CN107142965A - A kind of porous preforming box culvert construct method run above metro shield interval structure - Google Patents
A kind of porous preforming box culvert construct method run above metro shield interval structure Download PDFInfo
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- CN107142965A CN107142965A CN201710441870.6A CN201710441870A CN107142965A CN 107142965 A CN107142965 A CN 107142965A CN 201710441870 A CN201710441870 A CN 201710441870A CN 107142965 A CN107142965 A CN 107142965A
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- box culvert
- bed course
- shield interval
- metro shield
- assembled
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- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000012544 monitoring process Methods 0.000 claims abstract description 25
- 238000010276 construction Methods 0.000 claims abstract description 24
- 238000009412 basement excavation Methods 0.000 claims abstract description 10
- 238000006073 displacement reaction Methods 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000005259 measurement Methods 0.000 claims description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 4
- 239000004576 sand Substances 0.000 claims description 4
- 238000004078 waterproofing Methods 0.000 claims description 4
- 208000002925 dental caries Diseases 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 2
- 238000011065 in-situ storage Methods 0.000 abstract description 5
- 238000007667 floating Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Classifications
-
- 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
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
- E02D29/05—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them at least part of the cross-section being constructed in an open excavation or from the ground surface, e.g. assembled in a trench
Abstract
The invention discloses a kind of porous preforming box culvert construct method run above metro shield interval structure, mainly poured including prefabricated box culvert, prefabricated place, excavation pit, bed course, box culvert is assembled, continue the steps such as construction, railway monitoring.The invention provides a kind of porous preforming box culvert construct method run above metro shield interval structure, this method is divided into prefabricated in field and two stages of assembled in situ, assembled in situ process perform " subregion, layering, piecemeal, in limited time " " tau-effect " principle, slitting block is excavated, box culvert is lifted with construction cushion coat and as early as possible with digging, and load in time, influence of the whole work process to the track structure of lower section is smaller, and can be prevented effectively from track floating and deform.
Description
Technical field
The present invention relates to urban rail transit construction field, more particularly to it is a kind of run above metro shield interval structure it is many
Hole prefabricated box culvert construction method.
Background technology
In recent years, developing rapidly with urban track traffic, civilian infrastructure along subway also synchronization implementation.So
And in urban road construction, inevitable side in orbit carries out structure construction, some units are blindly carried out due to lacking experience
Excavation of foundation pit and supporting, cause shield duct piece to deform, quality accident occur, the strong influence safe operation in city and
Live civic.Every year because the case that the construction of Municipal construction of underground structure causes metro shield to be destroyed is up to
Hundred, the direct economic loss caused is up to more than one hundred million members.
The foundation ditches such as the current interval upper run of metro shield mainly use cast-in-place box culvert construct, and prolonged foundation ditch exposes meeting
Cause track to float, damage.To change the status quo in industry, propose using a point construction method for the cast-in-place box culvert in hole, although
Construction risk can be reduced to a certain extent, but the engineering time is long, construction speed is slower.So new construction must be used
Method, thoroughly solves the problems, such as above two, thus the present invention have developed it is porous above a kind of operation metro shield interval structure
Prefabricated box culvert construction method, greatly shortens the engineering time, while by TM30 robot measurements to track structure after the completion of construction
It is monitored, operating efficiency is further enhanced, through retrieval, does not find and same or analogous technical scheme of the invention.
The content of the invention
In order to overcome the above-mentioned deficiencies of the prior art, above the invention provides a kind of operation metro shield interval structure
Porous preforming box culvert construct method, with solve in the prior art engineering time length, low construction efficiency the problem of.
To reach above-mentioned purpose, the technical solution adopted for the present invention to solve the technical problems is：
A kind of porous preforming box culvert construct method run above metro shield interval structure, it is characterised in that：The construction party
Method is specific as follows：
（1）Prefabricated box culvert：The box culvert includes some assembled single storehouse casings, single storehouse casing poured by mould and
Into being internally provided with framework of steel reinforcement, overall is in the rectangular parallelepiped structure of both ends open, and opening-like two side ends surface side side has respectively
There are some cavitys and some projections with the cavity nested arrangements of adjacent single storehouse casing side, upper surface is provided with some hangers；
（2）Prefabricated place：The place is in above metro shield interval structure, determines elaborate position, and set on the ground
Obvious mark；Then a pair of concrete pedestals are poured in place side, the concrete pedestal is set along place short-axis direction,
Upper end sets up a Bridge Erector；
（3）Excavation pit：The excavation of foundation ditch is carried out from place side, excavation direction is vertical with metro shield interval line position direction,
And the foundation ditch placed for the single storehouse casing of a row along place short-axis direction is only excavated every time, and the earthwork dug out is transported in time；
（4）Bed course is poured：The absolute altitude and geological condition for the foundation ditch substrate excavated are checked, is then pumped using long-armed automotive pump
Pour bed course, and at four drift angles of every piece of bed course and prefabricated C30 concrete pads are laid in center；Bed course final set
The absolute altitude and flatness of mat surface are checked afterwards, it is ensured that flatness is within ± 2mm；
（5）Box culvert is assembled：The position line for setting single storehouse casing to place in bed course upper end, then assembles Bridge Erector and is debugged,
Bridge Erector completes to lift single storehouse casing after checking and accepting and is slowly placed on both sides in bed course upper end, placement process to pass through pull rope adjustment single
The direction of storehouse casing makes it finally be alignd with position line, lifts sandbag counterweight after the completion of placement on single storehouse casing；
（6）Continue to construct：Repeat step（3）（4）（5）Until box culvert assembly is completed, adjacent single storehouse casing is ensured during assembly
On cavity and projection it is mutually nested coordinate, and can smoothly align, if needing horizontal trim locations, be carried out using jack horizontal
It is adjusted in place；
（7）Railway monitoring：Deformation monitoring, prison are carried out to the track structure in lower section metro shield interval after the completion of box culvert is assembled
Scope is surveyed along each extension 30m, vertical displacement, level by TM30 robot measurements to track structure before and after box culvert setting area
Displacement and railway roadbed vertical displacement are monitored, it is ensured that without exception, you can foundation ditch is backfilled.
Further, the step（3）（4）（5）Deadline control within 12h, the step（4）Bed course into
The time control of type is within 5h.
Further, the step（4）In can also use prefabricated bed course method, every piece of bed course side pre-embedded steel slab, and
The fissure of displacement sets assembled, is fixed when assembled by welding the steel plate of side.
Further, the step（5）Carrying out filleting waterproof closure adjacent single storehouse casing after the completion of middle lifting, and it is right
Single storehouse casing surfaces externally and internally carries out water-proofing treatment.
Further, the step（5）It is middle assembled preceding in the yellow sand that bed course upper surface laying depth is 8~12mm.
Further, the step（7）In main 5 points of progress fixed point prisons on the same toroid in track structure
Survey, the main Vault settlement monitoring including upper end, the horizontal displacement monitoring of middle part both sides, the Roadbed subsidence monitoring of lower end both sides,
Simultaneously 5 ~ 8m is set between the adjacent monitoring point in orbiting direction.
Due to the utilization of above-mentioned technical proposal, the present invention has following beneficial effect compared with prior art：
（1）The invention provides a kind of porous preforming box culvert construct method run above metro shield interval structure, this method
Be divided into prefabricated and two stages of assembled in situ in field, assembled in situ process perform " subregion, layering, piecemeal, in limited time " " space-time is imitated
Should " principle, slitting block excavated, and box culvert is lifted with construction cushion coat and as early as possible with digging, and load in time, whole work process pair
The influence of the track structure of lower section is smaller, and can be prevented effectively from track floating and deform.
（2）Piecemeal excavates, poured the time control of bed course and lifting within 12h, wherein the time control of bed course shaping
Within 5h, strictly shorten and control the engineering time, it is to avoid the engineering time is long to cause track to float.
（3）The method that bed course can not only use cast in situs, can also use prefabricated method, and this method is outstanding on rainy day
It is applicable, while ensure that speed of application.
（4）Carrying out filleting waterproof closure adjacent single storehouse casing after the completion of lifting, and single storehouse casing surfaces externally and internally is entered
Row water-proofing treatment, is effectively ensured construction quality.
（5）It is both locally levelling for bed course and sharp in the yellow sand that bed course upper surface laying depth is 8~12mm before assembled
The frictional force of bottom can be reduced when single storehouse casing is aligning translation.
（6）Need to be monitored track structure below after the completion of box culvert is assembled, construction monitoring is to ensure pipeline construction
Itself and rail traffic structure safety, control bottom surface are settled, it is ensured that normally made without coverage inner orbit structure and underground utilities
Necessary condition；The monitoring, which is mainly, judges whether track structure deforms, and needs to take immediate steps if deforming
Ensure that engineering is smoothed out, if monitoring it is qualified it is without exception foundation ditch can be backfilled, construct and be basically completed.
Brief description of the drawings
Fig. 1 is the box culvert of the present invention plane relation figure interval with metro shield.
Fig. 2 is box culvert splicing structure schematic diagram of the present invention.
Fig. 3 is the structural representation of single storehouse casing of the present invention.
Fig. 4 is track structure monitoring section layout diagram of the present invention.
1, track structure in figure, 2, box culvert, 3, concrete pedestal, 4, Bridge Erector, 5, foundation ditch, 6, single storehouse casing, 7, bed course,
8th, cavity, 9, projection, 10, hanger.
Embodiment
With reference to specific embodiment, present disclosure is described in further detail：
Embodiment 1
As Figure 1-4, a kind of porous preforming box culvert construct method run above metro shield interval structure, its feature exists
In：The construction method is specific as follows：
（1）Prefabricated box culvert 2：Box culvert 2 includes 5*10 assembled single storehouse casings 6, and overall dimensions are 20m*40m, single storehouse
Casing 6 is poured by mould to be formed, and is internally provided with framework of steel reinforcement, overall is in the rectangular parallelepiped structure of both ends open, opening-like
Two side ends surface side side there are some cavitys 8 and some projections being nested with the cavity 8 of adjacent single side of storehouse casing 6 respectively
9, upper surface is provided with some hangers 10；
（2）Prefabricated place：The present embodiment is chosen place and is in above metro shield interval structure, and ground elevation is 2.3m, track
A height of -8.8m ~-the 9.39m of the top mark of structure 1, the bottom absolute altitude of the box culvert 2 of pre-placing is -1.78m；Determine the essence of the box culvert 2 of pre-placing
Level is put, and sets obvious mark on the ground；Then a pair of concrete pedestals 3, concrete pedestal 3 are poured in place side
Set along place short-axis direction, the distance apart from place side is 5 ~ 6m, upper end sets up a Bridge Erector 4；
（3）Excavation pit 5：The excavation of foundation ditch 5 is carried out from place side, direction is excavated and is hung down with metro shield interval line position direction
Directly, and the foundation ditch 5 placed for five single storehouse casings 6 is only excavated every time, and the earthwork dug out is transported in time；
（4）Bed course 7 is poured：The absolute altitude and geological condition for the substrate of foundation ditch 5 excavated are checked, then using long-armed automotive pump pump
Send and pour bed course, the pump truck erect-position diatom position top that leaves the right or normal track is more than 5m, while at four drift angles of every piece of bed course 7 and center
Lay prefabricated C30 concrete pads；The absolute altitude and flatness on the surface of bed course 7 are checked after the final set of bed course 7, it is ensured that flatness exists
Within ± 2mm；
（5）Box culvert 2 is assembled：The position line for setting single storehouse casing 6 to place in the upper end of bed course 7, and in the upper surface laying depth of bed course 7
For 8~12mm yellow sand, then assemble Bridge Erector 4 and debugged, it is slow that Bridge Erector 4 completes the single storehouse casing 6 of lifting after checking and accepting
Be placed on the direction that both sides in the upper end of bed course 7, placement process adjust single storehouse casing 6 by pull rope make its finally with position line pair
Together, sandbag counterweight is lifted after the completion of placement on single storehouse casing 6, while carrying out filleting waterproof closure adjacent single storehouse casing 6,
And water-proofing treatment is carried out to single surfaces externally and internally of storehouse casing 6；
（6）Continue to construct：First ensure that step（3）（4）（5）Deadline control within 12h, step（4）Bed course 7 into
The time control of type is within 5h；Then repeat step（3）（4）（5）Completed until box culvert 2 is assembled, phase is ensured during assembly
Cavity 8 and the mutually nested cooperation of projection 9 on adjacent list storehouse casing 6, and can smoothly align, if needing horizontal trim locations, utilize
Jack is laterally adjusted in place；
（7）Railway monitoring：Deformation monitoring is carried out to the track structure 1 in lower section metro shield interval after the completion of the assembly of box culvert 2,
Monitoring range passes through same toroid of the TM30 robot measurements to track structure along each extension 30m before and after the setting area of box culvert 2
On 5 points of progress fixed point monitorings, including the Vault settlement monitoring of upper end, the horizontal displacement monitoring of middle part both sides, lower end both sides
Roadbed subsidence is monitored, while being set to 5 ~ 8m between the adjacent monitoring point in orbiting direction, it is ensured that without exception, i.e.,
Foundation ditch can be backfilled.
Embodiment 2
The present embodiment and unique difference of embodiment 1 are：Step（4）In can use prefabricated bed course method, every piece of bed course
Side pre-embedded steel slab, and the fissure of displacement sets assembled, is fixed when assembled by welding the steel plate of side, the method is at rainy day
It is very applicable, it equally ensure that efficiency of construction；The method that can be also combined simultaneously using prefabricated bed course with cast-in-place bed course, enters one
Step improves construction speed, reduces the influence to lower track structure.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar can understand present disclosure and be carried out, and it is not intended to limit the scope of the present invention, all according to the present invention
The equivalent change or modification that Spirit Essence is made, should all cover within the scope of the present invention.
Claims (6)
1. a kind of porous preforming box culvert construct method run above metro shield interval structure, it is characterised in that：The construction
Method is specific as follows：
（1）Prefabricated box culvert：The box culvert includes some assembled single storehouse casings, single storehouse casing poured by mould and
Into being internally provided with framework of steel reinforcement, overall is in the rectangular parallelepiped structure of both ends open, and opening-like two side ends surface side side has respectively
There are some cavitys and some projections with the cavity nested arrangements of adjacent single storehouse casing side, upper surface is provided with some hangers；
（2）Prefabricated place：The place is in above metro shield interval structure, determines elaborate position, and set on the ground
Obvious mark；Then a pair of concrete pedestals are poured in place side, the concrete pedestal is set along place short-axis direction,
Upper end sets up a Bridge Erector；
（3）Excavation pit：The excavation of foundation ditch is carried out from place side, excavation direction is vertical with metro shield interval line position direction,
And the foundation ditch placed for the single storehouse casing of a row along place short-axis direction is only excavated every time, and the earthwork dug out is transported in time；
（4）Bed course is poured：The absolute altitude and geological condition for the foundation ditch substrate excavated are checked, is then pumped using long-armed automotive pump
Pour bed course, and at four drift angles of every piece of bed course and prefabricated C30 concrete pads are laid in center；Bed course final set
The absolute altitude and flatness of mat surface are checked afterwards, it is ensured that flatness is within ± 2mm；
（5）Box culvert is assembled：The position line for setting single storehouse casing to place in bed course upper end, then assembles Bridge Erector and is debugged,
Bridge Erector completes to lift single storehouse casing after checking and accepting and is slowly placed on both sides in bed course upper end, placement process to pass through pull rope adjustment single
The direction of storehouse casing makes it finally be alignd with position line, lifts sandbag counterweight after the completion of placement on single storehouse casing；
（6）Continue to construct：Repeat step（3）（4）（5）Until box culvert assembly is completed, adjacent single storehouse casing is ensured during assembly
On cavity and projection it is mutually nested coordinate, and can smoothly align, if needing horizontal trim locations, be carried out using jack horizontal
It is adjusted in place；
（7）Railway monitoring：Deformation monitoring, prison are carried out to the track structure in lower section metro shield interval after the completion of box culvert is assembled
Scope is surveyed along each extension 30m, vertical displacement, level by TM30 robot measurements to track structure before and after box culvert setting area
Displacement and railway roadbed vertical displacement are monitored, it is ensured that without exception, you can foundation ditch is backfilled.
2. a kind of porous preforming box culvert construct method run above metro shield interval structure according to claim 1,
It is characterized in that：The step（3）（4）（5）Deadline control within 12h, the step（4）Bed course shaping when
Between control within 5h.
3. a kind of porous preforming box culvert construct method run above metro shield interval structure according to claim 1,
It is characterized in that：The step（4）In can also use prefabricated bed course method, every piece of bed course side pre-embedded steel slab, and the fissure of displacement sets
Assembly is put, is fixed when assembled by welding the steel plate of side.
4. a kind of porous preforming box culvert construct method run above metro shield interval structure according to claim 1,
It is characterized in that：The step（5）Carrying out filleting waterproof closure adjacent single storehouse casing after the completion of middle lifting, and to single storehouse case
Internal outer surface carries out water-proofing treatment.
5. a kind of porous preforming box culvert construct method run above metro shield interval structure according to claim 1,
It is characterized in that：The step（5）It is middle assembled preceding in the yellow sand that bed course upper surface laying depth is 8~12mm.
6. a kind of porous preforming box culvert construct method run above metro shield interval structure according to claim 1,
It is characterized in that：The step（7）In main 5 points of progress fixed point monitorings on the same toroid in track structure, mainly
The Roadbed subsidence monitoring of Vault settlement monitoring, the horizontal displacement monitoring of middle part both sides, lower end both sides including upper end, while along rail
5 ~ 8m is set between the adjacent monitoring point of road traffic direction.
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| CN201710441870.6A CN107142965B (en) | 2017-06-13 | 2017-06-13 | A kind of porous preforming box culvert construct method run above metro shield interval structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108951439A (en) * | 2018-07-17 | 2018-12-07 | 中国水利水电第五工程局有限公司 | A kind of prefabricated assembled box culvert construction of waterproof layer method |
| CN109537482A (en) * | 2018-12-30 | 2019-03-29 | 中铁十四局集团有限公司 | The installation method of side box culvert |
| CN109607384A (en) * | 2019-02-20 | 2019-04-12 | 中铁隧道局集团有限公司 | The turn-over method of super-large-diameter shield machine knife disk |
| CN111910731A (en) * | 2020-08-13 | 2020-11-10 | 福建荣冠环境建设集团有限公司 | Construction method of urban drainage underground culvert sinking groove |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20206800U1 (en) * | 2002-04-29 | 2002-08-22 | Laistner Hermann | Infrastructure Channel |
| KR100872197B1 (en) * | 2007-03-28 | 2008-12-09 | 이정오 | Prefabricated precast concrete box culvert |
| CN104018436A (en) * | 2014-05-07 | 2014-09-03 | 四川华西绿舍建材有限公司 | Prefabricated box culvert system and installation method thereof |
| CN105421489A (en) * | 2015-11-11 | 2016-03-23 | 东南大学 | Mortise type prefabricated comprehensive pipe gallery longitudinal connector |
| CN105696622A (en) * | 2016-01-18 | 2016-06-22 | 中国铁建大桥工程局集团有限公司 | Prefabricated urban pipe gallery and construction method thereof |
-
2017
- 2017-06-13 CN CN201710441870.6A patent/CN107142965B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20206800U1 (en) * | 2002-04-29 | 2002-08-22 | Laistner Hermann | Infrastructure Channel |
| KR100872197B1 (en) * | 2007-03-28 | 2008-12-09 | 이정오 | Prefabricated precast concrete box culvert |
| CN104018436A (en) * | 2014-05-07 | 2014-09-03 | 四川华西绿舍建材有限公司 | Prefabricated box culvert system and installation method thereof |
| CN105421489A (en) * | 2015-11-11 | 2016-03-23 | 东南大学 | Mortise type prefabricated comprehensive pipe gallery longitudinal connector |
| CN105696622A (en) * | 2016-01-18 | 2016-06-22 | 中国铁建大桥工程局集团有限公司 | Prefabricated urban pipe gallery and construction method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108951439A (en) * | 2018-07-17 | 2018-12-07 | 中国水利水电第五工程局有限公司 | A kind of prefabricated assembled box culvert construction of waterproof layer method |
| CN109537482A (en) * | 2018-12-30 | 2019-03-29 | 中铁十四局集团有限公司 | The installation method of side box culvert |
| CN109607384A (en) * | 2019-02-20 | 2019-04-12 | 中铁隧道局集团有限公司 | The turn-over method of super-large-diameter shield machine knife disk |
| CN111910731A (en) * | 2020-08-13 | 2020-11-10 | 福建荣冠环境建设集团有限公司 | Construction method of urban drainage underground culvert sinking groove |
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| Publication number | Publication date |
|---|---|
| CN107142965B (en) | 2019-08-23 |
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Address after: No. 188 Linjiatan Road, Guoxiang Town, Wuzhong District, Suzhou City, Jiangsu Province, 215124 Patentee after: Zhongyifeng (Suzhou) Urban Construction and Development Co.,Ltd. Address before: No. 188 Linjiatan Road, Guoxiang Town, Wuzhong District, Suzhou City, Jiangsu Province, 215124 Patentee before: SUZHOU ZHONGHENGTONG ROAD AND BRIDGE GROUP Co.,Ltd. |