CN115306037A - Construction method of inclined core barrel - Google Patents
Construction method of inclined core barrel Download PDFInfo
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- CN115306037A CN115306037A CN202211011372.5A CN202211011372A CN115306037A CN 115306037 A CN115306037 A CN 115306037A CN 202211011372 A CN202211011372 A CN 202211011372A CN 115306037 A CN115306037 A CN 115306037A
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- 238000010276 construction Methods 0.000 title claims abstract description 67
- 238000009432 framing Methods 0.000 claims abstract description 11
- 230000002787 reinforcement Effects 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 59
- 239000010959 steel Substances 0.000 claims description 59
- 238000009415 formwork Methods 0.000 claims description 30
- 238000005266 casting Methods 0.000 claims description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 4
- 239000012779 reinforcing material Substances 0.000 claims description 3
- 210000002435 tendon Anatomy 0.000 claims description 3
- 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
- 229910001294 Reinforcing steel Inorganic materials 0.000 abstract description 5
- 239000011425 bamboo Substances 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
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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
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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
- E04B1/34—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
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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
- E04G11/02—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
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- 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 tube, which comprises the steps of pre-embedding presser feet and diagonal bracing reinforcing steel bar heads on the plate surface of a bottom floor slab where the inclined core tube is positioned, and pouring the bottom floor slab; simulating vertical rod points of a full support frame body outside the inclined core barrel and a stair frame body inside the inclined core barrel by using a total station, and paying off the vertical rod points; erecting the full-hall support frame body and the stair frame body through the vertical rod point positions; respectively performing reinforcement construction of an inclined wall body, a vertical wall body and a stair and erection and pouring of a template on two sides of the inclined core barrel according to the designed inclination angle, and fixing a full framing support body and the template in a pulling manner; the construction problem of slope core section of thick bamboo has been solved to this scheme, compares in the mode of traditional construction protection, template independent setting, and this scheme closes both as an organic wholely, has improved the quality and the safety and stability nature of construction by a wide margin.
Description
Technical Field
The invention relates to the technical field of construction methods of inclined core barrels, in particular to a construction method of an inclined core barrel.
Background
With the rapid development of the building industry in China, the pursuit of the building forms by people is endless at present, and the appearance of various novel building forms also improves the complexity of construction and the construction difficulty; through continuous comparison and selection, under the structural form of the inclined core barrel, the traditional template supporting system has good reliability, and the existing inclined core barrel construction method is complex in operation on the template supporting system and difficult to control the construction quality, the safety and the stability and the inclination of the inclined core barrel; therefore, a construction method of an inclined core tube in combination with a formwork support system is urgently needed.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a construction method of an inclined core barrel, which solves the problem that the construction quality and the safety and stability of the inclined core barrel are difficult to control when the inclined core barrel is constructed in the prior art.
In order to realize the purpose, the technical scheme adopted by the invention is as follows:
provided is a construction method of an inclined core tube, which includes the steps of:
s1: embedding a presser foot and an inclined strut reinforcing bar head on the plate surface of the bottom floor where the inclined core tube is located, pouring the bottom floor, and performing the next step after the pouring strength of the plate surface reaches the standard;
s2: simulating vertical rod point positions of a full-hall support frame body outside the inclined core barrel and a stair frame body inside the inclined core barrel by using a total station, and performing paying-off arrangement on the vertical rod point positions;
s3: erecting the full-hall support frame body and the stair frame body through the vertical rod point positions;
s4: respectively performing reinforcement construction of a first section of inclined wall body on two sides of the inclined core barrel according to a designed inclination angle, performing reinforcement construction of a first section of stair between the first sections of inclined wall bodies on the two sides, respectively performing reinforcement construction of a first section of vertical wall body between two ends of the first section of inclined wall bodies on the 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 end of the inclined wall body pouring template is limited and fixed through a pressure foot on a bottom floor slab;
s5: the method comprises the following steps that a first section of inclined wall body pouring formwork is supported through a plurality of inclined strut steel pipes, one ends of the plurality of inclined strut steel pipes are fixedly inserted into a plurality of inclined strut steel bar heads, and the other ends of the plurality of inclined strut steel pipes are fixedly abutted against the end face of the first section of inclined wall body pouring formwork in the inclined direction;
s6: embedding a plurality of clamp rings on the first section of inclined wall body pouring template at two sides, oppositely pulling the clamp rings at two sides through inclined steel wire ropes, embedding diagonal bracing steel bar heads for diagonal bracing the next section of wall body inclined towards the inner side on the first section of stair pouring template, adjusting the vertical rod of the full-hall support frame body, and embedding the vertical rod into the first section of inclined wall body pouring template in advance;
s7: pouring concrete into 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 framing support frame body and the first section of inclined wall body pouring template are subjected to tie fixing to form a structural 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 reaches the standard;
s9: 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 carried out according to the same pouring construction mode, and the rest is done until pouring construction of the whole inclined core tube is completed.
The beneficial effects of adopting the above technical scheme are: the construction method of the scheme adopts a traditional template support system, so that workers have sufficient related working experience, and a quality system is ensured to a certain extent; compared with the traditional template supporting system, the support of the full framing is added, and the safety and stability of the template system are improved; the inclined walls on the two sides are oppositely pulled by steel wire ropes and supported by inclined strut steel pipes to form a fixed structure of 'inner strut outer pull', so that the inclination of the inclined walls is guaranteed, and the construction quality and the safety and stability are improved.
Further, the presser foot is in a hollow protruding shape, the inside of the presser foot is tightly propped by a reinforcing material, the diagonal bracing steel bar head is in an inverted T shape, and the vertical section of the diagonal bracing steel bar head is obliquely arranged.
The beneficial effects of adopting the above technical scheme are: after presser foot and bracing reinforcing bar head are buried underground in the concrete, its structure is firm and is difficult for taking place the skew to play good spacing fixed action, the inside hollow structure of presser foot adoption simultaneously, and through I-steel or square timber with its top tight, when making the presser foot structure firm, saved presser foot material cost.
Furthermore, the first section of inclined wall pouring template and the first section of vertical wall pouring template both comprise two supporting templates which are fixedly connected through a plurality of uniformly distributed split bolts.
The beneficial effects of adopting the above technical scheme are: when realizing two template fixed connection of strutting through split bolt, also play certain reinforcing effect to slope wall body and vertical wall body to the split bolt, the butt strong point of bracing steel pipe and with the fixed welding point of full hall support frame body drawknot still can be regarded as to the tip of split bolt simultaneously, be convenient for to strutting the spacing fixed of template.
Furthermore, the first section of stair pouring template comprises two sections of stair platform pouring templates and two sections of stair step pouring templates, and the diagonal bracing reinforcing steel bar heads are pre-embedded in the stair platform pouring templates.
The beneficial effects of adopting the above technical scheme are: the two sections of stair platform pouring templates and the two sections of ladder pouring templates just correspond to the first section of inclined wall pouring template, so that the inclined struts are conveniently carried out on the first section of inclined wall pouring template through the inclined strut steel pipes.
Furtherly, the butt that the template was pour to bracing steel pipe and first section slope wall body is served and is provided with the regulation formula and hold in the palm, and the butt that the bracing steel pipe of being convenient for fastens is on first section slope wall body pours the template.
Further, step S7, pouring is carried out by adopting a tower crane, and the customized hopper filled with concrete is lifted to a pouring area by the tower crane for pouring; because the support body arrangement area of this scheme is great, can't take conventional pump line to pour during the construction, consequently pour through the mode of tower crane handling, make the construction simple and efficient.
Further, the construction method of the tie fixing in the step S8 includes welding the first section of inclined wall casting formwork with the full-hall support frame body through steel bars and/or embedding the cross bars of the full-hall support frame body in the first section of inclined wall casting formwork and/or embedding steel bars for welding the cross bars of the full-hall support frame body on the first section of inclined wall casting formwork.
The beneficial effects of adopting the above technical scheme are: through the construction method of tie fixing, the full-framing support frame body and the first-section inclined wall body pouring template form a structural whole, so that the lateral supporting force of the pouring template on poured concrete is improved, the inclined wall body is prevented from deviating, and the safety and stability of construction are improved.
Furthermore, the two ends of the steel wire rope are provided with the tightening turn buckle bolts, the inclination direction of the steel wire rope is the same as that of the inclined wall body, and the inclination direction of the inclined strut steel pipe is opposite to that of the inclined wall body; the steel wire rope and the inclined strut steel pipe are arranged in a state of being opposite to each other to the acting force of the inclined wall body, and the limiting and fixing of the inclined wall body are facilitated.
Furthermore, a plurality of scissor support rods used for reinforcing the full-hall supporting frame body are arranged on the full-hall supporting frame body, and the scissor support rods are arranged in a net-shaped crossed manner.
Furthermore, the inclined walls on the two sides of the inclined core tube have the same inclined angle.
The invention has the beneficial effects that:
the construction problem of a slope core section of thick bamboo has been solved to this scheme, compares in the mode of traditional construction protection, template independent setting, and this scheme closes both as an organic whole, has improved the quality and the safety and stability of construction by a wide margin, and the time limit is compared in a ordinary core section of thick bamboo and is not basically not different, and this scheme not newly increases the construction restriction, has very high compatibility, is applicable to the construction of a present most slope core section of thick bamboo.
Drawings
Fig. 1 is a schematic structural diagram of pouring a first section of inclined wall and a first section of stairs.
Fig. 2 is a schematic structural diagram of pouring a second section of inclined wall and a second section of stairs.
Fig. 3 is a schematic structural view of pouring a vertical wall.
Fig. 4 is a schematic view of the presser foot.
Fig. 5 is a schematic structural view of the bracing tendon head.
The building structure comprises a pressure foot 1, a pressure foot 2, an inclined strut steel bar head 3, a bottom floor slab 4, a full-hall support frame body 5, a stair frame body 6, a first section inclined wall pouring template 7, a first section stair pouring template 8, a first section vertical wall pouring template 9, an inclined strut steel pipe 10, a snap ring 11, a steel wire rope 12, a vertical rod 13, a support template 14, a split bolt 15, a stair platform pouring template 16, a step pouring template 17, a cross bar 18, a shear strut rod 19, I-steel, 20 and square timber.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the 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 it will be apparent to those skilled in the art that various changes may be made without departing from the spirit and scope of the invention as defined and defined in the appended claims, and all matters produced by the invention using the inventive concept are protected.
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 an inclined strut reinforcing steel bar head 2 on the plate surface of the bottom floor slab 3 where the inclined core tube is located, 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 hollow convex shape, the inside of the presser foot 1 is tightly propped by a reinforcing material such as an i-beam 19 or a 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 positions of a full support frame body 4 outside the inclined core barrel and a stair frame body 5 inside the inclined core barrel by using a total station, and performing paying-off arrangement on the vertical rod positions;
s3: erecting the full-hall support frame body 4 and the stair frame body 5 through the vertical rod point positions;
s4: respectively performing reinforcement construction of a first section of inclined wall body on two sides of an inclined core barrel according to a designed inclination angle, enabling the inclination angles of the first section of inclined wall body on the two sides of the inclined core barrel to be the same, performing reinforcement construction of a first section of stair between the first section of inclined wall body on the two sides, respectively performing reinforcement construction of a first section of vertical wall body between the two ends of the first section of inclined wall body on the two sides, and erecting a corresponding first section of inclined wall body pouring template 6, a corresponding first section of stair pouring template 7 and a corresponding first section of vertical wall body pouring template 8, wherein the lower end of the inclined wall body pouring template is limited and fixed through a pressure foot 1 on a bottom floor slab 3;
s5: the first section of inclined wall body pouring formwork 6 is supported through a plurality of inclined strut steel pipes 9, one ends of the plurality of inclined strut steel pipes 9 are fixedly inserted on the plurality of inclined strut steel bar heads 2, the other ends of the plurality of inclined strut steel pipes 9 are fixedly abutted against the end face of the first section of inclined wall body pouring formwork 6 in the inclined direction, and adjustable jacking supports are arranged at the abutted ends of the inclined strut steel pipes 9 and the first section of inclined wall body pouring formwork 6, so that the inclined strut steel pipes 9 can be conveniently and firmly abutted against the first section of inclined wall body pouring formwork 6;
s6: the method comprises the steps that a plurality of clamp rings 10 are pre-embedded in first-section inclined wall body pouring formworks 6 on two sides, the clamp rings 10 on the two sides are pulled oppositely through inclined steel wire ropes 11, inclined strut steel bar heads 2 for obliquely bracing a next section of wall body inclined towards the inner side are pre-embedded in first-section stair pouring formworks 7, vertical rods 12 of a full-hall support frame body 4 are adjusted, and the vertical rods 12 are pre-embedded into the first-section inclined wall body pouring formworks 6 in advance; the two ends of the steel wire rope 11 are provided with the tightening turn buckle bolts, 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 forces of the steel wire rope 11 and the inclined strut steel pipe 9 on the inclined wall are in a back-to-back state, and the limit fixation of the inclined wall is 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 customization hopper that is equipped with the concrete through the tower crane handling is pour to pouring the region, because the support body bank of this scheme area is great, can't take conventional pump line to pour during the construction, consequently pours through the mode of tower crane handling, makes the construction simple and efficient.
S8: the full-framing support frame body 4 and the first-stage inclined wall body pouring template 6 are subjected to drawknot fixation, wherein the construction method of the drawknot fixation comprises the steps that the first-stage inclined wall body pouring template 6 and the full-framing support frame body 4 are welded through reinforcing steel bars, the cross bars 17 of the full-framing support frame body 4 are pre-embedded in the first-stage inclined wall body pouring template 6, and reinforcing steel bars for welding the cross bars 17 of the full-framing support frame body 4 are pre-embedded on the first-stage inclined wall body pouring template 6, and one of three modes can be selected optionally, so that the full-framing support frame body 4 and the first-stage inclined wall body pouring template 6 form a structural whole, the lateral supporting force of the pouring template on poured concrete is improved, the inclined wall body is prevented from deviating, and the safety and stability of construction are improved; after the pouring strength of the first section of inclined wall body, the first section of stair and the first section of vertical wall body reaches the standard, carrying out the next step;
s9: on the basis of the first section of inclined wall body, the first section of stair and the first section of vertical wall body, the pouring construction of the second section of inclined wall body, the second section of stair and the second section of vertical wall body is carried out according to the same pouring construction mode, and the rest can be done by analogy until the pouring construction of the whole inclined core barrel is completed.
Particularly, from the second section of the inclined wall, the lower end of the inclined steel pipe 9 for supporting the inclined wall inclined to the outside is not fixedly sleeved on the inclined steel bar head 2 on the bottom floor 3, but is fixed on the full-space support frame body 4, so as to save the material of the inclined steel pipe 9.
The construction method of the scheme adopts a traditional template supporting system, so that workers have sufficient related working experience, and a quality system is ensured to a certain extent; compared with the traditional template supporting system, the support of the full framing is added, and the safety and stability of the template system are improved; the inclined walls on the two sides are oppositely pulled by the steel wire ropes 11 and supported by the inclined strut steel pipes 9, so that an inner strut and outer pull fixed structure is formed, the inclination of the inclined walls is guaranteed, and the construction quality and the safety and stability are improved.
Specifically, according to the scheme, the first section of inclined wall pouring template 6 and the first section of vertical wall pouring template 8 preferably comprise two supporting templates 13, and the two supporting templates 13 are fixedly connected through a plurality of uniformly distributed split bolts 14; the two supporting templates 13 are fixedly connected through the split bolts 14, and meanwhile, the split bolts 14 also play a certain reinforcing role in the inclined wall and the vertical wall; 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 for being fixedly connected with the full-space supporting frame body 4 in a pulling mode, so that the supporting template 13 is conveniently limited and fixed; the first stair pouring template 7 comprises two stair platform pouring templates 15 and two stair pouring templates 16, and the diagonal bracing steel bar heads 2 are pre-embedded on the stair platform pouring templates 15; the two sections of stair platform pouring templates 15 and the two sections of ladder pouring templates 16 just correspond to the first section of inclined wall pouring template 6, so that the first section of inclined wall pouring template 6 is conveniently inclined through the inclined strut steel pipes 9.
Specifically, be provided with a plurality of scissors vaulting poles 18 that are used for consolidating full hall and support frame body 4 on the preferred full hall support frame body 4 of this scheme, a plurality of scissors vaulting poles 18 are netted alternately arranging.
To sum up, the construction problem of slope core section of thick bamboo has been solved to this scheme, compares in the mode that traditional construction protection, template set up independently, and this scheme closes both as an organic whole, has improved the quality and the safety and stability of construction by a wide margin.
Claims (10)
1. A construction method of an inclined core barrel is characterized by comprising the following steps:
s1: pre-burying a presser foot (1) and an inclined strut reinforcing bar head (2) on the plate surface of a bottom floor (3) where the inclined core tube is located, pouring the bottom floor (3), and performing the next step after the pouring strength of the plate surface reaches the standard;
s2: a total station is adopted to simulate the vertical rod positions of a full-hall supporting frame body (4) outside the inclined core barrel and a stair frame body (5) inside the inclined core barrel, and the vertical rod positions are arranged in a paying-off mode;
s3: erecting the full-hall support frame body (4) and the stair frame body (5) through the vertical rod point positions;
s4: respectively performing reinforcement construction of a first section of inclined wall body on two sides of the inclined core barrel according to a designed inclination angle, performing reinforcement construction of a first section of stair between the first sections of inclined wall bodies on the two sides, respectively performing reinforcement construction of a first section of vertical wall body between two ends of the first sections of inclined wall bodies on 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 end of each inclined wall body pouring template is limited and fixed through a pressure foot (1) on a bottom floor slab (3);
s5: the first section of inclined wall body pouring formwork (6) is supported through a plurality of inclined strut steel pipes (9), one ends of the plurality of inclined strut steel pipes (9) are fixedly inserted on the plurality of inclined strut steel bar heads (2), and the other ends of the plurality of inclined strut steel pipes (9) are fixedly abutted against the end face of the first section of inclined wall body pouring formwork (6) in the inclined direction;
s6: the method comprises the following steps that a plurality of clamp rings (10) are embedded in first inclined wall pouring formworks (6) on two sides, the clamp rings (10) on the two sides are pulled oppositely through inclined steel wire ropes (11), diagonal bracing steel bar heads (2) used for bracing a next section of wall inclined inwards are embedded in the first stair pouring formworks (7), vertical rods (12) of a full-hall support frame body (4) are adjusted, and the vertical rods (12) are embedded into the first inclined wall pouring formworks (6);
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);
s8: the full framing support frame body (4) and the first section of inclined wall body pouring template (6) are fixed in a pulling mode to form a structural 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 reaches the standard;
s9: and (4) on the basis of the first section of inclined wall body, the first section of stair and the first section of vertical wall body, pouring construction of a second section of inclined wall body, a second section of stair and a second section of vertical wall body is carried out according to the construction mode of the steps S4-S8, and the rest is done until the pouring construction of the whole inclined core tube is completed.
2. The construction method of the inclined core tube as claimed in claim 1, wherein the presser foot (1) is formed in a convex shape with a hollow inside, the inside of the presser foot (1) is pressed tightly by a reinforcing material, the diagonal bracing tendon head (2) is formed in an inverted T shape, and the vertical section of the diagonal bracing tendon head (2) is turned.
3. The construction method of the inclined core tube according to claim 1, wherein the first section of inclined wall casting formwork (6) and the first section of vertical wall casting formwork (8) comprise two supporting formworks (13), and the two supporting formworks (13) are fixedly connected through a plurality of uniformly arranged split bolts (14).
4. The construction method of the inclined core barrel as claimed in claim 1, wherein the first section of stair casting formwork (7) comprises two sections of stair platform casting formwork (15) and two sections of stair step casting formwork (16), and the diagonal bracing reinforcement head (2) is embedded in the stair platform casting formwork (15).
5. The construction method of the inclined core tube as claimed in claim 1, wherein the abutting ends of the inclined strut steel tubes (9) and the first section of inclined wall pouring formwork (6) are provided with adjustable jacking supports.
6. The construction method of the inclined core tube according to claim 1, wherein the step S7 is implemented by adopting a tower crane for casting, and a customized hopper filled with concrete is lifted to a casting area by the tower crane for casting.
7. The construction method of the inclined core barrel according to claim 1, wherein the construction method of the tie fixing in the step S8 comprises the steps of welding the first section of inclined wall casting formwork (6) and the full supporting frame body (4) through steel bars, embedding the cross bars (17) of the full supporting frame body (4) in the first section of inclined wall casting formwork (6) and/or embedding steel bars for welding the cross bars (17) of the full supporting frame body (4) on the first section of inclined wall casting formwork (6).
8. The construction method of the inclined core tube as claimed in claim 1, wherein the wire rope (11) is provided at both ends thereof with turn-key bolts for tensioning, the wire rope (11) is inclined in the same direction as the inclined wall, and the inclined direction of the inclined strut steel tube (9) is opposite to the inclined wall.
9. The construction method of the inclined core barrel according to claim 1, wherein a plurality of shear braces (18) for reinforcing the full supporting frame body (4) are arranged on the full supporting frame body (4), and the shear braces (18) are arranged in a net shape in a crossed manner.
10. The method of claim 1, wherein the inclined walls of both sides of the inclined core tube are inclined at the same angle.
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| CN108265885A (en) * | 2017-07-14 | 2018-07-10 | 上海宝冶集团有限公司 | The construction method of tall and big nonopiate high inclination-angle abnormal shape concrete batter post |
| CN209482679U (en) * | 2018-11-07 | 2019-10-11 | 上海建工一建集团有限公司 | Tub brace type integral steel platform suitable for sloping core construction |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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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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