CN110952530B - Gravel pile for soft soil foundation - Google Patents
Gravel pile for soft soil foundation Download PDFInfo
- Publication number
- CN110952530B CN110952530B CN201911307890.XA CN201911307890A CN110952530B CN 110952530 B CN110952530 B CN 110952530B CN 201911307890 A CN201911307890 A CN 201911307890A CN 110952530 B CN110952530 B CN 110952530B
- Authority
- CN
- China
- Prior art keywords
- layer
- crushed stone
- gravel pile
- gravel
- foundation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000002689 soil Substances 0.000 title claims abstract description 36
- 239000004575 stone Substances 0.000 claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 239000002002 slurry 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 14
- 238000000034 method Methods 0.000 abstract description 7
- 238000007711 solidification Methods 0.000 description 10
- 230000008023 solidification Effects 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 241000270295 Serpentes Species 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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)
- Civil Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Soil Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Piles And Underground Anchors (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a gravel pile for a soft soil foundation, which comprises a gravel layer and a body for forming the gravel pile; the slurry layer surrounds the crushed stone layer and is connected with the crushed stone layer and an external foundation; a catheter arranged at least in the crushed stone layer and connecting the crushed stone layer and an external foundation; the liquid guide tube plays a role in collecting moisture in the slurry layer and the crushed stone layer, and outputs the collected moisture to an external foundation through the self structure and the liquid dead weight. The method solves the technical problems of low construction efficiency and affected construction quality caused by the fact that moisture in the soft soil foundation is not easy to be guided and the soft soil foundation is slow to solidify.
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
As the construction projects of road extension increase, the extension of bridges and roads on soft foundations is also a subject of research. The liquefaction and instability of the soft foundation due to its own structure determine that the extension engineering on the soft foundation is more prone to foundation consolidation and solidification of the soft foundation. The overlap joint of new and old roadbed on the soft soil foundation has very big relation with the solidification degree of soft soil foundation self, how to realize the solidification of soft soil foundation in the shorter time, has decided the efficiency and the quality of construction.
Disclosure of Invention
The invention mainly aims to provide a gravel pile for a soft soil foundation, which aims to solve the technical problems of low construction efficiency and affected construction quality caused by difficult diversion of water in the soft soil foundation and slow solidification of the soft soil foundation.
In order to achieve the above object, there is provided a gravel pile for a soft soil foundation.
The gravel pile for soft soil foundations according to the present invention comprises:
The gravel layer forms a body of the gravel pile;
the slurry layer surrounds the crushed stone layer and is connected with the crushed stone layer and an external foundation;
a catheter arranged at least in the crushed stone layer and connecting the crushed stone layer and an external foundation;
the liquid guide tube plays a role in collecting moisture in the slurry layer and the crushed stone layer, and outputs the collected moisture to an external foundation through the self structure and the liquid dead weight.
Further, the liquid guide tube is a steel tube.
Further, structural holes are formed in the steel pipes.
Further, geotextile is arranged between the liquid guide tube and the crushed stone layer.
Further, the geotextile is looped around the catheter.
Further, the catheter is composed of a plurality of sheathing members.
Further, the sleeving member comprises a first sleeving member arranged at the bottom end of the gravel pile and a second sleeving member arranged on the first sleeving member.
Further, the first sheathing member includes a fixing port for fixing the first sheathing member in the stone layer, and a clamping port for connecting the second sheathing member.
Further, one end of the second sleeving component 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 application, the structure of the gravel pile is improved, and the purpose that the water in the soft soil foundation is led out to the bottom soil layer through the inner structure and the outer structure of the gravel pile is achieved by adding the liquid guide pipe into the gravel pile, so that the technical effect of quick solidification of the soft soil foundation is achieved, and the technical problems that the construction efficiency is low and the construction quality is affected because the water in the soft soil foundation is not easy to flow and the solidification of the soft soil foundation is slow are solved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the application and to provide a further understanding of the application with the aid of the application. The drawings and their description of exemplary embodiments of the present application are intended to illustrate the present application and are not to be construed as unduly limiting the present application. In the drawings:
fig. 1 is a schematic view of a gravel pile for a 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 sheathing member; 302: a second sheathing member; 4: geotextile; 5: a fixed port; 6: and clamping the port.
Detailed Description
In order to make the application of the present invention better understood by those skilled in the art, the following description will clearly and completely describe the technical solution in the application of the present invention with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the application of the present invention, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the inventor, are intended to be within the scope of the present application based on the embodiments herein.
It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the present application 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 an azimuth or a positional relationship based on that 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 device, element or component to a particular orientation or to be constructed and operated in a particular orientation.
Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present application will be understood by those of ordinary skill in the art in view of the specific circumstances.
Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may 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 meaning of the above terms in the present application will be understood by those of ordinary skill in the art according to the specific circumstances.
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
In the construction process, the soft soil foundation is reinforced by adopting the pile foundation, so that the liquefaction degree of the soft soil foundation can be effectively stabilized, meanwhile, the pile foundation can be used as a guide column for liquid, and the moisture in the foundation is guided into the stratum or the underground river below the soft soil foundation, so that the solidification of the soft soil foundation is accelerated. How to better utilize the pile foundation to solidify the soft soil foundation, and maintain the solidification degree of the soft soil foundation at the later stage at the same time becomes a new research direction.
As shown in fig. 1, the present application relates to a gravel pile for soft soil foundation, comprising a gravel layer 1, a slurry layer 2 and a liquid guiding tube 3, wherein the gravel layer 1 forms a body of the gravel pile, the slurry layer 2 surrounds the gravel pile 1, and the gravel layer 1 is connected with an external foundation; the catheter 3 is arranged at least in the crushed stone layer 1, connecting the crushed stone layer 1 and an external foundation. The liquid guide tube 3 plays a role in collecting moisture in the slurry layer 2 and the crushed stone layer 1, and outputs the collected moisture to an external foundation through a self-structure and liquid dead weight. In the preferred embodiment of the present application, the slurry for making the gravel pile compacts and consolidates the gravel gap in the gravel layer 1 and the gap between the gravel layer 1 and the catheter 3, and at the same time, the slurry wraps the outside of the gravel layer 1 to form a 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, a structural hole for air circulation and convenient water collection is arranged on the steel tube. In a further preferred embodiment of the present application, a geotextile 4 is disposed between the catheter 3 and the crushed stone layer 1, the geotextile 4 surrounds the catheter 3, so that the catheter 3 is reduced to be in direct contact with the crushed stone layer 1, the catheter 3 is protected, and meanwhile, a certain air flowable space is reserved for the overall structure of the catheter 3. In the preferred embodiment of the invention, the reinforced net is arranged at the periphery of the gravel layer 1, plays a role in reinforcing the integral structure of the gravel pile, and simultaneously, is convenient to vibrate and compact by delineating the range of operation in the process of forming and casting the gravel pile.
In a preferred embodiment of the present application, the catheter 3 is composed of a plurality of sheathing members, which at least include a first sheathing member 301 disposed at the bottom end of the gravel pile and a second sheathing member 302 disposed on the first sheathing member 301; the first sleeving member 301 comprises a fixing port (5) for fixing the first sleeving member 301 in the stone layer (1), and a clamping port 6 for connecting the second sleeving member 302, one end of the second sleeving member 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 sheathing member 301 is flush with the lower port of the gravel pile, and the fixing port 5 is configured to match the structural form of the gravel pile, such as when the lower port of the gravel pile is tapered, the fixing port 5 of the first sheathing member 301 is also tapered. The clamping port 6 of the second sleeving member 302 and the clamping port 6 of the first sleeving member 301 facilitate sleeving between the first sleeving member 301 and/or the plurality of second sleeving members 302. The first sleeving member 301 and the second cobra member 302 are separately arranged, so that the overall structure of the catheter 3 is staged, and the catheter can be timely adjusted according to the site construction condition and the specific construction scheme.
In a further preferred embodiment of the present application, the catheter 3 is arranged at least in the bottom and/or in the middle of the gravel pile. The drainage tube is preferably disposed at the middle lower portion of the gravel pile because the water of the soft soil foundation gathers downward at the middle lower portion of the gravel pile.
In the embodiment of the application, the structure of the gravel pile is improved, and the purpose that the water in the soft soil foundation is led out to the bottom soil layer through the inner structure and the outer structure of the gravel pile is achieved by adding the liquid guide pipe into the gravel pile, so that the technical effect of quick solidification of the soft soil foundation is achieved, and the technical problems that the construction efficiency is low and the construction quality is affected because the water in the soft soil foundation is not easy to flow and the solidification of the soft soil foundation is slow are solved.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and changes will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (5)
1. A gravel pile for a soft soil foundation, comprising:
the gravel layer (1) forms a body of the gravel pile;
a slurry layer (2) surrounding the crushed stone layer (1) and connecting the crushed stone layer (1) with an external foundation;
A catheter (3) arranged at least in the crushed stone layer (1) and connecting the crushed stone layer (1) with an external foundation;
the liquid guide tube (3) plays a role in collecting the moisture in the slurry layer (2) and the crushed stone layer (1), and outputs the collected moisture to an external foundation through the self structure and the liquid dead weight;
the liquid guide tube (3) consists of a plurality of sleeved components;
the sleeving components comprise a first sleeving component (301) arranged at the bottom end of the gravel pile and a second sleeving component (302) arranged on the first sleeving component (301);
The first sleeving member (301) comprises a fixing port (5) for fixing the first sleeving member (301) in the crushed stone layer (1), and a clamping port (6) for connecting the second sleeving member (302);
one end of the second sleeving component (302) is provided with a clamping port (6), and the port size of the other end is matched with the clamping port (6);
the liquid guide tube (3) is a steel tube.
2. A gravel pile for soft soil foundations according to claim 1, wherein said steel pipe is provided with structural holes.
3. Gravel pile for soft foundations according to claim 1, characterized in that geotextile (4) is arranged between the catheter (3) and the gravel layer (1).
4. A gravel pile for soft foundations according to claim 3, characterized in that the geotextile (4) is looped around the catheter (3).
5. A gravel pile for soft foundations according to claim 1, characterized in that the drainage tube (3) is arranged 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 CN110952530B (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 CN110952530B (en) | 2019-12-17 | 2019-12-17 | Gravel pile for soft soil foundation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110952530A CN110952530A (en) | 2020-04-03 |
| CN110952530B true CN110952530B (en) | 2024-11-01 |
Family
ID=69982534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911307890.XA Active CN110952530B (en) | 2019-12-17 | 2019-12-17 | Gravel pile for soft soil foundation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110952530B (en) |
Families Citing this family (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 (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101736738B (en) * | 2009-12-14 | 2011-04-13 | 温州大学 | Production method of pressure resistance and pull-out resistance grouted gravel pile |
| CN103061328B (en) * | 2013-01-29 | 2015-01-14 | 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 |
| CN103233468A (en) * | 2013-04-18 | 2013-08-07 | 河南博特工程防护有限公司 | Polymer gravel pile grouting method |
| 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 |
-
2019
- 2019-12-17 CN CN201911307890.XA patent/CN110952530B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110952530A (en) | 2020-04-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Li et al. | A bottom-to-up drainage and water pressure reduction system for railway tunnels | |
| CN110952530B (en) | Gravel pile for soft soil foundation | |
| CN105927272A (en) | Floor anchoring constraint tunnel lining structure | |
| CN208441890U (en) | Long-distance reverse slope drainage system for construction tunnel | |
| CN102605793B (en) | Moisture transfer and ecological management method for loess slope | |
| CN103410210B (en) | Water-absorbing fiber percolation pipe and dewatering device | |
| CN109577122A (en) | A kind of vertical drainage road structure based on electro-osmosis method | |
| CN108798775A (en) | A kind of jacking construction active well | |
| CN204551510U (en) | A kind of filled-up ground catchments pressure reduction well drop and drainage structure | |
| CN204174636U (en) | In-situ deposited prefabricated combined retaining wall structure | |
| CN108755722A (en) | The drainage arrangement and water discharge method in tunnel and underground structure | |
| CN212958756U (en) | Intelligent water drainage pressure reducing device for water-rich tunnel | |
| CN211922593U (en) | Gravel pile for soft soil foundation | |
| CN107448217A (en) | A kind of practical tunnel lining trolley vibrating system | |
| CN103726514B (en) | The anti-leakage structure of diaphragm wall and anti-seepage construction method | |
| CN203741818U (en) | Drainage type prefabricated tubular pile structure with supporting disc | |
| CN107217608B (en) | Town road edge water seepage mechanism and its construction method | |
| CN208168937U (en) | A kind of tunnel bottom discharge structure | |
| CN207362980U (en) | Biological detention area overflow weir | |
| CN208309592U (en) | Foundation pit supporting structure | |
| CN107700500B (en) | Slope retaining structure and slope supporting drain integral system | |
| CN106836287B (en) | A kind of construction method of pipe gallery | |
| CN113494096B (en) | Splicing type reinforcing device for gravel soil of steep slope in mountain area | |
| CN206015511U (en) | One implant post steel pipe column | |
| CN102677660B (en) | Quick pile-forming method and method for quickly building urban flyover by quick pile-forming method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |