CN113565096A - Construction method of mud pit in construction site - Google Patents

Construction method of mud pit in construction site Download PDF

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Publication number
CN113565096A
CN113565096A CN202110771096.1A CN202110771096A CN113565096A CN 113565096 A CN113565096 A CN 113565096A CN 202110771096 A CN202110771096 A CN 202110771096A CN 113565096 A CN113565096 A CN 113565096A
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China
Prior art keywords
mud pit
section
soil body
larsen
construction
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Pending
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CN202110771096.1A
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Chinese (zh)
Inventor
王硕
刘乃博
林志国
许德理
俞禧斌
汤昌锋
李聪胜
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Shenzhen Zhongdi Construction Engineering Co ltd
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Shenzhen Zhongdi Construction Engineering Co ltd
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Priority to CN202110771096.1A priority Critical patent/CN113565096A/en
Publication of CN113565096A publication Critical patent/CN113565096A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D15/00Handling building or like materials for hydraulic engineering or foundations
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/02Foundation pits
    • E02D17/04Bordering surfacing or stiffening the sides of foundation pits
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H7/00Construction or assembling of bulk storage containers employing civil engineering techniques in situ or off the site
    • E04H7/02Containers for fluids or gases; Supports therefor
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H7/00Construction or assembling of bulk storage containers employing civil engineering techniques in situ or off the site
    • E04H7/02Containers for fluids or gases; Supports therefor
    • E04H7/04Containers for fluids or gases; Supports therefor mainly of metal
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/01Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2300/00Materials
    • E02D2300/0004Synthetics
    • E02D2300/0018Cement used as binder
    • E02D2300/0023Slurry
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2300/00Materials
    • E02D2300/0026Metals
    • E02D2300/0029Steel; Iron
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2600/00Miscellaneous
    • E02D2600/20Miscellaneous comprising details of connection between elements

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Paleontology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Piles And Underground Anchors (AREA)

Abstract

The invention relates to the technical field of mud pools, and discloses a construction method of a mud pool in a construction site, which comprises the following construction steps: 1) defining the construction position of a mud pit on a construction site; 2) at a construction position, a Larsen plate is driven downwards into a soil body, the Larsen plate is in a surrounding shape in the circumferential direction, and a surrounding area is formed in a surrounding manner; 3) excavating soil from top to bottom in the enclosed area to form a mud pit; the depth of the mud pit is less than half of the depth of the Larsen board in the soil body, and the bottom of the mud pit is compacted and flattened; 4) the Larsen board is provided with a surrounding section surrounding the periphery of the mud pit, and a support structure is arranged in the mud pit and used for limiting the surrounding section to incline towards the mud pit; the manufactured mud pit is not increased by a lot of materials and is not limited by a field, the shape and the size can be determined according to the requirement and the actual field condition, and after the mud pit is used up, the Larsen plate can be used for other supporting operation, so that the mud pit has the advantages of simple and convenient construction operation, high efficiency and low cost.

Description

Construction method of mud pit in construction site
Technical Field
The invention relates to the technical field of mud pools, in particular to a construction method of a mud pool in a construction site.
Background
In the construction of pile foundations, the application and treatment of mud is a very important link, which directly affects the construction quality, progress and safety of the pile foundation. The mud pit is an auxiliary facility necessary for foundation and foundation engineering, is used for preparing and storing mud in the pile forming process, is generally formed in a construction site, and can be directly extracted from the mud pit or used for collecting the mud after hole cleaning and filtering in a pile hole when the mud is needed.
The mud pit is built out temporarily to the brick that generally adopts in traditional building industry for deposit the mud that overflows from the stake hole when piling, the construction of this kind of mud pit is more consuming man-hour, and the mud pit four walls hole is many moreover, and a large amount of mud can be consumed, and the mud pit four walls also collapse very easily, and overall effect is very poor.
Alternatively, concrete pouring, brick laying, or welding with steel plates and steel sections are also used, but these mud sumps have problems of complicated construction and high cost.
Disclosure of Invention
The invention aims to provide a construction method of a mud pit in a construction site, and aims to solve the problem that the traditional mud pit is complex to construct in the prior art.
The invention is realized in this way, the construction method of the mud pit in the construction site includes the following construction steps:
1) defining the construction position of a mud pit in a construction site;
2) driving Larsen plates downwards into the soil body at the construction position, wherein the Larsen plates are in a surrounding shape in the circumferential direction and form a surrounding area in a surrounding manner;
3) excavating soil from top to bottom in the enclosed area to form a mud pit; the depth of the mud pit is less than half of the depth of the Larsen board in the soil body, and the bottom of the mud pit is compacted and pressed to be flat;
4) the Larsen board is provided with a surrounding section surrounding the mud pit in the circumferential direction, a supporting structure is arranged in the mud pit and limits the surrounding section to incline towards the mud pit, and the supporting structure is connected to the surrounding section.
Further, the supporting structure comprises a plurality of horizontally arranged supporting frames which are annularly arranged along the circumferential direction of the enclosing section; along the direction from inside to outside of the mud pit, the supporting frame outwards presses the enclosing section; the supporting frames are arranged at intervals in sequence along the depth direction of the mud pit, the supporting frame at the bottommost part of the mud pit abuts against the bottom of the mud pit, adjacent supporting frames are connected through a plurality of longitudinal rods, and the longitudinal rods are arranged at intervals along the surrounding direction of the supporting frames.
Furthermore, the support frame is provided with two bending sections, and the two bending sections are butted to form a bending angle; an angle brace rod which is horizontally arranged and is opposite to the bending angle is arranged between the two bending sections, and two ends of the angle brace rod are respectively and correspondingly fixedly connected with the two bending sections.
Furthermore, a pair of support rods which are horizontally arranged and are in a straight strip shape are arranged in the support frame, and two ends of each pair of support rods are fixedly connected with the support frame respectively.
Furthermore, the Larsen board has the last section of extending to the soil body top, it is cyclic annular to enclose the form to extend the section, the outer hoop that lives of the section of extending upward is equipped with the enclosure muscle that the level was arranged, the circumference that encloses the section of extending upward is enclosed and is enclosed around enclosing.
Further, in the construction step 2), the periphery of the upper extension section is provided with an outer abutting ring piece which is horizontally arranged, and the outer abutting ring piece is provided with an embedded section which is embedded between the periphery of the enclosing section and the soil body and an exposed section which is exposed at the periphery of the upper extension section; the embedding section is provided with an inner abutting side wall which abuts against the periphery of the enclosing section and is longitudinally arranged, and an outer abutting side wall which is embedded into a soil body of the periphery of the enclosing section, and the outer abutting side wall is obliquely arranged towards the enclosing section along the direction from top to bottom.
Further, along the direction from bottom to top, the exposed section deviates from the periphery of the upward extending section and is arranged in a bending way with the embedded section, and the exposed section is provided with an insertion strip arranged downwards; in the construction step 2), after the larsen board is driven into the soil body to a set depth, the embedded section of the outer abutting ring sheet is driven between the periphery of the enclosing section and the soil body, the exposed section is bent downwards relative to the embedded section until the insertion strip on the exposed section is inserted into the soil body, and the exposed section is attached and abutted to the soil body.
Further, along the direction that the insertion strip is inserted into the soil body, the insertion strip is obliquely arranged deviating from the periphery of the enclosing section.
Further, in the construction step 3), after the mud pit is formed, the larsen panels have a stabilizing section embedded in a soil body below the mud pit, inner abutting ring pieces horizontally arranged are arranged at the bottom of the mud pit, the inner abutting ring pieces are circumferentially arranged along the circumferential direction of the mud pit, and the inner abutting ring pieces are inserted between the stabilizing section and the soil body; the inner supporting ring piece is provided with an outer side wall facing the soil body, and the outer side wall of the inner supporting ring piece is obliquely arranged towards the stabilizing section along the direction from top to bottom.
Furthermore, the top of the inner ring pressing piece is connected with a ring pressing piece, and when the inner ring pressing piece is inserted between the stabilizing section and the soil body, the ring pressing piece is downwards bent and pressed at the bottom of the mud pit.
Compared with the prior art, the construction method of the mud pit in the construction site provided by the invention has the advantages that the Larsen board is driven into the ground to form a preset underground space, then the size and the depth of the mud pit are determined according to the requirement and the actual site condition, then the soil body is dug out, and the bottom is compacted and flattened, so that the mud pit with the proper size can be obtained. And a support frame is arranged in the slurry tank, so that the Larsen plate can be effectively prevented from inclining towards the slurry tank. The manufactured mud pit is not increased by a lot of materials and is not limited by a field, the shape and the size can be determined according to the requirement and the actual field condition, and after the mud pit is used up, the Larsen plate can be used for other supporting operation, so that the mud pit has the advantages of simple and convenient construction operation, high efficiency and low cost.
Drawings
FIG. 1 is a schematic view showing construction steps of a method for constructing a mud pit in a construction site according to the present invention;
FIG. 2 is a cut-away view of a mud pit provided by the present invention;
FIG. 3 is a top view of a mud pit provided by the present invention;
FIG. 4 is a schematic view of the outer and inner retainer plates and the Larsen plate according to the present invention;
FIG. 5 is a schematic structural view of an outer ring supporting plate according to the present invention;
fig. 6 is a schematic structural view of the inner ring-supporting piece provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following describes the implementation of the present invention in detail with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
Referring to fig. 1-6, preferred embodiments of the present invention are shown.
The construction method of the mud pit in the construction site comprises the following construction steps:
1) the construction position of the mud pit 300 is defined in the construction site, and the construction position in a proper range can be selected according to actual needs and the size of the mud pit 300;
2) in a construction position, the Larsen board 100 is driven downwards into the soil body 200, the Larsen board 100 is in a surrounding shape in the circumferential direction and forms a surrounding area, the surrounding area is circular, square and the like, and is selected according to the actual construction site condition;
3) excavating the soil body 200 from top to bottom in the enclosed area to form a mud pit 300; the depth of the mud pit 300 is less than half of the depth of the Larsen board 100 placed in the soil body 200, namely the length of the Larsen board 100 driven into the soil body 200 is preferably 2 times of the depth of the mud pit 300, the bottom of the mud pit 300 is compacted and pressed to be flat, and mud can be conveniently prepared and stored in the mud pit 300 subsequently;
4) larsen board 100 has the section of encircleing at mud pit 300 circumference, sets up bearing structure in mud pit 300, and bearing structure restriction encloses the section of encircleing and inclines towards mud pit 300 in, and bearing structure connects on the section of encircleing.
According to the construction method of the mud pit in the construction site, the Larsen board 100 is driven into the ground to form a preset underground space, then the size and the depth of the mud pit 300 are determined according to needs and actual site conditions, soil is excavated, the bottom of the mud pit is compacted and flattened, and the mud pit 300 with a proper size can be obtained. And the support frame is arranged in the mud pit 300, so that the Larsen board 100 can be effectively prevented from inclining towards the mud pit. The manufactured mud pit 300 is not increased by a lot of materials and is not limited by a field, the shape and the size can be determined according to the requirement and the actual field condition, and after the mud pit 300 is used up, the Larsen plate 100 can be used for other supporting operation, and the mud pit 300 has the advantages of simple and convenient construction operation, high efficiency and low cost.
The supporting structure comprises a plurality of supporting frames 400 which are horizontally arranged, and the supporting frames 400 are annularly arranged along the circumferential direction of the enclosed section; along the direction from inside to outside of the mud pit 300, the supporting frame 400 is pressed outwards against the enclosed section; thus, the supporting frame 400 has a pressure on the Larsen board 100 towards the soil body 200, and the Larsen board 100 can be prevented from collapsing towards the mud pit 300.
The support frames 400 are arranged at intervals in sequence along the depth direction of the mud pit 300, the support frames 400 at the bottommost part of the mud pit 300 abut against the bottom of the mud pit 300, the adjacent support frames 400 are connected through a plurality of longitudinal rods, the longitudinal rods are arranged at intervals along the surrounding direction of the support frames 400, connection is achieved between the two adjacent support frames 400, the structure of the support frames 400 is more stable, and the supporting force for the Larsen board 100 is stronger.
By using the plurality of support frames 400, the larsen panels 100 are circumferentially supported in the height direction of the mud pit 300, and the larsen panels 100 are prevented from collapsing into the mud pit. The longitudinal rods are used for realizing the connection and the support of the support frame 400 between different heights, and the structure is simple.
The supporting frame 400 has two bending sections, and the two bending sections are butted to form a bending angle; an angle brace 401 which is horizontally arranged and opposite to the bending angle is arranged between the two bending sections, and two ends of the angle brace 401 are respectively and correspondingly fixedly connected with the two bending sections, so that bending deformation between the two bending sections can be prevented under the extrusion action of the soil body 200.
Be equipped with the level in the support frame 400 and arrange and straight banding to the vaulting pole, to the both ends of vaulting pole respectively with support frame 400 fixed connection, play the effect of stabilizing support frame 400, combine to further restrict to enclose the section of closing up and incline towards mud pit 300 with support frame 400 to the vaulting pole.
By utilizing the angle brace 401, the two bending sections can be supported, and the subsequent bending deformation between the two bending sections under the extrusion action of the soil body 200 is avoided. In this embodiment, the mud pit 300 is a square, and four sides of the supporting frame 400 are respectively formed with bending sections to form four bending corners, so that the supporting frame 400 is also provided with four angle supporting rods 401, of course, the shape of the mud pit 300 may be other special shapes, and the number and shape of the supporting frame 400 and the angle supporting rods 401 are changed accordingly.
Larsen board 100 has the last section 101 that prolongs that extends to soil body 200 top, goes up to prolong section 101 and is the cyclic annular form of encircleing, goes up to prolong the outside hoop of section 101 and is equipped with the enclosure muscle of horizontal arrangement, encloses the circumference that closes the muscle round last section 101 and encloses, goes up to prolong section 101 and can regard as the peripheral safety protection facility in mud pit 300, perhaps, can also set up other anti-skidding facilities on last section 101 that prolongs, for example lamp strip etc. at night work, can play effects such as warning.
The periphery of the upper extension section 101 is provided with an outer ring supporting sheet 500 which is horizontally arranged, the outer ring supporting sheet 500 is provided with an embedding section 501 and an exposing section 502, the embedding section 501 is embedded between the periphery of the enclosing section and the soil body 200, and the exposing section 502 is exposed at the periphery of the upper extension section 101; the embedding section 501 is provided with an inner abutting side wall 504 and an outer abutting side wall 505, the inner abutting side wall 504 abuts against the periphery of the enclosing section and is arranged longitudinally, the outer abutting side wall 505 is embedded into the soil body 200 abutting against the periphery of the enclosing section, and the outer abutting side wall 505 is obliquely arranged towards the enclosing section along the direction from top to bottom.
The outer abutting ring piece 500 is driven into the space between the periphery of the enclosing section and the soil body 200, the inner abutting side wall 504 is attached to the Larsen board 100, and the Larsen board 100 is prevented from being extruded by mud in the mud pit 300 through the extrusion effect of the soil body 200 on the outer abutting ring piece 500, so that the Larsen board 100 is prevented from inclining towards the outside of the mud pit 300, and the effect of stabilizing the Larsen board 100 is achieved.
Along the direction from bottom to top, the exposed section 502 deviates from the periphery of the upward extending section 101 and is arranged in a bending way with the embedded section 501, and the exposed section 502 is provided with an insertion strip 503 arranged downwards; in the construction step 2), after the larsen panel 100 is driven into the soil body 200 to a set depth, the embedded section 501 of the external abutting ring piece 500 is driven between the periphery of the enclosed section and the soil body 200, and the exposed section 502 is bent downwards relative to the embedded section 501 until the insertion strip 503 on the exposed section 502 is inserted into the soil body 200, and the exposed section 502 is attached and abutted on the soil body 200.
The insertion strip 503 is inserted into the soil body 200 and cooperates with the insertion section 501 to apply a double pressure to the larsen panel 100 in a direction towards the soil body 200, thereby preventing mud in the mud pit 300 from pressing the larsen panel 100, which would cause the larsen panel 100 to tilt towards the outside of the mud pit 300.
Along the direction that the insertion strip 503 is inserted into the soil body 200, the insertion strip 503 is obliquely arranged deviating from the periphery of the enclosed section, so that the insertion strip 503 is conveniently inserted into the soil body 200.
In the construction step 3), after the mud pit 300 is formed, the larsen panel 100 has the stabilizing section 102, and the stabilizing section 102 is embedded in the soil body 200 below the mud pit 300.
The bottom of the mud pit 300 is provided with an inner abutting ring piece 600 which is horizontally arranged, the inner abutting ring piece 600 is circumferentially arranged along the circumferential direction of the mud pit 300, the inner abutting ring piece 600 is provided with an outer side wall 601 facing the soil body 200, and the outer side wall 601 of the inner abutting ring piece 600 is obliquely arranged towards the stabilizing section 102 along the direction from top to bottom.
The inner abutting ring piece 600 is driven into the space between the stabilizing section 102 and the soil body 200, the soil body 200 at the bottom of the mud pit 300 has an extrusion effect on the inner abutting ring piece 600, so that the larsen panel 100 is also provided with a thrust force towards the outside of the mud pit 300, the larsen panel 100 can be prevented from inclining towards the inside of the mud pit 300, and the effect of stabilizing the larsen panel 100 is achieved.
The top of the inner abutting ring piece 600 is connected with a pressing ring piece 602, and after the inner abutting ring piece 600 is inserted between the stable section 102 and the soil body 200, the pressing ring piece 602 is bent downwards and pressed against the bottom of the mud pit 300; this structure is favorable to when dismantling mud pit 300, is convenient for take out interior abutting ring piece 600, has also further played the effect of firm larsen panel 100.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The construction method of the mud pit in the construction site is characterized by comprising the following construction steps:
1) defining the construction position of a mud pit in a construction site;
2) driving Larsen plates downwards into the soil body at the construction position, wherein the Larsen plates are in a surrounding shape in the circumferential direction and form a surrounding area in a surrounding manner;
3) excavating soil from top to bottom in the enclosed area to form a mud pit; the depth of the mud pit is less than half of the depth of the Larsen board in the soil body, and the bottom of the mud pit is compacted and pressed to be flat;
4) the Larsen board is provided with a surrounding section surrounding the mud pit in the circumferential direction, a supporting structure is arranged in the mud pit and limits the surrounding section to incline towards the mud pit, and the supporting structure is connected to the surrounding section.
2. The method of constructing a mud pit in a construction site of claim 1, wherein said support structure comprises a plurality of horizontally arranged support frames annularly arranged along a circumference of the enclosed section; along the direction from inside to outside of the mud pit, the supporting frame outwards presses the enclosing section; the supporting frames are arranged at intervals in sequence along the depth direction of the mud pit, the supporting frame at the bottommost part of the mud pit abuts against the bottom of the mud pit, adjacent supporting frames are connected through a plurality of longitudinal rods, and the longitudinal rods are arranged at intervals along the surrounding direction of the supporting frames.
3. The method of constructing a mud pit in a construction site of claim 2, wherein said support frame has two bent sections, and a bent angle is formed by butt-jointing the two bent sections; an angle brace rod which is horizontally arranged and is opposite to the bending angle is arranged between the two bending sections, and two ends of the angle brace rod are respectively and correspondingly fixedly connected with the two bending sections.
4. The method as claimed in claim 2, wherein the support frame has a pair of horizontal and straight bars, and both ends of the pair of bars are respectively fixed to the support frame.
5. The method for constructing the mud pit in the construction site as claimed in any one of claims 1 to 4, wherein the Larsen board has an upper extension section extending above the soil body, the upper extension section is in an annular enclosing shape, an outer hoop of the upper extension section is provided with a horizontally arranged enclosing rib, and the enclosing rib is enclosed and enclosed around the circumference of the upper extension section.
6. The method for constructing a mud pit in a construction site according to claim 5, wherein in the step 2), the periphery of the upper extension section is provided with an outer retaining ring piece which is horizontally arranged, and the outer retaining ring piece is provided with an embedded section which is embedded between the periphery of the enclosing section and the soil body and an exposed section which is exposed at the periphery of the upper extension section; the embedding section is provided with an inner abutting side wall which abuts against the periphery of the enclosing section and is longitudinally arranged, and an outer abutting side wall which is embedded into a soil body of the periphery of the enclosing section, and the outer abutting side wall is obliquely arranged towards the enclosing section along the direction from top to bottom.
7. The method of constructing a mud pit in a construction site according to claim 6, wherein said exposed section is deviated from an outer circumference of the upwardly extending section in a direction from bottom to top and is bent from the inserting section, and said exposed section is provided with an inserting bar arranged downwardly; in the construction step 2), after the larsen board is driven into the soil body to a set depth, the embedded section of the outer abutting ring sheet is driven between the periphery of the enclosing section and the soil body, the exposed section is bent downwards relative to the embedded section until the insertion strip on the exposed section is inserted into the soil body, and the exposed section is attached and abutted to the soil body.
8. The method of constructing a mud pit in a construction site of claim 7, wherein said insertion strips are arranged obliquely away from the outer circumference of the enclosed section in a direction in which said insertion strips are inserted into the soil body.
9. The method for constructing a mud pit in a construction site according to any one of claims 1 to 4, wherein in the construction step 3), after the mud pit is formed, the Larsen board is provided with a stabilizing section embedded in soil below the mud pit, an inner annular abutting sheet is horizontally arranged at the bottom of the mud pit, the inner annular abutting sheet is circumferentially arranged along the circumferential direction of the mud pit, and the inner annular abutting sheet is inserted between the stabilizing section and the soil; the inner supporting ring piece is provided with an outer side wall facing the soil body, and the outer side wall of the inner supporting ring piece is obliquely arranged towards the stabilizing section along the direction from top to bottom.
10. The method for constructing the mud pit in the construction site according to claim 9, wherein a pressing ring piece is connected to the top of the inner abutting ring piece, and when the inner abutting ring piece is inserted between the stabilizing section and the soil body, the pressing ring piece is bent downwards to abut against the bottom of the mud pit.
CN202110771096.1A 2021-07-07 2021-07-07 Construction method of mud pit in construction site Pending CN113565096A (en)

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CN206616562U (en) * 2017-03-09 2017-11-07 中交二航局第四工程有限公司 A kind of hydrous fluids silt geotechnical boring stake assembling type steel structure mud pit
CN109853569A (en) * 2019-03-28 2019-06-07 中国建筑第四工程局有限公司 A kind of method and device of Soft Clay pouring pile hole steel pile casting anti-settling deviation
CN210025773U (en) * 2018-10-23 2020-02-07 中国建筑第八工程局有限公司 Sinking type slurry storage and treatment system
CN212562482U (en) * 2020-05-30 2021-02-19 广东保辉建筑工程有限公司 Supporting device for steel reinforced concrete beam template

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2357256A1 (en) * 1973-11-16 1975-05-28 Winko Generalbau Dipl Ing Wief Prefabricated settling basin modules - easily assembled from U-frames with grooves for side plates held by tie beams
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Application publication date: 20211029