CN107326929A - A kind of method of Duo Cang undergrounds integrated pipe earth excavation under Larsen steel sheet pile supporting - Google Patents
A kind of method of Duo Cang undergrounds integrated pipe earth excavation under Larsen steel sheet pile supporting Download PDFInfo
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- CN107326929A CN107326929A CN201710665238.XA CN201710665238A CN107326929A CN 107326929 A CN107326929 A CN 107326929A CN 201710665238 A CN201710665238 A CN 201710665238A CN 107326929 A CN107326929 A CN 107326929A
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- earth
- groove
- steel sheet
- sheet pile
- larsen steel
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/02—Sheet piles or sheet pile bulkheads
- E02D5/03—Prefabricated parts, e.g. composite sheet piles
- E02D5/04—Prefabricated parts, e.g. composite sheet piles made of steel
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Environmental & Geological Engineering (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The invention discloses a kind of method of Duo Cang undergrounds integrated pipe earth excavation under Larsen steel sheet pile supporting, comprise the following steps：A. first：Excavating sideline is released, Larsen steel sheet pile is set；B. upper strata earth excavation：Treat after the completion of step A, excavate upper strata cubic metre of earth；C. groove is excavated：After the completion for the treatment of step B, it is determined that the position of purlin is enclosed, and digging groove；D. install and enclose purlin：Treat after the completion of step C, installed in groove and enclose purlin；E. groove backfilling of earthwork：Treat after the completion of step D, backfill groove；F. lower floor's earth excavation：Treat after the completion of step E, excavate lower floor cubic metre of earth.
Description
Technical field
The present invention relates to construction engineering technical field, Duo Cang undergrounds integrate pipeclay under specially a kind of Larsen steel sheet pile supporting
The method that side is excavated.
Background technology
Many storehouse underground pipe gallery earth excavations are unearthed greatly under Larsen steel sheet pile supporting condition, Larsen steel plate under prior art
Earth excavation is inefficient under stake supporting condition, and blockage one by one is separated into due to enclosing purlin by the continuous earthwork, irrational
Earthwork digging method efficiency bottom is designed, plant equipment input is higher.
The content of the invention
The technical problem to be solved in the present invention is to overcome existing defect there is provided many storehouses under a kind of Larsen steel sheet pile supporting
The method of lower integrated pipe earth excavation, by the way that rationally using purlin is enclosed, piecemeal is excavated, and is both improved excavation effect and is thrown while reducing equipment
Enter, the problem of effectively can solving in background technology.
To achieve the above object, the present invention provides following technical scheme：Duo Cang undergrounds are comprehensive under a kind of Larsen steel sheet pile supporting
The method for closing pipe earth excavation, it is characterised in that comprise the following steps：
A. first：Excavating sideline is released, Larsen steel sheet pile is set；
B. upper strata earth excavation：Treat after the completion of step A, excavate upper strata cubic metre of earth；
C. groove is excavated：After the completion for the treatment of step B, it is determined that the position of purlin is enclosed, and digging groove；
D. install and enclose purlin：Treat after the completion of step C, installed in groove and enclose purlin；
E. groove backfilling of earthwork：Treat after the completion of step D, backfill groove；
F. lower floor's earth excavation：Treat after the completion of step E, excavate lower floor cubic metre of earth.
It is fixed using GPS measurements according to coordinate points during the step A operation as a preferred technical solution of the present invention
Position, and by setting gray line to release excavating sideline on the ground；Larsen steel sheet pile is continuously set along excavating sideline.
As a preferred technical solution of the present invention, during the step B operation, upper strata cubic metre of earth is carried out using excavator
Excavate, excavate upper strata cubic metre of earth until ground elevation differs 1.5~2.0m with piping lane design top mark height.
As a preferred technical solution of the present invention, during the step C operation, determined to enclose purlin according to design of its support drawing
Position, and field lofting；And groove is excavated according to field lofting.
As a preferred technical solution of the present invention, during the D step operations, installed in groove, weld and enclose purlin, and
Ensure groove and enclose the space of purlin for 200~300mm.
As a preferred technical solution of the present invention, during the E step operations, groove is backfilled to enclosing purlin top using original soil
Face；
As a preferred technical solution of the present invention, during F-step operation, using enclosing the earthwork block that purlin is separated out,
The interior side cubic metre of earth from builder's road farther out of first spoil square, then excavates the side cubic metre of earth nearer from builder's road；Until
Complete the excavation of all lower floors cubic metre of earth.
Compared with prior art, the beneficial effects of the invention are as follows：By the way that rationally using purlin is enclosed, piecemeal is excavated, both improved out
Dig effect and reduce equipment investment simultaneously, constructed using Larsen steel sheet pile enclosure, it is engaged between steel sheet pile, it can also also serve as only
Water.
Brief description of the drawings
Fig. 1 is the plan of the present invention；
Fig. 2 is the sectional drawing of the present invention；
Fig. 3 is the groove of the present invention and the node sectional drawing for enclosing purlin.
In figure：1st, purlin is enclosed；2nd, Larsen steel sheet pile；3rd, the side cubic metre of earth from builder's road farther out；4th, it is nearer from builder's road
Side cubic metre of earth；5th, groove.
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 whole embodiments.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.
Embodiment one
Fig. 1~Fig. 3 is referred to, the present invention provides a kind of technical scheme：Duo Cang undergrounds are comprehensive under a kind of Larsen steel sheet pile supporting
The method for closing pipe earth excavation, it is characterised in that comprise the following steps：
A. first：Excavating sideline is released, Larsen steel sheet pile 2 is set；GPS measurement and positionings are used according to coordinate points, and are passed through
Gray line is set to release excavating sideline on the ground；Larsen steel sheet pile 2 is continuously set along excavating sideline；
B. upper strata earth excavation：Treat after the completion of step A, excavate upper strata cubic metre of earth；Upper strata cubic metre of earth is opened using excavator
Dig, excavate upper strata cubic metre of earth until ground elevation differs 1.5m with piping lane design top mark height；
C. groove 5 is excavated：After the completion for the treatment of step B, it is determined that the position of purlin 1 is enclosed, and digging groove 5；According to design of its support drawing
It is determined that the position of purlin 1 is enclosed, and field lofting；And groove 5 is excavated according to field lofting；
D. install and enclose purlin 1：Treat after the completion of step C, installed in groove 5 and enclose purlin 1；Installed in groove 5, purlin 1 is enclosed in welding,
And ensure groove 5 and enclose the space of purlin 1 for 200mm；
E. the backfilling of earthwork of groove 5：Treat after the completion of step D, backfill groove 5；Groove 5 is backfilled to enclosing the top surface of purlin 1 using original soil；
F. lower floor's earth excavation：Treat after the completion of step E, excavate lower floor cubic metre of earth；Using the earthwork block that purlin 1 is separated out is enclosed, first
The interior side cubic metre of earth 3 from builder's road farther out of spoil square, then excavates the side cubic metre of earth 4 nearer from builder's road；Until
Complete the excavation of all lower floors cubic metre of earth.
Embodiment two
Fig. 1~Fig. 3 is referred to, the present invention provides a kind of technical scheme：Duo Cang undergrounds are comprehensive under a kind of Larsen steel sheet pile supporting
The method for closing pipe earth excavation, it is characterised in that comprise the following steps：
A. first：Excavating sideline is released, Larsen steel sheet pile 2 is set；GPS measurement and positionings are used according to coordinate points, and are passed through
Gray line is set to release excavating sideline on the ground；Larsen steel sheet pile 2 is continuously set along excavating sideline；
B. upper strata earth excavation：Treat after the completion of step A, excavate upper strata cubic metre of earth；Upper strata cubic metre of earth is opened using excavator
Dig, excavate upper strata cubic metre of earth until ground elevation differs 2m with piping lane design top mark height；
C. groove 5 is excavated：After the completion for the treatment of step B, it is determined that the position of purlin 1 is enclosed, and digging groove 5；According to design of its support drawing
It is determined that the position of purlin 1 is enclosed, and field lofting；And groove 5 is excavated according to field lofting；
D. install and enclose purlin 1：Treat after the completion of step C, installed in groove 5 and enclose purlin 1；Installed in groove 5, purlin 1 is enclosed in welding,
And ensure groove 5 and enclose the space of purlin 1 for 300mm；
E. the backfilling of earthwork of groove 5：Treat after the completion of step D, backfill groove 5；Groove 5 is backfilled to enclosing the top surface of purlin 1 using original soil；
F. lower floor's earth excavation：Treat after the completion of step E, excavate lower floor cubic metre of earth；Using the earthwork block that purlin 1 is separated out is enclosed, first
The interior side cubic metre of earth 3 from builder's road farther out of spoil square, then excavates the side cubic metre of earth 4 nearer from builder's road；Until
Complete the excavation of all lower floors cubic metre of earth.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of method of Duo Cang undergrounds integrated pipe earth excavation under Larsen steel sheet pile supporting, it is characterised in that including following step
Suddenly：
A. first：Excavating sideline is released, Larsen steel sheet pile is set；
B. upper strata earth excavation：Treat after the completion of step A, excavate upper strata cubic metre of earth；
C. groove is excavated：After the completion for the treatment of step B, it is determined that the position of purlin is enclosed, and digging groove；
D. install and enclose purlin：Treat after the completion of step C, installed in groove and enclose purlin；
E. groove backfilling of earthwork：Treat after the completion of step D, backfill groove；
F. lower floor's earth excavation：Treat after the completion of step E, excavate lower floor cubic metre of earth.
2. according to claim 1 under a kind of Larsen steel sheet pile supporting Duo Cang undergrounds integrated pipe earth excavation method, it is special
Levy and be：During the step A operation, GPS measurement and positionings are used according to coordinate points, and by setting gray line to release out on the ground
Dig sideline；Larsen steel sheet pile is continuously set along excavating sideline.
3. according to claim 1 under a kind of Larsen steel sheet pile supporting Duo Cang undergrounds integrated pipe earth excavation method, it is special
Levy and be：During the step B operation, upper strata cubic metre of earth is excavated using excavator, upper strata cubic metre of earth is excavated until ground elevation
1.5~2.0m is differed with piping lane design top mark height.
4. according to claim 1 under a kind of Larsen steel sheet pile supporting Duo Cang undergrounds integrated pipe earth excavation method, it is special
Levy and be：During the step C operation, determined to enclose purlin position, and field lofting according to design of its support drawing；And according to field lofting
Excavate groove.
5. according to claim 1 under a kind of Larsen steel sheet pile supporting Duo Cang undergrounds integrated pipe earth excavation method, it is special
Levy and be：During the D step operations, installed in groove, weld and enclose purlin, and ensure groove and enclose the space of purlin for 200~
300mm。
6. according to claim 2 under a kind of Larsen steel sheet pile supporting Duo Cang undergrounds integrated pipe earth excavation method, it is special
Levy and be：During the E step operations, groove is backfilled to enclosing purlin top surface using original soil.
7. Duo Cang undergrounds integrated pipe earth excavation under a kind of Larsen steel sheet pile supporting according to any one of claim 1~6
Method construction method, comprise the following steps：During F-step operation, using enclosing the earthwork block that purlin is separated out, first spoil
The interior side cubic metre of earth from builder's road farther out of square, then excavates the side cubic metre of earth nearer from builder's road；Until completing all
The excavation of lower floor cubic metre of earth.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710665238.XA CN107326929A (en) | 2017-08-07 | 2017-08-07 | A kind of method of Duo Cang undergrounds integrated pipe earth excavation under Larsen steel sheet pile supporting |
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| CN201710665238.XA CN107326929A (en) | 2017-08-07 | 2017-08-07 | A kind of method of Duo Cang undergrounds integrated pipe earth excavation under Larsen steel sheet pile supporting |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111287299A (en) * | 2020-02-26 | 2020-06-16 | 深圳市宏大建设集团有限公司 | Sewage pipe pit excavation backfill process and pipe pit excavation supporting structure |
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| CN201962684U (en) * | 2011-02-09 | 2011-09-07 | 云南建工水利水电建设有限公司 | Internal support wale reinforcing device |
| CN104929133A (en) * | 2015-06-09 | 2015-09-23 | 沈阳市政集团有限公司 | Deep foundation pit Larsen steel sheet pile bottom sloping support construction method |
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| KR20060106159A (en) * | 2005-04-06 | 2006-10-12 | 대원이엔시 주식회사 | The engineering-works structure using composite pile and steel sheet pile, and it's construction method |
| CN201962684U (en) * | 2011-02-09 | 2011-09-07 | 云南建工水利水电建设有限公司 | Internal support wale reinforcing device |
| CN104929133A (en) * | 2015-06-09 | 2015-09-23 | 沈阳市政集团有限公司 | Deep foundation pit Larsen steel sheet pile bottom sloping support construction method |
| CN106759473A (en) * | 2016-11-11 | 2017-05-31 | 中国建筑第八工程局有限公司 | The constructing structure and its construction method of underground pipe gallery and road |
| CN106759384A (en) * | 2016-12-24 | 2017-05-31 | 中铁十八局集团有限公司 | A kind of method that use prefabricated pipeline base plate does Brace in Deep Footing Groove |
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Application publication date: 20171107 |
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