CN208201896U - A kind of underground engineering dewatering well waterproof construction - Google Patents
A kind of underground engineering dewatering well waterproof construction Download PDFInfo
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- CN208201896U CN208201896U CN201721925319.0U CN201721925319U CN208201896U CN 208201896 U CN208201896 U CN 208201896U CN 201721925319 U CN201721925319 U CN 201721925319U CN 208201896 U CN208201896 U CN 208201896U
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- steel pipe
- waterproof
- butyl rubber
- dewatering well
- thickness
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Abstract
The utility model discloses a kind of underground engineering dewatering well waterproof constructions, including steel pipe, expansive concrete is filled in steel pipe, the upper Seal welding of steel pipe is connected to sealing steel plate, it is being located at the self-adhesion glue film waterproof roll, butyl rubber band and the waterproof armored concrete that are successively arranged 1.5mm thickness of the top of blinding layer from bottom to top, it is 250mm that butyl rubber band, which is wrapped in the height on steel pipe from the self-adhesion glue film waterproof roll of 1.5mm thickness,；It is sealed between the top and outer wall of steel pipe of butyl rubber band with sealant；The top of butyl rubber band is equipped with ferrule；Zinc-plated seal ring after being set with 10mm on steel pipe, at the 1/2 of base plate thickness, it is closely connected between the upper surface and outer wall of steel pipe of zinc-plated seal ring to have expansion sealing strip.The utility model mainly improves the waterproof of dewatering well root, to solve dewatering well root due to waterproof leakiness, the phenomenon that leakage.
Description
Technical field
The utility model relates to a kind of underground project waterproof structure more particularly to a kind of underground engineering dewatering well waterproof knots
Structure.
Background technique
The waterproof of underground engineering dewatering well generallys use sealing steel loop at present, sealing steel loop and waterproof polymer mortar etc. are prevented
Water-bound.But it is high for engineering level of ground water, if above-mentioned common waterproof construction is used in dewatering well root, since waterproof is not close
It is real, there is leakage phenomenon.Therefore, for the execution conditions of underground high water level, it is necessary to change to the waterproof construction of dewatering well
Into.
Utility model content
For the prior art, the utility model proposes a kind of underground engineering dewatering well waterproof construction, can efficiently solve
There is leakage phenomenon due to waterproof leakiness in phreatic high dewatering well root.
In order to solve the above-mentioned technical problem, the utility model proposes a kind of underground engineering dewatering well waterproof construction, including
Steel pipe, is filled with expansive concrete in the steel pipe, and the upper Seal welding of the steel pipe is connected to sealing steel plate, in place on the steel pipe
In the top of the blinding layer self-adhesion glue film waterproof roll for being successively arranged 1.5mm thickness from bottom to top, butyl rubber band and
Waterproof armored concrete, the diameter for the area that the self-adhesion glue film waterproof roll is spread out are 1500mm, the butyl rubber sealing
The area that band is covered on the self-adhesion glue film waterproof roll of the 1.5mm thickness is to be with the outwardly extending radius of outer surface of steel tube
The annulus area of 300mm, the butyl rubber band are wrapped in described from the self-adhesion glue film waterproof roll of 1.5mm thickness
Height on steel pipe is 250mm；It is sealed between the top and outer wall of steel pipe of the butyl rubber band with sealant；The fourth
The top of base rubber seal tape is equipped with ferrule；It is zinc-plated after being set with 10mm on the steel pipe, at the 1/2 of base plate thickness
Seal ring, it is closely connected between the upper surface and the outer wall of steel pipe of the zinc-plated seal ring to have expansion sealing strip.
Further, the underground engineering dewatering well waterproof construction of the utility model, wherein the sealing steel plate top is equipped with
Waterproof polymer mortar, the periphery of the waterproof polymer mortar are equipped with a circle one-component polysulfide sealant.
The outer diameter one of the annulus area of the outer diameter of the zinc-plated seal ring and the self-adhesion glue film waterproof roll of the 1.5mm thickness
It causes.
Compared with prior art, the utility model has the beneficial effects that the utility model mainly prevents dewatering well root
Water is improved, and uses hose clamp and dewatering well prefabricated component, and adhesive film waterproof roll is combined to carry out waterproof, solves
Dewatering well root is due to waterproof leakiness, the phenomenon that leakage.
Detailed description of the invention
Fig. 1 is the utility model underground engineering dewatering well waterproof construction schematic diagram.
Specific embodiment
Technical solutions of the utility model are described in further detail in the following with reference to the drawings and specific embodiments, it is described
Specific embodiment is only explained the utility model, is not intended to limit the utility model.
Below by taking the B1 line subway conveyance system of Tianjin as an example describe the utility model proposes dewatering well waterproof measure.
The B1 route is about 31.3 kilometers, sets 22 stations altogether.Conveyance system construction specifically includes that property garage and subway
Stand two large divisions.Construction area is about 31180 square metres.Garage main body is two layers of underground reinforced concrete frame structure, underground
A height of 4m from level to level, two a height of 3.9m layer by layer；Station main body is underground double-layer structure, and a height of 6.1m of basement one layer, two layer by layer
A height of 6.92m, station overall length 200m, the wide 12m of platform slab, standard section wide 21.3m, high 13.32m.Station is all made of with garage
Cut and cover tunneling.The conveyance system establishes reinforced concrete structure self waterproofing system, i.e., is basic (main body knot with impermeable structure
Structure concrete impervious grade P10, concrete grade C45), the seam waterproofs such as construction joint, deformation joint are attached most importance to, and additional waterproof is aided with
Layer reinforces waterproof.Underground garage, underground station, electromechanical equipment concentrate section, entrance, pedestrian passage waterproofing grade for level-one,
Structure does not allow to seep water, and body structure surface is without wet stain.Pile foundation under engineering structure garage bottom plate, using diameterStake is long
The cast-in-situ bored pile of 59m.Dewatering well uses, and hole diameter isSteel pipe and hole diameterWithout sandpipe well, the long 14m-24m model of well
It encloses.
The subway engineering integrates station and business, is located on Soft Ground of Shore Deposit, which has aqueous
The features such as amount is big, infiltration coefficient is small, compressibility is high, and stability is poor, level of ground water is high, and phreatic table head is in 0.50~1.00m
Left and right, the first artesian water depth to water are 6.19m, and corresponding absolute altitude is -2.60m.Currently, dewatering well then generallys use sealing
The structures such as steel loop, sealing steel loop, waterproof polymer mortar.Since the engineering level of ground water is high, structurally waterproof is as engineering
Construction emphasis prevents used technical solution waterborne as shown in Figure 1, the underground engineering dewatering well waterproof construction, packet in dewatering well
Steel pipe 1 is included, expansive concrete 12 is filled in the steel pipe 1, the upper Seal welding of the steel pipe 1 is connected to sealing steel plate 2, the envelope
Mouth 2 top of steel plate is equipped with waterproof polymer mortar 4, and it is close that the periphery of the waterproof polymer mortar 4 is equipped with a circle one-component polysulfide
Sealing 3.The lower end of the steel pipe 1 is 500mm at a distance from the blinding layer 8, is being located at blinding layer 8 on the steel pipe 1
The top self-adhesion glue film waterproof roll 7, butyl rubber band 6 and the waterproof reinforcing bar that are successively arranged 1.5mm thickness from bottom to top
Concrete 9, the diameter for the area that the self-adhesion glue film waterproof roll 7 is spread out are 1500mm, and the butyl rubber band 6 covers
It is 300mm that area on the self-adhesion glue film waterproof roll 7 of the 1.5mm thickness, which is the radius outwardly extended with steel pipe 1,
Annulus area, the butyl rubber band 6 is wrapped in the steel pipe 1 from the self-adhesion glue film waterproof roll 7 of 1.5mm thickness
On height be 250mm；It is sealed between 1 outer wall of top and steel pipe of the butyl rubber band 6 with sealant 10；It is described
The top of butyl rubber band 6 is equipped with ferrule 11；On the steel pipe 1, after being set with 10mm at the 1/2 of base plate thickness
Zinc-plated seal ring 14, the annular of the self-adhesion glue film waterproof roll 7 of the outer diameter of the zinc-plated seal ring 14 and the 1.5mm thickness
The outer diameter of area is almost the same, closely connected between 1 outer wall of upper surface and the steel pipe of the zinc-plated seal ring 14 to have expansion water-stop
Item 13.
By, using hose clamp and dewatering well prefabricated component, carrying out waterproof in conjunction with adhesive film waterproof roll in dewatering well root,
Dewatering well root is solved due to waterproof leakiness, leakage phenomenon occurs.Dewatering well waterproof, excavation of foundation pit on earth, base mat
It is carried out after the completion of layer construction, progress bottom plate self-adhesion glue film waterproof roll first is laid with, and then installs ferrule in dewatering well root
11 and dewatering well prefabricated component, zinc-plated seal ring 14 is then welded among its bottom plate, then binding structure baseplate reinforcing bar, to
Main structure all complete by construction, carries out dewatering well sealing after backfill covering.
The specific practice of the dewatering well waterproof construction is that (1) installs dewatering well prefabricated component, and bottom and waterproof slab coiled material can
By welding, hose clamp and sealant sealing are installed in top.(2) zinc-plated seal ring 14, zinc-plated sealing are welded at 1/2 position of base plate thickness
Ring 14 installs dilatancy sealing rod with a thickness of 10mm, width 125mm, seal ring and steel sleeve welding position.(3) bottom plate
Construction is completed, and after shut-in well, precipitation casing is being cut off at base top 20mm, well head encapsulates the sealing steel plate 5 of 10mm thickness.Well
Mouthful outside filling width be 15mm, the two-component polysulfide sealing compound or one-component polysulfide sealant of inside 3mm, thickness 20mm,
Inside filling thickness is the waterproof polymer mortar of 20mm.
Although the utility model is described above in conjunction with attached drawing, the utility model is not limited to above-mentioned
Specific embodiment, the above mentioned embodiment is only schematical, rather than restrictive, the ordinary skill of this field
Personnel are under the enlightenment of the utility model, in the case where not departing from the utility model aims, can also make many variations, this
It belongs within the protection of the utility model a bit.
Claims (3)
1. a kind of underground engineering dewatering well waterproof construction, including steel pipe (1), the steel pipe (1) is interior to be filled with expansive concrete
(12), the upper Seal welding of the steel pipe (1) is connected to sealing steel plate (2), which is characterized in that
At the top positioned at blinding layer (8), the self-adhesion glue film for being successively arranged 1.5mm thickness from bottom to top is anti-on the steel pipe (1)
Water coiled material (7), butyl rubber band (6) and waterproof armored concrete (9), what the self-adhesion glue film waterproof roll (7) spread out
The diameter of area is 1500mm, and the butyl rubber band (6) is covered on the self-adhesion glue film waterproof roll of the 1.5mm thickness
(7) area on is that the radius outwardly extended with steel pipe (1) is the annulus area of 300mm, the butyl rubber sealing
It is 250mm that band (6), which is wrapped in the height on the steel pipe (1) from the self-adhesion glue film waterproof roll (7) of 1.5mm thickness,；It is described
It is sealed between the top and steel pipe (1) outer wall of butyl rubber band (6) with sealant (10)；
The top of the butyl rubber band (6) is equipped with ferrule (11)；
Zinc-plated seal ring (14) after being set with 10mm on the steel pipe (1), at the 1/2 of base plate thickness, it is described it is zinc-plated only
It is closely connected between the upper surface and the steel pipe (1) outer wall of water ring (14) to have expansion sealing strip (13).
2. underground engineering dewatering well waterproof construction according to claim 1, which is characterized in that sealing steel plate (2) top
Equipped with waterproof polymer mortar (4), the periphery of the waterproof polymer mortar (4) is equipped with circle one-component polysulfide sealant (3).
3. underground engineering dewatering well waterproof construction according to claim 1, which is characterized in that the zinc-plated seal ring (14)
Outer diameter is consistent with the outer diameter of annulus area of self-adhesion glue film waterproof roll (7) of the 1.5mm thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721925319.0U CN208201896U (en) | 2017-12-31 | 2017-12-31 | A kind of underground engineering dewatering well waterproof construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721925319.0U CN208201896U (en) | 2017-12-31 | 2017-12-31 | A kind of underground engineering dewatering well waterproof construction |
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| Publication Number | Publication Date |
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| CN208201896U true CN208201896U (en) | 2018-12-07 |
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| CN201721925319.0U Active CN208201896U (en) | 2017-12-31 | 2017-12-31 | A kind of underground engineering dewatering well waterproof construction |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374125A (en) * | 2019-07-30 | 2019-10-25 | 中铁九局集团第七工程有限公司 | Metro Deep Excavation side wall interlayer method for treating water |
| CN113718808A (en) * | 2021-07-23 | 2021-11-30 | 新城控股集团实业发展有限公司 | Precipitation structure for preventing underground structure from floating and construction method thereof |
-
2017
- 2017-12-31 CN CN201721925319.0U patent/CN208201896U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374125A (en) * | 2019-07-30 | 2019-10-25 | 中铁九局集团第七工程有限公司 | Metro Deep Excavation side wall interlayer method for treating water |
| CN113718808A (en) * | 2021-07-23 | 2021-11-30 | 新城控股集团实业发展有限公司 | Precipitation structure for preventing underground structure from floating and construction method thereof |
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