CN104652279A - Box culvert advancing construction method for building new frame bridge above existing subway structure - Google Patents
Box culvert advancing construction method for building new frame bridge above existing subway structure Download PDFInfo
- Publication number
- CN104652279A CN104652279A CN201310602973.8A CN201310602973A CN104652279A CN 104652279 A CN104652279 A CN 104652279A CN 201310602973 A CN201310602973 A CN 201310602973A CN 104652279 A CN104652279 A CN 104652279A
- Authority
- CN
- China
- Prior art keywords
- box culvert
- jacking
- frame bridge
- weight
- subway
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention discloses a box culvert advancing construction method for building a new frame bridge above an existing subway structure. The box culvert advancing construction method for building the new frame bridge above the existing subway structure includes: excavating a thrust pit in one side of a position above the existing subway structure, where the frame bridge is to be built; prefabricating a box culvert in the thrust pit, adding a balancer at the bottom of the interior of the box culvert, and guaranteeing that the sum of the weight of the balancer and the weight of the box culvert is equal to the weight of a soil mass which is excavated out; advancing the box culvert; after advancing the box culvert in place, simultaneously dismantling the balancer and constructing an accessory structure, guaranteeing that the weight of the dismantled balancer is equal to the weight of the constructed accessory structure, and then completing construction of the frame bridge. The box culvert advancing construction method for building the new frame bridge above the existing subway structure controls floating deformation of the existing subway structure through a box culvert advancing method achieved by adding the balancer during the process of constructing the new frame bridge above the existing subway structure, adopts the mode of adding the balancer during the box culvert advancing process, uses the weight of the balancer and the weight of the box culvert to make up the weight of the soil mass which is excavated out, and thereby prevents a soil body below the frame bridge from collapsing, controls deformation amount of the existing subway structure, reduces influences of construction on existing subway line running, and guarantees safe subway running.
Description
Technical field
The present invention relates to when one builds frame bridge above operated subway circuit and utilize box culvert jacking construction, control the construction method of structure of the subway floating distortion, belong to underground engineering field.
Background technology
Along with the extensive development of urban track traffic and the development construction of urban operating mechanism, the engineering that current urban road and Box-shaped Drainage Culvert etc. and operated subway crossing elimination are worn gets more and more, in these engineerings, the overwhelming majority adopts box culvert open-cut method easily, but inevitably disturbance is produced to surrounding soil during construction, make the below soil body produce rebound deformation, and then operating line malformation can be driven, can train running speed be affected, even jeopardize the security of operation of train.
Specifically, at present, above existing subway line, build the measure of box culvert many employings open-cut grouting and reinforcing, although this Technical comparing is ripe, construction is simple, has compliance more widely in underground construction, but for track traffic, there is certain problem in it:
First, along with the web development of rail line, passenger flow has and increases, Train Interval has shortening, especially at heavy traffic or the route higher to Operational requirements, build train speed limit that box culvert may cause in open-cut process or stop transport and will produce larger impact to track traffic.
Second, open-cut can cause the unloading of the below soil body at excavation of foundation pit, and then can make the below soil body that distortion of floating occurs, and this distortion is generally uncontrollable, and the track structure of track traffic need keep higher ride comfort, with the requirement of the safety of satisfied driving and comfortableness.
As can be seen here, work out that a kind of can to reduce construction be to greatest extent current urgent problem to the reasonable construction method of existing subway line Influence to operation.
Summary of the invention
The object of the present invention is to provide on a kind of newly-built frame bridge and wear existing structure of the subway box culvert jacking construction method, the method is utilizing in box culvert advancing process, adopt the form increasing counterweight, the weight excavating the soil body is made up by the weight of counterweight and box culvert, make the soil body below it that unloading effect not occur, thus control the floating deflection of structure of the subway, reduce the impact of constructing and existing subway line operation being produced to greatest extent, the safety of train operation and stationarity are guaranteed.
To achieve these goals, present invention employs following technical scheme:
A kind of newly-built frame bridge wears existing structure of the subway box culvert jacking construction method, and it is characterized in that, it comprises the steps: step one: the side of planning to build frame bridge position above existing structure of the subway, excavation jacking working pit; Step 2: prefabricated box culvert in this jacking working pit, counterweight is set up in the bottom in this box culvert, and the weight sum of the weight of this counterweight and this box culvert equals the soil body weight excavated, to make up the weight of losing the soil body in excavation jacking working pit process; Step 3: this box culvert of jacking, wherein: in the process of this box culvert of jacking, digs the soil body in jacking direction gradually, to complete box culvert advancing operation; Step 4: after this box culvert advancing puts in place, while remove this counterweight, while perform accessory structure, this counterweight of removing is equal in weight with this accessory structure performed, this accessory structure is made to substitute this counterweight, ensure that the existing structure of the subway periphery soil body keeps balancing of stresses, complete the construction of newly-built frame bridge above existing structure of the subway.
Described counterweight is steel ingot or concrete slab.
The end face that is subject to along described box culvert installs steel plate, can arrange steel mesh reinforcement, be banded in by this steel mesh reinforcement on the reinforcing bar of described concrete slab between this steel plate and described box culvert.
Before the described step 3 of execution, calculate the top journey of box culvert described in maximum top power and jacking that box culvert described in jacking allows.
If described box culvert size is comparatively large, then described box culvert prefabricate merogenesis jacking.
Advantage of the present invention is:
The present invention adopts the box culvert advancing mode of setting up counterweight to control a kind of construction method of structure of the subway floating distortion in the process of newly-built frame bridge above existing structure of the subway, compared with traditional open-cut, the inventive method is utilizing in box culvert advancing process, adopt the form increasing counterweight, the weight excavating the soil body is made up by the weight of counterweight and box culvert, make the below soil body that unloading effect not occur, thus control the deflection of structure of the subway, reduce the impact of constructing and existing subway line operation being produced to greatest extent, the safety of train operation and stationarity are guaranteed.Rephrase the statement, the present invention is a kind of box culvert jacking construction method, but they are different from traditional box culvert jacking construction method, the present invention adds counterweight on the basis of traditional box culvert jacking construction method, the soil body weight excavating is made up by the weight of counterweight and box culvert, serve the effect suppressing below soil body floating distortion, take full advantage of the principle of balancing of stresses.
Compared with traditional open-cut, the present invention can not have any impact to train operation in work progress, and train is without speed limit or stoppage in transit.
The present invention can be widely used in road or other urban operating mechanism is built in the construction of box culvert being worn operated subway circuit, effectively can ensure the safety of existing subway line, reduce the impact of constructing and existing subway line being runed, be particularly useful for runing busier or higher to track malformation requirement location, good economic benefit and social benefit can be produced.
Accompanying drawing explanation
Fig. 1 is implementing procedure figure of the present invention.
Fig. 2 is box culvert advancing schematic diagram.
Fig. 3 looks from the side of Fig. 2, frame bridge constructed after accessory structure example key diagram.
Detailed description of the invention
As shown in Figure 1, the newly-built frame bridge of the present invention is worn existing structure of the subway box culvert jacking construction method to comprise the steps:
Step one: the side of planning to build frame bridge position above existing structure of the subway, excavation jacking working pit;
Step 2: prefabricated box culvert in this jacking working pit, counterweight is set up in bottom in this box culvert, the weight sum of the weight of this counterweight and this box culvert equals the soil body weight (referring to the soil body gross weight excavated in whole work progress) excavated, to make up the weight of losing the soil body in excavation jacking working pit process;
Step 3: this box culvert of jacking, wherein: in the process of this box culvert of jacking, dig the soil body of jacking direction (referring to the direction of crest enters box culvert) gradually, namely excavation front, the limit jacking limit soil body, forbids to backbreak, to complete box culvert advancing operation;
Step 4: after this box culvert advancing puts in place, while remove this counterweight, while perform accessory structure, this counterweight of removing is equal in weight with this accessory structure performed, this accessory structure is made to substitute this counterweight, to ensure that the existing structure of the subway periphery soil body keeps balancing of stresses, thus complete the construction of newly-built frame bridge above existing structure of the subway.
In reality is implemented, counterweight is chosen as steel ingot or concrete slab, determines according to calculating depending on concrete condition.
In jack-in process, can take safeguard measure, such as, the end face that is subject to along box culvert installs steel plate, arranges steel mesh reinforcement, is banded on the reinforcing bar of concrete slab by this steel mesh reinforcement, to prevent from damaging box culvert in jack-in process between this steel plate and box culvert.
In reality is implemented, before execution step 3, the top journey of maximum top power that crest enters box culvert allows and crest enters box culvert should be calculated, control top power and top journey with strict in jack-in process.
If box culvert size is comparatively large, then prefabricated the and merogenesis jacking of box culvert sectional.
Preferably, the slide plate being beneficial to jacking can be built in jacking working pit, prefabricated box culvert on this slide plate.
In the present invention, the making of the maximum top power that the excavation of jacking working pit, the making of box culvert, crest enters box culvert allow and the top calculating of journey, slide plate, accessory structure perform and the technology such as such as jacking involved in traditional box culvert jacking construction method is the technology of knowing of this area, here do not describe in detail.
The present invention adopts the box culvert advancing mode of setting up counterweight to control a kind of construction method of structure of the subway floating distortion in the process of newly-built frame bridge above existing structure of the subway, compared with traditional open-cut, the inventive method is utilizing in box culvert advancing process, adopt the form increasing counterweight, the weight excavating the soil body is made up by the weight of counterweight and box culvert, make the below soil body that unloading effect not occur, thus control the deflection of structure of the subway, reduce the impact of constructing and existing subway line operation being produced to greatest extent, the safety of train operation and stationarity are guaranteed.
Rephrase the statement, the present invention is a kind of box culvert jacking construction method, but they are different from traditional box culvert jacking construction method, difference of the present invention is, it adds counterweight on the basis of traditional box culvert jacking construction method, make up by the weight of counterweight and box culvert the soil body weight excavating, thus serve the effect suppressing below soil body floating distortion, this wears on newly-built frame bridge in existing structure of the subway construction works from original.
Compared with traditional open-cut, the present invention can not have any impact to train operation in work progress, and train is without speed limit or stoppage in transit.
With an example, the present invention will be described below.
Intend at the newly-built frame bridge in an existing structure of the subway (subway tunnel 10 as shown in Figure 2) top, cause the unloading of the underground tunnel upper soil body to prevent from constructing and make soil body generation rebound deformation, tunnel 10 and its surrounding soil is made to occur to float and be out of shape, building of frame bridge adopts box culvert jacking construction method of the present invention, avoids impacting train operation.
Design the thick 0.8m of top board of this frame bridge, the thick 1.0m of base plate, side wall, middle wall thickness 0.8m, frame bridge clear height 6.09 ~ 6.56m, height overall 7.89 ~ 8.36m, along alignment direction overall length 25.4m, bridge top road surface pavement structure.
The detailed process adopting the inventive method to carry out frame bridge construction building is:
Before construction, take traffic to lead measures such as changing according to actual conditions, be beneficial to carrying out smoothly of construction;
Above existing structure of the subway, plan to build the side, position of frame bridge, excavation jacking working pit 20, in reality is implemented, jacking working pit 20 can adopt 1:1 to put slope excavation, can arrange gutter and collecting well in hole;
The slide plate (as steel concrete slide plate) 30 being beneficial to jacking is built in this jacking working pit 20, prefabricated box culvert (i.e. frame bridge foundation structure) 40 on this slide plate 30, and back beam 60 after building, banket at this rear back beam 60 rear, form back 70 (as steel concrete back), back gradient form of banketing can make the appropriate adjustments according to field condition (after jacking completes, back needs to remove);
Counterweight is set up in bottom in this box culvert 40, this counterweight elects steel ingot 50 as, steel ingot 50 is successively put on request on box culvert 40 inner bottom plating, gross thickness is 0.5m, and its weight and box culvert 40 weight sum equal the soil body gross weight excavated, to make up the weight of losing the soil body in excavation jacking working pit process, make soil body discharging quantity minimum, make the soil body around structure of the subway substantially be in virgin state of stress, make uplift of soil distortion be down to minimum, fundamentally reduce the possibility of being out of shape that floats;
Adopt this box culvert 40 of relay well method jacking, in the process of this box culvert 40 of jacking, dig the soil body in jacking front gradually, i.e. limit excavation front soil body limit jacking, each excavation drilling depth must not exceed setpoint distance (as must not be greater than 0.4m), needs if desired to process ground, before jacking, consider various frictional force (not considering frontal drag), calculating the maximum top power that box culvert allows is 82858KN, and top journey is about 49m;
After this box culvert 40 jacking puts in place, while remove this steel ingot 50, while perform accessory structure, steel ingot 50 weight of removing equals the weight of the accessory structure performed, this steel ingot 50 is substituted to make this accessory structure, ensure that the existing structure of the subway periphery soil body keeps balancing of stresses, such as, perform the road structure (bridge floor railing 81 as shown in Figure 3 etc.) above the waterproof construction at structural joint place and box culvert 40, thus complete the construction operation of newly-built frame bridge above existing structure of the subway.
In reality is implemented, during jacking, the two sides that box culvert 40 is pushed up can be provided with cold gluing emulsion waterproofing course, in addition, also can be coated with 1:3 machine oil French chalk, to reduce jacking frictional force.
In reality is implemented, slide plate 30 surface requirements is smooth, and for preventing pricking head during box culvert 40 jacking, slide plate 30 end face can be provided with faces upward slope accordingly, and slide plate 30 bottom front can be provided with fore slope, and the gradient is 1 ‰ ~ 5 ‰.
In reality is implemented, except arranging slide plate 30, also can relative set stone concrete bed course, reinforced concrete floor, lubricating layer (it being smeared machine oil, French chalk), plastic bottom board separation layer etc., these all can need and respective design according to actual conditions, belong to techniques well known.
In reality is implemented, corresponding ancillary works can be set up according to actual conditions in work progress, the accessory structure that relates in these ancillary workss building be all this area know technology, illustrate below.Such as, the steel concrete basil 41 can be set in box culvert (frame bridge foundation structure) 40 front ends, to prevent side soil body landslide, excision after box culvert 40 jacking is in place.Again such as, in jacking construction, steel side edge angle and steel shear blade angle can be set at box culvert 40 side edge angle and bottom front, to ensure to cut carrying out smoothly of soil and jacking, dismounting after box culvert 40 jacking is in place.Again such as, after frame bridge construction, the soil body in its both sides certain limit can be processed, and correspondingly can perform transition slab at bridge head 82, to improve safety and the comfortableness of driving.Again such as, after frame bridge has been constructed, if position that frame bridge is built is in river course, then need the original river course barricade etc. removed before construction to recover, the structures such as the river course barricade of recovery are see part shown in label in Fig. 3 90.
The present invention can be widely used in road or other urban operating mechanism is built in the construction of box culvert being worn operated subway circuit, effectively can ensure the safety of existing subway line, reduce the impact of constructing and existing subway line being runed, be particularly useful for runing busier or higher to track malformation requirement location, good economic benefit and social benefit can be produced.
The above know-why being preferred embodiment of the present invention and using; for a person skilled in the art; when not deviating from the spirit and scope of the present invention; any based on apparent changes such as the equivalent transformation on technical solution of the present invention basis, simple replacements, all belong within scope.
Claims (5)
1. newly-built frame bridge is worn an existing structure of the subway box culvert jacking construction method, it is characterized in that, it comprises the steps:
Step one: the side of planning to build frame bridge position above existing structure of the subway, excavation jacking working pit;
Step 2: prefabricated box culvert in this jacking working pit, counterweight is set up in the bottom in this box culvert, and the weight sum of the weight of this counterweight and this box culvert equals the soil body weight excavated, to make up the weight of losing the soil body in excavation jacking working pit process;
Step 3: this box culvert of jacking, wherein: in the process of this box culvert of jacking, digs the soil body in jacking direction gradually, to complete box culvert advancing operation;
Step 4: after this box culvert advancing puts in place, while remove this counterweight, while perform accessory structure, this counterweight of removing is equal in weight with this accessory structure performed, this accessory structure is made to substitute this counterweight, ensure that the existing structure of the subway periphery soil body keeps balancing of stresses, complete the construction of newly-built frame bridge above existing structure of the subway.
2. newly-built frame bridge as claimed in claim 1 wears existing structure of the subway box culvert jacking construction method, it is characterized in that:
Described counterweight is steel ingot or concrete slab.
3. newly-built frame bridge as claimed in claim 1 or 2 wears existing structure of the subway box culvert jacking construction method, it is characterized in that:
The end face that is subject to along described box culvert installs steel plate, arranges steel mesh reinforcement, be banded in by this steel mesh reinforcement on the reinforcing bar of described concrete slab between this steel plate and described box culvert.
4. newly-built frame bridge as claimed in claim 1 wears existing structure of the subway box culvert jacking construction method, it is characterized in that:
Before the described step 3 of execution, calculate the top journey of box culvert described in maximum top power and jacking that box culvert described in jacking allows.
5. newly-built frame bridge as claimed in claim 1 wears existing structure of the subway box culvert jacking construction method, it is characterized in that:
If described box culvert size is comparatively large, then described box culvert prefabricate merogenesis jacking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310602973.8A CN104652279B (en) | 2013-11-25 | 2013-11-25 | Existing structure of the subway box culvert jacking construction method is worn on a kind of newly-built frame bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310602973.8A CN104652279B (en) | 2013-11-25 | 2013-11-25 | Existing structure of the subway box culvert jacking construction method is worn on a kind of newly-built frame bridge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104652279A true CN104652279A (en) | 2015-05-27 |
| CN104652279B CN104652279B (en) | 2016-08-17 |
Family
ID=53243875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310602973.8A Active CN104652279B (en) | 2013-11-25 | 2013-11-25 | Existing structure of the subway box culvert jacking construction method is worn on a kind of newly-built frame bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104652279B (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105064216A (en) * | 2015-07-29 | 2015-11-18 | 中铁六局集团天津铁路建设有限公司 | Method for preventing existing line from transversely moving during jacking super-long framed bridge |
| CN105672356A (en) * | 2016-03-25 | 2016-06-15 | 中船第九设计研究院工程有限公司 | Underground structure of municipal pipeline group spanning tunnel and construction method for underground structure |
| CN105809246A (en) * | 2016-02-25 | 2016-07-27 | 东南大学 | Subway structure deformation forecast method based on BP-time sequence fusion |
| CN105804758A (en) * | 2016-04-22 | 2016-07-27 | 中国电建集团铁路建设有限公司 | Shallow-earthing, large-section and small-distance construction method for rectangular pipe jacking overpass subway tunnel |
| CN106120566A (en) * | 2016-08-16 | 2016-11-16 | 中铁六局集团天津铁路建设有限公司 | Jacking new frame bridge construction method in the case of extreme angles closes on existing frame bridge |
| CN107419741A (en) * | 2017-07-04 | 2017-12-01 | 中铁上海设计院集团有限公司 | A kind of slideway structure and its construction method for preventing jacking case body off normal |
| CN107447673A (en) * | 2017-09-13 | 2017-12-08 | 中铁六局集团天津铁路建设有限公司 | Method for adjusting the frame bridge upper box jacking discrepancy in elevation |
| CN107675628A (en) * | 2017-10-12 | 2018-02-09 | 中铁六局集团有限公司 | Worn on urban road frame bridge and railway in operation jacking construction method is worn under operated subway |
| CN108166397A (en) * | 2017-12-31 | 2018-06-15 | 中铁十九局集团第二工程有限公司 | Railway frame bridge construction method |
| CN109914474A (en) * | 2019-03-24 | 2019-06-21 | 北京工业大学 | A kind of pipe gallery U-type groove, which is excavated, presses push construction method |
| CN110306449A (en) * | 2019-05-31 | 2019-10-08 | 武汉市武昌市政建设(集团)有限公司 | A kind of connection method of new box culvert and existing road box culvert |
| CN111305074A (en) * | 2020-03-23 | 2020-06-19 | 中铁七局集团郑州工程有限公司 | Construction method for integrally dropping jacking box bridge with upward floating exceeding standard |
| CN112647958A (en) * | 2020-12-28 | 2021-04-13 | 中铁广州工程局集团有限公司 | Construction method of box culvert |
| CN114561882A (en) * | 2022-03-29 | 2022-05-31 | 北京市市政二建设工程有限责任公司 | Frame box culvert jacking structure of underpass railway and construction method thereof |
| CN114910028A (en) * | 2022-01-13 | 2022-08-16 | 中铁二十四局集团有限公司 | Measurement and calculation method for box culvert jacking attitude |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109797717A (en) * | 2019-01-21 | 2019-05-24 | 北京通成达水务建设有限公司 | The construction method for having subway tunnel is worn on a kind of river |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101343861A (en) * | 2008-08-22 | 2009-01-14 | 中铁六局集团有限公司 | Construction method for replacing old frame bridge by new frame bridge in existing railway lines |
| JP2009185564A (en) * | 2008-02-08 | 2009-08-20 | Ihi Corp | Sending-off method of bridge |
| CN102031757A (en) * | 2011-01-06 | 2011-04-27 | 李家稳 | Method for constructing bottom plate guide layer of jacked-in frame bridge |
| CN201924288U (en) * | 2011-01-06 | 2011-08-10 | 李家稳 | Guide device for bottom plate of jacked frame bridge |
| CN103362073A (en) * | 2013-08-08 | 2013-10-23 | 中铁六局集团天津铁路建设有限公司 | Method for pushing frame bridge |
-
2013
- 2013-11-25 CN CN201310602973.8A patent/CN104652279B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009185564A (en) * | 2008-02-08 | 2009-08-20 | Ihi Corp | Sending-off method of bridge |
| CN101343861A (en) * | 2008-08-22 | 2009-01-14 | 中铁六局集团有限公司 | Construction method for replacing old frame bridge by new frame bridge in existing railway lines |
| CN102031757A (en) * | 2011-01-06 | 2011-04-27 | 李家稳 | Method for constructing bottom plate guide layer of jacked-in frame bridge |
| CN201924288U (en) * | 2011-01-06 | 2011-08-10 | 李家稳 | Guide device for bottom plate of jacked frame bridge |
| CN103362073A (en) * | 2013-08-08 | 2013-10-23 | 中铁六局集团天津铁路建设有限公司 | Method for pushing frame bridge |
Non-Patent Citations (1)
| Title |
|---|
| 杨秀玲: "软土地基箱涵顶进扎头的原因及预防措施", 《铁道运营技术》, no. 4, 31 October 2009 (2009-10-31) * |
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105064216B (en) * | 2015-07-29 | 2016-08-24 | 中铁六局集团天津铁路建设有限公司 | Prevent existing line from traversing method occurring during a kind of jacking extra-long frame bridge |
| CN105064216A (en) * | 2015-07-29 | 2015-11-18 | 中铁六局集团天津铁路建设有限公司 | Method for preventing existing line from transversely moving during jacking super-long framed bridge |
| CN105809246B (en) * | 2016-02-25 | 2018-02-02 | 东南大学 | A kind of structure of the subway Deformation Forecasting Method based on the fusion of BP time serieses |
| CN105809246A (en) * | 2016-02-25 | 2016-07-27 | 东南大学 | Subway structure deformation forecast method based on BP-time sequence fusion |
| CN105672356A (en) * | 2016-03-25 | 2016-06-15 | 中船第九设计研究院工程有限公司 | Underground structure of municipal pipeline group spanning tunnel and construction method for underground structure |
| CN105672356B (en) * | 2016-03-25 | 2017-06-06 | 中船第九设计研究院工程有限公司 | A kind of municipal pipeline group's Underground Construction method of spanning over subway tunnel |
| CN105804758A (en) * | 2016-04-22 | 2016-07-27 | 中国电建集团铁路建设有限公司 | Shallow-earthing, large-section and small-distance construction method for rectangular pipe jacking overpass subway tunnel |
| CN105804758B (en) * | 2016-04-22 | 2018-02-16 | 中国电建集团铁路建设有限公司 | Across constructing metro tunnel method on the rectangular top pipe of the shallow small spacing of earthing big cross section |
| CN106120566A (en) * | 2016-08-16 | 2016-11-16 | 中铁六局集团天津铁路建设有限公司 | Jacking new frame bridge construction method in the case of extreme angles closes on existing frame bridge |
| CN106120566B (en) * | 2016-08-16 | 2017-10-20 | 中铁六局集团天津铁路建设有限公司 | The jacking new frame bridge construction method in the case of extreme angles close on existing frame bridge |
| CN107419741A (en) * | 2017-07-04 | 2017-12-01 | 中铁上海设计院集团有限公司 | A kind of slideway structure and its construction method for preventing jacking case body off normal |
| CN107447673A (en) * | 2017-09-13 | 2017-12-08 | 中铁六局集团天津铁路建设有限公司 | Method for adjusting the frame bridge upper box jacking discrepancy in elevation |
| CN107447673B (en) * | 2017-09-13 | 2018-10-12 | 中铁六局集团天津铁路建设有限公司 | Method for adjusting frame bridge upper box jacking height difference |
| CN107675628A (en) * | 2017-10-12 | 2018-02-09 | 中铁六局集团有限公司 | Worn on urban road frame bridge and railway in operation jacking construction method is worn under operated subway |
| CN108166397A (en) * | 2017-12-31 | 2018-06-15 | 中铁十九局集团第二工程有限公司 | Railway frame bridge construction method |
| CN109914474A (en) * | 2019-03-24 | 2019-06-21 | 北京工业大学 | A kind of pipe gallery U-type groove, which is excavated, presses push construction method |
| CN110306449A (en) * | 2019-05-31 | 2019-10-08 | 武汉市武昌市政建设(集团)有限公司 | A kind of connection method of new box culvert and existing road box culvert |
| CN110306449B (en) * | 2019-05-31 | 2021-08-27 | 武汉市武昌市政建设(集团)有限公司 | Method for connecting new box culvert and existing road box culvert |
| CN111305074A (en) * | 2020-03-23 | 2020-06-19 | 中铁七局集团郑州工程有限公司 | Construction method for integrally dropping jacking box bridge with upward floating exceeding standard |
| CN112647958A (en) * | 2020-12-28 | 2021-04-13 | 中铁广州工程局集团有限公司 | Construction method of box culvert |
| CN114910028A (en) * | 2022-01-13 | 2022-08-16 | 中铁二十四局集团有限公司 | Measurement and calculation method for box culvert jacking attitude |
| CN114561882A (en) * | 2022-03-29 | 2022-05-31 | 北京市市政二建设工程有限责任公司 | Frame box culvert jacking structure of underpass railway and construction method thereof |
| CN114561882B (en) * | 2022-03-29 | 2023-09-15 | 北京市市政二建设工程有限责任公司 | Frame box culvert jacking structure of underpass railway and construction method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104652279B (en) | 2016-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104652279A (en) | Box culvert advancing construction method for building new frame bridge above existing subway structure | |
| CN101831873B (en) | Temporary bridge covered excavation method for constructing box culvert below traffic ground line of operating track | |
| CN101858222B (en) | Method for controlling deformation in zero-distance tunneling of new tunnel under existing subway construction | |
| CN101761068A (en) | Box-raft pressure-bearing type foundation underpinning and construction reinforcing method for tunnel across pile foundation of bridge above river | |
| CN1837506B (en) | Construction method for excavating box-shape structure over an operating tunnel | |
| CN105041349A (en) | Underground excavation construction method for expanded excavation of station on basis of metro regional shield tunnel | |
| CN103874803A (en) | Method for building structures, particularly passages under operating railways or the like. | |
| CN104481546B (en) | A kind of soft rock tunnel inclined shaft enters the construction method of the double curvature arch in positive hole | |
| CN105003272A (en) | Reversed construction method for expanding and excavating stations on sectional shield tunnel foundations of subways | |
| CN105064397A (en) | Open excavation construction method for expanding excavation of station on metro interzone shield tunnel foundation | |
| CN105672347A (en) | Structure of prefabricated pile-plate brackets for underpinning existing pile foundations through shield tunneling and construction method | |
| CN105804119A (en) | Underground corridor structure with dual-purpose pile foundations and construction method of underground corridor structure | |
| CN104563158A (en) | Construction method for implementing transfer between platform floor of existing subway station and platform floor of new subway station | |
| CN106400636A (en) | Control method for multilayer road soft soil roadbed differential settlement | |
| CN105350589A (en) | Underpinning construction method for pile foundation crossing existing protective building structure | |
| CN106759486A (en) | A kind of underground structure being made up of stake and wall and its construction method | |
| CN107299635A (en) | A kind of soft soil foundation slope collapse support reinforcement method | |
| CN112983493A (en) | Reinforcing structure for shield to closely penetrate large-section bridge and culvert downwards and construction method | |
| CN100535392C (en) | Bridge type shield construction method for box type bridge | |
| CN103967052A (en) | Method for protecting height difference soil bodies of bases of new frame structure bridge and old frame structure bridge | |
| CN103334451A (en) | Underneath-passing channel formed between high-speed rail piers through secant pile walls and method thereof | |
| CN207228156U (en) | A kind of underground structure being made of stake and wall | |
| CN106758886B (en) | A kind of method of the existing bridges and culverts structure of novel dismounting | |
| CN105714856A (en) | Underground air duct construction method with first negative structural layer and second negative structural layer in bottom-up | |
| CN113389218A (en) | Retaining wall structure for entrance and exit of road bridge and construction method thereof |
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 |