CN112376588A

CN112376588A - Stock ground beam adds grout rubble lattice slope protection integrated configuration

Info

Publication number: CN112376588A
Application number: CN202011365302.0A
Authority: CN
Inventors: 郝喆; 夏琪; 景爽; 李楠; 孙鸿昌; 陈红丹
Original assignee: Liaoning University
Current assignee: Liaoning University
Priority date: 2020-11-28
Filing date: 2020-11-28
Publication date: 2021-02-19

Abstract

A kind of anchor rod ground beam adds and pastes rubble latticed slope protection integrated configuration, including outer bow member and inner latticed, two kinds of inner latticed are different, cut off by the ground beam between the same bow member of the outer bow member, the others are covered by M7.5 and pastes rubble, the whole side slope skeleton is strengthened by the anchor rod; the drainage ditch is in a trapezoidal design, and a 5% lime soil cushion layer is arranged below the drainage ditch in a cushioning mode. Through the structure, the anchor rod-ground beam lattice slope protection structure for slope restoration is stable in structure and strong in landscape performance, the reduction of rainwater flow velocity of the framework and the fixation of plants to soil are fully exerted, the stability of a side slope can be effectively protected, and the cost can be saved.

Description

Stock ground beam adds grout rubble lattice slope protection integrated configuration

Technical Field

The invention relates to a combined structure of an anchor rod ground beam and a grouted rubble latticed slope protection, which is suitable for the field of protection construction of a rock slope of a strip mine.

Background

The framework protection structure is a space structure which is artificially constructed by masonry materials such as grouted rubbles or concrete and has certain window format geometrical shapes and sizes, and the shallow soil body of the slope is reinforced by the actions of self weight, soil retaining, contact surface friction and the like, so that the shallow instability caused by rainfall, wind power, weather and the like is prevented. However, with the rapid development of high speed and railways in recent years, the climate environment changes indefinitely, and the conventional framework protection structure is continuously eliminated due to the problems that the structure is simple, the hydrophobicity is poor, when the temperature changes, the concrete surface layer may crack, the variety of planted vegetation is single, and the like.

Disclosure of Invention

Aiming at the problems, the invention relates to a combined structure of anchor rod ground beam and grouted rubble latticed revetment, which comprises an outer arch frame and an inner latticed structure, wherein the two inner latticed structures are different, the arch frames with the same outer arch frame are separated by the ground beam, the rest are covered by M7.5 grouted rubble, and the whole side slope framework is reinforced by an anchor rod; the drainage ditch is in a trapezoidal design, and a 5% lime soil cushion layer is arranged below the drainage ditch in a cushioning mode. Through the structure, the invention provides the slope protection device which is stable in structure, strong in landscape property, capable of fully playing the role of reducing the flow velocity of rainwater by the framework and fixing soil by plants, capable of effectively protecting the stability of a side slope and saving the cost, and suitable for the slope ratio of less than 1: 1 anchor rod ground beam and lattice slope protection structure for strip mine rock slope restoration.

The utility model provides an anchor rod grade beam adds rubble lattice slope protection integrated configuration that grouts, protective space includes outer bow member and interior lattice, outer bow member be semi-circular bow member, the vertical downwardly extending in semi-circular bow member both ends, interior lattice is interior angle 60/120 rhombus lattice or linear type lattice, outer bow member and interior lattice separate into a plurality of sash with protective space, fill up earthing up in the sash, form planting district.

The outer arch frame and the inner lattice are arranged in the same vertical row, the two types of inner lattice arch frames are alternately arranged along the vertical row, each vertical row of arch frames is separated by a ground beam, and meanwhile, the ground beam is provided with an anchor rod for reinforcement.

The linear lattice is made of concrete and has a thickness of 150mm, two ends of the linear lattice are connected with the downward extending part of the semicircular arch frame, the arch frame is divided into three lattices, and herbaceous plants of different varieties are planted in the three lattices.

The anchor rod comprises a guide head, a rod body and an anchor head, wherein the anchor rod is 1500-3000 mm long, and the anchor head is 30-50 mm long.

The anchor rod wall thickness 9mm, the anchor section has the hole that permeates the thick liquid, carries out pressure slip casting through the steel pipe body of rod and strengthens the anchoring power, anchor rod anchor section sets up 3 holes that permeate the thick liquid weekly, adjacent hole interval 50mm that permeates the thick liquid, the anchor rod is along inclined plane interval 4000 mm.

Comprises a drainage ditch which is trapezoidal and is padded with a 5 percent lime soil cushion layer below.

The slope surface of the turf planted in the planting area is 50mm lower than the designed slope surface, the turf is fixed by wood or bamboo piles, and the rest of the surface protection wall is covered by M7.5 grouted rubble.

The beneficial effects brought are: through the structure, the anchor rod-ground beam lattice slope protection structure for slope restoration is stable in structure and strong in landscape performance, the reduction of rainwater flow velocity of the framework and the fixation of plants to soil are fully exerted, the stability of a side slope can be effectively protected, and the cost can be saved.

Drawings

FIG. 1: stock ground beam adds grout rubble lattice bank protection integrated configuration elevation sketch map.

FIG. 2: anchor rod longitudinal section view I.

FIG. 3: anchor bar section view II.

FIG. 4: the drainage ditch structure schematic diagram.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

As shown in fig. 1 to 4, a slope protection combined structure of an anchor rod ground beam and grouted rubble lattice, which is a slope protection framework combining an arch shape, a diamond shape and a straight line shape, comprises an outer arch frame and an inner lattice, wherein the outer arch frame is a semicircular arch frame 1, and two ends of the semicircular arch frame 1 vertically extend downwards; the first internal lattice is a rhombic lattice 3 with an internal angle of 60 degrees/120 degrees and a thickness of 150 mm; the second inner lattice is a linear lattice 4 with the thickness of 150mm, and two ends of the linear lattice 4 are connected with the downward extending part of the semicircular arch frame 1; the outer arch frame and the inner lattice divide the protection space into sashes to form a planting area 2; the lower part 2 of the planting area is fully filled with hilling soil 7. The two types of inner lattices are different, the arches with the same outer arch are separated by using a ground beam, the rest are covered by M7.5 grouted rubble 6, and the whole side slope framework is reinforced by an anchor rod 5; the drainage ditch 8 is in a trapezoidal design, and a 5% lime soil cushion layer is arranged below the drainage ditch.

The anchor rod 5 consists of a guide head 5-1, a rod body 5-2 and an anchor head 5-3.

The wall thickness of the anchor rod is 9mm, slurry permeating holes 5-2-1 exist in the anchoring section in the rod body, the diameter is 6-8 mm, 3 slurry permeating holes 5-2-1 are drilled in the rod body every week, the interval between every two adjacent slurry permeating holes 5-2-1 is 50mm, and the distance between the anchor rods along the inclined plane is 4000 mm.

Example 1:

whole skeleton adopts M7.5 to grout rubble 6 and builds, and outer bow member 1 sets up at same vertical row with the equal same bow member of interior check, and the interior check bow member of two kinds is along vertical row alternative arrangement, and every vertical row of outer bow member 1 passes through the grade beam separation, sets up stock 5 on the grade beam simultaneously and consolidates, and every skeleton is 2500mm all long, and the district length 800mm is planted to the interior check of first kind rhombus, and rhombus concrete prefabricated section is 150mm thick, and the hillock 7 is buried in the check, plants the turf.

The width of the linear inner lattice is 150mm, the outer arch frame 1 is divided into three areas, different types of turf are planted on each part, each vertical row of frameworks is blocked by a ground beam, the width of the ground beam is 600mm, and the distance between the frameworks in the slope direction is 600 mm. The length of the lower side slope platform is 2000mm, the drainage ditch 8 is in a trapezoidal design and is built by M7.5 grouted rubble 6, and a 5% lime soil cushion layer 9 is arranged below the drainage ditch.

The construction of the anchor rod 5 can adopt a manual or mechanical hole forming mode, pressure grouting is carried out through the rod body 5-2, the anchor rod 5 is positioned at the ground beam, and the end 5-3 of the anchor head of the anchor rod is exposed out of the upper surface of the lattice beam.

And herbaceous plants which are suitable for local growth and have the function of fixing soil are sowed in the planting area 2.

Claims

1. The utility model provides an anchor rod grade beam adds grout rubble lattice slope protection integrated configuration which characterized in that: the protection space includes outer bow member and interior lattice, outer bow member be semi-circular bow member (1), the vertical downwardly extending in semi-circular bow member (1) both ends, interior lattice is interior angle 60/120 rhombus lattice (3) or linear type lattice (4), outer bow member and interior lattice separate into a plurality of sash with the protection space, fill up earthing up (7) in the sash, form planting district (2).

2. The anchor rod ground beam adds grout rubble lattice revetment integrated configuration of claim 1 which characterized in that: the outer arch frame and the inner lattice are arranged in the same vertical row, the two types of inner lattice arch frames are alternately arranged along the vertical row, each vertical row of arch frames is separated by a ground beam, and meanwhile, the ground beam is reinforced by an anchor rod (5).

3. The anchor rod ground beam adds grout rubble lattice revetment integrated configuration of claim 1 which characterized in that: the linear lattice (4) is made of concrete, the thickness of the linear lattice (4) is 150mm, two ends of the linear lattice (4) are connected with the downward extending part of the semicircular arch centering (1), the arch centering is divided into three lattices, and herbaceous plants of different varieties are planted in the three lattices.

4. The anchor rod ground beam adds grout rubble lattice revetment integrated configuration of claim 2 which characterized in that: the anchor rod (5) consists of a guide head (5-1), a rod body (5-2) and an anchor head (5-3), wherein the length of the anchor rod (5) is 1500-3000 mm, and the length of the anchor head (5-3) is 30-50 mm.

5. The anchor rod ground beam adds grout rubble lattice revetment integrated configuration of claim 2 or 4 characterized in that: the wall thickness of the anchor rod (5) is 9mm, the anchoring section is provided with slurry permeating holes (5-2-1), pressure grouting is carried out through the steel pipe rod body to strengthen the anchoring force, the anchoring section of the anchor rod (5) is provided with 3 slurry permeating holes (5-2-1) every week, the distance between every two adjacent slurry permeating holes (5-2-1) is 50mm, and the distance between every two adjacent slurry permeating holes (5-2-1) is 4000mm along the inclined plane.

6. The anchor rod ground beam adds grout rubble lattice revetment integrated configuration of claim 1 which characterized in that: comprises a drainage ditch (8), wherein the drainage ditch (8) is trapezoidal, and a 5% lime soil cushion layer is arranged below the drainage ditch.

7. The anchor rod ground beam adds grout rubble lattice revetment integrated configuration of claim 1 which characterized in that: the slope surface of the grass planted in the planting area (2) is 50mm lower than the designed slope surface, the grass is fixed by wood or bamboo piles, and the rest of the surface protection wall is covered by M7.5 grouted rubble (6).