CN105256848B - Coordinating and controllable soil digging and slant rectifying method in roadway - Google Patents
Coordinating and controllable soil digging and slant rectifying method in roadway Download PDFInfo
- Publication number
- CN105256848B CN105256848B CN201510582430.3A CN201510582430A CN105256848B CN 105256848 B CN105256848 B CN 105256848B CN 201510582430 A CN201510582430 A CN 201510582430A CN 105256848 B CN105256848 B CN 105256848B
- Authority
- CN
- China
- Prior art keywords
- soil digging
- anchor cable
- digging
- soil
- building
- 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.)
- Active
Links
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a coordinating and controllable soil digging and slant rectifying method in a roadway. The method comprises the following steps that (1) vertical shafts are dug in the sides where sedimentation amount is low in a bypassed mode; (2) anchor cable fixation construction is conducted; (3) a stress applying system and a stress measuring system are installed on an anchor cable; (4) the multiple vertical shafts are selected for digging a horizontal roadway; (5) horizontal soil digging operation is conducted in the vertical shafts where the horizontal roadway is not dug yet, and soil digging holes are distributed in a radial model; (6) horizontal soil digging is conducted in the horizontal roadway, and soil digging holes are distributed horizontally; (7) the anchor cable is subjected to graded loading and tensioning through a hydraulic jack, and in this way, slant rectifying is conducted on a building or a structure; (8) before slant rectifying reaches the standard, stress continues to be applied to the anchor cable, or soil digging operation continues to be conducted in the horizontal roadway; and (9) after slant rectifying is finished, the soil digging holes in the vertical shafts, the soil digging holes in the horizontal roadway and the vertical shafts are backfilled. According to the coordinating and controllable soil digging and slant rectifying method in the roadway, the soil digging amount is high, the success rate is high, the soil digging holes are short, an elevator shaft or a sewage disposal pit can not be encountered, and differential settlement is avoided.
Description
Technical field
The present invention relates to rectification technical field is built, it is more particularly to a kind of to coordinate soil digging inclination correction method in controllable tunnel.
Background technology
Often make to build due to reconnoitring error, designing the reasons such as inferior improper, construction quality, working service and natural calamity
(structure) builds the defect phenomenons such as thing uneven subsidence, run-off the straight, warpage, cracking, sinking.Additionally, underground space development, deep basal pit
Excavation also often makes to close on ground buildings or structures uneven subsidence, causes the disease of the phenomenons such as ground buildings or structures cracking, inclination
Evil, these diseases the lighter affects normally using for buildings or structures, makes its forfeiture use function, or even collapse when serious,
Cause heavy economic losses and casualties.
The buildings or structures rectification righting of China is started late with the anti-reinforcement technique that inclines again, but is developed during the last ten years recently
Comparatively fast, new technology, new method and the new technology of many rectification and reinforcement of building are emerged.Large quantities of dangerous buildings or structures are saved, has been
Country avoids serious economic loss.
At present, buildings or structures inclination correction method has more than 30 kinds, and Shallow Digging method is one of which, is built (structure) in inclination
Under building the basis inner or outer side substrate of thing, using artificial or mechanical horizontal digging, reduce substrate support area.On top
Under the effect of load gravity pressure, new differential settlement is produced, to reach rectification purpose.But this inclination correction method still has many limitations
Property.On the one hand, the planar dimension of vertical shaft is limited, the working space of substrate soil digging is only provided, so the machine drilling in vertical shaft
Quantity be also limited, cause soil digging amount limited, present buildings or structures are all mostly that main building and annex connect together,
Soil digging amount does not reach less the effect of rectification, carrying out after " point well, in batches, every hole, jack " soil digging, if basis do not occur it is micro-
Little deflection, the position that rig soil digging has not drilled, whole rectification process just have failed, and waste substantial amounts of manpower, thing
Power and time, finally also to spend human and material resources to backfill drilling and vertical shaft again, to prevent buildings or structures from collapsing weight is caused
Major break down.On the other hand, the method rectification is used, in order that buildings or structures produce new sedimentation, new balance is reached, drilling is just
Certain length is needed to reach the requirement of soil digging amount, drilling is long to be easy to encounter elevator or sewage disposal hole, and
Drilling is long also to be made drill bit drill in the soil body to have certain sag of chain, it is difficult to ensure that all of horizontal digging hole is in a water
In plane.Not in a plane, basis is impossible to uniform sinking in horizontal digging hole, is susceptible to " prominent heavy " phenomenon or basis
There is new uneven subsidence, produced differential settlement can cause the new crack of buildings or structures.
The content of the invention
The present invention proposes horizontal digging inclination correction method in a kind of controllable shallow-layer tunnel of coordination, solves prior art
Rectification mode soil digging amount is limited, and success rate is uncontrollable, and drilling is long easily to encounter the underground such as elevator part, and easily occurs
Differential settlement and heavy defect of dashing forward.
The technical scheme is that what is be achieved in that：
It is a kind of to coordinate soil digging inclination correction method in controllable tunnel, it is characterised in that to comprise the following steps：
(1), the excavating shaft by the few side of inclined building or structure sedimentation, 1.7m under shaft depths to basis～
2.0m, formation is available for the working space of substrate soil digging；
(2) heeling moment, according to building or structures, basic and foundation soil strength, calculate the quantity for laying anchor cable
With single anchor cable stress, the design aperture and length according to anchor cable, carry out on the basis of building or the few side of structure sedimentation
Anchor cable construction, anchor cable must pass through basis and go deep in ground good ground；
(3), after cement mortar reaches design strength in anchor cable hole, the outer anchor head of anchor cable on building or structure base
Place's erection stress sensor, hydraulic jack and locking device, by anchor cable, hydraulic jack and coupled electric oil pump structure
Into afterburner system, dynamometric system is constituted by the oil pressure gauge arranged on strain gauge and electric oil pump；
(4), according to the characteristics of inclined building or the unidirectional inclination of structures or inclined in two-way, if targetedly selecting
Dry shaft excavation entry, formation is available for the space of horizontal digging operation；
(5) horizontal digging operation, is carried out in the vertical shaft for do not excavate entry, horizontal digging " every well, should divide in vertical shaft
Criticize, jump hole " carry out, and strengthen the settlement observation and declivity observation of inclined building or structures, soil digging hole is radial cloth
Put, the length in soil digging hole is advisable with ensureing that drill bit does not occur larger sag of chain；
(6), after horizontal digging operation is fully completed in vertical shaft, beginning is drawn in entry by the inner level that carries out outward
Soil, and strengthen the settlement observation and declivity observation of inclined building or structures, when there is slight dip amount on basis, should be immediately
Stop soil digging operation, into anchor cable applying step；
(7), according to the feedback of horizontal digging amount and dynamometric system metrical information in entry, by hydraulic jack pair
Anchor cable carries out loaded and tensioned stage by stage, while recording the reading of oil pressure gauge and strain gauge, check and correction applies pressure size, in real time prison
The inclination of control building or structures and sedimentation situation, timely feedback information；
(8), according to feedack, when building or structures time incline reaches predetermined rectification target, should stop immediately
Only anchor cable pressurization；When building or structures return the amount of inclining is not up to predetermined rectification target, and anchor cable now also not up to sets
When meter applies pressure, there can be two ways, one is to continue with applying pressure, monitor in real time inclined building or structures to anchor cable
Inclination and sedimentation situation；Two is to carry out horizontal digging again in entry, if sedimentation is changed significantly, anchor cable
Suo Libi loses, and can continue to carry out ftercompction to anchor cable；
(9) after, reaching the predeterminated target of rectification, anchor cable is locked, reaches anti-purpose of inclining again, and to the soil digging in vertical shaft
Soil digging hole and vertical shaft in hole, entry is with being backfilled.
Further, a diameter of 1.2m～1.6m of the entry, is easy to personnel to enter drilling soil digging.
Further, the aperture in the soil digging hole in the soil digging hole and entry in the vertical shaft is 0.09m～0.3m.
Further, concrete guard wall is provided with the inwall of the vertical shaft, be additionally provided with the vertical shaft upper and lower staircase and
Lighting device.
Beneficial effects of the present invention：
Soil digging method in the employing entry of the invention, changes the method that conventional level bores soil digging, opens
Entry is dug, entry can allow people to enter drilling soil digging, and the inwall along entry can bore substantial amounts of level
Soil digging hole, considerably increases the quantity in soil digging hole, and soil digging amount is big, so as to can guarantee that the success of building or inclined building correcting；Cause
Quantity for soil digging hole is more, and soil digging amount is secure, it is possible to shorten the length in soil digging hole, prevents soil digging hole long easily
Encounter elevator or sewage disposal hole, in addition soil digging hole is long can also make drill bit sagging in boring procedure, make soil digging hole not
In a plane, not in a plane, basis is impossible to uniform sinking in soil digging hole, is susceptible to " prominent heavy " phenomenon or base
There is new uneven subsidence in plinth, and produced differential settlement can cause the new crack of buildings or structures.In addition combined with
Anchor cable force method, according to the feedback of horizontal digging amount and dynamometric system metrical information in entry, by hydraulic jack
Loaded and tensioned stage by stage is carried out to anchor cable, while recording the reading of oil pressure gauge and strain gauge, check and correction applies pressure size, in real time
The inclination of monitoring building or structures and sedimentation situation, so as to reach accurate, controllable rectification effect.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of principle schematic for coordinating soil digging inclination correction method in controllable tunnel of the present invention；
Fig. 2 is the sectional view of line A-A in Fig. 1.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
With reference to Fig. 1-2, soil digging inclination correction method in a kind of controllable tunnel of coordination, it is characterised in that comprise the following steps：
(1), in inclined building or the few side excavating shaft 2 of side 11 of the sedimentation of structures 1, the depth of vertical shaft 2 to the 3 times 1.7m in basis
～2.0m, formation is available for the working space of substrate soil digging；
(2) heeling moment, according to building or structures 1, basis 3 and foundation soil strength, calculate the number for laying anchor cable 4
Amount and the stress of single anchor cable 4, the design aperture and length according to anchor cable 4, on the basis of building or the few side 11 of the sedimentation of structures 1
On carry out anchor cable 4 and construct, anchor cable 4 through basis 3 and must go deep in ground good ground；
(3), after cement mortar reaches design strength in anchor cable hole, outside anchor cable 4 on building or the basis 3 of structures 1
Erection stress sensor 5, hydraulic jack 6 and locking device at anchor head, by anchor cable 4, hydraulic jack 6 and coupled electricity
Dynamic oil pump constitutes afterburner system, and by the oil pressure gauge arranged on strain gauge 5 and electric oil pump dynamometric system is constituted；
(4), according to the characteristics of inclined building or the unidirectional inclination of structures 1 or inclined in two-way, targetedly select
Some vertical shafts 1 excavate entry 7, and formation is available for the space of horizontal digging operation；
(5), carry out horizontal digging operation not excavating in the vertical shaft 2 of entry 7, in vertical shaft 2 horizontal digging should " every
Well, in batches, jump hole " carry out, and strengthen the settlement observation and declivity observation of inclined building or structures 1, soil digging in vertical shaft
Hole 21 is radial arrangement, and the length in soil digging hole 21 is advisable with ensureing that drill bit does not occur larger sag of chain；
(6), after horizontal digging operation is fully completed in vertical shaft 2, start to carry out level outward by inner in entry 7
Soil digging, and strengthen the settlement observation and declivity observation of inclined building or structures 1, when there is slight dip amount on basis 3, should
Stop soil digging operation immediately, into the applying step of anchor cable 4；
(7), according to the feedback of horizontal digging amount and dynamometric system metrical information in entry 7, by hydraulic jack 6
Loaded and tensioned stage by stage is carried out to anchor cable 4, while recording the reading of oil pressure gauge and strain gauge 5, check and correction applies pressure size, real
When monitor inclination and the sedimentation situation of building or structures 1, timely feedback information；
(8), according to feedack, when building or structures incline for 1 time reaches predetermined rectification target, should stop immediately
Only anchor cable 4 pressurizes；When 1 time amount of inclining of building or structures is not up to predetermined rectification target, and anchor cable 4 now is also not up to
When design applies pressure, there can be two ways, one is to continue with applying pressure, monitor in real time inclined building or structure to anchor cable 4
Build inclination and the sedimentation situation of thing 1；Two is to carry out horizontal digging again in entry 7, if sedimentation has significantly change
Change, the Suo Libi of anchor cable 4 losses can continue to carry out ftercompction to anchor cable 4；
(9) after, reaching the predeterminated target of rectification, anchor cable 4 is locked, reaches anti-purpose of inclining again, and to the soil digging in vertical shaft
Soil digging hole 71 and vertical shaft 2 are with being backfilled in hole 21, entry.
Preferably, a diameter of 1.2m～1.6m of the entry 7, is easy to personnel to enter drilling soil digging.
Preferably, the aperture in the soil digging hole 71 in the soil digging hole 21 and entry 7 in the vertical shaft 2 be 0.09m～
0.3m。
Preferably, it is provided with the inwall of the vertical shaft 2 in concrete guard wall, the vertical shaft 2 and is additionally provided with upper and lower staircase
And lighting device.Upper and lower, the setting convenient construction of lighting device of the setting convenient construction personnel of upper and lower staircase.
Presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (4)
1. it is a kind of to coordinate soil digging inclination correction method in controllable tunnel, it is characterised in that to comprise the following steps：
（1）, by the few side of inclined building or structure sedimentation excavating shaft, 1.7m～2.0m under shaft depths to basis,
Formation is available for the working space of substrate soil digging；
（2）, heeling moment according to building or structures, basis and foundation soil strength, calculate the quantity and list for laying anchor cable
Root anchor cable stress, the design aperture and length according to anchor cable carries out anchor cable on the basis of building or the few side of structure sedimentation
Construction, anchor cable must pass through basis and go deep in ground good ground；
（3）, after cement mortar reaches design strength in anchor cable hole, fill at the outer anchor head of anchor cable on the building or structure base
With strain gauge, hydraulic jack and locking device, it is made up of anchor cable, hydraulic jack and coupled electric oil pump and is added
Force system, by the oil pressure gauge arranged on strain gauge and electric oil pump dynamometric system is constituted；
（4）, unidirectionally inclined according to inclined building or structures or the characteristics of inclined in two-way, targetedly select some perpendicular
Well excavates entry, and formation is available for the space of horizontal digging operation；
（5）, carry out in the vertical shaft for do not excavate entry horizontal digging operation, in vertical shaft horizontal digging should " every well, in batches,
Jump hole " carry out, and strengthen the settlement observation and declivity observation of inclined building or structures, soil digging hole is radial arrangement,
The length in soil digging hole should ensure that drill bit does not occur larger sag of chain and is advisable；
（6）, after horizontal digging operation is fully completed in vertical shaft, beginning carry out horizontal digging outward by inner in entry,
And strengthen the settlement observation and declivity observation of inclined building or structures, when there is slight dip amount on basis, should stop immediately
Only soil digging operation, into anchor cable applying step；
（7）, according to the feedback of horizontal digging amount and dynamometric system metrical information in entry, by hydraulic jack to anchor cable
Loaded and tensioned stage by stage is carried out, while recording the reading of oil pressure gauge and strain gauge, check and correction applies pressure size, and monitor in real time is built
Build inclination and the sedimentation situation of thing or structures, timely feedback information；
（8）, according to feedack, when building or structures return incline reach predetermined rectification target when, should immediately stop anchor
Rope pressurizes；When building or structures return the amount of inclining is not up to predetermined rectification target, and anchor cable now is also not up to design and applies
During plus-pressure, there is a two ways, one is to continue with applying anchor cable pressure, the inclination of monitor in real time inclined building or structures and
Sedimentation situation；Two is to carry out horizontal digging again in entry, if sedimentation is changed significantly, anchor cable force must be damaged
Lose, continuation carries out ftercompction to anchor cable；
（9）, reach after the predeterminated target of rectification, anchor cable is locked, reach anti-purpose of inclining again, and to soil digging hole, the water in vertical shaft
Soil digging hole and vertical shaft in gallery road is backfilled.
2. soil digging inclination correction method in controllable tunnel is coordinated as claimed in claim 1, it is characterised in that：The entry
A diameter of 1.2m～1.6m, is easy to personnel to enter drilling soil digging.
3. soil digging inclination correction method in controllable tunnel is coordinated as claimed in claim 1, it is characterised in that：In the vertical shaft
The aperture in the soil digging hole in soil digging hole and entry is 0.09m～0.3m.
4. soil digging inclination correction method in controllable tunnel is coordinated as claimed in claim 1, it is characterised in that：The inwall of the vertical shaft
On be provided with concrete guard wall, upper and lower staircase and lighting device are additionally provided with the vertical shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510582430.3A CN105256848B (en) | 2015-09-11 | 2015-09-11 | Coordinating and controllable soil digging and slant rectifying method in roadway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510582430.3A CN105256848B (en) | 2015-09-11 | 2015-09-11 | Coordinating and controllable soil digging and slant rectifying method in roadway |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105256848A CN105256848A (en) | 2016-01-20 |
| CN105256848B true CN105256848B (en) | 2017-05-10 |
Family
ID=55096752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510582430.3A Active CN105256848B (en) | 2015-09-11 | 2015-09-11 | Coordinating and controllable soil digging and slant rectifying method in roadway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105256848B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108867724A (en) * | 2018-09-20 | 2018-11-23 | 中铁西北科学研究院有限公司 | A kind of inclination correction method based on well shape tunnel boring extracting soil |
| CN114809133B (en) * | 2022-04-13 | 2023-10-27 | 南京工业大学 | Device and method for repairing inclination deflection of retaining wall by using decompression principle |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10235950A1 (en) * | 2002-08-06 | 2004-02-19 | Gudehus, Gerd, Prof. Dr.-Ing. | Ground movement compensation method for protection of structures, uses computer-optimized arrangement and sequence to force in ground material using screws in mainly horizontal bores starting from shafts |
| CN101787717B (en) * | 2010-03-13 | 2011-09-14 | 中铁西北科学研究院有限公司 | Controllable accurate combined inclination correction method |
| CN101864779A (en) * | 2010-06-29 | 2010-10-20 | 天津建岩岩土工程有限公司 | Building deep soil excavating rectification method |
-
2015
- 2015-09-11 CN CN201510582430.3A patent/CN105256848B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105256848A (en) | 2016-01-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102277867B (en) | Construction method for collapsible loess foundation | |
| CN105840207B (en) | Construction method for comprehensive tunnel entering structure of large-span tunnel penetrating shallow-buried bias-pressure loose accumulation body | |
| CN102943466B (en) | Construction method for miniature steel pipe concrete pile to penetrate through roadbed layer for reinforcing soft foundation construction | |
| CN102828518B (en) | Construction method for manual hole digging support pile prestress anchor cable anchoring structure | |
| CN103321260B (en) | Interval boring cuts stake inclination correction method | |
| CN105155602B (en) | A kind of many fulcrums foundation stabilization synthesis inclination correction method | |
| CN108343102A (en) | Jacking leveling structure and its construction method are reinforced in a kind of sedimentation of pile foundation | |
| JP5243669B1 (en) | Method of tilting structure and improving ground | |
| CN106812150A (en) | A kind of mountain area steep slope region Road Bridge Pile Foundation construction method | |
| DK2700750T3 (en) | Pile FOR OFFSHORE STRUCTURES AND METHOD FOR CONSTRUCTION OF A pile FOR OFFSHORE STRUCTURES | |
| CN106812153A (en) | Beam and slab type construction elevator foundation construction engineering method in a kind of backfill | |
| CN108385715A (en) | A kind of assembled stake arch combination retaining wall and its construction method | |
| CN107503683A (en) | The embedding lithotype rig gantry type drill bit device of long spire | |
| CN104695458A (en) | Construction method of deep stirring and jet grouting compound pile waterproof curtain | |
| CN105256848B (en) | Coordinating and controllable soil digging and slant rectifying method in roadway | |
| Zhou et al. | Foundation reinforcement and deviation rectification of the leaning pagoda of Dinglin Temple, China | |
| CN106149745A (en) | A kind of truss type steel tube grouting pile basis and construction method thereof | |
| CN113863706A (en) | Construction method and application device of low-clearance lower jet grouting static pressure composite pile of existing building | |
| CN205576957U (en) | Stake end pilework | |
| CN105370306B (en) | The massif tunnel excavation construction method of vertical pre-reinforcement processing | |
| CN103806444A (en) | Soft soil layer rotary excavating pile construction method | |
| CN208996052U (en) | The drilling tool of supporting construction and use that foundation pit anchor wall draws anchor supporting to be formed | |
| CN106120833A (en) | A kind of underground truss-like pile foundation and construction method thereof | |
| CN108914947A (en) | Foundation pit anchor wall draws the construction method of anchor supporting and its supporting construction of drilling tool and formation | |
| CN212336070U (en) | Karst foundation variable-rigidity primary-secondary pile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |