CN106894820A - A kind of waterproof well wall retractable device and its construction technology - Google Patents
A kind of waterproof well wall retractable device and its construction technology Download PDFInfo
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- CN106894820A CN106894820A CN201710034787.7A CN201710034787A CN106894820A CN 106894820 A CN106894820 A CN 106894820A CN 201710034787 A CN201710034787 A CN 201710034787A CN 106894820 A CN106894820 A CN 106894820A
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- well wall
- shaped steel
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- 238000010276 construction Methods 0.000 title claims abstract description 97
- 238000005516 engineering process Methods 0.000 title claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 76
- 239000010959 steel Substances 0.000 claims abstract description 76
- 238000007906 compression Methods 0.000 claims abstract description 38
- 230000006835 compression Effects 0.000 claims abstract description 38
- 239000000945 filler Substances 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 40
- 230000004888 barrier function Effects 0.000 claims description 31
- 239000000463 material Substances 0.000 claims description 25
- 239000002131 composite material Substances 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 11
- 238000009415 formwork Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 239000011796 hollow space material Substances 0.000 claims description 2
- -1 polyethylene Polymers 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 239000002689 soil Substances 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005325 percolation Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D7/00—Shaft equipment, e.g. timbering within the shaft
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D1/00—Sinking shafts
- E21D1/10—Preparation of the ground
- E21D1/12—Preparation of the ground by freezing
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D5/00—Lining shafts; Linings therefor
- E21D5/11—Lining shafts; Linings therefor with combinations of different materials, e.g. wood, metal, concrete
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Wood Science & Technology (AREA)
- Lining And Supports For Tunnels (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
A kind of waterproof well wall retractable device and its construction technology.It can compression apparatus include the U-shaped steel construction of circular annular form, arch brace plate and compressible filler, U-shaped steel construction segmental arc is end to end constitutes by several for the U-shaped steel construction of circular annular form, also by several, curved support plate is end to end constitutes for arch brace plate, arch brace plate is fixedly connected on the openend inner side of the U-shaped steel construction of circular annular form, and compressible filler is loaded in the cavity formed between the U-shaped steel construction of circular annular form and arch brace plate.Simple structure of the present invention, easy construction, good airproof performance, compression ratio is high, reliable working performance, can effectively reduce construction costs and engineering construction difficulty, there is practicality widely in the art.
Description
Technical field
The present invention relates to a kind of waterproof well wall retractable device and its construction technology, it is adaptable to which the vertical of construction freezing method is double-deck
The inner layer well wall of concrete composite shaft lining.
Background technology
As mining activities depth is constantly deepened, increasing pitshaft need to pass through thick surface soil using freezing process
Or the aqueous incompetent bed of hole, due to reasons such as freeze thawing sedimentation, table Tu Hanshuicengshupaishui, cause the sedimentation on stratum and be applied to
Pit shaft vertical force, brings well shaft destroyed engineering accident.
In order to solve the problems, such as the well shaft destroyed that ground settlement brings, forefathers have developed it is various can compression apparatus, when the borehole wall is perpendicular
When allowing vertical load more than Shaft wall design to stress, can compression apparatus will produce vertical compression, the release borehole wall is excessive
Vertical force, makes the allowable stress of the vertical stress no more than design of the borehole wall, prevents the borehole wall from break accident occurring.The existing dress that contracts
Install meter compression ratio it is very high, due to can compression apparatus stress complexity, its constraint for being vulnerable to outer shaft wall is caused can compression apparatus reality
Border compression ratio reduction, does not reach design compression ratio.Due to the abominable of wellbore conditions, it is existing can compression apparatus and outer shaft wall it
Between be also easy to produce gap, cause water in stratum serious to seepage in well, cause the borehole wall to damage and produce dangerous.
The content of the invention
The purpose of the present invention is directed to the weak point in prior art, there is provided a kind of simple structure, easy construction, compression
Rate is high, the waterproof well wall retractable device of good airproof performance, reliable working performance and its construction technology.
The present invention solve its technical problem use technical scheme be：
A kind of waterproof well wall retractable device, the seam crossing of its inner layer well wall for being arranged on the composite concrete borehole wall is described
Can compression apparatus include the U-shaped steel construction of circular annular form, arch brace plate and compressible filler, if the U-shaped steel construction of circular annular form by
The dry U-shaped end to end composition of steel construction segmental arc, also by several, curved support plate is end to end constitutes for arch brace plate, annulus
Supporting plate is fixedly connected on the openend inner side of the U-shaped steel construction of circular annular form, the U-shaped steel construction of circular annular form and arch brace plate it
Between load compressible filler in the cavity that is formed.
A kind of waterproof well wall retractable device applies the construction technology in newly-built composite well wall of vertical shaft, and construction procedure is as follows：
A. when inner layer well wall is poured into the design height of side water barrier, decentralization side water barrier, decentralization have been welded
Ring flange and lower ring seal plate assembly, side water barrier are close to outer shaft wall construction, are welded to connect side water proof version and flanged plate；
B. staying the pouring hole for setting to pour by ring flange after formwork erection can compression apparatus lower section section lower inner layer well wall high；C. decentralization is welded
The assembly of U-shaped steel construction segmental arc and upper ring seal plate, and assembling forms the U-shaped steel construction of circular annular form, upper ring seal plate
The top of the U-shaped steel construction of circular annular form and symmetrical with the position of lower ring seal plate is fixedly connected on, in the U-shaped steel of circular annular form
Compressible filler is installed in the inner chamber of structure, curved support is installed successively on the inside of the openend of the U-shaped steel construction of circular annular form
Plate shape is into arch brace plate；D. compressible material, compressible material are filled between the U-shaped steel construction of circular annular form and side water barrier
Water barrier is installed on top, and upper water barrier is welded to connect with side water barrier；E. to the prototype annular U type steel knot inside pit shaft
Structure is welded to connect with ring flange position；F. by normal procedure pour can be more than compression apparatus upper inner layer well wall until pouring completion.
A kind of waterproof well wall retractable device applies the construction technology in built composite well wall of vertical shaft, and construction procedure is as follows：
A. being demarcated in inner layer well wall will install the position of compressible devices and dig, and microlith coagulation is poured at cutting
Soil is levelling；B. the assembly of the U-shaped steel construction segmental arc and lower ring seal plate being welded is transferred, and assembling forms circular annular form U
Formed steel construction, installs compressible filler, the opening of the U-shaped steel construction of circular annular form in the inner chamber of the U-shaped steel construction of circular annular form
End inner side is installed by curved support plate shape into arch brace plate successively；C. compressible material can be filled between compression apparatus and outer shaft wall
Material；D. toward can compression apparatus top filling pea gravel concreten, can compression apparatus the U-shaped steel construction of circular annular form open end above
One upper ring seal plate of welding；E. go up between ring seal plate and inner layer well wall, between lower ring seal plate and inner layer well wall
It is fixedly connected by anchor pole after filling waterproof layer.
Compared to existing technology, a kind of waterproof well wall retractable device of the invention and its construction technology, due to can compression apparatus master
To be made up of the U-shaped steel construction of circular annular form, arch brace plate and compressible filler, in the U-shaped structure of the U-shaped steel construction of circular annular form
Make with upper and lower two connected compression faces, add its internal compressible filler installed, make the compression ratio of compressible devices
Greatly improve, can effectively limit the growth of inner layer well wall axial stress, prevent shaft rupture；And in circular rings
Between the U-shaped steel construction of shape and outer shaft wall fill compressible material ensure that can compression apparatus deformation space, improve compression
The reliability of space availability ratio and compressible devices；Additionally, seal plate and various water barriers, the setting of waterproof layer, improve
The water permeability resistance energy of inner layer well wall, improves sealing；Meanwhile, its simple structure, from heavy and light, so easy construction, engineering
Cost and engineering construction difficulty are all reduced, with wide applicability.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation applied in newly-built composite well wall of vertical shaft of the invention.
Fig. 2 is the transverse sectional view of Fig. 1.
Fig. 3 is the structural representation applied in built composite well wall of vertical shaft of the invention.
Fig. 4 is the transverse sectional view of Fig. 2.
In figure, 1, outer shaft wall, 2, side water barrier, 3, compressible material, 4, ring flange, 5, U-shaped steel construction segmental arc, 6, under
Inner layer well wall, 7, lower ring seal plate, 8, compressible filler, 9, curved support plate, 10, upper inner layer well wall, 11, upper annular stops
Water plate, 12, upper water barrier, 13, waterproof layer, 14, anchor pole.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, belongs to protection scope of the present invention.
A kind of waterproof well wall retractable device in Fig. 1 to Fig. 4, its inner layer well wall for being arranged on the composite concrete borehole wall connects
At seam, it is described can compression apparatus include the U-shaped steel construction of circular annular form, arch brace plate and compressible filler 8, this is compressible to fill out
Fill thing 8 for compressible backing material or hollow-core construction, wherein, compressible backing material can be timber, cystosepiment or
One or more in rubber, and hollow-core construction can be the I-shape construction or trench structure that are made up of timber or steel or
T-steel structure or box-structure also or above structure combining structure etc. other possess the structure being internally hollow, circular rings
U-shaped steel construction segmental arc 5 is end to end constitutes by several for the U-shaped steel construction of shape, and arch brace plate is also by several curved support plates 9
End to end composition, arch brace plate is fixedly connected on the openend inner side of the U-shaped steel construction of circular annular form, the U-shaped steel of circular annular form
Compressible filler 8 is loaded in the cavity formed between structure and arch brace plate.The axle that ground settlement brings to inner layer well wall
Acted on first to pressure on the U-shaped steel construction of circular annular form and arch brace plate, be then transferred to compressible filler 8, it is circular
Annular U type steel construction encloses the cavity constructions being set as with arch brace plate, and to compare existing steel compressibility in itself good, adds
The good axial deformation ability of compressible filler 9, can more efficiently offset axial compressive force, can effectively limit inner layer well wall
The growth of axial stress, prevents shaft rupture.
Referring to 1 and Fig. 2, waterproof well wall retractable device of the invention applies the construction technology in newly-built composite well wall of vertical shaft,
Step is as follows：
A. when inner layer well wall is poured into the design height of side water barrier 2, side water barrier 2, the method that decentralization is welded are transferred
The assembly of blue disk 4 and lower ring seal plate 7, wherein the interior empty face that lower ring seal plate 7 is fixedly connected on ring flange 4 is simultaneously vertical
Downwards, side water proof edition 2 and flanged plate 4 are welded to connect, while side water barrier 2 is close to outer shaft wall 1 constructing；Side water barrier 2 can be with
From steel plate or polyethylene panel, and the thickness of generally steel plate is not more than 10mm；
B. after formwork erection by ring flange 4 stay the pouring hole for setting pour can compression apparatus lower section section lower inner layer well wall high one kind
Waterproof well wall retractable device applies the construction technology 6 in built composite well wall of vertical shaft；
C. the assembly of prefabricated U-shaped steel construction segmental arc 5 and upper ring seal plate 11 is transferred, and assembling forms circular rings
The U-shaped steel construction of shape, upper ring seal plate 11 be fixedly connected on the top of the U-shaped steel construction of circular annular form and with lower ring seal plate 7
Position it is symmetrical, compressible filler 8 is installed in the inner chamber of the U-shaped steel construction of circular annular form, in the U-shaped steel construction of circular annular form
Openend inner side curved support plate 9 be installed successively form arch brace plate；
D. compressible material 3, the top of compressible material 3 peace are filled between the U-shaped steel construction of circular annular form and side water barrier 2
Water barrier 12 is loaded onto, upper water barrier 12 is closely connected with side water barrier 2, for example, welds；Upper water barrier 12 is usually and scribbles waterproof
The thickness of material is not more than the steel plate of 10mm；Generally, extended length that can be by side water barrier 2 on outer shaft wall 1, make side every
The two ends of water layer 2 can so increase the percolation path of underground water beyond the restriction of ring flange 4 and upper water barrier 12；
E. the prototype annular U type steel construction 5 inside pit shaft is welded to connect with the position of ring flange 4.
F. by normal procedure pour can be more than compression apparatus upper inner layer well wall 10 until pouring completion.
Referring to 3 and Fig. 4, waterproof well wall retractable device of the invention applies the construction technology in built composite well wall of vertical shaft,
Step is as follows：
A. being demarcated in inner layer well wall will install the position of compressible devices and dig, and microlith coagulation is poured at cutting
Soil is levelling；
B. the assembly of the U-shaped steel construction segmental arc 5 and lower ring seal plate 7 being welded is transferred, and assembling forms circular rings
The U-shaped steel construction of shape, installs compressible filler 8 in the inner chamber of the U-shaped steel construction of circular annular form, the U-shaped steel construction of circular annular form
Curved support plate 9 is installed successively and forms arch brace plate in openend inner side；
C. compressible material 3 can be filled between compression apparatus and outer shaft wall 1；
D. toward can compression apparatus top filling pea gravel concreten, can compression apparatus the U-shaped steel construction of circular annular form openend
One upper ring seal plate 11 of portion top connection；
E. go up between ring seal plate 11 and inner layer well wall, waterproof material is filled between lower ring seal plate 9 and inner layer well wall
It is fixedly connected by anchor pole 14 after the bed of material 13.
In the construction technology of above-mentioned built composite well wall of vertical shaft, upper ring seal plate 11 and lower ring seal plate 7 are in pit shaft
Borehole wall arrangement is close in inside, enhances the water blockoff path of device, improves the sealing of device.
The above-mentioned upper ring seal plate 11 and lower ring applied in the construction technology of newly-built and built composite well wall of vertical shaft
Shape seal plate 7 can be made using steel plate.
The compressible material 3 selected in construction technology of the present invention does not compress when concrete above compressible devices is poured,
When compressible devices operating room, compression ratio up to more than 85%, such as cystosepiment or other hollow materials or structure, in circular rings
Between the U-shaped steel construction of shape and outer shaft wall 1 fill compressible material 3 ensure that can compression apparatus deformation space, improve can
The reliability of compression set.
The above, is only presently preferred embodiments of the present invention, not does any formal limitation to the present invention, it is every according to
According to technical spirit of the invention, any simple modification and equal change are made to above example, each fall within guarantor of the invention
Within the scope of shield.
Claims (10)
1. a kind of waterproof well wall retractable device, its inner layer well wall for being arranged on the composite concrete borehole wall, it is characterized in that：Described can
Compression apparatus include the U-shaped steel construction of circular annular form, arch brace plate and compressible filler (8), if the U-shaped steel construction of circular annular form by
The dry end to end composition of U-shaped steel construction segmental arc (5), arch brace plate is also by several end to end group of curved support plates (9)
Into arch brace plate is fixedly connected on the openend inner side of the U-shaped steel construction of circular annular form, the U-shaped steel construction of circular annular form and annulus
Compressible filler (8) is loaded in the cavity formed between supporting plate.
2. a kind of waterproof well wall retractable device according to claim 1, it is characterized in that：The compressible filler (8) is
Compressible backing material or hollow-core construction.
3. a kind of waterproof well wall retractable device according to claim 2, it is characterized in that：The compressible backing material is
Timber, cystosepiment or rubber.
4. a kind of waterproof well wall retractable device according to claim 2, it is characterized in that：The hollow-core construction be by timber or
I-shaped or groove profile or the combining structure of T-steel or box-structure or above structure that person's steel are made.
5. a kind of waterproof well wall retractable device as claimed in claim 1 applies the construction technology in newly-built composite well wall of vertical shaft, applies
Work step is suddenly as follows：
A. when inner layer well wall is poured into the design height of side water barrier (2), side water barrier (2), the method that decentralization is welded are transferred
Blue disk (4) and lower ring seal plate (7) assembly, and it is welded to connect side water barrier (2) and flanged plate (4)；
B. staying the pouring hole for setting to pour by ring flange (4) after formwork erection can compression apparatus decentralization section lower inner layer well wall (6) high；
C. the assembly of U-shaped steel construction segmental arc (5) and the upper ring seal plate (11) being welded is transferred, and assembling forms circular rings
The U-shaped steel construction of shape, upper ring seal plate (11) be fixedly connected on the top of the U-shaped steel construction of circular annular form and with lower ring seal plate
(7) position is symmetrical, and compressible filler (8) is installed in the inner chamber of the U-shaped steel construction of circular annular form, U-shaped in circular annular form
Curved support plate (9) is installed successively and forms arch brace plate in the openend inner side of steel construction；
D. compressible material (3), compressible material (3) top are filled between the U-shaped steel construction of circular annular form and side water barrier (2)
Water barrier (12) is installed, upper water barrier (12) is welded to connect with side water barrier (2), and upper water barrier is welded with U-shaped steel construction segmental arc
Connect in succession；
E. the U-shaped steel construction of circular annular form inside pit shaft is welded to connect with ring flange (4) position；
F. by normal procedure pour can be more than compression apparatus upper inner layer well wall (10) until pouring completion.
6. a kind of waterproof well wall retractable device according to claim 5 applies the construction work in newly-built composite well wall of vertical shaft
Skill, it is characterized in that：The side water barrier (2) is steel plate or polyethylene panel；Upper water barrier (12) is coated with waterproof material
Steel plate.
7. a kind of waterproof well wall retractable device according to claim 5 or 6 applies the construction in newly-built composite well wall of vertical shaft
Technique, it is characterized in that：The quantity of the upper ring seal plate (11) and lower ring seal plate (7) is one or multi-channel.
8. a kind of waterproof well wall retractable device as claimed in claim 1 applies the construction technology in built composite well wall of vertical shaft, applies
Work step is suddenly as follows：
A. being demarcated in inner layer well wall will install the position of compressible devices and dig, and pea gravel concreten be poured at cutting and be looked for
It is flat；
B. the assembly of U-shaped steel construction segmental arc (5) and the lower ring seal plate (7) being welded is transferred, and assembling forms circular rings
The U-shaped steel construction of shape, installs compressible filler (8), the U-shaped steel construction of circular annular form in the inner chamber of the U-shaped steel construction of circular annular form
Openend inner side successively install curved support plate (9) formed arch brace plate；
C. compressible material (3) can be filled between compression apparatus and outer shaft wall (1)；
D. toward can compression apparatus top filling pea gravel concreten, can compression apparatus the U-shaped steel construction of circular annular form open end on
One upper ring seal plate (11) of side's welding；
E. go up ring seal plate (11) and inner layer well wall between, lower ring seal plate (7) waterproof material is filled and inner layer well wall between
The bed of material (13) is fixedly connected by anchor pole (14) afterwards.
9. a kind of waterproof well wall retractable device according to claim 8 applies the construction work in built composite well wall of vertical shaft
Skill, it is characterized in that：Described upper ring seal plate (11) and lower ring seal plate (7) is arranged on pit shaft inside at the borehole wall.
10. a kind of waterproof well wall retractable device according to claim 8 or claim 9 applies the construction in built composite well wall of vertical shaft
Technique, it is characterized in that：Described compressible material (3) is cystosepiment or hollow material；Upper ring seal plate (11), lower annular are stopped
Water plate (7) and curved support plate (9) are all made using steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710034787.7A CN106894820B (en) | 2017-01-17 | 2017-01-17 | A kind of waterproof well wall retractable device and its construction technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710034787.7A CN106894820B (en) | 2017-01-17 | 2017-01-17 | A kind of waterproof well wall retractable device and its construction technology |
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| Publication Number | Publication Date |
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| CN106894820A true CN106894820A (en) | 2017-06-27 |
| CN106894820B CN106894820B (en) | 2019-02-22 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107829745A (en) * | 2017-11-01 | 2018-03-23 | 中国恩菲工程技术有限公司 | Vertical shaft intercepts water device |
| CN109695452A (en) * | 2019-01-07 | 2019-04-30 | 中国矿业大学 | A kind of single layer pit shaft and its construction method that can axially allow pressure |
| CN110847444A (en) * | 2019-10-28 | 2020-02-28 | 昆明理工大学 | Construction method for collaborative settlement of ring beam, constructional column and rammed earth wall |
| CN115012946A (en) * | 2022-06-20 | 2022-09-06 | 中国矿业大学 | Construction method for preventing and treating well wall breakage through graded excavation and filling and waterproof structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107829745A (en) * | 2017-11-01 | 2018-03-23 | 中国恩菲工程技术有限公司 | Vertical shaft intercepts water device |
| CN107829745B (en) * | 2017-11-01 | 2023-09-29 | 中国恩菲工程技术有限公司 | Water intercepting device for vertical shaft |
| CN109695452A (en) * | 2019-01-07 | 2019-04-30 | 中国矿业大学 | A kind of single layer pit shaft and its construction method that can axially allow pressure |
| WO2020143329A1 (en) * | 2019-01-07 | 2020-07-16 | 中国矿业大学 | Single-layer wellbore capable of realizing axial yielding, and method for constructing same |
| CN110847444A (en) * | 2019-10-28 | 2020-02-28 | 昆明理工大学 | Construction method for collaborative settlement of ring beam, constructional column and rammed earth wall |
| CN115012946A (en) * | 2022-06-20 | 2022-09-06 | 中国矿业大学 | Construction method for preventing and treating well wall breakage through graded excavation and filling and waterproof structure |
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