CN214940099U - Environment-friendly tension-compression composite dispersed anchor rod - Google Patents
Environment-friendly tension-compression composite dispersed anchor rod Download PDFInfo
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- CN214940099U CN214940099U CN202120389134.2U CN202120389134U CN214940099U CN 214940099 U CN214940099 U CN 214940099U CN 202120389134 U CN202120389134 U CN 202120389134U CN 214940099 U CN214940099 U CN 214940099U
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- 238000007906 compression Methods 0.000 title claims description 25
- 239000002131 composite material Substances 0.000 title claims description 15
- 150000001875 compounds Chemical class 0.000 claims abstract description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 27
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 239000004033 plastic Substances 0.000 claims description 13
- 229920003023 plastic Polymers 0.000 claims description 13
- 239000006185 dispersion Substances 0.000 claims description 11
- 239000002390 adhesive tape Substances 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 229920002748 Basalt fiber Polymers 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000004873 anchoring Methods 0.000 abstract description 14
- 238000010276 construction Methods 0.000 abstract description 11
- 230000002093 peripheral effect Effects 0.000 abstract description 4
- 230000003014 reinforcing effect Effects 0.000 abstract description 4
- 230000007774 longterm Effects 0.000 abstract description 3
- 238000003825 pressing Methods 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract 1
- 239000002689 soil Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002285 radioactive effect Effects 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 229920006238 degradable plastic Polymers 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
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- 238000011160 research Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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Abstract
The utility model discloses an environment-friendly draws and presses compound distributed stock, including pressure type stock, pulling force type stock and drawing and pressing stock load board, pressure type stock is recoverable pressure type stock, including the reinforcing bar body of rod and unlocking device. The utility model discloses effectively solved stock stress concentration, anchoring performance poor, long-term stress loss big, neighbouring engineering construction limited, polluted environment scheduling problem, it is reasonable to provide a stress distribution, and the resistance to plucking bearing capacity is strong, does not influence peripheral construction, and environmental protection, recoverable, energy saving and emission reduction's stock has extensive application prospect and economic, social that is showing.
Description
Technical Field
The utility model belongs to the technical field of ground anchor, concretely relates to compound distributed stock is drawn and pressed to environment-friendly.
Background
Along with the acceleration of urbanization process, high building mansion scale grade sleigh ratio, subway, piping lane vertically and horizontally staggered, complicated deep foundation ditch engineering emerges from this in a large number. The deep foundation pit supporting forms are various, the conventional supporting forms comprise spray anchor supporting, pile anchor supporting and anchor rod composite soil nailing wall supporting, and none of the supporting systems does not depend on an anchor rod to provide prestress so as to maintain the integral stability of the foundation pit.
The anchor rod is widely applied in the field of geotechnical engineering as a common anchoring structure, but the anchor rod generally has the following problems: 1) the anchoring force of the anchor rod does not increase linearly along with the anchoring length, and the anchoring performance cannot be effectively enhanced by excessively increasing the anchoring length; 2) the stress of the pressure type anchor rod is mainly concentrated near the bearing plate, while the stress of the tension type anchor rod is mainly concentrated near the interface of the anchoring section and the free section, so that the stress is concentrated too much and distributed unreasonably, and the pull-out resistance of the anchor rod is not good; 3) with the increase of capital construction projects such as subways, pipe galleries and the like, the shield tunneling technology is widely adopted, and anchor rods remaining underground can damage a shield cutter head, so that the construction period is stopped and unnecessary economic loss is caused; 4) the reserved underground anchor rod and the steel bar body seriously damage the underground environment, so that the underground water body is polluted.
Disclosure of Invention
To the technical problem, the utility model aims at providing a stress distribution is reasonable, and resistance to plucking bearing capacity is strong, does not influence peripheral construction, green, recoverable, energy saving and emission reduction's stock.
The utility model adopts the technical proposal that:
an environment-friendly tension-compression composite dispersion anchor rod comprises a plurality of pressure anchor rods, a plurality of tension anchor rod bearing plates, a base plate and an anchor head; the pressure type anchor rod is a recoverable pressure type anchor rod and comprises a steel bar rod body and an unlocking device, and the tail end of the steel bar rod body is an unlocking end; the unlocking end comprises a first conventional section, a first reduced diameter section, a second conventional section, a threaded section and a second reduced diameter section from bottom to top, the diameter of the second reduced diameter section is smaller than or equal to the minor diameter (inner diameter) of the threaded section, and the cross section of the top end of the second reduced diameter section is in a radioactive sawtooth shape; the unlocking device comprises a shell, a top limiter positioned at the top end of the shell, a fixed panel fixedly connected with the shell, wherein an annular lifting screw rod limiter is arranged on the fixed panel, a lifting screw rod penetrates through the lifting screw rod limiter, the internal thread of the lifting screw rod limiter is meshed with the external thread of the lifting screw rod, the section of the bottom end of the lifting screw rod is in a radioactive zigzag shape and is matched with the section of the top end of a second reducing section, a transmission gear is symmetrically fixed at the left side and the right side of the fixed panel through a transmission gear shaft, gear clamping arms are fixed at the left end and the right end of the fixed panel through gear clamping arm shafts, the transmission gear is meshed and connected with the external thread of the lifting screw rod, a gear at the upper end of each gear clamping arm is meshed and connected with the transmission gear, an open-close type pressure-bearing semicircular ring is arranged at the lower end of each gear clamping arm, a thread limiter fixedly connected with the shell is arranged below the fixed panel, and a thread section penetrates through the thread limiter, the external thread of the thread section is meshed with the internal thread of the thread limiter, and the lower end of the shell is provided with a high-strength metal bearing plate; the high-strength metal bearing plate is fixedly connected with the tension-compression anchor rod bearing plate; when the anchor rod is assembled before the anchor rod is installed, the two opening-closing type pressure-bearing semicircular rings are bonded into the opening-closing type pressure-bearing rings, the first diameter-reducing section penetrates through the opening-closing type pressure-bearing rings and has no friction with each other, the first diameter-reducing section is tensioned through the gear clamp arm, and the opening-closing type pressure-bearing rings and the thread limiter realize double locking of the reinforcing steel bar body; when the pressure type anchor rod is recovered, the base plate and the anchor head are removed, the reinforcing steel bar body is screwed up clockwise, the reinforcing steel bar body rises, the first reducing section moves upwards in the opening-closing type pressure-bearing ring, the section sawtooth at the top end of the second reducing section is meshed with the section sawtooth at the bottom end of the lifting screw rod, the lifting screw rod is driven to rise in a rotating mode simultaneously, the lifting screw rod rises in a rotating mode to drive the transmission gear to rotate, the gear clamping arm is driven to expand, the opening-closing type pressure-bearing ring is opened, the locking of the first reducing section of the reinforcing steel bar body is released, the first unlocking procedure is completed, then the reinforcing steel bar body is continuously rotated clockwise, after the lifting screw rod touches the top limiter, the reinforcing steel bar body is rotated in the opposite direction, when the spiral section of the reinforcing steel bar body is screwed out of the thread limiter anticlockwise, the second unlocking procedure is completed, and the reinforcing steel bar body can be pulled out.
The diameter of the second reducing section is smaller than or equal to the inner diameter of the thread section so that the second reducing section can smoothly pass through the thread limiter.
The lifting screw rod limiters are symmetrically arranged at the upper end and the lower end of the fixed panel.
The pressure type anchor rod further comprises a plastic sleeve, the reinforcing steel rod body and the plastic sleeve are lubricated, and no friction exists between the reinforcing steel rod body and the plastic sleeve. The steel bar body can rotate and slide freely in the plastic sleeve, so that the steel bar body can be screwed in, screwed out and drawn out conveniently. The plastic sleeve is degradable plastic.
The two sides of the open-close type pressure-bearing semi-circle ring are bonded into the open-close type pressure-bearing ring by adopting adhesive tapes, the adhesive tapes play a role in fixing when the open-close type pressure-bearing ring is closed, and when the gear clamp arm is unfolded, the open-close type pressure-bearing ring is opened, and the adhesive tapes are damaged.
The tension anchor rod is made of Basalt Fiber Reinforced Plastics (BFRP).
The length of each group of the tension anchor rods is different, and the tension anchor rods are symmetrically arranged in a long-short mode.
The bolt further comprises an enlarged section; the tension-compression anchor rod bearing plate is positioned in the middle of the corresponding expander section.
The stock still includes a plurality of stock centering support.
The high-strength metal bearing plate of the unlocking device and the tension-compression anchor rod bearing plate are fixedly connected by welding and bolts.
The tension anchor rod is fixed on the tension anchor rod bearing plate through the wedge-shaped clamping piece.
The utility model has the advantages that:
(1) the distribution of anchor rod stress is more reasonable. The stress of the existing pressure type anchor rod is mainly concentrated near the bearing plate, the stress of the tension type anchor rod is mainly concentrated near the interface of the anchoring section and the free section, the stress of the tension and compression composite anchor rod is mainly concentrated on the tension and compression interface, and the anchor rod does not solve the problem of anchor rod stress concentration. The utility model discloses a compound stock is drawn and pressed in dispersion setting, with a big concentrated load rational division along a plurality of less loads of body of rod evenly distributed, leads to long anchor section and can effectively exert the anchoring effect, effectively improves the anchoring performance.
(2) Effectively improve the anchoring performance of the tension type anchor rod part. The utility model provides a novel method is laid to pulling force type stock body of rod, disperses the peak load of collecting pulling force type stock concentrated stress through the length staggered arrangement body of rod, realizes the wrong peak of stress, avoids taking place stress peak value stack. The stress peak value is dispersed, so that the anchoring performance of the anchor rod can be effectively improved, and the stress loss of the anchor rod can be reduced.
(3) The uplift bearing capacity of the anchor rod is effectively enhanced. Related researches show that the stress of the tension-compression composite anchor rod is mainly concentrated on a tension-compression interface, and the tension-compression interface is a weak part for anchoring the anchor rod and is easy to slip and damage. Based on this, have pointed to set up the expander section at this position, the bonding property of this position is effectively increased on one hand, and on the other hand provides the end load-carrying through the extrusion soil body of expander section tip, can effectively strengthen the resistance to plucking bearing capacity of stock. Moreover, the creep deformation between the anchor rod and the soil body can be effectively inhibited due to the arrangement of the expansion body section, and the long-term stress loss of the anchor rod is greatly reduced.
(4) And the smooth construction of adjacent projects is guaranteed. The pressure type anchor rod in the utility model is a recoverable anchor rod, and the rod body can be completely recovered; and the tension type anchor rod is made of basalt fiber reinforced material (BFRP), and is essentially made of basalt rock mass. The anchor rod can effectively solve the problem that a steel strand stranded shield cutter head exists during shield tunneling construction, and does not influence the excavation of peripheral foundation pits and the construction of adjacent underground structures.
(5) Green, environment-friendly, energy-saving and emission-reducing. The corrosion of steel bars and steel strand rods deeply buried in the ground along with the water under the ground can seriously pollute the underground environment. The utility model discloses retrieve the reinforcing bar body of rod, can effectively avoid environmental pollution, but in addition recoverable reinforcing bar reuse, energy saving and emission reduction realizes sustainable development.
(6) The unlocking device has excellent performance. The utility model provides a novel unlocking device, when the device locks the rod body, the double locking of the rod body is realized through an open-close type bearing ring and a thread limiter, and the unlocking device is prevented from losing efficacy when the prestress is tensioned; in addition, the unlocking device is a mechanical unlocking device, is simple to operate and stable in performance, and can realize the complete recovery of the anchor rod rib body.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a sectional view taken along line A-A;
fig. 3 is a schematic view of the unlocking device of the present invention;
FIG. 4 is a sectional view taken along line B-B;
fig. 5 is an unlocking schematic diagram a of the unlocking device of the present invention;
fig. 6 is an unlocking schematic diagram B of the unlocking device of the present invention;
wherein, 1, a pressure type anchor rod; 2. a tension type anchor rod; 3. pulling and pressing the anchor rod bearing plate; 4. the anchor rod centering bracket; 5. a base plate; 6. an anchor head; 7. a plastic sleeve; 8. a reinforcing bar body; 801. a first conventional section; 802. a first reducing section; 803. a second conventional section; 804. a threaded segment; 805. a second reducing section; 9. an unlocking device; 901. a housing; 902. a top retainer; 903. fixing the panel; 904. a lifting screw rod limiter; 905. a lifting screw; 906. a transmission gear; 907. a drive gear shaft; 908. a gear clamping arm; 909. a gear clamp arm shaft; 910. a threaded stop; 911. a high-strength metal bearing plate; 912. an open-close type pressure-bearing semicircular ring; 913. an adhesive tape; 10. an expander segment.
Detailed Description
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "longitudinal," "transverse," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Example 1
As shown in fig. 1, 2, 3, 4, 5, 6, an environment-friendly tension-compression composite dispersion expanding anchor rod comprises a plurality of pressure anchor rods 1, a plurality of tension anchor rods 2, a plurality of tension anchor rod bearing plates 3, a plurality of anchor rod centering brackets 4, a backing plate 5, an anchor head 6 and an expanding body section 10; the pressure type anchor rod 1 is a recyclable pressure type anchor rod and comprises a plastic sleeve 7, a steel bar rod body 8 and an unlocking device 9, wherein the tail end of the steel bar rod body 8 is an unlocking end; the unlocking end of the reinforced bar body 8 comprises a first conventional section 801, a first reduced diameter section 802, a second conventional section 803, a threaded section 804 and a second reduced diameter section 805 from bottom to top; the diameter of the second reducing section 805 is equal to the inner diameter of the thread section 804, and the cross section of the top end of the second reducing section 805 is in a radial sawtooth shape; the unlocking device comprises a shell 901, a top limiter 902 positioned at the top end of the shell 901, a fixed panel 903 fixedly connected with the shell 901, annular lifting screw rod limiters 904 symmetrically arranged at the upper end and the lower end of the fixed panel 903, lifting screw rods 905 penetrating through the lifting screw rod limiters 904, threads of the lifting screw rods 905 engaged with inner threads of the lifting screw rod limiters 904, the section of the bottom ends of the lifting screw rods 905 is in a radial sawtooth shape and matched with the section of the top end of a second diameter reduction section, transmission gears 906 symmetrically fixed at the left side and the right side of the fixed panel 903 through transmission gear shafts 907, gear clamping arms 908 fixed at the left end and the right end of the fixed panel 903 through gear clamping arm shafts 909, the transmission gears 906 engaged with outer threads of the lifting screw rods 905, gears at the upper ends of the gear clamping arms engaged with the transmission gears 906, the lower ends of the gear clamping arms 908 provided with open-close type pressure-bearing semicircular rings, and thread limiters 910 fixedly connected with the shell 901 are arranged below the fixed panel 903, the thread section 804 penetrates through the thread limiter 910, external threads of the thread section 804 are meshed with internal threads of the thread limiter 910, and the lower end of the shell 901 is provided with a high-strength metal pressure bearing plate 911; the high-strength metal pressure bearing plate 911 is fixedly connected with the tension-compression anchor rod bearing plate 3 in a welding manner; the reinforcing steel bar body 8 and the plastic sleeve 7 are lubricated, no friction exists between the reinforcing steel bar body and the plastic sleeve, and the reinforcing steel bar body can freely rotate and slide in the plastic sleeve so as to be convenient for screwing in, screwing out and drawing out; the tension anchor rod 2 is a basalt fiber reinforced material (BFRP) anchor rod; the length of each group of the tension type anchor rods 2 is different, and the tension type anchor rods are symmetrically arranged in a long-short mode. The tension-compression anchor rod bearing plate 3 is positioned in the middle of the corresponding expander section 10, and the tension-type anchor rod 2 is fixed on the tension-compression anchor rod bearing plate 3 through the wedge-shaped clamping piece 201.
The construction method comprises the following steps:
firstly, determining the installation position of an anchor rod;
step two, drilling and reaming;
step three, combining and installing the anchor rod: the unlocking device comprises a combined unlocking end and an unlocking device, wherein two opening-closing type pressure-bearing semi-circular rings 912 are bonded into an opening-closing type pressure-bearing ring through a rubber bag 913, a first diameter-reducing section 802 penetrates through the opening-closing type pressure-bearing ring and has no friction with each other, the first diameter-reducing section is tensioned through a gear clamping arm 8, and the opening-closing type pressure-bearing ring and a thread limiter realize double locking of a steel bar body 8; arranging an anchor rod;
step four, primary grouting;
step five, secondary splitting grouting;
step six, tensioning and locking the anchor rod;
step seven, after the anchor rod completes the supporting task, recovering the pressure type anchor rod: the backing plate and the anchor head are removed, the reinforcing steel bar body 8 is rotated clockwise, the reinforcing steel bar body 8 rises, the first reducing section 802 moves upwards in the opening-closing type pressure-bearing ring, the saw tooth of the top end section of the second reducing section 803 is meshed with the saw tooth of the bottom end section of the lifting screw 905, meanwhile, the lifting screw 905 is driven to rotate and rise, the lifting screw 905 rotates and drives the transmission gear 906 to rotate, so that the gear clamp arm 908 is driven to expand, the adhesive tape 913 is damaged, the opening-closing type pressure-bearing ring is opened, the locking of the first reducing section 802 of the reinforcing steel bar body is released, the first unlocking procedure is completed, then the reinforcing steel bar body 8 is continuously rotated clockwise, after the lifting screw 905 touches the top limiter 902, the reinforcing steel bar body 8 is rotated in the opposite direction, when the spiral section 804 of the reinforcing steel bar body rotates anticlockwise out of the thread limiter 910, the second unlocking procedure is completed, and the reinforcing steel bar body 8 can be pulled out.
The utility model discloses effectively solved stock stress concentration, anchoring performance poor, long-term stress loss big, neighbouring engineering construction limited, polluted environment scheduling problem, it is reasonable to provide a stress distribution, and the resistance to plucking bearing capacity is strong, does not influence peripheral construction, green, energy saving and emission reduction's stock has extensive application prospect and economic, social that is showing.
Claims (9)
1. The utility model provides an environment-friendly draws and presses compound distributed stock which characterized in that: comprises a plurality of pressure anchor rods (1), a plurality of tension anchor rods (2), a plurality of tension anchor rod bearing plates (3), a backing plate (5) and an anchor head (6); the pressure type anchor rod is a recoverable pressure type anchor rod and comprises a steel bar body (8) and an unlocking device (9), and the tail end of the steel bar body (8) is an unlocking end; the unlocking end comprises a first conventional section (801), a first reduced diameter section (802), a second conventional section (803), a threaded section (804) and a second reduced diameter section (805) from bottom to top, the diameter of the second reduced diameter section (805) is smaller than or equal to the inner diameter of the thread of the threaded section (804), and the cross section of the top end of the second reduced diameter section (805) is in a radial sawtooth shape; the unlocking device (9) comprises a shell (901), a top limiter (902) positioned at the top end of the shell (901), and a fixed panel (903) fixedly connected with the shell (901), wherein an annular lifting screw rod limiter (904) is arranged on the fixed panel (903), a lifting screw rod (905) penetrates through the lifting screw rod limiter (904), the internal thread of the lifting screw rod limiter (904) is meshed with the external thread of the lifting screw rod (905), the section of the bottom end of the lifting screw rod (905) is in a radial sawtooth shape and is matched with the section of the top end of a second diameter reduction section (805), a transmission gear (906) is symmetrically fixed at the left side and the right side of the fixed panel (903) through a transmission gear shaft (907), a gear clamping arm (908) is fixed at the left end and the right end of the fixed panel (903) through a gear clamping arm shaft (909), and the transmission gear (906) is meshed with the external thread of the lifting screw rod (905), a gear at the upper end of the gear clamping arm (908) is meshed with the transmission gear (906), an open-close type pressure-bearing semicircular ring (912) is arranged at the lower end of the gear clamping arm (908), a thread limiter (910) fixedly connected with the shell (901) is arranged below the fixed panel (903), the thread section (804) penetrates through the thread limiter (910), an external thread of the thread section (804) is meshed with an internal thread of the thread limiter (910), and a high-strength metal pressure-bearing plate (911) is arranged at the lower end of the shell (901); the high-strength metal bearing plate (911) is fixedly connected with the tension and compression anchor rod bearing plate (3); when the anchor rod is assembled before the anchor rod is installed, the two opening-closing type pressure-bearing semi-circular rings (912) are bonded into an opening-closing type pressure-bearing ring, the first diameter-reducing section (802) penetrates through the opening-closing type pressure-bearing ring and has no friction with each other, the first diameter-reducing section (802) is tensioned through the gear clamping arms (908), and the opening-closing type pressure-bearing ring and the thread limiter (910) realize double locking of the reinforcing steel bar body (8); when the pressure type anchor rod is recovered, the backing plate (5) and the anchor head (6) are removed, the reinforcing steel rod body (8) is screwed up clockwise, the reinforcing steel rod body (8) rises, the first reducing section (802) moves upwards in the opening-closing type pressure-bearing ring, the section sawtooth at the top end of the second reducing section (805) is meshed with the section sawtooth at the bottom end of the lifting screw (905), meanwhile, the lifting screw (905) is driven to rotate and rise, the lifting screw (905) rotates and rises to drive the transmission gear (906) to rotate, so that the gear clamping arm (908) is driven to expand, the opening-closing type pressure-bearing ring is opened, the locking of the first reducing section (802) of the reinforcing steel rod body (8) is released, the first unlocking procedure is completed, then the reinforcing steel rod body (8) is continuously rotated clockwise, when the lifting screw (905) touches the top limiter (902), the reinforcing steel rod body (8) is rotated in the opposite direction, and when the thread section (804) of the reinforcing steel rod body (8) is screwed out of the thread limiter (910) anticlockwise, and finishing the second unlocking procedure, namely drawing out the steel bar body (8).
2. The environment-friendly tension-compression composite dispersion type anchor rod as claimed in claim 1, wherein: the lifting screw rod limiters (904) are symmetrically arranged at the upper end and the lower end of the fixed panel (903).
3. The environment-friendly tension-compression composite dispersion type anchor rod as claimed in claim 1, wherein: the pressure type anchor rod (1) further comprises a plastic sleeve (7), the steel bar rod body (8) and the plastic sleeve (7) are lubricated, and no friction exists between the steel bar rod body and the plastic sleeve.
4. The environment-friendly tension-compression composite dispersion type anchor rod as claimed in claim 1, wherein: two sides of the open-close type pressure-bearing semi-circle ring (912) are bonded into an open-close type pressure-bearing ring by adopting adhesive tapes, the adhesive tapes play a role in fixing when the open-close type pressure-bearing ring is closed, and when the gear clamping arms (908) are unfolded, the open-close type pressure-bearing ring is opened, and the adhesive tapes are damaged.
5. The environment-friendly tension-compression composite dispersion type anchor rod as claimed in claim 1, wherein: the tension anchor rod (2) is made of basalt fiber reinforced materials.
6. The environment-friendly tension-compression composite dispersion type anchor rod as claimed in claim 1, wherein: the length of each group of the tension anchor rods (2) is different, and the tension anchor rods are symmetrically arranged in a long-short mode.
7. The environment-friendly tension-compression composite dispersion type anchor rod as claimed in claim 1, wherein: further comprising an expander segment (10); the tension and compression anchor rod bearing plate (3) is positioned in the middle of the corresponding expansion body section (10).
8. The environment-friendly tension-compression composite dispersion type anchor rod as claimed in claim 1, wherein: the anchor rod also comprises a plurality of anchor rod centering brackets (4).
9. The environment-friendly tension-compression composite dispersion type anchor rod as claimed in claim 1, wherein: the tension anchor rod (2) is fixed on the tension anchor rod bearing plate (3) through a wedge-shaped clamping piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120389134.2U CN214940099U (en) | 2021-02-22 | 2021-02-22 | Environment-friendly tension-compression composite dispersed anchor rod |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120389134.2U CN214940099U (en) | 2021-02-22 | 2021-02-22 | Environment-friendly tension-compression composite dispersed anchor rod |
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| Publication Number | Publication Date |
|---|---|
| CN214940099U true CN214940099U (en) | 2021-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120389134.2U Expired - Fee Related CN214940099U (en) | 2021-02-22 | 2021-02-22 | Environment-friendly tension-compression composite dispersed anchor rod |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114482039A (en) * | 2022-02-24 | 2022-05-13 | 山西省勘察设计研究院有限公司 | Automatic centering jet grouting enlarged footing anchor cable |
-
2021
- 2021-02-22 CN CN202120389134.2U patent/CN214940099U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114482039A (en) * | 2022-02-24 | 2022-05-13 | 山西省勘察设计研究院有限公司 | Automatic centering jet grouting enlarged footing anchor cable |
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