CN113931446B - Construction method of one-time pouring bay window formwork erecting structure - Google Patents

Construction method of one-time pouring bay window formwork erecting structure Download PDF

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Publication number
CN113931446B
CN113931446B CN202111489745.5A CN202111489745A CN113931446B CN 113931446 B CN113931446 B CN 113931446B CN 202111489745 A CN202111489745 A CN 202111489745A CN 113931446 B CN113931446 B CN 113931446B
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wood
template
formwork
vertical
steel
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CN113931446A (en
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王桂龙
张轶群
于海斌
刘新
田晨阳
朱然
杨振宇
杨光
李哲
李世晋
袁鹏
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China Construction First Group Corp Ltd
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China Construction First Group Corp Ltd
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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
    • E04G15/00—Forms or shutterings for making openings, cavities, slits, or channels
    • E04G15/02—Forms or shutterings for making openings, cavities, slits, or channels for windows, doors, or the like
    • 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
    • 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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
    • 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

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Abstract

A construction method of a one-time pouring bay window formwork erecting structure belongs to the technical field of construction formwork erecting and is used for one-time pouring of an upper structural plate and a lower structural plate of a bay window. This application can make the luffer boards structure of wafting once only pour the shaping along with the major structure, avoids the secondary to pour, has solved the problem that can't fix on the PC board and has hung the mould support simultaneously, has the effect of making things convenient for site operation and reduction of erection time.

Description

Construction method of one-time pouring bay window formwork erecting structure
Technical Field
The invention belongs to the technical field of constructional engineering, and particularly relates to a construction method of a one-time pouring bay window formwork erecting structure.
Background
In the current high-rise building design, the building facade is often more complicated in modeling, and the outer wall node is many, and especially modern apartment formula building has often designed a large amount of windows that waft, and to the window board that wafts about designing in the construction usually divide equally to accomplish for twice pouring. Because the concrete pouring amount of the secondary pouring floating window plate is relatively small, the situation that the small-volume concrete is not supplied timely or is supplied intermittently can often occur in the actual concrete supply process, and great influence is caused on the construction progress and the integral coordination of resources. Meanwhile, in the deepening design of the individual steel climbing frame, the fixed support can be arranged on the secondary pouring floating window plate vertical wall, and under the condition, the waiting time before the climbing frame is lifted can be effectively shortened only by finishing the secondary pouring of the floating window plate as soon as possible. The technology that the bay window board can not be poured once causes the influence of to a great extent to time limit for a project and construction organization, can indirectly cause construction cost to increase. Therefore, the problem to be solved is to realize the one-time pouring of the floating window plate.
Disclosure of Invention
The invention aims to provide a construction method of a one-time pouring bay window formwork supporting structure, which can realize one-time pouring of an upper bay window structural plate and a lower bay window structural plate, avoid secondary forming, improve the overall rigidity and stability of a vertical hanging die, enable the whole formwork supporting system to work cooperatively, jointly bear the external force effects of the self weight, the lateral pressure, the construction load and the like of concrete, and reduce the deformation of a building formwork in the concrete pouring process.
In order to achieve the purpose, the invention adopts the following technical scheme:
a construction method of a one-time pouring bay window formwork erecting structure comprises the following steps:
step 1, erecting a lower support frame, installing a wood template I with a horizontal downward floating window plate on the lower support frame, installing a vertical wood template I on the outer side of the wood template I, installing battens on the outer side of the vertical wood template I, and drawing and fixing the battens with the wood template I through iron wires; a vertical steel frame wood formwork I is mounted at the end of the inner side of the wood formwork I;
step 2, installing a horizontal steel template on a steel frame wood template I, hoisting a PC (polycarbonate) plate on the steel template, after finishing binding a lower bay window plate and a boundary beam steel bar, placing an integrated mould hanging bracket on the PC plate, marking a mark position by referring to white paint on a reinforcing device when the position of the integrated mould hanging bracket is determined through the reinforcing device on the integrated mould hanging bracket, wherein the mark position is the width position of vertical concrete, rechecking by using a tape measure and accurately positioning, welding and fixing the integrated mould hanging bracket and the truss steel bar exposed on the PC plate, finally hoisting a steel frame wood template II on the integrated mould hanging bracket, and wedging and fixing by using a wood wedge;
step 3, after the position of a common suspended formwork support I is determined on a wooden formwork I of a lower bay window plate, a plastic nail holder arranged at the bottom of a support rod of the common suspended formwork support I is utilized, the common suspended formwork support I is fixed on the wooden formwork I through an iron nail, a double-batten main keel at the outer side of a boundary beam and a vertical wooden formwork II are installed on the common suspended formwork support I and are wedged and fixed through a wooden wedge, the vertical wooden formwork II is located between the double-batten main keel and a steel frame wooden formwork II, wooden square secondary keels are installed between the double-batten main keel and the vertical wooden formwork II at equal intervals, the steel frame wooden formwork I, the double-batten main keel and the vertical wooden formwork II are fixed through a split screw, and a steel gasket is installed between a locking nut of the split screw and the double-batten main keel;
step 4, a hole is formed in the vertical wood formwork II on the outer side of the boundary beam, which is opposite to the end part of the reinforcing device on the integrated hanging formwork support on the PC board, a harness cord screw is screwed into a plastic nut at the end part of the reinforcing device through the hole to be connected into a whole, and the lengthened harness cord screw penetrates through the double-batten main keel and the vertical wood formwork II to be connected and fixed with the exposed truss steel bars on the PC board;
step 5, placing a concrete cushion block on the wood template I of the downward floating window plate, wherein the thickness of the concrete cushion block is equal to that of the downward floating window plate, installing a support steel pipe on the concrete cushion block, installing a jacking on the support steel pipe, and finally installing a steel pipe main keel on the jacking; a wood template II of an upper bay window plate is supported on the steel pipe main keel, a batten secondary keel is placed between the wood template II of the upper bay window plate and the steel pipe column keel, the top of the wood template II of the upper bay window plate is nailed with the top of a steel frame wood template II which is vertical outside the boundary beam, finally, the wood template II of the upper bay window plate and the steel frame wood template II are fixed in a pulling mode through a peripheral reinforcing device and a harness cord screw which are arranged at the inner end of the wood template II, and an outer vertical wood template III and the batten secondary keel are arranged at a concrete line position at the outer end of the wood template II;
step 6, after the binding of the upper steel bars of the wood template II of the upper bay window plate is finished, installing and hoisting a common mould hanging bracket II on the wood template II of the upper bay window plate, and fixing the common mould hanging bracket II on the wood template II of the upper bay window plate by using iron nails through a plastic nail holder arranged at the bottom of a supporting rod of the common mould hanging bracket II after the position of the common mould hanging bracket II is determined; installing a concrete line inner side template on the common suspended formwork support II, wedging the concrete line inner side template through a batten secondary keel and a wood wedge, connecting and fixing the line inner side template and the outer side template through template braces by using iron nails, and arranging the template braces at equal intervals along the length direction of the concrete line; limiting the horizontal relative displacement of the template to ensure the consistent width of lines;
and 7, checking and accepting, and pouring concrete at one time.
The invention has the technical effects that:
1. the common mould hanging bracket and the peripheral reinforcing device are utilized to make the upper and lower floating window plates can be poured at one time along with the main body structure. Utilize the integral type to hang the mould support, through being connected fixedly with the exposed truss reinforcing bar spot welding of PC board, solved the fixed problem of hanging the mould support of nail that can't use on the PC board, improve stability. And marking a white paint mark on the reinforcing device to ensure the forming width of the concrete boundary beam. The plastic bolt caps of the peripheral reinforcing devices are used for propping the vertical templates on the inner side and the outer side, and the lengthened harness cord screws are used for pulling the inner support of the templates outwards, so that the relative distance between the vertical templates on the inner side and the outer side is strictly controlled, and the position accuracy of the vertical templates is ensured.
2. By adopting the technical scheme, the integral rigidity and stability of the vertical suspended formwork can be improved, the formwork and the keel work together to bear the external force effects of the self weight of the concrete, the lateral pressure, the construction load and the like, and the deformation of the building formwork in the concrete pouring process is reduced.
3. Through adopting above-mentioned technical scheme, the problem of the once only pouring of wafing window board concrete has fundamentally been solved, especially also be applicable to PC coincide floor design equally, the adaptability is stronger, and construction cost is low, and it is convenient, swift, firm to consolidate, can guarantee concrete shaping quality, be fit for the engineering project large tracts of land popularization that has the wafing window, still be applicable to structure lifter plate, go up anti-roof beam, concrete turn-ups molding, the anti-bank of water room concrete is once only pour the position such as along with a structure simultaneously, has very good popularization prospect.
Drawings
FIG. 1 is a schematic view of a supporting structure of a one-time poured bay window plate template in a PC floor slab project;
1-wood formwork I, 2-vertical wood formwork I, 3-batten, 4-iron wire, 5-steel frame wood formwork I, 6-steel formwork, 7-PC board, 8-integrated formwork hanger, 9-truss steel bar, 10-steel frame wood formwork II, 11-common formwork hanger I, 12-double batten main keel, 13-vertical wood formwork II, 14-batten secondary keel, 15-counter pull screw rod, 16-concrete cushion block, 17-support steel pipe, 18-top support, 19-steel pipe main keel, 20-wood formwork II, 21-harness cord screw rod, 22-vertical wood formwork III, 23-common formwork hanger II, 24-line inner formwork, 25-outer formwork, 26-formwork brace and 27-steel gasket.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples.
As shown in fig. 1, a construction method of a one-time pouring bay window formwork erecting structure includes the following steps:
step 1, erecting a lower support frame, installing a wood template I1 of a horizontal downward floating window plate on the lower support frame, installing a vertical wood template I2 on the outer side of the wood template I1, installing a batten 3 on the outer side of the vertical wood template I2, and fixing the batten 3 with the wood template I1 through an iron wire 4 in a traction manner; a vertical steel frame wood formwork I5 is arranged at the end part of the inner side of the wood formwork I1;
step 2, installing a horizontal steel template 6 on a steel frame wood template I5, hoisting a PC (personal computer) plate 7 on the steel template 6, after finishing binding a lower bay window plate and a boundary beam steel bar, placing an integrated suspended mold support 8 on the PC plate 7, marking a mark position according to white paint on the reinforcer when the position of the integrated suspended mold support 8 is determined through the reinforcer on the integrated suspended mold support 8, wherein the mark position is a vertical concrete width position, performing accurate rechecking and post-positioning by using a measuring tape, welding and fixing the integrated suspended mold support 8 and a truss steel bar 9 exposed on the PC plate 7, finally hoisting a steel frame wood template II 10 on the integrated suspended mold support 8, and performing wedge fastening and fixation through wood wedges, so that the width of the boundary beam concrete can be ensured, and the stability of fixing the integrated suspended mold support 8 and a vertical wood template II 13 is improved;
step 3, after the position of a common mould hanging bracket I11 is determined on a wood template I1 of a downward floating window plate, a plastic nail holder arranged at the bottom of a supporting rod of the common mould hanging bracket I11 is utilized, iron nails are used for fixing the common mould hanging bracket I11 on the wood template I1, the stability of the common mould hanging bracket I11 is improved, and further the stability of the mould hanging template is improved, the common mould hanging bracket I11 is arranged along the length direction of the downward floating window plate at a distance of 500mm, a double-batten main keel 12 and a vertical wood template II 13 outside a boundary beam are arranged on the common mould hanging bracket I11 and are wedged and fixed through wood wedges, and the vertical wood template II 13 is positioned between the double-batten main keel 12 and a steel frame wood template II 10, the wood square secondary keels 14 are arranged between the double-batten main keels 12 and the vertical wood template II 13 at equal intervals, the interval between every two adjacent wood square secondary keels 14 is 200mm, the steel frame wood template I, the double-batten main keels 12 and the vertical wood template II 13 are fixed at the bottom through the counter-pull screw 15, and the steel gasket 27 is arranged between the locking nut of the counter-pull screw 15 and the double-batten main keels 12, so that the overall rigidity and the stability of the vertical hoisting template can be improved, the template and the keels work together to bear the external forces such as the self weight, the lateral pressure and the construction load of concrete, and the deformation of the building template in the concrete pouring process is reduced;
step 4, a hole is formed in the vertical wood template II 13 on the outer side of the boundary beam, which is opposite to the end part of the reinforcement device on the integrated hanging formwork support 8 on the PC board 7, a harness cord screw 21 is screwed into a plastic nut at the end part of the reinforcement device through the hole to be connected into a whole, and the lengthened harness cord screw 21 penetrates through the double-batten main keel 12 and the vertical wood template II 13 to be connected and fixed with the exposed truss steel bars 9 on the PC board 7;
step 5, placing a concrete cushion block 16 on the wood template I1 of the downward floating window board, wherein the thickness of the concrete cushion block 16 is the same as that of the downward floating window board, installing a support steel pipe 17 on the concrete cushion block 16, installing a jacking 18 on the support steel pipe 17, and finally installing a steel pipe main keel 19 on the jacking 18; erecting a wood template II 20 of an upper bay window plate on a steel pipe main keel 19, placing a batten secondary keel 14 between the wood template II 20 of the upper bay window plate and a steel pipe column keel, nailing the wood template II 20 of the upper bay window plate on the top of a steel frame wood template II 10 vertical to the outer side of a boundary beam, finally, drawing and fixing the wood template II 20 of the upper bay window plate and the steel frame wood template II 10 through a peripheral reinforcing device and a harness screw 21 arranged at the inner end part of the peripheral reinforcing device, positioning the peripheral reinforcing device according to the position of a wall thickness control line sprayed in advance on the peripheral reinforcing device when the peripheral reinforcing device is installed, aligning a plastic nut to a bolt hole of the steel frame wood template II 10, aligning and screwing the plastic nut on the outer side of the steel frame wood template II 10 by using the harness screw 21, connecting the reinforcing device into a whole, and arranging an outer vertical wood template III 22 and the batten secondary keel 14 at a concrete line at the outer end part of the wood template II 20;
step 6, after the binding of the upper steel bars of the wooden template II 20 of the upward floating window plate is finished, installing and hoisting a common lifting die support II 23 on the wooden template II 20 of the upward floating window plate, and after the position of the common lifting die support II 23 is determined, fixing the common lifting die support II 23 on the wooden template II 20 of the upward floating window plate by using an iron nail through a plastic nail holder arranged at the bottom of a supporting rod of the common lifting die support II 23; installing a concrete line inner side template 24 on a common suspended formwork support II 23, wedging the concrete line inner side template through a batten secondary keel 14 and a wood wedge 19, connecting and fixing the line inner side template 24 and an outer side template 25 through template braces 26 by using iron nails, arranging the template braces 26 at equal intervals along the length direction of the concrete line, limiting the horizontal relative displacement of the templates and ensuring the width of an edge beam;
and 6, checking and accepting, and pouring the concrete at one time.
The above is the preferred embodiment of the present application, and the protection scope of the present application is not limited thereby, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (1)

1. A construction method of a one-time pouring bay window formwork erecting structure is characterized by comprising the following steps:
step 1, erecting a lower support frame, installing a wood template I with a horizontal downward floating window plate on the lower support frame, installing a vertical wood template I on the outer side of the wood template I, installing battens on the outer side of the vertical wood template I, and drawing and fixing the battens with the wood template I through iron wires; a vertical steel frame wood formwork I is arranged at the end part of the inner side of the wood formwork I;
step 2, installing a horizontal steel template on the steel frame wood template I, hoisting a PC (polycarbonate) plate on the steel template, placing an integrated mould hanging bracket on the PC plate after binding of a lower bay window plate and a boundary beam steel bar, welding and fixing the integrated mould hanging bracket and a truss steel bar exposed on the PC plate, and finally hoisting a steel frame wood template II on the integrated mould hanging bracket and wedging and fixing the steel frame wood template II through a wood wedge;
step 3, after the position of a common hanging formwork support I is determined on a wood formwork I of a lower bay window plate, fixing the common hanging formwork support I on the wood formwork I by using iron nails, installing a double-batten main keel and a vertical wood formwork II outside a boundary beam on the common hanging formwork support I, and wedging and fixing the double-batten main keel and the vertical wood formwork II through wood wedges, wherein the vertical wood formwork II is positioned between the double-batten main keel and the steel frame wood formwork II, wood square secondary keels are installed between the double-batten main keel and the vertical wood formwork II at equal intervals, the steel frame wood formwork I, the double-batten main keel and the vertical wood formwork II are fixed through split screws, and steel gaskets are installed between locking nuts of the split screws and the double-batten main keels;
step 4, a hole is formed in the position, opposite to the end part of the reinforcing device on the integrated formwork hanging bracket on the PC board, of the vertical wood formwork II on the outer side of the boundary beam, a harness cord screw is screwed into a plastic nut at the end part of the reinforcing device through the hole to be connected into a whole, and the lengthened harness cord screw penetrates through the double-batten main keels and the vertical wood formwork II to be connected and fixed with the exposed truss steel bars on the PC board;
step 5, placing a concrete cushion block on the wood template I of the downward floating window board, wherein the thickness of the concrete cushion block is the same as that of the downward floating window board, installing a support steel pipe on the concrete cushion block, installing a jacking support on the support steel pipe, and finally installing a steel pipe main keel on the jacking support; a wood template II of an upper bay window plate is supported on the steel pipe main keel, a batten secondary keel is placed between the wood template II of the upper bay window plate and the steel pipe column keel, the top of the wood template II of the upper bay window plate is nailed with the top of a steel frame wood template II which is vertical outside the boundary beam, finally, the wood template II of the upper bay window plate and the steel frame wood template II are fixed in a pulling mode through a peripheral reinforcing device and a harness cord screw which are arranged at the inner end of the wood template II, and an outer vertical wood template III and the batten secondary keel are arranged at a concrete line position at the outer end of the wood template II;
step 6, after the binding of the upper steel bars of the wood template II of the upper bay window plate is finished, installing and hoisting a common mould hanging bracket II on the wood template II of the upper bay window plate, and fixing the common mould hanging bracket II on the wood template II of the upper bay window plate by using iron nails through a plastic nail holder arranged at the bottom of a supporting rod of the common mould hanging bracket II after the position of the common mould hanging bracket II is determined; installing a concrete line inner side template on the common template hanging bracket II, wedging the concrete line inner side template through a batten secondary keel and a wood wedge, and connecting and fixing the line inner side template and the line outer side template through template bracing wires by using iron nails;
and 7, checking and accepting, and pouring the concrete at one time.
CN202111489745.5A 2021-12-08 2021-12-08 Construction method of one-time pouring bay window formwork erecting structure Active CN113931446B (en)

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114263347A (en) * 2022-02-11 2022-04-01 中建八局第二建设有限公司 Construction method of house floating window
CN114458008B (en) * 2022-03-11 2024-02-13 江苏省水利勘测设计研究院有限公司 Reinforcing apparatus for building templates
CN114876192A (en) * 2022-06-09 2022-08-09 中国十七冶集团有限公司 Method for installing and reinforcing aluminum alloy template of bay window of high-rise building

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CN2846567Y (en) * 2005-12-01 2006-12-13 清华大学建筑设计研究院 Steel net structure concrete composite building
CN204781957U (en) * 2015-07-15 2015-11-18 中国建筑第二工程局有限公司 Supporting platform for bay window construction
CN107035143A (en) * 2017-05-27 2017-08-11 山西建筑工程有限公司 Heat insulation formwork integrated board installation form support and its reinforcement means at the luffer boards that float
US11125383B1 (en) * 2019-11-05 2021-09-21 Mark Fong Adjustable support device for bay windows and other protruding building structures
CN215670807U (en) * 2021-09-10 2022-01-28 上海尤安一合建筑设计事务所有限公司 Outer facade aluminum plate spatial structure of bay window

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Publication number Priority date Publication date Assignee Title
CN2846567Y (en) * 2005-12-01 2006-12-13 清华大学建筑设计研究院 Steel net structure concrete composite building
CN204781957U (en) * 2015-07-15 2015-11-18 中国建筑第二工程局有限公司 Supporting platform for bay window construction
CN107035143A (en) * 2017-05-27 2017-08-11 山西建筑工程有限公司 Heat insulation formwork integrated board installation form support and its reinforcement means at the luffer boards that float
US11125383B1 (en) * 2019-11-05 2021-09-21 Mark Fong Adjustable support device for bay windows and other protruding building structures
CN215670807U (en) * 2021-09-10 2022-01-28 上海尤安一合建筑设计事务所有限公司 Outer facade aluminum plate spatial structure of bay window

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