CN109811719A - A grouting bolt suitable for soft soil dams and an anchoring construction method for soft soil dams - Google Patents
A grouting bolt suitable for soft soil dams and an anchoring construction method for soft soil dams Download PDFInfo
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- CN109811719A CN109811719A CN201910119098.5A CN201910119098A CN109811719A CN 109811719 A CN109811719 A CN 109811719A CN 201910119098 A CN201910119098 A CN 201910119098A CN 109811719 A CN109811719 A CN 109811719A
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Abstract
一种适用软土堤坝的注浆式锚杆及软土堤坝锚固施工方法，杆体内穿装有注浆管，管外设有钢绞线，钢绞线一端与锚头固连，另一端通过锚具固定在杆体后端；杆体前端采用膨胀片结构，锚头与膨胀片结构之间通过导向限位插槽及筋板配合传递扭矩；杆体上还设有锚固孔扩径机构和杆体自动定心机构。方法为：铺设钢塑格栅，架设钻机并安装锚杆，顺时针启动钻机，锚头先行钻入堤坝，锚固孔扩径机构接续钻入并进行第一级扩孔，当钻孔深度与锚杆长度达到设定比例时，调整钻机为逆时针转动，通过锚固孔扩径机构进行第二级扩孔，直到锚杆达到设定钻孔深度后关停钻机，锚固孔呈现变径阶梯孔形态，牵拉钢绞线使膨胀片张开，实施注浆作业，直至浆料达到设计强度。
A grouting anchor rod suitable for soft soil dams and an anchoring construction method for soft soil dams. The anchor is fixed at the rear end of the rod body; the front end of the rod body adopts an expansion sheet structure, and the anchor head and the expansion sheet structure transmit torque through the guide limit slot and the rib plate; heart agency. The method is: laying the steel-plastic grille, erecting the drilling rig and installing the anchor rod, starting the drilling rig clockwise, the anchor head is drilled into the dam first, the anchoring hole expanding mechanism is continuously drilled and the first-stage expansion is carried out. When the length of the rod reaches the set ratio, adjust the drilling rig to rotate counterclockwise, and perform the second-stage reaming through the anchoring hole expansion mechanism. When the anchor rod reaches the set drilling depth, the drilling rig is shut down, and the anchoring hole is in the form of a variable diameter stepped hole. , Pull the steel strand to open the expansion sheet, and carry out the grouting operation until the slurry reaches the design strength.
Description
Technical field
The invention belongs to safety support technical field, more particularly to a kind of slip casting anchor stock for being applicable in weak soil dykes and dams and soft
Earth embankment dam anchoring construction method.
Background technique
Currently, compacting mode is generallyd use to guarantee the stability of weak soil dykes and dams, and in order to further increase weak soil dykes and dams
Stability, anchor pole or anchor cable can be also installed in weak soil dykes and dams.But traditional anchor pole or anchor cable is being applied to weak soil dykes and dams
Afterwards, anchoring effect is unsatisfactory, and since the dam body of weak soil dykes and dams is mainly based on weak soil, and anchor hole is all isometrical cylinder
Shape hole, the binding force between Anchor Agent and anchor hole are easy to weaken because of external disturbance, so as to cause conventional anchor or anchor cable
Anchoring strength sharp fall, also can not just further increase the stability of weak soil dykes and dams.
Summary of the invention
In view of the problems of the existing technology, the present invention provides a kind of slip casting anchor stock for being applicable in weak soil dykes and dams and weak soil dike
Dam anchoring construction method can effectively improve anchoring strength of the anchor pole in weak soil dykes and dams, can further increase weak soil dykes and dams
Safety and stability.
To achieve the goals above, the present invention adopts the following technical scheme: a kind of slip casting anchor stock for being applicable in weak soil dykes and dams,
Including the body of rod, anchor head, bearing plate, nut, Grouting Pipe, steel strand wires and anchorage；The anchor head is located at lever front end, the bearing plate
And nut is successively sleeved on body of rod rear end；The body of rod is hollow structure, and the Grouting Pipe is installed on inside the body of rod, Grouting Pipe one
End is connected with the slurry outlet of anchor head, and the Grouting Pipe other end extends body of rod rear end nozzle；The steel strand wires quantity is several, several
Along Grouting Pipe circumference to being uniformly distributed, several steel strand wires are positioned by steel strand wires bracket for steel strand wires；The steel twists
Line one end is connected on anchor head, and the steel strand wires other end is fixed at the nozzle of body of rod rear end by anchorage.
The front end of the body of rod offers several notch, and cut-out direction is parallel with the central axes of the body of rod, is cut by several
Lever front end is separated out several expansion pieces by mouth；The end of the expansion piece is bent towards body of rod center in 90 °, by several expansions
The bending segment of piece constitutes the nozzle barrier structure of the body of rod, is installed with Grouting Pipe at the center of the nozzle barrier structure of the body of rod and passes through
Hole；Guide and limit gusset is fixedly installed on the bending segment of each expansion piece, towards the body of rod on guide and limit gusset
The side elevation at center is set as inclined-plane；The root of the anchor head uses taper type structure, and the taper type structure in anchor head root is circumferential
Several guide and limit slots are offered, guide and limit slot is equal with the quantity of guide and limit gusset and position corresponds；When
When the guide and limit slot and guide and limit gusset are mating, for transmitting torque from the body of rod to anchor head；In the expansion
The root of piece is equipped with expansion piece subtended angle limiting component.
It is provided with the expanding mechanism of anchor hole on the body of rod, the expanding mechanism of anchor hole includes first cutting native knife, the
One cuts native knife mounting base, second cuts native knife and second cut native knife mounting base；Described first, which cuts native knife mounting base and second, cuts native knife
Mounting base is packed in the outer surface of the body of rod with circumferential symmetric mode；Described first, which cuts native knife, is hinged on first and cuts native knife mounting base
On, first, which cuts native knife, cuts the rotation freedom degree in native knife mounting base with 90 ° first；Described second, which cuts native knife, is hinged on second
It cuts in native knife mounting base, second, which cuts native knife, cuts the rotation freedom degree in native knife mounting base with 90 ° second；When the body of rod into
When row rotates clockwise, first, which cuts native knife and second, cuts native knife synchronous deflection to first order restraining position, limits position in the first order
It sets down, first, which cuts native knife and second, cuts native cutter and have the first order to cut native radius；When the body of rod is rotated counterclockwise, first
It cuts native knife and second and cuts native knife synchronous deflection to second level restraining position, under the restraining position of the second level, first cuts native knife and
Two, which cut native cutter, has the second level to cut native radius；The first order cuts native radius and cuts native radius less than the second level.
Body of rod self-centering unit is provided on the body of rod, body of rod self-centering unit quantity is several and along body of rod axis
To being uniformly arranged；The body of rod self-centering unit includes supporting rod, thrust spring and supporting rod mounting base；The support
Rod piece mounting base quantity is several, and several supporting rod mounting bases are packed in the outer surface of the body of rod in a manner of being circumferentially uniformly arranged, often
A supporting rod mounting base is hinged with a supporting rod, the thrust spring be connected to supporting rod and body of rod outer surface it
Between.
A kind of weak soil dykes and dams anchoring construction method, using the slip casting anchor stock for being applicable in weak soil dykes and dams, including such as
Lower step:
Step 1: being first laid with steel in the slope surface of weak soil dykes and dams and mould grid, and U-shaped pricker nail is recycled to consolidate steel modeling grid
It is fixed；
Step 2: determining the position of drilling of anchor hole in the slope surface of weak soil dykes and dams, then in the position of drilling determined
Erection drilling machine is set, then will be on rockbolt installation to drilling machine by the body of rod；
Step 3: starting drilling machine first controls drilling machine and rotates clockwise, pierces the anchor head of anchor pole in advance in weak soil dykes and dams,
With constantly piercing for anchor pole, when the expanding mechanism of anchor hole starts to pierce weak soil dykes and dams, first, which cuts native knife and second, cuts native knife
First order restraining position can be deflected under the drag effect of the soil body, and anchor hole is expanded in the case where the first order cuts native radius
Hole；
Step 4: with constantly piercing for anchor pole, when the drilling depth of anchor hole reaches setting ratio with rock-bolt length,
The rotation direction of drilling machine is adjusted to counterclockwise, at this time first cut native knife and second cut native knife can under the drag effect of the soil body partially
The second restraining position is gone to, and reaming is carried out to anchor hole in the case where native radius is cut in the second level；
Step 5: after anchor pole reaches the drilling depth of setting, drilling machine is shut down, anchor hole at this time is rendered as variable diameter ladder
Pore morphology guarantees the concentricity of anchor pole and anchor hole by body of rod self-centering unit in entire boring procedure；
Step 6: drilling machine is removed, and steel strand wires tractor in erection leads steel strand wires by steel strand wires tractor
It draws, traction force is directly delivered to anchor head by steel strand wires, and anchor head can back away under traction force effect, and anchor head is in fallback procedures
Gradually expansion piece will be strutted, be shed after the restriction angle that the opening angle of expansion piece reaches expansion piece subtended angle limiting component
Traction force, the expansion piece opened at this time will be cut in the soil body；
Step 7: removing steel strand wires tractor, then implements slip casting operation into anchor hole by Grouting Pipe, slurry is successively
Entered in anchor hole by the slurry outlet of Grouting Pipe and anchor head, until slurry is full of entire anchor hole；
Step 8: successively installing bearing plate and nut in the body of rod exposed junction of anchor pole, then by steel strand wires by anchorage into
Row is fixed, and after slurry solidification reaches design strength, construction terminates.
Beneficial effects of the present invention:
The slip casting anchor stock for being applicable in weak soil dykes and dams and weak soil dykes and dams anchoring construction method of the invention, can make the anchor hole be in
It is now variable diameter ladder pore morphology, after slip casting, variable diameter ladder circle column construction can be formed after slurry solidification, it can be substantially
Degree improves the binding force of solidification slurry and anchor hole, at the same the expansion piece by opening can further increase the body of rod and the soil body it
Between binding force, and then effectively increase anchoring strength of the anchor pole in weak soil dykes and dams, also further improve weak soil dykes and dams
Safety and stability.
Detailed description of the invention
Fig. 1 is a kind of slip casting anchor stock structural schematic diagram for being applicable in weak soil dykes and dams of the invention；
Fig. 2 is the portion I enlarged drawing in Fig. 1；
Fig. 3 is anchor head structural schematic diagram of the invention；
Fig. 4 is lever front end structural schematic diagram of the invention；
Fig. 5 is the portion II enlarged drawing in Fig. 1；
Fig. 6 is A-A cross-sectional view in Fig. 5；
Fig. 7 is the expanding mechanism of anchor hole (when rotating clockwise) structural schematic diagram of the invention；
Fig. 8 is the expanding mechanism of anchor hole of the invention (counterclockwise when rotation) structural schematic diagram；
Fig. 9 is the state diagram after weak soil dykes and dams anchoring construction；
In figure, the 1-body of rod, 2-anchor heads, 3-bearing plates, 4-nuts, 5-Grouting Pipes, 6-steel strand wires, 7-anchorages,
8-slurry outlets, 9-steel strand wires brackets, 10-expansion pieces, 11-Grouting Pipes pass through hole, 12-guide and limit gussets, 13-guiding
Slot is limited, 14-expansion piece subtended angle limiting components, 15-the first cuts native knife, and 16-the first cuts native knife mounting base, and 17-the second
Cut native knife, 18-the second cuts native knife mounting base, 19-supporting rods, 20-thrust springs, 21-supporting rod mounting bases, and 22-
Weak soil dykes and dams, 23-steel mould grid, 24-U-shaped pricker nails.
Specific embodiment
The present invention is described in further detail in the following with reference to the drawings and specific embodiments.
As shown in Fig. 1~8, a kind of slip casting anchor stock being applicable in weak soil dykes and dams, including the body of rod 1, anchor head 2, bearing plate 3, spiral shell
Mother 4, Grouting Pipe 5, steel strand wires 6 and anchorage 7；The anchor head 2 is located at 1 front end of the body of rod, and the bearing plate 3 and nut 4 are successively set with
In 1 rear end of the body of rod；The body of rod 1 is hollow structure, and the Grouting Pipe 5 is installed on inside the body of rod 1,5 one end of Grouting Pipe and anchor head 2
Slurry outlet 8 be connected, 5 other end of Grouting Pipe extends 1 rear end nozzle of the body of rod；6 quantity of steel strand wires is four, four bar steels
Along 5 circumference of Grouting Pipe to being uniformly distributed, four steel strand wires 6 are positioned twisted wire 6 by steel strand wires bracket 9；The steel strand wires 6
One end is connected on anchor head 2, and 6 other end of steel strand wires is fixed at 1 rear end nozzle of the body of rod by anchorage 7.
The front end of the body of rod 1 offers notch everywhere, and cut-out direction is parallel with the central axes of the body of rod 1, by everywhere
1 front end of the body of rod is separated out four expansion pieces 10 by notch；The end of the expansion piece 10 is bent towards 1 center of the body of rod in 90 °, by
The bending segment of several expansion pieces 10 constitutes the nozzle barrier structure of the body of rod 1, is installed at the center of the nozzle barrier structure of the body of rod 1
Grouting Pipe passes through hole 11；Guide and limit gusset 12, guiding limit are fixedly installed on the bending segment of each expansion piece 10
Side elevation on the gusset 12 of position towards 1 center of the body of rod is set as inclined-plane；The root of the anchor head 2 uses taper type structure, in anchor head 2
The taper type structure of root is circumferentially opened up there are four guide and limit slot 13, guide and limit slot 13 and guide and limit gusset 12
Position corresponds；When the guide and limit slot 13 is mating with guide and limit gusset 12, for from the body of rod 1 to anchor head
2 transmitting torques；Expansion piece subtended angle limiting component 14 is installed in the root of the expansion piece 10.
Be provided with the expanding mechanism of anchor hole on the body of rod 1, the expanding mechanism of anchor hole include first cut native knife 15,
First cuts native knife mounting base 16, second cuts native knife 17 and second cut native knife mounting base 18；Described first cuts native 16 He of knife mounting base
Second cuts the outer surface that native knife mounting base 18 is packed in the body of rod 1 with circumferential symmetric mode；Described first, which cuts native knife 15, is hinged on
One cuts in native knife mounting base 16, and first, which cuts native knife 15, cuts the rotation freedom degree in native knife mounting base 16 with 90 ° first；It is described
Second, which cuts native knife 17, is hinged on second and cuts in native knife mounting base 18, and second cuts native knife 17 and cut in native knife mounting base 18 second and have
90 ° of rotation freedom degree；When the body of rod 1 is rotated clockwise, first cut native knife 15 with second cut native knife 17 it is synchronous partially
First order restraining position is gone to, under first order restraining position, first, which cuts native knife 15 and second, cuts native knife 17 and cut with the first order
Native radius；When the body of rod 1 is rotated counterclockwise, first, which cuts native knife 15 and second, cuts native 17 synchronous deflection of knife to the second level
Restraining position, under the restraining position of the second level, first, which cuts native knife 15 and second, cuts native knife 17 and cuts native radius with the second level；It is described
The first order cuts native radius and cuts native radius less than the second level.
Body of rod self-centering unit is provided on the body of rod 1, body of rod self-centering unit quantity is three and along bar
Body 1 is axial to be uniformly arranged；The body of rod self-centering unit includes supporting rod 19, thrust spring 20 and supporting rod mounting base
21；21 quantity of supporting rod mounting base is four, and four supporting rod mounting bases 21 are fixedly mounted in a manner of being circumferentially uniformly arranged
In the outer surface of the body of rod 1, each supporting rod mounting base 21 is hinged with a supporting rod 19, and the thrust spring 20 connects
Between 1 outer surface of supporting rod 19 and the body of rod.
A kind of weak soil dykes and dams anchoring construction method, using the slip casting anchor stock for being applicable in weak soil dykes and dams, including such as
Lower step:
Step 1: being first laid with steel in the slope surface of weak soil dykes and dams 22 and mould grid 23, and U-shaped pricker is recycled to follow closely 24 pairs of steel modeling grids
23 are fixed；
Step 2: determining the position of drilling of anchor hole in the slope surface of weak soil dykes and dams 22, then drills what is determined
Position sets up drilling machine, then will be on rockbolt installation to drilling machine by the body of rod 1；
Step 3: starting drilling machine first controls drilling machine and rotates clockwise, and revolving speed is controlled at 60~70 revs/min, makes anchor
The anchor head 2 of bar is pierced in advance in weak soil dykes and dams 22, and with constantly piercing for anchor pole, when anchor hole, expanding mechanism starts to pierce weak soil
When dykes and dams 22, first, which cuts native knife 15 and second, cuts native knife 17 and can deflect into first order restraining position under the drag effect of the soil body,
And reaming is carried out to anchor hole in the case where the first order cuts native radius；
Step 4: with constantly piercing for anchor pole, when the drilling depth and rock-bolt length of anchor hole reach the setting ratio of 1:2
When example, the rotation direction of drilling machine is adjusted to counterclockwise, first native knife 15 and second is cut at this time and cuts native knife 17 and understand resistance in the soil body
The second restraining position is deflected under power effect, and reaming is carried out to anchor hole in the case where native radius is cut in the second level；
Step 5: after anchor pole reaches the drilling depth of setting, drilling machine is shut down, anchor hole at this time is rendered as variable diameter ladder
Pore morphology guarantees the concentricity of anchor pole and anchor hole by body of rod self-centering unit in entire boring procedure；Actually apply
During work, the series of variable diameter stepped hole can be selected according to actual needs, i.e. the quantity of the major diameter section of variable diameter stepped hole can be with
It is selected according to actual needs；
Step 6: drilling machine is removed, steel strand wires tractor in erection, is led by steel strand wires tractor to steel strand wires 6
It draws, traction force is directly delivered to anchor head 2 by steel strand wires 6, and anchor head 2 can back away under traction force effect, and anchor head 2 was retreating
Gradually expansion piece 10 will be strutted in journey, until the opening angle of expansion piece 10 reaches the restriction of expansion piece subtended angle limiting component 14
Traction force is shed after angle, the expansion piece 10 opened at this time will be cut in the soil body；Generally by expansion piece subtended angle limiting component 14
Angle initialization is limited as 60 °；
Step 7: removing steel strand wires tractor, then implements slip casting operation into anchor hole by Grouting Pipe 5, slurry according to
It is secondary to be entered in anchor hole by the slurry outlet 8 of Grouting Pipe 5 and anchor head 2, until slurry is full of entire anchor hole；By slip casting pressure
Power is controlled in 0.4MPa~2MPa；
Step 8: bearing plate 3 and nut 4 are successively installed in 1 exposed junction of the body of rod of anchor pole, steel strand wires 6 are then passed through into anchor
Tool 7 is fixed, and after slurry solidification reaches design strength, construction terminates, as shown in Figure 9.
The scope of patent protection that scheme in embodiment is not intended to limit the invention, it is all without departing from carried out by the present invention etc.
Effect implements or change, is both contained in the scope of the patents of this case.
Claims (5)
1. a kind of slip casting anchor stock for being applicable in weak soil dykes and dams, it is characterised in that: including the body of rod, anchor head, bearing plate, nut, slip casting
Pipe, steel strand wires and anchorage；The anchor head is located at lever front end, and the bearing plate and nut are successively sleeved on body of rod rear end；It is described
The body of rod is hollow structure, and the Grouting Pipe is installed on inside the body of rod, and Grouting Pipe one end is connected with the slurry outlet of anchor head, Grouting Pipe
The other end extends body of rod rear end nozzle；The steel strand wires quantity is several, and several steel strand wires are along Grouting Pipe circumference to uniform
Distribution, several steel strand wires are positioned by steel strand wires bracket；Described steel strand wires one end is connected on anchor head, and steel strand wires are another
End is fixed at the nozzle of body of rod rear end by anchorage.
2. a kind of slip casting anchor stock for being applicable in weak soil dykes and dams according to claim 1, it is characterised in that: before the body of rod
End offers several notch, and cut-out direction is parallel with the central axes of the body of rod, if being separated out lever front end by several notch
Dry expansion piece；The end of the expansion piece, in 90 ° of bendings, constitutes the body of rod by the bending segment of several expansion pieces towards body of rod center
Nozzle barrier structure is installed with Grouting Pipe across hole at the center of the nozzle barrier structure of the body of rod；In each expansion piece
It is fixedly installed guide and limit gusset on bending segment, the side elevation on guide and limit gusset towards body of rod center is set as inclined-plane；
The root of the anchor head uses taper type structure, and the taper type structure in anchor head root circumferentially offers several guide and limits and inserts
Slot, guide and limit slot is equal with the quantity of guide and limit gusset and position corresponds；When the guide and limit slot with lead
When mating to limit gusset, for transmitting torque from the body of rod to anchor head；Expansion piece is installed in the root of the expansion piece
Subtended angle limiting component.
3. a kind of slip casting anchor stock for being applicable in weak soil dykes and dams according to claim 1, it is characterised in that: on the body of rod
It is provided with the expanding mechanism of anchor hole, the expanding mechanism of anchor hole includes first cutting native knife, first cutting native knife mounting base, second cut
Native knife and second cut native knife mounting base；Described first cuts native knife mounting base and second to cut native knife mounting base solid with circumferential symmetric mode
Mounted in the outer surface of the body of rod；Described first, which cuts native knife, is hinged on first and cuts in native knife mounting base, and first, which cuts native knife, cuts soil first
There is 90 ° of rotation freedom degree in knife mounting base；Described second, which cuts native knife, is hinged on second and cuts in native knife mounting base, and second cuts soil
Knife cuts the rotation freedom degree in native knife mounting base with 90 ° second；When the body of rod is rotated clockwise, first cuts soil
Knife and second cuts native knife synchronous deflection to first order restraining position, and under first order restraining position, first, which cuts native knife and second, is cut
Native cutter has the first order to cut native radius；When the body of rod is rotated counterclockwise, first, which cuts native knife and second, cuts native knife synchronization
Second level restraining position is deflected into, under the restraining position of the second level, first, which cuts native knife and second, cuts native cutter and have the second level to cut soil
Radius；The first order cuts native radius and cuts native radius less than the second level.
4. a kind of slip casting anchor stock for being applicable in weak soil dykes and dams according to claim 1, it is characterised in that: on the body of rod
It is provided with body of rod self-centering unit, body of rod self-centering unit quantity is several and is axially uniformly arranged along the body of rod；The body of rod
Self-centering unit includes supporting rod, thrust spring and supporting rod mounting base；The supporting rod mounting base quantity is several,
Several supporting rod mounting bases are packed in the outer surface of the body of rod in a manner of being circumferentially uniformly arranged, and each supporting rod mounting base is cut with scissors
It is connected to a supporting rod, the thrust spring is connected between supporting rod and body of rod outer surface.
5. a kind of weak soil dykes and dams anchoring construction method, using the slip casting anchor stock described in claim 1 for being applicable in weak soil dykes and dams,
It is characterized by comprising following steps:
Step 1: being first laid with steel in the slope surface of weak soil dykes and dams and mould grid, recycles U-shaped pricker nail that steel modeling grid is fixed；
Step 2: determining the position of drilling of anchor hole in the slope surface of weak soil dykes and dams, then in the position rack of drilling determined
If drilling machine, then will be on rockbolt installation to drilling machine by the body of rod；
Step 3: starting drilling machine first controls drilling machine and rotates clockwise, pierces the anchor head of anchor pole in advance in weak soil dykes and dams, with
Anchor pole constantly pierces, when the expanding mechanism of anchor hole starts to pierce weak soil dykes and dams, first cut native knife and second cut native knife can be
First order restraining position is deflected under the drag effect of the soil body, and reaming is carried out to anchor hole in the case where the first order cuts native radius；
Step 4: it with constantly piercing for anchor pole, when the drilling depth of anchor hole reaches setting ratio with rock-bolt length, will bore
The rotation direction of machine is adjusted to counterclockwise, first is cut native knife and second at this time and is cut native knife and can deflect under the drag effect of the soil body
Second restraining position, and reaming is carried out to anchor hole in the case where native radius is cut in the second level；
Step 5: after anchor pole reaches the drilling depth of setting, shutting down drilling machine, and anchor hole at this time is rendered as variable diameter stepped hole shape
State guarantees the concentricity of anchor pole and anchor hole by body of rod self-centering unit in entire boring procedure；
Step 6: drilling machine is removed, and steel strand wires tractor in erection pulls steel strand wires by steel strand wires tractor, leads
Pulling force is directly delivered to anchor head by steel strand wires, and anchor head can back away under traction force effect, and anchor head will be by fallback procedures
Gradually expansion piece is strutted, sheds drawing after the restriction angle that the opening angle of expansion piece reaches expansion piece subtended angle limiting component
Power, the expansion piece opened at this time will be cut in the soil body；
Step 7: removing steel strand wires tractor, then implements slip casting operation into anchor hole by Grouting Pipe, slurry passes sequentially through
The slurry outlet of Grouting Pipe and anchor head enters in anchor hole, until slurry is full of entire anchor hole；
Step 8: bearing plate and nut are successively installed in the body of rod exposed junction of anchor pole, then consolidated steel strand wires by anchorage
Fixed, after slurry solidification reaches design strength, construction terminates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910119098.5A CN109811719A (en) | 2019-02-18 | 2019-02-18 | A grouting bolt suitable for soft soil dams and an anchoring construction method for soft soil dams |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910119098.5A CN109811719A (en) | 2019-02-18 | 2019-02-18 | A grouting bolt suitable for soft soil dams and an anchoring construction method for soft soil dams |
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|---|---|
| CN109811719A true CN109811719A (en) | 2019-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910119098.5A Pending CN109811719A (en) | 2019-02-18 | 2019-02-18 | A grouting bolt suitable for soft soil dams and an anchoring construction method for soft soil dams |
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Cited By (4)
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| CN112281876A (en) * | 2020-11-18 | 2021-01-29 | 山东科技大学 | Construction method based on interlocking type ecological geogrid |
| CN113047881A (en) * | 2021-05-07 | 2021-06-29 | 南京博联特光电科技有限公司 | GFRP intelligent combined anchor rod suitable for subway tunnel support and construction method |
| CN113431221A (en) * | 2021-07-21 | 2021-09-24 | 宋显科 | Novel energy-conserving building waterproof insulation outer wall structure |
| CN119394145A (en) * | 2025-01-03 | 2025-02-07 | 广东电网有限责任公司东莞供电局 | A knife switch position confirmation device based on magnetic induction |
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| CN112281876A (en) * | 2020-11-18 | 2021-01-29 | 山东科技大学 | Construction method based on interlocking type ecological geogrid |
| CN112281876B (en) * | 2020-11-18 | 2022-02-01 | 山东科技大学 | A construction method based on interlocking ecological geogrid |
| CN113047881A (en) * | 2021-05-07 | 2021-06-29 | 南京博联特光电科技有限公司 | GFRP intelligent combined anchor rod suitable for subway tunnel support and construction method |
| CN113047881B (en) * | 2021-05-07 | 2023-09-26 | 南京博联特光电科技有限公司 | GFRP intelligent combined anchor rod suitable for subway roadway support and construction method |
| CN113431221A (en) * | 2021-07-21 | 2021-09-24 | 宋显科 | Novel energy-conserving building waterproof insulation outer wall structure |
| CN119394145A (en) * | 2025-01-03 | 2025-02-07 | 广东电网有限责任公司东莞供电局 | A knife switch position confirmation device based on magnetic induction |
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Application publication date: 20190528 |