CN109751053A - A kind of double-layer wall of well and construction technology of the radially connected component of band - Google Patents
A kind of double-layer wall of well and construction technology of the radially connected component of band Download PDFInfo
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- CN109751053A CN109751053A CN201811569702.6A CN201811569702A CN109751053A CN 109751053 A CN109751053 A CN 109751053A CN 201811569702 A CN201811569702 A CN 201811569702A CN 109751053 A CN109751053 A CN 109751053A
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- wall
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- outer shaft
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Abstract
The present invention discloses a kind of double-layer wall of well of radially connected component of band, is related to Mine construction engineering technical field.The double-layer wall of well includes outer shaft wall, inner layer well wall, interlayer and connecting elements, interval in connecting elements includes that overlapped connecting elements skin segment and connecting elements；Interval is arranged with prestressing force pallet far from one end of outer shaft wall in connecting elements, and interval welds in prestressing force pallet and connecting elements.Double-layer wall of well disclosed by the invention realizes radially connected between inner layer well wall and outer shaft wall, raising borehole wall globality by being arranged radially connecting elements between double-layer wall of well；In addition interval far from one end of outer shaft wall is arranged prestressing force pallet in connecting elements, realize the prestressing effect between inner layer well wall and outer shaft wall, increase the carrying connection and load transmitting of inner layer well wall and outer shaft wall, on the basis of guaranteeing that pit shaft is able to bear the higher hydraulic pressure in deep, the design thickness of inner layer well wall is reduced, project cost is reduced.
Description
Technical field
The present invention relates to Mine construction engineering technical fields, and in particular to a kind of double-layer wall of well of the radially connected component of band and
Construction technology.
Background technique
Manual pipe jacking stratum method be in rich water or soft stratum pit shaft dig main method, the borehole wall be stop water flooding,
The supporting construction of soil pressure.Currently, the borehole wall is generally double-layer structure in manual pipe jacking sinking technique, it is divided into outer shaft wall and interior
The layer borehole wall.The effect of outer shaft wall is that safety work space is provided for shaft excavation, due to the work of manual pipe jacking sinking technique
Skill feature, outer shaft wall is up and down and discontinuous, successively exists between construction section and connects stubble, and after melting, outer shaft wall can not be risen
To good waterproof action, it is therefore desirable to inner layer well wall is built, it is permanent that underground water is stopped to pour in pit shaft.
In existing double-layer wall of well, inner layer well wall and outer shaft wall be it is separated, outer shaft wall is temporary support structures, well
It is considered as completing function after the completion of cylinder driving, and inner layer well wall is permanent support structure, needs permanently to bear ground water pressure.With
Mining depth increase, inner layer well wall bear hydraulic pressure incrementally increase, the prior art mainly by thicken inner layer well wall come
Its bearing capacity is improved, this way not only increases construction cost, wastes the bearing capacity of outer shaft wall.
Therefore, in view of problem above, it is necessary to propose a kind of globality of raising ectonexine borehole wall, make full use of outer layer well
The double-layer wall of well with radially connected component of the radial bearing capacity of wall, raising inner layer well wall is bearing Deep Mine to realize
On the basis of higher hydraulic pressure, reduce inner layer well wall thickness.
Summary of the invention
In view of this, the present invention proposes a kind of double-layer wall of well of radially connected component of band, by the way that radially connected internal layer is arranged
The connecting elements of the borehole wall and outer shaft wall, it is radially connected between realization inner layer well wall and outer shaft wall, improve the globality of the borehole wall.
In addition, interval far from one end of outer shaft wall is arranged prestressing force pallet in connecting elements, inner layer well wall and outer shaft wall are realized
Between prestressing effect, increase inner layer well wall and outer shaft wall carrying connection and load transmitting, efficiently use outer layer well
Wall improves the radial bearing capacity of inner layer well wall, on the basis of guaranteeing that the borehole wall is able to bear the higher hydraulic pressure in deep, reduce in
The design thickness of the layer borehole wall, to reduce project cost.
A kind of double-layer wall of well for the radially connected component of band that purpose according to the present invention proposes, including outer shaft wall, internal layer
The connecting elements of interlayer and radially connected outer shaft wall and inner layer well wall between the borehole wall, outer shaft wall and inner layer well wall, institute
Connecting elements is stated to include the pre- connecting elements skin segment being embedded in outer shaft wall and pour in the connecting elements in inner layer well wall
Interval, interval overlap joint in the connecting elements skin segment and connecting elements.
Preferably, interval far from one end of outer shaft wall is arranged with prestressing force pallet in the connecting elements, described pre- to answer
Power pallet welds under prestressed stretch-draw effect with interval in connecting elements, and the prestressing force pallet anchor clamp is in inner layer well wall reinforcing bar
On cage.
Preferably, the connecting elements further includes one being set to interval lap-joint in connecting elements skin segment and connecting elements
Connector case, the connector case is fixed on outer shaft wall at the reserved location on the steel reinforcement cage of inner layer well wall side, described to connect
Head case is open towards inner layer well wall；The connecting elements skin segment close to manual pipe jacking stratum one end binding on steel reinforcement cage,
Other end perforation is fixed in connector case, and closure processing is done in perforation.
Preferably, interval is hot rolled ribbed bars or fining twisted steel in the connecting elements skin segment and connecting elements
Muscle.
Preferably, in the connecting elements skin segment and connecting elements the overlapping mode of interval be welding or sleeve connection or
It is bolted.
Preferably, correspond on the interlayer between the outer shaft wall and inner layer well wall at the setting of connecting elements and form
Through-hole, the interlayer are plastic plate or needle spikesedge herb.
A kind of construction technology of the double-layer wall of well of the radially connected component of band, comprising the following steps:
Step 1: manual pipe jacking stratum method, sublevel drive freezing shaft are used；
Step 2: segmentation binding outer shaft wall steel reinforcement cage, position is by the welding binding of connector case in steel reinforcement cage in every section of section
At upper reserved location, connector box opening is towards inner layer well wall；Meanwhile by the radial pre-buried connecting elements skin segment of pit shaft, structure is connected
Part skin segment is bound on steel reinforcement cage close to the one end on manual pipe jacking stratum, and one end piercing welding close to inner layer well wall is fixed on
In connector case；
Step 3: the position of connecting elements skin segment perforation on connector case is blocked, the cover board at connector box opening is covered, is sealed
Close connector box opening；
Step 4: being laid with a layer compression thickness and the comparable rubber and plastic heat-preservation cotton of well-wall protection thickness degree outside cover board, and with moulding
Expect adhesive tape winding binding rubber and plastic heat-preservation cotton；
Step 5: pouring outer shaft wall, the demoulding after each section of outer shaft wall concrete initial set；
Step 6: after demoulding, outer shaft wall exposes rubber and plastic heat-preservation cotton close to the side of inner layer well wall, scratches rubber and plastic heat preservation
Cotton, connector cover plate of dismantling expose the overlap joint stubble on connecting elements skin segment；
Step 7: the interlayer being laid between inner layer well wall and outer shaft wall, and in setting corresponding to connecting elements on interlayer
Dig out through-hole in the place of setting；
Step 8: binding inner layer well wall steel reinforcement cage, when binding to each bonding layer, along pit shaft radially binding connecting elements
Interval, interval one end is overlapped on overlap joint stubble in connecting elements, and the other end passes through inner layer well wall steel reinforcement cage, and is arranged one in end
Prestressing force pallet, interval is arranged with the end of prestressing force pallet one end in pre- drawing connecting elements, answers in advance to connecting elements application
Power is welded and fixed interval in prestressing force pallet and connecting elements, discharges after the completion of welding later in the state of keeping pulling capacity
Pulling capacity, prestressing force pallet anchor clamp is on inner layer well wall steel reinforcement cage；
Step 9: from bottom to top continuously bind and pour inner layer well wall.
Compared with prior art, a kind of the advantages of double-layer wall of well of the radially connected component of band disclosed by the invention, is:
The double-layer wall of well realizes internal layer well by the way that the connecting elements of radially connected inner layer well wall and outer shaft wall is arranged
It is radially connected between wall and outer shaft wall, the globality of the borehole wall is improved, while realizing pre- between inner layer well wall and outer shaft wall
Stress effect, the carrying connection and load for increasing inner layer well wall and outer shaft wall are transmitted, effective use outer shaft wall, in raising
The radial bearing capacity of the layer borehole wall reduces inner layer well wall on the basis of guaranteeing that the borehole wall is able to bear the higher hydraulic pressure in deep
Design thickness substantially reduces project cost.
Detailed description of the invention
It, below will be to embodiment or existing for the clearer technical solution for illustrating the embodiment of the present invention or the prior art
Attached drawing needed in technical description does simple introduction, it is clear that, the accompanying drawings in the following description is only this hair
Bright some embodiments, it will be clear to the skilled person that without creative efforts, may be used also
Other accompanying drawings can also be obtained according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram of the double-layer wall of well of the radially connected component of band disclosed by the invention.
Fig. 2 is double-layer wall of well horizontal sectional view.
Fig. 3 is connecting elements skin segment schematic diagram.
Parts title representated by number or letter in figure are as follows:
1- manual pipe jacking stratum；2- outer shaft wall；3- inner layer well wall；4- interlayer；5- connecting elements skin segment；6- connector
Case；7- rubber and plastic heat-preservation cotton；Interval in 8- connecting elements；9- prestressing force pallet.
Specific embodiment
A specific embodiment of the invention is described briefly with reference to the accompanying drawing.Obviously, described embodiment is only
It is a part of the embodiments of the present invention, rather than whole embodiments, based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without making creative work, belongs to the scope of protection of the invention.
Fig. 1-Fig. 3 shows preferred embodiments of the present invention, has carried out detailed cut open to structure from different angles respectively
Analysis.
A kind of double-layer wall of well of the radially connected component of band as shown in Figs. 1-3, the outer shaft wall 2 built including segmentation pick connect
Interlayer 4 and radially connected outer shaft wall 2 and internal layer between continuous inner layer well wall 3, outer shaft wall 2 and the inner layer well wall 3 poured
The connecting elements of the borehole wall 3, and the setting of connecting elements, it is radially connected between realization inner layer well wall 3 and outer shaft wall 2, it improves
The globality of double-layer wall of well.Specifically, connecting elements includes the pre- connecting elements skin segment 5 being embedded in outer shaft wall 2 and pours
It is overlapped in interval 8 in interval 8 in the connecting elements in inner layer well wall 3, connecting elements skin segment 5 and connecting elements.Connecting elements
Skin segment 5 and the overlapping mode of interval 8 in connecting elements are unlimited, preferred weld, sleeve connection or are bolted.
Further, 8 one end of interval and connecting elements skin segment 5 overlap in connecting elements, one end far from outer shaft wall 2
Across inner layer well wall 3, it is equipped with prestressing force pallet 9 in its end sleeve, interval 8 is in prestressing force in prestressing force pallet 9 and connecting elements
The lower welding of tensioning effect, after discharging pulling capacity, 9 anchor clamp of prestressing force pallet is on 3 steel reinforcement cage of inner layer well wall.Prestressing force pallet 9
Setting, realizes the prestressing effect between inner layer well wall 3 and outer shaft wall 2, increases inner layer well wall 3 and outer shaft wall 2
Carrying connection and load transmitting reduce setting for inner layer well wall 3 on the basis of guaranteeing that pit shaft is able to bear the higher hydraulic pressure in deep
Thickness is counted, to reduce project cost.
Further, connecting elements further includes one being set to 8 lap-joint of interval in connecting elements skin segment 5 and connecting elements
Connector case 6, connector case 6 is fixed on outer shaft wall 2 at the reserved location on the steel reinforcement cage of 3 side of inner layer well wall, connector case 6
It is open towards inner layer well wall 3.Connecting elements skin segment 5 close to manual pipe jacking stratum 1 one end binding on steel reinforcement cage, the other end
Piercing welding is fixed in connector case 6.The setting of connector case 6, convenient for exposure overlap joint stubble after demoulding, so that the implementation of lap joint process
It is more convenient.
Further, closure processing need to be done at connector case 6 and 5 perforation of connecting elements skin segment, enters to prevent concrete and connects
In head case.
Further, 8 selection of interval is unlimited in connecting elements skin segment 5 and connecting elements, preferably hot rolled ribbed bars or
Finish rolling deformed bar.
Further, corresponding to molding at the setting of connecting elements on the interlayer 4 between outer shaft wall 2 and inner layer well wall 3
There is through-hole, the setting of through-hole is convenient for exposure overlap joint stubble.And the interlayer 4 between outer shaft wall 2 and inner layer well wall 3 is plastic plate or ox
Felt.
A kind of construction technology of the double-layer wall of well of the radially connected component of band, comprising the following steps:
Step 1: manual pipe jacking stratum method, sublevel drive pit shaft are used.
Step 2: segmentation binding 2 steel reinforcement cage of outer shaft wall, connector case 6 is welded or is bound in steel by position in every section of section
On muscle cage at reserved location, connector case 6 is open towards inner layer well wall 3, meanwhile, by the radial pre-buried connecting elements skin segment 5 of pit shaft,
Connecting elements skin segment 5 is bound on steel reinforcement cage close to the one end on manual pipe jacking stratum 1, is perforated close to one end of inner layer well wall 3
It is weldingly fixed in connector case 6.
Step 3: connector case 6 and 5 punch position of connecting elements skin segment are blocked using cold-patching tube gum, covers the lid of connector case 6
Plate, the unsuitable higher cage of 6 cover board of connector case are too many.
Step 4: being laid with a layer compression thickness and the comparable rubber and plastic heat-preservation cotton 7 of well-wall protection thickness degree outside cover board, and with moulding
Expect adhesive tape winding binding rubber and plastic heat-preservation cotton 7, after punching block slab supporting is good, so that rubber and plastic heat-preservation cotton 7 is just tightly against steel form,
So that just leaking out rubber and plastic heat-preservation cotton 7 when removing outer borehole wall template.
Step 5: segmentation pours outer shaft wall 2 to design wall seat and sets, and tears open after each section of 2 concrete initial set of outer shaft wall
Mould.
Step 6: after demoulding, outer shaft wall 2 exposes rubber and plastic heat-preservation cotton 7 close to the side of inner layer well wall 3, scratches rubber and plastic guarantor
Warm cotton 7,6 cover board of connector case of dismantling expose the overlap joint stubble on connecting elements skin segment 5.
Step 7: the interlayer 4 being laid between inner layer well wall 3 and outer shaft wall 2, and in corresponding to connecting elements on interlayer 4
Setting at dig out through-hole.
Step 8: binding 3 steel reinforcement cage of inner layer well wall when binding to each bonding layer, radially binds connecting elements along pit shaft
Interior interval 8,8 one end of interval is overlapped on overlap joint stubble in connecting elements, and the other end passes through 3 steel reinforcement cage of inner layer well wall, and in end
It is arranged a prestressing force pallet 9, interval 8 is arranged with the end of 9 one end of prestressing force pallet in pre- drawing connecting elements, gives connecting elements
Apply prestressing force, later in the state of keeping pulling capacity, interval 8 in prestressing force pallet 9 and connecting elements, welding is welded and fixed
Pulling capacity is discharged after the completion, and 9 anchor clamp of prestressing force pallet realizes inner layer well wall 3 and outer shaft wall 2 on 3 steel reinforcement cage of inner layer well wall
Between prestressing effect.Specifically, the one end of interval 8 far from outer shaft wall 2 in connecting elements, exposed to exceed inner layer well wall 3
The length of steel reinforcement cage is less than 3 protective layer thickness of inner layer well wall.
Step 9: from bottom to top continuous placing inner layer well wall 3 completes the construction of double-layer wall of well.
In conclusion a kind of double-layer wall of well of the radially connected component of band disclosed by the invention, by being arranged in radially connected
The connecting elements of the layer borehole wall and outer shaft wall, it is radially connected between realization inner layer well wall and outer shaft wall, improve the entirety of the borehole wall
Property.In addition, by connecting elements interval far from one end of outer shaft wall be arranged prestressing force pallet, realize inner layer well wall and outer
Prestressing effect between the layer borehole wall increases the carrying connection and load transmitting of inner layer well wall and outer shaft wall, effective use
Outer shaft wall improves the radial bearing capacity of inner layer well wall, on the basis of guaranteeing that the borehole wall is able to bear the higher hydraulic pressure in deep, drop
The low design thickness of inner layer well wall, to reduce project cost.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
The foregoing description of the disclosed embodiments makes professional and technical personnel in the field can be realized and use the present invention.
Various modifications to these embodiments mode will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit and scope of the present invention.Therefore, originally
Invention is not intended to be limited to the embodiments shown herein, and is to fit to the principles and novel features disclosed herein phase
Consistent widest scope.
Claims (7)
1. a kind of double-layer wall of well of the radially connected component of band, which is characterized in that the double-layer wall of well includes outer shaft wall (2), internal layer
Interlayer (4) and radially connected outer shaft wall (2) and internal layer well between the borehole wall (3), outer shaft wall (2) and inner layer well wall (3)
The connecting elements of wall (3), the connecting elements include the connecting elements skin segment (5) being embedded in outer shaft wall (2) in advance and pour
It is taken in interval (8) in interval (8) in the connecting elements in inner layer well wall (3), the connecting elements skin segment (5) and connecting elements
It connects.
2. a kind of double-layer wall of well of the radially connected component of band according to claim 1, which is characterized in that the connecting elements
Interior interval (8) is arranged with prestressing force pallet (9) far from the one end of outer shaft wall (2), the prestressing force pallet (9) and connecting elements
Interior interval (8) is welded under prestressed stretch-draw effect, and prestressing force pallet (9) anchor clamp is on inner layer well wall (3) steel reinforcement cage.
3. a kind of double-layer wall of well of the radially connected component of band according to claim 2, which is characterized in that the connecting elements
It further include a connector case (6) for being set to interval (8) lap-joint in connecting elements skin segment (5) and connecting elements, the connector
Case (6) is fixed on outer shaft wall (2) at the reserved location on the steel reinforcement cage of inner layer well wall (3) side, and the connector case (6) is opened
Mouthful towards inner layer well wall (3)；The connecting elements skin segment (5) binds close to the one end of manual pipe jacking stratum (1) in steel reinforcement cage
On, other end perforation is fixed in connector case (6), and closure processing is done in perforation.
4. a kind of double-layer wall of well of the radially connected component of band according to claim 1, which is characterized in that the connecting elements
Interval (8) is hot rolled ribbed bars or finish rolling deformed bar in skin segment (5) and connecting elements.
5. a kind of double-layer wall of well of the radially connected component of band according to claim 1, which is characterized in that the connecting elements
The overlapping mode of interval (8) is welding or sleeve connection or is bolted in skin segment (5) and connecting elements.
6. a kind of double-layer wall of well of the radially connected component of band according to claim 1, which is characterized in that the outer shaft wall
(2) corresponding to through-hole is formed at the setting of connecting elements on the interlayer (4) between inner layer well wall (3), the interlayer (4) is
Plastic plate or needle spikesedge herb.
7. a kind of described in any item construction technologies of the double-layer wall of well of the radially connected component of band of manufacturing claims 1-6, special
Sign is, comprising the following steps:
Step 1: manual pipe jacking stratum method, sublevel drive freezing shaft are used；
Step 2: segmentation binding outer shaft wall (2) steel reinforcement cage, position is by connector case (6) welding binding in reinforcing bar in every section of section
On cage at reserved location, connector case (6) is open towards inner layer well wall (3)；Meanwhile by the radial pre-buried connecting elements skin segment of pit shaft
(5), connecting elements skin segment (5) is bound on steel reinforcement cage close to the one end of manual pipe jacking stratum (1), close to inner layer well wall (3)
One end piercing welding be fixed in connector case (6)；
Step 3: the position of connecting elements skin segment (5) perforation on connector case (6) is blocked, the lid of connector case (6) opening is covered
Plate, closed joint case (6) opening；
Step 4: it is laid with a layer compression thickness and the comparable rubber and plastic heat-preservation cotton (7) of well-wall protection thickness degree outside cover board, and uses plastics
Adhesive tape winding binding rubber and plastic heat-preservation cotton (7)；
Step 5: pouring outer shaft wall (2), the demoulding after each section of outer shaft wall (2) concrete initial set；
Step 6: after demoulding, outer shaft wall (2) exposes rubber and plastic heat-preservation cotton (7) close to the side of inner layer well wall (3), scratches rubber and plastic
Heat-preservation cotton (7), connector case (6) cover board of dismantling expose the overlap joint stubble on connecting elements skin segment (5)；
Step 7: the interlayer (4) being laid between inner layer well wall (3) and outer shaft wall (2), and connected in corresponding on interlayer (4)
Through-hole is dug out at the setting of component；
Step 8: binding inner layer well wall (3) steel reinforcement cage, when binding to each bonding layer, along pit shaft radially binding connecting elements
Interval (8), interval (8) one end is overlapped on overlap joint stubble in connecting elements, and the other end passes through inner layer well wall (3) steel reinforcement cage, and in
End is arranged a prestressing force pallet (9), and interval (8) is arranged with the end of prestressing force pallet (9) one end in pre- drawing connecting elements,
Apply prestressing force to connecting elements and prestressing force pallet (9) and connecting elements is welded and fixed later in the state of keeping pulling capacity
Interior interval (8) discharges pulling capacity after the completion of welding, and prestressing force pallet (9) anchor clamp is on inner layer well wall (3) steel reinforcement cage；
Step 9: it from bottom to top continuously binds and pours inner layer well wall (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811569702.6A CN109751053B (en) | 2018-12-21 | 2018-12-21 | Double-layer well wall with radial connecting members and construction process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811569702.6A CN109751053B (en) | 2018-12-21 | 2018-12-21 | Double-layer well wall with radial connecting members and construction process |
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| Publication Number | Publication Date |
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| CN109751053A true CN109751053A (en) | 2019-05-14 |
| CN109751053B CN109751053B (en) | 2020-03-27 |
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ID=66403027
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811569702.6A Active CN109751053B (en) | 2018-12-21 | 2018-12-21 | Double-layer well wall with radial connecting members and construction process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2020273364B2 (en) * | 2019-06-26 | 2021-04-22 | Beijing China Coal Mine Engineering Co., Ltd. | A new type of mining rooting-anchoring double-layer shaft lining |
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| SU1040157A1 (en) * | 1982-02-09 | 1983-09-07 | Всесоюзный Ордена Трудового Красного Знамени Научно-Исследовательский Институт Горной Геомеханики И Маркшейдерского Дела | Multilayer support of mine working |
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| AU2020273364B2 (en) * | 2019-06-26 | 2021-04-22 | Beijing China Coal Mine Engineering Co., Ltd. | A new type of mining rooting-anchoring double-layer shaft lining |
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| CN109751053B (en) | 2020-03-27 |
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