CN204112350U - Water stopping curtain seepage flow guiding structure - Google Patents
Water stopping curtain seepage flow guiding structure Download PDFInfo
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- CN204112350U CN204112350U CN201420552664.4U CN201420552664U CN204112350U CN 204112350 U CN204112350 U CN 204112350U CN 201420552664 U CN201420552664 U CN 201420552664U CN 204112350 U CN204112350 U CN 204112350U
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Abstract
The utility model provides a kind of water stopping curtain seepage flow guiding structure, this vibrational power flow is at Leakage of Foundation Pit position, support construction, this structure is included in the hole body that described Leakage of Foundation Pit position is arranged, in hole body, drainage tube is installed, drainage tube comprises pin portion section, the section of receiving, the end segments of end belt screw thread, and adopt screwed connection by connecting cylinder, anti-filter water layer is provided with in the periphery of described pin portion section, be provided with block section in the periphery of the described section of receiving and carry out shutoff, be provided with ball valve in the side of described end segments, get rid of seepage place infiltration by ball valve.Effect of the present utility model is that this structure operation is simple, cost is low, speed of application is fast, the water body at water stopping curtain seepage position can be discharged in time, reduce leakage area Water And Earth Pressures, the very first time removes the dangerous condition, ensure deep pit monitor, mozzle can repeat turnover use simultaneously, reaches energy-saving effect.
Description
Technical field
The utility model water-stop curtain is water-stopping structure common in deep-foundation pit engineering, and when water-stop curtain generation serious leakage, and when not causing structure damage, general employing drainage is in conjunction with close measure.Particularly relate to a kind of water stopping curtain seepage flow guiding structure, the water body at Leakage of Foundation Pit position can be got rid of by this structure fast, and the very first time removes the dangerous condition, and guarantees deep pit monitor.
Background technology
Current city construction develop rapidly, deep-foundation pit engineering increases increasingly.Often adopt deep cement-mixed pile, high-pressure rotary jet grouting pile as water-stop curtain in base pit engineering.The leakage problems of foundation ditch is also more common, and the engineering accident that the whole nation causes because of Leakage of Foundation Pit is also of common occurrence.The reason also more complicated of Leakage of Foundation Pit, according to the difference of the light and heavy degree of Leakage of Foundation Pit, common leak stopping mode has: high-pressure rotary-spray, two fluid grouting, foam-injection agent, water do not leak shutoff, fill the methods such as expanding material.Adopt the method for high-pressure rotary-spray, two fluid grouting, obvious to the regulation effect of seepage, but drop into costly.Adopt foam-injection, water does not leak shutoff, fill the method for expanding material, expense simple to operate is low, but effectively can not get rid of the water body of seepage place existence, effectively thoroughly can not solve leakage problems, cause Water And Earth Pressures to increase, endanger deep pit monitor simultaneously.
Summary of the invention
The purpose of this utility model is to provide a kind of water stopping curtain seepage flow guiding structure, is beneficial to solve Problems existing in existing water stopping curtain seepage Treatment process, small investment, instant effect, is discharged by water body in time.
For achieving the above object, the technical solution adopted in the utility model is to provide a kind of water stopping curtain seepage flow guiding structure, this vibrational power flow is at Leakage of Foundation Pit position, support construction, wherein: this structure is included in the hole body that described Leakage of Foundation Pit position is arranged, in hole body, drainage tube is installed, drainage tube comprises the pin portion section of end belt screw thread, the section of receiving, end segments, and adopt screwed connection by connecting cylinder, anti-filter water layer is provided with in the periphery of described pin portion section, be provided with block section in the periphery of the described section of receiving and carry out shutoff, ball valve is provided with in the side of described end segments, seepage place infiltration is got rid of by ball valve.
Effect of the present utility model is that this structure operation is simple, cost is low, speed of application is fast, the water body at water stopping curtain seepage position can be discharged in time, reduce leakage area Water And Earth Pressures, the very first time removes the dangerous condition, ensure deep pit monitor, mozzle can repeat turnover use simultaneously, reaches energy-saving effect.
Adopt water stopping curtain seepage flow guiding structure, each expense of oozing a little is about 500 yuan, and cost is about 10% of high-pressure rotary-spray expense, is 2% of two fluid grouting expense, speed of application be about high-pressure rotary-spray, two fluid grouting required time 30%, it is suitable to administer seepage effect.Do not leak shutoff with foam-injection, water, fill expanding material compared with, expense, speed of application are suitable, but administer seepage effect and obviously will be better than this three kinds of methods.
Accompanying drawing explanation
Fig. 1 is water stopping curtain seepage flow guiding structure cross section structure schematic diagram of the present utility model;
Fig. 2 is hole body cross section structure schematic diagram of the present utility model;
Fig. 3 is drainage tube elevational schematic view of the present utility model.
In figure:
1, hole body 2, drainage tube 3, anti-filter water layer 4, block section 5, pin portion section
6, connecting cylinder 7, the section of receiving 8 are end segments 9, circular hole 10, stopper
11, Dense mesh screen 12, ring steel plate 13, ball valve 14, expansion bolt
15, leak stopping spirit 16, rapid-hardening micro-expansion cement mortar 17, water-stop curtain
18, undisturbed soil 19, supporting and protection structure
Detailed description of the invention
Below in conjunction with accompanying drawing, water stopping curtain seepage flow guiding structure of the present utility model is described in detail.
Water stopping curtain seepage flow guiding structure of the present utility model, this vibrational power flow is at Leakage of Foundation Pit position, support construction, this structure is included in the hole body 1 that described Leakage of Foundation Pit position is arranged, described hole body 1 adopts artificial or mechanical system at water stopping curtain seepage position pore-forming, aperture is 15cm, do expanding treatment within the scope of the 700mm of end, aperture, end is 250mm.
In described hole body 1, drainage tube 2 is installed, drainage tube 2 comprises pin portion section 5, the section of receiving 7, the end segments 8 of end belt screw thread, and adopt screwed connection by connecting cylinder 6, anti-filter water layer 3 is provided with in the periphery of described pin portion section 5, be provided with block section 4 in the periphery of the described section of receiving 7 and carry out shutoff, be provided with ball valve 13 in the side of described end segments 8, seepage place infiltration can be got rid of.
The tube length of described pin portion section 5 is 50cm, diameter is 10cm, surface is provided with the circular hole 9 that multiple uniform diameter is 5mm, the center to center distance of every two circular holes 9 is 10mm, be evenly arranged in pin portion section tube surfaces, the end of pin portion section 5 is provided with stopper 10 and carries out shutoff, pin portion section 5 be coated with two-layer Dense mesh screen 11.
The described section of receiving 7 is that multiple section of receiving connects into the body of multiple different length by connecting cylinder 6.The length 50cm of the section of receiving 7, diameter 10cm, can receive according to the difference of hole body 1 degree of depth.
The outside weldings ring steel plate 12 of described end segments 8, tube length is 50cm, and diameter is 10cm, and the middle part of end segments 8 is provided with ball valve 13, and ring steel plate 12 is fixed in supporting and protection structure 19 by expansion bolt 14, and is sealed by leak stopping spirit 15.
Described anti-filter water layer 3 is divided into I, II two-layer sand pocket, every layer of sandstone material filling prepared by level, the sandstone material particle diameter of I layer of sand pocket is at 1mm ~ 3mm, be filled in the tube surfaces of pin portion section 5, the sandstone material particle diameter of II layer of sand pocket is at 3mm ~ 5mm, be filled between I layer of sand pocket and the hole wall of hole body 1, effectively can tackle the silt in water, prevent water stopping curtain seepage position from piping occurring.
Shutoff is carried out by filling rapid-hardening micro-expansion cement mortar 16 in described block section 4.Be mixed with appropriate micro-expanding agent in rapid-hardening micro-expansion cement mortar 16, ensure that block section can be closely knit, avoid shutoff not tight.
Water stopping curtain seepage flow guiding structure function of the present utility model is achieved in that
1, borehole hole body 1: at Leakage of Foundation Pit position, adopt artificial or mechanical system borehole, hole body 1 scrapes out horizontal, and hole depth should be determined according to actual leakage scenarios, and hole body 1, through supporting and protection structure 19, undisturbed soil 18, digs to water-stop curtain 17 leak source position.Hole body 1 aperture is 15cm, within the scope of the end 700mm of hole body 1, do expanding treatment, and reaming aperture is 250mm.
2, assemble drainage tube 2: by pin portion section 5, the section of receiving 7, end segments 8 by connecting cylinder 6, adopt screw thread form to connect into drainage tube 2.Drainage tube 2 length should, according to hole depth, select multiple section of receiving 7 to connect.Section 5 top, pin portion of drainage tube 2 utilizes stopper 10 to carry out end socket, simultaneously at the two-layer Dense mesh screen 11 of pin portion section 5 surface parcel.Tube length is 50cm, and diameter is 10cm, and surface is provided with the circular hole 9 that multiple uniform diameter is 5mm.
3, drainage tube 2 is installed: the end first expanded at hole body first backfills the sandstone material of II layer of sand pocket that one deck level prepares, with the sandstone of particle diameter between 3 ~ 5mm.By the sandstone material of good for grating I layer of sand pocket, after loading sandbag with the sandstone of particle diameter between 1 ~ 3mm, sand pocket is wrapped in the pin portion section 5 of drainage tube 2, drainage tube 2 level puts into hole body 1, again backfill the sandstone material of II layer of sand pocket, until enlarged end backfill is full.Field fabrication rapid-hardening micro-expansion cement mortar 16, cement adopts rapid-hardening cement, and mixes appropriate microdilatancy Admixture, is backfilled in time in hole body 1 block section 4 after mortar stirs.Utilize expansion bolt 14 to be fixed in supporting and protection structure 19 by ring steel plate 12, ring steel plate 12 edge adopts leak stopping spirit 15 border shutoff.
4, drainage: after opening ball valve 13, can discharge leaking from water-stop curtain 17 seepage place.The water body got rid of can with container collection such as metal buckets, and utilize submersible pump to be evacuated to outside foundation ditch.
Claims (6)
1. a water stopping curtain seepage flow guiding structure, this vibrational power flow is at Leakage of Foundation Pit position, support construction, it is characterized in that: this structure is included in the hole body (1) that described Leakage of Foundation Pit position is arranged, drainage tube (2) is installed in hole body (1), drainage tube (2) comprises pin portion section (5) of end belt screw thread, the section of receiving (7), end segments (8), and adopt screwed connection by connecting cylinder (6), anti-filter water layer (3) is provided with in the periphery of described pin portion section (5), be provided with block section (4) in the periphery of the described section of receiving (7) and carry out shutoff, ball valve (13) is provided with in the side of described end segments (8), seepage place infiltration is got rid of by ball valve (13).
2. water stopping curtain seepage flow guiding structure according to claim 1, it is characterized in that: the surface of described pin portion section (5) is provided with multiple uniform circular hole (9), the center to center distance of every two circular holes (9) is 10mm, the end in pin portion section (5) is provided with stopper (10) and carries out shutoff, and pin portion section (5) is coated with two-layer Dense mesh screen (11).
3. water stopping curtain seepage flow guiding structure according to claim 1, is characterized in that: described in the section of receiving (7) to be connected into the body of multiple different length by connecting cylinder (6) for multiple section of receiving.
4. water stopping curtain seepage flow guiding structure according to claim 1, it is characterized in that: the outside weldings ring steel plate (12) of described end segments (8), the middle part of end segments (8) is provided with ball valve (13), ring steel plate (12) is fixed in supporting and protection structure (19) by expansion bolt (14), and is sealed by leak stopping spirit (15).
5. water stopping curtain seepage flow guiding structure according to claim 1, it is characterized in that: described anti-filter water layer (3) is divided into I, II two-layer sand pocket, every layer of sandstone material filling prepared by level, the sandstone material particle diameter of I layer of sand pocket is at 1mm ~ 3mm, be filled in the tube surfaces in pin portion section (5), the sandstone material particle diameter of II layer of sand pocket is at 3mm ~ 5mm, between the hole wall being filled in I layer of sand pocket and hole body (1), effectively can tackle the silt in water, prevent water stopping curtain seepage position from piping occurring.
6. water stopping curtain seepage flow guiding structure according to claim 1, is characterized in that: described block section (4) carry out shutoff by filling rapid-hardening micro-expansion cement mortar (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420552664.4U CN204112350U (en) | 2014-09-24 | 2014-09-24 | Water stopping curtain seepage flow guiding structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420552664.4U CN204112350U (en) | 2014-09-24 | 2014-09-24 | Water stopping curtain seepage flow guiding structure |
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| Publication Number | Publication Date |
|---|---|
| CN204112350U true CN204112350U (en) | 2015-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420552664.4U Expired - Fee Related CN204112350U (en) | 2014-09-24 | 2014-09-24 | Water stopping curtain seepage flow guiding structure |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104234065A (en) * | 2014-09-24 | 2014-12-24 | 天津一建建筑工程有限公司 | Leakage drainage structure of waterproof curtain |
| CN104975610A (en) * | 2015-07-08 | 2015-10-14 | 上海建工二建集团有限公司 | Expanded-end decompression well, deep foundation pit structure and construction method for expanded-end decompression well |
| CN106193132A (en) * | 2016-08-31 | 2016-12-07 | 广西建工集团第五建筑工程有限责任公司 | Pressure relief anti-floating system for bottom plate of deep foundation pit high-water-level building and pressure relief anti-floating method thereof |
| CN110906085A (en) * | 2019-12-19 | 2020-03-24 | 长安大学 | Water plugging valve device and construction method thereof |
| CN111733849A (en) * | 2020-07-29 | 2020-10-02 | 山东建勘集团有限公司 | Curtain rapid leaking stoppage device in high-water-head stratum and construction method thereof |
-
2014
- 2014-09-24 CN CN201420552664.4U patent/CN204112350U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104234065A (en) * | 2014-09-24 | 2014-12-24 | 天津一建建筑工程有限公司 | Leakage drainage structure of waterproof curtain |
| CN104975610A (en) * | 2015-07-08 | 2015-10-14 | 上海建工二建集团有限公司 | Expanded-end decompression well, deep foundation pit structure and construction method for expanded-end decompression well |
| CN104975610B (en) * | 2015-07-08 | 2017-05-10 | 上海建工二建集团有限公司 | Expanded-end decompression well, deep foundation pit structure and construction method for expanded-end decompression well |
| CN106193132A (en) * | 2016-08-31 | 2016-12-07 | 广西建工集团第五建筑工程有限责任公司 | Pressure relief anti-floating system for bottom plate of deep foundation pit high-water-level building and pressure relief anti-floating method thereof |
| CN106193132B (en) * | 2016-08-31 | 2018-10-19 | 广西建工集团第五建筑工程有限责任公司 | Pressure relief anti-floating system for bottom plate of deep foundation pit high-water-level building and pressure relief anti-floating method thereof |
| CN110906085A (en) * | 2019-12-19 | 2020-03-24 | 长安大学 | Water plugging valve device and construction method thereof |
| CN111733849A (en) * | 2020-07-29 | 2020-10-02 | 山东建勘集团有限公司 | Curtain rapid leaking stoppage device in high-water-head stratum and construction method thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150121 Termination date: 20180924 |