CN104963702A - Tunnel construction lining quantity confirming device and construction method thereof - Google Patents
Tunnel construction lining quantity confirming device and construction method thereof Download PDFInfo
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- CN104963702A CN104963702A CN201510425109.4A CN201510425109A CN104963702A CN 104963702 A CN104963702 A CN 104963702A CN 201510425109 A CN201510425109 A CN 201510425109A CN 104963702 A CN104963702 A CN 104963702A
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Abstract
Provided is a tunnel construction lining quantity confirming device. The tunnel construction lining quantity confirming device is characterized by comprising a template. The template is provided with a grout outlet and grout inlets. The grout outlet is arranged on the outer side of the template. The grout inlets are arranged on the inner side of the template. The top of the inner side of the template is provided with reinforcing ribs. Multiple sets of transverse telescopic supporting rods and horizontal telescopic supporting rods which are distributed in a crossed mode are arranged below the reinforcing ribs. Compared with the prior art, the tunnel construction lining quantity confirming device has the advantages that a three-dimensional laser scanning technology is utilized, a reflective target arranged in a tunnel is subjected to scanning, the volume of the tunnel is confirmed, by measuring distribution points in different layers, subtracting is carried out by utilizing a computer, the lining volume is confirmed, the concrete injection volume is calculated, the computer calculating is accurate in the whole process, data are accurate, the speed is high, wastes in the construction can be avoided, and meanwhile the project period is saved.
Description
Technical field
The invention belongs to construction engineering technical field, be specifically related to a kind of constructing tunnel lining cutting amount determining device and construction method thereof.
Background technology
Lining cutting refers to as preventing surrouding rock deformation or caving in, along the permanent supporting and protection structure that the materials such as tunnel trunk periphery steel concrete are built.Lining Technique is normally applied in construction of tunnel, water conservancy channel.Lining cutting is exactly liner in brief, and common is exactly use building block lining cutting, can be the lining cutting of prestressing force high pressure grouting plain concrete.
Comparatively speaking, under referring to the condition of having carried out preliminary bracing in tunnel, the inner lining built with materials such as concrete, to reach its support reinforcement, optimization route is prevented for secondary lining and preliminary bracing
drainage system, aesthetic appeal, the effect of the facilities such as communication, illumination, monitoring is conveniently set, to adapt to the requirement of modernization super expressway tunnel construction.
The splash guard of drainage systems waterproofing course is laid should concrete construction in advance, and crossover distance is preferably 5 to 20m, and temporary baffle should be established to prevent mechanical damage and electric spark to burn splash guard.Should meet the following requirements during secondary lining concrete construction: answer Bian to get when colligation, welded reinforcement anti-to pierce through, the measure of calcination splash guard; Concrete discharging opening directly must not contact drainage systems with vibrating spear.
A kind of tunnel lining trolley material distributing machine of Patent publication No CN102359381A, comprises belt conveyor, also comprises: two tie-beams, and be consolidated in respectively between chassis upper beam two ends, each tie-beam is provided with hinge hole and hinged groove; Two base bracket, each base bracket top has been arranged side by side the first roller and the second roller, and the lower position of the first roller and the second roller is respectively equipped with the first corresponding free bearing and the second free bearing; Base bracket lays respectively at the top of two tie-beams, is connected by governor motion; Belt conveyor bottom is consolidated with guide rail side by side, and guide rail is placed on the first roller and the second roller respectively, and is driven by the transfer bar mechanism between base bracket and belt conveyor.。
And for example a kind of tunnel lining trolley plugging device of Patent publication No CN204041078U, comprises at least one shutoff single-piece; Described shutoff single-piece comprises the first sleeve, the second sleeve, major axis, minor axis, cope match-plate pattern and lower bolster; Described first sleeve and described second sleeve are set up in parallel, and both upper surfaces are all fixed on the lower surface of described lower bolster, and described lower bolster is detachable to be fixed on the form cage of tunnel lining trolley; Described major axis and described minor axis are set up in parallel, and both ends are all fixed on the form cage of tunnel lining trolley; The front end of described major axis is run through described first sleeve and is fixed through the first nut, and the front end of described minor axis is run through described second sleeve and is fixed through the second nut; The length of described minor axis is 1.05-1.2 times of the length of described lower bolster, and the length of described major axis is 1.05-1.2 times of the length of described minor axis and the length sum of described lower bolster;
At present, tunnel is constructed extensive in lining cutting process, and the consumption for lining concrete is all see empirical estimating, can cause a large amount of wastes like this in construction, increases construction cost.
Summary of the invention
The present invention is directed to the shortcoming of prior art, propose a kind of constructing tunnel lining cutting amount determining device and construction method thereof, this device and construction method thereof can accomplish accurate Calculation to the concrete amount of the secondary lining in tunnel, effectively prevent the waste in construction, accomplish scientific and reasonable construction.
For realizing object of the present invention, the technical solution used in the present invention is:
A kind of constructing tunnel lining cutting amount determining device, it is characterized in that: comprise template, described template is provided with slip casting outlet and slip casting entrance, and described slip casting outlet is laid in outside template, and slip casting entrance is laid in inside template; Described template inside top is provided with reinforcing rib, is provided with the many groups transversal stretching support bar and longitudinal extension support bar that intersect and lay below described reinforcing rib;
Often group transversal stretching support bar and longitudinal extension support bar are made up of two transversal stretching support bars and two longitudinal extension support bars intersections, and the retractable support structure of transversal stretching support bar and longitudinal extension support bar is jack or hydraulic cylinder;
Reflective target and outer reflective target uniform internal face and the outside wall surface being arranged on described template respectively of template in template, in described template, reflective target is identical with the outer reflective target quantity of template, and is laid by the axis one_to_one corresponding of template; Spatial digitizer is laid in outside template and its position just to the vertical center line of template;
Inside described template, two ends are provided with support platform, described template edges at two ends is screwed in template by bolt and is movably installed with baffle plate, uniformly on described baffle plate be laid with right angle support frame, support is connected between right angle support frame and support platform, described template inside is also provided with heating tube, and described heating tube is connected with heating line.
Preferentially, the quantity of described slip casting outlet and slip casting entrance is 2, and slip casting outlet and slip casting entrance are laid in the two ends of template respectively.
A kind of constructing tunnel lining cutting amount determination construction method, is characterized in that: comprise the steps:
(1) utilize concrete sprayer to carry out just lining to massif excavation structure and form just lining structure, and in first lining structure uniform laying reinforcing rib;
(2) lay waterproofing course at first lining structure wall, and on waterproofing course, install reflective target one along tunnel direction of advance, reflective target one quantity is identical with the outer reflective target quantity of template;
(3) utilize spatial digitizer to start to scan reflective target one, data are inputted computer calculate and record waterproofing course with the circular arch volume of lower area;
(4) running gear is utilized template to be sent in first lining structure, and adjust spatial digitizer height reflective target in the outer reflective target of template and template is scanned, data are inputted outside wall surface that computer calculate records template respectively with the circular arch volume of lower area and internal face with the circular arch volume of lower area;
(5) utilize computer to start to calculate, by the outside wall surface recording waterproofing course and to deduct with the circular arch volume of lower area template is obtained clearancen difference subfield value with the circular arch volume of lower area, determine secondary lining amount;
(6) by baffle plate by bolt screw in template by the outside wall surface two ends of template and just between lining structure empty difference gap out block, start slip casting entrance injection concrete, injection volume is the secondary lining amount that step (5) calculates;
(7) after slip casting completes, after carrying out maintenance by design time, in maintenance processes, heating tube conveying conduction oil is incubated two lining structures, reuse reflective target in spatial digitizer scan templates, data are inputted computer calculate and record template internal face with the circular arch volume secondary data of lower area, by contrasting with the circular arch volume data of lower area with the template internal face of step (4), determine Tunnel Second Lining deflection;
(8) dismantle baffle plate, continue to utilize running gear band moving platen to advance;
(9) step 1-8 is repeated, until overall secondary lining section completes.
Preferentially, described reinforcing rib is i iron or round steel.
Preferentially, described concrete sprayer is Wet-dry concrete sprayer.
Compared with prior art, advantage of the present invention is: utilize three-dimensional laser scanning technique to scan to the reflective target that tunnel is laid the volume determining tunnel, by measuring layouting of diverse location, utilize computer to subtract each other and determine lining cutting volume, calculate concrete injection volume, whole process computer calculates to be determined, data are accurate, speed is fast, can avoid the waste in constructing, save the duration simultaneously.
Accompanying drawing explanation
The following accompanying drawing by means of embodiment carries out brief description to the present invention now.In accompanying drawing:
Fig. 1 shows the lateral view of template of the present invention;
Fig. 2 shows the lateral view of constructing tunnel lining cutting amount determining device of the present invention;
Fig. 3 shows the structural layout plan of template of the present invention;
Fig. 4 shows the structural layout plan that spatial digitizer of the present invention and template are laid;
Fig. 5 shows template front view of the present invention;
Fig. 6 shows template internal construction arrangement diagram of the present invention;
Fig. 7 shows secondary lining distressed structure arrangement diagram of the present invention.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art and understand the present invention further, but not limit the present invention in any form.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, some distortion and improvement can also be made.These all belong to protection scope of the present invention.
Embodiment 1
As shown in the figure, a kind of constructing tunnel lining cutting amount determining device, comprises template 9, and described template 9 is provided with slip casting outlet 15 and slip casting entrance 19, and described slip casting outlet 15 is laid in outside template 9, and slip casting entrance 19 is laid in inside template 9; Described template 9 inside top is provided with reinforcing rib 22, is provided with the many groups transversal stretching support bar 17 and longitudinal extension support bar 18 that intersect and lay below described reinforcing rib 22.
Often group transversal stretching support bar 17 and longitudinal extension support bar 18 are made up of two transversal stretching support bars 17 and two longitudinal extension support bars 18 intersections, and transversal stretching support bar 17 and the retractable support structure both longitudinal extension support bar 18 are jack or hydraulic cylinder.
Reflective target 7 and outer reflective target 11 uniform internal face and the outside wall surface being arranged on described template 9 respectively of template in template, in described template, reflective target 7 is identical with outer reflective target 11 quantity of template, and is laid by the axis one_to_one corresponding of template 9; Spatial digitizer 23 is laid in outside template 9 and its position just to the vertical center line of template 9.
Inside template 9, two ends are provided with support platform 14, described template 9 edges at two ends is screwed in template 9 by bolt 6 and is movably installed with baffle plate 4, uniformly on described baffle plate 4 be laid with right angle support frame, support 5 is connected between right angle support frame and support platform 14, described template 9 internal face is provided with transmission line of electricity group, uniformly in described transmission line of electricity group be connected with sunlamp, transmission line of electricity group bus is connected to above the switchbox that is arranged in support platform, switchbox connects battery or external power source, sunlamp cuts out when spatial digitizer scans reflective target, open when not scanning.Described template 9 inside is also provided with heating tube 41, and described heating tube 41 is connected with heating line 42, and heating line 42 connects total gas collecting apparatus 43, and total gas collecting apparatus 43 connects outside conveying gas distribution channel.
The quantity of slip casting outlet 15 and slip casting entrance 19 is 2, and slip casting outlet 15 and slip casting entrance 19 are laid in the two ends of template 9 respectively.In addition, template 9 is collapsible template, namely by template connecting portion 20, three pieces of little templates is launched into one block of mould preparation plate, meets different tunnel radians by the elongation of transversal stretching support bar 17 from the radian size shortening Control architecture 9.
In addition, based on said apparatus, the present invention also proposes a kind of constructing tunnel lining cutting amount determination construction method, it is characterized in that: comprise the steps:
(1) utilize concrete sprayer to excavate structure to massif 1 to carry out just lining and form just lining structure 10, and in first lining structure 10 uniform laying reinforcing rib 2;
First lining and preliminary bracing are the piths in tunnel support structure, account for tunnel structure stressed about 70%, comparatively speaking, much bigger than the effect of two linings, in general, preliminary bracing is done well, mainly can cause tunnel structure strain cracking, causes two lining structure crackings, leaks.In addition, concrete sprayer is Wet-dry concrete sprayer, in order to strengthen just lining structure, the reinforcing rib 2 that also uniform layout selects i iron or round steel to make in first lining structure.
(2) lay waterproofing course 3 at first lining structure 10 wall, and on waterproofing course 3, install reflective target 1 along tunnel direction of advance, reflective target 1 quantity is identical with outer reflective target 11 quantity of template; The laying of waterproofing course, mainly in order to prevent water seepage of tunnel, is the basic technology in constructing tunnel.
(3) utilize spatial digitizer 23 to start to scan reflective target 1, data are inputted computer calculate and record waterproofing course 3 with the circular arch volume of lower area;
(4) running gear is utilized template 9 to be sent in first lining structure 10, and adjust spatial digitizer 23 and highly reflective target 7 in the outer reflective target 11 of template and template is scanned, data are inputted outside wall surface that computer calculate records template 9 respectively with the circular arch volume of lower area and internal face with the circular arch volume of lower area; Running gear is mainly tunnel trolley.
(5) utilize computer to start to calculate, by the outside wall surface recording waterproofing course 3 and to deduct with the circular arch volume of lower area template 9 is obtained clearancen difference subfield value with the circular arch volume of lower area, determine secondary lining amount;
(6) by baffle plate 4 by bolt 6 screw in template 9 by the outside wall surface two ends of template 9 and just between lining structure 10 empty difference gap out block, start to inject concrete to slip casting entrance 19, injection volume is the secondary lining amount that step 5 calculates;
(7) after slip casting completes, form secondary liner structure, after carrying out maintenance by design time, be generally more than 8 hours, in maintenance processes, carry the conduction oil of heating to be incubated two lining structures to heating tube 41, inside and outside heat is uneven to prevent concrete, there is cracking, reuse reflective target 7 in spatial digitizer 23 scan templates, data are inputted computer calculate and record template 9 internal face with the circular arch volume secondary data (referring to Fig. 7) of lower area, by contrasting with the circular arch volume data of lower area with template 9 internal face of step 4, determine Tunnel Second Lining deflection,
(8) dismantle baffle plate 4, continue to utilize running gear band moving platen 9 to advance;
(9) step 1-8 is repeated, until overall secondary lining section completes.
Claims (5)
1. a constructing tunnel lining cutting amount determining device, it is characterized in that: comprise template (9), described template (9) is provided with slip casting outlet (15) and slip casting entrance (19), and described slip casting outlet (15) is laid in template (9) outside, and slip casting entrance (19) is laid in template (9) inner side; Described template (9) inside top is provided with reinforcing rib (22), and described reinforcing rib (22) below is provided with the many groups transversal stretching support bar (17) and longitudinal extension support bar (18) that intersect and lay;
Often group transversal stretching support bar (17) and longitudinal extension support bar (18) were made up of two transversal stretching support bars (17) and two longitudinal extension support bar (18) intersections, and transversal stretching support bar (17) and both retractable support structures of longitudinal extension support bar (18) are jack or hydraulic cylinder;
Reflective target (7) and outer reflective target (11) uniform internal face and the outside wall surface being arranged on described template (9) respectively of template in template, in described template, reflective target (7) is identical with outer reflective target (11) quantity of template, and is laid by the axis one_to_one corresponding of template (9); Spatial digitizer (23) is laid in outside template (9) and its position just to the vertical center line of template (9);
Two ends, described template (9) inner side are provided with support platform (14), described template (9) edges at two ends is screwed in template (9) by bolt (6) and is movably installed with baffle plate (4), described baffle plate (4) is above uniform is laid with right angle support frame, support (5) is connected between right angle support frame and support platform (14), described template (9) inside is also provided with heating tube (41), and described heating tube (41) is connected with heating line (42).
2. constructing tunnel lining cutting amount determining device according to claim 1, it is characterized in that: the quantity of described slip casting outlet (15) and slip casting entrance (19) is 2, and slip casting outlet (15) and slip casting entrance (19) are laid in the two ends of template (9) respectively.
3. a constructing tunnel lining cutting amount determination construction method, is characterized in that: comprise the steps:
(1) utilize concrete sprayer to carry out just lining to massif (1) excavation structure and form just lining structure (10), and in first lining structure (10) uniform laying reinforcing rib (2);
(2) lay waterproofing course (3) at first lining structure (10) wall, and along tunnel direction of advance at the reflective target one (91) of the upper installation of waterproofing course (3), reflective target one (91) quantity is identical with outer reflective target (11) quantity of template;
(3) utilize spatial digitizer (23) to start to scan reflective target one (91), data are inputted computer calculate and record waterproofing course (3) with the circular arch volume of lower area;
(4) running gear is utilized template (9) to be sent in first lining structure (10), and adjust spatial digitizer (23) and highly reflective target (7) in the outer reflective target (11) of template and template is scanned, data are inputted outside wall surface that computer calculate records template (9) respectively with the circular arch volume of lower area and internal face with the circular arch volume of lower area;
(5) utilize computer to start to calculate, the outside wall surface deducting template (9) by recording waterproofing course (3) with the circular arch volume of lower area obtains the poor subfield value of clearancen with the circular arch volume of lower area, determines secondary lining amount;
(6) difference gap out empty between the outside wall surface two ends of template (9) and first lining structure (10) is blocked by bolt (6) screw-in template (9) is interior by baffle plate (4), start slip casting entrance (19) injection concrete, injection volume is the secondary lining amount that step (5) calculates;
(7) after slip casting completes, after carrying out maintenance by design time, and heating tube (41) conveying conduction oil is incubated two lining structures, reuse reflective target (7) in spatial digitizer (23) scan templates, data are inputted computer calculate and record template (9) internal face with the circular arch volume secondary data of lower area, by contrasting with the circular arch volume data of lower area with template (9) internal face of step (4), determine Tunnel Second Lining deflection;
(8) dismantle baffle plate (4), continue to utilize running gear band moving platen (9) to advance;
(9) step 1-8 is repeated, until overall secondary lining section completes.
4. constructing tunnel lining cutting amount determination construction method according to claim 3, is characterized in that: described reinforcing rib (2) is i iron or round steel.
5. constructing tunnel lining cutting amount determination construction method according to claim 3, is characterized in that: described concrete sprayer is Wet-dry concrete sprayer.
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| CN201510425109.4A CN104963702A (en) | 2015-07-20 | 2015-07-20 | Tunnel construction lining quantity confirming device and construction method thereof |
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| CN201510425109.4A CN104963702A (en) | 2015-07-20 | 2015-07-20 | Tunnel construction lining quantity confirming device and construction method thereof |
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Cited By (3)
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| CN105275472A (en) * | 2015-11-13 | 2016-01-27 | 河北科技师范学院 | Construction method of multi-arch tunnel without middle wall |
| CN105756711A (en) * | 2016-03-02 | 2016-07-13 | 中交第二航务工程局有限公司 | Tunnel construction primary support limit invasion monitoring analysis early-warning method based on three-dimensional laser scanning |
| CN105840212A (en) * | 2016-04-28 | 2016-08-10 | 中冶建工集团有限公司 | Tunnel construction arch center formwork correcting method |
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| CN105275472A (en) * | 2015-11-13 | 2016-01-27 | 河北科技师范学院 | Construction method of multi-arch tunnel without middle wall |
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Application publication date: 20151007 |
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