CN104563107A - T-shaped inflatable anchor rod and high water content embankment reinforcement method thereof - Google Patents
T-shaped inflatable anchor rod and high water content embankment reinforcement method thereof Download PDFInfo
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- CN104563107A CN104563107A CN201510001116.1A CN201510001116A CN104563107A CN 104563107 A CN104563107 A CN 104563107A CN 201510001116 A CN201510001116 A CN 201510001116A CN 104563107 A CN104563107 A CN 104563107A
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- Prior art keywords
- font
- anchor bar
- pipe
- embankment
- inflation anchor
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- 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
- E02D5/74—Means for anchoring structural elements or bulkheads
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C3/00—Foundations for pavings
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention provides a T-shaped inflatable anchor rod and a high water content embankment reinforcement method thereof. The T-shaped inflatable anchor rod comprises an inflatable pipe, a T-shaped pipe, steel rings and rubber films; the upper end of the inflatable pipe is provided with an inflation hole; the lower end of the inflatable pipe is connected with the end portion of a vertical pipe of the T-shaped pipe; each end of a horizontal pipe of the T-shaped pipe is provided with air holes and the corresponding rubber film; each rubber film is fixedly arranged on the horizontal pipe of the T-shaped pipe through the corresponding steel ring; each rubber film is provided with the corresponding air holes. According to the T-shaped inflatable anchor rod, the structure is simple and the construction is convenient and the treatment effect is good when the treatment is performed on a high water content embankment.
Description
Technical field
The present invention relates to a kind of embankment reinforcement means, relate to a kind of T font inflation anchor bar specifically and reinforce high-moisture embankment method.
Background technology
Roadbed has embankment, cutting, side-hill fill and fills out forms such as digging combination, wherein embankment refers to all with the roadbed that ground fills, mainly bearing the deadweight of the soil body and the gravity of road structure, also bear the traffic load transmitted by road surface simultaneously, is the main supporting part of road.Therefore, embankment is reinforced is guarantee that embankment has the important step of enough strength and stabilities.
At present when processing soft soil roadbed, utilize weak soil can produce the characteristic of crimp under pressure and have developed a kind of aerated anchor pole.Compared with conventional anchor, its the most significant feature is except in inflation extrusion process, larger extruding load can be provided and increase outside the normal stress on rubber membrane and surrounding soil contact surface, also because filling anchoring can be carried out immediately after its construction, greatly can improve the consolidation effect of high-moisture embankment and shorten the construction period.But at present in soft soil roadbed, the inflation anchor bar ubiquity anchor rod body particularly in high-moisture embankment is long, construction is more difficult, involve great expense and the shortcoming such as treatment effect is not ideal enough.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of structure simple, construction is simple, convenient, and for the good T font inflation anchor bar of high-moisture embankment consolidation effect and reinforce high-moisture embankment method.
The technical solution used in the present invention is:
A kind of T font inflation anchor bar, comprise gas tube, T font pipe, steel loop and rubber membrane, the upper end of described gas tube is provided with air-filled pore, lower end is connected with the end of T font pipe vertical tube, the two ends place of T font pipe transverse tube is provided with pore and rubber membrane, rubber membrane is fixedly mounted on the transverse tube of T font pipe by steel loop, and pore is positioned at rubber membrane.
In above-mentioned T font inflation anchor bar, the material of described gas tube and T font pipe is polyvinyl chloride pipe (pvc pipe) or steel pipe.
In above-mentioned T font inflation anchor bar, described pore is quincuncial arrangement on the transverse tube of T font pipe.
In above-mentioned T font inflation anchor bar, the vertical tube junction of described gas tube and T font pipe is provided with rubber sleeve.
In above-mentioned T font inflation anchor bar, described rubber membrane thickness is 5 ~ 8mm, and described rubber sleeve thickness is 8 ~ 10mm.
A kind of step utilizing above-mentioned T font inflation anchor bar to reinforce high-moisture embankment method is as follows:
1) scene is explored, original position experiment and laboratory test, obtain the physical and mechanical parameter of high-moisture embankment, physical and mechanical parameter comprises: the angle of internal friction of the soil body, cohesion, natural moisture content and unit weight;
2) Fig. 5 is seen according to high-moisture embankment 8() physical and mechanical parameter of weak soil, the spacing between the length of the T font inflation anchor bar needed for anchoring of computational analysis high-moisture embankment 8, adjacent T font inflation anchor bar and the blowing pressure of T font inflation anchor bar;
3) according to step 2) in the length of T font inflation anchor bar that calculates, make the T font inflation anchor bar of corresponding size;
4) according to the anchor spacing of above-mentioned calculating, at embankment two-sided measurement unwrapping wire, the position, hole of T font inflation anchor bar axis is determined;
5) at position, hole location arrangements also fixing T font inflation anchor bar, the landfill high-moisture soil body, and compaction subgrade;
6) inflation extruding high-moisture embankment in T font inflation anchor bar, until the degree of compaction of high-moisture embankment reaches designing requirement, then carries out anchoring to filling mortar in rubber membrane.
The above-mentioned T font inflation anchor bar that utilizes is reinforced in high-moisture embankment method, and in step 4), the position, hole of the T font inflation anchor bar axis of embankment both sides is symmetrical arranged.
The above-mentioned T font inflation anchor bar that utilizes is reinforced in high-moisture embankment method, and in step 5), described T font inflation anchor bar is arranged in the following manner: the transverse tube of the T font pipe of adjacent two T font inflation anchor bars is vertically arranged mutually.
Compared with prior art, beneficial effect of the present invention is: the present invention adopts T font inflation anchor bar bilateral symmetry in high-moisture embankment to arrange, and the transverse tube of adjacent T font inflation anchor bar T font pipe is mutually vertical, save material on the one hand, reduce costs, add the contact surface of rubber membrane and the soil body on the other hand, the water in the soil body is more easily discharged, and the T font inflation anchor bar after slurry placement improves the shear strength of the soil body; Comparatively applicable to process high-moisture embankment; T font inflation anchor bar structure of the present invention is simple, and easy construction, treatment effect is good.
Accompanying drawing explanation
Fig. 1 is the structural representation of T font inflation anchor bar of the present invention.
Fig. 2 is the structural representation of the gas tube of T font inflation anchor bar of the present invention.
Fig. 3 is the structural representation of the T font pipe of T font inflation anchor bar of the present invention.
Fig. 4 is I-I sectional view in Fig. 1.
Fig. 5 is the profile that T font inflation anchor bar of the present invention is applied in embankment.
Fig. 6 is T font inflation anchor bar of the present invention when arranging in embankment, the arrangement diagram of adjacent T font inflation anchor bar.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further illustrated.
As Figure 1-4, T font inflation anchor bar of the present invention comprises gas tube 2, T font pipe 3, rubber membrane 4, steel loop 5 and rubber sleeve 7, the top of described gas tube 2 is provided with air-filled pore 1, lower end is connected with the end of the vertical tube 31 of T font pipe 3, junction is provided with rubber sleeve 7, can prevent junction from leaking gas.The two ends place of the transverse tube 32 of described T font pipe 3 is provided with the pore 6 of quincuncial arrangement, and described rubber membrane 4 is arranged on the two ends of the transverse tube 32 of T font pipe 3 by steel loop 5, pore 6 is positioned at rubber membrane 4.The material that described gas tube 2 and T font pipe 3 adopt is pvc pipe, also can be steel pipe.The thickness of described rubber membrane 4 is 5 ~ 8mm, and the thickness of described rubber sleeve 7 is 8 ~ 10mm.
As shown in Figure 5,6, utilize above-mentioned T font inflation anchor bar to reinforce high-moisture embankment method, comprise the steps:
1) scene is explored, original position experiment and laboratory test, obtain the physical and mechanical parameter of high-moisture embankment 8, physical and mechanical parameter comprises: the angle of internal friction of the soil body, cohesion, natural moisture content and unit weight;
2) according to the physical and mechanical parameter of the high-moisture embankment 8 obtained, the spacing between the length of the T font inflation anchor bar needed for the anchoring of computational analysis high-moisture embankment 8, adjacent T font inflation anchor bar and the blowing pressure of T font inflation anchor bar;
3) according to step 2) in the length of T font inflation anchor bar that calculates, make the T font inflation anchor bar of corresponding size;
4) according to the anchor spacing of above-mentioned calculating, at embankment 8 two-sided measurement unwrapping wire, measuring goes out the position, hole of T font inflation anchor bar axis, and hole position error is not more than 1cm; The position, hole of the T font inflation anchor bar axis of embankment 8 both sides is symmetrical arranged;
5) at position, hole location arrangements also fixing T font inflation anchor bar, the landfill high-moisture soil body, and compaction subgrade; The arrangement of T font inflation anchor bar is: the transverse tube of the T font pipe of adjacent T font inflation anchor bar is vertically arranged mutually;
6) inflate in T font inflation anchor bar, make the rubber membrane 4 of T font inflation anchor bar extrude the high-moisture soil body of periphery, then be the cement mortar of M7.5 to T font inflation anchor bar inside injection intensity.
Claims (8)
1. a T font inflation anchor bar, it is characterized in that: comprise gas tube, T font pipe, steel loop and rubber membrane, the upper end of described gas tube is provided with air-filled pore, lower end is connected with the end of T font pipe vertical tube, the two ends place of T font pipe transverse tube is provided with pore and rubber membrane, rubber membrane is fixedly mounted on the transverse tube of T font pipe by steel loop, and pore is positioned at rubber membrane.
2. T font inflation anchor bar according to claim 1, is characterized in that: the material of described gas tube and T font pipe is polyvinyl chloride pipe or steel pipe.
3. T font inflation anchor bar according to claim 1, is characterized in that: described pore is quincuncial arrangement on the transverse tube of T font pipe.
4. T font inflation anchor bar according to claim 1, is characterized in that: the vertical tube junction of described gas tube and T font pipe is provided with rubber sleeve.
5. T font inflation anchor bar according to claim 1, it is characterized in that: described rubber membrane thickness is 5 ~ 8mm, described rubber sleeve thickness is 8 ~ 10mm.
6. utilize the T font inflation anchor bar described in the arbitrary claim of claim 1-5 to reinforce a high-moisture embankment method, comprise the steps:
Scene is explored, original position experiment and laboratory test, obtain the physical and mechanical parameter of high-moisture embankment 8, physical and mechanical parameter comprises: the angle of internal friction of the soil body, cohesion, natural moisture content and unit weight;
2) according to the physical and mechanical parameter of high-moisture embankment 8, the spacing between the length of the T font inflation anchor bar needed for computational analysis anchoring high-moisture embankment 8, adjacent T font inflation anchor bar and the blowing pressure of T font inflation anchor bar;
3) according to step 2) in the length of T font inflation anchor bar that calculates, make the T font inflation anchor bar of corresponding size;
According to the anchor spacing of above-mentioned calculating, at embankment two-sided measurement unwrapping wire, determine the position, hole of T font inflation anchor bar axis;
At position, hole location arrangements also fixing T font inflation anchor bar, the landfill high-moisture soil body, and compaction subgrade;
In T font inflation anchor bar, inflation extruding high-moisture embankment, until the degree of compaction of high-moisture embankment reaches designing requirement, then carries out anchoring to filling mortar in rubber membrane.
7. the T font inflation anchor bar that utilizes according to claim 6 reinforces high-moisture embankment method, and in step 4), the position, hole of the T font inflation anchor bar axis of embankment both sides is symmetrical arranged.
8. the T font inflation anchor bar that utilizes according to claim 6 reinforces high-moisture embankment method, and in step 5), described T font inflation anchor bar is arranged in the following manner: the transverse tube of the T font pipe of adjacent two T font inflation anchor bars is vertically arranged mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510001116.1A CN104563107A (en) | 2015-01-04 | 2015-01-04 | T-shaped inflatable anchor rod and high water content embankment reinforcement method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510001116.1A CN104563107A (en) | 2015-01-04 | 2015-01-04 | T-shaped inflatable anchor rod and high water content embankment reinforcement method thereof |
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| CN104563107A true CN104563107A (en) | 2015-04-29 |
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| CN201510001116.1A Pending CN104563107A (en) | 2015-01-04 | 2015-01-04 | T-shaped inflatable anchor rod and high water content embankment reinforcement method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9207607U1 (en) * | 1991-06-11 | 1992-08-27 | Claus, Hermann, Bad Ragaz | Stabilization arrangement for traffic routes |
| CN202323943U (en) * | 2011-12-01 | 2012-07-11 | 湖南科技大学 | Branch-shaped inflatable anti-floating anchor rod of soft-soil foundation region |
| CN103352477A (en) * | 2013-07-12 | 2013-10-16 | 青岛理工大学 | Vertical pres-stressed anchor rod gravity-type composite retaining wall and method for designing and constructing retaining wall |
| CN203701091U (en) * | 2014-02-14 | 2014-07-09 | 湖南科技大学 | Soft foundation inflation anchor rod |
| CN204401616U (en) * | 2015-01-04 | 2015-06-17 | 湖南科技大学 | T font inflation anchor bar |
-
2015
- 2015-01-04 CN CN201510001116.1A patent/CN104563107A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9207607U1 (en) * | 1991-06-11 | 1992-08-27 | Claus, Hermann, Bad Ragaz | Stabilization arrangement for traffic routes |
| CN202323943U (en) * | 2011-12-01 | 2012-07-11 | 湖南科技大学 | Branch-shaped inflatable anti-floating anchor rod of soft-soil foundation region |
| CN103352477A (en) * | 2013-07-12 | 2013-10-16 | 青岛理工大学 | Vertical pres-stressed anchor rod gravity-type composite retaining wall and method for designing and constructing retaining wall |
| CN203701091U (en) * | 2014-02-14 | 2014-07-09 | 湖南科技大学 | Soft foundation inflation anchor rod |
| CN204401616U (en) * | 2015-01-04 | 2015-06-17 | 湖南科技大学 | T font inflation anchor bar |
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Application publication date: 20150429 |
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