CN106522283A - PVC protection lining and construction and construction leakage detecting method thereof - Google Patents
PVC protection lining and construction and construction leakage detecting method thereof Download PDFInfo
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- CN106522283A CN106522283A CN201610907348.8A CN201610907348A CN106522283A CN 106522283 A CN106522283 A CN 106522283A CN 201610907348 A CN201610907348 A CN 201610907348A CN 106522283 A CN106522283 A CN 106522283A
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- overlap joint
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- 238000010276 construction Methods 0.000 title claims abstract description 47
- 230000004224 protection Effects 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000003466 welding Methods 0.000 claims abstract description 52
- 238000001514 detection method Methods 0.000 claims abstract description 42
- 239000002184 metal Substances 0.000 claims abstract description 4
- 229910052751 metal Inorganic materials 0.000 claims abstract description 4
- 238000005260 corrosion Methods 0.000 claims description 28
- 238000007689 inspection Methods 0.000 claims description 27
- 230000007797 corrosion Effects 0.000 claims description 26
- 239000004567 concrete Substances 0.000 claims description 21
- 238000007373 indentation Methods 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 6
- 238000013138 pruning Methods 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 3
- 238000010891 electric arc Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 230000008439 repair process Effects 0.000 claims description 3
- 230000000994 depressogenic effect Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 14
- 239000011150 reinforced concrete Substances 0.000 abstract description 5
- 240000004859 Gamochaeta purpurea Species 0.000 abstract 1
- 239000000463 material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000000649 photocoagulation Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000009182 swimming Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/16—Sealings or joints
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/665—Sheets or foils impervious to water and water vapor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
- E04D5/06—Roof covering by making use of flexible material, e.g. supplied in roll form by making use of plastics
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
- E21D11/383—Waterproofing; Heat insulating; Soundproofing; Electric insulating by applying waterproof flexible sheets; Means for fixing the sheets to the tunnel or cavity wall
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0006—Plastics
- E02D2300/0009—PE
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Architecture (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Geochemistry & Mineralogy (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Hydrology & Water Resources (AREA)
- Paleontology (AREA)
- Examining Or Testing Airtightness (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a PVC protection lining and a construction and construction leakage detecting method thereof. The PVC protection lining comprises a lining body; and a T-shaped fixed key projected on the surface of the lining body is arranged on one side, towards reinforced concrete, of the lining body. The PVC protection lining is characterized in that a T-shaped fixed key beneficiation combination cavity is formed on the top surface of the T-shaped fixed key in the length direction of the T-shaped fixed key. The method comprises the following steps: one side, with the T-shaped fixed key, of the lining body faces to the reinforced concrete after pouring, and the T-shaped fixed key is inserted in the reinforced concrete; the edge parts in long edge directions of two adjacent lining bodies are overlapped, and the edge parts in short edge directions are overlapped; long edge leakage detection electric conducting metal wires are inlaid in the long edge joint overlapping area, and short edge leakage detection electric conducting metal wires are inlaid in the short edge joint overlapping area; and a hot air welding gun is used for welding. The reliable and everlasting combination effect with the reinforced concrete is improved; the conditions are created for the leakage detection after construction; and the leakage points in the long and short edge joint overlapping areas after hot welding welding can be detected.
Description
Technical field
The invention belongs to building member and its technical field of construction, and in particular to a kind of PVC lining corrosion protections, and also relate to
And its construction and leak hunting method of constructing.
Background technology
Aforesaid PVC lining corrosion protections are also referred to as PVC protective liners or anti-corrosion liner, are widely used in such as urban operating mechanism work
It is journey, town and country sewage treatment project, tunnel, subway, underground civil defence projects, City Building underground garage, building roofing, military
The occasion of facility such as Aircraft Hangar, reservoir, swimming pool and agriculture irrigation canals and ditches etc.Previously, to being not limited to the occasion for above enumerating
Antiseep protection generally using brushing protecting film, lay waterproof roll, pour the measures such as surface protecting layer of covering, shortcoming be engineering make
Industry amount is big, construction period length, low construction efficiency, the construction environment to construction site and weather have fastidious property, protection effect difference simultaneously
And the cycle is short protected.With the release of PVC lining corrosion protections, aforementioned shortcoming is substantially made up, because PVC linings can be real
Existing factorial praluction simultaneously realizes site operation.
The technical information with regard to PVC linings can be seen in disclosed Chinese patent literature, and such as CN201428867Y recommends
Have " reinforced concrete sewer pipe with PVC corrosion protective linings ", its be concrete reinforced pipe inner surface have with reference to one layer it is anti-
The PVC liners of rotten effect（That is PVC lining corrosion protections）, specifically can be found in the 3rd to 17 row of patent specification page 3；And for example
CN201560487Y is provided with " PVC liner of anti-corrosion steel bar concrete water discharging pipe ", and the patent is had with aforementioned CN201428867Y
There is the effect of different Qu Tonggong, feature is the projection of liner surface to be configured to the shape of T-shaped or rhombus anchoring key and is divided in the shape of a spiral
Cloth, specifically can be found in the 0015th to 0016 section of the patent specification；For another example publication No. CN105649649A is introduced a kind of " band
Corrosion protection system in lined with PVC sheets duct pieces of shield tunnel ", according to the description of the description the 0013rd to 0015 of the patent application,
Which is to lay corrosion-proof lining on the surface of lining segment, and by corrosion-proof lining towards the side of lining segment T-shaped retainingf key
With lining segment reliable connection.
Disclosed in above-mentioned patent documentation, PVC lining corrosion protections have common construction featuress, are embodied in：In lining body
Under use state towards carrier such as armored concrete side spaced surface constitute have be raised in lining body surface and
Transverse shape retainingf key in T shape, ensures the combination effect between lining body and carrier by retainingf key, but this
There is logical disadvantage as follows in structure；As the top surface of retainingf key is smooth without recessed, and as lining body and aforementioned bearer are different
Material, thus effect structure especially in conjunction with persistency be difficult to meet the expection of industry, after a period of time exist point
De- anxiety.
As is known in the industry, the quality of construction can produce impact to construction quality, and so-called construction quality is mainly manifested in oozes
Leakage, because the door width of lining body is fabric width is typically limited, in laid processes i.e. in work progress, by two adjacent linings
In edge overlap forming lap width（The 0010th section of the description such as CN105649649A is recorded, and lap width is big
In 20mm）, it is mutually bonded at the position of the lap width and is ensured that bonding patch is tight（Such as the explanation of CN201428867Y
The 13rd to 15 row of book page 3）.But can due to cannot verify the sealing that cannot detect the overlapping part being bonded together
By property, consequently only that engineering be put to using it is rear i.e. under arms during seepage when be just found, it is but late.Current
Disposal method has two：One is, when leak magnitude is slight, to carry out leak stopping using sealing agent；Two is when leak magnitude is serious, in fact
Apply and do over again, then not only overlapping investment manually causes the daily increase for managing and protecting cost, and causes the waste of resource, because doing over again
Old cloth must be abandoned new.Applicant have noted that what the 3rd section of the 11st to 14 row of the Instructions Page 2 of CN201428867Y was recorded：
" instrumentation of the tightness of an inspection lining is have also been devised, the seam and Guan Yuguan connections to PVC material in every section pipe
When lining seam inspection, to guarantee the tight of lining, and then ensure to improve the life-span of concrete reinforced pipe ", but be not given
The concrete enlightenment for how checking sealing.
For above-mentioned prior art, it is necessary to improved, it is that this applicant has made beneficial exploration, defines following
The technical scheme that will introduce and simulation test is have passed through in the case where secrecy provision is taken, as a result prove practicable.
The content of the invention
The top priority of the present invention is to provide a kind of retainingf key for contributing to significantly enhancing on lining body to carry with conduct
There are the PVC lining corrosion protections for releasing in durable bond effect between the armored concrete of body and using during avoiding under arms.
Another task of the present invention is to provide a kind of construction method of PVC lining corrosion protections, and the construction method can be construction
The online leak detection at scene provides leak detection condition and uses and play the effect of checking erroneous ideas at the outset.
The another task of the present invention is to provide a kind of PVC lining corrosion protections construction leak hunting method, and the method will can be constructed
The breakthrough in time detection of the overlapping part of two adjacent lining bodies is occurred in journey and is used and is ensured construction quality and engineering
Persistently military service effect.
What the task of the present invention was performed by, a kind of PVC lining corrosion protections, including lining body, in the lining body
Side under use state towards armored concrete is constituted the T-shaped fixation on the surface for being raised in lining body with space state
Key, the length direction for being characterised by the top surface of the T-shaped retainingf key and follow T-shaped retainingf key are constituted and have one recessed
Sink into the T-shaped retainingf key potentiation binding cavity of the top surface of T-shaped retainingf key.
In a specific embodiment of the present invention, the breadth width of the lining body is 1350-1540mm, and is served as a contrast
In body thickness be 1.5-3mm；The height of the T-shaped retainingf key is 8-12mm, and the width at the top of T-shaped retainingf key is
6-8mm, the spacing between adjacent T-shaped retainingf key are 68-72mm.
What another task of the present invention was performed by, a kind of construction method of PVC lining corrosion protections, including following step
Suddenly：
A) lay, lining body is had into the one side of T-shaped retainingf key to the armored concrete of casting complete, and is made T-shaped
Retainingf key is insinuated in armored concrete, and the edge of the long side direction of two adjacent lining bodies is overlapped each other and length is formed
Edge lap overlay region and the overlap joint overlapping degree of long edge lap overlay region is controlled, while by the minor face side of two adjacent lining bodies
To edge it is overlapped and formed minor face overlap joint overlay region and control minor face overlap overlay region overlap joint overlapping degree；
B) welding preparation, to step A）Described in long edge lap overlay region in be bumped into a long frontier inspection and leak conductive wire, the length
Frontier inspection leak conductive wire by described two adjacent lining bodies long side direction edge institute envelope, and long frontier inspection leakage
The two ends end of long edge lap overlay region described in the two ends difference indentation of conductive wire, while to step A）Described in minor face
Minor face leak detection conductive wire is bumped in overlap joint overlay region, and the minor face hunts leak conductive wire by described two adjacent lining bodies
Short side direction edge institute envelope, and minor face overlap joint described in the two ends difference indentation of minor face leak detection conductive wire
The two ends end of overlay region；
C) weld, adopt hot air welding gun with the non-contacting state of the lining body to step B）Described long edge lap weight
Folded region and minor face overlap joint overlapping region carry out hot jet welding, are formed long edge lap overlay region and minor face overlap joint overlay region
Sealing, and the welding temperature of hot air welding gun, the translational speed of control hot air welding gun, control hot air welding gun is controlled from long edge lap
The distance on the surface of overlay region and control hot air welding gun overlap the surface distance of overlay region from minor face.
In another specific embodiment of the present invention, step A）Described in the long edge lap overlay region of control overlap joint
Overlapping degree is that overlap joint is controlled to 2-6 by overlapping degree；Described control minor face overlaps the overlap joint overlapping degree of overlay region
It is that overlap joint overlapping degree is controlled to into 3-8.
In another specific embodiment of the present invention, in the edge phase of the short side direction to the lining body
Mutually overlap and before forming short side direction overlap joint overlay region, prune corresponding to the minor face overlap joint overlay region region the T words
Shape retainingf key, T-shaped fixed key length of pruning are 3-8.
In another specific embodiment of the present invention, step B）Described in long frontier inspection leakage conductive wire two ends contracting
The indentation degree for entering the two ends end of the long edge lap overlay region is 1-3, the two ends of the minor face leak detection conductive wire
Described in indentation, the indentation degree of the two ends end of minor face leak detection overlay region is similarly 1-3.
In an also specific embodiment of the present invention, described long frontier inspection leaks conductive wire and described minor face
Leak detection conductive wire is copper wire.
In the present invention more and in a specific embodiment, step C）Described in control hot jet welding temperature be by
The temperature control of hot jet welding is 1000-1600 DEG C, and the speed of described control hot jet welding is by the speed control of hot jet welding
4-6s/m is made as, the described hot air welding gun that controls is to be by the distance controlling with a distance from the surface of the long edge lap overlay region
3-10mm, described control hot air welding gun is equally to be controlled to the distance with a distance from the surface that the minor face overlaps overlay region
3-10mm。
What another task of the present invention was performed by, a kind of construction leak hunting method of PVC lining corrosion protections, including following
Step：
A) prepare before examining, first to lining body back to the side diversion of armored concrete, when the length after the thermal weld described in
When edge lap overlay region and minor face overlap joint overlay region have leakage situation, the aquiform stool caused on lining body penetrates into long edge lap
In overlay region and in minor face overlap joint overlay region and invade the long frontier inspection leakage conductive wire and minor face leak detection conducting metal
Silk；
B) hunt leak, detected using spark rifle, open the detection switch of spark rifle and by leak detection personnel by the pipette tips pair of spark rifle
Lining body movement is against in the state of Ying Yuchang frontier inspections leakage conductive wire, it is arbitrary when the long edge lap overlay region
When position has seepage situation, when the pipette tips of spark rifle move to the breakthrough, electric shock spark shape is produced because short circuit occurs in circuit
Into a white electric arc arc light, the position for producing electric shock spark is marked by leak detection personnel, to point out workmen at once
Repair, hunted leak after repairing again, after finishing to the leak detection of long edge lap overlay region, overlay region is overlapped to the minor face in the same manner
Leak detection.
The present invention's and then in a specific embodiment, described spark rifle is low voltage and high current spark rifle.
The technical scheme that the present invention is provided has technical effect that：First, due to the T-shaped retainingf key in lining body
Top surface is additionally arranged T-shaped retainingf key potentiation binding cavity, thus can significantly improve the reliability between armored concrete and lasting
Combination effect, under arms during be not in release situation；Second, as the construction method for providing is in long and short edge lap
The position of overlay region has been bumped into long and short frontier inspection leakage conductive wire respectively, thus creates condition for the leak detection after construction；
Third, provide detection method by means of long and short frontier inspection leak conductive wire on the premise of can detect hot jet welding after length,
Minor face overlaps the breakthrough of overlay region, is made up with profit in time, it is ensured that construction quality.
Description of the drawings
Fig. 1 is the example structure figure of PVC lining corrosion protections of the present invention.
Fig. 2 is that the long side direction of two adjacent lining bodies is overlapped each other to form long edge lap weight by construction method of the present invention
Folded area and the schematic diagram that long frontier inspection leaks conductive wire is bumped in the long edge lap overlay region.
Fig. 3 is that construction method of the present invention forms minor face overlap joint weight by the long side direction of two adjacent lining bodies overlapped
Folded area and minor face is bumped in minor face overlap joint overlay region hunts leak the schematic diagram of conductive wire.
Fig. 4 is the schematic diagram that the present invention is applied to tunnel.
Specific embodiment
Embodiment 1：
Fig. 1 is referred to, shows that material is PVC（Polrvinyl chloride）And the lining body 1 for obtaining is extruded by extruded mould,
Side under 1 use state of lining body towards armored concrete is constituted the table that is raised in lining body 1 with space state
The T-shaped retainingf key 11. in face
The technical essential of the technical scheme provided as the present invention：Aforementioned T-shaped retainingf key 11 top surface and follow T words
The length direction of shape retainingf key 11 constitutes the T-shaped retainingf key potentiation for having a top surface for being depressed in T-shaped retainingf key 11 and combines
Chamber 111, plays the combination effect significantly improved and armored concrete between by T-shaped retainingf key potentiation binding cavity 111, will not
Occur the situation de- with armored concrete point during military service in the future.
In the present embodiment, the breadth width of aforementioned lining body 1 is 1350mm（1.35m）, the thickness of lining body 1 is
2mm, the height of T-shaped retainingf key 11 is 12mm, and the top width of T-shaped retainingf key 11 is 7mm, two adjacent T-shaped retainingf keys
Spacing between 11（Spacing distance）For 68mm.
Embodiment 2：
The breadth width of lining body 1 is changed to into 1460mm only, the thickness of lining body 1 is changed to into 1.5mm, by T-shaped fixation
The height of key 11 is changed to 8mm, and the width at the top of T-shaped retainingf key 11 is changed to 6mm, by two adjacent T-shaped retainingf keys 11 it
Between spacing be changed to 72mm, remaining is with the description to embodiment 1.
Embodiment 3：
The breadth width of lining body 1 is changed to into 1540mm only, the thickness of lining body 1 is changed to into 3mm, by T-shaped retainingf key
11 height is changed to 10mm, and the width at the top of T-shaped retainingf key 11 is changed to 8mm, by between two adjacent T-shaped retainingf keys 11
Spacing be changed to 70mm, remaining is with the description to embodiment 1.
Construction example 1：
This construction example be for the lining body 1 described in embodiment 1, and construction site be terrace.
Refer to Fig. 2 and Fig. 3 and combine Fig. 1, the construction method of the PVC lining corrosion protections of the present invention is comprised the following steps：
A) lay, the one side that lining body 1 as shown in Figure 1 has T-shaped retainingf key 11 is mixed to the reinforcing bar of casting complete
Solidifying soil, and T-shaped retainingf key 11 is insinuated in armored concrete, by the edge part of the long side direction of two adjacent lining bodies 1
Position overlaps each other and forms long edge lap overlay region 2 and the overlap joint overlapping degree of long edge lap overlay region 2 is controlled to 6,
Simultaneously will be the edge of the short side direction of two adjacent lining bodies 1 overlapped and formation minor face overlap joint overlay region 3 and general
The overlap joint overlapping degree of minor face overlap joint overlay region 3 is controlled to 3；
B) welding preparation, to step A）In be bumped into a long frontier inspection in aforesaid long edge lap overlay region 2 and leak conductive wire 4, should
Long frontier inspection leakage conductive wire 4 by aforementioned two adjacent lining bodies 1 long side direction edge institute envelope, and the long side
The two ends end of the two ends aforementioned long edge lap overlay region of difference indentation 2 of leak detection conductive wire 4（Port can also be claimed）Each 1,
Simultaneously to step A）In aforesaid minor face overlap joint overlay region 3 be bumped into minor face leak detection conductive wire 5, the minor face is hunted leak conductive gold
Category silk 5 by aforementioned two adjacent lining city bodies 1 short side direction edge institute envelope, and the minor face hunts leak conductive wire
The 5 aforementioned minor face of two ends difference indentation overlaps the two ends end of overlay region 3（Port can also be claimed）Each 2, it is T-shaped solid due to existing
Determine key 11, thus the edge in the short side direction to lining body 1 is overlapped and form short side direction overlap joint overlay region 3
Pruned using cutter before（Eliminate）Corresponding to the aforementioned T-shaped retainingf key 11 in the region of the minor face overlap joint overlay region 3, prune T
The length of font retainingf key 11 is 3, certainly, if the T-shaped retainingf key in the region is not eliminated, then can produce and take
Interference situations are connect, in the present embodiment, aforesaid long frontier inspection leakage conductive wire 4 and minor face leak detection conductive wire 5 are copper
Silk；
C) weld, adopt hot air welding gun with 1 non-contacting state of aforementioned lining body to step B）Long edge lap overlap
Region 2 and minor face overlap joint overlapping region 3 carry out hot jet welding, the material at high temperature at long edge lap overlay region 2 is melted and is tied
It is combined and forms sealing, and the material at high temperature at minor face overlap joint overlay region 3 is melted and is combined together and forms close
Envelope, and control hot air welding gun 1300 DEG C of welding temperature, control hot air welding gun translational speed be 5s/m, control hot air welding gun
With a distance from the surface of long edge lap overlay region 2 and control hot air welding gun from minor face overlap overlay region 3 surface distance be respectively
3mm, as the mechanism welded using hot air welding gun belongs to known technology, thus the not reinflated explanation of applicant, in the present embodiment
In, hot air welding gun is selected with being II type hot air welding guns of XG- by the trade mark of Chinese Shanghai new photocoagulation equipment company limited production and sales.
Construction example 2：
The present embodiment is that, for the lining body 1 described in embodiment 2,1 difference of example is with constructing：Only by step A）In
The overlap joint overlapping degree of described long edge lap overlay region 2 is changed to 2, and the overlap joint overlapping degree that minor face overlaps overlay region 3 is changed
For 8, by step B) described in long frontier inspection leakage conductive wire 4 the long edge lap overlay region of two ends difference indentation 2 two ends
The degree of end is changed to each 3, the two ends of the two ends difference indentation minor face overlap joint overlay region 3 of conductive wire 5 that minor face is hunted leak
The degree of end is changed to each 1, and the length of T-shaped retainingf key 11 of pruning is changed to 8；By step C）In hot air welding gun welding
Temperature is changed to 1000 DEG C, and the translational speed of hot air welding gun is changed to 6s/m, by hot air welding gun from long edge lap overlay region 2 and short
The distance on the surface of edge lap overlay region 3 is changed to 10mm.Remaining is with the description to example 1 of constructing.
Construction example 3：
The present embodiment is that, for the lining body 1 described in embodiment 3,1 difference of example is with constructing：Only by step A）In
The overlap joint overlapping degree of described long edge lap overlay region 2 is changed to 4, and the overlap joint overlapping degree that minor face overlaps overlay region 3 is changed
For 5, by step B) described in long frontier inspection leakage conductive wire 4 the long edge lap overlay region of two ends difference indentation 2 two ends
The degree of end is changed to each 2, the two ends of the two ends difference indentation minor face overlap joint overlay region 3 of conductive wire 5 that minor face is hunted leak
The degree of end is changed to each 3, and the length of T-shaped retainingf key 11 of pruning is changed to 5；By step C）In hot air welding gun welding
Temperature is changed to 1600 DEG C, and the translational speed of hot air welding gun is changed to 4s/m, by hot air welding gun from long edge lap overlay region 2 and short
The distance on the surface of edge lap overlay region 3 is changed to 6.5mm.Remaining is with the description to example 1 of constructing.
Construction example 4：
Fig. 4 is referred to, this construction example is, for tunnel 6, due to being directed to tunnel 6, thus to lay lining body 1
When supported by support bracket is interim to lining body 1（Supporting）, remaining is with the description to example 1 of constructing.
Detection example 1：
Hunted leak in arbitrary job site of construction example 1 to 3, its step is as follows：
A) prepare before examining, first to lining body 1 back to the side diversion of armored concrete, when it is premenstrual state thermal weld after long side take
When connecing overlay region 2 and minor face overlap joint overlay region 3 presence leakage situation, the aquiform stool caused on lining body 1 penetrates into long edge lap
In overlay region 2 and in minor face overlap joint overlay region 3 and invade long frontier inspection leakage conductive wire 4 and minor face leak detection conductive wire
5, can be in the position corresponding to long edge lap overlay region 2 and the two ends end of minor face overlap joint overlay region 3 as preferred scheme
Clamped with clip, in case water enters from end and attacks long and short frontier inspection and leak conductive wire 4,5；
B) hunt leak, detected using spark rifle, open the detection switch of spark rifle and by leak detection personnel by the pipette tips pair of spark rifle
The surface movement of aforementioned lining body 1 is against in the state of Ying Yuchang frontier inspections leakage conductive wire 4, when long edge lap overlay region 2
Arbitrary position when there is seepage situation, produce electric shock fire because short circuit occurs in circuit when the pipette tips of spark rifle move to the breakthrough
A white electric arc arc light is spent and formed, the position for producing electric shock spark is marked by leak detection personnel, to point out constructor
Member repairs at once, is hunted leak after repairing again, in the same manner the minor face is overlapped after finishing to the leak detection of long edge lap overlay region 2
Hunt leak overlay region 3.Spark rifle described in the present embodiment is low voltage and high current spark rifle, and also there is warning and electric current to show
Show function, this spark rifle is preferred, but not limited to select with by the production of departure electrical equipment company limited of Shenzhen of Guangdong province, China
Model DZB-3 type detector.
Detection example 2：
Detected in the job site of construction example 4, due to being applied to tunnel 6, thus relative to detection example 1 without the need for lining sheet
1 diversion of body, but using itself moisture in the armored concrete in tunnel 6, remaining is with the description of detection example 1.
In sum, the technical scheme that the present invention is provided compensate for the shortcoming in prior art, favorably accomplish invention
Task, the technique effect referred in faithfully having cashed the superincumbent technique effect hurdle of applicant.
Claims (10)
1. a kind of PVC lining corrosion protections, including lining body (1), towards armored concrete under lining body (1) use state
Side constituted the T-shaped retainingf key (11) on the surface for being raised in lining body (1) with space state, it is characterised in that in institute
The length direction composition for stating on the top surface of T-shaped retainingf key (11) and follow T-shaped retainingf key (11) has one to be depressed in T words
T-shaped retainingf key potentiation binding cavity (111) of the top surface of shape retainingf key (11).
2. PVC lining corrosion protections according to claim 1, it is characterised in that the breadth width of lining body (1) is
1350-1540mm, and the thickness of lining body (1) is 1.5-3mm；The height of T-shaped retainingf key (11) is 8-12mm, T
The width at the top of font retainingf key (11) is 6-8mm, and the spacing between adjacent T-shaped retainingf key (11) is 68-72mm.
3. a kind of construction method of PVC lining corrosion protections as claimed in claim 1, it is characterised in that comprise the following steps：
A) lay, lining body (1) is had into armored concrete of the one side of T-shaped retainingf key (11) to casting complete, and
T-shaped retainingf key (11) is insinuated in armored concrete, by the edge of the long side direction of two adjacent lining body (1) that
This overlaps and forms long edge lap overlay region (2) and control the overlap joint overlapping degree of long edge lap overlay region (2), while by two
The edge of the short side direction of adjacent lining body (1) is overlapped and form minor face overlap joint overlay region (3) and control short
The overlap joint overlapping degree of edge lap overlay region (3)；
B) welding preparation, to step A）Described in long edge lap overlay region (2) in be bumped into a long frontier inspection and leak conductive wire
(4), long frontier inspection leakage conductive wire (4) by described two adjacent lining body (1) long side direction edge institute envelope,
And the two ends end of long edge lap overlay region (2) described in the two ends difference indentation of long frontier inspection leakage conductive wire (4), while
To step A）Described in minor face overlap joint overlay region (3) in be bumped into minor face leak detection conductive wire (5), minor face leak detection is conductive
Tinsel (5) by described two adjacent lining body (1) short side direction edge institute envelope, and minor face leak detection is conductive
The two ends end of minor face overlap joint overlay region (3) described in the two ends difference indentation of tinsel (5)；
C) weld, adopt hot air welding gun with lining body (1) non-contacting state to step B）Take on described long side
Connecing overlapping region (2) and minor face overlap joint overlapping region (3) carries out hot jet welding, makes long edge lap overlay region (2) and minor face
Overlap joint overlay region (3) forms sealing, and controls the welding temperature of hot air welding gun, the translational speed of control hot air welding gun, control
Hot air welding gun is with a distance from the surface of long edge lap overlay region (2) and control hot air welding gun overlaps overlay region (3) from minor face
Surface distance.
4. the construction method of PVC lining corrosion protections according to claim 3, it is characterised in that step A）Described in control it is long
The overlap joint overlapping degree of edge lap overlay region (2) is that overlap joint is controlled to 2-6 by overlapping degree；Described control minor face overlap joint
The overlap joint overlapping degree of overlay region (3) is that overlap joint overlapping degree is controlled to 3-8.
5. the construction method of PVC lining corrosion protections according to claim 3, it is characterised in that to lining body (1)
Short side direction edge it is overlapped and formed short side direction overlap joint overlay region (3) before, prune corresponding to the minor face
The described T-shaped retainingf key (11) in the region of overlap joint overlay region (3), the length of T-shaped retainingf key (11) of pruning is 3-8.
6. the construction method of PVC lining corrosion protections according to claim 3, it is characterised in that step B）Described in the leakage of long frontier inspection
The indentation degree of the two ends end of long edge lap overlay region (2) described in the two ends indentation of conductive wire (4) is 1-3, described
Described in the two ends indentation of minor face leak detection conductive wire (5), the indentation degree of the two ends end of minor face leak detection overlay region (3) is same
For 1-3.
7. the construction method of the PVC lining corrosion protections according to claim 3 or 6, it is characterised in that described long frontier inspection leakage is led
Electric metal silk (4) and described minor face leak detection conductive wire (5) are copper wire.
8. the construction method of PVC lining corrosion protections according to claim 3, it is characterised in that step C）Described in control heat
It is 1000-1600 DEG C by the temperature control of hot jet welding that the temperature of wind welding is, the speed of described control hot jet welding be by
The speed controlling of hot jet welding is 4-6s/m, and described control hot air welding gun is from the surface of long edge lap overlay region (2)
It is 3-10mm by the distance controlling that distance is, described control hot air welding gun overlaps the surface of overlay region (3) from the minor face
Distance is that the distance is equally controlled to 3-10mm.
9. a kind of construction leak hunting method of PVC lining corrosion protections as claimed in claim 3, it is characterised in that comprise the following steps：
A) prepare before examining, first to lining body (1) back to the side diversion of armored concrete, described in after the thermal weld described in
When long edge lap overlay region (2) and minor face overlap joint overlay region (3) have leakage situation, the aquiform stool on lining body (1) is caused
Penetrate in long edge lap overlay region (2) and minor face overlap joint overlay region (3) is interior and invades long frontier inspection leakage conductive wire (4)
And minor face leak detection conductive wire (5)；
B) hunt leak, detected using spark rifle, open the detection switch of spark rifle and by leak detection personnel by the pipette tips pair of spark rifle
Described lining body (1) movement is against in the state of Ying Yuchang frontier inspections leakage conductive wire (4), when the long edge lap overlay region
(2), when arbitrary position has seepage situation, when the pipette tips of spark rifle move to the breakthrough, electricity is produced because short circuit occurs in circuit
Hit spark and form a white electric arc arc light, the position for producing electric shock spark is marked by leak detection personnel, to point out to apply
Workman person repairs at once, is hunted leak after repairing again, in the same manner to described short after finishing to long edge lap overlay region (2) leak detection
Hunt leak edge lap overlay region (3).
10. the construction leak hunting method of PVC lining corrosion protections according to claim 9, it is characterised in that described spark rifle is
Low voltage and high current spark rifle.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610907348.8A CN106522283B (en) | 2016-10-19 | 2016-10-19 | PVC lining corrosion protections and its construction and construction leak hunting method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610907348.8A CN106522283B (en) | 2016-10-19 | 2016-10-19 | PVC lining corrosion protections and its construction and construction leak hunting method |
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| CN106522283B CN106522283B (en) | 2018-10-09 |
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| CN106522283B (en) | 2018-10-09 |
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