CN110080282A - A kind of self-anchored type band tooth grid reinforced retaining wall structure and its reinforcement means - Google Patents

A kind of self-anchored type band tooth grid reinforced retaining wall structure and its reinforcement means Download PDF

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Publication number
CN110080282A
CN110080282A CN201910440538.7A CN201910440538A CN110080282A CN 110080282 A CN110080282 A CN 110080282A CN 201910440538 A CN201910440538 A CN 201910440538A CN 110080282 A CN110080282 A CN 110080282A
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China
Prior art keywords
tooth
shape steel
grid
steel mesh
self
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CN201910440538.7A
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Chinese (zh)
Inventor
方薇
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Changsha University of Science and Technology
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Changsha University of Science and Technology
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Priority to CN201910440538.7A priority Critical patent/CN110080282A/en
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/02Retaining or protecting walls
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/02Retaining or protecting walls
    • E02D29/0225Retaining or protecting walls comprising retention means in the backfill
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/02Retaining or protecting walls
    • E02D29/0225Retaining or protecting walls comprising retention means in the backfill
    • E02D29/0233Retaining or protecting walls comprising retention means in the backfill the retention means being anchors
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2300/00Materials
    • E02D2300/0084Geogrids

Abstract

The invention discloses a kind of self-anchored type band tooth grid reinforced retaining wall structure and its reinforcement means, band tooth grid rebar element including multiple-layer horizontal setting, band tooth grid rebar element includes L shape steel mesh and with tooth grid, the horizontal mesh reinforcement of L shape steel mesh protrudes into fill stratum, the vertical reinforcement net of L shape steel mesh is close to side slope, vertical reinforcement is held on the net to be connect by fastener with horizontally disposed band tooth grid one end, and the band tooth grid other end is fixed by short anchoring pile and fill stratum self-anchored type;Band tooth grid is equipped with multiple tooth muscle disposed in parallel, and tooth muscle is parallel with side slope, and the cross sectional shape of tooth muscle is the up-narrow and down-wide shape of rounding off.Reinforced retaining wall structural integrity of the present invention is good, and slope stability is high, saves material, cheap, wide adaptation range, easy for construction.

Description

A kind of self-anchored type band tooth grid reinforced retaining wall structure and its reinforcement means
Technical field
The invention belongs to building body technical field of structures, it is related to a kind of self-anchored type band tooth grid reinforced retaining wall structure and its adds Solid method can be applied to roadbed filling.
Background technique
Reinforced earth bulkhead is widely used in field of road, the basic principle is that passing through rubbing between filler and muscle material Power is wiped to resist part sliding force, to maintain subgrade stability.Currently used reinforced retaining wall is by shingle nail, muscle material and bankets altogether With composition, other support forms such as anchor pole can also be aided with.
Existing reinforced retaining wall usually has the disadvantage that
1, traditional TGXG is typically only capable to resist sliding force, but its working mechanism with the interface friction force that bankets by it Determine that the drag that it is capable of providing is extremely limited, it is possible to need in addition to add antiskid facility.
2, the connecting portion of common L shape reinforcing bar panel and muscle material is generally located on panel bottom end rear, this connection side Formula is easy to be destroyed by the concealment for compaction in layers operation of banketing so as to cause fracture.
3, the barricade metope after completing usually is covered by cement panel, not only influences beauty, and the ecological value does not have yet It is excavated to abundant.
Therefore, it is necessary to design the novel reinforced structure of one kind to make up drawbacks described above.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of self-anchored type band tooth grid reinforced retaining wall structure, good integrity, side Slope stability is high, saves material, cheap, wide adaptation range, easy for construction, solves problems of the prior art.
A kind of reinforcement means it is another object of the invention to provide self-anchored type with tooth grid reinforced retaining wall structure.
The technical scheme adopted by the invention is that a kind of self-anchored type band tooth grid reinforced retaining wall structure, including multiple-layer horizontal The band tooth grid rebar element of setting, band tooth grid rebar element includes L shape steel mesh and with tooth grid, the water of L shape steel mesh Flat steel mesh protrudes into fill stratum, and the vertical reinforcement net of L shape steel mesh is close to side slope, and vertical reinforcement is held on the net through fastener and level Band tooth grid one end of setting connects, and the band tooth grid other end is fixed by short anchoring pile and fill stratum self-anchored type;On band tooth grid Equipped with multiple tooth muscle disposed in parallel, tooth muscle is parallel with side slope, and the cross sectional shape of tooth muscle is the up-narrow and down-wide shape of rounding off.
Further, the ratio between the tooth muscle spacing and tooth muscle height are not less than 20.
Further, the adjacent teeth muscle spacing is not less than 1m, and tooth muscle height is not less than 5cm.
Further, the band tooth grid is connect with short anchoring pile, bending section of the top setting of short anchoring pile backwards to side slope, band Tooth grid is placed in inside bending section, and the bottom of short anchoring pile is sharp portion, protrudes into fill stratum.
Further, the angular range of the vertical reinforcement net of the L shape steel mesh and horizontal mesh reinforcement is 45 ° -90 °.
Further, vertical range of the adjacent two layers with tooth grid rebar element is 50-60cm.
Further, the fastener includes annular solid, and one end of annular solid is equipped with the first arc sections, the other end of annular solid Equipped with the second arc sections, Elastic buckle, one end of Elastic buckle and the second circle are equipped between the first arc sections and the second arc sections Arc portion is connected by torsional spring, and the other end of Elastic buckle is contacted with the inner wall of the first arc sections.
Further, geotextiles, the vertical reinforcement net and geotextiles of L shape steel mesh are equipped on the inside of the L shape steel mesh Between be equipped with and plant raw pad.
A kind of reinforcement means of the self-anchored type with tooth grid reinforced retaining wall structure is kept off using above-mentioned self-anchored type band tooth grid reinforcement Wall construction specifically follows the steps below:
The horizontal mesh reinforcement of S1, L shape steel mesh is embedded to ground, and the vertical reinforcement net of L shape steel mesh is close to slope table;
S2, fills the soil body inside L shape steel mesh, and leveling, compacting form fill stratum;It will be placed in and banket with tooth grizzly level On layer, the upper end of the vertical reinforcement net of L shape steel mesh is connect by fastener with tooth grid one end, puller strap tooth grid, band tooth The other end of grid is fixed by short anchoring pile and fill stratum self-anchored type, carries out compacting operation after the 20 ~ 30cm soil layer of tooth muscle upper berth, and one Layer construction finishes;
S3 separately takes L shape steel mesh to be placed on the native face of fill stratum, repeats step S1-S2, carries out next layer of construction, so by Layer promotes, until all construction is completed.
Further, in the step S2, before filling the soil body inside L shape steel mesh, to the bar list of L shape steel mesh Face carries out preservative treatment, is equipped with geotextiles on the inside of L shape steel mesh, sets between the vertical reinforcement net and geotextiles of L shape steel mesh Set the raw pad of plant.
The invention has the advantages that having the advantage that
1, self-anchored type of the invention is formed with the band tooth grid rebar element superposition that tooth grid reinforced retaining wall is arranged by multiple-layer horizontal, Each layer is all a self-anchored type structure, and successively filling compacting makes tooth muscle withdrawal resistance be fully used, and greatly enhances Slope stability;Panel is made using the L shape steel mesh welded with tooth grid rebar element, using band tooth grid as reinforced bands, by Power situation is: the lateral pressure of fill stratum is first transmitted to L shape steel mesh, then is transmitted to band tooth by the vertical reinforcement net of L shape steel mesh Grid keeps flat by the drag that the mutual frictional force with tooth grid and the interlayer that bankets, the drag of tooth muscle and short anchoring pile provide Weighing apparatus considerably increases slope stability, and the soil body lateral pressure in general grille earth structure relies solely on grid and bankets The mutual frictional force of interlayer balances, therefore withdrawal resistance substantially rises to.
2, band tooth grid is equipped with multiple tooth muscle disposed in parallel, and tooth muscle is parallel with side slope, and the cross sectional shape of tooth muscle is circle The up-narrow and down-wide shape crossed is slipped over, tooth muscle can provide the positive drag much larger than interface friction force, and band tooth grid has been significantly greatly increased Breakout capacity, and then enhance soil body stability.Compared with sharp shape, effective impedance area when anti-pulling is big, fills out Soil rolls or when muscle material drawing is less likely to occur to be broken, and improves the bonding strength to banket between muscle material, so enhance plus The stability of muscle structure.
3, self-anchored type of the invention band tooth grid reinforced retaining wall, because lateral pressure when soil deformation can be by band tooth grid Balance is kept with the drag that the mutual frictional force for the interlayer that bankets, the drag of tooth muscle and short anchoring pile provide, it can preferably control plane Wall lateral displacement, so that intensity is much larger than common reinforced earth bulkhead;And compared with Gravity Retaining Wall, reduce bulky concrete Wall self weight, thus it is lower to ground requirement for bearing capacity, it is applicable to weak soil, wide adaptation range.In addition, because side slope is not adopted With close material such as concrete etc., therefore without drainage hole is added, easy for construction, maintenance is simple;But the steel mesh used Material is saved in face draining, and draining is unobstructed, can set tape planting on reinforcing bar wire side upper berth, take root, can effectively prevent convenient for plant growth Only soil erosion, environmental protection are beautiful.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the embodiment of the present invention.
Fig. 2 is the structural schematic diagram with tooth grid rebar element in the embodiment of the present invention.
Fig. 3 is the structural schematic diagram with tooth grid in the embodiment of the present invention.
Fig. 4 is the structural schematic diagram of fastener.
Fig. 5 is the pull-out curve figure with tooth grid monodentate.
Fig. 6 is the working mechanism figure with tooth grid monodentate.
Fig. 7 is the relation curve of the ratio between tooth muscle spacing and tooth muscle height with anti-pulling stress.
In figure, 1. band tooth grids, 1-1. tooth muscle, 2.L shape steel mesh, 3. plant raw pad, 4. geotextiles, 5. fasteners, 51. annulars Body, 52. first arc sections, 53. second arc sections, 54. Elastic buckles, 6. short anchoring piles, 7. fill stratums, 8. side slopes.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described, Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all Belong to the scope of protection of the invention.
Self-anchored type band tooth grid reinforced retaining wall structure, as shown in Figure 1-3, include the band tooth grid reinforcement of multiple-layer horizontal setting Unit, band tooth grid rebar element include L shape steel mesh 2 and with tooth grid 1, and L shape steel mesh 2 includes horizontal mesh reinforcement and vertical Steel mesh, vertical reinforcement net is vertical or inclination, the horizontal mesh reinforcement of L shape steel mesh 2 protrude into fill stratum 7, L shape steel mesh 2 Vertical reinforcement net is close to side slope 8, is equipped with geotextiles 4 on the inside of L shape steel mesh 2, i.e. geotextiles 4 are laid in L shape, L shape steel mesh 2 Vertical reinforcement net and geotextiles 4 between be equipped with and plant raw pad 3, when for preventing construction the soil body leak out, soil erosion after molding;L The vertical reinforcement of shape steel mesh 2 is held on the net to be connect by fastener 5 with horizontally disposed 1 one end of band tooth grid, convenient for observation and dimension The connection status of protecting band tooth grid 1 and vertical reinforcement net, band 1 other end of tooth grid are solid by short anchoring pile 6 and 7 self-anchored type of fill stratum It is fixed.
Band tooth grid 1 is connect with short anchoring pile 6, and bending section is arranged in the top of short anchoring pile 6, and band tooth grid 1 is placed in bending section Portion, the curved direction of bending section is backwards to side slope 8, it is ensured that band tooth grid 1 will not fall off from short 6 top of anchoring pile;The bottom of short anchoring pile 6 For sharp portion, fill stratum 7 is protruded into;Since this anchoring is actually generation in structural body itself (Study on Reinforced Embankments Using) inside, therefore For the integral strength of each layer of reinforcing body can be further enhanced from anchor from anchor, so that final embankment stability substantially improves. Short anchoring pile 6 is self-anchored type structure, also can be replaced roadbed overall with to pull-type grid supporting construction, using to pulling structure, band tooth Grid 1 runs through roadbed;Short anchoring pile 6 can also be using other substitutes such as soil nailings.
The effect of fastener 5 is linked together by vertical reinforcement net and with tooth grid 1, the common stress of compatible deformation;Such as Fig. 4 institute Show, fastener 5 includes annular solid 51, and one end of annular solid 51 is equipped with the first arc sections 52, and the other end of annular solid 51 is equipped with second Arc sections 53 are equipped with Elastic buckle 54, one end of Elastic buckle 54 and second between first arc sections 52 and the second arc sections 53 Arc sections 53 are connected by torsional spring, and the other end of Elastic buckle 54 is contacted with the inner wall of the first arc sections 52;Structure is simple, Yi An Dress, save the cost.
Band tooth grid 1 is equipped with multiple tooth muscle 1-1 disposed in parallel, tooth muscle 1-1 and side slope 8(, that is, side slope 8 trend) it is flat Row, the cross sectional shape of tooth muscle 1-1 are the up-narrow and down-wide font of rounding off, are in "Ji" type, in the effect one of this paper, tooth muscle 1- 1 can provide the positive drag much larger than interface friction force, and experimental data as seen in figs. 5-6, has been significantly greatly increased with tooth grid 1 Breakout capacity, and then enhance soil body stability.Effect two, tooth muscle 1-1 are set to band 1 upper surface of tooth grid, the upper berth tooth muscle 1-1 20 Carry out compacting operation after ~ 30cm soil layer, and the tooth end muscle 1-1 is circular shape, compared with sharp shape, having when anti-pulling It is bigger to imitate impedance area, bankets and rolls or when muscle material drawing is less likely to occur to be broken, improve soil-muscle material bonding strength and knot Structure stability.
Adjacent teeth muscle 1-1 spacing is not less than 1m, and tooth muscle 1-1 height is not less than 5cm, tooth muscle 1-1 spacing and tooth muscle 1-1 height The ratio between be not less than 20 so that the withdrawal resistance of each tooth muscle 1-1 can sufficiently be carried out;The too big anti-pulling energy of adjacent teeth muscle 1-1 spacing Power is poor, and adjacent teeth muscle 1-1 spacing is too small, at high cost, uneconomical.With the ratio between tooth muscle 1-1 spacing and height (S/h) for abscissa, Drawing stress p is abscissa, the drawing stress curve under different normal stresses with tooth grid 1 is made, as shown in fig. 7, tooth muscle 1-1 The ratio between spacing and tooth muscle 1-1 height are not less than 20, and anti-pulling ability is best.
The vertical interval of adjacent belts tooth grid 1 be 50-60cm, fill out paving operation in order to be layered, lower layer band tooth grid 1 with The horizontal mesh reinforcement of the L shape steel mesh 2 on upper layer is in close contact.
Reinforcement means of the self-anchored type with tooth grid reinforced retaining wall structure, specifically follows the steps below:
S1 welds L shape steel mesh 2, and the horizontal mesh reinforcement of L shape steel mesh 2 is embedded to ground, and the vertical reinforcement net of L shape steel mesh 2 is tight Slope table is pasted, the size and angle of L shape steel mesh 2 are determined according to requirement of engineering, but size should not be too big, unsuitable too small, the L of angle 2 size of shape steel mesh is very much not easily installed very much, and is easy to happen buckling deformation and is caused not enough beautiful, and angle is too small then inconvenient It banketing operation, the vertical reinforcement net of L shape steel mesh 2 and the angular range of horizontal mesh reinforcement are 45 ° -90 °, allow side slope 8 steeper, So shrinkable slope foot reduces embankment land occupation;
The rebar surface of S2, L shape steel mesh 2 carries out preservative treatment, is equipped with geotextiles 4, L shape steel mesh on the inside of L shape steel mesh 2 Raw pad 3 is planted in setting between 2 vertical reinforcement net and geotextiles 4, is leaked out with preventing from banketing being scattered;It is filled inside L shape steel mesh 2 The soil body, leveling, compacting, forms fill stratum 7;It should not be rolled using high-power when banket at L shape steel mesh 2 operation Equipment will be placed horizontally on fill stratum 7 with tooth grid 1, and the upper end of the vertical reinforcement net of L shape steel mesh 2 passes through fastener 5 and band The connection of 1 one end of tooth grid, convenient for observation and maintenance, puller strap tooth grid 1, the other end with tooth grid 1 passes through short anchoring pile 6 and fills out 7 self-anchored type of soil layer is fixed, and compacting operation is carried out after the 20 ~ 30cm soil layer of the upper berth tooth muscle 1-1, and one layer of construction finishes;
S3 separately takes L shape steel mesh 2 to be placed on the native face of fill stratum 7, repeats step S1-S2, carries out next layer of construction, so It successively promotes, until all construction is completed;Wherein anchorage depth of the bar diameter of L shape steel mesh 2, short anchoring pile 6 etc. is according to work Journey experience is selected.
With tooth grid rebar element with the L shape steel mesh 2 welded make panel, with band tooth grid 1 for reinforced bands, stress feelings Condition is: the lateral pressure of fill stratum 7 is first transmitted to L shape steel mesh 2, then is transmitted to band tooth lattice by the vertical reinforcement net of L shape steel mesh 2 Grid 1 are protected by the drag that the drag with mutual frictional force, tooth muscle 1-1 between tooth grid 1 and fill stratum 7 and short anchoring pile 6 provide Maintain an equal level weighing apparatus, considerably increases 8 stability of side slope, and the soil body lateral pressure in general grille earth structure rely solely on grid and Mutual frictional force between fill stratum 7 balances, therefore withdrawal resistance substantially rises to.Tooth muscle 1-1 with tooth grid 1 and grille plane are one It is body formed, it also can be replaced assembled under the premise of the two coupling stiffness can be guaranteed.
The present invention reduces bulky concrete wall self weight compared with Gravity Retaining Wall, therefore to ground requirement for bearing capacity It is lower, it is applicable to weak soil.But at the same time, as a kind of reinforced earth bulkhead, its intensity is kept off much larger than common reinforced earth Wall, because lateral pressure when soil deformation can rely on the drag with mutual frictional force, tooth muscle 1-1 between tooth grid 1 and fill stratum 7 And the drag that short anchoring pile 6 provides keeps balance.Face wall lateral displacement can be preferably controlled, because side slope 8 is not using closely knit Material such as concrete etc. (therefore without add drainage hole), but reinforcing bar wire side and the tape planting draining used, save material, Drain it is unobstructed, and plant growth take root after can effectively prevent soil erosion.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the scope of the present invention.It is all Any modification, equivalent replacement, improvement and so within the spirit and principles in the present invention, are all contained in protection scope of the present invention It is interior.

Claims (10)

1. a kind of self-anchored type band tooth grid reinforced retaining wall structure, which is characterized in that the band tooth grid including multiple-layer horizontal setting adds Muscle unit, band tooth grid rebar element includes L shape steel mesh (2) and with tooth grid (1), the horizontal mesh reinforcement of L shape steel mesh (2) Protrude into fill stratum (7), the vertical reinforcement net of L shape steel mesh (2) is close to side slope (8), vertical reinforcement hold on the net through fastener (5) and The connection of horizontally disposed band tooth grid (1) one end, band tooth grid (1) other end pass through short anchoring pile (6) and fill stratum (7) self-anchored type It is fixed;Band tooth grid (1) is equipped with multiple tooth muscle (1-1) disposed in parallel, and tooth muscle (1-1) is parallel with side slope (8), tooth muscle (1- 1) cross sectional shape is the up-narrow and down-wide shape of rounding off.
2. a kind of self-anchored type band tooth grid reinforced retaining wall structure according to claim 1, which is characterized in that the tooth muscle The ratio between (1-1) spacing and tooth muscle (1-1) height are not less than 20.
3. a kind of self-anchored type band tooth grid reinforced retaining wall structure according to claim 2, which is characterized in that the adjacent teeth Muscle (1-1) spacing is not less than 1m, and tooth muscle (1-1) is highly not less than 5cm.
4. a kind of self-anchored type band tooth grid reinforced retaining wall structure according to claim 1, which is characterized in that the band tooth lattice Grid (1) are connect with short anchoring pile (6), and backwards to the bending section of side slope (8), band tooth grid (1) is placed in curved for the top setting of short anchoring pile (6) Inside tune, the bottom of short anchoring pile (6) is sharp portion, protrudes into fill stratum (7).
5. a kind of self-anchored type band tooth grid reinforced retaining wall structure according to claim 1, which is characterized in that the L shape steel The vertical reinforcement net of muscle net (2) and the angular range of horizontal mesh reinforcement are 45 ° -90 °.
6. a kind of self-anchored type band tooth grid reinforced retaining wall structure according to claim 1, which is characterized in that described adjacent two Vertical range of the layer with tooth grid rebar element is 50-60cm.
7. a kind of self-anchored type band tooth grid reinforced retaining wall structure according to claim 1, which is characterized in that the fastener It (5) include annular solid (51), one end of annular solid (51) is equipped with the first arc sections (52), and the other end of annular solid (51) is equipped with the Two arc sections (53) are equipped with Elastic buckle (54) between the first arc sections (52) and the second arc sections (53), Elastic buckle (54) One end connect with the second arc sections (53) by torsional spring, the other end of Elastic buckle (54) and the inner wall of the first arc sections (52) Contact.
8. a kind of self-anchored type band tooth grid reinforced retaining wall structure according to claim 1, which is characterized in that the L shape steel It is equipped with geotextiles (4) on the inside of muscle net (2), is equipped between the vertical reinforcement net and geotextiles (4) of L shape steel mesh (2) and plants raw pad (3).
9. a kind of reinforcement means of self-anchored type with tooth grid reinforced retaining wall structure, which is characterized in that appointed using such as claim 1-8 The band tooth grid reinforced retaining wall structure of self-anchored type described in one, specifically follows the steps below:
The horizontal mesh reinforcement of S1, L shape steel mesh (2) is embedded to ground, and the vertical reinforcement net of L shape steel mesh (2) is close to slope table;
S2, fills the soil body inside L shape steel mesh (2), and leveling, compacting are formed fill stratum (7);It will be put with tooth grid (1) level It is placed on fill stratum (7), the upper end of the vertical reinforcement net of L shape steel mesh (2) is connected by fastener (5) with tooth grid (1) one end It connects, puller strap tooth grid (1), the other end with tooth grid (1) is fixed by short anchoring pile (6) and fill stratum (7) self-anchored type, tooth muscle Compacting operation is carried out after the 20 ~ 30cm soil layer of the upper berth (1-1), one layer of construction finishes;
S3 separately takes L shape steel mesh (2) to be placed on the native face of fill stratum (7), repeats step S1-S2, carries out next layer of construction, It so successively promotes, until all construction is completed.
10. a kind of reinforcement means of the self-anchored type according to claim 9 with tooth grid reinforced retaining wall structure, feature exist In before filling the soil body inside the L shape steel mesh (2), preventing the rebar surface of L shape steel mesh (2) in the step S2 Corruption processing, is equipped with geotextiles (4) on the inside of L shape steel mesh (2), the vertical reinforcement net and geotextiles (4) of L shape steel mesh (2) it Between setting plant raw pad (3).
CN201910440538.7A 2019-05-24 2019-05-24 A kind of self-anchored type band tooth grid reinforced retaining wall structure and its reinforcement means Pending CN110080282A (en)

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CN112281638A (en) * 2020-11-04 2021-01-29 武汉大学 Two-stage reinforced earth abutment with closely-arranged ribs and construction method thereof

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CN111218871A (en) * 2020-02-26 2020-06-02 中铁二院工程集团有限责任公司 Design method of friction stress type embankment pile plate wall structure
CN112281638A (en) * 2020-11-04 2021-01-29 武汉大学 Two-stage reinforced earth abutment with closely-arranged ribs and construction method thereof
CN112281638B (en) * 2020-11-04 2022-03-01 武汉大学 Two-stage reinforced earth abutment with closely-arranged ribs and construction method thereof

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