CN210712829U - Anticorrosive structure of prestressed anchorage cable ground tackle - Google Patents
Anticorrosive structure of prestressed anchorage cable ground tackle Download PDFInfo
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- CN210712829U CN210712829U CN201921251391.9U CN201921251391U CN210712829U CN 210712829 U CN210712829 U CN 210712829U CN 201921251391 U CN201921251391 U CN 201921251391U CN 210712829 U CN210712829 U CN 210712829U
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Abstract
The utility model discloses an anticorrosive structure of prestressed anchorage cable ground tackle, include: the first thermoplastic pipe is wrapped on the exposed anchorage device of the prestressed anchor cable and extends and wraps the exposed anchorage device of the prestressed anchor cable to form a first extension section, and a pipe opening of the first extension section is tightly bound by a binding wire; the second thermoplastic pipe wraps the first extending section and the exposed anchor cable, the outer end of the second thermoplastic pipe extends outwards to form a second extending section, the second extending section turns back to turn over and ties up the pipe orifice with a binding wire, and the end of the exposed anchor cable is wrapped. The utility model discloses in prestressing anchor cable exposes ground tackle and anchor rope protection method can effectively avoid exposing ground tackle and anchor rope because of the corrosion that unfavorable factors such as sunshine, rainwater caused, has guaranteed the design intensity of prestressing anchor cable. The method is particularly suitable for the conditions that the foundation pit is exposed for a long time and the prestressed anchor cable needs to be tensioned.
Description
Technical Field
The utility model belongs to the construction field especially relates to an anticorrosive structure of prestressed anchorage cable ground tackle.
Background
In the foundation pit supporting construction, the actual anticorrosion treatment of the anchor cable anchorage device is often not enough to ensure the long-term anticorrosion of the exposed part. Therefore, the long-term anticorrosion requirement on the exposed end of the prestressed anchor cable is met by taking the anticorrosion strengthening measure.
SUMMERY OF THE UTILITY MODEL
The utility model discloses mainly be to prior art's not enough, provide an anticorrosive structure of prestressed anchorage cable ground tackle, simple structure, convenient operation, low cost can effectively solve the problem that prestressed anchorage cable exposes the end and is easily corroded.
For realizing the above technical effect, the utility model discloses the technical scheme who adopts does: an anticorrosive structure of prestressed anchorage cable ground tackle, it includes:
the first thermoplastic pipe is wrapped on the exposed anchorage device of the prestressed anchor cable and extends and wraps the exposed anchorage device of the prestressed anchor cable to form a first extension section, and a pipe opening of the first extension section is tightly bound by a binding wire;
the second thermoplastic pipe wraps the first extending section and the exposed anchor cable, the outer end of the second thermoplastic pipe extends outwards to form a second extending section, the second extending section turns back to turn over and ties up the pipe orifice with a binding wire, and the end of the exposed anchor cable is wrapped.
In some embodiments of the anticorrosive structure of prestressed anchorage cable anchorage of the present invention, the length of the first extension section is 50mm to 100 mm.
In some embodiments of the anticorrosive structure of prestressed anchorage cable ground tackle of the present invention, the inner pipe orifice of the second thermoplastic pipe is wrapped up the wire of the first extension section.
In some embodiments of the anticorrosive structure of prestressed anchorage cable anchorage device of the present invention, the length of the second extension section is not less than 100 mm.
In some embodiments of the anticorrosive structure of prestressed anchorage cable ground tackle of the present invention, the first thermoplastic pipe and the second thermoplastic pipe are heated by gasoline blowtorch or alcohol blowtorch.
In some embodiments of the anti-corrosion structure of the prestressed anchorage cable anchorage device of the present invention, the first thermoplastic pipe and the second thermoplastic pipe are heat shrinkable sleeves made of polyolefin material.
The utility model discloses owing to adopt above-mentioned technical scheme, make it have following beneficial effect:
and (3) wrapping the positions of the prestressed anchor cable exposed anchorage device and the anchor cable which are stretched and completed by using thermoplastic pipes with corresponding sizes, and heating the thermoplastic pipes by using a gasoline blowtorch to enable the thermoplastic pipes to tightly wrap the anchorage devices and the anchor cable. The length of the thermoplastic pipe is longer than that of the anchorage device and the anchor cable, and the ends of the anchorage device and the anchor cable are completely wrapped by the thermoplastic pipe after being heated by binding wires. The utility model discloses the method is simple, convenient operation, and low cost utilizes the anticorrosive wear resistant characteristic of thermoplastic pipe, can effectively solve the easy problem of corroding of prestressed anchorage cable exposed end, is particularly useful for the foundation ditch and exposes for a long time, and the prestressed anchorage cable needs to mend the condition of stretch-draw.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 shows a schematic structural diagram of an anticorrosion structure of a prestressed anchorage cable anchorage device according to an embodiment of the present invention after forming.
Fig. 2 shows an enlarged schematic structure at the node a in the embodiment of fig. 1.
Fig. 3 shows an enlarged schematic structure diagram at a node B in the embodiment of fig. 1.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring first to fig. 1, a schematic structural diagram of an anticorrosion structure of a prestressed anchor cable and anchor after forming according to an embodiment of the present invention is shown, and as shown in the figure, the anticorrosion structure of the prestressed anchor cable and anchor mainly comprises a first thermoplastic pipe 11 and a second thermoplastic pipe 12, and the prestressed anchor cable has an exposed anchor and an exposed anchor rope, hereinafter referred to as "exposed anchor" and "exposed anchor rope", respectively.
Referring to fig. 2, the exposed anchorage 21 of the prestressed anchorage cable is tightly wrapped by the first thermoplastic pipe 11, the exposed anchorage 21 is wrapped by the first thermoplastic pipe 11 with a corresponding size, the blanking length of the first thermoplastic pipe 11 is longer than the length of the exposed anchorage 21 by 50mm to 100mm, so that the first thermoplastic pipe 11 extends outwards from the outer end of the exposed anchorage 21 to form a first extension section 111 with a length of about 50mm to 100mm, the exposed anchorage 21 is shrunk and sufficiently wrapped by the first thermoplastic pipe 11 by heating with a gasoline burner or an alcohol burner, and the exposed anchorage cable 22 of the prestressed anchorage cable is shrunk and sufficiently wrapped by the first extension section 111. The mouth of the first thermoplastic tube 11 is then tightly banded using 18 gauge binding wire 13, the node configuration being shown in detail in FIG. 2. Wherein the diameter of the first thermoplastic tube 11 is within 100mm greater than the exposed anchor diameter, i.e., the thickness of the first thermoplastic tube 11 is within about 50 mm.
And after the exposed anchorage device 21 finishes the thermoplastic pipe wrapping, the thermoplastic pipe wrapping of the exposed anchor cable 22 is carried out. As best seen in fig. 1 and 3, the second thermoplastic tube 12 is used to closely wrap the first extension 111 of the first thermoplastic tube 11 and expose the remainder of the anchor cable 22. In construction, the inner end of the second thermoplastic tube 12 is wrapped around the tightening end of the first extension 111 with the binding wire 13, as shown in detail in FIG. 2. The blanking length of the second thermoplastic tube 12 should be at least 100mm longer than the exposed anchor cable 21. After the second thermoplastic pipe 12 is contracted by heating with a gasoline blowtorch or an alcohol blowtorch and fully wraps the exposed anchor cable 21, the second thermoplastic pipe 12 is extended out of the outer end part 100mm of the second extension section 121 of the exposed anchor cable 21 and is turned back and tightly banded with the pipe orifice of the second extension section 121 by using the No. 18 binding wire 13, the pipe orifice of the second extension section 131 is tightly banded at the bottom of the second thermoplastic pipe 12, the node structure is shown in detail in figure 3, the inner end of the second thermoplastic sleeve 12 wraps the sealing part of the binding wire of the outer first thermoplastic pipe, the extension section of the thermoplastic pipe is turned over at the end part of the outer anchor cable and is tightly banded and sealed by using the binding wire, and the anchorage device and the anchor cable are completely isolated from the outside. The thermoplastic pipe is tightly bound and sealed at the ends of the anchorage device and the anchor cable by using 18 # binding wires, so that a plurality of strands of anchor cable steel strands are tightly bound together. Stress that the steel strand wires deformation produced is born by the bundle silk for the thermoplastic pipe is not atred, effectively protects the thermoplastic pipe not destroyed.
Preferably, the first thermoplastic pipe and the second thermoplastic pipe are made of special heat-shrinkable sleeve made of polyolefin material, which can also be called EVA material. The outer layer is made of high-quality soft cross-linked polyolefin material and inner layer hot melt adhesive through composite processing, the outer layer material has the characteristics of insulation, corrosion resistance, wear resistance and the like, and the inner layer has the advantages of low melting point, water resistance, sealing, high adhesion and the like. When the exposed anchorage device and the anchor cable of the prestressed anchor cable are wrapped by the thermoplastic pipe, the anchorage device and the anchor cable are tightly wrapped by the thermoplastic pipe through heating of the alcohol blowtorch, preferably, the heating temperature of the alcohol blowtorch is about 800 ℃, so that the thermoplastic pipe can be quickly contracted, and the material damage caused by overhigh temperature can be avoided.
The utility model discloses prestressed anchorage cable exposes ground tackle and anchor rope protection method uses corresponding size's thermoplastic pipe parcel at the prestressed anchorage cable that the stretch-draw was accomplished exposes ground tackle and anchor rope position, makes thermoplastic pipe closely wrap up ground tackle and anchor rope through the heating of petrol blowtorch. The length of the thermoplastic pipe is longer than that of the anchorage device and the anchor cable, and the ends of the anchorage device and the anchor cable are completely wrapped by the thermoplastic pipe after being heated by binding wires. The utility model discloses the method is simple, convenient operation, and low cost utilizes the anticorrosive wear resistant characteristic of thermoplastic pipe, can effectively solve the easy problem of corroding of prestressed anchorage cable exposed end, is particularly useful for the foundation ditch and exposes for a long time, and the prestressed anchorage cable needs to mend the condition of stretch-draw.
In addition, a heat-shrinkable tube with a warning color such as orange red can be used, so that a warning effect can be achieved, and the condition that the exposed end of the anchor cable hurts people is avoided.
The utility model discloses in prestressing anchor cable exposes ground tackle and anchor rope protection method can effectively avoid exposing ground tackle and anchor rope because of the corrosion that unfavorable factors such as sunshine, rainwater caused, has guaranteed the design intensity of prestressing anchor cable. The method is particularly suitable for the conditions that the foundation pit is exposed for a long time and the prestressed anchor cable needs to be tensioned.
It should be noted that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the efficacy and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed with the preferred embodiment, it is not limited to the present invention, and any skilled person can make modifications or changes equivalent to the equivalent embodiment without departing from the scope of the present invention, but all the technical matters of the present invention are within the scope of the present invention.
Claims (6)
1. The utility model provides a prestressed anchorage cable ground tackle anticorrosion structure which characterized in that includes:
the first thermoplastic pipe is wrapped on the exposed anchorage device of the prestressed anchor cable and extends and wraps the exposed anchorage device of the prestressed anchor cable to form a first extension section, and a pipe opening of the first extension section is tightly bound by a binding wire;
the second thermoplastic pipe wraps the first extending section and the exposed anchor cable, the outer end of the second thermoplastic pipe extends outwards to form a second extending section, the second extending section turns back to turn over and ties up the pipe orifice with a binding wire, and the end of the exposed anchor cable is wrapped.
2. The corrosion prevention structure of a prestressed anchorage cable according to claim 1, wherein: the length of the first extension section is 50 mm-100 mm.
3. The corrosion prevention structure of a prestressed anchorage cable according to claim 1, wherein: the inner end nozzle of the second thermoplastic tube wraps the binding wire of the nozzle of the first extension section.
4. The corrosion prevention structure of a prestressed anchorage cable according to claim 1, wherein: the length of the second extension section is not less than 100 mm.
5. The corrosion prevention structure of a prestressed anchorage cable according to claim 1, wherein: the first thermoplastic pipe and the second thermoplastic pipe are heated by a gasoline blowtorch or an alcohol blowtorch.
6. The corrosion prevention structure of a prestressed anchorage cable according to claim 1, wherein: the first thermoplastic pipe and the second thermoplastic pipe are made of polyolefin heat shrinkable sleeves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921251391.9U CN210712829U (en) | 2019-08-05 | 2019-08-05 | Anticorrosive structure of prestressed anchorage cable ground tackle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921251391.9U CN210712829U (en) | 2019-08-05 | 2019-08-05 | Anticorrosive structure of prestressed anchorage cable ground tackle |
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| CN210712829U true CN210712829U (en) | 2020-06-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110409437A (en) * | 2019-08-05 | 2019-11-05 | 中国建筑第八工程局有限公司 | Prestressed anchor cable anchorage anticorrosion structure and anti-corrosion method |
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2019
- 2019-08-05 CN CN201921251391.9U patent/CN210712829U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110409437A (en) * | 2019-08-05 | 2019-11-05 | 中国建筑第八工程局有限公司 | Prestressed anchor cable anchorage anticorrosion structure and anti-corrosion method |
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