CN107386274A - Wear the compound isolation pile and its reinforced construction method of bridge pier in tunnel side - Google Patents
Wear the compound isolation pile and its reinforced construction method of bridge pier in tunnel side Download PDFInfo
- Publication number
- CN107386274A CN107386274A CN201710691818.6A CN201710691818A CN107386274A CN 107386274 A CN107386274 A CN 107386274A CN 201710691818 A CN201710691818 A CN 201710691818A CN 107386274 A CN107386274 A CN 107386274A
- Authority
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- China
- Prior art keywords
- isolation pile
- pile
- slip casting
- reinforcing bar
- isolation
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- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/36—Concrete or concrete-like piles cast in position ; Apparatus for making same making without use of mouldpipes or other moulds
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/003—Injection of material
Abstract
The present invention relates to the compound isolation pile and its reinforced construction method that bridge pier is worn in tunnel side.Traditional isolation pile typically uses cast-in-situ bored pile, and it is difficult to be applicable that the placement of its construction machinery and steel reinforcement cage splicing are limited by under-clearance.Compound isolation pile of the present invention is set in a row between existing bridge pile foundation and bridge bearing platform and newly built tunnels, is stretched into below newly built tunnels bottom, forms isolation wall construction；The steel reinforcement cage and injecting cement paste that compound isolation pile is made up of isolation pile longitudinal reinforcement, shading ring reinforcing bar, positioning spacer bar form；Shading ring reinforcing bar is located at axis, and isolation pile longitudinal reinforcement is arranged in shading ring reinforcing bar periphery, positioning spacer bar is disposed between the interval of isolation pile longitudinal reinforcement.The present invention reduces the laxity of stake surrounding soil, the frictional resistance loss of bridge pier is controlled, has the characteristics that easy for construction, short construction period, noise be small, environment keeps good, is adapted to pass through various build in the boring construction of city（Structure）Build and popularization and application are carried out in thing reinforcing engineering.
Description
Technical field
The present invention relates to Tunnel Engineering technical field, and in particular to wears the compound isolation pile of bridge pier and its adds in a kind of tunnel side
Gu construction method.
Background technology
With the Large scale construction of urban rail transit in China, urban underground space utilization rate is being stepped up, city
Iron is inevitably under existing building or municipal bridge foundation or nearby by that will bring these existing basic protections
With reinforcing problem.When subway work is built apart from ground（Structure）When building that thing is very near or the stratum passed through is poor, to ensure that engineering is applied
Work safety, it is necessary to building（Structure）Build thing and treatment measures are taken on stratum.Compared with safeguard measure being taken during with from underground construction, from
Ground is in face of building（Structure）It is more advantageous but traditional to build operability, controllability and economy that thing takes measures etc.
The problems such as there is working space and be limited in ground reinforcement measure, environmental pollution and construction disturb residents.
The content of the invention
It is an object of the invention to provide the compound isolation pile and its reinforced construction method that bridge pier is worn in a kind of tunnel side, by
Isolation pile is set around bridge foundation, the stratum under the bridge foundation that isolation pile is enclosed and the stratum beyond enclosing（Newly-built tunnel
Road structure）Isolated, cutting off the soil body plane of fracture caused by excavation will not invade below bridge foundation.
The technical solution adopted in the present invention is：
Wear the compound isolation pile of bridge pier in tunnel side, it is characterised in that：
The compound isolation pile is set in a row between existing bridge pile foundation and bridge bearing platform and newly built tunnels, stretches into newly-built tunnel
Below road bottom, isolation wall construction is formed；
The steel reinforcement cage and injecting cement paste group that compound isolation pile is made up of isolation pile longitudinal reinforcement, shading ring reinforcing bar, positioning spacer bar
Into；Shading ring reinforcing bar is located at axis, and isolation pile longitudinal reinforcement is arranged in shading ring reinforcing bar periphery, the interval of isolation pile longitudinal reinforcement
Between be disposed with positioning spacer bar.
The compound isolation pile is arranged in double blossom type, and 0.6m is spaced between adjacent compound isolation pile, isolates wall thickness
Not less than 1.6m.
The compound isolation pile is in the linear type of existing bridge pile foundation and bridge bearing platform side, L-type, U-shaped or square
Arrangement.
Shading ring reinforcing bar longitudinally arranges a ring for every meter, is welded to connect with isolation pile longitudinal reinforcement and positioning spacer bar.
It is in long annular to position spacer bar, and the straightway of side is connected with shading ring reinforcement welding.
Include more piece in compound isolation pile from top to bottom by isolation pile longitudinal reinforcement, shading ring reinforcing bar, positioning spacer bar
The steel reinforcement cage of composition, respectively connected between section steel reinforcement cage with reinforcing bar connector.
Wear the reinforced construction method of the compound isolation pile of bridge pier in tunnel side, it is characterised in that：
Comprise the following steps：
Step 1：Surveying and locating：
Setting-out is measured between existing bridge pile foundation and bridge bearing platform and newly built tunnels, is sat according to design isolation pile parameter
Mark, mark the earth's surface correspondence position of isolation pile；
Isolation pile is arranged using double quincunx mode, adjacent isolation pile interval 0.6m, is formed isolation wall thickness and is not less than 1.6m；
Step 2：Drilling：
Mounting and positioning device, isolation pile pore-forming equipment use small-sized geological drilling rig, and drilling diameter is slightly larger than isolation pile diameter, use
Pipe-following drilling technique；
Step 3：Isolation pile makes, connects and installed：
The steel reinforcement cage of isolation pile is made up of isolation pile longitudinal reinforcement, shading ring reinforcing bar, positioning spacer bar, and shading ring reinforcing bar is located at
Axis, isolation pile longitudinal reinforcement are arranged in shading ring reinforcing bar periphery, and positioning branch is disposed between the interval of isolation pile longitudinal reinforcement
Support reinforcing bar；Longitudinally every meter of ring and isolation pile longitudinal reinforcement and the positioning spacer bar welding of shading ring reinforcing bar, positions spacer bar
Curve wide 40mm, high 200mm annular；
The steel reinforcement cage of isolation pile often saves long 2m, is connected with reinforcing bar connector, and scene is hung using Simple support frame, and hand fit is just
Position；Often section is slowly fallen into stake holes after slinging, and is ensured that the elevation of support system and perpendicularity are correct by deadweight, is plugged into reinforcing bar
Device is connected firmly；Prevent from reversing during handling, bend, be directed at hole position during installation, hang it is straight help steady, slowly decentralization, collision free hole wall,
Fixed immediately after in place；
Step 4：Slip casting：
After the steel reinforcement cage of isolation pile is in place, prepare slip casting；Slip casting is made up of 3 Grouting Pipes and 1 escape pipe, and every Grouting Pipe goes out
Mouth scope is away from bottom 4m；When Grouting Pipe is vertically installed, the 1st, 3 Grouting Pipe stretches into a bottom, and the 2nd Grouting Pipe is than the 1st, the 3rd
Short 4m；1st Grouting Pipe does not close pipe end, no slurry outlet, other 2 tube ends closings, and when giving the 1st pipe slip casting, the
2nd, the slurry outlet plastic adhesive tape of the 3rd pipe is pasted to isolate slurries, prevents that envelope gambles slurry outlet during slip casting；
Step 5：After slip casting terminates, cut isolation pile and go out above ground portion, construction is completed.
In step 4, slip casting uses compaction grouting, slip casting point 3 times：1st slip casting uses common pressure grouting, grouting pressure
0.4-0.6 MPa, terminate this slip casting, the cement mortar ratio of mud 0.5 when overflowing slurry to aperture：1；2nd slip casting is noted using mesohigh
Slurry, grouting pressure 1.0-1.5MPa, 10-15h is carried out after the completion of the 1st slip casting, the cement mortar ratio of mud 0.75：1；3rd note
Pressure 1.5-2.0 MPa are starched, 5-10h is carried out after the completion of the 2nd slip casting, the cement mortar ratio of mud 0.75：1；All injecting paste materials
Use the general class g cement of silicon 42.5.
The present invention has advantages below：
1st, by setting multiple rows of compound isolation pile around bridge foundation, certain thickness isolation wall construction is formed, is not only reduced
The laxity of pile peripheral earth, controls the frictional resistance of bridge pier to lose, also enters the stratum under bridge foundation and newly built tunnels structure
Row isolation, the soil body plane of fracture is excavated so as to separate.Compound isolation pile rigidity can be according to internal tendon rigidity and injecting paste material etc.
Information summary determines.
2nd, compound isolation pile can also serve as deep hole grouting, by the multiple slip casting in formation of pile, not only form more original
The big many minor diameter pile bodies of ground stiffness layer, while slip casting liquid penetrates into stratum, significantly improves ground after being combined with former foundation soil
The geotechnological index of layer, particularly with the strong stratum of the property noted, after slip casting liquid penetrates into solidification, stratum has the change of matter.When
When slip casting formation at target locations is located at Bridge Pile bottom, stake bottom bearing capacity can be greatly improved.
3rd, the deformation of the minor diameter pile body that compound isolation pile is formed layer over the ground is more sensitive, when stratum produces less change
After shape, you can with stratum cooperation, can tension, resistance to compression, shearing resistance, antitorque, bending resistance simultaneously, the material property of pile body is more easy to send out
Wave.
4th, the spacing of compound isolation pile, quantity and arrangement form can be according to tunnels with building（Structure）Build the relative pass between thing
System, underground utilities situation and ground surrounding enviroment situation are adjusted, while have isolation pile and sleeve valve barrel grouting double action concurrently,
Slip casting tube opening depth in compound isolation pile is controllable, slip casting can be oriented to the soil layer of certain depth scope, after slip casting
Stratum improves clearly, reliably, it can be ensured that tunnel safety, which passes through, to be built（Structure）Build thing.
Brief description of the drawings
Fig. 1 is that isolation pile reinforces schematic diagram.
Fig. 2 is isolation pile drawing.
Fig. 3 is positioning spacer bar drawing.
In figure, 1- bridge bearing platforms, 2- bridge pile foundations, 3- newly built tunnels, 4- isolation piles, 5- isolation pile longitudinal reinforcements, 6- every
From ring reinforcing bar, 7- positioning spacer bars, 8- Grouting Pipes, 9- escape pipes.
Embodiment
With reference to embodiment, the present invention will be described in detail.
It is that double isolation is set between existing bridge pier and tunnel the present invention relates to the compound isolation pile that bridge pier is worn in tunnel side
The technical scheme of stake, stake bottom gos deep into tunnel bottom certain distance, by the Grouting Pipe that is set in isolation pile to soil body certain depth
Scope interior orientation slip casting, thicker divider wall building enclosure is formed, so as to reduce the laxity of a surrounding soil, controls bridge
The frictional resistance loss of stake.
The compound isolation pile is set in a row between existing bridge pile foundation 2 and bridge bearing platform 1 and newly built tunnels 3, is stretched
Enter below the bottom of newly built tunnels 3, form isolation wall construction.Bridge pile foundation 2 and bridge bearing platform 1 can represent other various foundation class
Type, structural shape.Newly built tunnels 3 can be shape of a hoof Tunneling by mining method, circular shield tunnel or rectangle open trench tunnel.
The steel reinforcement cage and note that compound isolation pile is made up of isolation pile longitudinal reinforcement 5, shading ring reinforcing bar 6, positioning spacer bar 7
Slurry forms；Shading ring reinforcing bar 6 is located at axis, and isolation pile longitudinal reinforcement 5 is arranged in the periphery of shading ring reinforcing bar 6, isolation pile longitudinal direction
Positioning spacer bar 7 is disposed between the interval of reinforcing bar 5.
The compound isolation pile is arranged in double blossom type, and 0.6m is spaced between adjacent compound isolation pile, isolates wall thickness
Not less than 1.6m.The compound isolation pile is in the linear type of existing bridge pile foundation 2 and the side of bridge bearing platform 1, L-type, U-shaped or four
Square is arranged.Compound isolation pile bottom gos deep into the bottom of newly built tunnels 3 and is generally higher than 2m to ensure isolation effect.
Every meter of the longitudinal direction of shading ring reinforcing bar 6 one ring of arrangement, is welded to connect with isolation pile longitudinal reinforcement 5 and positioning spacer bar 7.
It is in long annular to position spacer bar 7, and straightway and the shading ring reinforcing bar 6 of side are welded to connect.In compound isolation pile from upper and
Include the steel reinforcement cage that more piece is made up of isolation pile longitudinal reinforcement 5, shading ring reinforcing bar 6, positioning spacer bar 7 down, respectively save steel reinforcement cage
Between with reinforcing bar connector connect.
The reinforced construction method of the compound isolation pile of bridge pier is worn in above-mentioned tunnel side, comprises the following steps：
Step 1：Surveying and locating：
In existing bridge pile foundation 2 and bridge bearing platform 1（Or other existing constructions of structures）Measure and put between newly built tunnels 3
Sample, according to isolation pile parameter coordinate is designed, mark the earth's surface correspondence position of isolation pile 4；
Isolation pile 4 arranges that adjacent isolation pile 4 is spaced 0.6m using double quincunx mode, forms isolation wall thickness and is not less than
1.6m；
Step 2：Drilling：
Mounting and positioning device, isolation pile pore-forming equipment use small-sized geological drilling rig, and drilling diameter is slightly larger than the diameter of isolation pile 4, adopted
With pipe-following drilling technique；
Step 3：Isolation pile 4 makes, connects and installed：
The steel reinforcement cage of isolation pile 4 is made up of isolation pile longitudinal reinforcement 5, shading ring reinforcing bar 6, positioning spacer bar 7, shading ring reinforcing bar
6 are located at axis, and isolation pile longitudinal reinforcement 5 is arranged in the periphery of shading ring reinforcing bar 6, arranged between the interval of isolation pile longitudinal reinforcement 5
There is positioning spacer bar 7；The every meter of ring in longitudinal direction of shading ring reinforcing bar 6 welds with isolation pile longitudinal reinforcement 5 and positioning spacer bar 7,
Positioning spacer bar 7 curves wide 40mm, high 200mm annular；
The steel reinforcement cage of isolation pile 4 often saves long 2m, is connected with reinforcing bar connector, and scene is hung using Simple support frame, hand fit
In place；Often section is slowly fallen into stake holes after slinging, and is ensured that the elevation of support system and perpendicularity are correct by deadweight, is connect with reinforcing bar
Device is refuted to be connected firmly；Prevent from reversing during handling, bend, be directed at hole position during installation, hang and straight help steady, slowly decentralization, collision free hole
Wall, fixed immediately after in place；
Step 4：Slip casting：
After the steel reinforcement cage of isolation pile 4 is in place, prepare slip casting；Slip casting is made up of 3 Grouting Pipes 8 and 1 escape pipe 9, every slip casting
Pipe output range is away from bottom 4m；When Grouting Pipe is vertically installed, the 1st, 3 Grouting Pipe 8 stretches into a bottom, the 2nd Grouting Pipe 8 to the 1,
3rd short 4m；1st Grouting Pipe 8 does not close pipe end, no slurry outlet, other 2 tube end closings, and gives the 1st pipe slip casting
When, the slurry outlet plastic adhesive tape of the 2nd, the 3rd pipe is pasted to isolate slurries, prevents that envelope gambles slurry outlet during slip casting；
Slip casting uses compaction grouting, slip casting point 3 times：1st slip casting uses common pressure grouting, grouting pressure 0.4-0.6 MPa, to hole
Mouth overflows terminates this slip casting, the cement mortar ratio of mud 0.5 when starching：1；2nd slip casting uses middle-high pressure grouting, grouting pressure 1.0-
1.5MPa, 10-15h is carried out after the completion of the 1st slip casting, the cement mortar ratio of mud 0.75：1；3rd grouting pressure 1.5-2.0
MPa, 5-10h is carried out after the completion of the 2nd slip casting, the cement mortar ratio of mud 0.75：1；All injecting paste materials use general silicon 42.5
Class g cement；
Step 5：After slip casting terminates, cut isolation pile 8 and go out above ground portion, construction is completed.
Present disclosure is not limited to cited by embodiment, and those of ordinary skill in the art are by reading description of the invention
And any equivalent conversion taken technical solution of the present invention, it is that claim of the invention is covered.
Claims (8)
1. the compound isolation pile of bridge pier is worn in tunnel side, it is characterised in that：
The compound isolation pile is set in a row in existing bridge pile foundation（2）And bridge bearing platform（1）With newly built tunnels（3）Between,
Stretch into newly built tunnels（3）Below bottom, isolation wall construction is formed；
Compound isolation pile is by isolation pile longitudinal reinforcement（5）, shading ring reinforcing bar（6）, positioning spacer bar（7）The steel reinforcement cage of composition and
Injecting cement paste forms；Shading ring reinforcing bar（6）Positioned at axis, isolation pile longitudinal reinforcement（5）It is arranged in shading ring reinforcing bar（6）Periphery, every
From stake longitudinal reinforcement（5）Interval between be disposed with positioning spacer bar（7）.
2. the compound isolation pile of bridge pier is worn in tunnel side according to claim 1, it is characterised in that：
The compound isolation pile is arranged in double blossom type, and 0.6m is spaced between adjacent compound isolation pile, and isolation wall thickness is not small
In 1.6m.
3. the compound isolation pile of bridge pier is worn in tunnel side according to claim 1, it is characterised in that：
The compound isolation pile is in existing bridge pile foundation（2）And bridge bearing platform（1）It is the linear type in side, L-type, U-shaped or cubic
Type is arranged.
4. the compound isolation pile of bridge pier is worn in tunnel side according to claim 1, it is characterised in that：
Shading ring reinforcing bar（6）Every meter of longitudinal direction one ring of arrangement, with isolation pile longitudinal reinforcement（5）With positioning spacer bar（7）Welding connects
Connect.
5. the compound isolation pile of bridge pier is worn in tunnel side according to claim 4, it is characterised in that：
Position spacer bar（7）In long annular, straightway and the shading ring reinforcing bar of side（6）It is welded to connect.
6. the compound isolation pile of bridge pier is worn in tunnel side according to claim 1, it is characterised in that：
Include more piece in compound isolation pile from top to bottom by isolation pile longitudinal reinforcement（5）, shading ring reinforcing bar（6）, positioning supporting steel
Muscle（7）The steel reinforcement cage of composition, respectively connected between section steel reinforcement cage with reinforcing bar connector.
7. the reinforced construction method of the compound isolation pile of bridge pier is worn in tunnel side, it is characterised in that：
Comprise the following steps：
Step 1：Surveying and locating：
In existing bridge pile foundation（2）And bridge bearing platform（1）With newly built tunnels（3）Between measure setting-out, according to design every
From stake parameter coordinate, isolation pile is marked（4）Earth's surface correspondence position；
Isolation pile（4）Arranged using double quincunx mode, adjacent isolation pile（4）0.6m is spaced, it is not small to form isolation wall thickness
In 1.6m；
Step 2：Drilling：
Mounting and positioning device, isolation pile pore-forming equipment use small-sized geological drilling rig, and drilling diameter is slightly larger than isolation pile（4）Diameter,
Using pipe-following drilling technique；
Step 3：Isolation pile（4）Make, connect and install：
Isolation pile（4）Steel reinforcement cage by isolation pile longitudinal reinforcement（5）, shading ring reinforcing bar（6）, positioning spacer bar（7）Composition, every
From ring reinforcing bar（6）Positioned at axis, isolation pile longitudinal reinforcement（5）It is arranged in shading ring reinforcing bar（6）Periphery, isolation pile longitudinal reinforcement
（5）Interval between be disposed with positioning spacer bar（7）；Shading ring reinforcing bar（6）Every meter of a longitudinal direction ring and isolation pile longitudinal reinforcement
（5）And positioning spacer bar（7）Welding, position spacer bar（7）Curve wide 40mm, high 200mm annular；
Isolation pile（4）Steel reinforcement cage often save long 2m, with reinforcing bar connector connect, scene hung using Simple support frame, manually match somebody with somebody
Close in place；Often section is slowly fallen into stake holes after slinging, and is ensured that the elevation of support system and perpendicularity are correct by deadweight, is used reinforcing bar
Connector is connected firmly；Prevent from reversing during handling, bend, be directed at hole position during installation, hang and straight help steady, slowly decentralization, collision free
Hole wall, fixed immediately after in place；
Step 4：Slip casting：
Isolation pile（4）Steel reinforcement cage it is in place after, prepare slip casting；Slip casting is by 3 Grouting Pipes（8）And 1 escape pipe（9）Composition, often
Root Grouting Pipe output range is away from bottom 4m；When Grouting Pipe is vertically installed, the 1st, 3 Grouting Pipe（8）Stretch into a bottom, the 2nd slip casting
Pipe（8）Than the 1st, the 3rd short 4m；1st Grouting Pipe（8）Pipe end, no slurry outlet are not closed, other 2 tube ends are closed, and
During to the 1st pipe slip casting, the slurry outlet plastic adhesive tape of the 2nd, the 3rd pipe is pasted to isolate slurries, prevents that envelope is gambled out during slip casting
Starch hole；
Step 5：After slip casting terminates, isolation pile is cut（8）Go out above ground portion, construction is completed.
8. the reinforced construction method of the compound isolation pile of bridge pier is worn in tunnel side according to claim 7, it is characterised in that：
In step 4, slip casting uses compaction grouting, slip casting point 3 times：1st slip casting uses common pressure grouting, grouting pressure 0.4-0.6
MPa, terminate this slip casting, the cement mortar ratio of mud 0.5 when overflowing slurry to aperture：1；2nd slip casting uses middle-high pressure grouting, slip casting
Pressure 1.0-1.5MPa, 10-15h is carried out after the completion of the 1st slip casting, the cement mortar ratio of mud 0.75：1；3rd grouting pressure
1.5-2.0 MPa, 5-10h is carried out after the completion of the 2nd slip casting, the cement mortar ratio of mud 0.75：1；All injecting paste materials use
The general class g cement of silicon 42.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710691818.6A CN107386274A (en) | 2017-08-14 | 2017-08-14 | Wear the compound isolation pile and its reinforced construction method of bridge pier in tunnel side |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710691818.6A CN107386274A (en) | 2017-08-14 | 2017-08-14 | Wear the compound isolation pile and its reinforced construction method of bridge pier in tunnel side |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107386274A true CN107386274A (en) | 2017-11-24 |
Family
ID=60355648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710691818.6A Pending CN107386274A (en) | 2017-08-14 | 2017-08-14 | Wear the compound isolation pile and its reinforced construction method of bridge pier in tunnel side |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108049888A (en) * | 2018-01-16 | 2018-05-18 | 西南交通大学 | It is a kind of for the tunnel structure in metro shield section and stratum consolidation method |
| CN109083132A (en) * | 2018-07-24 | 2018-12-25 | 北京隧盾市政建设有限公司 | A kind of Composite Bolt stake and its construction technology |
| CN109898539A (en) * | 2019-04-15 | 2019-06-18 | 中恒工程设计院有限公司 | A kind of positional structure of bridge pile foundation and subway tunnel |
| CN110939127A (en) * | 2019-11-28 | 2020-03-31 | 中建四局土木工程有限公司 | Steel pipe pile construction method for protecting subway pier |
| WO2020224233A1 (en) * | 2019-05-05 | 2020-11-12 | 济南轨道交通集团有限公司 | Construction method for shield tunnels passing underneath viaduct in multi-interval, small-clear-distance and overlapping manner |
| CN111997097A (en) * | 2020-09-03 | 2020-11-27 | 西南交通大学 | Composite isolation pile for tunnel side-through house and reinforcing construction method thereof |
| CN112228081A (en) * | 2020-10-24 | 2021-01-15 | 中铁一局集团有限公司 | Method for reinforcing pile foundation of shield tunnel side-through high-speed rail viaduct |
| CN113309108A (en) * | 2021-04-14 | 2021-08-27 | 武汉市市政建设集团有限公司 | Isolation pile with servo grouting function and construction method thereof |
| CN113338274A (en) * | 2021-06-01 | 2021-09-03 | 中铁十八局集团有限公司 | Anchor rod pile locator is built to underground space |
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| CN101565955A (en) * | 2009-06-01 | 2009-10-28 | 北京科技大学 | Micro-stress shelter pile foundation strengthening method |
| CN102031795A (en) * | 2010-06-12 | 2011-04-27 | 中铁十六局集团有限公司 | Short pile reinforcing technology in narrow space |
| CN103114611A (en) * | 2013-03-01 | 2013-05-22 | 同济大学 | Multistage cut-off method for underpass high-speed rail bridge opening deformation |
| CN203891008U (en) * | 2014-05-27 | 2014-10-22 | 中铁十九局集团轨道交通工程有限公司 | Miniature isolation pile |
| CN207109805U (en) * | 2017-08-14 | 2018-03-16 | 中铁第一勘察设计院集团有限公司 | Wear the compound isolation pile of bridge pier in a kind of tunnel side |
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| CN101565955A (en) * | 2009-06-01 | 2009-10-28 | 北京科技大学 | Micro-stress shelter pile foundation strengthening method |
| CN102031795A (en) * | 2010-06-12 | 2011-04-27 | 中铁十六局集团有限公司 | Short pile reinforcing technology in narrow space |
| CN103114611A (en) * | 2013-03-01 | 2013-05-22 | 同济大学 | Multistage cut-off method for underpass high-speed rail bridge opening deformation |
| CN203891008U (en) * | 2014-05-27 | 2014-10-22 | 中铁十九局集团轨道交通工程有限公司 | Miniature isolation pile |
| CN207109805U (en) * | 2017-08-14 | 2018-03-16 | 中铁第一勘察设计院集团有限公司 | Wear the compound isolation pile of bridge pier in a kind of tunnel side |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108049888A (en) * | 2018-01-16 | 2018-05-18 | 西南交通大学 | It is a kind of for the tunnel structure in metro shield section and stratum consolidation method |
| CN109083132A (en) * | 2018-07-24 | 2018-12-25 | 北京隧盾市政建设有限公司 | A kind of Composite Bolt stake and its construction technology |
| CN109898539A (en) * | 2019-04-15 | 2019-06-18 | 中恒工程设计院有限公司 | A kind of positional structure of bridge pile foundation and subway tunnel |
| WO2020224233A1 (en) * | 2019-05-05 | 2020-11-12 | 济南轨道交通集团有限公司 | Construction method for shield tunnels passing underneath viaduct in multi-interval, small-clear-distance and overlapping manner |
| CN110939127A (en) * | 2019-11-28 | 2020-03-31 | 中建四局土木工程有限公司 | Steel pipe pile construction method for protecting subway pier |
| CN111997097A (en) * | 2020-09-03 | 2020-11-27 | 西南交通大学 | Composite isolation pile for tunnel side-through house and reinforcing construction method thereof |
| CN112228081A (en) * | 2020-10-24 | 2021-01-15 | 中铁一局集团有限公司 | Method for reinforcing pile foundation of shield tunnel side-through high-speed rail viaduct |
| CN113309108A (en) * | 2021-04-14 | 2021-08-27 | 武汉市市政建设集团有限公司 | Isolation pile with servo grouting function and construction method thereof |
| CN113338274A (en) * | 2021-06-01 | 2021-09-03 | 中铁十八局集团有限公司 | Anchor rod pile locator is built to underground space |
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