CN106113253A - A kind of manufacture method of the dual prestressed reinforced concrete of tension-torsion - Google Patents
A kind of manufacture method of the dual prestressed reinforced concrete of tension-torsion Download PDFInfo
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- CN106113253A CN106113253A CN201610503660.0A CN201610503660A CN106113253A CN 106113253 A CN106113253 A CN 106113253A CN 201610503660 A CN201610503660 A CN 201610503660A CN 106113253 A CN106113253 A CN 106113253A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
- B28B23/04—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members the elements being stressed
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Abstract
The present invention is the manufacture method about the dual prestressed reinforced concrete of a kind of tension-torsion, including: prepare precast reinforced assembly；Described precast reinforced assembly is placed in casting mold, and applies the dual prestressing force of tension-torsion；Closely knit molding after pouring into concrete in described casting mold, maintenance 7 14 days；After concrete reaches more than the 90% of final strength, shed the external force put on described precast reinforced assembly.The manufacture method of the dual prestressed reinforced concrete of tension-torsion disclosed by the invention, has given full play to the effect of deformed bar assembly, it is ensured that armored concrete axially, radially and circumferentially on be respectively provided with prestressing force, thus improve the intensity of prestressed reinforced concrete.
Description
Technical field
The present invention relates to construction engineering technical field, particularly relate to the manufacture of the dual prestressed reinforced concrete of a kind of tension-torsion
Method.
Background technology
Concrete is the construction material that consumption is maximum in architectural engineering, and armored concrete is the significant improvement of concrete,
But armored concrete the most easily ftractures, thus service life is shorter.Then, prestressed reinforced concrete just should
Transport and give birth to, the problem that prestressed reinforced concrete overcomes armored concrete cracking.
In correlation technique, prestressed reinforced concrete is before manufacture by length certain for steel bar stretching, allows after stretching
The prestressed reinforcing bar that has make prestressed reinforced concrete in concrete mold or in the prestress hole of concrete component
Component.If prestressed reinforced concrete is in use by outside pressure or pulling force, it is necessary first in advance should offset
The prestressing force of the deformed bar in power concrete component, when being increased to the pre-of deformed bar by outside pressure or pulling force
During stress relieving, concrete starts to bear pressure or the pulling force of outside, until concrete also cannot bear the pressure of outside or draw
During power, concrete just starts crack occur.
But, the deformed bar in prestressed reinforced concrete only stretches, in the axial direction when outside is to concrete
When applying pressure or pulling force on other direction of component, prestressed reinforced concrete is easy to cracking or deformation, therefore, is making
The potentiality of deformed bar are not given full play of during prestressed reinforced concrete.
Summary of the invention
For overcoming problem present in correlation technique, the present invention provides the system of the dual prestressed reinforced concrete of a kind of tension-torsion
Make method.
First aspect according to embodiments of the present invention, it is provided that the manufacturer of the dual prestressed reinforced concrete of a kind of tension-torsion
Method, it is characterised in that including:
Prepare precast reinforced assembly；
Described precast reinforced assembly is placed in casting mold, and applies the dual prestressing force of tension-torsion；
Closely knit molding after pouring into concrete in described casting mold, maintenance 7-14 days；
After concrete reaches more than the 90% of final strength, shed the external force put on described precast reinforced assembly.
Preferably, the precast reinforced assembly of described preparation, including:
Intercepted length is longer than the straight muscle of prestressing force of described casting mold.
Preferably, described casting mold includes concrete formation mould, steel pipe or concrete component prestress hole；
Described described precast reinforced assembly is placed in casting mold, and applies the dual prestressing force of tension-torsion, including:
Straight for described prestressing force muscle is placed in described concrete formation mould, steel pipe or concrete component prestress hole；
From described concrete formation mould, steel pipe or concrete component, muscle straight to described prestressing force applies stretching and reverses
Dual prestressing force.
Preferably, the precast reinforced assembly of described preparation, including:
Intercept the straight muscle of regular length, described straight muscle applies reverse brake forming after prestressing force；
Torsion prestressing force stirrup is made in the straight muscle head and the tail butt welding of brake forming；
Intercepted length is longer than the straight muscle of prestressing force of described casting mold, and is fixed on by described torsion prestressing force stirrup described
On the straight muscle of prestressing force.
Preferably, described casting mold includes concrete formation mould, steel pipe or concrete component prestress hole；
Described described precast reinforced assembly is placed in casting mold, and applies the dual prestressing force of tension-torsion, including:
Described precast reinforced assembly is placed in described concrete formation mould, steel pipe or concrete component prestress hole；
To the straight muscle of prestressing force in described prestressing force assembly from described concrete formation mould, steel pipe or concrete component
Apply stretching or reverse dual prestressing force.
Preferably, the precast reinforced assembly of described preparation, including:
Steel wire big for elastic modelling quantity is made mismatch stirrup；
Torsion prestressing force stirrup is made in the head and the tail butt welding of described mismatch stirrup；
Intercept the straight muscle of prestressing force, described torsion prestressing force stirrup is lashed on the straight muscle of described prestressing force by tied silk.
Preferably, described casting mold includes concrete formation mould, steel pipe or concrete component prestress hole；
Described described precast reinforced assembly is placed in casting mold, and applies the dual prestressing force of tension-torsion, including:
The precast reinforced assembly tying up described torsion prestressing force stirrup is placed in described concrete formation mould, steel pipe or
In concrete component prestress hole；
From described concrete formation mould, steel pipe or concrete component, muscle straight to described prestressing force applies stretching and reverses
Dual prestressing force.
Preferably, the precast reinforced assembly of described preparation, including:
Prepare to be shorter in length than the tension type helical spring of described casting mold.
Preferably, described casting mold includes concrete formation mould, steel pipe or concrete component prestress hole；
Described described precast reinforced assembly is placed in casting mold, and applies the dual prestressing force of tension-torsion, including:
Described tension type helical spring is placed in described concrete formation mould, steel pipe or concrete component prestress hole
In；
Stretch described tension type helical spring from described concrete formation mould, steel pipe or concrete component two ends and fix
The two ends of described tension type helical spring.
The technical scheme that embodiments of the invention provide can include following beneficial effect: the embodiment of the present invention is disclosed to be made
Make in method, prepare precast reinforced assembly；Described precast reinforced assembly is placed in casting mold, and apply tension-torsion dual pre-should
Power；Closely knit molding after pouring into concrete in described casting mold, maintenance 7-14 days；When concrete reaches the 90% of final strength
After above, shed the external force put on described precast reinforced assembly.By applying drawing on axially on precast reinforced assembly
Stretch, the twisting resistance of circumference and tightening force radially, it is ensured that the pressure that prestressed reinforced concrete can bear in a plurality of directions
Or pulling force increases, not only give full play to the effect of concrete-bar component, enhance prestressed reinforced concrete in radial direction and week simultaneously
Intensity upwards.
It should be appreciated that it is only exemplary and explanatory, not that above general description and details hereinafter describe
The present invention can be limited.
Accompanying drawing explanation
Accompanying drawing herein is merged in description and constitutes the part of this specification, it is shown that meet the enforcement of the present invention
Example, and for explaining the principle of the present invention together with description.
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, for those of ordinary skill in the art
Speech, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The manufacture method flow process signal of the dual prestressed reinforced concrete of a kind of tension-torsion that Fig. 1 provides for the embodiment of the present invention
Figure；
Fig. 2 shows for the manufacture method flow process of the dual prestressed reinforced concrete of another kind of tension-torsion that the embodiment of the present invention provides
It is intended to；
Fig. 3 shows for the manufacture method flow process of the dual prestressed reinforced concrete of another tension-torsion that the embodiment of the present invention provides
It is intended to；
Fig. 4 shows for the manufacture method flow process of the dual prestressed reinforced concrete of another tension-torsion that the embodiment of the present invention provides
It is intended to；
Fig. 5 shows for the manufacture method flow process of the dual prestressed reinforced concrete of another tension-torsion that the embodiment of the present invention provides
It is intended to.
Detailed description of the invention
Here will illustrate exemplary embodiment in detail, its example represents in the accompanying drawings.Explained below relates to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represents same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the present invention.On the contrary, they are only with the most appended
The example of the apparatus and method that some aspects that described in detail in claims, the present invention are consistent.
In prior art, straight muscle, in manufacturing process, is only stretched by prestressed reinforced concrete in the axial direction,
Not giving full play to the potentiality of straight muscle, the manufacture method that the embodiment of the present invention provides gives full play to the potentiality of straight muscle and stirrup, at axle
To, radially and circumferentially on be respectively provided with prestressing force.
Embodiment one
The manufacture method flow process signal of the dual prestressed reinforced concrete of a kind of tension-torsion that Fig. 1 provides for the embodiment of the present invention
Figure.
Step S001, prepares the steel that precast reinforced assembly needs, and precasts concrete-bar component.
Precast reinforced assembly will be applied to after being ready to making in the dual prestressed reinforced concrete of tension-torsion, pre-manufactured steel
Muscle assembly determines the tensile force in the dual prestressed reinforced concrete of tension-torsion and twisting resistance, thus ensures the dual prestressing force of tension-torsion
Armored concrete axially, radially and circumferentially on be respectively provided with prestressing force, axially refer to the direction along precast reinforced assembly, be radially
Referring to the direction vertical with precast reinforced assembly, circumference is around axially direction, and this direction is applicable to hereafter.
Step S002, is placed in precast reinforced assembly in casting mold, and applies the dual prestressing force of tension-torsion.
After prefabricated concrete-bar component, being placed in casting mold by precast reinforced assembly, wherein casting mold includes coagulation
The prestress hole of earth forming mould, steel pipe or concrete component.On precast reinforced, apply the dual prestressing force of tension-torsion, can realize
Precast reinforced have stretching simultaneously and reverse prestressing force.
Step S003, closely knit molding after pouring into concrete in casting mold, maintenance 7-14 days.
After precast reinforced assembly is applied in the dual prestressing force of tension-torsion in casting mold, precast reinforced assembly is fixed,
And in casting mold, pour into concrete.Make concrete closely knit bubble-free in casting mold, maintenance 7-14 days.
Step S400, after concrete reaches more than the 90% of final strength, sheds and puts on precast reinforced assembly
External force.
After the intensity after concrete setting reaches more than the 90% of final strength, just can shed be applied to precast reinforced
External force on assembly.Final strength is the intensity after concrete solidifies completely, and general concrete is the most permissible after solidifying 28 days
Reach final strength, therefore reach more than the 90% of final strength, more than 90% natural law of i.e. 28 days, say, that 25 days
Below i.e. can reach more than the 90% of final strength.But the restriction that cannot function as scope in 25 days, because reaching
The time of final strength is relevant with several factors, such as gas epidemic disaster etc..
Seen from the above description, in the manufacture method that the present embodiment provides, precast reinforced assembly can be applied in stretching and turn round
Turn dual prestressing force, therefore give full play to the effect of precast reinforced assembly.
Embodiment two
Embodiments provide a kind of specific embodiment, see Fig. 2, the another kind provided for the embodiment of the present invention
The manufacture method schematic flow sheet of the dual prestressed reinforced concrete of tension-torsion.
In step S101, intercepted length is longer than the straight muscle of prestressing force of casting mold.
Step S101 is to the detailed description of the invention of step S001 in above-described embodiment.When preparing precast reinforced assembly, first
The straight muscle of prestressing force of intercepting certain length, the length casting mold to be longer than of precast reinforced assembly, so could be at casting mold
Outward concrete-bar component is applied the dual prestressing force of tension-torsion.
Step S102, is placed in straight for prestressing force muscle in concrete formation mould, steel pipe or concrete component prestress hole.
Casting mold includes concrete formation mould, steel pipe or concrete component prestress hole, wherein, uses concrete structure
Part prestress hole and concrete-bar component make the dual prestressed reinforced concrete of tension-torsion and are equivalent to existing post stretching.It is to say,
First manufacture concrete component, manufacturing process is reserved in concrete component prestress hole, then waits concrete component solidification
After, deformed bar assembly is inserted in the prestress hole of concrete component.
The shape of concrete formation mould can freely adjust according to the dual prestressed reinforced concrete of the tension-torsion that will manufacture,
So, the motility using concrete formation Mold Making armored concrete is stronger.
In concrete formation mould or steel pipe, insert multiple precast reinforced assembly, and precast reinforced assembly becomes at concrete
Left and right in mould, up and down or in tandem, naturally it is also possible to three kinds of spread patterns exist simultaneously.Insert the pre-manufactured steel in steel pipe
The optimal alignment mode of muscle assembly is, precast reinforced assembly is the most parallel in steel pipe.Such as, in steel pipe, precast reinforced group
Part is circular or square on longitudinal section, and is also equipped with pre-manufactured steel on the straight line at circular or foursquare central point place
Muscle assembly.
Step S103, from concrete formation mould, steel pipe or concrete component, muscle straight to prestressing force applies stretching or turns round
Turn dual prestressing force.
When being placed in concrete formation mould by straight for prestressing force muscle, the length of the straight muscle of prestressing force is longer than concrete formation mould
Tool, applies stretching and twisting resistance, makes the straight muscle of prestressing force axial and all at the two ends of the concrete formation straight muscle of mould External prestressed
To having prestressing force.
When being placed in steel pipe by straight for prestressing force muscle, the length of the straight muscle of prestressing force is longer than the length of steel pipe, becomes at concrete
The two ends of the straight muscle of mould External prestressed apply stretching and twisting resistance, make the straight muscle of prestressing force have pre-answering on axial and circumferential
Power.
If casting mold is the prestress hole of concrete component, straight for prestressing force muscle is inserted the prestressing force of concrete component
Kong Zhong, then outside concrete component, the two ends of muscle straight to prestressing force apply stretching and reverse prestressing force.
Then, in casting mold, pour into concrete compaction molding, maintenance 7-14 days, treat that concrete strength reaches final strong
After more than the 90% of degree, shed the external force put on the straight muscle of prestressing force.
For using the concrete component of concrete formation mould, need after reaching certain intensity, carry out the demoulding.
Embodiment three
See Fig. 3, for the manufacture method of the dual prestressed reinforced concrete of another tension-torsion that the embodiment of the present invention provides
Schematic flow sheet, in the manufacture method that the embodiment of the present invention provides, precast reinforced assembly includes the straight muscle of prestressing force and reverses pre-answering
Power stirrup.
In step s 201, intercept the straight muscle of regular length, straight muscle applies reverse brake forming after prestressing force.
First being to make precast reinforced assembly, precast reinforced assembly includes the straight muscle of prestressing force and reverses prestressing force stirrup, in advance
The straight muscle of stress directly intercepts, and reversing prestressing force stirrup needs to make.Intercept the straight muscle of regular length, execute on the most straight muscle
Add torsion prestressing force after by straight muscle brake forming, it is ensured that the straight muscle after bending has twisting resistance.
In step S202, torsion prestressing force stirrup is made in the straight muscle head and the tail butt welding of brake forming.
Straight muscle head and the tail butt welding successively after bending is made torsion prestressing force stirrup, and the steel wire reversing prestressing force stirrup has
Twisting resistance.
In step S203, intercepted length is longer than the straight muscle of prestressing force of casting mold, and is fixed by torsion prestressing force stirrup
On the straight muscle of prestressing force.
Torsion prestressing force stirrup is enclosed within the straight muscle of prestressing force, and is welded and fixed.Reverse prestressing force stirrup length with water
The length coupling of injection molding tool, the length of the straight muscle of prestressing force is longer than the length of concrete formation mould.After making precast reinforced assembly,
Carry out next step.
Step S204, is placed in precast reinforced assembly in concrete formation mould, steel pipe or concrete component prestress hole.
Concrete formation mould, steel pipe or concrete structure will be placed on the precast reinforced assembly reversing prestressing force stirrup
In the prestress hole of part.The straight rib tape of prestressing force stirrup and is placed on concrete formation mould, steel pipe or concrete component together
Prestress hole in, owing to the length of the straight muscle of prestressing force is longer than concrete formation mould, steel pipe or concrete component, so,
The two ends of the straight muscle of prestressing force are exposed outside concrete formation mould, steel pipe or concrete component.
In step S205, from concrete formation mould, steel pipe or concrete component in prestressing force assembly pre-should
The straight muscle of power applies stretching and reverses dual prestressing force.
At prestressing force straight muscle two ends, just enter assembly applying stretching to prefabricated and reversed dual prestressing force, having reversed prestressing force
Also there is on stirrup torsion prestressing force, so, the prestress square on deformed bar assembly, to increasing, is effectively guaranteed tension-torsion
The intensity of dual prestressed reinforced concrete, and given full play to the potentiality of prestressing force assembly.
After having applied stretching and having reversed dual prestressing force, following step is exactly step S003 in embodiment one and step
Rapid S004, but during for using concrete formation mould, after concrete setting to some strength, need through de-
Mould.
Embodiment four
See the making side of the dual prestressed reinforced concrete of another tension-torsion that Fig. 4, Fig. 4 provide for the embodiment of the present invention
Method schematic flow sheet.
Precast reinforced assembly in the embodiment of the present invention is identical with the precast reinforced assembly principle in embodiment three.In step
In S301, steel wire big for elastic modelling quantity is made mismatch stirrup.
In step S302, torsion prestressing force stirrup is made in the head and the tail butt welding of mismatch stirrup.
It is fabricated to mismatch stirrup, being shaped like in spring washer of mismatch stirrup with the steel wire that elastic modelling quantity is big.Then will
Torsion prestressing force stirrup is made in the head and the tail butt welding successively of mismatch stirrup.Owing to the elastic modelling quantity of steel wire is relatively big, the torsion therefore made
Prestressing force stirrup the most also has elasticity, and steel wire itself has torsion prestressing force.
In step S303, intercept the straight muscle of prestressing force, torsion prestressing force stirrup is banded on the straight muscle of prestressing force by tied silk.
Reversing prestressing force stirrup and have the torsion prestress force in steel wire circumference, the stretching simultaneously also having on axially in advance should
Power, therefore twisting resistance stirrup makes the prestress square on precast reinforced assembly to more.
In step s 304, the precast reinforced assembly tying up described torsion prestressing force stirrup is placed in described concrete
In mould, steel pipe or concrete component prestress hole.
In step S305, muscle straight to described prestressing force from described concrete formation mould, steel pipe or concrete component
Apply stretching and reverse dual prestressing force.
In step S304 and S305 basically identical with the step of embodiment two, embodiment three and embodiment four, steel will be utilized
After the torsion prestressing force stirrup that silk is made is fixed on the straight muscle of prestressing force, it is placed on concrete formation mould, steel pipe or coagulation
In the prestress hole of soil component.Then apply to draw at the outer muscle straight to prestressing force of concrete formation mould, steel pipe or concrete component
Stretch and reverse dual prestressing force.Subsequent forming curing step, with embodiment one, does not repeats them here.
Embodiment five
See Fig. 5, for the manufacture method of the dual prestressed reinforced concrete of another tension-torsion that the embodiment of the present invention provides.
In step S401, prepare to be shorter in length than the tension type helical spring of described casting mold.
Precast reinforced assembly in the embodiment of the present invention is set to tension type helical spring, and tension type helical spring is at axle
To, radially and circumferentially on be respectively provided with prestressing force, accordingly it is also possible to play multiple prestressed effect in concrete segment.
The length of tension type helical spring is smaller than casting mold, such guarantee be stretched in casting mold with
The length of casting mold coupling.
In step S402, tension type helical spring is placed in concrete formation mould, steel pipe or concrete component and in advance should
In power hole.
Tension type helical spring is placed in concrete formation mould, steel pipe or concrete component prestress hole, mixed
Can place multiple tension type helical spring in solidifying earth forming mould, and transverse and longitudinal is arranged in a crossed manner, same can also set in steel pipe
Put multiple tension type helical spring.
In step S403, stretch tension type helical spring from concrete formation mould, steel pipe or concrete component two ends
And fix the two ends of tension type helical spring.
From concrete formation mould, steel pipe or concrete component, stretch out the two ends of described tension type helical spring
And fix, make tension type helical spring be in extended state.Then pre-to concrete formation mould, steel pipe or concrete component
Stress hole pours into concrete compaction molding, maintenance 7-14 days, after concrete reaches more than the 90% of final strength, sheds and execute
It is added on the external force on tension type helical spring.
From above-described embodiment, the manufacture method of the dual prestressed reinforced concrete of tension-torsion disclosed in the embodiment of the present invention
In, precast reinforced assembly has the function being stretched and reversing, after being placed in casting mold by precast reinforced assembly, to prefabricated
The straight muscle of prestressing force in concrete-bar component applies stretching and reverses prestressing force, meanwhile, has at precast reinforced assembly and also includes reversing in advance
Stress stirrup, reverses prestressing force stirrup and has twisting resistance, can also have stretching prestressing force, therefore, precast reinforced assembly simultaneously
Having given full play to the effect of the straight muscle of prestressing force, the armored concrete produced has axially, pre-radially and in steel wire circumference should
Power, thus increase the intensity of armored concrete.
Those skilled in the art are considering description and are putting into practice here after disclosure of the invention, will readily occur to its of the present invention
Its embodiment.The application is intended to any modification, purposes or the adaptations of the present invention, these modification, purposes or
Person's adaptations is followed the general principle of the present invention and includes the undocumented common knowledge in the art of the present invention
Or conventional techniques means.Description and embodiments is considered only as exemplary, and true scope and spirit of the invention are by following
Claim is pointed out.
It should be appreciated that the invention is not limited in manufacture method described above and illustrated in the accompanying drawings, and
And various modifications and changes can carried out without departing from the scope.The scope of the present invention is only limited by appended claim.
Claims (9)
1. the manufacture method of the dual prestressed reinforced concrete of tension-torsion, it is characterised in that including:
Prepare precast reinforced assembly；
Described precast reinforced assembly is placed in casting mold, and applies the dual prestressing force of tension-torsion；
Closely knit molding after pouring into concrete in described casting mold, maintenance 7-14 days；
After concrete reaches more than the 90% of final strength, shed the external force put on described precast reinforced assembly.
The manufacture method of the dual prestressed reinforced concrete of tension-torsion the most according to claim 1, it is characterised in that described standard
Standby precast reinforced assembly, including:
Intercepted length is longer than the straight muscle of prestressing force of described casting mold.
The manufacture method of the dual prestressed reinforced concrete of tension-torsion the most according to claim 2, it is characterised in that described in water
Injection molding tool includes concrete formation mould, steel pipe or concrete component prestress hole；
Described described precast reinforced assembly is placed in casting mold, and applies the dual prestressing force of tension-torsion, including:
Straight for described prestressing force muscle is placed in described concrete formation mould, steel pipe or concrete component prestress hole；
From described concrete formation mould, steel pipe or concrete component, muscle straight to described prestressing force applies stretching and reverses dual
Prestressing force.
The manufacture method of the dual prestressed reinforced concrete of tension-torsion the most according to claim 1, it is characterised in that described standard
Standby precast reinforced assembly, including:
Intercept the straight muscle of regular length, described straight muscle applies reverse brake forming after prestressing force；
Torsion prestressing force stirrup is made in the straight muscle head and the tail butt welding of brake forming；
Intercepted length is longer than the straight muscle of prestressing force of described casting mold, and described torsion prestressing force stirrup is fixed on described pre-should
On the straight muscle of power.
The manufacture method of the dual prestressed reinforced concrete of tension-torsion the most according to claim 4, it is characterised in that described in water
Injection molding tool includes concrete formation mould, steel pipe or concrete component prestress hole；
Described described precast reinforced assembly is placed in casting mold, and applies the dual prestressing force of tension-torsion, including:
Described precast reinforced assembly is placed in described concrete formation mould, steel pipe or concrete component prestress hole；
From described concrete formation mould, steel pipe or concrete component, the straight muscle of prestressing force in described prestressing force assembly is applied
Stretch or reverse dual prestressing force.
The manufacture method of the dual prestressed reinforced concrete of tension-torsion the most according to claim 1, it is characterised in that described standard
Standby precast reinforced assembly, including:
Steel wire big for elastic modelling quantity is made mismatch stirrup；
Torsion prestressing force stirrup is made in the head and the tail butt welding of described mismatch stirrup；
Intercept the straight muscle of prestressing force, described torsion prestressing force stirrup is banded on the straight muscle of described prestressing force by tied silk.
The manufacture method of the dual prestressed reinforced concrete of tension-torsion the most according to claim 6, it is characterised in that described in water
Injection molding tool includes concrete formation mould, steel pipe or concrete component prestress hole；
Described described precast reinforced assembly is placed in casting mold, and applies the dual prestressing force of tension-torsion, including:
The precast reinforced assembly tying up described torsion prestressing force stirrup is placed in described concrete formation mould, steel pipe or coagulation
In soil component prestress hole；
From described concrete formation mould, steel pipe or concrete component, muscle straight to described prestressing force applies stretching and reverses dual
Prestressing force.
The manufacture method of the dual prestressed reinforced concrete of tension-torsion the most according to claim 1, it is characterised in that described standard
Standby precast reinforced assembly, including:
Prepare to be shorter in length than the tension type helical spring of described casting mold.
The manufacture method of the dual prestressed reinforced concrete of tension-torsion the most according to claim 8, it is characterised in that described in water
Injection molding tool includes concrete formation mould, steel pipe or concrete component prestress hole；
Described described precast reinforced assembly is placed in casting mold, and applies the dual prestressing force of tension-torsion, including:
Described tension type helical spring is placed in described concrete formation mould, steel pipe or concrete component prestress hole；
Stretch described tension type helical spring from described concrete formation mould, steel pipe or concrete component two ends and fix described
The two ends of tension type helical spring.
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|---|---|---|---|---|
| GB2197006A (en) * | 1986-10-27 | 1988-05-11 | Helix Reinforcements | Reinforcement member for concrete or plastics |
| CN1526047A (en) * | 2001-02-21 | 2004-09-01 | 西卡瑞士股份公司 | Reinforcing bar and method for the production thereof |
| CN1380171A (en) * | 2001-04-13 | 2002-11-20 | 衡水泰昌预应力有限公司 | Large-aperture prestressed concrete pipe and its preparation process |
| JP2003293379A (en) * | 2002-03-29 | 2003-10-15 | Daiwa House Ind Co Ltd | Crack preventive structure of base concrete in vicinity of anchor |
| CN1837665A (en) * | 2005-03-25 | 2006-09-27 | 衡水长江预应力有限公司 | Pressure-resistant culvert pipe with small section and circumferential stress and preparation process thereof |
| CN103255835A (en) * | 2012-10-23 | 2013-08-21 | 叶治豪 | Quake-proof energy-saving concrete structure |
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| CN106113253B (en) | 2019-07-26 |
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