CN101294387B - Transportation method for roller compacted concrete at glacis landform - Google Patents
Transportation method for roller compacted concrete at glacis landform Download PDFInfo
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- CN101294387B CN101294387B CN2008100480997A CN200810048099A CN101294387B CN 101294387 B CN101294387 B CN 101294387B CN 2008100480997 A CN2008100480997 A CN 2008100480997A CN 200810048099 A CN200810048099 A CN 200810048099A CN 101294387 B CN101294387 B CN 101294387B
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Abstract
The invention provides a method for conveying roller compacted concrete in various topographies with mild slopes, and the method includes the following steps: according to the actual topography, parameters from the dam surface to the dam bottom such as the horizontal section length of the working-face, the height difference of the mild slope, the angle of the slope surface, the characteristics of the rock surface, etc. are comprehensively mastered; when the blanking angle is smaller than 42 DEG, concrete is conveyed by adopting the combination of a belt conveyer and a vacuum delivery conduit. According to the actual topography on site, the concrete belt conveyer, the vacuum delivery conduit and a hose pipe are effectively combined to form a complete conveying system, the belt conveyer is connected with the vacuum delivery conduit through a collecting hopper, the vacuum delivery conduit is connected with the hose pipe through a collecting hopper, and upright columns, horses and elbows are used for connecting and fixing the belt conveyer, the vacuum delivery conduit, the hose pipe and the collecting hoppers. The invention effectively integrates several economical and practical conveying means according to the principles of adaptation to local conditions, thereby achieving the purpose of conveying the concrete and minimizing the cost on the premise that the concrete conveying quality is ensured.
Description
Technical field
The present invention relates to a kind of concrete conveying process, relate in particular to the transportation method for roller compacted concrete of a kind of gentle slope landform in the Hydraulic and Hydro-Power Engineering.
Background technology
The conveying of roller compacted concrete in the water power industry, except that traditional automobile conveying, cable machine or tower crane cooperate cage conveying, the conveying of Rotec conveyor, also has a kind of advanced easy concrete conveying technology-vacuum chute conveying technology, but it is exactly that it carries slide down to be not suitable for the concrete conveying of gentle slope landform work items greater than certain angle that this technology has a shortcoming.
Summary of the invention
The object of the present invention is to provide the transportation method for roller compacted concrete of a kind of gentle slope landform, it has overcome the shortcoming of conventional method, by adding belt delivering concrete technology, can be according to the technical characteristic and the conveying requirement of vacuum chute, rationally lay the vacuum chuting system, lay one or some belt concrete conveying equipments then as required, connect material-gathering device and vacuum chute, a kind of simple, cost is low, efficient is high concrete conveying process is provided.
The object of the present invention is achieved like this: the transportation method for roller compacted concrete of a kind of gentle slope landform, and it may further comprise the steps:
A, landform field survey are measured
According to actual landform, grasp the length of dam facing lift surface horizontal segment at the bottom of the dam, the discrepancy in elevation of gentle slope section, parameters such as domatic angle and scar characteristic comprehensively;
B, formulation concrete conveying equipment are laid scheme
When blanking angle during less than 42 °, concrete adopts the conveyor conveying that combines with the vacuum chute;
C, scheme implementation
Actual landform according to the scene, concrete conveyor, vacuum chute and elephant trunk are made up effectively, form a complete induction system, use the aggregate bin transition between conveyor and vacuum chute, vacuum chute and the elephant trunk, they are connected and fixed with column, scaffold and elbow.
The present invention is by adding the transmission and concrete transmission conveyor, and the blanking angle that makes the vacuum chute is greater than 42 °, and satisfy that automobile is subjected to material space in the concrete construction storehouse, has solved the difficult problem that the slow object of construction production of the gradient can not be used chute conveying concrete effectively.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is an embodiment of the invention schematic diagram.
Among the figure: 1, material-gathering device, 2, the transmission and concrete transmission conveyor, 3, elephant trunk, 4, change hopper, 5, the vacuum chute, 6, support column or pin hand support, 7, the jumper elbow.
The specific embodiment
As shown in Figure 1, the transportation method for roller compacted concrete of a kind of gentle slope landform is formed the transmission and concrete transmission system by following equipment: material-gathering device 1, one or some transmission and concrete transmission conveyors 2, elephant trunks 3, change hopper 4, vacuum chute 5, support column or pin hand support 6, jumper elbow 7.(contain vacuum chute 5 in former vacuum chute transmission and concrete transmission system, material-gathering device 1, support column or pin hand support 6, jumper elbow 7) the basis on, by adding transmission and concrete transmission conveyor 2, elephant trunk 3, changeing hopper 4, the vacuum chute can be laid according to itself technical characterstic and construction requirement, make and slip the gradient and build in the storehouse automobile space that connects material and to satisfy the requirement that vacuum chute mode is carried out the concrete conveying concrete under.
The concrete means of transportation is as follows: concrete transportation dump truck or truck with grout mixer and water tank or other haulage device → material-gathering device 1 → transmission and concrete transmission conveyors 2, change the material automobile in transmission and concrete transmission conveyor 2 (can connect material-gathering device 1 according to reality and lay or some) → elephant trunk 3 (elephant trunk 3 only for being connected conveyor 2 and chute 5 excessive facilities, can be accepted or rejected according to concrete linking situation) → commentaries on classics hopper 4 → vacuum chute 5 → jumper elbow 7 → concrete pouring bin with vacuum chute 5 positions.
Material-gathering device 1 is a kind ofly can satisfy dump truck or truck-transit mixer or other concrete transporting equipments concrete container of removing stage makeup and costume, and container is done by concrete or steel, and the bottom can be with arc door or dispenser or feeding belt with the control blanking velocity.The 2 main effects of transmission and concrete transmission conveyor connect connecting material a little of material-gathering device 1 emptying point and vacuum chute 5, solve concrete transportation therebetween, so that vacuum chute 5 can be laid according to the mode of the best.Change hopper 4 and be to connect material and be connected small container with vacuum chute 5 tops, will be from the smooth-going importing vacuum of the concrete chute 5 of transmission and concrete transmission conveyor 2 or elephant trunk 3, and can avoid delivering concrete to spill.Jumper elbow 7 is bend pipes of similar jumper shape, and can slowing down down, the slide concrete impacts.
Concrete implementation step is as follows:
1, judges vacuum chute delivering concrete feasibility according to concrete object of construction production
Build requirement according to concrete Hydraulic and Hydro-Power Engineering project RCCD (Roller Compacted Concrete Dam), research excavation topography and geomorphology, tentatively draft several vacuum chute 5 installation positions that satisfy grinding concrete construction, do section along the relevant axis of laying, analyze and respectively lay axis dam slope parameter, if the section dam slope is more slow, each arranges that all can not satisfy vacuum chute 5 lays requirement, considers to add transmission and concrete transmission conveyor 2 and joins vacuum chute 5 installation positions.
2, formulate the concrete belt and add vacuum chute conveying laying scheme
Carry requirement and dam abutment topography and geomorphology situation according to concrete hydroelectric project grinding concrete construction project, on above-mentioned steps 1 analysis foundation, determine the installation position of best material-gathering device 1 and vacuum chute 5, make it satisfy that corresponding engineering roller compacted concrete connects material, the blowing needs, be convenient to transmission and concrete transmission conveyor 2 simultaneously as far as possible above-mentioned 2 corresponding emptying points and material feeding point are connected its technical feasibility of analysis-by-synthesis and economic rationality.By adding transmission and concrete transmission conveyor 2, the blanking angle that makes the vacuum chute is greater than 42 °, and satisfies that automobile is subjected to material space in the concrete construction storehouse.
3, the design processing and fabricating is on-the-spot installs
According to above-mentioned steps 2 laying schemes, carry out system equipment design, processing and fabricating, and arrange and organize on-the-spot Installation and Debugging according to construction speed.By the equipment combination, give full play to each equipment performance, it is combined into organic whole satisfies gentle slope dam abutment roller compacted concrete conveying requirement.
Claims (1)
1. the transportation method for roller compacted concrete of a gentle slope landform is characterized in that it may further comprise the steps:
A, landform field survey are measured
According to actual landform, grasp the length of dam facing lift surface horizontal segment at the bottom of the dam, the discrepancy in elevation of gentle slope section, domatic angle and scar characterisitic parameter comprehensively;
B, formulation concrete conveying equipment are laid scheme
When blanking angle during less than 42 °, concrete adopts the conveyor conveying that combines with the vacuum chute,
By adding the transmission and concrete transmission conveyor, the blanking angle that makes the vacuum chute is greater than 42 °;
C, scheme implementation
Actual landform according to the scene, concrete conveyor, vacuum chute and elephant trunk are made up effectively, form a complete induction system, use the aggregate bin transition between conveyor and vacuum chute, vacuum chute and the elephant trunk, they are connected and fixed with column, scaffold and elbow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100480997A CN101294387B (en) | 2008-06-17 | 2008-06-17 | Transportation method for roller compacted concrete at glacis landform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100480997A CN101294387B (en) | 2008-06-17 | 2008-06-17 | Transportation method for roller compacted concrete at glacis landform |
Publications (2)
| Publication Number | Publication Date |
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| CN101294387A CN101294387A (en) | 2008-10-29 |
| CN101294387B true CN101294387B (en) | 2011-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008100480997A Expired - Fee Related CN101294387B (en) | 2008-06-17 | 2008-06-17 | Transportation method for roller compacted concrete at glacis landform |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953193A (en) * | 2014-04-16 | 2014-07-30 | 中国十九冶集团有限公司 | Construction method for long-distance gentle-incline concrete conveying |
| WO2015158072A1 (en) * | 2014-04-16 | 2015-10-22 | 黄欣 | Long-distance gentle-slope concrete conveying pipeline |
| WO2015158077A1 (en) * | 2014-04-16 | 2015-10-22 | 黄欣 | Vertical fender apparatus for use in long-distance gentle-slope concrete conveying |
| WO2015158073A1 (en) * | 2014-04-15 | 2015-10-22 | 黄欣 | Long-distance gentle-slope concrete conveying equipment |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101812845B (en) * | 2009-02-25 | 2011-07-20 | 中国葛洲坝集团股份有限公司 | Vertical concrete conveying system of small and medium hydropower station at high steep slopes |
| CN101694129B (en) * | 2009-10-16 | 2011-04-06 | 中国葛洲坝集团股份有限公司 | Method for conveying concrete in narrow space and device thereof |
| CN103899091B (en) * | 2014-04-15 | 2016-04-06 | 中国十九冶集团有限公司 | A kind of long distance gentle incline appts. for transferring ready-mixed concrete |
| CN104032960B (en) * | 2014-06-20 | 2016-08-24 | 中建五局第三建设有限公司 | A kind of suspension type concreting chute device |
| CN204298827U (en) * | 2014-11-18 | 2015-04-29 | 中国建筑第八工程局有限公司 | Foundation ditch concreting combination string tubular structure |
| CN110834861B (en) * | 2019-09-29 | 2021-10-01 | 中国一冶集团有限公司 | Chute slope alignment method |
| CN112921975A (en) * | 2021-02-05 | 2021-06-08 | 中国水利水电第五工程局有限公司 | Device for vertically sliding and conveying concrete |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015158073A1 (en) * | 2014-04-15 | 2015-10-22 | 黄欣 | Long-distance gentle-slope concrete conveying equipment |
| CN103953193A (en) * | 2014-04-16 | 2014-07-30 | 中国十九冶集团有限公司 | Construction method for long-distance gentle-incline concrete conveying |
| WO2015158076A1 (en) * | 2014-04-16 | 2015-10-22 | 黄欣 | Construction method for use in long-distance gentle-slope concrete conveying |
| WO2015158072A1 (en) * | 2014-04-16 | 2015-10-22 | 黄欣 | Long-distance gentle-slope concrete conveying pipeline |
| WO2015158077A1 (en) * | 2014-04-16 | 2015-10-22 | 黄欣 | Vertical fender apparatus for use in long-distance gentle-slope concrete conveying |
Also Published As
| Publication number | Publication date |
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| CN101294387A (en) | 2008-10-29 |
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