CN106640137B - Shallow buried and underground excavated engineering project construction suspension device and its method for protecting support - Google Patents
Shallow buried and underground excavated engineering project construction suspension device and its method for protecting support Download PDFInfo
- Publication number
- CN106640137B CN106640137B CN201611224770.XA CN201611224770A CN106640137B CN 106640137 B CN106640137 B CN 106640137B CN 201611224770 A CN201611224770 A CN 201611224770A CN 106640137 B CN106640137 B CN 106640137B
- Authority
- CN
- China
- Prior art keywords
- culvert
- inwall
- fixed plate
- grouting pipe
- shell
- 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.)
- Expired - Fee Related
Links
- 239000000725 suspension Substances 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000010276 construction Methods 0.000 title abstract description 10
- 239000011435 rock Substances 0.000 claims abstract description 21
- 238000009412 basement excavation Methods 0.000 claims abstract description 7
- 239000011083 cement mortar Substances 0.000 claims abstract description 7
- 241000196133 Dryopteris Species 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 2
- 230000002194 synthesizing effect Effects 0.000 claims 1
- 210000000515 tooth Anatomy 0.000 description 13
- 230000000694 effects Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
-
- 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
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
-
- 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
- E21D11/006—Lining anchored in the rock
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Revetment (AREA)
- Sewage (AREA)
Abstract
The present invention provides a kind of shallow buried covered excavation suspension device and method for protecting support, advanced conduit is set on rock mass, excavate the upper culvert of culvert, if dry hole is dug on upper culvert inwall again, fixed plate is set on the inwall of upper culvert, fix bar is extended to through fixed plate in the hole that the inwall of culvert opens, fixing tooth in fix bar blocks the hole opened on culvert inwall, cement mortar is injected by the hole opened on the upward culvert inwall of Grouting Pipe, fixed plate is combined into dome-shaped, weld the junction of each fixed plate, then excavate lower culvert, and support frame is connected with fixed plate, then pneumatically placed concrete is starched again, form concrete layer, the present invention realizes the preliminary bracing to optional position, and it can be constructed using big machinery, the present invention is simple in construction, it is easy to assembly.
Description
Technical field
The present invention relates to underground, culvert, tunnel construction field, more particularly to shallow buried and underground excavated engineering project construction is filled with supporting
Put and its method for protecting support.
Background technology
It is more in Dryopteris sublaetaChing et Hsu to be based on piecemeal using CRD methods, two side-wall pilot tunnel, these methods and excavate thought, open
Dig and repeatedly disturbance country rock is removed in gib, process conversion is complicated, and operating space is small, is unfavorable for making for heavy mechanical equipment
With construction speed is slow, long in time limit, and cost is high, excavates stability and security is also poor.
The present invention provides a kind of shallow buried and underground excavated engineering project construction work suspension device and its method for protecting support, and the present invention can realize
Preliminary bracing to the optional position of architectural engineering, and big machinery excavation construction can be used, simple in construction, assembling side of the invention
Just.
The content of the invention
To achieve the above object, the present invention provides following technical scheme：
Dryopteris sublaetaChing et Hsu engineering suspension device, is arranged in rock mass, and some advanced conduits are set on rock mass, and rock mass is opened
Culvert, the upper culvert of culvert point and lower culvert are dug, if being excavated on the inwall of upper culvert has dry hole, is set on the inwall of upper culvert some
Fixed plate, if setting dry hole in each fixed plate, fix bar is extended on the inwall of culvert through the hole in fixed plate and excavated
Hole in, fix bar includes shell and Grouting Pipe, and the Grouting Pipe is disposed through in shell, and Grouting Pipe both ends stretch out shell
Outside, Grouting Pipe upper end are provided with the second limiting plate, and Grouting Pipe lower end is connected with drawing handle, and fixed block is divided into multi-level and circle
Week is arranged on outer shell outer wall, is arranged in a linear on the fixed block vertical direction of different levels, is passed through connection on each fixed block
One fixing tooth of pin hinge connection, the fixing tooth that vertical direction is arranged in a linear are hinged by connecting rod, are provided with shell some
Elongated hole, the fixing tooth of the bottom on shell are connected with support bar, and support bar connects through the elongated hole on shell and portable plate
Connect, portable plate is provided with the support block and portable plate phase of cone-shaped in the space between Grouting Pipe and shell in Grouting Pipe
Corresponding, each fixed plate weld is combined into birdcage and is affixed on the inwall of culvert, and lower culvert both sides inwall is correspondingly arranged 2
Support frame, support frame are connected with the fixed plate of upper culvert inwall bottom, the birdcage that concrete layer covering fixed plate is formed, are mixed
Solidifying soil layer covering support frame 5.
Specifically, the drawing handle centre position is provided with centre bore, the centre bore of drawing handle and Grouting Pipe it is interior
Hole communicates, and the inwall of the centre bore of drawing handle is provided with internal thread, the internal thread for the centre bore that plug passes through drawing handle with
Drawing handle is connected, and drawing handle is connected by 2 symmetrically arranged expansion links with the first limiting plate, and screw is set on expansion link
Bar, the first limiting plate are located at the lower end of shell and are connected with fixed plate.
Specifically, the method for protecting support of the Dryopteris sublaetaChing et Hsu engineering suspension device, is included on rock mass and sets in advance
Conduit, and cement mortar is injected from advanced conduit to rock mass, excavates the upper culvert of culvert, then excavates on upper culvert inwall some
Hole, often excavated on upper culvert mounting plate, fixed plate can be close to the inwall of culvert at one on the inwall at excavation,
Fix bar is extended to through fixed plate in the hole that the inwall of culvert opens, and pulling the drawing handle of fix bar makes Grouting Pipe in shell
It is interior to be moved to workmen direction, so as to drive the support block for the cone-shaped being arranged in slip casting pipe outer wall to workmen direction
Mobile, the support block of cone-shaped promotes portable plate to be moved to rock mass direction, so that the fixing tooth being connected with support bar is opened, when
When fixing tooth is opened to a certain extent, fixing tooth is stuck in the hole opened on culvert inwall, is tightened the lead screw on expansion link, is made
The support block of cone-shaped can stablize support portable plate, inject cement mortar by the hole opened on the upward culvert inwall of Grouting Pipe, make
Fix bar and the inwall of upper culvert are connected as a single entity.
When upper culvert excavation reaches, and fixed plate can be made to be combined into dome shape, each fixed plate is welded, makes each fixation
Plate is linked to be entirety, then excavates lower culvert, and support frame is connected with the fixed plate of bottom on upper culvert inwall, then sprays again mixed
Solidifying soil paste, make concrete covering fixed plate and support frame, and form concrete layer.
The present invention provides a kind of Dryopteris sublaetaChing et Hsu engineering suspension device and its method for protecting support, can realize to architectural engineering
Optional position preliminary bracing, and can be constructed using big machinery, the present invention is simple in construction, easy to assembly.
Brief description of the drawings
Fig. 1 is Dryopteris sublaetaChing et Hsu engineering suspension device of the present invention.
In Fig. 1:Culvert under the advanced conduit of 1- rock mass, 2-, 3- fix bars, 4- fixed plates, 5- support frames, the upper culverts of 6-, 7-,
8- concrete layers.
Fig. 2 is the fix bar of Dryopteris sublaetaChing et Hsu engineering suspension device of the present invention.
In Fig. 2:4- fixed plates, the limiting plates of 9- first, 10- expansion links, 11- lead screw, 12- plugs, 13- second are spacing
Plate, 14- drawing handles, 30- fixing tooths, 31- connecting pins, 32- fixed blocks, 33- connecting rods, the support block of 34- cone-shapeds, 35-
Grouting Pipe, 36- support bars, 37- shells, 38- elongated holes, 39- portable plates.
Fig. 3 is Fig. 2 A areas enlarged drawing.
In Fig. 3:The support block of 34- cone-shapeds, 35- Grouting Pipes, 36- support bars, 37- shells, 38- elongated holes, 39- activities
Plate.
Embodiment
The present apparatus is elaborated simultaneously with the accompanying drawing of suspension device below in conjunction with Dryopteris sublaetaChing et Hsu engineering of the present invention
Dryopteris sublaetaChing et Hsu engineering is explained with the method for protecting support of suspension device.
Dryopteris sublaetaChing et Hsu engineering suspension device, is arranged in rock mass 1, and some advanced conduits 2, rock are set on rock mass 1
Body 1 excavates culvert, the upper culvert 6 of culvert point and lower culvert 7, if being excavated on the inwall of upper culvert 6 has dry hole, the inwall of upper culvert 6
Upper to set some fixed plates 4, if setting dry hole in each fixed plate 4, fix bar 3 extends to culvert through the hole in fixed plate 4
In the hole excavated on the inwall in hole 6, fix bar 3 includes shell 37 and Grouting Pipe 35, and the Grouting Pipe 35 is disposed through shell
In 37, and the both ends of Grouting Pipe 35 are stretched out outside shell 37, and the upper end of Grouting Pipe 35 is provided with the second limiting plate 13, the lower end of Grouting Pipe 35
Drawing handle 14 is connected with, fixed block 32 divides to be arranged on the outer wall of shell 37 for multi-level and circumference, the fixed block of different levels
It is arranged in a linear on 32 vertical directions, a fixing tooth 30, vertical direction is hinged by connecting pin 31 on each fixed block 32
The fixing tooth 30 being arranged in a linear is hinged by connecting rod 33, is provided with some elongated holes 38 on shell 37, on shell 37 most
The fixing tooth 30 of lower end is connected with support bar 36, and support bar 36 is connected through the elongated hole 38 on shell 37 with portable plate 39, living
Dynamic plate 39 is provided with support block 34 and the activity of cone-shaped in the space between Grouting Pipe 35 and shell 37 in Grouting Pipe 35
Plate 39 is corresponding, and each welding of fixed plate 4 is combined into birdcage and is affixed on the inwall of culvert 6, the lower both sides inwall pair of culvert 7
2 support frames 5 should be set, and support frame 5 is connected with the fixed plate 4 of the upper inwall bottom of culvert 6, and concrete layer 8 covers the shape of fixed plate 4
Into birdcage, concrete layer 8 cover support frame 5.
Specifically, the centre position of drawing handle 14 is provided with centre bore, the centre bore and Grouting Pipe of drawing handle 14
35 endoporus communicates, and the inwall of the centre bore of drawing handle 14 is provided with internal thread, the center that plug 12 passes through drawing handle 14
The internal thread in hole is connected with drawing handle 14, and drawing handle 14 is connected by 2 symmetrically arranged expansion links 10 with the first limiting plate 9
Connect, lead screw 11 is set on expansion link 10, first limiting plate 9 is located at the lower end of shell 37 and is connected with fixed plate 4.
Specifically, the method for protecting support of the Dryopteris sublaetaChing et Hsu engineering suspension device, is included on rock mass 1 and sets in advance
Conduit 2, and cement mortar is injected from advanced conduit 2 to rock mass 1, the upper culvert 6 of culvert is excavated, then excavated on the upper inwall of culvert 6
If dry hole, often excavated on upper culvert 6 mounting plate 4, fixed plate 4 can be close to culvert at one on the inwall at excavation
6 inwall, fix bar 3 are extended to through fixed plate 4 in the hole that the inwall of culvert 6 opens, and pull the drawing handle 14 of fix bar 3
Grouting Pipe 35 is set to be moved in shell 37 to workmen direction, so as to drive the cone-shaped being arranged on the outer wall of Grouting Pipe 35
Support block 34 moves to workmen direction, and the support block 34 of cone-shaped promotes portable plate 39 to be moved to the direction of rock mass 1, so that
The fixing tooth 30 being connected with support bar 36 is opened, and when fixing tooth 30 is opened to a certain extent, fixing tooth 30 is stuck in culvert 6
In the hole opened on wall, the lead screw 11 on expansion link 10 is tightened, the support block 34 of cone-shaped is stablized and supports portable plate 39,
Cement mortar is injected by the hole opened on the upward inwall of culvert 6 of Grouting Pipe 35, fix bar 3 and the inwall of upper culvert 6 is connected as a single entity.
When upper culvert 6 excavation reaches, and fixed plate 4 can be made to be combined into dome shape, each fixed plate 4 is welded, is made each solid
Fixed board 4 is linked to be entirety, then excavates lower culvert 7, and support frame 5 is connected with the fixed plate 4 of bottom on the upper inwall of culvert 6, so
Pneumatically placed concrete is starched again afterwards, makes concrete covering fixed plate 4 and support frame 5, and form concrete layer 8.Concrete layer 8 further adds
Clamped protection unit, the bearing capacity of suspension device is set further to strengthen.
Claims (4)
1. Dryopteris sublaetaChing et Hsu engineering suspension device, it is arranged in rock mass (1), it is characterised in that：Set on rock mass (1) some
Advanced conduit (2), rock mass (1) excavate culvert, the upper culvert (6) of culvert point and lower culvert (7), excavated on the inwall of upper culvert (6)
If there is dry hole, some fixed plates (4) are set on the inwall of upper culvert (6), each fixed plate (4) if on set dry hole, fix bar
(3) extended to through the hole in fixed plate (4) on the inwall of culvert (6) in the hole excavated, fix bar (3) includes shell (37)
With Grouting Pipe (35), the Grouting Pipe (35) is disposed through in shell (37), and shell (37) is stretched out at Grouting Pipe (35) both ends
Outside, Grouting Pipe (35) upper end are provided with the second limiting plate (13), and Grouting Pipe (35) lower end is connected with drawing handle (14), fixed
Block (32) is divided into multi-level and circumference and is arranged on shell (37) outer wall, in straight on fixed block (32) vertical direction of different levels
Line arranges, and is hinged a fixing tooth (30) by connecting pin (31) on each fixed block (32), vertical direction is arranged in a linear
Fixing tooth (30) be hinged by connecting rod (33), be provided with some elongated holes (38) on shell (37), on shell (37) most
The fixing tooth (30) of lower end is connected with support bar (36), and support bar (36) passes through elongated hole (38) and portable plate on shell (37)
(39) connect, portable plate (39) is located in the space between Grouting Pipe (35) and shell (37), and Grouting Pipe is provided with cone on (35)
The support block (34) of shape is corresponding with portable plate (39), and each fixed plate (4) welding is combined into birdcage and is affixed on culvert
(6) on inwall, lower culvert (7) both sides inwall is correspondingly arranged 2 support frames (5), support frame (5) and upper culvert (6) inwall bottom
Fixed plate (4) connection in portion, the birdcage that concrete layer (8) covering fixed plate (4) is formed, concrete layer (8) covering support
Frame (5).
2. suspension device as claimed in claim 1, it is characterised in that：Drawing handle (14) centre position is provided with center
Hole, the centre bore of drawing handle (14) are communicated with the endoporus of Grouting Pipe (35), and the inwall of the centre bore of drawing handle (14) is set
There is internal thread, plug (12) is connected by the internal thread of the centre bore of drawing handle (14) with drawing handle (14), drawing handle
(14) it is connected by 2 symmetrically arranged expansion links (10) with the first limiting plate (9), expansion link sets lead screw on (10)
(11), first limiting plate (9) is located at the lower end of shell (37) and is connected with fixed plate (4).
A kind of 3. method for protecting support for claim 2 Dryopteris sublaetaChing et Hsu engineering suspension device, it is characterised in that：In rock mass
(1) advanced conduit (2) is set on, and cement mortar is injected from advanced conduit (2) to rock mass (1), excavates the upper culvert (6) of culvert,
Often excavate on upper culvert (6) and can be installed at one on the inwall at excavation if excavating dry hole on inwall in upper culvert (6) again
Fixed plate (4), fixed plate (4) are close to the inwall of culvert (6), and fix bar (3) extends to culvert (6) through fixed plate (4)
The hole opened of inwall in, pulling the drawing handle (14) of fix bar (3) makes Grouting Pipe (35) in shell (37) to workmen
Direction is moved, so as to drive the support block (34) for the cone-shaped being arranged on Grouting Pipe (35) outer wall to be moved to workmen direction
Dynamic, the support block (34) of cone-shaped promotes portable plate (39) to be moved to rock mass (1) direction, so that be connected with support bar (36)
Fixing tooth (30) is opened, and when fixing tooth (30) is opened to a certain extent, fixing tooth (30) is stuck in what is opened on culvert (6) inwall
In hole, the lead screw (11) on expansion link (10) is tightened, makes the support block (34) of cone-shaped can stablize support portable plate (39),
Cement mortar is injected in the hole opened upwards on culvert (6) inwall by Grouting Pipe (35), makes the inwall of fix bar (3) and upper culvert (6)
It is connected as a single entity.
4. method for protecting support as claimed in claim 3, it is characterised in that：It can make fixed plate (4) group when upper culvert (6) excavates to reach
When synthesizing dome shape, each fixed plate (4) is welded, each fixed plate (4) is linked to be entirety, then excavate lower culvert (7), and
Support frame (5) is connected with the fixed plate (4) of bottom on upper culvert (6) inwall, then pneumatically placed concrete is starched again, covers concrete
Fixed plate (4) and support frame (5), and form concrete layer (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611224770.XA CN106640137B (en) | 2016-12-27 | 2016-12-27 | Shallow buried and underground excavated engineering project construction suspension device and its method for protecting support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611224770.XA CN106640137B (en) | 2016-12-27 | 2016-12-27 | Shallow buried and underground excavated engineering project construction suspension device and its method for protecting support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106640137A CN106640137A (en) | 2017-05-10 |
| CN106640137B true CN106640137B (en) | 2018-01-30 |
Family
ID=58831522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611224770.XA Expired - Fee Related CN106640137B (en) | 2016-12-27 | 2016-12-27 | Shallow buried and underground excavated engineering project construction suspension device and its method for protecting support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106640137B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107143345B (en) * | 2017-05-17 | 2019-10-22 | 倡创(上海)咨询管理事务所 | Shallow buried covered excavation drilling suspension device and its method for protecting support |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100558469B1 (en) * | 2005-09-08 | 2006-03-10 | (주)한석엔지니어링 | The compressing permanent anchor |
| JP4974810B2 (en) * | 2007-08-27 | 2012-07-11 | 株式会社大林組 | Arch concrete curing method and curing agent spraying apparatus |
| CN202139588U (en) * | 2011-06-18 | 2012-02-08 | 山东大学 | Novel self-broaching anchor rod |
| CN103277118B (en) * | 2013-06-04 | 2015-06-03 | 中铁第一勘察设计院集团有限公司 | Joint steel frame supporting system for excavating auxiliary tunnel on main-tunnel arch wall and construction method of joint steel frame supporting system |
| CN203756182U (en) * | 2014-04-04 | 2014-08-06 | 湖南省高速公路建设开发总公司 | Support structure applied to shallow road tunnel in weak rock area |
| CN203961998U (en) * | 2014-07-07 | 2014-11-26 | 陕西路桥集团第一工程有限公司 | A kind of shallow tunnel combined type preliminary bracing structure |
| CN205422779U (en) * | 2016-03-24 | 2016-08-03 | 山东科技大学 | Side direction supports and to let pressure formula slip casting stock |
-
2016
- 2016-12-27 CN CN201611224770.XA patent/CN106640137B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN106640137A (en) | 2017-05-10 |
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