CN101644040A - Flow guide and navigation pier structure and construction method thereof - Google Patents
Flow guide and navigation pier structure and construction method thereof Download PDFInfo
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- CN101644040A CN101644040A CN 200910101918 CN200910101918A CN101644040A CN 101644040 A CN101644040 A CN 101644040A CN 200910101918 CN200910101918 CN 200910101918 CN 200910101918 A CN200910101918 A CN 200910101918A CN 101644040 A CN101644040 A CN 101644040A
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Abstract
The invention relates to a flow guide and navigation pier structure and a construction method thereof, aiming at solving the technical problems that great backflow exists at an entrance area of a navigation channel of a navigation structure and construction period is unfavorably short in the low water season. The technical solution is as follows: a plurality of flow guide and navigation piers arearranged in a manner of following the water flow direction; a riverbed is divided with a dynamic water area and a static water area; the invention is characterized in that the flow guide and navigation piers take the trapezoid shapes when viewed from the top; square edges of the trapezoid shapes face the static water area beside the navigation channel; trapezoid-shaped frame case wall structures at the upper parts of the flow guide and navigation piers, concrete pile foundation wall structures at the lower parts thereof and concrete aprons which are arranged in the middle for purpose of transitional connection are connected into a whole. The flow guide and navigation pier structure and the construction method thereof are suitable for the water conservancy and hydropower engineering and thewater transportation engineering.
Description
Technical field
The present invention relates to a kind of water conservancy diversion navigation pier structure and job practices thereof.Be applicable to Hydraulic and Hydro-Power Engineering, water transport traffic engineering.
Background technology
In the design in navigation structure, reasonably determine the arrangement and the correct guide work thing structural shape of selecting of approach channel, avoiding occurring bad fluidised form in the approach channel, make the steady lockage of fleet's (oceangoing ship) and berth, is an important technology index weighing the ship lock safe operation.
To the approach channel layout requirement, China has accumulated abundant design experiences in the Changjiang river and inland river ship lock engineering construction, ripe operational management experience is also arranged according to " ship lock design specifications ".But for the large-scale ship lock in the mountain stream key water control project, the layout of approach channel and related knowledge question of water conservancy, go back imperfection in theory, need to study the layout of guide wall and the hydraulics in Kou Men district by hydraulic model test, thereby check is under the power station release floodwatering flow influences, the service condition of fleet's (oceangoing ship) in approach channel and the velocity flow pattern in Kou Men district.Also have the excessive problem of channel downstream Kou Men district backflow simultaneously, some guide work thing riverbed of living in covering layer is deep, huge, the constructional difficulties of structure.
Summary of the invention
The technical problem to be solved in the present invention is: a kind of water conservancy diversion navigation pier structure and job practices thereof are provided, are intended to solve door district, pilotage road junction, navigation structure and reflux excessive and technical problem such as the construction period in dry season is too short.
The technical solution adopted in the present invention is: water conservancy diversion navigation pier, this water conservancy diversion navigation pier has several, the Parallel to the flow direction setting also makes the riverbed be divided into moving aqua region and hydrostatic zone, it is characterized in that: described water conservancy diversion navigation pier is overlooked direction and is trapezoidal, its right-angle side is towards the hydrostatic zone of navigation channel side, and water conservancy diversion navigation pier connects into an overall structure by the ladder type panel wall structure on top, the concrete pipe base wall construction and the middle concrete apron that plays the transition interconnect function of bottom.
Described ladder type panel wall is that cross section is trapezoidal whole reinforced concrete box structure, the inner rock ballast of filling of panel wall, and panel wall top envelope has cover plate, and the panel wall sidewall is provided with gutter.
Described concrete pile foundation wall is that the ascending steel concrete board wall of a group length constitutes, and the lower end of board wall stretches to basement rock and utilizes below the line.
Described concrete apron is a cap-like structure, and upper plane and ladder type panel wall are fixed, and the bottom apron is enclosed within concrete pile foundation wall outside and is connected by reinforcing bar.
To the original place upper thread that end in water conservancy diversion navigation pier cushion cap sideline, the shop cover concrete grid block at all moving aqua region.
Link by shackle between described each concrete grid block.
The job practices of water conservancy diversion navigation pier of the present invention may further comprise the steps:
1, building wide about 50m, side slope in dry season is 1: 1.3 trapezoidal interim construction dike, and the dike of temporarily constructing is vertical with water (flow) direction;
Churn drill machinery equipment is installed after 2, levee crown surfaces, and Churn drill pore-creating to basement rock utilizes below the line, the secondary hole of injection behind the first injection main aperture, and up to pore-forming, the engineering time, porthole all formed back employing slurry strengthened wall every the pore-creating of carrying out the concrete pile foundation wall;
3, adopt tower crane equipment to lay reinforcing cage, the concrete of after-pouring concrete pile foundation wall in place;
4, the concrete of formwork erection construction concrete apron, and be linked to be integral body with the concrete pile foundation wall;
5, formwork erection is built the concrete of ladder type panel wall, at panel wall sidewall reserved drainpipe, and backfill rock ballast in the sash body of wall, ballast, construction panel wall top concrete cover;
Remove interim construction dike when 6, treating 1 year dry season;
7, prefabricated concrete grid block is in place, adopt shackle to link each grid block and form anti-mask.
The invention has the beneficial effects as follows: the present invention according to " ship lock standard " to the velocity flow pattern requirement of door district, pilotage road junction, adopt ladder type panel wall and concrete pipe base wall composite construction, top navigation pier adopts ladder type panel wall type body to play the conductance stream effect of choosing, reduce the transverse flow speed in Kou Men district, improved the navigation condition of approach channel turnover boats and ships; Bottom basis adopts the pile foundation wall construction to carry out subaqueous construction in dry season, need not build the interim cofferdam top sash wall construction of directly constructing, and has shortened the duration, has saved investment, has satisfied instructions for use.Be difficult to satisfy design challenges such as code requirement to solving door district, pilotage road junction, mountain stream navigation structure, benefit of the present invention is obvious.
Description of drawings
Fig. 1 is a plan view of the present invention.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the B-B sectional view of Fig. 1.
Fig. 4 is the C-C sectional view of Fig. 2.
Fig. 5 is the D-D sectional view of Fig. 2.
Fig. 6 is the pore-creating schematic diagram of Fig. 5.
The specific embodiment
As shown in Figure 1, present embodiment water conservancy diversion navigation pier has 3, and the Parallel to the flow direction setting also is divided into moving aqua region I and hydrostatic zone II with the riverbed, and described water conservancy diversion navigation pier is overlooked direction and is trapezoidal, upstream side is little and the downstream is big, the hydrostatic zone II of right-angle side one side towards the navigation channel of water conservancy diversion navigation pier.Water conservancy diversion navigation pier connects into an overall structure by ladder type panel wall 1 structure on top, concrete pile foundation wall 3 structures and the middle concrete apron 2 that plays the transition interconnect function of bottom.The ladder type panel wall body on top has the effect of the conductance of choosing stream, and can alleviate the deadweight of pier body top.
As shown in Figure 4, described ladder type panel wall 1 is trapezoidal whole reinforced concrete box structure for cross section, adopts rock ballast 1b backfill in the middle sash, the panel wall top adopts concrete cover 1c to bind, the panel wall sidewall is provided with gutter 1a, and its diameter D is 6cm, with hydraulic pressure inside and outside the balance.
As Fig. 2, Fig. 3, shown in Figure 5, described concrete pile foundation wall 3 is that the ascending steel concrete board wall of a group length constitutes, and is increased to the D wall as length gradually from the A wall, and the lower end of board wall stretches to basement rock and utilizes line below 6.
As Fig. 2, shown in Figure 3, described concrete apron 2 is a cap-like structure, and upper plane and ladder type panel wall 1 are fixed, and the bottom apron is enclosed within concrete pile foundation wall 3 outsides and is connected by reinforcing bar.Concrete apron 2 can be used as the operation platform of top ladder type panel wall 1 during construction, plays the effect of forming a connecting link.
As Fig. 1, shown in Figure 3, above the original place upper thread 8 that end in water conservancy diversion navigation pier cushion cap sideline 7, the shop cover concrete grid block 4 at whole moving aqua region I, link by shackle between each concrete grid block 4, in order to protection concrete pile foundation wall 3.
Ask for an interview Fig. 3, when building water conservancy diversion navigation pier,, must on the original place in riverbed upper thread 8, build an interim construction dike 5 vertical with water (flow) direction for plant equipment, constructor's operation and traffic etc. up and down are installed, the wide 50m of dike, side slope 1: 1.3, levee crown surfaces.
The job practices of water conservancy diversion navigation pier may further comprise the steps:
1, building wide about 50m, side slope in dry season is 1: 1.3 trapezoidal interim construction dike 5, and the dike of temporarily constructing is vertical with water (flow) direction;
Churn drill machinery equipment is installed after 2, levee crown surfaces, Churn drill pore-creating to basement rock utilizes line below 6, and the secondary hole 3b (as shown in Figure 6) of injection behind the first injection main aperture 3a is up to pore-forming, porthole all formed the back and adopted slurry strengthened wall every the pore-creating of carrying out concrete pile foundation wall 3 engineering time;
3, adopt tower crane equipment to lay reinforcing cage, the concrete of after-pouring concrete pile foundation wall 3 in place;
4, the concrete of formwork erection construction concrete apron 2, and be linked to be integral body with concrete pile foundation wall 3;
5, formwork erection is built the concrete of ladder type panel wall 1, at panel wall sidewall reserved drainpipe 1a, and backfill rock ballast 1b in the sash body of wall, ballast, construction panel wall top concrete cover 1c;
Remove interim construction dike 5 when 6, treating 1 year dry season;
7, prefabricated concrete grid block 4 is in place, adopt shackle to link each grid block and form anti-mask.
Claims (7)
1, a kind of water conservancy diversion navigation pier, this water conservancy diversion navigation pier has several, the Parallel to the flow direction setting also makes the riverbed be divided into moving aqua region and hydrostatic zone, it is characterized in that: described water conservancy diversion navigation pier is overlooked direction and is trapezoidal, its right-angle side is towards the hydrostatic zone of navigation channel side, and water conservancy diversion navigation pier connects into an overall structure by ladder type panel wall (1) structure on top, concrete pile foundation wall (3) structure and the middle concrete apron (2) that plays the transition interconnect function of bottom.
2, water conservancy diversion navigation pier according to claim 1, it is characterized in that: described ladder type panel wall (1) is trapezoidal whole reinforced concrete box structure for cross section, the inner rock ballast (1b) of filling of panel wall, panel wall top envelope has cover plate (1c), and the panel wall sidewall is provided with gutter (1a).
3, water conservancy diversion navigation pier according to claim 1 is characterized in that: described concrete pile foundation wall (3) is that the ascending steel concrete board wall of a group length constitutes, and the lower end of board wall stretches to basement rock and utilizes below the line (6).
4, water conservancy diversion navigation pier according to claim 1, it is characterized in that: described concrete apron (2) is a cap-like structure, and upper plane and ladder type panel wall (1) are fixed, and the bottom apron is enclosed within concrete pile foundation wall (3) outside and is connected by reinforcing bar.
5, according to claim 1 or 2 or 3 or 4 described water conservancy diversion navigation piers, it is characterized in that: to the original place upper thread (8) that end in water conservancy diversion navigation pier cushion cap sideline (7), cover concrete grid block (4) in the shop at all moving aqua region.
6, water conservancy diversion navigation pier according to claim 5 is characterized in that: linked by shackle between described each concrete grid block (4).
7, a kind of job practices of the navigation of water conservancy diversion according to claim 1 pier is characterized in that may further comprise the steps:
7.1, to build wide about 50m, side slope in dry season be 1: 1.3 trapezoidal interim construction dike (5), the dike of temporarily constructing is vertical with water (flow) direction;
7.2, the levee crown back of surfacing installs Churn drill machinery equipment, Churn drill pore-creating to basement rock utilizes below the line (6), and the secondary hole (3b) of first injection main aperture (3a) back injection is up to pore-forming, porthole all formed the back and adopted slurry strengthened wall every the pore-creating of carrying out concrete pile foundation wall (3) engineering time;
7.3, adopt tower crane equipment to lay reinforcing cage, the concrete of after-pouring concrete pile foundation wall in place (3);
7.4, the concrete of formwork erection construction concrete apron (2), and be linked to be integral body with concrete pile foundation wall (3);
7.5, formwork erection builds the concrete of ladder type panel wall (1), at panel wall sidewall reserved drainpipe (1a), backfill rock ballast (1b) in the sash body of wall, ballast, construction panel wall top concrete cover (1c);
7.6, remove interim construction dike (5) when treating 1 year dry season;
7.7, prefabricated concrete grid block (4) is in place, adopt shackle to link each grid block and form anti-mask.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910101918 CN101644040A (en) | 2009-08-19 | 2009-08-19 | Flow guide and navigation pier structure and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910101918 CN101644040A (en) | 2009-08-19 | 2009-08-19 | Flow guide and navigation pier structure and construction method thereof |
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| CN101644040A true CN101644040A (en) | 2010-02-10 |
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| CN 200910101918 Pending CN101644040A (en) | 2009-08-19 | 2009-08-19 | Flow guide and navigation pier structure and construction method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121240A (en) * | 2010-12-23 | 2011-07-13 | 倪既民 | Mobile adjustable river self-flowing silt scouring guide plate |
| CN111172936A (en) * | 2020-01-14 | 2020-05-19 | 交通运输部天津水运工程科学研究所 | Diversion fence structure suitable for downstream curve of approach channel and construction method thereof |
| CN111455943A (en) * | 2020-04-23 | 2020-07-28 | 水利部交通运输部国家能源局南京水利科学研究院 | Construction method of anti-scouring drainage groove of barrier lake |
-
2009
- 2009-08-19 CN CN 200910101918 patent/CN101644040A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121240A (en) * | 2010-12-23 | 2011-07-13 | 倪既民 | Mobile adjustable river self-flowing silt scouring guide plate |
| CN102121240B (en) * | 2010-12-23 | 2016-03-16 | 倪既民 | Adjustable river gravity flow erosion and deposition deflector can be moved |
| CN111172936A (en) * | 2020-01-14 | 2020-05-19 | 交通运输部天津水运工程科学研究所 | Diversion fence structure suitable for downstream curve of approach channel and construction method thereof |
| CN111172936B (en) * | 2020-01-14 | 2022-03-15 | 交通运输部天津水运工程科学研究所 | Diversion fence structure suitable for downstream curve of approach channel and construction method thereof |
| CN111455943A (en) * | 2020-04-23 | 2020-07-28 | 水利部交通运输部国家能源局南京水利科学研究院 | Construction method of anti-scouring drainage groove of barrier lake |
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Open date: 20100210 |