CN212896391U - Sash beam slope protection with prestressed composite anchor cable - Google Patents
Sash beam slope protection with prestressed composite anchor cable Download PDFInfo
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- CN212896391U CN212896391U CN202021017625.6U CN202021017625U CN212896391U CN 212896391 U CN212896391 U CN 212896391U CN 202021017625 U CN202021017625 U CN 202021017625U CN 212896391 U CN212896391 U CN 212896391U
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Abstract
The utility model relates to a sash roof beam bank protection with compound anchor rope of prestressing force belongs to side slope protection engineering technical field, includes: the lattice beam slope protection comprises a lower concrete platform, an upper concrete platform and a lattice beam framework, wherein the lattice beam framework is obliquely arranged on a side slope, the upper concrete platform is positioned at the top of the lattice beam framework, the lower concrete platform is positioned at the bottom of the lattice beam framework, and anchor cable holes are formed in nodes of the lattice beam framework; a prestressed composite anchor cable comprises an anchor cable body, an anchor and a concrete expanded anchor pile, wherein the concrete expanded anchor pile is embedded in rock soil of a side slope, one end of the anchor cable body is fixedly arranged in the concrete expanded anchor pile, and the other end of the anchor cable body penetrates into an anchor cable hole to be anchored with the anchor. This application is through setting up the compound anchor rope of prestressing force, and the concrete of the compound anchor rope of prestressing force enlarges the anchor stake and is showing the reliability that has increased the soil slope anchorage, through the anchor section cross-sectional dimension that increases the anchor rope body, can shorten anchor rope body length, improves anchor rope body anchoring force.
Description
Technical Field
The application relates to the technical field of side slope protection engineering, in particular to a sash beam slope protection with prestressed composite anchor cables.
Background
At present, a slope rate method is basically adopted for a side slope of a roadbed, and a framework or grass planting and other water prevention and drainage measures are added, and a prestressed anchor rod (cable) lattice beam framework is generally adopted for supporting and retaining protection when the slope releasing condition is limited. The road slope prestressed anchor rod (cable) lattice beam frame generally adopts a steel strand, the diameter of a drilled hole is 110mm-150mm, and the designed anchoring force of a single-hole anchor cable is 600KN-1200 KN.
The general prestressed anchor rod (cable) lattice beam frame adopts a tension type anchor rod (cable), the anchor rod (cable) enters the original slope rock-soil body to a certain depth, cement slurry wrapped by an anchoring section of the anchor rod (cable) and the peripheral rock-soil body form stable cohesive force, a free section of the anchor rod (cable) is anchored at a lattice beam node through pretension and concrete sealing, the free section and the lattice beam frame form a whole, the anchoring force of the anchor rod (cable) and the peripheral rock-soil body bears the soil pressure behind the lattice beam, and the displacement of the lattice beam is controlled through pretension and locking of the free section.
The anchoring force of the anchor rod (cable) is generally determined by the friction force between a grouting body of the anchoring section and the side wall of a soil body, and due to the uncertainty of the ultimate bonding strength parameter of the soil body and the anchor rod (cable), the anchor rod (cable) in the soil body is often difficult to achieve the design effect, so the anchoring section of the anchor cable is often arranged in a stable rock slope. And anchor cables are rarely used for supporting and retaining protection in the soil slope, the anti-sliding stability of an anchoring section in the soil slope is easy to change, and the simple prestressed anchor rod (cable) lattice beam frame cannot achieve the reinforcing effect.
Disclosure of Invention
The embodiment of the application provides a sash roof beam bank protection with compound anchor rope of prestressing force to use the anchor rope to prop up the fender protection in the soil property side slope in solving the correlation technique very few, the anti stability of sliding of anchoring section easily changes in the soil property side slope, and simple prestressing force anchor rod (cable) lattice beam frame can't reach the not enough of reinforcing effect.
The embodiment of the application provides a sash roof beam bank protection with compound anchor rope of prestressing force, includes:
the lattice beam slope protection comprises a lower concrete platform, an upper concrete platform and a lattice beam frame, wherein the lattice beam frame is obliquely arranged on a side slope, the upper concrete platform is positioned at the top of the lattice beam frame, the lower concrete platform is positioned at the bottom of the lattice beam frame, and anchor cable holes are formed in the nodes of the lattice beam frame;
the prestressed composite anchor cable comprises an anchor cable body, an anchorage device and a concrete expanded anchor pile, wherein the concrete expanded anchor pile is embedded in rock soil of a side slope, one end of the anchor cable body is fixedly arranged in the concrete expanded anchor pile, and the other end of the anchor cable body penetrates into an anchor cable hole to be anchored with the anchorage device.
In some embodiments: the lower concrete platform, the upper concrete platform and the lattice beam frame are of reinforced concrete integrally-poured structures, orifice steel pipes are arranged in the anchor cable holes, anchor seats for mounting anchors are arranged at the ends of the anchor cable holes, and concrete wrapping heads for wrapping the anchors are arranged on the anchor seats.
In some embodiments: the anchor cable body is a wire harness formed by a plurality of steel strands, the anchor cable body is sequentially divided into an exposed section, a free section and an anchoring section along the length direction, the steel strands of the exposed section are anchored with the anchor, the anchoring section is located in the concrete expansion anchoring pile and is integrated with the concrete expansion anchoring pile through mortar, and the free section is located between the exposed section and the anchoring section.
In some embodiments: the anchor section is provided with the expansion ring that a plurality of intervals set up in the interval, and a plurality of expansion ring endotheca are equipped with the slip casting pipe, the steel strand wires set up at the outer wall of slip casting pipe, offer a plurality of locating holes that are used for penetrating the steel strand wires on the expansion ring, the locating hole is circumference equipartition on the expansion ring and arranges, is equipped with the ligature steel wire of fastening steel strand wires between two adjacent expansion rings, the ligature steel wire is used for with many steel strand wires ligature on the slip casting pipe.
In some embodiments: the side wall of the grouting pipe is provided with a plurality of outward grouting holes along the length direction of the grouting pipe, and the grouting pipe is a metal pipe.
In some embodiments: the anchor section's one end is equipped with the metal uide bushing, the metal uide bushing is hollow toper structure, many steel strands are wrapped to the metal uide bushing, the metal uide bushing provides the motion direction for many steel strands.
In some embodiments: the steel strand wires of the free section are parallel to each other, the hard sleeve is sleeved on the steel strand wires of the free section, and the surfaces of the steel strand wires of the free section are coated with anticorrosive paint.
In some embodiments: the diameter of the concrete expanded anchoring pile is 300-800mm, an anchor rope hole penetrating into the anchor rope body is formed in the concrete expanded anchoring pile, and the diameter of the anchor rope hole is 80-150 mm.
In some embodiments: the anchor cable body is the stock, the free section of stock is equipped with the external screw thread, the fixed setting of anchor section of stock has the steel sheet that a plurality of intervals set up in the concrete enlarges anchor pile, the welding in the anchor section of stock.
In some embodiments: the free section of the anchor rod is in threaded connection with a loosening nut, and the anchor rod penetrates into the anchor cable hole to apply prestress to the anchor through the loosening nut.
The beneficial effect that technical scheme that this application provided brought includes:
the embodiment of the application provides a sash roof beam bank protection with compound anchor rope of prestressing force, because this sash roof beam bank protection has set up sash roof beam bank protection and compound anchor rope of prestressing force. Sash roof beam bank protection includes concrete platform down, goes up concrete platform and lattice beam frame, and lattice beam frame is the slope form and sets up on the side slope, goes up concrete platform and is located lattice beam frame's top, and lower concrete platform is located lattice beam frame's bottom, and lattice beam frame's node is equipped with the anchor rope hole. The prestressed composite anchor cable comprises an anchor cable body, an anchor and a concrete expanded anchor pile, wherein the concrete expanded anchor pile is embedded in rock soil of a side slope, one end of the anchor cable body is fixedly arranged in the concrete expanded anchor pile, and the other end of the anchor cable body penetrates into an anchor cable hole to be anchored with the anchor.
Therefore, the prestressed composite anchor cable is arranged, the concrete expansion anchor pile of the prestressed composite anchor cable obviously improves the reliability of anchoring of the soil slope, the length of the anchor cable body can be shortened by increasing the section size of the anchoring section of the anchor cable body, the anchoring force of the anchor cable body is improved, and the anchoring failure caused by the difference inside the soil body is avoided.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present application;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a cross-sectional view taken along A-A of FIG. 2;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 2;
fig. 5 is a sectional view taken along the direction C-C in fig. 2.
Reference numerals:
1-anchorage device, 2-concrete head, 3-orifice steel pipe, 4-anchor cable body, 5-binding steel wire, 6-expansion ring, 7-metal guide sleeve, 8-grouting pipe, 9-mortar, 10-free section, 11-anchoring section, 12-lattice beam frame, 13-lower concrete platform, 14-concrete expansion anchoring pile, 15-upper concrete platform and 16-hard sleeve.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The embodiment of the application provides a sash beam bank protection with compound anchor rope of prestressing force, and it can solve and use the anchor rope in the soil property side slope in the correlation technique seldom and prop up the fender protection, and the anti stability of sliding of anchoring section easily changes in the soil property side slope, and simple prestressed anchorage pole (cable) lattice beam frame can't reach the problem of reinforcing effect.
Referring to fig. 1 and 2, an embodiment of the present application provides a sash beam revetment with prestressed composite anchor cables, including:
sash roof beam bank protection, this sash roof beam bank protection include concrete platform 13 down, go up concrete platform 15 and lattice beam frame 12, and lattice beam frame 12 is the slope form and sets up on the side slope. The upper concrete platform 15 is located at the top of the lattice beam frame 12, the lower concrete platform 13 is located at the bottom of the lattice beam frame 12, the lower concrete platform 13 provides bottom support for the lattice beam frame 12, and the upper concrete platform 15 provides top protection for the lattice beam frame 12. The node of lattice beam frame 12 is equipped with the anchor rope hole, and lattice beam frame 12 comprises for horizontal and vertical reinforced concrete skeleton, and the node of lattice beam frame 12 is the junction of horizontal and vertical reinforced concrete skeleton.
The prestress composite anchor cable comprises an anchor cable body 4, an anchorage device 1 and a concrete expanded anchor pile 14, wherein the concrete expanded anchor pile 14 is buried in rock soil of a side slope. The concrete expanded anchor pile burying 14 adopts high-pressure jet grouting equipment to carry out high-pressure jet grouting in rock soil of the side slope, the grouting pressure is 20-40Mpa, and soil with the diameter of 400-800 mm is formed and mixed with concrete slurry for solidification. An anchor cable hole penetrating through the anchor cable body 4 is formed in the concrete expanded anchor pile 14, the diameter of the anchor cable hole is 80-150mm, one end of the anchor cable body 4 is fixedly arranged in the anchor cable hole of the concrete expanded anchor pile 14, and the other end of the anchor cable body 4 penetrates through the anchor cable hole to be anchored with the anchorage device 1, so that the length of the concrete expanded anchor pile 14 and the length of the anchor cable body 4 can be reduced, and the anchoring reliability in the concrete can be improved.
In some alternative embodiments: referring to fig. 1 and 2, the embodiment of the present application provides a sash beam protection slope with a prestressed composite anchor cable, and a lower concrete platform 13, an upper concrete platform 15 and a sash beam frame 12 of the sash beam protection slope are of a reinforced concrete integrally cast structure, so that the structural strength of the lower concrete platform 13, the upper concrete platform 15 and the sash beam frame 12 is improved.
Be equipped with drill way steel pipe 3 in the anchor rope hole, drill way steel pipe 3 provides the centre form for the shaping in anchor rope hole, is equipped with the anchorage device 1 of installation anchor device 1 at the tip in anchor rope hole, and the anchorage device provides the support for the installation of anchorage device 1. The anchor seat is provided with a concrete toe cap 2 for coating the anchor 1, and after the anchor 1 and the anchor cable body 4 are anchored, the concrete toe cap 2 coats the anchor 1 to protect the anchor 1.
In some alternative embodiments: referring to fig. 2 to 4, an embodiment of the present application provides a sash beam protection slope with a prestressed composite anchor cable, an anchor cable body 4 of the sash beam protection slope is a wire harness formed by a plurality of steel strands, the anchor cable body 4 is sequentially divided into an exposed section, a free section 10 and an anchoring section 11 along a length direction, and the steel strands of the exposed section are anchored to an anchorage device 1. The anchoring section is positioned in the concrete expanded anchoring pile 14 and is integrated with the concrete expanded anchoring pile 14 through mortar 9, and the free section 10 is positioned between the exposed section and the anchoring section 11.
Be provided with the expansion ring 6 that a plurality of intervals set up in the interval of anchor section 11, wear to overlap in a plurality of expansion rings 6 to be equipped with slip casting pipe 8, the steel strand wires sets up at slip casting pipe 8's outer wall, offers the slip casting hole of the outside slip casting of a plurality of along the length direction of slip casting pipe 8 on slip casting pipe 8's the lateral wall, and slip casting pipe 8 is the tubular metal resonator, and slip casting pipe 8 is used for expanding anchor pile 14 injection mortar 9 to the concrete.
A plurality of positioning holes for penetrating the steel strands are formed in the expansion ring 6, and the positioning holes are circumferentially and uniformly distributed on the expansion ring 6. And a binding steel wire 5 for fastening the steel strands is arranged between two adjacent expansion rings 6, and the binding steel wire 5 is used for binding a plurality of steel strands on the grouting pipe 8. Expansion ring 6 and ligature steel wire 5 are used for ligaturing many steel strands on slip casting pipe 8 according to setting for the order, avoid the mutual stranded conductor of many steel strands and winding, and expansion ring 6 can provide the location for many steel strands expand anchor pile 14 at the concrete simultaneously, guarantees that many steel strands and concrete expand anchor pile 14 coaxial.
In some alternative embodiments: referring to fig. 2, the embodiment of the present application provides a sash beam protection slope with a prestressed composite anchor cable, a metal guide sleeve 7 is disposed at one end of an anchor section of an anchor cable body 4 of the sash beam protection slope, and the metal guide sleeve 7 is of a hollow conical structure. The metal guide sleeve 7 wraps the plurality of steel strands, and the metal guide sleeve 7 provides motion guide for the plurality of steel strands to stretch into the concrete expansion anchoring pile 14, so that the installation and construction efficiency is improved.
In some alternative embodiments: referring to fig. 2 and 5, an embodiment of the present application provides a sash beam protection slope with a prestressed composite anchor cable, wherein a plurality of steel strands of a free section 10 of the sash beam protection slope are parallel to each other, a hard sleeve 16 is sleeved on the plurality of steel strands of the free section 10, and an anticorrosive paint is coated on the surfaces of the plurality of steel strands of the free section 10. The hard sleeve 16 is sleeved on the plurality of steel strands of the free section 10, the hard sleeve 16 can be separated from the mortar 9, when the anchor cable body 4 is anchored with the anchor device 1, the prestress of the anchor cable body 4 is directly transmitted to the concrete expanded anchor pile 14, and the concrete expanded anchor pile 14 provides tension for the anchor cable body 4.
In some alternative embodiments: the embodiment of the application provides a sash roof beam bank protection with compound anchor rope of prestressing force, and the anchor rope body 4 of this sash roof beam bank protection is the stock, is equipped with the external screw thread in the free section of stock, and the fixed setting of anchor section of stock has the steel sheet that a plurality of intervals set up in concrete expansion anchor pile 14, the welding in the anchor section of stock. The free section of the anchor rod penetrates into the anchor cable hole and exerts prestress on the anchor 1 through the locknut.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a sash roof beam bank protection with compound anchor rope of prestressing force which characterized in that includes:
the lattice beam slope protection comprises a lower concrete platform (13), an upper concrete platform (15) and a lattice beam framework (12), wherein the lattice beam framework (12) is obliquely arranged on a side slope, the upper concrete platform (15) is positioned at the top of the lattice beam framework (12), the lower concrete platform (13) is positioned at the bottom of the lattice beam framework (12), and anchor cable holes are formed in the nodes of the lattice beam framework (12);
the prestressed composite anchor cable comprises an anchor cable body (4), an anchorage device (1) and a concrete expanded anchor pile (14), wherein the concrete expanded anchor pile (14) is embedded in rock soil of a side slope, one end of the anchor cable body (4) is fixedly arranged in the concrete expanded anchor pile (14), and the other end of the anchor cable body (4) penetrates into an anchor cable hole to be anchored with the anchorage device (1).
2. The sash beam revetment with prestressed composite anchor cables of claim 1, wherein:
the lower concrete platform (13), the upper concrete platform (15) and the lattice beam frame (12) are of a reinforced concrete integrated pouring forming structure, an orifice steel pipe (3) is arranged in the anchor cable hole, an anchor seat for installing an anchor (1) is arranged at the end part of the anchor cable hole, and a concrete toe cap (2) for coating the anchor (1) is arranged on the anchor seat.
3. The sash beam revetment with prestressed composite anchor cables of claim 1, wherein:
the anchor cable body (4) is the pencil that many steel strands are constituteed, the anchor cable body (4) divide into along length direction in proper order and expose section, free section (10) and anchor section (11), the steel strand wires and the anchorage device (1) of exposing the section are anchored, anchor section (11) are located concrete and enlarge anchor pile (14) and form an organic whole through mortar (9) and concrete and enlarge anchor pile (14), free section (10) are located and expose between section and anchor section (11).
4. A sash beam revetment with prestressed composite anchor cables according to claim 3, wherein:
be provided with expansion ring (6) that a plurality of intervals set up in the interval of anchor section (11), wear to overlap in a plurality of expansion ring (6) and be equipped with slip casting pipe (8), the steel strand wires sets up at the outer wall of slip casting pipe (8), offer a plurality of locating holes that are used for penetrating the steel strand wires on expansion ring (6), the locating hole is the circumference equipartition on expansion ring (6) and arranges, is equipped with ligature steel wire (5) of fastening steel strand wires between two adjacent expansion ring (6), ligature steel wire (5) are used for ligature many steel strand wires on slip casting pipe (8).
5. The sash beam revetment with prestressed composite anchor cables of claim 4, wherein:
the side wall of the grouting pipe (8) is provided with a plurality of outward grouting holes along the length direction of the grouting pipe (8), and the grouting pipe (8) is a metal pipe.
6. A sash beam revetment with prestressed composite anchor cables according to claim 3, wherein:
the one end of anchor section (11) is equipped with metal uide bushing (7), metal uide bushing (7) are hollow toper structure, many steel strands of metal uide bushing (7) cladding, metal uide bushing (7) provide the motion direction for many steel strands.
7. A sash beam revetment with prestressed composite anchor cables according to claim 3, wherein:
many steel strands of free section (10) are parallel to each other, many steel strands of free section (10) are gone up the cover and are equipped with stereoplasm sleeve pipe (16), many steel strand surface coating anticorrosive paint of free section (10).
8. The sash beam revetment with prestressed composite anchor cables of claim 1, wherein:
the diameter of the concrete expanded anchoring pile (14) is 300-800mm, an anchor rope hole penetrating into the anchor rope body (4) is formed in the concrete expanded anchoring pile (14), and the diameter of the anchor rope hole is 80-150 mm.
9. The sash beam revetment with prestressed composite anchor cables of claim 1, wherein:
the anchor rope body (4) is the stock, the free section of stock is equipped with the external screw thread, the anchor section of stock is fixed to be set up in concrete enlarges anchor pile (14), has the steel sheet that a plurality of intervals set up in the anchor section welding of stock.
10. The sash beam revetment with prestressed composite anchor cables of claim 9, wherein:
the free section of the anchor rod is in threaded connection with a locknut, and the anchor rod penetrates into the anchor cable hole to apply prestress to the anchor (1) through the locknut.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021017625.6U CN212896391U (en) | 2020-06-05 | 2020-06-05 | Sash beam slope protection with prestressed composite anchor cable |
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| CN202021017625.6U CN212896391U (en) | 2020-06-05 | 2020-06-05 | Sash beam slope protection with prestressed composite anchor cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113585295A (en) * | 2021-08-03 | 2021-11-02 | 中国电建集团华东勘测设计研究院有限公司 | Construction method of high-soil slope frame lattice beam combined planting groove |
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2020
- 2020-06-05 CN CN202021017625.6U patent/CN212896391U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113585295A (en) * | 2021-08-03 | 2021-11-02 | 中国电建集团华东勘测设计研究院有限公司 | Construction method of high-soil slope frame lattice beam combined planting groove |
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