CN115306037B - Construction method of inclined core tube - Google Patents
Construction method of inclined core tube Download PDFInfo
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- CN115306037B CN115306037B CN202211011372.5A CN202211011372A CN115306037B CN 115306037 B CN115306037 B CN 115306037B CN 202211011372 A CN202211011372 A CN 202211011372A CN 115306037 B CN115306037 B CN 115306037B
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- inclined wall
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- 238000010276 construction Methods 0.000 title claims abstract description 67
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 69
- 239000010959 steel Substances 0.000 claims abstract description 69
- 230000002787 reinforcement Effects 0.000 claims abstract description 10
- 238000009415 formwork Methods 0.000 claims description 33
- 238000005266 casting Methods 0.000 claims description 13
- 238000003466 welding Methods 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 3
- 239000012779 reinforcing material Substances 0.000 claims description 3
- 206010061224 Limb discomfort Diseases 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 5
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 5
- 241001330002 Bambuseae Species 0.000 abstract description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 5
- 239000011425 bamboo Substances 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/35—Extraordinary methods of construction, e.g. lift-slab, jack-block
- E04B1/3505—Extraordinary methods of construction, e.g. lift-slab, jack-block characterised by the in situ moulding of large parts of a structure
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/34—Extraordinary structures, e.g. with suspended or cantilever parts supported by masts or tower-like structures enclosing elevators or stairs; Features relating to the elastic stability
- E04B1/3404—Extraordinary structures, e.g. with suspended or cantilever parts supported by masts or tower-like structures enclosing elevators or stairs; Features relating to the elastic stability supported by masts or tower-like structures
-
- 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
- E04G11/02—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for rooms as a whole by which walls and floors are cast simultaneously, whole storeys, or whole buildings
-
- 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
- E04G11/062—Forms for curved walls
-
- 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
- E04G11/08—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring
-
- 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
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
- E04G13/06—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for stairs, steps, cornices, balconies, or other parts corbelled out of the wall
- E04G13/062—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for stairs, steps, cornices, balconies, or other parts corbelled out of the wall for stairs or steps
-
- 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
- E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
- E04G17/065—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning
- E04G17/0651—One-piece elements
- E04G17/0652—One-piece elements fully recoverable
-
- 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
- E04G17/14—Bracing or strutting arrangements for formwalls; Devices for aligning forms
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/35—Extraordinary methods of construction, e.g. lift-slab, jack-block
- E04B2001/3572—Extraordinary methods of construction, e.g. lift-slab, jack-block using templates or jigs to set out buildings or parts thereof
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention discloses a construction method of an inclined core barrel, which comprises the steps of pre-burying a presser foot and an inclined strut steel bar head on the surface of a bottom floor where the inclined core barrel is positioned, and pouring the bottom floor; simulating vertical rod points of a hall-full support frame outside the inclined core tube and a stair frame inside the inclined core tube by using a total station, and paying off the vertical rod points; setting up the hall-filling support frame and the stair frame through the vertical rod points; respectively carrying out reinforcement binding construction of an inclined wall body, a vertical wall body and stairs on two sides of the inclined core tube according to a designed inclination angle, erecting and pouring a template, and tying and fixing the full-hall support frame body and the template; the construction problem of slope core section of thick bamboo has been solved to this scheme, compares in traditional construction protection, the independent mode that sets up of template, and this scheme is with both integrating as an organic wholely, has improved the quality and the safety and stability of construction by a wide margin.
Description
Technical Field
The invention relates to the technical field of construction methods of inclined core tubes, in particular to a construction method of an inclined core tube.
Background
Along with the rapid development of the building industry in China, the pursuit of the building forms by people is endless, and the complexity and the construction difficulty of construction are improved due to the appearance of various novel building forms; through continuous comparison and selection, under the structural form of the inclined core tube, the traditional formwork support system has good reliability, and the traditional construction method of the inclined core tube has complicated operation on the formwork support system, and is difficult to control the construction quality, the safety stability and the inclination of the inclined core tube; therefore, there is an urgent need for a construction method of an inclined core tube in combination with a formwork support system.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a construction method of an inclined core tube, which solves the problem that the construction quality and the safety and stability of the inclined core tube are difficult to control when the inclined core tube is constructed in the prior art.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
provided is a construction method of an inclined core tube, comprising the following steps:
s1: pre-burying a presser foot and a diagonal bracing steel bar head on the plate surface of a bottom floor where the inclined core barrel is positioned, pouring the bottom floor, and carrying out the next step after the pouring strength of the plate surface reaches the standard;
s2: simulating vertical rod points of a hall-full support frame outside the inclined core tube and a stair frame inside the inclined core tube by using a total station, and paying off the vertical rod points;
s3: setting up the hall-filling support frame and the stair frame through the vertical rod points;
s4: respectively carrying out reinforcement binding construction of a first section of inclined wall body at two sides of an inclined core tube according to a designed inclination angle, carrying out reinforcement binding construction of a first section of stair between the first section of inclined wall bodies at two sides, respectively carrying out reinforcement binding construction of a first section of vertical wall body between two ends of the first section of inclined wall body at two sides, and setting up a corresponding first section of inclined wall body pouring template, a first section of stair pouring template and a first section of vertical wall body pouring template, wherein the lower ends of the inclined wall body pouring templates are all fixed in a limiting manner through pressure feet on a bottom floor slab;
s5: supporting the first section of inclined wall pouring template through a plurality of inclined strut steel pipes, wherein one ends of the inclined strut steel pipes are fixedly inserted into the inclined strut steel bar heads, and the other ends of the inclined strut steel pipes are fixedly abutted to the end face of the inclined direction side of the first section of inclined wall pouring template;
s6: embedding a plurality of clamping rings on the first section of inclined wall body pouring templates at two sides, oppositely pulling the clamping rings at two sides through inclined steel wire ropes, embedding inclined support reinforcing steel bar heads for inclined supporting the next section of inclined wall body inwards on the first section of stair pouring templates, adjusting vertical rods of the full-hall support frame body, and embedding the vertical rods into the first section of inclined wall body pouring templates in advance;
s7: performing concrete pouring on the first section of inclined wall pouring template, the first section of stair pouring template and the first section of vertical wall pouring template;
s8: the full-hall support frame body and the first section of inclined wall body pouring template are subjected to tie fixation to form a structure whole, and the next step is carried out after the pouring strength of the first section of inclined wall body, the first section of stairs and the first section of vertical wall body reach the standard;
s9: and on the basis of the first section of inclined wall body, the first section of stairs and the first section of vertical wall body, pouring construction of the second section of inclined wall body, the second section of stairs and the second section of vertical wall body is performed according to the same pouring construction mode, and the like until the pouring construction of the whole inclined core tube is completed.
The beneficial effects of adopting above-mentioned technical scheme are: the construction method of the scheme adopts a traditional template supporting system, so that staff has sufficient relevant working experience, and a quality system is ensured to a certain extent; compared with the traditional template supporting system, the full-hall frame supporting is added, and the safety and stability of the template system are improved; the inclined walls on two sides are oppositely pulled by adopting the steel wire ropes and supported by adopting the inclined support steel pipes, so that a fixing structure of 'inner support and outer pull' is formed, the inclination of the inclined walls is ensured, and the construction quality and the safety and stability are improved.
Further, the presser foot is in a convex shape with a hollow inside, the inside of the presser foot is tightly propped up by a reinforcing material, and the diagonal bracing steel bar head is in an inverted T shape and is obliquely arranged on the vertical section of the diagonal bracing steel bar head.
The beneficial effects of adopting above-mentioned technical scheme are: after the presser foot and the diagonal bracing steel bar head are buried in the concrete, the structure is stable and is not easy to deviate, so that a good limiting and fixing effect is achieved, meanwhile, the presser foot adopts an internal hollow structure and is tightly propped by I-steel or square timber, so that the material cost of the presser foot is saved while the structure of the presser foot is stable.
Further, the first section inclined wall pouring formwork and the first section vertical wall pouring formwork comprise two supporting formworks which are fixedly connected through a plurality of split bolts which are uniformly distributed.
The beneficial effects of adopting above-mentioned technical scheme are: when two support templates are fixedly connected through the split bolt, the split bolt also plays a certain reinforcing role on the inclined wall body and the vertical wall body, and meanwhile, the end part of the split bolt can also serve as an abutting supporting point of the inclined strut steel pipe and a welding point fixed with a full-hall support frame body in a drawknot manner, so that the limiting and fixing of the support templates are facilitated.
Further, the first section of stair pouring template comprises two sections of stair platform pouring templates and two sections of stair pouring templates, and the diagonal bracing steel bar head is pre-buried on the stair platform pouring templates.
The beneficial effects of adopting above-mentioned technical scheme are: the two sections of stair platform pouring templates and the two sections of stair pouring templates just correspond to the first section of inclined wall pouring templates, so that the first section of inclined wall pouring templates are conveniently inclined by inclined strut steel pipes.
Further, an adjusting jacking is arranged at the abutting end of the diagonal bracing steel pipe and the first section of inclined wall body pouring template, so that the diagonal bracing steel pipe can be conveniently fastened to the first section of inclined wall body pouring template.
Step S7, pouring is carried out by adopting a tower crane, and a customized hopper filled with concrete is lifted to a pouring area through the tower crane for pouring; because the frame body of this scheme arranges the area great, can't take conventional pump line to pour during the construction, consequently pour through the mode of tower crane handling, make construction simple and convenient swift.
Further, the construction method for tie fixation in the step S8 includes that the first section of inclined wall pouring formwork and the full-hall support frame body are welded through steel bars and/or the cross bars of the full-hall support frame body are embedded in the first section of inclined wall pouring formwork and/or the steel bars for welding with the cross bars of the full-hall support frame body are embedded in the first section of inclined wall pouring formwork.
The beneficial effects of adopting above-mentioned technical scheme are: through the construction method of drawknot fixation, the full-hall support frame body and the first section inclined wall body pouring formwork form a structure whole, so that the lateral supporting force of the pouring formwork on the pouring concrete is improved, the inclined wall body is prevented from being deviated, and the safety and stability of construction are improved.
Further, the two ends of the steel wire rope are provided with the turnbuckle bolts for tensioning, the inclination direction of the steel wire rope is the same as that of the inclined wall, and the inclination direction of the inclined strut steel pipe is opposite to that of the inclined wall; the arrangement makes the acting force of the steel wire rope and the inclined strut steel pipe on the inclined wall body be in a state of being in opposite directions, and is beneficial to limiting and fixing of the inclined wall body.
Further, a plurality of scissor struts used for reinforcing the full-hall support frame body are arranged on the full-hall support frame body, and the plurality of scissor struts are in net-shaped cross arrangement.
Further, the inclination angles of the inclined walls on the two sides of the inclined core tube are the same.
The beneficial effects of the invention are as follows:
the construction problem of slope core section of thick bamboo has been solved to this scheme, compares in traditional construction protection, the independent mode that sets up of template, and this scheme combines both as an organic wholely, has improved the quality and the safety and stability of construction by a wide margin, and the time limit for a project is compared in ordinary core section of thick bamboo basically no difference, and this scheme does not newly add construction restriction, has very high compatibility, is applicable to the construction of most slope core section of thick bamboo at present.
Drawings
Fig. 1 is a schematic structural view of a first section of poured inclined wall and a first section of stairs.
Fig. 2 is a schematic structural view of a casting of a second section of inclined wall and a second section of stairway.
Fig. 3 is a schematic view of a structure of a poured vertical wall.
Fig. 4 is a schematic structural view of the presser foot.
Fig. 5 is a schematic structural view of a diagonal bracing head.
The novel steel bar pile comprises a steel bar pile body, a presser foot, a diagonal bracing steel bar head, a bottom floor slab, a full-hall support frame body, a stair support body, a first section inclined wall body pouring template, a first section stair pouring template, a first section inclined wall body pouring template, a first section vertical wall body pouring template, a first section inclined bracing steel tube, a clamp ring, a 11, a steel wire rope, a 12, a vertical rod, a 13, a supporting template, a 14, a split bolt, a 15, a stair platform pouring template, a 16, a stair pouring template, a 17, a cross rod, a 18, a scissor stay bar, a 19, I-steel, a 20 and square timber.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and all the inventions which make use of the inventive concept are protected by the spirit and scope of the present invention as defined and defined in the appended claims to those skilled in the art.
As shown in fig. 1 to 3, the construction method of the inclined core tube of the present embodiment includes the steps of:
s1: pre-burying a presser foot 1 and a diagonal bracing steel bar head 2 on the plate surface of a bottom floor slab 3 where the inclined core barrel is positioned, pouring the bottom floor slab 3, and performing the next step after the pouring strength of the plate surface reaches the standard; as shown in fig. 4 and 5, the presser foot 1 is in a convex shape with hollow inside, the inside of the presser foot 1 is tightly propped by a reinforcing material such as I-steel 19 or square timber 20, the diagonal bracing steel bar head 2 is in an inverted T shape, and the vertical section of the diagonal bracing steel bar head 2 is bent;
s2: simulating vertical rod points of a hall-full support frame 4 outside the inclined core tube and a stair frame 5 inside the inclined core tube by using a total station, and paying off the vertical rod points;
s3: setting up the hall-filling support frame 4 and the stair frame 5 through vertical rod points;
s4: respectively carrying out reinforcement binding construction of a first section of inclined wall body at two sides of an inclined core tube according to a designed inclination angle, enabling the inclination angles of the first section of inclined wall body at two sides of the inclined core tube to be the same, carrying out reinforcement binding construction of a first section of stair between the first section of inclined wall bodies at two sides, respectively carrying out reinforcement binding construction of a first section of vertical wall body between two ends of the first section of inclined wall body at two sides, and erecting a corresponding first section of inclined wall body pouring template 6, a first section of stair pouring template 7 and a first section of vertical wall body pouring template 8, wherein the lower ends of the inclined wall body pouring templates are all fixed in a limiting mode through a presser foot 1 on a bottom floor slab 3;
s5: supporting the first section of inclined wall pouring formwork 6 through a plurality of inclined strut steel pipes 9, wherein one ends of the inclined strut steel pipes 9 are fixedly inserted into the inclined strut steel bar heads 2, the other ends of the inclined strut steel pipes 9 are fixedly abutted against the end face of the inclined direction side of the first section of inclined wall pouring formwork 6, and an adjusting jacking is arranged at the abutting end of the inclined strut steel pipes 9 and the first section of inclined wall pouring formwork 6, so that the inclined strut steel pipes 9 are conveniently and tightly abutted against the first section of inclined wall pouring formwork 6;
s6: a plurality of clamping rings 10 are pre-embedded on the first section inclined wall body pouring templates 6 at two sides, the clamping rings 10 at two sides are oppositely pulled through inclined steel wire ropes 11, inclined support reinforcing steel bar heads 2 for inclined support of the next section inclined wall body inwards are pre-embedded on the first section stair pouring templates 7, vertical rods 12 of the full-hall support frame body 4 are adjusted, and the vertical rods 12 are pre-embedded into the first section inclined wall body pouring templates 6 in advance; the two ends of the steel wire rope 11 are provided with the turnbuckle bolts for tensioning, the inclination direction of the steel wire rope 11 is the same as that of the inclined wall, and the inclination direction of the inclined strut steel pipe 9 is opposite to that of the inclined wall, so that the acting force of the steel wire rope 11 and the inclined strut steel pipe 9 on the inclined wall is in a state of being opposite to each other, and the limiting and fixing of the inclined wall are facilitated;
s7: concrete pouring is carried out on the first section of inclined wall pouring template 6, the first section of stair pouring template 7 and the first section of vertical wall pouring template 8; specifically, the customized hopper filled with concrete is lifted and conveyed by the tower crane to a pouring area for pouring, and the conventional pump pipe cannot be adopted for pouring during construction due to the large arrangement area of the frame body, so that the construction is simple, convenient and quick.
S8: the method comprises the steps of carrying out tie fixation on the full-hall support frame body 4 and the first section inclined wall body pouring formwork 6, wherein the tie fixation construction method comprises the steps of welding the first section inclined wall body pouring formwork 6 and the full-hall support frame body 4 through steel bars, embedding a cross bar 17 of the full-hall support frame body 4 in the first section inclined wall body pouring formwork 6, embedding steel bars used for welding with the cross bar 17 of the full-hall support frame body 4 on the first section inclined wall body pouring formwork 6, and forming a structural whole by the full-hall support frame body 4 and the first section inclined wall body pouring formwork 6 in an optional mode, so that the lateral supporting force of the pouring formwork on pouring concrete is improved, the inclined wall body is prevented from being deviated, and the safety and stability of construction are improved; after the casting strength of the first section of inclined wall body, the first section of stairs and the first section of vertical wall body reach the standard, carrying out the next step;
s9: and on the basis of the first section of inclined wall body, the first section of stairs and the first section of vertical wall body, pouring construction of the second section of inclined wall body, the second section of stairs and the second section of vertical wall body is performed according to the same pouring construction mode, and the like until the pouring construction of the whole inclined core tube is completed.
In particular, starting from the second section of inclined wall, the lower end of the inclined steel pipe 9 for supporting the inclined wall inclined outwards is not fixedly sleeved on the inclined steel bar head 2 on the bottom floor slab 3, but is fixedly sleeved on the full-hall supporting frame body 4, so that the material consumption of the inclined steel pipe 9 is saved.
The construction method of the scheme adopts a traditional template supporting system, so that staff has sufficient relevant working experience, and a quality system is ensured to a certain extent; compared with the traditional template supporting system, the full-hall frame supporting is added, and the safety and stability of the template system are improved; the inclined walls on two sides are oppositely pulled by adopting the steel wire ropes 11 and supported by adopting the inclined support steel pipes 9, so that a fixing structure of 'inner support and outer pull' is formed, the inclination of the inclined walls is ensured, and the construction quality and the safety and stability are improved.
Specifically, in the scheme, the first section inclined wall pouring formwork 6 and the first section vertical wall pouring formwork 8 preferably comprise two support formworks 13, and the two support formworks 13 are fixedly connected through a plurality of split bolts 14 which are uniformly distributed; the split bolts 14 play a certain role in reinforcing the inclined wall body and the vertical wall body while the split bolts 14 realize the fixed connection of the two support templates 13; meanwhile, the end part of the split bolt 14 can also be used as an abutting supporting point of the inclined strut steel pipe 9 and a welding point which is fixedly tied with the full-hall support frame body 4, so that the limit and the fixation of the support template 13 are facilitated; the first section of stair casting template 7 comprises two sections of stair platform casting templates 15 and two sections of stair casting templates 16, and diagonal bracing steel bar heads 2 are pre-embedded on the stair platform casting templates 15; the two-section stair platform pouring templates 15 and the two-section ladder pouring templates 16 just correspond to the first-section inclined wall pouring templates 6, so that the first-section inclined wall pouring templates 6 are conveniently inclined by the inclined strut steel pipes 9.
Specifically, this scheme is preferably provided with a plurality of scissors stay 18 that are used for strengthening full hall support body 4 on the full hall support body 4, and a plurality of scissors stay 18 are netted alternately and arrange.
To sum up, this scheme has solved the construction problem of slope core section of thick bamboo, compares in traditional construction protection, the independent mode that sets up of template, and this scheme combines both as an organic wholely, has improved the quality and the safety and stability of construction by a wide margin.
Claims (10)
1. The construction method of the inclined core tube is characterized by comprising the following steps of:
s1: pre-burying a presser foot (1) and a diagonal bracing steel bar head (2) on the plate surface of a bottom floor (3) where the inclined core barrel is positioned, pouring the bottom floor (3), and performing the next step after the pouring strength of the plate surface reaches the standard;
s2: simulating vertical rod points of a hall-full support frame (4) outside the inclined core tube and a stair frame (5) inside the inclined core tube by adopting a total station, and paying off the vertical rod points;
s3: setting up a hall-filling support frame body (4) and a stair frame body (5) through vertical rod points;
s4: respectively carrying out reinforcement binding construction of a first section of inclined wall body at two sides of an inclined core tube according to a designed inclination angle, carrying out reinforcement binding construction of a first section of stair between the first section of inclined wall bodies at two sides, respectively carrying out reinforcement binding construction of a first section of vertical wall body between two ends of the first section of inclined wall bodies at two sides, and erecting a corresponding first section of inclined wall body pouring template (6), a first section of stair pouring template (7) and a first section of vertical wall body pouring template (8), wherein the lower ends of the inclined wall body pouring templates are all fixed in a limiting manner through pressure feet (1) on a bottom floor slab (3);
s5: supporting the first section of inclined wall pouring template (6) through a plurality of inclined support steel pipes (9), wherein one ends of the inclined support steel pipes (9) are fixedly inserted into the inclined support steel bar heads (2), and the other ends of the inclined support steel pipes (9) are fixedly abutted to the end face of the inclined direction side of the first section of inclined wall pouring template (6);
s6: a plurality of clamping rings (10) are pre-buried on a first section of inclined wall pouring template (6) at two sides, the clamping rings (10) at two sides are oppositely pulled through inclined steel wire ropes (11), inclined support reinforcing steel bar heads (2) for inclined supporting the next section of inclined wall inwards are pre-buried on the first section of stair pouring template (7), vertical rods (12) of a full-hall support frame body (4) are adjusted, and the vertical rods (12) are pre-buried in the first section of inclined wall pouring template (6);
s7: performing concrete pouring on the first section of inclined wall pouring template (6), the first section of stair pouring template (7) and the first section of vertical wall pouring template (8);
s8: the full-hall support frame body (4) and the first section inclined wall body pouring template (6) are subjected to tie fixation to form a structure whole, and when the pouring strength of the first section inclined wall body, the first section stairs and the first section vertical wall body reach the standard, the next step is carried out;
s9: and on the basis of the first section of inclined wall, the first section of stairs and the first section of vertical wall, pouring construction of the second section of inclined wall, the second section of stairs and the second section of vertical wall is performed according to the construction modes of the steps S4-S8, and the like until the pouring construction of the whole inclined core barrel is completed.
2. The construction method of the inclined core tube according to claim 1, wherein the presser foot (1) is in a convex shape with a hollow inside, the inside of the presser foot (1) is tightly propped up by a reinforcing material, the diagonal bracing steel bar head (2) is in an inverted T shape, and the vertical section of the diagonal bracing steel bar head (2) is bent by adjusting.
3. The construction method of the inclined core tube according to claim 1, wherein the first section inclined wall pouring formwork (6) and the first section vertical wall pouring formwork (8) comprise two supporting formworks (13), and the two supporting formworks (13) are fixedly connected through a plurality of split bolts (14) which are uniformly distributed.
4. The construction method of the inclined core tube according to claim 1, wherein the first section of stair casting template (7) comprises two sections of stair platform casting templates (15) and two sections of stair casting templates (16), and the diagonal bracing bar head (2) is pre-buried on the stair platform casting templates (15).
5. The construction method of the inclined core tube according to claim 1, wherein an adjustable jacking is arranged at the abutting end of the inclined strut steel tube (9) and the first section of inclined wall pouring formwork (6).
6. The method for constructing an inclined core tube according to claim 1, wherein the step S7 is performed by using a tower crane, and the concrete-filled custom-made hopper is lifted by the tower crane to the pouring area.
7. The construction method of the inclined core tube according to claim 1, wherein the construction method of the tie fixation in the step S8 includes welding the first section inclined wall casting formwork (6) and the full-hall support frame (4) by steel bars, embedding the cross bars (17) of the full-hall support frame (4) in the first section inclined wall casting formwork (6) and/or embedding the steel bars for welding the cross bars (17) of the full-hall support frame (4) on the first section inclined wall casting formwork (6).
8. Construction method of an inclined core tube according to claim 1, characterized in that both ends of the wire rope (11) are provided with a basket bolt for tightening, the inclined direction of the wire rope (11) is the same as the inclined direction of the inclined wall, and the inclined direction of the inclined strut steel pipe (9) is opposite to the inclined direction of the inclined wall.
9. The construction method of the inclined core tube according to claim 1, wherein a plurality of scissor struts (18) for reinforcing the hall-full support frame body (4) are arranged on the hall-full support frame body (4), and the plurality of scissor struts (18) are arranged in a net-shaped and crossed manner.
10. The construction method of the inclined core tube according to claim 1, wherein the inclination angles of the inclined walls on both sides of the inclined core tube are the same.
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| CN112411882A (en) * | 2020-11-27 | 2021-02-26 | 上海宝冶集团有限公司 | Method for building ultrahigh and oversized space inclined cylindrical column |
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| JPH08319708A (en) * | 1995-05-25 | 1996-12-03 | Sekisui House Ltd | Outdoor stairway structure |
| CN103967277A (en) * | 2014-05-21 | 2014-08-06 | 中国建筑第八工程局有限公司 | Construction method of super-high-rise core tube inclined shear wall |
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