CN208235804U - The grout sleeve structure of prefabricated shearing wall member - Google Patents
The grout sleeve structure of prefabricated shearing wall member Download PDFInfo
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- CN208235804U CN208235804U CN201820317021.XU CN201820317021U CN208235804U CN 208235804 U CN208235804 U CN 208235804U CN 201820317021 U CN201820317021 U CN 201820317021U CN 208235804 U CN208235804 U CN 208235804U
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Abstract
The utility model belongs to the technical field of structural elements in building, and in particular to a kind of grout sleeve structure of prefabricated shearing wall member, including vertical grout sleeve, the grout sleeve is in hollow cylindrical structure；Several prestressing force annular protrusions are equipped with along its axially spaced-apart on the inner wall of the grout sleeve, the cross-sectional area of the prestressing force annular protrusion towards the vertical middle part one end of grout sleeve is greater than its cross-sectional area far from the vertical middle part one end of grout sleeve.The grout sleeve of the utility model can effectively realize that the reinforcing bar between precast shear wall component connects, and grout sleeve inner wall can be made by the tensile stress towards both ends after assembly grouting, the reinforcing bar at its internal both ends is by opposite tensile stress, closer to the prestressing force requirement of design, the bonding strength and stress performance for improving reinforcing bar, improve the shock resistance of building entirety.
Description
Technical field
The utility model belongs to the technical field of structural elements in building, and in particular to a kind of prefabricated shear wall
The grout sleeve structure of component.
Background technique
In recent years, under the context request for advocating green energy conservation energetically, building trade starts to put forth effort to promote assembled architecture,
Architectural industrialization, standardization are promoted, corresponding specification strives the accounting for continuing to be promoted national assembled architecture also in gradual perfection
It continuouslys optimize.Assembled architecture is the change of mode of construction and the revolution of production method, the production of prefabricated member and dress
It is also reaching its maturity with construction technology.Wherein, the reinforcing bar connection of precast shear wall component is most commonly that grout sleeve and slurry anchor
The grout sleeve that one end is plugged with reinforcing bar, is first embedded in precast shear wall component by overlap joint, then by the precast shear wall component
It lifts and is assembled in fixed buildings, the pre-buried wall for extending fixed buildings upper surface is made to indulge the another of muscle insertion grout sleeve
One end, then grouting material is filled in grout sleeve to realize being fixedly connected for two end bars in grout sleeve.Currently, in order to enhance
The bonding strength and stress performance of grout sleeve and precast shear wall component, are usually arranged fin on the inside and outside wall of grout sleeve
Or make the inside and outside wall surface of grout sleeve in the corrugated shape (such as CN106812258A) to rise and fall, but this is easy to influence filling process
The flowing of middle grouting material easily causes grouting not full in the two sides of fin, and main is not to grout sleeve and its internal both ends
The stress of reinforcing bar is analyzed, and fails to reach grout sleeve inner wall by the tensile stress towards both ends, internal two end bars by
To the more preferably effect of opposite tensile stress.Meanwhile in order to which the sealing of grouting material in grout sleeve needs, the both ends of grout sleeve are solid
It is connected with sealing cover, and the through-hole on sealing cover is suitable with the vertical diameter of muscle of pre-buried wall, in hoisting prefabricated shearing wall member and will filled
Slurry sleeve is inserted in reserved wall when indulging muscle, and docking difficulty is big, and lifting assembling process is difficult, influences construction speed, once to not receiving
Position can also bend or damage reserved wall and indulge muscle, cause to do over again.
Summary of the invention
For the above-mentioned deficiency of the prior art, the technical problem to be solved by the present invention is to provide a kind of prefabricated
The grout sleeve structure for shearing wall member, avoid only realizing the connection of reinforcing bar by grout sleeve but not make grout sleeve and its
Grout sleeve is more preferably inserted in the assembling process that reserved wall indulges muscle in problem and hoisting process by the prestressing force of internal two end bars
Difficult problem, acquirement can make prestressing force suffered by grout sleeve and its internal two end bars closer to design requirement, assembly installation
Convenient effect.
In order to solve the above technical problems, the utility model adopts the following technical solution:
The grout sleeve structure of prefabricated shearing wall member, including vertical grout sleeve, the grout sleeve is in
Hollow cylindrical structure；Several prestressing force annular protrusions are equipped with along its axially spaced-apart on the inner wall of the grout sleeve, it is described
The cross-sectional area of prestressing force annular protrusion towards the vertical middle part one end of grout sleeve be greater than its far from grout sleeve it is vertical in
The cross-sectional area of portion one end.
By the way that the grout sleeve of the utility model is embedded in precast shear wall component, it can be achieved that precast shear wall component
Between reinforcing bar connection, grout sleeve is covered can increase what reinforcing bar between precast shear wall component connected outside two reinforcing bar interconnecting pieces
Intensity；Prestressing force needed for reinforcing bar of the prestressing force annular protrusion for upper and lower side in assembly post-grouting sleeve on grout sleeve inner wall
Direction is different, sets symmetrical structure form, each prestressing force for the prestressing force annular protrusion of grout sleeve inner wall two sections
The cross-sectional area of annular protrusion is in the form of the middle part vertical towards grout sleeve is gradually increased, in this way, upper and lower prefabricated shearing
Wall member assembly after, fill grouting material when, grouting material in grout sleeve flowing sliding trend make grout sleeve inner wall by
Towards the tensile stress at both ends, simultaneously because reaction, the reinforcing bar at internal both ends is by opposite tensile stress, closer to design
Prestressing force requirement, can be improved the bonding strength and stress performance of reinforcing bar, improve the shock resistance of building entirety.
Above-mentioned technical proposal is advanced optimized, the vertical cross-section of the prestressing force annular protrusion is right angled triangle.
In this way, regular shape, convenient for machine plus or the grout sleeves of the processing methods such as casting be manufactured, reduce manufacture at
This；Fin relative to conventional rectangular reduces material utilization amount, reduces material cost, and the protrusion of right angled triangle is one
Determine the mobile performance for improving grouting material in filling process in degree, keeps the grouting material of bevel edge side more full closely knit.
Further, slurry outlet is offered on the side wall of grout sleeve upper end, is offered on the side wall of grout sleeve lower end
With the slurry outlet towards identical grout hole, the axis horizontal of the slurry outlet and grout hole and it is parallel to each other.
In this way, facilitating the implementation of filling process, grout hole is located at lower end, and grouting material flows from bottom to top, grouting power and
It can avoid internal come to nothing under the action of grouting material pressure itself；Slurry outlet and grout hole facilitate grouting, receive slurry towards same direction
The operation of process also facilitates the production of the mold of precast shear wall component when processing and is pre-buried of grout sleeve.
Further, several reinforcing annular protrusions are equipped with along its axially spaced-apart on the outer wall of the grout sleeve, it is described to add
Gu the cross-sectional area of annular protrusion one end downward is greater than the cross-sectional area of its one end upward.
In this way, improving the bonding strength and anti-pull-out property of grout sleeve outer wall and precast shear wall component, each reinforcing ring
The cross-sectional area of shape protrusion can reduce material utilization amount to the greatest extent under the premise of guaranteeing its function in the form of being gradually increased downward.
Further, the upper and lower ends of the grout sleeve are connected separately with top cover labyrinth and lower sealing cover.
In this way, realizing the sealing function of grout sleeve, guarantee the saturation compactness of grouting material.
Further, the lower surface of the top cover labyrinth and the upper surface of grout sleeve abut against, the top cover labyrinth
Lower surface be equipped with dome, the shape of the dome and the inner wall of grout sleeve it is corresponding and with grout sleeve inner wall interference fit company
It connects；The top cover labyrinth is equipped with vertical through-hole, and the through-hole is with grout sleeve coaxially to guarantee the pre- of precast shear wall component
It buries inside the upper end of the pluggable grout sleeve of reinforcing bar and coaxial with grout sleeve.
In this way, direction of the top cover labyrinth of grout sleeve by concrete slurry extruding force when meeting pre-buried, guarantees that top cover labyrinth exists
Sealing function is played when pre-buried and will not be fallen into grout sleeve.
Further, the upper surface of the lower sealing cover and the lower surface of grout sleeve abut against, the lower sealing cover
Upper surface be equipped with dome, the shape of the dome and the inner wall of grout sleeve it is corresponding and with grout sleeve inner wall interference fit company
It connects；The lower sealing cover is equipped with vertical through-hole, the through-hole and grout sleeve another prefabricated shearing when coaxially assembling with guarantee
The reserved wall of wall member is indulged inside the lower end of the pluggable grout sleeve of muscle and coaxial with grout sleeve.
In this way, facilitating the uniformly manufactured of upper and lower sealing cover；When pre-buried, the lower surface of lower sealing cover and prefabricated shearing can be made
The reserved wall of the precast shear wall component of lower section is concordantly indulged into muscle in order to observe, facilitate in hoisting process in the lower surface of wall member
It is inserted into the grout sleeve of the precast shear wall component of lifting；In use, lower sealing cover can first be covered to the prefabricated shearing in lower section
The reserved wall of wall member is indulged on muscle, lower sealing cover is embedded in grout sleeve lower end again after lifting docking, due under grout sleeve
End opening is larger, thus makes relatively easily to operate the assembling process that grout sleeve is inserted in the vertical muscle of reserved wall in hoisting process,
It is more convenient to assemble installation process.
Further, the lower sealing cover is the two-half structure separated along the vertical plane by its axis, two half-phases
The face mutually abutted is the zigzag face being mutually twisted；The material of the lower sealing cover is vulcanie.
It indulges on muscle, makes in the reserved wall of the precast shear wall component of lower section in this way, can avoid in advance not covering lower sealing cover
At grout sleeve and reserved wall indulge muscle dock be inserted in after have to do over again the case where, keep assembling process more flexible and convenient, grouting
Sleeve is indulged with reserved wall to be engaged again by the lower sealing cover of two halves after muscle docking is inserted in and is embedded in grout sleeve lower end, and reserved wall has both been made
Vertical muscle by regulatory placed in the middle, and makes grout sleeve, reserved wall indulge mutual extrusion between muscle and lower sealing cover in grout sleeve, securely
Stablize, sealing effect is preferable；The structure of lower sealing cover and vulcanie material can guarantee sealing effect and in lower sealings simultaneously
Behind lid occlusion insertion grout sleeve lower end, the precast shear wall component of top, which continues to deform during toward decline, falls into filling
It starches in sleeve.
Compared with prior art, the utility model has the following beneficial effects:
1, the grout sleeve of the utility model can effectively realize that the reinforcing bar between precast shear wall component connects, and fill
With can make after grouting grout sleeve inner wall by the tensile stress towards both ends, the reinforcing bar at internal both ends by opposite tensile stress,
Closer to the prestressing force requirement of design, the bonding strength and stress performance of reinforcing bar are improved, improves the anti-of building entirety
Shake ability.
2, for the utility model in assembly, the docking of grout sleeve and the vertical muscle of reserved wall is convenient, seal form flexibility and reliability,
The difficulty for reducing lifting assembly, effectively avoids doing over again, and is conducive to shorten construction period.
3, the grout sleeve of the utility model is simple to manufacture, and also saves material utilization amount, the mold of precast shear wall component
The production is simple and convenient, is suitable for popularization and application.
Detailed description of the invention
Fig. 1-the utility model specific embodiment structural schematic diagram；
The bottom view of Fig. 2-Fig. 1；
Fig. 3-is embedded with the assembly connection schematic diagram of the precast shear wall component of the grout sleeve structure of embodiment；
The A-A cross-sectional view of Fig. 4-Fig. 3；
Wherein, precast shear wall component 1, via hole 11, vertical reinforcement 2, grout sleeve 3, sealing cover 31, dome 311, two halves
312, zigzag face 313, prestressing force annular protrusion 32 reinforces annular protrusion 33, slurry outlet 34, grout hole 35.
Specific embodiment
Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing.
Referring to Fig. 1, the grout sleeve structure of the prefabricated shearing wall member of the utility model specific embodiment, including it is perpendicular
Straight grout sleeve 3, the grout sleeve 3 are in hollow cylindrical structure；The upper and lower ends of grout sleeve 3 are connected separately with close
Capping 31 is equipped with several prestressing force annular protrusions 32, the prestress annular along its axially spaced-apart on the inner wall of the grout sleeve 3
The cross-sectional area of shape protrusion 32 towards the vertical middle part one end of grout sleeve 3 is greater than its middle part one vertical far from grout sleeve 3
The cross-sectional area at end is pre- needed for the reinforcing bar of upper and lower side for being inserted into grout sleeve 3 after the assembly of precast shear wall component in this way
Stress direction is different, therefore sets symmetrical structure shape for each prestressing force annular protrusion 32 of 3 inner wall two sections of grout sleeve
Formula, i.e., the cross-sectional area of each prestressing force annular protrusion 32 towards the vertical middle part of grout sleeve 3 in the form of being gradually increased；This reality
The vertical cross-section for applying the preferred prestressing force annular protrusion 32 of example is right angled triangle to facilitate manufacture；The outer wall of the grout sleeve 3
On along it be axially also equipped at intervals with several reinforcings annular protrusions 33, the cross-sectional area of the reinforcing annular protrusion 33 one end downward is big
In its upward one end cross-sectional area with improve 3 outer wall of grout sleeve and precast shear wall component bonding strength and anti-pulling
Reduce material utilization amount while performance to the greatest extent.Upper and lower surfaces of two sealing cover 31 respectively with grout sleeve 3 abut against, close
Capping 31 is equipped with the one side that grout sleeve 3 abuts against towards the dome 311 in grout sleeve 3, the outer circle of the dome 311
Diameter is corresponding with the inner wall of grout sleeve 3 and is interference fitted connection with the inner wall of grout sleeve 3, and for the benefit of deformation is to facilitate interference
The connection of cooperation and saving material utilization amount, the embodiment of the present invention dome 311 are hollow circular ring shape；Sealing cover 31 is equipped with perpendicular
To through-hole, the through-hole and grout sleeve 3 are coaxial.
Referring to Fig. 1, Fig. 2, wherein the sealing cover 31 positioned at lower end is the two halves separated along the vertical plane by its axis
312 formula structures, the face that two halves 312 mutually abut are the zigzag face 313 that is mutually twisted to guarantee sealing effect.Grout sleeve
It offers slurry outlet 34 on the side wall of 3 upper ends, is offered on the side wall of 3 lower end of grout sleeve with the slurry outlet 34 towards phase
With grout hole 35, the axis horizontal of the slurry outlet 34 and grout hole 35 and be parallel to each other, in this way, under grout hole 35 is located at
End, grouting material flows from bottom to top when grouting, can avoid internal come to nothing under the action of being in the milk power and grouting material pressure itself.
Referring to Fig. 3, Fig. 4, for the precast shear wall convenient for further understanding, to the grout sleeve structure for being embedded with embodiment
The manufacturing process and assembly connection of component are summarized as follows:
The manufacturing process of precast shear wall component 1 includes: that vertical reinforcement 2 and grout sleeve 3 are placed in precast shear wall structure
Fixed in the mold of part 1, wherein the both ends of grout sleeve 3 are connected separately with sealing cover 31, the sealing cover 31 and side mode phase of one end
It abuts so that the sealing cover 31 is concordant with the lower surface of precast shear wall component 1 after molding, while described in 31 use of sealing cover
The sealing cover 31 of 312 formula structure of two halves；Mold is extended in one end of the vertical reinforcement 2, and it is another that the other end passes through grout sleeve 3
The through-hole of the sealing cover 31 at end is simultaneously inserted into inside the end of the grout sleeve 3, and insertion depth should be slightly less than 3 length of grout sleeve
Half, the length that vertical reinforcement 2 extends mold should also be slightly less than the half of 3 length of grout sleeve, the through-hole of sealing cover 31
Diameter is corresponding with vertical reinforcement 2, can guarantee that the vertical reinforcement 2 in insertion grout sleeve 3 is coaxial with grout sleeve 3 and protects in this way
The uniform filling of grouting material when demonstrate,proving later period grouting；The slurry outlet 34 of grout sleeve 3 and grout hole 35 upward and are inserted into occupy-place axis
Body pours and consolidates the concrete slurry of production precast shear wall component 1, extracts occupy-place axis body in precast shear wall component out after initial set
Two via holes 11 being connected to respectively with the slurry outlet 34 and grout hole 35 are formed on 1, complete the production of precast shear wall component 1.
The assembly connection process of precast shear wall component 1 includes: that precast shear wall component 1 is transported to construction site and is hung
Dress is completed in the upper surface of the precast shear wall component 1 of lower section and sits pulp layer and sealing edge, and the precast shear wall component of top is sling
1, the sealing cover 31 of the 312 formula structure of two halves of its 3 lower end of grout sleeve is removed so that grout sleeve 3 is inserted in down when lifting decline
The operation on the top of the vertical reinforcement 2 of square precast shear wall component 1 is easier to implement, the grouting of hoisting prefabricated shearing wall member 1
After sleeve 3 is inserted in the vertical reinforcement 2 of lower section precast shear wall component 1, then the lower sealing cover 31 of two halves 312 is engaged and is embedded in filling
3 lower end of sleeve is starched, makes vertical reinforcement 2 in grout sleeve 3 by regulatory placed in the middle, hoisting prefabricated shearing wall member 1 continues to decline simultaneously
It is connect by sitting pulp layer with lower section precast shear wall component 1, completes lifting (at this time by dedicated support member support and holding
The state in a vertical shape of precast shear wall component 1 of side).With grouting pump by grouting material from precast shear wall component 1 with grouting mouth it is right
The via hole 11 answered injects grout sleeve 3, until grouting material is overflowed from via hole 11 corresponding with grout outlet, stops injection, blocks two
Via hole 11 completes the assembly of prefabricated shearing wall member 1；When filling grouting material, flowing of the grouting material in grout sleeve 3
Sliding trend makes 3 inner wall of grout sleeve by the tensile stress towards both ends, simultaneously because reaction, the reinforcing bar at internal both ends by
To opposite tensile stress, closer to the prestressing force requirement of design.
When implementation, further, the slurry outlet 34 and grout hole 35 may be set to be and be connected on grout sleeve 3
It the axis horizontal of pulp channel and grouting channel, the pulp channel and grouting channel and is parallel to each other and towards identical, it is described
Pulp channel and grouting channel are hollow structure and penetrate through with 3 inner cavity of grout sleeve that the pulp channel and grouting channel have
There is certain length so that one end far from grout sleeve 3 can slightly protrude from the side wall of precast shear wall component 1 after pre-buried, this
The via hole 11 on precast shear wall component 1 has just been integrated on grout sleeve 3 by sample, in production precast shear wall component 1
Shi Buzai is needed using occupy-place axis body, and manufacturing process is simpler；When implementation, further, the zigzag face 313 is also possible to
The concave-convex tooth form of horizontal direction, sealing effect is better achieved.It can should all with further improved scheme when above-mentioned implementation
It is contemplated as falling within the scope of the present invention.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this
The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model
It encloses, should all cover in the scope of the claims of the utility model.
Claims (8)
1. the grout sleeve structure of prefabricated shearing wall member, including vertical grout sleeve, during the grout sleeve is in
Empty cylindrical structure；It is characterized by: being equipped with several prestressing force annulars along its axially spaced-apart on the inner wall of the grout sleeve
Protrusion, the cross-sectional area of the prestressing force annular protrusion towards the vertical middle part one end of grout sleeve are greater than it far from grout sleeve
The cross-sectional area of vertical middle part one end.
2. the grout sleeve structure of prefabricated shearing wall member according to claim 1, it is characterised in that: described pre- to answer
The vertical cross-section of power annular protrusion is right angled triangle.
3. the grout sleeve structure of prefabricated shearing wall member according to claim 1, it is characterised in that: grout sleeve
It offers slurry outlet on the side wall of upper end, is offered on the side wall of grout sleeve lower end with the slurry outlet towards identical filling
It starches hole, the axis horizontal of the slurry outlet and grout hole and is parallel to each other.
4. the grout sleeve structure of prefabricated shearing wall member according to claim 1, it is characterised in that: the grouting
Several reinforcing annular protrusions, the cross section for reinforcing annular protrusion one end downward are equipped with along its axially spaced-apart on the outer wall of sleeve
Product is greater than the cross-sectional area of its one end upward.
5. the grout sleeve structure of prefabricated shearing wall member according to claim 1, it is characterised in that: the grouting
The upper and lower ends of sleeve are connected separately with top cover labyrinth and lower sealing cover.
6. the grout sleeve structure of prefabricated shearing wall member according to claim 5, it is characterised in that: described close
The lower surface of capping and the upper surface of grout sleeve abut against, and the lower surface of the top cover labyrinth is equipped with dome, the dome
Corresponding with the inner wall of the grout sleeve and inner wall with grout sleeve of shape is interference fitted connection；The top cover labyrinth is equipped with vertical
Through-hole, the through-hole and grout sleeve are coaxially to guarantee that the embedded bar of precast shear wall component can be inserted into the upper end of grout sleeve
It is internal and coaxial with grout sleeve.
7. the grout sleeve structure of prefabricated shearing wall member according to claim 5, it is characterised in that: close under described
The upper surface of capping and the lower surface of grout sleeve abut against, and the upper surface of the lower sealing cover is equipped with dome, the dome
Corresponding with the inner wall of the grout sleeve and inner wall with grout sleeve of shape is interference fitted connection；The lower sealing cover is equipped with vertical
The vertical muscle of the reserved wall of through-hole, the through-hole and grout sleeve another precast shear wall component when coaxially being assembled with guarantee, which can be inserted into, to be filled
It starches inside the lower end of sleeve and coaxial with grout sleeve.
8. the grout sleeve structure of prefabricated shearing wall member according to claim 6, it is characterised in that: close under described
Capping is the two-half structure separated along the vertical plane by its axis, and the face that two halves mutually abut is the sawtooth being mutually twisted
Shape face.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820317021.XU CN208235804U (en) | 2018-03-08 | 2018-03-08 | The grout sleeve structure of prefabricated shearing wall member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820317021.XU CN208235804U (en) | 2018-03-08 | 2018-03-08 | The grout sleeve structure of prefabricated shearing wall member |
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| Publication Number | Publication Date |
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| CN208235804U true CN208235804U (en) | 2018-12-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111005502A (en) * | 2019-11-25 | 2020-04-14 | 山东建筑大学 | Inner cavity convex multi-point distributed grouting sleeve and manufacturing method thereof |
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2018
- 2018-03-08 CN CN201820317021.XU patent/CN208235804U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111005502A (en) * | 2019-11-25 | 2020-04-14 | 山东建筑大学 | Inner cavity convex multi-point distributed grouting sleeve and manufacturing method thereof |
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