CN103321212A - One-column-one-pile post inserting method construction process - Google Patents
One-column-one-pile post inserting method construction process Download PDFInfo
- Publication number
- CN103321212A CN103321212A CN2013101989416A CN201310198941A CN103321212A CN 103321212 A CN103321212 A CN 103321212A CN 2013101989416 A CN2013101989416 A CN 2013101989416A CN 201310198941 A CN201310198941 A CN 201310198941A CN 103321212 A CN103321212 A CN 103321212A
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- pipe column
- correcting device
- verticality
- column
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000010276 construction Methods 0.000 title claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 131
- 239000010959 steel Substances 0.000 claims abstract description 131
- 238000013461 design Methods 0.000 claims abstract description 19
- 238000004140 cleaning Methods 0.000 claims abstract description 8
- 238000012546 transfer Methods 0.000 claims description 15
- 238000005516 engineering process Methods 0.000 claims description 7
- 238000007569 slipcasting Methods 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000005553 drilling Methods 0.000 abstract 1
- 239000002699 waste material Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 13
- 238000009412 basement excavation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Landscapes
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention relates to a one-column-one-pile post inserting method construction process. The one-column-one-pile post inserting method construction process comprises the steps of 1) removing a drilling machine and cleaning a drill orifice; 2) mounting a guiding and deviation correcting device inside a pile casing; 3) mounting a hydraulic straightening device; 4) hoisting and placing a steel pipe column inside the drill orifice and centering the position; 5) limiting the steel pipe column through a guiding and deviation correcting device, utilizing two layers of hoops to lay the steel pipe column down onto a bottom concrete surface; 6) adjusting the verticality of the steel pipe column; 7) laying the steel pipe column down to a design depth; 8) measuring the verticality of the steel pipe column again; 9) fixing the steel pipe column at the drill orifice and removing straightening racks; 10) cutting off tool pipes and lower tremies, pouring concrete to a design height; and 11)backfilling and grouting the drill orifice. The one-column-one-pile post inserting method construction process can effectively reduce the operative difficulty and improve the straightening precision and efficiency; a lower bearing pile and the upper steel pipe column are constructed synchronously, the time can be effectively saved, the construction efficiency can be improved and the waste of high-grade concrete due to the replacement of low-grade concrete under the steel pipe column and at deep-buried positions can be avoided, so that the concrete costs can be effectively saved.
Description
Technical field
The present invention relates to a kind of by the construction technology of intubate straightener to a post one pile driving construction middle and upper part steel pipe column insertion, vertical adjustment.
Background technology
Along with the development in city, the situation of shortage of land resource is day by day remarkable.For ensureing the maximization of construction land tenure utilization rate, often do cap excavation method as working measure take contrary, be about to basement roof as digging machine job platform and placing of material place.Dig in the contrary sequence method foundation pit construction as saving cost at lid, with the use that unites two into one of support system stand column pile and structural column, namely the steel post on stand column pile top does not cut off, and structure is returned when building and done the use of permanent structure post at steel post outer wrapping steel concrete.
One post, one pile construction verticality requires more high than general support system stand column pile, especially super dark, the super large foundation ditch of the nearly 30m of the excavation of foundation pit degree of depth, the verticality of design General Requirements steel post is controlled at 1/500-1/600, how to guarantee the insertion verticality of steel post, reduce since the vertical missing of later stage steel post cause must exceed standard to enlarge by the structural column diameter and satisfy the vertical bearing capacity requirement.Still lack at present a kind of rationally efficiently job practices, can insert efficiently steel post certain depth in the lower support stake, can guarantee that again the verticality of steel post reaches designing requirement, and compliance rate is lower.Conventional ground straightening frame vertical adjustment method is time-consuming, effort, verticality control poor effect and steel post off normal are general.
Summary of the invention
The present invention will solve the technical problem that existing steel pipe column construction precision of a post is low, efficiency of construction low, spillage of material is larger, and provides one on an a kind of post to insert afterwards the method construction technology.
For achieving the above object, the present invention is achieved by the following technical solutions:
One on an a kind of post is inserted the method construction technology afterwards, the steps include:
1) removes rig, the cleaning aperture
After lower support stake pouring is finished, remove rig, the cleaning aperture, and at aperture periphery laying steel plate;
2) guide deviation-correcting device is installed in casing
The fourth officer guide deviation-correcting device is installed in the long steel casing of 6m, and guide deviation-correcting device becomes to be arranged vertically and fixation;
3) the hydraulic pressure straightening equipment is installed
After installing guide deviation-correcting device, the hydraulic pressure straightening equipment is installed, base and the top main frame of hydraulic pressure straightening equipment lifted at twice, after the location whole hydraulic pressure straightening equipment is carried out leveling, centering respectively;
4) handling steel pipe column is in position, straightening frame aperture centering
With loop wheel machine steel pipe column is carried out handling, above straightening frame, slowly transfer to position, straightening frame aperture after steadily and adjust steel pipe column centering until steel pipe column;
5) spacing by guide deviation-correcting device, utilize two-layer anchor ear that steel pipe column is transferred to bottom concrete face
Steel pipe column is adjusted after position centering transfers, and the Hydraulic Deviation-correcting Device on the Mobile steel casing makes Hydraulic Deviation-correcting Device hold steel pipe column tightly, fixes to carry out spacingly with the stroke to steel pipe column, and mobile up and down two-layer anchor ear transfers steel pipe column to bottom concrete face; Steel pipe column is transferred in the process, installs two absorption type inclinometers at steel pipe column shaft diverse location;
6) adjust the steel pipe column verticality
Steel pipe column is transferred to the concrete face, utilizes inclinometer and anchor ear, guide deviation-correcting device to correct the steel pipe column off normal, thereby adjusts steel pipe column to designing verticality;
7) steel pipe column is transferred to projected depth;
Fix guide deviation-correcting device after the verticality and the steel pipe column stroke is carried out spacing thereby be adjusted to design at steel pipe column, utilize anchor ear according to existing route steel pipe column to be transferred to projected depth;
8) again measure the steel pipe column verticality;
After steel pipe column is transferred to projected depth, again measure the steel pipe column verticality by inclinometer, guarantee that the steel pipe column verticality meets designing requirement; If verticality is excessive, then continues to be adjusted to by guide deviation-correcting device and anchor ear and meet the requirements;
9) the steel pipe column aperture is fixed, and removes straightening frame
Center, stake position, steel pipe column verticality, steel pipe column transfer the degree of depth all meet the design and code requirement after, the steel pipe column aperture is fixed, then remove straightening frame;
10) cut off tool pipe, downcomer, pouring concrete to design height
Transfer the conduit of corresponding caliber in the steel pipe column, utilize the dried method of watering to water to design height in the concrete of the design grade conduit by corresponding caliber;
11) stake hole backfill, slip casting
After the initial set of steel pipe column inner concrete, in the situation that the steel pipe column both sides are not producing the even backfill sandstone of disturbance to the aperture to steel pipe column by artificial, backfill is closely knit partly carries out slip casting to peripheral backfill afterwards.
The invention has the beneficial effects as follows: the present invention is by improvement and optimization to straightening equipment of an original post and construction process, effectively improved equipment to spacing, guiding, the straightening effect of steel pipe column, make whole steel pipe column straightening flow process simple and direct, convenient, and can with a post one pile bearing stake synchronous construction, the limitation condition of a post one pile driving construction has weakened, improve the utilization ratio of equipment, thereby improved greatly efficient and the precision of a steel pipe column construction of a post, saved construction cost.
Description of drawings
Fig. 1 is aperture cleaning, laying steel plate schematic diagram;
Fig. 2 installs the guide deviation-correcting device schematic diagram;
Fig. 3 is that straightening frame base and top main frame hang and the centering leveling schematic diagram;
Wherein: being that the straightening frame base hangs and the centering leveling schematic diagram (a), (b) is that the top main frame hangs the splicing schematic diagram, (c) hydraulic pressure straightening equipment leveling, centering schematic diagram;
Fig. 4 is that steel pipe column hangs the centering schematic diagram;
Fig. 5 utilizes deviation correcting device spacing, and steel pipe column is transferred to concrete face schematic diagram;
Fig. 6 adjusts steel pipe column verticality schematic diagram;
Fig. 7 is that steel pipe column is inserted into projected depth vertical adjustment schematic diagram;
Fig. 8 is that the straightening frame schematic diagram is fixed, removed in the steel pipe column aperture;
Fig. 9 is the complete schematic diagram of concrete casting;
Figure 10 is a hole backfill schematic diagram.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing and embodiment.
To shown in Figure 10, one on a post of the present invention is inserted the method construction technology afterwards such as Fig. 1, and its construction sequence is:
1) removes rig, the cleaning aperture
After lower support stake pouring is finished, remove rig, the cleaning aperture, and at aperture periphery laying steel plate 1, see Fig. 1;
2) guide deviation-correcting device is installed in casing
Fourth officer guide deviation-correcting device 2 is installed in the long steel casing of 6m, and guide deviation-correcting device becomes to be arranged vertically and fixation, sees Fig. 2;
3) install HDC hydraulic pressure straightening equipment, location, leveling, centering
As shown in Figure 3, after installing guide deviation-correcting device, install HDC hydraulic pressure straightening equipment, HDC hydraulic pressure straightening equipment with base 3(Fig. 3 a) and top main frame 4 lift at twice (Fig. 3 b), respectively the location after whole equipment is carried out leveling, centering (Fig. 3 c);
4) handling steel pipe column is in position, straightening frame aperture centering
The choose reasonable loop wheel machine carries out handling to steel pipe column 5, above straightening frame, slowly transfers to position, straightening frame aperture after steadily and adjusts steel pipe column centering until steel pipe column, sees Fig. 4;
5) spacing by guide deviation-correcting device, utilize two-layer anchor ear that steel pipe column is transferred to bottom concrete face;
Steel pipe column 5 is adjusted after position centering transfers, and the Hydraulic Deviation-correcting Device 2 on the Mobile steel casing makes Hydraulic Deviation-correcting Device 2 hold steel pipe column 5 tightly.Fix and carry out spacingly with the stroke to steel pipe column 5, mobile up and down two-layer anchor ear transfers steel pipe column 5 to bottom concrete face; Steel pipe column 5 is transferred in the process, installs two absorption type inclinometers 6 at steel pipe column shaft diverse location, sees Fig. 5;
6) adjust the steel pipe column verticality
Steel pipe column 5 is transferred to the concrete face, utilizes inclinometer 6 and anchor ear 7, guide deviation-correcting device 2 to correct steel pipe column 5 off normals, thereby adjusts steel pipe column 5 to the design verticality, sees Fig. 6;
7) steel pipe column is transferred to projected depth
Fix guide deviation-correcting device 2 after the verticality and steel pipe column 5 strokes are carried out spacing thereby be adjusted to design at steel pipe column 5, utilize anchor ear according to existing route steel pipe column 5 to be transferred to projected depth, see Fig. 7;
8) again measure the steel pipe column verticality
After steel pipe column is transferred to projected depth, again measure the steel pipe column verticality by inclinometer 6, guarantee that the steel pipe column verticality meets designing requirement; If verticality is excessive, then continues to be adjusted to by guide deviation-correcting device 2 and anchor ear 7 and meet the requirements;
9) the steel pipe column aperture is fixed, and removes straightening frame
Center, stake position, steel pipe column verticality, steel pipe column transfer the degree of depth all meet the design and code requirement after, the steel pipe column aperture is fixed, then remove straightening frame, see Fig. 8;
10) cut off tool pipe, downcomer, pouring concrete to design height
Transfer the conduit of corresponding caliber in the steel pipe column, utilize the dried method of watering to water to design height in the concrete of the design grade conduit by corresponding caliber, see Fig. 9;
11) stake hole backfill, slip casting;
After the initial set of steel pipe column inner concrete, in the situation that slip casting to peripheral backfill is partly carried out steel pipe column not being produced the even backfill sandstone of disturbance to the aperture after backfill is closely knit by artificial in the steel pipe column both sides, see Figure 10.
Claims (1)
1. one on a post is inserted the method construction technology afterwards, it is characterized in that, the steps include:
1) removes rig, the cleaning aperture
After lower support stake pouring is finished, remove rig, the cleaning aperture, and at aperture periphery laying steel plate;
2) guide deviation-correcting device is installed in casing
The fourth officer guide deviation-correcting device is installed in the long steel casing of 6m, and guide deviation-correcting device becomes to be arranged vertically and fixation;
3) the hydraulic pressure straightening equipment is installed
After installing guide deviation-correcting device, the hydraulic pressure straightening equipment is installed, base and the top main frame of hydraulic pressure straightening equipment lifted at twice, after the location whole hydraulic pressure straightening equipment is carried out leveling, centering respectively;
4) handling steel pipe column is in position, straightening frame aperture centering
With loop wheel machine steel pipe column is carried out handling, above straightening frame, slowly transfer to position, straightening frame aperture after steadily and adjust steel pipe column centering until steel pipe column;
5) spacing by guide deviation-correcting device, utilize two-layer anchor ear that steel pipe column is transferred to bottom concrete face
Steel pipe column is adjusted after position centering transfers, and the Hydraulic Deviation-correcting Device on the Mobile steel casing makes Hydraulic Deviation-correcting Device hold steel pipe column tightly, fixes to carry out spacingly with the stroke to steel pipe column, and mobile up and down two-layer anchor ear transfers steel pipe column to bottom concrete face; Steel pipe column is transferred in the process, installs two absorption type inclinometers at steel pipe column shaft diverse location;
6) adjust the steel pipe column verticality;
Steel pipe column is transferred to the concrete face, utilizes inclinometer and anchor ear, guide deviation-correcting device to correct the steel pipe column off normal, thereby adjusts steel pipe column to designing verticality;
7) steel pipe column is transferred to projected depth;
Fix guide deviation-correcting device after the verticality and the steel pipe column stroke is carried out spacing thereby be adjusted to design at steel pipe column, utilize anchor ear according to existing route steel pipe column to be transferred to projected depth;
8) again measure the steel pipe column verticality;
After steel pipe column is transferred to projected depth, again measure the steel pipe column verticality by inclinometer, guarantee that the steel pipe column verticality meets designing requirement; If verticality is excessive, then continues to be adjusted to by guide deviation-correcting device and anchor ear and meet the requirements;
9) the steel pipe column aperture is fixed, and removes straightening frame
Center, stake position, steel pipe column verticality, steel pipe column transfer the degree of depth all meet the design and code requirement after, the steel pipe column aperture is fixed, then remove straightening frame;
10) cut off tool pipe, downcomer, pouring concrete to design height
Transfer the conduit of corresponding caliber in the steel pipe column, utilize the dried method of watering to water to design height in the concrete of the design grade conduit by corresponding caliber;
11) stake hole backfill, slip casting
After the initial set of steel pipe column inner concrete, in the situation that the steel pipe column both sides are not producing the even backfill sandstone of disturbance to the aperture to steel pipe column by artificial, backfill is closely knit partly carries out slip casting to peripheral backfill afterwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101989416A CN103321212A (en) | 2013-05-27 | 2013-05-27 | One-column-one-pile post inserting method construction process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101989416A CN103321212A (en) | 2013-05-27 | 2013-05-27 | One-column-one-pile post inserting method construction process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103321212A true CN103321212A (en) | 2013-09-25 |
Family
ID=49190236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101989416A Pending CN103321212A (en) | 2013-05-27 | 2013-05-27 | One-column-one-pile post inserting method construction process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103321212A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967058A (en) * | 2014-04-24 | 2014-08-06 | 上海市基础工程集团有限公司 | Method for in-hole guiding deviation rectification and steel pipe column straightening based on one-column-one-pile back insertion method |
| CN109930603A (en) * | 2019-03-27 | 2019-06-25 | 中国建筑第四工程局有限公司 | A kind of ultra-deep is inverse to make steel pipe column verticality control device and its application method |
| CN110629744A (en) * | 2019-09-16 | 2019-12-31 | 中铁广州工程局集团深圳工程有限公司 | A Construction Technology of Steel Tube Concrete Pile in Subway Station |
| CN112814277A (en) * | 2020-12-31 | 2021-05-18 | 开普天（上海）岩土科技有限公司 | Upright post construction method in one-post one-pile construction |
| CN112832458A (en) * | 2020-12-31 | 2021-05-25 | 开普天（上海）岩土科技有限公司 | Upright post construction method in one-post one-pile construction |
| CN113293869A (en) * | 2021-04-21 | 2021-08-24 | 北京城建集团有限责任公司 | Construction method for rear insertion of steel upright post |
| CN113789780A (en) * | 2021-10-29 | 2021-12-14 | 中国葛洲坝集团第三工程有限公司 | A kind of auxiliary vertical device for burying pile foundation for bridge and using method |
| CN115559466A (en) * | 2022-11-10 | 2023-01-03 | 中国建筑第八工程局有限公司 | Rear-inserting method steel stand column and construction method |
| CN116905726A (en) * | 2023-08-10 | 2023-10-20 | 五广（上海）基础工程有限公司 | Reverse construction method steel pipe column installation method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002061198A (en) * | 2000-08-21 | 2002-02-28 | Railway Technical Res Inst | Construction method of steel pipe column and pile head treatment method for cast-in-place pile for that purpose |
| CN1391010A (en) * | 2002-07-25 | 2003-01-15 | 上海隧道工程股份有限公司 | Technology for building up vertical column pile by insertion method |
| JP2006322179A (en) * | 2005-05-18 | 2006-11-30 | Okumura Corp | Integrated construction method of pile and column |
| CN101240534A (en) * | 2007-12-31 | 2008-08-13 | 浙江省一建建设集团有限公司 | Inverse method one-column one-pile construction method and correcting device thereof |
-
2013
- 2013-05-27 CN CN2013101989416A patent/CN103321212A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002061198A (en) * | 2000-08-21 | 2002-02-28 | Railway Technical Res Inst | Construction method of steel pipe column and pile head treatment method for cast-in-place pile for that purpose |
| CN1391010A (en) * | 2002-07-25 | 2003-01-15 | 上海隧道工程股份有限公司 | Technology for building up vertical column pile by insertion method |
| JP2006322179A (en) * | 2005-05-18 | 2006-11-30 | Okumura Corp | Integrated construction method of pile and column |
| CN101240534A (en) * | 2007-12-31 | 2008-08-13 | 浙江省一建建设集团有限公司 | Inverse method one-column one-pile construction method and correcting device thereof |
Non-Patent Citations (2)
| Title |
|---|
| 广联丁红波: "HDC高精度钢立柱安装施工方法介绍.pdf(网址：http://wenku.baidu.com/link?url=WJ8TymOgvQjEFM_jdBKKB4ma7q-E6yTxF4NASxpt0QEPdqU-LoKue1KFSeOUHBt9zp2qQFJn_7aP4NoaBWuA9_upMKAkqjM3hIEjo6k0bCy)", 《百度文库》, 18 December 2012 (2012-12-18) * |
| 陈新华: "逆作法施工中一柱一桩垂直度的有效控制", 《建筑施工》, vol. 34, no. 8, 31 December 2012 (2012-12-31), pages 792 - 794 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967058A (en) * | 2014-04-24 | 2014-08-06 | 上海市基础工程集团有限公司 | Method for in-hole guiding deviation rectification and steel pipe column straightening based on one-column-one-pile back insertion method |
| CN109930603A (en) * | 2019-03-27 | 2019-06-25 | 中国建筑第四工程局有限公司 | A kind of ultra-deep is inverse to make steel pipe column verticality control device and its application method |
| CN110629744A (en) * | 2019-09-16 | 2019-12-31 | 中铁广州工程局集团深圳工程有限公司 | A Construction Technology of Steel Tube Concrete Pile in Subway Station |
| CN110629744B (en) * | 2019-09-16 | 2021-08-13 | 中铁广州工程局集团深圳工程有限公司 | A construction technology of concrete-filled steel tubular piles in subway stations |
| CN112814277A (en) * | 2020-12-31 | 2021-05-18 | 开普天（上海）岩土科技有限公司 | Upright post construction method in one-post one-pile construction |
| CN112832458A (en) * | 2020-12-31 | 2021-05-25 | 开普天（上海）岩土科技有限公司 | Upright post construction method in one-post one-pile construction |
| CN113293869A (en) * | 2021-04-21 | 2021-08-24 | 北京城建集团有限责任公司 | Construction method for rear insertion of steel upright post |
| CN113789780A (en) * | 2021-10-29 | 2021-12-14 | 中国葛洲坝集团第三工程有限公司 | A kind of auxiliary vertical device for burying pile foundation for bridge and using method |
| CN115559466A (en) * | 2022-11-10 | 2023-01-03 | 中国建筑第八工程局有限公司 | Rear-inserting method steel stand column and construction method |
| CN116905726A (en) * | 2023-08-10 | 2023-10-20 | 五广（上海）基础工程有限公司 | Reverse construction method steel pipe column installation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103321212A (en) | One-column-one-pile post inserting method construction process | |
| CN106013053B (en) | A kind of steel sheet pile construction method for supporting for being used to build underground garage open caisson | |
| CN109487822B (en) | Method for installing and adjusting steel pipe column in reverse construction and control device | |
| CN103967058A (en) | Method for in-hole guiding deviation rectification and steel pipe column straightening based on one-column-one-pile back insertion method | |
| CN107653884B (en) | Steel casing setting device for drilling of sand foundation cast-in-place pile and construction method thereof | |
| CN105863042A (en) | All-steel structure building and construction method thereof | |
| CN104032767A (en) | Tower crane foundation in deep foundation pit and construction method of tower crane foundation | |
| CN107620311A (en) | A kind of mud off pore-creating filling pile prevents the method that aperture casing sinks | |
| CN112240025A (en) | Station foundation pit engineering cover-excavation construction method | |
| CN105064381A (en) | High-low cutting edge double-wall steel cofferdam reinforced concrete once bottom sealing construction method | |
| CN108203981A (en) | It is used to install the system and method for bracing members in cap excavation method | |
| CN202626989U (en) | Large-diameter stepping type guide frame with steel pile casing | |
| CN204608753U (en) | A kind of combined steel plate pile | |
| CN104594367B (en) | A kind of combined type cofferdam structure and construction method | |
| CN206128077U (en) | Dark excavation supporting's interior bearing structure | |
| CN104074234B (en) | The interior river intake structure of electric power plant circulating water system and construction method thereof | |
| CN204298830U (en) | Based on lattice column plane in subterranean excavation and elevation regulation device | |
| CN204059460U (en) | The interior river intake structure of electric power plant circulating water system | |
| CN102653947B (en) | Underground embedded steel component limiting straightening construction method | |
| CN203034476U (en) | Tower crane base structure in type of combination of steel latticework columns and concrete bearing platform shaped like Chinese character 'hui' | |
| CN214832836U (en) | Caisson type underground garage construction equipment | |
| CN104975734A (en) | Method for installing casing of casting machine well | |
| CN203049588U (en) | Pit-in-pit cylindrical mould | |
| CN103669383A (en) | Method for installing and leveling caisson on seabed ground | |
| CN220225273U (en) | Box culvert deep foundation pit periphery cement mixing 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 | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130925 |