CN205742223U - Deep foundation pit supporting construction prestress anchorage cable - Google Patents
Deep foundation pit supporting construction prestress anchorage cable Download PDFInfo
- Publication number
- CN205742223U CN205742223U CN201620932879.8U CN201620932879U CN205742223U CN 205742223 U CN205742223 U CN 205742223U CN 201620932879 U CN201620932879 U CN 201620932879U CN 205742223 U CN205742223 U CN 205742223U
- Authority
- CN
- China
- Prior art keywords
- anchor cable
- grouting pipe
- strand wires
- steel strand
- foundation pit
- 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.)
- Expired - Fee Related
Links
- 238000010276 construction Methods 0.000 title claims abstract description 36
- 230000008093 supporting effect Effects 0.000 title claims abstract description 30
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 64
- 239000010959 steel Substances 0.000 claims abstract description 64
- 238000004873 anchoring Methods 0.000 claims abstract description 15
- 238000007569 slipcasting Methods 0.000 claims abstract description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 235000014121 butter Nutrition 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 239000011083 cement mortar Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses a kind of deep foundation pit supporting construction prestress anchorage cable, including anchor cable body, once grouting pipe and secondary grouting pipe, anchor cable body includes multiple tracks steel strand wires, described once grouting pipe, secondary grouting pipe and multiple tracks steel strand wires are all laid along the length direction of described anchor cable body, and once grouting pipe and the equal colligation of secondary grouting pipe are fixed on described anchor cable body；Be connected to one by multiple stringing rings between steel strand wires described in multiple tracks, multiple described stringing rings along described anchor cable body length direction by after be carried forward laying；Described anchor cable body is divided into free segment anchor cable and be positioned at the anchoring section anchor cable on front side of described free segment anchor cable, and multiple to medium-height trestle by being provided with before backward in described anchoring section anchor cable, steel strand wires described in multiple tracks are both supported upon described on medium-height trestle.This utility model simple in construction, reasonable in design and processing and fabricating is easy, using effect is good, uses multiple tracks steel strand wires and passes through twice slip casting, can be effectively improved anchor force.
Description
Technical field
This utility model relates to a kind of anchor cable, especially relates to a kind of deep foundation pit supporting construction prestress anchorage cable.
Background technology
When the cutting depth deep basal pit more than 10m is excavated, for preventing excavation from causing surface displacement, anti-
Only foundation ditch periphery existing building generation excessive deformation and destruction, to ensure safe construction under deep basal pit, and reduce deep basal pit pair
Neighbouring existed building, the impact of road, need to carry out supporting timely, firm to foundation ditch.Nowadays, when foundation ditch is carried out supporting, logical
Frequently be that campshed adds suspension roof support scheme, specifically use single cast-in-situ bored pile to add the piled anchor that single-layer soil anchor pole combines
Formula supporting scheme.But above-mentioned campshed adds, and there is work progress complexity in suspension roof support scheme, efficiency of construction is relatively low, input cost is higher
Etc. problem, and the campshed of construction molding to add the supporting effect of suspension roof support structure poor, it is impossible to easy, quickly and in time to deeply
Foundation ditch carries out effective support, and for deep basal pit, the anchor force of used anchor pole is not enough.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, it is provided that a kind of deep base
Hole supporting construction prestress anchorage cable, its simple in construction, reasonable in design and processing and fabricating is easy, using effect is good, uses multiple tracks
Steel strand wires also pass through twice slip casting, can be effectively improved anchor force.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is: a kind of deep foundation pit supporting construction is with pre-
Stress anchor cable, it is characterised in that: include that anchor cable body, once grouting pipe and secondary grouting pipe, described anchor cable body include multiple tracks
Steel strand wires, steel strand wires described in described once grouting pipe, secondary grouting pipe and multiple tracks all enter along the length direction of described anchor cable body
Row is laid, and described once grouting pipe and the equal colligation of secondary grouting pipe are fixed on described anchor cable body；Steel strand wires described in multiple tracks it
Between be connected to one by multiple stringing rings, multiple described stringing rings along the length direction of described anchor cable body by before backward
Lay；Described anchor cable body is divided into free segment anchor cable and is positioned at the anchoring section anchor cable on front side of described free segment anchor cable, described
In anchoring section anchor cable multiple to medium-height trestle by being provided with before backward, steel strand wires described in multiple tracks are both supported upon described on medium-height trestle.
Above-mentioned deep foundation pit supporting construction prestress anchorage cable, is characterized in that: multiple described stringing rings are in uniformly laying, adjacent
Spacing between two described stringing rings is 1.5m～2.5m；Multiple described to medium-height trestle in uniformly laying, described anchoring section anchor
On rope to medium-height trestle with stringing ring in being laid staggeredly.
Above-mentioned deep foundation pit supporting construction prestress anchorage cable, is characterized in that: described is star-shaped support to medium-height trestle, multiple tracks institute
State steel strand wires and be supported in centering stent outer the most from front to back.
Above-mentioned deep foundation pit supporting construction prestress anchorage cable, is characterized in that: in described anchor cable body, the quantity of steel strand wires is
Three roads, described stringing ring is the triangular loop bent by iron wire, and steel strand wires described in three roads are respectively positioned in described triangular loop,
And three steel strand wires described in road be laid in respectively on three drift angles of described triangular loop.
Above-mentioned deep foundation pit supporting construction prestress anchorage cable, is characterized in that: steel strand wires described in multiple tracks in described anchor cable body
The most uniformly lay.
Above-mentioned deep foundation pit supporting construction prestress anchorage cable, is characterized in that: described secondary grouting pipe is positioned at steel described in multiple tracks
Middle part between twisted wire, described once grouting pipe is positioned at outside steel strand wires described in multiple tracks.
Above-mentioned deep foundation pit supporting construction prestress anchorage cable, is characterized in that: described once grouting pipe and secondary grouting Guan Jun
The slip casting steel pipe of multiple injected hole is had on tube wall.
Above-mentioned deep foundation pit supporting construction prestress anchorage cable, is characterized in that: steel strand described in per pass in described free segment anchor cable
All it is set with outer pillar on line, is sealed by butter plugged zone between front end and the steel strand wires inside it of described outer pillar
Stifled.
Above-mentioned deep foundation pit supporting construction prestress anchorage cable, is characterized in that: the front end coaxial sleeve of described anchor cable body equipped with
Guiding cap, the length of described once grouting pipe and secondary grouting pipe is respectively less than the length of described anchor cable body.
Above-mentioned deep foundation pit supporting construction prestress anchorage cable, is characterized in that: described stringing ring be parallel cloth to medium-height trestle
And if both and the described perpendicular laying of anchor cable body.
This utility model compared with prior art has the advantage that
1, simple in construction, processing and fabricating simplicity and input cost are relatively low.
2, reasonable in design, including anchor cable body, once grouting pipe and secondary grouting pipe, anchor cable body includes multiple tracks steel
Twisted wire, once grouting pipe, secondary grouting pipe and multiple tracks steel strand wires all lay along the length direction of anchor cable body, once grouting
Pipe and the equal colligation of secondary grouting pipe are fixed on anchor cable body；It is fixedly connected as one by multiple stringing rings between multiple tracks steel strand wires
Body, anchor cable body is divided into free segment anchor cable and is positioned at the anchoring section anchor cable on front side of free segment anchor cable, by backward in anchoring section anchor cable
Before be provided with multiple to medium-height trestle, multiple tracks steel strand wires are both supported upon on medium-height trestle；So, by multiple stringing rings by multiple tracks steel
Twisted wire is assembled into one, and by multiple, medium-height trestle is carried out centering control, and energy is easy, quickly this utility model is put into anchor cable
In hole.
3, easy construction and using effect are good, routine anchor cable change steel strand wires and by successively twice slip casting into, can be effective
Improve the anchor force of anchor cable, first anchor cable is put into anchor cable hole, more successively carries out twice slip casting, then anchorage cable stretching in advance should
Power, makes to produce between anchor cable and surrounding soil Light deformation and frictional resistance, it is thus possible to effectively strengthen pattern foundation pit supporting structure effect.
In sum, this utility model simple in construction, reasonable in design and processing and fabricating is easy, using effect is good, and employing is many
Road steel strand wires also pass through twice slip casting, can be effectively improved anchor force.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of this utility model guiding cap.
Fig. 3 is this utility model free segment anchor cable stream line body, once grouting pipe and the installation position of secondary grouting pipe
Schematic diagram.
Fig. 4 is to anchor cable body, once grouting pipe and two at medium-height trestle present position in this utility model anchoring section anchor cable
The installation position schematic diagram of secondary Grouting Pipe.
Fig. 5 is anchor cable body, once grouting pipe and secondary at stringing ring present position in this utility model anchoring section anchor cable
The installation position schematic diagram of Grouting Pipe.
Description of reference numerals:
1 pair of medium-height trestle；2 steel strand wires；3 guiding caps；
4 stringing rings；5 outer pillars；6 butter plugged zones；
7 secondary grouting pipes；8 once grouting pipes.
Detailed description of the invention
As shown in Fig. 1, Fig. 3, Fig. 4 and Fig. 5, this utility model includes anchor cable body, once grouting pipe 8 and secondary grouting pipe
7, described anchor cable body includes multiple tracks steel strand wires 2, and steel strand wires 2 described in described once grouting pipe 8, secondary grouting pipe 7 and multiple tracks are equal
Length direction along described anchor cable body is laid, and described once grouting pipe 8 and the equal colligation of secondary grouting pipe 7 are fixed on described
On anchor cable body；It is connected to one by multiple stringing rings 4 between steel strand wires 2 described in multiple tracks, multiple described stringing ring 4 edges
The length direction of described anchor cable body by after be carried forward laying；Described anchor cable body be divided into free segment anchor cable and be positioned at described from
By the anchoring section anchor cable on front side of section anchor cable, multiple to medium-height trestle 1 by being provided with before backward, described in multiple tracks in described anchoring section anchor cable
Steel strand wires 2 are both supported upon described on medium-height trestle 1.
In the present embodiment, multiple described stringing rings 4 are in uniformly laying.
Actual adding man-hour, the spacing between adjacent two described stringing rings 4 is 1.5m～2.5m.
In the present embodiment, the spacing between adjacent two described stringing rings 4 is 2m.Time actually used, can be according to concrete need
Want, the spacing between adjacent two described stringing rings 4 is adjusted accordingly.
In the present embodiment, multiple described to medium-height trestle 1 in uniformly laying, to medium-height trestle 1 and frame on described anchoring section anchor cable
Wire loop 4 is in being laid staggeredly.
In the present embodiment, described is star-shaped support to medium-height trestle 1, and described in multiple tracks, steel strand wires 2 are the most from front to back
It is supported in outside to medium-height trestle 1.
Multiple card holding trough for steel strand wires 2 card dress it is provided with on described star-shaped support.
In the present embodiment, in described anchor cable body, the quantity of steel strand wires 2 is three roads, and described stringing ring 4 is for be bent by iron wire
Triangular loop, steel strand wires 2 described in three roads are respectively positioned in described triangular loop, and described in three roads, steel strand wires 2 are laid respectively
On three drift angles of described triangular loop.
Time actually used, can according to specific needs, to the quantity of steel strand wires 2 in described anchor cable body and each steel strand wires 2
Installation position adjust accordingly respectively.
In the present embodiment, in described anchor cable body, steel strand wires 2 described in multiple tracks are the most uniformly laid.
Further, described once grouting pipe 8 is middle part between steel strand wires described in multiple tracks 2, and described secondary grouting pipe 7 is positioned at many
Outside steel strand wires 2 described in road.
In the present embodiment, described once grouting pipe 8 and the equal tube wall of secondary grouting pipe 7 have the slip casting steel of multiple injected hole
Pipe.
In the present embodiment, the multiple described injected hole that described once grouting pipe 8 and secondary grouting pipe 7 are opened is all in uniformly
Lay, and multiple described injected hole is quincunx laying.The aperture of described injected hole is Φ 5mm, adjacent two described injected holes
Between spacing be 250mm.
After described once grouting pipe 8 and secondary grouting pipe 7 machine, use adhesive tape that described injected hole is sealed temporarily
Hole.
Actual add man-hour, can according to specific needs, to the hole of opened injected hole on once grouting pipe 8 and secondary grouting pipe 7
Footpath and spacing adjust accordingly respectively.
In the present embodiment, described free segment anchor cable is all set with on steel strand wires 2 described in per pass outer pillar 5, described outer protects
Blocked by butter plugged zone 6 between front end and the steel strand wires 2 inside it of pipe 5.Further, described outer pillar 5 is PVC plastic
Material pipe.
Actual adding man-hour, the diameter of described once grouting pipe 8 and secondary grouting pipe 7 is Φ 20mm～Φ 30mm.This reality
Executing in example, described once grouting pipe 8 and secondary grouting pipe 7 are DN20 steel pipe, and the nominal diameter of DN20 steel pipe is 20mm.
Time actually used, can according to specific needs the diameter of once grouting pipe 8 and secondary grouting pipe 7 be adjusted accordingly
Whole.
In the present embodiment, the front end coaxial sleeve of described anchor cable body is equipped with guiding cap 3, described once grouting pipe 8 and secondary
The length of Grouting Pipe 7 is respectively less than the length of described anchor cable body.
Actual adding man-hour, described once grouting pipe 8 and secondary grouting pipe 7 are all fixed on described anchor by multiple tracks iron wire colligation
On Suo Benti.
As in figure 2 it is shown, described guiding cap 3 is steel cap.Described steel cap includes that coaxial package is in described anchor cable body front end
Cylindrical pipeline section and be coaxially laid in the conical sections of described cylinder pipeline section front end.Described cylindrical pipeline section a length of
150mm, the cross section of described cone sections is equilateral triangle.Time actually used, can according to specific needs, to described cylinder
The length of shape pipeline section adjusts accordingly.
In the present embodiment, described stringing ring 4 is with to medium-height trestle 1, in parallel laying and both and described anchor cable body are in hanging down
Straight laying.
Further, all carry out colligation by iron wire between steel strand wires 2 and stringing ring 4 described in per pass to fix.
During practice of construction, rig is first used to drill through, before backward, the anchor cable installed for this utility model in described side slope
Hole, then this utility model is put into described anchor cable hole；Afterwards, in described anchor cable hole, cement is injected by once grouting pipe 8
Mortar, then in described anchor cable hole, inject cement mortar by secondary grouting pipe 7；Treat the cement bonded sand injected by once grouting pipe 8
After slurry and the cement mortar injected by secondary grouting pipe 7 all reach design strength, according to stretch-draw and the sealing off and covering anchorage method of conventional anchor cable,
This utility model is carried out prestressed stretch-draw and sealing off and covering anchorage construction, easy construction.
The above, be only preferred embodiment of the present utility model, not impose any restrictions this utility model, every
Any simple modification, change and equivalent structure change above example made according to this utility model technical spirit, the most still
Belong in the protection domain of technical solutions of the utility model.
Claims (10)
1. a deep foundation pit supporting construction prestress anchorage cable, it is characterised in that: include anchor cable body, once grouting pipe (8) and
Secondary grouting pipe (7), described anchor cable body includes multiple tracks steel strand wires (2), described once grouting pipe (8), secondary grouting pipe (7) and
Steel strand wires described in multiple tracks (2) are all laid along the length direction of described anchor cable body, described once grouting pipe (8) and secondary injection
Slurry pipe (7) all colligations are fixed on described anchor cable body；Fixed by multiple stringing rings (4) between steel strand wires described in multiple tracks (2)
Connect as one, multiple described stringing rings (4) along described anchor cable body length direction by after be carried forward laying；Described anchor cable
Body is divided into free segment anchor cable and is positioned at the anchoring section anchor cable on front side of described free segment anchor cable, by backward in described anchoring section anchor cable
Before be provided with multiple to medium-height trestle (1), steel strand wires (2) described in multiple tracks are both supported upon described on medium-height trestle (1).
2. according to the deep foundation pit supporting construction prestress anchorage cable described in claim 1, it is characterised in that: multiple described stringing rings
(4) in uniformly laying, the spacing between adjacent two described stringing rings (4) is 1.5m～2.5m；Multiple described to medium-height trestle (1)
In uniformly laying, on described anchoring section anchor cable to medium-height trestle (1) with stringing ring (4) in being laid staggeredly.
3. according to the deep foundation pit supporting construction prestress anchorage cable described in claim 1 or 2, it is characterised in that: described centering is propped up
Frame (1) is star-shaped support, and steel strand wires (2) described in multiple tracks are supported in the most from front to back to medium-height trestle (1) outside.
4. according to the deep foundation pit supporting construction prestress anchorage cable described in claim 1 or 2, it is characterised in that: described anchor cable is originally
In body, the quantity of steel strand wires (2) is three roads, and described stringing ring (4) is the triangular loop bent by iron wire, steel described in three roads
Twisted wire (2) is respectively positioned in described triangular loop, and steel strand wires (2) described in three roads are laid in three tops of described triangular loop respectively
On angle.
5. according to the deep foundation pit supporting construction prestress anchorage cable described in claim 1 or 2, it is characterised in that: described anchor cable is originally
In body, steel strand wires described in multiple tracks (2) are the most uniformly laid.
6. according to the deep foundation pit supporting construction prestress anchorage cable described in claim 5, it is characterised in that: described secondary grouting pipe
(7) being positioned between steel strand wires described in multiple tracks (2) middle part, described once grouting pipe (8) is positioned at steel strand wires described in multiple tracks (2) outside.
7. according to the deep foundation pit supporting construction prestress anchorage cable described in claim 1 or 2, it is characterised in that: described once note
The slip casting steel pipe of multiple injected hole is had on slurry pipe (8) and secondary grouting pipe (7) all tube walls.
8. according to the deep foundation pit supporting construction prestress anchorage cable described in claim 1 or 2, it is characterised in that: described free segment
Anchor cable is all set with on steel strand wires described in per pass (2) outer pillar (5), the front end of described outer pillar (5) and the strand of the steel inside it
Blocked by butter plugged zone (6) between line (2).
9. according to the deep foundation pit supporting construction prestress anchorage cable described in claim 1 or 2, it is characterised in that: described anchor cable is originally
The front end coaxial sleeve of body is respectively less than described equipped with guiding cap (3), the length of described once grouting pipe (8) and secondary grouting pipe (7)
The length of anchor cable body.
10. according to the deep foundation pit supporting construction prestress anchorage cable described in claim 1, it is characterised in that: described stringing ring (4)
With to medium-height trestle (1) in parallel laying and both and the described perpendicular laying of anchor cable body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620932879.8U CN205742223U (en) | 2016-08-24 | 2016-08-24 | Deep foundation pit supporting construction prestress anchorage cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620932879.8U CN205742223U (en) | 2016-08-24 | 2016-08-24 | Deep foundation pit supporting construction prestress anchorage cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205742223U true CN205742223U (en) | 2016-11-30 |
Family
ID=57375756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620932879.8U Expired - Fee Related CN205742223U (en) | 2016-08-24 | 2016-08-24 | Deep foundation pit supporting construction prestress anchorage cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205742223U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108952785A (en) * | 2018-08-21 | 2018-12-07 | 中铁工程设计咨询集团有限公司 | A kind of high bond stress anchor cable structure |
| CN111119174A (en) * | 2019-12-31 | 2020-05-08 | 中交路桥建设有限公司 | Prestressed anchor cable structure for repeated splitting grouting and construction method thereof |
| CN113699986A (en) * | 2021-09-03 | 2021-11-26 | 山西云泉岩土工程科技股份有限公司 | Novel anchor cable for filling side slope and construction method thereof |
-
2016
- 2016-08-24 CN CN201620932879.8U patent/CN205742223U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108952785A (en) * | 2018-08-21 | 2018-12-07 | 中铁工程设计咨询集团有限公司 | A kind of high bond stress anchor cable structure |
| CN111119174A (en) * | 2019-12-31 | 2020-05-08 | 中交路桥建设有限公司 | Prestressed anchor cable structure for repeated splitting grouting and construction method thereof |
| CN113699986A (en) * | 2021-09-03 | 2021-11-26 | 山西云泉岩土工程科技股份有限公司 | Novel anchor cable for filling side slope and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 |