CN109577325B - Pressure-bearing type expanded anti-floating anchor rod with tree root-shaped connecting piece in bag - Google Patents
Pressure-bearing type expanded anti-floating anchor rod with tree root-shaped connecting piece in bag Download PDFInfo
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- CN109577325B CN109577325B CN201811499981.3A CN201811499981A CN109577325B CN 109577325 B CN109577325 B CN 109577325B CN 201811499981 A CN201811499981 A CN 201811499981A CN 109577325 B CN109577325 B CN 109577325B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/10—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against soil pressure or hydraulic pressure
- E02D31/12—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against soil pressure or hydraulic pressure against upward hydraulic pressure
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Abstract
The invention discloses a pressure-bearing type expanded anti-floating anchor rod with a tree root-shaped connection in a bag, which comprises an anchor rod body, a grouting bag, a sealing component, a grouting pipe, an anchor rod guide head and a grouting bag, the pressure-bearing type expanded anti-floating anchor rod further comprises a positioning disk fixed on the anchoring section of the anchor rod body, one end of the positioning disk is hinged to the positioning disk, a plurality of root-shaped connecting pieces in bags are connected with the inner wall of a grouting bag at the other end of the positioning disk, a sliding disk is arranged below the positioning disk and sleeved on the anchoring section of the anchor rod body in a sleeved mode and can slide up and down along the anchoring section, one end of the sliding disk is hinged to the sliding disk, root-shaped supporting rods in bags are hinged to the middle of the root-shaped connecting pieces in bags at the other end of the sliding disk, a compression spring is arranged below the sliding disk, pin holes are formed in the anchoring section of the anchor rod body, one end of the compression spring is inserted into the pin holes, and the other end. The anchor rod has strong anchoring property, simple structure and convenient installation, and can improve the tensile property, increase the connecting strength of the rod body and the expander section and avoid the problem that the rod body is pulled out from the expander anchoring body part to be damaged by additionally arranging the special connecting piece on the anchor rod body.
Description
Technical Field
The invention relates to an anchor rod, in particular to a pressure-bearing type expanded anti-floating anchor rod with a tree root-shaped connecting piece in a bag.
Background
The traditional friction type anchor rod transfers force load by depending on the adhesive force and the friction effect of the anchoring section to the surrounding soil body, and the size of the anchoring force depends on the length of the effective anchoring section. The bag type expanding anchor rod is one friction end bearing anchor rod with high strength bag made of civil engineering fabric. When the expansion body is used, cement slurry is injected into the bag through the high-pressure pump, and the expanded bag is extruded by surrounding soil layers to form an expansion body section cement bonded entity. Therefore, the bag type expanded anchor rod can resist the buoyancy by the side wall friction force of the expanded section and the bonding force between the expanded section and the surrounding soil body, and can also resist the buoyancy by the end resistance provided by the pressed end of the expanded section. Compared with the traditional anchor rod, the bag type expanded anchor rod has the advantages of high single-anchor bearing capacity, short length, small quantity, high economic and environmental protection benefits and the like.
According to the stress characteristic of the bag type expanded anchor rod, the anchor rod has three main damage modes in practical application: (1) the bearing capacity of the free section rod body is insufficient, and steel strand breakage or steel bar yield failure occurs; (2) when the self strength of the anchoring body is enough, soil body at the end head part of the upper part of the expansion body section is damaged; (3) the cohesive force between the rod body and the anchoring body is destroyed: when the diameter of the expander section is larger, if the resultant force of the frictional resistance of the anchoring section and the bearing force provided by the expander end is larger than the bond stress between the anchor rod and the anchoring body, and the pull-out resistance of the free section rod body is large enough and cannot be damaged, the phenomenon that the rod body is pulled out from the expander anchoring body part can occur. Aiming at the 3 rd phenomenon of anchor rod reinforcing steel bar pulling damage caused by insufficient cohesive force between the rod body and the anchoring body, a new anchoring section bag structure is needed to be invented for improving the bond stress of anchoring section cement paste to the anchor rod reinforcing steel bar so as to enhance the bearing capacity of the bag type expanded anchor rod.
Disclosure of Invention
In view of the above problems, the present invention provides a novel capsule-type expanded anchor rod with strong anchoring property, simple structure and convenient installation, which is provided with a specially-made connecting member on the anchor rod body, and forms a root-shaped divergent structure by increasing the connecting structure between the anchor rod body and the capsule, so as to increase the contact area between the cement paste inside the capsule and the tensile steel bar system, further increase the binding power and the gripping force, improve the tensile property, increase the connecting strength between the rod body and the expanded section, and avoid the damage condition that the rod body is pulled out from the expanded anchor body.
The invention is realized by the following technical scheme.
The utility model provides a pressure-bearing type expands anti-floating anchor rod of body with root form connecting piece in bag, includes the stock body of rod, slip casting bag, seal assembly, slip casting pipe, sets up at the stock direction head of stock body of rod end, be fixed in the stock body of rod anchoring section through seal assembly on and with the slip casting bag of anchoring section parcel, the slip casting pipe passes seal assembly and lets in the slip casting bag in, its characterized in that:
the pressure-bearing type expanded anti-floating anchor rod also comprises a positioning disk fixed on the anchoring section of the anchor rod body, a plurality of root-shaped connecting pieces in bags, a sliding disk, a root-shaped support rod in bags, a compression spring, a pin hole and a compression spring limiting nail, wherein one end of the positioning disk is hinged to the positioning disk, the other end of the positioning disk is connected with the inner wall of a grouting bag, the sliding disk is arranged below the positioning disk, is sleeved on the anchoring section of the anchor rod body in a sleeved mode and can slide up and down along the anchoring section, one end of the root-shaped support rod in bags is hinged to the sliding disk, the other end of the root-shaped support rod in bags is hinged to the middle of the root-shaped connecting pieces in bags, the compression spring is arranged below the sliding disk;
the compression spring comprises a spring base, a spring supporting sheet and a spring body connected between the spring base and the spring supporting sheet; the spring base is fixed on the anchoring section of the anchor rod body, and the spring propping sheet and the spring body ring are sleeved on the anchoring section of the anchor rod body; the part, between the positioning disc and the spring base, in the anchoring section of the anchor rod body is of a cylindrical rod-shaped structure with a smooth surface;
the spring supporting piece is inserted into the pin hole, one end of the spring supporting piece protrudes out of the compression spring limiting nail of the pin hole to limit, and the spring body of the compression spring is in a compressed force storage state.
As a preferred technical scheme, the pressure-bearing type expanded anti-floating anchor rod further comprises a spring sleeve, the bottom end of the spring sleeve is connected with the spring base, and the top end of the spring sleeve is in contact with the sliding disc so as to seal the compression spring shade; nail outlet holes are formed in the two sides of the spring sleeve; one end of the compression spring limiting nail is inserted into the pin hole, the other end of the compression spring limiting nail protrudes out of the pin hole, and the compression spring limiting nail penetrates through the nail outlet hole of the spring sleeve through the flexible string to be connected with the grouting bag.
According to the preferable technical scheme, the nail outlet hole is circular, and a nail outlet hole cap edge capable of blocking cement slurry from entering the spring sleeve from the nail outlet hole is arranged above the nail outlet hole.
As the preferred technical scheme, the tree root-shaped connecting piece in the bag is made of high-strength finish-rolled thread steel bars.
As a preferred technical scheme, the tree root-shaped connecting piece in the bag is matched with a flexible steel cable by adopting high-strength finish-rolled thread steel bars, wherein the high-strength finish-rolled thread steel bars at least comprise four high-strength finish-rolled thread steel bars; one end of the tree root-shaped supporting rod in the bag is hinged with the sliding disc, and the other end of the tree root-shaped supporting rod in the bag is hinged with the middle of the high-strength finish-rolled twisted steel.
As a preferred technical scheme, the spring propping piece is of a circular truncated cone-shaped structure, and a through hole which can just allow the anchoring section of the anchor rod body to pass through is formed in the middle of the spring propping piece.
As the preferred technical scheme, one end of the tree root-shaped connecting piece in the bag is hinged on the positioning disc, and the other end of the tree root-shaped connecting piece in the bag is connected with the inner wall of the grouting bag through a connecting ring.
As a preferred technical scheme, a rubber sealing gasket is arranged below the sliding disc; the bottom end of the spring sleeve is connected with the spring base, and the top end of the spring sleeve is in contact with the rubber sealing washer of the sliding disc so as to seal the compression spring shade.
As a preferred technical scheme, the depth of the pin hole is 0.2-0.4 times of the length of the compression spring limit pin.
The invention has the beneficial effects that:
1) after the tree-root-shaped connecting piece in the bag, which is additionally arranged in the grouting bag, is unfolded, the contact area between cement paste in the bag and the tensile member is obviously increased, the bonding force and the gripping force are further improved, and the problem that the anchor rod is pulled out of the expanded anchoring body to be damaged can be effectively avoided.
2) The tree root-shaped connecting piece in the capsule, the tree root-shaped supporting rod in the capsule, the sliding disc and the positioning disc are connected in a hinged mode, and can be tightly bound by the anchor rod when the anchor rod is placed, so that the cross section area of the capsule type anchor rod when the anchor rod is placed cannot be increased while the anti-pulling performance of the anchor rod is improved.
3) The invention can flexibly select the form of the tree-root-shaped connecting piece (high-strength finish-rolled thread steel bars or flexible steel cables with different specifications) in the bag according to the requirements of factors such as different bag sizes, geological conditions, anchor rod lengths and the like on the binding force between the anchor rod and the cement matrix in the engineering.
4) After the pressure-bearing type expanded anti-floating anchor rod is lowered, the compression and force-storage spring can be automatically triggered to stretch only by a small amount of grouting, the tree-root-shaped supporting rod in the bag and the tree-root-shaped connecting piece in the bag are propped, so that the grouting bag can be expanded and unfolded in advance, and the problems that the tree-root-shaped connecting rod in the bag and the tree-root-shaped supporting rod in the bag are wrapped by cement paste, the tree-root-shaped connecting rod in the bag and the tree-root-shaped supporting rod in the bag have large resistance to stretching and the grouting bag is not easy to completely expand in the grouting process can be solved; particularly, after the grouting is interrupted and the grouting bag is not fully extended, the cement slurry injected into the grouting bag is solidified, and when the grouting is performed again, the grouting bag cannot be expanded and unfolded any more.
Drawings
FIG. 1 is a schematic structural diagram of the pressure-bearing type expanded anti-floating anchor rod of the invention;
FIG. 2 is an enlarged view of the detailed structure of the pressure-bearing type expanded anti-floating anchor rod of the invention;
FIG. 3 is an enlarged view of the detailed structure of the pressure-bearing type expanded anti-floating anchor rod of the invention;
FIG. 4 is a schematic diagram of the pressure-bearing type expanded anti-floating anchor rod after cement slurry is injected;
FIG. 5 is a cross-sectional view taken along line A-A;
FIG. 6 is a schematic structural view of a nail outlet hole and a nail outlet hole cap rim in the pressure-bearing type expanded anti-floating anchor rod of the present invention;
the meanings of the marks in the above figures are as follows: 1-anchor rod body, 2-grouting pipe, 3-sealing component, 4-grouting bag, 5-positioning plate, 6-tree root-shaped connecting piece in bag, 7-sliding plate, 8-tree root-shaped supporting rod in bag, 9-compression spring, 91-spring base, 92-spring supporting sheet, 93-spring body, 10-pin hole, 11-flexible string, 12-compression spring limiting nail, 13-spring sleeve, 131-nail outlet hole, 132-nail outlet hole brim, 14-connecting ring and 15-rubber sealing washer.
Detailed Description
The present invention will be further described in the following detailed description with reference to the drawings, wherein the following detailed description is given by way of illustration only, and not by way of limitation, and all equivalent alterations to the present invention which fall within the spirit of the present invention will be suggested to those skilled in the art.
Examples
A pressure-bearing type expanded anti-floating anchor rod with a tree root-shaped connecting piece in a bag is disclosed, please refer to fig. 1, fig. 2, fig. 3 and fig. 5, and comprises an anchor rod body 1, a grouting bag 4, a sealing component 3, a grouting pipe 2, an anchor rod guide head 16 arranged at the end of the anchor rod body 1, and the grouting bag 4 which is fixed on the anchoring section of the anchor rod body 1 through the sealing component 3 and wraps the anchoring section, wherein the grouting pipe 2 passes through the sealing component 3 and is introduced into the grouting bag 4; in addition, the pressure-bearing type expanded anti-floating anchor rod also comprises a positioning disk 5 fixed on the anchoring section of the anchor rod body 1, a plurality of root-shaped connectors 6 in bags, one end of each root-shaped connector 6 is hinged on the positioning disk 5, the other end of each root-shaped connector 6 is connected with the inner wall of the grouting bag 4, a sliding disk 7 arranged below the positioning disk 5 and sleeved on the anchoring section of the anchor rod body 1 in a ring mode and capable of sliding up and down along the anchoring section, an in-bag root-shaped supporting rod 8, one end of each root-shaped supporting rod is hinged with the sliding disk 7, the other end of each root-shaped connector 6 in the bag is hinged with the middle of the root-shaped connector 6, a compression spring 9, a pin hole 10, one end of each pin hole 10 is inserted into the pin hole 10, the other end of each pin hole 10 protrudes; the compression spring 9 comprises a spring base 91, a spring supporting sheet 92 and a spring body 93 connected between the spring base 91 and the spring supporting sheet 92; the spring base 91 is fixed on the anchoring section of the anchor rod body 1, and the spring jacking sheet 92 and the spring body 93 are sleeved on the anchoring section of the anchor rod body 1 in a sleeving manner; the part of the anchoring section of the anchor rod body 1 between the positioning disc 5 and the spring base 91 is a cylindrical rod-shaped structure with a smooth surface; the spring supporting sheet 92 is inserted into the pin hole 10, and one end of the spring supporting sheet protrudes out of the pin hole 10 to be limited by the compression spring limiting nail 12, so that the spring body 93 of the compression spring 9 is in a compressed force storage state;
in the above structure, please refer to fig. 4, after the pressure-bearing type expanded anti-floating anchor rod of the present invention is completely lowered, cement slurry can be injected into the grouting bag 4 through the grouting pipe 2, the injected cement slurry can firstly fall into the bottom of the grouting bag 4, the cement slurry at the bottom of the grouting bag 4 can be filled first, at this time, the cement slurry can generate pressure on the side wall of the grouting bag 4, so that the side wall of the bottom of the grouting bag 4 is firstly expanded outwards, thereby the compression spring limit nail 12 is pulled out from the pin hole 10 through the tightened flexible string 11, at this time, the spring body 93 of the compression spring 9 in the compressed force accumulation state is released, the spring support sheet 92 of the spring body 93 supports the sliding disc 7 upwards, and the root-shaped support rod 8 in the bag and the root-shaped connecting member 6 in the bag are sequentially driven to extend, so that the grouting bag 4 is integrally expanded; then, the injected cement slurry can fill the grouting bag 4, and the grouting bag 4 is further fully expanded; when grouting is finished and the injected cement slurry is solidified, a positioning disc 5 fixed on an anchoring section of the anchor rod body 1 is connected with a grouting bag 4 through an in-bag tree root-shaped connecting piece 6, so that on one hand, the function of transferring load and applying pressure to a cement matrix in the bag is achieved, on the other hand, the function of an anchor rod positioner is achieved, and the anchor rod body can be positioned in the center of the bag; in addition, the root-shaped connecting piece 6 in the bag and the root-shaped supporting rod 8 in the bag form a root-shaped diverging structure in cement paste in the grouting bag 4, so that the contact area of cement paste in the bag, tensile steel bars and additional structures is remarkably increased, and the effect of improving the connecting strength of the anchor rod body and the expansion body section is achieved.
In order to prevent the injected cement slurry from entering the spring body 93 and the pin hole 10 to affect the release and upward propping of the spring, in this embodiment, referring to fig. 1, 2 and 3, the pressure-bearing type expanded anti-floating anchor further includes a spring sleeve 13 having a bottom end connected to the spring base 91 and a top end contacting the sliding plate 7 for shielding and sealing the compression spring 9; nail outlet holes 131 are formed in the two sides of the spring sleeve 13; one end of a compression spring limiting nail 12 is inserted into the pin hole 10, the other end of the compression spring limiting nail protrudes out of the pin hole 10, and the compression spring limiting nail penetrates through a nail outlet 131 of the spring sleeve 13 through a flexible thin rope to be connected with the grouting bag 4; through this structure can carry out the shade with compression spring 9 and seal, avoid grout to get into compression spring 9 and block up pinhole 10.
Further, in this embodiment, referring to fig. 3 and fig. 6, the nail outlet 131 is circular, and a nail outlet cap 132 capable of blocking cement slurry from entering the interior of the spring casing 13 from the nail outlet 131 is disposed above the nail outlet 131.
In order to obtain a larger bond force between the root-shaped connecting piece 6 in the bag and the cement matrix, further, in the embodiment, the root-shaped connecting piece 6 in the bag is a high-strength finish-rolled twisted steel bar.
In order to form larger bond force between the root-shaped connecting piece 6 in the bag and the cement matrix, but too much high-strength finish-rolled thread steel bars are adopted as the root-shaped connecting piece 6 in the bag to increase the expansion resistance of the grouting bag 4, and the flexible steel cable is made of a plurality of steel strand bundles, has high strength, light dead weight and certain flexibility, and further, in the embodiment, the root-shaped connecting piece 6 in the bag is used by matching the high-strength finish-rolled thread steel bars with the flexible steel cable, wherein the high-strength finish-rolled thread steel bars at least comprise four high-strength finish-rolled thread steel bars; one end of the tree root-shaped supporting rod 8 in the bag is hinged with the sliding disc 7, and the other end of the tree root-shaped supporting rod is hinged with the middle part of the high-strength finish-rolled twisted steel.
Furthermore, in the embodiment, referring to fig. 2 and fig. 3, the spring propping sheet 92 is a circular truncated cone structure, and a through hole through which the anchoring section of the anchor rod body 1 can pass is formed in the middle of the spring propping sheet 92, so that the contact surface between the part of the compression spring limiting nail 12 protruding from the pin hole 10 and the spring propping sheet 92 is small, the tight flexible string 11 can pull the compression spring limiting nail 12 out of the pin hole 10 more easily, and the inclined surface at the top of the spring propping sheet 92 with the circular truncated cone structure can generate an upward pushing force to the compression spring limiting nail 12, so that the compression spring limiting nail 12 can be pulled out of the nail outlet hole 131 easily.
In order to prevent the root-shaped connecting member 6 from easily tearing the grouting bag during the stretching process, or reduce the resistance between the root-shaped connecting member 6 and the grouting bag 4 during the stretching process, in the present embodiment, referring to fig. 2 and 5, one end of the root-shaped connecting member 6 is hinged to the positioning plate 5, and the other end is connected to the inner wall of the grouting bag 4 through a connecting ring 14.
In order to provide better shielding sealing effect for the spring sleeve 13, further, referring to fig. 3, a rubber sealing gasket 15 is disposed below the sliding disk 7; the bottom end of the spring sleeve 13 is connected with the spring base 91, and the top end of the spring sleeve is contacted with the rubber sealing washer 15 of the sliding disk 7 to shade and seal the compression spring 9.
In order to enable the stretched flexible string 11 to easily pull the compression spring limiting nail 12 out of the pin hole 10, further, the depth of the pin hole 10 is 0.2-0.4 times of the length of the compression spring limiting nail 12, so that the compression spring limiting nail 12 cannot be excessively inserted into the pin hole 10, friction between the compression spring limiting nail 12 and the pin hole 10 is small, and the compression spring limiting nail 12 can be pulled out of the pin hole 10 more easily.
Claims (9)
1. The utility model provides a pressure-bearing type expands anti-floating anchor rod of body with root form connecting piece in bag, includes the stock body of rod (1), slip casting bag (4), sealing component (3), slip casting pipe (2), set up at stock direction head (16) of stock body of rod (1) end, be fixed in on the stock body of rod (1) anchor section through sealing component (3) and with slip casting bag (4) of anchor section parcel, slip casting pipe (2) pass sealing component (3) and let in slip casting bag (4), its characterized in that:
the pressure-bearing type expansion anti-floating anchor rod further comprises a positioning disc (5) fixed on the anchoring section of the anchor rod body (1), a plurality of root-shaped connecting pieces (6) in the bag, one end of each root-shaped connecting piece is hinged on the positioning disc (5), the other end of each root-shaped connecting piece is connected with the inner wall of the grouting bag (4), a sliding disc (7) which is arranged below the positioning disc (5) and sleeved on the anchoring section of the anchor rod body (1) in a ring manner and can slide up and down along the anchoring section, an root-shaped supporting rod (8) in the bag, one end of each root-shaped supporting rod is hinged with the sliding disc (7), the other end of each root-shaped connecting piece in the bag is hinged with the middle of the root-shaped connecting piece (6), a compression spring (9) arranged, a compression spring limit nail (12) with one end inserted into the pin hole (10) and the other end protruding out of the pin hole (10) and connected with the grouting bag (4) through a tightened flexible string (11);
the compression spring (9) comprises a spring base (91), a spring supporting sheet (92) and a spring body (93) connected between the spring base (91) and the spring supporting sheet (92); the spring base (91) is fixed on the anchoring section of the anchor rod body (1), and the spring jacking piece (92) and the spring body (93) are sleeved on the anchoring section of the anchor rod body (1) in a sleeved mode; the part, between the positioning disc (5) and the spring base (91), in the anchoring section of the anchor rod body (1) is of a cylindrical rod-shaped structure with a smooth surface;
the spring supporting piece (92) is limited by a compression spring limiting nail (12) which is inserted into the pin hole (10) and one end of which protrudes out of the pin hole (10), so that a spring body (93) of the compression spring (9) is in a compressed force storage state.
2. The pressure-bearing type expanded anti-floating anchor rod with the tree root-shaped connecting piece in the bag is characterized by further comprising a spring sleeve (13) which is connected with the spring base (91) at the bottom end and is in contact with the sliding disc (7) at the top end so as to shade and seal the compression spring (9); nail outlet holes (131) are formed in the two sides of the spring sleeve (13); one end of the compression spring limiting nail (12) is inserted into the pin hole (10), and the other end of the compression spring limiting nail protrudes out of the pin hole (10) and penetrates through a nail outlet hole (131) of the spring sleeve (13) through a flexible string to be connected with the grouting bag (4).
3. The pressure-bearing type expansion anti-floating anchor rod with the tree root-shaped connecting piece in the capsule is characterized in that the nail outlet hole (131) is circular, and a nail outlet hole cap edge (132) capable of blocking cement slurry from entering the interior of the spring sleeve (13) from the nail outlet hole (131) is arranged above the nail outlet hole (131).
4. The pressure-bearing type expanded anti-floating anchor rod with the tree root connecting piece in the bag as claimed in claim 1, wherein the tree root connecting piece (6) in the bag is a high-strength finish-rolled thread steel bar.
5. The pressure-bearing type expanded anti-floating anchor rod with the tree-root-shaped connecting piece in the bag is characterized in that the tree-root-shaped connecting piece (6) in the bag is used by adopting high-strength finish-rolled thread steel bars and flexible steel cables in a matching way, wherein the high-strength finish-rolled thread steel bars at least comprise four high-strength finish-rolled thread steel bars; one end of the tree root-shaped supporting rod (8) in the bag is hinged with the sliding disc (7), and the other end of the tree root-shaped supporting rod is hinged with the middle part of the high-strength finish-rolled twisted steel.
6. The pressure-bearing type expansion anti-floating anchor rod with the tree root-shaped connecting piece in the bag as claimed in any one of claims 1 to 3, wherein the spring supporting sheet (92) is of a round table structure, and a through hole for allowing the anchoring section of the anchor rod body (1) to pass through is formed in the middle of the spring supporting sheet.
7. The pressure-bearing type expansion anti-floating anchor rod with the tree-root-shaped connecting piece in the bag is characterized in that one end of the tree-root-shaped connecting piece (6) in the bag is hinged on the positioning disc (5), and the other end of the tree-root-shaped connecting piece in the bag is connected with the inner wall of the grouting bag (4) through a connecting ring (14).
8. The pressure-bearing type expanded anti-floating anchor rod with the tree root-shaped connecting piece in the capsule is characterized in that a rubber sealing gasket (15) is arranged below the sliding disc (7); the bottom end of the spring sleeve (13) is connected with the spring base (91), and the top end of the spring sleeve is in contact with a rubber sealing gasket (15) of the sliding disc (7) so as to seal a compression spring (9) shade.
9. The pressure-bearing type expanded anti-floating anchor rod with the tree root-shaped connecting piece in the bag according to any one of claims 1 to 5, 7 and 8, characterized in that the depth of the pin hole (10) is 0.2 to 0.4 times of the length of the compression spring limiting nail (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811499981.3A CN109577325B (en) | 2018-12-09 | 2018-12-09 | Pressure-bearing type expanded anti-floating anchor rod with tree root-shaped connecting piece in bag |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811499981.3A CN109577325B (en) | 2018-12-09 | 2018-12-09 | Pressure-bearing type expanded anti-floating anchor rod with tree root-shaped connecting piece in bag |
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| CN109577325A CN109577325A (en) | 2019-04-05 |
| CN109577325B true CN109577325B (en) | 2020-11-20 |
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|---|---|---|---|---|
| CN110284915B (en) * | 2019-06-28 | 2020-07-31 | 江苏科技大学 | Tree root imitating type anchor rod and mounting method thereof |
| CN110593929A (en) * | 2019-10-28 | 2019-12-20 | 中冶沈勘秦皇岛工程设计研究总院有限公司 | Secondary multi-section anchoring anchor cable and use method thereof |
| CN114508131B (en) * | 2022-02-11 | 2024-04-05 | 中冶华南建设工程有限公司 | Anti-floating anchor rod structure at soft soil hard rock juncture and construction method thereof |
| CN115094883B (en) * | 2022-08-01 | 2023-12-22 | 厦门铖知新材科技有限公司 | Bag anchor cable |
| CN115467357B (en) * | 2022-10-26 | 2024-03-12 | 深圳市勘察测绘院(集团)有限公司 | Pile cap pile anchor structure suitable for relief topography |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105019453A (en) * | 2015-07-31 | 2015-11-04 | 新乡市嘉汇科技有限公司 | Anchor cable with framework expanding body |
| KR101641467B1 (en) * | 2015-09-17 | 2016-07-20 | 김효숙 | Ground anchor construction method for anchoring area extended improvement using extended excavation agitator |
| CN205475221U (en) * | 2016-01-07 | 2016-08-17 | 中铁上海工程局集团有限公司 | A sack expansion structure for assisting expand body anti -floating anchor rod |
| CN104594348B (en) * | 2015-01-27 | 2016-08-24 | 安徽同济建设集团有限责任公司 | Enlarged footing bellows anchor pole and construction method thereof |
| CN205653785U (en) * | 2016-05-20 | 2016-10-19 | 朱鹏程 | Umbellate form skeleton expands body anchor rope |
| CN107178100A (en) * | 2016-03-12 | 2017-09-19 | 温州设计集团有限公司 | A kind of soft soil foundation basement anti-floating system and its construction technology |
| CN207755331U (en) * | 2017-05-07 | 2018-08-24 | 黄道宁 | A kind of medical calculus plugging device |
| CN108775014A (en) * | 2018-06-27 | 2018-11-09 | 刘晓理 | From the churning anchor cable or jet grouting anchor rod construction method for taking umbrella expansion body structure |
-
2018
- 2018-12-09 CN CN201811499981.3A patent/CN109577325B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104594348B (en) * | 2015-01-27 | 2016-08-24 | 安徽同济建设集团有限责任公司 | Enlarged footing bellows anchor pole and construction method thereof |
| CN105019453A (en) * | 2015-07-31 | 2015-11-04 | 新乡市嘉汇科技有限公司 | Anchor cable with framework expanding body |
| KR101641467B1 (en) * | 2015-09-17 | 2016-07-20 | 김효숙 | Ground anchor construction method for anchoring area extended improvement using extended excavation agitator |
| CN205475221U (en) * | 2016-01-07 | 2016-08-17 | 中铁上海工程局集团有限公司 | A sack expansion structure for assisting expand body anti -floating anchor rod |
| CN107178100A (en) * | 2016-03-12 | 2017-09-19 | 温州设计集团有限公司 | A kind of soft soil foundation basement anti-floating system and its construction technology |
| CN205653785U (en) * | 2016-05-20 | 2016-10-19 | 朱鹏程 | Umbellate form skeleton expands body anchor rope |
| CN207755331U (en) * | 2017-05-07 | 2018-08-24 | 黄道宁 | A kind of medical calculus plugging device |
| CN108775014A (en) * | 2018-06-27 | 2018-11-09 | 刘晓理 | From the churning anchor cable or jet grouting anchor rod construction method for taking umbrella expansion body structure |
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