CN206071610U - For administering the steel reinforced concrete antiarch of floor lift in gallery and the combinative structure of anchor pole - Google Patents
For administering the steel reinforced concrete antiarch of floor lift in gallery and the combinative structure of anchor pole Download PDFInfo
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- CN206071610U CN206071610U CN201621120632.2U CN201621120632U CN206071610U CN 206071610 U CN206071610 U CN 206071610U CN 201621120632 U CN201621120632 U CN 201621120632U CN 206071610 U CN206071610 U CN 206071610U
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- shape steel
- steel beam
- anchor pole
- tunnel
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Abstract
This utility model is related to the combinative structure of a kind of steel reinforced concrete antiarch for administering floor lift in gallery and anchor pole，Including along roadway floor length direction, the first i-shape steel beam is set，The both sides chute notch of the first i-shape steel beam is horizontally disposed，And the width along tunnel is arranged at intervals with multistage，Baseplate width direction along tunnel is provided with the second i-shape steel beam，Second i-shape steel beam is arranged at intervals with multiple and overall in frame-like structure along the length direction of the first i-shape steel beam，The both sides chute notch vertical direction arrangement of the second i-shape steel beam，Anchor pole is equipped with positioned at the two ends of the second i-shape steel beam to be connected with the floor rocks in tunnel，Concrete has been poured on combinative structure，And pour and build up concrete layer，The stress of roadway floor vertical direction is shifted to tunnel length direction and width，Steel reinforced concrete antiarch forms an entirety with anchor pole combinative structure simultaneously，Common stress is while convenient quickly of constructing，Bottom distension regulation effect might as well.
Description
Technical field
This utility model is related to Roadway Support Technology field, and in particular to a kind of steel reinforced concrete antiarch for administering floor lift in gallery
With the combinative structure of anchor pole.
Background technology
Bottom distension phenomenon is the specific question in improving stability of surrounding rocks in roadway problem, recently as the continuous of pit mining depth
Increase, soft-rock tunnel and the large deformation in weak structure tunnel, highland pressure, hardly possible supporting engineering problem it is increasingly serious, bottom distension phenomenon is
Become soft-rock tunnel with one of weak structure deformation of the surrounding rock in tunnel and the principal character destroyed and form.For bottom distension mechanism with it is anti-
Countermeasure is controlled, has carried out extensive research both at home and abroad, while the preventing and treating to Soft Rock Roadway Floor Heave, occurs in that many preventing and treatings are arranged both at home and abroad
Apply.
Current prophylactico-therapeutic measuress have a various ways, including the support reinforcement such as base plate anchor pole, floor grouting, closed support
Destressing method and the various integrated processes such as method, joint-cutting, drilling, standing, digging relieving roadway.Such as floor grouting, which passes through
Slurry infiltration defines a strength ratio broken rock in the soleplate to the cohesive strength that between rock crack, increased fractured rock
Big antiarch, so as to prevent bottom rock stratum to heave upwards, but its enforcement needs jumbolter to set injected hole, the difficulty of drilling
Degree is big, and the coal ash cleaning difficulty of residual is big, and which is time-consuming longer, and cost is high, the deformation inhibition level caused by vertical stress compared with
It is high.And destressing method makes original continuous rock mass in discrete state by methods such as joint-cuttings, the concentrated stress around tunnel is made
Shift to country rock deep, now base plate is in stress relaxed area, this method can only make tunnel in the short time keep stable, but with
The growth of time, with the compressional movement of rock stratum, its state can be destroyed again, can only continue joint-cutting, bother very much.
Utility model content
The purpose of this utility model is just to provide the combination knot of a kind of steel reinforced concrete antiarch for administering floor lift in gallery and anchor pole
Structure, which suppresses the time of bottom distension long, can change power system direction, vertical stress is converted to along tunnel vertical and horizontal, its cloth
Put mode different from common antiarch mode, be not result in help bottom stress concentration occur.Its vertical stress is caused simultaneously in depth
Direction and lateral loss are fallen, economic and practical.
For achieving the above object, the technical solution adopted in the utility model is：
A kind of steel reinforced concrete antiarch for administering floor lift in gallery and the combinative structure of anchor pole, are included on the base plate in tunnel and arrange
First i-shape steel beam, the length direction of first i-shape steel beam arranged along the length direction in tunnel, the first I shape
The both sides chute notch of girder steel is horizontally disposed, and the first i-shape steel beam is arranged at intervals with multistage, lane along the width in tunnel
The length of the second i-shape steel beam, the length direction of the second i-shape steel beam and the first i-shape steel beam is additionally provided with the base plate in road
Degree direction is arranged vertically, and the second i-shape steel beam is arranged at intervals with multiple and overall along the length direction of the first i-shape steel beam
In frame-like structure, the both sides chute notch vertical direction arrangement of the second i-shape steel beam, positioned at the two of the second i-shape steel beam
End is equipped with the floor rocks in anchor pole and tunnel and is connected, and concrete has been poured on combinative structure, and pours and build up concrete
Layer.
The supplementary features that this utility model is also present are：
The through hole passed through for the second i-shape steel beam is offered on the web of first i-shape steel beam.
The length direction of first i-shape steel beam is in convex structure, the first i-shape steel beam it is opening up, the
The opening both ends horizontal of one i-shape steel beam extends, and the two ends of adjacent first i-shape steel beam are fixed, positioned at adjacent first I-shaped
Below the two ends of section steel beam, pad is provided with armored concrete backing plate.
Block rubber, the two ends difference of adjacent first i-shape steel beam are provided with above the armored concrete backing plate
Step steel plate is welded with, step surface on the block rubber, is provided with, the step steel plate is ridden upon on the step surface of block rubber.
Web of the shaft of the anchor pole through the second i-shape steel beam.
The second i-shape steel beam length direction be in convex structure, the second i-shape steel beam it is opening up, second
The opening both ends horizontal of i-shape steel beam extends, and the anchor pole is fixed on the horizontal-extending end of the second i-shape steel beam.
Compared with prior art, the technique effect that this utility model possesses is：
1st, the structure combined with anchor pole by steel reinforced concrete antiarch, by the stress of roadway floor vertical direction to tunnel length direction
Shift with width, while steel reinforced concrete antiarch forms an entirety, common stress with anchor pole combinative structure；
2nd, original base plate property is changed, the gap between structure is not only filled out by the block rubber between the first steel I-beam
Fill while also have certain flexibility to allow pressure energy power, it is first soft after just, effect is very good, while convenient quickly of constructing, bottom distension is controlled
Reason effect might as well.
Description of the drawings
Fig. 1 is the schematic cross-section for administering the steel reinforced concrete antiarch of floor lift in gallery and the combinative structure of anchor pole；
Fig. 2 is that the combinative structure of the steel reinforced concrete antiarch and anchor pole for administering floor lift in gallery is regarded along the section of tunnel length direction
Figure；
Fig. 3 is the top view for administering the steel reinforced concrete antiarch of floor lift in gallery and the combinative structure of anchor pole.
Specific embodiment
With reference to Fig. 1 to Fig. 3, the utility model is further described：
A kind of steel reinforced concrete antiarch for administering floor lift in gallery and the combinative structure of anchor pole, are included on the base plate in tunnel 10 and set
The first i-shape steel beam 20 is put, the length direction of first i-shape steel beam 20 is arranged along the length direction in tunnel 10, the
The both sides chute notch of one i-shape steel beam 20 is horizontally disposed, and the first i-shape steel beam 20 is spaced along the width in tunnel 10
Multistage is provided with, the second i-shape steel beam 30, the length direction of the second i-shape steel beam 30 on the base plate in tunnel 10, is additionally provided with
It is arranged vertically with the length direction of the first i-shape steel beam 20, length of second i-shape steel beam 30 along the first i-shape steel beam 20
Degree direction is arranged at intervals with multiple and overall in frame-like structure, the both sides chute notch vertical direction of the second i-shape steel beam 30
Arrangement, is equipped with anchor pole 40 positioned at the two ends of the second i-shape steel beam 30 and is connected with the floor rocks in tunnel 10, positioned at combination knot
Concrete is poured on structure, and has been poured and is built up concrete layer 50.
The reason for chute that above-mentioned first i-shape steel beam 20 and the second i-shape steel beam 30 are arranged arranges chute is to protect
The sliding of pattern of syndrome steel, the first i-shape steel beam 20 can be along 10 length direction slidings of tunnel discharging stress, the second I shape
Girder steel 30 can be along 10 width sliding of tunnel discharging stress.
The through hole passed through for the second i-shape steel beam 30 is offered on the web of first i-shape steel beam 20, this is just
In the second i-shape steel beam 30 is combined with the first i-shape steel beam 20, common stress.
The length direction of first i-shape steel beam 20 be in convex structure, the opening court of the first i-shape steel beam 20
On, the opening both ends horizontal of the first i-shape steel beam 20 extends, and the two ends of adjacent first i-shape steel beam 20 are fixed, positioned at adjacent
Below the two ends of the first i-shape steel beam 20, pad is provided with armored concrete backing plate 60.
Advantage of the length direction of the first i-shape steel beam 20 in convex structure is its counter-arch shaped structure, can be strong
Will be heavily stressed to tunnel radial displacement at 10 base plate of tunnel so as to be released after the transfer and weaken, fill concrete
It is to ensure shaped steel and the common stress of concrete, it is ensured that shaped steel uniform force.
The top of the armored concrete backing plate 60 is provided with block rubber 70, and the two of adjacent first i-shape steel beam 20
End is respectively welded step steel plate 21, and step surface is provided with the block rubber 70, and the step steel plate 21 rides upon block rubber
On 70 step surface.
The structure combined with anchor pole 40 by steel reinforced concrete antiarch, by the stress of roadway floor vertical direction to 10 length side of tunnel
To shifting with width, while steel reinforced concrete antiarch forms an entirety, common stress with 40 combinative structure of anchor pole；
Original base plate property is changed, the block rubber 70 between the first steel I-beam 20 is not only by the gap between structure
Fill up while also have certain flexibility to allow pressure energy power, it is first soft after just, effect is very good, while convenient quickly of constructing, bottom distension
Regulation effect might as well.
Web of the shaft of the anchor pole 40 through the second i-shape steel beam 30, anchor pole 40 pass through the second i-shape steel beam 30
Web be connected with country rock, and the second i-shape steel beam 30 holds together through the web of the first i-shape steel beam 20, protects
Total stability in vertical direction and safety are demonstrate,proved, there is provided the protection in vertical direction, have also defined
I-shape steel beam tunnel length direction and width deformation within the specific limits.
Second i-shape steel beam, 30 length direction be in convex structure, the second i-shape steel beam 30 it is opening up,
The opening both ends horizontal of the second i-shape steel beam 30 extends, and the anchor pole 40 is fixed on the horizontal-extending of the second i-shape steel beam 30
End.
In the same manner, antiarch structure of above-mentioned second i-shape steel beam, 30 length direction in arc-shaped composition, by the first I shape
The power being subject on girder steel 20 is transferred on the second i-shape steel beam 30 and transmits to 10 width of tunnel, helps bottom with tunnel 10
Concentrated stress offset, it is ensured that side bottom safety, fill concrete is to ensure shaped steel and the common stress of concrete, it is ensured that type
Steel uniform force.
The construction method of the combinative structure of the above-mentioned steel reinforced concrete antiarch for administering floor lift in gallery and anchor pole, the construction method bag
Include following steps：
A, base plate is dug clearly on roadway floor and along 10 length direction of tunnel, make base plate curved, in the bottom arch for having excavated
One layer concrete of upper berth, the bottom arch for having excavated is along 10 length direction of tunnel by being equally spaced；
B, the part between the arch of two bottoms is dug clearly 60-80cm and flattened, form one piece of smooth overlap joint platform 11；
C, side of side bottom in 10 liang of tunnel is backbreak downwards, help outside to backbreak to two, part leveling of backbreaking is pre- in side bottom
It is drilled with anchor pole hole；
D, the armored concrete backing plate 60 is kept flat on platform 11；
E, above-mentioned first i-shape steel beam 20 is prefabricated into into the shape roughly the same with base plate arc tendency, two ends respectively stay one
Part bends up parallel with base plate, the first i-shape steel beam 20 is suspended on curved plate；
F, the web that anchor pole 40 is passed through the second i-shape steel beam 30, it is in above-mentioned reserving hole and fixed；
G, between first i-shape steel beam 20 and the first i-shape steel beam 20 of the length direction along tunnel 10 be embedded in institute
The block rubber 70 stated, makes the first i-shape steel beam 20 be brought into close contact with block rubber 70, and block rubber 70 is parallel to be placed in armored concrete
On backing plate 60；
H, the upper left corner and the upper right corner that above-mentioned step steel plate 21 is placed in block rubber 70, two ends are alignd respectively and butt up against
At the top flange of one i-shape steel beam 20 and adopt solder design；
I, after-pouring concrete is all installed in place in whole combinative structure, be completely covered by the concrete all of structure,
Concrete exceeds original base plate position 10-20cm simultaneously.
In step A, it is 80-120cm that depth is dug along under 10 length direction of tunnel tunnel, on the bottom arch for having excavated
One layer of 10-20cm of paving thick concrete, it is 40-60cm that the arrangement pitch along tunnel 10 is encircleed at bottom.
In step B, 11 width of platform is 40-60cm；
In step C, two side bottoms are backbreak downwards 60-80cm, help outside to backbreak 20-30cm to two；
In step E, the first i-shape steel beam 20 is suspended in 20-40cm on curved plate；
In step I, concrete exceeds original base plate position 10-20cm.
It should be noted that above example is only to illustrate the technical solution of the utility model, rather than a limitation, to the greatest extent
Pipe has been described in detail to this utility model with reference to the foregoing embodiments, it will be understood by those within the art that：Its
Still the technical scheme described in foregoing embodiments can be modified, or which part technical characteristic is equal to
Replace, and these modifications or replacement, do not make the essence of appropriate technical solution depart from each embodiment technical side of this utility model
The spirit and scope of case.
Claims (6)
1. the combinative structure of a kind of steel reinforced concrete antiarch for administering floor lift in gallery and anchor pole, it is characterised in that：It is included in tunnel
(10) the first i-shape steel beam (20) is set on base plate, and the length direction of first i-shape steel beam (20) is along tunnel
(10) length direction arrangement, the both sides chute notch of the first i-shape steel beam (20) are horizontally disposed, the first i-shape steel beam
(20) width along tunnel (10) is arranged at intervals with multistage, is additionally provided with the second i shaped steel on the base plate of tunnel (10)
Beam (30), length direction and the length direction of the first i-shape steel beam (20) of the second i-shape steel beam (30) are arranged vertically, the
Two i-shape steel beams (30) are arranged at intervals with multiple and overall in frame-like along the length direction of the first i-shape steel beam (20)
Structure, the both sides chute notch vertical direction arrangement of the second i-shape steel beam (30), positioned at the two of the second i-shape steel beam (30)
End is equipped with anchor pole (40) and is connected with the floor rocks in tunnel (10), has poured concrete, and pour on combinative structure
Into concrete layer (50).
2. the combinative structure of the steel reinforced concrete antiarch for administering floor lift in gallery according to claim 1 and anchor pole, its feature exist
In：The through hole passed through for the second i-shape steel beam (30) is offered on the web of first i-shape steel beam (20).
3. the combinative structure of the steel reinforced concrete antiarch for administering floor lift in gallery according to claim 1 and 2 and anchor pole, its feature
It is：The length direction of first i-shape steel beam (20) be in convex structure, the opening court of the first i-shape steel beam (20)
On, the opening both ends horizontal of the first i-shape steel beam (20) extends, and the two ends of adjacent first i-shape steel beam (20) are fixed, are located at
Below the two ends of adjacent first i-shape steel beam (20), pad is provided with armored concrete backing plate (60).
4. the combinative structure of the steel reinforced concrete antiarch for administering floor lift in gallery according to claim 3 and anchor pole, its feature exist
In：Block rubber (70) is provided with above the armored concrete backing plate (60), adjacent first i-shape steel beam (20)
Two ends are respectively welded step steel plate (21), and step surface is provided with the block rubber (70), and the step steel plate (21) is set up
On the step surface of block rubber (70).
5. the combinative structure of the steel reinforced concrete antiarch for administering floor lift in gallery according to claim 4 and anchor pole, its feature exist
In：Web of the shaft of the anchor pole (40) through the second i-shape steel beam (30).
6. the combinative structure of the steel reinforced concrete antiarch for administering floor lift in gallery according to claim 5 and anchor pole, its feature exist
In：Second i-shape steel beam (30) length direction is in convex structure, the second i-shape steel beam (30) it is opening up, the
The opening both ends horizontal of two i-shape steel beams (30) extends, and the anchor pole (40) is fixed on the level of the second i-shape steel beam (30)
Elongated end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621120632.2U CN206071610U (en) | 2016-10-13 | 2016-10-13 | For administering the steel reinforced concrete antiarch of floor lift in gallery and the combinative structure of anchor pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621120632.2U CN206071610U (en) | 2016-10-13 | 2016-10-13 | For administering the steel reinforced concrete antiarch of floor lift in gallery and the combinative structure of anchor pole |
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| Publication Number | Publication Date |
|---|---|
| CN206071610U true CN206071610U (en) | 2017-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621120632.2U Expired - Fee Related CN206071610U (en) | 2016-10-13 | 2016-10-13 | For administering the steel reinforced concrete antiarch of floor lift in gallery and the combinative structure of anchor pole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206071610U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106437780A (en) * | 2016-10-13 | 2017-02-22 | 安徽理工大学 | Combined structure of reinforced concrete reverse arch and anchor rods and for managing roadway bottom swelling and construction method of combined structure |
| CN107832499A (en) * | 2017-10-20 | 2018-03-23 | 内蒙古科技大学 | A kind of stability pre-judging method of anchor concrete negative arch control pucking structure |
-
2016
- 2016-10-13 CN CN201621120632.2U patent/CN206071610U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106437780A (en) * | 2016-10-13 | 2017-02-22 | 安徽理工大学 | Combined structure of reinforced concrete reverse arch and anchor rods and for managing roadway bottom swelling and construction method of combined structure |
| CN106437780B (en) * | 2016-10-13 | 2018-05-08 | 安徽理工大学 | For administering the steel reinforced concrete antiarch and the construction method of the combining structure of anchor pole and the combining structure of floor lift in gallery |
| CN107832499A (en) * | 2017-10-20 | 2018-03-23 | 内蒙古科技大学 | A kind of stability pre-judging method of anchor concrete negative arch control pucking structure |
| CN107832499B (en) * | 2017-10-20 | 2021-09-28 | 内蒙古科技大学 | Stability pre-judging method for anchor rod-concrete inverted arch control bottom drum structure |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170405 Termination date: 20191013 |
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| CF01 | Termination of patent right due to non-payment of annual fee |