CN108193773A - A kind of steel-shelled reinforced concrete structural member and preparation method thereof - Google Patents
A kind of steel-shelled reinforced concrete structural member and preparation method thereof Download PDFInfo
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- CN108193773A CN108193773A CN201810006045.8A CN201810006045A CN108193773A CN 108193773 A CN108193773 A CN 108193773A CN 201810006045 A CN201810006045 A CN 201810006045A CN 108193773 A CN108193773 A CN 108193773A
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- hollow housing
- reinforcing bar
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
- E04G21/121—Construction of stressing jacks
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- Structural Engineering (AREA)
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- Mechanical Engineering (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Abstract
The invention discloses a kind of steel-shelled reinforced concrete structural members and preparation method thereof, belong to reinforced concrete structure field, solve the problems, such as that structural member is also easy to produce crack, its key points of the technical solution are that the hollow housing including steel, it is offered on the hollow housing and pours mouth, the hollow housing is equipped with the cover board for opening and closing and pouring mouth, concrete has been poured in the hollow housing, several reinforcing bars are equipped on the hollow housing, the both ends of the reinforcing bar pass through the side wall of hollow housing and are connected with the side wall of hollow housing in sliding, the present invention is rational in infrastructure, using prestressing force with offset or reduce external load generation tensile stress, so as to achieve the purpose that make structural member not generate crack in the condition of normal use or split than later.
Description
Technical field
The present invention relates to a kind of reinforced concrete structure, more specifically, it relates to a kind of box hat reinforced concrete structure
Part and preparation method thereof.
Background technology
Reinforced concrete structure refers to the structure made of the concrete enhanced equipped with reinforcing bar, and pulling force is born using reinforcing bar,
Concrete bearing compressive force has many advantages, such as that firm, durable, fire protecting performance is good, saves steel and at low cost than steel construction.
At present, notification number is that the Chinese invention patent of CN102140822A discloses a kind of box hat reinforced concrete structure
Part, including having the structure there are two corresponding joint face, hollow housing of the structure for steel, the hollow housing
The wall thickness of thickness or casting is about 5 ~ 100mm, pours armored concrete in the hollow housing, the hollow housing by side plate and
Connecting cover plate is formed, and at least one connecting cover plate, which is equipped with, pours mouth, and the connecting cover plate, which is equipped with to open and close, pours mouth
Cover board is filled, the inner surface of the hollow housing welds or be cast with laterally thorn shape rib.Meet the intensity requirement of machine-building, and transport
Defeated weight saving reduces transportation cost, shortens the period of processing, manufacture and assembling.
But in above-mentioned technical proposal, reinforcing bar is placed in hollow housing that reinforcing bar can not be applied and draws during because of pouring reinforcement concrete
Power so as to apply prestressing force to structural member, causes structural member to be also easy to produce crack.
Therefore it needs to propose a kind of new technical solution to solve the above problems.
Invention content
In view of the deficienciess of the prior art, the invention reside in a kind of steel-shelled reinforced concrete structural member is provided, using pre-
Stress makes structural member not generate in the condition of normal use to offset or reduce the tensile stress of external load generation so as to reach
Crack is split than later purpose.
To achieve the above object, the present invention provides following technical solutions：A kind of steel-shelled reinforced concrete structural member, including
The hollow housing of steel offers on the hollow housing and pours mouth, and the hollow housing is equipped with the cover board for opening and closing and pouring mouth,
Concrete has been poured in the hollow housing, has been equipped with several reinforcing bars on the hollow housing, during the both ends of the reinforcing bar pass through
The side wall of empty capsid is simultaneously connected with the side wall of hollow housing in sliding.
By using above-mentioned technical proposal, when construction, tenses reinforcing bar to both sides, and coagulation is then poured into hollow housing
Soil then when concrete curing reaches 75% not less than concrete design strength value, no longer applies pulling force, reinforcing bar to reinforcing bar
The trend shunk is generated, by means of the bonding of concrete and rebar, to the prestressing force that concrete application inwardly compresses, works as structural member
When being acted on by external load, using prestressing force to offset or reduce the tensile stress of external load generation, make structural member in normal use
In the case of do not generate crack or split than later.
The present invention is further arranged to：The hollow housing offers the relief hole passed through for reinforcing bar, the relief hole
Diameter is more than the diameter of reinforcing bar, and wooden sleeve is arranged on the reinforcing bar, and the wood sleeve coordinates with reinforcing bar in transition, the wood set
Cylinder coordinates with relief hole transition.
By using above-mentioned technical proposal, the gap between relief hole inner wall and reinforcing bar outer wall is closed using wooden sleeve, is poured
When building concrete, reduce gap of the not solidified concrete between relief hole inner wall and reinforcing bar outer wall and leak out, prevent concrete
Reinforcing bar and relief hole inner wall are bonded so as to influence prestressed, reinforced application.
The present invention is further arranged to：Film is equipped on the wood sleeve lining and outer wall.
By using above-mentioned technical proposal, when concrete is by wooden sleeve and relief hole inner wall bonding or wooden sleeve and reinforcing bar
When bonding, make concrete binding on film, concrete being further prevented to bond reinforcing bar and relief hole inner wall so as to influence steel
Rib prestressed application.
The present invention is further arranged to：The hollow housing is equipped with supporting rod, the supporting rod and parallel reinforced steel bar, described
The both ends of supporting rod are fixedly connected with several supports and divide bar, and the support divides the one end of bar far from supporting rod to be placed on reinforcing bar,
Reaction force during prestressing force tension is born using the supporting rod.
By using above-mentioned technical proposal, reaction force during prestressing force tension is born using supporting rod, do not need to by
Pedestal, reaction force when will not be by prestressing force tension are applied on hollow housing and lead to housing distortion.
The present invention is further arranged to：The support divides bar to be equipped with taper hole, the one end of the taper hole far from hollow housing
It is more than the internal diameter of its one end close to hollow housing for internal diameter, being slidably connected in the taper hole, there are two confinement block, the limitations
The outer wall of block is in the arc that be adapted to taper hole, the inner wall of the confinement block in the cambered surface being adapted to reinforcing bar, the confinement block it is interior
The radian of wall is less than π, is tensed reinforcing bar using the confinement block.
Using pretensioned prestressing, pedestal can be generally used, it is complicated for operation inconvenient to use, by using above-mentioned technical side
Case is not needed to using pedestal, is slided under the action of frictional force to confinement block to the larger one end of taper hole internal diameter when pulling reinforcing bar,
So as to which the pressure that two confinement blocks is made to be no longer influenced by taper hole inner wall does not compress reinforcing bar, allow relatively restricted piece of slip of reinforcing bar；When
Confinement block slides under the action of frictional force to the smaller one end of taper hole internal diameter when reinforcing bar loosens after tensing, so as to make two limitations
Block is contacted on taper hole inner wall, and taper hole inner wall applies pressure to confinement block, and then by steel bar clamping.
The present invention is further arranged to：The one end of the taper hole far from hollow housing is equipped with what is extended to taper hole central axis
Flange, the internal diameter of the flange are more than the diameter of reinforcing bar and less than the diameter of confinement block large end face.
By using above-mentioned technical proposal, confinement block is limited using flange, prevent pull reinforcing bar when confinement block from
It is skidded off in taper hole.
The present invention is further arranged to：The through-hole with parallel reinforced steel bar is offered on the hollow housing, the through-hole runs through
The both ends of hollow housing, the supporting rod are placed through in through-hole.
In tension reinforcing bar, supporting rod is under pressure, and after tension, supporting rod has the tendency that diastole, concrete with
Supporting rod can apply concrete to pulling force after bonding, and a part of prestressing force can be offset, so as to influence prestressed crack resistence
Effect, by using above-mentioned technical proposal, it is therefore prevented that concrete and supporting rod bond, when supporting rod diastole will not offset it is pre- should
Power.
The present invention is further arranged to：It is poured in the through-hole and is inoculated with concrete.
By using above-mentioned technical proposal, it is fixedly connected using concrete enclosing through-hole, and by supporting rod with hollow housing,
Further increase the structural strength of structural member.
The present invention is further arranged to：The supporting rod both ends are concordant with hollow housing side wall, and the supporting rod both ends are inserted
Support plate is connected to, the support divides in the circumferentially fixed connection support plate of bar, and the support, which divides between bar and hollow housing side wall, to be stayed
There is gap.
By using above-mentioned technical proposal, support plate can be dismantled, reduced follow-up after prestress application being worked as
Installation interference.
The present invention second is designed to provide a kind of production method, and peace looks for this method that a kind of feelings of normal use can be made
Crack is not generated under condition or splits than later steel-shelled reinforced concrete structural member.
To achieve the above object, the present invention provides following technical solutions：A kind of box hat reinforcing bar as claimed in claim
The production method of concrete structure, this method comprises the following steps：Step S1, tension：Branch is contacted at using hydraulic jack
On support plate, then hold reinforcing bar and the pulling force far from hollow housing is applied to reinforcing bar；Step S2, it pours：By concrete by pouring
Mouth is built to pour into hollow housing；Step S3, it vibrates：It is vibrated using poker vibrator to concrete, the position vibrated
Uniformly；Step S4, it is secondary to pour：When the concrete curing in hollow housing reaches 50% not less than concrete design strength value
When, the casting concrete into through-hole；Step S5, apply prestressing force：When the concrete curing in hollow housing reaches not less than mixed
Solidifying soil design strength value 75% when, divide the gap between bar and hollow housing side wall by bar cutting by support, will support point
Bar is removed, and is then fixed supporting rod by mounting hole；Step S6, secondary condensation：The concrete in through-hole is waited for condense completely.
By using above-mentioned technical proposal, reaction force during tension reinforcing bar is born first with supporting rod, prevents box hat from becoming
Shape, then when concrete curing reaches the 50% of concrete design strength value, the casting concrete into through-hole works as hollow housing
Interior concrete curing cuts off reinforcing bar when reaching 75% not less than concrete design strength value, and the concrete in through-hole is supported at this time
Shield reaches 25% not less than concrete design strength value, makes the concrete in through-hole that can open the effect of support supporting rod,
It will not be bonded again with supporting rod, so as to which supporting rod does not apply tensile stress to concrete；Branch can also be utilized in structural member use
Strut overcomes the pulling force that coagulation is born.
In conclusion the invention has the advantages that：Prestressing force is applied to structural member, makes structure in normal use
In the case of do not generate crack or split than later；Reaction force during prestressing force tension is born using supporting rod, is prevented hollow
Housing distortion；Easily manufactured, connection structure is stablized.
Description of the drawings
Fig. 1 is the stereogram of the present embodiment；
Fig. 2 is the sectional view that the present embodiment is used to show hollow housing internal structure；
Fig. 3 is the structure diagram that the present embodiment is used to show support construction；
Fig. 4 is the A portions enlarged drawing of Fig. 3；
Fig. 5 is the exploded perspective view that the present embodiment is used to show support construction.
Reference numeral：1st, hollow housing；11st, mouth is poured；111st, cover board；12nd, fixed ear；13rd, steel pipe；131st, through-hole；14、
Relief hole；141st, wooden sleeve；142nd, film；2nd, support construction；21st, supporting rod；211st, mounting hole；22nd, support plate；221st, it is fixed
Bar；23rd, support divides bar；231st, taper hole；24th, confinement block；25th, flange；3rd, reinforcing bar；31st, dowel；4th, concrete.
Specific embodiment
The present invention is described in further detail below in conjunction with attached drawing.
The same or similar label correspond to the same or similar components in the attached drawing of the embodiment of the present invention；In retouching for the present invention
In stating, it is to be understood that if it is based on attached drawing to have the orientation of the instructions such as term " on ", " under ", "left", "right" or position relationship
Shown orientation or position relationship, are for only for ease of the description present invention and simplify description rather than instruction or imply meaning
Device or element must have specific orientation, with specific azimuth configuration and operation, therefore position relationship described in attached drawing
Term is only for illustration, it is impossible to the limitation to this patent is interpreted as, it for the ordinary skill in the art, can
To understand the concrete meaning of above-mentioned term as the case may be.
A kind of steel-shelled reinforced concrete structural member, as shown in Figure 1, including hollow housing 1 and support construction 2, wherein hollow
Housing 1 is the cuboid of steel, and inner hollow is simultaneously poured and is inoculated with concrete 4（Referring to Fig. 2）, side along its length on hollow housing 1
To the shortcomings that wearing there are four reinforcing bar 3, overcome 4 tensile property of concrete poor using reinforcing bar 3；During to 3 tensioning of reinforcing bar, by hydraulic pressure thousand
Jin top is contacted in support construction 2, bears reaction force during prestressing force tension；Hydraulic jack is removed, reinforcing bar 3 generates contraction
Trend, by means of the bonding of concrete 4 and reinforcing bar 3, the prestressing force inwardly compressed is applied to concrete 4, when structural member by
When external load acts on, using prestressing force to offset or reduce the tensile stress of external load generation, make structural member in the feelings of normal use
Crack is not generated under condition or splits than later.The top position of the both ends side wall of hollow housing 1 along its length is fixed to be connected
It is connected to fixed ear 12, hollow housing 1 is fixedly connected with that there are two fixed ear 12, fixed ears 12 on the side wall of both sides in the width direction
It is placed in concrete 4 across 1 side wall of hollow housing.
As shown in Fig. 2, dowel 31 is welded between two neighboring reinforcing bar 3, along the length direction of reinforcing bar 3 every one
End distance is equipped with dowel 31, sidewalls flex from 31 centre position of dowel to hollow housing 1 and welded with the inner wall of hollow housing 1
It connects, reinforcing bar 3 and dowel 31 is fixedly connected in hollow housing 1.The parallel steel pipe with reinforcing bar 3 is equipped among hollow housing 1
13,13 both ends of steel pipe form one through the logical of hollow housing 1 in the end face sidewall weld of hollow housing 1 using steel pipe 13
Hole 131.Strip is offered on 1 upper end end face of hollow housing pours mouth 11, during concrete 4 will be poured by pouring mouth 11
In empty capsid 1,1 upper end of hollow housing is equipped with the cover board 111 for opening and closing and pouring mouth 11, can weld cover board 111 after the completion of pouring
It is connected on hollow housing 1.
As shown in figure 4, the both ends of reinforcing bar 3 pass through the end face side wall of hollow housing 1（Referring to Fig. 3）, the both ends of hollow housing 1
The relief hole 14 passed through for reinforcing bar 3 is offered on side wall, wooden sleeve 141, wooden sleeve 141 and 3 transition of reinforcing bar are arranged on reinforcing bar 3
Cooperation, wooden sleeve 141 coordinate with 14 transition of relief hole, and film 142 is equipped on wooden 141 inner and outer wall of sleeve, are covered using wood
Cylinder 141 and film 142 prevent concrete 4 from bonding 14 inner wall of relief hole and 13 outer wall of steel pipe, prestressed so as to influence reinforcing bar 3
Apply.
As shown in figure 5, support construction 2（Referring to Fig. 3）Including supporting rod 21 and support plate 22, supporting rod 21 is placed through through-hole
131（Referring to Fig. 2）In, it is poured in through-hole 131 and is inoculated with concrete 4（Referring to Fig. 2）, supporting rod 21 is fixedly connected with hollow housing 1,
Further increase the structural strength of structural member.The length of supporting rod 21 is identical with the length of through-hole 131, and 21 both ends of supporting rod are equal
Offer mounting hole 211.It is fixedly connected with the fixing axle 221 being adapted to mounting hole 211 in support plate 22, it is circumferential in support plate 22
It is fixedly connected with support and divides bar 23, when fixing axle 221 is placed through in mounting hole 211, support divides the end of bar 23 and hollow housing 1
There are gaps between the wall of surface side.Support divides the one end of bar 23 far from support plate 22 to offer taper hole 231.
As shown in figure 4, the internal diameter of the one end of taper hole 231 far from hollow housing 1 is more than its one end close to hollow housing 1
Internal diameter is slidably connected in taper hole 231 there are two confinement block 24, and the outer wall of confinement block 24 is in arc be adapted to taper hole 231, is limited
The inner wall of block 24 is in the cambered surface being adapted to reinforcing bar 3, and the radian of the inner and outer wall of confinement block 24 is respectively less than π.During tension reinforcing steel bar 3,
Confinement block 24 is slided to the larger one end of 231 internal diameter of taper hole under the action of frictional force, and two confinement blocks 24 is made to be no longer influenced by cone
The pressure of 231 inner wall of hole allows 3 relatively restricted pieces 24 slips of reinforcing bar without compressing reinforcing bar 3；When loosening after the tension of reinforcing bar 3
Confinement block 24 slides under the action of frictional force to the smaller one end of 231 internal diameter of taper hole, so as to contact at two confinement blocks 24
On 231 inner wall of taper hole, 231 inner wall of taper hole applies pressure to confinement block 24, and then reinforcing bar 3 is clamped.Taper hole 231 is far from hollow shell
The threaded one end of body 1 is connected with the flange 25 of annular, and the internal diameter of flange 25 is more than the diameter of reinforcing bar 3 and is less than confinement block 24 greatly
The diameter of end face limits confinement block 24 using flange 25, and confinement block 24 is sliding from taper hole 231 when preventing from pulling reinforcing bar 3
Go out.
The production method of above-mentioned steel-shelled reinforced concrete structural member：The making side includes the following steps：Step S1, tension：
It is contacted at using hydraulic jack in the support plate 22 in left side, then holds reinforcing bar 3 from left end, pulling force is applied to reinforcing bar 3, is being rubbed
Confinement block 24 under the action of wiping power to the left is slided to the larger one end of 231 internal diameter of taper hole, so as to make two confinement blocks 24 not
Again by the pressure of 231 inner wall of taper hole without compressing reinforcing bar 3, allow 3 relatively restricted pieces 24 slips of reinforcing bar, 3 right end of reinforcing bar has
The trend slided to hollow housing 1, so as to which confinement block 24 is slided under the action of frictional force to the smaller one end of 231 internal diameter of taper hole
It is dynamic, so as to which 3 right end of reinforcing bar be fixedly clamped；Then hydraulic jack is made no longer to apply pulling force to the left end of reinforcing bar 3, reinforcing bar 3 returns
Contracting drives the confinement block 24 in left side to be slided to the smaller one end of 231 internal diameter of taper hole, so as to which 3 left end of reinforcing bar be also fixedly clamped.
Step S2, it pours：Concrete 4 is poured by pouring mouth 11 into hollow housing 1,4 slurries of concrete when pouring
Pouring slowly at the uniform velocity is needed, avoids generating aeration structural strength.
Step S3, it vibrates：It is vibrated using poker vibrator by pouring 11 pairs of concrete 4 of mouth, the position vibrated
Uniformly, 4 slurries of concrete is further made to be uniformly distributed, and be further reduced aeration, improve the structural strength of structural member.
Step S4, it is secondary to pour：When the maintenance of concrete 4 in hollow housing 1 reaches not less than 4 design strength value of concrete
50% when, the casting concrete 4 into through-hole 131 can be blocked through-hole 131 using stopper, avoid 4 slurries of concrete flow out.
Step S5, apply prestressing force：When the maintenance of concrete 4 in hollow housing 1 reaches not less than 4 design strength of concrete
Value 75% when, by the way that the gap divided between 1 end face side wall of bar 23 and hollow housing is supported to cut off reinforcing bar 3, reinforcing bar 3 generates receipts
The trend of contracting by means of the bonding of concrete 4 and reinforcing bar 3, applies the prestressing force inwardly compressed to concrete 4, when structural member by
When being acted on to external load, using prestressing force to offset or reduce the tensile stress of external load generation, make structure in the feelings of normal use
Crack is not generated under condition or splits than later；The maintenance of concrete 4 in through-hole 131 reaches at this time designs not less than concrete 4
The 25% of intensity value makes the concrete 4 in through-hole 131 that can open the effect of support supporting rod 21, and will not be with supporting rod 21
It bonds, supporting rod 21 is made not apply pulling force to concrete 4；Then support plate 22 is removed, to slow down 131 inner concrete 4 of through-hole
The phenomenon that condensation is unevenly distributed generation internal stress, supporting rod 21 is fixed by mounting hole 211, reduce supporting rod 21 to logical
The pressure of 131 inner concrete 4 of hole, cover board 111 is welded on hollow housing 1.
Step S6, secondary condensation：The concrete 4 in through-hole 131 is waited for condense completely.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, people in the art
Member can as needed make the present embodiment the modification of no creative contribution after this specification is read, but as long as at this
It is all protected in the right of invention by Patent Law.
Claims (10)
1. a kind of steel-shelled reinforced concrete structural member, the hollow housing including steel（1）, the hollow housing（1）On offer
Pour mouth（11）, the hollow housing（1）It is equipped with to open and close and pours mouth（11）Cover board（111）, the hollow housing（1）Inside pour
Concrete is built（4）, it is characterized in that：The hollow housing（1）On be equipped with several reinforcing bars（3）, the reinforcing bar（3）Both ends wear
Cross hollow housing（1）Side wall and and hollow housing（1）Side wall in sliding connect.
2. a kind of steel-shelled reinforced concrete structural member according to claim 1, it is characterized in that：The hollow housing（1）It opens
Equipped with for reinforcing bar（3）The relief hole passed through（14）, the relief hole（14）Diameter be more than reinforcing bar（3）Diameter, the reinforcing bar
（3）On be arranged with wooden sleeve（141）, the wood sleeve（141）With reinforcing bar（3）Coordinate in transition, the wood sleeve（141）With allowing
Position hole（14）Transition coordinates.
3. a kind of steel-shelled reinforced concrete structural member according to claim 2, it is characterized in that：The wood sleeve（141）It is interior
Film is equipped on wall and outer wall（142）.
4. a kind of steel-shelled reinforced concrete structural member according to claim 1, it is characterized in that：The hollow housing（1）On
Equipped with supporting rod（21）, the supporting rod（21）With reinforcing bar（3）It is parallel, the supporting rod（21）Both ends be fixedly connected with it is several
Support divides bar（23）, the support divides bar（23）Far from supporting rod（21）One end be placed on reinforcing bar（3）On, utilize the support
Bar（21）Bear reaction force during prestressing force tension.
5. a kind of steel-shelled reinforced concrete structural member according to claim 4, it is characterized in that：The support divides bar（23）On
Equipped with taper hole（231）, the taper hole（231）Far from hollow housing（1）One end for internal diameter be more than its close to hollow housing（1）'s
The internal diameter of one end, the taper hole（231）In be slidably connected there are two confinement block（24）, the confinement block（24）Outer wall be in and cone
Hole（231）The arc of adaptation, the confinement block（24）Inner wall be in and reinforcing bar（3）The cambered surface of adaptation, the confinement block（24）'s
The radian of inner wall is less than π, utilizes the confinement block（24）By reinforcing bar（3）It tenses.
6. a kind of steel-shelled reinforced concrete structural member according to claim 5, it is characterized in that：The taper hole（231）It is separate
Hollow housing（1）One end be equipped with to taper hole（231）The flange of central axis extension（25）, the flange（25）Internal diameter be more than
Reinforcing bar（3）Diameter and less than confinement block（24）The diameter of large end face.
7. a kind of steel-shelled reinforced concrete structural member according to claim 6, it is characterized in that：The hollow housing（1）On
It offers and reinforcing bar（3）Parallel through-hole（131）, the through-hole（131）Through hollow housing（1）Both ends, the supporting rod
（21）It is placed through through-hole（131）It is interior.
8. a kind of steel-shelled reinforced concrete structural member according to claim 7, it is characterized in that：The through-hole（131）In pour
It is inoculated with concrete（4）.
9. a kind of steel-shelled reinforced concrete structural member according to claim 8, it is characterized in that：The supporting rod（21）Both ends
With hollow housing（1）Side wall is concordant, the supporting rod（21）Both ends are plugged with support plate（22）, the support divides bar（23）It is circumferential
It is fixedly connected with support plate（22）On, the support divides bar（23）With hollow housing（1）There are gaps between side wall.
A kind of 10. production method of steel-shelled reinforced concrete structural member as claimed in claim 9, which is characterized in that this method
Include the following steps：Step S1, tension：Support plate is contacted at using hydraulic jack（22）On, then hold reinforcing bar（3）It is and right
Reinforcing bar（3）Apply far from hollow housing（1）Pulling force；Step S2, it pours：By concrete（4）By pouring mouth（11）To hollow
Housing（1）Interior pouring；Step S3, it vibrates：Using poker vibrator to concrete（4）It vibrates, the position vibrated is uniform；
Step S4, it is secondary to pour：Work as hollow housing（1）Interior concrete（4）Maintenance reaches not less than concrete（4）Design strength value
When 50%, to through-hole（131）Interior casting concrete（4）；Step S5, apply prestressing force：Work as hollow housing（1）Interior concrete（4）
Maintenance reaches not less than concrete（4）Design strength value 75% when, by support divide bar（23）And hollow housing（1）Side wall it
Between gap by reinforcing bar（3）Cut-out, divides support to bar（23）It removes, then passes through mounting hole（211）By supporting rod（21）It is fixed；
Step S6, secondary condensation：Wait for through-hole（131）Interior concrete（4）Condensation completely.
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| CN201810006045.8A CN108193773B (en) | 2018-01-03 | 2018-01-03 | A kind of steel-shelled reinforced concrete structural member and preparation method thereof |
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| CN2801934Y (en) * | 2005-06-22 | 2006-08-02 | 上海市城市建设设计研究院 | Steel pipe concrete stiffened structure |
| CN201043299Y (en) * | 2007-06-01 | 2008-04-02 | 官锦禄 | Reinforced concrete structure |
| CN201202176Y (en) * | 2008-04-16 | 2009-03-04 | 官锦禄 | Shockproof steel reinforced concrete structure |
| CN201214758Y (en) * | 2008-06-10 | 2009-04-01 | 沧州路桥工程公司 | Tie-rod arch bridge abutment template |
| CN102140822A (en) * | 2010-01-28 | 2011-08-03 | 颜永年 | Steel-shelled reinforced concrete structural member |
| CN101906776A (en) * | 2010-07-07 | 2010-12-08 | 东南大学 | Major-diameter prestressed concrete pipe pile of glass steel pipe die and preparation method thereof |
| CN102371624A (en) * | 2011-08-15 | 2012-03-14 | 中铁大桥局集团第六工程有限公司 | Method for tensioning pre-stressed reinforcement of ballast-less transition sleeper of ballast-less track |
| FR3011565A1 (en) * | 2013-10-08 | 2015-04-10 | Conseil Service Investissements | PRECONTRATED MORTAR TERRACE BLADE, METHOD OF MANUFACTURING SUCH BLADE, MOLD FOR MANUFACTURING SUCH BLADE |
| CN206828967U (en) * | 2017-03-30 | 2018-01-02 | 中铁六局集团有限公司 | The longitudinal prestressing tensioning equipment of railway engineering continuous beam |
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| CN108193773B (en) | 2019-09-06 |
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Denomination of invention: A steel shell reinforced concrete structural component and its manufacturing method Effective date of registration: 20230512 Granted publication date: 20190906 Pledgee: Ounan sub branch of Zhejiang Pingyang Rural Commercial Bank Co.,Ltd. Pledgor: C-KIS CONSTRUCTION Co.,Ltd. Registration number: Y2023330000887 |
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