Sealing mold, downside are along portion by steel plate sheet-metal formed.
5. environment-friendly type floor as claimed in claim 2 reserves post-cast strip mold, characterized in that the C-shaped strip component is C Shaped steel, the sealing mold are angle steel, and towards C-type steel, two sidelines of the angle steel are fixedly connected the opening of angle steel with C-type steel.
6. environment-friendly type floor as claimed in claim 5 reserves post-cast strip mold, characterized in that the C-type steel and the angle The outer surface of steel is equipped with corrosion protective covering.
7. environment-friendly type floor as claimed in claim 4 reserves post-cast strip mold, characterized in that width of the upside along portion Degree is 15-20mm, and width of the downside along portion is 40-50mm, the mm of the thickness of the C-type steel >=1.5, and the length of C-type steel is 1000-1500mm。
8. environment-friendly type floor as described in claim 1 reserves post-cast strip mold, characterized in that in the C-shaped strip component Notch in be additionally provided with reinforcing rib.
9. the environment-friendly type floor as described in any one of claim 1-8 reserves post-cast strip mold, characterized in that further include preventing Overflow rib;In use, first gap is used to house the top bars in floor, second gap is for housing in floor Lower layer's reinforcing bar, the anti-overflow rib fit in the vertical part and are arranged in top bars and the upside between portion, and with the C-shaped Strip component is relatively fixed setting, and/or, the anti-overflow rib fits in the vertical part and is arranged in lower layer's reinforcing bar and the downside edge Between portion, and setting is relatively fixed with the C-shaped strip component.
10. the environment-friendly type floor as described in any one of claim 1-8 reserves post-cast strip mold, characterized in that described Upside is equipped with the mounting hole for installing fastener along portion and the downside along portion, and the C-shaped strip is fixed by fastener Component.
CN201810685730.8A 2018-06-28 2018-06-28 Environment-friendly floor reservation post-cast strip mold Active CN108643557B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109610815A (en) * 2019-01-24 2019-04-12 福建省南铝铝模科技有限公司 A kind of anti-bank template in building settlement position and its casting method

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Publication number Priority date Publication date Assignee Title
CN2778920Y (en) * 2004-12-31 2006-05-10 郑兆宏 Laying type double opening beam buckling trammel tenacity supporting device
EP2785918A1 (en) * 2011-11-24 2014-10-08 Shaun Spurrell Apparatus forming an edge of a concrete floor
CN204266583U (en) * 2014-11-28 2015-04-15 中国建筑第五工程局有限公司 Side, the ater-casting formwork system of shear wall or floor
CN204676608U (en) * 2015-04-23 2015-09-30 五冶集团上海有限公司 A kind of template-setup structure reserving ater-casting for basement wall
CN206396795U (en) * 2017-01-12 2017-08-11 建华建材(江苏)有限公司 Prefabricated assembled underground pipe gallery
CN208594743U (en) * 2018-06-28 2019-03-12 河南省第一建筑工程集团有限责任公司 Environment-friendly type floor reserves post-cast strip mold

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2778920Y (en) * 2004-12-31 2006-05-10 郑兆宏 Laying type double opening beam buckling trammel tenacity supporting device
EP2785918A1 (en) * 2011-11-24 2014-10-08 Shaun Spurrell Apparatus forming an edge of a concrete floor
CN204266583U (en) * 2014-11-28 2015-04-15 中国建筑第五工程局有限公司 Side, the ater-casting formwork system of shear wall or floor
CN204676608U (en) * 2015-04-23 2015-09-30 五冶集团上海有限公司 A kind of template-setup structure reserving ater-casting for basement wall
CN206396795U (en) * 2017-01-12 2017-08-11 建华建材(江苏)有限公司 Prefabricated assembled underground pipe gallery
CN208594743U (en) * 2018-06-28 2019-03-12 河南省第一建筑工程集团有限责任公司 Environment-friendly type floor reserves post-cast strip mold

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109610815A (en) * 2019-01-24 2019-04-12 福建省南铝铝模科技有限公司 A kind of anti-bank template in building settlement position and its casting method

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