CN106049881B - A kind of prestress anchorage cable ultra long haul is reeved method - Google Patents
A kind of prestress anchorage cable ultra long haul is reeved method Download PDFInfo
- Publication number
- CN106049881B CN106049881B CN201610501612.8A CN201610501612A CN106049881B CN 106049881 B CN106049881 B CN 106049881B CN 201610501612 A CN201610501612 A CN 201610501612A CN 106049881 B CN106049881 B CN 106049881B
- Authority
- CN
- China
- Prior art keywords
- steel strand
- strand wires
- drawing head
- anchor cable
- cable
- 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
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
It reeves method the invention discloses prestress anchorage cable ultra long haul, wears traction iron wire in advance when bellows is installed first；The anchor cable drawing head for wearing steel strand wires is made, towing pad or loop pulling slot are provided on anchor cable drawing head end；Its rear end is hollow stem, and the length direction along bar is equipped with steel strand wires connecting hole, and the radial direction along the hole is provided with multiple threaded holes for being combined with fastening screw；Steel strand wires to be worn are connected in steel strand wires connecting hole, the one end for drawing iron wire is connected on towing pad；Traction iron wire is pulled, drives anchor cable drawing head, steel strand wires, haulage cable mobile simultaneously, the steel strand wires to be worn pass through duct of reeving；Repetitive operation makes whole steel strand wires pass through.The method of the present invention, can shorten the duration that prestress anchorage cable ultra long haul is reeved, it is ensured that the prestress anchorage cable ultra long haul of Cast-in-Situ Continuous Beam is reeved quick formation, and the needs that the prestress anchorage cable ultra long haul of its Cast-in-Situ Continuous Beam is reeved are met.
Description
Technical field
It reeves method more particularly to a kind of prestressed anchor the present invention relates to a kind of prestress anchorage cable of Concrete Continuous Box Beam
Rope ultra long haul is reeved method.
Background technology
Traditional Concrete Continuous Box Beam tensioning construction, typically after Concrete Continuous Box Beam forming, then it is right
Each reserved anchor cable duct carries out lashing, but Concrete Continuous Box Beam is compared with general monomer pre-emulsion beam, is the lashing of ultra long haul duct
Construction operation, lashing difficulty is larger, this be mainly Concrete Continuous Box Beam lashing construction technology and method need to improve.Using
Improved prestress anchorage cable ultra long haul is reeved method, and the activity time of lashing can be shortened, it is ensured that each reserved anchor cable duct carries out
The technology and mass effect of ultra long haul Concrete Continuous Box Beam worn after anchor cable are realized in the quick formation of lashing.
Invention content
Aiming at the above shortcomings existing in the prior art, this invention patent, which provides, a kind of can fast implement prestressed anchor
The construction method that rope ultra long haul is reeved, easily designed and processing and fabricating prestress anchorage cable ultra long haul are reeved drawing head.
In order to solve the above-mentioned technical problem, present invention employs following technical solutions；A kind of prestress anchorage cable ultra long haul is worn
Suo Fangfa includes the following steps：
（1）According to technological requirement, traction iron wire is worn in advance when bellows is installed；
（2）According to technological requirement, continuous box girder is poured, forms the duct of reeving for wearing steel strand wires；
（3）Make the anchor cable drawing head for wearing steel strand wires；The anchor cable drawing head, end are arc-shaped or sharp shape,
Towing pad or loop pulling slot are provided on end；Its rear end is hollow stem, and the length direction along bar is equipped with steel strand wires connecting hole,
Radial direction along the hole is provided with multiple threaded holes, and threaded hole is connected to steel strand wires connecting hole, and fastening screw is combined in threaded hole；
（4）Prepare haulage cable, the length of haulage cable is more than the length in duct of reeving；
（5）Steel strand wires to be worn are connected in the steel strand wires connecting hole of anchor cable drawing head, and rotate fastening screw with
Clamping；By the one end for drawing iron wire be connected on towing pad or loop pulling slot in, and haulage cable is connected to anchor cable and is led
On leader；
（6）Traction iron wire, traction iron wire is pulled to drive the movement of anchor cable drawing head, be connected to anchor cable from the one end in duct of reeving
Steel strand wires to be worn, haulage cable on drawing head are mobile simultaneously, and the steel strand wires to be worn pass through duct of reeving；
（7）Second steel strand wires to be worn and an other haulage cable are connected on anchor cable drawing head, profit
With（6）The traction steel wire wire saws anchor cable drawing head that step passes through, then second steel strand wires to be worn is reeved hole
Road；Repetitive operation makes whole steel strand wires of technological requirement reeve duct.
Further feature is：Steel strand wires connecting hole is blind hole.
Compared with prior art, prestress anchorage cable ultra long haul of the present invention is reeved method, is had the following advantages that：
1, the corresponding improvement that prestress anchorage cable ultra long haul is reeved：Since steel strand wires are the beformable body linear junctions of steel wire strand composition
Structure could carry out lashing in lashing after must carrying out fire weldering screwdriver bit boundling to end；A kind of prestress anchorage cable now invented is super
The long drawing head away from the method for reeving and design is to use antifriction metal (AFM) body, can be directly sleeved on drawing head after steel wire
On steel strand wires end；There is the sunk screw of fastening steel strand wires in drawing head side；Its drawing head is designed to water droplet head, can prevent from wearing
It is clamped by adjacent steel strand wires when beam；The through-hole of haulage cable is designed on drawing head to connect haulage cable.
2, in lashing, directly drawing head will be sleeved on steel strand wires end after steel wire；, fastening traction in order
The sunk screw of the fastening steel strand wires in rostral face is logical by what is designed on haulage cable and drawing head that pre-plugged duct passes through
Hole connects, it is only necessary to which the artificial pre-stressed anchor rods ultra long haul that can be realized in concrete pore passage is reeved.
3, when prestress anchorage cable ultra long haul is reeved, each lashing be it is single pass through duct, general pre-stressed anchor rods are by more
Root steel strand wires form, then the single haulage cable that will can next time reeve when reeving every time, attached to hang over via on traction end
Road forms cycle until the anchor cable in the duct all wears neat formation anchor beam with this in this way.
It is reeved method using improved prestress anchorage cable ultra long haul, the work that prestress anchorage cable ultra long haul is reeved can be shortened
Phase, it is ensured that the prestress anchorage cable ultra long haul of Cast-in-Situ Continuous Beam is reeved quick formation, can also be synchronized and is included in relevant construction technology
Scheme meets the needs that the prestress anchorage cable ultra long haul of its Cast-in-Situ Continuous Beam is reeved, and enriches existing prestress anchorage cable overlength
Away from the construction technology demand reeved.
Description of the drawings
The organigram of Fig. 1, drawing head of reeving for a kind of prestress anchorage cable ultra long haul；
Fig. 2, a kind of operational method schematic diagram that prestress anchorage cable ultra long haul is reeved；
In attached drawing：1-continuous box girder, 2-reeve duct, 3-steel strand wires, 4-anchor cable drawing heads, the 5-the first traction
Steel wire rope, the 6-the second haulage cable, 7-ends, 8-towing pads, 9-rod pieces, 10-steel strand wires connecting holes, 11-fastenings
Screw.
Specific implementation mode
The present invention is described in further detail with reference to the accompanying drawings and detailed description.A kind of prestress anchorage cable is super
Length includes the following steps away from the operational method reeved：
1, according to technological requirement, traction iron wire is worn in advance when bellows is installed；
2, according to technological requirement, continuous box girder is poured, forms the duct of reeving for wearing steel strand wires；
3, the anchor cable drawing head for wearing steel strand wires is made；The anchor cable drawing head, material are antifriction metal (AFM), and end is circle
Arc or sharp shape are provided with towing pad or loop pulling slot on end；Its rear end is hollow stem, and the length direction along bar is set
There is steel strand wires connecting hole, is usually arranged as blind hole；Radial direction along the hole is provided with multiple threaded holes, and threaded hole is connect with steel strand wires
Hole is connected to, and fastening screw is combined in threaded hole；
4, prepare haulage cable, the length of haulage cable is more than the length in duct of reeving；
5, steel strand wires to be worn are connected in the steel strand wires connecting hole of anchor cable drawing head, and rotate fastening screw with card
Tightly, prevent it from being slid out of steel strand wires connecting hole；By the one end for drawing iron wire be connected on towing pad or loop pulling slot in, and
Haulage cable is connected on anchor cable drawing head, specific there are many connection structures, are such as connected directly between on traction iron wire, or even
Be connected on towing pad or loop pulling slot in, as long as anchor cable drawing head can drive haulage cable can also cross duct of reeving
With；
6, traction iron wire, traction iron wire is pulled to drive the movement of anchor cable drawing head, be connected to anchor cable from the one end in duct of reeving
Steel strand wires to be worn, haulage cable on drawing head are mobile simultaneously, and the steel strand wires to be worn pass through duct of reeving；
7, second steel strand wires to be worn and an other haulage cable are connected on anchor cable drawing head, are utilized
The（6）On the traction steel wire wire saws anchor cable drawing head that step passes through, then second steel strand wires to be worn reeved hole
Road；Repetitive operation makes whole steel strand wires of technological requirement reeve duct.
As shown in Figure 1, 2, in specific embodiments of the present invention structure, according to the continuous box girder 1 that technological requirement is poured into a mould, wherein
Between form multigroup duct 2 of reeving, need to wear more steel strand wires 3；It has worn traction iron wire in advance when bellows is installed, has drawn
Iron wire is in duct 2 of reeving, duct 2 of reeving along its length；
The anchor cable drawing head 4 of the present invention, material are antifriction metal (AFM), and front end is arc-shaped end 7, specific such as semicircle shape,
Quadratic function parabolic shape, round and smooth drops etc. are provided with towing pad 8 or annular on arc-shaped or sharp shape end 7
Traction grooved（It is not shown in figure）, towing pad 8 shown in figure is through-hole, convenient for connection haulage cable；Its rear end is rod piece
9, which is hollow stem, and the length direction along bar is equipped with steel strand wires connecting hole 10, is usually arranged as blind hole；Along the steel strand wires
The radial direction of connecting hole 10 is provided with multiple threaded holes, and threaded hole is connected to steel strand wires connecting hole 10, and fastening is combined in threaded hole
Screw 11, fastening screw 11 are usually countersunk head fastening screw, and front end can enter in steel strand wires connecting hole 10 after rotation.It uses
When, one end of steel strand wires 3 to be worn penetrates steel strand wires connecting hole 10, and rotates fastening screw 11 and fix with clamping, prevents it
It is slid in from steel strand wires connecting hole 10；By haulage cable（First haulage cable 5 or the second haulage cable 6）One end connect
It is connected on anchor cable drawing head 4, one end of pre-buried traction iron wire is connected on anchor cable drawing head 4 when drawing first time, from
The reeve one end in duct pulls traction iron wire or haulage cable, through pulling anchor cable drawing head 4, every time by steel to be worn
Twisted wire 3 is reeved duct 2, and the operation is repeated, and whole steel strand wires of technological requirement is made to reeve duct 2.
A kind of prestress anchorage cable ultra long haul of the present invention is reeved method, and technological process is as follows：
Bellows wears traction iron wire → Cast-in-Situ Continuous Beam pours → when installing and reeves duct molding → anchor cable drawing head in advance
Processing → haulage cable is designed and produced by orifice throat length preparation → steel strand wires blowing → haulage cable, steel strand wires and traction iron
Silk connect with anchor cable drawing head respectively → and single steel strand reeves → and haulage cable 1/2 forms cycle operation → mono- duct and wears
Rope is completed → is gone to next duct and reeves.
The above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although with reference to preferred embodiment to this hair
It is bright to be described in detail, it will be understood by those of ordinary skill in the art that, it can modify to technical scheme of the present invention
Or equivalent replacement should all cover the claim in the present invention without departing from the objective and range of technical solution of the present invention
In range.
Claims (1)
- A kind of method 1. prestress anchorage cable ultra long haul is reeved, it is characterised in that include the following steps：（1）According to technological requirement, traction iron wire is worn in advance when bellows is installed；（2）According to technological requirement, continuous box girder is poured, forms the duct of reeving for wearing steel strand wires；（3）Make the anchor cable drawing head for wearing steel strand wires；The anchor cable drawing head, end are arc-shaped or sharp shape, end On be provided with towing pad or loop pulling slot；Its rear end is hollow stem, is equipped with steel strand wires connecting hole along the length direction of bar, edge should The radial direction in hole is provided with multiple threaded holes, and threaded hole is connected to steel strand wires connecting hole, and fastening screw is combined in threaded hole；It is described Steel strand wires connecting hole is blind hole；（4）Prepare haulage cable, the length of haulage cable is more than the length in duct of reeving；（5）Steel strand wires to be worn are connected in the steel strand wires connecting hole of anchor cable drawing head, and rotate fastening screw with clamping； By the one end for drawing iron wire be connected on towing pad or loop pulling slot in, and haulage cable is connected to anchor cable drawing head On；（6）It pulls traction iron wire, traction iron wire to drive the movement of anchor cable drawing head from the one end in duct of reeving, is connected to anchor cable traction Steel strand wires to be worn, haulage cable on head are mobile simultaneously, and the steel strand wires to be worn pass through duct of reeving；（7）Second steel strand wires to be worn and an other haulage cable are connected on anchor cable drawing head, utilize （6）The traction steel wire wire saws anchor cable drawing head that step passes through, then second steel strand wires to be worn is reeved duct；Weight Multiple operation makes whole steel strand wires of technological requirement reeve duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610501612.8A CN106049881B (en) | 2016-06-30 | 2016-06-30 | A kind of prestress anchorage cable ultra long haul is reeved method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610501612.8A CN106049881B (en) | 2016-06-30 | 2016-06-30 | A kind of prestress anchorage cable ultra long haul is reeved method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106049881A CN106049881A (en) | 2016-10-26 |
| CN106049881B true CN106049881B (en) | 2018-09-25 |
Family
ID=57201328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610501612.8A Active CN106049881B (en) | 2016-06-30 | 2016-06-30 | A kind of prestress anchorage cable ultra long haul is reeved method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106049881B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106758836A (en) * | 2016-12-23 | 2017-05-31 | 中铁十四局集团第二工程有限公司 | A kind of post stressed concrete is big apart from reeving steel strands method |
| CN110258929A (en) * | 2019-05-21 | 2019-09-20 | 大连理工大学 | A kind of flat anchorage and its application method for pinch form memory alloy wire |
| CN112195941A (en) * | 2020-09-18 | 2021-01-08 | 中铁隧道集团一处有限公司 | Quick installation method for overlong vertical upward prestressed anchor cable of underground cave depot |
| CN113235441A (en) * | 2021-05-17 | 2021-08-10 | 中铁大桥局第七工程有限公司 | Strand penetrating device and method for prestressed steel strand |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007002492A (en) * | 2005-06-23 | 2007-01-11 | Jfe Steel Kk | Reinforcement joint fitting |
| CN101004096A (en) * | 2006-12-20 | 2007-07-25 | 北京城建集团有限公司 | Steel strand retractor |
| JP2011236565A (en) * | 2010-05-06 | 2011-11-24 | Ohbayashi Corp | Construction method of prestressed concrete structure strained in vertical direction |
| CN102561706A (en) * | 2012-03-19 | 2012-07-11 | 中冶天工集团有限公司 | Internal threading method of space large-span prestressed steel structure steel strand |
| CN204475874U (en) * | 2015-03-13 | 2015-07-15 | 中国土木工程集团有限公司 | A kind of novel pre-stressed steel strand draw-gear |
| CN205314581U (en) * | 2015-12-15 | 2016-06-15 | 天津银龙预应力材料股份有限公司 | Prestress wire drafting tool |
-
2016
- 2016-06-30 CN CN201610501612.8A patent/CN106049881B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007002492A (en) * | 2005-06-23 | 2007-01-11 | Jfe Steel Kk | Reinforcement joint fitting |
| CN101004096A (en) * | 2006-12-20 | 2007-07-25 | 北京城建集团有限公司 | Steel strand retractor |
| JP2011236565A (en) * | 2010-05-06 | 2011-11-24 | Ohbayashi Corp | Construction method of prestressed concrete structure strained in vertical direction |
| CN102561706A (en) * | 2012-03-19 | 2012-07-11 | 中冶天工集团有限公司 | Internal threading method of space large-span prestressed steel structure steel strand |
| CN204475874U (en) * | 2015-03-13 | 2015-07-15 | 中国土木工程集团有限公司 | A kind of novel pre-stressed steel strand draw-gear |
| CN205314581U (en) * | 2015-12-15 | 2016-06-15 | 天津银龙预应力材料股份有限公司 | Prestress wire drafting tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106049881A (en) | 2016-10-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106049881B (en) | A kind of prestress anchorage cable ultra long haul is reeved method | |
| CN101967796A (en) | Method for arranging parallel steel wire stay cable | |
| CN103539011B (en) | Suspended beam type spreader assembly and use the hoisting crane of this spreader assembly | |
| CN212025936U (en) | Equipment for mounting continuous steel strand stay cable at tower end of cable-stayed bridge | |
| CN100434636C (en) | Steel strand retractor | |
| CN209760863U (en) | External prestress steel strand connector and matched tensioning device | |
| CN100580182C (en) | Soft and hard composite three-level traction technique for stay cables and connecting device thereof | |
| CN202461363U (en) | Disc steel bar straightening machine for building | |
| CN210767891U (en) | Post-tensioned prestressing corrugated pipe internal bundling device | |
| CN205777577U (en) | A kind of prestress anchorage cable ultra long haul is reeved and is used drawing head | |
| CN208995921U (en) | Anchor head suspension arrangement after a kind of strand | |
| CN104287323A (en) | Puller structure convenient to demount and provided with nano-pores in surface for zipper | |
| CN104724615A (en) | Penetrating and winding method of large-diameter variable-amplitude steel wire rope of large moving-arm type tower crane | |
| CN205149569U (en) | Integral pulley of taking brake function compensation arrangement that casts anchor | |
| CN210946262U (en) | Rope-forming distance adjustable branching device | |
| CN204492012U (en) | A kind of bar connecting device | |
| CN213569198U (en) | Special hoisting construction device for bridge steel structure metal structural part | |
| CN209368697U (en) | A kind of tensioning pylon | |
| CN208995934U (en) | A kind of beam processed anti-reinforcement stresses loss ancillary equipment | |
| CN206156521U (en) | Blast furnace ore deposit groove skip wire rope connecting device | |
| CN202529716U (en) | Grab bucket | |
| CN202429892U (en) | Variable-multiplying-power hoisting hook pulley system for crane and integrated system thereof | |
| CN205259621U (en) | Precast beam steel strand wires rings | |
| CN201297039Y (en) | Overlong pre-stress muscle dragging device | |
| CN104287326A (en) | Structure-improved zipper puller structure with nano-pores in surface |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |