CN109403352A - A kind of middle weathered rock formation super-large diameter hole stake combination excavation method - Google Patents
A kind of middle weathered rock formation super-large diameter hole stake combination excavation method Download PDFInfo
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- CN109403352A CN109403352A CN201811050950.XA CN201811050950A CN109403352A CN 109403352 A CN109403352 A CN 109403352A CN 201811050950 A CN201811050950 A CN 201811050950A CN 109403352 A CN109403352 A CN 109403352A
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- Prior art keywords
- stake
- hole stake
- hole
- coring
- digging machine
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/06—Foundation trenches ditches or narrow shafts
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/06—Foundation trenches ditches or narrow shafts
- E02D17/08—Bordering or stiffening the sides of ditches trenches or narrow shafts for foundations
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The invention discloses a kind of middle weathered rock formation super-large diameter hole stake combination excavation methods, your method first carries out line setting according to engineering construction drawing device to hole stake, determine the coring coring range of Spiral digging machine, then coring is carried out using the stake of Spiral digging machine device to hole, until meeting hole stake projected depth requirement, next hole stake coring is carried out after acceptance(check)；At this point, aperture earth-retaining retaining wall is arranged according to hole stake plan boundary, and two layers of steel hoop is installed along hole stake side；Then the hole stake periphery after coring is excavated using water mill drilling row, until being excavated to hole stake plan boundary, and hole stake depth meets design requirement.The present invention bores combination using Spiral digging machine and water mill to stake holes and excavates, and guarantees that hole stake and basic stress rock stratum do not generate disturbance, rock stratum stress will not weaken after the completion of excavation, meet structure stress requirement.And lower part rock stratum unfavorable condition can be found in Spiral digging machine location of the coring procedure in advance, treatment measures are taken in advance.
Description
Technical field
The present invention relates to a kind of middle weathered rock formation super-large diameter hole stake combination excavation methods, belong to building construction technology neck
Domain.
Background technique
With the economic great development of country, more and more Super Highs and great architectural engineering occur, thus to basis by
Power proposes higher, tightened up requirement, and the hole stake more than 3~5m super-large diameter occurs in design, and to basic rock stratum stress
Meet tightened up requirement with stability requirement.Meanwhile building trade building fund pressure is big, further compresses the construction period,
Bigger difficulty is proposed to the foundation structure duration, the foundation construction duration, rationally basis was applied in advance under the premise of ensuring quality
The work duration becomes quality and controls key takeaway, and the structure of the big building of counterweight plays a key effect safely.
Currently, for the digging mode of middle weathered rock formation super-large diameter hole stake, construction party is most in order to accelerate construction progress
Use blast working, however in blasting process, rock stratum stress and be destroyed, influence hole forming pile quality.Using pure water abrasive drilling
Although form of construction work can guarantee that hole forming pile quality, construction efficiency are too low.Therefore, how before ensuring engineering construction quality
It puts, to accelerate engineering foundation construction speed, reducings the construction costs, accelerate engineering funds turnover, be urgently to consider the problems of.
Summary of the invention
The object of the present invention is to provide a kind of middle weathered rock formation super-large diameter hole stake combination excavation method, this method energy
Enough ensure construction quality, saves a large amount of durations, it is of less demanding to site operation, there is extensive practical reference value.
A kind of technical solution of the present invention: middle weathered rock formation super-large diameter hole stake combination excavation method, comprising the following steps:
Step 1: first carrying out line setting according to engineering construction drawing device to hole stake, the coring coring range of Spiral digging machine is determined,
Then coring is carried out using the stake of Spiral digging machine device to hole, until meeting hole stake projected depth requirement, next hole stake is carried out after acceptance(check)
Coring；
Step 2: aperture earth-retaining retaining wall is arranged according to hole stake plan boundary, and two layers of steel hoop is installed along hole stake side；
Step 3: the hole stake periphery after coring is excavated using water mill drilling row, until it is excavated to hole stake plan boundary, and
Hole stake depth meets design requirement.
In the above method, the coring range is the 1/2~2/3 of hole stake diameter.
In the above method, aperture earth-retaining retaining wall 30cm above ground level, width 20cm, aperture earth-retaining retaining wall are used
C20 concreting.
Due to the adoption of the above technical scheme, the present invention has the advantages that
1, the present invention bores combination using Spiral digging machine and water mill to stake holes and excavates, and guarantees that hole stake and basic stress rock stratum do not generate
It disturbs, rock stratum stress will not weaken after the completion of excavation, meet structure stress requirement.
2, Spiral digging machine construction is bored construction efficiency than conventional manual water mill and is greatly improved, when can save 1/2 duration of hole pile driving construction
Between.
3, Spiral digging machine excavates high-efficient, and the cubic meter of stone dug out can clear up transport in time, it is ensured that excavates safety and site safety text
Bright construction is clean and tidy.
4, a large amount of personnel's investments are saved, Field Force's investment is reduced, is convenient for various aspects management, save construction cost.
5, lower part rock stratum unfavorable condition can be found in Spiral digging machine location of the coring procedure in advance, takes treatment measures in advance.
Detailed description of the invention
Fig. 1 is excavation schematic diagram of the invention；
Description of symbols: 1- cores；The hole 2- stake plan boundary；The aperture 3- earth-retaining retaining wall；4- steel hoop.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and examples to this hair
It is bright to be described in further detail.
The embodiment of the present invention: structural schematic diagram such as Fig. 1 institute of middle weathered rock formation super-large diameter hole stake combination excavation method
Show, comprising the following steps:
Step 1: first carrying out line setting according to engineering construction drawing device to hole stake, the coring coring range of Spiral digging machine is determined,
Then coring is carried out using the stake of Spiral digging machine device to hole, i.e. taking-up 1 rock stratum of stake core, until meeting hole stake projected depth requirement, checks and accepts and close
Next hole stake coring is carried out after lattice；The coring range is the 1/2~2/3 of hole stake diameter；
Step 2: aperture earth-retaining retaining wall 3 is arranged according to hole stake plan boundary 2, the aperture earth-retaining retaining wall 3 is above ground level
30cm, width 20cm, aperture earth-retaining retaining wall 3 uses C20 concreting, and installs two layers of steel hoop 4 along hole stake side；
Step 3: the hole stake periphery after coring is excavated using water mill drilling row, until it is excavated to hole stake plan boundary 2,
And hole stake depth meets design requirement.
The present invention bores combination using Spiral digging machine and water mill to stake holes and excavates, and guarantees that hole stake and basic stress rock stratum are not generated and disturbed
Dynamic, rock stratum stress will not weaken after the completion of excavation, meet structure stress requirement.And it can be found in advance in Spiral digging machine location of the coring procedure
Lower part rock stratum unfavorable condition, takes treatment measures in advance.
Claims (3)
1. a kind of middle weathered rock formation super-large diameter hole stake combination excavation method, it is characterised in that the following steps are included:
Step 1: first carrying out line setting according to engineering construction drawing device to hole stake, the coring coring range of Spiral digging machine is determined, then
Coring is carried out using Spiral digging machine device to hole stake, until meeting hole stake projected depth requirement, next hole stake coring is carried out after acceptance(check)；
Step 2: aperture earth-retaining retaining wall is arranged according to hole stake plan boundary, and two layers of steel hoop is installed along hole stake side；
Step 3: being excavated to the hole stake periphery after coring using water mill drilling row, until being excavated to hole stake plan boundary, and hole stake
Depth meets design requirement.
2. stake combination excavation method in middle weathered rock formation super-large diameter hole according to claim 1, it is characterised in that: described to take
Core range is the 1/2~2/3 of hole stake diameter.
3. stake combination excavation method in middle weathered rock formation super-large diameter hole according to claim 1, it is characterised in that: the hole
Mouth earth-retaining retaining wall 30cm above ground level, width 20cm, aperture earth-retaining retaining wall use C20 concreting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811050950.XA CN109403352A (en) | 2018-09-10 | 2018-09-10 | A kind of middle weathered rock formation super-large diameter hole stake combination excavation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811050950.XA CN109403352A (en) | 2018-09-10 | 2018-09-10 | A kind of middle weathered rock formation super-large diameter hole stake combination excavation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109403352A true CN109403352A (en) | 2019-03-01 |
Family
ID=65464629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811050950.XA Pending CN109403352A (en) | 2018-09-10 | 2018-09-10 | A kind of middle weathered rock formation super-large diameter hole stake combination excavation method |
Country Status (1)
| Country | Link |
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| CN (1) | CN109403352A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110513038A (en) * | 2019-08-27 | 2019-11-29 | 中铁六局集团有限公司 | It closes on Business Line rock geology pile foundation water mill and bores construction |
| CN112211566A (en) * | 2020-10-30 | 2021-01-12 | 中国建筑第四工程局有限公司 | Manual hole digging pile hole forming method for tunneling large-particle-size moderately weathered nuclei |
Citations (6)
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|---|---|---|---|---|
| JP2000008372A (en) * | 1998-06-25 | 2000-01-11 | Marutoku Kigyo:Kk | Underground wall constructing method |
| JP2000080643A (en) * | 1998-09-08 | 2000-03-21 | Chuo Kogyo Kk | Extra-fill concrete treatment method for cast-in place pile |
| CN204608761U (en) * | 2015-04-09 | 2015-09-02 | 深圳市永鑫建筑工程集团有限公司 | A kind of major diameter hard rock foundation pile becomes pore structure |
| CN106545007A (en) * | 2016-10-09 | 2017-03-29 | 中交第二航务工程局有限公司 | The method of pile in stratum of the bottom for hard rock stratum |
| CN106759282A (en) * | 2016-12-30 | 2017-05-31 | 安徽省建筑科学研究设计院 | A kind of mechanical hole building method of super-large diameter hard rock bored concrete pile half |
| CN107059847A (en) * | 2017-06-20 | 2017-08-18 | 中国华西企业有限公司 | A kind of competent bed water mill bores pouring pile hole structure and its construction from the bottom of one's heart |
-
2018
- 2018-09-10 CN CN201811050950.XA patent/CN109403352A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000008372A (en) * | 1998-06-25 | 2000-01-11 | Marutoku Kigyo:Kk | Underground wall constructing method |
| JP2000080643A (en) * | 1998-09-08 | 2000-03-21 | Chuo Kogyo Kk | Extra-fill concrete treatment method for cast-in place pile |
| CN204608761U (en) * | 2015-04-09 | 2015-09-02 | 深圳市永鑫建筑工程集团有限公司 | A kind of major diameter hard rock foundation pile becomes pore structure |
| CN106545007A (en) * | 2016-10-09 | 2017-03-29 | 中交第二航务工程局有限公司 | The method of pile in stratum of the bottom for hard rock stratum |
| CN106759282A (en) * | 2016-12-30 | 2017-05-31 | 安徽省建筑科学研究设计院 | A kind of mechanical hole building method of super-large diameter hard rock bored concrete pile half |
| CN107059847A (en) * | 2017-06-20 | 2017-08-18 | 中国华西企业有限公司 | A kind of competent bed water mill bores pouring pile hole structure and its construction from the bottom of one's heart |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110513038A (en) * | 2019-08-27 | 2019-11-29 | 中铁六局集团有限公司 | It closes on Business Line rock geology pile foundation water mill and bores construction |
| CN112211566A (en) * | 2020-10-30 | 2021-01-12 | 中国建筑第四工程局有限公司 | Manual hole digging pile hole forming method for tunneling large-particle-size moderately weathered nuclei |
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Application publication date: 20190301 |
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