CN217758890U - Assembly type open drain pit structure capable of effectively reducing precipitation sand content - Google Patents
Assembly type open drain pit structure capable of effectively reducing precipitation sand content Download PDFInfo
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- CN217758890U CN217758890U CN202221550131.3U CN202221550131U CN217758890U CN 217758890 U CN217758890 U CN 217758890U CN 202221550131 U CN202221550131 U CN 202221550131U CN 217758890 U CN217758890 U CN 217758890U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model discloses an effectively reduce assembled bright pit arrangement structure of rainfall sand content, including pit body skeleton, be equipped with the concrete riser that permeates water and the concrete bottom plate that permeates water on the pit body skeleton, assemble between the concrete bottom plate that permeates water of the concrete riser that permeates water and the bottom surface of facade and enclose the fender and form the upper shed precipitation hole, be equipped with the compound filter screen of facade that is located the concrete riser facade that permeates water on the pit body skeleton, be equipped with the compound filter screen in bottom surface that is located the concrete bottom plate bottom surface that permeates water on the pit body skeleton. The utility model has the advantages that: and the effect is better due to the arrangement of multi-layer filtering. Even if the outer filter screen is partially failed, the middle pervious concrete can also play a role in filtering, the higher strength of the middle pervious concrete can also effectively protect the inner filter screen, and the overall quality is stable and reliable; the sand content of the precipitation is obviously reduced, the undisturbed soil of the basement can be effectively ensured not to be disturbed, and the quality and potential safety hazard are further eliminated; the assembly structure is adopted, so that the assembly and disassembly are simple, and the field implementation is convenient.
Description
Technical Field
The utility model belongs to the technical field of the construction, specifically be an effectively reduce assembled bright drain pit structure of precipitation sand content.
Background
In the engineering construction process, the foundation excavation elevation is often set below the underground water level line, and the surface water content of the soil layer is generally drained by adopting an open drainage method under the condition that the underground water level is not obviously higher than the foundation bottom or effective precipitation measures such as well point precipitation are not designed, so that the basic condition of foundation construction is achieved.
The general open drain method generally adopts to the simple excavation of precipitation pit, or behind the excavation with modes such as brick sand masonry pit body, and open drain process very easily extracts a large amount of silt, and basement soil layer structure easily suffers destruction. To the region that closes on the structure basis, adopt this kind of mode easily to cause basement original state soil to receive the disturbance, the foundation bearing capacity is not enough to cause the structure atress uneven, easily produces great quality, potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an: the utility model discloses combine on-the-spot actual conditions, provide an assembled bright pit structure of arranging of effective reduction rainfall sand content, solved the problem that current bright drainage method rainfall easily extracted silt, destroyed the soil layer structure, can effectively cross aggregate such as silt in the drainage, reduce rainfall sand content to guarantee that basement original state soil is not influenced, further eliminate quality, potential safety hazard. Can be recycled after being used, can be used for multiple times, and saves manpower and materials used in the traditional masonry construction. Overall, be favorable to structure quality control, safety control and energy-concerving and environment-protective work.
The purpose of the utility model is realized through the following technical scheme:
the utility model provides an effectively reduce assembled bright row of pit structure of precipitation sand content, includes hole body skeleton, is equipped with the concrete riser that permeates water and the concrete bottom plate that permeates water on the hole body skeleton, assembles between the concrete riser that permeates water of facade and the concrete bottom plate that permeates water of bottom surface and encloses the fender and form the upper shed precipitation pit, is equipped with the compound filter screen of facade that is located the concrete riser facade that permeates water on the hole body skeleton, is equipped with the compound filter screen in bottom surface that is located the concrete bottom plate bottom surface that permeates water on the hole body skeleton.
Furthermore, the pervious concrete vertical plate, the pervious concrete bottom plate, the vertical composite filter screen and the bottom composite filter screen can be detachably arranged on the pit body framework.
Furthermore, a framework hanging ring is arranged on the pit body framework.
Furthermore, the pervious concrete vertical plate is provided with a vertical plate hanging ring, and the pervious concrete bottom plate is provided with a bottom plate hanging ring.
Furthermore, the length of the embedded steel bar of the vertical plate hanging ring extending into the pervious concrete vertical plate is not less than half of the height of the vertical plate, and a bend is arranged at the bottom end of the embedded steel bar.
Furthermore, the facade composite filter screen and the bottom composite filter screen both comprise inner and outer steel wire meshes and a middle layer of geotextile.
Further, pit skeleton include interior square frame and outer square frame, the under shed of interior square frame is equipped with the under shed bracing piece, be connected with the diagonal angle connecting rod between the end angle of interior square frame and outer square frame, interior square frame, form riser installation space between outer square frame and the diagonal angle connecting rod, form bottom plate installation space between interior square frame and the under shed bracing piece, the concrete riser that permeates water of isosceles trapezoid cross-section is placed in riser installation space, the concrete bottom plate that permeates water of square terminal surface is placed in bottom plate installation space.
Furthermore, the inner square frame is formed by welding rectangular pipes positioned on twelve sides of the square.
Furthermore, the outer square frame is formed by welding rectangular pipes positioned on twelve sides of the square.
Furthermore, framework hanging rings are arranged on the upper portions of two end corners of one diagonal line of the inner square frame, and framework hanging rings are arranged on the upper portions of two end corners of the other diagonal line of the outer square frame.
The utility model has the advantages that:
1. and the effect is better due to the arrangement of multi-layer filtering. Even if the outer filter screen is partially failed, the middle pervious concrete can also play a role in filtering, the higher strength of the middle pervious concrete can also effectively protect the inner filter screen, and the whole quality is stable and reliable.
2. The sand content of the precipitation is obviously reduced, the undisturbed soil of the basement can be effectively ensured not to be disturbed, and the quality and the potential safety hazard are further eliminated.
3. The assembly structure is adopted, the assembly and disassembly are simple, and the field implementation is convenient.
4. This structure is more saved manual work and material consumption than traditional brick structure, helps environmental protection work.
5. The structure can be used for many times, and has higher utilization rate compared with the traditional construction method.
6. The structure material is easy to recover, convenient to treat and reuse, and green and environment-friendly.
The main scheme and the further selection schemes of the utility model can be freely combined to form a plurality of schemes, which are the schemes that can be adopted and claimed by the utility model; and the utility model discloses also can the independent assortment between (each non-conflict selection) selection and between other choices. The technical solutions to be protected by the present invention, which are various combinations that can be known to those skilled in the art based on the prior art and the common general knowledge after understanding the present invention, are not exhaustive herein.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the pit body skeleton structure of the present invention.
Fig. 3 is the utility model discloses a pervious concrete riser structure sketch map.
Fig. 4 is a schematic view of the structure of the pervious concrete bottom plate of the present invention.
Fig. 5 is a schematic view of the installation steps of the present invention.
In the figure: 1-pit skeleton, 2-pervious concrete vertical plate, 3-pervious concrete bottom plate, 4-facade composite filter screen, 5-bottom composite filter screen and 6-dewatering pit; 101-inner square frame, 102-outer square frame, 103-lower opening support rod, 104-diagonal connecting rod and 105-skeleton lifting ring; 201-vertical plate hoisting rings; 301-base plate suspension ring.
Detailed Description
The following non-limiting examples serve to illustrate the invention.
Example 1:
referring to fig. 1 to 5, an assembled open drain pit structure for effectively reducing the sand content of precipitation comprises a pit body framework 1, a pervious concrete vertical plate 2, a pervious concrete bottom plate 3, a vertical composite filter screen 4 and a bottom composite filter screen 5.
The pit body framework 1 comprises an inner cube framework 101, an outer cube framework 102, a lower opening support rod 103, a diagonal connecting rod 104 and a framework hanging ring 105. The inner square frame 101 is formed by welding 50X 2mm rectangular tubes positioned on twelve sides of the square, and the outer square frame 102 is formed by welding 50X 2mm rectangular tubes positioned on twelve sides of the square.
The lower open welding of interior square frame 101 has lower open bracing piece 103, and lower open bracing piece 103 is the X column structure of diagonal for support the concrete bottom plate 3 that permeates water. A diagonal connecting rod 104 is welded between the end corners of the inner cube frame 101 and the outer cube frame 102, and the diagonal connecting rod 104 is used for connecting the inner and outer cube frames into a whole and dividing the space between the inner and outer cube frames into a square shape.
Vertical plate installation spaces are formed among the inner square frame 101, the outer square frame 102 and the diagonal connecting rods 104, the diagonal connecting rods 104 divide the space of the square shape into four parts, each part can be used for placing a pervious concrete vertical plate 2, and the pervious concrete vertical plates 2 with isosceles trapezoid cross sections are placed in the vertical plate installation spaces.
A bottom plate installation space is formed between the inner square frame 101 and the lower opening support rod 103, the pervious concrete bottom plate 3 with the square end face is placed in the bottom plate installation space, and the lower opening is blocked by the pervious concrete bottom plate 3.
The upper parts of two end corners of one diagonal line of the inner square frame 101 are welded with framework hanging rings 105 with the diameter phi of 18mm, the upper parts of two end corners of the other diagonal line of the outer square frame 102 are welded with framework hanging rings 105 with the diameter phi of 18mm, and the framework hanging rings 105 are convenient for hoisting the pit framework 1.
The four pervious concrete vertical plates 2 of the vertical face and one pervious concrete bottom plate 3 of the bottom face are assembled to form the enclosure, and the pervious concrete bottom plate 3 is also positioned between the four pervious concrete vertical plates 2, so that an upper-opening precipitation pit 6 is formed, and precipitation is filtered by the pervious concrete vertical plates.
The pit body framework 1 is provided with a vertical surface composite filter screen 4 positioned on the inner vertical surface and the outer vertical surface of the pervious concrete vertical plate 2, the pit body framework 1 is provided with a bottom surface composite filter screen 5 positioned on the bottom surface of the pervious concrete bottom plate 3, and the composite filter screen is used for filtering rainfall.
The precipitation carries out the infiltration filtration from outside to inside, through setting up the multilayer filtration, concrete slab and compound filter screen permeate water promptly, reduces the precipitation sand content, can effectively guarantee that basement original state soil does not receive the disturbance.
The pervious concrete vertical plate 2, the pervious concrete bottom plate 3, the vertical composite filter screen 4 and the bottom composite filter screen 5 can be detachably arranged on the pit body framework 1, so that the on-site dismounting is facilitated, and the construction steps are simplified. During installation, the facade composite filter screens 4 are installed on the four facades of the inner cube frame 101 and the four facades of the outer cube frame 102, then the bottom surface composite filter screen 5 is installed on the bottom surface of the outer cube frame 102, the bottom surface composite filter screen 5 covers the bottom surface of the inner cube frame 101 at the same time, then the pervious concrete bottom plate 3 is installed at the bottom of the inner cube frame 101, and the four pervious concrete vertical plates 2 are installed between the inner and outer cube frames.
The vertical surface composite filter screen 4 and the bottom surface composite filter screen 5 both comprise inner and outer steel wire meshes and middle geotextiles, and the filtering effect on precipitation is realized. The inner layer and the outer layer are made of steel wire meshes, the number of the meshes is less than or equal to 20mm, and the diameter of the meshes is more than or equal to 1mm. The intermediate level sets up one deck geotechnological cloth, the unit area quality: not less than 200g/m 2 And the tearing strength is more than or equal to 0.16kN.
The thickness of the pervious concrete vertical plate 2 is more than or equal to 200mm, wherein the coarse aggregate adopts a single particle size fraction with a small particle size (5-15 mm), the aggregate with a particle size larger than 15mm is controlled within 5%, and the maximum particle size is not more than 20mm. The aggregate pores are smaller than common crushed stones, so that the aggregate in the water can be filtered effectively; the strength grade of the cement is more than 32.5, and the dosage is 250-400 kg/m 3 In the range, a certain amount of reinforcing agent is added, which is beneficial to improving the interface strength of cement paste and aggregate and realizing the filtration effect on precipitation.
The thickness of the pervious concrete bottom plate 3 is more than or equal to 200mm, and the bottom plate concrete structure material is of the same vertical plate structure.
The vertical plate hanging ring 201 is embedded in the pervious concrete vertical plate 2, the bottom plate hanging ring 301 is embedded in the pervious concrete bottom plate 3, and the pervious concrete slab is conveniently hoisted through the vertical plate hanging ring 201 and the bottom plate hanging ring 301. Set up a diameter phi 18mm riser rings 201 on the pervious concrete riser 2, the length that the embedding reinforcing bar of riser rings 201 stretched into pervious concrete riser 2 is not less than half the riser height, and the bottom of embedding reinforcing bar sets up 90 and buckles, and length of buckling is not less than 300mm, guarantees hoist and mount stability. The pervious concrete bottom plate 3 is provided with two bottom plate hoisting rings 301 with the diameter phi 18, so that the hoisting is convenient.
The aforesaid the utility model discloses basic example and each further alternative can the independent assortment in order to form a plurality of embodiments, are the utility model discloses can adopt and claim the embodiment of protection. In the scheme of the utility model, each selection example can be combined with any other basic examples and selection examples at will.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.
Claims (10)
1. The utility model provides an effectively reduce assembly type openly arranged pit structure of precipitation sand content, includes pit body skeleton (1), its characterized in that: the pit body framework (1) is provided with a pervious concrete vertical plate (2) and a pervious concrete bottom plate (3), the pervious concrete vertical plate (2) of the vertical surface and the pervious concrete bottom plate (3) of the bottom surface are assembled and surrounded to form a precipitation pit (6) with an upper opening, the pit body framework (1) is provided with a vertical surface composite filter screen (4) located on the vertical surface of the pervious concrete vertical plate (2), and the pit body framework (1) is provided with a bottom surface composite filter screen (5) located on the bottom surface of the pervious concrete bottom plate (3).
2. The fabricated open drain pit structure effective in reducing the sand content of precipitation of claim 1, wherein: the vertical pervious concrete plates (2), the bottom pervious concrete plates (3), the vertical composite filter screens (4) and the bottom composite filter screens (5) are detachably arranged on the pit body framework (1).
3. The fabricated open drain pit structure effective in reducing the sand content of precipitation of claim 1 or 2, wherein: the pit body framework (1) is provided with a framework hanging ring (105).
4. The fabricated open drain pit structure effective in reducing the sand content of precipitation of claim 1 or 2, wherein: the vertical permeable concrete plate (2) is provided with a vertical plate hanging ring (201), and the bottom plate hanging ring (301) is arranged on the concrete bottom plate (3).
5. The fabricated open drain pit structure for effectively reducing precipitation sand content of claim 4, wherein: the length of the embedded steel bar of the vertical plate hanging ring (201) extending into the pervious concrete vertical plate (2) is not less than half of the height of the vertical plate, and a bend is arranged at the bottom end of the embedded steel bar.
6. The fabricated open drain pit structure effective in reducing the sand content of precipitation of claim 1 or 2, wherein: the facade composite filter screen (4) and the bottom composite filter screen (5) both comprise inner and outer steel wire meshes and middle geotextile.
7. The fabricated open drain pit structure effective in reducing the sand content of precipitation of claim 1 or 2, wherein: pit body skeleton (1) including interior square frame (101) and outer square frame (102), the under shed of interior square frame (101) is equipped with under shed bracing piece (103), be connected with diagonal angle connecting rod (104) between the end angle of interior square frame (101) and outer square frame (102), interior square frame (101), form riser installation space between outer square frame (102) and diagonal angle connecting rod (104), form bottom plate installation space between interior square frame (101) and under shed bracing piece (103), the concrete riser (2) that permeates water of isosceles trapezoid cross-section is placed in riser installation space, the concrete bottom plate (3) that permeates water of square terminal surface are placed in bottom plate installation space.
8. The fabricated open drain pit structure for effectively reducing precipitation sand content of claim 7, wherein: the inner cube frame (101) is formed by welding rectangular pipes positioned on twelve sides of the cube.
9. The fabricated open drain pit structure for effectively reducing precipitation sand content of claim 7, wherein: the outer cube frame (102) is formed by welding rectangular pipes positioned on twelve side edges of the cube.
10. The fabricated open drain pit structure for effectively reducing precipitation sand content of claim 7, wherein: the upper parts of two end angles of a diagonal line of the inner square frame (101) are provided with skeleton lifting rings (105), and the upper parts of two end angles of the other diagonal line of the outer square frame (102) are provided with skeleton lifting rings (105).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221550131.3U CN217758890U (en) | 2022-06-21 | 2022-06-21 | Assembly type open drain pit structure capable of effectively reducing precipitation sand content |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221550131.3U CN217758890U (en) | 2022-06-21 | 2022-06-21 | Assembly type open drain pit structure capable of effectively reducing precipitation sand content |
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| CN217758890U true CN217758890U (en) | 2022-11-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115162386A (en) * | 2022-06-21 | 2022-10-11 | 中国五冶集团有限公司 | Assembly type open drain pit structure capable of effectively reducing precipitation sand content |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115162386A (en) * | 2022-06-21 | 2022-10-11 | 中国五冶集团有限公司 | Assembly type open drain pit structure capable of effectively reducing precipitation sand content |
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