CN110284659A - It is a kind of for double and muscle connect can the fixed grout sleeve of self compaction - Google Patents
It is a kind of for double and muscle connect can the fixed grout sleeve of self compaction Download PDFInfo
- Publication number
- CN110284659A CN110284659A CN201910662104.1A CN201910662104A CN110284659A CN 110284659 A CN110284659 A CN 110284659A CN 201910662104 A CN201910662104 A CN 201910662104A CN 110284659 A CN110284659 A CN 110284659A
- Authority
- CN
- China
- Prior art keywords
- double
- muscle
- sleeve body
- sleeve
- wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 210000003205 muscle Anatomy 0.000 title claims abstract description 61
- 239000011440 grout Substances 0.000 title claims abstract description 23
- 238000005056 compaction Methods 0.000 title claims abstract description 18
- 238000010008 shearing Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 23
- 238000007789 sealing Methods 0.000 claims description 7
- 230000002459 sustained effect Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 229920002472 Starch Polymers 0.000 claims 1
- 235000019698 starch Nutrition 0.000 claims 1
- 239000002002 slurry Substances 0.000 description 8
- 238000010276 construction Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000008267 milk Substances 0.000 description 3
- 210000004080 milk Anatomy 0.000 description 3
- 235000013336 milk Nutrition 0.000 description 3
- 239000011150 reinforced concrete Substances 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000001464 adherent effect Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/162—Connectors or means for connecting parts for reinforcements
- E04C5/163—Connectors or means for connecting parts for reinforcements the reinforcements running in one single direction
- E04C5/165—Coaxial connection by means of sleeves
Abstract
The invention discloses it is a kind of for double and muscle connect can the fixed grout sleeve of self compaction, including having the sleeve body of grouting cavity and upper and lower ends opening；Wherein, the horizontal section of the sleeve body is in 8-shaped, is formed by two neighboring circular sleeve interconnection；The intracorporal middle part of sleeve is connect along limited block, limited block is provided in the plane perpendicular to its axis with sleeve body inner wall, so that grouting cavity is divide into upper part and lower part, injected hole is offered on one end side wall of sleeve body, the other end offers plasma discharge hole；Interval has been evenly arranged several diagonal ribs and shearing slot from top to bottom on sleeve body inner wall；When use state, upper end is double and the double simultaneously muscle of muscle and lower end stretch in sleeve body from the upper and lower ends of sleeve body respectively, double and muscle end face is contacted with limited block, circumferential to contact with diagonal rib, and then is realized by injected hole and plasma discharge hole and grouting material is perfused into grouting cavity.
Description
Technical field
The invention belongs to building structure technology fields, and in particular to it is a kind of for double and muscle connect can self compaction it is fixed
Grout sleeve.
Background technique
In reinforced concrete structures, usually single steel bar is arranged in rows.For some high-rise and super high rise structures or
Need to bear the structure compared with heavy equipment, its own quantity of reinforcement is larger, leads to that matched bar diameter is thick, spacing is small.Especially in node
Area, various reinforcing bars and anchoring crotch interlaced arrangement but will cause reinforcing bar binding to place difficult, cast-in-place concrete and be difficult to vibrate even
Reinforcing bar deviates design position a series of problems, this can undoubtedly seriously affect the construction quality of concrete structure.According to " building structure
Reliability design unified standard " GB50068-2018 requirement, the partial safety factor of load tunes up, and through structure discipline, personage calculates,
Ordinary residence reinforcing bar content will increase by 5%, and the intensive problem of reinforcing bar will be protruded more.
Sometimes to solve the difficulty that arrangement of reinforcement intensively causes design, construction, the mode of simultaneously muscle (tendon) can be used.And muscle is again
It is divided into double and muscle and three and muscle, double and muscle can be longitudinally-or laterally-disposed, and three and muscle can in a row or the mode of isosceles triangle is arranged.
In the connection that reinforced concrete structure indulges muscle, mainly there are grout sleeve, mechanical sleeves, slurry anchor to overlap three kinds at present
Type of attachment.Grout sleeve connection is divided into full grout sleeve and the connection of half grout sleeve, and grout sleeve connection is assembled coagulation
The most common connection of soil structure；Mechanical sleeves connection is divided into threaded connection and is press-connected, and one of the most common is to be threadedly coupled；
Slurry anchor overlap joint is divided into metal bellows slurry anchor overlap joint and tie hoop slurry anchor overlap joint, and cost is relatively low for interconnection technique, but stress performance
It is poor compared with sleeve grouting connection.
For the connection type of the vertical muscle of the above is primarily directed to single reinforcement, the research of simultaneously muscle connection is also compared at present
Less, available connection type is also less.
Summary of the invention
Problem to be solved by this invention is double and muscle connection type deficiency.For this problem, the present invention provides
It is a kind of for double and muscle connect can the fixed grout sleeve of self compaction, design rationally, can not only greatly reduce the construction time, but also
It is able to achieve the requirement in reinforced concrete structure to reinforcing bar connecting elements.
In order to achieve the above objectives, the technical solution adopted by the present invention are as follows:
It is a kind of for double and muscle connect can the fixed grout sleeve of self compaction, including there are grouting cavity and upper and lower ends
The sleeve body of opening；Wherein,
The horizontal section of the sleeve body is in 8-shaped, is formed by two neighboring circular sleeve interconnection；
The intracorporal middle part of sleeve is along being provided with limited block, limited block and sleeve body in the plane perpendicular to its axis
Inner wall connection offers injected hole on one end side wall of sleeve body, the other end opens up so that grouting cavity is divide into upper part and lower part
There is plasma discharge hole；
Interval has been evenly arranged several diagonal ribs and shearing slot from top to bottom on sleeve body inner wall；
When use state, upper end is double and the double simultaneously muscle of muscle and lower end stretch to sleeve body from the upper and lower ends of sleeve body respectively
Interior, double and muscle end face is contacted with limited block, circumferential to contact with diagonal rib, and then is realized by injected hole and plasma discharge hole to grouting
Grouting material is perfused in cavity.
A further improvement of the present invention lies in that further including two sealing rings, it is set in sleeve body upper and lower ends and opens
On double and muscle at mouthful.
A further improvement of the present invention lies in that plasma discharge hole and injected hole are provided with the top and bottom of sleeve body respectively.
A further improvement of the present invention lies in that each reinforcing bar is total with corresponding circular sleeve in double and muscle when use state
The center of circle.
A further improvement of the present invention lies in that double and muscle splice coupling part is straight thread reinforced bar.
A further improvement of the present invention lies in that the fan annular plate that diagonal rib is 30 °, respectively by the inner wall of sleeve body upper and lower side
Slope inwardly, with sleeve body inner wall at 60 ° of angles.
A further improvement of the present invention lies in that be arranged on the inner wall of the sleeve body of sustained height the same side there are two diagonal rib,
The diameter of diagonal rib end circular arc is less than the diameter of double and muscle reinforcing bar, if the difference is n, and has n < 5mm, diagonal rib length L are as follows:
Wherein R is sleeve body inner wall radius, and r is double and muscle reinforcing bar radius.
A further improvement of the present invention lies in that shearing slot thickness 2mm, long 4mm.
A further improvement of the present invention lies in that limited block is located at sleeve body middle, hang down along sleeve body axis and diameter
Straight arrangement totally three.
Compared with prior art, it is provided by the invention it is a kind of for double and muscle connect can the fixed grouting of self compaction cover
Cylinder, has the advantage that
1, bifurcation problem that may be present when double and muscle insertion sleeve body is overcome, double and muscle insertion position can be accurately controlled
It sets.
2, after reinforcing bar being inserted into sleeve body, diagonal rib can first fix reinforcing bar, facilitate subsequent operation.
3, the poor problem of existing bond and anchor property is connected for double and muscle, one aspect of the present invention is by diagonal rib to steel
The self compaction of muscle is fixed, and on the other hand by the bonding of reinforcing bar and the slurry that is in the milk, ensure that double and muscle interconnecting piece in two ways
The bond-anchorage strength of position.
4, easy to operate, directly double and muscle can be inserted into, then is in the milk, without having to worry about reinforcing bar is adherent and eccentricity issues.
Detailed description of the invention
Fig. 1 is the transverse cross-sectional view to diagonal rib；
Fig. 2 is the transverse cross-sectional view to shearing slot；
Fig. 3 is the transverse cross-sectional view to limited block；
Fig. 4 is the transverse cross-sectional view after being inserted into reinforcing bar to diagonal rib；
Fig. 5 is to the longitudinal sectional view for having flank position；
Fig. 6 is to be inserted into after reinforcing bar to the longitudinal sectional view for having flank position；
Fig. 7 is the longitudinal sectional view after being inserted into reinforcing bar to apleuria position.
Description of symbols:
1, sleeve body, 2, grouting cavity, 3, sealing ring, 4, plasma discharge hole, 5, injected hole, 6, diagonal rib, 7, shearing slot, 8, limit
Block, 9, the double simultaneously muscle in upper end, 10, the double simultaneously muscle in lower end.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings.
Referring to figs. 1 to Fig. 7, the connection of of the present invention double and muscle can the fixed grout sleeve of self compaction include sleeve body 1,
Be in the milk cavity 2, sealing ring 3, plasma discharge hole 4, injected hole 5, diagonal rib 6, shearing slot 7 and limited block 8.
Sleeve body 1 is 8-shaped, and 1 upper and lower ends of sleeve body are arranged symmetrically two sealing rings 3, and is provided on sealing ring for double
And the through-hole that muscle (the double simultaneously muscle 10 of and muscle 9 double including upper end and lower end) passes through；Plasma discharge hole 4 and injected hole 5 are arranged on sleeve body 1
At the lateral location at lower both ends, plasma discharge hole 4 and injected hole 5 are connected to grouting cavity 2, to guarantee that grouting slurry can smoothly circulate；
Limited block 8 is arranged in the middle face of vertical axis, is arranged vertically totally three along axis and diameter；Diagonal rib 6 and shearing 7 compartment of terrain of slot
It is evenly arranged on the side wall of sleeve body 1.
The quantity of shearing slot 7 determines that diameter is below in 20mm according to connected bar diameter, each end shear slot number
No less than 3 groups of amount；When diameter is within the scope of 22mm~32mm, the shearing slot number of every one end is no less than 4 groups；Diameter is greater than 32mm
When, the shearing slot number of every one end is no less than 5 groups (they being one group in the shearing slot of sustained height).Shearing slot specific location is shown in Fig. 3,
With a thickness of 2mm, length 4mm.
Diagonal rib 6 is consistent with 1 material of sleeve body, and with its inner wall at 60 ° of angles, angle is too small to be difficult to ensure diagonal rib and the straight spiral shell of reinforcing bar
Effective extruding depth of line.Diagonal rib is fan annular, and angle is 30 °.Diagonal rib quantity is consistent with shearing slot number, and interval is equal
Even arrangement.The diameter of diagonal rib end is less than the diameter for being inserted into reinforcing bar, if the difference is n, and has n < 5mm, diagonal rib length L are as follows:
Wherein R is sleeve body inner wall radius, and r is double and muscle reinforcing bar radius.
Other parameters are referring to " reinforcing bar connection grout sleeve " JG.T398-2012.
In using the present invention, comprising the following steps:
Step 1: grout sleeve body 1 is after manufacture, it should upper seal 3, Yi Miantao is installed within the time as soon as possible
Enter sundries in cylinder 1, pollutes, influence construction quality.
Step 2: in erecting yard, the double and muscle of two sides is passed through to the through-hole of sealing ring 3, and then is inserted into sleeve body 1.
After the completion of this step, diagonal rib 6 is to the active force for connecting double and muscle and being applied with extruding.
Step 3: perfusion slurry, the injected hole 5 reserved by sleeve body 1 and plasma discharge hole 4 are perfused into grouting cavity 2 and fill
Slurry, grouting material should meet code requirement, and should ensure that the filling of grouting material is closely knit.
Step 4: maintenance conserves the grouting structure for pouring grouting material as requested, after maintenance, i.e., complete
At two sections of double and muscle connection procedures.
Claims (9)
1. it is a kind of for double and muscle connect can the fixed grout sleeve of self compaction, which is characterized in that including having grouting cavity
(2) and upper and lower ends opening sleeve body (1)；Wherein,
The horizontal section of the sleeve body (1) is in 8-shaped, is formed by two neighboring circular sleeve interconnection；
Middle part in sleeve body (1) along being provided in the plane perpendicular to its axis limited block (8), limited block (8) with
The connection of sleeve body (1) inner wall offers note on one end side wall of sleeve body (1) so that grouting cavity (2) is divide into upper part and lower part
It starches hole (5), the other end offers plasma discharge hole (4)；
Interval has been evenly arranged several diagonal ribs (6) and shearing slot (7) from top to bottom on sleeve body (1) inner wall；
When use state, upper end is double and the double simultaneously muscle (10) of muscle (9) and lower end stretch to set from the upper and lower ends of sleeve body (1) respectively
In cylinder (1), double and muscle end face contact with limited block (8), and circumferential direction is contacted with diagonal rib (6), so pass through injected hole (5) and
Plasma discharge hole (4) is realized, and grouting material is perfused into grouting cavity (2).
2. it is according to claim 1 it is a kind of for double and muscle connect can the fixed grout sleeve of self compaction, feature exists
In further including two sealing rings (3), be set on the double and muscle of sleeve body (1) upper and lower ends opening.
3. it is according to claim 1 it is a kind of for double and muscle connect can the fixed grout sleeve of self compaction, feature exists
In plasma discharge hole (4) and injected hole (5) are provided with the top and bottom of sleeve body (1) respectively.
4. it is according to claim 1 it is a kind of for double and muscle connect can the fixed grout sleeve of self compaction, feature exists
When, use state, each reinforcing bar and the concyclic heart of corresponding circular sleeve in double and muscle.
5. it is according to claim 1 it is a kind of for double and muscle connect can the fixed grout sleeve of self compaction, feature exists
In double and muscle splice coupling part is straight thread reinforced bar.
6. it is according to claim 1 it is a kind of for double and muscle connect can the fixed grout sleeve of self compaction, feature exists
In the fan annular plate that diagonal rib (6) is 30 ° is sloped inwardly by the inner wall of sleeve body (1) upper and lower side respectively, interior with sleeve body (1)
Wall is at 60 ° of angles.
7. it is according to claim 6 it is a kind of for double and muscle connect can the fixed grout sleeve of self compaction, feature exists
In there are two diagonal rib (6), the diameter of diagonal rib (6) end circular arc is small for setting on the inner wall of the sleeve body (1) of sustained height the same side
In the diameter of double and muscle reinforcing bar, if the difference is n, and there is n < 5mm, diagonal rib length L are as follows:
Wherein R is sleeve body inner wall radius, and r is double and muscle reinforcing bar radius.
8. it is according to claim 1 it is a kind of for double and muscle connect can the fixed grout sleeve of self compaction, feature exists
In shearing slot (7) thickness 2mm, long 4mm.
9. it is according to claim 1 it is a kind of for double and muscle connect can the fixed grout sleeve of self compaction, feature exists
In limited block (8) is located at sleeve body (1) middle, is arranged vertically totally three along sleeve body (1) axis and diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910662104.1A CN110284659A (en) | 2019-07-22 | 2019-07-22 | It is a kind of for double and muscle connect can the fixed grout sleeve of self compaction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910662104.1A CN110284659A (en) | 2019-07-22 | 2019-07-22 | It is a kind of for double and muscle connect can the fixed grout sleeve of self compaction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110284659A true CN110284659A (en) | 2019-09-27 |
Family
ID=68023617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910662104.1A Pending CN110284659A (en) | 2019-07-22 | 2019-07-22 | It is a kind of for double and muscle connect can the fixed grout sleeve of self compaction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110284659A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112726964A (en) * | 2020-12-30 | 2021-04-30 | 西安建筑科技大学 | Screw thread grout sleeve suitable for two muscle of merging are connected side by side |
| CN113073791A (en) * | 2021-04-07 | 2021-07-06 | 上海市城市建设设计研究总院（集团）有限公司 | Tendon connection grouting sleeve for assembled structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011006876A (en) * | 2009-06-24 | 2011-01-13 | Godo Steel Ltd | Reinforcement joint structure with one end side open type sleeve |
| CN107023121A (en) * | 2017-04-28 | 2017-08-08 | 广东省建科建筑设计院有限公司 | A kind of reinforcing bar grout sleeve connected for prefabricated concrete structure ductility |
| CN107740543A (en) * | 2017-11-28 | 2018-02-27 | 湖南大学 | A kind of connection of double and muscle full grout sleeve and double and muscle connection method |
| CN109098358A (en) * | 2018-07-09 | 2018-12-28 | 东南大学 | A kind of self-locking reinforcing bar connection grout sleeve |
| CN109944394A (en) * | 2019-04-08 | 2019-06-28 | 重庆交通大学 | A kind of assembled architecture sleeve grouting connector and its application method |
| CN211691081U (en) * | 2019-07-22 | 2020-10-16 | 西安建筑科技大学 | Self-extrusion fixed grouting sleeve for double parallel ribs connection |
-
2019
- 2019-07-22 CN CN201910662104.1A patent/CN110284659A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011006876A (en) * | 2009-06-24 | 2011-01-13 | Godo Steel Ltd | Reinforcement joint structure with one end side open type sleeve |
| CN107023121A (en) * | 2017-04-28 | 2017-08-08 | 广东省建科建筑设计院有限公司 | A kind of reinforcing bar grout sleeve connected for prefabricated concrete structure ductility |
| CN107740543A (en) * | 2017-11-28 | 2018-02-27 | 湖南大学 | A kind of connection of double and muscle full grout sleeve and double and muscle connection method |
| CN109098358A (en) * | 2018-07-09 | 2018-12-28 | 东南大学 | A kind of self-locking reinforcing bar connection grout sleeve |
| CN109944394A (en) * | 2019-04-08 | 2019-06-28 | 重庆交通大学 | A kind of assembled architecture sleeve grouting connector and its application method |
| CN211691081U (en) * | 2019-07-22 | 2020-10-16 | 西安建筑科技大学 | Self-extrusion fixed grouting sleeve for double parallel ribs connection |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112726964A (en) * | 2020-12-30 | 2021-04-30 | 西安建筑科技大学 | Screw thread grout sleeve suitable for two muscle of merging are connected side by side |
| CN113073791A (en) * | 2021-04-07 | 2021-07-06 | 上海市城市建设设计研究总院（集团）有限公司 | Tendon connection grouting sleeve for assembled structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107354862B (en) | Prefabricated interlayer steel tube concrete and hollow steel bar concrete assembly bridge pier | |
| CN204510626U (en) | A kind of groove type reinforcing bar connector with space networks grating texture | |
| CN206245599U (en) | A kind of steel core concrete column embedded column base | |
| CN108442522A (en) | A kind of embedded steel-pipe assembly concrete connecting structure of girder steel and construction method | |
| CN110284659A (en) | It is a kind of for double and muscle connect can the fixed grout sleeve of self compaction | |
| CN106759865B (en) | A kind of U-shaped steel plate combination beam frame of steel core concrete column- | |
| CN108571070A (en) | A kind of Prefabricated concrete-filled steel tube ring beam connection structure and construction method | |
| CN204510629U (en) | A kind of reinforcing bar connector with space networks grating texture | |
| CN107075865A (en) | With the concrete structure of module structure mode | |
| CN110284660A (en) | It is a kind of in a row three and muscle connection can the fixed grout sleeve of self compaction | |
| CN207646892U (en) | The connecting node of hollow type concrete column and girder steel | |
| CN208618654U (en) | Double web H fashioned iron and its connecting node with concrete prefabricated board | |
| CN204456670U (en) | Fabricated construction straight screw sleeve connection joint | |
| CN204510625U (en) | A kind of high-strength Steel Bar Coupler with space networks grating texture | |
| CN110284661A (en) | It is a kind of for isosceles triangle three and muscle connection can the fixed grout sleeve of self compaction | |
| CN208633272U (en) | A kind of Prefabricated concrete-filled steel tube ring beam connection structure | |
| CN211691081U (en) | Self-extrusion fixed grouting sleeve for double parallel ribs connection | |
| CN208379762U (en) | A kind of precast concrete beam and steel column connection structure | |
| CN205934906U (en) | Stake of solid side of precast concrete | |
| CN214195232U (en) | Annular steel pipe concrete column base connection structure | |
| CN210596993U (en) | Assembled pier is with grout connecting sleeve | |
| CN208563768U (en) | A kind of grout sleeve | |
| CN208563573U (en) | A kind of embedded steel-pipe assembly concrete connecting structure of girder steel | |
| CN210368608U (en) | Standard type segment unit and pier stud | |
| CN208815514U (en) | A kind of pre-stress hollow uplift pile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |