CN104989428A - Tunnel construction lining quantity determining device and tunnel construction lining quantity determining construction method - Google Patents
Tunnel construction lining quantity determining device and tunnel construction lining quantity determining construction method Download PDFInfo
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- CN104989428A CN104989428A CN201510427376.5A CN201510427376A CN104989428A CN 104989428 A CN104989428 A CN 104989428A CN 201510427376 A CN201510427376 A CN 201510427376A CN 104989428 A CN104989428 A CN 104989428A
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Abstract
The invention provides a tunnel construction lining quantity determining device, which is characterized by comprising a formwork, wherein a grouting outlet and a grouting inlet are formed in the formwork; the grouting outlet is formed in the outer side of the formwork; the grouting inlet is formed in the inner side of the formwork; the top of the inner side of the formwork is provided with reinforcing bars; and a plurality of groups of transverse telescopic support rods and longitudinal telescopic support rods which are in crossed arrangement are arranged under the reinforcing bars. Compared with the prior art, the tunnel construction lining quantity determining device has the advantages that a three-dimensional laser scanning technology is used for scanning reflecting targets arranged in a tunnel to determine the volume of a tunnel; through testing distribution points at different layers, the lining volume is determined through subtraction by a computer; the concrete injection quantity is calculated; the whole process is determined through the calculation by the computer; the data is precise; the speed is high; the waste in the construction process is avoided; and meanwhile, the construction period is reduced.
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.
Secondary lining and preliminary bracing are comparatively speaking, under referring to the condition of having carried out preliminary bracing in tunnel, with the inner lining that the materials such as concrete are built, reaching its support reinforcement, optimize route waterproof and water drainage system, aesthetic appeal, the effect of the facilities such as communication, illumination, monitoring be 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.
Patent publication No CN203730013U distribution device of building for tunnel lining concrete, comprise tunnel lining trolley and arch template, arch template offers perfusing hole, tunnel lining trolley comprises a pack support, every pack support comprises the vertical vertical beam arranged, be located at the crossbeam between vertical beam and hound, hound one end connects vertical beam, hound other end connecting cross beam, also include cloth pipeline and carriage, carriage comprises the sliding rail longitudinally arranged, sliding rail connects the crossbeam in a pack support and is positioned at crossbeam lower end, the left and right sides of sliding rail is provided with chute, pulley is equipped with in the chute of both sides, fixed band is provided with between two side rollers, cloth pipeline is through fixed band.Instant invention overcomes existing lining concrete constructing operation trouble, large, the inefficient defect of labour intensity, provide a kind of simple to operate, labour intensity is low and the distribution device of building for tunnel lining concrete that efficiency is high.
The and for example anti-race die device of the tunnel lining trolley of Patent publication No CN202132055U and tunnel lining trolley, this tunnel trolley anti-race die device comprises arch angle very heavy (2), also comprises by the very heavy bearing (3) of ground supports and the side direction very heavy (4) being connected to chassis; Described arch angle very heavy (2) one end is articulated with dynamic model (1) under chassis, and the downward-sloping extension of the other end is articulated with described very heavy bearing (3) side; Described side direction very heavy (4) one end is articulated with chassis door frame longeron (5), and the downward-sloping extension of the other end is articulated with the opposite side of described very heavy bearing (3).The present invention also comprises the tunnel lining trolley being provided with described anti-race die device.The anti-race die device of the present invention, without the need to beating anchor pole, mounts and dismounts very convenient, can improve tunnel lining efficiency.
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, and described template edges at two ends is screwed in template by bolt and is movably installed with baffle plate, uniformly on described baffle plate are laid with right angle support frame, and support is connected between right angle support frame and support platform.
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, 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, and 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 are laid with right angle support frame, and support 5 is connected between right angle support frame and support platform 14.
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, reuse reflective target 7 in spatial digitizer 23 scan templates, data being 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, determining 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), 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, and support (5) is connected between right angle support frame and support platform (14).
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) waterproofing course (3) is laid 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, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510427376.5A CN104989428A (en) | 2015-07-20 | 2015-07-20 | Tunnel construction lining quantity determining device and tunnel construction lining quantity determining construction method |
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| CN201510427376.5A CN104989428A (en) | 2015-07-20 | 2015-07-20 | Tunnel construction lining quantity determining device and tunnel construction lining quantity determining construction method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107677257A (en) * | 2017-09-25 | 2018-02-09 | 伟志股份公司 | The long-range survey system and investigation method of a kind of tunnel construction site |
| CN109538250A (en) * | 2019-01-28 | 2019-03-29 | 中南大学 | Device and method for branch at the beginning of tunnel with mould gunite concrete rapid construction |
| CN113738402A (en) * | 2021-09-18 | 2021-12-03 | 湖北祖德水利水电工程有限公司 | Support system and method for hydraulic tunnel construction |
| CN114483108A (en) * | 2022-03-28 | 2022-05-13 | 中国水利水电第三工程局有限公司 | Small-aperture tunnel lining construction system and method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107677257A (en) * | 2017-09-25 | 2018-02-09 | 伟志股份公司 | The long-range survey system and investigation method of a kind of tunnel construction site |
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| CN113738402B (en) * | 2021-09-18 | 2024-04-09 | 湖北祖德水利水电工程有限公司 | Supporting system and method for hydraulic tunnel construction |
| CN114483108A (en) * | 2022-03-28 | 2022-05-13 | 中国水利水电第三工程局有限公司 | Small-aperture tunnel lining construction system and method |
| CN114483108B (en) * | 2022-03-28 | 2023-02-28 | 中国水利水电第三工程局有限公司 | Small-aperture tunnel lining construction system and method |
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Application publication date: 20151021 |