CN1325829C - Method for continuous casting delivery pipeline with soft gas-pocket and soft gas-pocket thereof - Google Patents
Method for continuous casting delivery pipeline with soft gas-pocket and soft gas-pocket thereof Download PDFInfo
- Publication number
- CN1325829C CN1325829C CNB021352895A CN02135289A CN1325829C CN 1325829 C CN1325829 C CN 1325829C CN B021352895 A CNB021352895 A CN B021352895A CN 02135289 A CN02135289 A CN 02135289A CN 1325829 C CN1325829 C CN 1325829C
- Authority
- CN
- China
- Prior art keywords
- air bag
- concrete
- software
- framework
- steel reinforcement
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The present invention belongs to the technical field of a method for fabricating a pipeline by concrete on the spot. In the method, a. a reinforcing bar skeleton is placed in an underground trench, a soft air bag without air is placed in the reinforcing bar skeleton, and the inflation is completed; b. concrete is poured along both sides of the reinforcing bar skeleton, after the air bag is raised up, a positioning strip is placed on the top end of the air bag, and more than one positioning strip is placed on both sides of the air bag respectively; c. the positioning strips are drawn away when the concrete is poured to reach the height which is more than 1/2 of the pipe diameter in an upward direction; d. when the concrete is poured to surpass the soft air bag, and the concrete is compacted by a vibration device; e. when concrete is poured from the back to the front, and the skeleton of the subsequent section is connected with the skeleton of the front section; f. when the concrete of the tail end of the section is compacted by vibration, air in the soft air bag is released, and the soft air bag is drawn into the reinforcing bar skeleton of the back section; g. air is charged in the air bag, and the technology from b to f is circularly carried out. With the adoption of the method, the cost in conveying pipelines is greatly reduced, the construction efficiency is improved, the work load is lightened; the whole pipeline does not have a joint, and the leakage phenomenon of the pipeline can not occur. Moreover, the pipeline can be changed along with the terrain and can be free from the limitation of the terrain.
Description
Technical field
The invention belongs to technical field with the method for concrete field fabrication pipeline.There are not seam, the underground gas transmission that tightness is good, the method for transfusion concrete duct with the concrete field fabrication specifically.
Background technique
We build large-scale water delivery, gas transmission engineering pipeline now, all be after cement product precast plant makes, to transport concrete duct to job site more in advance, carry out pipe laying, because the whole piece pipeline is to be formed by connecting with successively a pipeline, each pipe joint road makes already, therefore there has been polylinker in the whole piece pipeline, and joint, every pipe joint road adopts cement to touch seam more, asphalt mortar, bituminous mortar is smeared, or adopt the rubber cushion rubber to push method connections such as leak stopping, but no matter connect, all can not solve the leakage problems at pipeline joint-seam place with the sort of method leak stopping.And every water saving mud pipeline is in working process, be with the steam rapid solidification of heating, thereby the quality of pipeline is had a greatly reduced quality.It is 86107919 that Patent Office of the People's Republic of China discloses an application number on June 15th, 1986, name is called the patent application of " spot continual construction method for concrete pipeline ", his disclosed technology is to spread watertight plastic film or other watertight slim soft things in the groove that digs, lay half rib shape shop slurry mould, can inject the concrete that stirs in the slurry mould of shop descends segment pipe to build, the Lower Half pipeline has been built, take out shop slurry mould, putting the steel pipe internal mold into vibrates, then take out the steel pipe internal mold and put inflatable airtight flexible pipe inflation again into, charge gas, on flexible pipe, buckle the punching block of band material feeding mouth, grave mound, flexible pipe is extracted in venting then out, one section concrete pipeline can be built and be finished in general 40 minutes, carried out next section again and built.Must stay one section flexible pipe in the concrete pipe of having built when carrying out the building of next section; Build reinforced concrete pipiline as need, directly assembling reinforcement skeleton on plastic pellicle of having completed or watertight soft thing substitutes circle rib shape shop slurry mould with Framework Of Steel Reinforcement, directly builds the Lower Half concrete duct after the colligation, and other technologies are the same.Though this technology discloses a kind of technology that seems to be the in-situ continuous pouring concrete duct, but one, this technology is the casting craft of pipeline Lower Half in fact, and do not build the technology of the first half, behind the grave mound, whether just do not wanted with the punching block of material feeding mouth, perhaps he is the part of pipeline, if he is a mould, the taking-up that he will be complete is opened soil behind the injection concrete again, can only take out the punching block outer wall, how that takes out the punching block inwall.We are unknown.Two, open soil behind the grave mound again, workload is too big, labor intensity is too high, if the punching block inwall does not take out, the both has increased the construction cost of pipeline greatly, if take out the punching block inwall by force, certainly will will damage inner-walls of duct.Three, in groove, lay plastic pellicle or the soft thing of watertight thin type, also improved the fabricating cost of pipeline greatly.Be placed with half rib shape shop slurry mould when four, Lower Half is built; then extract half rib shape shop slurry mould again out and put into the steel pipe mould; when the injection concrete vibrates; because concrete characteristic; not having weight to be pressed on the steel pipe mould or with the steel pipe mould fixes in advance; the steel pipe mould can move upward automatically, and concrete is then walked downwards, and Lower Half will be difficult to water and build up semicircle.And to put shop slurry mould earlier, and starch mould with the steel pipe mould shop that swaps out again, with the airtight flexible pipe steel pipe mould that swaps out, building of lower half portion will be changed mould, trouble very three times again.Five, this technology has been built the first half, the taking-up punching block that breaks ground again again, and this needs long time, during this period of time concrete has passed through best freezing period, therefore, between leading portion and back segment joint is arranged, this technology does not claim it is the technology of in-situ continuous pouring concrete duct.From the International Classification of Patents of its prospectus, this technology is divided at E04G21/14, E04G15/00, E02B3/16, also is not the on-the-spot processing range of making conveyance conduit continuously.
Summary of the invention
For overcome conveyance conduit by a joint one pipe joint road connect cause joint is arranged and seepage and cost height, problem that workload is big, the invention provides that a kind of cost is low, workload is little, be fit to various terrian conditions, jointlessly can on-the-spotly only cast the conveyance conduit method continuously with a kind of mould of software air bag.
This method of casting conveyance conduit continuously with the software air bag is:
A, the Framework Of Steel Reinforcement of a joint conveyance conduit is put into the geosyncline that digs along the course of conveyance conduit, the software air bag of no gaseity is put into the Framework Of Steel Reinforcement of internal layer, give the software airbag aeration, wait to inflate and finish;
B, along cast concrete in the two side direction geosynclines of Framework Of Steel Reinforcement, along with concrete injection, after treating that air bag rises, put a positioning strip on the top of air bag, put into one or more than one positioning strips respectively along interlayer in air bag axisymmetric first half both sides and the Framework Of Steel Reinforcement;
The concrete of c, cast upwards reaches 1/2 o'clock of caliber and/or upwards reaches from the bottom 1/2 positioning strip of extraction when above of caliber from the bottom, or with constantly the increasing of height, and extracts the positioning strip of relevant position when reaching the positioning strip of corresponding height out;
D, in concreting when covering the software air bag, vibrate rammed concrete with vibrator;
E, from after constantly build rammed concrete forward in, the Framework Of Steel Reinforcement of subsequent segment is put into geosyncline is connected with the leading portion Framework Of Steel Reinforcement;
F, after vibratory concrete is tamped the end of this section, bleed off the gas in the software air bag, the software air bag is retracted in the back segment Framework Of Steel Reinforcement, when the end of software air bag during, stop to extract out to summit 2～8cm on the conveyance conduit end port of leading portion;
G, give the software air bag again, inflation finishes, and the technology from b～f is carried out in circulation.
The invention has the beneficial effects as follows, owing to be welded with Framework Of Steel Reinforcement positioning supports pin in the bottom of Framework Of Steel Reinforcement, between the Framework Of Steel Reinforcement that makes and the ground of groove certain space is arranged, concrete is pressed on the supporting foot after building concrete, make Framework Of Steel Reinforcement when concreting, not move up, can keep simultaneously the thickness of pipeline bottom again, and automatically the software air bag is lifted, and the positioning strip on software air bag top defines the lifting height of software air bag, guaranteed that the conveyance conduit wall thickness of casting is even, when casting the last period, the Framework Of Steel Reinforcement of next section just can be with the connection of the last period, after leading portion waters and makes, do not cave in as long as reach, just the gas in its software air bag can be bled off, the software air bag is extracted out, carry out casting of next section, realize casting continuously, the whole piece conveyance conduit does not have seam, has guaranteed the pipeline ne-leakage, and pipeline can change arbitrarily with landform, not limited by landform.
Description of drawings
Below in conjunction with drawings and Examples the present invention is elaborated;
Figure 1 shows that the front view of Framework Of Steel Reinforcement;
Figure 2 shows that the right elevation of Framework Of Steel Reinforcement;
Figure 3 shows that the front view of software air bag;
Figure 4 shows that the right elevation of software air bag;
Figure 5 shows that along the sectional view of A-A line shown in Figure 3;
Software air bag as shown in the figure comprises high-strength rubber software utricule (1), and the plastics that are surrounded by the outer surface high finishingness in the outside of software capsule (1) are not stained with film (2), the Air filling and discharging valves (3) that is communicated with software utricule (1) inner chamber.
Embodiment
To put into the geosyncline that digs along the course that designs at the joint conveyance conduit Framework Of Steel Reinforcement that the end of outer skeleton section is welded with Framework Of Steel Reinforcement positioning supports pin, Framework Of Steel Reinforcement is the bilayer that is connected as a single entity, the skin of Framework Of Steel Reinforcement and the tie point of internal layer are all in the upper end of Framework Of Steel Reinforcement, the software air bag of no gaseity is put into the internal layer of Framework Of Steel Reinforcement, give the software airbag aeration, after inflation finishes, concrete is injected in both sides along Framework Of Steel Reinforcement, vibrate with the bar type vibrator, make in the skeleton of the bottom of Framework Of Steel Reinforcement and bottom and be full of concrete, after treating that the software air bag rises, put a positioning strip on the top of software air bag, from the software balloon radius height first half of beginning, or the top of software air bag puts a positioning strip, from the software balloon radius height first half of beginning, or put one or two positioning strips respectively with the axisymmetric both sides of epimere from radial height.Also can put three positioning strips respectively, when the concrete of building upwards reach from the bottom caliber 1/2 the time and/or upwards reach 1/2 positioning strip of extraction when above of caliber from the bottom, or, when reaching the positioning strip of corresponding height, extract the positioning strip of relevant position out with constantly the increasing of height; In concreting when covering the software air bag, use the vibrator rammed concrete, leave one at every section conveyance conduit end of building and constitute the inclined-plane of an angle with vertical upwards, inclined-plane angle value is 25 °, 30 °, 35 °, 40 °, 45 °, from after build forward when rammed concrete advances, the Framework Of Steel Reinforcement of subsequent segment is put into geosyncline, be connected with the leading portion Framework Of Steel Reinforcement, after concrete is tamped the end of this section, when as long as pipeline coagulation soil does not cave in, bleed off the gas in the air bag, the software air bag is retracted in the back segment Framework Of Steel Reinforcement, when the end of software air bag is evacuated to summit 2cm on the conveyance conduit end port of leading portion, or 4cm, or 6cm, or during 8cm, stop to extract out, give the software airbag aeration again, inflation finishes, and the technology of front is carried out in circulation.
Claims (4)
1, a kind ofly cast the method for conveyance conduit continuously, it is characterized in that with the software air bag:
A, the Framework Of Steel Reinforcement of a joint conveyance conduit is put into the geosyncline that digs along the course of conveyance conduit, the software air bag of no gaseity is put into the Framework Of Steel Reinforcement of internal layer, give the software airbag aeration, wait to inflate and finish;
B, along cast concrete in the two side direction geosynclines of Framework Of Steel Reinforcement, along with concrete injection, after treating that air bag rises, put a positioning strip on the top of air bag, put into one or more than one positioning strips respectively along interlayer in air bag axisymmetric first half both sides and the Framework Of Steel Reinforcement;
The concrete of c, cast upwards reaches 1/2 o'clock of caliber and/or upwards reaches from the bottom 1/2 positioning strip of extraction when above of caliber from the bottom, or with constantly the increasing of height, and extracts the positioning strip of relevant position when reaching the positioning strip of corresponding height out;
D, in concreting when covering the software air bag, vibrate rammed concrete with vibrator;
E, from after constantly build rammed concrete forward in, the Framework Of Steel Reinforcement of subsequent segment is put into geosyncline is connected with the leading portion Framework Of Steel Reinforcement;
F, after vibratory concrete is tamped the end of this section, bleed off the gas in the software air bag, the software air bag is retracted in the back segment Framework Of Steel Reinforcement, when the end of software air bag during, stop to extract out to summit 2～8cm on the conveyance conduit end port of leading portion;
G, give the software airbag aeration again, inflation finishes, and the technology from b～f is carried out in circulation.
2, the method for casting conveyance conduit with the software air bag continuously according to claim 1, it is characterized in that putting a positioning strip, put one or two positioning strips respectively with the axisymmetric both sides of epimere from the first half of software balloon radius height beginning or from radial height on the top of software air bag.
3, the method for casting conveyance conduit with the software air bag continuously according to claim 1, it is characterized in that leaving at every section conveyance conduit end of building one and constitute the inclined-plane of an angle with vertical upwards, inclined-plane angle value is 25 ° or 30 ° or 40 ° or 45 °.
4, according to claim 1ly cast the method for conveyance conduit continuously, it is characterized in that being welded with Framework Of Steel Reinforcement positioning supports pin in the end of Framework Of Steel Reinforcement section with the software air bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021352895A CN1325829C (en) | 2002-07-30 | 2002-07-30 | Method for continuous casting delivery pipeline with soft gas-pocket and soft gas-pocket thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021352895A CN1325829C (en) | 2002-07-30 | 2002-07-30 | Method for continuous casting delivery pipeline with soft gas-pocket and soft gas-pocket thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1472464A CN1472464A (en) | 2004-02-04 |
| CN1325829C true CN1325829C (en) | 2007-07-11 |
Family
ID=34146092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021352895A Expired - Fee Related CN1325829C (en) | 2002-07-30 | 2002-07-30 | Method for continuous casting delivery pipeline with soft gas-pocket and soft gas-pocket thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1325829C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102926460A (en) * | 2012-11-20 | 2013-02-13 | 殷正伟 | Box-type apartment room, box-type combination room and building and assembling method of box-type apartment room and box-type combination room |
| CN108644470B (en) * | 2018-07-04 | 2020-07-14 | 中国二十冶集团有限公司 | Construction method of inner pipeline concrete support |
| CN111837894B (en) * | 2020-08-28 | 2021-12-17 | 时空云科技有限公司 | Technical method for changing dry land into paddy field |
| CN113309142A (en) * | 2021-06-21 | 2021-08-27 | 王书理 | Conveying pipeline production device and production method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87207100U (en) * | 1987-05-23 | 1988-02-17 | 宋柳青 | Domestic vacuum packing box |
| CN86107919A (en) * | 1986-11-19 | 1988-06-15 | 许昌市水利管理站 | Spot continual construction method for concrete pipeline |
| CN2123623U (en) * | 1992-01-28 | 1992-12-02 | 赵前锋 | Plastic aspirating apparatus |
| CN2123912U (en) * | 1990-07-13 | 1992-12-09 | 周秀龙 | Safety bag |
| JPH0827765A (en) * | 1994-06-29 | 1996-01-30 | Tsutomu Honma | Burial construction method of road occupying object and road occupying object protecting device |
| JPH10338927A (en) * | 1997-06-06 | 1998-12-22 | Nippon Conveyor Co Ltd | Base isolation method of embedded pipe and vibration isolation embedded pipe |
| CN1220125A (en) * | 1997-12-19 | 1999-06-23 | 陈秋生 | Inflatable mattress and its making method |
| CN1266137A (en) * | 1999-09-11 | 2000-09-13 | 任松 | Air bag form for building |
| JP2001163419A (en) * | 1999-12-09 | 2001-06-19 | Shimizu Corp | Underground structure |
-
2002
- 2002-07-30 CN CNB021352895A patent/CN1325829C/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86107919A (en) * | 1986-11-19 | 1988-06-15 | 许昌市水利管理站 | Spot continual construction method for concrete pipeline |
| CN87207100U (en) * | 1987-05-23 | 1988-02-17 | 宋柳青 | Domestic vacuum packing box |
| CN2123912U (en) * | 1990-07-13 | 1992-12-09 | 周秀龙 | Safety bag |
| CN2123623U (en) * | 1992-01-28 | 1992-12-02 | 赵前锋 | Plastic aspirating apparatus |
| JPH0827765A (en) * | 1994-06-29 | 1996-01-30 | Tsutomu Honma | Burial construction method of road occupying object and road occupying object protecting device |
| JPH10338927A (en) * | 1997-06-06 | 1998-12-22 | Nippon Conveyor Co Ltd | Base isolation method of embedded pipe and vibration isolation embedded pipe |
| CN1220125A (en) * | 1997-12-19 | 1999-06-23 | 陈秋生 | Inflatable mattress and its making method |
| CN1266137A (en) * | 1999-09-11 | 2000-09-13 | 任松 | Air bag form for building |
| JP2001163419A (en) * | 1999-12-09 | 2001-06-19 | Shimizu Corp | Underground structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1472464A (en) | 2004-02-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103993615B (en) | Large-drawdown pipe well plugging structure and construction method thereof | |
| CN108505805B (en) | Large cast-in-situ water pool with expansion reinforcing belt for crack control and construction method thereof | |
| KR100988457B1 (en) | The back feel grouting method for upper part of tunnel | |
| CN105178344A (en) | Built-in anti-floating anchor blocking structure used in foundation mat for deep-well dewatering well and construction method | |
| CN111501960B (en) | Prefabricated installation construction method of gap type drainage ditch based on PVC pipe inner sleeve air bag core mold | |
| CN107338803B (en) | A kind of assembly type building U-type groove basis and its construction method | |
| CN104213565A (en) | Die supporting system for large deep pit steep slope surface cushion layer and supporting die casting construction method thereof | |
| CN110421700A (en) | A kind of aerated core anti-deformation hardened system and its construction method of installation | |
| CN107945646A (en) | A kind of assembled tunnel model structure and preparation method thereof | |
| CN107627436A (en) | The production technology and production facility of concrete prefabricated element | |
| CN108222220B (en) | Construction method for connecting new sewage pipe and old sewage pipe in displacement transformation of sewage pipe | |
| CN103603337A (en) | Grouting precast pile and grouting method | |
| CN210217774U (en) | Loess tunnel supporting system | |
| CN1325829C (en) | Method for continuous casting delivery pipeline with soft gas-pocket and soft gas-pocket thereof | |
| CN105604606A (en) | Integral construction method for air bag of tunnel sewer ditch | |
| CN207327274U (en) | A kind of water channel engineering system | |
| CN206707725U (en) | A kind of Tunnel Second Lining vault backfills Grouting Pipe | |
| CN107558483B (en) | A kind of construction method of building foundation that installing wallboard | |
| CN206599776U (en) | Junction block for buried waterproof steel plate in diaphram wall | |
| CN105756100A (en) | Basement post-pouring belt system and making method thereof | |
| CN116378715A (en) | Construction method of large-span composite special-shaped straight thin intermediate wall multi-arch tunnel | |
| CN110405935A (en) | A kind of prestressed concrete waveform sheet pile and preparation method thereof | |
| CN106812132A (en) | For the junction block and its construction method of buried waterproof steel plate in diaphram wall | |
| CN107023061B (en) | Assembled plastic municipal drainage inspection well and construction method | |
| CN211113774U (en) | Assembled PC basement lateral wall post-cast strip structure |
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 | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |