CN212200477U - River-blocking weir gate anti-impact sinking well group and connecting structure comprising same - Google Patents
River-blocking weir gate anti-impact sinking well group and connecting structure comprising same Download PDFInfo
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- CN212200477U CN212200477U CN201922198622.0U CN201922198622U CN212200477U CN 212200477 U CN212200477 U CN 212200477U CN 201922198622 U CN201922198622 U CN 201922198622U CN 212200477 U CN212200477 U CN 212200477U
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Abstract
The utility model discloses an anti well sinking crowd that dashes of river damming relates to water conservancy infrastructure field, can effectively solve the whole problem of well sinking crowd to and the problem of evenly sinking in the work progress, concrete scheme is: the open caisson structure comprises a plurality of open caisson groups, wherein the open caisson groups are arranged along the width direction of a river channel on a river bed, the outer walls of two sides, close to adjacent open caisson, of the open caisson are respectively provided with grooves with arc-shaped cross sections, and the adjacent arc-shaped grooves of the adjacent open caisson are connected through concrete. The river-blocking weir gate anti-impact open caisson group provided by the utility model can effectively solve the overall problem of the open caisson group and the problem of uniform sinking in the construction process; the river-blocking weir gate anti-flushable well group can effectively solve the problem of sand loss of a weir gate foundation; the flushdown-resistant well group of the river weir gate can serve as a foundation to serve the upper structure of the river weir gate; the river damming resistant well group has good application effect and high economical efficiency.
Description
Technical Field
The utility model relates to a water conservancy infrastructure field, more specifically say, it relates to a connection structure of anti well sinking crowd of sluicing weir floodgate and containing this well sinking crowd.
Background
The open caisson is a well cylindrical structure, and is a foundation for bridge abutment or other structures by digging soil in the well, overcoming the frictional resistance of the well wall by means of the self gravity, sinking to a designed elevation, sealing the bottom by concrete and filling the well hole.
The general open caisson often appears in single quantity in a small range, the condition that a plurality of open caisson appear is relatively less, and under the condition that a plurality of open caisson are used, the interconnection among the open caisson needs to be considered, the adjacent open caisson is too close to cause influence on the adjacent open caisson, and the distance is too far, so that the effect of the open caisson group cannot be achieved.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an anti well sinking crowd that dashes of weir gate blocks a river through the design of being connected between open caisson and the open caisson, can effectively solve the overall problem of well sinking crowd to and the problem of evenly sinking in the work progress.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a river-blocking weir gate anti-impact sinking well crowd, includes a plurality of open caisson, and the open caisson crowd sets up on the river course width direction on the riverbed, is provided with the cross section respectively on the both sides outer wall that the open caisson is close to adjacent open caisson and is the curved recess, and adjacent curved recess of adjacent open caisson passes through the concrete and connects.
By adopting the technical scheme, the open caisson groups are arranged along the width direction of the riverbed, the number of the open caisson is set according to the width of the riverbed and the size of a single open caisson, the outer side wall of each open caisson is provided with an arc-shaped groove which is arranged along the height direction of the open caisson, and a certain gap is left between each open caisson and the adjacent open caisson, so that the two adjacent grooves can not be closed temporarily; after the open caisson sinks to accomplish, can use high-pressure water and inhale the clear hole of sand pump with two adjacent recesses, then pour the concrete in the recess under water for adjacent open caisson interconnect, finally a plurality of open caisson forms a whole, makes whole open caisson crowd more firm.
As a preferable scheme, the open caisson comprises an open caisson main body poured by reinforced concrete, a concrete back cover is poured at the joint of the open caisson main body and a riverbed rock stratum, a main body cavity with fillers and a cover plate poured by the reinforced concrete.
By adopting the technical scheme, the main structure of the open caisson is a hollow box type structure, the lower end of the open caisson penetrates through sand gravel, the bottom of the open caisson is arranged on the top surface of a foundation stratum, after concrete bottom sealing is well arranged, the main cavity is filled, the main cavity can be filled with river bed sand gravel, and then the reinforced concrete cover plate is poured on the top surface of the open caisson.
As a preferred scheme, the cross section of the open caisson is rectangular; the rectangular structure is better to the effect as basis and connection, and the manual construction of being convenient for.
As a preferred scheme, the width direction of the rectangular open caisson is consistent with the water flow direction, the width B is 3.3-3.8m, and the length L of the open caisson is 9.5-10.5 m; the open caisson with the size is convenient to construct, and the depth of the open caisson is selected according to the actual condition of the riverbed covering layer.
As a preferred scheme, the gap delta between adjacent open caisson is 0.1-0.2 m; the open caisson has certain relation, the supporting effect between the adjacent open caisson is ensured, and the interception effect of preventing the sand loss on the basis of the weir gate is better.
As a preferred scheme, the height difference of any two open caisson sinking processes in the open caisson group is not more than 0.5 m; in order to increase the stability between the open caisson, also be convenient for the later stage utilize the open caisson crowd as infrastructure, add on the open caisson crowd and establish other facilities, prevent that the process of sinking slope from leading to adjacent open caisson can't sink.
As a preferred scheme, the concrete connecting the adjacent arc-shaped grooves of the adjacent open caisson is second-stage concrete; so that the construction effect is better.
A connecting structure of an open caisson group and a flat protection plate comprises the river blocking weir gate anti-impact open caisson group, the joint of the flat protection plate and an open caisson cover plate is a slope flat joint, and a steel bar pull rod is arranged between the joints.
On the basis of the connecting structure, a stilling basin and a long sea can be omitted, and the riverbed can be protected from the scouring and other erosion damages of river water flowing through an upstream water outlet structure; all cover plates of the open caisson group can be used as flat protection plates and are arranged at the downstream of the water outlet building, and inclined flat protection plates are arranged between the water outlet building and the open caisson group.
A construction method of a river weir gate anti-flushable well group is based on the river weir gate anti-flushable well group and comprises the following steps:
s1: numbering the sinking well groups from one end to the other end sequentially by 1, 2, 3, 4, 5 and 6;
s2: synchronously sinking the open caisson numbered as singular or even in S1 for 0.5 m;
s3: synchronously sinking the sunk wells with the residual numbers of even numbers or odd numbers after sinking in the S2 by 0.5 m;
s4: synchronously sinking the single or double open caisson numbered in the S1 for 0.5 m;
s5: and synchronously sinking the sunk wells which are left in the sinking in the S2 and are numbered as even numbers or odd numbers by 0.5 m.
As a preferred scheme, sectional pouring and sectional sinking are adopted in the single open caisson sinking process.
By adopting the technical scheme, according to the specific width of a riverbed, the open caisson with different quantities is selectively arranged, an excavator is matched with a sand suction pump to carry out non-drainage excavation and sinking, the theodolite is utilized to detect plane deviation on two sides, the level is utilized to detect vertical height on upstream and downstream, adjacent open caisson are sunk at intervals, and a construction mode of sectional pouring and sectional sinking is adopted for a single open caisson.
To sum up, the utility model discloses following beneficial effect has:
(1) the river-blocking weir gate anti-impact open caisson group provided by the utility model can effectively solve the overall problem of the open caisson group and the problem of uniform sinking in the construction process;
(2) the river-arresting weir gate anti-washout well group provided by the utility model can effectively solve the problem of sand loss of the weir gate foundation;
(3) the anti-sinking well group of the river and weir gate provided by the utility model can serve as a foundation to serve the upper structure of the river and weir gate;
(4) the utility model provides an anti well crowd that dashes and sinks of river barricade has fine application effect, has very high economic nature simultaneously.
Drawings
Fig. 1 is a cross-sectional view of a barrage anti-flushable well group according to an embodiment of the present invention;
fig. 2 is a schematic plan structure view of a river barrage anti-flushable well group according to an embodiment of the present invention;
fig. 3 is an application scene diagram of the anti-flushable well group of the barrage of the embodiment of the invention;
in fig. 3: 1. sinking well group; 2. a apron plate; 3. a river barrage.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1:
the utility model provides a river-blocking weir gate anti-impact sinking well crowd, includes a plurality of open caisson, and open caisson crowd 1 sets up on the river course width direction on the riverbed, and the open caisson is provided with the cross section respectively on being close to the both sides outer wall of adjacent open caisson and is curved recess, and adjacent curved recess of adjacent open caisson passes through the concrete and connects.
By adopting the technical scheme, the open caisson group 1 is arranged along the width direction of a river bed, the number of the open caisson is set according to the width of the river bed and the size of a single open caisson, the outer side wall of each open caisson is provided with an arc-shaped groove which is arranged along the height direction of the open caisson, and a certain gap is left between each open caisson and the adjacent open caisson, so that the two adjacent grooves can not be closed temporarily; after the open caisson sinks to accomplish, can use high-pressure water and inhale the clear hole of sand pump with two adjacent recesses, then pour the concrete under water in the recess for adjacent open caisson interconnect, finally a plurality of open caisson form a whole, make whole open caisson crowd 1 more firm.
As a preferable scheme, the open caisson comprises an open caisson main body poured by reinforced concrete, a concrete back cover is poured at the joint of the open caisson main body and a riverbed rock stratum, a main body cavity with fillers and a cover plate poured by the reinforced concrete.
By adopting the technical scheme, the main structure of the open caisson is a hollow box type structure, the lower end of the open caisson penetrates through sand gravel, the bottom of the open caisson is arranged on the top surface of a foundation stratum, after concrete bottom sealing is well arranged, the main cavity is filled, the main cavity can be filled with river bed sand gravel, and then the reinforced concrete cover plate is poured on the top surface of the open caisson.
As a preferred scheme, the cross section of the open caisson is rectangular; the rectangular structure is better to the effect as basis and connection, and the manual construction of being convenient for.
As a preferred scheme, the width direction of the rectangular open caisson is consistent with the water flow direction, the width B is 3.3-3.8m, and the length L of the open caisson is 9.5-10.5 m; the open caisson with the size is convenient to construct, and the depth of the open caisson is selected according to the actual condition of the riverbed covering layer.
As a preferred scheme, the gap delta between adjacent open caisson is 0.1-0.2 m; the open caisson has certain relation, the supporting effect between the adjacent open caisson is ensured, and the interception effect of preventing the sand loss on the basis of the weir gate is better.
As a preferred scheme, the height difference of any two open caisson sinking processes in the open caisson group 1 is not more than 0.5 m; in order to increase the stability between the open caisson, also be convenient for the later stage utilize open caisson crowd 1 as infrastructure, add on open caisson crowd 1 and establish other facilities, prevent that the process of sinking slope from leading to adjacent open caisson can't sink.
As a preferred scheme, the concrete connecting the adjacent arc-shaped grooves of the adjacent open caisson is second-stage concrete; so that the construction effect is better.
Example 2:
a connecting structure of an open caisson group 1 and a flat protection plate 2 comprises the river blocking weir gate anti-impact open caisson group, the joint of the flat protection plate 2 and an open caisson cover plate is a slope flat joint, and a steel bar pull rod is arranged between the joints.
On the basis of the connecting structure, a stilling basin and a long sea can be omitted, and the riverbed can be protected from the scouring and other erosion damages of river water flowing through an upstream water outlet structure; all cover plates of the caisson group 1 can be used as the protection flat plates 2 and are arranged at the downstream of the water outlet building, and the inclined protection flat plates 2 are arranged between the water outlet building and the caisson group 1.
Example 3:
a construction method of a river weir gate anti-flushable well group is based on the river weir gate anti-flushable well group and comprises the following steps:
s1: sequentially numbering 1, 2, 3, 4, 5 and 6 from one end to the other end of the sinking well group 1;
s2: synchronously sinking the open caisson numbered as singular or even in S1 for 0.5 m;
s3: synchronously sinking the sunk wells with the residual numbers of even numbers or odd numbers after sinking in the S2 by 0.5 m;
s4: synchronously sinking the single or double open caisson numbered in the S1 for 0.5 m;
s5: and synchronously sinking the sunk wells which are left in the sinking in the S2 and are numbered as even numbers or odd numbers by 0.5 m.
As a preferred scheme, sectional pouring and sectional sinking are adopted in the single open caisson sinking process.
By adopting the technical scheme, according to the specific width of a riverbed, the open caisson with different quantities is selectively arranged, an excavator is matched with a sand suction pump to carry out non-drainage excavation and sinking, the theodolite is utilized to detect plane deviation on two sides, the level is utilized to detect vertical height on upstream and downstream, adjacent open caisson are sunk at intervals, and a construction mode of sectional pouring and sectional sinking is adopted for a single open caisson.
The working principle is as follows: taking a large sand river double-peak river barrage in the city of buried mountains in Anhui province as an example, the double-peak river barrage is positioned at the mountain outlet of a large sand river, two banks have no dike, the width of a river bed is 200m, and a river bed covering layer is sand gravel and is about 6-9 m thick; in the work progress, the open caisson is adopted long arm excavator cooperation sand suction pump not drainage and is excavated the soil and sink, utilizes the theodolite to detect the plane deviation at both sides, utilizes the spirit level to detect vertical height in the upstream, and adjacent open caisson is from rising each other and is laid down, the interval sinks, and the altitude difference control is at 0.5m, final effect: as the open caisson group 1 is used as a deep foundation and a strong defense line of a protection, the large sand river double-peak river barrage project is safe and innoxious after repeated mountain torrents test for ten years.
Description of the drawings: in FIG. 2, the elevation, peg number in meters, and remaining dimensions in millimeters are shown.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a river-blocking weir gate anti-impact sinking well crowd, its characterized in that, includes a plurality of open caisson, and the open caisson crowd sets up on the river course width direction on the riverbed, is provided with the cross section respectively on the both sides outer wall that the open caisson is close to adjacent open caisson and is the curved recess, and adjacent curved recess of adjacent open caisson passes through the concrete and connects.
2. The river barrier sluice anti-surge well group as recited in claim 1, wherein the caisson comprises a main body of reinforced concrete poured caisson, a concrete back cover poured at the junction of the main body of caisson and the bed rock layer, a main body cavity with filler and a cover plate poured of reinforced concrete.
3. The barrage anti-surge well group of claim 2, wherein the open caisson cross section is rectangular.
4. The river damming resistant sinking well group according to claim 3, wherein the width direction of the rectangular sinking well is consistent with the water flow direction, the width is 3.3-3.8m, and the length of the sinking well is 9.5-10.5 m.
5. The barrage anti-surge well group according to claim 1, wherein the adjacent caisson gap is 0.1-0.2 m.
6. The barrage anti-surge well group of claim 1, wherein the difference in height between any two open caisson in the well group is no more than 0.5 m.
7. The barrage flunkage resistant caisson group of claim 1, wherein the concrete connecting adjacent curved recesses of adjacent caisson is secondary concrete.
8. A connection structure of an open caisson group and a flat protection plate comprises the river damming resistant open caisson group of any one of claims 1 to 7, and is characterized in that a joint between the flat protection plate and an open caisson cover plate is a slope flat joint, and a steel bar pull rod is arranged between the joints.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922198622.0U CN212200477U (en) | 2019-12-10 | 2019-12-10 | River-blocking weir gate anti-impact sinking well group and connecting structure comprising same |
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| CN201922198622.0U CN212200477U (en) | 2019-12-10 | 2019-12-10 | River-blocking weir gate anti-impact sinking well group and connecting structure comprising same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110924413A (en) * | 2019-12-10 | 2020-03-27 | 安庆市水利水电规划设计院 | River-damming-resistant well group and construction method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110924413A (en) * | 2019-12-10 | 2020-03-27 | 安庆市水利水电规划设计院 | River-damming-resistant well group and construction method thereof |
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