CN107701191A - A kind of precast assembly vertical shaft and its construction method - Google Patents
A kind of precast assembly vertical shaft and its construction method Download PDFInfo
- Publication number
- CN107701191A CN107701191A CN201711011790.3A CN201711011790A CN107701191A CN 107701191 A CN107701191 A CN 107701191A CN 201711011790 A CN201711011790 A CN 201711011790A CN 107701191 A CN107701191 A CN 107701191A
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- vertical shaft
- prefabricated
- precast assembly
- lining
- orlop
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- 238000010276 construction Methods 0.000 title claims abstract description 58
- 238000013461 design Methods 0.000 claims abstract description 11
- 238000003032 molecular docking Methods 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 238000011065 in-situ storage Methods 0.000 claims description 3
- 239000011150 reinforced concrete Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 14
- 239000004567 concrete Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000011378 shotcrete Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D5/00—Lining shafts; Linings therefor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D1/00—Sinking shafts
- E21D1/08—Sinking shafts while moving the lining downwards
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention discloses a kind of precast assembly vertical shaft and its construction method, precast assembly vertical shaft includes orlop prefabricated lining and some standard knot prefabricated linings, and one week of the prefabricated lining is made up of the ending docking of vertical shaft prefabricated film；Construction procedure is：According to the actual specification for determining vertical shaft of engineering, design, vertical shaft prefabricated film is made；Job site assembly orlop prefabricated lining simultaneously sinks；Installation last layer prefabricated lining simultaneously sinks, until vertical shaft sinks down into designed elevation；Carry out shaft floor back cover construction；After vertical shaft back cover intensity reaches design load, punched on prefabricated lining.A kind of precast assembly vertical shaft provided by the invention and its construction method, its step is reasonable, the construction method of traditional " inverted side-wall " is abandoned, the problem of wasting of resources, environmental pollution, potential safety hazard, construction period and construction quality that conventional construction method brings are avoided without ensureing, with energy-conserving and environment-protective, it is safe and reliable the advantages of, the cycle of construction is effectively shortened, has ensured construction quality.
Description
Technical field
The invention belongs to construction engineering technical field, more particularly to a kind of precast assembly vertical shaft and its construction method.
Background technology
Vertical shaft transports the passage of underground sediment or mud, and plenum ventilation mouth when being excavation or cleaning karez closed conduit.
In engineering construction field, vertical shaft uses frequently as the working pit of project dug underground and pipe-jacking project.
The currently used method of Construction of Silo is " inverted side-wall ", i.e., is used as " main joist " using grid steel, then pass through extension
The method of net anchor spraying concrete forms support system to shaft wall.But anchoring shotcrete with wire mesh construction can cause the wasting of resources and air
Pollution, huge challenge is brought to air quality and environmental protection.The wasting of resources, pollution environment, construction be present in this construction method
The shortcomings of potential safety hazard is big, the construction period is long, construction quality is not easy to ensure, also do not meet State Council's proposition greatly develops assembling
The requirement of formula building.
The content of the invention
The purpose of the present invention is to be directed to above-mentioned technical problem, there is provided a kind of precast assembly vertical shaft and its construction method, its
Step is reasonable, assembled using vertical shaft prefabricated film, the method for integral sinking, has the advantages of energy-conserving and environment-protective, safe and reliable, effectively contracting
In the cycle of short construction, construction quality is ensured；In terms of environmental protection, wasted substantially without airborne dust, No Assets in work progress,
Borehole wall component used in vertical shaft is all using prefabrication, in addition to orlop prefabricated lining needs to be adjusted according to caliber, its
It is remaining all to use standard component, greatly save resource, accelerating construction progress.
Technical scheme
In order to solve the above technical problems, a kind of precast assembly vertical shaft provided by the invention, if it include orlop prefabricated lining and
Dry standard knot prefabricated lining, one week of the prefabricated lining are made up of the ending docking of vertical shaft prefabricated film；Adjacent vertical shaft prefabricated film
Between be provided with transverse connection, the vertical direction of adjacent prefabricated lining is provided with vertical connecting bolt.
Further, the vertical shaft prefabricated film is " one " font, and its end set has triangle enlarged footing.
Further, one week of vertical shaft includes four pieces of vertical shaft prefabricated films, its end to end square vertical shaft of composition.
Further, in addition to orlop prefabricated lining, other layer of prefabricated lining is standard knot prefabricated lining, other prefabricated wells
The quantity of wall is relevant with the designed elevation of vertical shaft.
Further, sealing rod is provided between the contiguous prefabricated borehole wall, the vertical direction of the contiguous prefabricated borehole wall is by vertically connecting
Connecting bolt is fixed.
In order to solve the above technical problems, a kind of precast assembly shaft construction method that the present invention also provides, it is specifically included
Following steps：
S1, according to the actual specification for determining vertical shaft of engineering, design, make vertical shaft prefabricated film；
Specifically, according to engineering requirements, the size of the length of vertical shaft is determined, then determines vertical shaft prefabricated film accordingly
Size.In step S1, the vertical shaft prefabricated film is " one " font, and its end set has triangle enlarged footing.In processing vertical shaft
, it is necessary to make typified form during prefabricated film, processing experiment prefabricated film is assembled and mechanical properties test after machining, inspection
Test it is qualified after produced in batches.One week of vertical shaft includes four pieces of vertical shaft prefabricated films, its end to end square vertical shaft of composition.
S2, job site assembly orlop prefabricated lining simultaneously sink；
Specifically, orlop prefabricated lining needs to be adjusted according to the diameter of pipeline, and orlop vertical shaft prefabricated film machines
Afterwards, assembly is carried out at the construction field (site), to form orlop prefabricated lining.
S3, last layer prefabricated lining is installed and sunk, until vertical shaft sinks down into designed elevation；
S4, after precast assembly vertical shaft sinks down into designed elevation, carry out shaft floor back cover construction；
S5, after vertical shaft back cover intensity reaches design load, punched on prefabricated lining.
Further, in step S2, orlop prefabricated lining is assembled and sinks to comprising the following steps：
S2-1, vertical shaft prefabricated film head and the tail are docked, adjacent vertical shaft prefabricated film connects that to form orlop prefabricated by I-steel angle brace
The borehole wall is simultaneously in place；
S2-2, excavate the middle cubsoil inside vertical shaft, it is 300mm to excavate depth；
S2-3, excavate the earthwork of vertical shaft bottom, once sunk；
S2-4, repeat step S2-2 to S2-3, orlop prefabricated lining is sunk into setting absolute altitude.
Further, in step S2-3, prefabricated vertical shaft single submergence depth control is within 100mm.
Further, in step S4, vertical shaft back cover uses reinforced concrete cast-in-situ, depending on that need to set catch pit.
Further, in step S4, the sinking step of other layer of prefabricated lining is：
S4-1, excavate the middle cubsoil inside vertical shaft, it is 300mm to excavate depth；
S4-2, excavate the earthwork of vertical shaft bottom, once sunk, single submergence depth is controlled within 100mm；
S4-3, repeat step S4-1 to S4-2, individual layer prefabricated lining is sunk into setting absolute altitude.
Beneficial effect of the present invention：
A kind of precast assembly vertical shaft provided by the invention and its construction method, its step is reasonable, has abandoned traditional " inverted side-wall "
Construction method, avoid the wasting of resources, environmental pollution, potential safety hazard, construction period and construction that conventional construction method is brought
The problem of quality is without ensureing, there is the advantages of energy-conserving and environment-protective, safe and reliable, effectively shorten the cycle of construction, ensured construction
Quality.
Brief description of the drawings
By the detailed description made in conjunction with the following drawings, above-mentioned advantage of the invention will be apparent and be easier reason
Solution, these accompanying drawings are simply schematical, are not intended to limit the present invention, wherein：
Fig. 1 is the flow chart of precast assembly shaft construction method of the present invention；
Fig. 2 is the top view of precast assembly vertical shaft of the present invention；
Fig. 3 is the schematic diagram of the vertical shaft prefabricated film of precast assembly vertical shaft of the present invention；
Fig. 4 is the schematic diagram after the assembly in place of orlop prefabricated lining；
Fig. 5 is the schematic diagram after cubsoil is excavated in orlop prefabricated lining；
Fig. 6 is the schematic diagram after orlop prefabricated lining once sinks；
Fig. 7 is the schematic diagram that orlop prefabricated lining sinks down into designed elevation；
Fig. 8 is upper strata prefabricated lining and the schematic diagram after orlop prefabricated lining assembly；
Fig. 9 is upper strata prefabricated lining and the schematic diagram after the assembly sinking of orlop prefabricated lining；
Figure 10 is that precast assembly vertical shaft completes the sectional view after assembly；
Figure 11 is the schematic diagram of precast assembly shaft floor back cover construction；
Figure 12 is the schematic diagram after precast assembly vertical shaft punches.
Embodiment
With reference to specific embodiments and the drawings, a kind of precast assembly vertical shaft and its construction method to the present invention carry out detailed
Describe in detail bright.
The embodiment recorded herein is specific embodiment of the invention, for illustrating the design of the present invention,
It is explanatory and exemplary, should not be construed as the limitation to embodiment of the present invention and the scope of the invention.Except what is recorded herein
Outside embodiment, those skilled in the art can also be based on the application claims and specification disclosure of that using aobvious and
The other technical schemes being clear to, these technical schemes include any obvious using making for the embodiment to recording herein
The technical scheme of substitutions and modifications.
The accompanying drawing of this specification is schematic diagram, aids in illustrating the design of the present invention, it is schematically indicated the shape of each several part
And its correlation.It note that for the ease of clearly showing the structure of each part of the embodiment of the present invention, between each accompanying drawing
Do not drawn according to identical ratio.Identical reference marker is used to represent identical part.
Fig. 1 to Figure 12 is a kind of schematic diagram of herein described precast assembly shaft construction method.
A kind of precast assembly vertical shaft provided by the invention, it includes orlop prefabricated lining and some standard knot prefabricated wells
Wall, one week of the prefabricated lining are made up of the ending docking of vertical shaft prefabricated film；Transverse direction is provided between adjacent vertical shaft prefabricated film
Connector, the vertical direction of adjacent prefabricated lining are provided with vertical connecting bolt.
In the application, the vertical shaft prefabricated film is " one " font, and its end set has triangle enlarged footing；One week of vertical shaft
Including four pieces of vertical shaft prefabricated films, its end to end square vertical shaft of composition；In addition to orlop prefabricated lining, other layer of prefabricated lining is
Standard knot prefabricated lining, the quantity of other prefabricated linings are relevant with the designed elevation of vertical shaft；It is provided between the contiguous prefabricated borehole wall
Sealing rod, the vertical direction of the contiguous prefabricated borehole wall are fixed by vertical connecting bolt.
A kind of flow chart of precast assembly shaft construction method.As shown in figure 1, it specifically includes following steps：
S1, according to the actual specification for determining vertical shaft of engineering, design, make vertical shaft prefabricated film；
In this step, according to engineering requirements, the size of the length of vertical shaft is determined, then determines that vertical shaft is pre- accordingly
The size of film-making；The vertical shaft prefabricated film is " one " font, and its end set has triangle enlarged footing, as shown in Figure 3；Vertical shaft
Include four pieces of vertical shaft prefabricated films within one week, its end to end square vertical shaft of composition, as shown in Figure 2.
S2, job site assembly orlop prefabricated lining simultaneously sink；
In this step, orlop prefabricated lining needs to be adjusted according to the diameter of pipeline, the processing of orlop vertical shaft prefabricated film
After the completion of, assembly is carried out at the construction field (site), to form orlop prefabricated lining.Orlop prefabricated lining it is assembled and sink to including with
Lower step：
S2-1, vertical shaft prefabricated film head and the tail are docked, adjacent vertical shaft prefabricated film connects that to form orlop prefabricated by I-steel angle brace
The borehole wall is simultaneously in place, and Fig. 4 is the schematic diagram after the assembly in place of orlop prefabricated lining；
S2-2, excavate the middle cubsoil inside vertical shaft, it is 300mm to excavate depth, as shown in Figure 5；
S2-3, excavate the earthwork of vertical shaft bottom, once sunk, as shown in Figure 6；Prefabricated vertical shaft single submergence depth control exists
Within 100mm.
S2-4, repeat step S2-2 to S2-3, orlop prefabricated lining is sunk into setting absolute altitude, as shown in Figure 7.
S3, last layer prefabricated lining is installed and sunk, until vertical shaft sinks down into designed elevation；
Specifically, in addition to orlop prefabricated lining, other layer of prefabricated lining is standard knot prefabricated lining, the number of other prefabricated linings
Amount is relevant with the designed elevation of vertical shaft.Be provided with sealing rod between the contiguous prefabricated borehole wall, the vertical direction of the contiguous prefabricated borehole wall by
Vertical connecting bolt is fixed, and Fig. 8 is upper strata prefabricated lining and the schematic diagram after orlop prefabricated lining assembly；Prefabricated lining is assembled
After need integral sinking, Figure 10 be precast assembly vertical shaft complete it is assembled after sectional view, Fig. 9 is upper strata prefabricated lining and orlop
Schematic diagram after the assembly sinking of prefabricated lining.
S4, after precast assembly vertical shaft sinks down into designed elevation, carry out shaft floor back cover construction；
In this step, the sinking step of other layer of prefabricated lining is：
S4-1, excavate the middle cubsoil inside vertical shaft, it is 300mm to excavate depth；
S4-2, excavate the earthwork of vertical shaft bottom, once sunk, single submergence depth is controlled within 100mm；
S4-3, repeat step S4-1 to S4-2, individual layer prefabricated lining is sunk into setting absolute altitude.
Vertical shaft back cover uses reinforced concrete cast-in-situ, to ensure the water proofing property of vertical shaft bulk strength and bottom plate, and depending on that need to set
Catch pit is put, as shown in figure 11.
S5, after vertical shaft back cover intensity reaches design load, punched on prefabricated lining.
After vertical shaft armored concrete back cover plate intensity reaches design load, punch on prefabricated lining, as shown in figure 12, punch
After the completion of carry out next procedure construction.At the construction field (site), after vertical shaft armored concrete back cover plate intensity reaches 50%, it is possible to
Punched on prefabricated lining.
In the embodiment shown in Fig. 2 to Figure 12, vertical shaft prefabricated film I-steel angle brace connected horizontally is 32C, and vertical shaft is pre-
The thickness of film-making is 300mm, is provided with suspension ring, lifting during facilitating assembly；The vertical direction of the contiguous prefabricated borehole wall by
φ 24mm vertical connecting bolt is fixed.
Due to the height of the vertical shaft prefabricated film of orlop prefabricated lining, to be higher than vertical shaft corresponding to standard knot prefabricated lining pre-
Film-making, therefore, the suspension ring root on vertical shaft prefabricated film set the cage bar run through, to ensure the security of construction.
The shortcomings that compared to prior art and deficiency, a kind of precast assembly vertical shaft provided by the invention and its construction method,
Its step is reasonable, has abandoned the construction method of traditional " inverted side-wall ", has avoided the wasting of resources, ring that conventional construction method is brought
The problem of border pollution, potential safety hazard, construction period and construction quality are without ensureing, there is the advantages of energy-conserving and environment-protective, safe and reliable, have
Effect shortens the cycle of construction, has ensured construction quality.
The present invention is not limited to the above-described embodiments, and anyone can draw other various forms under the enlightenment of the present invention
Product, it is every that there is technical side identical or similar to the present application however, make any change in its shape or structure
Case, it is within the scope of the present invention.
Claims (10)
1. a kind of precast assembly vertical shaft, it is characterised in that described including orlop prefabricated lining and some standard knot prefabricated linings
One week of prefabricated lining is made up of the ending docking of vertical shaft prefabricated film；Transverse connection is provided between adjacent vertical shaft prefabricated film,
The vertical direction of adjacent prefabricated lining is provided with vertical connecting bolt.
2. precast assembly vertical shaft according to claim 1, it is characterised in that the vertical shaft prefabricated film is " one " font, its end
Portion is provided with triangle enlarged footing.
3. precast assembly vertical shaft according to claim 1, it is characterised in that one week of vertical shaft includes four pieces of vertical shaft prefabricated films,
Its end to end square vertical shaft of composition.
4. precast assembly vertical shaft according to claim 1, it is characterised in that in addition to orlop prefabricated lining, other layer prefabricated
The borehole wall is standard knot prefabricated lining, and the quantity of other prefabricated linings is relevant with the designed elevation of vertical shaft.
5. precast assembly vertical shaft according to claim 1, it is characterised in that sealing rod is provided between the contiguous prefabricated borehole wall,
The vertical direction of the contiguous prefabricated borehole wall is fixed by vertical connecting bolt.
6. a kind of precast assembly shaft construction method, it is characterised in that comprise the following steps：
S1, according to the actual specification for determining vertical shaft of engineering, design, make vertical shaft prefabricated film；
S2, job site assembly orlop prefabricated lining simultaneously sink；
S3, last layer prefabricated lining is installed and sunk, until vertical shaft sinks down into designed elevation；
S4, after precast assembly vertical shaft sinks down into designed elevation, carry out shaft floor back cover construction；
S5, after vertical shaft back cover intensity reaches design load, punched on prefabricated lining.
7. precast assembly shaft construction method according to claim 6, it is characterised in that in step S2, orlop prefabricated well
Wall is assembled and sinks to comprising the following steps：
S2-1, vertical shaft prefabricated film head and the tail are docked, adjacent vertical shaft prefabricated film connects that to form orlop prefabricated by I-steel angle brace
The borehole wall is simultaneously in place；
S2-2, excavate the middle cubsoil inside vertical shaft, it is 300mm to excavate depth；
S2-3, excavate the earthwork of vertical shaft bottom, once sunk；
S2-4, repeat step S2-2 to S2-3, orlop prefabricated lining is sunk into setting absolute altitude.
8. precast assembly shaft construction method according to claim 7, it is characterised in that in step S2-3, prefabricated vertical shaft list
Secondary submergence depth control is within 100mm.
9. precast assembly shaft construction method according to claim 6, it is characterised in that in step S4, vertical shaft back cover uses
Reinforced concrete cast-in-situ, depending on catch pit need to be set.
10. precast assembly shaft construction method according to claim 6, it is characterised in that in step S4, other layer of prefabricated well
The sinking step of wall is：
S4-1, excavate the middle cubsoil inside vertical shaft, it is 300mm to excavate depth；
S4-2, excavate the earthwork of vertical shaft bottom, once sunk, single submergence depth is controlled within 100mm；
S4-3, repeat step S4-1 to S4-2, individual layer prefabricated lining is sunk into setting absolute altitude.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711011790.3A CN107701191A (en) | 2017-10-25 | 2017-10-25 | A kind of precast assembly vertical shaft and its construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711011790.3A CN107701191A (en) | 2017-10-25 | 2017-10-25 | A kind of precast assembly vertical shaft and its construction method |
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| Publication Number | Publication Date |
|---|---|
| CN107701191A true CN107701191A (en) | 2018-02-16 |
Family
ID=61182366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711011790.3A Pending CN107701191A (en) | 2017-10-25 | 2017-10-25 | A kind of precast assembly vertical shaft and its construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107701191A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108547619A (en) * | 2018-05-16 | 2018-09-18 | 北京中地盾构工程技术研究院有限公司 | Underground shaft assembles recovery type prestressing force support equipment |
| CN109914482A (en) * | 2019-04-17 | 2019-06-21 | 北京有新环保科技有限公司 | One kind being suitable for push pipe working pit, electric power, heating power Prefabricated combined-type reinforced concrete vertical shaft |
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| JP2002309883A (en) * | 2001-04-10 | 2002-10-23 | Nippon Telegr & Teleph Corp <Ntt> | Shaft supporting structure for pipe jacking |
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| CN107023027A (en) * | 2017-04-19 | 2017-08-08 | 中国建筑第六工程局有限公司 | A kind of building concentration zones large-scale well-sinking construction method |
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| CN207315379U (en) * | 2017-10-25 | 2018-05-04 | 北京建工土木工程有限公司 | A kind of precast assembly vertical shaft |
-
2017
- 2017-10-25 CN CN201711011790.3A patent/CN107701191A/en active Pending
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| JP2002309883A (en) * | 2001-04-10 | 2002-10-23 | Nippon Telegr & Teleph Corp <Ntt> | Shaft supporting structure for pipe jacking |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108547619A (en) * | 2018-05-16 | 2018-09-18 | 北京中地盾构工程技术研究院有限公司 | Underground shaft assembles recovery type prestressing force support equipment |
| CN108547619B (en) * | 2018-05-16 | 2024-04-19 | 北京中地盾构工程技术研究院有限公司 | Underground shaft assembly recovery type prestress supporting equipment |
| CN109914482A (en) * | 2019-04-17 | 2019-06-21 | 北京有新环保科技有限公司 | One kind being suitable for push pipe working pit, electric power, heating power Prefabricated combined-type reinforced concrete vertical shaft |
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