CN108145979A - A kind of anchor bar of waterproof plate in tunnels ultrasonic welding process - Google Patents
A kind of anchor bar of waterproof plate in tunnels ultrasonic welding process Download PDFInfo
- Publication number
- CN108145979A CN108145979A CN201711215378.3A CN201711215378A CN108145979A CN 108145979 A CN108145979 A CN 108145979A CN 201711215378 A CN201711215378 A CN 201711215378A CN 108145979 A CN108145979 A CN 108145979A
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- CN
- China
- Prior art keywords
- splash guard
- welding
- ultrasonic welding
- laid
- tunnels
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/43—Joining a relatively small portion of the surface of said articles
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
Abstract
The invention discloses a kind of anchor bar of waterproof plate in tunnels ultrasonic welding processes, using ultrasonic welding technique, the common quality defect of previous splash guard weldering coke, burn-through is made to have obtained basic improvement, live geotextiles, splash guard are laid with beautiful, smooth-going, operability and impression quality are all greatly improved, and effectively prevent the generation for the treatment of technology for tunnel seepage accident；Meanwhile ultrasonic bonding booting is i.e. solderable, has saved the preheating stand-by period of hot wind welding, while quality of welding spot greatly improves, and greatly reduces the time of repetition welding waste；In addition, in practice of construction, it is only necessary to which work can be completed in a worker, and in terms of working efficiency, the working efficiency of a ultrasonic welding machine is as many as 3 times of a hot air type plastic torch.
Description
Technical field
The invention belongs to building material technical fields, are related to a kind of splash guard, specifically a kind of anchor bar of waterproof plate in tunnels ultrasonic wave
Welding procedure.
Background technology
The main cause that percolating water occurs for tunnel, which is that the welding of destroyed or splash guard is unqualified in splash guard work progress, to be caused
's.It is required according to related specifications:Anchor bar of waterproof plate in tunnels should use separate type, first spread the non-woven fabrics that 350g/m plays buffer layer, then
Spread 1.2mm thickness EVA splash guards.Two width splash guards overlap joint climbs welder not less than 10cm using double slit hot melt.Geotextiles are fixed
Preliminary bracing surface is anchored at cement nail on nailing gun by heating gasket, splash guard is welded and fixed with gasket.
The traditional approach that splash guard is connect with gasket hangs technique for hot wind sweat soldering technique or suspender belt.Electric heating pressure welding device
Thermofussion welding is affected by splash guard, hot melt gasket fusing point, and operating personnel is difficult to hold hot molten time and pressure welding dynamics, weldering is burnt,
Burn-through, not prison welding become common quality defect admittedly, while the hot wind blown out easily damages construction personnel.Suspender belt is hung
Then because splash guard can not be closely connected with country rock, easily cause that two thickness of the liner degree are insufficient or two backings after come to nothing, leakiness.
Invention content
The purpose of the present invention is to provide a kind of anchor bar of waterproof plate in tunnels ultrasonic welding processes, not only save manpower, and
It greatly improves work efficiency, accelerates construction speed, while cost has obtained effective control.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of anchor bar of waterproof plate in tunnels ultrasonic welding process, specifically includes following steps：
Step S1, preparation of construction；Allotment good material, personnel, equipment various aspects resource before construction；
Step S2, basal plane inspection；Splash guard first carries out section inspection before being laid with to tunnel, to preliminary bracing gunite concrete
Surface is handled；
Step S3 is laid with geotextiles；Geotextiles along tunnel inner wall are unfolded using operation platform, PVC heat is cased with tail portion
The nailing of molten gasket by geotextiles it is smooth it is straight be fixed on gunite concrete surface, form splash guard and be laid with base；
Step S4, ultrasonic welding machine debugging；Before splash guard is laid with welding, ultrasonic welding machine is debugged；
Step S5 is laid with splash guard；Splash guard is laid with from side abutment wall lower part to arch, again from arch to another side wall
It being laid with, plank is aligned, it is ensured that the second former material is at least 15cm with upper width splash guard lap-joint width, smoothes out, and
There are certain surpluses for elasticity；
Step S6 indicates solder joint；Butt welding point is positioned and is identified with red paint, and each gasket of abutment wall welds 3 points, arch
Each gasket welds 4 points, and solder joint is evenly arranged on gasket；
Step S7, ultrasonic bonding；One hand-held ultrasonic welding machine, proficiency top pressure splash guard, make ultrasonic welding machine with
Waterproof plate face keeps vertical compression to start spot welding, after melting splash guard, when welding gun head is pressed into splash guard about 0.5mm, stops
Welding, the single-point welding duration is 1-1.5s, ensures that splash guard is pasted with gasket densification during welding, after the completion of each solder joint, weldering
Rifle butt welding point keeps certain pressure in 3s.
Further, the processing work in the step S2 is included bar-mat reinforcement, the cutting of pipeline protrusion removes, uses after riveting is put down
Mortar polishes；
Millimeter cut-out is reserved on the screw head top of anchor pole protrusion part, is then handled with plastic cap；
Depth-to-width ratio is filled and led up beyond 1/10 pit, then table after cheating is filled out with flatness ruler and clearance gauge inspection with pea gravel concreten
The flatness in face, it is ensured that after gunite concrete surfacing is smoother, is laid with geotextiles, installs circumferential Permeable blind pipe.
Further, during geotextile laying in the step S3, two width lap width 20-30mm of geotextiles is laid with flat
It is suitable, without protuberance, it is non-wrinkled；
PVC heats gasket as splash guard fixed point, and its spacing is arch 3-4 points/m, abutment wall 2-3 points/m, in quincunx
Arrangement.
Further, the ultrasonic welding machine debugging in the step S4 includes the following steps：
Step S41, powers on；Wherein, power supply 220V, 50Hz individual events power supply checks that work light is after connection
It is no shinny, if do not worked, check protective tube.
Step S42, instrument testing；After power supply is connected, the red " debugging button " on panel, observation " tuning instruction are pinned
Table " dial plate is pressed " debugging button " on one side, rotates " tuning " knob on one side, until unloaded voltage relatively reaches minimum value, is reached most
It is the optimum Working of bonding machine after small value.
Further, when in the step S7 to arch welding, first splash guard is supportted with interim reinforced bar support mixed to injection
Solidifying soil face, then welded in a manner of pressure welding.
Beneficial effects of the present invention：Anchor bar of waterproof plate in tunnels ultrasonic welding process provided by the invention, using ultrasonic bonding
Technology, makes that the weldering of previous splash guard is burnt, common quality defect of burn-through has obtained basic improvement, live geotextiles, splash guard be laid with it is beautiful,
Smooth-going, operability and impression quality are all greatly improved, and effectively prevent the generation for the treatment of technology for tunnel seepage accident；Meanwhile
Ultrasonic bonding booting is i.e. solderable, has saved the preheating stand-by period of hot wind welding, while quality of welding spot greatly improves, greatly
The big time for reducing repetition welding waste；In addition, in practice of construction, it is only necessary to which work can be completed in a worker, in work
In terms of making efficiency, the working efficiency of a ultrasonic welding machine is as many as 3 times of a hot air type plastic torch.
Specific embodiment
The technical solution in the embodiment of the present invention is clearly and completely described below, it is clear that described embodiment
Only part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
All other embodiment that art personnel are obtained without creative efforts belongs to the model that the present invention protects
It encloses.
The present invention provides a kind of anchor bar of waterproof plate in tunnels ultrasonic welding processes, specifically include following steps：
Step S1, preparation of construction；The various aspects resource such as allotment good material, personnel, equipment before construction, wherein, heat gasket
Red novel modified gasket is selected, determines that the position of fixed point starts welding again.In addition, in the case where stress condition allows
It needs to reduce gasket area as possible, to save EVA raw material, reduces material cost.
Step S2, basal plane inspection；Splash guard first carries out section inspection before being laid with to tunnel, to preliminary bracing gunite concrete
Surface is handled.
Specifically, processing work is included bar-mat reinforcement, the cutting of pipeline protrusion removes, is polished with mortar after riveting is put down；By anchor pole
Millimeter cut-out is reserved on the screw head top of protrusion part, is then handled with plastic cap；With pea gravel concreten by depth-to-width ratio beyond 1/10
Pit is filled and led up, then the flatness of hole rear surface is filled out with flatness ruler and clearance gauge inspection, it is ensured that gunite concrete surfacing is smoother
Afterwards, geotextiles are laid with, install circumferential Permeable blind pipe.
Step S3 is laid with geotextiles；Geotextiles along tunnel inner wall are unfolded using operation platform, PVC heat is cased with tail portion
The nailing of molten gasket by geotextiles it is smooth it is straight be fixed on gunite concrete surface, form splash guard and be laid with base.
Specifically, during geotextile laying, two width lap width 20-30mm of geotextiles is laid with smooth-going, without protuberance, non-wrinkled.
PVC heats gasket as splash guard fixed point, and its spacing is arch 3-4 points/m, abutment wall 2-3 points/m, in quincuncial arrangement.
Step S4, ultrasonic welding machine debugging；Before splash guard is laid with welding, ultrasonic welding machine is debugged.
Specifically, ultrasonic welding machine debugging includes the following steps：
Step S41, powers on；Wherein, power supply 220V, 50Hz individual events power supply checks that work light is after connection
It is no shinny, if do not worked, check protective tube.
Step S42, instrument testing；After power supply is connected, the red " debugging button " on panel, observation " tuning instruction are pinned
Table " dial plate is pressed " debugging button " on one side, rotates " tuning " knob on one side, until unloaded voltage relatively reaches minimum value, is reached most
It is the optimum Working of bonding machine after small value.
Step S5 is laid with splash guard；Splash guard is laid with from side abutment wall lower part to arch, again from arch to another side wall
It being laid with, plank is aligned, it is ensured that the second former material is at least 15cm with upper width splash guard lap-joint width, smoothes out, and
There are certain surplus, (designed circumference and laying length press 4 to elasticity:5 ratios are reserved).
Step S6 indicates solder joint；Butt welding point is positioned and is identified with red paint, and each gasket of abutment wall welds 3 points, arch
Each gasket welds 4 points, and solder joint is evenly arranged on gasket, to ensure firm welding.
Step S7, ultrasonic bonding；One hand-held ultrasonic welding machine, proficiency top pressure splash guard, make ultrasonic welding machine with
Waterproof plate face keeps vertical compression to start spot welding, after melting splash guard, when welding gun head is pressed into splash guard about 0.5mm, stops
Welding, the single-point welding duration is 1-1.5s, ensures that splash guard is pasted with gasket densification during welding, otherwise will seriously affect welding
Quality, after the completion of each solder joint, welding gun butt welding point keeps certain pressure in 3s, because of splash guard at solder joint when preventing from unclamping too early
It is uncolled and tear, influence splash guard welding quality.It, can be first with interim reinforced bar support by splash guard in addition, during to arch welding
Support is to gunite concrete face, then is welded in a manner of pressure welding.
The principle of ultrasonic bonding：When ul-trasonic irradiation is in thermoplastic plastic contact surface, can generate tens of thousands of times per second
High-frequency vibration machine energy, ultrasonic energy is transmitted to welding zone by this high-frequency vibration for reaching certain amplitude by upper weldment,
Since acoustic resistance is big at the interface of welding zone i.e. 2 welding, local friction's high temperature can be generated, and due to plastics poor thermal conductivity,
Heat cannot distribute in time, be gathered in welding zone, and the contact surface of 2 plastics is caused to melt rapidly, in addition after certain pressure, melt it
Integrator.After ultrasonic wave fails, pressure is allowed to continue several seconds, makes its coagulation forming, thus formation one is firm
Strand, achieve the purpose that welding, weld strength can be close to raw material intensity.
The application of ultrasonic welding technique makes the common quality defect of previous splash guard weldering coke, burn-through obtain basic improvement, existing
Field geotextiles, splash guard are laid with beautiful, smooth-going, and operability and impression quality are all greatly improved, effectively prevent
The generation for the treatment of technology for tunnel seepage accident.
Ultrasonic bonding booting is i.e. solderable, has saved the preheating stand-by period of hot wind welding, while quality of welding spot is big
Width improves, and greatly reduces the time of repetition welding waste.In addition, in practice of construction, hot wind welding need washer with
Splash guard and hot melt washer are pressed together by the way of hand pressure again after the two heat is melted between splash guard, due to waterproof
Plate width is 3-4m, and the welding positioned at splash guard middle can not ensure to press in time, needs two worker's cooperations, causes every volume
Welding quality in the middle part of splash guard is undesirable, and the working method of ultrasonic bonding can be fully solved this problem, while only
Need a worker that work can be completed, in terms of working efficiency, the working efficiency of a ultrasonic welding machine is a hot wind
As many as 3 times of shape welding gun.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
At least one implementation of the present invention is contained in reference to the embodiment or example particular features, structures, materials, or characteristics described
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can close in any one or more embodiments or example
Suitable mode combines.
Above content is only to structure example of the present invention and explanation, affiliated those skilled in the art couple
Described specific embodiment does various modifications or additions or substitutes in a similar way, without departing from invention
Structure surmounts range defined in the claims, is within the scope of protection of the invention.
Claims (5)
1. a kind of anchor bar of waterproof plate in tunnels ultrasonic welding process, which is characterized in that specifically include following steps：
Step S1, preparation of construction；Allotment good material, personnel, equipment various aspects resource before construction；
Step S2, basal plane inspection；Splash guard first carries out section inspection before being laid with to tunnel, to preliminary bracing gunite concrete surface
It is handled；
Step S3 is laid with geotextiles；Geotextiles along tunnel inner wall are unfolded using operation platform, PVC hot melt pads are cased with tail portion
The nailing of piece by geotextiles it is smooth it is straight be fixed on gunite concrete surface, form splash guard and be laid with base；
Step S4, ultrasonic welding machine debugging；Before splash guard is laid with welding, ultrasonic welding machine is debugged；
Step S5 is laid with splash guard；Splash guard laying is spread from side abutment wall lower part to arch, again from arch to another side wall
If plank is aligned, it is ensured that the second former material is at least 15cm with upper width splash guard lap-joint width, smoothes out, and pine
There are certain surpluses for tightness；
Step S6 indicates solder joint；Butt welding point is positioned and is identified with red paint, and each gasket of abutment wall welds 3 points, and arch is each
Gasket welds 4 points, and solder joint is evenly arranged on gasket；
Step S7, ultrasonic bonding；One hand-held ultrasonic welding machine, proficiency top pressure splash guard, makes ultrasonic welding machine and waterproof
Plate face keeps vertical compression to start spot welding, after melting splash guard, when welding gun head is pressed into splash guard about 0.5mm, stops welding,
The single-point welding duration is 1-1.5s, ensures that splash guard is pasted with gasket densification during welding, after the completion of each solder joint, welding gun butt welding
Point keeps certain pressure in 3s.
2. a kind of anchor bar of waterproof plate in tunnels ultrasonic welding process according to claim 1, which is characterized in that in the step S2
Processing work include bar-mat reinforcement, the cutting of pipeline protrusion removes, is polished with mortar after riveting is put down；
Millimeter cut-out is reserved on the screw head top of anchor pole protrusion part, is then handled with plastic cap；
Depth-to-width ratio is filled and led up beyond 1/10 pit, then hole rear surface is filled out with flatness ruler and clearance gauge inspection with pea gravel concreten
Flatness, it is ensured that after gunite concrete surfacing is smoother, is laid with geotextiles, installs circumferential Permeable blind pipe.
3. a kind of anchor bar of waterproof plate in tunnels ultrasonic welding process according to claim 1, which is characterized in that in the step S3
Geotextile laying when, two width lap width 20-30mm of geotextiles, be laid with smooth-going, without protuberance, it is non-wrinkled；
PVC heats gasket as splash guard fixed point, and its spacing is arch 3-4 points/m, abutment wall 2-3 points/m, in quincuncial arrangement.
4. a kind of anchor bar of waterproof plate in tunnels ultrasonic welding process according to claim 1, which is characterized in that in the step S4
Ultrasonic welding machine debugging include the following steps：
Step S41, powers on；Wherein, power supply 220V, 50Hz individual events power supply checks whether work light is sent out after connection
It is bright, if do not worked, check protective tube.
Step S42, instrument testing；After power supply is connected, the red " debugging button " on panel, observation " tuning dial gauge " table are pinned
Disk is pressed " debugging button " on one side, rotates " tuning " knob on one side, until unloaded voltage relatively reaches minimum value, reaches minimum value
It is the optimum Working of bonding machine afterwards.
5. a kind of anchor bar of waterproof plate in tunnels ultrasonic welding process according to claim 1, which is characterized in that in the step S7
During to arch welding, first splash guard is supportted to gunite concrete face, then welded in a manner of pressure welding with interim reinforced bar support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711215378.3A CN108145979A (en) | 2017-11-28 | 2017-11-28 | A kind of anchor bar of waterproof plate in tunnels ultrasonic welding process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711215378.3A CN108145979A (en) | 2017-11-28 | 2017-11-28 | A kind of anchor bar of waterproof plate in tunnels ultrasonic welding process |
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| Publication Number | Publication Date |
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| CN108145979A true CN108145979A (en) | 2018-06-12 |
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| CN201711215378.3A Pending CN108145979A (en) | 2017-11-28 | 2017-11-28 | A kind of anchor bar of waterproof plate in tunnels ultrasonic welding process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110486058A (en) * | 2019-09-25 | 2019-11-22 | 中铁建大桥工程局集团第五工程有限公司 | The comprehensive trolley method construction of tunnel wide splash guard, two lined steel muscle |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1498691A (en) * | 1974-01-09 | 1978-01-25 | Ruhrkohle Ag | Waterproof sealing means |
| JPH02282600A (en) * | 1989-04-24 | 1990-11-20 | Toyo Bussan Kk | Segment for shield tunnel, waterproofing construction method using segment thereof, and tunnel |
| JPH0452316Y2 (en) * | 1987-10-09 | 1992-12-09 |
-
2017
- 2017-11-28 CN CN201711215378.3A patent/CN108145979A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1498691A (en) * | 1974-01-09 | 1978-01-25 | Ruhrkohle Ag | Waterproof sealing means |
| JPH0452316Y2 (en) * | 1987-10-09 | 1992-12-09 | ||
| JPH02282600A (en) * | 1989-04-24 | 1990-11-20 | Toyo Bussan Kk | Segment for shield tunnel, waterproofing construction method using segment thereof, and tunnel |
Non-Patent Citations (2)
| Title |
|---|
| 中国铁路工程总公司青藏铁路施工新技术编委会: "《青藏铁路施工新技术》", 31 October 2007, 甘肃科学技术出版社 * |
| 王晓州: "《大断面黄土隧道建设技术》", 30 April 2009, 中国铁道出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110486058A (en) * | 2019-09-25 | 2019-11-22 | 中铁建大桥工程局集团第五工程有限公司 | The comprehensive trolley method construction of tunnel wide splash guard, two lined steel muscle |
| CN110486058B (en) * | 2019-09-25 | 2021-03-16 | 中铁建大桥工程局集团第五工程有限公司 | Tunnel wide waterproof board and two-lining steel bar comprehensive trolley method construction method |
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Application publication date: 20180612 |
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