CN207597442U - A kind of prefabricated pipe gallery joint waterproof structure - Google Patents
A kind of prefabricated pipe gallery joint waterproof structure Download PDFInfo
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- CN207597442U CN207597442U CN201721751438.9U CN201721751438U CN207597442U CN 207597442 U CN207597442 U CN 207597442U CN 201721751438 U CN201721751438 U CN 201721751438U CN 207597442 U CN207597442 U CN 207597442U
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- prefabricated
- cushion rubber
- piping lane
- lane unit
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Abstract
The utility model is related to a kind of prefabricated pipe gallery joint waterproof structures, are related to building field.The prefabricated pipe gallery joint waterproof structure includes the first prefabricated piping lane unit and the second prefabricated piping lane unit, first prefabricated piping lane unit includes sequentially connected first connecting portion, frame body and second connecting portion, the outer wall of second connecting portion is equipped with ladder platform, ladder platform is equipped with the second cushion rubber, frame body is equipped with mounting groove, and the first cushion rubber is provided in mounting groove；Second prefabricated piping lane unit is identical with the structure of the first prefabricated piping lane unit, the first connecting portion of first prefabricated piping lane unit and the second connecting portion of the second prefabricated piping lane unit are clamped and have installation gap between first connecting portion and second connecting portion, and test chamber is formed between the second cushion rubber and the first cushion rubber.It effectively improves the safety of spliced prefabricated piping lane unit and durability.
Description
Technical field
The utility model is related to building field, in particular to a kind of prefabricated pipe gallery joint waterproof structure.
Background technology
As urban development is grown, all kinds of water supply, draining, combustion gas, power communication official website.Increasingly gather, these cobwebs
As city " blood vessel " it is stealthy in citizen beyond the invisible, once occur dangerous situation just as city occur " thrombus ", pavement excavation can not
It avoids, more makes troubles urban life.In order to safeguard underground utilities, road, which is fixed, does not have just excavate repeatedly within several years, this " to open drawing
The management method of chain " formula allows many citizen's headaches.Underground pipe gallery can effectively solve urban road excavate repeatedly bring it is all
More problems.
For pipe gallery as Urban Underground facility artery engineering, leakage problem is always the matter for perplexing infrastructure engineering
Common fault is measured, prevents pipeline and phenomenon is impregnated by percolating water for a long time, it is the skill that pipe gallery construction must take into consideration to resolve waterproof problem
One of art problem.Prefabricated pipe gallery seam crossing is the weak part of structure, and seam crossing water resistance is that influence precast assembly is comprehensive
Close the key technical problem of Pipe rack safety and durability.
Utility model content
The purpose of this utility model is to provide a kind of prefabricated pipe gallery joint waterproof structure, can its effectively only
Water convenient for splicing, effectively improves safety and the durability of spliced prefabricated piping lane unit.
The another object of the utility model is to provide a kind of construction method of prefabricated pipe gallery joint waterproof structure,
The stability of prefabricated pipe gallery joint waterproof structure can be effectively improved, effectively improves the accuracy of processing.
What the embodiment of the utility model was realized in：
A kind of prefabricated pipe gallery joint waterproof structure, including the first prefabricated piping lane unit and the second prefabricated piping lane list
Member.
First prefabricated piping lane unit include sequentially connected first connecting portion, frame body and second connecting portion, first
The internal diameter of connecting portion is less than the outer diameter of frame body, and the outer diameter of second connecting portion is less than the outer diameter of frame body, second connecting portion
Outer wall be equipped with to frame body axis be recessed ladder platform, ladder platform close to second connecting portion outer diameter be more than ladder platform it is remote
Outer diameter from second connecting portion, ladder platform are equipped with the second cushion rubber, and frame body is equipped with cricoid close to the end face of first connecting portion
Mounting groove is provided with the first cushion rubber in mounting groove；Second prefabricated piping lane unit is identical with the structure of the first prefabricated piping lane unit.
Second connecting portion clamping and first of the first connecting portion of first prefabricated piping lane unit with the second prefabricated piping lane unit
Between connecting portion and second connecting portion there is installation gap, test chamber is formed between the second cushion rubber and the first cushion rubber.
It is above-mentioned to further include the first polyethylene foam sheet layer and the second polyethylene in the utility model preferred embodiment
Foam sheet, the first polyethylene foam sheet layer are filled in side of first cushion rubber far from the second cushion rubber, the second polyethylene foam sheet
Layer is filled in side of second cushion rubber far from the first cushion rubber.
In the utility model preferred embodiment, above-mentioned first polyethylene foam sheet layer and the first cushion rubber are arranged at intervals,
Second polyethylene foam sheet layer and two cushion rubbers are arranged at intervals.
In the utility model preferred embodiment, the loading of above-mentioned first polyethylene foam sheet layer is more than the second poly- second
The loading of alkene foam sheet.
It is above-mentioned to further include the first sealant layer and the second sealant layer in the utility model preferred embodiment,
One sealant layer is set to side of the first polyethylene foam sheet layer far from the second polyethylene foam sheet layer, and the second sealant layer is set
It is placed in side of the second polyethylene foam sheet layer far from the first polyethylene foam sheet layer.
In the utility model preferred embodiment, above-mentioned second connecting portion is equipped with detection hole, and one end of detection hole is run through
The inner wall of frame body, the other end run through end face of the second connecting portion far from frame body, and detection hole is through second connecting portion
Position is between the second cushion rubber and the first cushion rubber.
In the utility model preferred embodiment, above-mentioned each prefabricated piping lane unit further include reinforcing bar, the first tensioning hole,
Mounting groove and the second tensioning hole, the first tensioning hole, mounting groove and the second tensioning hole are sequentially communicated, and reinforcing bar is arranged in successively
First tensioning hole of one prefabricated piping lane unit and the second tensioning hole of the second prefabricated piping lane unit, the both ends of reinforcing bar are individually fixed in
Two mounting grooves.
In the utility model preferred embodiment, the caliber of above-mentioned reinforcing bar is less than the aperture in the first tensioning hole, reinforcing bar
Caliber is less than the aperture in the second tensioning hole.
In the utility model preferred embodiment, above-mentioned detection hole includes the first detection hole and second interconnected
Detection hole, the area of section of the first detection hole are more than the area of section of the second detection hole, and the second detection hole runs through second connecting portion
End face far from frame body, the first detection hole run through the inner wall of frame body.
In the utility model preferred embodiment, the width in above-mentioned installation gap is 9mm.
The advantageous effect of the utility model embodiment is：
The set-up mode of first connecting portion and second connecting portion effectively improves the knot of prefabricated pipe gallery joint waterproof structure
Structure compactedness, while effectively make the stitching portion more waterproof of at least two prefabricated piping lane units.Meanwhile second cushion rubber and first
The setting of cushion rubber further improves the sealing waterproof effect of prefabricated pipe gallery joint waterproof structure, and that improves piping lane uses the longevity
Life.Meanwhile the setting of test chamber effectively improves the service life of piping lane convenient for test seam waterproof performance.
Description of the drawings
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structure diagram of prefabricated pipe gallery joint waterproof structure that the utility model embodiment provides；
Fig. 2 is the structure diagram at the first visual angle of the first prefabricated piping lane unit that the utility model embodiment provides；
Fig. 3 is the structure diagram at the second visual angle of the first prefabricated piping lane unit that the utility model embodiment provides；
Fig. 4 is the structure diagram of detection hole that the utility model other embodiment provides；
Fig. 5 is the structure diagram of the first cushion rubber that the utility model other embodiment provides；
Fig. 6 is the flow diagram of construction method that the utility model embodiment provides.
In figure：The prefabricated pipe gallery joint waterproof structures of 10-；The first prefabricated piping lane units of 100a-；100b- second is prefabricated
Piping lane unit；110- frame bodies；113- mounting grooves；120- first connecting portions；The first cushion rubbers of 130-；The first water-swellables of 131-
Cushion rubber；The first non-water-swellable cushion rubbers of 133-；134- the second water-swellable cushion rubbers；140- detection holes；The first detection holes of 141-；
The second detection holes of 143-；145- sealing rings；150- second connecting portions；153- ladder platforms；The second cushion rubbers of 160-；170- reinforcement blocks；
The first tensioning of 171- hole；173- fixing grooves；200- installs gap；210- test chambers；220- the first polyethylene foam sheet layers；230-
Second polyethylene foam sheet layer；The first sealant layers of 240-；The second sealant layers of 250-.
Specific embodiment
Purpose, technical scheme and advantage to make the utility model embodiment are clearer, new below in conjunction with this practicality
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can be configured to arrange and design with a variety of different.
Therefore, requirement is not intended to limit to the detailed description of the embodiment of the utility model provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, those of ordinary skill in the art's all other embodiments obtained without creative efforts, all
Belong to the range of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need to that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instructions such as " level ", " interior ", " outer " or position relationship be based on orientation shown in the drawings or position relationship or
The utility model product using when the orientation usually put or position relationship, be for only for ease of description the utility model and letter
Change description rather than instruction or imply signified device or element must have specific orientation, with specific azimuth configuration and
Operation, therefore it is not intended that limitation to the utility model.In addition, term " first ", " second ", " third " etc. are only used for area
Divide description, and it is not intended that instruction or hint relative importance.
In addition, the terms such as term " level ", " vertical ", " pendency " are not offered as requiring component abswolute level or pendency, and
It is that can be slightly tilted.It is not to represent the structure if " level " only refers to that its direction is more horizontal with respect to for " vertical "
It has to fully horizontally, but can be slightly tilted.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Put ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected,
Or it is integrally connected；Can be mechanical connection or electrical connection；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition
Solve concrete meaning of the above-mentioned term in the utility model.
It please refers to and reads 1, the present embodiment provides a kind of prefabricated pipe gallery joint waterproof structure 10, including the first prefabricated pipe
The prefabricated piping lane unit 100b of corridor unit 100a and second, wherein, the first prefabricated prefabricated piping lane units of piping lane unit 100a and second
The structure of 100b is identical.
The first prefabricated prefabricated piping lane unit 100b of piping lane unit 100a and second can be through glue-line (not shown), such as phenolic aldehyde tree
The bondings such as fat for consolidating the junction of the first prefabricated prefabricated piping lane unit 100b of piping lane unit 100a and second, are used for simultaneously
It prevents from seeping water.
Also referring to Fig. 2 and Fig. 3, the first prefabricated piping lane unit 100a is prefabricated by armored concrete, including successively
First connecting portion 120, frame body 110 and the second connecting portion 150 of connection.
Wherein, the internal diameter of first connecting portion 120 is less than the outer diameter of frame body 110, and the outer diameter of second connecting portion 150 is less than
The outer diameter of frame body 110.Frame body 110 has the space for accommodating goods and materials etc..
When the first prefabricated prefabricated piping lane unit 100b of piping lane unit 100a and second coordinate, the first prefabricated piping lane unit
The first connecting portion 120 of 100a and the second connecting portion 150 of the second prefabricated piping lane unit 100b are clamped, and are made so as to effectively save
Technological process, while effectively improve sealing performance.Stress concentration when being easily installed, while effectively reducing against each other simultaneously.
Specifically, frame body 110 is equipped with cricoid mounting groove 113 close to the end face of first connecting portion 120.Mounting groove
113 are located on the end face of first connecting portion 120 along the axis of frame body 110.
The section of mounting groove 113 is preferably isosceles trapezoid, and the diameter of section of mounting groove 113 is by close to first connecting portion
120 side to the side far from first connecting portion 120 becomes larger.For installing the first cushion rubber 130.
Preferably, second connecting portion 150 has cricoid ladder platform 153.Ladder platform 153 is located at second connecting portion 150
Outer wall is simultaneously recessed to the axis of frame body 110, and ladder platform 153 is more than ladder platform 153 far close to the outer diameter of second connecting portion 150
Outer diameter from second connecting portion 150, for installing the second cushion rubber 160.
First prefabricated piping lane unit 100a includes the first cushion rubber 130 and the second cushion rubber 160 of wedge shape.
Wherein, in the present embodiment, 130 section of the first cushion rubber is trapezoidal, is set in mounting groove 113.
In the present embodiment, the first cushion rubber 130 is made by hydro-expansive rubber, and the second cushion rubber 160 is by non-hydro-expansive rubber
It is made.It works in coordination, effectively improves sealing performance.
In the utility model others embodiment, referring to Fig. 4, the first cushion rubber 130, which includes sequentially connected first, meets water
Expand cushion rubber 131, the first non-133 and second water-swellable cushion rubber 134 of water-swellable cushion rubber, the second water-swellable cushion rubber 134
It is connect with mounting groove 113.Wherein, the cross-sectional width of the first cushion rubber 130 is along the second water-swellable cushion rubber 134 to the first water-swellable
Cushion rubber 131 becomes larger after tapering into, so as to make to be stayed between the side of the second water-swellable cushion rubber 134 and the side wall of mounting groove 113
There is expansion clearance, while make its lateral expansion, sealing effect is more preferably.Make it have the effect of elastic waterstop and expansion water-stop.
Under above-mentioned set-up mode, first, elastic packing is carried out, secondly, pipeline first makes the first chance after external world's infiltration is come in
Water expansion cushion rubber 131 expands and 134 lateral expansion of the second water-swellable cushion rubber, makes its sealing effect more preferably, while first meets
Water expands cushion rubber 131, the joint face of the first non-133 and second water-swellable cushion rubber 134 of water-swellable cushion rubber is cambered surface, effectively
It gives expansion space and water is made to be more convenient for discharging from detection hole 140.
While in order to further improve the first cushion rubber 130 and the stability of the junction of mounting groove 113, the first cushion rubber 130
Glue-line (not shown), such as novolac resin layer etc. are equipped between the contact surface of mounting groove 113.
Second cushion rubber 160 can also be made by the hydro-expansive rubber interconnected with non-hydro-expansive rubber.So as to make
Second cushion rubber 160 can either elastic waterstop, and can be with expansion water-stop.So that when by elastic waterstop can not sealing when, expand rubber
Glue meets water and generates expansion.
While in order to further improve the second cushion rubber 160 and the stability of the junction of ladder platform 153, the second cushion rubber 160
Glue-line (not shown), such as novolac resin layer etc. are equipped between the contact surface of ladder platform 153.
Please continue to refer to Fig. 1, first connecting portion 120 and second prefabricated pipe of the first prefabricated piping lane unit 100a
The second connecting portion 150 of corridor unit 100b is clamped and has peace between the first connecting portion 120 and the second connecting portion 150
Gap 200 is filled, 200 width of gap is preferably installed in 8.5-9.5mm, such as 9mm, effectively improves convenience and the installation of installation
Sealing performance afterwards.
Prefabricated pipe gallery joint waterproof structure 10 further includes the first polyethylene foam sheet layer 220, the second polyethylene
Plate layer 230, the first sealant layer 240 and the second sealant layer 250.
Specifically, the first polyethylene foam sheet layer 220 is filled in side of first cushion rubber 130 far from the second cushion rubber 160, the
Dimerized vinyl foam sheet 230 is filled in side of second cushion rubber 160 far from the first cushion rubber 130.First polyethylene foam sheet layer
220 loading is more than the loading of the second polyethylene foam sheet layer 230, further improves sealing performance, while effectively save
Cost.
Preferably, the first polyethylene foam sheet layer 220 is arranged at intervals with the first cushion rubber 130, the second polyethylene foam sheet layer
230 and two cushion rubber be arranged at intervals, further under conditions of leakproofness is not influenced, effectively save cost.
First sealant layer 240 is set to the first polyethylene foam sheet layer 220 far from the second polyethylene foam sheet layer 230
Side, the second sealant layer 250 are set to one of the second polyethylene foam sheet layer 230 far from the first polyethylene foam sheet layer 220
Side.It is further used for improving water resistance, extends the service life of spliced prefabricated pipe gallery.
In order to detect the leakproofness between the first prefabricated prefabricated piping lane unit 100b of piping lane unit 100a and second, prevent from oozing
Water, therefore, second connecting portion 150 are equipped with detection hole 140, and the wherein quantity of detection hole 140 is four, in the present embodiment, frame
The rectangular cross-section of ontology 110, four detection holes 140 are located at the side wall for surrounding frame body 110 respectively, for detecting each side
The leakproofness of wall.
Specifically, the inner wall of frame body 110 is run through in one end of detection hole 140, and the other end is remote through second connecting portion 150
End face from frame body 110, horizontal plane of the detection hole 140 through the place of the position of second connecting portion 150 are located at mounting groove
113 close to the side of the outer diameter of second connecting portion 150.I.e. when the first prefabricated prefabricated piping lane units of piping lane unit 100a and second
When 100b coordinates, detection hole 140 between mounting groove 113 and ladder platform 153, is ascended the throne through the position of second connecting portion 150
Between the first cushion rubber 130 and the second cushion rubber 160.Meanwhile the setting of detection hole 140, can also in the first cushion rubber 130 and
Filling paste is sealed repairing between second cushion rubber 160, can also water through the second cushion rubber 160 enter the first cushion rubber 130 after,
Draining is carried out, further prevents seeping water, meanwhile, further improve the durability of the first cushion rubber 130.
Optionally, referring to Fig. 5, in another kind embodiment provided by the utility model, detection hole 140 includes interconnecting
The first detection hole 141 and the second detection hole 143, the area of section of the first detection hole 141 is more than the second detection hole 143, the
Two detection holes 143 run through end face of the second connecting portion 150 far from frame body 110, and the first detection hole 141 runs through frame body
110 inner wall.The junction rounding off of first detection hole 141 and the second detection hole 143.Pass through cutting for the first detection hole 141
Face area is more than the second detection hole 143, is effectively formed negative pressure, automatic absorption draining.
Preferably, the sealing ring 145 for sealing the first detection hole 141,145 and first detection hole of sealing ring are further included
141 are detachably connected.After sealing, moisture is absorbed into the second detection hole 143 from the first detection hole 141 by principle of negative pressure
It is interior, it opens sealing ring 145 and carries out 145 communicated drainage device of draining or sealing ring, such as water tank being connect with suction pump etc., i.e.,
It can effective draining.
Wherein, detection hole 140 is surrounded by waterproof material, is prevented water from entering frame body 110 and is reduced the service life.
The junction of the adjacent any two side wall of frame body 110 is equipped with reinforcement block 170, effectively reduces stress heap
Product, wherein, reinforcement block 170 herein refer in reinforcement block 170 obtained by pouring into a mould through concrete equipped with reinforcing rib (not shown).
In order to make the connection of the first prefabricated prefabricated piping lane unit 100b of piping lane unit 100a and second more firm, Mei Gejia
Strong block 170 is equipped with the first tensioning hole 171, fixing groove 173, the second tensioning hole and reinforcing bar (not shown).
Fixing groove 173 is set to two inner walls of frame body 110, the one end in the first tensioning hole 171 and first connecting portion
120 connections, the other end are connected with fixing groove 173, and the one end in the second tensioning hole is connected with second connecting portion 150, and the other end is with consolidating
Determine slot 173 to connect, the first tensioning hole 171 and the second tensioning hole are set along the axisymmetrical of fixing groove 173.Reinforcing bar is worn successively
In the first tensioning hole 171 and the second tensioning hole of another prefabricated pipe gallery, the both ends of reinforcing bar are individually fixed in two fixations
Slot 173, such as be screwed.
Optionally, the caliber of multiple spirals is less than the aperture in the first tensioning hole 171 and the second tensioning hole, so as to make
First prefabricated piping lane unit 100a can be flexibly connected with the second prefabricated piping lane unit 100b, effectively improve its leakproofness.
Referring to Fig. 6, the utility model also provides a kind of construction party of above-mentioned prefabricated pipe gallery joint waterproof structure 10
Method, including：
S1. the first prefabricated piping lane unit 100a is installed into the first cushion rubber 130, the second prefabricated piping lane unit 100b installations second
Cushion rubber 160.
Specifically, after the surface of the first cushion rubber 130 and corresponding mounting groove 113 is cleaned up, in the first glue of wedge shape
Circle 130 is close to brushing phenolic adhesive at the side and mounting groove 113 of mounting groove 113.It treats more than bonding agent surface drying 10min,
And when can glue the back of the hand, the application work of the first cushion rubber 130 is carried out.And it is hammered into shape with plastic cement and taps the first cushion rubber 130, make it securely
Be bonded in mounting groove 113.
Then, after the surface of the second cushion rubber 160 and ladder platform 153 is cleaned up,
The brushing phenolic adhesive at the side for being close to ladder platform 153 of the second cushion rubber 160 and ladder platform 153.It waits to glue
When connecing more than agent surface drying 10min, and the back of the hand can be glued, the application work of the second cushion rubber 160 is carried out.And tap the with plastic cement hammer
Two cushion rubbers 160, make it firmly be bonded in ladder platform 153.
S2. splice
Second prefabricated piping lane unit 100b is sling into static 2min after liftoff 50-100mm, checks the balance of hoisting component
Deng, check it is errorless after carry out the contraposition of hoisting component and the to be assembled first prefabricated piping lane unit 100a again close to work.By
In near procedure, the slingers of both sides holds the lumps of wood in component both sides, prevents member impacts from damaging.And according to the axis of both sides and
Sideline measures whether component is aligned, and then fall the first prefabricated piping lane unit 100a after alignment.
S3. tensioning
Reinforcing bar, such as JL25 fining twisted steels are arranged in the first tensioning hole 171 of the first prefabricated piping lane unit 100a successively
With the second tensioning hole of the second prefabricated pipe gallery, both ends install anchor plate locking nut etc. and are individually fixed in two fixations respectively
Slot 173.
In rear single 4, the storehouse type of rear end face installation for carrying out the second assembled prefabricated piping lane unit 100b (double storehouses are then 6)
60T punchings jack and anchor plate locking nut, left and right sides jack simultaneous tension fining twisted steel slowly push second
Prefabricated piping lane unit 100b advances.
Specifically, during tensioning, first connecting portion 120 is promoted along the often advance 3cm pauses of the left and right sides of direction of propulsion, is measured
Second prefabricated piping lane unit 100b is located at lateral gap of the first connecting portion 120 along the left and right sides of direction of propulsion, keeps gap
Gap≤0.5mm ensures that not occurring left and right in stretching process draws partially.To installation 200 width of gap in 8.5-9.5mm, such as 9mm
When, then carry out tensioning again.After completing piping lane assembly work, the nut at both ends is locked.
S4. chamber 210 carries out gained after waterproof experiment qualification after tested.
After the completion of the first prefabricated prefabricated piping lane unit 100b assembly of piping lane unit 100a and second, after testing hole 140 to
After test chamber 210 fills the air that clean water is excluded in test chamber 210, it is classified and applies hydraulic pressure, after every grade of pressurization 0.01Mpa, etc.
Leakage has been seen whether after 2min and has recorded data, when being forced into 0.05Mpa, leakage has been seen whether simultaneously after waiting for 5min
Data are recorded, when being forced into 0.09Mpa, whether observation pressure gauge falls pressure after waiting for 5min.As pressed without falling or falling to be pressed in 0.02Mpa
In the range of, it is good seal that seam crossing, which does not have Seepage, and closed-water test is qualified.If occurring, pressure is serious or seam crossing is apparent
Drainage should remove the second prefabricated piping lane unit 100b, check that replacing sealing joint strip carries out assembled and closed-water test again.
It is close finally, for the junction fluid sealant of the first prefabricated piping lane unit 100a and the second prefabricated piping lane unit 100b
Envelope, the first prefabricated prefabricated piping lane unit 100b of piping lane unit 100a and second the outer side seams installation example in junction such as
The first polyethylene foam sheet layer 220 of 70mm high, then the fluid sealant with such as 30mm high, such as two-component polysulfide sealant are close
Envelope.The first polyethylene foam sheet layer 220 of such as 30mm high at the second prefabricated piping lane unit 100b joined insides is installed, then is used
Such as the fluid sealant of 30mm high, such as the sealing of two-component polysulfide sealant.Above-mentioned prefabricated pipe gallery joint waterproof structure 10
Construction method can effectively improve the stability of prefabricated pipe gallery joint waterproof structure 10, effectively improve the accurate of processing
Property.
To sum up, prefabricated pipe gallery joint waterproof structure provided by the utility model, can its effective sealing, convenient for spell
It connects, effectively improves safety and the durability of spliced prefabricated piping lane unit.
It these are only the preferred embodiment of the utility model, be not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of prefabricated pipe gallery joint waterproof structure, which is characterized in that prefabricated including the first prefabricated piping lane unit and second
Piping lane unit,
The first prefabricated piping lane unit includes sequentially connected first connecting portion, frame body and second connecting portion, described
The internal diameter of first connecting portion is less than the outer diameter of the frame body, and the outer diameter of the second connecting portion is less than the frame body
Outer diameter, the outer wall of the second connecting portion are equipped with the ladder platform being recessed to the axis of the frame body, and the ladder platform is close
The outer diameter of the second connecting portion is more than outer diameter of the ladder platform far from the second connecting portion, and the ladder platform is equipped with second
Cushion rubber, the frame body are equipped with cricoid mounting groove close to the end face of the first connecting portion, are provided in the mounting groove
First cushion rubber, the second prefabricated piping lane unit are identical with the structure of the described first prefabricated piping lane unit；
The second connecting portion clamping of the first connecting portion of the first prefabricated piping lane unit and the described second prefabricated piping lane unit and
There is installation gap, between second cushion rubber and first cushion rubber between the first connecting portion and the second connecting portion
Form test chamber.
2. prefabricated pipe gallery joint waterproof structure according to claim 1, which is characterized in that further include the first polyethylene
Foam sheet and the second polyethylene foam sheet layer, the first polyethylene foam sheet layer are filled in first cushion rubber far from institute
The side of the second cushion rubber is stated, the second polyethylene foam sheet layer is filled in one of second cushion rubber far from first cushion rubber
Side.
3. prefabricated pipe gallery joint waterproof structure according to claim 2, which is characterized in that the first polyethylene bubble
Foam plate layer is arranged at intervals with first cushion rubber, and the second polyethylene foam sheet layer is arranged at intervals with two cushion rubber.
4. prefabricated pipe gallery joint waterproof structure according to claim 2, which is characterized in that the first polyethylene bubble
The loading of foam plate layer is more than the loading of the second polyethylene foam sheet layer.
5. the prefabricated pipe gallery joint waterproof structure according to claim 2-4 any one, which is characterized in that further include
First sealant layer and the second sealant layer, it is separate that first sealant layer is set to the first polyethylene foam sheet layer
The side of the second polyethylene foam sheet layer, it is separate that second sealant layer is set to the second polyethylene foam sheet layer
The side of the first polyethylene foam sheet layer.
6. prefabricated pipe gallery joint waterproof structure according to claim 1, which is characterized in that the second connecting portion is set
There is detection hole, the inner wall of the frame body is run through in one end of the detection hole, and the other end is separate through the second connecting portion
The end face of the frame body, the detection hole are located at second cushion rubber and described the through the position of the second connecting portion
Between one cushion rubber.
7. prefabricated pipe gallery joint waterproof structure according to claim 1, which is characterized in that each prefabricated piping lane
Unit further includes reinforcing bar, the first tensioning hole, mounting groove and the second tensioning hole, the first tensioning hole, the mounting groove and
The second tensioning hole is sequentially communicated, and the reinforcing bar is arranged in the first tensioning hole and the institute of the described first prefabricated piping lane unit successively
The second tensioning hole of the second prefabricated piping lane unit is stated, the both ends of the reinforcing bar are individually fixed in two mounting grooves.
8. prefabricated pipe gallery joint waterproof structure according to claim 7, which is characterized in that the caliber of the reinforcing bar is small
In the aperture in the first tensioning hole, the caliber of the reinforcing bar is less than the aperture in the second tensioning hole.
9. prefabricated pipe gallery joint waterproof structure according to claim 1, which is characterized in that the width in the installation gap
It spends for 8.5-9.5mm.
10. prefabricated pipe gallery joint waterproof structure according to claim 6, which is characterized in that the detection hole includes
The first detection hole and the second detection hole interconnected, the area of section of first detection hole are more than second detection hole
Area of section, second detection hole run through end face of the second connecting portion far from the frame body, it is described first inspection
Gaging hole runs through the inner wall of the frame body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721751438.9U CN207597442U (en) | 2017-12-14 | 2017-12-14 | A kind of prefabricated pipe gallery joint waterproof structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107859075A (en) * | 2017-12-14 | 2018-03-30 | 成都市第三建筑工程公司 | A kind of prefabricated pipe gallery joint waterproof structure and its construction method |
| CN110424458A (en) * | 2019-08-20 | 2019-11-08 | 中国建筑第八工程局有限公司 | Tunneling boring PC piping lane piece construction and its closed-water test method |
| CN110485462A (en) * | 2019-08-20 | 2019-11-22 | 中国建筑第八工程局有限公司 | Tunneling boring PC piping lane construction method of installation |
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2017
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107859075A (en) * | 2017-12-14 | 2018-03-30 | 成都市第三建筑工程公司 | A kind of prefabricated pipe gallery joint waterproof structure and its construction method |
| CN110424458A (en) * | 2019-08-20 | 2019-11-08 | 中国建筑第八工程局有限公司 | Tunneling boring PC piping lane piece construction and its closed-water test method |
| CN110485462A (en) * | 2019-08-20 | 2019-11-22 | 中国建筑第八工程局有限公司 | Tunneling boring PC piping lane construction method of installation |
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