CN110952530A - Gravel pile for soft soil foundation - Google Patents
Gravel pile for soft soil foundation Download PDFInfo
- Publication number
- CN110952530A CN110952530A CN201911307890.XA CN201911307890A CN110952530A CN 110952530 A CN110952530 A CN 110952530A CN 201911307890 A CN201911307890 A CN 201911307890A CN 110952530 A CN110952530 A CN 110952530A
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- China
- Prior art keywords
- gravel
- layer
- pile
- soft soil
- gravel pile
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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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Links
- 239000002689 soil Substances 0.000 title claims abstract description 37
- 239000007788 liquid Substances 0.000 claims abstract description 26
- 239000004575 stone Substances 0.000 claims abstract description 12
- 239000004746 geotextile Substances 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 239000002002 slurry Substances 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
-
- 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
- E02D3/02—Improving by compacting
- E02D3/08—Improving by compacting by inserting stones or lost bodies, e.g. compaction piles
-
- 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
- E02D3/02—Improving by compacting
- E02D3/10—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Agronomy & Crop Science (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a gravel pile for a soft soil foundation, which comprises a gravel layer and a gravel pile body, wherein the gravel layer forms a main body of the gravel pile; the mud layer surrounds the crushed stone layer and is connected with the crushed stone layer and an external foundation; the liquid guide pipe is at least arranged in the gravel layer and is connected with the gravel layer and the external foundation; the liquid guide pipe plays a role in collecting the moisture in the mud layer and the crushed stone layer, and the collected moisture is output to an external foundation through the self structure and the self weight of the liquid. The invention solves the technical problems of low construction efficiency and influenced construction quality caused by the fact that water in the soft soil foundation is not easy to guide and the curing of the soft soil foundation is slow.
Description
Technical Field
The invention relates to the field of soft soil foundation engineering of roads and bridges, in particular to a gravel pile for a soft soil foundation.
Background
With the increasing number of road expansion construction projects, the expansion of bridges and roads on soft ground has become a subject of research. Due to liquefaction and instability of the structure of the soft foundation, the extension project on the soft foundation is more prone to foundation reinforcement and solidification of the soft foundation. The overlapping of the new roadbed and the old roadbed on the soft soil foundation has a great relationship with the curing degree of the soft soil foundation, and how to realize the curing of the soft soil foundation in a short time determines the construction efficiency and quality.
Disclosure of Invention
The invention mainly aims to provide a gravel pile for a soft soil foundation, which aims to solve the technical problems that the construction efficiency is low and the construction quality is affected because water in the soft soil foundation is difficult to guide and the curing of the soft soil foundation is slow.
In order to achieve the above object, a gravel pile for soft soil foundation is provided.
The gravel pile for soft soil foundation according to the present application comprises:
the gravel layer forms a body of the gravel pile;
the mud layer surrounds the crushed stone layer and is connected with the crushed stone layer and an external foundation;
the liquid guide pipe is at least arranged in the gravel layer and is connected with the gravel layer and the external foundation;
the liquid guide pipe plays a role in collecting the moisture in the mud layer and the crushed stone layer, and the collected moisture is output to an external foundation through the self structure and the self weight of the liquid.
Further, the liquid guide pipe is a steel pipe.
Furthermore, structural holes are formed in the steel pipe.
Furthermore, geotextile is arranged between the liquid guide pipe and the gravel layer.
Further, the geotextile surrounds the catheter.
Further, the catheter is composed of a plurality of sheathing members.
Further, the sleeved member comprises a first sleeved member arranged at the bottom end of the gravel pile and a second sleeved member arranged on the first sleeved member.
Further, the first nesting component comprises a fixing port for fixing the first nesting component in the crushed stone layer, and a clamping port for connecting the second nesting component.
Furthermore, one end of the second sleeving member is provided with a clamping port, and the size of the port at the other end is matched with that of the clamping port.
Further, the liquid guide pipe is arranged at least at the bottom and/or the middle part of the gravel pile.
In the embodiment of the invention, the structure of the gravel pile is improved, and the drainage tube is added into the gravel pile, so that the purpose of leading the moisture in the soft soil foundation out to the bottom soil layer through the internal structure and the external structure of the gravel pile is achieved, the technical effect of fast curing of the soft soil foundation is realized, and the technical problems of low construction efficiency and influenced construction quality caused by the fact that the moisture in the soft soil foundation is difficult to guide and the curing of the soft soil foundation is slow are solved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the invention and to make further features, objects, and advantages of the invention apparent. The drawings and their description illustrate exemplary embodiments of the invention and do not limit it inappropriately. In the drawings:
fig. 1 is a schematic structural view of a gravel pile for soft soil foundation according to an embodiment of the present invention.
Reference numerals
1: a crushed stone layer; 2: a mud layer; 3: a catheter; 301: a first nesting component; 302: a second nesting member; 4: geotextile; 5: a fixed port; 6: the ports are clamped.
Detailed Description
In order to make the person skilled in the art better understand the application scheme of the present invention, the technical solutions in the embodiments of the present invention will be described clearly and completely 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, not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any inventive step based on the embodiments in the present application, shall fall within the scope of protection of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of the present application and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the present application are described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the present application can be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the drawings.
In the work progress, adopt the pile foundation to carry out the reinforcement of soft soil foundation can effectually stabilize the liquefaction degree of soft soil foundation, and the accessible pile foundation is as the guide post of liquid simultaneously, with the stratum or the underground river under the leading-in soft soil foundation of moisture in the foundation, is favorable to accelerating the solidification of soft soil foundation. How to better utilize the pile foundation to solidify soft soil foundation, maintain the degree of solidification of later stage soft soil foundation simultaneously, become a new research direction.
As shown in fig. 1, the invention relates to a gravel pile for a soft soil foundation, which comprises a gravel layer 1, a mud layer 2 and a liquid guide pipe 3, wherein the gravel layer 1 forms a body of the gravel pile, and the mud layer 2 surrounds the gravel pile 1 and connects the gravel layer 1 with an external foundation; the liquid guide pipe 3 is at least arranged in the gravel layer 1 and is connected with the gravel layer 1 and an external foundation. The liquid guide pipe 3 plays a role in collecting the moisture in the mud layer 2 and the rubble layer 1, and outputs the collected moisture to an external foundation through the self structure and the self weight of the liquid. In the preferred embodiment of the present invention, the slurry used for manufacturing the gravel pile densely reinforces the gravel gaps in the gravel layer 1 and the gaps between the gravel layer 1 and the liquid guide tube 3, and at the same time, the slurry wraps the outside of the gravel layer 1 to form the slurry layer 2 surrounding the gravel layer 1.
In the preferred embodiment of the present invention, the liquid guiding tube 3 is a steel tube, and further preferably, the steel tube is provided with structural holes for air circulation and convenient moisture collection. In a further preferred embodiment of the present application, a geotextile 4 is disposed between the liquid guide tube 3 and the gravel layer 1, the geotextile 4 surrounds the liquid guide tube 3, so as to reduce direct contact between the liquid guide tube 3 and the gravel layer 1, protect the liquid guide tube 3, and simultaneously reserve a certain air flowable space for the whole structure of the liquid guide tube 3. In the preferred embodiment of the present invention, the reinforcing net is arranged at the periphery of the gravel layer 1, which reinforces the whole structure of the gravel pile, and defines the operation range during the forming and casting process of the gravel pile, thereby facilitating the vibration and compaction.
In the preferred embodiment of the present invention, the catheter 3 is composed of a plurality of sheathing members, and the sheathing members at least comprise a first sheathing member 301 arranged at the bottom end of the gravel pile and a second sheathing member 302 arranged on the first sheathing member 301; the first nesting component 301 comprises a fixing port (5) for fixing the first nesting component 301 in the crushed stone layer (1) and a clamping port 6 for connecting the second nesting component 302, wherein one end of the second nesting component 302 is provided with the clamping port 6, and the size of the port at the other end is matched with the size of the clamping port 6. In a preferred embodiment of the present invention, the fixing port 5 of the first nesting component 301 is flush with the lower end of the gravel pile, and the fixing port 5 has a form corresponding to the form of the gravel pile, for example, when the lower end of the gravel pile is tapered, the fixing port 5 of the first nesting component 301 is also tapered. The arrangement of the fastening port 6 of the second nesting component 302 and the fastening port 6 of the first nesting component 301 facilitates the nesting of the first nesting component 301 and/or the plurality of second nesting components 302. The first sheathing member 301 and the second sheathing member 302 are separately provided, so that the overall structure of the catheter 3 is staged, and can be timely adjusted according to the construction conditions and specific construction schemes on site.
In a further preferred embodiment of the present application, the catheter 3 is arranged at least at the bottom and/or in the middle of the gravel pile. Since the water of the soft soil foundation is collected downward to be concentrated on the middle lower portion of the gravel pile, the liquid guide tube is preferably provided at the middle lower portion of the gravel pile.
In the embodiment of the invention, the structure of the gravel pile is improved, and the drainage tube is added into the gravel pile, so that the purpose of leading the moisture in the soft soil foundation out to the bottom soil layer through the internal structure and the external structure of the gravel pile is achieved, the technical effect of fast curing of the soft soil foundation is realized, and the technical problems of low construction efficiency and influenced construction quality caused by the fact that the moisture in the soft soil foundation is difficult to guide and the curing of the soft soil foundation is slow are solved.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A gravel pile for soft soil foundations, comprising:
the gravel layer (1) forms a body of the gravel pile;
the mud layer (2) surrounds the gravel layer (1) and is connected with the gravel layer (1) and an external foundation;
a liquid guide pipe (3) which is at least arranged in the gravel layer (1) and is connected with the gravel layer (1) and an external foundation;
the liquid guide pipe (3) plays a role in collecting moisture in the mud layer (2) and the crushed stone layer (1), and the collected moisture is output to an external foundation through the self structure and the self weight of liquid.
2. A gravel pile for soft foundations according to claim 1, characterised in that the catheter (3) is a steel tube.
3. A granular stone pile for soft soil foundations as claimed in claim 2, characterized in that the steel pipe is provided with structural holes.
4. A gravel pile for soft foundations according to claim 1, characterised in that a geotextile (4) is placed between the catheter (3) and the gravel layer (1).
5. A gravel pile for soft foundations according to claim 4, characterised in that the geotextile (4) is wrapped around the catheter (3).
6. A gravel pile for soft foundations according to claim 1, characterised in that the catheter (3) consists of several sleeved members.
7. A gravel pile for soft foundations according to claim 1, characterised in that the nesting members comprise a first nesting member (301) arranged at the bottom end of the gravel pile and a second nesting member (302) arranged on the first nesting member (301).
8. A gravel pile for soft foundations according to claim 7, characterized in that the first nesting member (301) comprises a fixing port (5) for fixing the first nesting member (301) in the gravel layer (1), and a fastening port (6) for connecting the second nesting member (302).
9. A granular stone pile for soft soil foundations as claimed in claim 8, characterized in that the second nesting component (302) has a fastening port (6) at one end and a port size at the other end matching the fastening port (6).
10. A gravel pile for soft foundations according to claim 1, characterised in that the liquid guide (3) is placed at least at the bottom and/or in the middle of the gravel pile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911307890.XA CN110952530A (en) | 2019-12-17 | 2019-12-17 | Gravel pile for soft soil foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911307890.XA CN110952530A (en) | 2019-12-17 | 2019-12-17 | Gravel pile for soft soil foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110952530A true CN110952530A (en) | 2020-04-03 |
Family
ID=69982534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911307890.XA Pending CN110952530A (en) | 2019-12-17 | 2019-12-17 | Gravel pile for soft soil foundation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110952530A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111733795A (en) * | 2020-06-28 | 2020-10-02 | 中冶地集团西北岩土工程有限公司 | Collapsible loess area foundation treatment method |
| CN111997037A (en) * | 2020-08-14 | 2020-11-27 | 丁思华 | Drainage consolidation method for implementing soft soil foundation by utilizing natural gravitational potential energy |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101736738A (en) * | 2009-12-14 | 2010-06-16 | 王军 | Pressure resistance and pull-out resistance grouted gravel pile |
| CN103061328A (en) * | 2013-01-29 | 2013-04-24 | 方泰建设集团有限公司 | Post-grouting gravel pile with sand wall wing plates and construction method |
| CN203066056U (en) * | 2013-01-29 | 2013-07-17 | 方泰建设集团有限公司 | Post-grouting gravel pile with sand wall wing plates, and special immersed pipe for post-grouting gravel pile |
| US20140314497A1 (en) * | 2013-04-18 | 2014-10-23 | Henan Polytech Infrastructure Rehabilitation LTD. | Polymer grouting method for constructing gravel pile |
| CN108035344A (en) * | 2017-12-20 | 2018-05-15 | 河海大学 | A kind of permeable rigid pile of high polymer rubble and its construction technology |
| CN108277800A (en) * | 2018-01-12 | 2018-07-13 | 李溯 | A kind of consolidation layer of sand concrete reinforced pipe section broken stone pile and its construction method |
| CN207846409U (en) * | 2018-01-12 | 2018-09-11 | 李溯 | A kind of consolidation layer of sand concrete reinforced pipe section broken stone pile |
| CN108978625A (en) * | 2018-08-21 | 2018-12-11 | 中铁第五勘察设计院集团有限公司 | A kind of sand pile joint High vacuum compacting method construction of soft soil treatment engineering method |
| CN211922593U (en) * | 2019-12-17 | 2020-11-13 | 中交路桥建设有限公司 | Gravel pile for soft soil foundation |
-
2019
- 2019-12-17 CN CN201911307890.XA patent/CN110952530A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101736738A (en) * | 2009-12-14 | 2010-06-16 | 王军 | Pressure resistance and pull-out resistance grouted gravel pile |
| CN103061328A (en) * | 2013-01-29 | 2013-04-24 | 方泰建设集团有限公司 | Post-grouting gravel pile with sand wall wing plates and construction method |
| CN203066056U (en) * | 2013-01-29 | 2013-07-17 | 方泰建设集团有限公司 | Post-grouting gravel pile with sand wall wing plates, and special immersed pipe for post-grouting gravel pile |
| US20140314497A1 (en) * | 2013-04-18 | 2014-10-23 | Henan Polytech Infrastructure Rehabilitation LTD. | Polymer grouting method for constructing gravel pile |
| CN108035344A (en) * | 2017-12-20 | 2018-05-15 | 河海大学 | A kind of permeable rigid pile of high polymer rubble and its construction technology |
| CN108277800A (en) * | 2018-01-12 | 2018-07-13 | 李溯 | A kind of consolidation layer of sand concrete reinforced pipe section broken stone pile and its construction method |
| CN207846409U (en) * | 2018-01-12 | 2018-09-11 | 李溯 | A kind of consolidation layer of sand concrete reinforced pipe section broken stone pile |
| CN108978625A (en) * | 2018-08-21 | 2018-12-11 | 中铁第五勘察设计院集团有限公司 | A kind of sand pile joint High vacuum compacting method construction of soft soil treatment engineering method |
| CN211922593U (en) * | 2019-12-17 | 2020-11-13 | 中交路桥建设有限公司 | Gravel pile for soft soil foundation |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111733795A (en) * | 2020-06-28 | 2020-10-02 | 中冶地集团西北岩土工程有限公司 | Collapsible loess area foundation treatment method |
| CN111997037A (en) * | 2020-08-14 | 2020-11-27 | 丁思华 | Drainage consolidation method for implementing soft soil foundation by utilizing natural gravitational potential energy |
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