CN210262683U - Adopt integral grout sleeve's structural connection section and assembled pier stud - Google Patents
Adopt integral grout sleeve's structural connection section and assembled pier stud Download PDFInfo
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- CN210262683U CN210262683U CN201921115230.7U CN201921115230U CN210262683U CN 210262683 U CN210262683 U CN 210262683U CN 201921115230 U CN201921115230 U CN 201921115230U CN 210262683 U CN210262683 U CN 210262683U
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Abstract
The utility model discloses a structural connection section and an assembled pier stud adopting an integral grouting sleeve, wherein the structural connection section comprises a male section and a female section, the male section comprises a first body, a first assembly end and a second assembly end, at least two longitudinal ribs are arranged in the first body, each longitudinal rib runs through the first body and extends out of the two assembly ends; the female segment comprises a second body, a third assembly end and a fourth assembly end, the height of the second body is greater than or equal to the sum of the lengths of the longitudinal ribs extending out of the first assembly end and the second assembly end, an integral grouting sleeve is arranged in the second body, at least two single box chambers are arranged in the integral grouting sleeve, each single box chamber is of a steel box body structure with an upper opening and a lower opening, and the number, the position and the cross section size of each single box chamber are matched with the longitudinal ribs; the first assembling end and the third assembling end are provided with shear keys A, the second assembling end and the fourth assembling end are provided with shear keys B, and the shear keys A and the shear keys B are matched; all the splicing ends are provided with grooves with the same shape and size.
Description
Technical Field
The utility model relates to a bridge engineering technical field, especially an adopt telescopic structural connection section of integral grout and assembled pier stud.
Background
In municipal traffic engineering and railway engineering, the design, manufacture and construction of section fabricated beams are mature, the existing beam manufacturing methods such as a long line method and a short line method are widely applied to the construction of large and small bridges, and bridge piers are mainly constructed in a cast-in-place manner to cause long construction period of the whole bridge, so that the method is one of important obstacles for realizing full-bridge fabricated type and limits the exertion of the advantages of fabricated structures. The integrally prefabricated pier stud is an engineering application form for realizing the prefabricated assembly of the pier stud, but the method has the outstanding problems of heavy weight, large size and volume of components, limitation of transportation and hoisting and the like. The sectional assembly type Pier Stud (PSBC) can remarkably reduce the weight and size of a prefabricated part by prefabricating and assembling the pier stud in sections.
The pier stud is used as a main lateral force resistant component, and the anti-seismic performance is a key index for evaluating the pier stud assembly type technology. The existing segmental assembling type Pier Stud (PSBC) mainly adopts dry joint connection, and two combined assembling forms are mainly adopted between segments:
the first kind of pre-stressed connected sectional assembled pier stud has its sections connected only by means of in-vitro or in-vivo pre-stressed steel bars penetrating the pier stud and discontinuous longitudinal bars. The characteristics of stress, deformation and damage of the segmental assembling type pier stud are greatly different from those of a cast-in-place pier stud. Under the action of an earthquake, the residual deformation after the earthquake is small due to the arrangement of the prestressed steel bars, but the integral energy consumption capability is poor due to the lack of continuous longitudinal bars, and the damage is brittle, so that the prestressed steel bars are not suitable for being applied to middle and high-intensity areas.
The other section assembled pier stud has seismic performance, energy-consuming reinforcing materials such as longitudinal ribs and the like are added among the sections, and the sections are mainly connected by grouting sleeves. According to the section assembly type pier stud, a plurality of grouting sleeves are required to be pre-embedded at two ends of each section of the pier stud, grouting holes and grout outlet holes are reserved for each grouting sleeve, and special grouting materials are adopted for grouting. The price of the grouting sleeve and the special grouting material is high, grouting construction is complicated, the price of connecting materials is increased along with the increase of connecting surfaces, construction time is prolonged, and the engineering application value of the segment assembled pier stud adopting the method is severely limited.
SUMMERY OF THE UTILITY MODEL
The invention of the utility model aims to: to the problem that prior art exists, provide an adopt telescopic structural connection section of integral grout and assembled pier stud, can reduce construction cost and the degree of difficulty, further improvement subassembly is standardized, better carry out industrialization batch production.
In order to realize the purpose, the utility model discloses a technical scheme be:
a structural joint section using an integral grout sleeve comprises a male section and a female section;
the male section comprises a first body, a first assembling end and a second assembling end are arranged on the first body, at least two longitudinal ribs are arranged in the first body, and each longitudinal rib penetrates through the first body and extends out of the first assembling end and the second assembling end respectively;
the female segment comprises a second body, a third assembly end and a fourth assembly end are arranged on the second body, the height of the second body is larger than or equal to the sum of the lengths of the longitudinal ribs extending out of the first assembly end and the second assembly end, an integral grouting sleeve is further arranged in the second body, the integral grouting sleeve is of a steel cylinder structure with an upper opening and a lower opening, the integral grouting sleeve comprises at least two single box chambers, each single box chamber is of a steel box structure with an upper opening and a lower opening, and the number, the position and the cross section size of each single box chamber are matched with the longitudinal ribs;
the first assembling end and the third assembling end are provided with shear keys A, the second assembling end and the fourth assembling end are provided with shear keys B, and the shear keys A and the shear keys B are matched;
the first end of assembling and the second end of assembling all are equipped with first annular groove, the third end of assembling and the fourth end of assembling all are equipped with second annular groove, first annular groove is the same with the shape size of second annular groove.
To many, the muscle of indulging of prefabricated segment assembled pier stud seam and be difficult to lead to long arranging, and then influence practical problem such as economic nature and practicality, design two kinds of standard segments with prefabricated segment, the first kind is for joining in marriage the muscle segment (public segment) of indulging, and the second kind is connected segment (female segment). The longitudinal ribs of the male section extend out, generally without hooks, and extend into the single box chamber of the female section for grouting connection. A female segment can be connected with an upper male segment and a lower male segment, and the continuity of the longitudinal bar mechanics of the segment assembly type pier stud can be realized by designing the male segment and the female segment. And adopt integral grout sleeve, a set of grout sleeve can connect all vertical muscle, with grout sleeve direct embedded in female festival section, is showing the construction degree of difficulty and the cost that have reduced seam crossing, has reduced the difficult connection because of the segmentation brings. Furthermore, concrete shear keys are arranged on the contact surfaces of the male segment and the female segment, so that the shear resistance is improved, and meanwhile, the positioning and the limiting in the installation process are realized. The first annular groove and the second annular groove that seam crossing set up between the festival use with the sealing material cooperation, improve the sealing performance between the festival, satisfy the operation requirement of pier stud durability, reduced the construction degree of difficulty and cost simultaneously, improve the engineering using value of festival section assembled pier stud.
Meanwhile, the male segment and the female segment are parts of pier column structures, and the requirements of corresponding structural strength and rigidity are met. The female segment and the male segment are equivalent in length, and the cross-sectional dimension of the female segment is consistent with that of the male segment. The lengths of the single box chamber and the female segment are equal, the opening is large, the minimum bonding length corresponding to the longitudinal ribs with different sizes does not play a role in design, the common high-strength mortar or self-leveling concrete grouting construction can be realized, the grouting construction of high-price special materials such as bonding mortar is not needed, the material cost is saved, and the construction difficulty is reduced. The integral grouting sleeve is arranged in the female segment, the bearing capacity of the female segment can be designed according to a concrete-filled steel tube design method, structural stressed longitudinal bars and stirrups do not need to be arranged additionally, only a small amount of structural reinforcing mesh is arranged, and the connection with the integral sleeve is reinforced, so that the bending bearing capacity of the female segment is larger than or equal to that of an adjacent male segment, the bonding length meets the requirement of the minimum bonding length, the bonding strength at the joint does not play a role in control, the design method of the segment assembly pier is consistent with that of a cast-in-place pier, and the design difficulty is reduced. And the assembly process adopts consistent construction procedures, so that the construction difficulty is reduced. If the single line consumption is large, the industrial production is realized by designing the standard segment, and the prefabrication processing cost of the segment can be further reduced.
As the utility model discloses an optimal selection scheme, all the single-box room communicates each other, and the slip casting of being convenient for improves slip casting efficiency, guarantees that the equal slip casting of each single-box room is even.
As the utility model discloses a preferred scheme, integral grout sleeve includes inner wall and outer wall, open-ended tubular structure about inner wall and outer wall enclose, be connected with a plurality of division board between inner wall and the outer wall, the division board will regional division between inner wall and the outer wall becomes at least two single-box room. Simple structure and convenient manufacture.
As the utility model discloses a preferred scheme, every the intercommunication mouth has all been seted up on the division board for communicate each single-box room.
As the utility model discloses an optimal scheme, inner wall, outer wall, division board are the steel sheet for satisfy the structure atress demand.
As the utility model discloses an optimal scheme, the division board is corrugated steel plate, does not influence integral grout sleeve's structure atress characteristic when improving the adhesion strength of bonding reinforcing bar.
As the preferred scheme of the utility model, every the cross sectional area of single case room does indulge muscle cross sectional area's 1.3-1.8 times, can encrypt the arrangement of indulging the muscle by a wide margin.
As the utility model discloses a preferred scheme, indulge the muscle and stretch out the first length that assembles the end is less than or equal to stretch out the length that the end was assembled to the second. When the lengths of the male segment and the female segment are equal, the two assembled ends of the male segment have the same structure, and the male segment is convenient to process and assemble.
As the utility model discloses an optimal scheme, shear force key A is groove structure, shear force key B is protruding structure, also can design into the shear force key or the shear force key combination of other forms, as long as can realize that the concrete shear effect can, satisfy relevant standard and receive to cut the bearing capacity designing requirement can.
The utility model also discloses an assembled pier stud, arbitrary including a plurality of adopt telescopic structural connection section of integral grout, public festival section and female festival section are assembled each other, public festival section's the muscle of indulging stretches into in the single case room of female festival section, just single case room is filled there is the bonding material, female festival section's shear force key B and public festival section's shear force key A are assembled to counterpointing, first annular groove and the annular groove of second department all fill there is sealing material. Specifically, epoxy glue can be uniformly coated on all the first annular grooves and all the second annular grooves, the waterproof coiled material is wound and pasted, sealing glue is coated, and the sealing glue is scraped and smoothed.
The utility model discloses assemble the assembled pier stud that forms, have pass power reliable, be convenient for make, seam construction advantage such as convenient, can realize standardized construction, can realize assembling of arbitrary high pier stud.
As the preferred scheme of the utility model, female segmental shear force key B and male segmental shear force key A are to the counterpoint and are assembled, can replace to, male segmental shear force key B and female segmental shear force key A are to the counterpoint and are assembled.
As the preferred scheme of the utility model, the seam crossing of public festival section and female festival section is also filled with bond material for improve joint strength.
To sum up, owing to adopted above-mentioned technical scheme, adopt integral grout sleeve's structural connection section's beneficial effect is:
through designing public festival section and female festival section, can realize that the continuity of muscle mechanics is indulged between each festival section of section assembled pier stud, and adopt integral grout sleeve, one set of grout sleeve can connect all muscle of indulging, with the direct embedded of grout sleeve in female festival section, reduced because of the degree of difficulty and the cost of the connection construction that the segmentation brought. The standardization degree of the components can be further improved, industrial batch production can be better carried out, and the processing cost is further reduced.
Assembled pier stud's beneficial effect be:
the utility model discloses assemble the assembled pier stud that forms, have pass power reliable, be convenient for make, seam construction advantage such as convenient, can realize standardized construction, can realize assembling of arbitrary high pier stud.
Drawings
Fig. 1 is a front view of a male segment according to the present invention.
Fig. 2 is a top view of a male segment according to the present invention.
Fig. 3 is a top view of a male segment according to the present invention.
Fig. 4 is an elevation view of a female segment according to the present invention.
Fig. 5 is a top view of a female segment according to the present invention.
Fig. 6 is a top view of a female segment according to the present invention.
Fig. 7 is a schematic diagram of the assembly of the male segment and the female segment according to the present invention.
Fig. 8 is a sectional view of the male segment and the female segment of the present invention.
The labels in the figure are: 1-male segment, 10-first body, 11-first splicing end, 12-second splicing end, 13-longitudinal rib, 14-first annular groove; 2-female segment, 20-second body, 201-second annular groove, 21-third assembly end, 22-fourth assembly end, 23-integral grouting sleeve, 24-single box chamber, 25-communication port, 26-inner wall, 27-outer wall, 28-partition plate; 3-shear bond A, 4-shear bond B, 5-bonding material.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Example 1
A structural joint section using an integral grout sleeve comprises a male section 1 and a female section 2.
As shown in fig. 1, the male segment 1 comprises a first body 10, the first body 10 is a reinforced concrete structure, and a stirrup can be arranged in the body 10. The first body 10 is provided with a first assembling end 11 and a second assembling end 12, and the first assembling end 11 and the second assembling end 12 are used for being assembled with the female segment 2. At least two longitudinal ribs 13 are arranged in the first body 10, and each longitudinal rib 13 penetrates through the first body 10 and extends out of the first assembling end 11 and the second assembling end 12 respectively. In this embodiment, it is preferable that the length of the longitudinal rib 13 extending out of the first splicing end 11 is equal to the length of the longitudinal rib extending out of the second splicing end 12. As shown in fig. 2-3, the male segment 1 may be circular or square in cross-section.
Further, in order to meet the design requirement of the shear bearing capacity, the first assembling end 11 of the male segment 1 is provided with a shear key A3, the second assembling end 12 is provided with a shear key B4, and the shear key A3 is matched with the shear key B4. The shear key may include various structural forms, in this embodiment, the shear key a3 is a tapered groove structure, and the shear key B4 is a protrusion structure, and is a tapered head structure. And the size (cross section and height) of the shear key A3 is slightly larger than that of the shear key B4, so that the alignment and assembly are facilitated.
As shown in fig. 4, the female segment 2 includes a second body 20, the second body 20 is a reinforced concrete structure, and a steel mesh may be disposed in the second body 20. The second body 20 is provided with a third assembling end 21 and a fourth assembling end 22, and the third assembling end 21 and the fourth assembling end 22 are used for assembling with the male segment 1.
In order to be assembled with the upper and lower male segments 1, the height of the second body 20 is greater than or equal to the sum of the lengths of the longitudinal ribs 13 extending out of the first splicing end 11 and the second splicing end 12. An integral grouting sleeve 23 is further arranged in the second body 20, and the integral grouting sleeve 23 is of a steel cylinder structure with an upper opening and a lower opening. The integral grouting sleeve 23 comprises at least two single box chambers 24 which are communicated with each other, each single box chamber 24 is a steel box body structure with an upper opening and a lower opening, and the number, the position and the cross section size of the single box chambers 24 are matched with those of the longitudinal ribs 13. As shown in fig. 5-6, the female segment 2 may have a circular cross section or a square cross section, and the cross-sectional forms and sizes of the female segment 2 and the male segment 1 are consistent.
Specifically, the integral grouting sleeve 23 comprises an inner wall 26 and an outer wall 27, the inner wall 26 and the outer wall 27 are enclosed to form a cylindrical structure with an upper opening and a lower opening, a plurality of partition plates 28 are connected between the inner wall 26 and the outer wall 27, each partition plate 28 is provided with a communication port 25, and the partition plates 28 divide the area between the inner wall 26 and the outer wall 27 into at least two single-box chambers 24 which are communicated with each other. The inner wall 26, the outer wall 27 and the partition plate 28 are all of steel plate structures.
Further, in order to meet the design requirement of the shear bearing capacity, the third splicing end 21 of the female segment 2 is provided with a shear key A3, the fourth splicing end 22 is provided with a shear key B4, and the shear key A3 is matched with the shear key B4. The shear key may include various structural forms, in this embodiment, the shear key a3 is a tapered groove structure, and the shear key B4 is a protrusion structure, and is a tapered head structure. And the size (cross section and height) of the shear key A3 is slightly larger than that of the shear key B4, so that the alignment and assembly are facilitated.
In addition, in order to meet the sealing requirement, a first annular groove 14 is arranged at each of the first assembled end 11 and the second assembled end 12 of the male segment 1, a second annular groove 201 is arranged at each of the third assembled end 21 and the fourth assembled end 22 of the female segment 2, and the first annular groove 14 and the second annular groove 201 are identical in shape and size. When the sections are assembled, epoxy glue is uniformly smeared at the first annular groove 14 and the second annular groove 25 of two adjacent sections, waterproof coiled materials are wound and pasted, sealing glue is smeared, and the sections are scraped and repaired.
Example 2
The present embodiment is different from embodiment 1 in that the partition plate 28 is a corrugated steel plate, which improves the adhesion force of the bonding steel bar without affecting the structural stress characteristics of the integral grouting sleeve.
Example 3
As shown in fig. 7 to 8, a fabricated pier stud comprises a plurality of male segments 1 and female segments 2. The male section 1 and the female section 2 are mutually assembled, when the male section 1 and the female section 2 are assembled, the longitudinal ribs 13 of the male section 1 extend into the single box chamber 24 of the female section 2, and the single box chamber 24 is filled with the bonding material 5.
Specifically, the assembly can be performed as follows:
the method comprises the following steps: after the male segment 1 is assembled, the longitudinal ribs 13 of the male segment 1 are wetted by tap water, the bonding material 5 is coated on the first assembling end 11 of the assembled male segment 1, the roughened surface is wetted and leveled, and the bonding material 5 (high-strength mortar, self-leveling concrete and the like) which is at least one of four times of the volume of the groove is filled into the shear key A3 of the male segment 1. Then, wetting a single box chamber 24 of the female segment 2 to be assembled with tap water, hoisting the female segment 2 to the upper side of the male segment 1, aligning a fourth assembling end 22 of the female segment 2 with a first assembling end 11 of the male segment 1, aligning and assembling the single box chamber 24 of the female segment 2 to a longitudinal rib 13 of the male segment 1, and aligning and assembling a shear key B4 of the female segment 2 to a shear key A3 of the male segment 1;
step two: filling the single box chamber 24 of the female segment 2 with the bonding material 5 until the bonding material 5 overflows, and uniformly coating the overflowing bonding material 5 on the third assembling surface 21 of the female segment 2 to ensure that at least one fourth of the volume of the groove of the bonding material 5 is filled in the shear key A3 of the female segment 2;
step three: hoisting another male segment 1 over the female segment 2, the second assembly surface 12 of another male segment 1 being aligned with the third assembly surface 21 of the female segment 2;
step four: inserting the longitudinal bar 13 of another male segment 1 into the single box chamber 24, vibrating the longitudinal bar by a vibrating successive rod with a small diameter to assist the insertion in the process of inserting into the single box chamber 24, extruding the redundant bonding material 5 by the self weight of the segment, and aligning and assembling the shear key B4 of another male segment 1 to the shear key A3 of the female segment 2;
step five: repeating the first step to the fourth step until all the male sections 1 and the female sections 2 are assembled;
step six: accomplish all public section 1 and female section 2 assemble the back, clear up all first annular groove 14 and the annular groove 201 of second, treat after cohering material 5 reaches design strength (with time control), evenly paint epoxy at all first annular groove 14 and the annular groove 201 department of second and glue, waterproof coiled material is pasted in the winding, waterproof coiled material's winding width is the high sum of first annular groove 14 and the annular groove 201 of second, and winding thickness is less than the degree of depth of first annular groove 14/the annular groove 201 of second is smeared again and is sealed gluey, scrapes the benefit and evens.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A structural joint section using an integral grout sleeve, comprising a male section (1) and a female section (2);
the male segment (1) comprises a first body (10), a first assembling end (11) and a second assembling end (12) are arranged on the first body (10), at least two longitudinal ribs (13) are arranged in the first body (10), and each longitudinal rib (13) penetrates through the first body (10) and extends out of the first assembling end (11) and the second assembling end (12) respectively;
the female segment (2) comprises a second body (20), a third assembling end (21) and a fourth assembling end (22) are arranged on the second body (20), the height of the second body (20) is larger than or equal to the sum of the lengths of the longitudinal ribs (13) extending out of the first assembling end (11) and the second assembling end (12), an integral grouting sleeve (23) is further arranged in the second body (20), the integral grouting sleeve (23) comprises at least two single box chambers (24), each single box chamber (24) is a steel box structure with an upper opening and a lower opening, and the number, the position and the cross section size of the single box chambers (24) are matched with the longitudinal ribs (13);
the first assembling end (11) and the third assembling end (21) are provided with shear keys A (3), the second assembling end (12) and the fourth assembling end (22) are provided with shear keys B (4), and the shear keys A (3) and the shear keys B (4) are matched;
first end (11) and the second of assembling are assembled end (12) and are all equipped with first annular groove (14), end (21) and fourth are assembled end (22) and are all equipped with second annular groove (201) to the third, the shape size of first annular groove (14) and second annular groove (201) is the same.
2. A structural joint using an integral grouting sleeve according to claim 1, characterised in that all the single chambers (24) communicate with each other.
3. A structural joint section using an integral grouting sleeve according to claim 1, characterised in that the integral grouting sleeve (23) comprises an inner wall (26) and an outer wall (27), the inner wall (26) and the outer wall (27) enclose a cylindrical structure which is open at the top and the bottom, a plurality of partition plates (28) are connected between the inner wall (26) and the outer wall (27), and the partition plates (28) divide the area between the inner wall (26) and the outer wall (27) into at least two single boxes (24).
4. A structural joint section using an integral grouting sleeve according to claim 3, characterised in that each partition plate (28) is provided with a communication port (25).
5. A structural joint using an integral grouting sleeve according to claim 3, characterised in that the inner wall (26), the outer wall (27) and the dividing plate (28) are all steel plates.
6. A structural joint section using an integral grouting sleeve according to claim 4, characterised in that the partition plate (28) is a corrugated steel plate.
7. A structural joint section using an integral grouting sleeve according to any one of claims 1-6, characterised in that the length of the longitudinal ribs (13) extending out of the first splicing end (11) is less than or equal to the length of the longitudinal ribs extending out of the second splicing end (12).
8. An assembled pier stud, which is characterized by comprising a plurality of structural connecting sections adopting integral grouting sleeves according to any one of claims 1 to 7, wherein a male section (1) and a female section (2) are assembled with each other, longitudinal ribs (13) of the male section (1) extend into a single box chamber (24) of the female section (2), the single box chamber (24) is filled with a bonding material (5), a shear key B (4) of the female section (2) and a shear key A (3) of the male section (1) are assembled in an aligned mode, and sealing materials are filled in the first annular groove (14) and the second annular groove (201).
9. The assembled pier stud of claim 8, wherein the shear key B (4) of the female segment (2) and the shear key A (3) of the male segment (1) are assembled in a contraposition mode, and the shear key B (4) of the male segment (1) and the shear key A (3) of the female segment (2) can be assembled in a contraposition mode.
10. Assembly type pier stud according to claim 8, characterized in that the joint between the male (1) and female (2) sections is also filled with the cementitious material (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921115230.7U CN210262683U (en) | 2019-07-16 | 2019-07-16 | Adopt integral grout sleeve's structural connection section and assembled pier stud |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921115230.7U CN210262683U (en) | 2019-07-16 | 2019-07-16 | Adopt integral grout sleeve's structural connection section and assembled pier stud |
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| Publication Number | Publication Date |
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| CN210262683U true CN210262683U (en) | 2020-04-07 |
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| CN201921115230.7U Active CN210262683U (en) | 2019-07-16 | 2019-07-16 | Adopt integral grout sleeve's structural connection section and assembled pier stud |
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| Country | Link |
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| CN (1) | CN210262683U (en) |
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