CN213805357U - Positioning support for tensioning and locking steel strand - Google Patents
Positioning support for tensioning and locking steel strand Download PDFInfo
- Publication number
- CN213805357U CN213805357U CN202022664026.XU CN202022664026U CN213805357U CN 213805357 U CN213805357 U CN 213805357U CN 202022664026 U CN202022664026 U CN 202022664026U CN 213805357 U CN213805357 U CN 213805357U
- Authority
- CN
- China
- Prior art keywords
- bearing plate
- shaped steel
- steel strand
- plate
- steel beam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The utility model belongs to the technical field of anti anchor rope that floats of prestressing force, concrete technical scheme is: a positioning support for tensioning and locking a steel strand, wherein one side of a bearing plate is welded on a first top wing plate of a first I-shaped steel beam, the other side of the bearing plate is welded on a second top wing plate of a second I-shaped steel beam, the first I-shaped steel beam, the second I-shaped steel beam and the bearing plate jointly form the positioning support, the positioning support is placed on a foundation base plate, an anchorage device is connected with the foundation base plate through a plurality of anchorage cables, the lower sections of the anchorage cables penetrate through the bearing plate and then are connected with the foundation base plate, the anchorage cables extend to the outer end of the bearing plate and are positioned on the bearing plate through the anchorage device, one end of the steel strand is fixed, the other end of the steel strand is fixed on the bearing plate through a lock, in the construction process, the steel strand cannot be loosened, the steel strand keeps normal tension strength, the prestress on the steel strand cannot be reduced, the construction of the prestressed anchor cable and the base valve plate is not influenced, and the economy and the practicability are good.
Description
Technical Field
The utility model belongs to the technical field of the anti anchor rope that floats of prestressing force, concretely relates to anti anchor rope that floats of prestressing force carries out the support that uses when stretch-draw locking to steel strand wires in soleplate.
Background
When the building is below the ground water level, the building is subjected to the buoyancy of water according to the Archimedes' theorem, the magnitude of the buoyancy being equal to the weight of the building displacing ground water. When the self weight of the building is less than the buoyancy, the anti-floating treatment needs to be carried out on the building: namely, the weight of the building is increased, and measures such as anti-floating anchor cables are adopted.
A connection stress point is often required in the tensioning process of the anti-floating anchor cable, and the steel strand is welded and fixed with the upper skin steel bar of the raft plate through a steel base plate in the binding process of the basic raft plate steel bar in the current common design. The upper layer of steel bars are slightly deformed in the construction process, so that the steel strands cannot be stretched, and the normal work of the anti-floating anchor cable in a normal use limit state is influenced; the anti-floating anchor rope can also deform the upper reinforcing steel bars of the raft in the process of applying prestress, and simultaneously influences the stress of the reinforcing steel bars of the basic raft.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem that prior art exists, the utility model provides a support that uses when prestressing force anti-floating anchor rope carries out the stretch-draw locking to steel strand wires in soleplate, steel strand wires can be by fine fixed at the in-process of stretch-draw, avoid steel strand wires stress relaxation phenomenon to appear.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a carry out positioning support that stretch-draw was locked to steel strand wires, including the bearing plate, parallel arrangement's first I-shaped steel roof beam and second I-shaped steel roof beam, first I-shaped steel roof beam and equal height arrangement of second I-shaped steel roof beam, first I-shaped steel roof beam and second I-shaped steel roof beam are arranged at the top of soleplate, one side welding of bearing plate is on the first top pterygoid lamina of first I-shaped steel roof beam, the opposite side welding of bearing plate is on the second top pterygoid lamina of second I-shaped steel roof beam, first I-shaped steel roof beam, second I-shaped steel roof beam and bearing plate constitute positioning support.
Form the through passage between first I-shaped steel roof beam and the second I-shaped steel roof beam, guarantee that basic valve plate steelframe can normally pass through.
The anchor device is connected with the foundation slab through a plurality of anchor cables, the anchor cables are arranged in parallel, the lower sections of the anchor cables penetrate through the bearing plate and then are connected with the foundation slab, the outer ends of the anchor cables extending to the bearing plate are positioned on the bearing plate through the anchor device, and the bearing plate is fixed on the foundation slab through the anchor cables.
The one end of steel strand wires is fixed, and the other end of steel strand wires passes through the tool to lock to be fixed on the bearing plate, and the soleplate can not warp, and the position of bearing plate can not warp promptly, and at the in-process of using, can not influence the tensile force of steel strand wires because of the deformation of upper reinforcing bar.
Wherein, as preferred, the quantity of ground tackle is three.
Compared with the prior art, the utility model, specifically beneficial effect is embodied in: the utility model discloses a bearing plate passes through the ground tackle to be fixed on soleplate, because soleplate can not warp, and steel strand wires pass through the tool to lock locking on bearing plate, and at the in-process of construction, steel strand wires can not relax, and steel strand wires keep normal tensile strength, and the prestressing force on the steel strand wires can not reduce, and the construction of prestressing anchor cable and basic valve plate respectively does not influence, and economic nature and practicality are all fine.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure, 1 is a bearing plate, 2 is a first i-shaped steel beam, 21 is a first top wing plate, 3 is a second i-shaped steel beam, 31 is a second top wing plate, 4 is a foundation bottom plate, 5 is a through channel, 6 is an anchorage device, and 7 is an anchor cable.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, a positioning bracket for tensioning and locking a steel strand comprises a bearing plate 1, a first i-shaped steel beam 2 and a second i-shaped steel beam 3 which are arranged in parallel, wherein the first i-shaped steel beam 2 and the second i-shaped steel beam 3 are arranged at the same height, the first i-shaped steel beam 2 and the second i-shaped steel beam 3 are arranged at the top of a base plate 4, one side of the bearing plate 1 is welded on a first top wing plate 21 of the first i-shaped steel beam 2, the other side of the bearing plate 1 is welded on a second top wing plate 31 of the second i-shaped steel beam 3, and the first i-shaped steel beam 2, the second i-shaped steel beam 3 and the bearing plate 1 form the positioning bracket.
Form through passage 5 between first I-shaped steel beam 2 and the second I-shaped steel beam 3, guarantee that the basic valve plate reinforcing bar can normally pass through.
Anchor 6 links to each other with soleplate 4 through many anchor ropes 7, and many anchor ropes 7 parallel arrangement, the hypomere of anchor rope 7 passes bearing plate 1 after and links to each other with soleplate 4, and anchor rope 7 extends to bearing plate 1's outer end and passes through anchor 6 and fix on bearing plate 1, and bearing plate 1 passes through many anchor ropes 7 and fixes on soleplate 4.
One end of the steel strand is fixed on the upper building framework, the other end of the steel strand is fixed on the bearing plate 1 through a lock, the foundation slab 4 cannot deform, namely, the position of the bearing plate 1 cannot deform, and the tension force of the steel strand cannot be influenced by the deformation of the upper steel bar in the using process.
Wherein, as preferred, the number of anchorages 6 is three.
The utility model discloses a work progress does: during on-site construction, the first I-shaped steel beam 2, the second I-shaped steel beam 3 and the bearing plate 1 are welded into the positioning support, the construction method firstly manufactures the manufactured positioning support, the positioning support is clamped on a cushion layer of the foundation bottom plate 4, then prestress is applied to the steel strand, the steel strand is locked on the bearing plate 1 through a lockset, and in the construction process of the foundation valve plate, the construction quality of the prestress anchor cable 7 and the construction quality of the foundation valve plate are guaranteed at the same time.
The utility model discloses a bearing plate 1 is fixed on soleplate 4 through ground tackle 6, because soleplate 4 can not warp, and the steel strand wires pass through the tool to lock locking on bearing plate 1, and at the in-process of construction, the steel strand wires can not relax, and the steel strand wires keeps normal tensile strength, and the prestressing force on the steel strand wires can not reduce, and the construction of prestressing anchor cable 7 and basic valve plate respectively does not influence, and economic nature and practicality are all fine.
The foregoing is considered as illustrative and not restrictive of the preferred embodiments of the invention, and any modifications, equivalents and improvements made within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (2)
1. The positioning support for tensioning and locking the steel strand is characterized by comprising a bearing plate (1), a first I-shaped steel beam (2) and a second I-shaped steel beam (3) which are arranged in parallel, wherein the first I-shaped steel beam (2) and the second I-shaped steel beam (3) are arranged at the same height, the first I-shaped steel beam (2) and the second I-shaped steel beam (3) are arranged at the top of a foundation base plate (4), one side of the bearing plate (1) is welded on a first top wing plate (21) of the first I-shaped steel beam (2), the other side of the bearing plate (1) is welded on a second top wing plate (31) of the second I-shaped steel beam (3), and a through channel (5) is formed between the first I-shaped steel beam (2) and the second I-shaped steel beam (3);
the anchor device (6) is connected with the foundation slab (4) through a plurality of anchor cables (7), the anchor cables (7) are arranged in parallel, the lower sections of the anchor cables (7) penetrate through the pressure bearing plate (1) and then are connected with the foundation slab (4), and the anchor cables (7) extend to the outer end of the pressure bearing plate (1) and are positioned on the pressure bearing plate (1) through the anchor device (6);
one end of the steel strand is fixed, and the other end of the steel strand is fixed on the bearing plate (1) through a lock.
2. A positioning support for the tension locking of steel strands as claimed in claim 1, characterised in that the number of said anchors (6) is three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022664026.XU CN213805357U (en) | 2020-11-18 | 2020-11-18 | Positioning support for tensioning and locking steel strand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022664026.XU CN213805357U (en) | 2020-11-18 | 2020-11-18 | Positioning support for tensioning and locking steel strand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213805357U true CN213805357U (en) | 2021-07-27 |
Family
ID=76935143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022664026.XU Active CN213805357U (en) | 2020-11-18 | 2020-11-18 | Positioning support for tensioning and locking steel strand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213805357U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023185301A1 (en) * | 2022-03-30 | 2023-10-05 | 长安大学 | Tunnel constraint anchor cable and method for improving stability of initial support structure |
-
2020
- 2020-11-18 CN CN202022664026.XU patent/CN213805357U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023185301A1 (en) * | 2022-03-30 | 2023-10-05 | 长安大学 | Tunnel constraint anchor cable and method for improving stability of initial support structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108708498A (en) | A kind of external prestressing strengthening concrete frame beam structure and its construction method | |
| CN110042767B (en) | Cable buckling and anchoring method of cable hoisting system | |
| CN106639355A (en) | Reinforced concrete beam structure | |
| CN213805357U (en) | Positioning support for tensioning and locking steel strand | |
| CN105926468B (en) | Concrete T-shaped beam external prestressing strengthening structure and method | |
| CN109750791A (en) | A kind of assembled large overhanging steel structure | |
| CN102561212A (en) | Method for strengthening vertical crack of single-pillar concrete pier | |
| CN102561199A (en) | Method of vertical crack resistance of hogging moment tension zone of single-column concrete bridge pier | |
| CN209760863U (en) | External prestress steel strand connector and matched tensioning device | |
| CN107829444B (en) | Wind turbine generator system prestressing force foundation structure | |
| CN112376558A (en) | Anchor rope and anchor backing plate and anchor rope construction method | |
| CN213389770U (en) | Reinforced structure of concrete beam bridge girder | |
| CN203569597U (en) | Counterforce traction device for single-pile static load test | |
| CN106012834B (en) | A kind of spatial warping curve abnormal shape antisymmetry steel king-tower inner support and tensioning system | |
| CN205012238U (en) | A letter T roof beam anchor based on violently open prestressing force | |
| CN104652430A (en) | Composite reinforcement partially prestressed concrete solid square pile and manufacturing method thereof | |
| CN207314122U (en) | Steel plate combination negative moment section of beam concrete cracking prevention construction | |
| CN213773506U (en) | Anti structure of floating of prestressed anchorage pole | |
| CN215057908U (en) | Conversion structure of built wind power mixed tower foundation and steel tube tower barrel | |
| CN113276271B (en) | Pretensioned prestressed concrete production facility and operation method | |
| CN214033704U (en) | Anchor rope and anchor backing plate | |
| CN108678408B (en) | Reinforced concrete roof beam prestressing force wire rope reinforcing apparatus | |
| CN114108488A (en) | Reverse-pulling construction method for thin-wall pier ultrahigh ultra-wide extra-heavy 0# block bracket | |
| CN210368674U (en) | Bridge cantilever pouring construction device based on inclined pull buckle hanging | |
| CN106968178A (en) | A kind of cable-stayed type suspension bridge main girder construction method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |