CN204941567U - A kind of structure accelerating construction of tunnel vault pouring concrete speed - Google Patents
A kind of structure accelerating construction of tunnel vault pouring concrete speed Download PDFInfo
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- CN204941567U CN204941567U CN201520607564.1U CN201520607564U CN204941567U CN 204941567 U CN204941567 U CN 204941567U CN 201520607564 U CN201520607564 U CN 201520607564U CN 204941567 U CN204941567 U CN 204941567U
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Abstract
The utility model relates to a kind of structure accelerating construction of tunnel vault pouring concrete speed, comprise template, union and valve, be shaped with hole in the middle part of described template, this hole place is fixedly mounted with union downwards, the horizontal valve that is slidably installed of template upper surface of corresponding described hole.The utility model adopts the union after improvement and design to carry out arch concreting, greatly improves work efficiency, and work efficiency improves more than ten doubly.The utility model distributes human resources greatly, and workman's operation intensity is low, and work efficiency is high, is easy to safety management.Pumping line connecting port place spillage is few, closed place also without obvious spillage phenomenon, dismounting carrier pipe flexibly, convenient, save time.Simultaneously because vault concrete is pressure injection, there will not be empty top on-the-spot, quality and safety problem can not be produced, given full play to that pumping concrete construction speed is fast, quality is high, alleviate the advantage of labor strength.
Description
Technical field
The utility model belongs to tunnel vault pouring concrete technical field, especially at building materials mine and non-metal mine tunnel or tunnel secondary lining, and a kind of structure accelerating construction of tunnel vault pouring concrete speed under adopting combined steel plate to spell mould condition.
Background technology
Current, in building materials mine or non-metal mine industry, consider the factors such as cost investment, integral mold plate not yet large scale investment uses, and tunnel or tunnel secondary lining mainly adopt combined steel formwork to spell mould.In use pumping of concrete process, side wall concrete can have been built smoothly, but when building vault, pumping directly cannot enter mould, need adopt and manually enter modeling method, namely build concrete with spade one spade one spade toward arch crown part, workman's operation intensity is large, and work efficiency is extremely low, concrete waste is large, build the vault that a 6.0m is long, need more than 20 people's work about 12 hours, had a strong impact on the progress of engineering.And easily occur empty head space side phenomenon at arch crown part, manually enter die worker's effect extremely low, the concreting time is long, and concrete workability is deteriorated, and exacerbates the existing sky top phenomenon gone out because of vault concrete flowability difference in addition.Sometimes because of concrete poor fluidity, there is the violation way adding water to improve its mobility in field operation personnel, this construction method, along with the activity duration increases, concrete performance (comprising the performance such as workability, intensity) all can be affected, even can the phenomenon of generating pump pipe plug pipe.The empty head space that arch crown part occurs simultaneously helps phenomenon, adds the difficulty of secondary grouting process.
Particularly occur needing repairing in operation belt porch tunnel in building materials mine, or construction project needs to hand in advance peace to occur feeding intake and produce when serving as a contrast cross-operation with two, vault coagulation earth is built employing and is manually entered mould and cannot construct.
To sum up, there is larger quality and potential safety hazard in traditional concrete casting building technology, and takies human resources, and work efficiency is low waits deficiency.
Find following disclosed patent document through retrieval, concrete disclosure is as follows:
Patent document: a kind of Middle Wall of Multi-Arch Highway Tunnel vault concreting method (notification number CN103835728A), comprise the following steps: the making of a steel form and setting, b lays concrete pump line, and c builds middle and lower part concrete and middle and upper part concrete, and arch concrete is built in d supercharging.
Find through contrast, above-mentioned documents and present patent application have relatively big difference in technical scheme.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of structure accelerating construction of tunnel vault pouring concrete speed is provided, vault concreting speed is fast, construction quality is high to reach, alleviate the object of labor strength and quickening duration progress.
Scheme of the present utility model is achieved in that
Accelerate a structure for construction of tunnel vault pouring concrete speed, comprise template, union and valve, be shaped with hole in the middle part of described template, this hole place is fixedly mounted with union downwards, the horizontal valve that is slidably installed of template upper surface of corresponding described hole.
And described valve is two of left and right symmetry.
And described template thickness is the steel plate of 10mm, described valve thickness is the steel plate of 6mm.
And the soffit symmetry of described valve is fixedly mounted with handle, to the template of handle being shaped with rectangle chute.
And, tilt to be fixedly mounted with multiple reinforcing rib between described union surrounding side and template.
Accelerate a construction method for construction of tunnel vault pouring concrete speed, step is as follows:
Step one, installation both sides, tunnel abutment wall and vault template, have at least a model sheetinstallat to have union and valve in vault template;
Step 2, both sides abutment wall symmetry are built;
Step 3, pump line terminal and union to be plugged into, last is installed across vault template and shutoff;
Step 4, vault concreting;
Step 5, built rear vibration compacting, valve-off also dismantles pump line;
Step 6, cleaning associated components, give over to and use next time.
And, in described step one, when once construct longer work cycle time, polylith vault template is all with union and valve;
Pump line terminal and first union start vault concreting after plugging into, and valve-off after vibration compacting also tears pipe open;
Then start vault concreting after pump line terminal and second union being plugged into, valve-off after vibration compacting also tears pipe open;
By that analogy, pump line terminal and last union are plugged into and are started vault concreting, and last is across vault model sheetinstallat and shutoff;
The same step 4 of all the other construction methods, step 5, step 6.
Advantage of the present utility model and good effect are:
The utility model adopts the union after improvement and design to carry out arch concreting, greatly improve work efficiency, need more than 20 people's work about 12 hours from original 6.0m arch of building, become and only need 6-8 people's operation now, completed less than one hour, work efficiency improves more than ten doubly.Simultaneously, in construction after this, by increasing the steel form of a band union, 15.0m mono-circulation (note: work cycle length should not after length will be adjusted to by 6.0m secondary lining work cycle, need longitudinal rational position arrange settlement joint and carry out the process of constuction joint in tunnel), can complete in 3h that whole vault is concrete builds.Distribute human resources greatly, workman's operation intensity is low, and work efficiency is high, is easy to safety management.Pumping line connecting port place spillage is few, closed place also without obvious spillage phenomenon, substantially without waste, dismounting carrier pipe flexibly, convenient, save time.Simultaneously because vault concrete is pressure injection, there will not be empty top on-the-spot, quality and safety problem can not be produced, given full play to that pumping concrete construction speed is fast, quality is high, alleviate the advantage of labor strength.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model;
Fig. 2 is that the A-A of Fig. 1 is to sectional view;
Fig. 3 is the state diagram of the utility model valve open;
Fig. 4 is the utility model 6m work cycle arch concreting schematic diagram;
Fig. 5 is the utility model 15m work cycle arch concreting schematic diagram;
Fig. 6 is construction process figure of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, also by specific embodiment, the utility model is described in further detail.
A kind of structure accelerating construction of tunnel vault pouring concrete speed, as shown in Figure 1 and Figure 2, comprise template 1, union 3 and valve 2, in the middle part of described template, be shaped with φ 130mm hole, this hole place is fixedly mounted with union downwards, the horizontal valve that is slidably installed of template upper surface of corresponding described hole.Described template is one piece of thickness is the steel plate of 10mm, described valve is one piece of thickness is the steel plate of 6mm, and this valve is two pieces of left and right symmetry, conveniently mobile valve, the soffit symmetry of this valve is fixedly mounted with handle 6, to the template of handle being shaped with rectangle chute 4.
In the present embodiment, reinforce with φ 18mm reinforcing rib 5 between described union surrounding side and template, ensure that the firmness of union.
Application example:
China Resources cement (Midu) Co., Ltd second phase cement producing line limestone conveying K0+160 ~ K0+899m section construction of tunnel Second Lining Construction condition is that belt porch takies the confined space, and execution conditions limit, and belt feeds intake and serves as a contrast with two cross-operation of constructing.This project Second Lining Construction adopts this transformation template to construct,
Once to construct 6.0m (namely four across arch mould) secondary lining, as shown in Figure 4, only sidewall template all need be installed, arch model sheetinstallat three across (i.e. 4.5m), the steel shutterings with union be contained in second across, after treating both sides abutment wall concreting, the transformation steel form of the terminal of pump line with band union can be plugged into, carry out simultaneously last across, namely the 4th across the installation of arch template, and the sizing plug made in advance is carried out front end shutoff process.After all preparation completes, can carry out concreting, make concrete under road gradient in highway tunnel condition, first built across arch bottom one, in figure, the direction of arrow is concrete flow direction, and sequence of flow is first left and then right; After under the pressure effect of the pump housing, by bottom one across arch concrete preliminary consolidation, concrete is pressed into top two across in the template of arch, built, after vibration compacting, valve-off tears pipe open, and cleans in time associated components simultaneously.
Accelerate a construction method for construction of tunnel vault pouring concrete speed, step is as follows:
Step one, installation both sides, tunnel abutment wall and vault template, have at least a model sheetinstallat to have union and valve in vault template;
Step 2, both sides abutment wall symmetry are built;
Step 3, pump line terminal and union to be plugged into, last is installed across vault template and shutoff;
Step 4, vault concreting;
Step 4, built rear vibration compacting, valve-off also dismantles pump line;
Step 5, cleaning associated components, give over to and use next time.
When shorter work cycle of once constructing, such as 6m secondary lining, can be positioned at by the template with union in second across being centre position;
In described step one, when once construct longer work cycle time, multiple vault template is with union;
Pump line terminal and first union start vault concreting after plugging into, and valve-off after vibration compacting also tears pipe open;
Then start vault concreting after pump line terminal and second union being plugged into, valve-off after vibration compacting also tears pipe open;
By that analogy, pump line terminal and last union are plugged into and are started vault concreting, and last is across vault model sheetinstallat and shutoff;
The same step 4 of all the other construction methods, step 5, step 6.
It is emphasized that; embodiment described in the utility model is illustrative; instead of it is determinate; therefore the utility model comprises the embodiment be not limited to described in detailed description of the invention; every other embodiments drawn according to the technical solution of the utility model by those skilled in the art, belong to the scope of the utility model protection equally.
Claims (5)
1. accelerate the structure of construction of tunnel vault pouring concrete speed for one kind, it is characterized in that: comprise template, union and valve, be shaped with hole in the middle part of described template, this hole place is fixedly mounted with union downwards, the horizontal valve that is slidably installed of template upper surface of corresponding described hole.
2. the structure of quickening construction of tunnel vault pouring concrete speed according to claim 1, is characterized in that: described valve is two of left and right symmetry.
3. the structure of quickening construction of tunnel vault pouring concrete speed according to claim 1 and 2, it is characterized in that: described template thickness is the steel plate of 10mm, described valve thickness is the steel plate of 6mm.
4. the structure of quickening construction of tunnel vault pouring concrete speed according to claim 1 and 2, is characterized in that: the soffit symmetry of described valve is fixedly mounted with handle, to the template of handle being shaped with rectangle chute.
5. the structure of quickening construction of tunnel vault pouring concrete speed according to claim 1 and 2, is characterized in that: tilt to be fixedly mounted with multiple reinforcing rib between described union surrounding side and template.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520607564.1U CN204941567U (en) | 2015-08-12 | 2015-08-12 | A kind of structure accelerating construction of tunnel vault pouring concrete speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520607564.1U CN204941567U (en) | 2015-08-12 | 2015-08-12 | A kind of structure accelerating construction of tunnel vault pouring concrete speed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204941567U true CN204941567U (en) | 2016-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520607564.1U Expired - Fee Related CN204941567U (en) | 2015-08-12 | 2015-08-12 | A kind of structure accelerating construction of tunnel vault pouring concrete speed |
Country Status (1)
| Country | Link |
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| CN (1) | CN204941567U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105041340A (en) * | 2015-08-12 | 2015-11-11 | 天津矿山工程有限公司 | Structure and construction method for increasing arch crown concrete pouring speed in tunnel engineering |
| CN108442938A (en) * | 2018-02-01 | 2018-08-24 | 中铁十二局集团有限公司 | A kind of two lining band of full hydraulic flat car is molded into pulp grinder structure and its grouting process |
-
2015
- 2015-08-12 CN CN201520607564.1U patent/CN204941567U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105041340A (en) * | 2015-08-12 | 2015-11-11 | 天津矿山工程有限公司 | Structure and construction method for increasing arch crown concrete pouring speed in tunnel engineering |
| CN108442938A (en) * | 2018-02-01 | 2018-08-24 | 中铁十二局集团有限公司 | A kind of two lining band of full hydraulic flat car is molded into pulp grinder structure and its grouting process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160106 Termination date: 20190812 |