CN203890982U - Tunnel inverted arch inverted-arc exhaust turnover formwork - Google Patents
Tunnel inverted arch inverted-arc exhaust turnover formwork Download PDFInfo
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- CN203890982U CN203890982U CN201420301227.5U CN201420301227U CN203890982U CN 203890982 U CN203890982 U CN 203890982U CN 201420301227 U CN201420301227 U CN 201420301227U CN 203890982 U CN203890982 U CN 203890982U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
A tunnel inverted arch inverted-arc exhaust turnover formwork comprises a formwork supporting system, a P1015 shaped arc-shaped steel formwork, a P3015 shaped arc-shaped steel formwork, supporting reinforcing adjusting bolts and exhaust holes. The formwork supporting system is installed on an arc bottom plate of a tunnel, the concrete lining angle of the arc bottom plate of an inverted arch of the tunnel is 100 degrees, a formwork is not erected in the middle 33-degree range which is a non-formwork-erecting area, the P1015 shaped arc-shaped steel formwork and the P3015 shaped arc-shaped steel formwork are erected in the ranges of 33.5 degrees on the two sides of the middle 33-degree range respectively, the ranges of 33.5 degrees on the two sides are formwork areas, the P1015 shaped arc-shaped steel formwork and the P3015 shaped arc-shaped steel formwork are fixed to the formwork supporting system through the supporting reinforcing adjusting bolts, and specific positions on the P3015 shaped arc-shaped steel formwork are provided with the exhaust holes. The turnover formwork is reasonable in structure and flexible to use, can guarantee that the shape and appearance smoothness of the arc-shaped concrete bottom plate of the tunnel can meet design requirements, compactness is achieved through vibrating, concrete construction quality is guaranteed, and construction efficiency is improved.
Description
Technical field:
The utility model belongs to Hydraulic and Hydro-Power Engineering field, relates in particular to the circular tunnel lower curved region lining construction in Hydraulic and Hydro-Power Engineering field, and mould is turned in the anti-arc exhaust of a kind of tunnel invert specifically.
Background technology:
At present, during the arc area lining construction of circular tunnel bottom, Hydraulic and Hydro-Power Engineering field, the integral mold plate system of the arcwall face base plate of tunnel bottom is difficult for firm, and Template Location difficulty is easily run mould when construction loads and is subjected to displacement and is out of shape, thereby whole arcwall face concrete floor build and the round and smooth degree of outward appearance wayward, construction is administered and is difficult to ensure, can cause the location of repeatedly repeating arcwall face base plate template system, has greatly increased the invalid engineering time, take a lot of work, time-consuming, cause long in time limit; And vibrate exhaust and circular arc region concrete interior construction quality of arcwall face concrete is also difficult to guarantee, is difficult for guaranteeing concrete density, thickness, planeness requirement.Therefore, cause tunnel concrete construction quality wayward, the invalid engineering time is long, and operating efficiency is not high, long in time limit, and workmanship and progress all can not meet the requirement of engineering.
Summary of the invention:
The technical problems to be solved in the utility model is to provide the anti-arc exhaust of a kind of tunnel invert and turns over mould, this turns over, and mode structure is reasonable, use is flexible, can guarantee that tunnel arcwall face concrete floor build and the round and smooth degree of outward appearance meet designing requirement, and can guarantee vibration compacting, the quality that has guaranteed concrete construction, has improved efficiency of construction.
To achieve these goals, the utility model adopts following technical scheme:
The utility model provides the anti-arc exhaust of a kind of tunnel invert to turn over mould, this turns over mould and comprises formwork bracing system, P1015 sizing arc-shaped steel template, P3015 sizing arc-shaped steel template, bracing reinforcement adjusting bolt, steam vent, formwork bracing system is arranged on tunnel arc area circular arc base plate, P1015 sizing arc-shaped steel template, P3015 sizing arc-shaped steel template are fixed on formwork bracing system by bracing reinforcement adjusting bolt, and in P3015 sizing arc-shaped steel template, ad-hoc location arranges steam vent.
Further, the line of the plumb line in the tunnel section center of circle and the center of circle and not formwork erection zone boundary forms α angle, α angle is 16.5 °, in 2 each β angular regions of both sides, α angle, adopt P1015 sizing arc-shaped steel template and P3015 sizing arc-shaped steel template to be fixed on formwork bracing system and carry out formwork erection, β angle is 33.5 °.P1015 sizing arc-shaped steel template and P3015 sizing arc-shaped steel template adopt φ 12 100cm * 75cm lacing wire to coordinate butterfly card to reinforce.
Compared with prior art, the beneficial effect the utlity model has is:
1, the concrete lining cutting angle of this utility model tunnel arc area circular arc base plate is 100 °, and formwork erection not in the 2 α angular regions of middle part is formwork erection region not, and 2 α angles are 33 °, difference formwork erection in the each side β angular region at 2 α angles, for there being mould region, β angle is 33.5 °, because the template to both sides is respectively fixed, the accurate location that is easy to realize whole template system is with firm, reduce displacement and distortion that while loading, race is molded as, thereby increased arcwall face base plate build controllability, can guarantee the concrete build of curved surface and curved surface Surface Quality of Concrete, make template build meet the requirement of design build, and template is quick detachable, saved a large amount of invalid engineering times, the tunnel construction duration can effectively be shortened, greatly improve engineering construction speed, reduce engineering cost, be applicable to very much concrete surface to require strict tunnel lining.
2, two of about the utility model have each wide 439cm of mould region template,, long 900cm, the not wide 432cm in formwork erection region, long 900cm, working space is large, can carry out generous amount, large area concrete is built, speed of perfusion is fast.
3, template of the present utility model adopts steel form, and template surface is smooth, and piece is tight, and template surface quality is good, and concrete surface is smooth, and paste effect is good, without aggregate, exposes; And ad-hoc location has been set up steam vent in P3015 sizing arc-shaped steel template, thereby the arcwall face concrete problems such as exhaust and circular arc region concrete interior construction quality of vibrating have been solved, bubble, the bubble of concrete surface have been solved, the defects such as pitted skin, concrete is without honeycomb, spot, faulting of slab ends phenomenon, and smooth surface, smooth, attractive in appearance has been eliminated arch air bubble problem at the bottom of traditional full section template effectively, improve concrete inherence, position, arch, the end and outward appearance Forming Quality, effectively guaranteed workmanship.
4, this turns over mould component and all adopts GB materials processing, and each parts are processed at any time, assembling at any time, and easy accessibility, and rational in infrastructure, reliable, operation is controlled simple, and cost is low, and maintenance and repair is easy, and maintenance cost is low.
Accompanying drawing explanation:
Fig. 1 is the utility model front view;
Fig. 2 is the utility model top view.
The specific embodiment:
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
In conjunction with Fig. 1-Fig. 2, the utility model provides the anti-arc exhaust of a kind of tunnel invert to turn over mould, is mainly used in circular tunnel lower curved region, Hydraulic and Hydro-Power Engineering field lining construction.This exhaust turn over mould by formwork bracing system 1, P1015 sizing arc-shaped steel template 2, P3015 sizing arc-shaped steel template 3, bracing reinforcement adjusting bolt 4, steam vent 5, hoop template fixedly encloses Eurya plant 14 and longitudinal template is fixedly enclosed the personalized template system that Eurya plant 15 forms.Formwork bracing system 1 is arranged on circular arc base plate 6, formwork bracing system 1 is comprised of upper and lower double-layer structure reinforcing bar and bracing reinforcement reinforcing bar 12, upper and lower double-layer structure reinforcing bar connects to form an integral body by bracing reinforcement reinforcing bar 12, each is comprised of upper and lower double-layer structure reinforcing bar hoop structure reinforcing bars 10 and vertical structure reinforcing bar 11, bracing reinforcement reinforcing bar 12 adopts φ 16 reinforcing bars, circumferential distance 100cm, longitudinal pitch 75cm.Hoop template fixedly encloses Eurya plant 14 and longitudinal template is fixedly enclosed Eurya plant 15 employing φ 48 reinforcing bars.
The utility model tunnel arc area circular arc base plate 6 subsequent corrosion are 750cm, it is Tunnel Design radius, the concrete lining cutting angle of circular arc base plate 6 is 100 °, formwork erection not in the 2 α angular regions of middle part, this scope is formwork erection region not, α angle is the plumb line in the tunnel section center of circle and the center of circle and angle that line of formwork erection zone boundary does not form, and α angle is 16.5 °, and this region curvature discrepancy in elevation is 30cm; In 2 each β angular regions of both sides, α angle, adopt P1015 sizing arc-shaped steel template 2 and P3015 sizing arc-shaped steel template 3 to be layered on formwork bracing system 1 and carry out formwork erection, this scope is for there being mould region, and β angle is 33.5 °; Because the template to both sides is respectively fixed, be easy to realize the accurate location of whole template system and firm, reduce while loading and run displacement and the distortion being molded as, increased arcwall face base plate build controllability.When P1015 sizing arc-shaped steel template 2 and P3015 sizing arc-shaped steel template 3 formwork erection, adopt φ 12@100cm * 75cm lacing wires 7 to coordinate butterfly card 8 to reinforce, support with reinforcing position employing joint peace bolt and regulate 9 to be connected with formwork bracing system 1, adjusting joint is pacified bolt adjusting 9 and then is controlled arcwall face base plate build.In P3015 sizing arc-shaped steel template 3, ad-hoc location has been set up steam vent 5, thereby has solved the arcwall face concrete problems such as exhaust and circular arc region concrete interior construction quality of vibrating.
Left and right of the present utility model is comprised of P1015 sizing arc-shaped steel template 2 and P3015 sizing arc-shaped steel template 3 respectively mould region, P1015 sizing arc-shaped steel template 2 and P3015 sizing arc-shaped steel template 3 consist of some monolithic arc set shaped steel formworks respectively, monolithic arc set shaped steel formwork width 45cm, length 150cm, thickness 3mm, left and right have each wide 439cm of mould region template,, long 900cm, the not wide 432cm in formwork erection region, long 900cm, working space is large, can carry out generous amount, large area concrete is built, speed of perfusion is fast.
The utility model component all adopt GB materials processing, and each parts are processed at any time, at any time assembling.
This turns over mould when the lining construction of circular tunnel lower curved region concrete use, according to design, need to measure setting-out, look for arcwall face base plate build control point, then at circular tunnel lower curved region division joint bar 13, joint bar 13 adopts φ 25 reinforcing bars, enters rock 50cm, exposes 30cm, circumferential distance 200cm, longitudinal pitch 200cm.According to the arcwall face base plate build control point of measuring, on arc area circular arc base plate 6, according to arcwall face base plate Dam Configuration Design radian, welding formwork bracing system 1 and reinforcement of weld adjusting joint peace bolt adjusting 9 are installed, then in both sides, 33 °, 1 middle part of formwork bracing system, each installs P1015 sizing arc-shaped steel template 2 and P3015 sizing arc-shaped steel template 3 within the scope of 33.5 °, P1015 sizing arc-shaped steel template 2 is identical with tunnel lining surface radian with the radian of P3015 sizing arc-shaped steel template 3, P3015 sizing arc-shaped steel template 3 is the specific template with steam vent 5, its steam vent 5 reserves by formulating position, finally measure and check and repetition measurement template build, the adjusting joint peace bolt that adjusting template lower support is reinforced regulates 9, realize formwork integral firm, while avoiding loading, be subjected to displacement and be out of shape, make template build meet the requirement of tunnel arcwall face concrete floor Dam Configuration Design.And then carry out cast-in-place concrete, two-layer blanking is divided at middle part not formwork erection region, first floor by middle part blanking to position, 20cm left and right, steel mesh reinforcement below, then the second layer is by the blanking suitable for reading of both sides curved sidewall, by vibrating, pushing, catch up with and expect to central region, again by central region surface layer secondary vibration, make concrete even, closely knit, again with the arc vibration board concrete surface of vibrating, then with floating rule, along arc shaving rail, by exceeding the concrete that designs build, strike off, finally make concrete aggregate build to design altitude position, then by manually carrying out just smearing, essence is smeared and the operation such as press polish; Middle part not formwork erection region is carried out You Mo region, both sides and is built after having built, and strengthen vibrating by steam vent, according to storehouse face writing time, within 3 to 4 hours after having vibrated in this region, turn over for the first time mould, wipe one's face, the concrete time removes rear concrete initial set situation according to storehouse end template and determines, the concrete that is end, storehouse concrete and arc You Mo district is same base floor, thereby definite concrete form removal is wiped one's face the time; Finally carry out form removal, personnel stand in the hoop template of first stripping top on the sample frame of wiping one's face and fixedly enclose Eurya plant 14, remove again longitudinal template and fixedly enclose Eurya plant 15, then from arcwall face below, start to remove successively monolithic arc set shaped steel formwork, after stripping, carry out again the face work in this region.Just smear on curved plate concrete surface, essence is smeared all carries out with the procedures such as press polish on frame is wiped one's face in sizing, reduces while wiping one's face manually on the destruction on concrete surface and impact, and sizing is wiped one's face the trapezoidal running-board bracket of frame by two ends, storehouse as support.
Claims (5)
1. mould is turned in the anti-arc exhaust of tunnel invert, it is characterized in that: this turns over mould and is comprised of formwork bracing system (1), P1015 sizing arc-shaped steel template (2), P3015 sizing arc-shaped steel template (3), bracing reinforcement adjusting bolt (4), steam vent (5), formwork bracing system (1) is arranged on tunnel arc area circular arc base plate (6), P1015 sizing arc-shaped steel template (2), P3015 sizing arc-shaped steel template (3) are fixed on formwork bracing system (1) above by bracing reinforcement adjusting bolt (4), and the upper ad-hoc location of P3015 sizing arc-shaped steel template (3) arranges steam vent (5).
2. mould is turned in the anti-arc exhaust of tunnel invert according to claim 1, it is characterized in that: described formwork bracing system (1) is comprised of upper and lower double-layer structure reinforcing bar and bracing reinforcement reinforcing bar (12), upper and lower double-layer structure reinforcing bar connects to form an integral body by bracing reinforcement reinforcing bar (12), each is comprised of upper and lower double-layer structure reinforcing bar hoop structure reinforcing bars (10) and vertical structure reinforcing bar (11), bracing reinforcement reinforcing bar (12) adopts φ 16 reinforcing bars, circumferential distance 100cm, longitudinal pitch 75cm.
3. mould is turned in the anti-arc exhaust of tunnel invert according to claim 1, it is characterized in that: the line of the plumb line in this tunnel section center of circle and the center of circle and not formwork erection zone boundary forms α angle, α angle is 16.5 °, in 2 each β angular regions of both sides, α angle, adopt P1015 sizing arc-shaped steel template (2) and P3015 sizing arc-shaped steel template (3) to be layered on formwork bracing system (1) and carry out formwork erection, β angle is 33.5 °.
4. mould is turned in the anti-arc exhaust of tunnel invert according to claim 1, it is characterized in that: described P1015 sizing arc-shaped steel template (2) and P3015 sizing arc-shaped steel template (3) adopt φ 12@100cm * 75cm lacing wires (7) to coordinate butterfly card (8) to reinforce.
5. mould is turned in the anti-arc exhaust of tunnel invert according to claim 1, it is characterized in that: described P1015 sizing arc-shaped steel template (2) and P3015 sizing arc-shaped steel template (3) consist of some monolithic arc set shaped steel formworks respectively, monolithic arc set shaped steel formwork width 45cm, length 150cm, thickness 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420301227.5U CN203890982U (en) | 2014-06-07 | 2014-06-07 | Tunnel inverted arch inverted-arc exhaust turnover formwork |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420301227.5U CN203890982U (en) | 2014-06-07 | 2014-06-07 | Tunnel inverted arch inverted-arc exhaust turnover formwork |
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| CN203890982U true CN203890982U (en) | 2014-10-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107956496A (en) * | 2017-12-08 | 2018-04-24 | 中国水利水电科学研究院 | Soap-free emulsion polymeization ring anchor pre-stress lining structure anchorage groove concrete backfill device and construction method |
| CN108360475A (en) * | 2018-01-30 | 2018-08-03 | 中国葛洲坝集团第工程有限公司 | Navigation ＆ Hydropower Junction Engineering bulb-type tubular hydro set runner body control device and method |
-
2014
- 2014-06-07 CN CN201420301227.5U patent/CN203890982U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107956496A (en) * | 2017-12-08 | 2018-04-24 | 中国水利水电科学研究院 | Soap-free emulsion polymeization ring anchor pre-stress lining structure anchorage groove concrete backfill device and construction method |
| CN108360475A (en) * | 2018-01-30 | 2018-08-03 | 中国葛洲坝集团第工程有限公司 | Navigation ＆ Hydropower Junction Engineering bulb-type tubular hydro set runner body control device and method |
| CN108360475B (en) * | 2018-01-30 | 2023-12-01 | 中国葛洲坝集团第一工程有限公司 | Flow passage shape control device and method for air-armature button through-flow unit |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |