CN106193592A - A kind of form bracing system and construction method - Google Patents

A kind of form bracing system and construction method Download PDF

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Publication number
CN106193592A
CN106193592A CN201610748341.6A CN201610748341A CN106193592A CN 106193592 A CN106193592 A CN 106193592A CN 201610748341 A CN201610748341 A CN 201610748341A CN 106193592 A CN106193592 A CN 106193592A
Authority
CN
China
Prior art keywords
shaped steel
steel
support
shuttering
bracing system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610748341.6A
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Chinese (zh)
Inventor
谢惠庆
欧定文
邓双合
胡厚安
李熊飞
王嘉
贾鹏坤
严文韬
刘歆嵩
邓维彬
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Chengdu No4 Construction Engineering Co
Original Assignee
Chengdu No4 Construction Engineering Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chengdu No4 Construction Engineering Co filed Critical Chengdu No4 Construction Engineering Co
Priority to CN201610748341.6A priority Critical patent/CN106193592A/en
Publication of CN106193592A publication Critical patent/CN106193592A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/36Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
    • E04G11/48Supporting structures for shutterings or frames for floors or roofs
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/36Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
    • E04G11/48Supporting structures for shutterings or frames for floors or roofs
    • E04G11/50Girders, beams, or the like as supporting members for forms
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G13/00Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills

Abstract

The invention discloses a kind of form bracing system and construction method, this system comprises some root type steel and support for shuttering, every described shaped steel two ends connect the floor at tunnel opening area place respectively, and all described shaped steel are integral by some steel pipe connectings, and described support for shuttering is connected on all described shaped steel;This construction method is by tunnel opening area, release the beam center line of beam to be poured, outside beam center line corresponding to described tunnel opening area and both sides and shaped steel is laid in the position of plate, steel pipe it is set continuously along shaped steel span direction and completely spreads scaffold board, bracing means be set and set up support for shuttering.This system stress is more stable, and safety coefficient increases, and construction cost reduces, and construction speed is accelerated;This construction method can reduce the scaffolding height of support for shuttering, and safety improves, and increases the bearing capacity of shaped steel, makes support system more stable, and accelerating construction progress reduces construction intensity, saves construction costs, it is simple to removes and material turnover.

Description

A kind of form bracing system and construction method
Technical field
The present invention relates to a kind of building engineering construction field, particularly to a kind of form bracing system and construction method.
Background technology
At the construction field (site), in order to ensure construction operation safety smoothly, when interior construction or floor height is higher cannot directly construct , it is often necessary to using support for shuttering and be supported, therefore support for shuttering engineering is it should be guaranteed that enough intensity, rigidity and stability. In recent years, along with the most flourishing of construction project and progress, the structure of building is more and more changeable with design, also becomes increasingly complex, The special-shaped structure of asymmetric, hollow out etc. is more and more applied under construction, and building complicated and changeable also brings to construction No small difficulty, the requirement for safety and duration is more and more higher.
In present building body, when needing tunnel opening area top structure is carried out concreting, if hole across When degree is relatively big, overhead positions is higher, in addition it is also necessary to use high formwork support system, or carry out other constructions on tunnel opening area top During operation, the height also tending to set up so that supporting support for shuttering used to need is the highest, and danger coefficient increases, and there is the biggest peace Full hidden danger, it not only has significant impact to engineering sole mass, also affects personal safety, causes huge property loss, Also being the multiple field of major casualties, material, labour cost used in setting up too high simultaneously, and the cycle of setting up is longer, also Inspection during being unfavorable for material turnover and using.
Summary of the invention
It is an object of the invention to overcome the form bracing system scaffolding height constructing used above existing tunnel opening area Too high, expense is too high, it is longer to set up the cycle, be unfavorable for the above-mentioned deficiencies such as material turnover, it is provided that a kind of form bracing system and executing Work method, reduces scaffolding height, reduces and sets up expense and cycle, improves safety.
To achieve these goals, the invention provides techniques below scheme:
A kind of form bracing system, comprises some root type steel and support for shuttering, and every described shaped steel two ends connect tunnel opening area respectively The floor at place, all described shaped steel are integral by some steel pipe connectings, and described support for shuttering is connected on all described shaped steel.
Use a kind of form bracing system of the present invention, shaped steel is ridden upon the hole of the lower section needing casting concrete At port area, then on all described shaped steel, set up support for shuttering, in order to support superstructure, now that support for shuttering is the most direct For ground starts to set up, support for shuttering scaffolding height that this form bracing system is used reduces, and materials save most, use shaped steel As bottom support, stress is more stable, and all shaped steel are linked to be entirety by all described steel pipes, whole in order to enhanced type steel system Body, support for shuttering scaffolding height is substantially reduced, and safety increases, and construction period shortens, and artificial, material cost reduces, beneficially material Material turnover, it is simple to remove after in-use inspection and use.
Preferably, the bracing means of bearing capacity for strengthening described shaped steel is also included.
It is further preferred that described bracing means is stay cord, every described shaped steel connects and has at least stay cord, described The connected described shaped steel of stay cord is positioned at same vertical plane, and described stay cord is more than or equal to 45 degree with the angle of horizontal plane.
Using and be fixed on a described shaped steel stay cord one end, the other end can connect the same side of same layer, as watered In the structure built, including beam, post and plate, the connected described shaped steel of described stay cord after connection is positioned at same vertical plane, institute The angle stating stay cord and horizontal plane is more than or equal to 45 degree, and the bearing capacity being provided with beneficially enhanced type steel structure of stay cord improves The intensity of support system and globality, it is to avoid the edge, hole of large span occurs subsiding because stress is excessive, can reduce choosing simultaneously By the specifications and models of shaped steel, the most cost-effective, preferably at every root type steel length two ends each 1/3, respectively set a stay cord.
It is further preferred that described bracing means is the bracing frame being located at underfloor surface, described tunnel opening area place, institute State bracing frame to arrange along described tunnel opening area edge.
Support frame as described above is along tunnel opening area marginal position, under the underfloor surface setting up shaped steel place layer, with described type The end position that steel connects described floor is corresponding, the bracing frame formed such as scaffold, for supporting the building at tunnel opening area edge Plate, it is to avoid occur at tunnel opening area subsiding.
Preferably, all described shaped steel are provided with scaffold board.
Described shaped steel system completely spreads scaffold board, it is simple to workman walks above it, transports material and construction operation.
Preferably, the specification of all described shaped steel is the most identical with kind.
Preferably, the specifications and models of all described steel pipes are the most identical, the distance between all described steel pipes equal and with institute State shaped steel vertical.
Use aforesaid way, it is simple to calculating bearing capacity and the Construction Arrangement of shaped steel, stress is more stable.
Preferably, described support for shuttering is full hall support for shuttering.
Preferably, described shaped steel is I-steel.
Present invention also offers the construction method of a kind of form bracing system, including the one used as described in any of the above-described Form bracing system, its construction method comprises the following steps:
A, releasing the center line of beam needing to pour in tunnel opening area, a root type is respectively laid in the position outside beam center line and beam both sides Steel;
B, in needing the described tunnel opening area in lower section that the plate that pours is corresponding, lay shaped steel;
C, arranging steel pipe continuously along shaped steel span direction, all shaped steel are connected into entirety by all described steel pipes, at described shaped steel Upper laying scaffold board;
D, bracing means is set;
E, set up support for shuttering, complete setting up of form bracing system.
This construction method is by from needing the tunnel opening area of the nearest lower section of casting concrete place layer, releasing and wait to pour The beam center line of beam, the position outside the center line and both sides of every beam corresponding to described tunnel opening area arranges one, at plate Position, lays shaped steel across direction according to spacing along plate, uses all described shaped steel of fastener for connection, and completely spreads foot on all shaped steel Palm, arranges bracing means and sets up support for shuttering, compares and starts to set up support for shuttering from ground, and this method can reduce support for shuttering Scaffolding height, improves safety, reduces artificial, the input of material, and employing shaped steel is as bottom support, and is linked to be with steel pipe Entirety, stress is more stable, arranges the bracing means bearing capacity with increase shaped steel, makes support system more firm, accelerates simultaneously Construction speed, reduces construction intensity, saves construction costs, it is simple to remove and material turnover.
It is further preferred that in step a, be more than or equal to 1000mm, in the position of described beam when needing the deck-molding poured Put laying two root type steel.
In sum, compared with prior art, the invention has the beneficial effects as follows:
1, use a kind of form bracing system of the present invention, shaped steel is ridden upon the hole of the lower section needing casting concrete At region, then on all described shaped steel, set up support for shuttering, in order to support superstructure, now relatively by support for shuttering directly from For ground starts to set up, support for shuttering scaffolding height that this form bracing system is used reduces, and materials save most, use shaped steel to make For bottom support, stress is more stable, and all shaped steel are linked to be entirety by all described steel pipes, in order to the entirety of enhanced type steel system Property, support for shuttering scaffolding height is substantially reduced, and safety increases, and construction period shortens, and artificial, material cost reduces, beneficially material Turnover, it is simple to remove after in-use inspection and use.
2, use a kind of form bracing system of the present invention, be provided with bracing means, improve support system intensity and Globality, it is to avoid the tunnel opening area edge of large span occurs subsiding because stress is excessive, reduces the generation of security incident, simultaneously can Reduce the specifications and models selecting shaped steel, the most cost-effective.
3, use a kind of form bracing system of the present invention, described shaped steel system completely spreads scaffold board, it is simple to work People walks above it, transports material and construction operation.
4, using a kind of form bracing system of the present invention, the specification of all described shaped steel is the most identical with kind, institute The specifications and models having described steel pipe are the most identical, and the distance between all described steel pipes is equal, it is simple to calculate shaped steel bearing capacity and Construction Arrangement.
5, using the construction method of a kind of form bracing system of the present invention, this construction method is by watering from needs Build the tunnel opening area of next nearest layer of concrete place layer, release the beam center line of beam to be poured, at described tunnel opening area pair Outside the beam center line answered and both sides, shaped steel is laid in the position with plate, uses all described shaped steel of fastener for connection, and on all shaped steel Completely spreading scaffold board, arrange bracing means and set up support for shuttering, compare and start to set up support for shuttering from ground, this method can reduce props up The scaffolding height of mould bases, improves safety, reduces artificial, the input of material, use shaped steel as bottom support, and will with steel pipe It is linked to be entirety, and stress is more stable, arranges the bracing means bearing capacity with increase shaped steel, makes support system more firm, with Time accelerating construction progress, reduce construction intensity, save construction costs, it is simple to remove and material turnover.
6, use the construction method of a kind of form bracing system of the present invention, treating outside casting beams, beam both sides and plate The correspondence position of described tunnel opening area of lower section shaped steel is set, stress is more stable, it is simple to formwork.
Accompanying drawing illustrates:
Fig. 1 is the planar structure schematic diagram of a kind of form bracing system of the present invention.
Fig. 2 is the planar structure schematic diagram of the step one in embodiment 2 of the present invention.
Fig. 3 is that embodiment 2 central sill of the present invention is tall and big in the shaped steel site plan of 1000mm.
Fig. 4 is the planar structure schematic diagram of the step 2 in embodiment 2 of the present invention.
Fig. 5 is the planar structure schematic diagram of the step 3 in embodiment 2 of the present invention.
Fig. 6 is the generalized section of a kind of ruggedized construction in the step 4 in embodiment 2 of the present invention.
Fig. 7 is the floor map of another kind of ruggedized construction in the step 4 in embodiment 2 of the present invention.
Fig. 8 is the planar structure schematic diagram of the step 5 in embodiment 2 of the present invention.
Labelling in figure: 1-shaped steel, 2-support for shuttering, 3-steel pipe, 4-floor, 5-scaffold board, 6-stay cord, 7-bracing frame.
Detailed description of the invention
Below in conjunction with the accompanying drawings and specific embodiment the present invention is described in further detail.But this should be interpreted as this The scope inventing above-mentioned theme is only limitted to below example, and all technology realized based on present invention belong to the present invention Scope.
Embodiment 1
As it is shown in figure 1, a kind of form bracing system of the present invention, comprise some root type steel 1 and support for shuttering 2, all described Shaped steel 1 two ends connect the floor 4 at tunnel opening area place respectively, and all described shaped steel 1 are I22b I-steel, all I-steel positions In same level, described support for shuttering 2 is connected on all described shaped steel 1, and described support for shuttering 2 is full hall support for shuttering, described The spacing that mould bases 2 is positioned at the vertical rod on all I-steel is equal, and the upper surface of all described shaped steel 1 is provided with steel pipe 3, all described Steel pipe 3 specifications and models are identical, and distance each other is equal and vertical with described shaped steel 1, completely spread foot on all described shaped steel 1 Palm 5, such as Fig. 6, every I-steel sets up two stay cords 6 as bracing means, and described stay cord is steel wire rope, at every I-shaped Respectively connect a stay cord 6 at steel length direction two ends each 1/3, at every I-steel length direction two ends each 1/3, respectively connect one Root steel wire rope, described steel wire rope is 45 ° with the angle of horizontal plane, and the connected described I-steel of described steel wire rope is positioned at same Vertical plane, as the other end of described steel wire rope is connected on steel draw ring pre-buried on beam that this layer of homonymy poured or plate.
All I-steel are ridden upon at the tunnel opening area of next layer needing casting concrete, all described I-steel Upper surface is provided with described steel pipe 3, starts to set up full hall support for shuttering on I-steel, now relatively by support for shuttering 2 directly from ground For starting to set up, needing support for shuttering 2 scaffolding height set up minimum, materials save most, more stable in order to support shuttering, described Scaffold board 5 is laid in described steel pipe 3, it is simple to workman walks above it, transports material and construction operation, uses I-steel to make For bottom support, stress is more stable, described steel pipe 3 in order to strengthen the globality of I-steel system, described wire rope inclined-pulling work Word steel, safety increases, and stability increases, and construction period shortens, and artificial, material cost reduces, beneficially material turnover, it is simple to make Remove after middle inspection and use.
Embodiment 2
The construction method of a kind of form bracing system of the present invention, including using such as a kind of shuttering supporting in embodiment 1 System, its construction method comprises the steps of
Step one, such as Fig. 2, in tunnel opening area, release the center line of beam needing to pour, the position outside beam center line and beam both sides Each laying one root type steel 1;
Step 2, such as Fig. 4, in the described tunnel opening area in lower section needing the plate correspondence position poured, lay shaped steel 1;
Step 3, such as Fig. 5, steel pipe 3 is set continuously along shaped steel 1 span direction, all shaped steel 1 are connected into by all described steel pipes 3 Entirety, lays scaffold board 5 on described shaped steel 1;
Step 4, such as Fig. 6-7, bracing means is set;
Step 5, such as Fig. 8, set up support for shuttering 2, complete setting up of form bracing system.
As in figure 2 it is shown, this construction method is first from needing the tunnel opening area of nearest next layer of casting concrete place layer, Releasing the beam center line of beam to be poured, outside corresponding beam center line and both sides, correspondence position respectively lays a root type steel 1, such as Fig. 3, when When the deck-molding of the beam poured is more than or equal to 1000mm, lay two root type steel 1 in the position of Dui Ying described beam, such as Fig. 4, so After divide equally in the position that plate is corresponding plate across laying shaped steel 1, after all shaped steel 1 are laid, such as Fig. 5, along shaped steel 1 span side To arranging steel pipe 3 continuously, described steel pipe 3 is perpendicular to described shaped steel 1, is positioned at the upper surface of all described shaped steel 1, all described Completely spread scaffold board 5 on shaped steel 1, such as Fig. 6-7, a stay cord 6 be respectively set at every root type steel 1 two ends each 1/3, described stay cord 6 with The angle of horizontal plane is 45 °, and the connected described I-steel of described stay cord 6 is positioned at same vertical plane, and junction point may be located at Described shaped steel is with on the beam poured, plate and the post of layer homonymy, under floor 4 lower surface setting up described shaped steel 1 place layer, and edge Tunnel opening area edge sets up bracing frame 7, as used scaffold, sets up position and is connected the position, end of described floor 4 with described shaped steel 1 Put corresponding, in order to support described floor 4, it is to avoid occur at tunnel opening area subsiding, finally, such as Fig. 8, at all described shaped steel 1 On set up support for shuttering 2 so that support for shuttering scaffolding height reduce, safety improve, increase shaped steel system bearing capacity, make supporter It is more stable, accelerating construction progress, reduces construction intensity, saves construction costs, it is simple to remove and material turnover.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention Any amendment, equivalent and the improvement etc. made within god and principle, should be included within the scope of the present invention.

Claims (10)

1. a form bracing system, it is characterised in that comprise some root type steel (1) and support for shuttering (2), every described shaped steel (1) two ends connect the floor (4) at tunnel opening area place respectively, and all described shaped steel (1) are linked to be entirety by some steel pipes (3), Described support for shuttering (2) is connected on all described shaped steel (1).
A kind of form bracing system the most according to claim 1, it is characterised in that also include for strengthening described shaped steel (1) bracing means of bearing capacity.
A kind of form bracing system the most according to claim 2, it is characterised in that described bracing means is stay cord (6), often Shaped steel described in root (1) connects has at least stay cord (6), the connected described shaped steel of described stay cord (6) (1) to be positioned at same erecting Facing directly, described stay cord (6) is more than or equal to 45 degree with the angle of horizontal plane.
A kind of form bracing system the most according to claim 2, it is characterised in that described bracing means is for being located at described hole The bracing frame (7) of port area place floor (4) lower surface, support frame as described above (7) is arranged along described tunnel opening area edge.
5. according to the arbitrary described a kind of form bracing system of claim 1-4, it is characterised in that on all described shaped steel (1) It is provided with scaffold board (5).
6. according to the arbitrary described a kind of form bracing system of claim 1-4, it is characterised in that all described shaped steel (1) Specification is the most identical with kind.
7. according to the arbitrary described a kind of form bracing system of claim 1-4, it is characterised in that all described steel pipes (3) Specifications and models are the most identical, and the distance between all described steel pipes (3) is equal and vertical with described shaped steel (1).
8. according to the arbitrary described a kind of form bracing system of claim 1-4, it is characterised in that described support for shuttering (2) is full Hall support for shuttering.
9. the construction method of a form bracing system, it is characterised in that include using as described in the claims 1-8 are arbitrary A kind of form bracing system, its construction method comprises the following steps:
A, releasing the center line of beam needing to pour in tunnel opening area, a root type is respectively laid in the position outside beam center line and beam both sides Steel (1);
B, in needing the described tunnel opening area in lower section of plate correspondence position poured, lay shaped steel (1);
C, arranging steel pipe (3) continuously along shaped steel (1) span direction, all shaped steel (1) are connected into whole by all described steel pipes (3) Body, lays scaffold board (5) on described shaped steel (1);
D, bracing means is set;
E, set up support for shuttering (2), complete setting up of form bracing system.
The construction method of a kind of form bracing system the most according to claim 9, it is characterised in that in step a, when needing Deck-molding to be poured, more than or equal to 1000mm, lays two root type steel (1) in the position of described beam.
CN201610748341.6A 2016-08-29 2016-08-29 A kind of form bracing system and construction method Pending CN106193592A (en)

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Cited By (1)

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CN106907022A (en) * 2017-04-29 2017-06-30 陕西建工第十建设集团有限公司 A kind of high-altitude cable-stayed type shaped steel operating platform form bracing system construction technology

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CN204983592U (en) * 2015-09-17 2016-01-20 浙江中成建工集团有限公司 Synchronous shaped steel platform that uses of a high altitude die carrier and outrigger

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JP2008291442A (en) * 2007-05-22 2008-12-04 Shimizu Corp Temporary bearing member and construction method of precast concrete floor slab
CN202227476U (en) * 2011-09-15 2012-05-23 浙江城建建设集团有限公司 High-altitude large-span overhung corridor-type reinforced concrete structure
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Publication number Priority date Publication date Assignee Title
CN106907022A (en) * 2017-04-29 2017-06-30 陕西建工第十建设集团有限公司 A kind of high-altitude cable-stayed type shaped steel operating platform form bracing system construction technology
CN106907022B (en) * 2017-04-29 2018-11-27 陕西建工第十建设集团有限公司 A kind of high-altitude cable-stayed type fashioned iron operating platform form bracing system construction technology

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Address after: 610021 14, 15 floor, friendship B block 55, Zou Ma Street, Chengdu, Sichuan.

Applicant after: Chengdu Construction Engineering Fourth Construction Engineering Co., Ltd.

Address before: 610021 14, 15 floor, friendship B block 55, Zou Ma Street, Chengdu, Sichuan.

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Application publication date: 20161207