CN115012430B - Prestressed anchor cable frame type protective structure and construction method thereof - Google Patents
Prestressed anchor cable frame type protective structure and construction method thereof Download PDFInfo
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- CN115012430B CN115012430B CN202111615842.4A CN202111615842A CN115012430B CN 115012430 B CN115012430 B CN 115012430B CN 202111615842 A CN202111615842 A CN 202111615842A CN 115012430 B CN115012430 B CN 115012430B
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- 238000010276 construction Methods 0.000 title claims abstract description 60
- 230000001681 protective effect Effects 0.000 title claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 77
- 239000010959 steel Substances 0.000 claims abstract description 77
- 238000007789 sealing Methods 0.000 claims abstract description 35
- 244000025254 Cannabis sativa Species 0.000 claims abstract description 29
- 230000002787 reinforcement Effects 0.000 claims abstract description 29
- 238000010899 nucleation Methods 0.000 claims abstract description 8
- 238000005553 drilling Methods 0.000 claims description 27
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 22
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 22
- 239000004571 lime Substances 0.000 claims description 22
- 239000004570 mortar (masonry) Substances 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 16
- 238000007790 scraping Methods 0.000 claims description 16
- 238000007493 shaping process Methods 0.000 claims description 15
- 238000005507 spraying Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 239000004745 nonwoven fabric Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000004873 anchoring Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 235000015097 nutrients Nutrition 0.000 claims description 6
- 238000009412 basement excavation Methods 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 5
- 238000003892 spreading Methods 0.000 claims description 5
- 239000000428 dust Substances 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 claims description 4
- 239000004568 cement Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 238000009966 trimming Methods 0.000 claims description 3
- 201000010099 disease Diseases 0.000 abstract 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract 1
- 239000002689 soil Substances 0.000 description 9
- 238000013461 design Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000010009 beating Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000009419 refurbishment Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G20/00—Cultivation of turf, lawn or the like; Apparatus or methods therefor
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/10—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains
-
- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/23—Dune restoration or creation; Cliff stabilisation
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Paleontology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Piles And Underground Anchors (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The invention relates to a prestress anchor cable frame type protective structure and a construction method thereof, wherein the scheme comprises a node area frame grid beam, a frame grid beam transverse reinforcement cage, a frame Liang Zongliang, a frame grid beam longitudinal reinforcement cage, a spray-seeding grass planting area, a frame grid beam cross beam, grass planting and a three-dimensional vegetation hanging net; the node area lattice beam is reinforced by an anchor cable sealing block and a prestressed anchor cable anchor rod; the center of the spray-seeding grass planting area is provided with an integral anchor bar, and the top of the integral anchor bar is provided with a cross-shaped fixing bar; the three-dimensional vegetation hanging net is bound to the end bending-up ends of the integral anchor bars and the prestressed anchor cable anchor rods; the base groove positions of the sash Liang Zongliang and the sash beam cross beam are positioned by adopting a slope light steel rapid grooving device; the lower part of the frame beam cross beam of the lowest stage of the frame beam of the node area is provided with a tilting drainage inclined hole. The slope protection structure adopts the rapid grooving device for construction, shortens the construction period, and has the advantages of preventing the quality common disease of the slope and improving the stability of the slope.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a prestressed anchor cable frame type protective structure and a construction method thereof.
Background
The prestress anchor cable frame support is a slope in-situ reinforcement structure, can not only improve the integrity of a slope rock-soil body, improve structural stress conditions and the strength of the rock-soil body and reduce the deformation of the slope rock-soil body, so that the rock-soil body reaches the required stable safety degree, but also is relatively mature at present, and is widely applied to complex rock-soil body slope treatment.
Since the latter half of the 20 th century, the phenomena of large excavation and large backfill become increasingly obvious and prominent with the rapid development of social economy and the increasing capital investment of infrastructure, and the maintenance and reinforcement of primary highways, secondary highways, expressways and mountain highways, and how to take effective measures to ensure the stability of the side slope gradually attracts attention. The existing roadbed slope reinforcement and protection mode still maintains and reinforces the damaged road section through the slope engineering technology or experience when constructing third-level and fourth-level roads, so that most of established projects lack integral thinking when managing the slopes, and potential safety hazards are left for the operation of subsequent projects. The deformation damage and landslide phenomenon caused by slope engineering can cause serious consequences, so that the problems of landslide control and the like are related, and many students have carried out experiments and researches on the problems, but the damage mechanism and the damage mode of the landslide engineering are greatly different due to the characteristics of the landslide engineering and the difference of external environments of the landslide engineering. In addition, the deep drainage of the roadbed is crucial to the stability of the whole side slope, the upward-inclined drainage hole is an effective method for draining deep underground water in the side slope by adopting a small-diameter drainage pipe, and the method can quickly drain the underground water and prevent the side slope from being unstable, so that the method is widely applied to the mountain roads at home and abroad, but the construction requirement is relatively high.
In view of the above, the invention carries out deepening design on the prestress anchor cable frame type protective structure and the construction method, has simple slope protection design and construction, can prevent common quality of slopes and improve slope stability.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a prestressed anchor cable frame type protection structure and a construction method thereof.
In order to achieve the above object, the present invention adopts the following technical scheme: the prestress anchor cable frame type protection structure comprises a node area frame grid beam, a frame beam transverse reinforcement cage, a frame Liang Zongliang, a frame beam longitudinal reinforcement cage, a spray-seeding grass planting area, a frame beam cross beam, grass planting and a three-dimensional vegetation hanging net;
the node area lattice beam is reinforced by an anchor rope sealing block and a prestress anchor rope anchor rod, the anchor rope sealing block is used for rapidly sealing anchors by a rapid anchor sealing mould, and the rapid anchor sealing mould consists of a lifting pull rod and a lifting lug plate;
the center of the spray-seeding grass planting area is provided with an integral anchor bar, and the top of the integral anchor bar is provided with a cross-shaped fixing bar; the cross-shaped fixing ribs are connected with the longitudinal steel bar framework of the frame beam and the transverse steel bar framework of the frame beam;
the three-dimensional vegetation hanging net is bound to the end bending-up ends of the integral anchor bars and the prestressed anchor cable anchor rods;
the base groove positions of the sash Liang Zongliang and the sash beam cross beam are positioned by adopting a slope light steel rapid grooving device, the slope light steel rapid grooving device is placed on a light steel sliding rail at the top and the bottom of the slope, and a sliding rail top stand column and a sliding rail bottom stand column are arranged below the light steel sliding rail;
the lower part of the lowest stage of the frame beam cross beam is provided with an inclined drainage inclined hole, the inclined drainage inclined hole is synchronously constructed by drilling holes with anchor cables through a steel sleeve, an orifice bracket is used for supporting the steel sleeve when the steel sleeve is sunk and pulled out, and the inclined drainage inclined hole is provided with an over-drilling section.
Further, the rapid grooving device for the side slope light steel comprises a sliding light steel positioning device, a bottom longitudinal sliding rail arranged on the sliding light steel positioning device, a longitudinal scribing lime basket, a wing plate lime basket and a positioning device wing plate, wherein the positioning device wing plates are uniformly and symmetrically arranged on the side surfaces of the sliding light steel positioning device, each positioning device wing plate side surface is welded with the wing plate lime basket, and the longitudinal scribing lime basket is arranged on the bottom longitudinal sliding rail.
Further, the upward inclined drainage inclined hole is inserted into the drainage PVC pipe, the end part of the drainage PVC pipe is encapsulated by non-woven fabrics, and the orifice bracket is reinforced by the orifice bracket cross brace.
Further, the orifice of the upward inclined drainage inclined hole is provided with an orifice reaming PVC pipe, and the orifice reaming PVC pipe is plugged by a water-swelling rubber strip and is firmly grouting by plugging mortar.
Further, the plugging mortar is pressed by a pull rod type grouting ring plate with an end plate, and the pull rod type grouting ring plate with the end plate is provided with a grouting ring plate and a pull rod arranged on the grouting ring plate.
Further, the sash Liang Zongliang and the sash beam cross beam are poured through a sash Liang Dingxing forming template and a top temporary sealing device, the sash Liang Dingxing forming template comprises an outer side template, a residual material pushing device and forming sliding rails arranged on the outer side of the outer side template, a scraping plate moving support and a residual material pushing device moving support are arranged on the forming sliding rails on the two sides of the outer side template, and in addition, the top of the outer side template is clamped with the top temporary sealing device, and the top temporary sealing device comprises a straight line section top template and a node area top template.
Further, the scraper plate moving support comprises a sliding scraper plate, a scraper plate support sliding sleeve, a scraper plate support beam, a scraper plate support column and a scraper plate vertical connecting rod, wherein the lower part of the scraper plate support beam is provided with the sliding scraper plate which is composed of a residual material pushing device, a pushing device support sliding sleeve, a pushing device support beam, a pushing device support column and a pushing device vertical connecting rod, and the lower part of the pushing device support beam is provided with the residual material pushing device.
The construction method of the prestressed anchor cable frame type protective structure comprises the following steps:
s000, preparation of construction: checking construction drawings, determining the sizes of all parts and materials, determining the types of required steel bars, anchor bars and anchor ropes of the prestressed anchor rope, determining the types of drilling equipment, determining the required cement marks, performing a material and mixing ratio test of plugging mortar, and determining the types and nutrient solutions of planting grass;
s100, trimming sundries on the side slope: the sundries on the slope surface are refurbished;
s200, installing a slope rapid grooving device: performing mortar rubble top protection and mortar rubble foot protection construction, splicing a light steel sliding rail with a sliding rail top stand column and a sliding rail bottom stand column respectively to form a whole, respectively installing the sliding rail top stand column and the sliding rail bottom stand column at designated positions of a slope top and a slope bottom, placing a spliced side slope light steel rapid grooving device on the light steel sliding rail, and installing a longitudinal scribing lime basket on the bottom longitudinal sliding rail;
s300, positioning the foundation groove position of the lofting anchor cable frame beam: carrying out ash spreading and scribing on the designated frame girder foundation trench position, carrying out positioning and lofting by a slope light steel rapid grooving device on a sliding light steel sliding rail, determining the foundation trench position of a frame girder cross beam through a wing plate lime spreading basket, determining the foundation trench position of a frame girder longitudinal beam through a longitudinal lime scribing basket, and selecting the intersection of the frame girder cross beam and a frame Liang Zongliang as the foundation trench position of a node area frame girder;
s400, measuring and positioning a pre-stressed anchor cable anchor rod hole: taking the central position of the intersection of the frame beam cross beam and the frame Liang Zongliang as the anchor hole position of the prestressed anchor cable anchor rod;
s500, erecting a drilling scaffold platform: setting up a drilling scaffold platform at a proper position on the slope surface according to the anchor hole position of the prestressed anchor cable anchor rod;
s510, drilling and cleaning: drilling construction is carried out at the anchor hole position of the prestressed anchor cable anchor rod, dust is removed from the hole wall and the hole bottom, and the hole diameter and the hole depth are verified;
s600, manufacturing, installing and grouting a pre-stress anchor cable anchor rod: manufacturing a pre-stressed anchor rope anchor rod, enabling the pre-stressed anchor rope anchor rod to smoothly penetrate into an anchor hole, and performing anchoring grouting construction on the pre-stressed anchor rope anchor rod after the exposed part of the pre-stressed anchor rope anchor rod meets the working length;
s700, excavating anchor cable frame beam foundation grooves: performing foundation trench excavation operation according to the foundation trench positions of the frame beam cross beams, the frame Liang Zongliang and the node area frame beams determined in the step S300;
s800, installing an anchor cable frame beam reinforcement cage: respectively placing a longitudinal frame reinforcement cage and a transverse frame reinforcement cage of the frame beams in the foundation grooves of the frame Liang Zongliang and the frame beam beams, and binding and fastening the anchor cable frame beam reinforcement cages of the frame beams of the node area;
s900, installing a cross-shaped fixing rib and an integral anchor rib: an integral anchor bar is arranged at the center of a grass planting and spraying planting area surrounded by the sash Liang Zongliang and the sash beam cross beam, and a cross-shaped fixing bar is welded at the top of the integral anchor bar, so that the cross-shaped fixing bar penetrates into the bottom of the frame beam reinforcement cage and is welded and fixed;
s1000, installing an anchor cable frame beam template: assembling and installing frame girder finalization templates at two sides of a basic groove of a frame Liang Zongliang and a frame girder cross beam respectively, installing a straight line section top template and a node area top template at the top of the frame Liang Dingxing finalization template, and fixing by using screws and nuts;
s1100, pouring construction of an anchor cable frame beam skeleton: performing concrete pouring construction on the sash Liang Zongliang and the sash beam cross beam, removing the top templates of the straight line sections and the top templates of the node areas after pouring is completed, installing a sliding scraping plate and a residual material pushing device on a shaping sliding rail at the outer side of the sash Liang Dingxing shaping template, and then performing concrete trowelling;
s1200, tensioning, locking and anchoring: tensioning the prestressed anchor cable anchor rod, and rapidly pouring an anchor cable sealing block by adopting a rapid sealing die after tensioning is completed;
s1300, hole forming construction of inclined drain holes: the lower part of the beam of the lowest level of the frame beams is provided with a tilting drainage hole, synchronous follow-up construction is carried out through drilling of steel sleeves and anchor cables, and the steel sleeves are supported by orifice brackets in the sinking and pulling-out processes;
s1400, installing a drain pipe: the end part of the drainage PVC pipe is encapsulated by non-woven fabrics, then the drainage PVC pipe is inserted into the upward inclined drainage hole, and an over-drilling section is reserved;
s1500, grouting and blocking of an orifice firmly: installing an orifice reaming PVC pipe at the orifice of the upward inclined drain hole, filling a water-swelling rubber strip for plugging between the orifice reaming PVC pipe and the drain PVC pipe, and grouting firmly through a pull rod type grouting annular plate with an end plate;
s1600, hanging a protective net: hanging a three-dimensional vegetation hanging net on the bent end of the integral anchor bar and the end head of the prestressed anchor cable anchor rod, and binding and fixing;
s1700, grass seed spraying protection: and broadcasting grass planting in the grass planting area, broadcasting nutrient solution, and then sprinkling water for maintenance.
Working principle and beneficial effect: 1. the prestressed anchor cable frame beam structure reinforced landslide body is used as an active reinforcing method, can mobilize the self-stabilizing capacity of the slope body, changes the stress condition of the slope body, is safe, stable, attractive and light, has obvious comprehensive manufacturing cost and social and economic benefits, is obviously superior to the traditional supporting structure, and has wide application prospect in slope treatment.
2. The rapid grooving device for the side slope light steel has ingenious structural design, can rapidly realize positioning and lofting of the foundation groove of the prestress anchor cable frame beam, has high construction speed, shortens the construction period, saves labor cost, reduces labor investment, and reduces construction cost compared with the traditional manual paying-off mode.
3. The integral anchor bar adopted by the invention not only can be used for hanging net protection, but also can be used for assisting in positioning and fixing the steel bar of the frame beam by matching with the cross-shaped fixing bar, thereby effectively ensuring the construction quality of the frame beam and improving the economic benefit.
4. The invention relates to a construction method of a tilting drainage hole, which adopts a small-diameter drainage pipe to drain cover layer pore water and bedrock crack water in a slope body, can quickly drain underground water, improve the shear strength of a rock (soil) body, prevent the instability of the slope, reduce the excavation of the rock (soil) body, accelerate the engineering progress and reduce the cost.
Drawings
FIG. 1 is a construction view of a prestressed anchor cable frame-type protective structure;
FIG. 2 is an assembly construction drawing of a slope light steel rapid grooving device;
FIG. 3 is a construction diagram of a rapid grooving device for the light steel of the side slope;
FIG. 4 is a construction plan of a sash Liang Dingxing form assembly;
FIG. 5 is an assembled plan view of the sliding screed and the cull pushing device;
FIG. 6 is a left side view of the assembly of the sliding screed and the remainder pushing device;
FIG. 7 is an assembled cross-sectional view of a sliding screed plate;
FIG. 8 is a sectional view of the remainder pushing device;
FIG. 9 is a plan view of a straight section top form assembly;
FIG. 10 is a plan view of a node area top template assembly;
FIG. 11 is a top form assembly cross-sectional view;
FIG. 12 is a schematic top form construction;
fig. 13 is a construction drawing of the anchor cable seal anchor block seal anchor;
FIG. 14 is a block diagram of a quick anchor block mold;
FIG. 15 is a construction view of an orifice bracket cross brace construction installation;
FIG. 16 is a construction view of a pull rod type grouting ring plate with end plates;
fig. 17 is a construction drawing of orifice plugging.
In the figure, 1, the slope roof; 2. a mortar rubble protects the roof; 3. node area frame beams; 4. quick grooving device for side slope light steel; 5. a light steel sliding rail; 6. a sliding rail top column; 7. sliding light steel positioning device; 8. a bottom longitudinal sliding rail; 9. longitudinally scribing lime; 10. a cross-shaped fixing rib; 11. the frame beams are provided with transverse steel bar frameworks; 12. sash Liang Zongliang; 13. an anchor cable sealing anchor block; 14. longitudinal steel bar framework of frame girder; 15. Integral anchor bars; 16. a slope bottom; 17. an expansion joint; 18. spraying and seeding a grass planting area; 19. a sash beam cross beam; 20. mortar rubble foot protection; 21. planting grass; 22. three-dimensional vegetation hanging net; 23. a prestressed anchor cable anchor rod; 24. slope surface; 25. spreading lime on the wing plate; 26. a positioning device wing plate; 27. a lattice Liang Dingxing template; 28. an outer template; 29. sliding the scraping plate; 30. a residue pushing device; 31. shaping the sliding rail; 32. a scraper support sliding sleeve; 33. pushing down the device support sliding sleeve; 34. pushing down the device bracket beam; 35. a scraper support beam; 36. pushing down the device support upright post; 37. a scraping plate bracket upright post; 38. a screed vertical link; 39. pushing down a vertical connecting rod of the device; 40. the residual material pushing device moves the bracket; 41. a screed plate moving bracket; 42. clamping the ear plate; 43. a straight line section top template hinge; 44. a straight line segment top template; 45. a node area top template hinge; 46. a node area top template; 47. sealing the anchor preformed hole; 48. a screw hole; 49. clamping hooks; 50. a screw; 51. a screw cap; 52. quick anchor sealing mould; 53. Lifting the pull rod; 54. lifting the lug plate; 55. a steel sleeve; 56. an orifice bracket; 57. an orifice bracket cross brace; 58. beating soil nails; 59. reaming the hole opening of the PVC pipe; 60. a drain PVC pipe; 61. upward inclined drainage inclined hole; 62. a nonwoven fabric; 63. a overdrive section; 64. plugging mortar; 65. pull rod type grouting annular plate with end plate; 66. grouting annular plate; 67. a pull rod of the grouting annular plate; 68. a water-swellable rubber strip; 69. and a column at the bottom of the sliding track.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the invention, fall within the scope of protection of the invention.
It will be appreciated by those skilled in the art that in the present disclosure, the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. refer to an orientation or positional relationship based on that shown in the drawings, which is merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore the above terms should not be construed as limiting the invention.
As shown in fig. 1 and 3, the prestress anchor cable frame type protective structure comprises a node area frame beam 3, a frame beam transverse reinforcement cage 11, a frame Liang Zongliang, a frame beam longitudinal reinforcement cage 14, a spray-seeding grass planting area 18, a frame beam cross beam 19, grass planting 21 and a three-dimensional vegetation hanging net 22;
the node area frame grid beam 3 is reinforced by an anchor rope sealing block 13 and a prestress anchor rope anchor rod 23, the anchor rope sealing block 13 is used for rapidly sealing anchors by a rapid anchor sealing die 52, and the rapid anchor sealing die 52 consists of a lifting pull rod 53 and a lifting pull lug plate 54.
Wherein, the center department of planting grass planting district 18 is equipped with integral anchor bar 15, and the welding of top has cross fixed muscle 10 on the integral anchor bar 15, and cross fixed muscle 10 connects frame girder longitudinal reinforcement skeleton 14 and frame girder transverse reinforcement skeleton 11 for supplementary fixed frame girder longitudinal reinforcement skeleton 14 and frame girder transverse reinforcement skeleton 11.
Wherein, the three-dimensional vegetation hanging net 22 is bound on the integral anchor bar 15 and the end bending end of the prestressed anchor cable anchor rod 23.
As shown in fig. 1-3, the base groove positions of the sash Liang Zongliang and the sash beam 19 are positioned by adopting a side slope light steel rapid grooving device 4, the side slope light steel rapid grooving device 4 is placed on a light steel sliding rail 5 of a slope top 1 and a slope bottom 16, a sliding rail top stand column 6 and a sliding rail bottom stand column 69 are arranged below the light steel sliding rail 5, the side slope light steel rapid grooving device 4 comprises a sliding light steel positioning device 7, a bottom longitudinal sliding rail 8 arranged on the sliding light steel positioning device, a longitudinal scribing lime basket 9, a wing plate lime spraying basket 25 and a positioning device wing plate 26, the side surfaces of the sliding light steel positioning device 7 are uniformly and symmetrically provided with the positioning device wing plates 26, the side surfaces of each positioning device wing plate 26 are welded with the wing plate lime spraying basket 25, and the longitudinal scribing lime basket 9 is arranged on the bottom longitudinal sliding rail 8, so that longitudinal sliding scribing can be realized.
As shown in fig. 4-10, preferably, the sash Liang Zongliang and the sash beam 19 are poured through a frame beam shaping template 27 and a top temporary sealing device, the frame Liang Dingxing shaping template 27 comprises an outer side template 28, a sliding scraping plate 29, a remainder pushing device 30 and a shaping sliding rail 31 arranged outside the outer side template 28, the top temporary sealing device comprises a straight line section top template 44 and a node area top template 46, a scraping plate support sliding sleeve 32 and a pushing device support sliding sleeve 33 are arranged on the shaping sliding rail 31, a scraping plate support upright post 37 is arranged at the top of the scraping plate support sliding sleeve 32, a scraping plate support beam 35 is arranged at the top of the scraping plate support upright post 37, scraping plate vertical connecting rods 38 are uniformly distributed at the lower part of the scraping plate support beam 35, and sliding scraping plates 29 are arranged at the lower part of the scraping plate vertical connecting rods 38.
As shown in fig. 7 to 8, more specifically, the pushing device support sliding sleeve 33 is provided with a pushing device support column 36 at the top, the pushing device support column 36 is provided with a pushing device support beam 34 at the top, the lower part of the pushing device support beam 34 is uniformly provided with a pushing device vertical link 39, the lower part of the pushing device vertical link 39 is provided with a residue pushing device 30, the sliding screed 29, the screed support sliding sleeve 32, the screed support beam 35, the screed support column 37 and the screed vertical link 38 form a screed moving support 41, and the residue pushing device 30, the pushing device support sliding sleeve 33, the pushing device support beam 34, the pushing device support column 36 and the pushing device vertical link 39 form a residue pushing device moving support 40.
As shown in fig. 9-12, the top of the outer side template 28 is provided with a clamping ear plate 42, a top temporary closing device is fixed on the clamping ear plate 42 through a clamping hook 49 and a connecting piece, wherein screw holes 48 are formed in the middle of the clamping ear plate 42 and the clamping hook 49, the top temporary closing device is hooped on the clamping ear plate 42 of the frame Liang Dingxing template 27 through the clamping hook 49, then the top temporary closing device is fixed through the screw holes 48 by using screws 50 and nuts 51, and the clamping hook 49 is arranged at the ends of the straight-line section top template 44 and the node area top template 46;
the straight line section top template 44 and the node section top template 46 are in hinge folding design, a straight line section top template hinge 43 is arranged at the position of the longitudinal central line of the straight line section top template 44, four node section top template hinges 45 are arranged in the diagonal direction of the node section top template 46, and an anchor sealing reserved hole 47 is further formed in the middle of the node section top template 46.
As shown in fig. 13-14, the side of the quick anchor mold 52 is provided with a pull rod 53, and the pull rod 53 is provided with a pull lug plate 54.
In this embodiment, as shown in fig. 15-17, the lower part of the lowest stage of the beam 19 is provided with a tilting drainage inclined hole 61, the tilting drainage inclined hole 61 is constructed by synchronously following the drilling of an anchor cable through a steel sleeve 55, the steel sleeve 55 is supported by an orifice bracket 56 when being sunk and pulled out, and the tilting drainage inclined hole 61 is provided with an over-drilling section 63. Wherein, the inclined drainage inclined hole 61 inserts in the drainage PVC pipe 60, the end of the drainage PVC pipe 60 is encapsulated by a non-woven fabric 62, the orifice bracket 56 is reinforced by an orifice bracket cross brace 57, the orifice of the inclined drainage inclined hole 61 is provided with an orifice reaming PVC pipe 59, the orifice reaming PVC pipe 59 is plugged by a water-swelling rubber strip 68 and is firmly injected by plugging mortar 64, the plugging mortar 64 is pressed by a pull rod type grouting ring plate 65 with an end plate, and the pull rod 67 arranged on the grouting ring plate 66 and a grouting ring plate 66 are arranged on the pull rod type grouting ring plate 65.
Wherein, when orifice bracket 56 is reinforced by orifice bracket cross brace 57, if the orifice bracket cross brace is calculated to have no influence on the frame grid beam, the orifice bracket is fixed on the frame grid beam cross beam 19, otherwise, the orifice bracket is fixed on the slope surface 24 by soil beating nails 58.
In the case of example 2,
the present embodiment uses the construction structure of embodiment 1, and the method includes the following steps:
s000, preparation of construction: checking construction drawings, determining the sizes of all parts and materials, determining the required types of steel bars, anchor bars and anchor cables of the prestressed anchor cable anchor rods 23, determining the required cement labels, performing a material and mixing ratio test of the plugging mortar 64, and determining the types and nutrient solutions of planting grass 22;
in this step, the dimensions of the various parts are determined as the dimensions of the drainage PVC pipe 60, the reaming PVC pipe 59, the water-swellable rubber strip 68, and the nonwoven fabric 62; the required steel bar types are determined to be the steel bar types of the cross-shaped fixing rib 10, the cross-grid beam transverse steel bar skeleton 11, the cross-grid beam longitudinal steel bar skeleton 14, the integral anchor rib 15 and the three-dimensional vegetation hanging net 22; the equipment model of the equipment is determined to be the tensioning jack, the tensioning pressure gauge model and the hole forming equipment and the grouting equipment model of the pre-stressed anchor cable anchor rod 23.
S100, trimming sundries on the side slope: refurbishment of debris on the slope surface 24;
in this step, before installing the rapid grooving device 4 for the side slope light steel and the foundation grooves of the construction frame girder longitudinal beam 12 and the frame girder cross beam 19, sundries on the side slope surface 24 need to be refurbished, so that the post construction can be ensured to be carried out smoothly.
S200, installing a slope rapid grooving device: the construction of a mortar rubble top 2 and a mortar rubble foot 20 is carried out, a light steel sliding rail 5 is spliced with a sliding rail top stand column 6 and a sliding rail bottom stand column 69 respectively to form a whole, then the sliding rail top stand column 6 and the sliding rail bottom stand column 69 are respectively arranged at the appointed positions of a slope top 1 and a slope bottom 16, then an assembled side slope light steel rapid grooving device 4 is placed on the light steel sliding rail 5, and then a longitudinal lineation lime basket 9 is arranged on a bottom longitudinal sliding rail 8;
s300, positioning the foundation groove position of the lofting anchor cable frame beam: according to a construction drawing, carrying out dust scattering and scribing at the designated frame girder foundation trench position, carrying out positioning and lofting by a slope light steel rapid grooving device 4 on a sliding light steel sliding rail 5, determining the foundation trench position of a frame girder beam 19 through a wing plate lime scattering basket 25, determining the foundation trench position of a frame Liang Zongliang through a longitudinal scribing lime basket 9, and selecting the intersection of the frame girder beam 19 and the frame Liang Zongliang as the foundation trench position of a node area frame girder 3;
s400, measuring and positioning a pre-stressed anchor cable anchor rod hole: taking the central position of the intersection of the sash beam 19 and the sash Liang Zongliang as the anchor hole position of the prestressed anchor cable anchor rod 23;
s500, erecting a drilling scaffold platform: in order to facilitate the drilling operation of the prestressed anchor cable anchor rod 23, a drilling scaffold platform is erected at a proper position on the slope surface 24 according to the anchor hole position of the prestressed anchor cable anchor rod 23;
s510, drilling and cleaning: drilling construction is carried out at the anchor hole position of the prestressed anchor rope anchor rod 23, dust is removed from the hole wall and the hole bottom, and the hole diameter and the hole depth are verified;
in the step, drilling construction is carried out at the anchor hole position according to the prestressed anchor rope anchor rod 23 hole forming equipment determined in the step S000.
S600, manufacturing, installing and grouting a pre-stress anchor cable anchor rod: manufacturing a pre-stressed anchor rope anchor rod 23, enabling the pre-stressed anchor rope anchor rod 23 to smoothly penetrate into an anchor hole, and performing anchoring grouting construction on the pre-stressed anchor rope anchor rod 23 after the exposed part of the pre-stressed anchor rope anchor rod 23 meets the working length;
in this step, before installation, the anchor holes with the numbers are checked, a guide cap is arranged at the top of the prestressed anchor rope anchor rod 23 for easy rope threading, then the prestressed anchor rope anchor rod 23 is manually and smoothly threaded into the anchor holes, the exposed part of the prestressed anchor rope anchor rod 23 needs to meet the working length, and then the anchoring grouting construction of the prestressed anchor rope anchor rod 23 is performed.
S700, excavating anchor cable frame beam foundation grooves: performing foundation trench excavation operation according to the foundation trench positions of the frame beam cross beams 19, the frame Liang Zongliang and the node area frame beams 3 determined in the step S300;
s800, installing an anchor cable frame beam reinforcement cage: respectively placing a frame longitudinal reinforcement cage 14 and a frame transverse reinforcement cage 11 in the foundation grooves of the frame Liang Zongliang and the frame beam cross beams 19, and binding and fastening the anchor cable frame beam reinforcement cages of the node area frame beams 3;
s900, installing a cross-shaped fixing rib and an integral anchor rib: the integral anchor bar 15 is arranged at the center of a grass planting and spraying planting area 18 surrounded by the sash Liang Zongliang and the sash beam 19, and the cross-shaped fixing bar 10 is welded at the top of the integral anchor bar 15, so that the cross-shaped fixing bar 10 penetrates into the bottom of a sash beam steel bar cage between the sash Liang Zongliang and the sash beam 19 and is welded and fixed;
s1000, installing an anchor cable frame beam template: the frame girder shaping templates 27 are assembled and installed on two sides of the foundation trench of the frame Liang Zongliang and the frame girder cross beams 19 respectively, and a straight line section top template 44 and a node area top template 46 are installed on the top of the frame Liang Dingxing shaping templates 27 and fixed by screws 50 and nuts 51;
s1100, pouring construction of an anchor cable frame beam skeleton: performing concrete pouring construction on the sash Liang Zongliang and the sash beam 19, removing the straight-line section top template 44 and the node area top template 46 after pouring is completed, installing a sliding scraping plate 29 and a residual material pushing device 30 on a shaping sliding rail 31 at the outer side of the sash Liang Dingxing shaping template 27, and then trowelling concrete;
s1200, tensioning, locking and anchoring: tensioning the prestressed anchor rope anchor rod 23, and rapidly pouring an anchor rope sealing block 13 by adopting a rapid anchor sealing die 52 after tensioning is completed so as to be used for sealing an anchor head of the prestressed anchor rope anchor rod 23;
in this step, the cable tensioning of the pre-stressed cable bolt 23 is performed using the tensioning apparatus determined in step S000.
S1300, hole forming construction of inclined drain holes: the lower part of the beam 19 of the lowest-level frame grid beam of the frame grid beam is provided with a tilting drainage hole 61, and synchronous follow-up construction is carried out through the steel sleeve 55 and anchor cable drilling, in order to ensure the hole forming angle, the sinking and pulling-out processes of the steel sleeve 55 are supported by adopting a hole opening bracket 56, and in order to facilitate follow-up hole forming, the hole opening of the tilting drainage hole 61 is required to be reamed;
s1400, installing a drain pipe: before installation, the end part of the drainage PVC pipe 60 is encapsulated by a non-woven fabric 62, then the drainage PVC pipe 60 is inserted into the upward-inclined drainage hole 61, and a certain over-drilled section 63 is reserved, so that the drainage PVC pipe is not inserted into the bottom of the upward-inclined drainage hole 61;
s1500, grouting and blocking of an orifice firmly: installing an orifice reaming PVC pipe 59 at the orifice of the upward inclined drain hole 61, filling a water-swelling rubber strip 68 between the orifice reaming PVC pipe 59 and the drain PVC pipe 60 for blocking, and pressing blocking mortar 64 through a pull rod type grouting ring plate 65 with an end plate for grouting stabilization;
s1600, hanging a protective net: hanging a three-dimensional vegetation hanging net 22 on the bent ends of the integral anchor bars 15 and the ends of the pre-stressed anchor cable anchor rods 23, and binding and fixing;
s1700, grass seed spraying protection: the grass 22 is spread in the grass-planting area 18, and the nutrient solution is spread, and then water is spread for maintenance.
In this step, the broadcast-planted grass 22 determined in step S000 is selected.
The invention is not described in detail in the prior art, and therefore, the invention is not described in detail.
It will be understood that the terms "a" and "an" should be interpreted as referring to "at least one" or "one or more," i.e., in one embodiment, the number of elements may be one, while in another embodiment, the number of elements may be plural, and the term "a" should not be interpreted as limiting the number.
Although specific terms are used more herein, the use of other terms is not precluded. These terms are used merely for convenience in describing and explaining the nature of the invention; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present invention.
The present invention is not limited to the above-mentioned preferred embodiments, and any person can obtain various other products without departing from the scope of the present invention, but any changes in shape or structure are within the scope of the present invention, which is the same or similar to the present invention.
Claims (7)
1. The prestress anchor cable frame type protective structure is characterized by comprising a node area frame grid beam, a frame grid beam transverse reinforcement cage, a frame Liang Zongliang, a frame grid beam longitudinal reinforcement cage, a spray-seeding grass planting area, a frame grid beam cross beam, grass planting and a three-dimensional vegetation hanging net;
the node area frame beams are reinforced by anchor cable sealing blocks and prestressed anchor cable anchors, the anchor cable sealing blocks are used for rapidly sealing anchors by rapid anchor sealing molds, and the rapid anchor sealing molds consist of lifting pull rods and lifting lug plates;
an integral anchor bar is arranged at the center of the spray-seeding grass planting area, and a cross-shaped fixing bar is arranged at the top of the integral anchor bar; the cross-shaped fixing ribs are connected with the longitudinal steel bar framework of the frame beam and the transverse steel bar framework of the frame beam;
the three-dimensional vegetation hanging net is bound to the integral anchor bar and the bent end of the end head of the pre-stressed anchor cable anchor rod;
the base groove positions of the sash Liang Zongliang and the sash beam cross beam are positioned by adopting a slope light steel rapid grooving device, the slope light steel rapid grooving device is placed on a light steel sliding rail at the top and the bottom of a slope, and a sliding rail top stand column and a sliding rail bottom stand column are arranged below the light steel sliding rail;
the lower part of the lowest stage of the frame beam cross beam is provided with an inclined drainage inclined hole, the inclined drainage inclined hole is constructed by synchronously following drilling of a steel sleeve and an anchor cable, an orifice bracket is used for supporting the steel sleeve when the steel sleeve is sunk and pulled out, and the inclined drainage inclined hole is provided with an over-drilling section;
the side slope light steel rapid grooving device comprises a sliding light steel positioning device, a bottom longitudinal sliding rail arranged on the sliding light steel positioning device, a longitudinal scribing lime basket, wing plates, a lime basket and positioning device wing plates, wherein the side faces of the sliding light steel positioning device are uniformly and symmetrically provided with the positioning device wing plates, each positioning device wing plate side face is welded with the wing plates, and the longitudinal scribing lime basket is arranged on the bottom longitudinal sliding rail.
2. The prestressed anchor cable frame-type protective structure according to claim 1, wherein the upward inclined drain inclined hole is inserted into a drain PVC pipe, the end of the drain PVC pipe is enveloped by a non-woven fabric, and the orifice bracket is reinforced by an orifice bracket cross brace.
3. The prestressed anchor cable frame-type protective structure according to claim 2, wherein the orifice of the upward-inclined drain inclined hole is provided with an orifice reaming PVC pipe, and the orifice reaming PVC pipe is plugged by a water-swelling rubber strip and is stabilized by plugging mortar grouting.
4. A prestressed anchor cable frame type protective structure according to claim 3, wherein the plugging mortar is crushed by a pull rod type grouting annular plate with an end plate, and the pull rod type grouting annular plate with the end plate is provided with a grouting annular plate and a pull rod arranged on the grouting annular plate.
5. The prestressed anchor cable frame type protection structure according to claim 4, wherein the sash Liang Zongliang and the sash beam cross beam are poured through a sash Liang Dingxing forming plate and a top temporary sealing device, the sash Liang Dingxing forming plate comprises an outer side plate, a residual material pushing device and a shaping sliding rail arranged on the outer side of the outer side plate, a scraper moving support and a residual material pushing device moving support are arranged on the shaping sliding rail on the two sides of the outer side plate, and in addition, the top of the outer side plate is clamped with the top temporary sealing device, and the top temporary sealing device comprises a straight line section top plate and a node area top plate.
6. The prestressed anchor cable frame type protective structure according to claim 5, wherein the scraper plate moving support comprises a sliding scraper plate, a scraper plate support sliding sleeve, a scraper plate support beam, a scraper plate support upright post and a scraper plate vertical connecting rod, and a sliding scraper plate is arranged at the lower part of the scraper plate support beam; the clout pushing device moving support comprises a clout pushing device, a pushing device support sliding sleeve, a pushing device support beam, a pushing device support stand column and a pushing device vertical connecting rod, and the clout pushing device is arranged at the lower part of the pushing device support beam.
7. The construction method of the prestressed anchor cable frame type protective structure according to claim 6, comprising the steps of:
s000, preparation of construction: checking construction drawings, determining the sizes of all parts and materials, determining the types of required steel bars, anchor bars and anchor ropes of the prestressed anchor rope, determining the types of drilling equipment, determining the required cement marks, performing a material and mixing ratio test of plugging mortar, and determining the types and nutrient solutions of planting grass;
s100, trimming sundries on the side slope: the sundries on the slope surface are refurbished;
s200, installing a slope rapid grooving device: performing mortar rubble top protection and mortar rubble foot protection construction, splicing a light steel sliding rail with a sliding rail top stand column and a sliding rail bottom stand column respectively to form a whole, respectively installing the sliding rail top stand column and the sliding rail bottom stand column at designated positions of a slope top and a slope bottom, placing a spliced side slope light steel rapid grooving device on the light steel sliding rail, and installing a longitudinal scribing lime basket on the bottom longitudinal sliding rail;
s300, positioning the foundation groove position of the lofting anchor cable frame beam: carrying out ash spreading and scribing on the designated frame girder foundation trench position, carrying out positioning and lofting by a slope light steel rapid grooving device on a sliding light steel sliding rail, determining the foundation trench position of a frame girder cross beam through a wing plate lime spreading basket, determining the foundation trench position of a frame girder longitudinal beam through a longitudinal lime scribing basket, and selecting the intersection of the frame girder cross beam and a frame Liang Zongliang as the foundation trench position of a node area frame girder;
s400, measuring and positioning a pre-stressed anchor cable anchor rod hole: taking the central position of the intersection of the frame beam cross beam and the frame Liang Zongliang as the anchor hole position of the prestressed anchor cable anchor rod;
s500, erecting a drilling scaffold platform: setting up a drilling scaffold platform at a proper position on the slope surface according to the anchor hole position of the prestressed anchor cable anchor rod;
s510, drilling and cleaning: drilling construction is carried out at the anchor hole position of the prestressed anchor cable anchor rod, dust is removed from the hole wall and the hole bottom, and the hole diameter and the hole depth are verified;
s600, manufacturing, installing and grouting a pre-stress anchor cable anchor rod: manufacturing a pre-stressed anchor rope anchor rod, enabling the pre-stressed anchor rope anchor rod to smoothly penetrate into an anchor hole, and performing anchoring grouting construction on the pre-stressed anchor rope anchor rod after the exposed part of the pre-stressed anchor rope anchor rod meets the working length;
s700, excavating anchor cable frame beam foundation grooves: performing foundation trench excavation operation according to the foundation trench positions of the frame beam cross beams, the frame Liang Zongliang and the node area frame beams determined in the step S300;
s800, installing an anchor cable frame beam reinforcement cage: respectively placing a longitudinal frame reinforcement cage and a transverse frame reinforcement cage of the frame beams in the foundation grooves of the frame Liang Zongliang and the frame beam beams, and binding and fastening the anchor cable frame beam reinforcement cages of the frame beams of the node area;
s900, installing a cross-shaped fixing rib and an integral anchor rib: an integral anchor bar is arranged at the center of a grass planting and spraying planting area surrounded by the sash Liang Zongliang and the sash beam cross beam, and a cross-shaped fixing bar is welded at the top of the integral anchor bar, so that the cross-shaped fixing bar penetrates into the bottom of the frame beam reinforcement cage and is welded and fixed;
s1000, installing an anchor cable frame beam template: assembling and installing frame girder finalization templates at two sides of a basic groove of a frame Liang Zongliang and a frame girder cross beam respectively, installing a straight line section top template and a node area top template at the top of the frame Liang Dingxing finalization template, and fixing by using screws and nuts;
s1100, pouring construction of an anchor cable frame beam skeleton: performing concrete pouring construction on the sash Liang Zongliang and the sash beam cross beam, removing the top templates of the straight line sections and the top templates of the node areas after pouring is completed, installing a sliding scraping plate and a residual material pushing device on a shaping sliding rail at the outer side of the sash Liang Dingxing shaping template, and then performing concrete trowelling;
s1200, tensioning, locking and anchoring: tensioning the prestressed anchor cable anchor rod, and rapidly pouring an anchor cable sealing block by adopting a rapid sealing die after tensioning is completed;
s1300, hole forming construction of inclined drain holes: the lower part of the beam of the lowest level of the frame beams is provided with a tilting drainage hole, synchronous follow-up construction is carried out through drilling of steel sleeves and anchor cables, and the steel sleeves are supported by orifice brackets in the sinking and pulling-out processes;
s1400, installing a drain pipe: the end part of the drainage PVC pipe is encapsulated by non-woven fabrics, then the drainage PVC pipe is inserted into the upward inclined drainage hole, and an over-drilling section is reserved;
s1500, grouting and blocking of an orifice firmly: installing an orifice reaming PVC pipe at the orifice of the upward inclined drain hole, filling a water-swelling rubber strip for plugging between the orifice reaming PVC pipe and the drain PVC pipe, and grouting firmly through a pull rod type grouting annular plate with an end plate;
s1600, hanging a protective net: hanging a three-dimensional vegetation hanging net on the bent end of the integral anchor bar and the end head of the prestressed anchor cable anchor rod, and binding and fixing;
s1700, grass seed spraying protection: and broadcasting grass planting in the grass planting area, broadcasting nutrient solution, and then sprinkling water for maintenance.
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