CN114775642A - Construction method for foundation pit of pipe gallery channel - Google Patents
Construction method for foundation pit of pipe gallery channel Download PDFInfo
- Publication number
- CN114775642A CN114775642A CN202210434262.3A CN202210434262A CN114775642A CN 114775642 A CN114775642 A CN 114775642A CN 202210434262 A CN202210434262 A CN 202210434262A CN 114775642 A CN114775642 A CN 114775642A
- Authority
- CN
- China
- Prior art keywords
- disc
- rod
- cylinder
- foundation pit
- drainage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000010276 construction Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 238000009412 basement excavation Methods 0.000 claims abstract description 11
- 238000007599 discharging Methods 0.000 claims abstract description 6
- 239000004744 fabric Substances 0.000 claims description 52
- 238000005192 partition Methods 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 12
- 238000005086 pumping Methods 0.000 claims description 9
- 210000001503 joint Anatomy 0.000 claims description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims 3
- 241001330002 Bambuseae Species 0.000 claims 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 3
- 239000011425 bamboo Substances 0.000 claims 3
- 230000000694 effects Effects 0.000 abstract description 3
- 239000010813 municipal solid waste Substances 0.000 description 6
- 238000001914 filtration Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/06—Foundation trenches ditches or narrow shafts
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/02—Restraining of open water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/08—Restraining of underground water by employing open ditches arranged below the level of the water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/10—Tunnels or galleries specially adapted to house conduits, e.g. oil pipe-lines, sewer pipes ; Making conduits in situ, e.g. of concrete ; Casings, i.e. manhole shafts, access or inspection chambers or coverings of boreholes or narrow wells
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Abstract
The application discloses a pipe gallery channel foundation pit construction method, which relates to the technical field of pipe gallery construction and comprises the following steps; s1, surveying and setting out according to a design drawing, determining an excavation sequence and a gradient, and excavating a first drainage ditch on the ground of a slope top; s2, carrying out layered excavation according to the paying-off section, controlling the layered thickness within 3m, and carrying out support construction after each layer is excavated; s3, excavating second drainage ditches on two sides of the bottom of the foundation pit, arranging water collection wells in the second drainage ditches at intervals, placing a drainage device in each water collection well, and discharging water in the water collection wells into the first drainage ditches by the drainage devices; and S4, carrying out slope repairing and bottom clearing, and carrying out slope ending. This application can improve the filter effect to silt in the water to convenient clearance.
Description
Technical Field
The application relates to the technical field of pipe gallery construction, in particular to a pipe gallery channel foundation pit construction method.
Background
The pipe gallery is an underground city pipeline comprehensive corridor, is a new industrial project in construction engineering, and has more and more extensive application in city infrastructure. In the construction process of a pipe gallery, excavation of earth, backfilling and tamping of a foundation pit, construction of a concrete cushion layer, and reinforcement and pouring of a structural gallery body are generally required.
The existing Chinese patent application with the application number of 201810640958.5 discloses a drainage structure for a foundation pit of an urban underground comprehensive pipe gallery and a construction method thereof.
Rainwater can carry a lot of silt and some rubbish etc. in flowing into the sump pit, and in use, silt and rubbish block up the water pump very easily, influence the life of water pump easily.
Disclosure of Invention
In order to improve the service life of the interception effect of the garbage in the water body so as to improve the water pump, the application provides a pipe gallery channel foundation pit construction method.
The application provides a pipe gallery channel foundation pit construction method, which adopts the following technical scheme:
a construction method of a pipe gallery channel foundation pit comprises the following steps;
s1, measuring and setting out lines according to a design drawing, determining an excavation sequence and a gradient, and excavating a first drainage ditch on the ground of a slope top;
s2, carrying out layered excavation according to the paying-off section, controlling the layered thickness within 3m, and carrying out support construction after each layer is excavated;
s3, excavating second drainage ditches on two sides of the bottom of the foundation pit, arranging water collection wells in the second drainage ditches at intervals, placing a drainage device in each water collection well, and discharging water in the water collection wells into the first drainage ditches by the drainage devices;
s4, carrying out slope repairing and bottom clearing, and ending the slope;
the drainage device in the step S3 includes a cylinder, the side wall of the cylinder is uniformly provided with holes, a partition plate is arranged in the cylinder, the partition plate is uniformly provided with water leakage holes, an accommodating cavity is formed between the partition plate and the bottom surface of the cylinder, a water pumping member is arranged in the accommodating cavity, and a drainage pipe connected to the water pumping member penetrates through the side wall of the accommodating cavity and extends into the first drainage ditch; the filter element is arranged on the partition plate and comprises a first disc and a second disc, the outer diameter of the first disc is larger than that of the second disc, intercepting cloth is arranged in the inner cavity of the second disc, vertical rods are vertically arranged on the partition plate, and the second disc is vertically connected to the vertical rods in a sliding manner;
the upper surface of the first disc is detachably provided with a connecting ring, the lower surface of the second disc is detachably provided with a positioning ring, the connecting ring is provided with a first filter cloth, one end of the first filter cloth is connected to the second disc, the upper surface of the first disc is provided with a second filter cloth, the other end of the second filter cloth is connected to the positioning ring, the side wall of the vertical rod is provided with a positioning piece for positioning the positioning ring, and the inner wall of the cylinder is provided with an abutting component for positioning the first disc; the abutting components are arranged in two groups and distributed along the vertical direction, and the upper surface of the first disc is provided with extending rods which penetrate through the connecting rings and extend upwards; when the second disc is positioned by the positioning piece, the first disc is positioned by the abutting assembly below, the first filter cloth and the second filter cloth are tensioned between the first disc and the second disc, the height of the second disc is higher than that of the first disc, and the second filter cloth is positioned in a space formed by the first filter cloth; when the second dish when vertical pole direction lapse, through the first dish upward movement of extension rod drive, first dish is fixed a position through the butt subassembly that is located the top, the drum inner wall is provided with the guide for first dish moves along vertical direction.
By adopting the technical scheme, the water pumping piece is placed in the accommodating cavity, water in the water collecting well can enter the cylinder through the opening and flow into the accommodating cavity through the partition plate, and the water is pumped out through the water pumping piece; when water is pumped, the first disc is positioned through the abutting assembly at the lower part, the second disc is connected with the positioning ring, and the positioning part can position the positioning ring, so that the first disc and the second disc form a circular table structure similar to a circular table structure with a small upper end and a large lower end; the first filter cloth and the second filter cloth can filter and intercept water for the second time, and the first filter cloth is positioned on the outer side at the moment; when needs clear up, second dish and holding ring slide down along the montant, and first dish upwards slides and fix a position through the butt subassembly to make first dish and second dish become the big little round platform structure in lower extreme in upper end, and first filter cloth becomes the inboard that is located the round platform, and the interception cloth becomes the bottom surface, take off go-between and second dish and can take out first filter cloth and clear up.
Optionally, the montant rotates to be set up in the baffle, the setting element including set up in the first lug of the lateral wall of montant, set up the perforation that is used for supplying the montant to wear to establish on the holding ring, the groove of stepping down that is used for supplying first lug to pass through is all seted up in the perforation, be provided with the lifting cylinder on the holding ring, the second dish is worn to establish by the lifting cylinder, the internal diameter of lifting cylinder allows first lug to pass through.
Through adopting above-mentioned technical scheme, when first lug misplaced with the groove of stepping down mutually, first lug supported the holding ring to support the second dish, first lug coincided with the groove of stepping down mutually, can slide downwards under the action of gravity of solid fixed ring and second dish.
Optionally, a second protruding block is arranged on the side wall of the lower end of the vertical rod, a clamping groove is formed in the inner wall of the through hole in the positioning ring, and the vertical rod is rotated to enable the second protruding block to be clamped in the clamping groove.
Through adopting above-mentioned technical scheme, solid fixed ring after the lapse, rotate the montant and can make the second lug joint in the joint groove to make solid fixed ring be difficult to slide at will.
Optionally, a first tube is arranged on the connecting ring, the extension rod penetrates through the first tube, and a second tube is arranged on the upper surface of the second disc.
By adopting the technical scheme, the connecting ring can be pulled to move through the first cylinder, and the second disk can be pulled to move through the second cylinder, so that the connecting ring and the second disk can be pulled out in the process of operation conveniently.
Optionally, the guide member includes a plurality of guide rods disposed on the upper surface of the partition plate, the guide rods are uniformly disposed along the circumferential direction of the partition plate, and the first plate is provided with a slot through which the guide rods penetrate.
Through adopting above-mentioned technical scheme, the guide bar is worn to establish the fluting, and the guide bar is provided with a plurality ofly, can be so that first dish gliding more stable from top to bottom under the effect of guide bar.
Optionally, the fluting internal rotation is provided with rotates the wheel, the lateral wall that rotates the wheel is provided with the tooth, the guide bar is provided with the tooth on one side towards the drum inner wall, it passes through the tooth meshing to rotate wheel and guide bar, the trompil extends along drum axis direction, evenly be provided with the brush hair on the outer wall that rotates the wheel, the brush hair evenly sets up along the circumference that rotates the wheel, works as when first dish upward movement, it can rotate to rotate the wheel, and the motion path of brush hair passes through the trompil.
Through adopting above-mentioned technical scheme, the gliding in-process upwards of first dish, the brush hair can rotate to in the space that impurity scrapers such as impurity in the trompil first filter cloth of scraper and interception cloth formed.
Optionally, the abutting assembly comprises a first rod arranged on the inner wall of the cylinder and a second rod connected in the first rod in a sliding manner, a spring is arranged in the first rod, one end of the spring is connected to the inner end face of the first rod, the other end of the spring is connected to the end face of the second rod, and an abutting groove used for abutting against the end portion of the second rod is formed in the side wall of the first disc.
Through adopting above-mentioned technical scheme, under the spring action of spring, the tip butt of second pole is in the butt joint inslot to fix a position first dish.
Optionally, one end of the second rod, which is far away from the first rod, is of an arc structure.
Through adopting above-mentioned technical scheme, the tip butt of better drive second pole is in butt joint groove.
In summary, the present application includes at least one of the following advantages:
1. in the foundation ditch of construction, first filter cloth and second filter cloth can carry out two-layer filtration, and the possibility that the piece that draws water that significantly reduces blockked up when clearing up, first filter cloth can become big end down's round platform structure to original outer wall becomes the inner wall, when taking out the clearance with first filter cloth, can reduce the rubbish on the first filter cloth and drop in the drum.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present application;
FIG. 2 is a schematic view of a drain in an embodiment of the present application;
FIG. 3 is a schematic view showing an internal structure of a drain device according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a perforation embodied in an embodiment of the present application;
FIG. 5 is an enlarged schematic view at A in FIG. 4;
FIG. 6 is a schematic view of the first disk and the connection ring in the embodiment of the present application;
fig. 7 is an enlarged schematic view B of fig. 6.
Description of reference numerals: 1. a first drain ditch; 2. a water collecting well; 3. a water discharge device; 31. a cylinder; 32. a water pumping member; 4. a partition plate; 5. opening a hole; 6. a water leakage hole; 7. an accommodating chamber; 8. a drain pipe; 9. a filter member; 91. a first disk; 92. a second disc; 93. a first filter cloth; 94. a second filter cloth; 10. intercepting cloth; 11. a vertical rod; 12. a connecting ring; 13. a positioning ring; 15. an abutment assembly; 151. a first lever; 152. a second lever; 153. a spring; 154. a butt joint groove; 16. an extension rod; 17. a first bump; 18. perforating; 19. a yielding groove; 20. lifting the cylinder; 21. a second bump; 22. a first cartridge; 23. a second cartridge; 24. a guide bar; 25. grooving; 26. a clamping groove; 27. a rotating wheel; 28. brushing; 29. a second drain ditch; 30. and a ring groove.
Detailed Description
The present application is described in further detail below with reference to figures 1-7.
The embodiment of the application discloses a method for constructing a foundation pit of a pipe gallery channel, which comprises the following steps;
s1, surveying and setting out according to a design drawing, determining an excavation sequence and a slope, and excavating a first drainage ditch 1 on the ground of a slope top by referring to FIG. 1 to prevent ground water from flowing into a foundation pit to scour a side slope;
s2, carrying out layered excavation according to the paying-off section, controlling the layered thickness within 3m according to the excavation gradient requirement meeting the construction specification, and carrying out support construction in the modes of soil nails, anchor rods and the like after each layer of excavation;
s3, excavating second drainage ditches 29 on two sides of the bottom of the foundation pit, arranging water collection wells 2 in the second drainage ditches 29 at intervals, placing a drainage device 3 in each water collection well 2, and discharging water in the water collection wells 2 into the first drainage ditch 1 by the drainage devices 3;
and S4, repairing the slope and clearing the bottom, ending the slope, excavating the foundation pit to the pit bottom elevation, and then timely constructing the cushion layer, wherein the cushion layer is suitable for being poured to the slope toe.
Referring to fig. 2 and 3, the drainage device 3 comprises a cylinder 31, the side wall of the cylinder 31 is uniformly provided with openings 5, the inner wall of the cylinder 31 is also provided with a partition plate 4, the partition plate 4 is uniformly provided with water leakage holes 6, and a gap exists between the partition plate 4 and the bottom surface of the cylinder 31 so as to form an accommodating cavity 7. The water pumping piece 32 is placed in the accommodating cavity 7, the water pumping piece 32 is a water pump, and the water discharging pipe 8 connected with the water pump penetrates through the side wall of the cylinder 31 and extends into the first water discharging ditch 1. The water in the water collecting well 2 enters the cylinder 31 through the opening 5 and flows into the accommodating chamber 7 through the water leakage hole 6 to be pumped by the water pump.
Referring to fig. 2 and 3, a filter member 9 is further installed in the cylinder 31, and the filter member 9 is used for intercepting silt and garbage in the water body. The filter member 9 includes a first disk 91 and a second disk 92, the first disk 91 and the second disk 92 are both of a circular ring structure, and the outer diameter of the first disk 91 is larger than that of the second disk 92.
The upper surface of the first disc 91 is provided with a connecting ring 12, the connecting ring 12 and the first disc 91 are coaxially arranged, the lower surface of the second disc 92 is provided with a positioning ring 13, the positioning ring 13 and the second disc 92 are coaxially arranged, and the inner wall of the second disc 92 is fixed with the intercepting cloth 10. Two vertical rods 11 are vertically arranged on the partition plate 4, the vertical rods 11 are symmetrically arranged, and the vertical rods 11 penetrate through the positioning ring 13 and the second disc 92, so that the second disc 92 and the positioning ring 13 can vertically slide along the vertical rods 11. The vertical two extension rods 16 that are fixed with of first dish 91 upper surface, extension rod 16 slide and wear to establish go-between 12, and extension rod 16 evenly sets up along first dish 91 circumference, can stimulate first dish 91 through extension rod 16 and slide from top to bottom.
A first filter cloth 93 is installed on the connection ring 12, the other end of the first filter cloth 93 is connected to the second disc 92, a second filter cloth 94 is connected to the upper surface of the first disc 91, and the other end of the second filter cloth 94 is connected to the positioning ring 13. The side wall of the vertical rod 11 is provided with a positioning piece for positioning the positioning ring 13. In use, the first disc 91 is located on the upper surface of the partition board 4, the positioning ring 13 is located on the side wall of the vertical rod 11 through the positioning member, so that the first disc 91 and the second disc 92 form a circular truncated cone-shaped structure with a small top and a big bottom, and the second filter cloth 94 is located in the inner cavity of the first filter cloth 93. The first filter cloth 93 and the second filter cloth 94 can perform secondary intercepting filtration on the water body.
When the second disc 92 and the positioning ring 13 slide downwards, and the first disc 91 and the connecting ring 12 slide upwards, the first disc 91 and the second disc 92 can form a circular truncated cone structure with a large top and a small bottom, and the first filter cloth 93 can be changed from the original outer side to the inner side, and the connecting ring 12 and the second disc 92 are removed, that is, the first filter cloth 93 can be removed for cleaning.
Referring to fig. 3 and 4, the positioning element includes a first protrusion 17 fixed on the side wall of the vertical rod 11, the positioning ring 13 is provided with a through hole 18 for the vertical rod 11 to pass through, and referring to fig. 5, an abdicating groove 19 is provided on the inner wall of the through hole 18, the vertical rod 11 is rotatably mounted on the partition plate 4 through bearings and other manners, and when the first protrusion 17 and the abdicating groove 19 are aligned, the second plate 92 and the positioning ring 13 can be allowed to slide up and down. A pulling barrel 20 is fixed on the upper surface of the positioning ring 13, the pulling barrel 20 has an internal hollow structure, the vertical rod 11 penetrates through the pulling barrel 20, and the inner diameter of the pulling barrel 20 is a size allowing the first protruding block 17 to pass through, so that the vertical sliding of the positioning ring 13 is not affected. When it is necessary to slide the second disc 92 and the positioning ring 13 downward, the vertical rod 11 is rotated so that the first protrusion 17 and the relief groove 19 coincide, and the second disc 92 and the positioning ring 13 slide downward under the action of gravity. When the positioning ring 13 needs to be slid upwards, the positioning ring 13 can be driven to slide upwards by pulling the pulling cylinder 20 upwards, and the second disk 92 is driven to move upwards.
Referring to fig. 3 and 5, further, a second protrusion 21 is fixed on a side wall of a lower end of the vertical rod 11, a clamping groove 26 is formed on an inner wall of the through hole 18, and the clamping groove 26 is communicated with the abdicating groove 19. When the positioning ring 13 slides on the partition board 4, the vertical rod 11 is rotated to clamp the second protrusion 21 in the clamping groove 26, so as to position the positioning ring 13.
Referring to fig. 3 and 6, a guide is installed between the cylinder 31 and the first plate 91, and the extension bar 16 extends upward and slidably penetrates the connection ring 12. The first disc 91 is moved upward by pulling the extension rod 16 upward, and the connection ring 12 can be moved upward together. An abutment assembly 15 for positioning the first plate 91 is provided on the inner wall of the cylinder 31. The butt components 15 are provided with two sets, two ring grooves 30 are formed in the inner wall of the cylinder 31, the butt components 15 are respectively installed in the ring grooves 30, and a plurality of butt components 15 are installed in each ring groove 30. The positioning can be carried out by the abutment assembly 15 both when the first plate 91 is on the upper surface of the partition 4 and after the first plate 91 is pulled upwards. The connecting ring 12 has a first cylinder 22 mounted on an upper surface thereof, the extension rod 16 passes through the first cylinder 22, and the second disc 92 has a second cylinder 23 mounted on an upper surface thereof. After the first disk 91 slides up and the positioning ring 13 slides down, the connecting ring 12 and the second disk 92 can be pulled out upward by the first cylinder 22 and the second cylinder 23.
Referring to fig. 6 and 7, the abutment assembly 15 is provided in plurality uniformly along the circumference of the cylinder 31. The abutting assembly 15 comprises a first rod 151 fixed on the inner wall of the cylinder 31, the first rod 151 is of an internal hollow structure, a second rod 152 is connected in the first rod 151 in a sliding mode, a spring 153 is installed on the inner end face of the first rod 151, and the other end of the spring 153 is connected to the end face of the second rod 152. The first plate 91 has a side wall formed with an abutting groove 154, and an end surface of the second lever 152 can abut against the abutting groove 154 by an elastic force of the spring 153. Further, the end of the second rod 152 is an arc-shaped structure, which facilitates the insertion of the second rod 152 into the abutting groove 154.
Referring to fig. 6, the guide member includes a plurality of guide rods 24 fixed to the upper surface of the partition board 4, and the guide rods 24 are uniformly arranged along the circumferential direction of the partition board 4. The first disc 91 is provided with a slot 25 through which the guide rod 24 passes, the first disc 91 moves up and down more stably under the action of the guide rod 24, the guide rod 24 also passes through the connecting ring 12, and the connecting ring 12 is correspondingly provided with a cavity through which the guide rod passes.
Referring to fig. 1 and 7, further, the openings 5 are of an elongated structure and extend along the axial direction of the cylinder 31, and the slots 25 correspond to the openings 5 one by one. A rotating wheel 27 is rotatably connected to the slot 25, teeth are uniformly arranged on one side of the guide rod 24 close to the rotating wheel 27, teeth are also arranged on the side wall of the rotating wheel 27, and the rotating wheel 27 is meshed with the guide rod 24 through the teeth. When the first disc 91 moves upward, the rotating wheel 27 can rotate. The side wall of the rotating wheel 27 is also uniformly fixed with bristles 28, the bristles 28 are uniformly arranged along the circumferential direction of the rotating wheel 27, and when the rotating wheel 27 rotates, the moving path of the bristles 28 passes through the opening 5, so that the garbage in the opening 5 is swept out, and finally falls into the space formed by the first filter cloth.
The implementation principle of the pipe gallery channel foundation pit construction method in the embodiment of the application is as follows: after the foundation pit construction is finished, the filtering piece 9 is placed in the water collecting well 2, when water is drained at ordinary times, the first disc 91 is located on the partition plate 4 and is located through the abutting component 15 below, the second disc 92 is higher than the first disc 91, and the first lug 17 abuts against the lower surface of the locating ring 13, so that the first disc 91 and the second disc 92 form a circular truncated cone structure with a small upper part and a large lower part, and the first filtering cloth is located on the outer side of the second filtering cloth.
After the filter cloth is used for a period of time, the outer side of the first filter cloth is easily blocked, the vertical rod 11 is rotated to enable the first convex block 17 to coincide with the abdicating groove 19, the second disc 92 and the positioning ring 13 can slide downwards under the action of gravity, and then the vertical rod 11 is rotated to enable the second convex block 21 to be clamped in the clamping groove 26; the holding extension rod 16 pulls the first disk 91 upwards, so that the first disk 91 can move upwards and be positioned by the upper abutting assembly 15, at this time, the first disk 91 and the second disk 92 form a circular table structure with a large top and a small bottom, and the first filter cloth becomes located at the inner side, and the connecting ring 12 and the second disk 92 can be pulled out through the first cylinder 22 and the second cylinder 23 to clean the first filter cloth.
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 (8)
1. A method for constructing a pipe gallery channel foundation pit is characterized by comprising the following steps: comprises the following steps;
s1, surveying and setting out according to a design drawing, determining an excavation sequence and a gradient, and excavating a first drainage ditch (1) on the ground of the top of the slope;
s2, carrying out layered excavation according to the paying-off section, controlling the layered thickness within 3m, and carrying out support construction after each layer is excavated;
s3, digging second drainage ditches (29) at two sides of the bottom of the foundation pit, arranging water collecting wells (2) in the second drainage ditches (29) at intervals, placing a drainage device (3) in each water collecting well (2), and discharging water in the water collecting wells (2) into the first drainage ditches (1) by the drainage devices (3);
s4, carrying out slope repairing and bottom clearing, and ending the slope;
the drainage device (3) in the step S3 comprises a cylinder (31), wherein holes (5) are uniformly formed in the side wall of the cylinder (31), a partition plate (4) is arranged in the cylinder (31), water leakage holes (6) are uniformly formed in the partition plate (4), an accommodating cavity (7) is formed between the partition plate (4) and the bottom surface of the cylinder (31), a water pumping piece (32) is arranged in the accommodating cavity (7), and a drainage pipe (8) connected to the water pumping piece (32) penetrates through the side wall of the accommodating cavity (7) and extends into a first drainage ditch (1); the filter piece (9) is arranged on the partition board (4), the filter piece (9) comprises a first disc (91) and a second disc (92), the outer diameter of the first disc (91) is larger than that of the second disc (92), intercepting cloth (10) is arranged in the inner cavity of the second disc (92), vertical rods (11) are vertically arranged on the partition board (4), and the second disc (92) is vertically and slidably connected to the vertical rods (11);
the upper surface of the first disc (91) is detachably provided with a connecting ring (12), the lower surface of the second disc (92) is detachably provided with a positioning ring (13), a first filter cloth is arranged on the connecting ring (12), one end of the first filter cloth is connected to the second disc (92), a second filter cloth is arranged on the upper surface of the first disc (91), the other end of the second filter cloth is connected to the positioning ring (13), the side wall of the vertical rod (11) is provided with a positioning piece (14) for positioning the positioning ring (13), and the inner wall of the cylinder (31) is provided with an abutting component (15) for positioning the first disc (91); the abutting components (15) are provided with two groups and are distributed along the vertical direction, and the upper surface of the first disc (91) is provided with extending rods (16) which penetrate through the connecting ring (12) and extend upwards; when the second disc (92) is positioned by the positioning part (14), the first disc (91) is positioned by the lower abutting assembly (15), the first filter cloth and the second filter cloth are tensioned between the first disc (91) and the second disc (92), the second disc (92) is higher than the first disc (91) and the second filter cloth is positioned in a space formed by the first filter cloth; when the second disc (92) slides downwards along the direction of the vertical rod (11), the first disc (91) is driven to move upwards through the extension rod (16), the first disc (91) is positioned through the abutting assembly (15) positioned above, and the inner wall of the cylinder (31) is provided with a guide piece, so that the first disc (91) moves along the vertical direction.
2. The method for constructing the pipe gallery channel foundation pit according to claim 1, wherein: montant (11) rotate to set up in baffle (4), setting element (14) including set up in first lug (17) of the lateral wall of montant (11), offer on holding ring (13) and be used for supplying perforation (18) that montant (11) wore to establish, perforation (18) are all offered and are used for supplying groove of stepping down (19) that first lug (17) passed through, be provided with on holding ring (13) and carry a section of thick bamboo (20), carry a section of thick bamboo (20) and wear to establish second dish (92), carry a section of thick bamboo (20) internal diameter and allow first lug (17) to pass through.
3. The method for constructing the pipe gallery channel foundation pit according to claim 2, wherein: be provided with second lug (21) on the lower extreme lateral wall of montant (11), perforation (18) inner wall on holding ring (13) is provided with joint groove (26), rotates montant (11) second lug (21) can joint in joint groove (26).
4. The method for constructing the foundation pit of the pipe gallery channel as claimed in claim 3, wherein: the connecting ring (12) is provided with a first cylinder (22), the extension rod (16) penetrates through the first cylinder (22), and the upper surface of the second disc (92) is provided with a second cylinder (23).
5. The method for constructing the foundation pit of the pipe gallery channel as claimed in claim 3, wherein: the guide piece is including setting up guide bar (24) in baffle (4) upper surface, guide bar (24) evenly are provided with a plurality ofly along the circumference of baffle (4), set up fluting (25) that are used for supplying guide bar (24) to wear to establish on first dish (91).
6. The method for constructing the pipe gallery channel foundation pit according to claim 5, wherein: the utility model discloses a hair brush, including fluting (25), guide bar (31), guide wheel (27), guide bar (24), guide wheel (27), guide bar (91), slotted wheel (27), slotted wheel (25) internal rotation is provided with rotates wheel (27), the lateral wall that rotates wheel (27) is provided with the tooth, guide bar (24) is provided with the tooth on one side towards drum (31) inner wall, it passes through the tooth meshing to rotate wheel (27) and guide bar (24), trompil (5) extend along drum (31) axis direction, evenly be provided with brush hair (28) on the outer wall of rotation wheel (27), brush hair (28) evenly set up along the circumference of rotating wheel (27), work as during first dish (91) upward movement, it can rotate to rotate wheel (27), and the motion path of brush hair (28) passes through trompil (5).
7. The method for constructing the pipe gallery channel foundation pit according to claim 6, wherein: the butt joint component (15) comprises a first rod (151) arranged on the inner wall of the cylinder (31) and a second rod (152) connected in the first rod (151) in a sliding mode, a spring (153) is arranged in the first rod (151), one end of the spring (153) is connected to the inner end face of the first rod (151), the other end of the spring is connected to the end face of the second rod (152), and a butt joint groove (154) used for enabling the end portion of the second rod (152) to abut against is formed in the side wall of the first disc (91).
8. The method for constructing the pipe gallery channel foundation pit according to claim 7, wherein: one end of the second rod (152) far away from the first rod (151) is of an arc-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210434262.3A CN114775642B (en) | 2022-04-24 | 2022-04-24 | Construction method for foundation pit of pipe gallery channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210434262.3A CN114775642B (en) | 2022-04-24 | 2022-04-24 | Construction method for foundation pit of pipe gallery channel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114775642A true CN114775642A (en) | 2022-07-22 |
| CN114775642B CN114775642B (en) | 2024-02-06 |
Family
ID=82433998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210434262.3A Active CN114775642B (en) | 2022-04-24 | 2022-04-24 | Construction method for foundation pit of pipe gallery channel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114775642B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208293594U (en) * | 2018-05-10 | 2018-12-28 | 浙江赫元建设有限公司 | A kind of deep-well precipitation device |
| CN210917423U (en) * | 2019-09-23 | 2020-07-03 | 中恒辉建设有限公司 | Drainage structures falls in foundation ditch |
| CN111809604A (en) * | 2020-06-24 | 2020-10-23 | 四川安格建筑有限公司 | High-water-level soft foundation drainage construction device and method thereof |
| CN111945761A (en) * | 2020-08-11 | 2020-11-17 | 中化明达(福建)地质勘测有限公司 | Soft soil foundation treatment device and using method thereof |
| CN112095645A (en) * | 2020-10-20 | 2020-12-18 | 福建中设工程咨询有限公司 | Drainage structure and drainage method for building foundation pit |
| CN213508523U (en) * | 2020-10-24 | 2021-06-22 | 福建华航建设集团有限公司 | Foundation pit drainage structure |
| CN215232677U (en) * | 2021-04-01 | 2021-12-21 | 赵俊哲 | Foundation ditch drainage filter equipment for construction |
| CN114033019A (en) * | 2021-11-16 | 2022-02-11 | 浙江恒宸建设集团有限公司 | Basement sump structure and construction method thereof |
-
2022
- 2022-04-24 CN CN202210434262.3A patent/CN114775642B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208293594U (en) * | 2018-05-10 | 2018-12-28 | 浙江赫元建设有限公司 | A kind of deep-well precipitation device |
| CN210917423U (en) * | 2019-09-23 | 2020-07-03 | 中恒辉建设有限公司 | Drainage structures falls in foundation ditch |
| CN111809604A (en) * | 2020-06-24 | 2020-10-23 | 四川安格建筑有限公司 | High-water-level soft foundation drainage construction device and method thereof |
| CN111945761A (en) * | 2020-08-11 | 2020-11-17 | 中化明达(福建)地质勘测有限公司 | Soft soil foundation treatment device and using method thereof |
| CN112095645A (en) * | 2020-10-20 | 2020-12-18 | 福建中设工程咨询有限公司 | Drainage structure and drainage method for building foundation pit |
| CN213508523U (en) * | 2020-10-24 | 2021-06-22 | 福建华航建设集团有限公司 | Foundation pit drainage structure |
| CN215232677U (en) * | 2021-04-01 | 2021-12-21 | 赵俊哲 | Foundation ditch drainage filter equipment for construction |
| CN114033019A (en) * | 2021-11-16 | 2022-02-11 | 浙江恒宸建设集团有限公司 | Basement sump structure and construction method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114775642B (en) | 2024-02-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212742596U (en) | Building foundation pit drainage system | |
| CN112609684A (en) | Foundation pile concrete cast-in-situ bored pile structure and construction method thereof | |
| EP1770219B1 (en) | Method and equipment for making an impermeable diaphragm of secant piles | |
| CN108978664A (en) | Remove the device and its application method of cast-in-situ bored pile casing inner wall mud | |
| CN214940874U (en) | Basement drainage structure | |
| CN114775642B (en) | Construction method for foundation pit of pipe gallery channel | |
| CN111733847B (en) | A hydrophobic water guide device for foundation ditch construction | |
| CN113756349B (en) | Foundation pit drainage structure and construction method thereof | |
| CN114032937B (en) | Foundation pit drainage device and construction method thereof | |
| KR100991472B1 (en) | A build up method of horizontal catchment pipe for bank filtered water by boring and thrust | |
| CN115182368A (en) | Earthwork construction method suitable for rainy season | |
| JP4413454B2 (en) | Composite pile construction method, diameter expansion device, and inter-pile cutting device | |
| CN109707006B (en) | Shifting fork type silt-preventing recharging system applied to river channel | |
| CN114000476A (en) | Surface layer tamping device and ditch cleaning tamping method for farmland drainage ditch | |
| JPH11100870A (en) | Water intake tunnel and segment | |
| CN209040780U (en) | A kind of environmental-friendly circulation device of hardened place prospecting | |
| CN108487233B (en) | Construction method of underground continuous wall with I-shaped steel joint | |
| CN213709497U (en) | Container for construction of long spiral cast-in-place pile | |
| JP4465029B1 (en) | Rainwater infiltration mine excavator, rainwater infiltration pipe laying method and rainwater infiltration structure | |
| CN218322760U (en) | Regional tubular pile of high water level sand bed draws core instrument fast | |
| CN220336834U (en) | Drilling device for cast-in-place pile construction | |
| CN114108729B (en) | Pipeline burying and channeling device for hydraulic engineering and implementation method thereof | |
| CN218373893U (en) | A building site excavation supporting device for municipal works | |
| CN216839362U (en) | Reinforced CFG pile composite foundation | |
| CN216839467U (en) | Integrated prefabricated tubular pile structure for deep foundation pit supporting and dewatering |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |