CN114753619A - Top support for engineering construction wood formwork system and construction method thereof - Google Patents
Top support for engineering construction wood formwork system and construction method thereof Download PDFInfo
- Publication number
- CN114753619A CN114753619A CN202210393498.7A CN202210393498A CN114753619A CN 114753619 A CN114753619 A CN 114753619A CN 202210393498 A CN202210393498 A CN 202210393498A CN 114753619 A CN114753619 A CN 114753619A
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- Prior art keywords
- stand
- main
- template
- fixed
- support
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- 238000010276 construction Methods 0.000 title claims abstract description 51
- 238000009415 formwork Methods 0.000 title claims abstract description 48
- 239000002023 wood Substances 0.000 title claims abstract description 19
- 230000000694 effects Effects 0.000 claims abstract description 15
- 230000001105 regulatory effect Effects 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000005192 partition Methods 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 3
- 230000007306 turnover Effects 0.000 abstract description 14
- 239000000463 material Substances 0.000 abstract description 13
- 238000009435 building construction Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 11
- 239000010959 steel Substances 0.000 description 11
- 239000004567 concrete Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000003750 conditioning effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000012945 sealing adhesive Substances 0.000 description 1
Images
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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/36—Forms, 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
-
- 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
- E04G11/36—Forms, 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
- E04G11/48—Supporting structures for shutterings or frames for floors or roofs
-
- 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
- E04G25/00—Shores or struts; Chocks
- E04G25/04—Shores or struts; Chocks telescopic
- E04G25/06—Shores or struts; Chocks telescopic with parts held together by positive means
Landscapes
- 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 top support for a wood formwork system for engineering construction and a construction method thereof, belonging to the technical field of building construction and comprising a plurality of independent formworks, area formworks, secondary keels, main keels, support columns and detachable support frames; the upper end at the support column is fixed to the partition support frame, the partition support frame includes the stand, fixed fagging, activity fagging and first regulating block, the lower extreme and the support column fixed connection of stand, fixed fagging is fixed in the upper end of stand and is supported independent template, the activity fagging suit is on the stand, first regulating block is located the lower extreme of activity fagging and can be on the stand from top to bottom the adjusting position, the main joist supports on the activity fagging, the secondary joist supports on the main joist, regional template supports on the secondary joist. The invention can improve the turnover efficiency of the regional templates, the secondary keels and the main keels and reduce the turnover material input amount, thereby reducing the turnover material input amount in the construction process, reducing the overstock amount and the initial investment and greatly reducing the lease cost.
Description
Technical Field
The invention belongs to the technical field of building construction, and particularly relates to a top support for a wood formwork system for engineering construction and a construction method of the top support.
Background
At present, in the field of house construction, a reinforced concrete structure is a main structure of mainstream. The template construction system is a key means for ensuring the forming of concrete. The wood form construction system is still a necessary choice for most of the current form works. Devices such as steel pipes, jacking supports, battens and templates are needed in the construction process of the template. These materials are used in turn over construction of superstructure and are all referred to as turnaround materials. In the construction process of the current building industry, a large amount of turnover materials are used for a wood formwork supporting system of a beam and a floor slab in a main body structure. In order to ensure that the age of the main structure can provide upper-layer construction and structural load in the construction process, 3 layers of turnover materials such as steel pipes, jacking supports, battens and templates for construction are generally required to be equipped. And (3) when the Nth layer (N is more than or equal to 5 under general conditions) of structural beam plates is constructed, transferring construction is carried out by adopting the turnover materials at the Nth-3 th layer of structural beam plates. Therefore, for the building construction project, the turnover efficiency of the templates determines the number of the templates which are put into the building at a time and the construction period. The construction period of the conventional wood formwork support form is long, 3 layers of materials are required to be prepared for turnover, and the problems of large turnover material input amount, large backlog amount, high initial input and high lease cost appear in the construction process.
Disclosure of Invention
The invention provides a top support for a wood formwork system for engineering construction, and aims to solve the problems of large input amount of turnover materials, large backlog amount, high initial input and high lease cost in the prior art.
The invention adopts the following technical scheme:
a top support for a wood formwork system for engineering construction comprises a plurality of independent formworks, area formworks, secondary keels, main keels, support columns and split support frames; the utility model discloses a supporting column, including the stand, the stand is fixed to the partition support frame the upper end of support column, the partition support frame includes stand, fixed fagging, activity fagging and first regulating block, the lower extreme of stand with support column fixed connection, fixed fagging is fixed the upper end of stand supports independent template, activity fagging movably suit is in on the stand, first regulating block is located the lower extreme of activity fagging can adjust the position from top to bottom on the stand, the main joist supports on the activity fagging, the secondary joist supports on the main joist, regional template supports on the secondary joist and with the border joint of independent template.
In some embodiments, the upright post is inserted into the upper end of the supporting post, and the detachable supporting frame further includes a second adjusting block, which is located below the first adjusting block and can be adjusted up and down on the upright post.
In some embodiments, the upright is a threaded rod, the first adjusting block and the second adjusting block are provided with threaded holes matched with the threaded rod, and the movable supporting plate is provided with a through hole for the threaded rod to pass through.
In some embodiments, the outer side of the movable supporting plate is provided with an upward folded edge to form a groove on the movable supporting plate, and a plurality of main keels are supported in the groove side by side.
In some embodiments, the cross runners are interdigitated with the main runners.
In some embodiments, both ends of the cross runners support area forms on both sides of the freestanding form.
A construction method for the top support of a wood formwork system for engineering construction adopts the top support for the wood formwork system for engineering construction; the preparation method comprises the following steps:
s1, erecting the supporting column;
s2, fixing the lower end of the upright post on the supporting column, and adjusting the position of the first adjusting block to ensure that the distance between the movable supporting plate and the fixed supporting plate is the sum of the thicknesses of the secondary keel and the main keel;
s3, sequentially placing the main keels and the secondary keels;
S4, supporting the area template on the secondary keel, supporting the independent template on the fixed supporting plate, and sealing the joint gap between the area template and the independent template;
s5, constructing a pouring structure above the area templates and the independent templates;
s6, descending the first adjusting block, and detaching the secondary keel, the main keel and the area formwork to be turned over to an upper main body for construction.
In some embodiments, in the step S4, the area formwork is fixedly connected to the cross runners when the area formwork is supported on the cross runners.
In some embodiments, in the S4 step, the joint seam of the area template and the independent template is sealed by using a sealing tape.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the template at the bottom of the main structure is divided into the independent template and the regional template, the independent template is supported by the fixed supporting plate, and the regional template is supported by the movable supporting plate matched with the secondary keel and the main keel, so that after the regional template is removed, the floor is supported by the independent template and the upright post, and the removed regional template, the secondary keel and the main keel are turned over to the upper-layer main body for construction and use, thereby improving the turning efficiency of the regional template, the secondary keel and the main keel, reducing the input amount of turning materials in the construction process, reducing the overstock amount and initial input, and greatly reducing the lease cost; by adopting the scheme of the invention, the operation is safe and effective, and when the area template, the secondary keel and the main keel are dismounted, the independent template and the upright post are not influenced to keep supporting the floor.
Drawings
The technology of the present invention will be described in further detail with reference to the accompanying drawings and detailed description below:
FIG. 1 is a schematic view of the overall structure of a top support for an engineered wood formwork system of the present invention;
FIG. 2 is a schematic view of the structure of the detachable support frame;
fig. 3 is a flow chart of a method of the present invention for constructing a top support for an engineered wood formwork system.
Reference numerals:
1-disassembling the supporting frame; 11-upright post; 12-fixing the supporting plate; 13-a movable supporting plate; 131-folding; 132-a groove; 14-a first conditioning block; 15-a second conditioning block;
2-independent template; 3-region template; 4-secondary keel; 5-main keel; 6-support column.
Detailed Description
The conception, the specific structure and the technical effects of the present invention will be clearly and completely described in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the schemes and the effects of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The same reference numbers will be used throughout the drawings to refer to the same or like parts.
It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly fixed or connected to the other feature or indirectly fixed or connected to the other feature. Further, the description of the upper, lower, left, right, etc. used in the present invention is only with respect to the positional relationship of the respective components of the present invention with respect to each other in the drawings.
Referring to fig. 1 and 2, a top support for a wood formwork system for engineering construction includes a plurality of independent formworks 2, an area formwork 3, a secondary keel 4, a main keel 5, a support column 6 and a split support frame 1.
Referring to fig. 1, the secondary joist 4 may be a batten, the main joist 5 may be a steel pipe, and the supporting column 6 may be a vertical steel pipe of a steel pipe scaffold. In the present invention, the area pattern 3 is used in the other parts of the pattern used for the bottom surface of the upper layer structure than the individual pattern 2, the area of the individual pattern 2 is small, the area of the area pattern 3 is relatively large, and the individual pattern 2 and the area pattern 3 are both wood patterns.
Wherein, the disassembly support frame 1 is fixed at the upper end of the support column 6, and is specifically fixed in an inserting way.
Referring to fig. 1 and 2, the split supporting frame 1 includes a column 11, a fixed supporting plate 12, a movable supporting plate 13, and a first adjusting block 14. The lower end of the upright post 11 is fixedly connected with the support column 6, namely the lower end of the upright post 11 is directly inserted into a vertical steel pipe of the steel pipe scaffold, and the height of a template supported by the splitting support frame 1 can be adjusted by controlling the inserting and extending height, so that the height of the template is consistent with the design height. Fixed fagging 12 is fixed in the upper end of stand 11 and is supported independent template 2, supports independent template 2 through fixed fagging 12, because fixed fagging 12 is fixed, after supporting independent template 2, need not to dismantle to satisfy independent template 2, stand 11 and keep supporting the floor.
Referring to fig. 2, the movable supporting plate 13 is movably sleeved on the upright post 11, and the first adjusting block 14 is located at the lower end of the movable supporting plate 13 and can be adjusted up and down on the upright post 11, and in this structure, when the first adjusting block 14 is adjusted up and down, the position of the movable supporting plate 13 will also be changed up and down. The main runners 5 are supported on the movable stay plates 13, the cross runners 4 are supported on the main runners 5, and the area forms 3 are supported on the cross runners 4 and engage the edges of the individual forms 2. Through the position of adjusting first regulating block 14, finally can adjust the position of secondary joist 4 to change regional template 3's height, ensure that regional template 3 is final with independent template 2 on same height, make regional template 3 and independent template 2 can join together, thereby can guarantee the homogeneity of major structure's thickness when upper concrete structure pours. It can be understood that when the main keels 5 are supported by the movable supporting plates 13, a plurality of main keels 5 can be placed on one movable supporting plate 13 at the same time to ensure sufficient supporting strength for the cross keels 4, and one main keel 5 can be supported by a plurality of movable supporting plates 13. Likewise, a plurality of cross runners 4 are also supported on the main runner 5.
Preferably, referring to fig. 1 and 2, in order to adjust the position of the upright post 11 inserted into the upper end of the supporting post 6 for adjusting the height of the fixed supporting plate 12, the upright post 11 is inserted into the upper end of the supporting post 6, and the detachable supporting frame 1 further includes a second adjusting block 15, wherein the second adjusting block 15 is located below the first adjusting block 14 and can be adjusted in position up and down on the upright post 11. That is, by adjusting the position of the second supporting block on the upright post 11, when the upright post 11 is inserted into the supporting post 6, the second supporting block will be supported on the supporting post 6, so that the height of the upright post 11 extending above the supporting post 6 can be changed, and the heights of the fixed supporting plate 12 and the independent template 2 can be changed to conform to the designed height.
In one embodiment, referring to fig. 1 and 2, the upright post 11 is a threaded rod, the first adjusting block 14 and the second adjusting block 15 are provided with threaded holes matching with the threaded rod, and the movable supporting plate 13 is provided with a through hole for the threaded rod to pass through. The heights of the first adjusting block 14 and the second adjusting block 15 on the threaded rod are changed by means of threaded adjustment.
Preferably, in order to improve the stability of the main keel 5 on the movable supporting plate 13 and prevent the main keel 5 from being pulled out of the movable supporting plate 13, an upward folding edge 131 is provided on the outer side of the movable supporting plate 13 to form a groove 132 on the movable supporting plate 13, and a plurality of main keels 5 are supported side by side in the groove 132. Namely, the main keel 5 is limited by the groove 132, and the main keel 5 is prevented from being separated from the outer side of the movable supporting plate 13. When the main keel 5 needs to be taken out, the movable supporting plate 13 is only required to be adjusted downwards to be far away from the main structure above, and then the secondary keel 4 and the main keel 5 are taken out from the upper part of the groove 132. In one embodiment, 4 main runners 5 are supported on one movable stay 13.
Wherein, referring to fig. 1, the cross runners 4 are crossed with the main runners 5, in one embodiment, the cross runners 4 are transversely arranged, and the main runners 5 are longitudinally arranged and are crossed and overlapped at 90 degrees.
In one embodiment, the regional template 3 that is located independent template 2 both sides is supported simultaneously at the both ends of secondary joist 4, can understand that the length of secondary joist 4 is the length or the width that will be greater than independent template 2 to secondary joist 4 can support the regional template 3 of independent template 2 both sides simultaneously, and, when secondary joist 4 supports regional template 3, also play the supporting role to independent template 2 simultaneously.
Referring to fig. 1 to 3, a method for constructing a top support of a timber formwork system for engineering construction, which adopts the above top support for the timber formwork system for engineering construction; the preparation method comprises the following steps:
s1, erecting a support column 6; namely, erecting a steel pipe scaffold according to specific conditions, and taking a vertical steel pipe of the steel pipe scaffold as a support column 6;
s2, fixing the lower end of the upright post 11 on the support post 6, and positioning the fixed support plate 12 at the upper end, wherein care needs to be taken to control the fixed support plate 12 to be below the design height of the independent template 2, and the position of the first adjusting block 14 is adjusted, so that the distance between the movable support plate 13 and the fixed support plate 12 is the sum of the thicknesses of the secondary keel 4 and the main keel 5, and thus the installation height for installing the main keel 5 and the secondary keel 4 is reserved, and the installation height is ensured to be consistent with the design height when the template is placed after installation;
And S3, sequentially placing the main keels 5 and the secondary keels 4. The main keel 5 is firstly placed on the movable supporting plate 13, and then the secondary keel 4 is placed on the main keel 5.
And S4, supporting the area template 3 on the secondary keel 4, supporting the independent template 2 on the fixed supporting plate 12, and sealing the joint gap between the area template 3 and the independent template 2 to ensure that no leakage occurs during subsequent pouring. Wherein, when regional template 3 supports on secondary joist 4, with regional template 3 and 4 fixed connection of secondary joist, specifically adopt the nail to nail tightly. Specifically, the joint gap between the area template 3 and the independent template 2 is sealed by using a sealing adhesive tape.
And S5, constructing a pouring structure above the area formworks 3 and the independent formworks 2. Specifically, steel bars are bound, and then concrete pouring is carried out.
S6, descending the first adjusting block 14, detaching the secondary keel 4, the main keel 5 and the area formwork 3, and turning to the upper main body for construction. Wait that the concrete solidifies, reach required time, descend first regulating block 14 for movable fagging 13 descends, thereby dismantle main joist 5, secondary joist 4 and regional template 3, have enough to meet the need to the upper main part construction use, and independent template 2 and fixed fagging 12, stand 11 all still keep supporting to major structure, satisfy the requirement.
Based on the top support for the engineering construction wood formwork system and the construction method thereof, the main keel 5, the secondary keel 4 and the area formwork 3 can be detached after the main structure is constructed, the turnover efficiency of the area formwork 3, the secondary keel 4 and the main keel 5 is improved, and the turnover material input amount is reduced, so that the turnover material input amount in the construction process can be reduced, the overstock amount and the initial investment amount are reduced, the lease cost is greatly reduced, and the support for the main structure cannot be reduced.
Other contents of the top support for the engineering construction wood formwork system and the construction method thereof are referred to in the prior art and are not described herein again.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (9)
1. The utility model provides a top support for engineering construction plank sheathing system which characterized in that: the formwork comprises a plurality of independent formworks, area formworks, secondary keels, main keels, supporting columns and split supporting frames; the utility model discloses a supporting column, including the stand, the stand is fixed to the partition support frame the upper end of support column, the partition support frame includes stand, fixed fagging, activity fagging and first regulating block, the lower extreme of stand with support column fixed connection, fixed fagging is fixed the upper end of stand supports independent template, activity fagging movably suit is in on the stand, first regulating block is located the lower extreme of activity fagging can adjust the position from top to bottom on the stand, the main joist supports on the activity fagging, the secondary joist supports on the main joist, regional template supports on the secondary joist and with the border joint of independent template.
2. The top support for an engineering construction timber formwork system of claim 1, wherein: the stand cartridge is in the upper end of support column, the split support frame still includes the second regulating block, the second regulating block is located the below of first regulating block and can be in the upper and lower adjusting position on the stand.
3. The top support for an engineering construction timber formwork system of claim 2, wherein: the stand is the threaded rod, first regulating block with the second regulating block be equipped with the screw hole that the threaded rod matches, the activity fagging is equipped with the confession the through-hole that the threaded rod passed.
4. The top support for an engineering construction timber formwork system of claim 2 wherein: the outer side of the movable supporting plate is provided with an upward folded edge so as to form a groove on the movable supporting plate, and the main keels are supported in the groove side by side.
5. The top support for an engineering construction timber formwork system of claim 1 wherein: the secondary keel and the main keel are mutually crossed.
6. The top support for an engineering construction timber formwork system of claim 1 wherein: and two ends of the secondary keel simultaneously support the area templates positioned on two sides of the independent template.
7. A construction method of a top support for an engineering construction wood formwork system, characterized in that the top support for the engineering construction wood formwork system according to any one of claims 1-6 is adopted; the preparation method comprises the following steps:
s1, erecting the supporting column;
s2, fixing the lower end of the upright post on the supporting post, and adjusting the position of the first adjusting block to ensure that the distance between the movable supporting plate and the fixed supporting plate is the sum of the thicknesses of the secondary keel and the main keel;
s3, sequentially placing the main keels and the secondary keels;
s4, supporting the area template on the secondary keel, supporting the independent template on the fixed supporting plate, and sealing the joint gap between the area template and the independent template;
s5, constructing a pouring structure above the area templates and the independent templates;
s6, descending the first adjusting block, and detaching the secondary keel, the main keel and the area formwork to be turned over to an upper main body for construction.
8. The method as claimed in claim 7, wherein the step S4 is performed to fixedly connect the area formworks to the cross runners when the area formworks are supported on the cross runners.
9. The method of applying the top support for an engineering construction formwork system according to claim 7, wherein in the step of S4, the joining seam of the area formwork and the independent formwork is sealed using a sealing tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210393498.7A CN114753619A (en) | 2022-04-15 | 2022-04-15 | Top support for engineering construction wood formwork system and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210393498.7A CN114753619A (en) | 2022-04-15 | 2022-04-15 | Top support for engineering construction wood formwork system and construction method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114753619A true CN114753619A (en) | 2022-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210393498.7A Pending CN114753619A (en) | 2022-04-15 | 2022-04-15 | Top support for engineering construction wood formwork system and construction method thereof |
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| CN (1) | CN114753619A (en) |
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|---|---|---|---|---|
| CN1959034A (en) * | 2006-09-06 | 2007-05-09 | 北京市城建五建设工程有限公司 | Adjustable quick dismountable steel support of roof plate template |
| KR20080032752A (en) * | 2006-10-10 | 2008-04-16 | 주식회사 신영 | Mold system of slab for concrete building |
| KR101182777B1 (en) * | 2012-07-02 | 2012-09-13 | 김신식 | Supporter of form for concrete crossbeam |
| CN204059955U (en) * | 2014-07-04 | 2014-12-31 | 北京华联达建筑设备租赁有限公司 | In-situ reinforced concrete slab template integral type braced structures |
| CN106401176A (en) * | 2015-08-03 | 2017-02-15 | 北京城建北方建设有限责任公司 | Steel-wood combination roof moldboard framework construction method |
| CN208473291U (en) * | 2018-06-07 | 2019-02-05 | 深圳市越众（集团）股份有限公司 | A kind of building engineering shuttering early removing system support device |
| CN109680930A (en) * | 2017-10-18 | 2019-04-26 | 五冶集团上海有限公司 | Early-dismantling support system construction method |
| CN212175531U (en) * | 2020-03-30 | 2020-12-18 | 山西四建集团有限公司 | Steel pipe keel structure for super-thick concrete top plate |
-
2022
- 2022-04-15 CN CN202210393498.7A patent/CN114753619A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1959034A (en) * | 2006-09-06 | 2007-05-09 | 北京市城建五建设工程有限公司 | Adjustable quick dismountable steel support of roof plate template |
| KR20080032752A (en) * | 2006-10-10 | 2008-04-16 | 주식회사 신영 | Mold system of slab for concrete building |
| KR101182777B1 (en) * | 2012-07-02 | 2012-09-13 | 김신식 | Supporter of form for concrete crossbeam |
| CN204059955U (en) * | 2014-07-04 | 2014-12-31 | 北京华联达建筑设备租赁有限公司 | In-situ reinforced concrete slab template integral type braced structures |
| CN106401176A (en) * | 2015-08-03 | 2017-02-15 | 北京城建北方建设有限责任公司 | Steel-wood combination roof moldboard framework construction method |
| CN109680930A (en) * | 2017-10-18 | 2019-04-26 | 五冶集团上海有限公司 | Early-dismantling support system construction method |
| CN208473291U (en) * | 2018-06-07 | 2019-02-05 | 深圳市越众（集团）股份有限公司 | A kind of building engineering shuttering early removing system support device |
| CN212175531U (en) * | 2020-03-30 | 2020-12-18 | 山西四建集团有限公司 | Steel pipe keel structure for super-thick concrete top plate |
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Application publication date: 20220715 |