CN110144904A - It is a kind of to face upward inclined discharge structure and its construction method with anchoring function certainly - Google Patents
It is a kind of to face upward inclined discharge structure and its construction method with anchoring function certainly Download PDFInfo
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- CN110144904A CN110144904A CN201910490634.2A CN201910490634A CN110144904A CN 110144904 A CN110144904 A CN 110144904A CN 201910490634 A CN201910490634 A CN 201910490634A CN 110144904 A CN110144904 A CN 110144904A
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- 238000004873 anchoring Methods 0.000 title claims abstract description 77
- 238000010276 construction Methods 0.000 title claims abstract description 25
- 238000007789 sealing Methods 0.000 claims abstract description 39
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 34
- 239000010959 steel Substances 0.000 claims abstract description 34
- 238000005520 cutting process Methods 0.000 claims abstract description 18
- 239000002002 slurry Substances 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- 238000005553 drilling Methods 0.000 claims description 18
- 230000008961 swelling Effects 0.000 claims description 15
- 239000002689 soil Substances 0.000 claims description 8
- 239000003673 groundwater Substances 0.000 claims description 6
- 239000004570 mortar (masonry) Substances 0.000 claims description 6
- 239000003566 sealing material Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 230000008595 infiltration Effects 0.000 claims description 3
- 238000001764 infiltration Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000003111 delayed effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 9
- 239000011435 rock Substances 0.000 description 5
- 239000011083 cement mortar Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 239000004576 sand Substances 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000007596 consolidation process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 241000512259 Ascophyllum nodosum Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
- E02D17/207—Securing of slopes or inclines with means incorporating sheet piles or piles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Piles And Underground Anchors (AREA)
Abstract
Inclined discharge structure is faced upward with anchoring function certainly the invention discloses a kind of, it include: anchor tube main body, anchor tube main body includes: steel tube body, spiral cutting edge, steel tube body is divided into axial sequentially connected draining section, sealing section, anchoring section and pile top, it drains and offers multiple drainage holes on the tube wall of section, drain and dispose drainage body in section lumen, offer multiple slurry outlets on the tube wall of anchoring section, spiral cutting edge helically banding ring on the outer tube wall for being set to anchoring section；Water-stop body, comprising: interior water-stop body and outer water-stop body, interior water-stop body are arranged in the lumen of sealing section, and outer water-stop body is annularly arranged on the outer tube wall of sealing section；And Grouting Pipe, it is arranged in the lumen of steel tube body, one end of Grouting Pipe is located in anchoring section, and the other end passes through interior water-stop body and extends to except the end face of draining section.And matched construction method is provided simultaneously, and to simplify draining and the anchoring operation in side slope protection, facilitates construction, shorten the construction period, save the cost.
Description
Technical field
The present invention relates to side slope protection, crag punishment, deep foundation pit support, tunnels and underground engineering draining support technology necks
Domain, and in particular to a kind of to face upward inclined discharge structure and its construction method with anchoring function certainly.
Background technique
In side slope protection, crag punishment, deep foundation pit support, tunnels and underground engineering draining Bracing Process, need to cunning
Rock And Soil near dynamic face or the plane of fracture, unfavorable structural plane carries out draining respectively and handles with anchoring, to avoid or reduce Rock And Soil
Appearance slides, falls, toppling over, geological problems or the disease such as chip off-falling.Existing Treatment Methods are usually reinforced on Rock And Soil quasi-
It is drilled with the drainage hole for facing upward inclined respectively and is used for the anchor hole of support reinforcement anchor pole (rope), drilling operation repeats, and subsequent also wants
The operations such as lower bolt (rope), casting anchoring are carried out, construction technology is cumbersome, and the duration is longer, at high cost.
Summary of the invention
Have between this, the present invention propose it is a kind of with facing upward inclined discharge structure and its construction method from anchoring function, with
Simplify the draining in side slope protection and anchoring operation, facilitates construction, shorten the construction period, save the cost.
To reach above-mentioned technical effect, on the one hand, the present invention provide it is a kind of with from anchoring function face upward inclined draining tie
Structure, comprising:
Anchor tube main body, comprising: steel tube body and spiral cutting edge, the steel tube body be divided into axial sequentially connected draining section,
Sealing section, anchoring section and pile top, it is described draining section tube wall on offer multiple drainage holes, opened up on the tube wall of the anchoring section
Have multiple slurry outlets, the spiral cutting edge helically banding ring on the outer tube wall for being set to the anchoring section；
Water-stop body is water-swellable sealing material, and the water-stop body includes: interior water-stop body and outer water-stop body, it is described in only
Water body is arranged in the lumen of the sealing section, and the outer water-stop body is annularly arranged on the outer tube wall of sealing section；
Grouting Pipe is arranged in the lumen of the steel tube body, and one end of the Grouting Pipe is located in the anchoring section, another
It holds across the interior water-stop body and extends to except the end face of the draining section；And
Drainage body: it is filled in the lumen of the draining section.
Preferably, the outer water-stop body is fixed on the sealing section outer tube wall, and before non-water swelling, the outer sealing
The outer rim of body is less than the outer rim of the spiral cutting edge, and after water swelling, the outer rim of the outer water-stop body is not less than the circular knife
The outer rim of sword.
Preferably, the interior water-stop body is fixed on the outer tube wall of the Grouting Pipe, and before non-water swelling, it is described in only
The outer rim of water body is less than the inner tubal wall of the Grouting Pipe, after water swelling, outer rim and the Grouting Pipe of the interior water-stop body
Inner tubal wall is in close contact.
Preferably, the drainage body is detachable prefabricated water permeable member, alternatively, to load the bag weaved of gravel.
Preferably, the position by close end of the draining section is provided with externally reinforced component.
On the other hand, the present invention, which goes back while providing, faces upward applying for inclined discharge structure with anchoring function certainly using above-mentioned
Work method, comprising the following steps:
S1, the fixed outer water-stop body on the outer tube wall of sealing section；
S2, will the acclivitous drilling of anchor tube main body in stratum；
S3, the fixed interior water-stop body on the outer tube wall of Grouting Pipe；
S4, Grouting Pipe is inserted into the lumen of anchor tube main body steel tube body, is located at interior water-stop body in the sealing section of steel tube body,
And the inner end of Grouting Pipe is located in the anchoring section of steel tube body；
S5, the infiltration expansion of water-stop body water-filling, close the lumen in sealing section and the hole outside sealing section；
S6, mortar is injected to anchoring section by Grouting Pipe, makes mortar full of the lumen in anchoring section and the hole outside anchor section；
S7, drainage body is disposed into the lumen of draining section.
Preferably, the draining section of the steel tube body, the length of sealing section and anchoring section are selected according to the case where formation at target locations.
Preferably, when the stratum of rich groundwater is constructed, swollen measure is delayed in the outer peripheral surface setting of the water-stop body, alternatively,
Water-stop body uses slow expansion type sealing material.
Preferably, it during or before above-mentioned work is implemented, completes the prefabricated water permeable member of drainage body or works out bagged sand gravel
Production.
Preferably, the hole on the outside of the draining section is collapsed filling automatically by the ground layer soil body around hole.
Preferably, after completing step S7, externally reinforced component is connected at the position on the exposing stratum of draining section.
Compared with prior art, the beneficial effects of the present invention are as follows:
1, it is directly used using anchor tube main body as drilling tool, anchor tube main body is placed to the mesh on stratum by a drilling operation
Cursor position anchors stratum with anchoring section, to drain section alternative drain hole, by drainage hole in the prior art and anchor hole
It is combined as a whole, anchoring and draining are realized in once-through operation, and simple process is easy for construction, effectively shorten the construction period, save construction
Cost；
2, the draining section of steel tube body, the length of sealing section and anchoring section, can be adjusted according to the actual needs of Different Strata
It is whole, different operating conditions is adapted to, it is adaptable；
3, spiral cutting edge can expand the aperture of drilling, and have the characteristics that one-way, and drilling can be real after reaching predetermined position
Now from anchoring, withdrawal resistance is effectively improved；
4, it drains in the steel tube body of section and is filled with drainage body, prevent in the larger situation of hydraulic pressure, groundwater velocity is too fast to lead
The loss of fine aggregate in the soil body is caused, and can be replaced, the later period maintenance and maintenance of side slope protection are convenient to；
5, it can be used for side slope, Landslide, Dangerous Rock Body draining improvement and rapid reinforcement, it can also be used to tunnel and underground work
Journey, water drainage of deep foundation pit and consolidation process etc., it is applied widely.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of inventive embodiments；
Fig. 2 is the schematic cross-sectional view of A-A section in Fig. 1；
Fig. 3 is the schematic cross-sectional view of B-B section in Fig. 1；
Fig. 4 is the schematic cross-sectional view of C-C section in Fig. 1；
Fig. 5 is the use state diagram of the embodiment of the present invention；
Appended drawing reference: 100-, which has from anchoring function, faces upward inclined discharge structure, 1- anchor tube main body, 11- steel tube body, 111-
Draining section, 112- sealing section, 113- anchoring section, 114- pile top, 115- drainage hole, 116- slurry outlet, 12- spiral cutting edge, 2- stop
Water body, water-stop body in 21-, the outer water-stop body of 22-, 3- Grouting Pipe, 4- drainage body, the externally reinforced component of 5-.
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solution of the present invention.Following embodiment is only used for
Clearly illustrate technical solution of the present invention, therefore be only used as example, and cannot be used as a limitation and limit protection model of the invention
It encloses.In the description of the present patent application, it is to be understood that term " on ", "lower", "front", "rear", "left", "right" etc., instruction
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the present invention and simplification retouch
It states, rather than the component of indication or suggestion meaning or structure must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.
As shown in Figures 1 to 4, provided in this embodiment with inclined discharge structure 100 is faced upward from anchoring function, mainly
Structure includes: anchor tube main body 1, water-stop body 2, Grouting Pipe 3 and drainage body 4.
Referring to Fig. 1, anchor tube main body 1 includes: steel tube body 11 and spiral cutting edge 12, and steel tube body 11 divides to be sequentially connected in axial direction
Draining section 111, sealing section 112, anchoring section 113 and pile top 114, drain section 111 tube wall on offer multiple drainage holes
115, multiple slurry outlets 116 are offered on the tube wall of anchoring section 113, and the slurry outlet 116 in the present embodiment is staggered, a sand
Slurry is uniformly entered in the hole outside steel tube body 11 out of steel tube body 11 by slurry outlet 116, realizes uniformly filling；Spiral cutting edge
12 helically banding ring form drill bit knot together with anchoring section 113 and pile top 114 on the outer tube wall for being set to anchoring section 113
Structure is crept into directly to pass through anchor tube main body 1.Because spiral cutting edge 12 can expand the aperture of drilling, and have one-way special
Point, drilling can be realized after reaching predetermined position from anchoring, and effectively improve withdrawal resistance.
Referring to Fig. 1 and Fig. 3, water-stop body 2 includes: interior water-stop body 21 and outer water-stop body 22, and interior water-stop body 21 is arranged in sealing
In the lumen of section 112, outer water-stop body 22 is annularly arranged on the outer tube wall of sealing section 112, with partition draining section 111 and anchoring
Hydraulic connection between section 113 plays the role of preventing cement mortar from flowing back.Water-stop body 2 in the present embodiment uses water-swellable
Sealing material, such as hydro-expansive rubber, dry kelp, drying regime lower volume reduce, and contact water water swelling.
Specifically, outer water-stop body 22 is fixed in advance on 112 outer tube wall of sealing section for convenience of the construction of anchor tube main body 1,
And before non-water swelling, the outer rim of outer water-stop body 22 is less than the outer rim of spiral cutting edge 12, after water swelling, outside outer water-stop body 22
Edge is not less than the outer rim of spiral cutting edge 12, goes on smoothly in order to creep into, and water swelling blocks outgoing gap.It meanwhile being anti-
Only outer water-stop body 22 is destroyed in drilling process or position is mobile, and limit measure can also be arranged outside the pipe of sealing section 112,
Such as steel loop of the welding two at the outer both ends of outer water-stop body 22, the expansion after not influencing its water suction, and it can be carried out effectively
Protection.Similarly, interior water-stop body 21 is fixed on the outer tube wall of Grouting Pipe 3, likewise, before non-water swelling, interior water-stop body
21 outer rim is less than the inner tubal wall of Grouting Pipe 3, so as in Grouting Pipe 3 smoothly insertion anchor tube main body 1；After water swelling, interior sealing
The outer rim of body 21 and the inner tubal wall of Grouting Pipe 3 are in close contact, and seal the pore of steel tube body 11.
Referring to Fig. 1 and Fig. 4, Grouting Pipe 3 is arranged in the lumen of steel tube body 11, and one end of Grouting Pipe 3 is located at anchoring section 113
Interior, the other end passes through interior water-stop body 21 and extends to except the end face of draining section 111, to infuse from outer end into anchoring section 113
Enter cement mortar, the lumen of full anchoring section 113 is filled, and enter in the outgoing hole of anchoring section 113 from slurry outlet 116, by anchor
Gu section 113, spiral cutting edge 12 are integrated with good ground solidification, guarantee the stability that anchor tube main body 1 anchors in stratum.
Referring to Fig. 1 and Fig. 2, after the casting for completing cement mortar, drainage body 4 is disposed in the lumen of draining section 111.Filter
Water body 4 makes using outside hole, and postposition mode is placed in the lumen of draining section 111, specifically can be used in the present embodiment detachable
Prefabricated water permeable member, alternatively, prefabricated components are fabricated to by the way of the seepy material of establishment bagged sand gravel etc, it can be convenient
It is placed into inside draining section 111, can prevent in the larger situation of hydraulic pressure, the too fast stream for leading to fine aggregate in the soil body of groundwater velocity
It loses, and can be replaced, be convenient to the later period maintenance and maintenance of side slope protection.
Finally, externally reinforced component 5, the externally reinforced structure can also be connected at the position on the exposing stratum of draining section 111
The structures such as common end frame, panel on existing friction pile can be used in part 5, realize the anchoring function of entire anchor tube main body 1.
Referring to Fig. 5, inclined discharge structure 100 is faced upward in above-mentioned having from anchoring function, and anchor tube main body 1 is used as simultaneously and is had
There are the drilling tool of drill bit and the drainpipe of drainage, the position being arranged using water-stop body 2 divides steel tube body 11 for draining as separation
Section 111, sealing section 112 and anchoring section 113, each section of specific length can be protected according to using the actual environment on stratum to be adjusted
Card draining section 111 is located within the scope of sliding surface, and anchoring section 113 is located at the good ground under sliding surface, adapts to different works
Condition, it is adaptable.The drill bit structure being made up of spiral cutting edge 12 and anchoring section 113, the drilling that anchor tube main body 1 faces upward inclined is set
Enter into formation at target locations, the anchoring section 113 in 112 inside stratum of sealing section, by the fixed line of cement mortar, by entire anchor tube master
Body 1 is stably fixed on good ground, plays the effect of anchoring；Draining section 111 in 112 outside stratum of sealing section, can lead to
The underground water that drainage hole 115 collects neighbouring stratum is crossed, is finally discharged from nozzle, anchoring and draining are realized in once-through operation.
It is above-mentioned have from anchoring function face upward inclined discharge structure 100, construction method the following steps are included:
The first step chooses anchor tube main body 1, the fixed outer water-stop body 22 on the outer tube wall of its 11 sealing section 112 of steel tube body；This
The selection of anchor tube main body 1 in step, should be according to draining section 111,112 and of sealing section for selecting steel tube body 11 the case where formation at target locations
The length of anchoring section 113, to guarantee that the anchoring section 113 after the completion of drilling is located at sliding surface good ground below, and sliding surface
Positioned at draining section 111 in the range of, guarantee anchoring stabilization and draining it is effective.
Second step is drilling tool with anchor tube main body 1 with drilling equipment, and the acclivitous drilling of anchor tube main body 1 is arrived stratum
It is interior；Final position should make anchoring section 113 be located at sliding surface good ground below, and sliding surface is located at the range of draining section 111
It is interior.
Third step, the fixed interior water-stop body 21 on the outer tube wall of Grouting Pipe 3, fixed specific location is because comparing steel tube body 11
Each section of specific length setting, when making the inner end of Grouting Pipe 3 close to pile top 14, interior water-stop body 21 is placed exactly in sealing section 112
It is interior.
Grouting Pipe 3 equipped with interior water-stop body 21 is inserted into the lumen of 1 steel tube body 11 of anchor tube main body by the 4th step, makes interior stop
Water body 21 is located in the sealing section 112 of steel tube body 11, and the inner end of Grouting Pipe 3 is located in the anchoring section 113 of steel tube body 11；
5th step after Grouting Pipe 3 is installed in place, expands water-stop body 2 sufficiently by water infiltration by the water filling of Grouting Pipe 3,
To close the lumen in sealing section 112 and the hole outside sealing section 112；Certainly, if constructing on the stratum of rich groundwater
When, then it does not need to fill the water by Grouting Pipe 3, needs to delay swollen measure in the outer peripheral surface setting of water-stop body 2 instead, alternatively, directly making
Water-stop body 2 is made with slow expansion type sealing material, avoids too fast water swelling in the environment of rich groundwater of water-stop body 2, it is ensured that
Anchor tube main body 1 and Grouting Pipe 3 just complete expansion and closing function after reaching scheduled position.
6th step injects mortar to anchoring section 113 by Grouting Pipe 3, makes mortar full of the lumen and anchor in anchoring section 113
Hole outside section.
7th step disposes drainage body 4 into the lumen of draining section 111；Drainage body 4 in the present embodiment specifically can be used can
Prefabricated water permeable member is dismantled, alternatively, the prefabricated components for loading the bag weaved support of gravel are selected, before carrying out above-mentioned construction procedure
Or in the process, the production of drainage body 4 is completed, directly loads later, saves the time.
Under the disturbance of work progress, the ground layer soil body around hole can collapse automatically, the hole in 111 outside of filling draining section
Gap stablizes entire anchor tube main body 1 in stratum.
Finally, connecting externally reinforced component 5 at the position on the exposing stratum of draining section 111, entire anchor tube main body 1 is realized
Anchor function；The structures such as common end frame, panel on existing friction pile can be used in the externally reinforced component 5.
Using above-mentioned structure and construction method, anchor tube main body 1 is used as drilling tool directly, passes through a drilling operation
Anchor tube main body 1 is placed to the target position on stratum, stratum is anchored with anchoring section 113, to drain 111 alternative drain of section
Drainage hole 115 in the prior art and anchor hole are combined as a whole by hole 115, and anchoring and draining, technique letter are realized in once-through operation
It is single, it is easy for construction, it effectively shortens the construction period, saves construction cost；It can be used for side slope, Landslide, draining administer with it is fast
Speed is reinforced, it can also be used to which tunnel and landform engineering, deep basal pit pore gas flow consolidation process and Dangerous Rock Body reinforce punishment etc., fit
With in extensive range.
It should be noted that preferred embodiment above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, those skilled in the art should understand that: it is still
Can modify to technical solution documented by previous embodiment, or some or all of the technical features are carried out etc.
With replacement；And these are modified or replaceed, technical solution of the embodiment of the present invention that it does not separate the essence of the corresponding technical solution
Range should all cover within the scope of the claims and the description of the invention.
Claims (10)
1. a kind of face upward inclined discharge structure with anchoring function certainly characterized by comprising
Anchor tube main body, comprising: steel tube body and spiral cutting edge, the steel tube body are divided into axial sequentially connected draining section, sealing
Section, anchoring section and pile top offer multiple drainage holes on the tube wall of the draining section, offer on the tube wall of the anchoring section more
A slurry outlet, the spiral cutting edge helically banding ring on the outer tube wall for being set to the anchoring section；
Water-stop body is water-swellable sealing material, and the water-stop body includes: interior water-stop body and outer water-stop body, the interior water-stop body
It is arranged in the lumen of the sealing section, the outer water-stop body is annularly arranged on the outer tube wall of sealing section；
Grouting Pipe is arranged in the lumen of the steel tube body, and one end of the Grouting Pipe is located in the anchoring section, and the other end is worn
It crosses the interior water-stop body and extends to except the end face of the draining section；And
Drainage body: it is filled in the lumen of the draining section.
2. according to claim 1 face upward inclined discharge structure with anchoring function certainly, which is characterized in that
The outer water-stop body is fixed on the sealing section outer tube wall, and before non-water swelling, and the outer rim of the outer water-stop body is small
In the outer rim of the spiral cutting edge, after water swelling, the outer rim of the outer water-stop body is not less than the outer rim of the spiral cutting edge.
3. according to claim 1 face upward inclined discharge structure with anchoring function certainly, which is characterized in that
The interior water-stop body is fixed on the outer tube wall of the Grouting Pipe, and before non-water swelling, the outer rim of the interior water-stop body
Less than the inner tubal wall of the Grouting Pipe, after water swelling, the inner tubal wall of the outer rim and the Grouting Pipe of the interior water-stop body is close
Contact.
4. according to claim 1 face upward inclined discharge structure with anchoring function certainly, which is characterized in that the drainage body
For detachable prefabricated water permeable member, alternatively, to load the bag weaved of gravel.
5. according to claim 1 face upward inclined discharge structure with anchoring function certainly, which is characterized in that
The position by close end of the draining section is provided with externally reinforced component.
6. a kind of construction method for facing upward inclined discharge structure with from anchoring function, which is characterized in that use claim 1-5
It is described in any item to face upward inclined discharge structure with anchoring function certainly, comprising the following steps:
S1, the fixed outer water-stop body on the outer tube wall of sealing section；
S2, will the acclivitous drilling of anchor tube main body in stratum；
S3, the fixed interior water-stop body on the outer tube wall of Grouting Pipe；
S4, Grouting Pipe is inserted into the lumen of anchor tube main body steel tube body, is located at interior water-stop body in the sealing section of steel tube body, and infused
The inner end of slurry pipe is located in the anchoring section of steel tube body；
S5, the infiltration expansion of water-stop body water-filling, close the lumen in sealing section and the hole outside sealing section；
S6, mortar is injected to anchoring section by Grouting Pipe, makes mortar full of the lumen in anchoring section and the hole outside anchor section；
S7, drainage body is filled into the lumen of draining section.
7. according to claim 6 have from the construction method for facing upward inclined discharge structure for anchoring function, which is characterized in that
The draining section of the steel tube body, the length of sealing section and anchoring section are selected according to the case where formation at target locations.
8. according to claim 6 have from the construction method for facing upward inclined discharge structure for anchoring function, which is characterized in that
When the stratum of rich groundwater is constructed, swollen measure is delayed in the outer peripheral surface setting of the water-stop body, alternatively, water-stop body uses slow expansion type
Sealing material.
9. according to claim 6 have from the construction method for facing upward inclined discharge structure for anchoring function, which is characterized in that
Hole on the outside of the draining section is collapsed filling automatically by the ground layer soil body around hole.
10. according to claim 6 have from the construction method for facing upward inclined discharge structure for anchoring function, feature exists
In after completing step S7, in the externally reinforced component of position connection for exposing stratum of draining section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910490634.2A CN110144904A (en) | 2019-06-06 | 2019-06-06 | It is a kind of to face upward inclined discharge structure and its construction method with anchoring function certainly |
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| CN201910490634.2A CN110144904A (en) | 2019-06-06 | 2019-06-06 | It is a kind of to face upward inclined discharge structure and its construction method with anchoring function certainly |
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| CN201910490634.2A Pending CN110144904A (en) | 2019-06-06 | 2019-06-06 | It is a kind of to face upward inclined discharge structure and its construction method with anchoring function certainly |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111945757A (en) * | 2020-08-14 | 2020-11-17 | 中国电建集团贵阳勘测设计研究院有限公司 | Upward-inclined self-advancing type slope drainage steel pipe structure and construction method |
| CN115217124A (en) * | 2021-04-16 | 2022-10-21 | 河北省交通规划设计研究院有限公司 | In-situ retaining structure for slope expanding excavation and construction method |
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| CN111945757A (en) * | 2020-08-14 | 2020-11-17 | 中国电建集团贵阳勘测设计研究院有限公司 | Upward-inclined self-advancing type slope drainage steel pipe structure and construction method |
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| CN115217124A (en) * | 2021-04-16 | 2022-10-21 | 河北省交通规划设计研究院有限公司 | In-situ retaining structure for slope expanding excavation and construction method |
| CN115217124B (en) * | 2021-04-16 | 2024-02-13 | 河北省交通规划设计研究院有限公司 | In-situ retaining structure for slope expansion and excavation and construction method |
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