CN214497785U - Hollow block rainwater infiltration inspection shaft - Google Patents
Hollow block rainwater infiltration inspection shaft Download PDFInfo
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- CN214497785U CN214497785U CN202023289712.XU CN202023289712U CN214497785U CN 214497785 U CN214497785 U CN 214497785U CN 202023289712 U CN202023289712 U CN 202023289712U CN 214497785 U CN214497785 U CN 214497785U
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Abstract
The utility model discloses a hollow building block rainwater infiltration inspection shaft, including permeable bed and slot, the concrete cushion has been laid to the bottom of ditch inslot, inspection shaft bottom plate and infiltration inspection shaft have set gradually on the concrete cushion, the infiltration inspection shaft includes that supreme annular masonry layer of building by laying bricks or stones in proper order is followed to the multilayer, every layer of annular masonry layer all includes polylith end to end's hollow infiltration building block, fill behind the inside vertical reinforcing bar that inserts of hollow infiltration building block, the circumference equipartition has many drain pipes on the lateral wall of infiltration inspection shaft, the last inspection shaft roof that has set gradually of infiltration inspection shaft, the pit shaft, annular well seat and well lid, cement mortar has all been filled in the gap between each part, the gross sand layer is filled in the outside of infiltration inspection shaft, the outside of infiltration inspection shaft and the outside of gross sand layer all wrap up geotechnological cloth layer. The utility model discloses bearing capacity is strong, has certain rainwater regulation and infiltration effect, can alleviate the road surface ponding problem of flooding, has apparent economic value and social value.
Description
Technical Field
The utility model relates to a sponge city rainwater processing technology field, concretely relates to hollow block rainwater infiltration inspection shaft.
Background
Along with the continuous development of urban construction in China, the water-tight area of cities is increasing day by day, so that the cities can have larger or smaller flooding and water accumulation conditions in rainy seasons. The technical measures related to the sponge city are steadily developed under national popularization, but the related content of the rainwater infiltration inspection well is relatively less in the construction process of the sponge city.
Currently, the infiltration inspection wells in the market have the following problems: firstly, the material of partial infiltration well is PE material, the infiltration inspection well of PE material is buried under greenbelt, non-motor vehicle lane in practical application mostly, the conventional method is to wrap the rubble layer and the coarse sand layer around the infiltration well, play the role of regulating, storing and permeating and draining water through the rubble layer, the method is suitable for the area without bearing capacity requirement of road surface, if there is bearing capacity requirement, the method will be greatly limited; secondly, the application technology of the current sponge urban pavement is mainly permeable pavement, and permeable brick pavements and permeable asphalt pavements in the permeable pavement permeate rainwater underground through permeable layers, but when more rainwater exists, rainwater exceeding the permeability can be deposited on the pavements, and the pavement structure can be affected even in severe cases. Therefore, it is objectively needed to develop a hollow block rainwater infiltration inspection well which has strong bearing capacity, certain rainwater regulation and infiltration effects and can relieve the problem of water logging on the road surface.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bearing capacity is strong, has certain rainwater regulation and infiltration effect, can alleviate the hollow block rainwater infiltration inspection shaft of road surface waterlogging ponding problem.
The utility model aims at realizing the method, which comprises a permeable layer and a groove, wherein the permeable layer is laid on the road surface, the groove is dug below the permeable layer, a concrete cushion is laid at the bottom in the groove, an inspection well bottom plate is poured on the concrete cushion, a cylindrical infiltration inspection well is vertically laid on the inspection well bottom plate, the infiltration inspection well comprises a plurality of annular masonry layers which are sequentially laid from bottom to top, each annular masonry layer comprises a plurality of hollow infiltration building blocks which are connected end to end, the hollow infiltration building blocks are ring-shaped sand-free concrete building blocks, concrete is filled in the hollow infiltration building blocks after vertical reinforcing steel bars are inserted into the hollow infiltration building blocks, a plurality of drain pipes are evenly distributed on the circumference of the side wall of the infiltration inspection well, an inspection well top plate is arranged at the upper end of the infiltration inspection well, a well shaft communicated with the inside of the inspection well is arranged on the inspection well top plate, and an annular well seat is arranged at the upper end of the well shaft, movable mounting has the well lid on the annular well seat, the upper surface of well lid flushes with the upper surface of permeable bed, between concrete bed course and the inspection shaft bottom plate, between inspection shaft bottom plate and the hollow infiltration building block, between the adjacent annular masonry layer, between drain pipe and the hollow infiltration building block, between hollow infiltration building block and the inspection shaft roof, between inspection shaft roof and the pit shaft, all fill up cement mortar in the gap between pit shaft and the annular well seat, slot inner wall and inspection shaft bottom plate, the infiltration inspection well, fill up the coarse sand layer in the annular space between inspection shaft roof and the pit shaft, the upper end and the permeable bed intercommunication on coarse sand layer, the outside of infiltration inspection well and the outside on coarse sand layer all wrap up geotechnological cloth layer.
Further, the number of the drainage pipes is 2, and the drainage pipes are symmetrically arranged on the side wall of the permeation inspection well.
And further, the hollow infiltration building blocks of two adjacent annular building layers up and down are constructed in a staggered manner.
Further, the lower surface of every hollow infiltration building block all is provided with the arc constant head tank, the upper surface of every hollow infiltration building block all be provided with arc constant head tank assorted arc location boss, be provided with on the upper surface of inspection shaft bottom plate with arc constant head tank assorted annular location boss, be provided with on the lower surface of inspection shaft roof with arc location boss assorted annular location groove.
Furthermore, the thickness of the coarse sand layer is 150-250 mm.
Further, the cross-sectional shape of the groove is square.
The utility model has the advantages as follows: firstly, the infiltration inspection well is built by adopting the hollow infiltration building blocks, the construction progress is faster, the hollow infiltration building blocks are convenient to manufacture, and compared with a reinforced concrete inspection well, the infiltration inspection well has the characteristics of material saving and low manufacturing and construction cost; secondly, after vertical steel bars are inserted into the cavity in the hollow infiltration building block, concrete is poured, and a reinforced concrete structure is formed in the cavity, so that the whole infiltration inspection well has stronger bearing capacity and can meet the driving bearing requirement of a light vehicle; thirdly, the rainwater can permeate through permeable stratum, coarse sand layer and hollow infiltration building block in proper order and get into the infiltration inspection shaft to from the drain pipe drainage to the rainwater pipe network, can alleviate the ponding problem of flooding on road surface by a wide margin, secondly, when the rainwater is too much, when exceeding the overflow capacity of rainwater pipe network, coarse sand layer and infiltration inspection shaft can store partial rainwater, and slowly to peripheral soil infiltration emission, have certain regulation and infiltration effect. The utility model discloses bearing capacity is strong, has certain rainwater regulation and infiltration effect, can alleviate the road surface ponding problem of flooding, has apparent economic value and social value.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic top view of the middle ring masonry course of the present invention;
FIG. 3 is a schematic cross-sectional view of A-A in FIG. 2;
in the figure: 1-permeable layer, 2-groove, 3-concrete cushion layer, 4-inspection well bottom plate, 5-infiltration inspection well, 6-hollow infiltration building block, 7-vertical steel bar, 8-concrete, 9-drainage pipe, 10-inspection well top plate, 11-pit shaft, 12-annular well seat, 13-coarse sand layer, 14-geotextile layer, 15-arc positioning groove, 16-arc positioning boss, 17-annular positioning boss, 18-annular positioning groove and 19-well cover.
Detailed Description
The present invention will be further described with reference to the accompanying drawings, but the present invention is not limited in any way, and any changes or improvements based on the present invention are all within the protection scope of the present invention.
As shown in figures 1-3, the utility model comprises a permeable layer 1 and a groove 2, the permeable layer 1 is paved on the road surface, the groove 2 is dug under the permeable layer 1, a concrete cushion layer 3 is paved at the bottom in the groove 2, an inspection well bottom plate 4 is poured on the concrete cushion layer 3, a cylindrical infiltration inspection well 5 is vertically built on the inspection well bottom plate 4, the infiltration inspection well 5 comprises a plurality of annular building layers which are sequentially built from bottom to top, each annular building layer comprises a plurality of hollow infiltration building blocks 6 which are connected end to end, the hollow infiltration building blocks 6 are ring-sector shaped sand-free concrete building blocks, vertical steel bars 7 are inserted into cavities of the hollow infiltration building blocks 6 and then filled with concrete 8, the number and the arrangement method of the vertical steel bars 7 can be determined according to the actual requirements of the size of the hollow infiltration building blocks 6 and the strength requirement of the infiltration inspection well 5, a plurality of drain pipes 9 are evenly distributed on the circumference of the side wall of the infiltration inspection well 5, an inspection well top plate 10 is arranged at the upper end of the infiltration inspection well 5, a well shaft 11 communicated with the inside of the infiltration inspection well 5 is arranged on the inspection well top plate 10, an annular well seat 12 is arranged at the upper end of the well shaft 11, a well cover 19 is movably arranged on the annular well seat 12, the upper surface of the well cover 19 is flush with the upper surface of the permeable layer 1, cement mortar is filled in gaps between the concrete cushion layer 3 and the inspection well bottom plate 4, between the inspection well bottom plate 4 and the hollow permeable building blocks 6, between adjacent hollow permeable building blocks 6 of the same annular masonry layer, between adjacent annular masonry layers, between the drain pipe 9 and the hollow permeable building blocks 6, between the hollow permeable building blocks 6 and the inspection well top plate 10, between the inspection well top plate 10 and the well shaft 11, and between the well shaft 11 and the annular well seat 12, and cement mortar with M7.5 can be selected during actual construction, and the inner wall of the groove 2, the inspection well bottom plate 4 and the infiltration inspection well 5, The annular space between the inspection well top plate 10 and the shaft 11 is filled with a coarse sand layer 13, the upper end of the coarse sand layer 13 is communicated with the permeable layer 1, and the outer side of the permeation inspection well 5 and the outer side of the coarse sand layer 13 are all wrapped with a geotextile layer 14.
The infiltration inspection well 5 in the utility model is built by adopting the hollow infiltration building blocks 6, the construction progress is faster, and the hollow infiltration building blocks 6 are convenient to manufacture, compared with the reinforced concrete inspection well, the infiltration inspection well has the characteristics of material saving and low manufacturing and construction cost; secondly, after vertical steel bars 7 are inserted into a cavity in the hollow infiltration building block 6, concrete 8 is poured, and a reinforced concrete structure is formed in the cavity, so that the whole infiltration inspection well 5 has stronger bearing capacity and can meet the driving bearing requirement of a common light vehicle; in addition, when raining, rainwater can penetrate through the permeable layer 1, the coarse sand layer 13 and the hollow permeable building blocks 6 in sequence to enter the permeable inspection well 5 and then is discharged to the rainwater pipe network from the drainage pipe 9, so that the problem of flooding and water accumulation on the road surface can be greatly relieved, and meanwhile, when too much rainwater exceeds the overflowing capacity of the rainwater pipe network, the coarse sand layer 13 and the permeable inspection well 5 can store partial rainwater and slowly permeate and discharge the rainwater to the surrounding soil, so that certain regulation and permeation effects are achieved. The utility model discloses can solve current 5 road surface bearing capacity of infiltration inspection shaft not enough, structural strength is not enough, only can arrange in non-motor way position to and the not enough scheduling problem of infiltration ability, can be in greenery patches, outdoor square, light-duty roadway and parking area position, simultaneously, also can solve current because the rainwater is too much to exceed the ponding problem that road surface design infiltration ability produced, be favorable to the implementation of sponge city theory
The number of the water discharge pipes 9 is 2, the water discharge pipes 9 are symmetrically arranged on the side wall of the permeation inspection well 5, the water discharge pipes 9 are used for being connected with a rainwater pipe network, one of the water discharge pipes is used as a water inlet pipe, the other water discharge pipe is used as a water outlet pipe, and a plurality of water inlet pipes and water outlet pipes can be arranged as required.
Preferably, in order to improve the firmness of the infiltration inspection well 5, the hollow infiltration blocks 6 of two adjacent annular masonry layers are staggered and masonry is carried out.
When building infiltration inspection shaft 5 by laying bricks or stones, in order to facilitate location and installation of hollow infiltration building block 6, improve efficiency of construction and build the precision by laying bricks or stones, the lower surface of every hollow infiltration building block 6 all is provided with arc positioning groove 15, the upper surface of every hollow infiltration building block 6 all is provided with arc positioning groove 15 assorted arc location boss 16, be provided with on the upper surface of inspection shaft bottom plate 4 with arc positioning groove 15 assorted annular location boss 17, be provided with on the lower surface of inspection shaft roof 10 with arc positioning boss 16 assorted annular positioning groove 18.
The thickness of the coarse sand layer 13 is 150-250 mm, and during actual construction, the thickness of the coarse sand layer 13 can be selected to be 200 mm.
The cross-sectional shape of the grooves 2 is preferably square, but other shapes of the grooves 2 may be used if desired.
The utility model discloses a construction method mainly includes following step:
1. determining whether the position of the groove 2 is located at the paving position of the permeable layer 1, and if the position is located at the paving position of the permeable layer 1, determining the thickness of the permeable layer 1 so as to ensure that a coarse sand layer 13 backfilled into the groove 2 is connected with the permeable layer 1;
2. determining the groundwater level elevation of the construction site through geological survey reports or other data, and adopting the structure of the infiltration inspection well 5 when the actual groundwater level elevation of the construction site is lower than 1m below the concrete cushion 3;
3. excavating a groove 2, determining the thickness of a concrete cushion 3 according to the size of a penetration inspection well 5, sequentially pouring the concrete cushion 3 and an inspection well bottom plate 4, building the penetration inspection well 5, inserting vertical steel bars 7 into a cavity of a hollow penetration building block 6, pouring concrete 8, installing an inspection well top plate 10, a shaft 11 and an annular well seat 12, and filling gaps among all the components with cement mortar;
4. after the main body construction is finished, the outer wall of the seepage inspection well 5 is wrapped with a geotechnical cloth layer 14, a joint staggered joint lap joint method is adopted when the geotechnical cloth layer 14 is wrapped, a coarse sand layer 13 with the thickness of 200mm is filled in a groove 2 on the outer side of the geotechnical cloth layer 14 after a drain pipe 9 is installed, the coarse sand layer 13 needs to be filled to a position of a permeable layer 1 on a road surface and is connected with the permeable layer 1 on the road surface, it is guaranteed that rainwater on the road surface can penetrate into the seepage inspection well 5, the geotechnical cloth layer 14 is wrapped on the outer side of the coarse sand layer 13 again, excavated original soil is used for backfilling if gaps exist on the outer side of the coarse sand layer 13, and finally, a well cover 19 is installed on the annular well seat 12.
Claims (6)
1. The utility model provides a hollow block rainwater infiltration inspection shaft, includes permeable bed (1) and slot (2), permeable bed (1) is mated formation on the road surface, and slot (2) dig and establish the below in permeable bed (1), its characterized in that: a concrete cushion (3) is laid at the bottom in the groove (2), an inspection well bottom plate (4) is poured on the concrete cushion (3), a cylindrical infiltration inspection well (5) is vertically built on the inspection well bottom plate (4), the infiltration inspection well (5) comprises a plurality of annular building layers which are sequentially built from bottom to top, each annular building layer comprises a plurality of hollow infiltration building blocks (6) which are connected end to end, the hollow infiltration building blocks (6) are annular fan-shaped sand-free concrete blocks, concrete (8) is filled in a cavity of each hollow infiltration building block (6) after vertical reinforcing steel bars (7) are inserted in the cavity, a plurality of drain pipes (9) are uniformly distributed on the side wall of the infiltration inspection well (5) along the circumference,
an inspection well top plate (10) is arranged at the upper end of the permeation inspection well (5), a well shaft (11) communicated with the inside of the permeation inspection well (5) is arranged on the inspection well top plate (10), an annular well base (12) is arranged at the upper end of the well shaft (11), a well cover (19) is movably arranged on the annular well base (12), the upper surface of the well cover (19) is flush with the upper surface of the permeable layer (1), cement mortar is filled in gaps between the concrete cushion layer (3) and the inspection well bottom plate (4), between the inspection well bottom plate (4) and the hollow permeable building blocks (6), between the hollow permeable building blocks (6) adjacent to the same annular building layer, between the adjacent annular building layers, between the drainage pipe (9) and the hollow permeable building blocks (6), between the hollow permeable building blocks (6) and the inspection well top plate (10), between the inspection well top plate (10) and the well shaft (11), and between the well shaft (11) and the annular well base (12), the annular space between the inner wall of the groove (2) and the inspection well bottom plate (4), the penetration inspection well (5), the inspection well top plate (10) and the shaft (11) is filled with a coarse sand layer (13), the upper end of the coarse sand layer (13) is communicated with the permeable layer (1), and the outer side of the penetration inspection well (5) and the outer side of the coarse sand layer (13) are all wrapped with a geotextile layer (14).
2. The hollow block rainwater infiltration inspection well according to claim 1, characterized in that the number of the drainage pipes (9) is 2, and the drainage pipes are symmetrically arranged on the side wall of the infiltration inspection well (5).
3. The hollow block rainwater infiltration inspection well according to claim 1, characterized in that staggered joints between the hollow infiltration blocks (6) of two adjacent annular masonry layers are constructed.
4. The hollow block rainwater infiltration inspection well according to claim 1, characterized in that the lower surface of each hollow infiltration block (6) is provided with an arc-shaped positioning groove (15), the upper surface of each hollow infiltration block (6) is provided with an arc-shaped positioning boss (16) matched with the arc-shaped positioning groove (15), the upper surface of the inspection well bottom plate (4) is provided with an annular positioning boss (17) matched with the arc-shaped positioning groove (15), and the lower surface of the inspection well top plate (10) is provided with an annular positioning groove (18) matched with the arc-shaped positioning boss (16).
5. The hollow block rainwater infiltration inspection well according to claim 1, characterized in that the thickness of the coarse sand layer (13) is 150-250 mm.
6. The hollow block rainwater infiltration inspection well according to claim 1, characterized in that the cross section of the groove (2) is square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023289712.XU CN214497785U (en) | 2020-12-30 | 2020-12-30 | Hollow block rainwater infiltration inspection shaft |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023289712.XU CN214497785U (en) | 2020-12-30 | 2020-12-30 | Hollow block rainwater infiltration inspection shaft |
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| CN214497785U true CN214497785U (en) | 2021-10-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114411927A (en) * | 2022-02-21 | 2022-04-29 | 中建八局南方建设有限公司 | Waterproof structure of drainage well and construction method thereof |
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2020
- 2020-12-30 CN CN202023289712.XU patent/CN214497785U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114411927A (en) * | 2022-02-21 | 2022-04-29 | 中建八局南方建设有限公司 | Waterproof structure of drainage well and construction method thereof |
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