CN217053257U

CN217053257U - River sluice foundation structure

Info

Publication number: CN217053257U
Application number: CN202220830521.XU
Authority: CN
Inventors: 郑中华; 唐珺葑; 龙琦
Original assignee: Sichuan Water Conservancy And Electric Power Engineering Bureau Co ltd
Current assignee: Sichuan Shuifa Construction Co ltd
Priority date: 2022-04-11
Filing date: 2022-04-11
Publication date: 2022-07-26
Anticipated expiration: 2032-04-11

Abstract

The utility model relates to a river sluice infrastructure, it includes the basic unit and is used for the surface course of being connected with the floodgate dam, the surface course sets up in the basic unit, be provided with the bed course between basic unit and the surface course, one side that the basic unit is close to the river sluice and intakes the end is provided with the barrier layer that is used for the prevention of seepage, the top of barrier layer link up the basic unit and inserts the bed course, one side that the surface course is close to the river sluice and intakes the end is provided with the foundation ditch, be provided with the protection bed-fill in the foundation ditch. The bed course is connected basic unit and surface course and is constituteed the basis, and the barrier layer can prevent groundwater infiltration basic unit to a certain extent, and the protection bed course is favorable to strengthening the surface course and is close to the structural strength of the one side of river sluice intake end to can prevent basic infiltration to a certain extent and take place the unstability, with this bearing capacity that improves the basis.

Description

River sluice foundation structure

Technical Field

The application relates to the technical field of hydraulic engineering, in particular to a river sluice foundation structure.

Background

The river sluice is a sluice used for adjusting the upstream water level and controlling the flow rate of the discharged water on a natural river channel, and is also called a river-blocking control sluice. The main functions of the river sluice are as follows: in the dry period, closing the gate to raise the upstream water level so as to meet the requirements of shipping, irrigation, power generation and diversion and town water supply; and in the flood period, the gate is opened to discharge the flood, so that the upstream water supply level does not exceed the flood control limit water level, and the discharge flow is controlled so that the discharge flow does not exceed the safe discharge of the downstream river. On a sandy river, the river sluice is also used for dredging and discharging sand, and the water-sand balance state of the original riverbed is kept as much as possible.

Chinese patent No. CN205804398U discloses a reinforced structure of sluice foundation, which includes more than one rotary jet holes passing through the original sluice bottom plate and the original sluice foundation, the rotary jet holes are used for the jet pipe to extend into, the jet pipe extends into the bottom of the rotary jet holes and jets three high-speed jet flows while rising along the axis from the bottom of the rotary jet holes, thereby forming rotary jet piles with increased strength around and inside the rotary jet holes, chiseling a burr layer on the surface of the original sluice bottom plate, and a concrete layer and a reinforcing mesh on the surface of the chiseling layer. The reinforcing structure shown in the application has the advantages of small disturbance to surrounding buildings, effective reduction of foundation settlement and obvious increase of the bearing capacity of the foundation.

According to the related technology, underground water easily permeates into the foundation to enable the foundation to seep water to cause instability, so that the foundation is poor in stability and low in bearing capacity.

SUMMERY OF THE UTILITY MODEL

In order to prevent the foundation seepage to a certain extent and take place the unstability, improve the bearing capacity on basis, this application provides a river-blocking floodgate infrastructure.

The application provides a river sluice foundation structure adopts following technical scheme:

the utility model provides a river sluice infrastructure, includes basic unit and surface course, the surface course sets up in the basic unit, be provided with the bed course between basic unit and the surface course, one side that the basic unit is close to the river sluice and intakes the end is provided with the barrier layer that is used for the prevention of seepage, the top of barrier layer link up the basic unit and inserts the bed course, one side that the surface course is close to the river sluice and intakes the end is provided with the foundation ditch, be provided with the protection bed course in the foundation ditch.

Through adopting above-mentioned technical scheme, the bed course is connected basic unit and surface course and is constituteed the basis, and the barrier layer can prevent groundwater infiltration basic unit to a certain extent, and the protection is filled the layer and is favorable to strengthening the structural strength that the surface course is close to one side of river sluice intake end to can prevent the basic infiltration to a certain extent and take place the unstability, with this bearing capacity that improves the basis.

Optionally, a connecting piece for connecting the surface layer and the base layer is arranged in the surface layer.

Through adopting above-mentioned technical scheme, the joint strength of surface course and basic unit can be strengthened to the connecting piece, is favorable to improving the bearing capacity on basis.

Optionally, the connecting piece is set to be a consolidation curtain, the cushion layer is inserted into the top end of the consolidation curtain, the base layer is inserted into the bottom end of the consolidation curtain by penetrating through the cushion layer, and the consolidation curtain is provided with a plurality of parts.

Through adopting above-mentioned technical scheme, the joint strength of surface course and basic unit can be strengthened to the concretion curtain to improve the overall stability of basis.

Optionally, adjacent two be provided with a plurality of anchor bar groups between the consolidation curtain, anchor bar group includes a plurality of anchor bars, the top of anchor bar inserts the surface course, the bottom of anchor bar link up the bed course and inserts the basic unit.

Through adopting above-mentioned technical scheme, the anchor bar further strengthens the stability of being connected of surface course and basic unit to improve the overall stability of basis.

Optionally, a wear-resistant layer is arranged on the surface layer.

Through adopting above-mentioned technical scheme, the wearing layer is favorable to protecting the surface course top, increases the bearing capacity of basis simultaneously.

Optionally, a slot for inserting the gate is formed in the wear-resistant layer, placing grooves are formed in the side walls of the two sides of the slot, a seal box is arranged in the placing grooves, a sliding groove is formed in the side wall, close to the gate, of the seal box in the length direction of the seal box, a seal block is arranged in the sliding groove in the direction close to or far away from the gate, the seal block is used for being abutted to the gate, an elastic piece used for ordering the seal block to slide in the direction close to the gate is arranged in the sliding groove, and an inverted slope is arranged at one end, close to the gate, of the seal block.

Through adopting above-mentioned technical scheme, the gate can extrude sealed piece into the spout with falling during the inclined plane butt, and the elastic component can order about sealed piece and slide along the direction that is close to the gate and make sealed piece and gate butt to increase the leakproofness of gate both sides, be favorable to preventing that silt from getting into the closure that the slot long-time gathering influences the gate on the diapire of slot.

Optionally, a convex block is fixedly arranged on the sealing block, a groove for the convex block to insert is formed in the sealing box, the groove is communicated with the sliding groove, the convex block is connected with the groove in a sliding manner, and one end, close to the opening of the sliding groove, of the groove is sealed.

Through adopting above-mentioned technical scheme, the lug slides with the recess and is connected the slip orbit that is favorable to restricting sealed piece, prevents that sealed piece from taking place the skew at the slip in-process, and the one end that the recess is close to the spout notch simultaneously seals to be set up and is favorable to preventing sealed piece to break away from the spout.

Optionally, the fixed otic placode that is provided with of one end that the seal box is close to the spout notch, set up on the wearing layer and supply otic placode male groove of stepping down, the groove of stepping down communicates with the standing groove, the otic placode is pegged graft with the groove of stepping down, be provided with on the otic placode and be used for fixing the mounting in the standing groove with the seal box.

Through adopting above-mentioned technical scheme, fix the seal box in the standing groove through the mounting, it is fixed more firm to rely on frictional force with the seal box is directly inserted in the standing groove.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the base layer and the surface layer are connected to form the foundation by the cushion layer, the seepage-proof layer can prevent underground water from permeating into the base layer to a certain degree, and the protective filling layer is beneficial to enhancing the structural strength of the surface layer close to one side of the water inlet end of the river sluice, so that the instability of foundation seepage water can be prevented to a certain degree, and the bearing capacity of the foundation is improved;

2. the consolidation curtain can enhance the connection strength of the surface layer and the base layer, so that the overall stability of the foundation is improved;

3. the anchor bars further strengthen the connection stability of surface course and basic unit to improve the overall stability of basis.

Drawings

FIG. 1 is a cross-sectional view of the overall structure of an embodiment of the present application;

FIG. 2 is a cross-sectional view of an embodiment of the present application, showing primarily the set of tendons and the tendons;

FIG. 3 is a schematic structural diagram of a wear-resistant layer and a seal block mainly embodied in the embodiment of the application;

FIG. 4 is a schematic structural diagram of a sealing box and an ear plate mainly embodied in the embodiment of the application;

fig. 5 is a schematic structural diagram mainly showing the bump and the elastic member in the embodiment of the present application.

Description of reference numerals: 11. a base layer; 12. a surface layer; 121. a foundation pit; 13. a cushion layer; 14. a wear layer; 141. inserting slots; 142. a placement groove; 143. a yielding groove; 15. a protective filling layer; 21. an impermeable layer; 22. solidifying the curtain; 23. anchor bar groups; 231. anchoring ribs; 31. a sealing box; 311. a chute; 312. a groove; 32. a sealing block; 33. a bump; 34. a spring; 41. an ear plate; 411. sinking a groove; 42. a countersunk head bolt; 51. gate dams; 511. a gate opening; 52. and (4) a gate.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a river sluice foundation structure.

Referring to fig. 1, a foundation structure of a river sluice includes a base layer 11 and a surface layer 12, the surface layer 12 is arranged on the base layer 11, the base layer 11 is composed of underground bedrock, the surface layer 12 is made of concrete material, a cushion layer 13 is arranged between the base layer 11 and the surface layer 12, the cushion layer 13 is made of concrete material, and the strength of concrete in the surface layer 12 is greater than that of concrete in the cushion layer 13. One side of the base layer 11, which is close to the water inlet end of the river sluice, is provided with an impermeable layer 21 for seepage prevention, the impermeable layer 21 is set into a grouting curtain, the grouting curtain is arranged in a row close to the upstream side, the depth and the arrangement range of two banks of the grouting curtain are determined according to the lower limit of the medium water permeability of the sluice foundation rock mass provided by geology, the grouting curtain extends into the permeable layer of the weak foundation rock, and the depth is not less than 2 m. The grouting material adopts 425 # ordinary portland cement, firstly single-row drill holes are arranged along the axis direction of the gate dam 51, the hole diameter of each drill hole is 75-91 mm, the depth direction of each drill hole is perpendicular to the base layer 11, the hole distance of each drill hole is 2m, then cement slurry flowing liquid is poured into each hole to enable the cement slurry flowing liquid in the plurality of drill holes to form a complete grouting curtain, the top end of the impermeable layer 21 penetrates through the base layer 11 and is inserted into the cushion layer 13, a foundation pit 121 is dug on one side, close to the water inlet end of the river sluice, of the surface layer 12, a protective filling layer 15 is arranged in each foundation pit 121, and the protective filling layer 15 is made of sand and pebble materials.

Referring to fig. 1 and 2, a wear-resistant layer 14 is arranged on a surface layer 12, the wear-resistant layer 14 is made of a concrete material, the strength of concrete in the wear-resistant layer 14 is greater than that of concrete in the surface layer 12, a gate dam 51 is poured on the wear-resistant layer 14, a gate 511 is arranged in the gate dam 51, and a gate 52 for closing the gate 511 is arranged on the gate dam 51 in a sliding mode in the vertical direction. The surface layer 12 is internally provided with a connecting piece used for connecting the surface layer 12 with the base layer 11, the connecting piece is set to be a consolidation curtain 22, the aperture of a grouting hole of the consolidation curtain 22 is 60mm, the grouting hole distance of the consolidation curtain 22 is 4m, the rock-entering hole depth is 6m, and full-hole primary grouting is carried out in a bottom-to-top grouting mode. The top end of the consolidation curtain 22 is inserted into the cushion layer 13, the bottom end of the consolidation curtain 22 penetrates through the cushion layer 13 and is inserted into the base layer 11, the consolidation curtain 22 is provided with a plurality of consolidation curtains 22, a plurality of anchor bar groups 23 are arranged between every two adjacent consolidation curtains 22, each anchor bar group 23 comprises a plurality of anchor bars 231, one anchor bar 231 in each anchor bar group 23 is fixed at a designated position, the other anchor bars 231 are distributed and arranged in the circumferential direction by taking the fixed anchor bar 231 as a circle center, the top end of each anchor bar 231 is inserted into the surface layer 12, and the bottom end of each anchor bar 231 penetrates through the cushion layer 13 and is inserted into the base layer 11.

Referring to fig. 3 and 4, the wear-resistant layer 14 is provided with an insertion slot 141 for inserting the gate 52, side walls of two sides of the insertion slot 141 are respectively provided with a placing groove 142 along a direction away from the gate 52, notches of the two placing grooves 142 are oppositely arranged in a horizontal direction, a seal box 31 is respectively arranged in the two placing grooves 142, the two seal boxes 31 are respectively matched with the two placing grooves 142, the seal box 31 is detachably arranged in the placing grooves 142, an ear plate 41 is fixedly arranged at one end of the seal box 31 close to the notch of the sliding slot 311, ear plates 41 are respectively fixedly arranged at two sides of the seal box 31, the wear-resistant layer 14 is provided with an abdicating slot 143 for inserting the ear plate 41, the two abdicating slots 143 are respectively communicated with the placing grooves 142, the ear plate 41 is inserted into the abdicating slot 143, the side wall of the ear plate 41 close to the gate 52 is arranged in the abdicating slot 143, the ear plate 41 is provided with a fixing member for fixing the seal box 31 in the placing groove 142, the fixing piece is set to be the countersunk head bolt 42, the side wall of the lug plate 41 close to the gate 52 is provided with a countersunk groove 411 for the countersunk head bolt 42 to be inserted, the head of the countersunk head bolt 42 is arranged in the countersunk groove 411, and the countersunk head bolt 42 is simultaneously threaded through the lug plate 41 and the bottom wall of the abdicating groove 143.

Referring to fig. 5, a slide groove 311 is formed in a side wall of the seal box 31 adjacent to the gate 52 along a longitudinal direction of the seal box 31, a seal block 32 is provided in the slide groove 311 in a direction toward or away from the gate 52, a sliding direction of the seal block 32 is perpendicular to a sliding direction of the gate 52, and the seal block 32 is configured to abut against the gate 52. An elastic piece used for driving the sealing block 32 to slide along the direction close to the gate 52 is arranged in the sliding groove 311, the elastic piece is a spring 34, one end of the spring 34 is fixedly connected with the bottom wall of the sliding groove 311, the other end of the spring is fixedly connected with the side wall, far away from the gate 52, of the sealing block 32, and an inverted inclined surface is arranged at one end, used for being abutted against the gate 52, of the sealing block 32. The top wall of the sealing block 32 is fixedly provided with a convex block 33, a groove 312 for inserting the convex block 33 is formed in the sealing box 31, the groove 312 is formed in the side wall of the sliding groove 311 along the sliding direction of the sealing block 32, the groove 312 is communicated with the sliding groove 311, the convex block 33 is connected with the groove 312 in a sliding mode, and one end, close to the notch of the sliding groove 311, of the groove 312 is arranged in a sealing mode.

The implementation principle of the river sluice foundation structure in the embodiment of the application is as follows: the bed course 13 is connected basic unit 11 and surface course 12 and is constituteed the basis, and the grout curtain can stop groundwater infiltration basic unit 11 to a certain extent, and protection bed course 15 is favorable to strengthening the structural strength that surface course 12 is close to one side of river sluice intake end to can prevent to a certain extent that basic infiltration takes place the unstability, with this bearing capacity who improves the basis.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A river sluice infrastructure, includes basic unit (11) and surface course (12), its characterized in that: surface course (12) set up on basic unit (11), be provided with bed course (13) between basic unit (11) and surface course (12), one side that basic unit (11) are close to the river sluice and intake the end is provided with barrier layer (21) that are used for the prevention of seepage, barrier layer's (21) top is link up basic unit (11) and is inserted bed course (13), one side that surface course (12) are close to the river sluice and intake the end is provided with foundation ditch (121), be provided with protection filling layer (15) in foundation ditch (121).

2. A river sluice infrastructure as claimed in claim 1, wherein: and a connecting piece for connecting the surface layer (12) and the base layer (11) is arranged in the surface layer (12).

3. A river sluice infrastructure according to claim 2, wherein: the connecting piece sets up to consolidation curtain (22), bed course (13) are inserted to the top of consolidation curtain (22), the bottom of consolidation curtain (22) link up bed course (13) and insert basic unit (11), consolidation curtain (22) are provided with a plurality ofly.

4. A river sluice infrastructure according to claim 3, wherein: it is adjacent two be provided with a plurality of anchor rib groups (23) between consolidation curtain (22), anchor rib group (23) are including a plurality of anchor rib (231), surface course (12) are inserted on the top of anchor rib (231), the bottom of anchor rib (231) link up bed course (13) and insert basic unit (11).

5. A river sluice infrastructure according to claim 1, wherein: and a wear-resistant layer (14) is arranged on the surface layer (12).

6. A sluice infrastructure according to claim 5, wherein: the gate structure is characterized in that a slot (141) for inserting a gate (52) is formed in the wear-resistant layer (14), placing grooves (142) are formed in the side walls of the two sides of the slot (141), a sealing box (31) is arranged in the placing groove (142), a sliding groove (311) is formed in the side wall, close to the gate (52), of the sealing box (31) in the length direction of the sealing box (31), a sealing block (32) is arranged in the sliding groove (311) in the direction close to or far away from the gate (52), the sealing block (32) is used for being abutted to the gate (52), an elastic piece used for driving the sealing block (32) to slide in the direction close to the gate (52) is arranged in the sliding groove (311), and an inverted slope is arranged at one end, used for being abutted to the gate (52), of the sealing block (32).

7. A river sluice infrastructure according to claim 6, wherein: the sealing device is characterized in that a convex block (33) is fixedly arranged on the sealing block (32), a groove (312) for inserting the convex block (33) is formed in the sealing box (31), the groove (312) is communicated with the sliding groove (311), the convex block (33) is connected with the groove (312) in a sliding manner, and one end, close to a notch of the sliding groove (311), of the groove (312) is sealed.

8. A river sluice infrastructure as claimed in claim 6, wherein: the seal box (31) is close to fixed otic placode (41) that is provided with of one end of spout (311) notch, offer on wearing layer (14) and supply otic placode (41) male groove of stepping down (143), groove of stepping down (143) and standing groove (142) intercommunication, otic placode (41) and groove of stepping down (143) are pegged graft, be provided with on otic placode (41) and be used for fixing the mounting in standing groove (142) with seal box (31).