CN103485789B - TBM clipping room height step makes and construction method - Google Patents
TBM clipping room height step makes and construction method Download PDFInfo
- Publication number
- CN103485789B CN103485789B CN201310443816.7A CN201310443816A CN103485789B CN 103485789 B CN103485789 B CN 103485789B CN 201310443816 A CN201310443816 A CN 201310443816A CN 103485789 B CN103485789 B CN 103485789B
- Authority
- CN
- China
- Prior art keywords
- tbm
- clipping room
- minimum
- height
- length
- 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.)
- Active
Links
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The invention provides a kind of TBM clipping room height step to make and construction method, preparation method is as follows: the minimum length that the TBM that determines of construction period gone into operation according to TBM synchronously installs and parts thereof install needed for the minimum clear length of minimum spatial dimension determination clipping room; According to TBM mainframe section length and parts thereof, the minimum clear length that required minimum spatial dimension requires to determine clipping room low step section is installed; Transport according to supporting structure segment length after TBM and parts thereof and minimal distance requirement determination plateau stage minimum clear length is installed; Minimum spatial dimension needed for TBM mainframe section maximum height and installation thereof adds bridge machine physical dimension and installs the headway of the low step section of minimum range determination clipping room needed for bridge machine; This kind of TBM clipping room height step makes and construction method, namely can construction safely and fast, can meet again the needs of TBM rapid-assembling.
Description
Technical field
The present invention relates to a kind of TBM clipping room height step to make and construction method, belong to field of mechanical technique.
Background technology
Tunnel hard rock mole (being called for short TBM) adopts assembling mode in Assembling outside the hole or hole usually.Due to canal axes design or ground type condition restriction, in a lot of situation, package technique in TBM hole must be adopted.Due to TBM main frame and rear supporting structure size usually inconsistent, for reducing clipping room excavation supporting engineering quantity as far as possible, the common design scheme of TBM clipping room is as usual: TBM main frame and rear supporting chassis section are designed to the height Liang Ge cavern different with width, adopt transition section to connect between cavern, Liang Ge cavern inverted arch end face is in same elevation.There is following subject matter in such design:
1, owing to there is transition section, the difficulty of construction of clipping room excavation supporting is added, particularly evident when arranging extra-large cross-section clipping room especially in construction geology complicated condition district.
2, for meeting device assembles requirement, Liang Ge cavern need arrange the lifting appliance for installing TBM main frame and rear supporting chassis respectively.
3, because clipping room inverted arch end face is in same elevation, need secondary to set up and supportingly increase structure afterwards after TBM in supporting assembling process, it reduce TBM and rear supporting synchronous flexibility when installing, TBM installation effectiveness is lower.
How under the prerequisite ensureing clipping room structural safety, rationally arrange the form of structure of clipping room, the demand meeting clipping room rapid construction and TBM rapid-assembling is the factor that must consider.
Summary of the invention
The invention provides a kind of TBM clipping room height step to make and construction method, namely can construction safely and fast, TBM rapid-assembling can be met again.
For solving above technical problem, the invention provides following technical scheme: a kind of TBM clipping room height step makes and construction method, described clipping room comprises low step section and plateau stage, TBM main frame and parts thereof are installed in low step section top, TBM Backup system is installed at plateau stage top, and described preparation method is as follows:
The minimum length that A, the TBM that determines of construction period gone into operation according to TBM synchronously install and parts thereof install needed for the minimum clear length of minimum spatial dimension determination clipping room;
B, according to TBM mainframe section length and parts thereof, the minimum clear length that required minimum spatial dimension requires to determine clipping room low step section is installed;
C, according to supporting structure device length after TBM and parts transport and install minimal distance requirement determination plateau stage minimum clear length;
D, add bridge machine physical dimension according to TBM mainframe section maximum height and the minimum spatial dimension needed for installing thereof and the headway of the low step section of minimum range determination clipping room needed for bridge machine is installed;
E, at the bottom of support roller root edge face supporting after TBM (or rear supporting trolley running rail top face) and TBM main frame the difference in height (after being called for short, supporting increased heights is poor) of shield collet minimum point, determine that the clear height of clipping room just step is poor.Deduct rear supporting increased heights by the headway of low step section poor, draw the headway in clipping room plateau stage;
F, area requirement of putting according to large of TBM main frame and unload needed for component transports, determine the span width of clipping room and tunnel the side-play amount of tunnel axis with TBM;
Described construction method is as follows:
A, according to country rock situation and structural calculation result, and TBM clipping room auxiliary equipment arrange space requirement, determine finished section size and the support form of clipping room;
B, employing presplit blasting and Controlled blasting technique complete the excavation of height step;
C, height step mating face place, as there is damage, adopt Cast-in-place concrete or precast concrete block polishing;
The pre-buried H profile steel slideway of D, clipping room low step section, meets TBM main frame stepping needs;
E, clipping room plateau stage pre-buried dark rail, supporting assembling needs after meeting TBM;
After the stepping of F, TBM main frame enters hole of starting, the low step of clipping room is established steel support structure and lays track.
This TBM clipping room height step that the present invention relates to makes and construction method, poor according to rear supporting increased heights, clipping room is designed to crown height unanimously, back-plane design becomes height stepped ramp type structure, adopt all-pass formula travelling bridge machine, TBM main frame and rear supporting installation needs can be met simultaneously.Adopt presplit blasting and Controlled blasting technique to complete height step excavation construction in construction, due to the position that high low platform component level reduces in clipping room, construct simple, safety is secure.
This clipping room height step design and construction method provided by the invention, after can effectively avoiding clipping room TBM mainframe section and TBM, supporting assembling section is designed to the different Liang Ge cavern of crown height, owing to eliminating the linkage segment structure between two sections, replace height step arranged in form, greatly reduce difficulty of construction.Because construction section supporting after TBM adopts high step to arrange, after TBM Backup system is transported to clipping room, directly can be assembled to appointed part by the handling of portable bridge machine, decrease a set of lifting appliance.The high step surface that can directly utilize excavation to be formed, the secondary that must adopt when eliminating conventional rear supporting assembling increases structure, greatly improves the installation effectiveness of TBM and the flexibility of assembling.
Accompanying drawing explanation
Fig. 1 is the high low platform stage structure elevation of a kind of TBM clipping room of the present invention;
Fig. 2 is the height step sectional view of a kind of TBM clipping room of the present invention.
Detailed description of the invention
As depicted in figs. 1 and 2, clipping room 2 connects hole 1 of starting, the linkage section 3 that clipping room 2 is connected with normal tunnel, bridge machine work sideline 4, high step 5, low step 6, Backup system 7, TBM main frame 8, shield collet 9, inverted arch concrete 10.
Minimum length that the TBM that determines of construction period gone into operation according to TBM synchronously installs (synchronous mainframe section of installing and rear supporting structure section) and parts transport thereof and the minimal distance requirement (installing TBM uses the 1/2+ bridge machine of bridge machine width degree to require to the minimum clear distance of abutment wall) needed for installing determine the minimum clear length of clipping room.
The minimum clear length of clipping room low step section is determined according to TBM main frame 8 length and installation minimal distance requirement (the 1/2+ bridge machine installing the bridge machine width degree of TBM requires to the minimum clear distance of side, cutterhead front clipping room abutment wall) thereof.
Plateau stage minimum clear length is determined according to TBM Backup system 7 structure length and installation minimal distance requirement (the 1/2+ bridge machine installing the bridge machine width degree of TBM requires to the minimum clear distance of rear supporting tail end side clipping room abutment wall) thereof.
According to TBM main frame 8 height (distance of the TBM main frame shield top end of to shield collet minimum point) and install minimum range (determining by bridge machine working space requirement for height) and add bridge machine physical dimension and the minimum range (determining by the lifting appliance requirement of assembling bridge machine) of installing needed for bridge machine determines the headway of the low step section of clipping room.
According to TBM Backup system 7 castor root edge face (or the rear supporting trolley track tread face) difference in height with shield collet 9 minimum point at the bottom of TBM main frame, determine that the clear height of clipping room height step cavern is poor.The clear height being deducted height step by the headway of low step is poor, draws the headway of clipping room height step.
To put and unload needed for component transports the requirements such as region according to the large part of TBM main frame 8, determine the span width of clipping room and tunnel the side-play amount (parameter provided by producer is determined) of tunnel axis with TBM.
According to wall rock geology situation and tunnel structure result of calculation, and the space requirement that TBM clipping room Backup system 7 is arranged, determine finished section size and the support form of clipping room.
Clipping room can by step method.Construct on earth floor height ground stepped area time, first adopt presplit blasting to form height step bonding surface, then adopt the controlled blasting of reserved topping, complete height bench excavation respectively.
If height step mating face place, as there is damage, adopts Cast-in-place concrete or precast concrete block polishing.
Clipping room low step section builds inverted arch concrete and pre-buried H profile steel (selecting H300 shaped steel) slideway, meets TBM main frame stepping needs.
The clipping room plateau stage builds inverted arch concrete and pre-buried rear supporting track and locomotive operation track (selection standard P43 rail, dark rail form), meets TBM Backup system and is transported to the needs directly carrying out in clipping room assembling.
After the stepping of TBM main frame enters hole of starting, after clipping room low step erection TBM, steel tie increased by supporting chassis.And supporting track and locomotive operation track (selection standard rail) extend to the 5m section of the starting entrance of starting in hole, the complete needs that can step to 1 section, hole of starting immediately of supporting assembling after meeting TBM after laying thereon.
In clipping room, height step inverted arch end face arranges the aproll face tilted to both sides, making the water in clipping room from flowing in the gutter arranged in both sides, by pumping plant pumping out clipping room after being collected to collecting well by gutter.
Detailed description of the invention of the present invention does not form the restriction to the application's scope; within every spirit in the present invention's design and principle, any amendment that one of skill in the art can make, equivalent to replace and improvement etc. all should be included within protection scope of the present invention.
Claims (1)
1. TBM clipping room height step makes and a construction method, and it is characterized in that, clipping room crown height is consistent, clipping room comprises low step section and plateau stage, TBM main frame and parts thereof are installed in low step section top, and TBM Backup system is installed at plateau stage top, and described preparation method is as follows:
The minimum length that A, the TBM that determines of construction period gone into operation according to TBM synchronously install and parts thereof install needed for the minimum clear length of minimum spatial dimension determination clipping room;
B, according to TBM main frame length and parts thereof, the minimum clear length that required minimum spatial dimension requires to determine clipping room low step section is installed;
C, according to TBM Backup system length and parts transport and install minimal distance requirement determination plateau stage minimum clear length;
D, add bridge machine physical dimension according to TBM main frame maximum height and the minimum spatial dimension needed for installing thereof and the headway of the low step section of minimum range determination clipping room needed for bridge machine is installed;
E, difference in height according to shield collet minimum point at the bottom of the support roller root edge face of TBM Backup system or rear supporting trolley running rail top face and TBM main frame, after being called for short, supporting increased heights is poor, determine that the clear height of clipping room height step is poor, deduct rear supporting increased heights by the headway of low step section poor, draw the headway in clipping room plateau stage;
F, area requirement of putting according to large of TBM main frame and unload needed for component transports, determine the span width of clipping room and tunnel the side-play amount of tunnel axis with TBM;
Described construction method is as follows:
A, according to country rock situation and structural calculation result, and TBM clipping room Backup system arrange space requirement, determine finished section size and the support form of clipping room;
B, employing presplit blasting and Controlled blasting technique complete the excavation of height step;
C, height step mating face place, as there is damage, adopt Cast-in-place concrete or precast concrete block polishing;
The pre-buried H profile steel slideway of D, clipping room low step section;
E, clipping room plateau stage pre-buried dark rail;
After the stepping of F, TBM main frame enters hole of starting, the low step of clipping room arranges steel support structure and lays track.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310443816.7A CN103485789B (en) | 2013-09-26 | 2013-09-26 | TBM clipping room height step makes and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310443816.7A CN103485789B (en) | 2013-09-26 | 2013-09-26 | TBM clipping room height step makes and construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103485789A CN103485789A (en) | 2014-01-01 |
| CN103485789B true CN103485789B (en) | 2015-09-16 |
Family
ID=49826334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310443816.7A Active CN103485789B (en) | 2013-09-26 | 2013-09-26 | TBM clipping room height step makes and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103485789B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221156B (en) * | 2015-11-12 | 2017-08-29 | 北方重工集团有限公司 | A kind of open type rock roadway in coal mine hard rock mole originates stepping method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201722673U (en) * | 2010-05-19 | 2011-01-26 | 中国水电顾问集团华东勘测设计研究院 | Hydraulic tunnel stone pit reconstructed according to TBM assembled in tunnel |
-
2013
- 2013-09-26 CN CN201310443816.7A patent/CN103485789B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201722673U (en) * | 2010-05-19 | 2011-01-26 | 中国水电顾问集团华东勘测设计研究院 | Hydraulic tunnel stone pit reconstructed according to TBM assembled in tunnel |
Non-Patent Citations (3)
| Title |
|---|
| TBM地下组装洞室的设计与施工;袁亮;《水电站设计》;20121215;第28卷(第S1期);第48-50页 * |
| 大断面TBM洞内组装技术;曹海涛;《TBM技术》;20091120(第11期);第14-17页 * |
| 锦屏TBM组装洞特大断面空间交错施工技术;任国青;《现代隧道技术》;20121215(第6期);第139-145页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103485789A (en) | 2014-01-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101285372B1 (en) | Subway platform and construct method of subway platform | |
| CN104612698B (en) | A kind of shallow-depth-excavation tunnel top bar interval wall construction method | |
| US10036252B2 (en) | Method for removing hydraulic support for solid filling coal mining | |
| CN103306680B (en) | Existing single-track tunnel enlarging is the construction method of multiple track tunnel | |
| CN103046933B (en) | Shield station-crossing tunneling and station parallel construction method | |
| CN103603679B (en) | For arch crown steel frame and the method for tunnel construction of arch, supporting tunnel | |
| CN205578016U (en) | Shield constructs quick -witted section of jurisdiction handling system | |
| CN205876360U (en) | Interim support system is used in tunnel two side wall drift method excavation construction | |
| CN107605490A (en) | Single hole large cross-section tunnel double side wall construction conversion process | |
| CN103470272A (en) | Trolley for concrete construction on multiple sections by employing mining method and construction method thereof | |
| CN104481546A (en) | Doubly curved arch construction method for enabling inclined shaft of soft rock tunnel to enter main tunnel | |
| CN102979040B (en) | Assembly method of bridge-building machine at exit of tunnel connected with bridge | |
| CN108915714A (en) | The double TBM installation methods in one hole | |
| CN103485789B (en) | TBM clipping room height step makes and construction method | |
| CN104314577B (en) | Shield machine assembly and disassembly methods in tunnel | |
| CN105240012A (en) | F-type section coal-mining method allowing commingled mining of coal pillars | |
| CN103147406A (en) | Small-curve cross-mountain tunnel box girder transporting and erecting integrated machine and head and tail hole box girder erection method thereof | |
| CN203499697U (en) | Trolley used for concrete construction of various cross sections through mining method | |
| CN103742155A (en) | Long-span segment removing method | |
| CN203412583U (en) | High-low step structure of TBM (Tunnel Boring Machine) assembly bay | |
| CN104047607A (en) | Construction method for lifting out shield tunneling machine under condition of envelop enclosure | |
| CN203961365U (en) | Underground nuclear power station nuclear island factory building underground hole group is perpendicular to the Construction Arrangement of massif depth direction | |
| CN103244121B (en) | Track and trackless coupled bottom ore removal system | |
| CN105156130B (en) | A kind of constructing tunnel exempts from supporting safe construction method | |
| CN110145314A (en) | A kind of method that the tall and big Core Soil of extra-large cross-section bored tunnel is removed |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: CHINA GEZHOUBA GROUP NO.3 ENGINEERING CO., LTD. Free format text: FORMER OWNER: GEZHOUBA XINJIANG ENGINEERING CO., LTD. Effective date: 20150813 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20150813 Address after: 710077 Shaanxi Province, Xi'an Yanta District Jinye Road No. 68 Applicant after: CHINA GEZHOUBA GROUP NO.3 ENGINEERING CO., LTD. Address before: Xinhua the Xinjiang Uygur Autonomous Region road 830049 Urumqi City Tianshan District No. 918 Applicant before: Gezhouba Dam Xinjiang Engineering Bureau (limited) |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |