CN109736839A - Pipe fitting formwork support structure and pipe fitting formwork support method - Google Patents
Pipe fitting formwork support structure and pipe fitting formwork support method Download PDFInfo
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- CN109736839A CN109736839A CN201811645686.4A CN201811645686A CN109736839A CN 109736839 A CN109736839 A CN 109736839A CN 201811645686 A CN201811645686 A CN 201811645686A CN 109736839 A CN109736839 A CN 109736839A
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Abstract
The present invention provides a kind of pipe fitting formwork support structure and pipe fitting formwork support method, pipe fitting formwork support structure includes: pipeline section, pipeline section be it is multiple, multiple pipeline sections set gradually and are connected along desired guiding trajectory；First reinforcing bar group, the first reinforcing bar group are arranged in the lumen of pipeline section, and the first reinforcing bar group includes multiple first lengths of rebar, and multiple first lengths of rebar are horizontally disposed；Second reinforcing bar group, the second reinforcing bar group are arranged in the lumen of pipeline section, and the second reinforcing bar group includes multiple second lengths of rebar, and multiple second lengths of rebar are arranged along the vertical direction, and the first lengths of rebar is connected with the second lengths of rebar；Reinforcing rib, reinforcing rib are arranged between two neighboring first lengths of rebar；Concrete, concrete are arranged in the lumen of pipeline section, and the first reinforcing bar group, the second reinforcing bar group and reinforcing rib are sealed in concrete.Pipe fitting formwork support structure of the invention solves the problems, such as that the steel bar piece connective stability of pipe fitting formwork support structure in the prior art is poor.
Description
Technical field
The present invention relates to engineering fields, in particular to a kind of pipe fitting formwork support structure and pipe fitting shuttering supporting side
Method.
Background technique
During engineering open tunnel, the prior art mostly uses push-bench aperture, and multiple steel pipes head into construction matrix
Portion, multiple steel pipe interval settings, and an annular region has been integrally formed, then in pouring concrete within steel pipe so as to form whole
A support construction.
However, in the prior art, be set to the mutual bundling shaping of reinforcing bar of steel duct, but in specific connection procedure by
It will appear unstable problem between the limitation of connection structure, multistory reinforced component, to will affect subsequent stable structure
Property.
Summary of the invention
The main purpose of the present invention is to provide a kind of pipe fitting formwork support structure and pipe fitting formwork support methods, to solve
The poor problem of the steel bar piece connective stability of pipe fitting formwork support structure in the prior art.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of pipe fitting formwork support structure, packet
Include: pipeline section, pipeline section be it is multiple, multiple pipeline sections set gradually and are connected along desired guiding trajectory；First reinforcing bar group, the first reinforcing bar group are set
It sets in the lumen of pipeline section, the first reinforcing bar group includes multiple first lengths of rebar, and multiple first lengths of rebar are horizontally disposed；The
Two reinforcing bar groups, the second reinforcing bar group are arranged in the lumen of pipeline section, and the second reinforcing bar group includes multiple second lengths of rebar, multiple second steel
Muscle section is arranged along the vertical direction, multiple second lengths of rebar is arranged at intervals with along the extending direction of the first lengths of rebar, along the second steel
Multiple first lengths of rebar are arranged at intervals on the extending direction of muscle section, the first lengths of rebar is connected with the second lengths of rebar；Reinforcing rib,
Reinforcing rib is arranged between two neighboring first lengths of rebar, so that two neighboring first lengths of rebar is connected by reinforcing rib；It is mixed
Solidifying soil, concrete are arranged in the lumen of pipeline section, and the first reinforcing bar group, the second reinforcing bar group and reinforcing rib are sealed in concrete
It is interior.
Further, reinforcing rib is multiple, and multiple reinforcing ribs are arranged along the extending direction interval of the first lengths of rebar.
Further, the end of two neighboring first lengths of rebar is connected at least one reinforcing rib, and reinforcing rib and setting
The second lengths of rebar in the end of the first lengths of rebar is in contact.
Further, reinforcing rib includes: main paragraph, and main paragraph is arranged between two neighboring first lengths of rebar；Linkage section,
Linkage section is arranged in pairs, and two pairs of linkage sections are separately positioned on the both ends of main paragraph, two pairs of linkage sections with it is adjacent
Two the first lengths of rebar are separately connected；Wherein, linkage section is to hook body, hooks body and is fastened in the first lengths of rebar.
Further, it is provided with reinforcing rib between two neighboring second lengths of rebar, reinforcing rib is reinforcing bar.
Further, pipe fitting formwork support structure further includes screw shell, and the first lengths of rebar and the second lengths of rebar are spiral shell
Line steel；Wherein, the first lengths of rebar includes multiple first screw-thread steels, and the second lengths of rebar includes multiple second screw-thread steels, the first screw thread
The diameter of steel is greater than the diameter of the second screw-thread steel, and multiple first screw-thread steels successively overlap, and multiple second screw-thread steels pass through thread bush
Cylinder connection.
Further, concrete includes: cement, and cement is portland cement；The clay content of sand, sand is not more than 5%；It is broken
Stone, for the partial size of rubble in 5mm between 10mm, the clay content of rubble is not more than 2%；Water, water are clean water free from foreign meter.
According to another aspect of the present invention, a kind of pipe fitting formwork support method is provided, pipe fitting formwork support method is used for
Form above-mentioned pipe fitting formwork support structure, pipe fitting formwork support method includes: that will be located at the of the first reinforcing bar group in pipeline section
Crosspoint between one lengths of rebar and the second lengths of rebar of the second reinforcing bar group is by burning silk locking；Reinforcing rib is arranged adjacent
Between two the first lengths of rebar；Concrete is poured into pipeline section；Wherein, the tank slump out of concrete is in 240mm to 250mm
Between, concrete enters to pump slump in 200mm between 210mm, and the presetting period of concrete is not less than 20h, concrete
Final setting time is in 21h between 25h.
Further, it is locked by burning silk in the crosspoint of the first reinforcing bar group being located in pipeline section and the second reinforcing bar group
Before, pipe fitting formwork support method further include: go out thread segment in the end rolling of the first screw-thread steel, wherein in the first screw thread of rolling
The first screw-thread steel is lubricated using water-soluble cutting fluid when steel；Multiple first screw-thread steels are successively connected by multiple screw shells
It connects and passes through torque spanner and fasten to form the first lengths of rebar, wherein when connecting two the first screw-thread steels by screw shell,
The plastics protective cap being arranged on thread segment is removed；By the first screw-thread steel of part along presetting the bending of bending point, with pipeline section
Inner surface match, wherein the distance of the threshold value bending point of thread segment be not less than 150mm.
Further, after concrete coagulation preset time, pipe fitting formwork support method further include: with hammering and ultrasonic wave
Monitor concrete compaction rate and can be closely connected between pipeline section.
Pipe fitting formwork support structure of the invention in the lumen of pipeline section by being provided with the first reinforcing bar group, the second reinforcing bar
Pipe fitting formwork support structure may be implemented for the integrated support of soil property matrix in group, reinforcing rib and concrete.Wherein, pipeline section is
Multiple, multiple pipeline sections set gradually and are connected along desired guiding trajectory, and the pipe of pipeline section is arranged in the first reinforcing bar group and the second reinforcing bar group
Intracavitary, the first reinforcing bar group includes multiple first lengths of rebar, and multiple first lengths of rebar are horizontally disposed, and the second reinforcing bar group includes
Multiple second lengths of rebar, the first lengths of rebar are connected with the second lengths of rebar, and reinforcement is arranged in multiple second lengths of rebar along the vertical direction
Muscle is arranged between two neighboring first lengths of rebar, so that two neighboring first lengths of rebar is connected by reinforcing rib, concrete
It is arranged in the lumen of pipeline section, the first reinforcing bar group, the second reinforcing bar group and reinforcing rib is sealed in concrete.Of the invention
Pipe fitting formwork support structure can be improved two neighboring first by being provided with reinforcing rib between two neighboring first lengths of rebar
Connective stability between lengths of rebar solves existing to enhance the overall stability of the first reinforcing bar group and the second reinforcing bar group
The problem for having the steel bar piece connective stability of the pipe fitting formwork support structure in technology poor.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 shows the attachment structure schematic diagram of the pipeline section of pipe fitting formwork support structure according to the present invention；
Fig. 2 shows the partial structural diagrams of pipe fitting formwork support structure according to the present invention；
Fig. 3 shows the first lengths of rebar of pipe fitting formwork support structure according to the present invention and the connection structure of screw shell
Schematic diagram；
Fig. 4 shows the flow diagram of pipe fitting formwork support method according to the present invention.
Wherein, the above drawings include the following reference numerals:
10, pipeline section；20, the first lengths of rebar；30, the second lengths of rebar；40, reinforcing rib；50, screw shell.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
The present invention provides a kind of pipe fitting formwork support structures, please refer to Fig. 1 to Fig. 3, and pipe fitting formwork support structure includes:
Pipeline section 10, pipeline section 10 be it is multiple, multiple pipeline sections 10 set gradually and are connected along desired guiding trajectory；First reinforcing bar group, the first reinforcing bar
Group is arranged in the lumen of pipeline section 10, and the first reinforcing bar group includes multiple first lengths of rebar 20, and multiple first lengths of rebar 20 are along level
Direction setting；Second reinforcing bar group, the second reinforcing bar group are arranged in the lumen of pipeline section 10, and the second reinforcing bar group includes multiple second reinforcing bars
Section 30, multiple second lengths of rebar 30 are arranged along the vertical direction, are arranged at intervals with along the extending direction of the first lengths of rebar 20 multiple
Second lengths of rebar 30 is arranged at intervals with multiple first lengths of rebar 20, the first lengths of rebar along the extending direction of the second lengths of rebar 30
20 are connected with the second lengths of rebar 30；Reinforcing rib 40, reinforcing rib 40 is arranged between two neighboring first lengths of rebar 20, so that phase
Adjacent two the first lengths of rebar 20 are connected by reinforcing rib 40；Concrete, concrete are arranged in the lumen of pipeline section 10, by
One reinforcing bar group, the second reinforcing bar group and reinforcing rib 40 are sealed in concrete.
Pipe fitting formwork support structure of the invention in the lumen of pipeline section 10 by being provided with the first reinforcing bar group, the second reinforcing bar
Pipe fitting formwork support structure may be implemented for the integrated support of soil property matrix in group, reinforcing rib 40 and concrete.Wherein, pipeline section
10 is multiple, and multiple pipeline sections 10 set gradually and are connected along desired guiding trajectory, and the first reinforcing bar group and the second reinforcing bar group are arranged in pipe
In the lumen of section 10, the first reinforcing bar group includes multiple first lengths of rebar 20, and multiple first lengths of rebar 20 are horizontally disposed, the
Two reinforcing bar groups include multiple second lengths of rebar 30, and the first lengths of rebar 20 is connected with the second lengths of rebar 30, multiple second lengths of rebar
30 are arranged reinforcing rib 40 along the vertical direction is arranged between two neighboring first lengths of rebar 20, so that two neighboring first lengths of rebar
20 are connected by reinforcing rib 40, and concrete is arranged in the lumen of pipeline section 10, by the first reinforcing bar group, the second reinforcing bar group and
Reinforcing rib 40 is sealed in concrete.Pipe fitting formwork support structure of the invention passes through between two neighboring first lengths of rebar 20
It is provided with reinforcing rib 40, the connective stability between two neighboring first lengths of rebar 20 can be improved, to enhance the first steel
The overall stability of muscle group and the second reinforcing bar group, the steel bar piece connection for solving pipe fitting formwork support structure in the prior art are steady
Qualitative poor problem.
In the present embodiment, multiple second lengths of rebar 30, edge are arranged at intervals with along the extending direction of the first lengths of rebar 20
Multiple first lengths of rebar 20 are arranged at intervals on the extending direction of second lengths of rebar 30, i.e., multiple first lengths of rebar 20 and multiple
Two lengths of rebar 30 form multiple steel bar layers on horizontal direction and vertical direction, and the steel bar layer in horizontal direction and vertical
Steel bar layer on direction is arranged in a crossed manner, so as to form a dimensional support net.
In the present embodiment, the first lengths of rebar 20 is horizontally disposed, it can is the axial direction along pipeline section 10
It can be the radial direction along pipeline section 10.
In the present embodiment, as shown in Figure 1, multiple pipeline sections 10 form a ring structure.
In order to improve the connective stability between the first lengths of rebar 20, reinforcing rib 40 is multiple, multiple reinforcing ribs 40
It is arranged along the extending direction interval of the first lengths of rebar 20.
In the present embodiment, by setting multiple for reinforcing rib 40, so that two neighboring first lengths of rebar
Multiple reinforcing ribs 40 are can connect between 20.
Preferably, the end of two neighboring first lengths of rebar 20 is connected at least one reinforcing rib 40, and reinforcing rib 40 with
The second lengths of rebar 30 that the end of the first lengths of rebar 20 is arranged in is in contact.
In the present embodiment, the end of the first lengths of rebar 20 is connected with the second lengths of rebar 30, and two neighboring first steel
The end of muscle section 20 is connected at least one reinforcing rib 40, so that reinforcing rib 40 and the end for being located at the first lengths of rebar 20
Second lengths of rebar 30 in portion is in contact, at this point, reinforcing rib 40 can be connected with each other with the second lengths of rebar 30, so as to improve whole knot
The stability of structure.
For the specific structure of reinforcing rib 40, reinforcing rib 40 includes: main paragraph, and main paragraph is arranged in two neighboring first steel
Between muscle section 20；Linkage section, linkage section are arranged in pairs, and two pairs of linkage sections are separately positioned on the both ends of main paragraph, in pairs
Two linkage sections be separately connected with two neighboring first lengths of rebar 20；Wherein, linkage section is to hook body, hooks body and is fastened on the first steel
In muscle section 20.
In the present embodiment, reinforcing rib 40 is made of the linkage section at main paragraph and the both ends that main paragraph is arranged in, wherein
Two pairs of linkage sections are separately connected with two neighboring first lengths of rebar 20.
In the present embodiment, linkage section is to hook body, and linkage section is the body of rod.
In the present embodiment, main paragraph and two pairs of linkage sections are integrally formed.
In the present embodiment, reinforcing rib 40 is reinforcing bar, and reinforcing rib 40 is S-shaped structure.
Preferably, reinforcing rib 40 is provided between two neighboring second lengths of rebar 30, reinforcing rib 40 is reinforcing bar.
In the present embodiment, it is also equipped with reinforcing rib 40 between two neighboring second lengths of rebar 30, that is, passes through reinforcing rib 40
To provide the connective stability between two neighboring second lengths of rebar 30.
Preferably, pipe fitting formwork support structure further includes screw shell 50, and the first lengths of rebar 20 and the second lengths of rebar 30 are
For screw-thread steel；Wherein, the first lengths of rebar 20 includes multiple first screw-thread steels, and the second lengths of rebar 30 includes multiple second screw-thread steels,
The diameter of first screw-thread steel is greater than the diameter of the second screw-thread steel, and multiple first screw-thread steels successively overlap, and multiple second screw-thread steels are logical
Cross the connection of screw shell 50.
In the present embodiment, the first lengths of rebar 20 is formed by connecting by multiple first screw-thread steels, two neighboring second screw-thread steel
It is connected by screw shell 50, is i.e. is threadedly coupled between the first screw-thread steel and screw shell 50.
In the present embodiment, the second lengths of rebar 30 is formed by connecting by multiple second screw-thread steels, two neighboring first screw-thread steel
Successively overlap.
Preferably, concrete includes: cement, and cement is portland cement；The clay content of sand, sand is not more than 5%；Rubble,
For the partial size of rubble in 5mm between 10mm, the clay content of rubble is not more than 2%；Water, water are clean water free from foreign meter.
In the present embodiment, concrete further includes other additives.
In the present embodiment, less than 0.45, every cube of concrete gel material dosage is no less than control concrete water-cement ratio
320kg, sand factor control between 35%~40%.Appropriate efficient retarding and water reducing agent, kind and volume are mixed in concrete
It is tests determined.20%~30% flyash that cement consumption is added in concrete, can improve concrete items technical performance,
Reduce the heat of hydration of inside concrete.Suitable concrete micro-expanding agent is mixed in concrete, the contraction of compensating concrete subtracts
The contraction fissure of few concrete, specific volume are tests determined.
The present invention also provides a kind of pipe fitting formwork support methods, as shown in figure 4, pipe fitting formwork support method is used to form
Above-mentioned pipe fitting formwork support structure, pipe fitting formwork support method include: that will be located at first of the first reinforcing bar group in pipeline section 10
Crosspoint between lengths of rebar 20 and the second lengths of rebar 30 of the second reinforcing bar group is by burning silk locking；The setting of reinforcing rib 40 is existed
Between two neighboring first lengths of rebar 20；Concrete is poured into pipeline section 10；Wherein, the tank slump that goes out of concrete exists
240mm is between 250mm, and concrete enters to pump slump in 200mm between 210mm, and the presetting period of concrete is not less than
20h, the final setting time of concrete is in 21h between 25h.
In the present embodiment, by burning silk for the second steel of the first lengths of rebar 20 of the first reinforcing bar group and the second reinforcing bar group
Reinforcing rib 40, is then arranged between two neighboring first lengths of rebar 20, is provided in reinforcing bar group by the binding molding of muscle section 30
Afterwards, concrete is poured into pipeline section 10.
In the present embodiment, slump when self-compacting concrete enters construction site is 260mm~280mm；Divergence
(5S) 600mm~750mm, workability is good, visually without Qinshui, segregation phenomenon.Concrete enters behind construction site by live skill
It can be poured after art personnel, management acceptance(check).
In the present embodiment, the transport of self-compacting concrete (self-compacting concrete): should keep the uniformity of concrete mix,
Isolation, layering and front and back non-uniform phenomenon should not be generated.Haulage time meets prescribed requirement, and discharging finishes in 90min, when most
When high temperature is lower than 25 DEG C, the shipping time can extend 30min.Concrete is transported to scene, tank car must low-speed running do not stop, discharge
Before, high-speed cruising 1min.Rate of pumping minimizes when the pumping of self-compaction commerical ready-mixed concrete pours, and is applied according to existing engineering
Work experience, in non-dense set arrangement of reinforcement, the distance between self-compacting concrete pour point is not preferably greater than 10m, and vertical range is unsuitable
Greater than 5m, when being greater than, 5m is appropriate to the occasion to be poured with tremie method.To intensive armored concrete component, between self-compacting concrete pour point away from
From 5m is not preferably greater than, Vertical Free distance of fall is not preferably greater than 2.5m.The pour point of self-compacting concrete will be evenly distributed.In time
The height difference for observing two sides concrete pulp noodle, is strict controlled within 400 ㎜.Concrete, which is carried out continuously, to be poured, and interval time is no more than 2h.
The production of concrete strength test specimen: concrete is directly poured into die trial after mixing evenly, must not be used shake table and be plugged and pounded method molding.
In the present embodiment, a piece note should be set at the top of steel pipe before row's steel pipe (pipeline section 10) every section of steel pipe pours up and down
Slurry pipe, Grouting Pipe specification D20, for cement injection to fill pipe orifice gap again after the initial set of pipe inner concrete.Note in every section of steel pipe
Slurry pipe is elongated arrangement, and injected hole is reserved at construction joint.
Preferably, it is locked by burning silk in the crosspoint of the first reinforcing bar group being located in pipeline section 10 and the second reinforcing bar group
Before, pipe fitting formwork support method further include: go out thread segment in the end rolling of the first screw-thread steel, wherein in the first screw thread of rolling
The first screw-thread steel is lubricated using water-soluble cutting fluid when steel；Successively by multiple screw shells 50 by multiple first screw-thread steels
It connects and passes through torque spanner and fasten to form the first lengths of rebar 20, wherein two the first spiral shells are being connected by screw shell 50
When line steel, the plastics protective cap being arranged on thread segment is removed；The bending of bending point is preset on the first screw-thread steel edge of part, with
It is matched with the inner surface of pipeline section 10, wherein the distance of the threshold value bending point of thread segment is not less than 150mm.
In the present embodiment, protective cap is that external structure scratches thread segment in order to prevent.
Preferably, after concrete coagulation preset time, pipe fitting formwork support method further include: with hammering and ultrasonic wave prison
Survey concrete compaction rate and can be closely connected between pipeline section 10.
In the present embodiment, concrete strength is greater than 12MPa (after demoulding test block test intensity qualification) when room temperature, makes
Demoulding when concrete strength reaches 12MPa.Guarantee wall not sticking to mould, not arrisdefect, not crack when demoulding.Due to only having end to tear open
Mould, therefore concrete moist curing is kept to end in time after removing.
It can be seen from the above description that the above embodiments of the present invention realized the following chievements:
Pipe fitting formwork support structure of the invention in the lumen of pipeline section 10 by being provided with the first reinforcing bar group, the second reinforcing bar
Pipe fitting formwork support structure may be implemented for the integrated support of soil property matrix in group, reinforcing rib 40 and concrete.Wherein, pipeline section
10 is multiple, and multiple pipeline sections 10 set gradually and are connected along desired guiding trajectory, and the first reinforcing bar group and the second reinforcing bar group are arranged in pipe
In the lumen of section 10, the first reinforcing bar group includes multiple first lengths of rebar 20, and multiple first lengths of rebar 20 are horizontally disposed, the
Two reinforcing bar groups include multiple second lengths of rebar 30, and the first lengths of rebar 20 is connected with the second lengths of rebar 30, multiple second lengths of rebar
30 are arranged reinforcing rib 40 along the vertical direction is arranged between two neighboring first lengths of rebar 20, so that two neighboring first lengths of rebar
20 are connected by reinforcing rib 40, and concrete is arranged in the lumen of pipeline section 10, by the first reinforcing bar group, the second reinforcing bar group and
Reinforcing rib 40 is sealed in concrete.Pipe fitting formwork support structure of the invention passes through between two neighboring first lengths of rebar 20
It is provided with reinforcing rib 40, the connective stability between two neighboring first lengths of rebar 20 can be improved, to enhance the first steel
The overall stability of muscle group and the second reinforcing bar group, the steel bar piece connection for solving pipe fitting formwork support structure in the prior art are steady
Qualitative poor problem.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so that presently filed embodiment described herein for example can be in addition to herein
Sequence other than those of diagram or description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that
Be to cover it is non-exclusive include, for example, containing the process, method, system, product or equipment of a series of steps or units not
Those of be necessarily limited to be clearly listed step or unit, but may include be not clearly listed or for these processes, side
The intrinsic other step or units of method, product or equipment.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of pipe fitting formwork support structure characterized by comprising
Pipeline section (10), the pipeline section (10) be it is multiple, multiple pipeline sections (10) set gradually and are connected along desired guiding trajectory；
First reinforcing bar group, the first reinforcing bar group are arranged in the lumen of the pipeline section (10), and the first reinforcing bar group includes more
A first lengths of rebar (20), multiple first lengths of rebar (20) are horizontally disposed；
Second reinforcing bar group, the second reinforcing bar group are arranged in the lumen of the pipeline section (10), and the second reinforcing bar group includes more
A second lengths of rebar (30), multiple second lengths of rebar (30) are arranged along the vertical direction, along first lengths of rebar (20)
Multiple second lengths of rebar (30) are arranged at intervals on extending direction, along the extending direction of second lengths of rebar (30) between
Every being provided with multiple first lengths of rebar (20), first lengths of rebar (20) is connected with second lengths of rebar (30)；
Reinforcing rib (40), the reinforcing rib (40) is arranged between two neighboring first lengths of rebar (20), so that adjacent two
A first lengths of rebar (20) is connected by the reinforcing rib (40)；
Concrete, the concrete is arranged in the lumen of the pipeline section (10), by the first reinforcing bar group, second steel
Muscle group and the reinforcing rib (40) are sealed in the concrete.
2. pipe fitting formwork support structure according to claim 1, which is characterized in that the reinforcing rib (40) be it is multiple, it is more
A reinforcing rib (40) is arranged along the extending direction interval of first lengths of rebar (20).
3. pipe fitting formwork support structure according to claim 2, which is characterized in that two neighboring first lengths of rebar
(20) end is connected at least one described reinforcing rib (40), and the reinforcing rib (40) and setting are in first lengths of rebar
(20) second lengths of rebar (30) of end is in contact.
4. pipe fitting formwork support structure according to claim 1, which is characterized in that the reinforcing rib (40) includes:
Main paragraph, the main paragraph are arranged between two neighboring first lengths of rebar (20)；
Linkage section, the linkage section are arranged in pairs, and two pairs of linkage sections are separately positioned on the both ends of the main paragraph,
Two pairs of linkage sections are separately connected with two neighboring first lengths of rebar (20)；
Wherein, the linkage section is to hook body, and the hook body is fastened on first lengths of rebar (20).
5. pipe fitting formwork support structure according to any one of claim 1 to 4, which is characterized in that two neighboring described
It is provided between second lengths of rebar (30) reinforcing rib (40), the reinforcing rib (40) is reinforcing bar.
6. pipe fitting formwork support structure according to claim 1, which is characterized in that the pipe fitting formwork support structure also wraps
It includes screw shell (50), first lengths of rebar (20) and second lengths of rebar (30) are screw-thread steel；
Wherein, first lengths of rebar (20) includes multiple first screw-thread steels, and second lengths of rebar (30) includes multiple second
Screw-thread steel, the diameter of first screw-thread steel are greater than the diameter of second screw-thread steel, and multiple first screw-thread steels are successively taken
It connects, multiple second screw-thread steels are connected by the screw shell (50).
7. pipe fitting formwork support structure according to claim 1, which is characterized in that the concrete includes:
Cement, the cement are portland cement；
The clay content of sand, the sand is not more than 5%；
Rubble, for the partial size of the rubble in 5mm between 10mm, the clay content of the rubble is not more than 2%；
Water, the water are clean water free from foreign meter.
8. a kind of pipe fitting formwork support method, which is characterized in that the pipe fitting formwork support method be used to form claim 1 to
Pipe fitting formwork support structure described in any one of 7, the pipe fitting formwork support method include:
The first lengths of rebar (20) of the first reinforcing bar group in pipeline section (10) and the second lengths of rebar (30) of the second reinforcing bar group will be located at
Between crosspoint by burn silk locking；
Reinforcing rib (40) are arranged between two neighboring first lengths of rebar (20)；
Concrete is poured into the pipeline section (10)；
Wherein, concrete goes out tank slump in 240mm between 250mm, concrete enter to pump slump 200mm extremely
Between 210mm, the presetting period of concrete is not less than 20h, and the final setting time of concrete is in 21h between 25h.
9. pipe fitting formwork support method according to claim 8, which is characterized in that the institute in the pipeline section (10) will be located at
The crosspoint of the first reinforcing bar group and the second reinforcing bar group is stated by the way that before burning silk locking, the pipe fitting formwork support method is also
Include:
Go out thread segment in the end rolling of the first screw-thread steel, wherein using water-soluble cutting when the first screw-thread steel described in rolling
Lubricating fluid lubricates first screw-thread steel；
Multiple first screw-thread steels are sequentially connected by multiple screw shells (50) and are fastened by torque spanner to be formed
First lengths of rebar (20), wherein when connecting two first screw-thread steels by the screw shell (50), will be arranged
Plastics protective cap on the thread segment is removed；
By first screw-thread steel of part along the bending of bending point is preset, to be matched with the inner surface of the pipeline section (10),
In, the distance of the point of bending described in the threshold value of the thread segment is not less than 150mm.
10. pipe fitting formwork support method according to claim 8, which is characterized in that when the concrete coagulation is default
Between after, the pipe fitting formwork support method further include:
With hammering and monitoring ultrasonic concrete compaction rate and can be closely connected between the pipeline section (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811645686.4A CN109736839A (en) | 2018-12-30 | 2018-12-30 | Pipe fitting formwork support structure and pipe fitting formwork support method |
Applications Claiming Priority (1)
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| CN114370280A (en) * | 2021-12-31 | 2022-04-19 | 刘侨 | Construction method of weak surrounding rock water-rich large-section tunnel |
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Application publication date: 20190510 |