CN112049327B - Semi-grouting sleeve assembly and mounting method thereof - Google Patents
Semi-grouting sleeve assembly and mounting method thereof Download PDFInfo
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- CN112049327B CN112049327B CN202010812862.XA CN202010812862A CN112049327B CN 112049327 B CN112049327 B CN 112049327B CN 202010812862 A CN202010812862 A CN 202010812862A CN 112049327 B CN112049327 B CN 112049327B
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- sleeve
- steel bar
- connecting sleeve
- accommodating groove
- grouting
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- 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
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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
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- Reinforcement Elements For Buildings (AREA)
Abstract
The invention belongs to the technical field of prefabricated part connection of an assembly type building, and particularly relates to a semi-grouting sleeve assembly and an installation method thereof. Aiming at the defect that the connecting length of a steel bar and a sleeve is larger in order to ensure the structural strength of the existing semi-grouting sleeve, the invention adopts the following technical scheme: a semi-grout sleeve assembly, comprising: a first reinforcing bar; a second reinforcing bar having a first tensile portion; a first sleeve; the connecting sleeve comprises a small-diameter section and a large-diameter section, a steel bar accommodating groove for a second steel bar to move in the radial direction is formed in one end, far away from the small-diameter section, of the large-diameter section, and a second tensile part is arranged on the side wall of the steel bar accommodating groove; a second sleeve. The invention has the beneficial effects that: the connecting sleeve can be radially adjusted relative to the second reinforcing steel bar, so that the alignment is convenient; the first tensile part and the second tensile part are matched to improve the strength, and the connection performance of the reinforcing steel bar and the connecting sleeve is not required to be enhanced by increasing the connection length of the reinforcing steel bar and the connecting sleeve.
Description
Technical Field
The invention belongs to the technical field of prefabricated part connection of an assembly type building, and particularly relates to a semi-grouting sleeve assembly and an installation method thereof.
Background
The existing prefabricated part steel bar connection mainly has two modes of mechanical sleeve connection and grouting sleeve connection. The sleeve of mechanical sleeve connection mode is with low costs, but the precision requirement when to prefabricated component preparation is very high, and the central deviation of vertical atress reinforcing bar generally can not be greater than 0.25mm, and the operating space of nodal connection is also great, and the construction degree of difficulty is very high. In many cases, the connection of the stressed steel bars of the vertical members cannot be avoided by using a mechanical sleeve or the connection quality cannot meet the standard requirements due to the central eccentricity.
And a grouting sleeve connection mode is adopted, so that the sleeve cost is higher. However, the inner diameter of the grouting sleeve can be slightly larger than the nominal diameter of the steel bar, the requirement on the manufacturing precision of the prefabricated part is not high, the relative deviation can be allowed within 3mm, and the node connection operation is convenient.
The grouting sleeve comprises a full grouting sleeve and a half grouting sleeve. The semi-grouting sleeve has one end connected in grouting mode and the other end connected to reinforcing steel bar in non-grouting mode, and is mainly suitable for connecting longitudinal members.
Half grout sleeve's grout end mainly connects through reinforcing bar, grout material and the sleeve interact who is equipped with a plurality of shear force grooves, and the grout quality of grout material directly influences whether firm connection to reinforcing bar and sleeve, the intensity of grout material and with the area of contact direct influence grout sleeve holistic tensile properties. Because the intensity of the existing grouting material is obviously lower than that of the steel bar, in order to ensure that the tensile strength of the sleeve after grouting meets the standard requirement, the connection length of the steel bar and the sleeve is increased (namely the contact area of the steel bar and the grouting material is increased) in order to strengthen the connection performance of the steel bar and the sleeve in the prior art, so that the application cost of the sleeve is obviously increased (the application cost of the whole assembly type building is increased because the sleeve is lengthened and the section of a beam column is added). In addition, the sleeve grouting process is hidden engineering, a good detection method is not available at present, grouting quality is not easy to guarantee if the sleeve grouting is not full, and the reinforcing steel bars cannot be firmly connected with the hardened grouting material due to the fact that the sleeve grouting is not full, so that the structural safety performance of the fabricated building is affected.
Disclosure of Invention
Aiming at the defect that the existing semi-grouting sleeve ensures structural strength and enables the connection length of a steel bar and the sleeve to be larger, the invention provides the semi-grouting sleeve assembly, which reduces the connection length of the steel bar and the sleeve and reduces the application cost of the semi-grouting sleeve assembly while ensuring the structural strength. The invention also provides an installation method of the semi-grouting sleeve assembly.
In order to achieve the purpose, the invention adopts the following technical scheme: a semi-grout sleeve assembly, comprising:
a first reinforcing bar having a first external thread;
a second reinforcing bar having a first tensile portion;
a first sleeve having a first internal thread;
the connecting sleeve comprises a small-diameter section and a large-diameter section, the small-diameter section is provided with a second external thread, the large-diameter section is provided with a third external thread, one end, far away from the small-diameter section, of the large-diameter section is also provided with a steel bar accommodating groove for a second steel bar to move in the radial direction, and the side wall of the steel bar accommodating groove is provided with a second tensile part;
the second sleeve is provided with a second internal thread and is provided with a grouting hole and a grout outlet hole;
the first internal thread of the first sleeve is in threaded connection with the first external thread of the first steel bar and the second external thread of the connecting sleeve respectively;
the second steel bar is positioned in the steel bar accommodating groove of the connecting sleeve, and a first tensile part of the second steel bar is matched with a second tensile part of the connecting sleeve;
wherein the second internal thread of the second sleeve is threadedly connected with the third external thread of the connecting sleeve;
and the grouting hole and the grout outlet of the second sleeve are communicated with the steel bar accommodating groove of the connecting sleeve.
The semi-grouting sleeve assembly is provided with the first sleeve, the connecting sleeve and the second sleeve, wherein the connecting sleeve is provided with a steel bar accommodating groove for the second steel bar to move in the radial direction, and the connecting sleeve can be adjusted in the radial direction relative to the second steel bar, so that the alignment is convenient; the connecting sleeve is provided with a second tensile part matched with the first tensile part of the second steel bar, the matching of the first tensile part and the second tensile part improves the strength, the connecting length of the steel bar and the connecting sleeve is not required to be increased so as to enhance the connecting performance of the steel bar and the connecting sleeve, the length of the connecting sleeve and the section size of a corresponding prefabricated part such as a beam column are reduced, and therefore the application cost of the semi-grouting sleeve assembly and the application cost of the whole assembly type building are reduced; axial between connecting sleeve and the second reinforcing bar is connected through first tensile portion and the cooperation of the tensile portion of second, and the grout material mainly plays the radial fixed action of level and non-axial fixity effect, still can guarantee the connection quality of half grout sleeve subassembly when the situation such as even appear connecting sleeve grout and unsatisfied, has strengthened assembly type structure security performance greatly.
In a further development, the second reinforcement has a plurality of first teeth and forms the first tensile portion, and the reinforcement-receiving groove of the coupling sleeve has a plurality of second teeth and forms the second tensile portion.
In a modification, the second tensile portion has a rectangular cross section. Of course, the cross section of the second tensile part may also be triangular, trapezoidal, etc.
As a refinement, the plurality of first teeth are arranged symmetrically.
As a refinement, the plurality of second tooth portions are symmetrically arranged.
As an improvement, a gap is formed between the first tooth part and the second tooth part, so that the second steel bar and the connecting sleeve can be assembled easily, namely, the second steel bar can smoothly enter the steel bar accommodating groove of the connecting sleeve.
As an improvement, the connecting sleeve is integrally formed.
As an improvement, a transition section is arranged between the small-diameter section and the large-diameter section of the connecting sleeve. The transition section is used for installing the second sleeve, so that the second sleeve can not shield the steel bar accommodating groove.
As an improvement, the tensile strength of the first sleeve, the tensile strength of the connecting sleeve and the tensile strength of the second sleeve are all larger than the tensile strength of the first reinforcing steel bar and the tensile strength of the second reinforcing steel bar.
As an improvement, the reinforcing steel bar accommodating groove is a non-through groove, namely the reinforcing steel bar accommodating groove is provided with three groove walls.
As an improvement, the depth of the reinforcing steel bar accommodating groove is larger than the diameter of the second reinforcing steel bar, so that a larger horizontal adjusting space is reserved.
As an improvement, the second steel bar comprises a transition sleeve and a third steel bar, the transition sleeve is provided with the first tensile portion, one end of the transition sleeve, which is far away from the first tensile portion, is provided with a fourth internal thread, and one end of the third steel bar is provided with a fourth external thread matched with the fourth internal thread. The installation of adapter sleeve's path section and first reinforcing bar is after second reinforcing bar and adapter sleeve installation, and when adapter sleeve's path section passed through first sleeve fixed connection first reinforcing bar, need finely tune adapter sleeve and second reinforcing bar place prefabricated component's position, because prefabricated component size and weight are great, and the adjustment is comparatively troublesome. The second reinforcing bar includes threaded connection's transition sleeve and third reinforcing bar, can adjust the transition sleeve, and need not to adjust the prefabricated component in third reinforcing bar place.
As an improvement, grouting is conducted between the steel bar accommodating groove and the second steel bars.
A method of installing a semi-grout sleeve assembly, the method comprising the steps of:
s1, rotating the first sleeve to enable the first sleeve to be completely sleeved on the small-diameter section of the connecting sleeve, and rotating the second sleeve to enable one end, far away from the first steel bar, of the second sleeve not to shield the steel bar accommodating groove of the connecting sleeve;
s2, after the prefabricated part where the second steel bar is located is hoisted, adjusting the position of the connecting sleeve to enable the second steel bar to enter the steel bar accommodating groove of the connecting sleeve, wherein the first tensile part of the second steel bar is matched with the second tensile part of the connecting sleeve;
s3, rotating the second sleeve until the second sleeve completely covers the steel bar accommodating groove, and communicating the grouting hole and the grout outlet of the second sleeve with the steel bar accommodating groove;
s4, adjusting the position of the connecting sleeve to enable the small-diameter section of the connecting sleeve to correspond to the position of the first steel bar, and rotating the first sleeve to enable the first sleeve to be in threaded connection with the first steel bar and the connecting sleeve simultaneously;
s5, sealing the end part of the steel bar accommodating groove and the second steel bar;
and S6, grouting and maintaining to form stable connection.
A method of installing a semi-grout sleeve assembly, the method comprising the steps of:
s1, connecting the transition sleeve with the third steel bar through complete threads, rotating the first sleeve to enable the first sleeve to be completely sleeved on the small-diameter section of the connecting sleeve, and rotating the second sleeve to enable one end, far away from the first steel bar, of the second sleeve not to shield the steel bar accommodating groove of the connecting sleeve;
s2, after the prefabricated part where the third steel bar is located is hoisted, adjusting the position of the connecting sleeve to enable the third steel bar to enter the steel bar accommodating groove of the connecting sleeve, and enabling the first tensile part of the transition sleeve to be matched with the second tensile part of the connecting sleeve;
s3, rotating the second sleeve until the second sleeve completely covers the steel bar accommodating groove, and communicating the grouting hole and the grout outlet of the second sleeve with the steel bar accommodating groove;
s4, adjusting the position of the connecting sleeve to enable the small-diameter section of the connecting sleeve to correspond to the position of the first steel bar, and rotating the first sleeve to enable the first sleeve to be in threaded connection with the first steel bar and the connecting sleeve simultaneously;
s5, sealing the end part of the steel bar accommodating groove and the second steel bar;
and S6, grouting and maintaining to form stable connection.
The semi-grouting sleeve component has the beneficial effects that: the connecting sleeve is provided with a steel bar accommodating groove for the second steel bar to move in the radial direction, and the connecting sleeve can be adjusted in the radial direction relative to the second steel bar, so that the alignment is convenient; the connecting sleeve is provided with a second tensile part matched with the first tensile part of the second steel bar, the matching of the first tensile part and the second tensile part improves the strength, the connecting length of the steel bar and the connecting sleeve is not required to be increased so as to enhance the connecting performance of the steel bar and the connecting sleeve, the length of the connecting sleeve and the section size of a corresponding prefabricated part such as a beam column are reduced, and therefore the application cost of the semi-grouting sleeve assembly and the application cost of the whole assembly type building are reduced; the axial connection between the connecting sleeve and the second steel bar is matched through the first tensile part and the second tensile part, the grouting material mainly plays a horizontal radial fixing role but not an axial fixing role, the connection quality of the half grouting sleeve assembly can be ensured even if the connecting sleeve is not full of grouting and the like, and the structural safety performance of the fabricated building is greatly enhanced; the assembly process between the second steel bar and the connecting sleeve is simple to operate, convenient to construct and visible to naked eyes; although the grouting process is a hidden project, the connection performance of the half grouting sleeve assembly cannot be influenced even if grouting is not full, and the construction quality of the half grouting sleeve assembly is greatly improved.
The installation method of the semi-grouting sleeve assembly of the invention adopts the semi-grouting sleeve assembly of the invention, and has all the beneficial effects of the semi-grouting sleeve assembly of the invention.
Drawings
Fig. 1 is a perspective view illustrating a first embodiment of a half grout sleeve assembly according to the present invention.
Fig. 2 and 3 are different angle cross-sectional views of an embodiment one of the half grout sleeve assembly of the present invention.
Fig. 4 is a schematic view of the structure of the first reinforcing bar of the first embodiment of the semi-grouting sleeve assembly of the present invention.
Fig. 5 is a schematic structural view of a first sleeve of a first embodiment of a semi-grouting sleeve assembly of the present invention.
Fig. 6 is a schematic view of a coupling sleeve according to a first embodiment of the semi-grouting sleeve assembly of the present invention.
Fig. 7 is a schematic view of the structure of a second reinforcing bar of the first embodiment of the semi-grouting sleeve assembly of the present invention.
Fig. 8 is a schematic structural view of a second sleeve of the first embodiment of the semi-grouting sleeve assembly of the present invention.
Fig. 9 is a schematic view of an installation method of a first embodiment of a half grout sleeve assembly of the present invention.
Fig. 10 is a cross-sectional view of a second embodiment of a semi-grout sleeve assembly of the present invention.
Fig. 11 is a schematic structural view of a transition sleeve of a second embodiment of a half grout sleeve assembly of the present invention.
Fig. 12 is a schematic view showing the structure of a third reinforcing bar of the second embodiment of the semi-grouting sleeve assembly of the present invention.
In the figure, 1, a first reinforcing bar; 11. a first external thread;
2. a second reinforcing bar; 21. a first tensile portion; 2A, a transition sleeve; 22. a third internal thread; 2B, third steel bars; 23. a fourth external thread;
3. a first sleeve; 31. a first internal thread;
4. a connecting sleeve; 41. a small diameter section; 411. a second external thread; 42. a large diameter section; 421. a third external thread; 422. a steel bar accommodating groove; 423. a second tensile portion; 43. a transition section;
5. a second sleeve; 51. grouting holes; 52. a slurry outlet; 53. a second internal thread;
6. grouting material;
s, clearance.
Detailed Description
The technical solutions of the embodiments of the present invention will be explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and are not all embodiments. Other embodiments obtained by persons skilled in the art without any inventive work based on the embodiments in the embodiment belong to the protection scope of the invention.
Referring to fig. 1 to 8 and 10 to 12, a semi-grouting sleeve assembly of the present invention includes:
a first reinforcing bar having a first external thread;
a second reinforcing bar having a first tensile portion;
a first sleeve having a first internal thread;
the connecting sleeve comprises a small-diameter section and a large-diameter section, the small-diameter section is provided with a second external thread, the large-diameter section is provided with a third external thread, one end, far away from the small-diameter section, of the large-diameter section is also provided with a steel bar accommodating groove for a second steel bar to move in the radial direction, and the side wall of the steel bar accommodating groove is provided with a second tensile part;
the second sleeve is provided with a second internal thread and is provided with a grouting hole and a grout outlet hole;
the first internal thread of the first sleeve is in threaded connection with the first external thread of the first steel bar and the second external thread of the connecting sleeve respectively;
the second steel bar is positioned in the steel bar accommodating groove of the connecting sleeve, and a first tensile part of the second steel bar is matched with a second tensile part of the connecting sleeve;
wherein the second internal thread of the second sleeve is threadedly connected with the third external thread of the connecting sleeve;
and the grouting hole and the grout outlet of the second sleeve are communicated with the steel bar accommodating groove of the connecting sleeve.
The semi-grouting sleeve assembly is provided with the first sleeve, the connecting sleeve and the second sleeve, wherein the connecting sleeve is provided with a steel bar accommodating groove for the second steel bar to move in the radial direction, and the connecting sleeve can be adjusted in the radial direction relative to the second steel bar, so that the alignment is convenient; the connecting sleeve is provided with a second tensile part matched with the first tensile part of the second steel bar, the matching of the first tensile part and the second tensile part improves the strength, the connecting length of the steel bar and the connecting sleeve is not required to be increased so as to enhance the connecting performance of the steel bar and the connecting sleeve, the length of the connecting sleeve and the section size of a corresponding prefabricated part such as a beam column are reduced, and therefore the application cost of the semi-grouting sleeve assembly and the application cost of the whole assembly type building are reduced; axial between connecting sleeve and the second reinforcing bar is connected through first tensile portion and the cooperation of the tensile portion of second, and the grout material mainly plays the radial fixed action of level and non-axial fixity effect, still can guarantee the connection quality of half grout sleeve subassembly when the situation such as even appear connecting sleeve grout and unsatisfied, has strengthened assembly type structure security performance greatly.
Embodiment one of the half grouting sleeve assembly
Referring to fig. 1 to 8, according to a first embodiment of a half grouting sleeve assembly of the present invention, the half grouting sleeve assembly includes:
a first steel bar 1, the first steel bar 1 having a first external thread 11;
a second reinforcing bar 2, the second reinforcing bar 2 having a first tensile portion 21;
a first sleeve 3, the first sleeve 3 having a first internal thread 31;
the connecting sleeve 4 comprises a small-diameter section 41 and a large-diameter section 42, the small-diameter section 41 is provided with a second external thread 411, the large-diameter section 42 is provided with a third external thread 421, one end, far away from the small-diameter section 41, of the large-diameter section 42 is further provided with a steel bar accommodating groove 422 for the second steel bar 2 to move in the radial direction, and the side wall of the steel bar accommodating groove 422 is provided with a second tensile part 423;
the second sleeve 5 is provided with a second internal thread 53, and the second sleeve 5 is provided with a grouting hole 51 and a grout outlet 52;
wherein, the first internal thread 31 of the first sleeve 3 is respectively in threaded connection with the first external thread 11 of the first steel bar 1 and the second external thread 411 of the connecting sleeve 4;
wherein the second steel bar 2 is located in the steel bar accommodating groove 422 of the connecting sleeve 4, and the first tensile portion 21 of the second steel bar 2 is matched with the second tensile portion 423 of the connecting sleeve 4;
wherein the second internal thread 53 of the second sleeve 5 is threadedly connected with the third external thread 421 of the connection sleeve 4;
the grouting hole 51 and the grout outlet 52 of the second sleeve 5 are communicated with the steel bar accommodating groove 422 of the connecting sleeve 4.
In this embodiment, the first reinforcing bars 1 are pre-buried in the first prefabricated parts to be connected, and the second reinforcing bars 2 are pre-buried in the second prefabricated parts to be connected.
In this embodiment, the second external thread 411 of the small-diameter section 41 of the connecting sleeve 4 and the first external thread 11 of the first steel bar 1 are simultaneously matched with the first internal thread 31 of the first sleeve 3.
In this embodiment, the second reinforcing bar 2 has a plurality of first teeth and forms the first tensile part 21, and the reinforcing bar accommodating groove 422 of the coupling sleeve 4 has a plurality of second teeth and forms the second tensile part 423. Specifically, the material of the upper surface of the second reinforcing bar 2 is removed at intervals to form the plurality of first teeth. The connecting sleeve 4 may be injection molded. The first tooth part of the second steel bar 2 comprises a first groove and a first convex part, the second tooth part of the connecting sleeve 4 comprises a second groove and a second convex part, and the first convex part of the second steel bar 2 and the second convex part of the connecting sleeve 4 are axially abutted. The first protrusion of the second reinforcement 2 is located in the second recess of the coupling sleeve 4 and the second protrusion of the coupling sleeve 4 is located in the first recess of the coupling sleeve 4.
In this embodiment, the second tensile portion 423 has a rectangular cross section. Of course, the cross-section of the second tensile portion 423 may also be triangular, trapezoidal, and the like.
In this embodiment, the plurality of first teeth portions are symmetrically arranged.
In this embodiment, the plurality of second tooth portions are symmetrically disposed.
In this embodiment, a gap S is formed between the first tooth portion and the second tooth portion, so that the second steel bar 2 and the connecting sleeve 4 can be easily assembled, that is, the second steel bar 2 can smoothly enter the steel bar accommodating groove 422 of the connecting sleeve 4. Specifically, the axial height and radial width of the first projection of the second reinforcing bar 2 are smaller than the axial height and radial depth of the second recess of the connecting sleeve 4, and the axial height and radial width of the second projection of the connecting sleeve 4 are smaller than the axial height and radial depth of the first recess of the second reinforcing bar 2.
In this embodiment, the connecting sleeve 4 is integrally formed.
In this embodiment, a transition section 43 is further provided between the small diameter section 41 and the large diameter section 42 of the connecting sleeve 4. The transition section 43 is used to mount the second sleeve 5 so that the second sleeve 5 may not obstruct the rebar receiving groove 422.
In this embodiment, the tensile strength of the first sleeve 3, the connecting sleeve 4 and the second sleeve 5 is greater than the tensile strength of the first steel bar 1 and the tensile strength of the second steel bar 2.
In this embodiment, the reinforcing bar receiving groove 422 is a non-penetrating groove, that is, the reinforcing bar receiving groove 422 has three groove walls.
In this embodiment, the depth of the steel bar accommodating groove 422 is greater than the diameter of the second steel bar 2, so as to leave a larger adjusting space in the horizontal direction.
In this embodiment, the rebar-accommodating groove 422 and the second rebar 2 are grouted.
The beneficial effects of the first embodiment of the semi-grouting sleeve component are as follows: the connecting sleeve 4 is provided with a steel bar accommodating groove 422 for the second steel bar 2 to move in the radial direction, and the connecting sleeve 4 can be adjusted in the radial direction relative to the second steel bar 2, so that the alignment is convenient; the connecting sleeve 4 is provided with a second tensile part 423 matched with the first tensile part 21 of the second steel bar 2, the first tensile part 21 and the second tensile part 423 are matched to improve the strength, the connecting performance of the steel bars and the connecting sleeve 4 is enhanced without increasing the connecting length of the steel bars and the connecting sleeve 4, the length of the connecting sleeve 4 and the section size of corresponding prefabricated parts such as a beam column are reduced, and therefore the application cost of the semi-grouting sleeve assembly and the application cost of the whole assembly type building are reduced; the axial connection between the connecting sleeve 4 and the second steel bar 2 is matched through the first tensile part 21 and the second tensile part 423, the grouting material 6 mainly plays a horizontal radial fixing role rather than an axial fixing role, the connection quality of a half grouting sleeve assembly can be ensured even if the connecting sleeve 4 is not full of grouting, and the structural safety performance of the fabricated building is greatly enhanced; the assembly process between the second steel bar 2 and the connecting sleeve 4 is simple to operate, convenient to construct and visible to naked eyes; although the grouting process is a hidden project, the connection performance of the half grouting sleeve assembly cannot be influenced even if grouting is not full, and the construction quality of the half grouting sleeve assembly is greatly improved.
Embodiment two of the half grout sleeve assembly
The second embodiment of the half grout sleeve assembly differs from the first embodiment of the half grout sleeve in the second reinforcing bars 2.
Referring to fig. 10 to 12, in the present embodiment. The second reinforcing steel bar 2 comprises a transition sleeve 2A and a third reinforcing steel bar 2B, the transition sleeve 2A is provided with the first tensile portion 21, a fourth internal thread is formed at one end, far away from the first tensile portion 21, of the transition sleeve 2A, and a fourth external thread 23 matched with the fourth internal thread is formed at one end of the third reinforcing steel bar 2B.
In the first embodiment of half grout sleeve, second reinforcing bar 2 is integrative, second reinforcing bar 2 is pre-buried in prefabricated component, when the construction, the installation of the path section 41 of connecting sleeve 4 and first reinforcing bar 1 is after second reinforcing bar 2 and connecting sleeve 4 installation, when the path section 41 of connecting sleeve 4 passes through first reinforcing bar 1 of 3 fixed connection of first sleeve, need finely tune the position of the prefabricated component at connecting sleeve 4 and second reinforcing bar 2 place, because prefabricated component size and weight are great, it is comparatively troublesome to adjust.
In this embodiment, second reinforcing bar 2 includes threaded connection's transition sleeve 2A and third reinforcing bar 2B, when aligning, can adjust transition sleeve 2A, and need not to adjust the prefabricated component in third reinforcing bar 2B place. Specifically, in the first embodiment of the half-grouting sleeve, in some cases, the small-diameter section 41 of the connecting sleeve 4 and the first reinforcing bar 1 can be aligned by adjusting the connecting sleeve 4, but in more cases, since the connecting sleeve 4 is matched with the fixed second reinforcing bar 2, the connecting sleeve 4 can only be adjusted in one fixed direction, and the small-diameter section 41 of the connecting sleeve 4 cannot be aligned with the first reinforcing bar 1 by only adjusting the connecting sleeve 4. In this embodiment, third reinforcing bar 2B and the pre-buried rigid coupling of prefabricated component, transition sleeve 2A can be rotatory for third reinforcing bar 2B, and transition sleeve 2A and connecting sleeve 4 cooperate, can adjust connecting sleeve 4's translation angle through rotatory transition sleeve 2A for connecting sleeve 4's path section 41 aligns with first reinforcing bar 1.
Other structures and effects of the second embodiment of the half grouting sleeve assembly are the same as those of the first embodiment of the half grouting sleeve assembly, and are not described herein again.
Embodiment one of the installation method of the half grouting sleeve assembly
Referring to fig. 1 to 9, a first embodiment of an installation method of a semi-grouting sleeve assembly according to the present invention includes the steps of:
s1, rotating the first sleeve 3 to enable the first sleeve 3 to be completely sleeved on the small-diameter section 41 of the connecting sleeve 4, and rotating the second sleeve 5 to enable one end, far away from the first steel bar 1, of the second sleeve 5 not to shield the steel bar accommodating groove 422 of the connecting sleeve 4;
s2, after the prefabricated part where the second steel bar 2 is located is hoisted, adjusting the position of the connecting sleeve 4 to enable the second steel bar 2 to enter the steel bar accommodating groove 422 of the connecting sleeve 4, and enabling the first tensile part 21 of the second steel bar 2 to be matched with the second tensile part 423 of the connecting sleeve 4;
s3, rotating the second sleeve 5 until the second sleeve 5 completely covers the steel bar accommodating groove 422 and the grouting hole 51 and the grout outlet 52 of the second sleeve 5 are communicated with the steel bar accommodating groove 422;
s4, adjusting the position of the connecting sleeve 4 to enable the small-diameter section 41 of the connecting sleeve 4 to correspond to the position of the first steel bar 1, and rotating the first sleeve 3 to enable the first sleeve 3 to be in threaded connection with the first steel bar 1 and the connecting sleeve 4 simultaneously;
s5, sealing the end part of the steel bar accommodating groove 422 and the second steel bar 2;
and S6, grouting and maintaining to form stable connection.
Second embodiment of the method for installing a semi-grouting sleeve assembly
The second embodiment of the installation method of the half grout sleeve assembly is different from the first embodiment of the installation method of the half grout sleeve assembly in that the second reinforcing bars 2 of the half grout sleeve assembly are different. The second reinforcing bar 2 of the present embodiment is shown in fig. 10 to 12, and the remaining structure is the same as that of the half grouting sleeve assembly of the first embodiment of the installation method.
In this embodiment, the installation method includes the following steps:
s1, the transition sleeve 2A is completely in threaded connection with the third steel bar 2B, the first sleeve 3 is rotated to enable the first sleeve 3 to be completely sleeved on the small-diameter section 41 of the connecting sleeve 4, and the second sleeve 5 is rotated to enable one end, far away from the first steel bar 1, of the second sleeve 5 not to shield the steel bar accommodating groove 422 of the connecting sleeve 4;
s2, after the prefabricated part where the third steel bar 2B is located is hoisted, adjusting the position of the connecting sleeve 4 to enable the third steel bar 2B to enter the steel bar accommodating groove 422 of the connecting sleeve 4, and enabling the first tensile part 21 of the transition sleeve 2A to be matched with the second tensile part 423 of the connecting sleeve 4;
s3, rotating the second sleeve 5 until the second sleeve 5 completely covers the steel bar accommodating groove 422 and the grouting hole 51 and the grout outlet 52 of the second sleeve 5 are communicated with the steel bar accommodating groove 422;
s4, adjusting the position of the connecting sleeve 4 to enable the small-diameter section 41 of the connecting sleeve 4 to correspond to the position of the first steel bar 1, and rotating the first sleeve 3 to enable the first sleeve 3 to be in threaded connection with the first steel bar 1 and the connecting sleeve 4 simultaneously;
s5, sealing the end part of the steel bar accommodating groove 422 and the second steel bar 2;
and S6, grouting and maintaining to form stable connection.
In this embodiment, the second reinforcing bar 2 includes threaded connection's transition sleeve 2A and third reinforcing bar 2B, when aligning the path section 41 of first reinforcing bar 1 and adapter sleeve 4, can adjust transition sleeve 2A, and need not to adjust the prefabricated component in third reinforcing bar 2B place.
While the invention has been described with reference to specific embodiments thereof, it will be understood by those skilled in the art that the invention is not limited thereto but is intended to cover various modifications and changes, including but not limited to the details shown in the drawings and described in the foregoing detailed description. Any modification which does not depart from the functional and structural principles of the invention is intended to be included within the scope of the following claims.
Claims (9)
1. A semi-grouted sleeve assembly, comprising: the semi-grout sleeve assembly comprises:
a first steel bar (1), the first steel bar (1) having a first external thread (11);
a second reinforcing bar (2), the second reinforcing bar (2) having a first tensile portion (21);
a first sleeve (3), the first sleeve (3) having a first internal thread (31);
the connecting sleeve (4) comprises a small-diameter section (41) and a large-diameter section (42), the small-diameter section (41) is provided with a second external thread (411), the large-diameter section (42) is provided with a third external thread (421), one end, far away from the small-diameter section (41), of the large-diameter section (42) is further provided with a steel bar accommodating groove (422) for a second steel bar (2) to move in the radial direction, and the side wall of the steel bar accommodating groove (422) is provided with a second tensile part (423);
the second sleeve (5), the second sleeve (5) is provided with a second internal thread (53), and the second sleeve (5) is provided with a grouting hole (51) and a grout outlet hole (52);
wherein the first internal thread (31) of the first sleeve (3) is in threaded connection with the first external thread (11) of the first steel bar (1) and the second external thread (411) of the connecting sleeve (4), respectively;
wherein the second steel bar (2) is positioned in the steel bar accommodating groove (422) of the connecting sleeve (4), and the first tensile part (21) of the second steel bar (2) is matched with the second tensile part (423) of the connecting sleeve (4);
wherein the second internal thread (53) of the second sleeve (5) is in threaded connection with the third external thread (421) of the connecting sleeve (4);
the grouting hole (51) and the grout outlet hole (52) of the second sleeve (5) are communicated with the steel bar accommodating groove (422) of the connecting sleeve (4);
the second reinforcing bar (2) has a plurality of first teeth and forms the first tensile portion (21), and the reinforcing bar accommodating groove (422) of the coupling sleeve (4) has a plurality of second teeth and forms the second tensile portion (423).
2. A semi-grouted sleeve assembly as claimed in claim 1, wherein: the plurality of first tooth parts are symmetrically arranged; the plurality of second tooth parts are symmetrically arranged; or
A gap (S) is formed between the first tooth part and the second tooth part.
3. A semi-grouted sleeve assembly as claimed in claim 1, wherein: the connecting sleeve (4) is integrally formed; or
A transition section (43) is arranged between the small-diameter section (41) and the large-diameter section (42) of the connecting sleeve (4).
4. A semi-grouted sleeve assembly as claimed in claim 1, wherein: the tensile strength of the first sleeve (3), the tensile strength of the connecting sleeve (4) and the tensile strength of the second sleeve (5) are all greater than the tensile strength of the first steel bar (1) and the tensile strength of the second steel bar (2).
5. A semi-grouted sleeve assembly as claimed in claim 1, wherein: the reinforcing steel bar accommodating groove (422) is a non-through groove; or
The depth of the steel bar accommodating groove (422) is larger than the diameter of the second steel bar (2).
6. A semi-grouted sleeve assembly as claimed in claim 1, wherein: and grouting materials (6) are filled between the steel bar accommodating groove (422) and the second steel bar (2).
7. A semi-grouted sleeve assembly according to any one of claims 1 to 6, wherein: the second reinforcing steel bar (2) comprises a transition sleeve (2A) and a third reinforcing steel bar (2B), the transition sleeve (2A) is provided with a first tensile portion (21), one end, far away from the first tensile portion (21), of the transition sleeve (2A) is provided with a third internal thread (22), and one end of the third reinforcing steel bar (2B) is provided with a fourth external thread (23) matched with the third internal thread (22).
8. A method for installing a semi-grouting sleeve assembly is characterized in that: the semi-grouting sleeve assembly as claimed in any one of claims 1 to 6, the installation method comprising the steps of:
s1, rotating the first sleeve (3) to enable the first sleeve (3) to be completely sleeved on the small-diameter section (41) of the connecting sleeve (4), and rotating the second sleeve (5) to enable one end, far away from the first steel bar (1), of the second sleeve (5) not to shield the steel bar accommodating groove (422) of the connecting sleeve (4);
s2, after the prefabricated part where the second steel bar (2) is located is hoisted, adjusting the position of the connecting sleeve (4) to enable the second steel bar (2) to enter the steel bar accommodating groove (422) of the connecting sleeve (4), and enabling the first tensile part (21) of the second steel bar (2) to be matched with the second tensile part (423) of the connecting sleeve (4);
s3, rotating the second sleeve (5) until the second sleeve (5) completely covers the steel bar accommodating groove (422) and the grouting hole (51) and the grout outlet (52) of the second sleeve (5) are communicated with the steel bar accommodating groove (422);
s4, adjusting the position of the connecting sleeve (4) to enable the small-diameter section (41) of the connecting sleeve (4) to correspond to the position of the first steel bar (1), and rotating the first sleeve (3) to enable the first sleeve (3) to be in threaded connection with the first steel bar (1) and the connecting sleeve (4) simultaneously;
s5, sealing the end part of the steel bar accommodating groove (422) and the second steel bar (2);
and S6, grouting and maintaining to form stable connection.
9. A method for installing a semi-grouting sleeve assembly is characterized in that: the semi-grouting sleeve assembly of claim 7, the installation method comprising the steps of:
s1, the transition sleeve (2A) is completely in threaded connection with the third steel bar (2B), the first sleeve (3) is rotated to enable the first sleeve (3) to be completely sleeved on the small-diameter section (41) of the connecting sleeve (4), and the second sleeve (5) is rotated to enable one end, far away from the first steel bar (1), of the second sleeve (5) not to shield the steel bar accommodating groove (422) of the connecting sleeve (4);
s2, after the prefabricated part where the third steel bar (2B) is located is hoisted, adjusting the position of the connecting sleeve (4) to enable the third steel bar (2B) to enter the steel bar accommodating groove (422) of the connecting sleeve (4), and enabling the first tensile part (21) of the transition sleeve (2A) to be matched with the second tensile part (423) of the connecting sleeve (4);
s3, rotating the second sleeve (5) until the second sleeve (5) completely covers the steel bar accommodating groove (422) and the grouting hole (51) and the grout outlet (52) of the second sleeve (5) are communicated with the steel bar accommodating groove (422);
s4, adjusting the position of the connecting sleeve (4) to enable the small-diameter section (41) of the connecting sleeve (4) to correspond to the position of the first steel bar (1), and rotating the first sleeve (3) to enable the first sleeve (3) to be in threaded connection with the first steel bar (1) and the connecting sleeve (4) simultaneously;
s5, sealing the end part of the steel bar accommodating groove (422) and the second steel bar (2);
and S6, grouting and maintaining to form stable connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010812862.XA CN112049327B (en) | 2020-08-13 | 2020-08-13 | Semi-grouting sleeve assembly and mounting method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010812862.XA CN112049327B (en) | 2020-08-13 | 2020-08-13 | Semi-grouting sleeve assembly and mounting method thereof |
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| CN112049327B true CN112049327B (en) | 2021-11-12 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112575967A (en) * | 2020-12-29 | 2021-03-30 | 浙江省建筑科学设计研究院有限公司 | Novel grout sleeve subassembly and prefabricated component steel bar connection structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2323267A1 (en) * | 1972-05-09 | 1973-11-29 | Stricon Products Ltd | DEVICE FOR APPLYING A CONNECTING SLEEVE ON TWO RODS, IN PARTICULAR REINFORCEMENT STEELS |
| EP2672012A1 (en) * | 2011-03-02 | 2013-12-11 | Nippon Steel & Sumitomo Metal Corporation | Connecting structure for connecting steel pipe pile and steel outer pipe |
| CN203654764U (en) * | 2013-11-15 | 2014-06-18 | 北京市燕通建筑构件有限公司 | Split combined type grouting sleeve |
| CN105484430A (en) * | 2016-01-19 | 2016-04-13 | 山东中新绿色建筑科技有限公司 | Fabricated reinforcing steel bar connecting device for buildings and assembly method of connecting device |
| CN110016995A (en) * | 2019-04-28 | 2019-07-16 | 山东大学 | A kind of three valve sleeve of slidingtype for reinforcing bar connection |
| CN210597888U (en) * | 2019-05-31 | 2020-05-22 | 湖北乾道新型材料有限责任公司 | Self-locking type steel bar connection full grouting sleeve |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3541896A1 (en) * | 1985-11-27 | 1987-07-30 | Wolfhart Andrae | Process for the tension-resistant and compression-resistant joint connection of ribbed steel reinforcing bars with the aid of a pipe sleeve |
| KR100849742B1 (en) * | 2007-01-19 | 2008-07-31 | 이종훈 | Coupler for steel reinforcement |
| KR20080111351A (en) * | 2007-06-18 | 2008-12-23 | (주)핸스건설 | Jointing structure of steel reinforcement with jointer |
| CN102116075B (en) * | 2009-12-31 | 2012-11-28 | 北京万科企业有限公司 | Novel joint prepared from cement grout and steel bars |
| CN205348589U (en) * | 2015-12-29 | 2016-06-29 | 柳州欧维姆机械股份有限公司 | One end extrusion anchored half grout sleeve steel bar connection connect |
| CN106677435A (en) * | 2017-02-28 | 2017-05-17 | 中国建筑第八工程局有限公司 | Self-locking clamping pipe type steel bar direct insertion connector |
| CN107023120B (en) * | 2017-04-21 | 2023-05-12 | 中国建筑第八工程局有限公司 | Self-locking clamping type steel bar direct-plugging connector |
| CN208168163U (en) * | 2018-03-19 | 2018-11-30 | 中国建筑第八工程局有限公司 | A kind of stirrup locator of bean column node hoop reinforcement |
| CN108915156B (en) * | 2018-08-20 | 2022-08-26 | 西北民族大学 | Combined grouting sleeve connecting structure and steel bar connecting construction method |
| CN109750793A (en) * | 2019-01-09 | 2019-05-14 | 湖北工业大学 | A kind of precast hollow wall column and its construction method |
| CN210316227U (en) * | 2019-05-30 | 2020-04-14 | 广东联城住工装备信息科技有限公司 | Grouting sleeve, steel bar joint connecting structure and assembly type building |
| CN111173200A (en) * | 2020-03-11 | 2020-05-19 | 吴美君 | Grouting sleeve for assembly type building construction and installation method thereof |
| CN111305473A (en) * | 2020-03-24 | 2020-06-19 | 中建科技有限公司 | Sleeve grouting connection joint, connection structure of prefabricated parts and construction method of connection structure |
-
2020
- 2020-08-13 CN CN202010812862.XA patent/CN112049327B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2323267A1 (en) * | 1972-05-09 | 1973-11-29 | Stricon Products Ltd | DEVICE FOR APPLYING A CONNECTING SLEEVE ON TWO RODS, IN PARTICULAR REINFORCEMENT STEELS |
| EP2672012A1 (en) * | 2011-03-02 | 2013-12-11 | Nippon Steel & Sumitomo Metal Corporation | Connecting structure for connecting steel pipe pile and steel outer pipe |
| CN203654764U (en) * | 2013-11-15 | 2014-06-18 | 北京市燕通建筑构件有限公司 | Split combined type grouting sleeve |
| CN105484430A (en) * | 2016-01-19 | 2016-04-13 | 山东中新绿色建筑科技有限公司 | Fabricated reinforcing steel bar connecting device for buildings and assembly method of connecting device |
| CN110016995A (en) * | 2019-04-28 | 2019-07-16 | 山东大学 | A kind of three valve sleeve of slidingtype for reinforcing bar connection |
| CN210597888U (en) * | 2019-05-31 | 2020-05-22 | 湖北乾道新型材料有限责任公司 | Self-locking type steel bar connection full grouting sleeve |
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|---|---|
| CN112049327A (en) | 2020-12-08 |
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