CN109853623A - Spliced waterproof piping lane and its foundation structure - Google Patents
Spliced waterproof piping lane and its foundation structure Download PDFInfo
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- CN109853623A CN109853623A CN201910165093.6A CN201910165093A CN109853623A CN 109853623 A CN109853623 A CN 109853623A CN 201910165093 A CN201910165093 A CN 201910165093A CN 109853623 A CN109853623 A CN 109853623A
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- piping lane
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Abstract
The invention reside in provide a kind of spliced waterproof piping lane; it is related to the technical field of infrastructure construction; it includes end prefabricated piping lane section spliced with each other; there are deformation joints for the stitching portion of prefabricated piping lane section; deformation joint is filled by a circle expansion packing course and a circle sealing compound packing course; the outside of deformation joint is equipped with a circle waterstop; waterstop is morphotropism waterstop; a circle protective device is equipped on the outside of waterstop; there is the spliced waterproof piping lane circle whole to piping lane deformation joint to protect, the beneficial effect for avoiding piping lane from intaking.The present invention also provides the foundation structures of above-mentioned spliced waterproof piping lane, it includes foundation pit, bottom of foundation ditch is successively equipped with rock layer and sand stone layer from bottom to up, the stone partial size of rock layer is between 100mm-300mm, the gravel size of sand stone layer is between 1mm-5mm, prefabricated piping lane section is set to above sand stone layer, which, which has, prevents deformation joint from beneficial effect severely deformed and convenient for draining occurs.
Description
Technical field
The present invention relates to the technical fields of infrastructure construction, more particularly, to a kind of spliced waterproof piping lane and its ground
Structure.
Background technique
Piping lane is the comprehensive corridor of underground piping, i.e., builds a tunnel space in Urban Underground, by electric power, is communicated, combustion gas,
The various utilities pipelines such as heat supply, plumbing are integrated in one.Underground pipe gallery can be generally divided into cast-in-place class piping lane and prefabricated class
Piping lane, spliced piping lane belong to one kind of prefabricated class piping lane.Become to make Pipe rack not generated breathing by temperature, humidity variation
Shape, and the destruction to piping lane such as earthquake, sedimentation is prevented, it often needs in piping lane stitching position setting deformation joint, and deformation joint
It needs to carry out waterproof setting, is otherwise easy to make water from the route penetrated into deformation joint inside piping lane internal damage piping lane.
The Chinese invention of Publication No. CN107386321A provides a kind of piping lane deformation joint waterproof slab structure and construction
Method, waterproof construction uses the groove and elastic material corresponding with groove being set on concrete cushion, in advance in deformation joint
Enough deformation spaces are reserved in bottom, cooperate the effect of enhancement layer, can play to the waterproof roll of deformation joint suitable well
Should and protective effect；Waterproof construction method is somebody's turn to do according to the processing step for how efficiently obtaining the waterproof construction and summarizing
Step increases in the prior art and opens up groove, adds waterproof roll layer, elastic material and be laid on elastic material
Barrier paper,
Above structure has not only acted as preferable waterproof effect, Er Qiewei using reeded waterproof construction and elastic material is set
Certain deformation space has been reserved in the deformation of deformation joint, ensure that the waterproof effect after deformation joint deforms.
But prior art among the above has the following deficiencies: since the groove etc. in waterproof construction is arranged in pipe
On the concrete cushion of corridor bottom, therefore the structure is not particularly suited for the top and side of piping lane deformation joint.
Summary of the invention
One of the objects of the present invention is to provide a kind of spliced waterproof piping lane, have circle whole to piping lane deformation joint into
Row protection, the beneficial effect for avoiding piping lane from intaking.
The foregoing invention first purpose of the invention has the technical scheme that
A kind of spliced waterproof piping lane, including end prefabricated piping lane section spliced with each other, the stitching portion of the prefabricated piping lane section are stayed
There is deformation joint, the deformation joint is filled by a circle expansion packing course and a circle sealing compound packing course, and the sealing compound packing course is set to
The outer ring of the expansion packing course, the outside of the deformation joint are equipped with a circle waterstop, and the waterstop is morphotropism waterstop, institute
It states waterstop two sides to be connected in the prefabricated piping lane section of respective side, a circle protection dress is equipped on the outside of the waterstop
It sets.
By using above-mentioned technical proposal, prefabricated piping lane section is spliced with each other to be arranged manufacture and fortune so that prefabricated piping lane section
It is defeated more convenient, the speed of application of piping lane also faster, to save the engineering cost for building piping lane；What is be arranged in deformation joint is swollen
Swollen packing course still can be filled up deformation joint after the deformation in a certain degree occurs for deformation joint by the flexible of itself, be prevented
Only deformation joint is intake；Sealing compound packing course can be formed in the outer ring of deformation joint and be sealed, and obstructed extraneous rainwater and entered；Due to deformation type
The centre of waterstop itself have enclosed shape or it is open type stack, therefore a degree of deformation can occurs in deformation joint in it
When, piping lane is prevented to preferably protect the whole circle of deformation joint by the width that the deformation of itself is stitched come adaptive deformation
Interior water inlet, meanwhile, waterstop can also connect the prefabricated piping lane section of deformation joint two sides, and the connection reinforced between piping lane is strong
Degree；Protective device can protect the water sealing structure in deformation joint from the outermost of piping lane, prevent water sealing structure and melt pit
The equal substances that banket directly contact and causes water sealing structure breakage, influence the waterproof effect of piping lane.
The present invention is further arranged to: the protective device includes being set to the deformation joint outside and width greater than the change
The protector of shape slit width degree and the block plate for being covered on the protector opening, the section of the block plate are " Ω " type, and
" Ω " type empty cavity position is located at protection groove location, and the two sides of block plate are connected to the prefabricated piping lane of respective side using screw
Duan Shang, the waterstop are set to the bottom of the protector.
Sharp object by using above-mentioned technical proposal, when piping lane is embedded in underground, in melt pit bankets and melt pit bankets
It directly can be contacted without the structure touched within deformation joint with block plate, be tied so as to avoid to waterstop in deformation joint etc.
The damage of structure, the block plate of " Ω " type are more advantageous to draining, and the setting of block plate avoids water and enters from deformation joint, reaches
Preferable waterproof effect.
The present invention is further arranged to: being filled out between the waterstop and the block plate equipped with sealing strip, the sealing strip
It is made of water-absorbent material.
By using above-mentioned technical proposal, when water in the gap of block plate from when entering in protector, sealing strip can be first
The water of a part is first absorbed, when preventing protector internal water accumulation more, water is penetrated into inside piping lane by deformation joint.
The present invention is further arranged to: the block plate is in raised towards the deformation joint on piping lane upper wall and two sidewalls
Outside, the block plate is in raised towards the inside of the deformation joint on piping lane bottom wall.
It is flowed on the upper wall of deformation joint by using above-mentioned technical proposal since water has the trend to lower stream
Water can be held from raised two effluents, preferably avoid deformation joint, prevent from entering in deformation joint；And piping lane lower wall needs and melt pit
Bottom contact, the power born is larger, and the protrusion on the block plate on deformation joint bottom wall is towards the setting energy on the inside of deformation joint
Compressive deformation and damage caused by enough avoiding the bottom wall of the prominent piping lane of the protrusion on block plate more, protect protective device.
The present invention is further arranged to: perforation is equipped with the row for being parallel to the deformation joint on the roof of the prefabricated piping lane section
Sink, from being arranged diagonally downward to both ends among it, the both sides of the edge of the block plate each extend over the slot bottom of the rhone
To the rhone of its two sides.
By using above-mentioned technical proposal, flowed to from the intermediate projections of block plate block plate two sides water energy it is enough directly into
Enter in rhone, and flowed down by rhone, avoids water water flow caused by the excessive accumulation in block plate two sides from block plate
Seam crossing between prefabricated piping lane section penetrates into deformation joint.
The present invention is further arranged to: the expansion packing course is foamed styrene, and the expansion packing course is pre- with its two sides
Adhesives are used between the end of tubulation corridor section.
By using above-mentioned technical proposal, foamed styrene is with relative density is small, water imbibition is small, heat-insulated, sound insulation, vibration damping
The advantages that, thus its can Reducing distortion be sewn on deformation under natural conditions, thus Reducing distortion seam deformation caused by piping lane
Water inlet, in addition, foamed styrene can be made various specific shapes and directly apply in construction, and its is light-weight, therefore
It is easy for construction.
The present invention is further arranged to: being close to be equipped with waterproof membrane cloth outside piping lane, the seam of the waterproof membrane cloth avoids institute
Deformation joint setting is stated, and the search speed of seam crossing is not less than 20mm.
By using above-mentioned technical proposal, waterproof membrane cloth melt pit can be banketed in water segregation open, avoid water directly with
Piping lane contact, further enhances the waterproof effect of piping lane entirety.
The second object of the present invention is to provide a kind of foundation structure of spliced waterproof piping lane, and having prevents deformation joint
Beneficial effect severely deformed and convenient for draining occurs.
The foregoing invention second purpose of the invention has the technical scheme that
A kind of foundation structure of spliced waterproof piping lane, including foundation pit, the bottom of foundation ditch are successively equipped with stone from bottom to up
Layer and sand stone layer, for the stone partial size of the rock layer between 100mm-300mm, the gravel size of the sand stone layer is 1mm-
Between 5mm, the prefabricated piping lane section is set to above the sand stone layer.
By using above-mentioned technical proposal, the gap formed between stone makes rock layer have preferable permeable, draining
Effect can preferably flow away from rock layer when surface rain is flowed down from piping lane, and sandstone is for stone,
Partial size is smaller, therefore certain filling can be carried out to the gap between the stone in rock layer, so that the foundation structure was both protected
Certain internal interstices have been held, and have been unlikely to deform, while having also helped and keeping the smooth of ground upper surface.
The present invention is further arranged to: further including gabion box, the stone of the rock layer is loaded in the gabion box.
By using above-mentioned technical proposal, the limitation of gabion box so that check and balance between each stone in rock layer,
The part for reducing ground is sunk, so that foundation structure is more stable, and then avoids mutual splicing to a certain extent
Each section of prefabricated piping lane section between dislocation, avoid the severely deformed of deformation joint, playing prevents water from entering from deformation joint
Effect.
In conclusion advantageous effects of the invention are as follows:
1. by the way that expansion packing course, sealing compound packing course and waterstop are arranged in the deformation joint of piping lane, so that shape in deformation joint
Waterproof is carried out at multi layer waterproof structure, and out of whole circle of the deformation joint, improves the waterproof effect of piping lane, outside waterstop
Side is provided with protective device, and protective device can form remaining water-tight device in waterstop and deformation joint and protect, and avoids it
Breakage further improves the waterproof effect of piping lane；
2. the water flowed down from block plate is discharged from rhone, keeps away by the way that rhone is arranged on the roof of prefabricated piping lane section
Exempt from water to penetrate into deformation joint；
3. avoiding external water by pasting waterproof membrane cloth on the outer wall of piping lane entirety and directly being contacted with piping lane, played
Preferable waterproof effect；
4. setting rock layer and sand stone layer by successively filling out in bottom of foundation ditch, and the stone in rock layer is loaded in gabion box, from
And make the foundation structure of the spliced waterproof piping lane that there is stronger bearing capacity while draining.
Detailed description of the invention
Fig. 1 is a kind of spliced waterproof piping lane of present disclosure and its overall structure cross-sectional view of foundation structure.
Fig. 2 is the partial enlargement diagram of part A in Fig. 1, it is intended to indicate the deformation joint internal structure on piping lane roof.
Fig. 3 is the partial enlargement diagram of part B in Fig. 1, it is intended to indicate the deformation joint internal structure on piping lane bottom wall.
In figure, 1, prefabricated piping lane section；2, deformation joint；21, packing course is expanded；22, sealing compound packing course；23, waterstop；24, it protects
Protection unit；241, protector；242, sealing strip；243, block plate；244, swell fixture；3, rhone；4, waterproof membrane cloth；5, base
Hole；6, rock layer；61, gabion box；7, sand stone layer.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Referring to Fig.1, Fig. 2 is a kind of spliced waterproof piping lane disclosed by the invention, wherein spliced waterproof piping lane includes
End concrete prefabricated piping lane section 1 spliced with each other, prefabricated piping lane section 1 is poured in advance by Cement Concrete and framework of steel reinforcement, whole
Body is in the ring-type of rectangle, the equal length of each section of prefabricated piping lane section 1, the length of every section of prefabricated piping lane section 1 in this of the invention embodiment
Degree is 1500 ± 20mm, and there are deformation joint 2, the width of requirements of the national standard deformation joint 2 is 20- for the stitching portion of prefabricated piping lane section 1
30mm, the width of the deformation joint 2 of this embodiment design of the invention are 30mm, and deformation joint 2 is close by a circle expansion packing course 21 and a circle
Envelope cream packing course 22 is successively filled from inside to outside, wherein and expansion packing course 21 is the ring-type of rectangle made of foamed styrene, and
The size of its inner ring is identical as the size of prefabricated 1 inner ring of piping lane section, and the size of outer ring is less than the prefabricated piping lane section 1 on corresponding direction
Outer ring size, expand be all made of between 21 both ends of packing course and the end of corresponding prefabricated piping lane section 1 epobond epoxyn into
Row bonding, the binder are amenable to the test of extreme weather and temperature, and durability is stronger, and can be at prefabricated 1 end of piping lane section
Face forms one layer of hard shell, protects prefabricated piping lane section 1；The material of sealing compound packing course 22 is polyurethane sealant, bullet
Property it is good, cohesive force is strong, and elongation percentage is big, be capable of resistance to deformation seam 2 deformation；The external mounting of deformation joint 2 has a circle waterstop 23,
Waterstop 23 is morphotropism waterstop, it is preferred that waterstop 23 herein is the red copper waterstop of " Ω " shape, resistance to corrosion
By force, intensity is high, can bear moderate finite deformation, has a preferable sealing leak preventing effect, and screw is connected to pair 23 two sides of waterstop respectively
It answers in the prefabricated piping lane section 1 of side, protective device 24 is additionally provided on the outside of waterstop 23.
Expanding packing course 21 and sealing compound packing course 22 can be occurred in a certain degree by the flexible of itself in deformation joint 2
Deformation after still deformation joint 2 is filled up, prevent deformation joint 2 intake；Waterstop 23 itself has certain intensity, anti-
Sealing can connect the prefabricated piping lane section 1 of 2 two sides of deformation joint while entering piping lane, reinforce between prefabricated piping lane section 1
Bonding strength；Protective device 24 can protect each water sealing structure in deformation joint 2 from the outermost of piping lane, prevent each
Water sealing structure is directly contacted with the equal substances that banket in melt pit causes water sealing structure damaged, influences the waterproof effect of piping lane.
Referring to Fig. 2, Fig. 3, protective device 24 includes the outside for being set to deformation joint 2 and width is greater than 2 width of deformation joint
Protector 241 and the circle block plate 243 for being covered on 241 opening of protector, the end of block plate 243 closely abuts and uses
Polyurethane sealant is sealed.Waterstop 23 is connected to the bottom of protector 241 using screw, and block plate 243 herein is
Steel plate, the section of block plate 243 is similarly " Ω " type, and the two sides of block plate 243 are connected to respective side using swell fixture 244
Prefabricated piping lane section 1 on, swell fixture 244 is not easily to fall off when being subjected to banketing or the friction of melt pit, can better play guarantor
Protect the effect of deformation joint 2；It is filled out between waterstop 23 and block plate 243 equipped with sealing strip 242, sealing strip 242 is water-absorbent material system
It is water-absorbing sponge at the water-absorbent material in, the present invention at this time embodiment.
When piping lane is embedded in underground, melt pit bankets and melt pit bankets, and interior sharp object can be contacted directly with block plate 243
Without touching the structure within deformation joint 2, thus avoid to the isostructural damage of waterstop 23 in deformation joint 2, meanwhile,
Strip bulge on the block plate 243 of " Ω " type is more advantageous to draining, and the shape can adapt to the deformation of deformation joint 2, tool
There is stronger practicability；Sealing strip 242 can absorb the water penetrated from block plate 243 first, slow down water in 23 outside of waterstop
Accumulating rate, further increase the waterproof effect of piping lane.
Referring to Fig. 2, Fig. 3, since the bottom wall of piping lane is directly contacted with ground, it is therefore desirable to bear biggish pressure, and manage
The roof and side wall of corridor need to have preferable drainability, and therefore, block plate 243 is in convex on the upper wall and two sidewalls of piping lane
It rises towards the outside of deformation joint 2, the setting is so that the water for flowing to the top of deformation joint 2 can be from the raised two sides on block plate 243
Stream is opened, and deformation joint 2 is avoided；In the protrusion on 2 bottom wall of deformation joint towards the inside of deformation joint 2, which avoids block plate 243
Itself compressive deformation and damage caused by the bottom wall of the prominent piping lane of protrusion on block plate 243 is more, protect protection to fill
Set 24.
In addition, further drained for the ease of piping lane, referring to Fig.1, Fig. 2, the row of being provided on the roof of prefabricated piping lane section 1
Sink 3, rhone 3 are parallel to the setting of deformation joint 2 and are spaced at least 50mm between rhone 3 and the adjacent edge of protector 241,
It is preferably 70mm herein, the slot bottom of rhone 3 is arranged from the centre of prefabricated 1 roof of piping lane section to both ends diagonally downward, block
The both sides of the edge of plate 243 extend respectively to 3 top of rhone of its two sides.
When ground rainwater flows on piping lane roof, the rainwater of 2 top of deformation joint flows from the intermediate projections of block plate 243
It to 243 two sides of block plate, and flows directly into rhone 3, is then flowed down by rhone 3, so as to avoid water in block plate
Seam crossing of the water flow caused by the excessive accumulation in 243 two sides between block plate 243 and prefabricated piping lane section 1 penetrates into deformation joint 2
The phenomenon that occur.
Referring to Fig. 2, it is pasted with waterproof membrane cloth 4 using polyurethane sealant outside piping lane, it is anti-in this embodiment of the invention
Moisture film cloth 4 is elastic water-proof film cloth, and width 1600mm, the seam of waterproof membrane cloth 4 is avoided deformation joint 2 and is arranged, and seam crossing
Search speed be not less than 20mm, herein more be preferably 40-80mm.It should be noted that waterproof membrane cloth 4 is in deformation joint 2
The inner wall that protector 241 is close at place is arranged, the slot bottom of abutting rhone 3 is arranged at rhone 3, for connecting block plate 243
Screw be shot through waterproof membrane cloth 4 and hammer into prefabricated piping lane section 1.
Waterproof membrane cloth 4 melt pit can be banketed in water segregation open, avoid water from directly contacting with piping lane, further enhance
The waterproof effect of piping lane entirety.
Referring to Fig.1, Fig. 3, invention further discloses a kind of foundation structure of spliced waterproof piping lane, including foundation pit 5, foundation pits
5 bottoms are successively equipped with rock layer 6 and sand stone layer 7 from bottom to up, the stone partial size of rock layer 6 between 100mm-300mm, and
Stone is loaded in gabion box 61, and each gabion box 61 for filling stone is arranged along the length direction of foundation pit 5 side by side.Sand stone layer 7
Gravel size between 1mm-50mm, prefabricated piping lane section 1 is set to the top of sand stone layer 7.
When local surface rain is flowed down from piping lane, due to having gap between stone, rainwater can be between stone
Gap in flow away, the limitation of gabion box 61 reduces the office of ground so that check and balance between each stone in rock layer 6
Subordinate falls into, and the dislocation between each section spliced with each other prefabricated piping lane section 1 is avoided, so as to avoid the severely deformed of deformation joint 2.
For sandstone for stone, partial size is smaller, therefore certain fill out can be carried out to the gap between the stone in rock layer 6
It fills, so that the foundation structure had not only maintained certain internal interstices, but also there is preferable bearing strength, while also helping holding
Ground upper surface it is smooth.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (9)
1. a kind of spliced waterproof piping lane, including end prefabricated piping lane section (1) spliced with each other, the prefabricated piping lane section (1)
There are deformation joint (2) for stitching portion, it is characterised in that: the deformation joint (2) is filled out by circle expansion packing course (21) and a circle sealing compound
Layer (22) is filled, and the sealing compound packing course (22) is outside the outer ring of expansion packing course (21), the deformation joint (2)
Portion is equipped with circle waterstop (23), and the waterstop (23) is deformation type waterstop, and waterstop (23) two sides are separately connected
In on the prefabricated piping lane section (1) of respective side, a circle protective device (24) is additionally provided on the outside of the deformation joint (2).
2. spliced waterproof piping lane according to claim 1, it is characterised in that: the protective device (24) includes being set to institute
It states on the outside of deformation joint (2) and width is greater than the protector (241) of the deformation joint (2) width and is covered on the protector
(241) the block plate (243) of opening, the section of the block plate (243) is " Ω " type, and " Ω " type empty cavity position is located at guarantor
At protecting groove (241) position, the two sides of block plate (243) are connected on the prefabricated piping lane section (1) of respective side using screw, institute
State the bottom that waterstop (23) are set to the protector (241).
3. spliced waterproof piping lane according to claim 2, it is characterised in that: the waterstop (23) and the block plate
(243) it is filled out between equipped with sealing strip (242), the sealing strip (242) is made of water-absorbent material.
4. spliced waterproof piping lane according to claim 2, it is characterised in that: the block plate (243) is in piping lane upper wall
With the protrusion on two sidewalls towards the deformation joint (2) outside, the block plate (243) is in raised towards institute on piping lane bottom wall
State the inside of deformation joint (2).
5. spliced waterproof piping lane according to claim 4, it is characterised in that: on the roof of the prefabricated piping lane section (1)
Perforation is equipped with the rhone (3) for being parallel to the deformation joint (2), and the slot bottom of the rhone (3) is among it to both ends inclination
Down-set, the both sides of the edge of the block plate (243) extend respectively to above the rhone (3) of its two sides.
6. spliced waterproof piping lane according to claim 1, it is characterised in that: the expansion packing course (21) is foaming benzene second
Adhesives are used between the end of the prefabricated piping lane section (1) of alkene, expansion packing course (21) and its two sides.
7. spliced waterproof piping lane according to claim 1, it is characterised in that: be close to be equipped with waterproof membrane cloth outside piping lane
(4), the seam of the waterproof membrane cloth (4) avoids the deformation joint (2) setting, and the search speed of seam crossing is not less than 20mm.
8. the foundation structure of spliced waterproof piping lane as claimed in any of claims 1 to 7, it is characterised in that: packet
It includes foundation pit (5), foundation pit (5) bottom is successively equipped with rock layer (6) and sand stone layer (7), the rock layer (6) from bottom to up
Stone partial size between 100mm-300mm, the gravel size of the sand stone layer (7) is between 1mm-5mm, the prefabricated piping lane
Section (1) is set to above the sand stone layer (7).
9. the foundation structure of spliced waterproof piping lane according to claim 8, it is characterised in that: further include gabion box
(61), the stone of the rock layer (6) is loaded in the gabion box (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910165093.6A CN109853623A (en) | 2019-03-05 | 2019-03-05 | Spliced waterproof piping lane and its foundation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910165093.6A CN109853623A (en) | 2019-03-05 | 2019-03-05 | Spliced waterproof piping lane and its foundation structure |
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| Publication Number | Publication Date |
|---|---|
| CN109853623A true CN109853623A (en) | 2019-06-07 |
Family
ID=66899827
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910165093.6A Pending CN109853623A (en) | 2019-03-05 | 2019-03-05 | Spliced waterproof piping lane and its foundation structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110644533A (en) * | 2019-11-01 | 2020-01-03 | 中铁二院工程集团有限责任公司 | Take underground rainwater to collect utility tunnel structure of function |
| CN110954274A (en) * | 2019-11-25 | 2020-04-03 | 通号建设集团有限公司 | Assembly type pipe gallery waterproof test device and method |
| CN112962665A (en) * | 2021-02-07 | 2021-06-15 | 北京市政路桥股份有限公司 | Pipe gallery connecting structure and construction method thereof |
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Application publication date: 20190607 |