CN114150688A - Stagnant water envelope of soft soil foundation building foundation ditch - Google Patents
Stagnant water envelope of soft soil foundation building foundation ditch Download PDFInfo
- Publication number
- CN114150688A CN114150688A CN202111314552.6A CN202111314552A CN114150688A CN 114150688 A CN114150688 A CN 114150688A CN 202111314552 A CN202111314552 A CN 202111314552A CN 114150688 A CN114150688 A CN 114150688A
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- Prior art keywords
- inner frame
- soft soil
- splicing
- ladder
- screw rod
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- 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.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 239000002689 soil Substances 0.000 title claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 26
- 239000010959 steel Substances 0.000 claims abstract description 26
- 230000003014 reinforcing effect Effects 0.000 claims description 13
- 238000010276 construction Methods 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000009193 crawling Effects 0.000 description 15
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Classifications
-
- 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
- E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
- E02D19/18—Restraining of underground water by damming or interrupting the passage of underground water by making use of sealing aprons, e.g. diaphragms made from bituminous or clay material
-
- 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
- E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
- E02D19/18—Restraining of underground water by damming or interrupting the passage of underground water by making use of sealing aprons, e.g. diaphragms made from bituminous or clay material
- E02D19/185—Joints between sheets constituting the sealing aprons
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Foundations (AREA)
Abstract
The invention discloses a water-stopping enclosure structure of a soft soil foundation building foundation pit in the field of buildings, which comprises a water-stopping curtain, wherein the water-stopping curtain comprises steel plates and splicing corners, an inner frame is arranged on the inner side of the water-stopping curtain, a plurality of fixing holes are formed in the left end wall and the right end wall of the inner frame, bolts penetrate through the fixing holes and are fixedly connected with the steel plates or the splicing corners, a cross post is arranged in the middle of the inner frame and is fixedly connected with the fixing holes, oblique rods are fixedly arranged at corners of the inner frame, two ends of each oblique rod are fixed on the inner frame by adopting a bolt structure, an adjusting screw rod is arranged in the middle of each cross post, two ends of each adjusting screw rod are in threaded connection with a left cross post and a right cross post, an adjusting nut is arranged on each adjusting screw rod, the length of each cross post is adjusted by rotating the adjusting nut, and the steel plates on two sides are tightly jacked. This stagnant water envelope of soft soil foundation building foundation ditch realizes standardization and the modularization of part, and the ann tears open more conveniently.
Description
Technical Field
The invention relates to the field of buildings, in particular to a water-stopping enclosure structure of a soft soil foundation building foundation pit.
Background
The waterproof curtain is a general name of a waterproof series at the periphery of an engineering main body, and a waterproof enclosure structure of a foundation pit of the soil foundation building is used for preventing or reducing continuous water stopping bodies which are adopted by underground water flowing into the foundation pit from the side wall of the foundation pit and the bottom of the foundation pit.
In the prior art, the water-stopping enclosure structure of a common soil foundation building foundation pit is incomplete in function, inconvenient to erect and install, incapable of forming standardized modular installation and incapable of being reused, and when constructors construct in the water-stopping enclosure, the water-stopping enclosure structure is not easy to pass in and out, brings great invariance to the constructors, causes low functionality, and cannot meet construction requirements.
Disclosure of Invention
The invention aims to provide a water-stopping enclosure structure of a soft soil foundation building foundation pit, which realizes standardization and modularization of components and is more convenient to install and dismantle.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a stagnant water envelope of weak soil foundation building foundation ditch, includes the stagnant water curtain, the stagnant water curtain includes steel sheet and concatenation angle, the inside casing is installed to stagnant water curtain inboard, both ends wall all is equipped with a plurality of fixed orificess about the inside casing, the bolt pass the fixed orifices with steel sheet or concatenation angle fixed connection, the middle part is equipped with the spreader in the inside casing, and the spreader is connected and is fixed in fixed orifices department, the inside casing corner is consolidated and is provided with the down tube, and the both ends of down tube adopt bolted construction to fix on the inside casing, the spreader middle part is equipped with adjusting screw, left spreader of adjusting screw both ends threaded connection and right spreader, adjusting screw installs adjusting nut on the last length of adjusting nut adjusting spreader, and then tightly the steel sheet top of both sides.
Preferably, the steel sheet includes the L shape piece of integrated into one piece's U-shaped main part and both sides, forms the splice groove between the lateral wall of L shape piece and U-shaped main part, adjacent steel sheet invert each other and with the mutual embedding lock joint of splice groove, the concatenation angle includes integrated into one piece's L shape main part and U-shaped piece, forms the splice groove between the lateral wall of U-shaped piece and L shape main part, the edge of stagnant water curtain adopts the mutual lock joint of concatenation angle to form, and the splice groove of concatenation angle both sides and the mutual embedding lock joint of splice groove of adjacent steel sheet.
Preferably, a pile body is arranged below the concave part on the inner side of the U-shaped main body in a striking mode, the upper end of the pile body extends into the concave part, the concave part is sealed by a sealing and separating plate, concrete is poured from the upper end of the concave part, and the concrete and the upper end of the pile body are poured to form a reinforced support.
Preferably, the middle parts of the two sides of the waterproof curtain are provided with through holes, each through hole is provided with a fixing nut on the outer side, and the inner frame is fixed above the inner side of the waterproof curtain through the fixing nut.
Preferably, reinforcing columns are arranged at four corners of the inner side of the inner frame, and each reinforcing column is fixedly connected with the inner end wall of the inner frame through a bolt.
Preferably, the middle parts of the front end and the rear end of the inner frame are respectively provided with a splicing screw rod, and each splicing screw rod is provided with a splicing nut.
Preferably, a crawling ladder is installed on the left side in the inner frame, mounting holes are formed in two sides of the upper end of the crawling ladder, a plurality of foot rest rods are arranged on the inner side of the crawling ladder, and the crawling ladder is installed on a reinforcing column on the left side in the inner frame through the mounting holes and pin rods.
Preferably, the lower part of the inner end wall of the crawling ladder is provided with a containing groove, the lower end of the crawling ladder is provided with an expansion joint, and the outer end walls of the two sides of the crawling ladder are provided with fixing bolts.
Compared with the prior art, the invention has the beneficial effects that:
1) in the waterproof curtain, the standardized steel plates and the splicing corners are spliced to form the waterproof curtain, the splicing structure is formed by splicing the splicing grooves between the adjacent fittings, the structural form is more flexible, standardized processing and erection are facilitated, rapid forming is facilitated, and the technical requirements on workers are reduced.
2) According to the waterproof curtain, the pile body is arranged below the concave part on the inner side of the U-shaped main body in a striking mode, the upper end of the pile body extends into the concave part, the concave part is sealed by the partition plate, concrete is poured from the upper end of the concave part, and the concrete and the upper end of the pile body are poured to form the reinforced support, so that the pile body can be deeply combined with the waterproof curtain, the whole waterproof curtain is reinforced through concrete pouring, and the bearing capacity is improved.
3) The ladder stand is arranged on the reinforcing column on the left side in the inner frame through the mounting hole and the pin rod, when the ladder stand is used, a constructor can conveniently climb out of the waterproof curtain through the ladder stand, the expansion joint can adjust the overall length of the ladder stand according to the field use requirement, the height of the ladder stand is limited through the fixing bolt, convenience and practicability are realized, and the functionality of the ladder stand is effectively improved; the supporting force of the adjustable inside casing of adjusting screw and adjusting nut's cooperation through the middle part spreader, and the cooperation through both sides concatenation screw rod and concatenation nut makes inside casing both sides and middle part supporting force equal, and it is convenient to adjust, effectively improves its functionality.
Drawings
Fig. 1 is a schematic view of a water-stopping enclosure structure of a soft soil foundation building foundation pit provided by the invention;
FIG. 2 is a schematic view of the splicing structure of the steel plate and the splicing corner in FIG. 1;
FIG. 3 is a schematic structural view of the inner frame of FIG. 1;
FIG. 4 is a schematic view of the ladder of FIG. 1;
fig. 5 is a schematic structural view of the construction of fig. 2 after pile body is fitted and concrete is poured.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, an embodiment 1 of the present invention discloses a waterproof enclosure structure for a soft soil foundation building foundation pit, including a waterproof curtain 1, the waterproof curtain 1 comprises a steel plate 2 and a splicing angle 3, an inner frame 4 is arranged at the inner side of the waterproof curtain 1, a plurality of fixing holes 43 are arranged on the left end wall and the right end wall of the inner frame 4, bolts penetrate through the fixing holes 43 and are fixedly connected with the steel plates 2 or the splicing corners 3, the middle part in the inner frame 4 is provided with a cross post 41, the cross post 41 is fixedly connected with a fixing hole 43, the corners of the inner frame 4 are reinforced with diagonal rods, two ends of each diagonal rod are fixed on the inner frame by adopting bolt structures, an adjusting screw 411 is arranged in the middle of the transverse column 41, two ends of the adjusting screw 411 are in threaded connection with the left transverse column and the right transverse column, an adjusting nut 412 is arranged on the adjusting screw 411, the length of the cross-post 41 is adjusted by turning the adjusting nut 412, and the steel plates 2 on both sides are pressed tightly.
Referring to fig. 1-3, the waterproof curtain is constructed in detail as follows: the steel sheet 2 includes the L shape piece 24 of integrated into one piece's U-shaped main part 23 and both sides, forms splice groove 21 between the lateral wall of L shape piece 24 and U-shaped main part 23, and adjacent steel sheet 2 invert each other and with splice groove 21 mutual embedding lock joint, splice angle 3 includes integrated into one piece's L shape main part 31 and L shape piece 24, forms splice groove 21 between the lateral wall of L shape piece 24 and L shape main part 31, the edge of stagnant water curtain adopts 3 mutual lock joints of splice angle to form, and the splice groove 21 of splice angle 3 both sides and the splice groove 21 mutual embedding lock joint of adjacent steel sheet 2.
Referring to fig. 1-5, in order to improve the integrity and the bearing capacity of the waterproof curtain, a pile body 7 is arranged below a concave 24 on the inner side of the U-shaped main body 23, the upper end of the pile body 7 extends into the concave 24, the concave 24 is sealed by a sealing partition plate 8, concrete 9 is poured from the upper end of the concave 24, and the concrete 9 and the upper end of the pile body 7 are integrally poured to form a reinforced support.
Referring to fig. 1-3, the overlapping configuration of the inner frame is as follows: two steel sheet 2 upper portions in the middle part of both sides all are equipped with perforation 22, and every perforation 22 outside all is equipped with fixation nut 6, and inside casing 4 passes through fixation nut 6 to be fixed in the inboard top of stagnant water curtain 1, during the use, props up stagnant water curtain 1 from the inboard through inside casing 4, effectively improves the stability of standing of stagnant water curtain 1.
The reinforcing columns 42 are installed at four corners of the inner side of the inner frame 4, each reinforcing column 42 is fixedly connected with the inner end wall of the inner frame 4 through a bolt, and when the reinforcing frame is used, the supporting force of the inner frame 4 is effectively improved through the plurality of reinforcing columns 42.
The middle parts of the front end and the rear end of the inner frame 4 are respectively provided with a splicing screw rod 44, each splicing screw rod 44 is provided with a splicing nut 441, when the inner frame 4 is used, the supporting force of the inner frame 4 can be adjusted by the matching of the adjusting screw rods 411 and the adjusting nuts 412 on the middle cross columns 41, the two sides of the inner frame 4 are equal to the supporting force of the middle through the matching of the splicing screw rods 44 and the splicing nuts 441 on the two sides, the adjustment is convenient, and the functionality is effectively improved.
Referring to fig. 1-4, in order to facilitate construction work, mounting holes 52 are formed in two sides of the upper end of a ladder 5 mounted on the left side in an inner frame 4, a plurality of foot rest rods 51 are arranged on the inner side of the ladder 5, the ladder 5 is mounted on a reinforcing column 42 on the left side in the inner frame 4 through the mounting holes 52 and pin rods, and when the waterproof curtain is used, a constructor can conveniently climb out of the waterproof curtain 1 through the ladder 5, so that convenience and rapidness are achieved, and the functionality of the waterproof curtain is effectively improved.
The lower part of the inner end wall of the crawling ladder 5 is provided with the accommodating groove 53, the lower end of the crawling ladder 5 is provided with the telescopic joint 55, the outer end walls on the two sides of the crawling ladder 5 are provided with the fixing bolts 54, when the crawling ladder is used, the whole length of the crawling ladder 5 can be adjusted according to the field use requirement through the telescopic joint 55, the height of the crawling ladder is limited through the fixing bolts 54, the crawling ladder is convenient and practical, and the functionality of the crawling ladder is effectively improved.
The working principle of the invention is as follows: firstly, every two steel plates 2 are combined into a whole through the splicing angle 3 and the splicing groove 21, then the waterproof curtain 1 is tightly supported from the inner side through the inner frame 4, the standing stability of the waterproof curtain 1 is effectively improved, the supporting strength of the inner frame 4 is effectively improved through the plurality of reinforcing columns 42, and the supporting strength of the inner frame 4 can be adjusted through the matching of the adjusting screw rods 411 and the adjusting nuts 412 on the middle cross columns 41, and the support strength of the two sides and the middle part of the inner frame 4 is equal through the matching of the splicing screw rods 44 and the splicing nuts 441 on the two sides, the adjustment is convenient, the functionality is effectively improved, the ladder stand 5 is convenient for constructors to climb out of the waterproof curtain 1, the convenience and the rapidness are realized, the functionality of the ladder stand is effectively improved, the expansion joint 55 can adjust the whole length of the ladder stand 5 according to the field use requirement, the height of the device is limited by the fixing bolt 54, so that the device is convenient and practical, and the functionality of the device is effectively improved. Before the operation, the pile body 7 can be arranged in a driving mode, and concrete is poured from the upper end of the concave part 24 after the waterproof curtain is lapped, so that the strength of the whole structure is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides a stagnant water envelope of soft soil foundation building foundation ditch, includes stagnant water curtain (1), characterized by: the waterproof curtain (1) comprises a steel plate (2) and a splicing angle (3), an inner frame (4) is arranged on the inner side of the waterproof curtain (1), a plurality of fixing holes (43) are arranged on the left end wall and the right end wall of the inner frame (4), bolts penetrate through the fixing holes (43) to be fixedly connected with the steel plates (2) or the splicing angles (3), a cross column (41) is arranged in the middle of the inner frame (4), the cross column (41) is fixedly connected with a fixing hole (43), the corners of the inner frame (4) are reinforced with diagonal rods, two ends of each diagonal rod are fixed on the inner frame by adopting a bolt structure, an adjusting screw rod (411) is arranged in the middle of the transverse column (41), two ends of the adjusting screw rod (411) are in threaded connection with the left transverse column and the right transverse column, an adjusting nut (412) is installed on the adjusting screw rod (411), the length of the transverse column (41) is adjusted by rotating the adjusting nut (412), and then the steel plates (2) on the two sides are tightly pressed.
2. A water stop enclosure structure for a soft soil foundation building foundation pit according to claim 1, characterized in that: steel sheet (2) include L shape piece (24) of integrated into one piece's U-shaped main part (23) and both sides, form splice groove (21) between the lateral wall of L shape piece (24) and U-shaped main part (23), and adjacent steel sheet (2) invert each other and with splice groove (21) embedding lock joint each other, splice angle (3) include integrated into one piece's L shape main part (31) and U-shaped piece (32), form splice groove (21) between the lateral wall of U-shaped piece (32) and L shape main part (31), the edge of stagnant water curtain adopts splice angle (3) mutual lock joint to form, splice groove (21) and the splice groove (21) mutual embedding lock joint of adjacent steel sheet (2) of splice angle (3) both sides.
3. A water stop enclosure structure for a soft soil foundation building foundation pit according to claim 2, characterized in that: a pile body (7) is arranged below a concave part (24) on the inner side of the U-shaped main body (23) in a striking mode, the upper end of the pile body (7) extends into the concave part (24), the concave part (24) is sealed by a sealing partition plate (8), concrete (9) enters the concave part (24) in a pouring mode from the upper end of the concave part, and the concrete (9) and the upper end of the pile body (7) are integrally poured to form a reinforced support.
4. A water stop enclosure for a soft soil foundation construction foundation pit according to claim 1, 2 or 3, wherein: two in the middle part of both sides steel sheet (2) upper portion all is equipped with perforation (22), every perforation (22) outside all is equipped with fixation nut (6), and inside casing (4) are fixed in stagnant water curtain (1) inboard top through fixation nut (6).
5. The water stop enclosure structure of the soft soil foundation building foundation pit according to claim 4, characterized in that: reinforcing columns (42) are arranged at four corners of the inner side of the inner frame (4), and each reinforcing column (42) is fixedly connected with the inner end wall of the inner frame (4) through a bolt.
6. The water stop enclosure structure of the soft soil foundation building foundation pit according to claim 5, characterized in that: the middle parts of the front end and the rear end of the inner frame (4) are respectively provided with a splicing screw rod (44), and each splicing screw rod (44) is provided with a splicing nut (441).
7. A water stop enclosure for a soft soil foundation construction foundation pit according to claim 1, 2 or 3, wherein: the novel ladder stand is characterized in that a ladder stand (5) is installed on the left side in the inner frame (4), mounting holes (52) are formed in two sides of the upper end of the ladder stand (5), a plurality of foot rest rods (51) are arranged on the inner side of the ladder stand (5), and the ladder stand (5) is installed on a reinforcing column (42) on the left side in the inner frame (4) through the mounting holes (52) and pin rods.
8. The water stop envelope structure of the soft soil foundation building foundation pit according to claim 7, characterized in that: the ladder is characterized in that a containing groove (53) is formed in the lower portion of the inner end wall of the ladder (5), an expansion joint (55) is installed at the lower end of the ladder (5), and fixing bolts (54) are installed on the outer end walls of the two sides of the ladder (5).
Priority Applications (1)
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CN202111314552.6A CN114150688A (en) | 2021-11-08 | 2021-11-08 | Stagnant water envelope of soft soil foundation building foundation ditch |
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CN202111314552.6A CN114150688A (en) | 2021-11-08 | 2021-11-08 | Stagnant water envelope of soft soil foundation building foundation ditch |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010073538A1 (en) * | 2008-12-25 | 2010-07-01 | 新日本製鐵株式会社 | Steel sheet pile wall and method for constructing same |
JP2017180047A (en) * | 2016-03-31 | 2017-10-05 | Jfeスチール株式会社 | Reinforcement structure and reinforcement method for existing steel pile wall |
JP2017180046A (en) * | 2016-03-31 | 2017-10-05 | Jfeスチール株式会社 | Reinforcement structure and reinforcement method for existing steel pile wall |
CN207348077U (en) * | 2017-09-26 | 2018-05-11 | 上海市浦东新区建设(集团)有限公司 | A kind of cushion cap foundation pit structure |
CN209837046U (en) * | 2019-04-16 | 2019-12-24 | 江苏鸿基节能新技术股份有限公司 | Area is favorable to drainage structures's excavation supporting |
CN210482343U (en) * | 2019-08-20 | 2020-05-08 | 中建协和建设有限公司 | Double-layer steel sheet pile combined enclosing structure |
CN212612555U (en) * | 2020-06-11 | 2021-02-26 | 杭州江腾建设工程有限公司 | Cofferdam |
-
2021
- 2021-11-08 CN CN202111314552.6A patent/CN114150688A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010073538A1 (en) * | 2008-12-25 | 2010-07-01 | 新日本製鐵株式会社 | Steel sheet pile wall and method for constructing same |
JP2017180047A (en) * | 2016-03-31 | 2017-10-05 | Jfeスチール株式会社 | Reinforcement structure and reinforcement method for existing steel pile wall |
JP2017180046A (en) * | 2016-03-31 | 2017-10-05 | Jfeスチール株式会社 | Reinforcement structure and reinforcement method for existing steel pile wall |
CN207348077U (en) * | 2017-09-26 | 2018-05-11 | 上海市浦东新区建设(集团)有限公司 | A kind of cushion cap foundation pit structure |
CN209837046U (en) * | 2019-04-16 | 2019-12-24 | 江苏鸿基节能新技术股份有限公司 | Area is favorable to drainage structures's excavation supporting |
CN210482343U (en) * | 2019-08-20 | 2020-05-08 | 中建协和建设有限公司 | Double-layer steel sheet pile combined enclosing structure |
CN212612555U (en) * | 2020-06-11 | 2021-02-26 | 杭州江腾建设工程有限公司 | Cofferdam |
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Application publication date: 20220308 |