CN210117651U - High-support anti-wind damping grasping anchoring system for high bridge - Google Patents
High-support anti-wind damping grasping anchoring system for high bridge Download PDFInfo
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- CN210117651U CN210117651U CN201920369311.3U CN201920369311U CN210117651U CN 210117651 U CN210117651 U CN 210117651U CN 201920369311 U CN201920369311 U CN 201920369311U CN 210117651 U CN210117651 U CN 210117651U
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Abstract
A high-support anti-wind shock-absorbing grasping anchoring system for a high bridge relates to the technical field of buildings. The existing steel structure support is connected by flanges, is easy to deform and dislocate under the condition of strong wind, and has potential safety hazards. The annular steel wire rope anchor comprises support sections, annular steel wire rope anchors and steel wire ropes, each annular steel wire rope anchor comprises an annular tensioning end anchor seat and an annular fixed end anchor seat, multiple sections of support sections are connected into a high support, two adjacent sections of support sections are connected through flanges, one annular steel wire rope anchor is arranged on two adjacent support sections, one annular tensioning end anchor seat is sleeved on the support section above the upper portion, one annular fixed end anchor seat is sleeved on the support section below the lower portion, the steel wire ropes are arranged between two adjacent sections of support sections up and down side by side along the circumferential direction of the support sections, the tensioning ends of the steel wire ropes are fixedly arranged on the annular tensioning end anchor seats, and the fixed ends of the steel wire ropes are fixedly arranged on the annular fixed end. The utility model is used for high bridge is with high support anti-wind shock attenuation.
Description
Technical Field
The utility model relates to a building technical field, in particular to anchor system is firmly grasped with high support anti-wind shock attenuation to high bridge.
Background
In the high altitude support work progress under the strong wind environmental condition, not only guarantee the safety in production, but also need strictly control each aspect such as factor of safety, structural stability, rigidity, wind resistance, the steel structure support mostly all adopts the ring flange to connect just at present, this kind of connected mode is simple, be convenient for connect and demolish, construction progress has been improved, but this kind of connected mode has a drawback under the strong wind environmental condition, just because site worker's construction operation difference, some screwed up the meeting requirements, but some parts are not conform to the requirements, because strong wind produces deformation, dislocation easily to its long-time influence, this buries more serious potential safety hazard just to subsequent construction.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that needs to solve is: the existing steel structure support adopts a flange connection mode, is easy to deform and dislocate under the condition of strong wind, buries a more serious potential safety hazard for subsequent construction, and then provides a high support wind-resistant damping grasping anchoring system for a high bridge.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be:
the high-support wind-resistant shock-absorbing grasping anchoring system comprises a plurality of sections of support sections, a plurality of annular steel wire rope anchors and a plurality of steel wire ropes, wherein each annular steel wire rope anchor comprises an annular tensioning end anchor seat and an annular fixed end anchor seat, the plurality of sections of support sections are fixedly connected into a high support along the vertical direction, two adjacent sections of support sections are fixedly connected through flanges, one annular steel wire rope anchor is arranged on each two adjacent support sections, the annular tensioning end anchor seat is sleeved on the upper support section and is positioned at the lower end of the support section, the annular fixed end anchor seat is sleeved on the lower support section and is positioned at the upper end of the support section, the support section at the top end is sleeved with the annular tensioning end anchor seat only at the lower end, and the support section at the bottom end is sleeved with the annular fixed end anchor seat only at the upper end, an annular fixed end anchor seat and an annular tensioning end anchor seat are sleeved on each of the rest support sections in a vertical and parallel mode, a plurality of steel wire ropes are fixedly installed between two sections of support sections which are adjacent from top to bottom in the vertical and parallel mode along the circumferential direction of the support sections, the tensioning ends of the steel wire ropes are fixedly installed on the annular tensioning end anchor seats, and the fixed ends of the steel wire ropes are fixedly installed on the annular fixed end anchor seats.
Furthermore, the number of the bracket segments is 4-20.
Furthermore, the high-support wind-resistant damping grasping anchoring system further comprises an annular steel strand anchorage device and a plurality of steel strands, wherein the annular steel strand anchorage device is fixedly installed on the support section of the bottom end and is located below the annular fixed end anchor seat, and the plurality of steel strands are vertically and fixedly installed between the annular steel strand anchorage device and the foundation side by side.
Furthermore, the annular steel wire rope anchorage device also comprises a plurality of sleeves, the annular tensioning end anchor seat and the annular fixed end anchor seat are the same, the annular tensioning end anchor seat is formed by sequentially connecting a plurality of arc-shaped anchor seats around the annular surface of the bracket section, the annular fixed end anchor seat is formed by sequentially connecting a plurality of arc-shaped anchor seats around the annular surface of the bracket section, a plurality of through grooves are uniformly and vertically arranged on each arc-shaped anchor seat side by side, each sleeve is arranged corresponding to one through groove, the sleeve is positioned at the outer side end of the through groove, the tensioning end of the steel wire rope penetrates through the through groove from the inner side end of the through groove on the annular tensioning end anchor seat and extends into the adjacent sleeve, the end head of the tensioning end of the steel wire rope is folded in half and fixedly installed in the sleeve, the fixed end of the steel wire rope penetrates through the through groove from the inner side end of the through groove in the annular fixed end anchor block and extends into the adjacent sleeve, and the end head of the fixed end of the steel wire rope is folded in half and fixedly installed in the sleeve.
Furthermore, the annular steel wire rope anchorage device further comprises a plurality of gaskets, and the gaskets are sleeved on the tensioning ends of the steel wire ropes and are positioned between the sleeves and the outer ends of the through grooves.
Furthermore, the through groove is a dovetail groove or a circular groove.
Furthermore, the through groove is a circular groove, and the radius of the through groove is 0.3-1 mm larger than that of the steel wire rope.
Furthermore, the through groove is a dovetail groove, and the width of the through groove is 0.6-2 mm larger than the diameter of the steel wire rope.
Furthermore, the distance between the annular tensioning end anchor seat on each section of the support section and the lower end face of the support section where the annular tensioning end anchor seat is located is 1/4-1/3 of the length of the whole support section, the distance between the annular fixing end anchor seat and the upper end face of the support section where the annular fixing end anchor seat is located is 1/4-1/3 of the length of the whole support section, and the distance between the annular steel strand anchor on the support section at the bottom end and the foundation is 1/4-1/3 of the length of the support section where the annular steel strand anchor is located.
Further, the steel wire rope is a low-relaxation steel wire rope, and the steel strand is a low-relaxation steel strand.
The utility model has the advantages that:
1. the utility model can increase the rigidity among the sections of the multi-section bracket, and tightly grasp and anchor the multi-section bracket with the ground;
2. the utility model can effectively reduce the structure flexibility, reduce the deformation under the action of hurricane, increase the wind resistance, reduce the wind vibration influence and increase the safety factor of the steel structure through the connection between each standard knot of the steel structure;
3. the utility model provides a firm anchor system anti-wind damping effect is obvious in high support anti-wind shock attenuation, and application scope is wide, and the practicality is strong.
Drawings
FIG. 1 is a schematic view of an anchoring system between two adjacent strut segments;
FIG. 2 is a schematic view of an anchoring system between a scaffold section at the bottom end and a foundation;
FIG. 3 is a schematic view of a full-root high-mount anchoring system;
FIG. 4 is a schematic view of a first arcuate tension anchor;
FIG. 5 is a schematic structural view of the sleeve;
FIG. 6 is a schematic view of a gasket;
FIG. 7 is a schematic view of an anchoring system formed by two looped wire rope anchors.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings:
the first embodiment is as follows: as shown in fig. 1 and 3, the high-support wind-resistant, shock-absorbing, grasping and anchoring system according to the present embodiment includes a plurality of support sections 1, a plurality of annular steel wire rope anchors 2, and a plurality of steel wire ropes 3, the annular steel wire rope anchors 2 include an annular tension end anchor base and an annular fixed end anchor base,
the multi-section bracket sections 1 are fixedly connected into a high bracket along the vertical direction, wherein two adjacent bracket sections 1 are fixedly connected through flanges, two adjacent bracket sections 1 are provided with an annular steel wire rope anchorage device 2, wherein an annular tensioning end anchorage base is sleeved on the bracket section 1 above or fixedly arranged in the bracket section 1 above, the annular tensioning end anchorage base is arranged at the lower end of the bracket section 1, the annular fixing end anchorage base is sleeved on the bracket section 1 below or fixedly arranged in the bracket section 1 below, the annular fixing end anchorage base is arranged at the upper end of the bracket section 1, the bracket section 1 at the top end is only sleeved with an annular tensioning end anchorage base at the lower end, the bracket section 1 at the bottom end is only sleeved with an annular fixing end anchorage base above, and the annular anchorage base and the annular tensioning end anchorage base are respectively sleeved on each of the rest bracket sections 1 side by side up and down,
a plurality of steel wire ropes 3 are vertically and fixedly arranged between two sections of the upper and lower adjacent support sections 1 side by side along the circumferential direction of the support sections 1, the tensioning ends of the steel wire ropes 3 are fixedly arranged on an annular tensioning end anchor base, and the fixed ends of the steel wire ropes 3 are fixedly arranged on an annular fixed end anchor base.
The high support is used during high-bridge hole-by-hole construction, the steel wire rope anchoring system can increase the rigidity among the high support sections, and the steel wire rope anchoring system has the functions of effectively reducing the structural flexibility, reducing the deformation under the action of hurricanes, increasing the wind resistance and reducing the wind vibration influence. The utility model provides a firm anchor system anti-wind damping effect is obvious in high support anti-wind shock attenuation, and application scope is wide, and the practicality is strong.
The second embodiment is as follows: the number of the bracket segments is 1 to 4-20.
The third concrete implementation mode: as shown in fig. 2, the high-support wind-resistant and shock-absorbing grasping anchoring system of the embodiment further includes an annular steel strand anchor 4 and a plurality of steel strands 5, the annular steel strand anchor 4 is fixedly installed on the support section 1 at the bottom end, the annular steel strand anchor 4 is located below the annular fixed end anchor seat, and the plurality of steel strands 5 are vertically and fixedly installed between the annular steel strand anchor 4 and the foundation 6 side by side.
The steel strand anchoring system can enable the high support and the ground to be tightly grasped and anchored, the wind resistance performance of the high support is improved, and the wind vibration influence is reduced.
Other components and connection modes are the same as those of the first embodiment.
The fourth concrete implementation mode: as shown in fig. 4, 5 and 7, the annular steel wire rope anchor 2 according to the present embodiment further includes a plurality of sleeves 2-2, the annular tensile end anchor seat and the annular fixed end anchor seat are the same, the annular tensile end anchor seat is formed by sequentially connecting a plurality of arc-shaped anchor seats 2-1 around the annular surface of the bracket section 1, the annular fixed end anchor seat is formed by sequentially connecting a plurality of arc-shaped anchor seats 2-1 around the annular surface of the bracket section 1, each arc-shaped anchor seat 2-1 is vertically provided with a plurality of through grooves 2-1-1 side by side, each sleeve 2-2 is arranged corresponding to one through groove 2-1-1, and the sleeve 2-2 is located at the outer end of the through groove 2-1-1,
as shown in fig. 7, the tensioning end of the steel wire rope 3 passes through the through groove 2-1-1 from the inner side end of the through groove 2-1-1 on the annular tensioning end anchor block and extends into the adjacent sleeve 2-2, the head of the tensioning end of the steel wire rope 3 is folded in half and fixedly installed in the sleeve 2-2, the fixed end of the steel wire rope 3 passes through the through groove 2-1-1 from the inner side end of the through groove 2-1-1 on the annular fixed end anchor block and extends into the adjacent sleeve 2-2, and the head of the fixed end of the steel wire rope 3 is folded in half and fixedly installed in the sleeve 2-2.
As shown in fig. 7, a plurality of steel wire ropes 3 fasten two adjacent bracket sections 1 through an annular tensioning end anchor socket and an annular fixed end anchor socket, so that the rigidity between the two bracket sections is increased, one ends of the steel wire ropes 3 are anchored, and the other ends of the steel wire ropes 3 are tensioned until the required requirements are met.
Other components and connection modes are the same as those of the first embodiment.
The fifth concrete implementation mode: as shown in fig. 6 and 7, the annular steel wire rope anchorage 2 according to the present embodiment further includes a plurality of spacers 2-3, and the spacers 2-3 are sleeved on the tensioned end of the steel wire rope 3 and are located between the sleeve 2-2 and the outer end of the through groove 2-1-1. Because the lengths of the steel wire ropes cannot be guaranteed to be the same, the difference between every two steel wire ropes can be several millimeters, and therefore, a gasket is needed to guarantee the stretching length
The other components and the connection mode are the same as those of the fourth embodiment.
The sixth specific implementation mode: the through groove 2-1-1 in the embodiment is a dovetail groove or a circular groove.
The other components and the connection mode are the same as those of the fourth embodiment.
The seventh embodiment: the through groove 2-1-1 is a circular groove, and the radius of the through groove 2-1-1 is 0.3-1 mm larger than that of the steel wire rope. After the steel wire rope is tensioned, glue can be poured on the notch of the through groove, or cement mortar is used for processing; the steel wire rope can be not processed because the tension of two ends of the steel wire rope is larger, and the steel wire rope has force of five to six hundred kilograms, and the steel wire rope can not be separated from the notch of the through groove generally, is designed into a groove shape and is not designed into a through hole, and is mainly favorable for the steel wire rope to be placed in the through groove.
Other components and connection modes are the same as those of the sixth embodiment.
The specific implementation mode is eight: the through groove 2-1-1 is a dovetail groove, and the width of the through groove 2-1-1 is 0.6-2 mm larger than the diameter of the steel wire rope. After the steel wire rope is tensioned, glue can be poured on the notch of the through groove, or cement mortar is used for processing; the steel wire rope can be not processed because the tension of two ends of the steel wire rope is larger, and the steel wire rope has force of five to six hundred kilograms, and the steel wire rope can not be separated from the notch of the through groove generally, is designed into a groove shape and is not designed into a through hole, and is mainly favorable for the steel wire rope to be placed in the through groove.
Other components and connection modes are the same as those of the sixth embodiment.
The specific implementation method nine: the distance between the annular tensioning end anchor base on each section of the stent section 1 and the lower end surface of the stent section 1 where the annular tensioning end anchor base is located is 1/4-1/3 of the length of the whole stent section 1, the distance between the annular fixed end anchor base and the upper end surface of the stent section 1 where the annular fixed end anchor base is located is 1/4-1/3 of the length of the whole stent section 1,
the distance between the annular steel strand anchorage 4 on the bottom end support section 1 and the foundation is 1/4-1/3 of the length of the support section 1 where the annular steel strand anchorage 4 is located.
The other components and the connection mode are the same as those of the fourth embodiment.
The detailed implementation mode is ten: the steel wire rope 3 is a low-relaxation steel wire rope, and the steel strand 5 is a low-relaxation steel strand.
The prestressed steel wire rope is a low-relaxation steel wire rope, the length of the prestressed steel wire rope is not more than 5m, the total number of the steel wire ropes between the segments is not more than 30, the diameter of the steel wire rope is 10-40 mm, the tensile strength of the steel wire rope is 1400-2000 MPa, the tensioning tonnage is 5-30 tons, the length of the steel wire rope is preferably 4m, the total number of the steel wire ropes between the segments is 16, the diameter of the steel wire rope is 20mm, the tensile strength of the steel wire rope is 1700MPa, and the tensioning tonnage is 12 tons.
The prestressed steel strand should be low-relaxation steel strand, the length of the prestressed steel strand should not exceed 10m, the total number should not exceed 18, the length of the steel strand on the ground should not exceed 4m, the anchor ground depth is between 2-6 m, the diameter of the steel strand should be between 10 mm-20 mm, the tensile strength of the steel strand is 1470-1960 KN, the tension tonnage is 15-60 tons, preferably, the length of the steel strand on the ground is 3m, the anchor ground depth is 5m, the total number of the steel strands is 12, the diameter of the steel wire rope is 15.2mm, the tensile strength of the steel strand is 1670KN, and the tension tonnage is 25 tons. And two ends of the tensioned steel strand are provided with anchoring parts, the tensioned steel strand is subjected to high-strength cement sand grouting on the lower part of the ground, and a guide is arranged at the junction with the ground to prevent the steel strand from being sheared.
Other components and connection modes are the same as those of the third embodiment.
Claims (10)
1. A high-support wind-resistant shock-absorbing grasping anchoring system for a high bridge is characterized by comprising a plurality of sections of support sections (1), a plurality of annular steel wire rope anchors (2) and a plurality of steel wire ropes (3), wherein each annular steel wire rope anchor (2) comprises an annular tensioning end anchor seat and an annular fixed end anchor seat, the plurality of sections of support sections (1) are fixedly connected into a high support along the vertical direction, two adjacent sections of support sections (1) are fixedly connected through flanges, each two adjacent support sections (1) are provided with one annular steel wire rope anchor (2), the upper support section (1) is sleeved with one annular tensioning end anchor seat, the annular tensioning end anchor seats are positioned at the lower ends of the support sections (1), the lower support section (1) is sleeved with one annular fixed end anchor seat, and the annular fixed end anchor seats are positioned at the upper ends of the support sections (1), wherein the bracket section (1) at the top end is only sleeved with an annular stretching end anchor base at the lower end, the bracket section (1) at the bottom end is only sleeved with an annular fixed end anchor base at the upper end, the rest bracket sections (1) are respectively sleeved with an annular fixed end anchor base and an annular stretching end anchor base in parallel up and down,
a plurality of steel wire ropes (3) are vertically and side by side fixedly installed between two sections of upper and lower adjacent support sections (1) along the circumferential direction of the support sections (1), the tensioning ends of the steel wire ropes (3) are fixedly installed on an annular tensioning end anchor seat, and the fixed ends of the steel wire ropes (3) are fixedly installed on an annular fixed end anchor seat.
2. The high-support wind-resistant shock-absorbing grasping and anchoring system for the high bridge according to claim 1, characterized in that the number of the support sections (1) is 4-20.
3. The high-support wind-resistant shock-absorbing grasping anchoring system for the high bridge according to claim 1, characterized in that the high-support wind-resistant shock-absorbing grasping anchoring system further comprises an annular steel strand anchorage device (4) and a plurality of steel strands (5), wherein the annular steel strand anchorage device (4) is fixedly installed on the support section (1) at the bottom end, the annular steel strand anchorage device (4) is located below the annular fixed-end anchorage seat, and the plurality of steel strands (5) are vertically and side by side fixedly installed between the annular steel strand anchorage device (4) and the foundation (6).
4. The high-support wind-resistant shock-absorbing grasping anchoring system for the high bridge according to claim 1, characterized in that the annular steel wire rope anchorage (2) further comprises a plurality of sleeves (2-2), the annular tensile end anchorage is the same as the annular fixed end anchorage, the annular tensile end anchorage is formed by sequentially connecting a plurality of arc-shaped anchorages (2-1) around the annular surface of the support section (1), the annular fixed end anchorage is formed by sequentially connecting a plurality of arc-shaped anchorages (2-1) around the annular surface of the support section (1), a plurality of through grooves (2-1-1) are uniformly and vertically arranged on each arc-shaped anchorage (2-1) side by side, each sleeve (2-2) is arranged corresponding to one through groove (2-1-1), and the sleeves (2-2) are positioned at the outer side ends of the through grooves (2-1-1),
the tensioning end of the steel wire rope (3) penetrates through the through groove (2-1-1) from the inner side end of the through groove (2-1-1) on the annular tensioning end anchor base and extends into the adjacent sleeve (2-2), the head of the tensioning end of the steel wire rope (3) is folded and fixedly installed in the sleeve (2-2), the fixed end of the steel wire rope (3) penetrates through the through groove (2-1-1) from the inner side end of the through groove (2-1-1) on the annular fixed end anchor base and extends into the adjacent sleeve (2-2), and the head of the fixed end of the steel wire rope (3) is folded and fixedly installed in the sleeve (2-2).
5. The wind-resistant shock-absorbing grasping anchoring system for the high support of the high bridge according to claim 4 is characterized in that the annular steel wire rope anchorage (2) further comprises a plurality of gaskets (2-3), and the gaskets (2-3) are sleeved on the tensioning end of the steel wire rope (3) and are positioned between the sleeve (2-2) and the outer side end of the through groove (2-1-1).
6. The high-support wind-resistant shock-absorbing grasping anchoring system for the high bridge according to claim 4, wherein the through groove (2-1-1) is a dovetail groove or a circular groove.
7. The high-support wind-resistant, shock-absorbing, grasping and anchoring system for the high bridge according to claim 6, wherein the through groove (2-1-1) is a circular groove, and the radius of the through groove (2-1-1) is 0.3-1 mm larger than that of the steel wire rope.
8. The high-support wind-resistant, shock-absorbing, grasping and anchoring system for the high bridge according to claim 6, wherein the through groove (2-1-1) is a dovetail groove, and the width of the through groove (2-1-1) is 0.6-2 mm larger than the diameter of the steel wire rope.
9. The high-support wind-resistant and shock-resistant grasping and anchoring system for the high bridge according to claim 4, wherein the distance between the annular tensioning end anchor seat on each section of the support section (1) and the lower end face of the support section (1) where the annular tensioning end anchor seat is located is 1/4-1/3 of the length of the whole support section (1), the distance between the annular fixed end anchor seat and the upper end face of the support section (1) where the annular fixed end anchor seat is located is 1/4-1/3 of the length of the whole support section (1),
the distance between the annular steel strand anchor (4) on the bottom end support section (1) and the foundation is 1/4-1/3 of the length of the support section (1) where the annular steel strand anchor is located.
10. The high-support wind-resistant shock-absorbing grasping anchoring system for the high bridge according to claim 3, characterized in that the steel wire rope (3) is a low-relaxation steel wire rope, and the steel strand (5) is a low-relaxation steel strand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920369311.3U CN210117651U (en) | 2019-03-21 | 2019-03-21 | High-support anti-wind damping grasping anchoring system for high bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920369311.3U CN210117651U (en) | 2019-03-21 | 2019-03-21 | High-support anti-wind damping grasping anchoring system for high bridge |
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| CN210117651U true CN210117651U (en) | 2020-02-28 |
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| CN201920369311.3U Active CN210117651U (en) | 2019-03-21 | 2019-03-21 | High-support anti-wind damping grasping anchoring system for high bridge |
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| CN (1) | CN210117651U (en) |
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