CN212877018U - A afforestation structure for job site foundation ditch side - Google Patents
A afforestation structure for job site foundation ditch side Download PDFInfo
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- CN212877018U CN212877018U CN202021349787.XU CN202021349787U CN212877018U CN 212877018 U CN212877018 U CN 212877018U CN 202021349787 U CN202021349787 U CN 202021349787U CN 212877018 U CN212877018 U CN 212877018U
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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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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
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Abstract
The utility model discloses a greening structure for job site foundation ditch side, include the foundation ditch and be located the concrete road in the foundation ditch top surface outside, install along its length direction on the foundation ditch top surface and prevent the railing, prevent being provided with the planting green area between railing and the concrete road, the planting green area sets up along preventing railing length direction, the inboard of preventing the railing installs the raceway that the level set up along its length direction, the raceway has the outlet pipe of many vertical extensions settings at its length direction interval connection, can be rotatory atomizer on the horizontal plane is installed on the top of outlet pipe, atomizer is used for atomizing the dust fall and spray the irrigation to the planting green area to the foundation ditch inboard. The utility model discloses have the dual function of dust fall and maintenance plant, can improve the operation environment of job site.
Description
Technical Field
The utility model relates to a foundation ditch technical field, concretely relates to greening structure for job site foundation ditch side.
Background
At present, the construction generally needs to carry out foundation pit excavation construction of an underground part so as to meet the requirements of space utilization, certain special functions and the like. Wherein, the adjacent edge protection around the foundation pit is the important content that prevents the eminence safety protection that falls, consequently can set up protection railing in foundation pit week side and protect. The outer side of the protective rail is usually a temporary hardened construction road, by means of which it is convenient to transport various building materials, such as reinforcing bars, formwork and scaffolding, into the foundation pit of the construction site. However, the concrete road and the foundation pit are adjacent to each other, and a large amount of dust generated in the foundation pit construction process does not have corresponding dust fall control measures, so that the dust is easy to leak, and the surrounding environment is affected. At present, as the requirement of building safety civilized construction is higher and higher, especially for key building projects in urban residential areas, most of the periphery is mature residential areas, so that schedules are provided for dust control and greening projects in construction sites, the aims of reducing dust pollution of the construction sites to the surrounding environment, improving the working environment of the construction sites and avoiding a large amount of dust generated by construction site operation are achieved, and therefore a greening structure for the side of a foundation pit of the construction sites is needed to improve the working environment of the construction sites.
SUMMERY OF THE UTILITY MODEL
To the not enough of above-mentioned prior art, the utility model aims to solve the technical problem that: the greening structure for the foundation pit side of the construction site has the dual functions of dust fall and plant maintenance, and can improve the operation environment of the construction site.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides a greening structure for job site foundation ditch side, includes the foundation ditch and is located the concrete road in the foundation ditch top surface outside, install along its length direction on the foundation ditch top surface and prevent the railing, it is provided with the planting belt to prevent between railing and the concrete road, the planting belt sets up along preventing railing length direction, the raceway that the level set up is installed along its length direction to the inboard of preventing the railing, the raceway has the outlet pipe of many vertical extensions settings at its length direction interval connection, the atomizer that can rotate on the horizontal plane is installed on the top of outlet pipe, atomizer is used for atomizing the dust fall and spray the irrigation to the planting belt to the foundation ditch inboard.
The utility model discloses in, before the foundation ditch excavation, the concrete road is under construction earlier in the outside of foundation ditch, guarantee the transportation of building materials, the concrete road forms the back, plant the planting technique area between concrete road and foundation ditch top surface, the concrete width in planting technique area can be according to on-the-spot actual conditions, generally can set up to 1-1.5m wide, the planting technique area is accomplished the back, pour the concrete cushion at the foundation ditch top surface, form the installation condition of installation protection railing, protection railing can adopt site standard's steel pipe railing, the back is accomplished in the installation of foundation ditch top surface protection railing, arrange the raceway along the length direction of rail guard, and set up outlet pipe and atomizer on the raceway, the preliminary work of preparing in earlier stage of foundation ditch excavation has just been done, then the excavation foundation ditch. Through a plurality of atomizer that set up in protection railing one side in this scheme, can be in the foundation ditch excavation in-process and when foundation construction in the foundation ditch after the foundation ditch excavation is accomplished, atomize the dust fall through atomizer spun water smoke to the foundation ditch local area of preventing railing week side, effectively reduced the dust in the foundation ditch outwards spill over, have certain dust fall effect to foundation ditch week side. Simultaneously through the planting technique area that sets up between concrete road and foundation ditch, rotatory atomizer on the horizontal plane still sprays the irrigation to the vegetation in the planting technique area, has played the effect of maintenance plant, therefore atomizer has the dual function of dust fall and maintenance plant, satisfies afforestation environmental protection construction theory, has improved the operation environment of job site.
As optimization, the green planting belt comprises a planting soil layer and a planting belt cushion layer from top to bottom, the top surface of the planting soil layer is flush with the concrete road, the planting belt cushion layer is flush with the roadbed of the concrete road, a blind ditch is arranged in the middle of the planting belt cushion layer, and the blind ditch is arranged along the length direction of the foundation pit; the planting belt cushion layers on the two sides of the blind ditch are respectively provided with a slope finding layer for finding slopes towards the blind ditch.
Like this, take the bed course through setting up planting to flush with the road bed of concrete road, the planting takes the bed course to have the effect of water proof, forms the manger plate face with the road bed of concrete road, prevents that external water from corroding road bed and foundation ditch. Be provided with the french drain through the middle part position department at planting area bed course, thereby atomizer spouts into to the planting area in not by the vegetation totally absorbed water, and the produced rainwater of rainfall can flow downwards along planting the soil layer at ordinary times, and flow into the french drain under the slope effect of looking for the slope layer, the slope of looking for the slope layer can set up to 1% 3%, set up through the planting area at french drain both sides and fill up the stratum level and look for the slope layer, can effectively lead to the in-situ surplus water of planting the soil in the french drain, prevent that the interior surplus water of planting soil layer from flowing to both sides erosion foundation ditch or concrete road bed, influence the stability of foundation ditch and concrete road. Meanwhile, the planting belt cushion layer is located below the planting soil layer, so that after construction engineering in later period is completed, when the concrete road built temporarily and the concrete cushion layer on the periphery side of the foundation pit need to be broken, the planting belt cushion layer is hidden below the planting soil layer, so that the planting belt cushion layer does not need to be broken, the operation amount of wall breaking is greatly saved, and the construction cost is saved.
As optimization, a water diversion layer for primarily filtering water in the planting soil layer and guiding the water to the blind ditch is further arranged on the planting belt cushion layer, the water diversion layer comprises a plastic drainage plate and permeable geotextile, and the plastic drainage plate is flatly paved on the upper surface of the planting belt cushion layer and is arranged at the position close to the two sides of the blind ditch in a disconnected mode; the permeable geotextile is laid on the plastic drainage plate, and the conical boss on the plastic drainage plate faces the direction of the permeable geotextile so as to form a drainage channel for water in the planting soil layer to flow into the blind ditch together with the permeable geotextile.
Like this, the geotechnological cloth that permeates water has good water guide performance, prevents through setting up the geotechnological cloth that permeates water and plants intraformational earth grit and through getting into the plastics drain bar, has prefilter's effect to avoid the drainage channel to block, guaranteed that the drainage channel drainage is smooth and easy, through circular cone on the plastics drain bar suddenly bench with the geotechnological cloth cooperation of permeating water, can lead water to in the french drain smoothly through drainage channel.
Preferably, mortar is smeared on two inner side walls and the bottom surface of the blind ditch, a water filtering layer for filtering water flowing into the blind ditch is filled in the blind ditch, and the water filtering layer is composed of crushed stones, cobblestones and gravels according to a certain particle grading.
Like this, the inside wall and the bottom surface through the french drain have been plastered with the mortar, have guaranteed the structural integrity of french drain, are filled with the drainage layer that rubble, cobblestone and gravel constitute in the french drain, and the drainage layer can filter the water that flows into the french drain direction, leads to the existence of filtering the water layer, both can guarantee that the french drain can not invade and block up the french drain by the intraformational earth of planting soil, makes the water of circulation in the french drain for the water after filtering again, the reutilization of the follow-up water of being convenient for.
As optimization, a plurality of water collecting grooves are arranged at intervals along the length direction of the blind ditch, the bottom of each water collecting groove is lower than the bottom of the blind ditch, a baffle is covered at the notch of each water collecting groove, and a plurality of water filtering holes are formed in the baffle and are used for being isolated from a water filtering layer in the blind ditch; the water collecting tank is internally connected with a water conduit, a filter screen is covered at the end part of one end of the water conduit positioned in the water collecting tank, the other end of the water conduit is communicated to the water storage tank, and a water suction pump is arranged in the water storage tank and used for leading water in the water storage tank to the water delivery pipe.
Like this, can keep in filterable water in the french drain through the setting of water catch bowl, the leading water pipe of being convenient for leads water to the raceway through the suction pump behind the tank to collect the utilization to the rainwater. In addition, although the baffle is arranged at the notch of the water collecting tank, the incompletely-removed silt or broken stone carried in water cannot be completely isolated from entering the water collecting tank, so that the filter screen is arranged at one end of the water conduit positioned in the water collecting tank, and the pipe orifice of the water conduit can be effectively prevented from being blocked.
And as optimization, a retaining wall is built at the joint of the planting soil layer and the foundation pit, the retaining wall is built on the planting belt cushion layer and is equal in height to the planting soil layer and is arranged at equal length along the length direction of the foundation pit, and waterproof mortar is coated on the wall surface of the retaining wall close to the planting soil layer.
Like this, set up retaining wall through handing-over department at planting soil layer and foundation ditch, and scribble on the wall that is close to planting soil layer and scribble waterproof mortar, can prevent effectively that the intraformational water of planting soil from permeating and passing in retaining wall gets into the foundation ditch soil body, influences the stability of side slope in the foundation ditch.
As optimization, still laid interim water supply and drainage pipe on the planting area bed course, interim water supply and drainage pipe sets up along retaining wall length direction.
Like this, because before the foundation ditch excavation, the construction site can all relate to the tee bend and one the level, and one of them tee bend just includes interim water supply and drainage pipe's setting, consequently through with the pre-buried setting of interim water supply and drainage pipe on the planting area bed course, arranging the in-process of planting greenbelt like this, just pre-buried interim water supply and drainage pipe has just need not dig the slot again and come to lay interim water supply and drainage pipe and arrange, has effectively practiced thrift construction cost.
As optimization, the concrete cushion has been pour to the foundation ditch top surface, it has many studs to pre-embed along protection railing length direction interval on the concrete cushion, stud top protrusion in concrete cushion aspect for be connected fixedly with the bracing of protection railing.
Like this, through pre-buried having the grub on the concrete cushion at foundation ditch top surface, the grub is the twisted steel section, is convenient for like this to be connected fixedly with the bracing that prevents that guardrail bar sets up, has improved guardrail bar's overall stability.
Preferably, the width of the blind ditch is 300mm-350mm, and the depth is 350mm-400 mm.
To sum up, the beneficial effects of the utility model reside in that: through a plurality of atomizer that set up in protection railing one side, can be in the foundation ditch excavation in-process and when foundation construction in the foundation ditch after the foundation ditch excavation is accomplished, atomize the dust fall through atomizer spun water smoke to the foundation ditch local area of preventing guardrail week side, effectively reduced the inside dust of foundation ditch outwards spill over, have certain dust fall effect to foundation ditch week side. Simultaneously through the planting technique area that sets up between concrete road and foundation ditch, rotatory atomizer on the horizontal plane still sprays the irrigation to the vegetation in the planting technique area, has played the effect of maintenance plant, therefore atomizer has the dual function of dust fall and maintenance plant, satisfies afforestation environmental protection construction theory to the operation environment of job site has been improved.
Drawings
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Reference numerals in the drawings of the specification include: foundation ditch 1, concrete road 2, protection railing 3, raceway 4, outlet pipe 5, atomizer 6, planting area bed course 7, planting soil layer 8, french drain 9, retaining wall 10, interim water supply and drainage pipeline 11, founding muscle 12.
One kind of green structure for job site foundation ditch side among this embodiment, as shown in fig. 1, include foundation ditch 1 and the concrete road 2 that is located the 1 top surface outside of foundation ditch, install protection railing 3 along its length direction on the 1 top surface of foundation ditch, be provided with the planting green area between protection railing 3 and the concrete road 2, the planting green area sets up along 3 length direction of protection railing, the raceway 4 that the level set up is installed along its length direction to the inboard of protection railing 3, raceway 4 has the outlet pipe 5 that many vertical extensions set up at its length direction interval connection, atomizer 6 that can rotate on the horizontal plane is installed on the top of outlet pipe 5, atomizer 6 is used for atomizing dust fall and spraying irrigation to the planting green area to foundation ditch 1 inboard.
The utility model discloses in, before foundation ditch 1 excavation, construct concrete road 2 earlier in foundation ditch 1's the outside, guarantee the transportation of building materials, concrete road 2 forms the back, plant the planting technique area between concrete road 2 and foundation ditch 1 top surface, the concrete width in planting technique area can be according to on-the-spot actual conditions, generally can set up to 1-1.5m wide, the planting technique area is accomplished the back, pour the concrete cushion at foundation ditch 1 top surface, form the installation condition of installation protection railing 3, the protection railing can adopt site standard's steel pipe railing, the protection railing 3 installation of foundation ditch 1 top surface is accomplished the back, arrange raceway 4 along railing 3's length direction, and the interval sets up outlet pipe 5 and atomizer 6 on raceway 4, the earlier stage preparation work of foundation ditch 1 excavation has just been done, then excavation foundation ditch 1. Through a plurality of atomizer 6 that set up in 3 one sides of protection railing in this scheme, can excavate at 1 excavation in-process in foundation ditch and when foundation construction in foundation ditch 1 after 1 excavation of foundation ditch is accomplished, atomize the dust fall through 6 spun water smoke of atomizer to 3 week side's of protection railing foundation ditch 1 local area, effectively reduced the dust in foundation ditch 1 and outwards overflowed, have certain dust fall effect to 1 week side of foundation ditch. Simultaneously through the planting technique area that sets up between concrete road 2 and foundation ditch 1, rotatory atomizer 6 on the horizontal plane still sprays the irrigation to the vegetation in the planting technique area, has played the effect of maintenance plant, therefore atomizer 6 has the dual function of dust fall and maintenance plant, satisfies greening environmental protection construction theory, has improved the operation environment of job site.
In a specific embodiment, the green planting belt comprises a planting soil layer 8 and a planting belt cushion layer 7 from top to bottom, the top surface of the planting soil layer 8 is flush with the concrete road 2, the planting belt cushion layer 7 is flush with a roadbed of the concrete road 2, a blind ditch 9 is formed in the middle of the planting belt cushion layer 7, and the blind ditch 9 is arranged along the length direction of the foundation pit 1; the planting belt cushion layers 7 on the two sides of the blind ditch 9 are respectively provided with slope finding layers for finding slopes towards the direction of the blind ditch 9.
Like this, take bed course 7 through setting up planting to flush with the roadbed face of concrete road 2, planting takes bed course 7 to have the effect of water proof, forms the manger plate face with the road bed of concrete road 2, prevents that external water from corroding road bed and foundation ditch 1. Be provided with the french drain 9 through the middle part position department at planting area bed course 7, thereby atomizer 6 spouts into to the planting area in not by the vegetation totally absorbed water, and the produced rainwater of rainfall can follow planting soil layer 8 downward flow at ordinary times, and flow into in the french drain 9 under the slope effect of looking for the slope layer, the slope of looking for the slope layer can set up to 1% 3%, set up through 7 faces of planting area bed course at french drain 9 both sides and look for the slope layer, can effectively lead to in the french drain 9 with planting in the soil layer 8 unnecessary water, prevent to plant the interior unnecessary water flow of soil layer 8 and to the both sides roadbed that corrodes foundation ditch 1 or concrete road 2, influence the stability of foundation ditch 1 and concrete road 2. Simultaneously will plant and take bed course 7 to be located and plant 8 below soil layers, after later stage building engineering accomplished like this, when needing to break the operation to the concrete road 2 of temporarily building and the concrete bed course of foundation ditch 1 week side, owing to plant and take bed course 7 to hide in planting 8 below soil layers, need not break away planting taking bed course 7 like this, practiced thrift the work load of broken wall greatly, practiced thrift construction cost.
In a specific embodiment, the planting belt cushion layer 7 is further provided with a water diversion layer for primarily filtering water in the planting soil layer 8 and guiding the water into the blind ditch 9, the water diversion layer comprises a plastic drainage plate and a permeable geotextile, the plastic drainage plate is flatly paved on the upper surface of the planting belt cushion layer 7 and is arranged at the position close to the two sides of the blind ditch 9 in a disconnected mode; the permeable geotextile is laid on the plastic drainage plate, and the conical protruding platform on the plastic drainage plate faces the direction of the permeable geotextile so as to form a drainage channel for water in the planting soil layer 8 to flow into the blind ditch 9 together with the permeable geotextile.
Like this, the geotechnological cloth that permeates water has good water guide performance, prevents through setting up the geotechnological cloth that permeates water and plants the earth grit in the soil layer 8 and through getting into the plastics drain bar, has prefilter's effect to avoid the drainage channel to block, guaranteed that the drainage channel drainage is smooth and easy, through circular cone on the plastics drain bar suddenly bench with permeate water geotechnological cloth cooperation, can lead water to in the french drain 9 smoothly through drainage channel.
In a specific embodiment, mortar is applied to two inner side walls and the bottom surface of the blind ditch 9, and a water filtering layer for filtering water flowing into the blind ditch 9 is filled in the blind ditch 9 and is composed of crushed stones, cobblestones and gravels according to a certain particle grading.
Like this, the inside wall and the bottom surface through french drain 9 have been plastered with the mortar, have guaranteed french drain 9's structural integrity, are filled with the drainage layer that rubble, cobblestone and gravel constitute in french drain 9 intussuseption, and the drainage layer can filter the water that flows into the 9 directions of french drain, leads to the existence of filtration water layer, both can guarantee that french drain 9 can not invaded and block up french drain 9 by the earth of planting in the soil layer 8, makes the water of circulation in the french drain 9 for the water after filtering again, the reutilization of the follow-up water of being convenient for.
In a specific embodiment, a plurality of water collecting grooves are arranged at intervals along the length direction of the blind ditch 9, the bottom of each water collecting groove is lower than the bottom of the blind ditch 9, a baffle is covered at the notch of each water collecting groove, and a plurality of water filtering holes are formed in the baffle and used for being isolated from a water filtering layer in the blind ditch; the water collecting tank is internally connected with a water conduit, the end part of one end of the water conduit, which is positioned in the water collecting tank, is covered with a filter screen, the other end of the water conduit is communicated to the water storage tank, and a water suction pump is arranged in the water storage tank and is used for leading water in the water storage tank to the water delivery pipe 4.
Like this, can keep in filterable water in the french drain 9 through the setting of water catch bowl, the leading water pipe of being convenient for leads water to behind the tank and leads raceway 4 through the suction pump to collect the utilization to the rainwater. In addition, although the baffle is arranged at the notch of the water collecting tank, the incompletely-removed silt or broken stone carried in water cannot be completely isolated from entering the water collecting tank, so that the filter screen is arranged at one end of the water conduit positioned in the water collecting tank, and the pipe orifice of the water conduit can be effectively prevented from being blocked.
In a specific embodiment, a retaining wall 10 is built at the joint of the planting soil layer 8 and the foundation pit 1, the retaining wall 10 is built on the planting belt cushion layer 7 and is equal in height to the planting soil layer 8 and is arranged at equal length along the length direction of the foundation pit 1, and waterproof mortar is coated on the wall surface of the retaining wall 10 close to the planting soil layer 8.
Like this, set up retaining wall 10 through handing-over department at planting soil layer 8 and foundation ditch 1, and scribble on being close to the wall of planting soil layer 8 and be smeared with waterproof mortar, can prevent effectively that the water in the planting soil layer 8 from passing retaining wall 10 and getting into in the foundation ditch 1 soil body, influencing the stability of side slope in the foundation ditch 1.
In a specific embodiment, a temporary water supply and drainage pipeline 11 is further laid on the planting belt cushion 7, and the temporary water supply and drainage pipeline 11 is arranged along the length direction of the retaining wall 10.
Like this, because before foundation ditch 1 excavation, the construction site can all relate to tee bend one level, and one level of tee bend wherein just includes interim water supply and drainage pipeline 11's setting, consequently through with the pre-buried setting of interim water supply and drainage pipeline 11 on planting area bed course 7, arranging the in-process in planting green area like this, just pre-buried interim water supply and drainage pipeline 11, just need not dig the slot again and come to lay interim water supply and drainage pipeline 11 and arrange, effectively practiced thrift construction cost.
In the concrete implementation mode, a concrete cushion is poured on the top surface of the foundation pit 1, a plurality of vertical bars 12 are embedded in the concrete cushion along the length direction of the protective barrier 3 at intervals, and the top ends of the vertical bars 12 protrude out of the concrete cushion for being connected and fixed with the inclined struts of the protective barrier 3.
Like this, through pre-buried stud 12 that has on the concrete cushion of 1 top surface of foundation ditch, stud 12 is the twisted steel section, is convenient for like this to be connected fixedly with the bracing that protection railing 3 set up, has improved the overall stability of protection railing 3.
In the specific implementation process, the width of the blind ditch 9 is 300mm-350mm, and the depth is 350mm-400 mm.
Finally, it is noted that the above-mentioned embodiments illustrate rather than limit the invention, and that, while the invention has been described with reference to preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. The utility model provides a greening structure for job site foundation ditch side, includes the foundation ditch and is located the concrete road in the foundation ditch top surface outside, install protection railing, its characterized in that along its length direction on the foundation ditch top surface: it is provided with the planting technique area to prevent between railing and the concrete road, the planting technique area is along preventing railing length direction setting, the raceway that the level set up is installed along its length direction to the inboard of preventing the railing, the raceway has the outlet pipe that many vertical extensions set up at its length direction interval connection, the atomizer that can rotate on the horizontal plane is installed on the top of outlet pipe, atomizer is used for atomizing the dust fall and spray the irrigation to the planting technique area to the foundation ditch inboard.
2. The greening structure for the foundation pit side of construction site as claimed in claim 1, wherein: the greening planting belt comprises a planting soil layer and a planting belt cushion layer from top to bottom, the top surface of the planting soil layer is flush with the concrete road, the planting belt cushion layer is flush with the roadbed of the concrete road, a blind ditch is arranged in the middle of the planting belt cushion layer, and the blind ditch is arranged along the length direction of the foundation pit; the planting belt cushion layers on the two sides of the blind ditch are respectively provided with a slope finding layer for finding slopes towards the blind ditch.
3. The greening structure for the foundation pit side of a construction site as claimed in claim 2, wherein: the planting belt cushion layer is also provided with a water diversion layer for primarily filtering water in the planting soil layer and guiding the water to the blind ditch, the water diversion layer comprises a plastic drainage plate and a permeable geotextile, and the plastic drainage plate is paved on the upper surface of the planting belt cushion layer and is arranged at the position close to the two sides of the blind ditch in a disconnected mode; the permeable geotextile is laid on the plastic drainage plate, and the conical boss on the plastic drainage plate faces the direction of the permeable geotextile so as to form a drainage channel for water in the planting soil layer to flow into the blind ditch together with the permeable geotextile.
4. The greening structure for the foundation pit side of construction site as claimed in claim 3, wherein: mortar is smeared on two inner side walls and the bottom surface of the blind ditch, a water filtering layer for filtering water flowing into the blind ditch is filled in the blind ditch, and the water filtering layer is composed of broken stones, cobblestones and gravels according to a certain particle grading.
5. The greening structure for the foundation pit side of construction site as claimed in claim 4, wherein: the blind ditch is provided with a plurality of water collecting grooves at intervals along the length direction, the bottom of each water collecting groove is lower than the bottom of the blind ditch, a baffle is covered at the notch of each water collecting groove, and a plurality of water filtering holes are formed in the baffle and are used for being isolated from a water filtering layer in the blind ditch; the water collecting tank is internally connected with a water conduit, a filter screen is covered at the end part of one end of the water conduit positioned in the water collecting tank, the other end of the water conduit is communicated to the water storage tank, and a water suction pump is arranged in the water storage tank and used for leading water in the water storage tank to the water delivery pipe.
6. The greening structure for the foundation pit side of a construction site as claimed in claim 2, wherein: and a retaining wall is built at the joint of the planting soil layer and the foundation pit, the retaining wall is built on the planting belt cushion layer and is arranged at the same height as the planting soil layer and at the same length along the length direction of the foundation pit, and waterproof mortar is coated on the wall surface of the retaining wall close to the planting soil layer.
7. The greening structure for the foundation pit side of construction site as claimed in claim 1, wherein: still laid interim water supply and drainage pipe on the planting area bed course, interim water supply and drainage pipe sets up along retaining wall length direction.
8. The greening structure for the foundation pit side of construction site as claimed in claim 1, wherein: the foundation ditch top surface has been pour the concrete cushion, it has many founds to bury along preventing guardrail bar length direction interval on the concrete cushion, founding top protrusion in the concrete cushion aspect for be connected fixedly with the bracing of preventing the guardrail bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021349787.XU CN212877018U (en) | 2020-07-10 | 2020-07-10 | A afforestation structure for job site foundation ditch side |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021349787.XU CN212877018U (en) | 2020-07-10 | 2020-07-10 | A afforestation structure for job site foundation ditch side |
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| Publication Number | Publication Date |
|---|---|
| CN212877018U true CN212877018U (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021349787.XU Active CN212877018U (en) | 2020-07-10 | 2020-07-10 | A afforestation structure for job site foundation ditch side |
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| CN (1) | CN212877018U (en) |
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- 2020-07-10 CN CN202021349787.XU patent/CN212877018U/en active Active
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