CN104652459B - Underground anti-seepage construction method - Google Patents
Underground anti-seepage construction method Download PDFInfo
- Publication number
- CN104652459B CN104652459B CN201410855424.6A CN201410855424A CN104652459B CN 104652459 B CN104652459 B CN 104652459B CN 201410855424 A CN201410855424 A CN 201410855424A CN 104652459 B CN104652459 B CN 104652459B
- Authority
- CN
- China
- Prior art keywords
- joint pin
- underground anti
- seepage
- permeable membrane
- construction method
- 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.)
- Active
Links
Landscapes
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention discloses a kind of underground anti-seepage construction method, it is characterised in that include step: 1), around Polluted area, hollow out groove; 2), underground anti-seepage device is transferred to described dead slot; Described underground anti-seepage device includes antiseepage film or permeable membrane and joint pin, and described joint pin is for connecting at least two pieces of antiseepage film or permeable membrane; 3), backfill dead slot, described underground anti-seepage device is fixed in dead slot. Underground anti-seepage construction method in the present invention, the method utilizing simple in construction, underground anti-seepage device easy to assembly to realize isolation Polluted area, can prevent contaminated water from penetrating into peripheral region, it is prevented that to pollute and expand.
Description
Technical field
The present invention relates to underground anti-seepage construction method.
Background technology
Underground anti-seepage processes the contact being mainly used in cutting off subsoil water, and pollution source of groundwater is enclosed in a region, it is prevented that polluter spreads, and continues to pollute clean subsoil water. The method of existing employing concreting cut-pff wall, can cause secondary pollution, be unfavorable for environmental protection.
Summary of the invention
An object of the present invention is to overcome the deficiencies in the prior art, it is provided that a kind of method implementing to isolate underground pollution easily.
For realizing object above, the present invention is achieved through the following technical solutions:
Underground anti-seepage construction method, it is characterised in that include step:
1), around Polluted area, groove is hollowed out;
2), underground anti-seepage device is transferred to described dead slot; Described underground anti-seepage device includes antiseepage film or permeable membrane and connection
Post, described joint pin is for connecting at least two pieces of antiseepage film or permeable membrane;
3), backfill dead slot, described underground anti-seepage device is fixed in dead slot.
Preferably, described dead slot surrounds Polluted area, and described underground anti-seepage device is connected as the annular closed.
Preferably, described joint pin is provided with installing hole; Described installing hole extends along described joint pin short transverse; Described joint pin is additionally provided with groove; Described groove one end connects with described installing hole, and the opening of the other end is positioned on the sidewall of described joint pin; Described at least two pieces of antiseepage film or permeable membrane are connected by described joint pin; Described antiseepage film or permeable membrane end are fixed in described installing hole.
Preferably, described joint pin is cuboid or square shape, and described joint pin cross section is rectangle or square.
Preferably, described joint pin cross section is capsule-type.
Preferably, also including metal guide pillar, described metal guide pillar is connected with described joint pin.
Preferably, described metal guide pillar or described joint pin have plush copper on one of them, and another is provided with dovetail groove; Described plush copper and dovetail groove engage mutually.
Preferably, described joint pin is provided with injected hole;Described injected hole extends along described joint pin short transverse, and described injected hole connects with described installing hole; It is marked with cement in described injected hole and described installing hole.
Preferably, it is plugged with Grouting Pipe in described injected hole; Described Grouting Pipe has tube chamber; Described tube chamber connects with described installing hole.
Preferably, the tube wall of described Grouting Pipe being provided with through hole, described through hole connects described injected hole and described tube chamber.
Preferably, also including positioning pipe or locating dowel, described antiseepage film or permeable membrane one end and be connected in positioning pipe or locating dowel, positioning pipe or locating dowel are inserted in installing hole.
Preferably, antiseepage film or permeable membrane end are wrapped up in positioning pipe or locating dowel, antiseepage film or permeable membrane are connected with positioning pipe or locating dowel.
Preferably, being marked with cement in described installing hole, cement is by bonding to antiseepage film or permeable membrane, joint pin and positioning pipe or locating dowel.
In the present invention, backfill dead slot can use sand, sandstone or other available backfill material.
Underground anti-seepage construction method in the present invention, the method utilizing simple in construction, underground anti-seepage device easy to assembly to realize isolation Polluted area, can prevent contaminated water from penetrating into peripheral region, it is prevented that to pollute and expand. Utilize underground anti-seepage device, connect multiple antiseepage film by joint pin or permeable membrane connects, the waterproofing coverage device of composition larger area, polluter can be enclosed in a region. The present invention utilizes slip casting in installing hole, is sealed by the connecting portion of antiseepage film or permeable membrane and joint pin, and anti-seepage effect is better, optimizes antiseepage function. The present invention can adopt clean type antiseepage film or permeable membrane, and the durability of underground is better, and in corrosion process, will not carryover contamination. Adopting positioning pipe, can also hold cement mortar in positioning pipe, slip casting is more convenient, and fixed effect is better. Metal guide pillar can support joint pin, it is prevented that joint pin flexural deformation, contributes to joint pin and antiseepage film or permeable membrane being in place quickly and accurately. Adopting Grouting Pipe, the material of Grouting Pipe can be different from the material of joint pin, and Grouting Pipe can adopt the material manufacture being more prone to slip casting, facilitates slip casting. Adopting Grouting Pipe, it is possible to increase the construction method of slip casting, both can arrange through hole on the tube wall of Grouting Pipe, cement mortar injects in installing hole from through hole; Can also being not provided with through hole, but while slip casting, Grouting Pipe upwards be extracted gradually, slip casting completes, and Grouting Pipe is extracted completely, so can reuse Grouting Pipe, saves cost.
Antiseepage film or permeable membrane can be combined and connect by the present invention, forms antiseepage film or the permeable membrane of larger area. Polylith antiseepage film or permeable membrane assemble, connect after, excavate out dead slot on the ground, transfer antiseepage film or permeable membrane, then adopt sand backfill, antiseepage purpose can be reached, technique is simple.
Accompanying drawing explanation
Fig. 1 is step 1 of the present invention) construction method schematic diagram.
Fig. 2 is step 2 of the present invention) construction method schematic diagram.
Fig. 3 is step 3 of the present invention) construction method schematic diagram.
Fig. 4 is the underground anti-seepage apparatus structure schematic diagram of embodiment 1.
Fig. 5 is the structural representation before the non-slip casting of underground anti-seepage device in embodiment 1.
Fig. 6 is the underground anti-seepage apparatus structure schematic diagram of embodiment 2.
Fig. 7 is the structural representation before the non-slip casting of underground anti-seepage device in embodiment 2.
Fig. 8 is the underground anti-seepage apparatus structure schematic diagram of embodiment 3.
Fig. 9 is the structural representation before the non-slip casting of underground anti-seepage device in embodiment 3.
Number in the figure illustrates:
1, antiseepage film or permeable membrane; 2, joint pin; 21, dovetail groove; 22, groove; 3, installing hole; 4, locating dowel; 5, metal guide pillar; 51, plush copper; 7, cement; 8, injected hole; 9, positioning pipe; 10, dead slot; 11, sand.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail.
Embodiment 1
Underground anti-seepage construction method, including step:
1) as it is shown in figure 1, hollow out groove 10 around Polluted area, described dead slot 10 is around Polluted area.
2) as in figure 2 it is shown, underground anti-seepage device is transferred to described dead slot 10. Underground anti-seepage device is connected as the annular closed.
3) as it is shown on figure 3, use sand 11 to backfill dead slot 10, described underground anti-seepage device is fixed in dead slot 10.
As shown in Figure 4, Figure 5, underground anti-seepage device includes polylith antiseepage film or permeable membrane 1 and multiple underground anti-seepage jointing. Underground anti-seepage jointing includes metal guide pillar 5 and joint pin 2. Having dovetail groove 21 on joint pin 2, metal guide pillar 5 is provided with plush copper 51. Plush copper 51 and dovetail groove 21 engage mutually, make joint pin 2 and metal guide pillar 5 connect. For two pieces of antiseepage film or 1, metal guide pillar 5 of permeable membrane and the explanation of a joint pin 2. Described joint pin 2 offers at least two installing hole 3. Described installing hole 3 extends along described joint pin 2 short transverse. Joint pin 2 is additionally provided with groove 22. Described groove 22 one end connects with described installing hole 3, and the opening 22 of the other end is positioned on the sidewall of described joint pin 2. Described antiseepage film or permeable membrane 1 one end are wrapped on positioning pipe 9, antiseepage film or permeable membrane 1 end are connected with positioning pipe 9. Positioning pipe 9 with antiseepage film or permeable membrane 1 is inserted in installing hole 3. Installing hole 3 side is provided with injected hole 8. Grouting Pipe 6 it is plugged with in injected hole 8. Grouting Pipe 6 has tube chamber 61. The tube wall of Grouting Pipe 6 is provided with through hole (not shown). Through hole connection injected hole 8 and tube chamber 61. Being marked with cement 7 in described tube chamber 61 and installing hole 3, cement 7 makes antiseepage film or permeable membrane 1, positioning pipe 9 and joint pin 2 bonding, and makes tube chamber 61, installing hole 3 and injected hole 8 close.
Every two pieces of antiseepage film or permeable membrane 1 adopt a joint pin 2 to connect, and make polylith antiseepage film or permeable membrane 1 be sequentially connected with the length of composition needs or the annular of formation closing as shown in Figure 3. Plush copper 51 and dovetail groove 21 engage, and joint pin 2 and metal guide pillar 5 are connected.
Around the region needing isolation, excavate out dead slot, dead slot will be put under underground anti-seepage device. After having transferred, backfill medium coarse sand or sand in the side of antiseepage film or permeable membrane 1, backfill closely knit. Then pass through Grouting Pipe 6 and inject cement mortar. Cement mortar injects in injected hole 8 and installing hole 3 from through hole. The underground anti-seepage device shown in Fig. 1 is formed after grout cures. Antiseepage film or permeable membrane 1, positioning pipe 9 both can be connected by cement 7 with joint pin 2, can groove 22, installing hole 3 and injected hole 8 and tube chamber 61 be closed again, it is prevented that seepage. The present invention relatively concrete watertight wall joint anti-seepage effect is better, and simple in construction, produces, easy to assembly.
Joint pin length direction of the present invention is the direction being perpendicular to paper in Fig. 1 or Fig. 4.
The present invention relatively concrete watertight wall joint anti-seepage effect is better, and simple in construction, produces, easy to assembly.Utilize Grouting Pipe 6 slip casting, im-pact location pipe 9 when can prevent slip casting, it is also possible to prevent positioning pipe 9 from hindering slip casting effect, cement mortar to be easier to inject in installing hole 3 and be filled uniformly with installing hole 3. Adopt positioning pipe 9, make grouting with plunger be more prone to operation and implement.
Positioning pipe 9 in above-described embodiment, it would however also be possible to employ locating dowel replaces.
Embodiment 2
Underground anti-seepage construction method, including step:
1) as it is shown in figure 1, hollow out groove 10 around Polluted area, described dead slot 10 is around Polluted area.
2), as described in Example 1, underground anti-seepage device is transferred to described dead slot 10. Underground anti-seepage device is connected as envelope
The annular closed.
3), as described in Example 1, use sand 11 to backfill dead slot 10, described underground anti-seepage device is fixed in dead slot 10.
As shown in Figure 6, Figure 7, underground anti-seepage device includes polylith antiseepage film or permeable membrane 1, joint pin 2 and metal guide pillar 5. Having dovetail groove 21 on joint pin 2, metal guide pillar 5 is provided with plush copper 51. Plush copper 51 and dovetail groove 21 engage mutually, make joint pin 2 and metal guide pillar 5 connect. For two pieces of antiseepage film or 1, locating dowel 4 of permeable membrane and the explanation of a joint pin 2. Described joint pin 2 offers at least two installing hole 3. Described installing hole 3 extends along described joint pin 2 short transverse. Joint pin 2 is additionally provided with groove 22. Described groove 22 one end connects with described installing hole 3, and the opening 22 of the other end is positioned on the sidewall of described joint pin 2. Described antiseepage film or permeable membrane 1 one end are wrapped in locating dowel 4, antiseepage film or permeable membrane 1 end are connected with locating dowel 4. Locating dowel 4 with antiseepage film or permeable membrane 1 is inserted in installing hole 3. Being marked with cement 7 in described installing hole 3, cement 7 makes antiseepage film or permeable membrane 1 and joint pin 2 bonding.
Every two pieces of antiseepage film or permeable membrane 1 adopt a joint pin 2 to connect, and make polylith antiseepage film or permeable membrane 1 be sequentially connected with the length that composition needs or the annular forming closing. Plush copper 51 and dovetail groove 21 engage, and joint pin 2 and metal guide pillar 5 are connected. Around the region needing isolation, excavate out dead slot, dead slot will be put under underground anti-seepage device. After having transferred, backfill medium coarse sand in the side of antiseepage film or permeable membrane 1, backfill closely knit. Then in installing hole 3, inject cement mortar, after grout cures, form the underground anti-seepage device shown in Fig. 1. Antiseepage film or permeable membrane 1, locating dowel 4 both can be connected by cement 7 with joint pin 2, can groove 22 and installing hole 3 be closed again, it is prevented that seepage. The present invention relatively concrete watertight wall joint anti-seepage effect is better, and simple in construction, produces, easy to assembly.
Embodiment 3
Underground anti-seepage construction method, including step:
1) as it is shown in figure 1, hollow out groove 10 around Polluted area, described dead slot 10 is around Polluted area.
2), as described in embodiment 1,2, underground anti-seepage device is transferred to described dead slot 10. Underground anti-seepage device is connected as
The annular closed.
3), as described in embodiment 1,2, use sand 11 to backfill dead slot 10, described underground anti-seepage device is fixed on dead slot
In 10.
As shown in Figure 8, Figure 9, underground anti-seepage device includes polylith antiseepage film or permeable membrane 1, joint pin 2 and metal guide pillar 5. Having dovetail groove 21 on joint pin 2, metal guide pillar 5 is provided with plush copper 51. Plush copper 51 and dovetail groove 21 engage mutually, make joint pin 2 and metal guide pillar 5 connect. For two pieces of antiseepage film or 1, locating dowel 4 of permeable membrane and the explanation of a joint pin 2.Described joint pin 2 offers at least two installing hole 3. Described installing hole 3 extends along described joint pin 2 short transverse. Joint pin 2 is additionally provided with groove 22. Described groove 22 one end connects with described installing hole 3, and the opening 22 of the other end is positioned on the sidewall of described joint pin 2. Described antiseepage film or permeable membrane 1 one end are wrapped in locating dowel 4, antiseepage film or permeable membrane 1 end are connected with locating dowel 4. Locating dowel 4 with antiseepage film or permeable membrane 1 is inserted in installing hole 3. Installing hole 3 is other offers injected hole 8. Injected hole 8 connects with installing hole 3. Being marked with cement 7 in injected hole 8 and installing hole 3, cement 7 makes antiseepage film or permeable membrane 1, locating dowel 4 and joint pin 2 bonding, and installing hole 3 and injected hole 8 is closed.
Every two pieces of antiseepage film or permeable membrane 1 adopt a joint pin 2 to connect, make polylith antiseepage film or permeable membrane 1 be sequentially connected with the length that composition needs or the annular forming closing. Plush copper 51 and dovetail groove 21 engage, and joint pin 2 and metal guide pillar 5 are connected. Around the region needing closing, excavate out dead slot, dead slot will be put under underground anti-seepage device. After having transferred, backfill medium coarse sand in the side of antiseepage film or permeable membrane 1, backfill closely knit. Then in installing hole 8, inject cement mortar. Cement mortar injects in installing hole 3 from injected hole 8, it is possible to inject cement mortar from injected hole 8 and installing hole 3 simultaneously. The underground anti-seepage device shown in Fig. 3 is formed after grout cures. Antiseepage film or permeable membrane 1, positioning pipe both can be connected by cement 7 with joint pin 2, can groove 22, installing hole 3, injected hole 8 be closed again, it is prevented that seepage. The present invention relatively concrete watertight wall joint anti-seepage effect is better, and simple in construction, produces, easy to assembly. Utilize injected hole 8 slip casting, im-pact location post 4 when can prevent slip casting, it is also possible to prevent locating dowel 4 from hindering slip casting effect. Utilizing injected hole 8 to inject cement mortar, cement mortar is easier to inject in installing hole 3 and be filled uniformly with installing hole 3.
Locating dowel 4 in above-described embodiment, it would however also be possible to employ positioning pipe replaces. Utilizing positioning pipe, slip casting is convenient.
Antiseepage film in the present invention or permeable membrane, it is possible to adopt complete impervious material to make, sewage is completely enclosed within specific region. Permeable membrane in the present invention, it is possible to adopt the material of some composition (such as heavy metal) can crossed in drainage to make so that the special component in sewage cannot pass permeable membrane, and water can penetrate through.
Underground anti-seepage device in the present invention is used for contaminant water Anti-seeping technology, it is not necessary to casting concrete, is greatly saved antiseepage cost; Decreasing the pollution again of concreting simultaneously, also correspondingly reduce the required a large amount of human and material resources that process after concrete aging, the durability of employing clean type antiseepage film or permeable membrane underground is better, and in corrosion process, will not carryover contamination.
Underground anti-seepage jointing in the present invention and underground anti-seepage device, it is possible to connect multiple antiseepage film by joint pin or permeable membrane connects, the waterproofing coverage device of composition larger area, polluter can be enclosed in a region. The present invention utilizes slip casting in installing hole, is sealed by the connecting portion of antiseepage film or permeable membrane and joint pin, and anti-seepage effect is better, optimizes antiseepage function. The present invention can adopt clean type antiseepage film or permeable membrane, and the durability of underground is better, and in corrosion process, will not carryover contamination. Adopting positioning pipe, can also hold cement mortar in positioning pipe, slip casting is more convenient, and fixed effect is better.Metal guide pillar can support joint pin, it is prevented that joint pin flexural deformation, contributes to joint pin and antiseepage film or permeable membrane being in place quickly and accurately.
Antiseepage film or permeable membrane can be combined and connect by the present invention, forms antiseepage film or the permeable membrane of larger area. Polylith antiseepage film or permeable membrane assemble, connect after, excavate out dead slot on the ground, transfer antiseepage film or permeable membrane, then adopt sand backfill, antiseepage purpose can be reached, technique is simple.
Embodiment in the present invention, only for the present invention will be described, is not intended that the restriction to right, those skilled in that art it is contemplated that other replacements being substantially equal to, all in scope.
Claims (11)
1. underground anti-seepage construction method, it is characterised in that include step:
1), around Polluted area, groove is hollowed out;
2), underground anti-seepage device is transferred to described dead slot; Described underground anti-seepage device includes antiseepage film or permeable membrane and joint pin, and described joint pin is for connecting at least two pieces of antiseepage film or permeable membrane;
3), backfill dead slot, described underground anti-seepage device is fixed in dead slot;
Described joint pin is provided with installing hole; Described installing hole extends along described joint pin short transverse; Described joint pin is additionally provided with groove; Described groove one end connects with described installing hole, and the opening of the other end is positioned on the sidewall of described joint pin;
Described at least two pieces of antiseepage film or permeable membrane are connected by described joint pin; Described antiseepage film or permeable membrane end are fixed in described installing hole;
Described joint pin is provided with injected hole; Described injected hole extends along described joint pin short transverse, and described injected hole connects with described installing hole; It is marked with cement in described injected hole and described installing hole.
2. underground anti-seepage construction method according to claim 1, it is characterised in that described dead slot surrounds Polluted area, described underground anti-seepage device is connected as the annular closed.
3. underground anti-seepage construction method according to claim 1 and 2, it is characterised in that described joint pin is rectangular shape, described joint pin cross section is rectangle.
4. underground anti-seepage construction method according to claim 1 and 2, it is characterised in that described joint pin cross section is capsule-type.
5. underground anti-seepage construction method according to claim 1 and 2, it is characterised in that also including metal guide pillar, described metal guide pillar is connected with described joint pin.
6. underground anti-seepage construction method according to claim 5, it is characterised in that described metal guide pillar or described joint pin have plush copper on one of them, and another is provided with dovetail groove; Described plush copper and dovetail groove engage mutually.
7. underground anti-seepage construction method according to claim 1, it is characterised in that be plugged with Grouting Pipe in described injected hole;
Described Grouting Pipe has tube chamber; Described tube chamber connects with described installing hole.
8. underground anti-seepage construction method according to claim 7, it is characterised in that be provided with through hole on the tube wall of described Grouting Pipe, described through hole connects described injected hole and described tube chamber.
9. underground anti-seepage construction method according to claim 1, it is characterised in that also including positioning pipe or locating dowel, described antiseepage film or permeable membrane one end and be connected in positioning pipe or locating dowel, positioning pipe or locating dowel are inserted in installing hole.
10. underground anti-seepage construction method according to claim 9, it is characterised in that antiseepage film or permeable membrane end are wrapped up in positioning pipe or locating dowel, antiseepage film or permeable membrane are connected with positioning pipe or locating dowel.
11. underground anti-seepage construction method according to claim 10, it is characterised in that be marked with cement in described installing hole, cement is by bonding to antiseepage film or permeable membrane, joint pin and positioning pipe or locating dowel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410855424.6A CN104652459B (en) | 2014-12-31 | 2014-12-31 | Underground anti-seepage construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410855424.6A CN104652459B (en) | 2014-12-31 | 2014-12-31 | Underground anti-seepage construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104652459A CN104652459A (en) | 2015-05-27 |
| CN104652459B true CN104652459B (en) | 2016-06-15 |
Family
ID=53244053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410855424.6A Active CN104652459B (en) | 2014-12-31 | 2014-12-31 | Underground anti-seepage construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104652459B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006226061A (en) * | 2005-02-21 | 2006-08-31 | Shimizu Corp | Underground drainage construction method |
| CN101319498A (en) * | 2008-07-17 | 2008-12-10 | 万勇 | Lattice type prefabricated prestressed underground continuous wall and its construction method |
| CN103174173A (en) * | 2013-03-08 | 2013-06-26 | 浙江大学 | Method for shallow part enhancement type soil-swell soil vertical antifouling separating wall |
| CN104213572A (en) * | 2014-09-05 | 2014-12-17 | 山东省水利科学研究院 | Composite geo-membrane sealing joint and manufacturing method thereof |
-
2014
- 2014-12-31 CN CN201410855424.6A patent/CN104652459B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006226061A (en) * | 2005-02-21 | 2006-08-31 | Shimizu Corp | Underground drainage construction method |
| CN101319498A (en) * | 2008-07-17 | 2008-12-10 | 万勇 | Lattice type prefabricated prestressed underground continuous wall and its construction method |
| CN103174173A (en) * | 2013-03-08 | 2013-06-26 | 浙江大学 | Method for shallow part enhancement type soil-swell soil vertical antifouling separating wall |
| CN104213572A (en) * | 2014-09-05 | 2014-12-17 | 山东省水利科学研究院 | Composite geo-membrane sealing joint and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104652459A (en) | 2015-05-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204570751U (en) | Underground anti-seepage jointing and underground anti-seepage device | |
| CN204901197U (en) | Drainage pipe that diameter is 300 -600mm is with local slip casting prosthetic devices | |
| CN203991655U (en) | A kind of in situ chemical oxidation Injection Well system | |
| CN102288480A (en) | Device for sealing triaxial test sample of soil body and method for using device | |
| CN103321255A (en) | Underground concrete structural engineering joint waterproof construction method | |
| CN103334446B (en) | Soil texture deep excavation side wall water burst plugging device and method | |
| CN203939060U (en) | The slight leakage plugging structure of a kind of diaphragm wall | |
| CN204570749U (en) | Underground anti-seepage jointing and sealed underground percolator | |
| CN204570715U (en) | Underground anti-seepage jointing | |
| CN102535518B (en) | Plugging method of large seam of underground diaphragm wall | |
| CN104652458B (en) | The construction method of isolation underground pollution | |
| CN104652459B (en) | Underground anti-seepage construction method | |
| CN103741949A (en) | Device and method for joint treatment between vertical structure and horizontal structure | |
| CN204570716U (en) | Underground anti-seepage novel jointing and Novel underground percolator | |
| CN203334285U (en) | Underground concrete structure engineering seam waterproof preparation grouting system | |
| CN202108045U (en) | Sleeve pipe with anchor rod penetrating through underground continuous wall | |
| CN203463123U (en) | Pushing expansion grouting-stop plug for hollow grouting anchor cable | |
| CN204570750U (en) | underground anti-seepage device | |
| CN203654760U (en) | Device for treating seam between vertical structure and horizontal structure | |
| CN106013197A (en) | Pre-grouting water stopping method for connecting part between diaphragm wall and bottom board | |
| CN102296618A (en) | Sleeve with anchor rod penetrating through diaphragm wall | |
| CN211113774U (en) | Assembled PC basement lateral wall post-cast strip structure | |
| CN103195062B (en) | The method of pile grouting | |
| CN204691791U (en) | The waterproof construction of rectangular top pipe | |
| CN103437408B (en) | Built-in impermeable floor drain |
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 |