CN203514332U - Casing for blocking dewatering tube well of post-cast strip - Google Patents
Casing for blocking dewatering tube well of post-cast strip Download PDFInfo
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- CN203514332U CN203514332U CN201320640721.XU CN201320640721U CN203514332U CN 203514332 U CN203514332 U CN 203514332U CN 201320640721 U CN201320640721 U CN 201320640721U CN 203514332 U CN203514332 U CN 203514332U
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- sleeve pipe
- casing
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- cast strip
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Abstract
The utility model discloses a casing for blocking a dewatering tube well of a post-cast strip. The casing for blocking the dewatering tube well of the post-cast strip comprises the casing and a sealing cover; the outer side of the upper opening of the casing is provided with a flange plate and bolts; the sealing cover is provided with bolt holes which are corresponding to the bolts arranged on the flange plate; the sealing cover covers the flange plate of the casing; the bolt holes formed in the sealing cover penetrate the bolts of the casing to fasten the sealing cover and the casing. According to the casing for blocking the dewatering tube well of the post-cast strip, the construction of the floor post-cast strip and the blocking of the dewatering tube well can be achieved separately and accordingly the difficulty of the construction of the floor post-cast strip and the blocking construction of the dewatering tube well is reduced, the construction is simple, the blocking effect is good, and the probability of leakage of the floor post-cast strip is greatly reduced.
Description
Technical field
The utility model relates to the antiseep shutoff of field of engineering building basement post-pouring zone, especially a kind of sleeve pipe of ater-casting precipitation pipe well being implemented to shutoff.
Background technology
In the concrete construction of basement post-pouring zone, because method is improper or technique is unreasonable, cause the phenomenon of basement leakage often to have generation.According to relevant statistics, because of positions such as ater-casting, constuction joints, dealing with the defect of leaking causing improperly accounts for more than 75%.Therefore, the construction quality of basement bottom plate rear pouring tape is the key that prevents basement leakage, and drainage problem falls in an important step before the construction of ater-casting exactly.Before bottom plate rear pouring tape cast, the basic lowest order in engineering, groundwater pressure is naturally larger, base plate surface water all converges in ater-casting, if do not taked effective treatment measures, in band inner concrete casting process, ponding will run off the cement paste in concrete in a large number, causes concrete intensity and anti-permeability performance to reduce.Prior art adopts the water discharge method that precipitation pipe well is set in ater-casting, and ater-casting and precipitation pipe well are poured into a mould simultaneously to the technique of shutoff, the problem existing is, under or environment that groundwater pressure is higher large at underground water yield, at one time in, complete the shutoff to basement post-pouring zone construction and precipitation pipe well, difficulty of construction is very big, construction quality be difficult for to guarantee, after water expansive concrete and easily leave leakage passage in constuction joint position, and leakage passage is difficult to post-processed.
Utility model content
The purpose of this utility model is a kind of sleeve pipe of ater-casting precipitation pipe well being implemented to shutoff providing for the deficiencies in the prior art, the utility model adopts the top that casing pipe sleeve is contained in to precipitation pipe well, make basement post-pouring zone and precipitation pipe well be separated into two construction areas, especially under large at underground water yield or environment that groundwater pressure is higher, the shutoff of bottom plate rear pouring tape construction and precipitation pipe well can be divided into two procedures completes, reduced the difficulty of ater-casting construction and precipitation pipe well plugging construction, there is construction simple, the advantage that plugging effect is good, and significantly reduced the probability of bottom plate rear pouring tape seepage.
The concrete technical scheme that realizes the utility model object is:
A kind of sleeve pipe of ater-casting precipitation pipe well being implemented to shutoff, its feature comprises sleeve pipe and seal closure, described sleeve pipe is the conical tubular that steel plate is curling, its outside suitable for reading is provided with flange and bolt, on the inside and outside wall in middle part of sleeve pipe, be respectively equipped with annular seal ring, sleeve outer wall is provided with several bars anchor pin, and described seal closure is the disk of steel plate cutting, which is provided with the bolt hole corresponding with bolt on flange; Described seal closure covers on the flange of sleeve pipe, and the bolt hole on seal closure is through the bolt of sleeve pipe seal closure and sleeve pipe is fastening.
The utility model adopts the top that casing pipe sleeve is contained in to precipitation pipe well, make basement post-pouring zone and precipitation pipe well be separated into two construction areas, especially under large at underground water yield or environment that groundwater pressure is higher, the shutoff of bottom plate rear pouring tape construction and precipitation pipe well can be divided into two procedures completes, reduced the difficulty of ater-casting construction and precipitation pipe well plugging construction, have advantages of that construction is simple, plugging effect is good, and significantly reduced the probability of bottom plate rear pouring tape seepage.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is use view of the present utility model.
The specific embodiment
Consult Fig. 1, the utility model comprises sleeve pipe 1 and seal closure 2, described sleeve pipe 1 is the conical tubular that steel plate is curling, its outside suitable for reading is provided with flange and bolt 11, on the inside and outside wall in middle part of sleeve pipe 1, be respectively equipped with annular seal ring 12, sleeve outer wall is provided with several bars anchor pin 13, and described seal closure 2 is the disk of steel plate cutting, which is provided with the bolt hole 21 corresponding with bolt 11 on flange; Described seal closure 2 covers on the flange of sleeve pipe 1, and the bolt hole on seal closure 2 21 is through the bolt 11 of sleeve pipe 1 seal closure 2 and sleeve pipe 1 is fastening.
The utility model is in the pouring concrete construction process of ater-casting or in the plugging construction process of precipitation pipe well, there is the underground water of part ater-casting can be trapped on the outer wall of sleeve pipe 1 or the underground water in precipitation pipe well 4 can be trapped on the inwall of sleeve pipe 1, well is upwards extruded along casing wall when concreting, affect the combination of concrete and casing wall, the utility model is respectively equipped with annular seal ring 12 on the inside and outside wall in the middle part of sleeve pipe 1, be used for blocking underground water and upwards extrude along casing wall, guaranteed effective combination of concrete and casing wall.
The utility model arranges several bars anchor pin 13 on sleeve pipe 1 outer wall, to strengthen the adhesion of sleeve pipe 1 and late poured band.
Consult Fig. 1, Fig. 2, the concrete implementation step of the utility model is as follows:
A), prefabricated sleeve pipe and seal closure
Prefabricated sleeve pipe 1, described sleeve pipe is the conical tubular that steel plate is curling, and its outside suitable for reading is provided with flange and bolt 11, on the inside and outside wall in middle part of sleeve pipe, is respectively equipped with annular seal ring 12, sleeve outer wall is provided with several bars anchor pin 13, and sleeve pipe 1 appearance and size is: the external diameter of going to the bottom:
φ800mm; External diameter suitable for reading:
φ600mm; Wall thickness: 8mm; Highly: 1500 mm;
Prefabricated seal closure, described seal closure 2, for the disk of steel plate cutting, which is provided with the bolt hole corresponding with flange plate bolt 21;
B), service sleeve
Before the pouring concrete of ater-casting, by working drawing service sleeve 1 above precipitation pipe well 4; The external diameter of precipitation pipe well 4: φ 680mm; In precipitation pipe well 4 peripheries, fill up waterproofing mortar 3, sleeve pipe 1 mouth of pipe of going to the bottom is inserted in the waterproofing mortar 3 of precipitation pipe well 4 peripheries to insertion depth 180～200mm; Space between sleeve pipe 1 and precipitation pipe well 4 is filled out dead and treated that waterproofing mortar 3 is fixed with waterproofing mortar 3, between sleeve pipe 1 installation period, should keep the water pump in precipitation pipe well 4 to implement normal pumping, and the outlet pipe of water pump is drawn by the suitable for reading of sleeve pipe 1, service sleeve 1 operation completes;
C), between outside of sleeve and ater-casting, waterproofing course is set
Between sleeve pipe 1 outer periphery and ater-casting, twice coil waterproof layer 5 is set, be wrapped in outside of sleeve coil waterproof layer 5 on turn over and be highly greater than 250mm;
D), ater-casting pouring concrete construction
Colligation baseplate reinforcing bar in ater-casting, implements ater-casting pouring concrete construction with expansive concrete, in concrete vibrating process, will avoid sleeve pipe 1, to sleeve pipe 1 concrete around, should take laminated pouring, symmetrical form of construction work of gently smashing;
E), ater-casting concrete curing
Ater-casting concrete is implemented to maintenance, and curing time, is greater than 14 days;
F), the shutoff of precipitation pipe well
The shutoff basis of time engineering actual progress of precipitation pipe well and determining; Before shutoff, first fast the water in sleeve pipe 1 and precipitation pipe well 4 is drained, remove water pump; And graded sand and stone and dry cement are alternately inserted in sleeve pipe 1 and precipitation pipe well 4, while being filled to apart from downcomer mouth of pipe 150mm, build expansive concrete, until sleeve pipe 1 is suitable for reading; Seal closure 2 is covered on sleeve pipe flange suitable for reading, and through bolt 11, seal closure 2 and sleeve pipe 1 is fastening;
G), expansive concrete maintenance
Expansive concrete is implemented to maintenance, and curing time, is greater than 14 days;
H), seal closure is removed
Maintenance is dismountable seal closure after expiring, and according to the elevation design of floor structure, excision exceeds sleeve pipe 1 and the expansive concrete of terrace part, completes terrace surface construction.
Claims (1)
1. a sleeve pipe of ater-casting precipitation pipe well being implemented to shutoff, it is characterized in that it comprises sleeve pipe (1) and seal closure (2), described sleeve pipe (1) is the conical tubular that steel plate is curling, its outside suitable for reading is provided with flange and bolt (11), on the inside and outside wall in middle part of sleeve pipe (1), be respectively equipped with annular seal ring (12), sleeve outer wall is provided with several bars anchor pin (13), described seal closure (2) is the disk of steel plate cutting, which is provided with the bolt hole (21) corresponding with bolt (11) on flange; Described seal closure (2) covers on the flange of sleeve pipe (1), and the bolt hole (21) on seal closure (2) is through the bolt (11) of sleeve pipe (1) seal closure (2) and sleeve pipe (1) is fastening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320640721.XU CN203514332U (en) | 2013-10-17 | 2013-10-17 | Casing for blocking dewatering tube well of post-cast strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320640721.XU CN203514332U (en) | 2013-10-17 | 2013-10-17 | Casing for blocking dewatering tube well of post-cast strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203514332U true CN203514332U (en) | 2014-04-02 |
Family
ID=50373287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320640721.XU Expired - Fee Related CN203514332U (en) | 2013-10-17 | 2013-10-17 | Casing for blocking dewatering tube well of post-cast strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203514332U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103993615A (en) * | 2014-05-20 | 2014-08-20 | 中国建筑第二工程局有限公司 | Large-drawdown pipe well plugging structure and construction method thereof |
| CN104947700A (en) * | 2015-07-01 | 2015-09-30 | 中国建筑一局(集团)有限公司 | Well sealing sleeve for dewatering well, dewatering well and dewatering well sealing method |
| CN109653228A (en) * | 2019-01-25 | 2019-04-19 | 沙俊强 | A kind of underwater composite water-stop casing bit |
-
2013
- 2013-10-17 CN CN201320640721.XU patent/CN203514332U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103993615A (en) * | 2014-05-20 | 2014-08-20 | 中国建筑第二工程局有限公司 | Large-drawdown pipe well plugging structure and construction method thereof |
| CN103993615B (en) * | 2014-05-20 | 2016-04-13 | 中国建筑第二工程局有限公司 | Large-drawdown pipe well plugging structure and construction method thereof |
| CN104947700A (en) * | 2015-07-01 | 2015-09-30 | 中国建筑一局(集团)有限公司 | Well sealing sleeve for dewatering well, dewatering well and dewatering well sealing method |
| CN109653228A (en) * | 2019-01-25 | 2019-04-19 | 沙俊强 | A kind of underwater composite water-stop casing bit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20161017 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |