CN208996732U - A kind of structure settled suitable for preventing ultra-deep shaft preliminary shaft section from moving - Google Patents
A kind of structure settled suitable for preventing ultra-deep shaft preliminary shaft section from moving Download PDFInfo
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- CN208996732U CN208996732U CN201821723328.6U CN201821723328U CN208996732U CN 208996732 U CN208996732 U CN 208996732U CN 201821723328 U CN201821723328 U CN 201821723328U CN 208996732 U CN208996732 U CN 208996732U
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- wall
- seat
- shaft section
- preliminary
- falling
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Abstract
The utility model relates to a kind of suitable for preventing ultra-deep shaft preliminary shaft section from moving the structure of sedimentation, belong to and is related to construction technology field, the wellbore bottom inner wall pours to form lock lower part borehole wall inner wall using steel fiber reinforced concrete, and it pours to form lock lower part borehole wall outer wall in lock lower part borehole wall inner wall before lock lower part borehole wall inner wall steel fiber reinforced concrete initial set, it latches and is equipped with preliminary shaft section at the top of lower part borehole wall inner wall, the seat of falling wall is equipped at the top of preliminary shaft section, it is uniformly provided with the screw-thread steel acted in conjunction with mixed mud inside preliminary shaft section and the seat of falling wall, is equipped at the top of the seat of falling wall and builds circle；The utility model weakens the lower influence to tensile stress to the seat of falling wall and preliminary shaft section joining place weakness section, so that the seat of falling wall is evenly distributed in around pit shaft the tensile stress of preliminary shaft section, it can be effectively reduced preliminary shaft section sedimentation deformation, provide the pulling force that the biggish safety guarantee seat of falling wall is subjected to stay portion's borehole wall for later period shaft construction.
Description
Technical field
The utility model relates to a kind of suitable for preventing ultra-deep shaft preliminary shaft section from moving the structure of sedimentation, be related to ultra-deep shaft
Preliminary shaft section moves the construction field of sedimentation.
Background technique
Currently, ultra-deep shaft construction will become normality, in ultra-deep shaft as the continuous item deep of mine resource exploitation extends
In process of construction, Shaft bank is all provided with preliminary shaft section, and preliminary shaft section is ground stack layer, this section of stratum topsoil is thick big, soil layer construction
Complexity, soil are soft modeling shape, and backfill object is loose, and porosity is big, and springy texture, bearing capacity is poor, and interim common brick builds circle and is laid in well
Cervical part of esophagus top, common brick, which builds circle, has pressure to preliminary shaft section, in addition fore shaft section self gravity, only by preliminary shaft section and periphery rock bonding force
Two parts gravity is supported, demand for security is not able to satisfy, common brick block circle and fore shaft section is caused to settle downwards, gives vertical shaft to construct and pacifies
Larger impact is brought entirely.
Utility model content
In order to solve the problems, such as background technique, the utility model passes through will the seat of falling wall, preliminary shaft section and well head terrace
The pouring of concrete one piece is connected, and weakens the lower shadow to tensile stress to the seat of falling wall and preliminary shaft section joining place weakness section
It ringing, the seat of falling wall bottom is sloped downwardly to form inclined-plane along pit shaft, so that ground forms inclined-plane around the seat of falling wall bottom and pit shaft,
Its stress surface can be increased, so that the seat of falling wall is evenly distributed in around pit shaft the tensile stress of preliminary shaft section, well can be effectively reduced
Cervical part of esophagus sedimentation deformation provides the pulling force that the biggish safety guarantee seat of falling wall is subjected to stay portion's borehole wall for later period shaft construction, together
When, it is formed with common brick by design and builds circle and ensure well head safe protection requirements during shaft construction, and readily removable removed after the completion of constructing.
In order to solve the problems, such as background technique, to solve the above problems, the utility model passes through following technical side
Case is realized:
The structure for being suitable for preventing ultra-deep shaft preliminary shaft section from moving sedimentation includes building circle, the seat of falling wall, screw-thread steel, preliminary shaft
Section, lock lower part borehole wall inner wall, lock lower part borehole wall outer wall, pit shaft, the wellbore bottom inner wall are poured using steel fiber reinforced concrete
It fills and forms lock lower part borehole wall inner wall, and before lock lower part borehole wall inner wall steel fiber reinforced concrete initial set in the lock lower part borehole wall
It is poured on the inside of wall and forms lock lower part borehole wall outer wall, preliminary shaft section is equipped at the top of lock lower part borehole wall inner wall, is equipped at the top of preliminary shaft section
The seat of falling wall is uniformly provided with the screw-thread steel acted in conjunction with mixed mud inside preliminary shaft section and the seat of falling wall, is equipped at the top of the seat of falling wall and builds circle.
Preferably, the seat of falling wall and block circle faying face are consistent with terrace absolute altitude.
Preferably, the block circle is built by common brick.
Preferably, the seat of falling wall and preliminary shaft section are at umbrella arrangements, and the seat of falling wall extends to outside pit shaft, and the seat of falling wall bottom
Portion is sloped downwardly to form inclined-plane along pit shaft.
The utility model has the following beneficial effects:
The utility model is weak by pouring and being connected the seat of falling wall, preliminary shaft section and well head terrace concrete one piece
Influence under having changed to tensile stress to the seat of falling wall and preliminary shaft section joining place weakness section, the seat of falling wall bottom dip down on the inside of pit shaft
It is oblique at inclined-plane so that around the seat of falling wall bottom and pit shaft ground formed inclined-plane, it is possible to increase its stress surface so that the seat of falling wall is to well
The tensile stress of cervical part of esophagus is evenly distributed in around pit shaft, can be effectively reduced preliminary shaft section sedimentation deformation, is mentioned for later period shaft construction
It is subjected to stay the pulling force of portion's borehole wall for the biggish safety guarantee seat of falling wall, meanwhile, it is formed with common brick by design and builds circle and ensure well
Well head safe protection requirements during tube construction, and readily removable removed after the completion of constructing.
Detailed description of the invention
Fig. 1 is the utility model cross-sectional structure schematic diagram；
Fig. 2 is the portion the utility model A-A cross-sectional view schematic diagram；
Fig. 3 is the portion the utility model B-B cross-sectional view schematic diagram；
Fig. 4 is the portion the utility model C-C cross-sectional view schematic diagram；
Fig. 5 is the utility model seat of falling wall and preliminary shaft section cross-sectional structure schematic diagram.
Figure label are as follows: 1- builds circle, the 2- seat of falling wall, 3- screw-thread steel, 4- preliminary shaft section, 5- lock lower part borehole wall inner wall, 6- lock
Detain portion's borehole wall outer wall, 7- pit shaft, 8- terrace.
Specific embodiment
In order to keep the purpose of this utility model, technical scheme and beneficial effects clearer, below in conjunction with attached drawing, to this
The preferred embodiment of utility model is described in detail, to facilitate the technical staff to understand.
As shown in Figs. 1-5, the structure for being suitable for preventing ultra-deep shaft preliminary shaft section from moving sedimentation includes building circle 1, the wall that falls
Seat 2, preliminary shaft section 4, latches lower part borehole wall inner wall 5, latches lower part borehole wall outer wall 6, pit shaft 7 screw-thread steel 3, in 7 bottom of pit shaft
Wall pours to form lock lower part borehole wall inner wall 5 using steel fiber reinforced concrete, and in lock 5 steel fiber reinforced concrete of lower part borehole wall inner wall
It is poured on the inside of lock lower part borehole wall inner wall 5 before pre-hardening and forms lock lower part borehole wall outer wall 6, make to latch 5 He of lower part borehole wall inner wall
The support pattern that lower part borehole wall outer wall 6 forms double-layer wall of well is latched, latches and is equipped with preliminary shaft section 4, preliminary shaft at the top of lower part borehole wall inner wall 5
4 top of section is equipped with the seat of falling wall 2, is constructed by 2 tilt angle of the seat of falling wall is met to the seat of falling wall basis with drilling machine, basis is opened
After the completion of digging, this layer of position ground is tamped with rammer compacter, levelling working face, formwork supporting plate, lays the binding seat of falling wall and preliminary shaft
Section double steel bar, carries out the seat of falling wall pouring after acceptance(check), the seat of falling wall and preliminary shaft section are disposably poured completion, the process is stringent
Quality control is carried out by job specfication, the final seat of falling wall 2, preliminary shaft section 4, which are poured with well head terrace 8 with concrete one piece, to be linked to be
One, weakens the lower influence to tensile stress to the seat of falling wall 2 and 4 joining place weakness section of preliminary shaft section, 2 size of the seat of falling wall takes
Certainly in mineshaft diameter, the seat of falling wall 2 and preliminary shaft section 4 are at umbrella arrangements, and the seat of falling wall 2 extends to outside pit shaft, and the seat of falling wall bottom
Be sloped downwardly to form inclined-plane along pit shaft 7, so that 2 bottom of the seat of falling wall and 7 surrounding ground of pit shaft form inclined-plane, it is possible to increase its by
Power face, the seat of falling wall 2 are made by double layer reinforced concrete, are poured by the techniques such as reinforcing bar laying, binding, coagulation pouring and preliminary shaft section
At an entirety, the seat of falling wall is the intermediate structures for ensureing preliminary shaft section and sinking by tension, so that 2 pairs of preliminary shaft sections 4 of the seat of falling wall
Tensile stress is evenly distributed in around pit shaft, can be effectively reduced preliminary shaft section sedimentation deformation, is provided for later period shaft construction larger
The safety guarantee seat of falling wall 2 be subjected to stay the pulling force of portion's borehole wall, design size is according to engineering geological condition, hydrogeologic condition
And mineshaft diameter and depth etc. determine, the screw-thread steel 3 acted in conjunction with mixed mud are uniformly provided with inside preliminary shaft section 4 and the seat of falling wall 2,
It is equipped at the top of wall seat 2 and builds circle 1, the seat of falling wall 2 and block 1 faying face of circle are consistent with 8 absolute altitude of terrace, after the seat of falling wall 2 is constructed, need
It after concrete curing reaches certain design strength, then is formed with common brick by design on the seat of falling wall 2 and builds circle 1, avoid influencing
Wall seat 2 uses quality, and it is well head safe during ensureing shaft construction that common brick is used as the major function for enclosing 1 is built in 2 upper end of the seat of falling wall
Protection requirements, opposite other materials, common brick, which builds circle, reduces 2 top load-bearing of the seat of falling wall, and readily removable after the completion of constructing removes.
The utility model is weak by pouring and being connected the seat of falling wall, preliminary shaft section and well head terrace concrete one piece
Influence under having changed to tensile stress to the seat of falling wall and preliminary shaft section joining place weakness section, the seat of falling wall bottom dip down on the inside of pit shaft
It is oblique at inclined-plane so that around the seat of falling wall bottom and pit shaft ground formed inclined-plane, it is possible to increase its stress surface so that the seat of falling wall is to well
The tensile stress of cervical part of esophagus is evenly distributed in around pit shaft, can be effectively reduced preliminary shaft section sedimentation deformation, is mentioned for later period shaft construction
It is subjected to stay the pulling force of portion's borehole wall for the biggish safety guarantee seat of falling wall, meanwhile, it is formed with common brick by design and builds circle and ensure well
Well head safe protection requirements during tube construction, and readily removable removed after the completion of constructing.
Finally, it is stated that preferred embodiment above is merely intended for describing the technical solutions of the present application, but not for limiting the present application, to the greatest extent
Pipe has been described in detail the utility model by above preferred embodiment, but those skilled in the art should manage
Solution, can make various changes, without departing from the utility model claims book institute to it in the form and details
The range of restriction.
Claims (4)
1. a kind of suitable for preventing ultra-deep shaft preliminary shaft section from moving the structure of sedimentation, it is characterised in that: described to be suitable for preventing from surpassing
The structure that deep shaft preliminary shaft section moves sedimentation includes building circle (1), the seat of falling wall (2), screw-thread steel (3), preliminary shaft section (4), lock lower part
Borehole wall inner wall (5), lock lower part borehole wall outer wall (6), pit shaft (7), pit shaft (7) bottom interior wall are poured using steel fiber reinforced concrete
It fills and forms lock lower part borehole wall inner wall (5), and in lock lower part before lock lower part borehole wall inner wall (5) steel fiber reinforced concrete initial set
It is poured on the inside of borehole wall inner wall (5) and forms lock lower part borehole wall outer wall (6), be equipped with preliminary shaft section at the top of lock lower part borehole wall inner wall (5)
(4), the seat of falling wall (2) are equipped at the top of preliminary shaft section (4), are uniformly provided with inside preliminary shaft section (4) and the seat of falling wall (2) and are acted in conjunction with mixed mud
Screw-thread steel (3), be equipped at the top of the seat of falling wall (2) and build circle (1).
2. according to claim 1 a kind of suitable for preventing ultra-deep shaft preliminary shaft section from moving the structure of sedimentation, feature exists
In: the seat of falling wall (2) and block circle (1) faying face are consistent with terrace absolute altitude.
3. according to claim 1 a kind of suitable for preventing ultra-deep shaft preliminary shaft section from moving the structure of sedimentation, feature exists
In: the block circle (1) is built by common brick.
4. according to claim 1 a kind of suitable for preventing ultra-deep shaft preliminary shaft section from moving the structure of sedimentation, feature exists
In: the seat of falling wall (2) and preliminary shaft section (4) are at umbrella arrangements, and the seat of falling wall (2) extends to outside pit shaft, and the seat of falling wall bottom
It is sloped downwardly to form inclined-plane in pit shaft (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821723328.6U CN208996732U (en) | 2018-10-24 | 2018-10-24 | A kind of structure settled suitable for preventing ultra-deep shaft preliminary shaft section from moving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821723328.6U CN208996732U (en) | 2018-10-24 | 2018-10-24 | A kind of structure settled suitable for preventing ultra-deep shaft preliminary shaft section from moving |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208996732U true CN208996732U (en) | 2019-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821723328.6U Active CN208996732U (en) | 2018-10-24 | 2018-10-24 | A kind of structure settled suitable for preventing ultra-deep shaft preliminary shaft section from moving |
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| Country | Link |
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| CN (1) | CN208996732U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113123793A (en) * | 2021-04-09 | 2021-07-16 | 金诚信矿业管理股份有限公司 | Weak stratum vertical shaft derrick structure and construction method thereof |
-
2018
- 2018-10-24 CN CN201821723328.6U patent/CN208996732U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113123793A (en) * | 2021-04-09 | 2021-07-16 | 金诚信矿业管理股份有限公司 | Weak stratum vertical shaft derrick structure and construction method thereof |
| CN113123793B (en) * | 2021-04-09 | 2023-07-25 | 金诚信矿业管理股份有限公司 | Weak stratum vertical shaft derrick structure and construction method thereof |
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