CN110714383B - Novel reinforced structure for composite inclined reinforced slope and construction method thereof - Google Patents
Novel reinforced structure for composite inclined reinforced slope and construction method thereof Download PDFInfo
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- CN110714383B CN110714383B CN201910917747.6A CN201910917747A CN110714383B CN 110714383 B CN110714383 B CN 110714383B CN 201910917747 A CN201910917747 A CN 201910917747A CN 110714383 B CN110714383 B CN 110714383B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C3/00—Foundations for pavings
- E01C3/04—Foundations produced by soil stabilisation
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
- E02D29/0225—Retaining or protecting walls comprising retention means in the backfill
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
- E02D29/0225—Retaining or protecting walls comprising retention means in the backfill
- E02D29/0241—Retaining or protecting walls comprising retention means in the backfill the retention means being reinforced earth elements
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- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The invention discloses a novel reinforced structure for composite inclined reinforced slope, which comprises concrete canvas, geogrid and micro friction-increasing pile, wherein a plurality of V-distributed concrete canvas are arranged on the slope along the height direction, the concrete canvas is embedded in the soil body of the slope, geogrid mounting holes are densely distributed on the concrete canvas, the geogrid is fixed at the geogrid mounting hole of the concrete canvas by nylon buckles, the geogrid covers the upper layer of the concrete canvas comprehensively, a plurality of friction-increasing pile mounting holes are uniformly distributed on the concrete canvas, the micro friction-increasing pile comprises friction feet and a fixed rod, the friction feet are fixed at the two end parts of the fixed rod, the fixing rod of the miniature friction-increasing pile penetrates through a friction-increasing pile mounting hole of the concrete canvas and the geogrid, and the fixing rod is bonded with the concrete canvas by adopting a cementing agent at the friction-increasing pile mounting hole. The invention also provides a construction method of the novel reinforced structure for the composite inclined reinforced slope. The structure and the method can improve the stability of the embankment side slope and the retaining wall under the action of static load, traffic load or earthquake load.
Description
Technical Field
The invention relates to a novel composite reinforcement structure for reinforcing a slope in an inclined mode, which is suitable for embankments of various different soil qualities and belongs to the field of road engineering. The invention also relates to a construction method of the novel reinforced structure for the composite inclined reinforced slope.
Background
Along with the improvement of economy and the rapid development of traffic causes in China, embankment side slopes, retaining wall projects and other slope protection projects are more and more applied to actual projects, however, embankment side slopes with better performance can be kept under static load and a small amount of traffic load, overlarge deformation is easily generated when overload or earthquake load occurs, huge economic loss and casualties of personnel can be brought under some great earthquakes, great difficulty can be brought to rescue and relief work due to embankment collapse, reinforced side slopes are applied to actual projects due to more and more excellent earthquake-resistant performance, and reinforced materials are generally divided into two types: the two-dimensional reinforcement material comprises: geotextiles, geogrids, metal strips, polymeric strips, and other materials having high strength; three-dimensional reinforced material: geocells, sandbags, and the like.
However, the friction between the traditional reinforced material and the backfill soil is limited due to the self-limitation of the traditional reinforced material, and particularly, when the multi-layer reinforced material is reinforced, the backfill soil and the reinforced material are frequently damaged by sliding due to poor strength between reinforced soil interfaces, so that the safety of embankment engineering is greatly reduced, and the later maintenance cost is improved. The invention provides a novel reinforcement method for a composite inclined reinforced side slope with a miniature friction-increasing pile, which perfectly solves the problem of weak interface friction strength of reinforced soil. The invention adopts a new composite reinforcement material, the friction strength between the material and the soil body is far greater than that of the traditional reinforcement material, and simultaneously, the invention firstly proposes that a micro friction-increasing pile is added into the reinforcement material, so that the deformation of the side slope can be more effectively limited.
Disclosure of Invention
The invention aims to solve the technical problem of providing a novel reinforcement structure for reinforcing a side slope in a composite inclined mode, and the reinforcement structure can improve the stability of a side slope of an embankment and a retaining wall under the action of static load, traffic load or earthquake load. The technical problem to be solved by the invention is also to provide a construction method of the novel reinforcement structure for the composite inclined reinforced slope.
The technical scheme adopted by the invention is as follows: novel compound slope consolidates muscle structure of adding of slope, characterized by: including concrete canvas, geogrid and miniature increase and rub stake, be provided with a plurality of V-arrangement distributions along direction of height on the slope concrete canvas, concrete canvas bury underground in the soil body of side slope, it has the geogrid mounting hole to gather on the concrete canvas, geogrid adopts nylon fastener eye-splice to fix concrete canvas's geogrid mounting hole department, geogrid covers comprehensively the concrete canvas upper strata, evenly distributed has a plurality of increase and rub stake mounting holes on the concrete canvas, miniature increase and rub stake including friction foot and dead lever, the both ends at the dead lever are fixed to the friction foot, the dead lever of miniature increase and rub stake passes the increase and rub stake mounting hole and the geogrid of concrete canvas, the dead lever adopts cementing agent and concrete canvas bonding in increase and rub stake mounting hole department.
Furthermore, the side slope is provided with a precast pile corresponding to the V-shaped bottom of the concrete canvas, the V-shaped bottom of the concrete canvas corresponds to the precast pile and is provided with a precast pile sleeving hole, a positioning grid is inserted and sleeved at the precast pile sleeving hole, the center of the positioning grid is provided with a sleeving pipe matched with the diameter of the precast pile, sleeving rods are distributed on the positioning grid around the sleeving pipe, the end parts of the sleeving rods are provided with external threads and are provided with nuts, the sleeving pipes penetrate through the precast pile sleeving hole and are bonded by cementing agents, the sleeving pipes are sleeved on the precast pile, the sleeving rods penetrate through the concrete canvas and are in threaded connection with the nuts, and the positioning grid is fixed on the concrete canvas.
The invention provides a construction method of a novel reinforcement structure for composite inclined reinforced slope, which comprises the following steps:
A. preparing a reinforced material: firstly, drilling a geogrid mounting hole on a concrete canvas according to a pre-designed requirement, then inserting and buckling a geogrid at the geogrid mounting hole by adopting a nylon buckle and attaching the geogrid to the upper surface of the concrete canvas to ensure that the concrete canvas and the nylon buckle are tightly connected, and then drilling an antifriction pile mounting hole, a precast pile sleeving hole and a sleeving rod inserting hole on the concrete canvas and the geogrid;
B. manufacturing a miniature friction-increasing pile: cutting a steel plate according to the designed size by using a steel plate cutting machine, welding the cut steel plate and a round ribbed steel bar together, carrying out arc welding by adopting a welding rod, and welding the periphery of the steel bar by adopting a round welding line to form a micro friction-increasing pile;
C. inserting a pre-prepared micro friction-increasing pile into the friction-increasing pile mounting hole, and cementing and fixing the micro friction-increasing pile, the concrete canvas and the geogrid by adopting a solvent-free epoxy resin cementing agent;
D. driving the precast pile, sleeving the positioning grid at the sleeving hole of the precast pile, and bonding the positioning grid and the concrete canvas by adopting a cementing agent;
E. tamping the backfill of the foundation soil, and backfilling the backfill soil according to a certain gradient of the pre-designed slope of the reinforced material and compacting;
F. the slope cutting and leveling are carried out by a slope cutting machine to form a V-shaped structure with an included angle slightly lower than 180 degrees, then a crane is used for hoisting and placing the concrete canvas and the geogrid, the positions of friction increasing piles are debugged and determined before hoisting, friction increasing pile mounting holes are dug in the positions, the miniature friction increasing piles are placed in the friction increasing pile mounting holes and are backfilled by high-strength concrete grout, the upper-layer soil is backfilled after the concrete grout is completely condensed, and the steps including soil backfilling, compacting, slope cutting, reinforcing material mounting and high-strength concrete pouring are repeated until the whole slope engineering is finished.
Drawings
Fig. 1 is a schematic structural diagram of a reinforcement structure of the novel composite inclined reinforced slope provided by the invention.
Fig. 2 is a schematic structural view of a reinforced structure composed of the concrete canvas, the geogrid and the micro friction-increasing piles in fig. 1.
Fig. 3 is a partial structural cross-sectional view of the concrete canvas and geogrid of fig. 1.
Fig. 4 is a schematic sectional view showing the structure of the concrete canvas shown in fig. 3.
Fig. 5 is a schematic diagram of the distribution structure of the micro friction-increasing piles in fig. 1.
Fig. 6 is a schematic structural view of a micro friction-increasing pile in example 1.
Fig. 7 is a schematic structural view of embodiment 2 of a micro friction-increasing pile.
Fig. 8 is a schematic structural view of embodiment 3 of a micro friction-increasing pile.
Fig. 9 is an enlarged sectional view of the positioning grill in fig. 1.
Fig. 10 is a schematic structural view of the velcro in fig. 1.
Detailed Description
Referring to fig. 1 to 10, the novel reinforced structure for reinforcing a slope in a composite inclined manner, provided by the invention, comprises a concrete canvas, a geogrid and a miniature friction-increasing pile, wherein the geogrid is made of a composite material, a plurality of V-shaped distributed concrete canvases 1 are arranged on the slope along the height direction, the main body of the concrete canvas 1 is composed of three-dimensional high-strength fibers 2, the thickness of the concrete canvas is 0.8 to 1.2cm, dry concrete 3 is filled in the three-dimensional high-strength fibers 2, a polyvinyl chloride substrate 4 is arranged at the bottom of the three-dimensional high-strength fibers 2, and water permeable holes are distributed in the concrete canvas 1. Concrete canvas 1 buries underground in the soil body of side slope, and it has geogrid mounting hole 12 to gather on the concrete canvas 1, geogrid 5 adopts nylon 7 eye-splice to fix concrete canvas 1's geogrid mounting hole department, and nylon 7 passes the hole on geogrid 5 and detains the geogrid mounting hole 12 on the concrete canvas 1, geogrid 5 covers comprehensively concrete canvas 1 upper strata, evenly distributed has a plurality of friction-increasing stake mounting holes 6 on the concrete canvas 1, miniature friction-increasing stake 8 is including friction foot 81 and dead lever 82, and friction foot 81 fixes the both ends at dead lever 82, the dead lever 82 of miniature friction-increasing stake 8 passes friction-increasing stake mounting hole 6 and geogrid 5 of concrete canvas 1, dead lever 82 adopts the cementing agent to bond with concrete canvas 1 in friction-increasing stake mounting hole 6 department.
Referring to fig. 1, 2 and 9, a precast pile 9 is driven on the slope corresponding to the V-shaped bottom of the concrete canvas 1, the V-shaped bottom of the concrete canvas 1 is provided with a precast pile sleeve joint hole 10 corresponding to the precast pile 9, a positioning grid 11 is inserted and sleeved at the sleeve hole 10 of the precast pile of the concrete canvas, a sleeve pipe 111 matched with the diameter of the precast pile 9 is arranged at the center of the positioning grid 11, sleeve rods 112 are distributed on the positioning grid 11 around the sleeve pipe 111, the end parts of the sleeve rods 112 are provided with external threads and are provided with screw caps 113, the sleeve pipe 111 passes through the precast pile sleeve hole 10 and is bonded by cementing agent, the sleeve pipe 111 is sleeved on the precast pile 9, the sleeve rod 112 is screwed with the nut 113 after penetrating the concrete canvas 1, thereby fixing the positioning grid 11 on the concrete canvas 1.
Referring to fig. 6-8, the micro friction-increasing pile 8 has three structural forms, that is, 1, friction feet 81 are transversely distributed in a strip shape, and the micro friction-increasing pile 8 is in an i shape; 2. the friction foot 81 is semicircular, the arc end of the friction foot 81 is connected with the fixing rod 82, and the plane end of the friction foot 81 is zigzag; 3. the friction feet 81 are friction rods densely fixed at two ends of the fixing rod 82.
Referring to fig. 1 to 10, the construction method of the novel reinforcement structure for the composite inclined reinforced slope includes the following steps:
A. preparing a reinforced material: firstly, drilling a geogrid mounting hole on a concrete canvas 1 according to a pre-designed requirement, then inserting and buckling a geogrid 5 at the geogrid mounting hole by adopting a nylon fastener 7 and attaching the geogrid to the upper surface of the concrete canvas 1 to ensure that the concrete canvas 1 is tightly connected with the nylon fastener 7, and then drilling an antifriction pile mounting hole 6, a precast pile sleeve hole 10 and a sleeve rod jack 13 on the concrete canvas 1 and the geogrid;
B. manufacturing a micro friction-increasing pile 8: cutting a steel plate according to the designed size by using a steel plate cutting machine, welding the cut steel plate and a round ribbed steel bar together, carrying out arc welding by adopting a welding rod, and welding the periphery of the steel bar by adopting a round welding line to form a micro friction-increasing pile 8;
C. inserting a pre-prepared micro friction-increasing pile 8 into the friction-increasing pile mounting hole 6, and cementing and fixing the micro friction-increasing pile 8, the concrete canvas 1 and the geogrid by adopting a solvent-free epoxy resin cementing agent;
D. the precast pile 9 is arranged, the positioning grid 11 is sleeved at the precast pile sleeving hole 10, and the positioning grid 11 and the concrete canvas 1 are bonded by adopting a cementing agent;
E. tamping the backfill of the foundation soil, and backfilling the backfill soil according to a certain gradient of the pre-designed slope of the reinforced material and compacting;
F. the slope cutting and leveling are carried out by using a slope cutting machine to form a V shape with an included angle slightly lower than 180 degrees, then a crane is used for hoisting and placing the composite material of the concrete canvas 1 and the geogrid 5, the position of the miniature friction-increasing pile 8 is debugged before hoisting, friction-increasing pile mounting holes 6 are dug in the positions, the miniature friction-increasing pile 8 is placed in the friction-increasing pile mounting holes 6 and then backfilled by using high-strength concrete slurry, the backfilling of upper-layer soil is carried out after the concrete slurry is completely condensed, and the steps including the backfilling, compacting, slope cutting, reinforcement material mounting and high-strength concrete pouring are repeated until the whole slope engineering is finished.
Referring to fig. 2-5, a hole 12 is drilled in the composite material surface of the concrete canvas 1 and the geogrid 5 by an electric drill, a circular drill with the diameter of 8mm is used for drilling, in order to ensure good connection between the concrete canvas 1 and the geogrid 5, 20 holes are drilled in the surface of 1 square concrete canvas, 16 holes 12 are drilled in the middle of the concrete canvas 1, 4 holes 12 are distributed in the four corners of the concrete canvas, the distance between every two holes of the middle hole 12 is 200mm, and then nylon fasteners 7 are used for tightly fixing the concrete canvas 1 and the geogrid 5 into a whole through the holes 12, so that the nylon fasteners 7 are used for tightening the concrete canvas 1 and the geogrid 5.
The construction of the invention is described in detail below by way of specific examples:
example one, with particular reference to figures 1-10:
1. preparation of novel composite reinforced material
(1) The main part material of adoption is a neotype geosynthetic material concrete canvas 1, firstly drills according to the designing requirement on concrete canvas 1, adopts the diameter to be 8 mm's circular drill bit, and the drilling distributes in concrete canvas 1's four corners to and the intermediate position, and the distance on middle lower edge drilling distance both sides is 20cm, and every hole interval is 20cm, and this hole is geotechnological check mounting hole 12.
(2) Through 12 geotechnological check mounting holes drilled in advance the ready geotechnological grid 5 attaches at concrete canvas 1's upper surface with nylon fastener 7, the geotechnological grid adopts two to high-strength steel to mould the material, nylon fastener 7 adopts length to be 20cm, the width is 6 mm's high strength plastics nylon fastener 7, in order to guarantee the zonulae occludens of two kinds of materials, the ligature mode is to perforate the ligature from the tow sides of material respectively with two nylon fasteners 7, every nylon fastener 7 need the ligature firm, then cut off the unnecessary part of nylon fastener 7 afterbody with the scissors.
(3) The specific shape and size of the friction foot 81 of the micro friction-increasing pile 8 are drawn on a steel plate with the thickness of 2cm in advance by a pen, then the steel plate is cut by a steel plate cutting machine, the design surface cannot be cut once during cutting, a few millimeters are reserved, the design surface is polished at a later stage, then a welding rod is adopted to weld the fixing rod 82 and the friction foot 81 together by arc welding, four-side enclosure welding is adopted during welding, the fixing rod 82 is a ribbed steel bar with the diameter of 2cm, the position of a welding point is generally in the center position of the friction foot 81, so that the stress of the micro friction-increasing pile 8 in actual engineering is ensured to be uniform, and the precision of a deflection angle of the multi-foot type micro friction-increasing pile 8 during welding is ensured.
(4) Holes with different diameters and arrangement forms are respectively drilled on the composite material according to design requirements, and the holes are divided into three arrangement forms: the composite material is symmetrical, triangular and prismatic, the diameters of the former two are 2cm, the diameter of the latter is 3cm, in order to ensure the drilling precision, a measuring tape is matched with an ink fountain to bounce on the composite material, the specific position of each drilled hole is determined, and the maximum deviation of each hole is ensured not to exceed 2 mm.
(5) The micro friction-increasing pile 8 and the composite reinforced material are connected through a fixing rod 82 penetrating through a drill hole. In order to ensure the connection firmness, solvent-free epoxy resin cementing agent is used as a binder, the cementing agent is coated around the drilled hole of the reinforcement material, then the fixing rod 82 is penetrated, then the cementing agent is coated around the fixing rod 82 and the drilled hole, and the reinforcement material is positioned at the center of the fixing rod 82 when the fixing rod 82 is penetrated.
2. Novel oblique installation of composite reinforced material
(1) The method is characterized in that a bulldozer is matched with a grader to fill foundation soil, a double-steel-wheel road roller is used for rolling and compacting, after the designed compaction degree is reached, a soil grabbing machine is matched with the bulldozer to fill upper soil, the upper soil is filled according to the gradient of 20 degrees, and finally a slope cutting machine is used for cutting the designed gradient.
(2) Lifting the reinforcement material by using a crane, preliminarily determining the specific position of each micro friction-increasing pile 8 on the slope, marking, digging holes with the length, the width and the depth of 40cm, 40cm and 40cm at each marking point, and removing miscellaneous filling soil and humus in the holes.
(3) Lifting the reinforced material by a crane to be placed at a pre-lifting position, leveling by manual arrangement, digging a hole in the front, embedding a miniature friction-increasing pile 8, pouring high-strength concrete, paying attention to the concrete condensation condition all the time, watering the surface of the composite reinforced material after the concrete is finally set, wherein the watering amount is twice of the weight of the reinforced material, starting to pave upper-layer backfill soil after cement in a concrete canvas 1 in the reinforced material is finally set, and repeating the steps, wherein the steps comprise: the method comprises the steps of soil paving, backfilling and compacting, slope cutting, reinforcement material pre-positioning, excavating and emptying of the friction-increasing pile mounting holes 6, formal positioning of reinforcement materials, pouring of high-strength concrete in the friction-increasing pile mounting holes 6 and watering of reinforcement materials until the whole side slope is completely filled.
Claims (8)
1. The utility model provides a novel compound slope consolidates muscle structure of adding of slope, characterized by: including concrete canvas, geogrid and miniature increase and rub stake, be provided with a plurality of V-arrangement distributions along direction of height on the slope concrete canvas, concrete canvas bury underground in the soil body of side slope, it has the geogrid mounting hole to gather on the concrete canvas, geogrid adopts nylon fastener eye-splice to fix concrete canvas's geogrid mounting hole department, geogrid covers comprehensively the concrete canvas upper strata, evenly distributed has a plurality of increase and rub stake mounting holes on the concrete canvas, miniature increase and rub stake including friction foot and dead lever, the both ends at the dead lever are fixed to the friction foot, the dead lever of miniature increase and rub stake passes the increase and rub stake mounting hole and the geogrid of concrete canvas, the dead lever adopts cementing agent and concrete canvas bonding in increase and rub stake mounting hole department.
2. The novel composite inclined reinforced slope reinforcement structure as claimed in claim 1, wherein: the utility model discloses a concrete canvas, including concrete canvas, side slope, locating grid, bell and spigot joint pipe, the V-arrangement bottom of concrete canvas is beaten and is equipped with the precast pile, correspond on the slope correspond the V-arrangement bottom of concrete canvas the precast pile has seted up precast pile cup joints the hole, the plug bush of precast pile cup joints hole department of concrete canvas has a positioning grid, the positioning grid center have with the bell and spigot joint pipe that the diameter of precast pile matches, it has the bell and spigot joint pole to distribute around the bell and spigot joint pipe on the positioning grid, and bell and spigot joint pole tip has the external screw thread and disposes the nut, the bell and spigot joint pipe passes precast pile cup joints the hole and adopts the bonding of cementing agent, and the bell and spigot joint pipe cup joints on the precast pile, the bell and spigot joint pole pierce.
3. The novel reinforced structure of the composite inclined reinforced slope according to claim 1 or 2, which is characterized in that: the concrete canvas main body is composed of three-dimensional high-strength fibers, the thickness of the concrete canvas main body is 0.8-1.2cm, dry concrete is filled in the three-dimensional high-strength fibers, a polyvinyl chloride substrate is arranged at the bottoms of the three-dimensional high-strength fibers, and water permeable holes are distributed in the concrete canvas.
4. The novel reinforced structure of the composite inclined reinforced slope according to claim 1 or 2, which is characterized in that: the friction feet are transversely distributed in a strip shape, and the miniature friction-increasing pile is I-shaped.
5. The novel reinforced structure of the composite inclined reinforced slope according to claim 1 or 2, which is characterized in that: the friction foot is semicircular, the arc end of the friction foot is connected with the fixed rod, and the plane end of the friction foot is zigzag.
6. The novel reinforced structure of the composite inclined reinforced slope according to claim 1 or 2, which is characterized in that: the friction feet are friction rods densely distributed and fixed at two ends of the fixed rod.
7. The construction method of the novel reinforcement structure for the composite inclined reinforced slope as claimed in claim 2, is characterized in that: the method comprises the following steps:
A. preparing a reinforced material: firstly, drilling a geogrid mounting hole on a concrete canvas according to a pre-designed requirement, then inserting and buckling a geogrid at the geogrid mounting hole by adopting a nylon buckle and attaching the geogrid to the upper surface of the concrete canvas to ensure that the concrete canvas and the nylon buckle are tightly connected, and then drilling an antifriction pile mounting hole, a precast pile sleeving hole and a sleeving rod inserting hole on the concrete canvas and the geogrid;
B. manufacturing a miniature friction-increasing pile: cutting a steel plate according to the designed size by using a steel plate cutting machine, welding the cut steel plate and a round ribbed steel bar together, carrying out arc welding by adopting a welding rod, and welding the periphery of the steel bar by adopting a round welding line to form a micro friction-increasing pile;
C. inserting a pre-prepared micro friction-increasing pile into the friction-increasing pile mounting hole, and cementing and fixing the micro friction-increasing pile, the concrete canvas and the geogrid by using a solvent-free epoxy resin cementing agent;
D. driving the precast pile, sleeving the positioning grid at the sleeving hole of the precast pile, and bonding the positioning grid and the concrete canvas by adopting a cementing agent;
E. tamping the backfill of the foundation soil, and backfilling the backfill soil according to a certain gradient of the pre-designed slope of the reinforced material and compacting;
F. the slope cutting and leveling are carried out by using a slope cutting machine to form a V-shaped structure with an included angle slightly lower than 180 degrees, then a crane is used for hoisting and placing concrete canvas and geogrid, before hoisting, the position of a friction increasing pile is debugged and determined, the specific position of each micro friction increasing pile on the slope is accurately determined, marking work is carried out, holes with the length, the width and the depth of 40cm, 40cm and 40cm are dug at each marking point to form a friction increasing pile mounting hole, the micro friction increasing pile is placed into the friction increasing pile mounting hole and then backfilled by using high-strength concrete grout, after the concrete grout is completely condensed, the backfilling of upper soil is carried out, and the steps including the backfilling, compacting, slope cutting, reinforcement material mounting and high-strength concrete pouring are repeated until the whole slope engineering is finished.
8. The method for constructing a novel reinforcement structure for a composite inclined reinforced slope according to claim 7, wherein the method comprises the following steps: the electric drill is in the geogrid surface bores geotechnological check mounting hole concrete canvas, and the drilling adopts the diameter to be 8 mm's circular drill bit, for guaranteeing the good connection between concrete canvas and the geogrid, has bored 20 geotechnological check mounting holes altogether on 1 square concrete canvas surface, and 16 geotechnological check mounting holes are at concrete canvas intermediate position, and 4 geotechnological check mounting hole distribute in concrete canvas's four corners, and the interval between every hole of middle geotechnological check mounting hole is 200mm respectively, then detains with nylon and passes through geotechnological check mounting hole will concrete canvas and the inseparable fixed an organic whole of geogrid ensure nylon buckle tightly concrete canvas and geogrid.
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| US7183524B2 (en) * | 2005-02-17 | 2007-02-27 | David Naylor | Modular heated cover |
| CN2905904Y (en) * | 2005-07-28 | 2007-05-30 | 上海大学 | Stereo reinforced earth |
| JP5004197B2 (en) * | 2009-11-12 | 2012-08-22 | 前田工繊株式会社 | Fiber formwork |
| US8636941B1 (en) * | 2012-09-25 | 2014-01-28 | Romeo Ilarian Ciuperca | Methods of making concrete runways, roads, highways and slabs on grade |
| CN204097823U (en) * | 2014-08-28 | 2015-01-14 | 德州市公路工程总公司 | One is partly filled out and is partly dug ecological road structure |
| CN205576950U (en) * | 2016-05-05 | 2016-09-14 | 中建路桥集团有限公司 | Prestressing force combined method highway high slope supporting construction |
| CN205603998U (en) * | 2016-05-12 | 2016-09-28 | 甘肃省天水公路管理局 | A composite construction body for mud -rock flow ground |
| CN106584970A (en) * | 2016-11-17 | 2017-04-26 | 威海云睿信息科技有限公司 | Environment-friendly slope vegetation blanket |
| CN206346206U (en) * | 2016-12-23 | 2017-07-21 | 明达海洋工程有限公司 | Construction of soil-nailed wall structure |
| CN109605875A (en) * | 2017-10-05 | 2019-04-12 | 张文广 | A kind of composite material blanket for filling cementitious material |
| CN107675831A (en) * | 2017-10-21 | 2018-02-09 | 林通泉 | 3-dimensional multi-layered doughnut enhancing concrete blanket can be overlapped |
| CN108487301B (en) * | 2018-03-26 | 2020-08-18 | 石家庄铁道大学 | In-situ gravity type retaining wall structure for fractured rock mass side slope |
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