[go: up one dir, main page]

CN109577557A - The bar frame of concrete slab - Google Patents

The bar frame of concrete slab Download PDF

Info

Publication number
CN109577557A
CN109577557A CN201811517642.3A CN201811517642A CN109577557A CN 109577557 A CN109577557 A CN 109577557A CN 201811517642 A CN201811517642 A CN 201811517642A CN 109577557 A CN109577557 A CN 109577557A
Authority
CN
China
Prior art keywords
fashioned iron
concrete slab
bar frame
locking
locking assembly
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.)
Pending
Application number
CN201811517642.3A
Other languages
Chinese (zh)
Inventor
尹芬芳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Yixing Building Co Ltd
Original Assignee
Hunan Yixing Building Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hunan Yixing Building Co Ltd filed Critical Hunan Yixing Building Co Ltd
Priority to CN201811517642.3A priority Critical patent/CN109577557A/en
Publication of CN109577557A publication Critical patent/CN109577557A/en
Pending legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/01Reinforcing elements of metal, e.g. with non-structural coatings
    • E04C5/06Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/01Reinforcing elements of metal, e.g. with non-structural coatings
    • E04C5/06Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
    • E04C5/0627Three-dimensional reinforcements composed of a prefabricated reinforcing mat combined with reinforcing elements protruding out of the plane of the mat
    • 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

Landscapes

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

Abstract

The present invention relates to a kind of bar frames of concrete slab.The bar frame of concrete slab includes multiple fashioned iron, multiple locking assemblies and steel mesh, and the opposite end of each fashioned iron is fixedly connected in structural beams, and multiple fashioned iron are laid along the longitudinally interval of structural beams, and steel mesh is layed on multiple fashioned iron;Each locking assembly one end is connected to fashioned iron, and the other end is pierced by downwards concrete slab, for the end template that is locked.The bar frame of above-mentioned concrete slab, end template is locked in the fashioned iron of bar frame using the locking assembly of bar frame, it does not need to need that full hall steel pipe scaffold or other support frames is arranged in the lower section of end template as in the state of the art, when demoulding, the locking of locking assembly and end template need to be only released, end template can fall off naturally, greatly reduce die-filling and demoulding workload, construction period is shortened, construction cost is advantageously reduced.

Description

The bar frame of concrete slab
Technical field
The present invention relates to technical field of building construction, more particularly to a kind of bar frame of concrete slab.
Background technique
Bed die is one kind of form work engineering.Cheng Qian is crossed in concrete engineering construction, it is necessary to carry out installing mould to construction object Plate, for the structure being horizontally oriented, such as beam, floor, stair, balcony etc., it needs to install bed die.
Generally, bed die can be plank sheathing, aluminum alloy pattern plate, steel form etc..In order to support fixed bed die, need below bed die Hall steel pipe scaffold or other support frames are largely expired in setting, to be supported fixation to bed die.Therefore, in die-filling and demoulding When, the dress of support frame tears heavy workload open, needs largely manually, to increase construction cost.
Summary of the invention
Based on this, it is necessary to for need to be arranged below bed die in the prior art largely completely hall steel pipe scaffold or its His support frame, leads to the dress of support frame, tears heavy workload open, need it is a large amount of artificial, so that the problem of increasing construction cost, mentions For a kind of bar frame of concrete slab for improving drawbacks described above.
The bar frame of concrete slab, including multiple fashioned iron, multiple locking assemblies and steel mesh, each fashioned iron Opposite end is fixedly connected in structural beams, and the multiple fashioned iron is laid along the longitudinally interval of the structural beams, the steel Muscle net laying is set on multiple fashioned iron;
Each described locking assembly one end is connected to the fashioned iron, and the other end is pierced by downwards the concrete slab, to be used for Be locked end template.
The bar frame of above-mentioned concrete slab, the opposite end of fashioned iron are fixedly connected on structural beams, and steel mesh is laid with and type On steel, type steel support steel mesh is utilized.Locking assembly one end is connected to fashioned iron, and the other end is pierced by downwards concrete slab, with The end template to form the concrete slab is poured in being locked.In this way, the locking assembly using bar frame locks end template It is fixed on the fashioned iron of bar frame, does not need to need that full hall steel pipe feet hand is arranged in the lower section of end template as in the state of the art Frame or other support frames when demoulding, need to only release the locking of locking assembly and end template, and end template can fall off naturally, significantly Reduce die-filling and demoulding workload, shortens construction period, advantageously reduce construction cost.
In one embodiment, the steel mesh is fixedly connected with the fashioned iron.In this way, steel mesh and each fashioned iron are consolidated Surely it links into an integrated entity, is conducive to the structural stability of reinforcing steel bar rack.
In one embodiment, the steel mesh and the fashioned iron are welded to connect.
In one embodiment, the fashioned iron is C-type steel.In this way, the bending strength due to C-type steel is good, it is conducive to provide The safety of steel wire net rack.
In one embodiment, the locking assembly includes locking member and the first matching piece, and the locking member is arranged in institute Fashioned iron setting is stated, first matching piece is connected to one end that the locking member is piercing in above the fashioned iron, by the lock Tight part is fixedly connected on the fashioned iron.In this way, realizing the connection of locking member and fashioned iron by the first matching piece.
In one embodiment, the locking assembly further includes the second matching piece, and the locking member runs through the bed die, institute The second matching piece is stated to be removably attachable to one end that the locking member is located at below the bed die, the bed die be lock onto The fashioned iron.In this way, passing through dismountable connection of the second matching piece and locking member, being locked for bed die is realized.
In one embodiment, the opposite end of each fashioned iron passes through fastener and is fixedly connected on structural beams.
In one embodiment, the fastener is self-tapping screw or bolt.
In one embodiment, the fashioned iron and the fastener are welded to connect.In this way, preventing fashioned iron and structural beams from occurring It loosens.
In one embodiment, each fashioned iron is provided with multiple locking assemblies, the multiple locking assembly edge It lays at the longitudinally interval of the corresponding fashioned iron.It is locked in this way, being conducive to enhance to end template.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the bar frame of the concrete slab in one embodiment of the invention;
Fig. 2 is the bar frame of concrete slab shown in FIG. 1 and the assembling structure schematic diagram of bed die;
Fig. 3 is the assembling structure schematic diagram of the fashioned iron and structural beams in the bar frame of concrete slab shown in FIG. 1.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing Give preferred embodiment of the invention.But the invention can be realized in many different forms, however it is not limited to herein Described embodiment.On the contrary, purpose of providing these embodiments is keeps the understanding to the disclosure more saturating It is thorough comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ", " right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases Any and all combinations of the listed item of pass.
Fig. 1 shows the structural schematic diagram of the bar frame of the concrete slab in an embodiment of the present invention.Fig. 2 shows The bar frame of concrete slab shown in FIG. 1 and the assembling structure schematic diagram of bed die.Fig. 3 shows concrete slab shown in FIG. 1 Bar frame in fashioned iron and structural beams assembling structure schematic diagram.For ease of description, attached drawing illustrates only and phase of the present invention The structure of pass.
As shown in Figure 1, Figure 2 and Figure 3, the bar frame of the concrete slab 100 provided in one embodiment of the invention, the reinforcing bar Rack is embedded in advance in concrete slab 100, to enhance the intensity of concrete slab 100.The bar frame includes multiple fashioned iron 10, multiple Locking assembly 20 and steel mesh 30.The opposite end of each fashioned iron 10 is fixedly connected in structural beams 200 (see Fig. 3), so that Structural beams 200 play a supporting role to fashioned iron 10.Multiple fashioned iron 10 are laid along the longitudinally interval of structural beams 200, steel mesh 30 are layed in the top of multiple fashioned iron 10.
One end of each locking assembly 20 is connected to fashioned iron 10, and the other end is pierced by downwards concrete slab 100, for locking Fixed end template 300, the end template 300 is for pouring to form concrete slab 100.
The bar frame of above-mentioned concrete slab 100, the opposite end of fashioned iron 10 are fixedly connected on structural beams 200, steel mesh 30 are layed on fashioned iron 10, utilize 10 spacer bar net 30 of fashioned iron.20 one end of locking assembly is connected to fashioned iron 10, the other end to Under be pierced by concrete slab 100, to pour the end template 300 to form the concrete slab 100 for being locked.In this way, utilizing steel End template 300 is locked in the fashioned iron 10 of bar frame by the locking assembly 20 of muscle rack, do not need as in the prior art that Sample needs only release locking assembly in the full hall steel pipe scaffold of the lower section of end template 300 setting or other support frames, demoulding 20 can fall off naturally with the locking of end template 300, end template 300, greatly reduce die-filling and demoulding workload, shorten Construction period advantageously reduces construction cost.
It should be understood that the bar frame of concrete slab 100 of the invention, since locking assembly 20 can be by end template 300 It is locked in fashioned iron 10, therefore does not need that full hall steel pipe scaffold or other support frames are arranged on the downside of end template 300, thus Convenient for checking the security situation for pouring situation and die structure of concrete, die-filling, demoulding labor intensity is reduced, is reduced The accessories dosage such as iron nail, iron wire, bolt, fastener, release agent reduces generated building rubbish during die-filling and demoulding Rubbish meets green construction requirement.
In the embodiment of the present invention, each fashioned iron 10 is correspondingly arranged on multiple locking assemblies 20, multiple 20 edges of locking assembly It lays at the longitudinally interval of corresponding fashioned iron 10.In this way, being conducive to enhance being locked to end template 300.
In the embodiment of the present invention, steel mesh 30 is fixedly connected with fashioned iron 10.In this way, by steel mesh 30 and each fashioned iron 10 It is fixedly connected integrally, is conducive to the structural stability of reinforcing steel bar rack.
Specific in one embodiment, steel mesh 30 and fashioned iron 10 are welded to connect.Optionally, spot welding can be used by steel mesh 30 are fixedly connected with fashioned iron 10.
Specific in one embodiment, the bar diameter of steel mesh 30 is 5mm to 10mm, and size of mesh opening is that (100mm is extremely 200mm) × (100mm to 200mm).
Specific in one embodiment, fashioned iron is C-type steel.In this way, the bending strength due to C-type steel is good, be conducive to improve The safety of bar frame.Optionally, fashioned iron 10 can be galvanized alloy C-type steel.Specific in one embodiment, fashioned iron 10 is height For degree having a size of 30mm to 120mm, width dimensions are 30mm to 120mm, with a thickness of 3mm to 6mm, flanging width dimensions be 10mm extremely The C-type steel of 30mm.
In the embodiment of the present invention, locking assembly 20 includes that locking member 22 and the first matching piece 26, locking member 22 are arranged in Fashioned iron 10 is arranged, and the first matching piece 26 is connected to one end that locking member 22 is piercing in 10 top of fashioned iron, and locking member 22 is fixed It is connected to fashioned iron 10.In this way, realizing the connection of locking member Yu fashioned iron 10 by the first matching piece 26.
In some embodiments, locking assembly 20 further includes the second matching piece 24, and locking member 22 runs through bed die 300, and second matches Component 24 is removably attachable to one end that locking member 22 is located at 300 lower section of bed die, and bed die 300 is lock onto fashioned iron 10.Such as This realizes being locked for bed die 300 by the detachably connected of the second matching piece 24 and locking member 22.
It should be noted that backing out the second matching piece 24 first when demoulding, end template 300 falls off naturally.Then using cutting Tool is cut, the part that locking member 22 is piercing in 100 downside of concrete slab is cut off, to complete demoulding.
Specific in embodiment, the first matching piece 26 and the second matching piece 24 can be used with locking member 22 and be threadedly coupled.Such as This is mounted and dismounted convenient and efficient using threaded connection.Optionally, locking member 22 is screw rod, and the first matching piece 26 and second is matched Component 24 can be butterfly wing nut.In this way, screw rod and butterfly wing nut are standard component, can select as the case may be different Specification is conducive to save cost.
It is shown in Figure 2, in order to increase the forced area of end template 300, prevent end template 300 from deforming, in a reality It applies in example, is additionally provided with bed die fashioned iron 28 in the lower section of end template 300, one end that locking member 22 extends downwardly sequentially passes through bed die Plate 300 and bed die fashioned iron 28, and it is detachably connected with the second matching piece 24, bed die fashioned iron 28 and bed die 300 are locked solid Due to the fashioned iron 10 of bar frame.Specific in embodiment, bed die fashioned iron 28 can be C-type steel.In this way, due to the bending resistance of C-type steel Intensity is good, is conducive to the safety for improving formwork structure.Optionally, bed die fashioned iron 28 can be galvanized alloy C-type steel.Specifically, Bed die fashioned iron 28 is that height dimension is 30mm to 50mm, width 80mm or 100mm, and with a thickness of 3mm, flanging width is the C of 30mm Fashioned iron.
Specific in one embodiment, including multiple, bed die fashioned iron 28 is correspondingly arranged bed die fashioned iron 28 with fashioned iron 10.One Multiple locking assemblies 20 are provided between bed die fashioned iron 28 and a corresponding fashioned iron 10, multiple locking assemblies 20 are along corresponding type The longitudinally interval of steel 10 is arranged.
In the embodiment of the present invention, there is a prepsetting gap, so that pouring to form coagulation between end template 300 and fashioned iron 10 After native plate 100, fashioned iron 10 is avoided to expose the lower surface of concrete slab 100.It is understood that end template 300 and fashioned iron 10 Between gap can be adjusted by the second matching piece 24.Optionally, which can be 25mm.
Specific in one embodiment, end template 300 can be hollow plastic formwork.In this way, being made using hollow plastic formwork After demoulding concrete flatness it is good.
Shown in Figure 3, in the embodiment of the present invention, it is fixed that the opposite end of each fashioned iron 10 passes through fastener 40 It is connected to structural beams 200.Optionally, which can be self-tapping screw or bolt.
Fashioned iron and the connection of structural beams 200 loosen in order to prevent, and in one embodiment, fashioned iron 10 can be with fastener 40 welded connectings are into a single integrated structure.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.

Claims (10)

1. the bar frame of concrete slab, which is characterized in that including multiple fashioned iron, multiple locking assemblies and steel mesh, each The opposite end of the fashioned iron is fixedly connected in structural beams, longitudinally interval cloth of the multiple fashioned iron along the structural beams If the steel mesh is layed on multiple fashioned iron;
Each described locking assembly one end is connected to the fashioned iron, and the other end is pierced by downwards the concrete slab, for locking Fixed end template.
2. the bar frame of concrete slab according to claim 1, which is characterized in that the steel mesh and the fashioned iron are solid Fixed connection.
3. the bar frame of concrete slab according to claim 2, which is characterized in that the steel mesh and the steel welding It connects in succession.
4. the bar frame of concrete slab according to claim 1, which is characterized in that the fashioned iron is C-type steel.
5. the bar frame of concrete slab according to claim 1, which is characterized in that the locking assembly includes locking member And first matching piece, the locking member are arranged in the fashioned iron setting, first matching piece is connected to the locking member and is pierced by The locking member is fixedly connected on the fashioned iron by one end above the fashioned iron.
6. the bar frame of concrete slab according to claim 5, which is characterized in that the locking assembly further includes second Matching piece, the locking member run through the bed die, and second matching piece is removably attachable to the locking member positioned at described The bed die is lock onto the fashioned iron by one end below bed die.
7. the bar frame of concrete slab according to claim 1, which is characterized in that the opposite end of each fashioned iron Structural beams are fixedly connected on by fastener.
8. the bar frame of concrete slab according to claim 7, which is characterized in that the fastener be self-tapping screw or Bolt.
9. the bar frame of concrete slab according to claim 8, which is characterized in that the fashioned iron and the fastener weld It connects in succession.
10. the bar frame of concrete slab according to claim 1, which is characterized in that each fashioned iron is provided with more A locking assembly, the multiple locking assembly are laid along the longitudinally interval of the corresponding fashioned iron.
CN201811517642.3A 2018-12-12 2018-12-12 The bar frame of concrete slab Pending CN109577557A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811517642.3A CN109577557A (en) 2018-12-12 2018-12-12 The bar frame of concrete slab

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811517642.3A CN109577557A (en) 2018-12-12 2018-12-12 The bar frame of concrete slab

Publications (1)

Publication Number Publication Date
CN109577557A true CN109577557A (en) 2019-04-05

Family

ID=65929283

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811517642.3A Pending CN109577557A (en) 2018-12-12 2018-12-12 The bar frame of concrete slab

Country Status (1)

Country Link
CN (1) CN109577557A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110954205A (en) * 2019-12-23 2020-04-03 广州中衡称重设备有限公司 A steel structure concrete weighing platform
CN111560851A (en) * 2020-04-29 2020-08-21 中交路桥建设有限公司 Fabricated steel-concrete composite beam open-guaranteed bridge and construction method

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1485502A (en) * 2002-09-26 2004-03-31 上海市隧道工程轨道交通设计研究院 Cast-in-place Construction Method of Suspension Formwork for Bed Slab of Channel Beam Road
KR100814442B1 (en) * 2007-03-30 2008-03-17 (주)엠씨에스공법 Formwork for heavy-duty slabs and construction method of heavy-duty slabs using the same
CN202081641U (en) * 2011-05-10 2011-12-21 中天建设集团有限公司天津分公司 Hanging mold used for floor prepared hole
CN102704406A (en) * 2012-06-21 2012-10-03 东南大学 Roadbed slab non-tensile stress construction method based on combined channel girder
CN203924491U (en) * 2014-05-07 2014-11-05 杜景云 The T-shaped bar frame with warming plate for cast-in-place shear wall body
CN106522467A (en) * 2016-12-09 2017-03-22 山东大学 Welded stirrup steel framework beam/pillar
CN108179873A (en) * 2017-12-05 2018-06-19 上海建工五建集团有限公司 Hanging mould structure and its application construction method
CN108442597A (en) * 2018-05-15 2018-08-24 哈尔滨鸿盛建筑材料制造股份有限公司 It is prefabricated to exempt to tear flooring superimposed sheet open

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1485502A (en) * 2002-09-26 2004-03-31 上海市隧道工程轨道交通设计研究院 Cast-in-place Construction Method of Suspension Formwork for Bed Slab of Channel Beam Road
KR100814442B1 (en) * 2007-03-30 2008-03-17 (주)엠씨에스공법 Formwork for heavy-duty slabs and construction method of heavy-duty slabs using the same
CN202081641U (en) * 2011-05-10 2011-12-21 中天建设集团有限公司天津分公司 Hanging mold used for floor prepared hole
CN102704406A (en) * 2012-06-21 2012-10-03 东南大学 Roadbed slab non-tensile stress construction method based on combined channel girder
CN203924491U (en) * 2014-05-07 2014-11-05 杜景云 The T-shaped bar frame with warming plate for cast-in-place shear wall body
CN106522467A (en) * 2016-12-09 2017-03-22 山东大学 Welded stirrup steel framework beam/pillar
CN108179873A (en) * 2017-12-05 2018-06-19 上海建工五建集团有限公司 Hanging mould structure and its application construction method
CN108442597A (en) * 2018-05-15 2018-08-24 哈尔滨鸿盛建筑材料制造股份有限公司 It is prefabricated to exempt to tear flooring superimposed sheet open

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110954205A (en) * 2019-12-23 2020-04-03 广州中衡称重设备有限公司 A steel structure concrete weighing platform
CN111560851A (en) * 2020-04-29 2020-08-21 中交路桥建设有限公司 Fabricated steel-concrete composite beam open-guaranteed bridge and construction method

Similar Documents

Publication Publication Date Title
CN110984397A (en) Self-adjusting building embedded part and embedding method thereof
EP0123264A2 (en) Building system and components thereof
CN209924432U (en) Template adjusting and supporting device for building inclined column
JP3751708B2 (en) Curing scaffold plate support assembly
CN109577557A (en) The bar frame of concrete slab
CN210049602U (en) Multi-surface slope roof concrete pouring device
CN211257822U (en) Auxiliary support for square and round buckles
CN114809721A (en) Ultrahigh overhanging serrated plate inclined support and construction process thereof
KR100946192B1 (en) Formwork Joining and Dismantling Device
CN209976016U (en) Combined steel formwork keel support with steel bar protection layer support
WO2015051551A1 (en) Building and construction method thereof
CN216007797U (en) Bottom die structure
CN109577645A (en) Bed die component
CN211257875U (en) Platform of unloading of encorbelmenting suitable for prefabricated building
CN112962945A (en) Corner bracket structure and construction method
JP3423162B2 (en) Handrail wall panel mounting structure
CN215212327U (en) Sandwich plate supports pole setting base device with adjustable angle
CN212317177U (en) Embedded suspended installation support device
CN211621992U (en) Steel construction pipe truss roof support built-in fitting
CN212743355U (en) Ultra-thick concrete floor side formwork reinforcing structure
JPH0643364Y2 (en) Lifting jig
JPH0932284A (en) Constructing device and method for overhang section
KR20200048171A (en) Supporting structure for concrete wall
JP3356853B2 (en) Formwork equipment
CN205475696U (en) Steel construction stand fixed knot constructs

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20190405