CN107142948A - A kind of highway wears high ferro viaduct system and construction method without pre- leave - Google Patents
A kind of highway wears high ferro viaduct system and construction method without pre- leave Download PDFInfo
- Publication number
- CN107142948A CN107142948A CN201710354769.7A CN201710354769A CN107142948A CN 107142948 A CN107142948 A CN 107142948A CN 201710354769 A CN201710354769 A CN 201710354769A CN 107142948 A CN107142948 A CN 107142948A
- Authority
- CN
- China
- Prior art keywords
- highway
- stake
- high ferro
- support
- construction
- 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.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
-
- 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)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
High ferro viaduct system and construction method are worn without pre- leave the invention discloses a kind of highway, the highway is worn high ferro viaduct system and included without pre- leave：Pattern foundation pit supporting structure frame structure and building enclosure, the pattern foundation pit supporting structure frame structure are campshed supporting, and the building enclosure includes the fender pile and inner support using digging hole filling pile, twice inner support is vertically provided with foundation ditch.
Description
Technical field
The present invention relates to foundation pit construction technical field, more particularly to highway wears high ferro viaduct system without pre- leave
And construction method.
Background technology
With the continual development of China's economy, the construction of high-speed railway spreads all over the country, but the thing followed is traffic
The increasingly increase of crossing elimination engineering.High speed rail train operation speed is fast, very harsh to circuit deformation requirements, and under highway
Wearing the situation of existing structure can not avoid.To ensure the safety of high ferro, it is to avoid the adverse effect that other cross project constructions are brought,
Other cross projects are generally in high ferro process of construction and have carried out related reservation process or in advance consolidation process.
But it is this reserved or consolidation process has problems with advance：
1. reservation process limits the flexible route selection of rear programme path, cost is virtually added；
2. disturbance can be produced in advance to high ferro overpass by reinforcing, Secondary Disturbance is carried out during construction, it is impossible to ensure high-speed railway
Circuit is deformed in prescribed limit.
Integrate from the point of view of having studied both at home and abroad, applied, in advance for foundation pit enclosure, excavation of foundation pit, agent structure respectively at present
The research that both wired grades are worn under staying at position is a lot, but for underpass of freeways excavation of foundation pit depth it is big, apart from bridge pier
Closely, the research of the base pit engineering of complex conditions of the lower digging depth below pier cap does not almost have but.
It is desirable to have a kind of highway without pre- to leave that to wear high ferro viaduct system and construction method public at a high speed to solve
The technical problem of high ferro is worn without leaving in advance in road.
The content of the invention
It is an object of the invention to provide a kind of highway high ferro viaduct system and construction method are worn without pre- leave
Overcome the above-mentioned problems in the prior art.
To achieve the above object, the present invention provides a kind of highway and wears high ferro viaduct system without pre- leave and include：Base
Support frame structure and building enclosure are cheated, the pattern foundation pit supporting structure frame structure is campshed supporting, and the building enclosure includes using
The fender pile and inner support of digging hole filling pile, are vertically provided with twice inner support in foundation ditch.
Preferably, the fender pile is included between the stake of A types and Type B stake, the fender pile using m esh-hanging sprayed concrete envelope
Close, armored concrete Guan Liang is provided with the top of the fender pile.
Preferably, A types stake and B are used successively according to the distance away from the viaduct pier around viaduct pier
Type stake, while foundation pit enclosure intensity is ensured, from the stake of A types, takes every pile driving construction, makes stake and soil body contact area small, subtract
Disturbance when driving piles less to the soil body, makes the soil body maintain the elastic small deformation stage, it is to avoid led because soil body surrender enters moulding area
The large deformation of cause.
Preferably, reinforced concrete support supporting and steel pipe support, the armored concrete are provided with the building enclosure
The spacing that support constitutes between frame structure top body plate, the reinforced concrete support is 7.5m；Water between the steel pipe support
Flat spacing is 4m.
Preferably, the excavation of foundation pit layered, the symmetrical excavation of segmentation, reduce the horizontal disturbance to viaduct pier, institute
State foundation ditch surrounding and reserve the native bank protection of triangle, every layer of shoveling thickness is less than 3m, and by hand excavation's support trenches, excavates trench bottom extremely
Waist rail and support are set up in time at the lower 0.5m of support, it then follows first support the principle dug afterwards, it is not up to normal before use, must not in support
Backbreak lower floor cubic metre of earth.
The present invention provides a kind of highway without the construction method of wearing high ferro overpass is left in advance, and the highway is without pre-
The construction method for wearing high ferro overpass is left using half lid digging Counter procedure, is comprised the following steps：
(1) fender post, stake top Guan Liang and the construction of stake top reinforced concrete support, the stake top reinforced concrete construction are carried out
Splice part is connected using connector at the construction method of Shi Caiyong part groovings, construction joint；
(2) at longitudinal divisionses, the vertical layered excavation pit soil body to bracing members bottom 0.5m；
(3) longitudinal divisionses, the vertical layered excavation pit soil body is to cheating at the designed elevation of bottom, in structural base casting concrete
Bed course；
(4) splice is connected using connector at longitudinal divisionses pouring frame structure base slab armored concrete, construction joint；
(5) bracing members are removed, side wall reinforced concrete structure is poured, the remaining reinforced concrete structure of top plate is poured.
High ferro viaduct system and construction method are worn without pre- leave the invention provides a kind of highway, finite element is utilized
The deformation rule of overpass surrounding soil after Numerical Method Study excavation of foundation pit, and viaduct pier change in displacement entered
Row prediction, analyzes the feasibility of design mistake, ensure that high ferro just while highway foundation pit construction is completed
Often operation.
Brief description of the drawings
Fig. 1 is highway without leaving the diagrammatic cross-section of wearing high ferro viaduct system in advance.
Fig. 2 is highway without leaving the structural representation of wearing high ferro viaduct system in advance.
Fig. 3 is schematic diagram of the highway without the step 1 for leaving the construction method for wearing high ferro overpass in advance.
Fig. 4 is schematic diagram of the highway without the step 2 for leaving the construction method for wearing high ferro overpass in advance.
Fig. 5 is schematic diagram of the highway without the step 3 for leaving the construction method for wearing high ferro overpass in advance.
Fig. 6 is schematic diagram of the highway without the step 4 for leaving the construction method for wearing high ferro overpass in advance.
Fig. 7 is schematic diagram of the highway without the step 5 for leaving the construction method for wearing high ferro overpass in advance.
Fig. 8 is highway without leaving the frame structure and fender pile and inner support size design of wearing high ferro viaduct system in advance
Schematic diagram.
Fig. 9 is highway without leaving the signal of wearing two dimensional surface numerical simulator before high ferro viaduct system is excavated in advance
Figure.
Figure 10, which is highway, wears showing for two dimensional surface numerical simulator after high ferro viaduct system is excavated without leaving in advance
It is intended to
Figure 11 is and real condition of construction identical numerical result displacement cloud atlas.
Figure 12 is that schematic diagram is analyzed with monitoring result in analog result.
Embodiment
To make the purpose, technical scheme and advantage of the invention implemented clearer, below in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme in the embodiment of the present invention is further described in more detail.In the accompanying drawings, identical from beginning to end or class
As label represent same or similar element or the element with same or like function.Described embodiment is the present invention
A part of embodiment, rather than whole embodiments.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to uses
It is of the invention in explaining, and be not considered as limiting the invention.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.Under
Embodiments of the invention are described in detail with reference to accompanying drawing for face.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer " is based on accompanying drawing institutes
The orientation or position relationship shown, is for only for ease of the description present invention and simplifies description, rather than indicate or imply signified dress
Put or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to present invention protection
The limitation of scope.
In a broad embodiment of the invention, a kind of highway is worn high ferro viaduct system and included without pre- leave：Foundation ditch
Support frame structure and building enclosure, the pattern foundation pit supporting structure frame structure are campshed supporting, and the building enclosure is included using digging
The fender pile and inner support of hole pouring pile, are vertically provided with twice inner support in foundation ditch.
In another broad embodiment of the invention, highway wears the construction method of high ferro overpass without leaving in advance, described
Highway comprises the following steps without the construction method for wearing high ferro overpass is left in advance using half lid digging Counter procedure：
(1) fender post, stake top Guan Liang and the construction of stake top reinforced concrete support, the stake top reinforced concrete construction are carried out
Splice part is connected using connector at the construction method of Shi Caiyong part groovings, construction joint；
(2) at longitudinal divisionses, the vertical layered excavation pit soil body to bracing members bottom 0.5m；
(3) longitudinal divisionses, the vertical layered excavation pit soil body is to cheating at the designed elevation of bottom, in structural base casting concrete
Bed course；
(4) splice is connected using connector at longitudinal divisionses pouring frame structure base slab armored concrete, construction joint；
(5) bracing members are removed, side wall reinforced concrete structure is poured, the remaining reinforced concrete structure of top plate is poured.
As shown in Figure 1-2, highway is worn high ferro viaduct system structure and included without pre- leave：Viaduct pier 1, base
Hole 2, concrete support 3, bracing members 4 and fender post 5.
Cast-in-Situ Segment foundation pit supporting construction uses campshed support system scheme, the width of foundation ditch 2 about 17.8m, depth 8.4m.Go along with sb. to guard him knot
Structure adds the support system of inner support system using digging hole filling pile, and foundation ditch 2 vertically sets 2 road inner supports altogether.
Fender post 5 has 2 types：One kind is the stake of A types, and stake footpath is 1.0m, and pile center is away from for 1.4m, the long 12m of stake；It is another
Kind of stake is Type B stake, and stake footpath is 1.25m, and pile center is away from for 1.5m, the long 13.3m of stake.It is early using linked network injection C20 between fender post 5
Reinforced concrete closing is levelling, and stake top sets C40P8 armored concrete Guan Liangs.
In the design method, using the stake of A types at viaduct pier 1, using Type B stake when distant, ensureing
It is appropriate to take every pile driving construction from the less A types stake in stake footpath, make stake and soil body contact area small while foundation pit enclosure intensity,
The disturbance to soil body when driving piles is reduced, the soil body is tried one's best and maintains the elastic small deformation stage, it is to avoid because soil body surrender enters moulding
Large deformation caused by area.
Support supporting is set in building enclosure, support also there are two types：One kind is C40P8 reinforced concrete supports 3, the branch
The part as frame structure top body plate is supportted, 7.5m is spaced about；Another support is Ф 609mm, t=12mm bracing members 4, steel
Support 4 level intervals about 4m.
Foundation ditch 2 excavates layered, the symmetrical excavation of segmentation, reduces the horizontal disturbance to viaduct pier 1, the surrounding of foundation ditch 2 is pre-
The native bank protection of triangle is stayed, every layer of shoveling thickness excavates trench bottom under supporting no more than 3m, and by hand excavation's support trenches
Waist rail and support are set up at 0.5m in time, it then follows first support the principle dug afterwards, in the case where support is not up to normal before use, must not backbreak
The layer earthwork.Neighbouring Beijing-Shanghai express railway viaduct section excavation of foundation pit sets two roads to support, and non-adjacent viaduct section excavation of foundation pit sets one
Road is supported, and supports first using concrete support, and second uses bracing members, and bracing members design axle power is 1186kN, pre-add axle
Power 500kN.
To verify the feasibility of the program, method for numerical simulation is taken to prove scheme.
Based on large-scale general finite element software ABAQUS modeling function simulation material elastoplasticity and underground space engineering construction
Applicability feature, this subject study using ABAQUS softwares set up foundation pit construction two-dimension numerical calculation model carry out numerical computations
Analysis.
In model, the soil body, bridge pier and foundation pit structure are simulated with two dimensional plane strain unit (CPE4), and X-direction is level
Vertical close drop of water high speed direction, Y-direction is vertical depth direction.Moulded dimension can reduce greatly shadow of the boundary effect to result of calculation
Ring, but moulded dimension crosses conference and has a strong impact on calculating speed, and after the factor that has it both ways, the moulded dimension of this simulation takes：X side
To 200m is taken, Y-direction takes 80m.Beijing-Shanghai express railway overpass and the specific size of close drop of water high speed Subway Bridge foundation ditch are with frame structure and anti-
Fender pile and inner support size design are as shown in figure 8, set up two dimensional surface numerical simulator, model schematic before excavating and after excavating
As shown in Figure 9
The excavation of foundation ditch is simulated in simulation using element birth or death method, progressively kills soil body unit to simulate base in step is excavated
The excavation of the soil body is cheated, performing for pit maintenance soil unit simulation foundation pit enclosure structure is activated by different working procedures.Stake in model
Contacted with the contact type of soil from a mole coulomb, wherein
Mohr-Coulomb constitutive models are widely suitable for various geomaterials, are commonly referred to as using
ABAQUS carries out the preferred constitutive model of numerical computations.In numerical computations, Soil Parameters are reported according to Practical Project geological mapping
As a result choose, see the table below.
Foundation ditch concrete structure unit selects linear elasticity constitutive model, because foundation pit enclosure structure fender post and stull are simultaneously
Effect is queued, and two dimensional model is selected in numerical simulation, so being needed before calculating to fender post and the progress of the rigidity of stull
Equivalent Calculation.Fender post springform measures 23GPa, and the 1st road reinforced concrete support springform measures 9.38GPa, the 2nd road steel branch
Support springform measures 14.2GPa.
Different foundation pit construction orders, different construction speeds are simulated, various arrangement and method for construction are carried out to compare choosing, than
Relatively drawing influences minimum scheme on high ferro overpass, and the program is applied in Practical Project.
As shown in fig. 3 to 7, highway comprises the following steps without leaving the construction method of wearing high ferro overpass in advance：
(1) fender post, stake top Guan Liang and the construction of stake top reinforced concrete support, the stake top reinforced concrete construction are carried out
Splice part is connected using connector at the construction method of Shi Caiyong part groovings, construction joint；
(2) at longitudinal divisionses, the vertical layered excavation pit soil body to bracing members bottom 0.5m；
(3) longitudinal divisionses, the vertical layered excavation pit soil body is to cheating at the designed elevation of bottom, in structural base casting concrete
Bed course；
(4) splice is connected using connector at longitudinal divisionses pouring frame structure base slab armored concrete, construction joint；
(5) bracing members are removed, side wall reinforced concrete structure is poured, the remaining reinforced concrete structure of top plate is poured.
As shown in figure 8, highway without leaving the frame structure and fender pile and inner support chi of wearing high ferro viaduct system in advance
Very little design diagram.
As shown in figure 9, highway wears two dimensional surface numerical simulator before high ferro viaduct system is excavated without pre- leave
Schematic diagram.
As shown in Figure 10, highway wears two dimensional surface numerical simulator after high ferro viaduct system is excavated without pre- leave
Schematic diagram.
As shown in figure 11, with real condition of construction identical numerical result displacement cloud atlas.
As shown in figure 12, the numerical simulation result and monitoring result are analyzed, Monitoring Data is shown, two foundation ditches
The maximum protuberance value of middle F258 bridge piers is 3.18mm, and the maximum protuberance value of numerical simulation display is 3.98mm；F257 stakes are most
Big monitoring protuberance value is 2.33mm, and the maximum protuberance value of numerical simulation display is 2.89mm, monitoring result and numerical simulation result compared with
It is close, therefore simulation is carried out to similar engineering case with very high feasibility with method for numerical simulation.
In an embodiment not shown, highway is mixed without the cast-in-place framework waterproof of wearing high ferro overpass is left in advance
Xtah Crude Clay structure self waterproofing, is not provided with outer waterproofing layer, and one end and the genuine connecting part of framework of overpass set movement joint, deformation
Slit width degree is 30mm, and movement joint material is connected with mending triangle after jacking framework using rubber watertight strip and (contains middle wall), overhead
The other end of bridge is also provided with setting one of expanded rubber bar in one of construction joint, seam, in order to connect with road cast in place frame.
Highway is closely knit and fully vibrate without the concreting for leaving the waterstop position for wearing high ferro overpass in advance, really
Protect the density of waterstop position concrete.Polysulfide sealant is filled in movement joint, opposite joint is cleared up before filling, and is made in seam
Concrete surface keeps clean, dried, without peeling, greasy dirt and drop phenomenon.
It is last it is to be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations.To the greatest extent
The present invention is described in detail with reference to the foregoing embodiments for pipe, it will be understood by those within the art that：It is still
Technical scheme described in foregoing embodiments can be modified, or which part technical characteristic is equally replaced
Change；And these modifications or replacement, the essence of appropriate technical solution is departed from the essence of various embodiments of the present invention technical scheme
God and scope.
Claims (6)
1. a kind of highway wears high ferro viaduct system without pre- leave, it is characterised in that including：Pattern foundation pit supporting structure frame structure and
Building enclosure, the pattern foundation pit supporting structure frame structure is campshed supporting, and the building enclosure includes the protection using digging hole filling pile
Stake and inner support, are vertically provided with twice inner support in foundation ditch.
2. highway as claimed in claim 1 wears high ferro viaduct system without pre- leave, it is characterised in that the fender pile
Including the stake of A types and Type B stake, closed between the fender pile using m esh-hanging sprayed concrete, steel is provided with the top of the fender pile
Reinforced concrete Guan Liang.
3. highway as claimed in claim 2 wears high ferro viaduct system without pre- leave, it is characterised in that in overpass bridge
Foundation pit enclosure intensity is being ensured successively using A types stake and Type B stake according to the distance away from the viaduct pier around pier
Meanwhile, from the stake of A types, take every pile driving construction, make stake and soil body contact area small, reduce the disturbance to soil body when driving piles, make soil
Body maintains the elastic small deformation stage, it is to avoid because the soil body is surrendered into large deformation caused by moulding area.
4. highway as claimed in claim 1 wears high ferro viaduct system without pre- leave, it is characterised in that described to go along with sb. to guard him knot
Reinforced concrete support supporting and steel pipe support are provided with structure, the reinforced concrete support constitutes frame structure top body plate, described
Spacing between reinforced concrete support is 7.5m；Level interval between the steel pipe support is 4m.
5. highway as claimed in claim 1 wears high ferro viaduct system without pre- leave, it is characterised in that the foundation ditch is opened
Layered, the symmetrical excavation of segmentation are dug, the horizontal disturbance to viaduct pier is reduced, the foundation ditch surrounding reserves the native bank protection of triangle,
Every layer of shoveling thickness is less than 3m, and by hand excavation's support trenches, excavates trench bottom and set up waist rail in time at 0.5m under supporting
And support, it then follows the principle dug afterwards is first supportted, it is not up to normal before use, the lower floor cubic metre of earth that must not backbreak in support.
6. a kind of highway wears the construction method of high ferro overpass without leaving in advance, it is characterised in that the highway is without pre-
The construction method for wearing high ferro overpass is left using half lid digging Counter procedure, is comprised the following steps：
(1) fender post, stake top Guan Liang and the construction of stake top reinforced concrete support are carried out, is adopted during the stake top reinforced concrete construction
With the construction method of local grooving, splice part is connected using connector at construction joint；
(2) at longitudinal divisionses, the vertical layered excavation pit soil body to bracing members bottom 0.5m；
(3) longitudinal divisionses, the vertical layered excavation pit soil body is to cheating at the designed elevation of bottom, in structural base casting concrete pad
Layer；
(4) splice is connected using connector at longitudinal divisionses pouring frame structure base slab armored concrete, construction joint；
(5) bracing members are removed, side wall reinforced concrete structure is poured, the remaining reinforced concrete structure of top plate is poured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710354769.7A CN107142948A (en) | 2017-05-18 | 2017-05-18 | A kind of highway wears high ferro viaduct system and construction method without pre- leave |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710354769.7A CN107142948A (en) | 2017-05-18 | 2017-05-18 | A kind of highway wears high ferro viaduct system and construction method without pre- leave |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107142948A true CN107142948A (en) | 2017-09-08 |
Family
ID=59778489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710354769.7A Pending CN107142948A (en) | 2017-05-18 | 2017-05-18 | A kind of highway wears high ferro viaduct system and construction method without pre- leave |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107142948A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108460185A (en) * | 2018-01-31 | 2018-08-28 | 浙江大学城市学院 | Excavation influences numerical analysis method to neighbouring existing vcehicular tunnel and power pipeline |
| CN109056738A (en) * | 2018-08-20 | 2018-12-21 | 中铁六局集团天津铁路建设有限公司 | Excavation method below high-speed railway |
| CN111041995A (en) * | 2019-12-30 | 2020-04-21 | 中铁六局集团天津铁路建设有限公司 | Construction method for U-shaped frame structure to penetrate high-speed rail bridge obliquely downwards |
| CN111501451A (en) * | 2020-05-11 | 2020-08-07 | 中铁工程设计咨询集团有限公司 | Jacking municipal frame bridge structure and construction method |
| CN111827298A (en) * | 2020-06-04 | 2020-10-27 | 广州地铁设计研究院股份有限公司 | Intercity railway elevated foundation pit supporting construction |
| CN113389218A (en) * | 2021-05-10 | 2021-09-14 | 中铁武汉勘察设计院有限公司 | Retaining wall structure for entrance and exit of road bridge and construction method thereof |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102828520A (en) * | 2012-09-11 | 2012-12-19 | 中煤科工集团武汉设计研究院中汉岩土工程分公司 | Ring-shaped inner supporting structure used in deep peat soil deep foundation pit |
| CN103114592A (en) * | 2011-11-16 | 2013-05-22 | 龙信建设集团有限公司 | Method for deep excavation pit combination support construction close to subway station |
| CN103696784A (en) * | 2014-01-03 | 2014-04-02 | 沈阳铁道勘察设计院有限公司 | Large-diameter long pipe curtain construction method for shallowly-buried large-span under-tunnel-passing architectural structure |
| CN105003272A (en) * | 2015-07-26 | 2015-10-28 | 北京工业大学 | Reversed construction method for expanding and excavating stations on sectional shield tunnel foundations of subways |
| CN105178327A (en) * | 2015-07-17 | 2015-12-23 | 上海建工七建集团有限公司 | Composite retaining structure of foundation pit project and construction method thereof |
| CN105951711A (en) * | 2016-05-25 | 2016-09-21 | 中国能源建设集团安徽电力建设第工程有限公司 | Enclosing construction method of underground continuous wall of seashore power station |
| CN106049505A (en) * | 2016-07-06 | 2016-10-26 | 江苏江中集团有限公司 | Construction method for deep foundation pit supporting and protecting system |
| CN106120801A (en) * | 2016-08-18 | 2016-11-16 | 中铁隧道集团二处有限公司 | In water-rich sand layer, pipeline crosses the construction method at foundation ditch |
| CN106223360A (en) * | 2016-07-07 | 2016-12-14 | 中铁六局集团有限公司 | Use the open cut cast in place and precast construction subway station construction method of stake supporting system |
| CN106400813A (en) * | 2016-10-28 | 2017-02-15 | 北京城建勘测设计研究院有限责任公司 | Foundation pit support system and construction method thereof |
| CN106436720A (en) * | 2016-11-15 | 2017-02-22 | 河南省水利勘测设计研究有限公司 | Small-size deep foundation pit supporting structure for pipe jacking construction |
-
2017
- 2017-05-18 CN CN201710354769.7A patent/CN107142948A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103114592A (en) * | 2011-11-16 | 2013-05-22 | 龙信建设集团有限公司 | Method for deep excavation pit combination support construction close to subway station |
| CN102828520A (en) * | 2012-09-11 | 2012-12-19 | 中煤科工集团武汉设计研究院中汉岩土工程分公司 | Ring-shaped inner supporting structure used in deep peat soil deep foundation pit |
| CN103696784A (en) * | 2014-01-03 | 2014-04-02 | 沈阳铁道勘察设计院有限公司 | Large-diameter long pipe curtain construction method for shallowly-buried large-span under-tunnel-passing architectural structure |
| CN105178327A (en) * | 2015-07-17 | 2015-12-23 | 上海建工七建集团有限公司 | Composite retaining structure of foundation pit project and construction method thereof |
| CN105003272A (en) * | 2015-07-26 | 2015-10-28 | 北京工业大学 | Reversed construction method for expanding and excavating stations on sectional shield tunnel foundations of subways |
| CN105951711A (en) * | 2016-05-25 | 2016-09-21 | 中国能源建设集团安徽电力建设第工程有限公司 | Enclosing construction method of underground continuous wall of seashore power station |
| CN106049505A (en) * | 2016-07-06 | 2016-10-26 | 江苏江中集团有限公司 | Construction method for deep foundation pit supporting and protecting system |
| CN106223360A (en) * | 2016-07-07 | 2016-12-14 | 中铁六局集团有限公司 | Use the open cut cast in place and precast construction subway station construction method of stake supporting system |
| CN106120801A (en) * | 2016-08-18 | 2016-11-16 | 中铁隧道集团二处有限公司 | In water-rich sand layer, pipeline crosses the construction method at foundation ditch |
| CN106400813A (en) * | 2016-10-28 | 2017-02-15 | 北京城建勘测设计研究院有限责任公司 | Foundation pit support system and construction method thereof |
| CN106436720A (en) * | 2016-11-15 | 2017-02-22 | 河南省水利勘测设计研究有限公司 | Small-size deep foundation pit supporting structure for pipe jacking construction |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108460185A (en) * | 2018-01-31 | 2018-08-28 | 浙江大学城市学院 | Excavation influences numerical analysis method to neighbouring existing vcehicular tunnel and power pipeline |
| CN109056738A (en) * | 2018-08-20 | 2018-12-21 | 中铁六局集团天津铁路建设有限公司 | Excavation method below high-speed railway |
| CN111041995A (en) * | 2019-12-30 | 2020-04-21 | 中铁六局集团天津铁路建设有限公司 | Construction method for U-shaped frame structure to penetrate high-speed rail bridge obliquely downwards |
| CN111041995B (en) * | 2019-12-30 | 2021-06-25 | 中铁六局集团天津铁路建设有限公司 | Construction method for U-shaped frame structure to penetrate high-speed rail bridge obliquely downwards |
| CN111501451A (en) * | 2020-05-11 | 2020-08-07 | 中铁工程设计咨询集团有限公司 | Jacking municipal frame bridge structure and construction method |
| CN111501451B (en) * | 2020-05-11 | 2021-08-31 | 中铁工程设计咨询集团有限公司 | Construction method for jacking municipal frame bridge |
| CN111827298A (en) * | 2020-06-04 | 2020-10-27 | 广州地铁设计研究院股份有限公司 | Intercity railway elevated foundation pit supporting construction |
| CN113389218A (en) * | 2021-05-10 | 2021-09-14 | 中铁武汉勘察设计院有限公司 | Retaining wall structure for entrance and exit of road bridge and construction method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107142948A (en) | A kind of highway wears high ferro viaduct system and construction method without pre- leave | |
| CN102704957B (en) | Shed-frame method for shallowly burying large-sized underground structure construction | |
| Li et al. | Numerical simulation and analysis of the pile underpinning technology used in shield tunnel crossings on bridge pile foundations | |
| CN109914456B (en) | Design and construction method for adjacent and simultaneous construction of bridge and subway tunnel | |
| CN1837506B (en) | Construction method for excavating box-shape structure over an operating tunnel | |
| CN105862930B (en) | A kind of protection structure to creating existing tunnel below underground engineering | |
| CN104652279A (en) | Box culvert advancing construction method for building new frame bridge above existing subway structure | |
| CN105587320B (en) | Rich water sand-pebble layer abnormal shape deep shaft structural system and its construction method | |
| CN102943479A (en) | System and method for controlling deformation of deep and large foundation pit through partition unloading | |
| CN109137998A (en) | Cross the existing electric power piping lane protection structure and its construction method of tunnel foundation pit | |
| CN109958445A (en) | The frame construction method in Large Underground space is buried for an ultra shallow | |
| CN105370288A (en) | Construction method of shallow-buried large-span tunnels | |
| CN107119520A (en) | The soft base combined type of coastal tidal, which is changed, fills out structure and Treatment Methods | |
| CN106979021A (en) | Large-section loess tunnel is excavated and preliminary bracing quick closure looping technique | |
| CN110159296A (en) | Structural system for controlling deformation of subway shield tunnel and construction method thereof | |
| CN111139837A (en) | Method for simultaneously excavating multiple base pits at crossed subway in soft soil area | |
| Mei et al. | Experimental study of the comprehensive technology of grouting and suspension under an operating railway in the cobble stratum | |
| CN110362932A (en) | Shallow-depth-excavation tunnel pipe curtain structure computation model under a kind of complicated environmental condition | |
| Yang et al. | Influence of construction process of double-line shield tunnel crossing frame structure on ground settlement | |
| CN106320352B (en) | Construction method of multifunctional steel sheet pile cofferdam | |
| CN104594229A (en) | Z-shaped rigid frame half shed type open-cut tunnel structure | |
| CN204530520U (en) | Z-shaped rigid frame half canopy formula open-cut tunnel structure | |
| CN206800092U (en) | The soft base combined type of coastal tidal, which is changed, fills out structure and Roadbed by offshore soft clay | |
| CN110939139B (en) | Pile plate wall structure based on rigid contact of post-pile special-shaped retaining wall and construction method thereof | |
| CN107190630A (en) | Road changes the new cap excavation method of stealthy bridge type |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170908 |