CN105604606A - Integral construction method for air bag of tunnel sewer ditch - Google Patents
Integral construction method for air bag of tunnel sewer ditch Download PDFInfo
- Publication number
- CN105604606A CN105604606A CN201610045925.7A CN201610045925A CN105604606A CN 105604606 A CN105604606 A CN 105604606A CN 201610045925 A CN201610045925 A CN 201610045925A CN 105604606 A CN105604606 A CN 105604606A
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- Prior art keywords
- air bag
- bilge
- reinforcement cage
- construction method
- monolithic construction
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- 238000010276 construction Methods 0.000 title claims abstract description 43
- 230000002787 reinforcement Effects 0.000 claims abstract description 32
- 230000002093 peripheral effect Effects 0.000 claims abstract description 5
- 238000004140 cleaning Methods 0.000 claims abstract description 3
- 238000005259 measurement Methods 0.000 claims abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 28
- 239000010959 steel Substances 0.000 claims description 28
- 238000012360 testing method Methods 0.000 claims description 15
- 239000000758 substrate Substances 0.000 claims description 10
- 238000005266 casting Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 210000003205 muscle Anatomy 0.000 claims description 6
- 239000004570 mortar (masonry) Substances 0.000 claims description 5
- 238000005273 aeration Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims description 3
- 235000011613 Pinus brutia Nutrition 0.000 claims description 3
- 241000018646 Pinus brutia Species 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 2
- 240000006909 Tilia x europaea Species 0.000 claims description 2
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 2
- 239000004571 lime Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 210000004712 air sac Anatomy 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F16/00—Drainage
- E21F16/02—Drainage of tunnels
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention relates to an integral construction method for an air bag of a tunnel sewer ditch, which comprises the following steps: cleaning up a related working plane at the position of the sewer ditch, and carrying out measurement and locating; placing a reinforcement cage, wherein the reinforcement cage comprises stirrups and longitudinal bars, and the arc stirrups which are of an integrated structure are adopted at the positions close to the inside of the sewer ditch; placing the air bag in a sleeve, drawing the sleeve and the air bag onto the arc stirrups in the reinforcement cage, and after mounting the sleeve and the air bag in place, inflating the air bag; when inflating the air bag to a set degree, pulling out the sleeve, and when continuing to inflate the air bag to a preset pressure, carrying out positioning and fixing on the air bag and the reinforcement cage by utilizing a fixing part; setting up a peripheral template of the reinforcement cage, and after closing a die, pouring concrete; after initial setting of the concrete, withdrawing the exhausted air bag out of the sewer ditch, and curing the concrete.
Description
Technical field
The present invention relates to tunnel drainage ditch construction technology, be specifically related to a kind of tunnel Bilge air bag monolithic construction method.
Background technology
China is very serious because of the Highway phenomenon of highway pumping equipment imperfection or not enough initiation service life every year, and sewageDitch is as the chief component of highway drainage facility, and its construction quality directly has influence on the drainage effect of whole piece highway. Road surface dirtDitch is the important component part of Tunnel Pavement draining, can collect tunnel road surface current and discharge tunnel, can effectively ensureThe durability of tunnel traffic safety and tunnel road surface. The construction of Bilge adopts precasting yard concentration pre-casting to go forward side by side traditionally alwaysRow on-site consolidation, prefabricated, transport, installs with artificial, mechanical etc. costly easily damage in transport, installation process, workOrder is numerous and diverse, and one time precast length is shorter, and construction speed is slow, and gutter globality is poor, needs special prefabricated place, mould materialConsumption is greatly especially in super long tunnel, and traditional construction technology is very uneconomical.
The object of the invention is for overcoming above-mentioned the deficiencies in the prior art, a kind of construct rapid, the good tunnel dirt of moulding are providedDitch air bag whole construction process, air bag whole construction process mainly adopts air sac strip one-shot forming pipeline headroom, in tunnelSegmentation cast in situs construction, air bag can reuse, and greatly reduces construction costs. The construction of air bag globality can reduce ditchPercolating water, is conducive to tunnel internal drainage unobstructed, ensures the durability of road surface structare layer. This construction technology has been accelerated BilgeSpeed of application, has greatly improved production efficiency, has saved construction cost.
Summary of the invention
The object of the invention is for overcoming above-mentioned the deficiencies in the prior art, a kind of tunnel Bilge air bag monolithic construction method is provided.
In order to reach above-mentioned purpose, the present invention adopts following technical scheme:
A kind of tunnel Bilge air bag monolithic construction method, comprises the following steps:
Step 1: the relevant scope of operation of cleaning Bilge position, measure setting-out;
Step 2: lay steel reinforcement cage, described steel reinforcement cage comprises stirrup and vertical muscle, adopts one near described Bilge inside lineThe arc stirrup of structure;
Step 3: air bag is placed in sleeve pipe, by the traction of described sleeve pipe and air bag to the described arc stirrup in described steel reinforcement cage,After described sleeve pipe and air bag installation in position, described air bag is inflated;
Step 4: when described airbag aeration is to setting degree, described sleeve pipe is extracted out, continued described airbag aeration to predeterminedWhen pressure, utilize fixed part that described air bag and described steel reinforcement cage are positioned fixing;
Step 5: set up the peripheral template of steel reinforcement cage, matched moulds after-pouring concrete;
Step 6: when after described concrete initial set, the described air bag after exhaust is withdrawn to described Bilge, curing concrete.
According to the feature of air bag construction, steel reinforcement cage is designed to the version that this inner side is integral curved stirrup, on the one handCan avoid reinforcing bar to puncture and leak gas, be also conducive on the other hand the fixing of air bag and accurately locate. Utilize fixed part to incite somebody to actionAir bag and steel reinforcement cage position fixing, and can avoid casting concrete time, air bag floats or moves left and right, and makes determining of air bagPosition is more accurate, improves the construction quality of engineering. Utilize sleeve pipe that air bag is laid and put in place, air bag is played to good protection and doWith.
Wherein, in step 1, clear up the described relevant scope of operation, comprise that position substrate is cleared up to described Bilge, and rightDescribed Bilge and cable trough faying face carry out dabbing processing, clear up afterwards pine quarrel and the foreign material of described Bilge substrate, and useWater under high pressure is rinsed the described faying face after substrate and dabbing well.
In described step 1, described measurement setting-out comprises determines limes marginis position and absolute altitude control point.
In described step 2, all vertical muscle are arranged in to the outside of described arc stirrup.
Vertical muscle is arranged in to the outside of stirrup, can further guarantees the safe construction to air bag.
In described step 3, described air bag is inserted before sleeve pipe, at described gasbag outer surface smearing release agent, and to describedThe air bag test of leaking hunting, determines not abnormal gas leakage.
In described step 3, the additional length that described balloon ends exposes outside described steel reinforcement cage is 20cm-100cm.
Balloon ends protruded length is to be beneficial to the gutter of building and to be connected mutually on the one hand, the opposing party in above-mentioned number rangeFace is convenient to withdrawing from of concrete initial set rear gasbag.
In described step 4, described fixed part is in the side towards described arc stirrup, is provided with to hold described stirrupGroove, described fixing test specimen has the radian identical with described air bag with the contact-making surface of described air bag.
The fixing test specimen of this version of design, easy for installation, and can effectively play the effect that restriction air bag relatively moves.
Described fixing test specimen is prefabricated mortar specimen.
Adopt prefabricated mortar to make fixing test specimen, convenient and swift, with low cost.
In described step 4, longitudinally every the section of setting spacing, arrange some described fixing test specimens along described Bilge,Angle between the adjacent described fixing test specimen in same cross section is roughly the same.
Adopt the arrangement of above-mentioned fixing test specimen, the floating of air bag or move left and right can effectively overcome casting concrete time,Ensure construction quality.
In described step 5, the prefabricated wedge-shaped member that bottom is identical with described air bag radian is fixed on air bag top, treats coagulationSoil is built also and after initial set, described prefabricated wedge-shaped member is extracted, to form the spilled water hole of wedge shape.
In described step 5, in the time of casting concrete, vibrating spear is vibrated simultaneously and inserts described reinforcing bar along described air bag both sidesThe bottom of cage, closely knit to ensure the bottom concreting of described air bag.
The invention has the beneficial effects as follows:
(1) air bag whole construction process mainly adopts air sac strip one-shot forming pipeline headroom, segmentation cast in situs construction in tunnel,Air bag can reuse, and greatly reduces construction costs. ;
(2) air bag globality construction can reduce ditch percolating water, be conducive to tunnel internal drainage unobstructed, has ensured road surface structare layerDurability;
(3) this construction technology is simple to operate, has accelerated the speed of application of Bilge, and material consumption is few, has greatly improved productionEfficiency, has saved construction cost;
(4) the Bilge globality that air bag whole construction process is made is better, has ensured the quality of draining and the globality of structure.
Brief description of the drawings
Fig. 1 is steel reinforcement cage of the present invention and air bag erection stage structural representation;
Fig. 2 is steel reinforcement cage of the present invention and air bag erection stage schematic cross-section;
Fig. 3 is concreting stage structures schematic diagram of the present invention;
Fig. 4 is the structural representation after form removal of the present invention.
Wherein 1. steel reinforcement cages, 2. air bag, 3. sleeve, 4. mortar specimen.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail.
Embodiment:
Tunnel Bilge air bag monolithic construction method, comprising:
(1) prune job face: will clear up the substrate of Bilge position before construction, and Bilge and cable trough faying face are enteredThe processing of row dabbing, ensures the Bilge concrete of rear construction and substrate and cable cell wall bonding firmly with this, can not produce crack orCome off. By after cable trough faying face dabbing, then the pine quarrel of Bilge substrate and foreign material are cleared up, and will after dabbing, tie with water under high pressureClose face and substrate is rinsed well.
(2) lay steel reinforcement cage 1 and air bag 2: through measuring setting-out, determine Bilge position and absolute altitude control point. To tie up in advanceThe steel reinforcement cage 1 tying is accurately located, and checks steel reinforcement cage 1 wire joint and roll silk head and (cut off and roll a silk excessive portion, and willRemainder is wrapped on contiguous reinforcing bar, must not, towards internal diameter direction bending, leak gas in order to avoid puncture air bag 2). At air bag 2Coat in appearance releasing agent, to air bag 2 test of leaking hunting, not abnormal after, air bag 2 is put into a sleeve 3, peopleWork is drawn sleeve 3 and air bag 2 to steel reinforcement cage 1, by sleeve 3, air bag 2 is sent into, and can prevent that air bag 2 from being punctured by reinforcing bar.Air bag 2 two ends protruded lengths should be greater than 20cm, are beneficial to the ditch of building and are connected mutually on the one hand, are convenient on the other hand concreteWithdrawing from of initial set rear gasbag 2. After air bag 2 is in place, open tunnel inner high voltage airduct valve inflation, air bag 2 is inflated to necessarilyAfter degree, sleeve pipe is extracted out, continued afterwards inflation, until air bag 2 is inflated to authorized pressure, get final product valve-off, must notSuperpressure. Mortar specimen 4, reserved steel bar groove of test block, in the time that air bag 2 is located, is placed on air bag 2 Hes by 3 test blocksBetween stirrup, test block and air bag 2 are adjacent to, and the angle between adjacent test block is 120 ° of left and right, and ensure as far as possible same disconnectedFace (every 1m establishes 1 section), is fixed the air bag in steel reinforcement cage 12 with this, with overcome casting concrete time floating orMove left and right.
(3) matched moulds casting concrete:
According to the control point of measuring setting-out, accurately locate and erect the peripheral template of steel reinforcement cage 1. After matched moulds, externally boxing plate carries outReinforce, while preventing concreting, run mould. Artificial hand-held small-sized vibrating spear vibrates, and while vibrating, vibrating spear will be along 2 liang, air bagSide is vibrated simultaneously and is inserted steel reinforcement cage 1 bottom, closely knit to ensure air bag 2 bottom concretings, and prevents that air bag 2 left and right from movingMoving, after building, manually to the processing of wiping one's face of ditch concrete. Catch-basin is one group every 50m, should be according to when constructionDesigning requirement is reserved. Before casting concrete, the cementing air bag that is fixed on of prefabricated wedge shape stopper by bottom and air bag 2 with radian2 tops, note not making it to come off while building, after concreting initial set, extract, and can form the spilled water hole of wedge shape.
(4) withdraw from air bag and curing concrete
After concrete initial set, turn on air bag 2 venting plugs, after draining gas, manually air bag 2 is slowly hauled out, must not exert oneselfToo quickly, prevent that air bag 2 from destroying Bilge internal-wall concrete structure, can be by peripheral form removable in the time that concrete strength reaches requirement,Generally with not sticking to mould and glossy being advisable of concrete surface. If find voids and pits after form removal and reveal muscle, should repair in time,The maintenance of simultaneously will sprinkling water.
Lay in steel reinforcement cage 1 and air bag 2 steps, consistent, necessary for ensureing the central axis of the inner cylindrical cavity of adjacent segment BilgeMake air bag 2 precise positionings. First to ensure the accuracy that Bilge steel reinforcement cage 1 is processed, secondly air bag 2 is inflated to regulation and pressPower, then it is adjusted, located and reinforces.
Withdrawing from air bag 2 and curing concrete step, hold the best opportunity that air bag 2 is withdrawn from, is to control wanting of Bilge qualityOne of point. The Withdrawal Hour of air bag 2 should be after concrete initial set, concrete initial set basis of time practice of construction situation and determining. GasThe Withdrawal Hour of capsule 2 is too early, can cause Bilge internal-wall concrete to come off; Withdrawal Hour is excessively late, and 2, concrete and air bag are stickyBe connected together, be difficult to withdraw from.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention. To implementingThe multiple amendment of example will be apparent for those skilled in the art, and General Principle as defined herein is passableIn the situation that not departing from the spirit or scope of the present invention, realize in other embodiments, the part being described in detail, forPrior art, does not repeat at this. Therefore, the present invention will can not be restricted to these embodiment shown in this article, but wantMeet the widest scope consistent with principle disclosed herein and feature.
Claims (10)
1. a tunnel Bilge air bag monolithic construction method, is characterized in that, comprises the following steps:
Step 1: the relevant scope of operation of cleaning Bilge position, measure setting-out;
Step 2: lay steel reinforcement cage, described steel reinforcement cage comprises stirrup and vertical muscle, adopts one near described Bilge inside lineThe arc stirrup of structure;
Step 3: air bag is placed in sleeve pipe, by the traction of described sleeve pipe and air bag to the described arc stirrup in described steel reinforcement cage,After described sleeve pipe and air bag installation in position, described air bag is inflated;
Step 4: when described airbag aeration is to setting degree, described sleeve pipe is extracted out, continued described airbag aeration to predeterminedWhen pressure, utilize fixed part that described air bag and described steel reinforcement cage are positioned fixing;
Step 5: set up the peripheral template of steel reinforcement cage, matched moulds after-pouring concrete;
Step 6: when after described concrete initial set, the described air bag after exhaust is withdrawn to described Bilge, curing concrete.
2. a kind of tunnel according to claim 1 Bilge air bag monolithic construction method, is characterized in that: described stepIn 1, clear up the described relevant scope of operation, comprise that position substrate is cleared up to described Bilge, and to described Bilge and cableGroove faying face carries out dabbing processing, clears up afterwards pine quarrel and the foreign material of described Bilge substrate, and with water under high pressure by substrate and cutterDescribed faying face after hair is rinsed well;
Described measurement setting-out comprises determines limes marginis position and absolute altitude control point.
3. a kind of tunnel according to claim 1 Bilge air bag monolithic construction method, is characterized in that: described stepIn 2, all vertical muscle are arranged in to the outside of described arc stirrup.
4. a kind of tunnel according to claim 1 Bilge air bag monolithic construction method, is characterized in that: described stepIn 3, described air bag is inserted before sleeve pipe, at described gasbag outer surface smearing release agent, and to the examination of leaking hunting of described air bagTest, determine not abnormal gas leakage.
5. a kind of tunnel according to claim 1 Bilge air bag monolithic construction method, is characterized in that: described stepIn 3, the additional length that described balloon ends exposes outside described steel reinforcement cage is 20cm-100cm.
6. a kind of tunnel according to claim 1 Bilge air bag monolithic construction method, is characterized in that: described stepIn 4, described fixed part, in the side towards described arc stirrup, is provided with to hold the groove of described stirrup, described fixingTest specimen has the radian identical with described air bag with the contact-making surface of described air bag.
7. a kind of tunnel according to claim 6 Bilge air bag monolithic construction method, is characterized in that: described fixingTest specimen is prefabricated mortar specimen.
8. according to the arbitrary described a kind of tunnel Bilge air bag monolithic construction method of claim 1-7, it is characterized in that: instituteState in step 4, longitudinally every the section of setting spacing, arrange some described fixing test specimens, same section along described BilgeAngle between the adjacent described fixing test specimen of face is roughly the same.
9. a kind of tunnel according to claim 1 Bilge air bag monolithic construction method, is characterized in that: described stepIn 5, the prefabricated wedge-shaped member that bottom is identical with described air bag radian is fixed on air bag top, after concreting initial setDescribed prefabricated wedge-shaped member is extracted, to form the spilled water hole of wedge shape.
10. a kind of tunnel according to claim 1 Bilge air bag monolithic construction method, is characterized in that: described stepIn rapid 5, in the time of casting concrete, the bottom that vibrating spear is vibrated simultaneously and inserts described steel reinforcement cage along described air bag both sides,Closely knit to ensure the bottom concreting of described air bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610045925.7A CN105604606A (en) | 2016-01-22 | 2016-01-22 | Integral construction method for air bag of tunnel sewer ditch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610045925.7A CN105604606A (en) | 2016-01-22 | 2016-01-22 | Integral construction method for air bag of tunnel sewer ditch |
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| Publication Number | Publication Date |
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| CN105604606A true CN105604606A (en) | 2016-05-25 |
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| CN201610045925.7A Pending CN105604606A (en) | 2016-01-22 | 2016-01-22 | Integral construction method for air bag of tunnel sewer ditch |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106223544A (en) * | 2016-07-29 | 2016-12-14 | 华南理工大学 | A kind of ultra-high performance concrete post permanent template and preparation method thereof |
| CN108547321A (en) * | 2018-07-10 | 2018-09-18 | 赵雅琴 | Underground pipe gallery cures forming devices |
| CN111473160A (en) * | 2020-05-21 | 2020-07-31 | 浙江世润建创科技发展有限公司 | Mounting structure and construction method for emptying pipe at bottom of pool |
| CN113059660A (en) * | 2021-03-23 | 2021-07-02 | 青岛青建理工建筑工业化研究院有限公司 | Laminated plate mold and using method |
| CN113216466A (en) * | 2021-05-07 | 2021-08-06 | 中铁十一局集团第二工程有限公司 | Hollow outer wall construction method |
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- 2016-01-22 CN CN201610045925.7A patent/CN105604606A/en active Pending
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| KR100593786B1 (en) * | 2005-09-30 | 2006-06-28 | 주식회사 바우 컨설탄트 | The construction of waterway for tunnel |
| CN104975877A (en) * | 2015-07-08 | 2015-10-14 | 甘肃路桥建设集团有限公司 | Portal external road surface water blocking and discharging system with tunnel portal in downslope direction and manufacturing method for same |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106223544A (en) * | 2016-07-29 | 2016-12-14 | 华南理工大学 | A kind of ultra-high performance concrete post permanent template and preparation method thereof |
| CN106223544B (en) * | 2016-07-29 | 2019-04-09 | 华南理工大学 | A kind of ultra-high performance concrete column permanent template and preparation method thereof |
| CN108547321A (en) * | 2018-07-10 | 2018-09-18 | 赵雅琴 | Underground pipe gallery cures forming devices |
| CN111473160A (en) * | 2020-05-21 | 2020-07-31 | 浙江世润建创科技发展有限公司 | Mounting structure and construction method for emptying pipe at bottom of pool |
| CN111473160B (en) * | 2020-05-21 | 2021-08-20 | 浙江世润建创科技发展有限公司 | Mounting structure and construction method for emptying pipe at bottom of pool |
| CN113059660A (en) * | 2021-03-23 | 2021-07-02 | 青岛青建理工建筑工业化研究院有限公司 | Laminated plate mold and using method |
| CN113059660B (en) * | 2021-03-23 | 2022-08-02 | 青岛青建理工建筑工业化研究院有限公司 | Laminated plate mold and using method |
| CN113216466A (en) * | 2021-05-07 | 2021-08-06 | 中铁十一局集团第二工程有限公司 | Hollow outer wall construction method |
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Application publication date: 20160525 |
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