CN102535515A - Supporting device and supporting method for working well - Google Patents
Supporting device and supporting method for working well Download PDFInfo
- Publication number
- CN102535515A CN102535515A CN2012100182284A CN201210018228A CN102535515A CN 102535515 A CN102535515 A CN 102535515A CN 2012100182284 A CN2012100182284 A CN 2012100182284A CN 201210018228 A CN201210018228 A CN 201210018228A CN 102535515 A CN102535515 A CN 102535515A
- Authority
- CN
- China
- Prior art keywords
- suspension device
- active well
- prop
- backplate
- well
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 30
- 239000002689 soil Substances 0.000 claims abstract description 36
- 239000000725 suspension Substances 0.000 claims description 57
- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 230000015572 biosynthetic process Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 8
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims 1
- -1 polyethylene Polymers 0.000 claims 1
- 229920000573 polyethylene Polymers 0.000 claims 1
- ZMRUPTIKESYGQW-UHFFFAOYSA-N propranolol hydrochloride Chemical compound [H+].[Cl-].C1=CC=C2C(OCC(O)CNC(C)C)=CC=CC2=C1 ZMRUPTIKESYGQW-UHFFFAOYSA-N 0.000 claims 1
- 238000009412 basement excavation Methods 0.000 description 10
- 238000010276 construction Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000009975 flexible effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000011378 shotcrete Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Bulkheads Adapted To Foundation Construction (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention provides a supporting device and a supporting method for a working well. The supporting device comprises a plurality of supporting bodies which are connected end to end; and any two adjacent supporting bodies are fixed together through a first connecting piece, so as to form an integral body capable of being attached to the side wall of the soil body of the working well. The supporting device and the supporting method for the working well have the advantage that the supporting bodies are arranged to form the spiral tube-shaped integral body, and part supporting can be realized by excavating part of the soil body during support mounting, so that work efficiency is remarkably improved.
Description
Technical field
The present invention relates to the underground pipeline laying technology, relate in particular to a kind of suspension device and supporting method of active well.
Background technology
At present; Trenchless technology is all adopted in the laying of City Buried Pipeline and transformation etc.; Trenchless technology is meant through means such as guiding, directional drillings, under the situation of the face of land minimum part excavation active well, lays, changes and repair the construction technique of various underground utilities; Therefore surface drying is disturbed for a short time over the ground, has higher social economic effect.
Behind the excavation active well; In order to guarantee construction safety; Usually will carry out supporting to the soil body sidewall of active well, existing a kind of supporting method is the support pattern that adopts combined bolting and shotcrete and steel concrete stake to go along with sb. to guard him, and it is specially: the first floor excavation is carried out in the earthwork of active well; At the soil body sidewall that digs steel grating is installed, is hung steel mesh reinforcement, sprayed mortar; Again second layer excavation is carried out in the earthwork of active well; Repeat work such as above-mentioned installation steel grating and injection, accomplish until the supporting of whole active well.
The support pattern construction technology of above-mentioned active well is complicated, loaded down with trivial details, the construction period is long, and supporting and protection structure is disposable input, after pipe laying is accomplished; When active well is filled and led up, simultaneously supporting and protection structure is embedded in undergroundly, can not reuses; Influence the normal use of the underground space, and cost is high.
Another kind of supporting method is to utilize pile driver that steel sheet pile is pressed into the continuous board wall of underground formation; Supporting and protection structure when excavating as active well; Though this support pattern can be realized the recycling of supporting and protection structure through extracting steel sheet pile; Has limitation but use, to the soft or hard degree proposition higher requirement of soil; Need in the piling process simultaneously to use large-scale manipulator, vibrating hammer and pile driver etc., the occupied ground space is big, and flexible property is poor; On the other hand, steel sheet pile is in removal process, because the vibration effect and the pile pulling band soil of pile pulling too much can cause surface settlement and displacement, brings harm for the underground structure of having constructed, and the safety of contiguous existing building thing of influence or underground utilities.
Summary of the invention
The present invention provides a kind of suspension device and supporting method of active well, to solve defective of the prior art, reduces construction cost, improves installation effectiveness.
The invention provides a kind of suspension device of active well; Wherein, This suspension device is formed by the multistage prop is end to end, and every adjacent two sections props that join fix through first connector, and formation can paste the integral body that is supported on the spiral tubular on the active well soil body sidewall.
The present invention also provides a kind of supporting method of active well, through suspension device active well is carried out supporting, and wherein, this suspension device is made up of the multistage prop, and every adjacent two sections props that join fix through first connector, and this method may further comprise the steps:
Step a, first section prop is adjacent to the soil body sidewall that forms the part active well fixes, form the topmost of suspension device;
Step b, continuation excacation well; Second section prop is adjacent to the soil body sidewall that forms the part active well to be docked with first section backplate formation head and the tail; And through first connector two sections props are connected to a fixed, so that two sections props are fixedly connected from beginning to end;
Step c, repeating step a and step b excavate completion until active well, and make the multistage prop end to end, form the whole suspension device of the spiral tubular that pastes the soil body sidewall that is supported on active well.
The suspension device of active well provided by the invention and supporting method are through spiral helicine suspension device is set, when carrying out the supporting installation; Dig a part of soil body and can carry out the part supporting, operating efficiency significantly improves, and shoveling is not limited by soil body soft or hard; Reduced the use of large-scale apparatus, simultaneously, laid and after pipeline is accomplished suspension device is dismantled; Suspension device can be recycled, and has reduced construction cost.
Description of drawings
The suspension device overall structure sketch map of the active well that Fig. 1 provides for the embodiment of the invention.
The suspension device partial structurtes sketch map one of the active well that Fig. 2 provides for the embodiment of the invention.
The suspension device partial structurtes sketch map two of the active well that Fig. 3 provides for the embodiment of the invention.
The supporting method flow chart of the active well that Fig. 4 provides for the embodiment of the invention.
1-props up backplate; The 2-intensive aspect; 3-first connector;
4-second connector.
The specific embodiment
The suspension device overall structure sketch map of the active well that Fig. 1 provides for the embodiment of the invention; The suspension device partial structurtes sketch map two of the active well that the suspension device partial structurtes sketch map one of the active well that Fig. 2 provides for the embodiment of the invention, Fig. 3 provide for the embodiment of the invention.The embodiment of the invention provides a kind of suspension device; Shown in Fig. 1-3, wherein, this suspension device is formed by the multistage prop is end to end; Every adjacent two sections props that join fix through first connector, and formation can paste the integral body that is supported on the spiral tubular on the active well soil body sidewall.
In the prior art, normally dig out certain altitude the earthwork after, spray anchor work, efficient is low; The suspension device that the embodiment of the invention provides has then overcome above-mentioned defective, as long as dig out the soil of the ccontaining one section prop of ability, one section prop can be installed, after two sections props are installed; Through first connector 3 that two sections props are end to end, and the like, the multistage prop is installed; Thereby form the whole suspension device of a spiral tubular, its secure, bearing capacity is strong; And use this device can realize that carrying out supporting while cutting the earth installs, with digging with protecting, technology is simple, easy to operate.
For making above-mentioned suspension device more firm, globality is stronger, can on prop, fixedly install second connector 4, and is as shown in Figure 3, so that the multistage prop is fixedly connected along spiral tube depth direction.
On the basis of the foregoing description, the structure of prop has multiple mode to realize, it can only be made up of intensive aspect, also can be realized by the combining structure that has intensive aspect, below enumerates a kind of enforcement and describes:
This prop can be made up of the backplate 1 that multistage has an intensive aspect 2, and this intensive aspect 2 is fixedly installed on along the length direction of a backplate 1 and props up on the backplate 1; Intensive aspect 2 on every adjacent two sections backplates 1 is connected to a fixed through first connector 3 and realizes that multistage props up backplate 1 and is fixedly connected from beginning to end successively, forms the integral body of spiral tubular, as shown in Figures 2 and 3.Equally, can adopt connection fastener that second connector 4 is buckled on the intensive aspect 2, be fixedly connected along active well depth direction multistage is propped up backplate 1.The installation of this second connector 4 can be propped up in the process of backplate 1 and carry out at any time in that multistage is installed, and also can behind the whole suspension device of installation, carry out.
Preferably, a backplate 1 can adopt common steel plate or other novel high-strength material, and like the PE material, to alleviate the weight of supporting and protection structure, intensive aspect 2 can adopt steel pipe commonly used.
In practical application, because suspension device tubular in the shape of a spiral, first connector 3 can adopt common curved steel tube or arch steel, thus can with intensive aspect 2 the tightr of applying when being connected that match; Second connector 4 can be selected straight steel pipe or straight reinforcing bar for use.
The supporting method flow chart of the active well that Fig. 4 provides for the embodiment of the invention; The embodiment of the invention also provides a kind of supporting method of active well; Through suspension device active well is carried out supporting, please be simultaneously referring to figs. 1 through Fig. 3, suspension device is formed by the multistage prop is end to end; Every adjacent two sections props that join fix through first connector 3, and this supporting method comprises the steps:
Step a, first section prop is adjacent to the soil body sidewall that forms the part active well installs and fixes, form the topmost of suspension device;
Step b, continuation excacation well; Second section prop is adjacent to the soil body sidewall that forms the part active well to be docked with first section prop formation head and the tail; And through first connector 3 two sections props are connected to a fixed, so that two sections props are fixedly connected from beginning to end;
Step c, repeating step a and step b excavate completion until active well, and make the multistage prop end to end, form the whole suspension device of the spiral tubular that pastes the soil body sidewall that is supported on active well.
Before above-mentioned steps a, can earlier intensive aspect 2 be fixed on the backplate 1, form a total member, implement follow-up supporting step again.
Before cutting the earth; Set up computation model according to relevant parameters employing finite element software ANYSYS such as the size of soil body actual conditions and backplate 1 and intensive aspect 2 designs and materials; According to relevant tecnical regulations, a backplate 1 and intensive aspect 2 are carried out inner forces calculation analysis, resistance to overturning checking computations, disposable excavation from the analysis of steady height and supporting and protection structure and the calculating of sidewall friction power etc.The feasibility of supporting and protection structure, the correctness of supporting and protection structure material type selecting and the maximum height of the disposable excavation soil body etc. have been proved theoretically earlier.
The excavation of the soil body can adopt hand excavation and mechanical equivalent of light excavation, confirms according to the space, place at scene, the size and the construction period of active well.Mechanical equivalent of light excavation is mainly excavated core soil, and the manual amendment sidewall soil body is with the compactness that guarantees that suspension device and sidewall are fitted.
For making above-mentioned suspension device more firm, globality is stronger, and this method can also comprise: a plurality of second connectors 4 of fixed installation on above-mentioned prop, and as shown in Figure 3.
On the basis of the foregoing description, the structure of prop can be made up of a backplate that has intensive aspect 2, and intensive aspect 2 is along the length direction setting of a backplate 1, and it can be fixing through welding on a backplate 1; Intensive aspect 2 can be steel pipe or reinforcing bar, and quantity can be one or more, and then above-mentioned supporting method is specially:
Step a ', first section backplate 1 is adjacent to the soil body sidewall that forms the part active well installs and fixes, form the topmost of suspension device;
Step b ', continuation excacation well; Second section backplate 1 is adjacent to the soil body sidewall that forms the part active well to be docked with first section backplate, 1 formation head and the tail; And through first connector 3 intensive aspects 2 on two sections backplates 1 are connected to a fixed, so that two sections backplates 1 head and the tail are fixedly connected;
Step c ', repeating step a ' and step b ' excavate completion until active well, and it are end to end to make multistage prop up backplate 1, form the whole suspension device of the spiral tubular that pastes the soil body sidewall that is supported on active well.
After the suspension device installation, the characteristics unstable according to its helical form depth direction will be fixed processing to a backplate 1 of bottom, to guarantee the whole steadiness of supporting and protection structure, therefore after forming spiral helicine whole suspension device, also comprise the steps:
Final stage is propped up the bottom that intensive aspect 2 tail ends on the backplate 1 are fixed on active well.
Further; After laying the pipeline completion; Said method also comprises the step of active well being carried out backfill, and the dismounting of this suspension device is propped up backplate for elder generation from the final stage bottom the active well and begun, and the well of removing a part backplate is carried out backfill; And the dismounting and the backfill step of backplate hocket, and all remove and the soil body is backfilling into the top through well until all backplates.
Through successively removing, the mode of successively banketing guarantees that the active well sidewall is in stable state all the time.
The suspension device of the active well that the embodiment of the invention provides and supporting method through the suspension device of spiral tubular is set, adopt the progressively mounting means of a backplate; Dig a part of soil body and can carry out the part supporting, operating efficiency significantly improves, simultaneously; Through the dismounting bottom-up to suspension device; When guaranteeing soil body stability, suspension device can be recycled, and has reduced construction cost.
What should explain at last is: above embodiment is only in order to explaining technical scheme of the present invention, but not to its restriction; Although with reference to previous embodiment the present invention has been carried out detailed explanation, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the scope of the essence disengaging various embodiments of the present invention technical scheme of relevant art scheme.
Claims (10)
1. the suspension device of an active well; It is characterized in that; This suspension device is formed by the multistage prop is end to end, and every adjacent two sections props that join fix through first connector, and formation can paste the integral body that is supported on the spiral tubular on the active well soil body sidewall.
2. the suspension device of active well according to claim 1 is characterized in that, on said prop, is set with second connector, can the multistage prop be fixedly connected along spiral tube depth direction.
3. the suspension device of active well according to claim 1 and 2 is characterized in that, said prop is made up of the backplate that multistage has intensive aspect, and said intensive aspect is fixedly installed on said the backplate along the length direction of said backplate.
4. active well suspension device according to claim 3 is characterized in that, said backplate is steel plate or polyethylene board; Said intensive aspect is a steel pipe.
5. the suspension device of active well according to claim 3 is characterized in that, said first connector is curved steel tube or arch steel; Said second connector is straight steel pipe or straight reinforcing bar.
6. the supporting method of an active well; Through suspension device active well is carried out supporting, it is characterized in that, this suspension device is formed by the multistage prop is end to end; Every adjacent two sections props that join fix through first connector, and said supporting method may further comprise the steps:
Step a, first section prop is adjacent to the soil body sidewall that forms the part active well fixes, form the topmost of suspension device;
Step b, continuation excacation well; Second section prop is adjacent to the soil body sidewall that forms the part active well to be docked with first section prop formation head and the tail; And through first connector two sections props are connected to a fixed, so that two sections props are fixedly connected from beginning to end;
Step c, repeating step a and step b excavate completion until active well, and make the multistage prop end to end, form the whole suspension device of the spiral tubular that pastes the soil body sidewall that is supported on active well.
7. the supporting method of active well according to claim 6 is characterized in that, also comprises:
A plurality of second connectors of fixed installation are fixedly connected to form said suspension device with the multistage prop along active well depth direction on said intensive aspect.
8. according to the supporting method of claim 6 or 7 described active wells, it is characterized in that said prop is made up of the backplate that multistage has intensive aspect, this method specifically comprises:
Step a ', first section backplate is adjacent to the soil body sidewall that forms the part active well fixes, form the topmost of suspension device;
Step b ', continuation excacation well; Second section backplate is adjacent to the soil body sidewall that forms the part active well to be docked with first section backplate formation head and the tail; And through first connector intensive aspects on two sections backplates are connected to a fixed, so that two sections backplates are fixedly connected from beginning to end;
Step c ', repeating step a ' and step b ' excavate completion until active well, and it are end to end to make multistage prop up backplate, form the whole suspension device of the spiral tubular that pastes the soil body sidewall that is supported on active well.
9. according to the supporting method of claim 6 or 7 described active wells, it is characterized in that, also comprise: after forming spiral helicine whole suspension device, the tail end of final stage prop is fixed on the bottom of active well.
10. according to the supporting method of claim 6 or 7 described active wells; It is characterized in that; Also comprise the step of removing suspension device and active well being carried out backfill, and the dismounting of said suspension device begins for propping up backplate from the final stage of active well bottom earlier, and the well of removing a part backplate is carried out backfill; And the dismounting and the backfill step of backplate hocket, and all remove and the soil body is backfilling into the top through well until all backplates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210018228.4A CN102535515B (en) | 2012-01-19 | 2012-01-19 | Supporting device and supporting method for working well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210018228.4A CN102535515B (en) | 2012-01-19 | 2012-01-19 | Supporting device and supporting method for working well |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102535515A true CN102535515A (en) | 2012-07-04 |
| CN102535515B CN102535515B (en) | 2014-03-19 |
Family
ID=46343420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210018228.4A Expired - Fee Related CN102535515B (en) | 2012-01-19 | 2012-01-19 | Supporting device and supporting method for working well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102535515B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110671114A (en) * | 2019-11-01 | 2020-01-10 | 中国地质大学（北京） | Recovery type circular shaft supporting device and method |
| CN116043921A (en) * | 2023-03-13 | 2023-05-02 | 中交上海航道局有限公司 | Construction method for steel-concrete combined structure retaining wall of water supply and drainage top pipe well |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07317092A (en) * | 1994-05-24 | 1995-12-05 | Tadashi Suzuki | Manhole for underground structure |
| CN2318263Y (en) * | 1997-08-08 | 1999-05-12 | 肖俊义 | Assembly combined sinking pipe |
| JP2005036565A (en) * | 2003-07-17 | 2005-02-10 | Sekisui Chem Co Ltd | Man-hole regenerative method for regenerative pipe |
| CN1880591A (en) * | 2005-06-14 | 2006-12-20 | 上海久隆电力（集团）有限公司 | Precast splice type cable manhole and construction method therefor |
| CN101113594A (en) * | 2006-07-24 | 2008-01-30 | 上海市基础工程公司 | Prefabricated electrical cable active well |
| CN101251335A (en) * | 2008-04-01 | 2008-08-27 | 武汉钢铁(集团)公司 | Method for placing converter liner with helix mode |
| KR20100096958A (en) * | 2009-02-25 | 2010-09-02 | 유성석 | Manhole of sewer pipe |
| CN202482892U (en) * | 2012-01-19 | 2012-10-10 | 北京隆科兴非开挖工程有限公司 | Supporting device of working well |
-
2012
- 2012-01-19 CN CN201210018228.4A patent/CN102535515B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07317092A (en) * | 1994-05-24 | 1995-12-05 | Tadashi Suzuki | Manhole for underground structure |
| CN2318263Y (en) * | 1997-08-08 | 1999-05-12 | 肖俊义 | Assembly combined sinking pipe |
| JP2005036565A (en) * | 2003-07-17 | 2005-02-10 | Sekisui Chem Co Ltd | Man-hole regenerative method for regenerative pipe |
| CN1880591A (en) * | 2005-06-14 | 2006-12-20 | 上海久隆电力（集团）有限公司 | Precast splice type cable manhole and construction method therefor |
| CN101113594A (en) * | 2006-07-24 | 2008-01-30 | 上海市基础工程公司 | Prefabricated electrical cable active well |
| CN101251335A (en) * | 2008-04-01 | 2008-08-27 | 武汉钢铁(集团)公司 | Method for placing converter liner with helix mode |
| KR20100096958A (en) * | 2009-02-25 | 2010-09-02 | 유성석 | Manhole of sewer pipe |
| CN202482892U (en) * | 2012-01-19 | 2012-10-10 | 北京隆科兴非开挖工程有限公司 | Supporting device of working well |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110671114A (en) * | 2019-11-01 | 2020-01-10 | 中国地质大学（北京） | Recovery type circular shaft supporting device and method |
| CN110671114B (en) * | 2019-11-01 | 2024-05-03 | 中国地质大学（北京） | Recovery type round vertical shaft supporting device and method |
| CN116043921A (en) * | 2023-03-13 | 2023-05-02 | 中交上海航道局有限公司 | Construction method for steel-concrete combined structure retaining wall of water supply and drainage top pipe well |
| CN116043921B (en) * | 2023-03-13 | 2024-07-16 | 中交上海航道局有限公司 | Construction method for steel-concrete combined structure retaining wall of water supply and drainage top pipe well |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102535515B (en) | 2014-03-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105421463B (en) | Longitudinal excavation construction method of long-span dense-support super-long deep foundation pit | |
| GB2519270B (en) | Stepwise repeated de-stabilisation and stabilisation of highly collapsible soil by 'soil nailing technique' for construction of railway/road underpass | |
| CN105626077A (en) | Support device for work well | |
| JP5781574B2 (en) | Starting reaction device for open shield machine | |
| CN105156123B (en) | A kind of open type shield excavation machine and its application method | |
| CN102535515B (en) | Supporting device and supporting method for working well | |
| JP6460712B2 (en) | Construction method of underground continuous wall | |
| JP5351125B2 (en) | Open shield machine start method of open shield method | |
| CN202482892U (en) | Supporting device of working well | |
| KR100923290B1 (en) | Abutment structure of bridge | |
| CN201874008U (en) | Discontinuous concrete grouting pile and wall structure | |
| CN209798815U (en) | It can dismantle cantilever type retaining wall to imitate sideslip prevention by force | |
| JP7177233B2 (en) | Start Reaction Force Structure and Method for Concrete Box or Open Shield Machine | |
| CN202000360U (en) | Equipment for side slope supporting construction | |
| CN102587388B (en) | PRM foundation pit supporting method | |
| CN202610808U (en) | Foundation pit supporting structure with combined actions of covering, anchoring and side blocking | |
| JP6947477B2 (en) | How to advance the open shield machine | |
| CN203846517U (en) | Vertical anchor bolt supporting structure | |
| JP5639213B2 (en) | Open shield method | |
| JP6592331B2 (en) | Survey method of circumferential shield machine | |
| JP2017089105A (en) | Integrated structure of pipe roof material | |
| JP2010255200A (en) | Protective dam body and method for constructing the same | |
| CN103899332A (en) | Subway double-line tunnel lining structure manufactured through cut and cover method | |
| JP6715164B2 (en) | Pipe roof construction method | |
| CN105735324B (en) | The platform disassembly method of steel sheet pile supporting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: XIA SHUJUN Free format text: FORMER OWNER: BEIJING LONGKEXIN TRENCHLESS ENGINEERING CO., LTD. Effective date: 20130923 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100195 HAIDIAN, BEIJING TO: 100036 HAIDIAN, BEIJING |
|
| TA01 | Transfer of patent application right |
Effective date of registration: 20130923 Address after: 100036 Beijing city Haidian District Lane North (building 23) lanhome center four Applicant after: Xia Shujun Address before: No. 8 Beijing City District 100195 Haidian District city Sijiqing road 718 Applicant before: BEIJING LONGKEXING TRENCHLESS ENGINEERING Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING CHUANGYAN JIAHE TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: NIE SHUJUN Effective date: 20150122 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100036 HAIDIAN, BEIJING TO: CHAOYANG, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150122 Address after: Beijing City, Chaoyang District Cui Bei Gao Ge Zhuang Xiang Lin Village No. 17 Patentee after: BEIJING CHUANGYANJIAHE TECHNOLOGY Co.,Ltd. Address before: 100036 Beijing city Haidian District Lane North (building 23) lanhome center four Patentee before: Nie Shujun |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140319 |