CN104278699A - Underground engineering deformation joint waterproof technology - Google Patents
Underground engineering deformation joint waterproof technology Download PDFInfo
- Publication number
- CN104278699A CN104278699A CN201410472932.6A CN201410472932A CN104278699A CN 104278699 A CN104278699 A CN 104278699A CN 201410472932 A CN201410472932 A CN 201410472932A CN 104278699 A CN104278699 A CN 104278699A
- Authority
- CN
- China
- Prior art keywords
- waterstop
- sidewall
- top board
- external
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
- E21D11/385—Sealing means positioned between adjacent lining members
Abstract
The invention discloses an underground engineering deformation joint waterproof technology. A top plate, a bottom plate, a side wall, water-stop belts and main waterproof coiling materials are adopted, wherein deformation joints are formed in the top plate, the bottom plate and the side wall, the water-stop belts are arranged on the deformation joints, the main waterproof coiling materials are paved under the bottom plate, on the top plate and outside the side wall, the water-stop belts arranged at the bottom plate and the side wall are external water-stop belts, the water-stop belt arranged on the top plate is a bonding anchoring type water-stop belt, and the external water-stop belts and the bonding anchoring type water-stop belt are bonded in a sealed way under the top plate surface, so that a closed sealing ring is formed by the water-stop belts surrounding the top plate, the bottom plate and the side wall, and in addition, the sealing lap joint is formed between the water-stop belts positioned on the top plate, the bottom plate and the side wall and the adjacent waterproof coiling materials. Therefore the external water-stop belts and the bonding anchoring type water-stop belt are connected, fixed and sealed at the side wall, so the water-stop belts arranged on the deformation joints form the sealed sealing ring, in addition, the water-stop belts and the main waterproof coiling materials are continuously in sealed lap joint, and the integral waterproof effect of underground engineering is improved.
Description
Technical field
The present invention relates to water-proof technology of underground projects field, particularly relate to the constructing technology of the outer waterproof of a kind of underground construction in deformation joint continuous sealing waterproof.
Background technology
No matter underground construction is heavy construction basement, municipal pipeline common trench or subway station and tunnel interface engineering, all should design variations seam and the outer waterproof of main body.But the waterstop of all deformation joints had not both solved the problem that self effective sealing hands over circle, also failed to be formed continuously with waterproof outside main body.Therefore, from the principle, after underground water only penetrates main water barrier, the effect that waterstop competence exertion is certain.But penetrate the static pressure water of main water barrier, can waterstop have been walked around, sought deformation joint both sides concrete microcrack and infiltrate indoor.Even if having employed external waterstop by conventional construction, above-mentioned situation can not be avoided, and says nothing of middle-set-type waterstop and detachable waterstop.
Summary of the invention
The invention provides a kind of underground construction waterproofing of movement joints technology.External waterstop and sticky anchor formula waterstop scene be tightly connected technology and the two with main body being outward tightly connected of waterproof to be realized by extraordinary MR adhesive, sweat soldering or butyl sealant band.
The present invention is realized by following technological means:
A kind of underground construction waterproofing of movement joints technology, comprises top board, base plate, sidewall, waterstop, main waterproof roll, described top board, base plate, sidewall is provided with deformation joint; Described waterstop is placed on deformation joint, under described main waterproof roll is laid on base plate and on top board, outside sidewall; Described be arranged at base plate, the waterstop of sidewall is external waterstop; The waterstop be arranged on top board is sticky anchor formula waterstop, described external waterstop and sticky anchor formula waterstop are sealing adhesive below top board face, make described to form a closing seam circle around the waterstop on top board, base plate, sidewall, and form lap hermetically with described top board, base plate, the waterstop of sidewall and the adjacent main waterproof roll of being positioned at.
Wherein, the waterstop on described top board and the waterstop on base plate 300-500mm place below top board is connected.
Wherein, described external waterstop and sticky anchor formula waterstop are PVC material.
Wherein, when described main waterproof roll is PVC material, bottom deformation stitches the concrete decline of local, both sides and forms step, and after the waterstop on deformation joint and main waterproof roll are overlapped, also sweat soldering or MR adhesive bond.
Wherein, when waterstop and main waterproof roll sweat soldering, waterstop coil thickness is not less than 2mm, and the adhesion strength of adhesive on moist concrete is not less than 10N/mm, and 180 degree of peel strengths are not less than 4N/mm.
Wherein, when base plate, sidewall adopt pre-installed and inverted adhered waterproof roll, the naked limit of described waterstop and pre-installed and inverted adhered waterstop directly overlaps or sweat soldering or adopt butyl sealant band to fix.
Wherein, when main waterproof roll adopts modified asphalt waterproof coiled material, local, bottom deformation seam both sides concrete raises formation raised step, makes external waterstop not only directly can pour into concrete but also connect by butyl sealant band and main waterproof roll.
Wherein, the marching method of the waterstop on described top board and the waterstop on base plate is: S1, sticky anchor formula waterstop on described top board vertically forwards sidewall to the radius arcuate being not less than 30mm by top board, cut-in groove on sidewall, described groove extends to the external waterstop upper end sidewall from sidewall initiating terminal, make described sticky anchor formula waterstop be bonded in described groove;
S2, described external waterstop is cut open from sidewall concrete external surface along cavity ring internal diameter both sides, and described Cutting Length is 100mm;
S3, is recessed into described sticky anchor formula waterstop and is adhered to inside the described cavity ring be cut open;
S4, is anchored rod by the closed pore of corresponding cavity ring Cutting Length and is sticked at inside the described cavity ring be cut open by adhesive plug, make the seam crossing of described sticky anchor formula waterstop and external waterstop be anchored excellent adhesion by described closed pore;
S5, after-tacks described cavity ring and is cut open the tongue piece of formation, and is bonded in by tongue piece on described closed pore anchor rod.
Wherein, described bonding adhesive is extraordinary water-fast epoxy adhesive, and it is butyronitrile foam rubber rod that described closed pore is anchored rod.
Finally, the diameter of described acrylonitrile-butadiene rubber rod is a bit larger tham described external waterstop cavity ring annular diameters.
More than by adopting external waterstop at base plate, sidewall, top board adopts sticky anchor formula waterstop, and make external waterstop and sticky anchor formula waterstop join fixing seal at sidewall, the waterstop on deformation joint is made to form closing seam circle, and waterstop and main waterproof roll continuous sealing overlap, improve underground construction integral waterproofing effect, solve at present the difficult problem of " ten seams nine leak ", and the letter of whole construction technology and easily, workman is easy to operate, accelerates integrated engineering progress.
Accompanying drawing explanation
Fig. 1 is external waterstop and sticky anchor formula waterstop connected mode schematic diagram;
Fig. 2 is external Water stop structure schematic diagram;
Fig. 3 is the main waterproof roll of PVC roll material and waterstop connection diagram;
Fig. 4 is the connection diagram of the main waterproof roll of modified bitumen and external waterstop;
Fig. 5 is the connection diagram of the main waterproof roll of pre-installed and inverted adhered formula and external sealing piece.
Detailed description of the invention
Below with reference to accompanying drawing, the specific embodiment of the present invention is described in detail.
Below saying the external waterstop of description, gluing anchor formula waterstop is waterstop described in prior art.
A kind of underground construction, comprises top board 1, sidewall 2, base plate 3, described top board 1 is provided with deformation joint 10 with base plate 3, described waterstop covers on deformation joint 10, under described main waterproof roll is laid on base plate and on top board, outside sidewall, described is arranged at base plate, the waterstop of sidewall is external waterstop, the waterstop be arranged on top board is sticky anchor formula waterstop, described external waterstop and sticky anchor formula waterstop are sealing adhesive with lower part in top board face, make described around top board, base plate, on sidewall waterstop form a closing seam circle, and described be positioned at top board, base plate, the waterstop of sidewall with face the main waterproof roll connect and overlap and fix.
Specifically, as shown in Figure 1, be positioned at sticky anchor formula waterstop 9 on top board 1 after top plate plant tilting part is paved with, vertically forward sidewall with the radius arcuate being not less than 30mm by top board to sidewall, below top board, 300-500mm place is connected with the external waterstop as shown in Figure 2 on sidewall.Described external waterstop and sticky anchor formula waterstop are PVC material.
In particular, described convergence process is: cut-in groove on sidewall, and described groove extends to the external waterstop upper end sidewall from sidewall initiating terminal, makes described sticky anchor formula waterstop be bonded in described groove; Described external waterstop is cut open from sidewall concrete external surface along cavity ring 5 internal diameter both sides, and described Cutting Length is preferably 100mm, can look actual conditions and extends or shorten Cutting Length.Described sticky anchor formula waterstop is recessed into and is adhered to inside the described cavity ring 5 be cut open; The closed pore corresponding cavity ring 5 being cut length is anchored rod 6 and is sticked at inside the described cavity ring be cut open by adhesive plug, makes the seam crossing of described sticky anchor formula waterstop and external waterstop be anchored excellent 6 adhesions by described closed pore; After-tack described cavity ring cut open the tongue piece of formation and tongue piece be bonded on described closed pore anchor rod.Described closed pore is anchored rod preferably butyronitrile foam rubber rod, the preferred water-fast epoxy adhesive of adhesive.For making external waterstop and sticky anchor formula waterstop be anchored more close and firm, the diameter of acrylonitrile-butadiene rubber rod is a bit larger tham described external waterstop cavity ring annular diameters, is connected with interference fit.Where necessary, separately can paste the joining place described in 1.2 thick PVC roll material patches enhancings, adopt bonding, welding.
Form the external waterstop of closed loop and sticky anchor formula waterstop also must overlap with the main waterproof roll on adjacent top board, sidewall, base plate and fix, the water in the external world just can be made to have no way of inside seepage.
For different main waterproof rolls, be fixed with different modes at waterstop from the overlap joint of main waterproof roll.When main waterproof roll 7 is PVC material, as shown in Figure 3, bottom deformation stitches the concrete decline of local, both sides and forms step, and after the waterstop on deformation joint and main waterproof roll are overlapped, also sweat soldering or MR adhesive bond.Concrete work progress is: unwrapping wire on the concrete bed course 8 reaching intensity; cut the seam that 3mm-5mm is wide, 50mm is dark; joint-cutting both sides large area lays PVC roll material; gap 100mm respectively, unwrapping wire paving in end is solid, and it is that axis of symmetry is placed that external waterstop covers on joint-cutting and with joint-cutting; waterstop and main water barrier 7 adopt two pass hot air welding; if desired, acupuncture inflation detects the airtight quality of weld seam, with the thick fine-stone concrete topping of after-pouring 50.Described topping is positioned at outside waterstop 50mm, and arranges in 45 degree of slopes, forms concrete step.Before building topping, should first to after the waterstop that waters adopt clamping plate and batten temporary protection, in case destroyed.
As shown in Figure 4, when main water barrier 7 is modified asphalt waterproof coiled material, the naked limit of described waterstop and pre-installed and inverted adhered waterstop directly overlaps.Concrete work progress is: when building concrete bed course 8, and deformation joint both sides thicken, and the scope of thickening is about 500mm, thick 50mm, and end is that 45 degree of changes connect, and forms raised step.Unwrapping wire joint-cutting on the concrete bed course 8 reaching intensity, stitches wide 3-5mm, dark 50mm.At joint-cutting both sides large area laying water-proof coiled material; gap 50mm respectively; external waterstop is that axis of symmetry is placed with joint-cutting; use butyl tape to seal at the intersection of waterstop and main water barrier 7 to paste, described butyl tape, with non-woven fabrics, is widely not less than 80mm; compress to read and paste; do not stay gap, finally build fine-stone concrete topping, described fine-stone concrete topping terminates in waterstop and concordant with waterstop.
As shown in Figure 5, when main water barrier 7 is pre-installed and inverted adhered waterproof roll, naked limit glued membrane and waterstop are directly overlapped.Concrete construction method is: unwrapping wire joint-cutting on the concrete bed course 8 reaching requirement of strength, stitches wide 3-5mm, dark 50mm.Outside distance seam both sides 100mm, large area applies pre-installed and inverted adhered waterproof roll, and end nail is solid, and naked limit glued membrane faces seam.Overlay external waterstop, make waterstop placement symmetrical relative to joint-cutting, the lap width of waterstop and naked limit glued membrane is not less than 50mm.
With upper plate, sidewall adopts PVC external waterstop, top board adopts PVC to glue anchor formula waterstop, these two kinds of waterstops in position realize being connected being formed hands over circle sealing continuously, and have employed extraordinary adhesive, sweat soldering and butyl sealant band make the outer waterproof of waterstop and main body also form scene to be tightly connected, overcoming the outer waterproof of waterstop and main body in prior art can not the shortcoming of continuous sealing, also existing base plate is solved, sidewall waterstop and top board waterstop can not hand over the difficult problem of enclosing and forming effective sealing waterproof continuously, revolutionize the present situation of current underground construction " ten seams nine leak ".
Claims (10)
1. a underground construction waterproofing of movement joints technology, comprises top board, base plate, sidewall, waterstop, and described top board, base plate, sidewall are provided with deformation joint to main waterproof roll; Described waterstop is placed on deformation joint, under described main waterproof roll is laid on base plate and on top board, outside sidewall; It is characterized in that: described be arranged at base plate, the waterstop of sidewall is external waterstop; The waterstop be arranged on top board is sticky anchor formula waterstop, described external waterstop and sticky anchor formula waterstop are sealing adhesive below top board face, make described to form a closing seam circle around the waterstop on top board, base plate, sidewall, and form lap hermetically with described top board, base plate, the waterstop of sidewall and the adjacent main waterproof roll of being positioned at.
2. underground construction waterproofing of movement joints technology according to claim 1, is characterized in that, the sticky anchor formula waterstop on described top board is connected with the 300-500mm place below top board of the external waterstop on base plate.
3. underground construction waterproofing of movement joints technology according to claim 1, is characterized in that, described external waterstop and sticky anchor formula waterstop are PVC material.
4. underground construction waterproofing of movement joints technology according to claim 1, it is characterized in that: when waterstop and main waterproof roll sweat soldering, waterstop coil thickness is not less than 2mm, and the adhesion strength of adhesive on moist concrete is not less than 10N/mm, and 180 degree of peel strengths are not less than 4N/mm.
5. underground construction waterproofing of movement joints technology according to claim 1, it is characterized in that, when described main waterproof roll is PVC material, bottom deformation stitches the concrete decline of local, both sides and forms step, and after the waterstop on deformation joint and main waterproof roll are overlapped, also sweat soldering or extraordinary MR adhesive bond.
6. underground construction waterproofing of movement joints technology according to claim 1, it is characterized in that, when base plate, sidewall adopt pre-installed and inverted adhered waterproof roll, the naked limit of described waterstop and pre-installed and inverted adhered waterstop directly overlaps or sweat soldering or adopt butyl sealant band to fix.
7. underground construction waterproofing of movement joints technology according to claim 1, it is characterized in that, when main waterproof roll adopts modified asphalt waterproof coiled material, local, bottom deformation seam both sides concrete is raised and is formed protruding step, makes external waterstop not only directly can pour into concrete but also connect by butyl sealant band and main waterproof roll.
8. underground construction waterproofing of movement joints technology according to claim 1 and 2, is characterized in that, the marching method of the waterstop on described top board and the waterstop on base plate is:
S1, sticky anchor formula waterstop on described top board vertically forwards sidewall to the radius arcuate being not less than 30mm by top board, cut-in groove on sidewall, described groove extends to the external waterstop upper end sidewall from sidewall initiating terminal, make described sticky anchor formula waterstop be bonded in described groove;
S2, described external waterstop is cut open from sidewall concrete external surface along cavity ring both sides, and described Cutting Length is 100mm;
S3, is recessed into described sticky anchor formula waterstop and is adhered to inside the described cavity ring be cut open;
S4, is anchored rod by the closed pore of corresponding cavity ring Cutting Length and is sticked at inside the described cavity ring be cut open by adhesive plug, make the seam crossing of described sticky anchor formula waterstop and external waterstop be anchored excellent adhesion by described closed pore;
S5, after-tacks described cavity ring and is cut open the tongue piece of formation and be bonded in by tongue piece on described closed pore anchor rod.
9. underground construction waterproofing of movement joints technology according to claim 8, is characterized in that, described bonding adhesive is extraordinary water-fast epoxy adhesive, and it is butyronitrile foam rubber rod that described closed pore is anchored rod.
10. underground construction waterproofing of movement joints method according to claim 8, is characterized in that, the diameter of described acrylonitrile-butadiene rubber rod is a bit larger tham described external waterstop cavity ring annular diameters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410472932.6A CN104278699B (en) | 2014-09-16 | 2014-09-16 | A kind of underground engineering waterproofing of movement joints technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410472932.6A CN104278699B (en) | 2014-09-16 | 2014-09-16 | A kind of underground engineering waterproofing of movement joints technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104278699A true CN104278699A (en) | 2015-01-14 |
| CN104278699B CN104278699B (en) | 2016-08-31 |
Family
ID=52254006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410472932.6A Expired - Fee Related CN104278699B (en) | 2014-09-16 | 2014-09-16 | A kind of underground engineering waterproofing of movement joints technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104278699B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106149763A (en) * | 2016-08-23 | 2016-11-23 | 青岛城建集团有限公司 | Buried rubber fastening band system and construction thereof in a kind of waterproof structures deformation joint |
| CN106437786A (en) * | 2016-10-21 | 2017-02-22 | 丰泽工程橡胶科技开发股份有限公司 | Water diversion type water-stop belt of tunnel 5 cm seismic joint |
| CN109235497A (en) * | 2018-11-02 | 2019-01-18 | 中国十七冶集团有限公司 | A kind of fixed structure and its construction method of the external labeling type waterstop for piping lane gap location |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10311050A (en) * | 1997-05-09 | 1998-11-24 | Tatenuma Kensetsu Kk | Underground living room of dwelling house |
| JP2001295313A (en) * | 2000-04-17 | 2001-10-26 | Achilles Corp | Drainage panel |
| CN202658626U (en) * | 2012-07-12 | 2013-01-09 | 振华集团（昆山）建设工程有限公司 | Basement communicating port deformation joint waterproof plugging structure |
| CN203256815U (en) * | 2013-05-03 | 2013-10-30 | 孔志坚 | Deformation joint of basement bottom slab |
| CN203393747U (en) * | 2013-05-27 | 2014-01-15 | 江苏兴厦建筑安装有限公司 | Basement deformation joint structure |
| CN204080875U (en) * | 2014-09-16 | 2015-01-07 | 深圳大学建筑设计研究院 | A kind of underground construction waterproofing of movement joints structure |
-
2014
- 2014-09-16 CN CN201410472932.6A patent/CN104278699B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10311050A (en) * | 1997-05-09 | 1998-11-24 | Tatenuma Kensetsu Kk | Underground living room of dwelling house |
| JP2001295313A (en) * | 2000-04-17 | 2001-10-26 | Achilles Corp | Drainage panel |
| CN202658626U (en) * | 2012-07-12 | 2013-01-09 | 振华集团（昆山）建设工程有限公司 | Basement communicating port deformation joint waterproof plugging structure |
| CN203256815U (en) * | 2013-05-03 | 2013-10-30 | 孔志坚 | Deformation joint of basement bottom slab |
| CN203393747U (en) * | 2013-05-27 | 2014-01-15 | 江苏兴厦建筑安装有限公司 | Basement deformation joint structure |
| CN204080875U (en) * | 2014-09-16 | 2015-01-07 | 深圳大学建筑设计研究院 | A kind of underground construction waterproofing of movement joints structure |
Non-Patent Citations (1)
| Title |
|---|
| 张道真等: "地下室防水体系的简化设计", 《中国建筑防水》, 31 December 2012 (2012-12-31), pages 1 - 4 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106149763A (en) * | 2016-08-23 | 2016-11-23 | 青岛城建集团有限公司 | Buried rubber fastening band system and construction thereof in a kind of waterproof structures deformation joint |
| CN106149763B (en) * | 2016-08-23 | 2019-02-05 | 青岛城建集团有限公司 | Buried rubber fastening band system and its construction in a kind of waterproof structures deformation joint |
| CN106437786A (en) * | 2016-10-21 | 2017-02-22 | 丰泽工程橡胶科技开发股份有限公司 | Water diversion type water-stop belt of tunnel 5 cm seismic joint |
| CN109235497A (en) * | 2018-11-02 | 2019-01-18 | 中国十七冶集团有限公司 | A kind of fixed structure and its construction method of the external labeling type waterstop for piping lane gap location |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104278699B (en) | 2016-08-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108411939A (en) | The spliced prefabricated pipe gallery of one kind and its construction method | |
| CN106703084A (en) | Waterproofing treatment method and system of construction joint structure of plane and elevation structure junction areas of basement | |
| CN207092153U (en) | A kind of bottom deformation seam percolating water repairs structure | |
| CN205502264U (en) | Waterproof structure of movement joint | |
| CN204060729U (en) | Tunnel waterproofing construction | |
| CN104278699B (en) | A kind of underground engineering waterproofing of movement joints technology | |
| CN111350282A (en) | Pre-laid waterproof coiled material construction process for welding and gluing combined construction | |
| CN204080875U (en) | A kind of underground construction waterproofing of movement joints structure | |
| CN211312492U (en) | Prestressed pipe pile head waterproof structure and pipe pile head | |
| CN109372024A (en) | A kind of sole plate waterproof structure for deformation seams and construction method | |
| CN110644431A (en) | River channel pier anti-seepage structure and construction method thereof | |
| CN209368894U (en) | A kind of sole plate waterproof structure for deformation seams | |
| CN208309638U (en) | A kind of outer waterproof construction of underground pipe gallery | |
| CN207244676U (en) | Rubber fastening band bell and spigot joint | |
| CN113137015B (en) | Roof reversed beam water hole waterproof node structure and construction method thereof | |
| CN214614184U (en) | Steel-edged rubber water stop and pipe gallery splicing structure with improved splicing part | |
| CN213868357U (en) | Waterproofing membrane of easily splicing | |
| CN203867093U (en) | Overlapping construction for polyethylene polypropylene fiber waterproof coiled material and SBS modified asphalt waterproof coiled material | |
| CN214784232U (en) | Waterproof structure of bottom plate and side wall | |
| CN213572064U (en) | Lapping structure of waterproof layer of bottom plate and waterproof layer of side wall | |
| CN210706402U (en) | Novel waterproof coiled material | |
| CN211548112U (en) | Splice joint structure of waterproof layer | |
| CN102505947A (en) | Construction method for butt-jointing and sealing waterproof rolls | |
| CN210827338U (en) | River channel pier department seepage prevention structure | |
| CN210216515U (en) | Forming well-sealing water stop casing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20160831 Termination date: 20170916 |