Prestress anti-floating anchor rod anchoring structure

Abstract

The prestress anti-floating anchor rod anchoring structure comprises an anchor rod assembly, a transition assembly and a conversion assembly, the anchor rod assembly comprises an anchor rod piece and an anchor rod filling piece, and the anchor rod filling piece is connected with the circumferential side of the anchor rod piece and wraps one end of the anchor rod piece; the transition assembly is arranged on the circumferential side of the anchor rod piece, and one end of the transition assembly is connected to the unwrapped end, close to the anchor rod piece, of the anchor rod filling piece in a sleeving mode. According to the prestressed anti-floating anchor rod anchoring structure, the transition assembly penetrating through the foundation rock soil, the separation layer and the concrete layer is arranged, and under the action that the diameter value of the transition assembly is larger than that of the anchor rod filling piece and the transition assembly is arranged at one end of the anchor rod filling piece in a sleeving mode, underground water permeates upwards along the outer side of the anchor rod filling piece; and the water can be blocked by the transition assembly, so that the situation that the service life of the concrete layer is influenced by water seepage and water leakage of the ground due to the fact that underground water permeates to the ground is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of anchor rod, and specifically relates to a prestressed anti floating anchor rod anchoring structure. BACKGROUND

[0002] The anchor rod is a kind of structural support device for underground engineering and geotechnical engineering, mainly used for reinforcing and stabilizing rock or soil, and the problem of basement anti floating can be solved by setting anchor rod, and the working principle of anchor rod is to anchor rod member to stable stratum, provide pulling force to support and stabilize unstable rock-soil body.

[0003] In the Chinese utility model patent CN21675089U, an anchor rod positioning device and anchor rod are disclosed, which sets a supporting member on the anchor rod, so that after the anchor rod is inserted into the hole, the anchor rod can be positioned by the supporting member, ensuring that each position of the anchor rod is always at the center of the cement mortar, so that the anchor rod can be completely covered by the cement mortar, ensuring good fixing effect, but the joint node of the anchor rod after setting with the bottom plate or foundation is troublesome to construct, has many interfaces, and grouting is difficult to ensure compactness, and leakage phenomenon is easy to occur, in the case of upward percolation of underground water, underground water is easy to percolate to the ground along the outside of the anchor rod, causing ground water seepage, leakage, and affecting the service life of the bottom plate. UTILITY MODEL CONTENT

[0004] In view of the problems in the prior art that anchor rod and bottom plate or foundation joint node construction is troublesome, grouting is difficult to ensure compactness, underground water is easy to percolate upward, and the service life of the bottom plate is affected, the utility model provides a prestressed anti floating anchor rod anchoring structure.

[0005] The utility model discloses a kind of prestressed anti floating anchor rod anchoring structures, including: anchor rod assembly, transition subassembly and conversion subassembly, anchor rod assembly includes anchor rod piece and anchor rod filling piece, the anchor rod filling piece is connected with the anchor rod piece circumferential side, and the anchor rod piece one end is wrapped;Transition subassembly is set to the circumferential side of the anchor rod piece, and one end of the transition subassembly is sleeved in the anchor rod filling piece close to the anchor rod piece not wrapped one end, and the diameter value of the transition subassembly is greater than the diameter value of the anchor rod filling piece, the transition filling piece penetrates foundation rock-soil, division layer and concrete layer;And conversion subassembly includes conversion pipe, grouting pipe and out of the slurry pipe, the conversion pipe is set to the transition subassembly away from the anchor rod filling piece one end, and conversion pipe one end extends into the transition subassembly, the grouting pipe is set to the conversion pipe away from the anchor rod filling piece one end, the grouting pipe one end extends into the conversion pipe, and the other end extends out of concrete layer, the out of the slurry pipe is set to the conversion pipe away from the anchor rod filling piece one end, the out of the slurry pipe one end extends into the conversion pipe, and the other end extends out of concrete layer.

[0006] Preferably, the anchor rod assembly further comprises a guide, a connecting plate and a first locking member, the guide is arranged at the end of the anchor rod member away from the transition assembly, the connecting plate is fixedly connected with the guide, and the anchor rod member penetrates through the connecting plate, and the first locking member is connected with the end of the anchor rod member extending out of the connecting plate.

[0007] Preferably, the anchor rod assembly further comprises a reinforcing member, and the reinforcing member is connected with the end of the anchor rod member away from the transition assembly.

[0008] Preferably, the anchor rod assembly further comprises a positioning member, and the positioning member is connected with the end of the anchor rod member away from the transition assembly.

[0009] Preferably, the transition assembly comprises a template member and a transition filling member, the template member is connected with the end of the anchor rod filling member close to the transition pipe, and the transition filling member wraps the template member.

[0010] Preferably, the template member is composed of steel bars.

[0011] Preferably, the transition assembly comprises a water stop ring and a water stop glue, the water stop ring is connected with the end of the anchor rod member away from the transition assembly, and the water stop ring is located in the concrete layer, and the water stop glue is connected with the end of the anchor rod member away from the transition assembly, and one surface of the water stop glue is in contact with the transition assembly.

[0012] Preferably, the transition assembly further comprises a backing plate, and the backing plate is connected with the end of the anchor rod member away from the anchor rod filling member.

[0013] Preferably, the transition assembly further comprises a second locking member, and the second locking member is connected with the end of the anchor rod member away from the backing plate, and the backing plate is in contact with the second locking member.

[0014] Preferably, the prestressed anti-floating anchor rod anchoring structure further comprises a sealing anchor assembly, the sealing anchor assembly is arranged at the end of the anchor rod member away from the anchor rod filling member, and one end of the sealing anchor assembly extends into the concrete layer.

[0015] Compared with the prior art, the prestressed anti-floating anchor rod anchoring structure has the following beneficial effects:

[0016] 1. The prestressed anti-floating anchor rod anchoring structure is provided with the transition assembly penetrating through the foundation rock-soil, the separation layer and the concrete layer, and the diameter value of the transition assembly is greater than the diameter value of the anchor rod filling member, and the transition assembly is arranged at one end of the anchor rod filling member, so that when underground water penetrates upwards along the outside of the anchor rod filling member, the underground water can be blocked by the transition assembly, thereby playing a water blocking role, so that the underground water is prevented from penetrating to the ground, the ground is prevented from being seeped and leaked, and the service life of the concrete layer is prevented from being affected.

[0017] 2、 the prestressed anti floating anchor rod anchoring structure, after being prestressed and tensioned, compression stress is generated between the concrete layer, the transition assembly and the anchor rod assembly due to the prestress, so that the three will not crack due to water buoyancy in the whole life cycle of building design, and the anti permeability is further improved.

[0018] 3、 the prestressed anti floating anchor rod anchoring structure, by adopting the structure of the transition assembly and the conversion pipe and setting the water stop ring and the water stop glue on the circumference side of the conversion pipe, the construction is convenient, the interface is less, the water seepage path can be effectively blocked, and the probability of water leakage is further reduced. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model;

[0020] Figure 2 It is a structural schematic diagram of the utility model Figure 1 It is an enlarged schematic diagram of structure A in the utility model;

[0021] Figure 3 It is a structural schematic diagram of the conversion assembly of the utility model;

[0022] Figure 4 It is a structural schematic diagram of the transition assembly of the utility model.

[0023] In the drawings, 100, foundation extension; 200, separation layer; 300, concrete layer;

[0024] 1, anchor rod assembly; 2, transition assembly; 3, conversion assembly; 4, anchor sealing assembly;

[0025] 11, anchor rod piece; 12, anchor rod filling piece; 13, guide piece; 14, connecting plate; 15, first locking piece; 16, reinforcing piece; 17, positioning piece;

[0026] 21, formwork piece; 22, transition filling piece;

[0027] 31, conversion pipe; 32, grouting pipe; 33, slurry outlet pipe; 34, water stop ring; 35, water stop glue; 36, pad plate; 37, second locking piece. DETAILED DESCRIPTION

[0028] The embodiments of the present disclosure will be described in detail below with reference to the drawings.

[0029] The following detailed description illustrates embodiments of the disclosure by way of example and not by way of limitation. The description makes reference to particular specific examples and configurations, but it will be understood that the description is illustrative only and is not intended to limit the disclosure to the particular embodiments described. Other embodiments can be apparent to those of ordinary skill in the art from the disclosure herein, which is presented by way of example only and should not be understood as limiting the scope of the disclosure. The description is intended to cover all alternatives, modifications and equivalents.

[0030] The construction surface is composed of the foundation rock-soil 100, the separation layer 200 and the concrete layer 300 from bottom to top, wherein the separation layer 200 is composed of the concrete cushion layer and the waterproof layer, and the concrete layer 300 is the basement floor or basement foundation formed by pouring concrete.

[0031] Referring to Figure 1 , Figure 1 The utility model discloses a prestressed anti -floating anchor rod anchoring structure includes: anchor rod subassembly 1, transition subassembly 2 and conversion subassembly 3, anchor rod subassembly 1 includes anchor rod piece 11 and anchor rod filling piece 12, anchor rod filling piece 12 is connected with the circumferential side of anchor rod piece 11, and the one end of anchor rod piece 11 is wrapped, transition subassembly 2 is set up in the circumferential side of anchor rod piece 11, and one end of transition subassembly 2 is sleeved in anchor rod filling piece 12 near the one end of anchor rod piece 11 not wrapped, and the diameter value of transition subassembly 2 is greater than the diameter value of anchor rod filling piece 12, and transition filling piece 22 penetrates foundation rock-soil 100, separation layer 200 and concrete layer 300, so that underground water is blocked by transition subassembly 2 when infiltrating upwards along the outside of anchor rod filling piece 12, and conversion subassembly 3 includes conversion pipe 31, grouting pipe 32 and slurry outlet pipe 33, conversion pipe 31 is set up in the one end of transition subassembly 2 away from anchor rod filling piece 12, and one end of conversion pipe 31 extends into transition subassembly 2, grouting pipe 32 is set up in the one end of conversion pipe 31 away from anchor rod filling piece 12, one end of grouting pipe 32 extends into conversion pipe 31, and the other end extends out of concrete layer 300, and slurry outlet pipe 33 is set up in the one end of conversion pipe 31 away from anchor rod filling piece 12, one end of slurry outlet pipe 33 extends into conversion pipe 31, and the other end extends out of concrete layer 300.

[0032] Can be injected into the conversion pipe 31 in grouting pipe 32 to the concrete, and the bearing capacity of conversion pipe 31 is enhanced, after the concrete in the conversion pipe 31 is filled, under the action of pressure, the excess concrete can be extruded from slurry outlet pipe 33 after the concrete in the conversion pipe 31 is compacted, and the concrete in the conversion pipe 31 is compacted.

[0033] Specifically, the anchor rod member 11 is a steel strand, a steel bar, a threaded steel bar or a fiber reinforced material

[0034] The prestressed anti-floating anchor rod anchoring structure, by setting the transition assembly 2 penetrating the foundation rock-soil 100, the separation layer 200 and the concrete layer 300, and under the action that the diameter value of the transition assembly 2 is greater than the diameter value of the anchor rod filling member 12 and the transition assembly 2 is sleeved on one end of the anchor rod filling member 12, when the underground water penetrates upwards along the outside of the anchor rod filling member 12, it can be blocked by the transition assembly 2, and the water is blocked, so that the underground water is prevented from penetrating to the ground, the ground is prevented from seeping and leaking, and the service life of the concrete layer 300 is prevented from being affected.

[0035] Referring to Figure 2 , Figure 2 The utility model discloses Figure 1 A structure amplification schematic diagram in the utility model. The anchor rod assembly 1 further includes a guide member 13, a connecting plate 14 and a first locking member 15, the guide member 13 is arranged at one end of the anchor rod member 11 away from the transition assembly 2, so that when the anchor rod member 11 is lowered into the drilled hole, the guide member 13 can be used for guiding, and under the action that the front end of the guide member 13 is conical, the sinking is facilitated, the mud in the hole is prevented from blocking, and the lowering of the anchor rod member 11 is prevented from being affected, the connecting plate 14 is fixedly connected with the guide member 13, and the anchor rod member 11 penetrates the connecting plate 14, the first locking member 15 is connected with one end of the anchor rod member 11 extending out of the connecting plate 14, and the anchor rod member 11 is fixedly connected with the guide member 13 through cooperation of the connecting plate 14 and the first locking member 15, so that the guide member 13 is prevented from falling off when the anchor rod member 11 is lowered, and one guide member 13 can be connected with multiple anchor rod members 11 to be quickly lowered, and the production difficulty is reduced.

[0036] Referring to Figure 2 Further, the anchor rod assembly 1 further includes a reinforcing member 16, the reinforcing member 16 is connected with one end of the anchor rod member 11 away from the transition assembly 2, and the reinforcing member 16 is located on one side of the guide member 13, so that the local pressure-bearing capacity of the anchor rod filling member 12 is improved by arranging the reinforcing member 16.

[0037] Further, the anchor rod assembly 1 further includes a positioning member 17, the positioning member 17 is connected with one end of the anchor rod member 11 away from the transition assembly 2, so that after the anchor rod member 11 is lowered, the anchor rod member 11 can be located in the middle of the hole, and the positioning accuracy of the anchor rod member 11 and the thickness of the anchor rod filling member 12 are guaranteed.

[0038] Specifically, the positioning member 17 is circular, and a diameter value of the positioning member 17 is smaller than a diameter value of the hole, so that when the anchor rod member 11 is placed in the hole and concrete is poured into the hole, the concrete can be filled from bottom to top, the positioning member 17 does not block the filling of the concrete, and the anchor rod member 11 can be pushed to the middle of the hole under the action of the inward pressure around the positioning member 17.

[0039] Referring to Figure 4 , Figure 4 It is a transition assembly structure schematic view of the utility model. The transition assembly 2 comprises a formwork member 21 and a transition filling member 22, the formwork member 21 is connected with the anchor rod filling member 12 at one end close to the conversion pipe 31, and the transition filling member 22 wraps the formwork member 21.

[0040] Specifically, the anchor rod filling member 12 and the transition filling member 22 are both formed by pouring concrete.

[0041] Preferably, the formwork member 21 is a reinforcing cage composed of reinforcing bars, and the transition filling member 22 is poured in cooperation with an external formwork, so as to ensure the pressure bearing capacity of the transition filling member 22.

[0042] Referring to Figure 3 , Figure 3 It is a conversion assembly structure schematic view of the utility model. The conversion assembly 3 comprises a water stop ring 34 and a water stop glue 35, the water stop ring 34 is connected with the anchor rod member 11 at one end away from the transition assembly 2, and the water stop ring 34 is located in the concrete layer, the water stop ring 34 blocks the underground water permeating from bottom to top, the water stop glue 35 is connected with the anchor rod member 11 at one end away from the transition assembly 2, and one side is in contact with the transition assembly 2, the water stop glue 35 is water-swelling water stop glue 35, which can further block the underground water.

[0043] Further, the conversion assembly 3 further comprises a backing plate 36, the backing plate 36 is connected with the anchor rod member 11 at one end away from the anchor rod filling member 12, by arranging the backing plate 36, the stress area of the anchor rod member 11 when subjected to pressure can be increased, so as to improve the compressive strength of the anchor rod.

[0044] Still further, the conversion assembly 3 further comprises a second locking member 37, the second locking member 37 is connected with the anchor rod member 11 at one end away from the backing plate 36, and the backing plate 36 is in contact with the second locking member 37, so as to limit the backing plate 36, avoiding the backing plate 36 from falling off.

[0045] Further, the prestressed anti-floating anchor rod anchoring structure further comprises an anchor sealing assembly 4, the anchor sealing assembly 4 is arranged at one end of the anchor rod member 11 away from the anchor rod filling member 12, and one end of the anchor sealing assembly 4 extends into the concrete layer, and the anchor sealing assembly 4 is formed by bending a plurality of reinforcing bars, which can protect the backing plate 36 and the second locking member 37.

[0046] The prestressed anti-floating anchor rod anchoring structure, after prestressed tensioning, the compression stress between the concrete layer 300, the transition assembly 2 and the anchor rod assembly 1 is generated due to the prestress, so that the three will not crack due to water buoyancy in the whole life cycle of building design, and the anti-permeability is further improved.

[0047] The prestressed anti-floating anchor rod anchoring structure, by adopting the structure of the transition assembly 2 and the conversion pipe 31 and arranging the water stop ring 34 and the water stop glue 35 on the circumference side of the conversion pipe 31, the construction is convenient, the interface is less, the water seepage path can be effectively blocked, and the probability of water leakage is further reduced.

[0048] When the soil layer at a certain depth below the concrete layer 300 is poor and the anchor rod hole is difficult to form, a pipe pile can pass through the soil layer, and the anchor rod piece 11 passes through the hollow of the pipe pile and enters the lower ground rock soil 100, so that the pipe pile can be used as a sleeve for construction of the anchor rod piece 11 and can replace the transition assembly 2 and simultaneously serve as a main compression component to bear the downward load of the concrete layer 300, so that the construction is convenient and the uplift bearing capacity and the compression bearing capacity of the anchor rod are improved.

[0049] In the construction of the anchor rod, first, positioning drilling is performed, then the lower half of the anchor rod piece 11 is lowered into the hole, then concrete is poured into the hole, and after the construction is completed and the anchor rod filling piece 12 wrapping the anchor rod piece 11 is formed, the transition assembly 2 is made on the upper end of the anchor rod filling piece 12 through a formwork and a steel reinforcement cage, and simultaneously the conversion pipe 31 is fixed in the transition assembly 2 and is reserved a certain spacing from the top of the anchor rod piece 11, the anchor rod piece 11 penetrates through the conversion pipe 31 to the concrete layer 300 and is reserved a certain length, then the separation layer 200 is laid, then the concrete layer 300 is poured, curing is performed to the curing period, then the anchor rod piece 11 is prestressed and tensioned, and the anchor rod piece 11 is locked by the pad 36 and the second locking piece 37, finally the conversion pipe 31 is filled to saturation through the grouting pipe 32, and the anchor rod piece 11 is poured into the sealing anchor assembly 4, the construction is completed.

[0050] In the description of the utility model, it is to be understood that the orientation or position relationship indicated by the terms "intermediate", "length", "upper", "lower", "front", "rear", "vertical", "horizontal", "inner", "outer", "radial", "circumferential" and the like is the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as a limitation on the utility model.

[0051] In the utility model, unless another definite provision and limitation, first feature can be first and second feature direct contact, or first and second feature indirectly contact through intermediate medium on second feature "on". The meaning of "multiple" is at least two, for example two, three and the like, unless another definite specific limitation.

[0052] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and the like terms should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electric connection or each other can communicate;Can be direct connection, also can indirectly connect through intermediate medium, can be two element internal communication or two element mutual action relationship, unless another definite limitation. For the ordinary skilled person in the art, can understand the specific meaning of the above terms in the utility model according to specific circumstances.

[0053] The above is only for illustrating the implementation mode of the utility model, and is not used for limiting the utility model, for the ordinary skilled person in the art, any modification, equivalent replacement, improvement and the like made without creative work within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A pre-stressed anti-floatation anchor rod anchoring structure, characterized in that, The application relates to an anchor rod assembly (1) which comprises an anchor rod piece (11) and an anchor rod filling piece (12), the anchor rod filling piece (12) is connected to the circumferential side of the anchor rod piece (11) and wraps one end of the anchor rod piece (11); a transition assembly (2) is arranged on the circumferential side of the anchor rod piece (11), one end of the transition assembly (2) is sleeved on the end of the anchor rod filling piece (12) close to the unwrapped end of the anchor rod piece (11), and the diameter value of the transition assembly (2) is greater than that of the anchor rod filling piece (12); a transition filling piece (22) penetrates the foundation rock, a separation layer and a concrete layer; and a conversion assembly (3) which comprises a conversion pipe (31), a grouting pipe (32) and a slurry outlet pipe (33), the conversion pipe (31) is arranged on the end of the transition assembly (2) away from the anchor rod filling piece (12), one end of the conversion pipe (31) extends into the transition assembly (2), the grouting pipe (32) is arranged on the end of the conversion pipe (31) away from the anchor rod filling piece (12), one end of the grouting pipe (32) extends into the conversion pipe (31) and the other end extends out of the concrete layer, and the slurry outlet pipe (33) is arranged on the end of the conversion pipe (31) away from the anchor rod filling piece (12), one end of the slurry outlet pipe (33) extends into the conversion pipe (31) and the other end extends out of the concrete layer. The anchor rod assembly (1) further comprises a guide piece (13), a connecting plate (14) and a first locking piece (15), the guide piece (13) is arranged on the end of the anchor rod piece (11) away from the transition assembly (2), the connecting plate (14) is fixedly connected with the guide piece (13), and the anchor rod piece (11) penetrates the connecting plate (14), and the first locking piece (15) is connected with the end of the anchor rod piece (11) extending out of the connecting plate (14). The anchor rod assembly (1) further comprises a reinforcing piece (16) connected with the end of the anchor rod piece (11) away from the transition assembly (2). The anchor rod assembly (1) further comprises a positioning piece (17) connected with the end of the anchor rod piece (11) away from the transition assembly (2). The transition assembly (2) comprises a template piece (21) and a transition filling piece (22), the template piece (21) is connected with the end of the anchor rod filling piece (12) close to the conversion pipe (31), and the transition filling piece (22) wraps the template piece (21).

2. The pre-stressed anti-floatation anchor rod anchoring structure according to claim 1, characterized in that: The template piece (21) is composed of a reinforcing bar.

3. The pre-stressed anti-floatation anchor rod anchoring structure according to claim 1, characterized in that: The conversion assembly (3) comprises a water stop ring (34) and a water stop glue (35), the water stop ring (34) is connected with the end of the anchor rod piece (11) away from the transition assembly (2) and is located in the concrete layer, and the water stop glue (35) is connected with the end of the anchor rod piece (11) away from the transition assembly (2) and one side of the water stop glue (35) is in contact with the transition assembly (2).

4. The pre-stressed anti-floatation anchor rod anchoring structure according to claim 1, characterized in that: ​ 5. The pre-stressed anti-floatation anchor rod anchoring structure according to claim 1, characterized in that: ​ 6. The pre-stressed anti-floatation anchor rod anchoring structure according to claim 5, characterized in that: ​ 7. The pre-stressed anti-floatation anchor rod anchoring structure according to claim 1, characterized in that: ​ 8. The pre-stressed anti-floatation anchor rod anchoring structure according to claim 1, characterized in that: The conversion assembly (3) further comprises a backing plate (36) connected to the end of the anchor rod member (11) away from the anchor rod filler (12).

9. The pre-stressed anti-floatation anchor rod anchoring structure according to claim 8, characterized in that: The conversion assembly (3) further comprises a second locking member (37) connected to the end of the anchor rod member (11) away from the backing plate (36), and the backing plate (36) is in contact with the second locking member (37).

10. The anchoring structure for a prestressed anti-floatation anchor rod according to any one of claims 1-9, characterized in that: Further comprising an anchor sealing assembly (4) covering the end of the anchor rod member (11) away from the anchor rod filler (12), and the end of the anchor sealing assembly (4) extends into the concrete layer.

Images