CN106968695A - A kind of prefabrication type tunnel lock foot anchoring stock and steelframe connecting elements - Google Patents
A kind of prefabrication type tunnel lock foot anchoring stock and steelframe connecting elements Download PDFInfo
- Publication number
- CN106968695A CN106968695A CN201710305767.9A CN201710305767A CN106968695A CN 106968695 A CN106968695 A CN 106968695A CN 201710305767 A CN201710305767 A CN 201710305767A CN 106968695 A CN106968695 A CN 106968695A
- Authority
- CN
- China
- Prior art keywords
- lock foot
- foot anchoring
- anchoring stock
- steelframe
- bolt collar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004873 anchoring Methods 0.000 title claims abstract description 63
- 238000009417 prefabrication Methods 0.000 title claims abstract description 15
- 238000010276 construction Methods 0.000 claims abstract description 28
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 239000011435 rock Substances 0.000 claims description 6
- 238000010079 rubber tapping Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 6
- 230000002708 enhancing effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
- E21D21/008—Anchoring or tensioning means
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
- E21D20/003—Machines for drilling anchor holes and setting anchor bolts
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The present invention discloses a kind of prefabrication type tunnel lock foot anchoring stock and steelframe connecting elements, belongs to Tunnel Engineering technical field.The present invention is made up of lock foot anchoring stock, supporting steelframe, fixed aunular sheet, left width bolt collar, right width bolt collar, bolt fastening.In the preparatory stage, first against lock foot anchoring stock termination（Side is connected with steelframe）Carry out screw thread process pretreatment；Secondly, according to lock foot anchoring stock design attitude and construction angle, fixed aunular sheet is welded in supporting steelframe corresponding position.In the construction stage, lock foot anchoring stock is constructed by fixed aunular sheet precise positioning before and after supporting steelframe, and the lock foot anchoring stock anchor connection of supporting steelframe both sides is turned into an entirety using prefabricated left width bolt collar, right width bolt collar, bolt fastening afterwards.Using structure of the present invention, lock foot anchoring stock precisely construction and its firm connection with supporting steelframe can be achieved, the first branch whole structural stability in enhancing tunnel effectively solves tunnel construction a great problem.
Description
Technical field
The present invention relates to a kind of steelframe connecting elements, and in particular to a kind of prefabrication type tunnel lock foot anchoring stock is connected structure with steelframe
Part, belongs to Tunnel Engineering technical field.
Background technology
In recent years, greatly developing with railway construction, Tunnel Engineering project is more universal, involved engineering geology bar
Part is increasingly sophisticated.When carrying out tunnel main tunnel, service gallery or attached cavern con struction in the poor location of country rock, Bracing Process in the early stage
In usually require to add lock foot anchoring stock in abutment wall scope, to strengthen just branch whole structural stability, prevent arch springing from shrinking and falling arch.
However, when carrying out tunnel main tunnel, service gallery or attached cavern con struction in the poor location of country rock.
However, connecting lock foot anchoring stock and supporting steelframe, work by the way of reinforcement welding mostly in work progress at present
Skill is excessively single, and welding sequence is cumbersome, effect is not good, and the engineering accident thereby resulted in happens occasionally.
The content of the invention
It is an object of the invention to solve current tunnel support steelframe and the not good engineering roadblock of lock foot anchoring stock connection effect,
Propose a set of prefabrication type tunnel lock foot anchoring stock and steelframe connecting elements：And realize connecting elements standardization and factorial praluction.
The technical scheme is that：A kind of prefabrication type tunnel lock foot anchoring stock and steelframe connecting elements, it is characterised in that：Even
Connection member is by anchor pole（1）, supporting steelframe（2）, fixed aunular sheet（3）, left width bolt collar（4）, right width bolt collar（5）And bolt
Fastener（6）Composition；In the preparatory stage, first to lock foot anchoring stock（1）Termination carries out tapping thread processing pretreatment；Then according to lock pin anchor
Bar（1）Design attitude and construction angle, by fixed aunular sheet（3）It is welded on supporting steelframe（2）At front and rear edge of a wing position；In construction rank
Section, lock foot anchoring stock（1）Through supporting steelframe（2）Two pieces of fixed aunular sheets on the front and rear edge of a wing（3）In preformed hole after, precise positioning is applied
Work recycles prefabricated left width bolt collar afterwards in lithosphere（4）, right width bolt collar（5）And bolt fastening（6）By supporting
Steelframe（2）The lock pin lock foot anchoring stock of both sides（1）Anchor connection turns into an entirety.
The lock foot anchoring stock（1）For grouting rock bolt, a diameter of 22mm or 25mm；With supporting steelframe（2）The lock of side connection
Pin anchor pole（1）Termination need to carry out thread tapping processing pretreatment, lock foot anchoring stock in construction early stage（1）Ends screw section length be
5~10cm。
The supporting steelframe（2）For profile steel frame, model I14, I16, I18, I20 or I22 type.
The fixed aunular sheet（3）For section steel plate, thickness is 10mm；Reserved aperture in fixed aunular sheet should be greater than locking pin anchor
Bar（1）Mm-the 2mm of diameter 1, i.e. preformed hole a diameter of 24mm or 27mm；Fixed aunular sheet（3）Width is 10mm, fixed aunular sheet
（3）Outline and bolt collar（4、5）Overall linking.
The left width bolt collar（4）With right width bolt collar（5）It is made of shaped steel, bolt collar（4、5）Internal diameter
With lock foot anchoring stock（1）Match, a diameter of 22mm or 25mm；Bolt collar（4、5）Inside it is provided with and lock foot anchoring stock（1）Anchor connection
Use screw thread；Bolt collar（4、5）Thickness is 10mm, bolt collar（4、5）External diameter and lock foot anchoring stock（1）Diameter matches, bolt
Sleeve（4、5）A diameter of 32mm or 35mm；Bolt collar（4、5）The thickness of junction steel plate is 10mm.
The bolt fastening（6）It is made of shaped steel, bolt fastening（6）With left width bolt collar（4）With right width bolt sleeve
Cylinder（5）Use cooperatively jointly；Lock foot anchoring stock（1）After the completion of construction, by left width bolt collar（（4）With right width bolt collar（5）Point
Not with left and right sides lock foot anchoring stock（1）Screw thread anchor connection, finally recycles bolt fastening（6）By left width bolt collar（4）And the right side
Width bolt collar（5）It is connected as an entirety.
The connecting elements is equally applicable to tunnel lock pin anchor tube and steelframe connection construction.
The present invention is as follows using step：
（1）Construction in Preparatory Stage：1. it is directed to lock foot anchoring stock termination（Side is connected with steelframe）Screw thread process is carried out in advance（Tapping）
Pretreatment；2. according to the design attitude of lock foot anchoring stock and construction angle, fixed aunular sheet is welded on before and after supporting steelframe in advance
Edge of a wing corresponding position.
（2）Construct the progress stage：1. four pieces of fixed aunular sheets for being welded in the edge of a wing before and after supporting steelframe 2 are utilized（3）To lock
The precise positioning of pin anchor pole 1, and carry out the installation that lock foot anchoring stock 1 fixes rock；2. after the completion of lock foot anchoring stock 1 is constructed, by a left side
The screw thread anchor connection of lock foot anchoring stock 1 of width bolt collar 4 and right width bolt collar 5 respectively with the left and right sides；3. bolt buckle is utilized
Part 6 is by left width bolt collar 4 and the mutual snapping of right width bolt collar 5 and is connected as an entirety.
Have the beneficial effect that：It can realize that lock foot anchoring stock is precisely constructed and its steady with supporting steelframe using connecting elements of the present invention
It is solidly connected, the first branch whole structural stability in enhancing tunnel effectively solves current tunnel construction a great problem；Secondly, the company
Connection member can be all prefabricated in Construction in Preparatory Stage, realizes factory normalization, mass production, and working procedure is simple and efficient,
Construction value and social benefit are notable.
Brief description of the drawings
Fig. 1：Prefabrication type tunnel of the present invention lock foot anchoring stock and steelframe connecting elements.
Fig. 2：Lock foot anchoring stock ends screw pretreatment of the present invention.
Fig. 3：Fixed aunular sheet drawing of the present invention.
Fig. 4：Steelframe of the present invention is welded with fixed aunular sheet and pre-processed.
Fig. 5：Bolt collar prefabricated components plane drawing of the present invention.
Fig. 6：Bolt collar prefabricated components facade drawing of the present invention.
Fig. 7：The decomposition drawing of bolt collar prefabricated components of the present invention.
In figure it is each marked as：1-lock foot anchoring stock；2-supporting steelframe；3-fixed aunular sheet；4-left width bolt collar；5—
Right width bolt collar；6-bolt fastening.
Embodiment
The present invention is described in further detail below by drawings and examples, but protection scope of the present invention is not limited to
In the content.
Embodiment：As shown in Fig. 1 ~ Fig. 7, a kind of prefabrication type tunnel lock foot anchoring stock of the invention and steelframe connecting elements, by locking
Pin anchor pole 1, supporting steelframe 2, fixed aunular sheet 3, left width bolt collar 4, right width bolt collar 5, bolt fastening 6 are constituted.Preparing
Stage, first against the termination of lock foot anchoring stock 1（Side is connected with steelframe）Carry out screw thread process pretreatment；Secondly, according to lock pin anchor
The design attitude of bar 1 and construction angle, the corresponding position of supporting steelframe 2 is welded in by fixed aunular sheet 3.In the construction stage, pin anchor is locked
Bar 1 is constructed by the precise positioning of fixed aunular sheet 3 before and after supporting steelframe 2, and prefabricated left width bolt collar 4, right width bolt are utilized afterwards
The anchor connection of 2 both sides lock foot anchoring stock of supporting steelframe 1 is turned into an entirety by sleeve 5, bolt fastening 6.
Wherein, lock foot anchoring stock 1 is grouting rock bolt, a diameter of 22mm or 25mm；The termination of 2 side lock foot anchoring stock of supporting steelframe 1
Screw thread process pretreatment is carried out in construction early stage, thread segment rock-bolt length is 5 ~ 10cm.Supporting steelframe 2 is profile steel frame, model
For I14, I16, I18, I20 or I22 type.Fixed aunular sheet 3 is section steel plate, and thickness is 10mm；Ring plate reserves aperture and should be greater than lock
The diameter 2mm of pin anchor pole 1, i.e. ring plate a diameter of 24mm or 27mm；Ring plate width is 10mm, and outline is overall with bolt collar 4,5
Linking.Bolt collar（Left width）4 and bolt collar（Right width）5 are made of shaped steel, and sleeve diameter is consistent with lock foot anchoring stock 1, directly
Footpath is 22mm or 25mm；Sleeve inner is threaded and the anchor connection of lock foot anchoring stock 1；Sleeve thickness is 10mm, sleeve outer diameter root
Determined according to the diameter of lock foot anchoring stock 1, a diameter of 32mm or 35mm；Sleeve connection steel plate thickness is 10mm, and width is consistent with diameter.Spiral shell
Bolt fastener 6 is made of shaped steel, and bolt fastening Basic Design is in left width bolt collar 4, and a small amount of part design is in right width bolt
In sleeve 5.After the completion of lock foot anchoring stock 1 is constructed, by the lock pin of left width bolt collar 4 and right width bolt collar 5 respectively with left and right sides
The anchoring threaded connection of anchor pole 1, finally recycles bolt fastening 6 to be connected as left width bolt collar 4 and the right snapping of width bolt collar 5
One entirety.The connecting elements is equally applicable to tunnel lock pin anchor tube and steelframe connection construction.
Using structure of the present invention, lock foot anchoring stock precisely construction and its firm connection with supporting steelframe can be achieved, strengthens tunnel
The first branch whole structural stability in road, effectively solves tunnel construction a great problem.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (7)
1. a kind of prefabrication type tunnel lock foot anchoring stock and steelframe connecting elements, it is characterised in that：Connecting elements is by anchor pole（1）, supporting
Steelframe（2）, fixed aunular sheet（3）, left width bolt collar（4）, right width bolt collar（5）And bolt fastening（6）Composition；Preparing rank
Section, first to lock foot anchoring stock（1）Termination carries out tapping thread processing pretreatment；Then according to lock foot anchoring stock（1）Design attitude and construction
Angle, by fixed aunular sheet（3）It is welded on supporting steelframe（2）At front and rear edge of a wing position；In construction stage, lock foot anchoring stock（1）Pass through
Supporting steelframe（2）Two pieces of fixed aunular sheets on the front and rear edge of a wing（3）In preformed hole after, precise positioning construction is in lithosphere, afterwards
Recycle prefabricated left width bolt collar（4）, right width bolt collar（5）And bolt fastening（6）By supporting steelframe（2）The lock pin of both sides
Lock foot anchoring stock（1）Anchor connection turns into an entirety.
2. prefabrication type tunnel according to claim 1 lock foot anchoring stock and steelframe connecting elements, it is characterised in that：The lock pin
Anchor pole（1）For grouting rock bolt, a diameter of 22mm or 25mm；With supporting steelframe（2）The lock foot anchoring stock of side connection（1）Applying termination
Work early stage need to carry out thread tapping processing pretreatment, lock foot anchoring stock（1）The length of ends screw section is 5 ~ 10cm.
3. prefabrication type tunnel according to claim 1 lock foot anchoring stock and steelframe connecting elements, it is characterised in that：The supporting
Steelframe（2）For profile steel frame, model I14, I16, I18, I20 or I22 type.
4. prefabrication type tunnel according to claim 1 lock foot anchoring stock and steelframe connecting elements, it is characterised in that：It is described fixed
Position ring plate（3）For section steel plate, thickness is 10mm；Reserved aperture in fixed aunular sheet should be greater than lock foot anchoring stock（1）The mm of diameter 1
- 2mm, i.e. preformed hole a diameter of 24mm or 27mm；Fixed aunular sheet（3）Width is 10mm, fixed aunular sheet（3）Outline and bolt
Sleeve（4、5）Overall linking.
5. prefabrication type tunnel according to claim 1 lock foot anchoring stock and steelframe connecting elements, it is characterised in that：The left width
Bolt collar（4）With right width bolt collar（5）It is made of shaped steel, bolt collar（4、5）Internal diameter and lock foot anchoring stock（1）Phase
Match somebody with somebody, a diameter of 22mm or 25mm；Bolt collar（4、5）Inside it is provided with and lock foot anchoring stock（1）Anchor connection screw thread；Bolt collar
（4、5）Thickness is 10mm, bolt collar（4、5）External diameter and lock foot anchoring stock（1）Diameter matches, bolt collar（4、5）Diameter
For 32mm or 35mm；Bolt collar（4、5）The thickness of junction steel plate is 10mm.
6. prefabrication type tunnel according to claim 1 lock foot anchoring stock and steelframe connecting elements, it is characterised in that：The bolt
Fastener（6）It is made of shaped steel, bolt fastening（6）With left width bolt collar（4）With right width bolt collar（5）Common cooperation makes
With；Lock foot anchoring stock（1）After the completion of construction, by left width bolt collar（（4）With right width bolt collar（5）Respectively with left and right side chain pin
Anchor pole（1）Screw thread anchor connection, finally recycles bolt fastening（6）By left width bolt collar（4）With right width bolt collar（5）Even
It is connected in an entirety.
7. prefabrication type tunnel according to claim 1 lock foot anchoring stock and steelframe connecting elements, it is characterised in that：The connection
Component is equally applicable to tunnel lock pin anchor tube and steelframe connection construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710305767.9A CN106968695B (en) | 2017-05-03 | 2017-05-03 | Prefabricated tunnel lock foot stock and steelframe connecting element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710305767.9A CN106968695B (en) | 2017-05-03 | 2017-05-03 | Prefabricated tunnel lock foot stock and steelframe connecting element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106968695A true CN106968695A (en) | 2017-07-21 |
| CN106968695B CN106968695B (en) | 2023-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710305767.9A Active CN106968695B (en) | 2017-05-03 | 2017-05-03 | Prefabricated tunnel lock foot stock and steelframe connecting element |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676110A (en) * | 2017-08-23 | 2018-02-09 | 中铁二十二局集团有限公司 | A kind of attachment structure for locking pin anchor and supporting bow member |
| CN108150104A (en) * | 2018-02-09 | 2018-06-12 | 中交隧道工程局有限公司 | A kind of lock foot anchor tube drilling-hole positioning device and anchor tube fixing means |
| CN109252876A (en) * | 2018-06-26 | 2019-01-22 | 中铁五局集团贵州工程有限公司 | A kind of advanced tubule angle positioning device |
| CN109306870A (en) * | 2018-10-26 | 2019-02-05 | 河北创恒智能装备科技有限公司 | Full section of tunnel construction integer support steel arch-shelf and method for protecting support |
| CN112267903A (en) * | 2020-10-26 | 2021-01-26 | 中铁八局集团第一工程有限公司 | Accurate positioning and construction method for tunnel foot locking anchor rod |
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| CN206957752U (en) * | 2017-05-03 | 2018-02-02 | 云南建投基础工程有限责任公司 | A kind of prefabrication type tunnel lock foot anchoring stock and steelframe connecting elements |
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| CN202787668U (en) * | 2012-08-07 | 2013-03-13 | 中建三局建设工程股份有限公司 | Rear bolt anchoring system for cantilever steel I-beam |
| CN202991079U (en) * | 2013-01-09 | 2013-06-12 | 中铁十二局集团第四工程有限公司 | Base plate type connection device of anchor rod or anchor pipe and structural steel frame |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676110A (en) * | 2017-08-23 | 2018-02-09 | 中铁二十二局集团有限公司 | A kind of attachment structure for locking pin anchor and supporting bow member |
| CN107676110B (en) * | 2017-08-23 | 2023-09-08 | 北京工业大学 | Connecting structure of lock leg anchoring device and supporting arch frame |
| CN108150104A (en) * | 2018-02-09 | 2018-06-12 | 中交隧道工程局有限公司 | A kind of lock foot anchor tube drilling-hole positioning device and anchor tube fixing means |
| CN108150104B (en) * | 2018-02-09 | 2023-12-26 | 中交隧道工程局有限公司 | Pin locking anchor pipe drilling positioning device and anchor pipe fixing method |
| CN109252876A (en) * | 2018-06-26 | 2019-01-22 | 中铁五局集团贵州工程有限公司 | A kind of advanced tubule angle positioning device |
| CN109252876B (en) * | 2018-06-26 | 2024-05-10 | 中铁五局集团贵州工程有限公司 | Advance little pipe angle positioner |
| CN109306870A (en) * | 2018-10-26 | 2019-02-05 | 河北创恒智能装备科技有限公司 | Full section of tunnel construction integer support steel arch-shelf and method for protecting support |
| CN109306870B (en) * | 2018-10-26 | 2024-05-03 | 河北创恒智能装备科技有限公司 | Steel arch frame for whole support of tunnel full-section construction and support method |
| CN112267903A (en) * | 2020-10-26 | 2021-01-26 | 中铁八局集团第一工程有限公司 | Accurate positioning and construction method for tunnel foot locking anchor rod |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106968695B (en) | 2023-10-20 |
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