CN112982359B - Sea-phase soft soil foundation structure and treatment method thereof - Google Patents
Sea-phase soft soil foundation structure and treatment method thereof Download PDFInfo
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- CN112982359B CN112982359B CN202110225721.2A CN202110225721A CN112982359B CN 112982359 B CN112982359 B CN 112982359B CN 202110225721 A CN202110225721 A CN 202110225721A CN 112982359 B CN112982359 B CN 112982359B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
Abstract
The invention discloses a sea phase soft soil foundation structure and a processing method thereof, and the sea phase soft soil foundation structure comprises a foundation main structure frame, wherein a plurality of cross beams are connected inside the foundation main structure frame, the cross beams are connected through a plurality of vertical beams, the vertical beams are connected through connecting beams, soft soil filling grooves are formed among the connecting beams, the cross beams and the vertical beams, rock blocks are filled at the bottoms of the soft soil filling grooves, soft soil is arranged at the tops of the rock blocks, hydrophobic sand, coal cinder and brick slag are sequentially filled inside the soft soil, sand stones are arranged at the tops of the soft soil, the structure has strong stability, the manufacturing cost is low, the construction efficiency is high, the soft soil can be effectively separated, the soft soil with the same size can be solidified, the firmness of the foundation is improved, the processing method of the foundation is simple, the cost is saved, and the soft soil and the concrete can be effectively combined, the service life is prolonged, the integral drainage performance is good, and the port construction and use are convenient.
Description
Technical Field
The invention relates to the field of marine soft soil, in particular to a marine soft soil foundation structure and a treatment method thereof.
Background
Soft soil generally refers to cohesive soil which has large natural water content, high compressibility, low bearing capacity and low shear strength and is in a soft-plastic-flow-plastic state. Soft soil is a generic term of soil, and does not refer to a specific soil, and engineering often subdivides soft soil into soft cohesive soil, mucky soil, silt, peat soil, peat and the like. The marine soft soil foundation structure has the characteristics of high natural water content, large natural pore ratio, high compressibility, low shear strength, small consolidation coefficient, long consolidation time, high sensitivity, high disturbance, poor water permeability, complex layered distribution of soil layers, large difference of physical and mechanical properties among layers and the like.
Disclosure of Invention
The invention aims to provide a marine soft soil foundation structure and a processing method thereof aiming at the defects of the prior art so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a marine facies weak soil foundation structure, includes ground main structure frame, the internal connection of ground main structure frame has a plurality of crossbeam, it links to each other to erect the roof beam through a plurality of between the crossbeam, it links to each other through the tie-beam to erect between the roof beam, tie-beam and crossbeam and perpendicular roof beam between be formed with the weak soil filling groove, the bottom packing of weak soil filling groove has the rockfill, the top of rockfill is equipped with the weak soil, the inside of weak soil is filled in proper order has hydrophobic sand, cinder and brick sediment, the top of weak soil is equipped with the grit, all be equipped with a plurality of filling hole on ground main structure frame, crossbeam and the perpendicular roof beam, be equipped with the first hole of draining of a plurality of on the ground main structure frame, be equipped with a plurality of third wash port on the tie-beam, be equipped with a plurality of second wash port on the perpendicular roof beam.
As a preferred technical scheme of the invention, the foundation main structure frame is made of reinforced concrete by casting, and the thickness of the foundation main structure frame is 30-40 cm.
As a preferable technical scheme of the invention, the cross beam is made of reinforced concrete by casting, and the thickness of the cross beam is 30-35 cm.
As a preferable technical scheme of the invention, the vertical beam is made of reinforced concrete by pouring, and the thickness of the vertical beam is 25-30 cm.
As a preferable technical scheme of the invention, the connecting beam is formed by pouring reinforced concrete, and the thickness of the connecting beam is 10-15 cm.
As a preferable technical scheme of the invention, the diameters of the first drain hole, the second drain hole and the third drain hole are all 4-6 cm, and the diameter of the filling hole is 20-25 cm.
As a preferred technical scheme of the invention, the sandstone, the brick slag, the cinder, the hydrophobic sand and the rock block are all of a stacked structure, and the thicknesses of the sandstone, the brick slag, the cinder, the hydrophobic sand and the rock block are all 10-20 cm.
A method for treating a marine soft soil foundation comprises the following steps:
the method comprises the following steps: digging a deep groove with the width of 40-50 cm along the periphery of the marine soft soil, wherein the depth of the deep groove is 2-3 m, then pouring concrete into the deep groove to form a foundation main structure frame, and reserving filling holes and first drainage holes during pouring;
step two: then, excavating a beam groove in the foundation main structure frame, wherein the width of the beam groove is 35-40 cm, the depth of the beam groove is 2-2.5 m, pouring concrete into the beam groove to connect the beam with the foundation main structure frame, and reserving a fourth drain hole of a filling hole during pouring;
step three: after the concrete of the transverse beam is solidified, excavating a vertical beam groove, wherein the width of the vertical beam groove is 30-35 cm, the depth of the vertical beam groove is 2-2.5 m, pouring the concrete into the vertical beam groove, connecting the vertical beam, the transverse beam and a foundation main structure frame with each other, and reserving a second drain hole of a filling hole during pouring;
step four: after concrete of the vertical beams is condensed, excavating a rectangular area formed between the cross beams and the vertical beams to a depth of 2-2.5 m, then pouring the connecting beams by adopting a mould, and after the concrete of the connecting beams is condensed, filling soft soil into the soft soil filling grooves and the filling holes;
step five: firstly, rock blocks are thrown to the bottoms of the soft soil filling grooves and the filling holes, then soft soil is filled, hydrophobic sand is filled, then the soft soil is filled, then coal cinder, the soft soil, brick cinder, the soft soil and gravel are sequentially filled, the thickness of the soft soil filled each time is four times of that of the rock blocks, and then another rectangular area is excavated and filled.
The invention has the beneficial effects that: this stable in structure performance is strong, and the manufacturing cost is low moreover, and the efficiency of construction is high, can effectively separate the soft soil to carry out the solidification treatment to the soft soil of equidimension, improve the fastness performance of ground, the processing method of this ground is simple, practices thrift the cost moreover, can effectually combine soft soil and concrete together, improves life, and holistic hydrophobic drainage performance is good, and the harbour of being convenient for is built and is used.
Drawings
FIG. 1 is a top view of the present invention;
FIG. 2 is a cross-sectional view of a soft soil according to the present invention;
FIG. 3 is a cross-sectional view of a vertical beam of the present invention;
FIG. 4 is a cross-sectional view of a coupling beam of the present invention;
figure 5 is a cross-sectional view of the foundation main structural frame of the present invention.
In the figure: 1. the foundation main structure comprises a foundation main structure frame, 2, beams, 3, vertical beams, 4, filling holes, 5, soft soil filling grooves, 6, soft soil, 7, connecting beams, 101, first drainage holes, 301, second drainage holes, 601, gravels, 602, brick residues, 603, coal residues, 604, hydrophobic sands, 605, rock blocks, 701 and third drainage holes.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention more readily understood by those skilled in the art, and thus will more clearly and distinctly define the scope of the invention.
Example (b): referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a sea facies soft soil foundation structure, including ground main structure frame 1, ground main structure frame 1's internal connection has a plurality of crossbeam 2, it links to each other through a plurality of vertical beam 3 between the crossbeam 2, it links to each other through tie-beam 7 between the vertical beam 3, tie-beam 7 and crossbeam 2 with erect and be formed with soft soil filling groove 5 between the beam 3, the bottom packing of soft soil filling groove 5 has rock block 605, the top of rock block 605 is equipped with weak soil 6, the inside of weak soil 6 is filled in proper order has hydrophobic sand 604, coal cinder 603 and brick sediment 602, the top of weak soil 6 is equipped with grit 601, ground main structure frame 1, all be equipped with a plurality of filling hole 4 on crossbeam 2 and the vertical beam 3, be equipped with a plurality of first wash port 101 on the ground main structure frame 1, be equipped with a plurality of third wash port 701 on the tie-beam 7, be equipped with a plurality of second wash port 301 on the vertical beam 3.
The foundation main structure frame 1 is made of reinforced concrete through pouring, and the thickness of the foundation main structure frame 1 is 30-40 cm. The cross beam 2 is made of reinforced concrete by casting, and the thickness of the cross beam 2 is 30-35 cm. The vertical beam 3 is made of reinforced concrete by pouring, and the thickness of the vertical beam 3 is 25-30 cm. The connecting beam 7 is made of reinforced concrete by pouring, and the thickness of the connecting beam 7 is 10-15 cm. The diameters of the first drain hole 101, the second drain hole 301 and the third drain hole 701 are all 4-6 cm, and the diameter of the filling hole 4 is 20-25 cm.
The sand 601, the brick slag 602, the coal slag 603, the hydrophobic sand 604 and the rock block 605 are all of a stacked structure, and the thicknesses of the sand 601, the brick slag 602, the coal slag 603, the hydrophobic sand 604 and the rock block 605 are all 10-20 cm.
A method for treating a marine soft soil foundation comprises the following steps:
the method comprises the following steps: digging a deep groove with the width of 40-50 cm along the periphery of the marine soft soil, wherein the depth of the deep groove is 2-3 m, then pouring concrete into the deep groove to form a foundation main structure frame, and reserving filling holes and first drainage holes during pouring;
step two: then, excavating a beam groove in the foundation main structure frame, wherein the width of the beam groove is 35-40 cm, the depth of the beam groove is 2-2.5 m, pouring concrete into the beam groove to connect the beam with the foundation main structure frame, and reserving a fourth drain hole of a filling hole during pouring;
step three: after the concrete of the transverse beam is solidified, excavating a vertical beam groove, wherein the width of the vertical beam groove is 30-35 cm, the depth of the vertical beam groove is 2-2.5 m, pouring the concrete into the vertical beam groove, connecting the vertical beam, the transverse beam and a foundation main structure frame with each other, and reserving a second drain hole of a filling hole during pouring;
step four: after concrete of the vertical beams is condensed, excavating a rectangular area formed between the cross beams and the vertical beams to a depth of 2-2.5 m, then pouring the connecting beams by adopting a mould, and after the concrete of the connecting beams is condensed, filling soft soil into the soft soil filling grooves and the filling holes;
step five: firstly, rock blocks are thrown to the bottoms of the soft soil filling grooves and the filling holes, then soft soil is filled, hydrophobic sand is filled, then the soft soil is filled, then coal cinder, the soft soil, brick cinder, the soft soil and gravel are sequentially filled, the thickness of the soft soil filled each time is four times of that of the rock blocks, and then another rectangular area is excavated and filled.
The working principle is as follows: a marine soft soil foundation structure and a processing method thereof comprise a foundation main structure frame 1, a cross beam 2, a vertical beam 3, a filling hole 4, a soft soil filling groove 5, soft soil 6, a connecting beam 7, a first drainage hole 101, a second drainage hole 301, gravels 601, brick residues 602, coal residues 603, hydrophobic sands 604, rock blocks 605 and a third drainage hole 701; the specific construction method comprises the following steps:
the method comprises the following steps: digging a deep groove with the width of 40-50 cm along the periphery of the marine soft soil, wherein the depth of the deep groove is 2-3 m, then pouring concrete into the deep groove to form a foundation main structure frame, and reserving filling holes and first drainage holes during pouring;
step two: then, excavating a beam groove in the foundation main structure frame, wherein the width of the beam groove is 35-40 cm, the depth of the beam groove is 2-2.5 m, pouring concrete into the beam groove to connect the beam with the foundation main structure frame, and reserving a fourth drain hole of a filling hole during pouring;
step three: after the concrete of the transverse beam is solidified, excavating a vertical beam groove, wherein the width of the vertical beam groove is 30-35 cm, the depth of the vertical beam groove is 2-2.5 m, pouring the concrete into the vertical beam groove, connecting the vertical beam, the transverse beam and a foundation main structure frame with each other, and reserving a second drain hole of a filling hole during pouring;
step four: after concrete of the vertical beams is condensed, excavating a rectangular area formed between the cross beams and the vertical beams to a depth of 2-2.5 m, then pouring the connecting beams by adopting a mould, and after the concrete of the connecting beams is condensed, filling soft soil into the soft soil filling grooves and the filling holes;
step five: firstly, rock blocks are thrown to the bottoms of the soft soil filling grooves and the filling holes, then soft soil is filled, hydrophobic sand is filled, then the soft soil is filled, then coal cinder, the soft soil, brick cinder, the soft soil and gravel are sequentially filled, the thickness of the soft soil filled each time is four times of that of the rock blocks, and then another rectangular area is excavated and filled.
This stable in structure performance is strong, and the manufacturing cost is low moreover, and the efficiency of construction is high, can effectively separate the soft soil to carry out the solidification treatment to the soft soil of equidimension, improve the fastness performance of ground, the processing method of this ground is simple, practices thrift the cost moreover, can effectually combine soft soil and concrete together, improves life, and holistic hydrophobic drainage performance is good, and the harbour of being convenient for is built and is used.
The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (8)
1. The utility model provides a marine soft soil foundation structure, includes ground main structure frame (1), its characterized in that: the interior of the foundation main structure frame (1) is connected with a plurality of cross beams (2), the cross beams (2) are connected with each other through a plurality of vertical beams (3), the vertical beams (3) are connected with each other through connecting beams (7), soft soil filling grooves (5) are formed between the connecting beams (7) and the cross beams (2) and the vertical beams (3), rock blocks (605) are filled at the bottoms of the soft soil filling grooves (5), soft soil (6) are arranged at the tops of the rock blocks (605), hydrophobic sand (604), coal slag (603) and brick slag (602) are sequentially filled in the soft soil (6), gravels (601) are arranged at the tops of the soft soil (6), a plurality of filling holes (4) are formed in the foundation main structure frame (1), the cross beams (2) and the vertical beams (3), a plurality of first rows of water holes (101) are formed in the foundation main structure frame (1), the connecting beam (7) is provided with a plurality of third drain holes (701), and the vertical beam (3) is provided with a plurality of second drain holes (301).
2. A marine soft soil foundation structure as claimed in claim 1, wherein: the foundation main structure frame (1) is formed by pouring reinforced concrete, and the thickness of the foundation main structure frame (1) is 30-40 cm.
3. A marine soft soil foundation structure as claimed in claim 1, wherein: the beam (2) is made of reinforced concrete by casting, and the thickness of the beam (2) is 30-35 cm.
4. A marine soft soil foundation structure as claimed in claim 1, wherein: the vertical beam (3) is made of reinforced concrete by pouring, and the thickness of the vertical beam (3) is 25-30 cm.
5. A marine soft soil foundation structure as claimed in claim 1, wherein: the connecting beam (7) is formed by pouring reinforced concrete, and the thickness of the connecting beam (7) is 10-15 cm.
6. A marine soft soil foundation structure as claimed in claim 1, wherein: the diameters of the first drain hole (101), the second drain hole (301) and the third drain hole (701) are all 4-6 cm, and the diameter of the filling hole (4) is 20-25 cm.
7. A marine soft soil foundation structure as claimed in claim 1, wherein: the sand stone (601), the brick slag (602), the coal slag (603), the hydrophobic sand (604) and the rock block (605) are all of a stacked structure, and the thicknesses of the sand stone (601), the brick slag (602), the coal slag (603), the hydrophobic sand (604) and the rock block (605) are all 10-20 cm.
8. A method of treating a marine soft soil foundation structure as claimed in claim 1, characterised in that: the specific treatment method comprises the following steps:
the method comprises the following steps: digging a deep groove with the width of 40-50 cm along the periphery of the marine soft soil, wherein the depth of the deep groove is 2-3 m, then pouring concrete into the deep groove to form a foundation main structure frame, and reserving filling holes and first drainage holes during pouring;
step two: then, excavating a beam groove in the foundation main structure frame, wherein the width of the beam groove is 35-40 cm, the depth of the beam groove is 2-2.5 m, pouring concrete into the beam groove to connect the beam with the foundation main structure frame, and reserving a fourth drain hole of a filling hole during pouring;
step three: after the concrete of the transverse beam is solidified, excavating a vertical beam groove, wherein the width of the vertical beam groove is 30-35 cm, the depth of the vertical beam groove is 2-2.5 m, pouring the concrete into the vertical beam groove, connecting the vertical beam, the transverse beam and a foundation main structure frame with each other, and reserving a second drain hole of a filling hole during pouring;
step four: after concrete of the vertical beams is condensed, excavating a rectangular area formed between the cross beams and the vertical beams to a depth of 2-2.5 m, then pouring the connecting beams by adopting a mould, and after the concrete of the connecting beams is condensed, filling soft soil into the soft soil filling grooves and the filling holes;
step five: firstly, rock blocks are thrown to the bottoms of the soft soil filling grooves and the filling holes, then soft soil is filled, hydrophobic sand is filled, then the soft soil is filled, then coal cinder, the soft soil, brick cinder, the soft soil and gravel are sequentially filled, the thickness of the soft soil filled each time is four times of that of the rock blocks, and then another rectangular area is excavated and filled.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110225721.2A CN112982359B (en) | 2021-03-01 | 2021-03-01 | Sea-phase soft soil foundation structure and treatment method thereof |
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| CN202110225721.2A CN112982359B (en) | 2021-03-01 | 2021-03-01 | Sea-phase soft soil foundation structure and treatment method thereof |
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| CN112982359B true CN112982359B (en) | 2021-12-31 |
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| CN101476325B (en) * | 2008-11-28 | 2010-08-11 | 华南理工大学 | Rigid gridding and pile combined foundation and its use in soft soil foundation reinforcement |
| CN105926544B (en) * | 2016-06-24 | 2018-02-02 | 中国电建集团华东勘测设计研究院有限公司 | A kind of economical mud-rock flow blocking dam structure and its construction method |
| CN210421052U (en) * | 2019-04-12 | 2020-04-28 | 交通运输部天津水运工程科学研究所 | Grid type soft soil foundation structure |
| CN111962492A (en) * | 2020-08-28 | 2020-11-20 | 东华理工大学 | Soft soil foundation treatment device and method |
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