CN116971611A - Sliding formwork construction method for heavy-gradient inclined roof concrete construction - Google Patents
Sliding formwork construction method for heavy-gradient inclined roof concrete construction Download PDFInfo
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- CN116971611A CN116971611A CN202311122599.1A CN202311122599A CN116971611A CN 116971611 A CN116971611 A CN 116971611A CN 202311122599 A CN202311122599 A CN 202311122599A CN 116971611 A CN116971611 A CN 116971611A
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- 238000010276 construction Methods 0.000 title claims abstract description 50
- 238000009415 formwork Methods 0.000 title claims description 13
- 238000000034 method Methods 0.000 claims abstract description 20
- 238000000926 separation method Methods 0.000 claims abstract description 15
- 238000009751 slip forming Methods 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 54
- 239000010959 steel Substances 0.000 claims description 54
- 239000010410 layer Substances 0.000 claims description 16
- 239000000725 suspension Substances 0.000 claims description 16
- 230000008569 process Effects 0.000 claims description 8
- 238000009432 framing Methods 0.000 claims description 6
- 238000005266 casting Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 239000011241 protective layer Substances 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 abstract description 13
- 230000036571 hydration Effects 0.000 abstract description 3
- 238000006703 hydration reaction Methods 0.000 abstract description 3
- 238000005204 segregation Methods 0.000 abstract description 3
- 238000000465 moulding Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D15/00—Apparatus or tools for roof working
- E04D15/07—Apparatus or tools for roof working for handling roofing or sealing material in bulk form
-
- 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
- E04G21/32—Safety or protective measures for persons during the construction of buildings
- E04G21/3204—Safety or protective measures for persons during the construction of buildings against falling down
- E04G21/3214—Means for working on roofs
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention relates to a slip form construction method for heavy-gradient inclined roof concrete construction. According to the invention, the lateral reinforcing steel bar meshes are arranged between the upper reinforcing steel bars and the lower reinforcing steel bars of the pitched roof plate so as to divide each layer of track of the roof into a plurality of separation grooves, so that a reinforcing steel bar separation groove system is formed, the temperature cracks caused by hydration heat during pouring of large-volume concrete of the roof are effectively eliminated, and meanwhile, the problems of lateral flow, segregation, difficult molding and the like of the concrete during subsequent pouring are solved; according to the method, the sliding mode trolley is matched with the sliding mode rail system to construct the inclined roof concrete, so that the problems that concrete is difficult to pour, vibrate and compact, honeycomb pitting surface, structure leakage and the like caused by the traditional construction of the inclined roof single-panel and double-panel concrete are effectively solved, the construction quality of the roof concrete is greatly improved, and the compactness and leakage resistance of the structure are improved.
Description
Technical Field
The invention relates to a building construction method, in particular to a slip form construction method for heavy-gradient inclined roof concrete construction.
Background
The inclined roof is widely applied to buildings all the time, because the inclined roof can effectively prevent seepage and leakage, insulate heat and preserve heat and smoothly drain water, can increase the use space of the buildings, improves the space utilization rate and simultaneously increases the attractive effect. However, because the structure of the sloping roof is more complex than that of a flat roof, the sloping roof has the characteristics of steep gradient, large span, high formwork support requirement, large construction difficulty of the sloping operation surface, difficult control of concrete construction quality and the like, and therefore, during construction, the working is difficult, and the construction quality is not well ensured. At present, with respect to the control of the construction quality of the heavy-gradient inclined roof concrete, the control of the casting concrete of the single-layer bottom die is mainly controlled from the proportion and the increase of the reinforcing steel meshes at home and abroad, the casting and tamping compactness of the concrete is difficult to reach the expectations, hidden danger of structural leakage is left, the double-layer templates are adopted, the vibration is often not in place, the templates on the two sides are required to be tensioned by matching with split bolts, the overall construction speed is low, the symptoms such as honeycomb pitting surface and the like are easy to appear, and the later repair cost is high.
Disclosure of Invention
In order to solve the problems, a sliding formwork construction method for heavy-gradient inclined roof concrete construction is provided, so that the construction quality of an inclined roof concrete structure is effectively improved.
The specific technical scheme is as follows:
a slip form construction method for heavy-gradient inclined roof concrete construction comprises the following steps:
1) Carrying out steel bar lofting according to a design drawing and a construction scheme after construction of a roof layer post steel bar formwork, a full framing and a roof floor lower formwork is completed, binding roof longitudinal beam steel bars, and extending and welding sliding formwork track foundation steel bars into a beam steel bar framework in the roof longitudinal beam steel bars after steel bar binding is completed;
2) Binding lower steel bars of the pitched roof plates, binding lateral steel bar nets of the separation grooves on the completed lower steel bar nets of the roofs, and installing upper steel bars of the pitched roof plates after the completion of the binding, so that the lateral steel bar nets are utilized to separate the lower steel bars of the pitched roof plates and the upper steel bars of the pitched roof plates to form a plurality of separation grooves;
3) Penetrating the fixed template into the sliding-mode track foundation steel bars by using holes on the fixed template, welding the bottom sliding-mode track, the middle sliding-mode track and the top sliding-mode track on the sliding-mode track foundation steel bars by using connecting sleeves, and then pressing the fixed template downwards to form a roof sliding-mode track system;
4) An intermediate sliding mode trolley is arranged between the two rails, so that the intermediate sliding mode trolley can freely walk along the rails;
5) Installing a cornice side template of the inclined roof, pouring concrete, feeding by using a feeding port on a middle sliding-mode trolley in the pouring process, sequentially vibrating by using a vibrating port from bottom to top until the concrete at the vibrating port and the feeding port is no longer trapped, vibrating while feeding by the middle sliding-mode trolley, sliding and advancing to the next pouring surface, trowelling the concrete by using a sliding-mode rail bottom plastering template at the bottom of the middle sliding-mode trolley in the sliding advancing process, unloading the middle sliding-mode trolley after pouring the concrete, and repeating the steps 4) and 5) to finish pouring the concrete of the inclined roof from bottom to top in a layered manner;
6) Pouring concrete of a flat roof and curing;
7) Dismantling the sliding mode rail, the connecting sleeve and the fixed template, and constructing a roof leveling layer, a waterproof heat-insulating layer and a protective layer;
8) And (5) dismantling the safety suspension device and constructing the parapet wall of the roof.
Further, the construction method further comprises the following steps: after the construction of a roof layer post reinforcing bar template, a full framing and a roof floor lower template is completed, vertical steel pipe columns in a safety suspension device are pre-buried into posts around a flat roof, post concrete is poured, the posts around the posts are connected into a whole by a connecting cross rod after the construction is completed, a suspension bracket is installed on the connecting cross rod, the upper end of a limiting rope is tied and hung on the suspension bracket to form the safety suspension device, and a middle slip-form trolley is tied and hung on the suspension bracket by the limiting rope to serve as a safety reserve.
Further, the method for installing the middle sliding mode trolley in the step 4) comprises the following steps: and a sliding mode rail bottom plastering template is placed between the fixed templates at the lower parts of the two rails, then the lower module and the upper module are installed, lateral wheels on the lower module and the upper module are ensured to be abutted against the upper inner wall of the rails, horizontal wheels on the lower module and the upper module are matched with convex rails in the rails, then the middle module is clamped and fixed on the lower module and the upper module, and the sliding mode rail bottom plastering template and the modules are fixedly connected into a whole to form the middle sliding mode trolley through assembly.
Further, pouring is started from the initial groove in the step 5), and concrete is hoisted through a tower crane bucket when the initial groove is poured, so that the initial groove is filled with the concrete rapidly.
Furthermore, the pouring quantity of the initial tank in the step 5) is slightly larger than the concrete demand quantity of the initial tank, so that the heights of the concrete surfaces of the feed inlet and the vibrating port are slightly higher than the design height of the roof concrete structure.
Further, in step 5), the initial groove is poured, so that the slipform rail bottom plastering template covers two adjacent separation grooves.
Furthermore, in the step 5), a pump pipe is adopted to convey concrete when the middle groove and the tail groove are poured, and the pouring speed is required to be controlled when the concrete is poured to the end parts of the middle groove and the tail groove, so that the middle sliding-mode trolley is ensured to slide forwards after the concrete is fully filled.
And further, in the step 5), the tail groove is filled with concrete by calculating and controlling the concrete dosage.
The beneficial effect of above-mentioned scheme is:
1) According to the invention, the lateral reinforcing steel bar meshes are arranged between the upper reinforcing steel bars and the lower reinforcing steel bars of the pitched roof plate so as to divide each layer of track of the roof into a plurality of separation grooves, so that a reinforcing steel bar separation groove system is formed, the temperature cracks caused by hydration heat during pouring of large-volume concrete of the roof are effectively eliminated, and meanwhile, the problems of lateral flow, segregation, difficult molding and the like of the concrete during subsequent pouring are solved;
2) According to the method, the sliding mode trolley is matched with the sliding mode rail system to construct the inclined roof concrete, so that the problems that concrete is difficult to pour, vibrate and compact, honeycomb pitting surface, structure leakage and the like caused by the traditional construction of the inclined roof single-panel and double-panel concrete are effectively solved, the construction quality of the roof concrete is greatly improved, and the compactness and leakage resistance of the structure are improved;
3) The slip form construction system provided by the invention has the advantages of simple integral structure, convenience in installation and high construction speed, greatly increases the construction efficiency, and reduces the turnover materials and the manual investment;
4) The safety suspension device is arranged in the construction method provided by the invention, so that the personal safety of operators and the mechanical use safety effect in the whole roof engineering construction process are greatly improved, the potential safety hazard is effectively reduced, and safety conditions are provided for leveling, water proofing and heat preservation of the later-stage construction roof.
Drawings
FIG. 1 is a plan view of a pitched roof construction in accordance with the present invention;
fig. 2 is a diagram of a rebar separator tank system in accordance with the present invention;
FIG. 3 is a schematic diagram of a slip-form trolley according to the present invention;
FIG. 4 is a schematic cross-sectional view of a slipform trolley according to the present invention;
FIG. 5 is an elevation view of a pitched roof construction in accordance with the present invention;
FIG. 6 is a schematic diagram of a slip-form track according to the present invention.
In the accompanying drawings: 1. a safety suspension device; 11. pre-burying a steel pipe column; 12. connecting the cross bars; 13. a hanging frame; 14. limiting the steel wire rope; 2. lateral reinforcing steel bar net of separation groove; 21. a starting tank; 22. a middle groove; 23. tail grooves; 3. a slip form rail; 31. sliding formwork track foundation steel bars; 32. fixing the template; 33. a connecting sleeve; 34. a bottom slip-form rail; 35. a middle slip-form rail; 36. a top slip-form rail; 4. a slip form trolley device; 41. a slip form rail bottom surface-plastering template, 42 and a middle slip form trolley; 421. a lower module; 422. lateral wheels of the trolley; 423. a trolley horizontal wheel; 424. an upper module; 425. an intermediate module; 426. a screw; 43. the upper part of the sliding mould is attached; 431. a feed inlet; 432. vibrating the mouth; 433. a rail top pulley; 434. a working step; 435. a safety barrier; 5. roof reinforcement system; 51 oblique roof beam steel bars; 52. reinforcing steel bars at the lower part of the pitched roof plate; 53. reinforcing steel bars at the upper part of the pitched roof plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
The invention is further described below with reference to the drawings and specific examples, which are not intended to be limiting.
As shown in fig. 1 to 6, the slip form construction method for heavy-gradient pitched roof concrete construction provided in the present invention includes:
1) Carrying out steel bar lofting according to a design drawing and a construction scheme after construction of a roof layer post steel bar formwork, a full framing and a roof floor lower formwork is completed, binding a roof longitudinal beam steel bar 51, and extending and welding a sliding mode rail foundation steel bar 31 into a beam steel bar framework in the roof longitudinal beam steel bar 51 after binding is completed;
2) Binding lower steel bars 52 of the pitched roof plates, binding lateral steel bar nets 2 of separation grooves on the completed lower steel bar nets of the roof, and installing upper steel bars 53 of the roof plates after completion so as to separate the lower steel bars 52 of the pitched roof plates and the upper steel bars 53 of the roof plates by using the lateral steel bar nets 2 to form a plurality of separation grooves;
3) Penetrating the fixed template 32 into the sliding-mode rail foundation reinforced bar 31 by utilizing holes on the fixed template 32, connecting bolts welded at the bottoms of the bottom sliding-mode rail 34, the middle sliding-mode rail 35 and the top sliding-mode rail 36 to the sliding-mode rail foundation reinforced bar 31 through connecting sleeves 33, and pressing the fixed template 32 downwards to form a roof sliding-mode rail system;
4) The middle sliding mode trolley 42 is arranged between the two rails, so that the middle sliding mode trolley 42 can freely walk along the rails;
5) Installing a cornice side template of the pitched roof, pouring concrete, feeding by using a feed port 431 in an upper attachment 43 of an upper sliding die of a middle sliding die trolley 42 in the pouring process, sequentially vibrating by using vibrating ports 432 which are arranged at intervals from bottom to top until concrete is not trapped in the vibrating ports 432 and the feed port 431 which are opposite to the top, vibrating and sliding towards a middle groove 22 and a tail groove 23 while feeding by the middle sliding die trolley 42, trowelling concrete by using a sliding die rail bottom trowelling template 41 at the bottom of the middle sliding die trolley 42 in the sliding process, unloading the middle sliding die trolley after pouring each layer of concrete, and repeating the steps 4) and 5) so as to finish pouring the pitched roof concrete layer by layer from bottom to top;
6) Pouring concrete of a flat roof and curing;
7) Dismantling the sliding mode rail, the connecting sleeve and the fixed template, and constructing a roof leveling layer, a waterproof heat-insulating layer and a protective layer;
8) And (5) dismantling the safety suspension device and constructing the parapet wall of the roof.
It should be added that, in step 5), pouring is started from the initial tank 21, and concrete is hoisted through the tower crane bucket when the initial tank 21 is poured (ensuring that the initial tank 21 is filled when aggregate enters the middle tank 22, thereby ensuring the filling compactness of the initial tank 21), so that the initial tank 21 is filled with the concrete quickly, the pouring amount is slightly larger than the concrete requirement of the initial tank 21 when the initial tank 21 is poured, and the concrete surface heights of the feed inlet 431 and the vibrating port 432 are slightly higher than the design height of the roof concrete structure; simultaneously, when the initial groove 21 is poured, the slip form rail bottom plastering template 41 is ensured to cover two adjacent separation grooves; after the pouring of the initial groove 21 is completed, the middle sliding mode trolley 42 slides towards the middle groove 22 and the tail groove 23 and sequentially pours the middle groove 22 and the tail groove 23, and a pump pipe is adopted to convey concrete when the middle groove 22 and the tail groove 23 are poured ( The pumping can better control the pouring speed and the sliding mode speed, and ensure that the poured sliding mode is free from sliding off ) When pouring the concrete into the ends of the middle groove 22 and the tail groove 23, the pouring speed needs to be controlled, so that the middle sliding-mode trolley is ensured to slide forwards after the concrete is fully filled; when pouring the concrete into the tail groove 23, the concrete dosage is controlled through calculation, so that the tail groove 23 is filled with the concrete.
The installation method of the middle sliding mode trolley 42 in the step 4) comprises the following steps: a sliding-mode rail-bottom plastering template 41 is placed between fixed templates 32 at the lower parts of two rails, a lower module 421 and an upper module 424 are installed, lateral wheels on the lower module 421 and the upper module 424 are enabled to be abutted against the inner walls of the rails, horizontal wheels on the lower module 421 and the upper module 424 are matched with convex rails in the rails, an intermediate module 425 is clamped into and fixed on the lower module 421 and the upper module 424, and the sliding-mode rail-bottom plastering template 41 and the modules are fixedly connected into a whole by using screws 426 so as to form the intermediate sliding-mode trolley 42.
In order to further improve the safety, the invention can also pre-embed the vertical steel pipe columns 11 in the safety hanging device 1 into the posts around the flat roof after the construction of the post reinforcing steel bar templates, the full framing and the lower templates of the roof floor slabs is finished, then pour post concrete, connect the vertical steel pipe columns 11 around into a whole by using the connecting cross rod 12 after finishing, then install the hanging frame 13 on the connecting cross rod 12, tie the upper end of the limiting rope 14 on the hanging frame 13 to form the safety hanging device 1, and tie the middle sliding-mode trolley on the hanging frame 13 by using the limiting rope 14 to serve as a safety reserve. The design of the safety suspension device 1 greatly increases the personal safety of operators and the use safety effect of machinery in the whole construction process of roof engineering, effectively reduces potential safety hazards and provides safety conditions for leveling, water proofing and heat preservation of the later-stage construction roof.
According to the invention, the steel bar separation groove system is formed by using the separation grooves, so that the temperature cracks caused by hydration heat during pouring of large-volume concrete of the roof are effectively eliminated, and meanwhile, the problems of lateral flow, segregation, difficult forming and the like of the concrete during subsequent pouring are solved.
The foregoing description is only illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present invention, and are intended to be included within the scope of the present invention.
Claims (8)
1. A slip form construction method for heavy-gradient inclined roof concrete construction is characterized by comprising the following steps:
1) Carrying out steel bar lofting according to a design drawing and a construction scheme after construction of a roof layer post steel bar formwork, a full framing and a roof floor lower formwork is completed, binding roof longitudinal beam steel bars, and extending and welding sliding formwork track foundation steel bars into a beam steel bar framework in the roof longitudinal beam steel bars after steel bar binding is completed;
2) Binding lower steel bars of the pitched roof plates, binding lateral steel bar nets of the separation grooves on the completed lower steel bar nets of the roofs, and installing upper steel bars of the pitched roof plates after the completion of the binding, so that the lateral steel bar nets are utilized to separate the lower steel bars of the pitched roof plates and the upper steel bars of the pitched roof plates to form a plurality of separation grooves;
3) Penetrating the fixed template into the sliding-mode track foundation steel bar by utilizing holes on the fixed template, detachably connecting the bottom sliding-mode track, the middle sliding-mode track and the top sliding-mode track to the sliding-mode track foundation steel bar through connecting sleeves, and then pressing the fixed template downwards to form a roof sliding-mode track system;
4) An intermediate sliding mode trolley is arranged between the two rails, so that the intermediate sliding mode trolley can freely walk along the rails;
5) Installing a cornice side template of the inclined roof, pouring concrete, feeding by using a feeding port on a middle sliding-mode trolley in the pouring process, sequentially vibrating by using a vibrating port from bottom to top until the concrete at the vibrating port and the feeding port is no longer trapped, vibrating while feeding by the middle sliding-mode trolley, sliding and advancing to the next pouring surface, trowelling the concrete by using a sliding-mode rail bottom plastering template at the bottom of the middle sliding-mode trolley in the sliding advancing process, unloading the middle sliding-mode trolley after pouring the concrete, and repeating the steps 4) and 5) to finish pouring the concrete of the inclined roof from bottom to top in a layered manner;
6) Pouring concrete of a flat roof and curing;
7) Dismantling the sliding mode rail, the connecting sleeve and the fixed template, and constructing a roof leveling layer, a waterproof heat-insulating layer and a protective layer;
8) And (5) dismantling the safety suspension device and constructing the parapet wall of the roof.
2. The construction method according to claim 1, characterized in that the construction method further comprises: after the construction of a roof layer post reinforcing bar template, a full framing and a roof floor lower template is completed, vertical steel pipe columns in a safety suspension device are pre-buried into posts around a flat roof, post concrete is poured, the posts around the posts are connected into a whole by a connecting cross rod after the construction is completed, a suspension bracket is installed on the connecting cross rod, the upper end of a limiting rope is tied and hung on the suspension bracket to form the safety suspension device, and a middle slip-form trolley is tied and hung on the suspension bracket by the limiting rope to serve as a safety reserve.
3. The construction method according to claim 1, wherein the middle slip-form trolley mounting method in step 4) is as follows: and a sliding mode rail bottom plastering template is placed between the fixed templates at the lower parts of the two rails, then the lower module and the upper module are installed, lateral wheels on the lower module and the upper module are ensured to be abutted against the upper inner wall of the rails, horizontal wheels on the lower module and the upper module are matched with convex rails in the rails, then the middle module is clamped and fixed on the lower module and the upper module, and the sliding mode rail bottom plastering template and the modules are fixedly connected into a whole to form the middle sliding mode trolley through assembly.
4. The construction method according to claim 1, wherein in step 5), pouring is started from the initial tank, and concrete is hoisted by a tower crane bucket when pouring the initial tank, so that the initial tank is filled with the concrete quickly.
5. The construction method according to claim 4, wherein the casting amount in the casting of the initial tank in the step 5) is slightly larger than the concrete required amount of the initial tank, so that the heights of the concrete surfaces of the feed inlet and the vibrating port are slightly higher than the design height of the roof concrete structure.
6. The method of claim 4, wherein the step 5) of casting the starting channel ensures that the slipform rail base finishing form covers two adjacent separator channels.
7. The construction method according to claim 1 or 4, wherein in the step 5), concrete is conveyed by a pump pipe when the middle groove and the tail groove are poured, and the pouring speed is controlled when the concrete is poured to the ends of the middle groove and the tail groove, so that the middle slip-form trolley is ensured to slide forwards after the concrete is completely filled.
8. The construction method according to claim 7, wherein the amount of concrete is calculated and controlled to fill the tail groove with the concrete when the tail groove is poured in step 5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311122599.1A CN116971611A (en) | 2023-08-31 | 2023-08-31 | Sliding formwork construction method for heavy-gradient inclined roof concrete construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311122599.1A CN116971611A (en) | 2023-08-31 | 2023-08-31 | Sliding formwork construction method for heavy-gradient inclined roof concrete construction |
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| Publication Number | Publication Date |
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| CN116971611A true CN116971611A (en) | 2023-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311122599.1A Pending CN116971611A (en) | 2023-08-31 | 2023-08-31 | Sliding formwork construction method for heavy-gradient inclined roof concrete construction |
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| Country | Link |
|---|---|
| CN (1) | CN116971611A (en) |
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2023
- 2023-08-31 CN CN202311122599.1A patent/CN116971611A/en active Pending
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