CN114753618A - Wood formwork lower opening protection structure of hydraulic plate-penetrating creeping formwork and construction method of wood formwork lower opening protection structure - Google Patents
Wood formwork lower opening protection structure of hydraulic plate-penetrating creeping formwork and construction method of wood formwork lower opening protection structure Download PDFInfo
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- CN114753618A CN114753618A CN202210317308.3A CN202210317308A CN114753618A CN 114753618 A CN114753618 A CN 114753618A CN 202210317308 A CN202210317308 A CN 202210317308A CN 114753618 A CN114753618 A CN 114753618A
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- 238000009415 formwork Methods 0.000 title claims abstract description 73
- 239000002023 wood Substances 0.000 title claims abstract description 62
- 238000010276 construction Methods 0.000 title claims abstract description 26
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 126
- 239000010959 steel Substances 0.000 claims abstract description 126
- 230000009194 climbing Effects 0.000 claims description 12
- 238000010079 rubber tapping Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 125000004122 cyclic group Chemical group 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- 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
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
- E04G11/20—Movable forms; Movable forms for moulding cylindrical, conical or hyperbolical structures; Templates serving as forms for positioning blocks or the like
- E04G11/28—Climbing forms, i.e. forms which are not in contact with the poured concrete during lifting from layer to layer and which are anchored in the hardened concrete
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- 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
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or 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
- 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
- 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
- E04G9/00—Forming or shuttering elements for general use
- E04G9/02—Forming boards or similar elements
- E04G9/04—Forming boards or similar elements the form surface being of wood
Abstract
The invention discloses a lower opening protection structure of a wood formwork of a hydraulic plate-penetrating creeping formwork and a construction method of the lower opening protection structure. The combination of the longitudinal edges of the double-row battens and the square steel ensures the strength of the whole wood formwork and the quality of the lower opening, avoids the damage of the lower opening after long-time use, ensures the quality of the lower opening and ensures the quality of the joint.
Description
Technical Field
The invention belongs to the technical field of creeping formwork construction, and particularly relates to a lower opening protection structure of a wood formwork of a hydraulic plate-penetrating creeping formwork and a construction method of the lower opening protection structure.
Background
The climbing form is called the jump form for short. The climbing formwork consists of three parts, namely a climbing formwork, a climbing frame (or some climbing formworks do not have the climbing frame) and climbing equipment, specifically, the climbing formwork comprises a climbing formwork upright post, a jacking system, a top platform, a cantilever beam and two wood formworks arranged at the bottom end of the top platform, pouring is carried out between the two wood formworks, and the climbing formwork is an effective tool in high-rise structures such as a construction shear wall system, a barrel body system, a pier and the like.
When hydraulic pressure is worn board creeping formwork and is assembled, present plank sheathing lower opening mainly forms with the flitch, can reduce according to plank sheathing lower opening flitch wearing and tearing at cyclic utilization and plank sheathing lower opening connection quality, leads to the structure to appear relevant quality hidden danger easily.
Disclosure of Invention
The invention provides a lower opening protection structure of a wood formwork of a hydraulic plate-penetrating creeping formwork and a construction method thereof, which are used for solving the technical problem that the lower opening of the creeping formwork is mainly formed by battens, and the lower opening connection quality of the creeping formwork is reduced according to the abrasion of the battens at the lower opening of the creeping formwork during the recycling process, so that the structure is easy to have related quality hidden troubles.
In order to realize the purpose, the invention adopts the following technical scheme: a lower opening protection structure of a wood formwork of a hydraulic through-board creeping formwork comprises a creeping formwork upright post, a top platform, an outrigger, a jacking system and two wood formworks arranged at the bottom end of the outrigger, wherein the two wood formworks are poured between the two wood formworks, each wood formwork comprises a rectangular panel, a wood beam transverse edge, a wood beam longitudinal edge, square steel and a back edge, the wood beam transverse edge is fixed at the top end of the back surface of the rectangular panel and is flush with the top end of the rectangular panel, the top end of the wood beam transverse edge is connected with the outrigger, the wood beam longitudinal edge is a plurality of vertical wood beams, the wood beam longitudinal edge comprises a first wood beam longitudinal edge and a second wood beam longitudinal edge, the first wood beam longitudinal edge is fixedly attached to the rectangular panel, the top end of the first wood beam longitudinal edge is fixed to the wood beam transverse edge, the second wood beam longitudinal edge is fixed at the bottom end of the wood beam transverse edge far away from the panel, the bottom ends of the first wood beam longitudinal edge and the second wood beam longitudinal edge are spaced from the bottom end of the rectangular panel, one side of the second wood beam longitudinal edge is provided with a back structure far away from the wood panel, the square steel includes first square steel and second square steel, and first square steel is fixed and is indulged stupefied bottom and laminate with the rectangle panel in first row of flitch, and second square steel is fixed and is indulged stupefied bottom in second row of flitch, the bottom of first square steel and second square steel all flushes with the bottom of rectangle panel.
Through adopting above-mentioned technical scheme, it is high to set up two rows of battens on the plank sheathing and indulge stupefied structural strength who guarantees the plank sheathing, stupefied and second row of battens are indulged stupefied bottom and are provided with the square steel and fix in the first row of battens, the intensity of plank sheathing bottom has been strengthened, the stupefied and combination of square steel of indulging of double row battens has guaranteed the holistic intensity of plank sheathing and the enhancement of end opening quality, damage after having avoided the end opening to use for a long time, the end opening quality has been guaranteed, the quality of junction has been guaranteed, it is convenient to be under construction, recycle's time has been increased, wear the long-term use of board creeping formwork at hydraulic pressure, can guarantee its end opening butt joint quality.
Preferably, the first square steel and the longitudinal edges of the first row of battens are fixed through self-tapping screws, and the second square steel and the longitudinal edges of the second row of battens are fixed through self-tapping screws.
Through adopting above-mentioned technical scheme, first square steel and second square steel can adopt self-tapping screw to fix.
Preferably, first angle steel is welded on first square steel and the second square steel respectively, and first angle steel is fixed on first row of flitch back arris and second row of flitch back arris through the wood screw respectively.
Through adopting above-mentioned technical scheme, set up first angle steel on the square steel, rethread first angle steel and wood screw fix on first row flitch back of the body is stupefied and second row flitch back of the body is stupefied, can use the special wood screw that the flitch is connected, connect the fastening, connect and can obtain guaranteeing.
Preferably, the first square steel and the second square steel are arranged along the width direction of the rectangular template.
Through adopting above-mentioned technical scheme, first square steel and second square steel can adopt whole root square steel to arrange, construction convenience.
Preferably, the first square steel and the second square steel are arranged at intervals along the width direction of the rectangular template in a segmented mode.
Through adopting above-mentioned technical scheme, first square steel and second square steel can also adopt the segmentation to arrange, though increase the construction step, save material, and the unnecessary short steel pipe can be utilized to the steel pipe of segmentation, utilizes the waste material.
Preferably, the first square steel and the second square steel are connected by bolts.
Through adopting above-mentioned technical scheme, connect first square steel and second square steel for overall structure stability is higher, has guaranteed construction quality.
Preferably, second angle steels are welded to the first square steel and the second square steel respectively, and the second angle steels are connected through bolts.
Through adopting above-mentioned technical scheme, the connection is located the square steel outside, and construction convenience.
Preferably, the rectangular panel, the transverse batten, the longitudinal batten of the first row and the longitudinal batten of the second row are fixedly connected through the shooting nail.
Through adopting above-mentioned technical scheme, the stupefied connected mode that is indulged stupefied and second row flitch can be prior art's multiple fastening mode to rectangle panel, flitch are violently stupefied, first row flitch, connects through penetrating the nail in this embodiment, has the quick simple and convenient of construction, firm in connection's advantage.
A construction method of a wood template lower opening protection structure of a hydraulic plate-penetrating creeping formwork comprises the following steps,
designing and preparing a template, drawing a template cutting jigsaw by using template design software according to the geometric dimension of the concrete wall column given by a building and structure construction drawing, and calculating the distance between the longitudinal ridges of a first row of battens and the longitudinal ridges of a second row of battens of the wall column template, and the distance and the diameter of split bolts;
fixing the longitudinal ridges of the first row of battens on a rectangular panel;
step three, fixing the second row of batten longitudinal edges on the batten transverse edges;
fixing the first square steel on the longitudinal edges of the first row of battens and the rectangular panel;
fixing second square steel at the bottom end of the longitudinal edge of the second row of battens;
step six, connecting the first square steel and the second square steel to complete the installation of the wood formwork;
step seven, constructing and arranging a jacking system, a creeping formwork upright post, a top platform and a cantilever beam;
step eight, mounting the two wood templates at the bottom end of the cantilever beam, wherein the rectangular panels of the two wood templates are oppositely arranged;
step nine, mounting a back ridge structure to fix the two templates, and then pouring;
step ten, dismantling the wood formwork after the concrete reaches the strength.
The invention has the following beneficial effects: it indulges stupefied assurance plank sheathing's structural strength height to set up two rows of battens on the plank sheathing, stupefied and second row battens are indulged to first row of battens are indulged stupefied bottom and are provided with the square steel and fix, the intensity of plank sheathing bottom has been strengthened, the stupefied and square steel's combination has been indulged to double battens has guaranteed the holistic intensity of plank sheathing and the enhancement of end opening quality, damage after having avoided the end opening to use for a long time, the end opening quality has been guaranteed, the quality of junction has been guaranteed, it is convenient to be under construction, cyclic utilization's time has been increased, wear the long-term use in-process of board creeping formwork at hydraulic pressure, can guarantee its end opening butt joint quality.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention; the primary objects and other advantages of the invention may be realized and attained by the instrumentalities particularly pointed out in the specification.
Drawings
FIG. 1 is a schematic side view of the overall structure of an embodiment of the present invention;
FIG. 2 is a side view schematic illustration of a wood form panel of an embodiment of the present invention;
FIG. 3 is a schematic front view of a wood form according to an embodiment of the invention;
fig. 4 is a schematic front view of a wooden form according to a second embodiment of the invention;
Fig. 5 is a schematic front view of a wooden template according to a fourth embodiment of the invention;
FIG. 6 is a schematic structural diagram of a fifth embodiment of the present invention;
fig. 7 is a schematic structural diagram of a sixth embodiment of the present invention.
Reference numerals are as follows: 1. climbing a formwork upright column; 2. a top platform; 3. a cantilever beam; 4. a wood template; 41. a rectangular panel; 42. wood beam transverse corrugation; 43. longitudinal corrugation of the battens; 431. longitudinal ridges of the first row of battens; 432. longitudinal ridges of a second row of battens; 44. square steel; 45. a first square steel; 46. second square steel; 47. a first angle steel; 48. a bolt; 49. a second angle steel; 5. back corrugation; 6. a jacking system.
Detailed Description
The technical solutions of the present invention are described in detail below by examples, and the following examples are only exemplary and can be used only for explaining and illustrating the technical solutions of the present invention, but not construed as limiting the technical solutions of the present invention.
With reference to fig. 1-3, a formwork lower opening protection structure of a hydraulic template creeping formwork comprises a formwork upright post 1, a top platform 2, an outrigger 3, a jacking system 6, two formworks 4 installed at the bottom end of the outrigger 3, wherein the two formworks 4 are poured, each formwork 4 comprises a rectangular panel 41, a batten transverse ridge 42, a batten longitudinal ridge 43, square steel 44 and a back ridge, the batten transverse ridge 42 is fixed at the top end of the back of the rectangular panel 41 and is flush with the top end of the rectangular panel 41, the top end of the batten transverse ridge 42 is connected with the outrigger 3, the batten longitudinal ridges 43 are a plurality of vertical battens, the batten longitudinal ridges 43 comprise a first row of batten longitudinal ridges 431 and a second row of batten longitudinal ridges 432, the first row of batten longitudinal ridges 431 is fixedly attached to the rectangular panel 41, the top end of the first row of batten longitudinal ridges is fixedly connected with the batten transverse ridges 42, the second row of batten longitudinal ridges 432 is fixed at the bottom end of the batten transverse ridge 42 far away from the first row of battens, and the second row of longitudinal ridges 41 have a distance 432 between the batten longitudinal ridges, stupefied 432 is indulged to second row flitch and is provided with the stupefied structure of back of the body in one side of keeping away from rectangular panel 41, and square steel 44 includes first square steel 45 and second square steel 46, and first square steel 45 is fixed and is indulged stupefied 431's bottom and laminate with rectangular panel 41 in first row flitch, and second square steel 46 is fixed and is indulged stupefied 432's bottom in second row flitch, and first square steel 45 and second square steel 46's bottom all flushes with rectangular panel 41's bottom.
It indulges stupefied 43 assurance plank sheathing 4's structural strength height to set up two rows of battens on plank sheathing 4, stupefied 431 is indulged to first row of battens and second row of battens indulge the bottom of stupefied 432 and be provided with square steel 44 and fix, the intensity of 4 bottoms of plank sheathing has been strengthened, the reinforcement of 4 holistic intensity of plank sheathing and end opening quality has been guaranteed in the combination of stupefied 43 and square steel 44 is indulged to two rows of battens, the damage after having avoided the end opening to use for a long time, the end opening quality has been guaranteed, the quality of junction has been guaranteed, it is convenient to construct, cyclic utilization's time has been increased, wear the long-term use of board creeping formwork at hydraulic pressure, can guarantee its end opening butt joint quality.
The stupefied 431 is indulged to rectangle panel 41, the horizontal stupefied 42 of flitch, first row of flitch and the stupefied 432's of second row flitch connected mode can be prior art's multiple fastening mode, connects through penetrating the nail in this embodiment, has the quick simple and convenient of construction, firm in connection's advantage.
Example one
First square steel 45 is indulged stupefied 431 with first row of flitch and is passed through self-tapping screw fixed, and second square steel 46 is indulged stupefied 432 with the second row of flitch and is passed through self-tapping screw fixed, and first square steel 45 and second square steel 46 can adopt self-tapping screw to fix, construction convenience.
Example two
Referring to fig. 4, first angle steels 47 are welded on the first square steel 45 and the second square steel 46 respectively, and the first angle steels 47 are fixed on the first row of wood square back ridges and the second row of wood square back ridges through wood screws respectively.
Set up first angle steel 47 on square steel 44, rethread first angle steel 47 and wood screw fix on first row of flitch back of the body is stupefied and second row flitch back of the body, can use the special wood screw that the flitch was connected, connect the fastening, connect and can obtain guaranteeing.
EXAMPLE III
As shown in fig. 3 and 4, the first square steel 45 and the second square steel 46 are arranged along the width direction of the rectangular formwork, and the first square steel 45 and the second square steel 46 can be arranged by adopting the whole square steel 44, so that the construction is convenient.
Example four
As shown in fig. 5, the first square steels 45 and the second square steels 46 are arranged at intervals along the width direction of the rectangular formwork in a segmented manner, and the first square steels 45 and the second square steels 46 can also be arranged in a segmented manner, so that although the construction steps are increased, the materials are saved, and the segmented steel pipes can utilize redundant short steel pipes to utilize waste materials.
EXAMPLE five
As shown in fig. 6, the first square steel 45 and the second square steel 46 are connected through a bolt 48, and the first square steel 45 and the second square steel 46 are connected, so that the stability of the whole structure is high, and the construction quality is guaranteed.
EXAMPLE six
As shown in fig. 7, second angle steels 49 are welded to the first square steel 45 and the second square steel 46 respectively, the second angle steels 49 are connected through bolts 48, and the connection is located outside the square steel 44, so that construction is convenient.
EXAMPLE seven
A construction method of a wood template lower opening protection structure of a hydraulic plate-penetrating creeping formwork comprises the following steps,
step one, designing and preparing a template, drawing a template cutting jigsaw by using template design software according to the geometric dimension of the concrete wall column given by a building and structure construction drawing, and calculating the distance between a first row of batten longitudinal ridges 431 and a second row of batten longitudinal ridges 432 of the wall column template and the distance and the diameter of split bolts 48;
step two, fixing the longitudinal edges 431 of the first row of battens on the rectangular panel 41;
step three, fixing the second row of batten longitudinal edges 432 on the batten transverse edges 42;
step four, fixing the first square steel 45 on the longitudinal edges 431 of the first row of battens and the rectangular panel 41;
step five, fixing the second square steel 46 at the bottom end of the second row of batten longitudinal edges 432;
step six, connecting the first square steel 45 and the second square steel 46 to complete the installation of the wood formwork 4;
step seven, constructing and arranging a jacking system, a creeping formwork upright post 1, a top platform 2 and a cantilever beam 3;
step eight, mounting the two wood formworks 4 at the bottom end of the cantilever beam 3, and arranging the rectangular panels 41 of the two wood formworks 4 oppositely;
step nine, mounting a back ridge structure to fix the two templates, and then pouring;
Step ten, dismantling the wood formwork 4 after the concrete reaches the strength.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that may be considered by those skilled in the art within the technical scope of the present invention disclosed herein should be covered within the scope of the present invention.
Claims (9)
1. A wooden template lower opening protection structure of a hydraulic plate-penetrating creeping formwork is characterized in that; comprises a climbing formwork upright post (1), a top platform (2), an outrigger (3), a jacking system (6) and two wooden formworks (4) arranged at the bottom end of the outrigger (3), wherein pouring is carried out between the two wooden formworks (4), each wooden formwork (4) comprises a rectangular panel (41), a wooden transverse rib (42), a wooden longitudinal rib (43), square steel (44) and a back rib, the wooden transverse rib (42) is fixed at the top end of the back surface of the rectangular panel (41) and is flush with the top end of the rectangular panel (41), the top end of the wooden transverse rib (42) is connected with the outrigger (3), the wooden longitudinal rib (43) is a plurality of vertical battens, the wooden longitudinal rib (43) comprises a first row of wooden longitudinal ribs (431) and a second row of wooden longitudinal ribs (432), the first row of wooden longitudinal ribs (431) is fixedly attached to the rectangular panel (41), the top end of the first row of wooden longitudinal ribs (432) is fixedly connected with the wooden transverse rib (42), and the second row of longitudinal ribs (432) is fixedly arranged at the bottom end of the wooden transverse rib (432), stupefied (431) are indulged to first row flitch and the bottom of second row flitch indulge stupefied (432) and the bottom of rectangle panel (41) have the interval, the second row flitch indulges stupefied (432) one side of keeping away from rectangle panel (41) and is provided with the stupefied structure of back of the body, square steel (44) are including first square steel (45) and second square steel (46), first square steel (45) are fixed and are indulged the bottom of stupefied (431) and laminate with rectangle panel (41) in first row flitch, second square steel (46) are fixed and are indulged the bottom of stupefied (432) in second row flitch, the bottom of first square steel (45) and second square steel (46) all flushes with the bottom of rectangle panel (41).
2. The wooden template lower opening protection structure of the hydraulic plate-penetrating creeping formwork according to claim 1, characterized in that: the first square steel (45) and the first row of batten longitudinal edges (431) are fixed through self-tapping screws, and the second square steel (46) and the second row of batten longitudinal edges (432) are fixed through self-tapping screws.
3. The wooden template lower opening protection structure of the hydraulic plate-penetrating creeping formwork according to claim 1, characterized in that: first angle steel (47) are welded on the first square steel (45) and the second square steel (46) respectively, and the first angle steel (47) are fixed on the first row of batten back edges and the second row of batten back edges through wood screws respectively.
4. The wooden template lower opening protection structure of the hydraulic plate-penetrating creeping formwork according to claim 1, characterized in that: the first square steel (45) and the second square steel (46) are arranged along the width direction of the rectangular template.
5. The wooden template lower opening protection structure of the hydraulic plate-penetrating creeping formwork according to claim 1, characterized in that: the first square steel (45) and the second square steel (46) are arranged at intervals along the width direction of the rectangular template in a segmented mode.
6. The wood formwork lower opening protection structure of the hydraulic plate-penetrating creeping formwork according to claim 1, characterized in that: the first square steel (45) and the second square steel (46) are connected by a bolt (48).
7. The wooden template lower opening protection structure of the hydraulic plate-penetrating creeping formwork according to claim 1, characterized in that: second angle steel (49) are welded on the first square steel (45) and the second square steel (46) respectively, and the second angle steel (49) are connected through bolts (48).
8. The wooden template lower opening protection structure of the hydraulic plate-penetrating creeping formwork according to claim 1, characterized in that: rectangular panel (41), the stupefied (42) are violently indulged to flitch, stupefied (431) are indulged to the first row flitch and stupefied (432) are indulged to the second row flitch through penetrating nail fixed connection.
9. The construction method of the lower opening protection structure of the wood formwork of the hydraulic plate-penetrating creeping formwork according to any one of claims 1 to 8 is characterized in that: comprises the following steps of (a) preparing a solution,
step one, template design and preparation, namely drawing template cutting jigsaw by using template design software according to the geometric dimension of the concrete wall column given by a building and structure construction drawing, and calculating the distance between a first row of batten longitudinal edges (431) and a second row of batten longitudinal edges (432) of a wall column template and the distance and the diameter of split bolts (48);
fixing the longitudinal edges (431) of the first row of battens on the rectangular panel (41);
step three, fixing the second row of batten longitudinal edges (432) on the batten transverse edges (42);
Fixing first square steel (45) on the longitudinal edges (431) of the first row of battens and the rectangular panel (41);
fixing second square steel (46) at the bottom end of the second row of batten longitudinal edges (432);
sixthly, connecting the first square steel (45) with the second square steel (46) to complete the installation of the wood formwork (4);
step seven, constructing and arranging a jacking system, a creeping formwork upright post (1), a top platform (2) and a cantilever beam (3);
step eight, mounting the two wood templates (4) at the bottom end of the cantilever beam (3) and arranging the rectangular panels (41) of the two wood templates (4) oppositely;
step nine, mounting a back ridge structure to fix the two templates, and then pouring;
step ten, dismantling the wood formwork (4) after the concrete reaches the strength.
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| CN202210317308.3A CN114753618A (en) | 2022-03-29 | 2022-03-29 | Wood formwork lower opening protection structure of hydraulic plate-penetrating creeping formwork and construction method of wood formwork lower opening protection structure |
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| CN202210317308.3A CN114753618A (en) | 2022-03-29 | 2022-03-29 | Wood formwork lower opening protection structure of hydraulic plate-penetrating creeping formwork and construction method of wood formwork lower opening protection structure |
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2022
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|---|---|---|---|---|
| FR1127350A (en) * | 1954-07-20 | 1956-12-13 | Slip formwork for concrete work | |
| CH702763A2 (en) * | 2010-02-26 | 2011-08-31 | Paul Burkhard | Flexible circular formwork, has boarding skin consisting of individual massif wooden strips that exhibit hole in center and are lined up and connected to each other by plastic tube that is pulled by hole |
| CN102409852A (en) * | 2011-09-30 | 2012-04-11 | 中国二十二冶集团有限公司 | Construction method for wood formwork with bigger circular structure by taking reinforcing steel bar as lateral rear edge |
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| CN107905534A (en) * | 2017-11-30 | 2018-04-13 | 上海宝冶集团有限公司 | The method for fixing formwork for placing with square steel tube replacement flitch |
| CN209468876U (en) * | 2018-12-28 | 2019-10-08 | 中冶天工集团天津有限公司 | A kind of assembled integrated wall external thermal insulation template reinforcing device |
| CN111550041A (en) * | 2020-05-15 | 2020-08-18 | 北京卓良模板有限公司 | Climbing formwork for penetrating plate |
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